/* roulang page: index */
:root{
  --brand:#FF5A26; --brand-dark:#DD4314; --brand-soft:#FFF1EA;
  --cyan:#0FBF9E; --cyan-soft:#E8FBF5;
  --ink:#17121F; --ink-2:#241C31;
  --paper:#FBF7F2; --card:#FFFFFF; --surface:#F2EBE3;
  --text:#221B2C; --muted:#6E6577; --faint:#A79FB0;
  --line:rgba(23,18,31,.10);
  --line-strong:rgba(23,18,31,.16);
  --s1:0 1px 2px rgba(23,18,31,.06);
  --s2:0 8px 24px -12px rgba(23,18,31,.18);
  --s3:0 24px 48px -24px rgba(23,18,31,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--paper);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
input,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;height:64px;
  transition:background .2s var(--ease),box-shadow .2s var(--ease),backdrop-filter .2s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(251,247,242,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 1px 0 var(--line);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--ink);display:grid;place-items:center;flex:none;
  box-shadow:0 6px 16px -8px rgba(23,18,31,.6);
}
.logo-mark svg{width:15px;height:15px;display:block;}
.logo-text{font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap;color:var(--ink);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.nav-link{
  position:relative;display:inline-block;padding:6px 12px;font-size:14px;color:var(--muted);
  border-radius:9px;transition:color .18s var(--ease),background .18s var(--ease);white-space:nowrap;
}
.nav-link:hover{color:var(--ink);background:rgba(23,18,31,.045);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;background:var(--brand);
}
.nav-right{display:flex;align-items:center;gap:10px;flex:none;}
.icon-btn{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--muted);background:rgba(255,255,255,.6);
  transition:all .18s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(255,90,38,.35);background:#fff;}
.icon-btn svg{width:17px;height:17px;}
.nav-burger{
  display:none;width:38px;height:38px;border-radius:11px;border:1px solid var(--line);
  place-items:center;color:var(--ink);background:rgba(255,255,255,.6);
}
.nav-burger svg{width:20px;height:20px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:12px;font-size:15px;font-weight:600;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 26px -14px rgba(255,90,38,.85);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 18px 40px -18px rgba(255,90,38,.65);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border:1.5px solid rgba(23,18,31,.5);color:var(--ink);background:transparent;}
.btn-ghost:hover{background:rgba(23,18,31,.05);transform:translateY(-1px);}
.btn-light{border:1.5px solid rgba(255,255,255,.42);color:#F7F3EE;background:transparent;}
.btn-light:hover{background:rgba(255,255,255,.10);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
  transition:color .18s var(--ease);
}
.link-more span{transition:transform .2s var(--ease);display:inline-block;}
.link-more:hover{color:var(--brand-dark);}
.link-more:hover span{transform:translateX(3px);}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:500;letter-spacing:.06em;line-height:1;white-space:nowrap;
}
.badge-soon{background:var(--brand);color:#fff;}
.badge-live{background:var(--cyan);color:#fff;}
.badge-live::before{
  content:"";width:6px;height:6px;border-radius:50%;background:#fff;animation:breathe 1.6s infinite var(--ease);
}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.7);}}
.badge-replay{background:rgba(23,18,31,.62);color:#fff;border:1px solid rgba(255,255,255,.4);}
.badge-cat{background:var(--brand-soft);color:var(--brand-dark);}
.badge-soft{background:var(--surface);color:var(--muted);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding-top:120px;padding-bottom:104px;}
.hero::before{
  content:"";position:absolute;top:-200px;right:-160px;width:760px;height:760px;pointer-events:none;
  background:
    radial-gradient(circle at 38% 40%,rgba(255,90,38,.10),rgba(255,90,38,0) 62%),
    radial-gradient(circle at 68% 62%,rgba(15,191,158,.10),rgba(15,191,158,0) 60%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:linear-gradient(rgba(23,18,31,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(23,18,31,.04) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:linear-gradient(to bottom,#000 0%,transparent 72%);
  mask-image:linear-gradient(to bottom,#000 0%,transparent 72%);
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:500;letter-spacing:.06em;
  color:var(--brand-dark);background:var(--brand-soft);border-radius:999px;padding:6px 14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
.hero h1{
  margin-top:22px;font-size:clamp(30px,4.2vw,50px);line-height:1.22;font-weight:700;letter-spacing:-.02em;color:var(--ink);
}
.hero-sub{margin-top:20px;font-size:16px;line-height:1.85;color:var(--muted);max-width:560px;}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-stats{margin-top:40px;display:flex;flex-wrap:wrap;gap:32px;}
.hero-stats li{display:flex;flex-direction:column;gap:2px;}
.hero-stats strong{font-size:20px;font-weight:700;color:var(--ink);line-height:1.4;font-variant-numeric:tabular-nums;}
.hero-stats span{font-size:13px;color:var(--muted);}
.hero-visual{position:relative;}
.hero-cover{
  position:relative;border-radius:24px;overflow:hidden;aspect-ratio:16/9;box-shadow:var(--s3);background:var(--ink);
}
.hero-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.hero-cover::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(to top,rgba(23,18,31,.76),rgba(23,18,31,.10) 58%,rgba(23,18,31,0));
}
.hero-cover:hover img{transform:scale(1.03);}
.hero-badge{position:absolute;top:18px;left:18px;z-index:2;}
.hero-dur{
  position:absolute;right:18px;bottom:18px;z-index:2;font-size:12px;color:rgba(255,255,255,.82);
  background:rgba(23,18,31,.55);border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:4px 12px;
  font-variant-numeric:tabular-nums;
}
.play-btn{
  position:absolute;right:18px;top:50%;transform:translateY(-50%);z-index:2;
  width:56px;height:56px;border-radius:50%;background:#fff;display:grid;place-items:center;
  box-shadow:0 14px 34px -14px rgba(23,18,31,.7);transition:transform .22s var(--ease);
}
.play-btn:hover{transform:translateY(-50%) scale(1.06);}
.play-btn svg{width:18px;height:18px;margin-left:3px;}
.hero-float{
  position:absolute;left:20px;bottom:-30px;z-index:3;width:min(292px,86%);
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 18px;box-shadow:var(--s3);
}
.hero-float-top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.hero-float-title{margin-top:10px;font-size:15px;font-weight:600;color:var(--ink);line-height:1.45;}
.hero-float-meta{margin-top:6px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}
.hero-float-bar{margin-top:14px;height:5px;border-radius:999px;background:var(--surface);overflow:hidden;}
.hero-float-bar i{display:block;height:100%;width:68%;border-radius:999px;background:var(--cyan);}

