/* roulang page: index */
:root{
  --brand:#FF5C28;
  --brand-deep:#E8420F;
  --brand-soft:#FFEDE5;
  --grad:linear-gradient(120deg,#FF8A3D 0%,#FF3D6E 100%);
  --cyan:#12D6BE;
  --gold:#FFC53D;
  --ink-900:#140F1C;
  --ink-800:#1E1730;
  --ink-line:rgba(255,255,255,.10);
  --ink-text:#F3F1F8;
  --ink-sub:#B7B0C8;
  --page:#F7F6FB;
  --card:#FFFFFF;
  --text:#1A1420;
  --text-sub:#5A5468;
  --line:#E7E4F0;
  --radius-lg:20px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 8px 24px rgba(26,12,48,.06);
  --shadow-hover:0 18px 40px rgba(26,12,48,.12);
  --glow:0 10px 26px rgba(255,92,40,.28);
  --gap:24px;
  --sec-space:84px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:var(--page);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(255,92,40,.45);outline-offset:2px;border-radius:8px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(20,15,28,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:rgba(20,15,28,.98);
  border-bottom-color:var(--ink-line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .3s ease}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--glow);
}
.brand-mark svg{width:20px;height:20px;display:block}
.brand-text{
  font-size:19px;font-weight:800;letter-spacing:.5px;color:#fff;white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:12px;flex:1 1 auto}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:40px;padding:0 14px;
  font-size:15px;color:var(--ink-sub);
  border-radius:10px;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link.is-active{color:#fff;font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad);
}
.header-side{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.status-tag{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:13px;color:#0B2B27;background:var(--cyan);font-weight:600;
}
.status-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:#0B2B27;opacity:.6}
.countdown-chip{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--radius-pill);
  border:1px solid var(--ink-line);background:rgba(255,255,255,.05);
  color:var(--ink-sub);font-size:13px;
}
.countdown-chip b{color:var(--gold);font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:.5px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--ink-line);background:rgba(255,255,255,.05);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:transform .25s ease,opacity .25s ease}
.nav-drawer-cta{display:none}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:16px;font-weight:600;letter-spacing:.3px;
  transition:transform .25s ease,box-shadow .25s ease,filter .25s ease,background .25s ease,color .25s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--glow)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,61,110,.34)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.45)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand-deep);border:1px solid var(--line)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink-900);color:var(--ink-text)}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.55;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,15,28,.96) 0%,rgba(20,15,28,.86) 42%,rgba(20,15,28,.42) 72%,rgba(255,61,110,.24) 100%);
}
.hero-inner{position:relative;z-index:2;padding:88px 32px 92px;max-width:1200px}
.hero-badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  min-height:34px;padding:0 16px;border-radius:var(--radius-pill);
  font-size:14px;border:1px solid var(--ink-line);background:rgba(255,255,255,.06);color:var(--ink-text);
}
.pill-live{border-color:rgba(18,214,190,.5);color:#9DF6E9}
.pill-live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(18,214,190,.18)}
.pill-time b{color:var(--gold);font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:.6px}
.hero h1{
  font-size:52px;line-height:1.16;font-weight:800;letter-spacing:-.5px;
  max-width:820px;margin-bottom:20px;
}
.hero h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;line-height:1.8;color:var(--ink-sub);max-width:640px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-stats{margin:0}
.hero-stats .cell{margin-bottom:16px}
.stat{
  height:100%;
  padding:18px 20px;border-radius:var(--radius-sm);
  border:1px solid var(--ink-line);background:rgba(255,255,255,.055);
  backdrop-filter:blur(6px);
}
.stat b{display:block;font-size:26px;line-height:1.15;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--ink-sub)}
.stat.is-accent b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Sections ---------- */
.section{padding:var(--sec-space) 0}
.section-light{background:var(--page)}
.section-white{background:#fff}
.section-dark{background:var(--ink-900);color:var(--ink-text)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1.4px;color:var(--brand-deep);
  text-transform:uppercase;margin-bottom:12px;
}
.section-head .kicker::before{content:"";width:8px;height:8px;background:var(--grad);transform:rotate(45deg);border-radius:2px}
.section-dark .kicker{color:var(--gold)}
.section-title{
  position:relative;font-size:32px;line-height:1.3;font-weight:700;
  padding-left:16px;margin-bottom:14px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad);
}
.section-desc{font-size:15px;line-height:1.85;color:var(--text-sub);max-width:640px}
.section-dark .section-desc{color:var(--ink-sub)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);position:relative}
.step{
  position:relative;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 22px;box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand-soft)}
.step-no{
  width:42px;height:42px;border-radius:12px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;font-variant-numeric:tabular-nums;margin-bottom:16px;
  box-shadow:0 8px 18px rgba(255,92,40,.24);
}
.step h3{font-size:19px;font-weight:600;margin-bottom:10px}
.step p{font-size:14.5px;line-height:1.8;color:var(--text-sub)}

/* ---------- Reward cards ---------- */
.reward-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.reward-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease;
}
.reward-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.reward-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft)}
.reward-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.reward-card:hover .reward-media img{transform:scale(1.04)}
.rare{
  position:absolute;top:12px;left:12px;
  height:26px;padding:0 10px;border-radius:8px;
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:700;color:#fff;
}
.rare-gold{background:var(--gold);color:#3B2A00}
.rare-cyan{background:var(--cyan);color:#0B2B27}
.rare-hot{background:var(--grad)}
.reward-body{padding:20px}
.reward-body h3{font-size:18px;font-weight:600;margin-bottom:8px}
.reward-body .cond{font-size:14px;line-height:1.75;color:var(--text-sub);margin-bottom:14px}
.reward-more{
  font-size:14px;font-weight:600;color:var(--brand-deep);
  opacity:0;transform:translateY(4px);
  transition:opacity .25s ease,transform .25s ease;
}
.reward-card:hover .reward-more{opacity:1;transform:translateY(0)}

/* ---------- Progress / milestones ---------- */
.progress-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow)}
.progress-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:14px;margin-bottom:20px}
.progress-head h3{font-size:21px;font-weight:600}
.progress-head .num{font-size:30px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.progress-track{
  height:12px;border-radius:var(--radius-pill);
  background:var(--brand-soft);overflow:hidden;margin-bottom:28px;
}
.progress-fill{
  height:100%;border-radius:var(--radius-pill);background:var(--grad);
  transition:width .6s ease;
}
.milestones{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.milestone{
  border-radius:var(--radius-sm);border:1px dashed var(--line);
  padding:16px;background:#FCFBFE;
}
.milestone .stage{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;
  border-radius:var(--radius-pill);font-size:13px;font-weight:600;margin-bottom:12px;
}
.stage-done{background:var(--cyan);color:#0B2B27}
.stage-doing{background:var(--brand-soft);color:var(--brand-deep);border:1px solid rgba(255,92,40,.35)}
.stage-todo{background:#F1EFF7;color:var(--text-sub);border:1px solid var(--line)}
.milestone .name{font-size:15px;font-weight:600;margin-bottom:6px}
.milestone .pct{font-size:13px;color:var(--text-sub);font-variant-numeric:tabular-nums}

/* ---------- Post list ---------- */
.post-lead{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);margin-bottom:var(--gap);
  transition:transform .3s ease,box-shadow .3s ease;
}
.post-lead:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.post-lead-link{display:grid;grid-template-columns:40% 1fr;align-items:stretch}
.post-cover{position:relative;overflow:hidden;background:var(--brand-soft)}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-lead:hover .post-cover img{transform:scale(1.04)}
.post-cover-lead{min-height:280px}
.cat-tag{
  position:absolute;top:14px;left:14px;
  height:28px;padding:0 12px;border-radius:var(--radius-sm);
  display:inline-flex;align-items:center;
  font-size:12.5px;font-weight:600;color:#fff;background:var(--grad);
}
.post-body{padding:30px 32px;display:flex;flex-direction:column;justify-content:center;gap:14px}
.post-title{font-size:24px;line-height:1.42;font-weight:600}
.post-lead:hover .post-title{color:var(--brand-deep)}
.post-summary{font-size:15px;line-height:1.8;color:var(--text-sub)}
.post-meta{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-sub)}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.post-grid .cell{margin-bottom:var(--gap)}
.post-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.post-card .post-cover{aspect-ratio:16/9}
.post-card .post-body{padding:20px;gap:10px;justify-content:flex-start}
.post-card .post-title{
  font-size:17px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover .post-title{color:var(--brand-deep)}
.post-card .post-summary{
  font-size:14px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.empty-state{
  min-height:220px;border:1px dashed var(--line);border-radius:var(--radius-lg);
  background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  color:var(--text-sub);font-size:15px;
}
.empty-state .empty-mark{
  width:56px;height:56px;border-radius:16px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;
}
.empty-state .empty-mark svg{width:26px;height:26px}

/* ---------- Category band ---------- */
.cat-band{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap)}
.cat-card{
  display:block;position:relative;overflow:hidden;
  border-radius:var(--radius-lg);border:1px solid var(--line);background:#fff;
  box-shadow:var(--shadow);padding:30px;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.cat-card:nth-child(even){transform:translateY(22px)}
.cat-card:hover{box-shadow:var(--shadow-hover);border-color:var(--brand-soft)}
.cat-card:nth-child(even):hover{transform:translateY(18px)}
.cat-card .cat-index{
  font-size:14px;font-weight:800;letter-spacing:1px;color:var(--brand-deep);
  font-variant-numeric:tabular-nums;margin-bottom:14px;display:block;
}
.cat-card h3{font-size:22px;font-weight:700;margin-bottom:10px}
.cat-card p{font-size:14.5px;line-height:1.8;color:var(--text-sub);margin-bottom:18px}
.cat-card .cat-link{font-size:14.5px;font-weight:600;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px}
.cat-card:hover .cat-link{gap:10px}
.cat-deco{
  position:absolute;right:-40px;bottom:-40px;width:140px;height:140px;border-radius:50%;
  background:var(--grad);opacity:.08;
}

/* ---------- Evidence ---------- */
.evidence-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.evidence-list{display:grid;gap:16px}
.evidence-item{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow);
}
.evidence-item .badge-num{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;color:#fff;background:var(--grad);
  font-variant-numeric:tabular-nums;
}
.evidence-item h4{font-size:17px;font-weight:600;margin-bottom:6px}
.evidence-item p{font-size:14.5px;line-height:1.8;color:var(--text-sub)}
.evidence-media{
  position:relative;aspect-ratio:4/3;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-hover);
}
.evidence-media img{width:100%;height:100%;object-fit:cover}
.evidence-media .media-tag{
  position:absolute;left:18px;bottom:18px;
  height:34px;padding:0 16px;border-radius:var(--radius-pill);
  display:inline-flex;align-items:center;
  background:rgba(20,15,28,.78);color:#fff;font-size:13.5px;backdrop-filter:blur(6px);
}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start}
.faq .accordion{border:0;background:transparent;margin:0}
.faq .accordion-item{
  border:0;border-radius:16px;background:#fff;margin-bottom:12px;
  box-shadow:var(--shadow);overflow:hidden;
  transition:box-shadow .25s ease;
}
.faq .accordion-item:hover{box-shadow:var(--shadow-hover)}
.faq .accordion-title{
  position:relative;border:0;background:transparent;padding:20px 58px 20px 22px;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq .accordion-title::before{
  content:"";position:absolute;right:22px;top:50%;
  width:14px;height:14px;margin:0;transform:translateY(-50%);
  background:var(--grad);
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
  transition:transform .25s ease;
  font-size:0;
}
.faq .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(135deg)}
.faq .accordion-content{
  border:0;background:#FCFBFE;padding:0 22px 20px;color:var(--text-sub);font-size:15px;line-height:1.9;
}
.faq .accordion-content p{margin:0}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad);
  border-radius:24px;
  padding:52px 48px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  box-shadow:0 22px 50px rgba(255,61,110,.28);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-band h2{font-size:28px;font-weight:800;color:#fff;margin-bottom:10px;position:relative;z-index:2}
.cta-band p{font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.92);max-width:560px;position:relative;z-index:2}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}
.btn-white{background:#fff;color:var(--brand-deep)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.18)}
.btn-line{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}
.btn-line:hover{border-color:#fff;transform:translateY(-2px)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900);color:var(--ink-sub);padding-top:72px;border-top:1px solid var(--ink-line)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14.5px;line-height:1.9;max-width:320px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.4px}
.footer-col a,.footer-col span{display:block;font-size:14.5px;line-height:2.1;color:var(--ink-sub);transition:color .2s ease}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
  border-top:1px solid var(--ink-line);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  font-size:13.5px;color:rgba(183,176,200,.78);
}
.footer-bottom a:hover{color:var(--gold)}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .hero h1{font-size:44px}
}
@media (max-width:1023px){
  :root{--sec-space:64px}
  .container{padding:0 24px}
  .hero-inner{padding:64px 24px 68px}
  .hero h1{font-size:38px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .reward-grid{grid-template-columns:repeat(2,1fr)}
  .milestones{grid-template-columns:repeat(2,1fr)}
  .evidence-grid{grid-template-columns:1fr;gap:32px}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .post-lead-link{grid-template-columns:1fr}
  .post-cover-lead{min-height:220px;aspect-ratio:16/9}
  .cat-card:nth-child(even){transform:none}
  .cat-card:nth-child(even):hover{transform:translateY(-4px)}
}
@media (max-width:767px){
  :root{--sec-space:52px;--gap:16px}
  body{font-size:15.5px}
  .container{padding:0 16px}
  .header-inner{height:60px;gap:10px}
  .main-nav{
    position:fixed;left:0;right:0;top:60px;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#160F22;padding:16px 16px 24px;
    margin-left:0;overflow-y:auto;
    transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .25s ease,transform .25s ease,visibility .25s;
    z-index:90;
  }
  body.nav-open .main-nav{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
  .nav-link{
    height:56px;padding:0 12px;font-size:17px;color:#EFECF6;border-bottom:1px solid var(--ink-line);border-radius:0;
  }
  .nav-link.is-active::after{display:none}
  .nav-link.is-active{color:var(--gold)}
  .nav-drawer-cta{display:flex;margin-top:20px}
  .nav-drawer-cta .btn{width:100%}
  .nav-toggle{display:flex}
  .countdown-chip,.status-tag{display:none}
  .hero-inner{padding:48px 16px 52px}
  .hero h1{font-size:28px;line-height:1.34}
  .hero-sub{font-size:15.5px;margin-bottom:26px}
  .hero-actions{margin-bottom:30px}
  .hero-actions .btn{width:100%}
  .stat b{font-size:22px}
  .section-title{font-size:24px}
  .section-head{margin-bottom:30px}
  .steps{grid-template-columns:1fr}
  .reward-grid{grid-template-columns:1fr}
  .milestones{grid-template-columns:1fr}
  .cat-band{grid-template-columns:1fr}
  .cat-card{padding:24px}
  .progress-block{padding:22px}
  .post-body{padding:20px}
  .post-title{font-size:19px}
  .cta-band{padding:32px 22px;border-radius:20px}
  .cta-band h2{font-size:22px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .btn{min-height:48px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --brand:#FF5C28;
  --brand-deep:#E8420F;
  --brand-mist:#FFEDE5;
  --grad:linear-gradient(120deg,#FF8A3D 0%,#FF3D6E 100%);
  --cyan:#12D6BE;
  --gold:#FFC53D;
  --dark:#140F1C;
  --panel:#1E1730;
  --line-dark:rgba(255,255,255,.10);
  --text-dark:#F3F1F8;
  --text-dark-2:#B7B0C8;
  --page:#F7F6FB;
  --card:#FFFFFF;
  --ink:#1A1420;
  --ink-2:#5A5468;
  --ink-3:#8E88A0;
  --line:#E7E4F0;
  --r-lg:20px;
  --r-sm:12px;
  --sh:0 8px 24px rgba(26,12,48,.06);
  --sh-hover:0 18px 40px rgba(26,12,48,.12);
  --maxw:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
a:hover{color:inherit}
button{font:inherit;cursor:pointer}
p{margin:0}
ul,ol{margin:0}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(20,15,28,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-dark);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{background:rgba(20,15,28,.97);box-shadow:0 10px 30px rgba(0,0,0,.32)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height .3s ease}
.site-header.is-scrolled .header-inner{height:60px}

.brand{display:inline-flex;align-items:center;gap:10px;color:#fff}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:10px;
  background:var(--grad);display:grid;place-items:center;
  box-shadow:0 8px 18px rgba(255,92,40,.32);
}
.brand-mark svg{width:20px;height:20px;display:block}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.5px;color:#fff}

.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 12px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--text-dark-2);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link.is-active{color:#fff;font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--grad);
}
.nav-drawer-cta{display:none}

.header-side{display:flex;align-items:center;gap:12px}
.status-tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;color:var(--cyan);
  border:1px solid rgba(18,214,190,.45);background:rgba(18,214,190,.10);
}
.status-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan)}
.countdown-chip{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  font-size:13px;color:var(--text-dark-2);border:1px solid var(--line-dark);background:rgba(255,255,255,.05);
}
.countdown-chip b{color:var(--gold);font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.5px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(255,92,40,.28)}
.btn-primary:hover{transform:translateY(-1px);color:#fff;box-shadow:0 14px 32px rgba(255,92,40,.42);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--sh)}
.btn-light{background:#fff;color:var(--brand-deep);box-shadow:0 12px 28px rgba(60,10,40,.20)}
.btn-light:hover{transform:translateY(-1px);color:var(--brand-deep);box-shadow:0 16px 34px rgba(60,10,40,.28)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.34);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.08);border:1px solid var(--line-dark);
  flex-direction:column;justify-content:center;gap:5px;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;border-radius:2px;background:#fff;transition:transform .25s ease,opacity .25s ease}
.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)}

.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:99;transition:width .1s linear}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:26px 0 0;font-size:14px;color:var(--ink-2)}
.breadcrumb a{color:var(--ink-2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand-deep)}
.breadcrumb .sep{color:#C3BDD2}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章主体 ---------- */
.article-wrap{max-width:880px;margin:0 auto;padding:0 0 8px}
.article-head{padding:18px 0 0}
.cat-chip{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--brand-mist);color:var(--brand-deep);font-size:13px;font-weight:600;
}
.article-head h1{font-size:38px;line-height:1.32;font-weight:800;letter-spacing:-.3px;margin:16px 0 16px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:14px;color:var(--ink-2)}
.article-meta .dot{color:#C3BDD2}
.meta-badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:999px;
  background:rgba(18,214,190,.12);color:#0E9F8D;font-size:13px;font-weight:600;
}
.meta-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan)}

.article-cover{
  margin:26px 0 0;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh);aspect-ratio:16/9;background:#EDE9F5;
}
.article-cover img{width:100%;height:100%;object-fit:cover}

.article-body{
  margin:28px 0 0;padding:44px 48px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);
  font-size:17px;line-height:2;color:var(--ink);
}
.article-body p{margin:0 0 1.2em}
.article-body h2{position:relative;font-size:24px;line-height:1.45;padding-left:16px;margin:34px 0 14px}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--grad)}
.article-body h3{font-size:19px;line-height:1.5;margin:26px 0 10px}
.article-body h4{font-size:17px;margin:20px 0 8px}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 1.2em}
.article-body li{margin-bottom:.5em}
.article-body blockquote{
  margin:20px 0;padding:16px 20px;border-left:4px solid var(--brand);
  background:var(--brand-mist);border-radius:0 14px 14px 0;color:var(--ink-2);
}
.article-body img{border-radius:16px;margin:20px auto;box-shadow:var(--sh)}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.article-body a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{font-weight:600}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  font-size:15px;line-height:1.7;margin:0 0 1.2em;
}
.article-body th{background:var(--brand-mist);text-align:left;padding:11px 14px;font-weight:600;white-space:nowrap}
.article-body td{padding:11px 14px;border-top:1px solid var(--line);color:var(--ink-2)}
.article-body hr{border:0;height:1px;background:var(--line);margin:28px 0}

.empty-state{
  margin:28px 0 0;padding:64px 24px;text-align:center;
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state h2{font-size:22px;margin-bottom:12px}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:22px}