/* ---------- Sections ---------- */
.section{padding-block:96px;}
.section-tight{padding-block:72px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{font-size:clamp(22px,2.4vw,32px);line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.section-head p{margin-top:10px;font-size:15px;color:var(--muted);max-width:620px;}
.section-ink{background:var(--ink);color:#F7F3EE;}
.section-ink .section-head h2{color:#F7F3EE;}
.section-ink .section-head p{color:rgba(255,255,255,.72);}

/* ---------- Countdown ---------- */
.countdown-panel{
  position:relative;overflow:hidden;background:var(--ink);border-radius:24px;padding:44px 44px 40px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:center;
}
.countdown-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  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:44px 44px;
}
.countdown-panel > *{position:relative;z-index:1;}
.countdown-copy h2{margin-top:14px;font-size:clamp(22px,2.4vw,30px);font-weight:700;color:#F7F3EE;line-height:1.3;}
.countdown-copy p{margin-top:10px;font-size:14px;color:rgba(255,255,255,.72);}
.countdown-grid{display:flex;align-items:stretch;gap:0;margin-top:22px;}
.cd-cell{
  display:flex;flex-direction:column;align-items:center;gap:4px;padding:0 20px;
  border-left:1px solid rgba(255,255,255,.14);
}
.cd-cell:first-child{padding-left:0;border-left:0;}
.cd-num{font-size:clamp(30px,3.4vw,38px);font-weight:700;line-height:1.1;color:var(--cyan);font-variant-numeric:tabular-nums;}
.cd-label{font-size:12px;color:rgba(255,255,255,.6);letter-spacing:.06em;}
.countdown-actions{display:flex;flex-direction:column;gap:12px;min-width:200px;}
.countdown-actions .btn{width:100%;}
.countdown-note{font-size:12px;color:rgba(255,255,255,.55);text-align:center;}