.article-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 0}

/* ---------- 相关推荐 ---------- */
.related{padding:76px 0 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.section-head h2{position:relative;font-size:30px;line-height:1.35;letter-spacing:-.3px;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--grad)}
.section-head p{font-size:14px;color:var(--ink-2);max-width:52ch}
.section-head .more-link{font-size:14px;font-weight:600;color:var(--brand-deep);border-bottom:2px solid var(--brand-mist);padding-bottom:2px;transition:border-color .2s ease}
.section-head .more-link:hover{border-color:var(--brand)}

.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh);transition:transform .3s ease,box-shadow .3s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDE9F5}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-tag{
  position:absolute;top:12px;left:12px;display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;background:var(--grad);color:#fff;font-size:12px;font-weight:600;
  box-shadow:0 6px 14px rgba(255,61,110,.32);
}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.post-body h3{
  font-size:17px;line-height:1.5;font-weight:600;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover .post-body h3{color:var(--brand-deep)}
.post-body p{
  font-size:14px;line-height:1.7;color:var(--ink-2);margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3)}
.post-foot .hot{color:var(--brand-deep);font-weight:600}

/* ---------- CTA 带 ---------- */
.cta-band{margin-top:82px;background:var(--grad);position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:48px 0}
.cta-inner h2{font-size:28px;line-height:1.4;color:#fff;margin-bottom:8px}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.88);max-width:60ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--text-dark-2);border-top:1px solid var(--line-dark);padding:58px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-dark-2);max-width:42ch}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col a,.footer-col span{display:block;font-size:14px;color:var(--text-dark-2);margin-bottom:10px;transition:color .2s ease}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line-dark);
  font-size:13px;color:#8B84A0;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .main-nav{
    position:fixed;left:0;right:0;top:72px;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    padding:14px 24px 30px;overflow-y:auto;
    background:rgba(20,15,28,.98);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    transform:translateX(100%);transition:transform .3s ease;visibility:hidden;
  }
  .main-nav.is-open{transform:none;visibility:visible}
  .nav-link{height:56px;padding:0 6px;border-radius:0;border-bottom:1px solid var(--line-dark);font-size:16px;color:var(--text-dark)}
  .nav-link.is-active{color:#fff}
  .nav-link.is-active::after{display:none}
  .nav-drawer-cta{display:block;margin-top:auto;padding-top:22px}
  .nav-drawer-cta .btn{width:100%}
  .status-tag,.countdown-chip{display:none}
  .nav-toggle{display:flex}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .article-head h1{font-size:27px;line-height:1.4}
  .article-body{padding:26px 20px;font-size:16px;line-height:1.9}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .section-head h2{font-size:24px}
  .cta-inner{padding:40px 0}
  .cta-inner h2{font-size:23px}
  .related{padding:58px 0 0}
  .cta-band{margin-top:62px}
  .breadcrumb .current{max-width:100%;white-space:normal}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .header-side .btn-sm{display:none}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .article-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .post-card:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --brand:#FF5C28;
  --brand-deep:#E8420F;
  --brand-mist:#FFEDE5;
  --grad:linear-gradient(120deg,#FF8A3D 0%,#FF3D6E 100%);
  --cyan:#12D6BE;
  --gold:#FFC53D;
  --ink:#140F1C;
  --panel:#1E1730;
  --line-dark:rgba(255,255,255,.10);
  --text-dark:#F3F1F8;
  --text-dark-2:#B7B0C8;
  --bg-light:#F7F6FB;
  --card:#FFFFFF;
  --ink-1:#1A1420;
  --ink-2:#5A5468;
  --line:#E7E4F0;
  --r-lg:20px;
  --r-sm:12px;
  --shadow:0 8px 24px rgba(26,12,48,.06);
  --shadow-h:0 18px 40px rgba(26,12,48,.12);
  --glow:0 10px 26px rgba(255,92,40,.28);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-1);
  background:var(--bg-light);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:76px 0}
.section-light{background:var(--bg-light)}
.section-dark{background:var(--ink);color:var(--text-dark)}
.section-dark .section-sub{color:var(--text-dark-2)}
.section-dark .section-title{color:#fff}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border:0;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.3px;cursor:pointer;
  white-space:nowrap;transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);color:#fff}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.34)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand-deep);border:1px solid var(--brand-mist)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--brand-deep)}
.btn-white:hover{transform:translateY(-2px);filter:brightness(.97);color:var(--brand-deep)}
.btn-line{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}
.btn-line:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(20,15,28,.88);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:rgba(20,15,28,.98);border-bottom-color:var(--line-dark);box-shadow:0 12px 30px rgba(10,6,20,.4)}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--grad);
  display:grid;place-items:center;box-shadow:0 6px 16px rgba(255,92,40,.35);flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px;display:block}
.brand-text{color:#fff;font-weight:800;font-size:19px;letter-spacing:.5px}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;flex:1 1 auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 12px;border-radius:10px;
  color:var(--text-dark-2);font-size:15px;font-weight:500;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link.is-active{color:#fff;font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;
  border-radius:2px;background:var(--grad);
}
.nav-drawer-cta{display:none}
.header-side{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:auto}
.status-tag{
  font-size:12.5px;font-weight:600;color:var(--cyan);
  border:1px solid rgba(18,214,190,.42);background:rgba(18,214,190,.10);
  border-radius:999px;padding:4px 12px;white-space:nowrap;
}
.countdown-chip{
  font-size:13px;color:var(--text-dark-2);
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);
  border-radius:999px;padding:5px 13px;white-space:nowrap;
}
.countdown-chip b{color:var(--gold);font-weight:700;font-variant-numeric:tabular-nums}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-dark);
  background:rgba(255,255,255,.06);cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-active span:nth-child(2){opacity:0}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 分类 Hero ============ */
.category-hero{position:relative;overflow:hidden;background:var(--ink)}
.category-hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.6;
}
.category-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,15,28,.97) 0%,rgba(20,15,28,.88) 44%,rgba(20,15,28,.44) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1fr) 348px;gap:44px;align-items:center;
  padding-top:46px;padding-bottom:46px;min-height:308px;
}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-dark-2);margin-bottom:16px}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:rgba(255,255,255,.32)}
.breadcrumb .current{color:var(--gold)}
.page-title{font-size:40px;line-height:1.24;font-weight:800;color:#fff;letter-spacing:.4px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{color:var(--text-dark-2);font-size:15.5px;line-height:1.85;margin-top:14px;max-width:600px}
.hero-filter{
  background:rgba(30,23,48,.92);border:1px solid var(--line-dark);
  border-radius:var(--r-lg);padding:22px;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.hero-filter h2{font-size:15px;color:#fff;font-weight:700;margin-bottom:14px}
.filter-field{margin-bottom:14px}
.filter-field label{display:block;font-size:12.5px;color:var(--text-dark-2);margin-bottom:6px}
.hero-filter select{
  width:100%;height:46px;padding:0 38px 0 14px;border-radius:var(--r-sm);
  background-color:rgba(20,15,28,.9);border:1px solid rgba(255,255,255,.14);
  color:#fff;font-size:14.5px;appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23B7B0C8' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.hero-filter select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,92,40,.22)}
.hero-filter .btn{margin-top:6px}

/* ============ 板块标题 ============ */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px;flex-wrap:wrap}
.section-title{position:relative;font-size:32px;line-height:1.32;font-weight:700;padding-left:18px;letter-spacing:.3px}
.section-title::before{
  content:"";position:absolute;left:0;top:.2em;width:4px;height:.78em;border-radius:2px;background:var(--grad);
}
.section-sub{color:var(--ink-2);font-size:15px;margin-top:8px;padding-left:18px}

/* ============ 卖点 ============ */
.hl-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.hl-card{
  display:flex;gap:18px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.hl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h)}
.hl-grid .hl-card:nth-child(2){transform:translateY(20px)}
.hl-grid .hl-card:nth-child(2):hover{transform:translateY(16px)}
.hl-num{
  flex:0 0 auto;width:46px;height:46px;border-radius:14px;
  background:var(--brand-mist);color:var(--brand-deep);
  display:grid;place-items:center;font-size:17px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.hl-card h3{font-size:19px;line-height:1.5;font-weight:600;margin-bottom:8px}
.hl-card p{color:var(--ink-2);font-size:14.5px;line-height:1.82}

/* ============ 活动卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.event-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .3s ease-out,box-shadow .3s ease-out;
}
.event-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h)}
.event-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#e9e6f2}
.event-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.event-card:hover .event-thumb img{transform:scale(1.04)}
.event-badge{
  position:absolute;left:12px;top:12px;z-index:2;
  background:var(--grad);color:#fff;font-size:12px;font-weight:600;
  padding:4px 11px;border-radius:var(--r-sm);letter-spacing:.3px;
}
.event-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto}
.event-title{font-size:18px;line-height:1.52;font-weight:600;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.event-title a:hover{color:var(--brand-deep)}
.event-title a::after{content:"";position:absolute;inset:0}
.event-desc{font-size:14px;line-height:1.75;color:var(--ink-2);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.event-meta{
  margin-top:auto;display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center;
  font-size:13px;color:var(--ink-2);border-top:1px dashed var(--line);padding-top:12px;
  font-variant-numeric:tabular-nums;
}
.event-meta .dot{color:var(--line)}
.event-meta .hot{color:var(--brand);font-weight:600}
.pager{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:10px;margin-top:44px}
.pager a{
  min-width:44px;height:44px;padding:0 18px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);font-size:15px;font-weight:600;color:var(--ink-1);
  transition:border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.pager a:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px)}
.pager a.is-current{background:var(--grad);border-color:transparent;color:#fff;box-shadow:var(--glow)}
.pager a.is-disabled{opacity:.45;pointer-events:none}

/* ============ 适用场景（深色） ============ */
.scene-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.scene-item{
  background:var(--panel);border:1px solid var(--line-dark);border-radius:var(--r-lg);
  padding:28px 26px;transition:transform .25s ease,border-color .25s ease;
}
.scene-item:hover{transform:translateY(-4px);border-color:rgba(18,214,190,.35)}
.scene-tag{display:inline-block;font-size:12.5px;color:var(--cyan);border:1px solid rgba(18,214,190,.4);border-radius:999px;padding:3px 12px;margin-bottom:16px}
.scene-item h3{font-size:19px;font-weight:600;color:#fff;margin-bottom:10px;line-height:1.5}
.scene-item p{font-size:14.5px;line-height:1.85;color:var(--text-dark-2)}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.step{position:relative;padding-right:8px}
.step::after{content:"";position:absolute;top:26px;left:58px;right:-16px;border-top:1px dashed var(--line)}
.step:last-child::after{display:none}
.step-num{
  width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:800;
  box-shadow:0 10px 22px rgba(255,92,40,.25);font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;font-weight:600;margin:18px 0 8px;line-height:1.5}
.step p{font-size:14.5px;color:var(--ink-2);line-height:1.82}

/* ============ 数据徽章 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-h)}
.stat b{
  display:block;font-size:28px;line-height:1.25;font-weight:800;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.stat span{display:block;font-size:13.5px;color:var(--ink-2);margin-top:6px}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:330px minmax(0,1fr);gap:52px;align-items:start}
.faq-aside h2{position:relative;font-size:30px;line-height:1.34;font-weight:700;padding-left:18px}
.faq-aside h2::before{content:"";position:absolute;left:0;top:.2em;width:4px;height:.78em;border-radius:2px;background:var(--grad)}
.faq-aside p{color:var(--ink-2);font-size:14.5px;line-height:1.85;margin-top:14px;padding-left:18px}
.faq-aside .btn{margin:22px 0 0 18px}
.accordion.faq-accordion{border:0;background:transparent;margin:0}
.faq-accordion .accordion-item{
  border:0;background:#fff;border-radius:16px;margin-bottom:12px;
  box-shadow:var(--shadow);overflow:hidden;
}
.faq-accordion .accordion-item:last-child{margin-bottom:0}
.faq-accordion .accordion-title{
  position:relative;border:0;background:#fff;color:var(--ink-1);
  font-size:16px;font-weight:600;line-height:1.6;
  padding:18px 58px 18px 22px;transition:background-color .2s ease,color .2s ease;
}
.faq-accordion .accordion-title:hover{background:var(--brand-mist);color:var(--brand-deep)}
.faq-accordion .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:auto;height:auto;margin:0;font-size:22px;line-height:1;font-weight:400;
  color:var(--brand);transition:transform .25s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title{background:var(--brand-mist);color:var(--brand-deep)}
.faq-accordion .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg)}
.faq-accordion .accordion-content{border:0;background:#fff;color:var(--ink-2);font-size:15px;line-height:1.9;padding:0 22px 20px}
.faq-accordion .accordion-content p{margin:0}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--grad);border-radius:24px;padding:48px 52px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:0 24px 60px rgba(255,61,110,.24);
}
.cta-band h2{font-size:28px;line-height:1.4;font-weight:800;margin-bottom:10px}
.cta-band p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.92);max-width:600px}
.cta-actions{display:flex;gap:12px;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--text-dark);border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding:66px 0 44px}
.footer-brand p{color:var(--text-dark-2);font-size:14px;line-height:1.88;margin-top:18px;max-width:350px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col a,.footer-col span{display:block;color:var(--text-dark-2);font-size:14px;line-height:2.15}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  color:var(--text-dark-2);font-size:13px;
}
body.nav-open{overflow:hidden}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1099px){
  .header-side .status-tag{display:none}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-toggle{display:flex}
  .header-side .countdown-chip{display:none}
  .header-side .btn-sm{display:none}
  .main-nav{
    position:fixed;left:0;right:0;top:72px;bottom:0;z-index:70;
    flex-direction:column;align-items:stretch;gap:0;margin:0;padding:18px 20px 28px;
    background:#140F1C;overflow-y:auto;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:transform .26s ease,opacity .26s ease;
  }
  .main-nav.is-open{transform:none;opacity:1;pointer-events:auto}
  .nav-link{height:56px;padding:0 16px;border-radius:14px;font-size:17px;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav-link.is-active::after{left:16px;right:auto;width:26px;bottom:12px}
  .nav-drawer-cta{display:block;margin-top:24px}
  .nav-drawer-cta .btn{width:100%}
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:26px;min-height:0;padding-top:36px;padding-bottom:40px}
  .hero-filter{max-width:520px}
  .hl-grid{grid-template-columns:minmax(0,1fr);gap:16px}
  .hl-grid .hl-card:nth-child(2){transform:none}
  .hl-grid .hl-card:nth-child(2):hover{transform:translateY(-4px)}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .scene-list{grid-template-columns:minmax(0,1fr);gap:18px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 20px}
  .step::after{display:none}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .faq-wrap{grid-template-columns:minmax(0,1fr);gap:28px}
  .faq-aside .btn{margin-left:18px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;padding:52px 0 36px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:38px 30px;gap:24px}
  .section{padding:58px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .page-title{font-size:28px;line-height:1.32}
  .hero-lead{font-size:15px}
  .section-title,.faq-aside h2{font-size:24px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:18px}
  .steps{grid-template-columns:minmax(0,1fr)}
  .stat-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{border-radius:20px;padding:30px 22px}
  .cta-band h2{font-size:22px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .pager a{min-width:42px;height:42px;padding:0 14px;font-size:14px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .event-card:hover,.hl-card:hover,.stat:hover,.scene-item:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --brand:#FF5C28;
  --brand-deep:#E8420F;
  --brand-mist:#FFEDE5;
  --grad:linear-gradient(120deg,#FF8A3D 0%,#FF3D6E 100%);
  --cyan:#12D6BE;
  --gold:#FFC53D;
  --dark-bg:#140F1C;
  --dark-panel:#1E1730;
  --dark-line:rgba(255,255,255,.10);
  --dark-text:#F3F1F8;
  --dark-sub:#B7B0C8;
  --light-bg:#F7F6FB;
  --card:#FFFFFF;
  --ink:#1A1420;
  --ink-sub:#5A5468;
  --line:#E7E4F0;
  --r-lg:20px;
  --r-sm:12px;
  --sh:0 8px 24px rgba(26,12,48,.06);
  --sh-hover:0 18px 40px rgba(26,12,48,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.6;
  color:var(--ink);
  background:var(--light-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover,a:focus{color:var(--brand-deep)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.28}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
input,select{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.clamp-1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 按钮 / 标签 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:0;border-radius:999px;cursor:pointer;
  font-size:15px;font-weight:600;letter-spacing:.2px;text-align:center;
  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 10px 26px rgba(255,92,40,.28)}
.btn-primary:hover,.btn-primary:focus{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 14px 32px rgba(255,92,40,.34)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.42)}
.btn-ghost:hover,.btn-ghost:focus{color:#fff;background:rgba(255,255,255,.10);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn-outline:hover,.btn-outline:focus{background:var(--brand-mist);color:var(--brand-deep);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--brand-deep);box-shadow:0 12px 28px rgba(20,15,28,.20)}
.btn-white:hover,.btn-white:focus{color:var(--brand-deep);transform:translateY(-2px);filter:brightness(.98)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-xs{height:34px;padding:0 14px;font-size:13px}
.btn:active{transform:translateY(0) scale(.98)}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--r-sm);
  font-size:12px;font-weight:600;letter-spacing:.2px;
}
.badge-grad{background:var(--grad);color:#fff}
.badge-mist{background:var(--brand-mist);color:var(--brand-deep)}
.badge-cyan{background:rgba(18,214,190,.14);color:#0BA491}
.badge-gold{background:rgba(255,197,61,.18);color:#9A6B00}
.tag{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink-sub);font-size:14px;cursor:pointer;
  transition:all .2s ease;
}
.tag:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-mist)}
.tag.is-on{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(255,92,40,.24)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(20,15,28,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--dark-line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(20,15,28,.97);box-shadow:0 10px 30px rgba(0,0,0,.32)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(255,61,110,.32);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{color:#fff;font-size:19px;font-weight:800;letter-spacing:.5px}
.main-nav{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:42px;padding:0 14px;border-radius:999px;
  color:var(--dark-sub);font-size:15px;font-weight:500;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link.is-active{color:#fff;font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;background:var(--grad);
}
.nav-drawer-cta{display:none}
.header-side{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.status-tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(18,214,190,.14);color:#5BEBD8;font-size:12px;font-weight:600;
}
.status-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan)}
.countdown-chip{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;border-radius:999px;
  border:1px solid var(--dark-line);background:rgba(255,255,255,.04);
  color:var(--dark-sub);font-size:12px;white-space:nowrap;
}
.countdown-chip b{color:var(--gold);font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.5px}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 10px;border:1px solid var(--dark-line);border-radius:12px;
  background:rgba(255,255,255,.05);cursor:pointer;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:#fff;transition:.25s ease}
.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)}

/* ---------- 分类页 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--dark-bg) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:44px 0 52px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,15,28,.96) 0%,rgba(20,15,28,.86) 46%,rgba(255,61,110,.30) 100%);
}
.cat-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--dark-sub);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:var(--dark-sub)}
.crumb a:hover{color:#fff}
.crumb .sep{color:rgba(255,255,255,.28)}
.crumb .now{color:#fff;font-weight:600}
.hero-grid{display:grid;grid-template-columns:1fr 380px;gap:40px;align-items:center}
.cat-hero h1{
  color:#fff;font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.24;letter-spacing:.2px;
}
.cat-hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{color:var(--dark-sub);font-size:16px;line-height:1.8;margin:16px 0 24px;max-width:620px}
.stat-chips{display:flex;flex-wrap:wrap;gap:12px}
.stat-chip{
  min-width:132px;padding:12px 18px;border-radius:var(--r-sm);
  border:1px solid var(--dark-line);background:rgba(255,255,255,.05);
}
.stat-chip b{
  display:block;font-size:24px;font-weight:800;line-height:1.2;
  font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-chip span{display:block;margin-top:4px;font-size:12px;color:var(--dark-sub)}