/* ---------- Highlights ---------- */
.highlight-list{border-top:1px solid var(--line);}
.highlight-item{
  display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:20px;align-items:baseline;
  padding:22px 18px 22px 18px;border-bottom:1px solid var(--line);position:relative;
  transition:background .2s var(--ease);
}
.highlight-item::before{
  content:"";position:absolute;left:0;top:-1px;bottom:-1px;width:3px;background:transparent;
  transition:background .2s var(--ease);
}
.highlight-item:hover{background:rgba(255,241,234,.6);}
.highlight-item:hover::before{background:var(--brand);}
.hl-index{font-family:"Songti SC","SimSun",serif;font-size:26px;line-height:1;color:var(--faint);}
.hl-body h3{font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;}
.hl-body p{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.8;}
.hl-time{font-size:13px;color:var(--faint);font-variant-numeric:tabular-nums;white-space:nowrap;}

/* ---------- Subscribe form ---------- */
.subscribe-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:24px;padding:40px;box-shadow:var(--s2);
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:48px;align-items:start;
}
.subscribe-copy h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;color:var(--ink);line-height:1.32;}
.subscribe-copy p{margin-top:12px;font-size:15px;color:var(--muted);}
.subscribe-form{display:flex;flex-direction:column;gap:16px;}
.field-label{font-size:13px;font-weight:600;color:var(--ink);}
.chip-group{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line-strong);
  font-size:14px;color:var(--muted);background:#fff;display:inline-flex;align-items:center;
  transition:all .18s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand-dark);}
.chip.is-on{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-dark);font-weight:600;}
.form-row{display:flex;gap:12px;}
.input{
  flex:1 1 auto;height:48px;border-radius:12px;border:1px solid var(--line-strong);background:#fff;
  padding:0 16px;font-size:15px;color:var(--text);transition:box-shadow .18s var(--ease),border-color .18s var(--ease);
  min-width:0;
}
.input::placeholder{color:var(--faint);}
.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(255,90,38,.45);}
.form-note{font-size:13px;color:var(--faint);line-height:1.7;}
.form-tip{
  display:none;align-items:center;gap:8px;border-radius:12px;padding:12px 14px;font-size:14px;
}
.form-tip.is-ok{display:flex;background:var(--cyan-soft);color:#0B7A65;}
.form-tip.is-err{display:flex;background:#FDECEA;color:#B33027;}

/* ---------- Replay scroll ---------- */
.replay-scroll{
  display:flex;gap:20px;overflow-x:auto;padding-bottom:14px;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.replay-scroll::-webkit-scrollbar{height:8px;}
.replay-scroll::-webkit-scrollbar-thumb{background:rgba(23,18,31,.16);border-radius:999px;}
.replay-scroll::-webkit-scrollbar-track{background:transparent;}
.replay-card{
  flex:0 0 288px;scroll-snap-align:start;background:var(--card);border:1px solid var(--line);border-radius:16px;
  overflow:hidden;box-shadow:var(--s1);transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.replay-card:hover{transform:translateY(-2px);box-shadow:var(--s2);}
.replay-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface);}
.replay-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.replay-card:hover .replay-thumb img{transform:scale(1.03);}
.replay-dur{
  position:absolute;right:10px;bottom:10px;font-size:12px;color:#fff;background:rgba(23,18,31,.68);
  border-radius:6px;padding:2px 8px;font-variant-numeric:tabular-nums;
}
.replay-body{padding:16px;}
.replay-body h3{
  font-size:15px;font-weight:600;color:var(--ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:45px;
}
.replay-foot{margin-top:12px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--faint);}
.replay-foot svg{width:14px;height:14px;color:var(--brand);transition:transform .2s var(--ease);}
.replay-card:hover .replay-foot svg{transform:translateX(3px);}

/* ---------- Card grids ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--s1);
  display:flex;flex-direction:column;transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--s2);}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface);}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-thumb .badge{position:absolute;top:12px;left:12px;}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--faint);font-variant-numeric:tabular-nums;}
.card-body h3{font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;}
.card-body p{
  font-size:14px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--brand);font-weight:600;}
.card-foot svg{width:14px;height:14px;transition:transform .2s var(--ease);}
.card:hover .card-foot svg{transform:translateX(3px);}