.hero-filter{
  background:rgba(30,23,48,.88);border:1px solid var(--dark-line);border-radius:var(--r-lg);
  padding:22px;box-shadow:0 20px 44px rgba(0,0,0,.32);
}
.hero-filter h2{font-size:16px;color:#fff;margin-bottom:16px;font-weight:700;display:flex;align-items:center;gap:8px}
.hero-filter h2 i{color:var(--gold)}
.field{display:block;margin-bottom:14px}
.field-label{display:block;font-size:13px;color:var(--dark-sub);margin-bottom:8px}
.search-bar{
  display:flex;align-items:center;gap:8px;height:48px;padding:4px 4px 4px 16px;
  border-radius:999px;border:1px solid var(--dark-line);background:rgba(255,255,255,.06);
}
.search-bar i{color:var(--dark-sub);font-size:14px}
.search-bar input{flex:1;min-width:0;background:transparent;border:0;color:#fff;height:40px;outline:none}
.search-bar input::placeholder{color:rgba(183,176,200,.75)}
.search-bar button{
  height:40px;padding:0 20px;border:0;border-radius:999px;background:var(--grad);
  color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:filter .2s ease;
}
.search-bar button:hover{filter:brightness(1.08)}
.select-box{position:relative;display:block}
.select-box select{
  width:100%;height:46px;padding:0 40px 0 16px;border-radius:var(--r-sm);
  border:1px solid var(--dark-line);background:rgba(255,255,255,.06);color:#fff;
  appearance:none;-webkit-appearance:none;outline:none;cursor:pointer;
}
.select-box select option{background:#1E1730;color:#fff}
.select-box::after{
  content:"";position:absolute;right:18px;top:50%;margin-top:-3px;
  border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid var(--dark-sub);
  pointer-events:none;
}

/* ---------- 主区域 ---------- */
.section{padding:76px 0}
.section-light{background:var(--light-bg)}
.section-plain{background:#fff}
.section-dark{background:var(--dark-bg);color:var(--dark-text)}
.section-dark h2,.section-dark h3{color:#fff}
.section-head{margin-bottom:36px;max-width:760px}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1px;
  color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{
  position:relative;padding-left:16px;font-size:clamp(24px,2.6vw,32px);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--grad);
}
.section-head p{margin-top:12px;color:var(--ink-sub);font-size:15px;line-height:1.8}
.section-dark .section-head p{color:var(--dark-sub)}

.layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:28px;align-items:start}

/* 左筛选面板 */
.filter-panel{
  position:sticky;top:96px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);
  padding:22px;
}
.filter-panel h3{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.filter-panel h3 i{color:var(--brand)}
.filter-block{padding:16px 0;border-top:1px dashed var(--line)}
.filter-block:first-of-type{border-top:0;padding-top:0}
.filter-block .fb-title{font-size:13px;font-weight:600;color:var(--ink-sub);margin-bottom:12px}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.filter-note{
  margin-top:16px;padding:12px 14px;border-radius:var(--r-sm);background:var(--brand-mist);
  font-size:13px;color:var(--brand-deep);line-height:1.7;
}

/* 礼包横向小卡 */
.list-toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-bottom:20px;padding:14px 18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-sm);box-shadow:var(--sh);
}
.list-toolbar .count{font-size:14px;color:var(--ink-sub)}
.list-toolbar .count b{color:var(--brand);font-weight:800;font-variant-numeric:tabular-nums}
.sort-links{display:flex;gap:6px;flex-wrap:wrap}
.sort-links button{
  height:34px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--ink-sub);font-size:13px;cursor:pointer;transition:all .2s ease;
}
.sort-links button:hover{border-color:var(--brand);color:var(--brand)}
.sort-links button.is-on{background:var(--grad);color:#fff;border-color:transparent}

.gift-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.gift-card{
  display:grid;grid-template-columns:34% minmax(0,1fr);gap:16px;
  padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.gift-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#F3D9CE}
.thumb{
  position:relative;aspect-ratio:16/11;border-radius:var(--r-sm);overflow:hidden;background:#EFEDF6;
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.gift-card:hover .thumb img{transform:scale(1.04)}
.thumb .corner{
  position:absolute;left:8px;top:8px;height:24px;padding:0 10px;border-radius:var(--r-sm);
  background:var(--grad);color:#fff;font-size:12px;font-weight:600;display:inline-flex;align-items:center;
}
.gift-body{display:flex;flex-direction:column;min-width:0}
.gift-body h3{font-size:17px;font-weight:600;line-height:1.45}
.gift-body h3 a{color:var(--ink)}
.gift-body h3 a:hover{color:var(--brand)}
.gift-desc{margin:8px 0 0;font-size:13px;color:var(--ink-sub);line-height:1.65}
.gift-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.gift-foot{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;
}
.gift-foot .left{font-size:12px;color:var(--ink-sub);font-variant-numeric:tabular-nums}
.gift-foot .left b{color:var(--brand-deep);font-weight:700}
.pagination{display:flex;justify-content:center;gap:8px;margin-top:32px;flex-wrap:wrap}
.pagination a,.pagination span{
  display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-sub);font-size:14px;
}
.pagination a:hover{border-color:var(--brand);color:var(--brand)}
.pagination .now{background:var(--grad);color:#fff;border-color:transparent;font-weight:700}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;position:relative}
.flow::before{
  content:"";position:absolute;left:8%;right:8%;top:28px;height:1px;
  border-top:2px dashed rgba(26,20,32,.12);
}
.flow-step{position:relative;background:transparent;padding-top:0}
.flow-num{
  position:relative;z-index:2;width:56px;height:56px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;font-size:22px;font-weight:800;
  box-shadow:0 12px 26px rgba(255,61,110,.26);font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:18px;margin:18px 0 8px}
.flow-step p{font-size:14px;color:var(--ink-sub);line-height:1.75;margin:0}

/* ---------- 数据 / 进度 ---------- */
.pool-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:28px;align-items:stretch}
.pool-card{
  background:var(--dark-panel);border:1px solid var(--dark-line);border-radius:var(--r-lg);
  padding:26px;
}
.pool-card .pt{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:18px}
.pool-card .pt h3{font-size:17px}
.pool-card .pt b{
  font-size:30px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.progress{
  height:12px;border-radius:999px;background:rgba(255,255,255,.10);
  border:1px solid var(--dark-line);overflow:hidden;margin:0 0 20px;
}
.progress .meter{
  display:block;height:100%;border-radius:999px;background:var(--grad);
  transition:width .6s ease;
}
.milestones{display:flex;flex-wrap:wrap;gap:10px}
.ms{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  font-size:13px;color:var(--dark-sub);border:1px solid var(--dark-line);
}
.ms.done{border-color:rgba(18,214,190,.55);color:#7BF0DF}
.ms.done::before{content:"\2713";color:var(--cyan);font-weight:700}
.ms.now{border-color:transparent;background:var(--grad);color:#fff;font-weight:600}
.ms.next::before{content:"\2022";color:var(--dark-sub)}
.pool-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.pool-stat{
  background:var(--dark-panel);border:1px solid var(--dark-line);border-radius:var(--r-lg);
  padding:22px;display:flex;flex-direction:column;justify-content:center;
}
.pool-stat b{
  font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.pool-stat span{display:block;margin-top:6px;font-size:13px;color:var(--dark-sub)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:320px minmax(0,1fr);gap:40px;align-items:start}
.faq-side h2{position:relative;padding-left:16px;font-size:clamp(22px,2.4vw,30px)}
.faq-side h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--grad);
}
.faq-side p{color:var(--ink-sub);font-size:15px;line-height:1.8;margin-top:14px}
.faq-side .btn{margin-top:20px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:12px;overflow:hidden;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item[open]{box-shadow:var(--sh);border-color:#F3D9CE}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-mist);color:var(--brand-deep);font-size:18px;font-weight:700;
  transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;color:var(--ink-sub);font-size:15px;line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--grad);border-radius:24px;padding:40px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 20px 48px rgba(255,61,110,.24);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.92);font-size:15px;max-width:620px;margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark-bg);border-top:1px solid var(--dark-line);padding:60px 0 0;color:var(--dark-sub)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--dark-sub);max-width:360px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col a,.footer-col span{display:block;font-size:14px;color:var(--dark-sub);margin-bottom:10px}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid var(--dark-line);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(183,176,200,.8);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px}
  .hero-grid{grid-template-columns:1fr 340px;gap:28px}
}
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .header-side .status-tag,.header-side .countdown-chip{display:none}
  .main-nav{
    position:fixed;left:0;right:0;top:60px;bottom:0;z-index:80;
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;
    background:var(--dark-bg);padding:16px 24px 28px;overflow-y:auto;
    transform:translateX(-100%);opacity:0;pointer-events:none;transition:transform .28s ease,opacity .28s ease;
  }
  .main-nav.is-open{transform:translateX(0);opacity:1;pointer-events:auto}
  .nav-link{
    height:56px;border-radius:0;border-bottom:1px solid var(--dark-line);
    font-size:17px;padding:0 8px;
  }
  .nav-link.is-active::after{left:8px;right:auto;width:26px;bottom:0}
  .nav-drawer-cta{display:block;margin-top:26px}
  .nav-drawer-cta .btn{width:100%}
  .hero-grid{grid-template-columns:1fr}
  .hero-filter{max-width:520px}
  .layout{grid-template-columns:1fr}
  .filter-panel{position:static}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow::before{display:none}
  .pool-grid{grid-template-columns:1fr}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .cat-hero{padding:32px 0 40px}
  .header-inner{height:60px;gap:12px}
  .brand-text{font-size:17px}
  .header-side .btn-sm{display:none}
  .gift-list{grid-template-columns:1fr;gap:16px}
  .gift-card{grid-template-columns:38% minmax(0,1fr);padding:14px;gap:14px}
  .flow{grid-template-columns:1fr;gap:20px}
  .flow::before{display:none}
  .pool-stats{grid-template-columns:1fr}
  .cta-band{padding:26px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .stat-chips{gap:10px}
  .stat-chip{flex:1 1 calc(50% - 10px);min-width:0}
}
@media (max-width:520px){
  .gift-card{grid-template-columns:1fr}
  .thumb{aspect-ratio:16/9}
  .list-toolbar{align-items:flex-start;flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category3 */
:root{
  --brand:#FF5C28;
  --brand-deep:#E8420F;
  --brand-mist:#FFEDE5;
  --grad:linear-gradient(120deg,#FF8A3D 0%,#FF3D6E 100%);
  --cyan:#12D6BE;
  --cyan-deep:#0E9C8C;
  --gold:#FFC53D;
  --ink-bg:#140F1C;
  --ink-panel:#1E1730;
  --ink-line:rgba(255,255,255,.10);
  --ink-text:#F3F1F8;
  --ink-mute:#B7B0C8;
  --paper:#F7F6FB;
  --card:#FFFFFF;
  --text:#1A1420;
  --muted:#5A5468;
  --line:#E7E4F0;
  --r-lg:20px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-card:0 8px 24px rgba(26,12,48,.06);
  --sh-hover:0 18px 40px rgba(26,12,48,.12);
  --sh-btn:0 10px 26px rgba(255,92,40,.28);
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--brand-deep);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.3;}

:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ 按钮系统 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-btn);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.05);}
.btn-primary:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.30);}
.btn-ghost:hover{color:var(--cyan);border-color:var(--cyan);transform:translateY(-2px);}
.btn-white{background:#fff;color:var(--brand-deep);}
.btn-white:hover{color:var(--brand-deep);transform:translateY(-2px);box-shadow:0 12px 28px rgba(20,15,28,.18);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(20,15,28,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.07);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(16,11,24,.97);
  box-shadow:0 10px 30px rgba(10,4,24,.35);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
  transition:height .3s ease;
}
.site-header.is-scrolled .header-inner{height:62px;}

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:11px;
  background:var(--grad);
  box-shadow:0 6px 18px rgba(255,92,40,.36);
}
.brand-mark svg{width:21px;height:21px;}
.brand-text{
  font-size:19px;
  font-weight:800;
  letter-spacing:.5px;
  color:#fff;
}
.brand:hover .brand-text{color:#fff;}

.main-nav{
  display:flex;
  align-items:center;
  gap:2px;
  flex:1 1 auto;
  justify-content:center;
}
.nav-link{
  position:relative;
  padding:10px 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--ink-mute);
  transition:color .25s ease,background .25s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.is-active{color:#fff;font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:3px;
  height:2px;border-radius:2px;
  background:var(--grad);
}
.nav-drawer-cta{display:none;}

.header-side{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.status-tag{
  font-size:12px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  color:var(--cyan);
  background:rgba(18,214,190,.10);
  border:1px solid rgba(18,214,190,.42);
  white-space:nowrap;
}
.countdown-chip{
  font-size:13px;
  color:var(--ink-mute);
  white-space:nowrap;
}
.countdown-chip b{
  color:var(--gold);
  font-variant-numeric:tabular-nums;
  letter-spacing:.4px;
}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:12px;
  background:rgba(255,255,255,.06);
  cursor:pointer;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:#fff;
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ============ 页面 Hero ============ */
.page-hero{
  position:relative;
  color:#fff;
  background-image:linear-gradient(120deg,rgba(20,15,28,.95) 0%,rgba(20,15,28,.78) 52%,rgba(20,15,28,.52) 100%),
                   url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  padding:52px 0 56px;
}
.page-hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:60px;
  background:linear-gradient(180deg,rgba(247,246,251,0) 0%,rgba(247,246,251,.10) 100%);
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-mute);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--ink-mute);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:#fff;}

.page-hero-inner{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.page-hero-text{max-width:640px;}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  color:var(--gold);
  background:rgba(255,197,61,.12);
  border:1px solid rgba(255,197,61,.38);
  margin-bottom:16px;
}
.page-hero h1{
  font-size:40px;
  font-weight:800;
  line-height:1.28;
  letter-spacing:.4px;
}
.page-hero h1 em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.page-hero-text p{
  margin-top:14px;
  font-size:16px;
  line-height:1.85;
  color:#D6D0E4;
}

.sort-box{
  min-width:238px;
  padding:16px 18px;
  border-radius:16px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(6px);
}
.sort-label{
  display:block;
  font-size:12px;
  letter-spacing:1px;
  color:var(--ink-mute);
  margin-bottom:8px;
}
.sort-select{
  width:100%;
  height:44px;
  padding:0 14px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(20,15,28,.6);
  color:#fff;
  font-size:14px;
  appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,#B7B0C8 50%),linear-gradient(135deg,#B7B0C8 50%,transparent 50%);
  background-position:calc(100% - 20px) 19px,calc(100% - 14px) 19px;
  background-size:6px 6px,6px 6px;
  background-repeat:no-repeat;
}
.sort-select:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(255,92,40,.22);}
.sort-select option{color:#1A1420;background:#fff;}

/* ============ 通用板块 ============ */
.section{padding:80px 0;}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:36px;max-width:760px;}
.section-head h2{
  position:relative;
  padding-left:18px;
  font-size:32px;
  font-weight:700;
  color:var(--text);
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:7px;bottom:7px;
  width:4px;border-radius:3px;
  background:var(--grad);
}
.section-head p{
  margin-top:12px;
  font-size:15px;
  color:var(--muted);
}
.section-head.on-dark h2{color:#fff;}
.section-head.on-dark p{color:var(--ink-mute);}

/* ============ 精选大卡 ============ */
.feature-grid{margin-left:-12px;margin-right:-12px;}
.feature-grid > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px;}

.feature-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--card);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-card);
  transition:transform .3s ease,box-shadow .3s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#EDEAF5;
}
.thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease-out;
}
.feature-card:hover .thumb img{transform:scale(1.04);}
.tag-float{
  position:absolute;
  left:14px;top:14px;
  padding:4px 11px;
  font-size:12px;
  border-radius:var(--r-sm);
  background:var(--grad);
  color:#fff;
  letter-spacing:.5px;
}
.card-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1 1 auto;
}
.card-body h3{
  font-size:20px;
  font-weight:600;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-body h3 a{color:var(--text);}
.card-body h3 a:hover{color:var(--brand);}
.card-body p{
  font-size:14px;
  line-height:1.8;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px dashed var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:var(--muted);
}
.mini-badge{
  padding:3px 10px;
  border-radius:var(--r-pill);
  background:var(--brand-mist);
  color:var(--brand-deep);
  font-size:12px;
}

/* ============ 榜单 ============ */
.rank-toolbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  margin-bottom:24px;
}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  height:38px;
  padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--muted);
  font-size:14px;
  cursor:pointer;
  transition:all .25s ease;
}
.chip:hover{border-color:rgba(255,92,40,.5);color:var(--brand);}
.chip.is-on{
  background:var(--grad);
  border-color:transparent;
  color:#fff;
  box-shadow:0 8px 20px rgba(255,92,40,.24);
}

.search-form{
  display:flex;
  align-items:center;
  gap:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:4px;
  min-width:292px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.search-form:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(255,92,40,.14);
}
.search-form input{
  flex:1 1 auto;
  height:40px;
  border:0;
  background:transparent;
  padding:0 16px;
  font-size:14px;
  outline:none;
  min-width:0;
}
.search-form button{
  height:40px;
  padding:0 20px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--grad);
  color:#fff;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:filter .25s ease;
}
.search-form button:hover{filter:brightness(1.06);}

.rank-list{display:flex;flex-direction:column;gap:14px;}
.rank-item{
  display:grid;
  grid-template-columns:78px 1fr auto;
  align-items:center;
  gap:22px;
  padding:22px 26px;
  background:#fff;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
  transition:transform .28s ease,box-shadow .28s ease;
}
.rank-item:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.rank-no{
  font-size:34px;
  font-weight:800;
  line-height:1;
  font-variant-numeric:tabular-nums;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.rank-body h3{
  font-size:19px;
  font-weight:600;
  line-height:1.5;
}
.rank-body h3 a{color:var(--text);}
.rank-body h3 a:hover{color:var(--brand);}
.rank-desc{
  margin-top:6px;
  font-size:14px;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rank-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:10px;
  font-size:12px;
  color:var(--muted);
}
.rank-meta span{
  padding:3px 10px;
  border-radius:var(--r-pill);
  background:var(--paper);
  border:1px solid var(--line);
}
.rank-bar{
  margin-top:12px;
  max-width:460px;
  height:8px;
  border-radius:var(--r-pill);
  background:var(--brand-mist);
  overflow:hidden;
}
.rank-bar span{
  display:block;
  height:100%;
  border-radius:var(--r-pill);
  background:var(--grad);
  transition:width .6s ease-out;
}
.rank-stats{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:8px;
}
.stat-badge{
  font-size:13px;
  padding:5px 13px;
  border-radius:var(--r-pill);
  white-space:nowrap;
  background:rgba(18,214,190,.12);
  color:var(--cyan-deep);
  border:1px solid rgba(18,214,190,.34);
  font-variant-numeric:tabular-nums;
}
.stat-badge.alt{
  background:var(--brand-mist);
  color:var(--brand-deep);
  border-color:rgba(255,92,40,.30);
}
.stat-badge.gold{
  background:rgba(255,197,61,.16);
  color:#A87300;
  border-color:rgba(255,197,61,.42);
}

/* ============ 主题横滑 ============ */
.theme-scroll{
  display:flex;
  gap:20px;
  overflow-x:auto;
  padding:6px 4px 18px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.theme-scroll::-webkit-scrollbar{height:8px;}
.theme-scroll::-webkit-scrollbar-thumb{background:rgba(26,12,48,.16);border-radius:var(--r-pill);}
.theme-card{
  flex:0 0 296px;
  scroll-snap-align:start;
  background:#fff;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-card);
  transition:transform .3s ease,box-shadow .3s ease;
}
.theme-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.theme-card .thumb{aspect-ratio:16/10;}
.theme-card .card-body{padding:18px 20px 20px;gap:8px;}
.theme-card h3{font-size:17px;}
.theme-card p{font-size:13.5px;-webkit-line-clamp:3;}
.theme-count{
  font-size:13px;
  color:var(--brand-deep);
  font-weight:600;
  font-variant-numeric:tabular-nums;
}