/* ---------- CMS news list ---------- */
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--s1);
  padding:22px;display:flex;flex-direction:column;gap:12px;position:relative;overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.news-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand);opacity:0;transition:opacity .2s var(--ease);}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--s2);}
.news-card:hover::before{opacity:1;}
.news-card-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.news-card h3{
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:14px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--faint);font-variant-numeric:tabular-nums;}
.news-card-foot a{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:4px;}
.empty-state{
  grid-column:1/-1;border:1px dashed var(--line-strong);border-radius:16px;background:rgba(255,255,255,.6);
  padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state svg{width:40px;height:40px;color:var(--faint);margin:0 auto 14px;}
.empty-state p{font-size:15px;}
.empty-state .btn{margin-top:20px;}

/* ---------- Trust bar ---------- */
.trust{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-radius:16px;background:var(--card);border:1px solid var(--line);overflow:hidden;}
.trust li{padding:28px 24px;border-left:1px solid var(--line);text-align:left;}
.trust li:first-child{border-left:0;}
.trust strong{display:block;font-size:28px;font-weight:700;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums;}
.trust span{display:block;margin-top:6px;font-size:12px;color:var(--muted);letter-spacing:.06em;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:background .18s var(--ease),border-color .18s var(--ease);
}
.faq-item:hover{background:#FFFCF9;border-color:rgba(255,90,38,.28);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  position:relative;flex:none;width:20px;height:20px;transition:transform .25s var(--ease);color:var(--brand);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:9px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px;}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--muted);}
.faq-body p{margin:0;}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;background:var(--ink-2);border-radius:24px;padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:40px 40px;
}
.cta-panel > *{position:relative;z-index:1;}
.cta-panel h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;color:#F7F3EE;line-height:1.3;}
.cta-panel p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.72);max-width:620px;}
.cta-panel .btn{flex:none;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{background:var(--brand);}
.footer-brand span{font-size:15px;font-weight:700;color:#F7F3EE;}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.footer-col h3{font-size:14px;font-weight:600;color:var(--cyan);margin-bottom:16px;letter-spacing:.02em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s var(--ease);}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-contact{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:20px 0 26px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:#fff;}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,18,31,.48);opacity:0;visibility:hidden;z-index:70;
  transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;background:var(--paper);z-index:80;
  transform:translateX(102%);transition:transform .28s var(--ease);padding:22px 22px 30px;
  display:flex;flex-direction:column;gap:22px;overflow-y:auto;box-shadow:-24px 0 60px -30px rgba(23,18,31,.6);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink);}
.drawer-close svg{width:18px;height:18px;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  padding:12px 14px;border-radius:12px;font-size:15px;color:var(--ink);
  border:1px solid transparent;transition:background .18s var(--ease),border-color .18s var(--ease);
}
.drawer-nav a:hover{background:#fff;border-color:var(--line);}
.drawer-nav a.is-active{background:var(--brand-soft);border-color:rgba(255,90,38,.3);color:var(--brand-dark);font-weight:600;}
.drawer-search{display:flex;gap:10px;}
.drawer-note{font-size:13px;color:var(--muted);line-height:1.75;}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-burger{display:grid;}
  .nav-right .icon-btn{display:none;}
  .hero{padding-top:100px;padding-bottom:88px;}
  .hero-grid{grid-template-columns:1fr;gap:56px;}
  .hero-float{position:static;width:100%;margin-top:20px;}
  .section{padding-block:72px;}
  .section-tight{padding-block:56px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .countdown-panel{grid-template-columns:1fr;gap:28px;padding:36px 28px;}
  .countdown-actions{flex-direction:row;flex-wrap:wrap;min-width:0;}
  .countdown-actions .btn{width:auto;flex:1 1 160px;}
  .subscribe-wrap{grid-template-columns:1fr;gap:28px;padding:32px 26px;}
  .trust{grid-template-columns:repeat(2,minmax(0,1fr));}
  .trust li:nth-child(3){border-left:0;}
  .trust li:nth-child(n+3){border-top:1px solid var(--line);}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:36px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-about{max-width:none;}
}
@media (max-width:767px){
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .highlight-item{grid-template-columns:44px minmax(0,1fr);gap:14px;}
  .hl-time{grid-column:2;font-size:12px;}
  .hl-index{font-size:22px;}
}
@media (max-width:639px){
  .container{padding-inline:16px;}
  .site-header{height:56px;}
  .nav-inner{height:56px;}
  .logo-text{font-size:14px;}
  .hero{padding-top:88px;padding-bottom:72px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:22px;}
  .section{padding-block:56px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .cd-cell{padding:0 14px;}
  .replay-scroll{margin-right:-16px;padding-right:16px;}
  .replay-card{flex:0 0 78vw;}
  .form-row{flex-direction:column;}
  .form-row .btn{width:100%;}
  .trust{grid-template-columns:1fr;}
  .trust li{border-left:0;border-top:1px solid var(--line);padding:22px;}
  .trust li:first-child{border-top:0;}
  .cta-panel{padding:30px 22px;}
  .cta-panel .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .hero-cover:hover img,.card:hover .card-thumb img,.replay-card:hover .replay-thumb img{transform:none !important;}
  .card:hover,.replay-card:hover,.news-card:hover{transform:none !important;}
}