/* ============ 深色进度面板 ============ */
.panel-dark{
  background:var(--ink-panel);
  border:1px solid var(--ink-line);
  border-radius:24px;
  padding:38px 40px;
  color:var(--ink-text);
}
.panel-dark h2{font-size:28px;font-weight:700;color:#fff;}
.panel-dark .lead{
  margin-top:12px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-mute);
  max-width:720px;
}
.progress-rows{margin-top:30px;display:flex;flex-direction:column;gap:22px;}
.progress-row-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  margin-bottom:10px;
  font-size:14px;
}
.progress-row-head b{color:#fff;font-weight:600;}
.progress-row-head span{color:var(--cyan);font-variant-numeric:tabular-nums;font-weight:700;}
.progress{
  height:12px;
  margin:0;
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.10);
  overflow:hidden;
}
.progress-meter{
  height:100%;
  border-radius:var(--r-pill);
  background:var(--grad);
  transition:width .6s ease-out;
}
.milestones{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-top:32px;
}
.milestone{
  padding:18px 20px;
  border-radius:16px;
  border:1px solid var(--ink-line);
  background:rgba(255,255,255,.04);
}
.milestone .ms-tag{
  display:inline-flex;
  font-size:12px;
  padding:3px 11px;
  border-radius:var(--r-pill);
  margin-bottom:10px;
}
.ms-done{background:rgba(18,214,190,.16);color:var(--cyan);border:1px solid rgba(18,214,190,.42);}
.ms-doing{background:rgba(255,92,40,.14);color:#FF8A3D;border:1px solid rgba(255,141,61,.45);}
.ms-todo{background:rgba(255,255,255,.06);color:var(--ink-mute);border:1px solid rgba(255,255,255,.16);}
.milestone h3{font-size:16px;font-weight:600;color:#fff;}
.milestone p{margin-top:6px;font-size:13px;color:var(--ink-mute);line-height:1.75;}

/* ============ FAQ ============ */
.faq-grid{
  display:grid;
  grid-template-columns:0.85fr 1.35fr;
  gap:40px;
  align-items:start;
}
.faq-intro h2{
  position:relative;
  padding-left:18px;
  font-size:30px;
  font-weight:700;
}
.faq-intro h2::before{
  content:"";
  position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:3px;background:var(--grad);
}
.faq-intro p{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.9;}

.faq-accordion{
  border:0;
  background:transparent;
  margin:0;
}
.faq-accordion .accordion-item{
  border:0;
  margin-bottom:12px;
  border-radius:16px;
  background:#fff;
  box-shadow:var(--sh-card);
  overflow:hidden;
}
.faq-accordion .accordion-title{
  position:relative;
  border:0;
  padding:18px 52px 18px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  background:transparent;
  line-height:1.6;
}
.faq-accordion .accordion-title:hover{background:var(--brand-mist);color:var(--brand-deep);}
.faq-accordion .accordion-title::before{
  content:"＋";
  position:absolute;
  right:20px;
  top:50%;
  left:auto;
  transform:translateY(-50%);
  margin:0;
  font-size:18px;
  line-height:1;
  color:var(--brand);
  transition:transform .25s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{
  content:"－";
  transform:translateY(-50%) rotate(180deg);
}
.faq-accordion .accordion-content{
  border:0;
  padding:0 22px 20px;
  background:transparent;
  font-size:15px;
  line-height:1.9;
  color:var(--muted);
}
.faq-accordion .accordion-content p{margin:0;}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--grad);
  color:#fff;
  padding:56px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:28px;font-weight:800;color:#fff;}
.cta-inner p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.9);}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;}
.cta-band .btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.12);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-bg);
  color:var(--ink-mute);
  border-top:1px solid var(--ink-line);
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{
  font-size:14px;
  line-height:1.9;
  color:var(--ink-mute);
  max-width:340px;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:14px;
}
.footer-col a,
.footer-col span{
  display:block;
  padding:6px 0;
  font-size:14px;
  color:var(--ink-mute);
}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:44px;
  padding:20px 0 26px;
  border-top:1px solid var(--ink-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8C86A0;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .header-inner{height:64px;}
  .site-header.is-scrolled .header-inner{height:58px;}

  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;
    top:64px;left:0;right:0;bottom:0;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    padding:16px 16px 28px;
    background:#140F1C;
    overflow-y:auto;
    opacity:0;
    transform:translateY(-10px);
    pointer-events:none;
    transition:opacity .25s ease,transform .25s ease;
  }
  .main-nav.is-open{opacity:1;transform:none;pointer-events:auto;}
  .nav-link{
    display:flex;
    align-items:center;
    height:56px;
    padding:0 16px;
    font-size:17px;
    border-radius:12px;
  }
  .nav-link.is-active::after{left:16px;right:auto;width:22px;bottom:14px;}
  .nav-drawer-cta{display:block;margin-top:18px;}
  .nav-drawer-cta .btn{width:100%;}

  .status-tag{display:none;}
  .countdown-chip{display:none;}

  .page-hero h1{font-size:34px;}
  .section{padding:64px 0;}
  .section-head h2{font-size:28px;}
  .panel-dark{padding:30px 28px;}
  .milestones{grid-template-columns:1fr 1fr;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}

@media (max-width:767px){
  .container{padding:0 16px;}
  body{font-size:15.5px;}

  .brand-text{font-size:17px;}
  .brand-mark{width:30px;height:30px;}
  .header-side .btn-sm{display:none;}

  .page-hero{padding:38px 0 42px;}
  .page-hero h1{font-size:27px;line-height:1.35;}
  .page-hero-text p{font-size:15px;}
  .page-hero-inner{gap:24px;}
  .sort-box{width:100%;min-width:0;}

  .section{padding:48px 0;}
  .section-head h2{font-size:23px;}
  .section-head p{font-size:14px;}

  .rank-item{
    grid-template-columns:1fr;
    gap:14px;
    padding:20px 18px;
  }
  .rank-no{font-size:28px;}
  .rank-stats{
    flex-direction:row;
    flex-wrap:wrap;
    align-items:flex-start;
    gap:8px;
  }
  .rank-bar{max-width:100%;}

  .rank-toolbar{flex-direction:column;align-items:stretch;}
  .search-form{min-width:0;width:100%;}

  .theme-card{flex:0 0 82%;}

  .panel-dark{padding:24px 18px;border-radius:20px;}
  .panel-dark h2{font-size:22px;}
  .milestones{grid-template-columns:1fr;}

  .faq-intro h2{font-size:23px;}
  .faq-accordion .accordion-title{font-size:15px;padding:16px 46px 16px 16px;}

  .cta-inner h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}

  .footer-grid{grid-template-columns:1fr;gap:22px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (max-width:520px){
  .page-hero h1{font-size:24px;}
  .filter-bar{gap:8px;}
  .chip{height:34px;padding:0 14px;font-size:13px;}
  .rank-body h3{font-size:16.5px;}
  .feature-card .card-body h3{font-size:18px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category4 */
:root{
  --brand:#FF5C28;
  --brand-deep:#E8420F;
  --brand-mist:#FFEDE5;
  --grad:linear-gradient(120deg,#FF8A3D 0%,#FF3D6E 100%);
  --cyan:#12D6BE;
  --gold:#FFC53D;
  --ink:#140F1C;
  --panel:#1E1730;
  --line:rgba(255,255,255,.10);
  --text-on-dark:#F3F1F8;
  --text-dim-dark:#B7B0C8;
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --ink-text:#1A1420;
  --ink-dim:#5A5468;
  --divider:#E7E4F0;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:12px;
  --pill:999px;
  --shadow:0 8px 24px rgba(26,12,48,.06);
  --shadow-hover:0 18px 40px rgba(26,12,48,.12);
  --glow:0 10px 26px rgba(255,92,40,.28);
  --font: "PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",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);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover,a:focus{color:var(--brand-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-family:var(--font);color:inherit;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.brand-text{font-weight:800;letter-spacing:.5px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
:focus-visible{outline:3px solid rgba(255,92,40,.45);outline-offset:2px;border-radius:6px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(20,15,28,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(16,11,24,.97);box-shadow:0 10px 30px rgba(10,4,22,.35);}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px;transition:min-height .25s ease;}
.site-header.is-scrolled .header-inner{min-height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;flex:0 0 auto;}
.brand:hover,.brand:focus{color:#fff;}
.brand-mark{width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:var(--grad);box-shadow:var(--glow);}
.brand-mark svg{width:20px;height:20px;display:block;}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.5px;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 14px;border-radius:var(--pill);
  color:var(--text-dim-dark);font-size:15px;font-weight:600;
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover,.nav-link:focus{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-drawer-cta{display:none;}
.header-side{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.status-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--pill);
  font-size:12px;font-weight:700;color:var(--cyan);
  border:1px solid rgba(18,214,190,.45);background:rgba(18,214,190,.10);
  white-space:nowrap;
}
.status-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);}
.countdown-chip{
  font-size:13px;color:var(--text-dim-dark);white-space:nowrap;
  padding:6px 12px;border-radius:var(--pill);border:1px solid var(--line);background:rgba(255,255,255,.04);
}
.countdown-chip b{color:var(--gold);font-weight:800;font-variant-numeric:tabular-nums;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--pill);border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1.2;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  text-align:center;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--glow);}
.btn-primary:hover,.btn-primary:focus{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,61,110,.35);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42);}
.btn-ghost:hover,.btn-ghost:focus{color:#fff;border-color:#fff;background:rgba(255,255,255,.10);transform:translateY(-2px);}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover,.btn-outline:focus{background:var(--brand-mist);color:var(--brand-deep);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:rgba(255,255,255,.05);
  border-radius:var(--radius-sm);padding:0;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background-color:var(--ink);
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:56px 0 52px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,15,28,.96) 0%,rgba(20,15,28,.88) 42%,rgba(255,61,110,.34) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;opacity:.5;
}
.page-hero .container{position:relative;z-index:2;}
.hero-flex{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.hero-copy{max-width:720px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;
  padding:6px 14px;border-radius:var(--pill);font-size:13px;font-weight:700;letter-spacing:.3px;
  color:#fff;background:rgba(255,92,40,.18);border:1px solid rgba(255,138,61,.55);
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--grad);display:inline-block;}
.page-hero h1{
  font-size:40px;line-height:1.28;font-weight:800;color:#fff;letter-spacing:.5px;
}
.page-hero h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:16px;font-size:16px;line-height:1.85;color:var(--text-dim-dark);max-width:620px;}
.hero-side{display:flex;flex-direction:column;gap:12px;min-width:240px;}
.hero-side label{font-size:13px;color:var(--text-dim-dark);display:block;margin-bottom:6px;}
.select-wrap{position:relative;}
.select-wrap select{
  width:100%;height:48px;padding:0 40px 0 16px;
  border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.22);
  background:rgba(30,23,48,.85);color:#fff;font-size:15px;font-weight:600;
  appearance:none;-webkit-appearance:none;cursor:pointer;
}
.select-wrap select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,92,40,.22);outline:none;}
.select-wrap::after{
  content:"";position:absolute;right:16px;top:50%;width:8px;height:8px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:translateY(-70%) rotate(45deg);pointer-events:none;
}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--divider);}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:14px 0;font-size:14px;color:var(--ink-dim);}
.crumb a{color:var(--ink-dim);font-weight:600;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C6C1D4;}
.crumb .current{color:var(--brand);font-weight:700;}

/* ============ 通用板块 ============ */
.section{padding:76px 0;}
.section-tight{padding:56px 0;}
.section-head{margin-bottom:36px;max-width:760px;}
.section-head .kicker{
  display:inline-block;margin-bottom:12px;padding:5px 12px;border-radius:var(--pill);
  font-size:13px;font-weight:700;color:var(--brand-deep);background:var(--brand-mist);
}
.section-head h2{
  position:relative;padding-left:16px;font-size:32px;line-height:1.35;font-weight:700;color:var(--ink-text);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:3px;background:var(--grad);
}
.section-head p{margin-top:14px;color:var(--ink-dim);font-size:16px;}
.section-dark{background:var(--ink);color:var(--text-on-dark);}
.section-dark .section-head h2{color:#fff;}
.section-dark .section-head p{color:var(--text-dim-dark);}
.section-dark .section-head .kicker{background:rgba(255,92,40,.16);color:#FFB08C;}

/* ============ 双列大图流 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
.flow-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--divider);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F3D8CC;}
.flow-media{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:var(--panel);}
.flow-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
.flow-card:hover .flow-media img{transform:scale(1.04);}
.flow-tag{
  position:absolute;left:16px;top:16px;z-index:2;
  padding:5px 12px;border-radius:var(--radius-sm);
  font-size:12px;font-weight:700;color:#fff;background:var(--grad);letter-spacing:.3px;
}
.flow-body{padding:24px 24px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.flow-body h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--ink-text);}
.flow-body h3 a{color:inherit;}
.flow-body h3 a:hover{color:var(--brand);}
.flow-desc{
  margin-top:12px;font-size:15px;line-height:1.85;color:var(--ink-dim);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.flow-meta{
  margin-top:auto;padding-top:18px;border-top:1px dashed var(--divider);
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-dim);
}
.flow-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFCADC;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:var(--pill);
  font-size:12px;font-weight:700;background:var(--brand-mist);color:var(--brand-deep);
}
.chip-cyan{background:rgba(18,214,190,.12);color:#0B9E8C;}
.chip-gold{background:rgba(255,197,61,.18);color:#A87400;}
.flow-card.is-wide{grid-column:span 2;flex-direction:row;}
.flow-card.is-wide .flow-media{width:48%;aspect-ratio:auto;min-height:320px;}
.flow-card.is-wide .flow-body{padding:30px 32px;justify-content:center;}
.flow-card.is-wide .flow-body h3{font-size:24px;}
.flow-card.is-wide .flow-desc{-webkit-line-clamp:2;font-size:16px;}

/* 分页 */
.pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:52px;flex-wrap:wrap;}
.pager a,.pager span{
  min-width:44px;height:44px;padding:0 16px;border-radius:var(--pill);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;border:1px solid var(--divider);background:#fff;color:var(--ink-dim);
  transition:all .2s ease;
}
.pager a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.pager .is-current{background:var(--grad);border-color:transparent;color:#fff;box-shadow:var(--glow);}
.pager .is-disabled{opacity:.45;cursor:not-allowed;}

/* ============ 更新节奏 ============ */
.rhythm-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rhythm-card{
  position:relative;padding:28px 24px;border-radius:var(--radius-lg);
  background:var(--panel);border:1px solid var(--line);
  transition:transform .3s ease,border-color .3s ease;
}
.rhythm-card:hover{transform:translateY(-4px);border-color:rgba(255,138,61,.5);}
.rhythm-no{
  font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.rhythm-card h3{margin-top:12px;font-size:19px;font-weight:600;color:#fff;}
.rhythm-card p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--text-dim-dark);}
.rhythm-time{margin-top:16px;display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--cyan);font-variant-numeric:tabular-nums;}

/* ============ 关注榜 ============ */
.rank-list{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--divider);background:#fff;box-shadow:var(--shadow);}
.rank-item{display:flex;align-items:center;gap:20px;padding:20px 24px;border-bottom:1px solid var(--divider);transition:background .2s ease;}
.rank-item:last-child{border-bottom:none;}
.rank-item:hover{background:var(--brand-mist);}
.rank-no{
  flex:0 0 auto;width:40px;height:40px;border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;color:#fff;background:var(--grad);font-variant-numeric:tabular-nums;
}
.rank-main{flex:1 1 auto;min-width:0;}
.rank-main h3{font-size:17px;line-height:1.5;font-weight:600;}
.rank-main h3 a{color:var(--ink-text);}
.rank-main h3 a:hover{color:var(--brand);}
.bar{margin-top:10px;height:10px;border-radius:var(--pill);background:#F0EDF7;overflow:hidden;}
.bar span{display:block;height:100%;border-radius:var(--pill);background:var(--grad);transition:width .6s ease;}
.rank-data{flex:0 0 auto;text-align:right;font-variant-numeric:tabular-nums;}
.rank-data b{display:block;font-size:22px;font-weight:800;color:var(--brand-deep);}
.rank-data small{font-size:12px;color:var(--ink-dim);}

/* ============ 订阅表单 ============ */
.subscribe{
  display:grid;grid-template-columns:1.1fr 1fr;gap:32px;align-items:center;
  padding:36px;border-radius:var(--radius-lg);
  background:#fff;border:1px solid var(--divider);box-shadow:var(--shadow);
}
.subscribe h2{font-size:26px;font-weight:700;line-height:1.4;}
.subscribe p{margin-top:12px;color:var(--ink-dim);font-size:15px;line-height:1.85;}
.sub-form{display:flex;gap:12px;flex-wrap:wrap;}
.sub-form input{
  flex:1 1 200px;height:48px;padding:0 16px;border-radius:var(--radius-sm);
  border:1px solid var(--divider);background:#fff;font-size:15px;color:var(--ink-text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:#A9A3B8;}
.sub-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,92,40,.18);}
.sub-note{margin-top:12px;font-size:13px;color:var(--ink-dim);}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start;}
.accordion{border:none;background:transparent;margin:0;}
.accordion .accordion-item{
  border:1px solid var(--divider);border-radius:var(--radius-lg);background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow);
}
.accordion .accordion-title{
  border:none;padding:18px 24px;font-size:16px;font-weight:600;line-height:1.6;color:var(--ink-text);
  background:#fff;transition:background .2s ease,color .2s ease;
}
.accordion .accordion-title:hover,.accordion .accordion-title:focus{background:var(--brand-mist);color:var(--brand-deep);}
.accordion .accordion-title::before{
  content:"";float:right;width:10px;height:10px;margin-top:8px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .25s ease;
}
.accordion .is-active>.accordion-title::before{transform:rotate(-135deg);}
.accordion .accordion-content{padding:0 24px 20px;border:none;background:#fff;color:var(--ink-dim);font-size:15px;line-height:1.9;}
.accordion .accordion-content p{margin:0;}

/* ============ CTA 带 ============ */
.cta-band{position:relative;overflow:hidden;background:var(--grad);color:#fff;padding:60px 0;}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{font-size:28px;font-weight:800;line-height:1.4;color:#fff;}
.cta-inner p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.9);max-width:640px;}
.cta-band .btn-outline{background:#fff;color:var(--brand-deep);border-color:#fff;}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.9);color:var(--brand-deep);}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.7);}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--text-dim-dark);padding:64px 0 0;border-top:1px solid var(--line);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.site-footer .brand{color:#fff;margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--text-dim-dark);max-width:360px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.4px;}
.footer-col a,.footer-col span{display:block;font-size:14px;line-height:1.9;color:var(--text-dim-dark);margin-bottom:10px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8E87A3;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .header-inner{gap:16px;}
  .main-nav{
    position:fixed;inset:72px 0 0 0;z-index:70;
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    background:rgba(18,13,26,.99);padding:16px 20px 32px;
    overflow-y:auto;transform:translateX(100%);opacity:0;visibility:hidden;
    transition:transform .3s ease,opacity .3s ease,visibility .3s ease;
  }
  .main-nav.is-open{transform:translateX(0);opacity:1;visibility:visible;}
  .nav-link{padding:16px 8px;font-size:17px;border-radius:var(--radius-sm);border-bottom:1px solid var(--line);}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--brand);}
  .nav-drawer-cta{display:block;margin-top:24px;}
  .nav-drawer-cta .btn{width:100%;}
  .nav-toggle{display:flex;}
  .status-tag,.countdown-chip{display:none;}
  .section{padding:60px 0;}
  .page-hero{padding:48px 0 44px;}
  .page-hero h1{font-size:32px;}
  .flow-grid{grid-template-columns:1fr;gap:22px;}
  .flow-card.is-wide{grid-column:span 1;flex-direction:column;}
  .flow-card.is-wide .flow-media{width:100%;aspect-ratio:16/9;min-height:0;}
  .flow-card.is-wide .flow-body{padding:24px;}
  .rhythm-grid{grid-template-columns:1fr;gap:16px;}
  .faq-grid,.subscribe{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  body{font-size:15.5px;}
  .section{padding:48px 0;}
  .section-head h2{font-size:25px;}
  .page-hero h1{font-size:27px;}
  .hero-sub{font-size:15px;}
  .hero-side{min-width:100%;}
  .flow-body{padding:20px;}
  .flow-body h3{font-size:18px;}
  .rank-item{gap:14px;padding:16px;}
  .rank-data b{font-size:19px;}
  .subscribe{padding:24px;}
  .subscribe h2{font-size:22px;}
  .cta-inner h2{font-size:22px;}
  .cta-inner .btn{width:100%;}
  .cta-actions{width:100%;}
  .site-footer{padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .brand-text{font-size:17px;}
  .page-hero h1{font-size:24px;}
  .pager a,.pager span{min-width:40px;height:40px;padding:0 12px;font-size:13px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}