/* roulang page: article */
:root{
    --flame:#FF5A26; --flame-deep:#DD4314; --flame-soft:#FFF1EA;
    --cyan:#0FBF9E; --cyan-soft:#E8FBF5;
    --ink:#17121F; --ink-2:#241C31;
    --paper:#FBF7F2; --card:#FFFFFF; --surface:#F2EBE3;
    --line:rgba(23,18,31,.10);
    --text:#221B2C; --text-2:#6E6577; --text-3:#A79FB0;
    --ok:#12A67A; --warn:#E0A32B; --err:#D9453B;
    --r-btn:12px; --r-img:14px; --r-card:16px; --r-lg:24px;
    --s1:0 1px 2px rgba(23,18,31,.06);
    --s2:0 8px 24px -12px rgba(23,18,31,.18);
    --s3:0 24px 48px -24px rgba(23,18,31,.28);
    --ease:200ms cubic-bezier(.2,.7,.3,1);
  }
  *{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;background:var(--paper);color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input{font-family:inherit}
  ul,ol{margin:0}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
  :focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;height:64px;display:flex;align-items:center;
    background:rgba(251,247,242,.88);backdrop-filter:blur(12px);
    border-bottom:1px solid transparent;transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
  }
  .site-header.is-scrolled{background:rgba(251,247,242,.95);border-bottom-color:var(--line);box-shadow:var(--s1)}
  .nav-inner{display:flex;align-items:center;gap:28px;height:64px}
  .logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.01em;flex-shrink:0}
  .logo-mark{width:32px;height:32px;border-radius:10px;background:var(--ink);display:grid;place-items:center;flex-shrink:0}
  .logo-mark svg{width:18px;height:18px}
  .logo-text{font-size:16px;white-space:nowrap}
  .nav-links{display:flex;align-items:center;gap:24px;list-style:none;margin:0;padding:0;flex:1}
  .nav-link{position:relative;display:inline-block;font-size:14px;font-weight:500;color:var(--text-2);padding:6px 0;transition:color var(--ease)}
  .nav-link:hover{color:var(--text)}
  .nav-link.is-active{color:var(--text);font-weight:600}
  .nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--flame)}
  .nav-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .icon-btn{
    width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;
    color:var(--text-2);display:grid;place-items:center;cursor:pointer;transition:var(--ease);
  }
  .icon-btn svg{width:18px;height:18px}
  .icon-btn:hover{border-color:var(--flame);color:var(--flame)}
  .nav-burger{
    display:none;width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--line);
    background:#fff;color:var(--text);place-items:center;cursor:pointer;
  }
  .nav-burger svg{width:22px;height:22px}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;
    border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
    transition:var(--ease);white-space:nowrap;
  }
  .btn-sm{height:38px;padding:0 16px;font-size:14px}
  .btn-primary{background:var(--flame);color:#fff;box-shadow:0 8px 20px -12px rgba(255,90,38,.75)}
  .btn-primary:hover{background:var(--flame-deep);transform:translateY(-1px);box-shadow:0 14px 30px -14px rgba(255,90,38,.65)}
  .btn-primary:active{transform:none}
  .btn-outline{background:transparent;border:1.5px solid var(--ink);color:var(--ink)}
  .btn-outline:hover{background:rgba(23,18,31,.05)}
  .btn-text{border:none;background:none;padding:0;height:auto;color:var(--flame-deep);font-weight:600;font-size:14px}
  .btn-text:hover{color:var(--flame)}
  .link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--flame-deep);transition:var(--ease)}
  .link-more svg{width:16px;height:16px;transition:transform var(--ease)}
  .link-more:hover{color:var(--flame)}
  .link-more:hover svg{transform:translateX(3px)}

  /* ---------- drawer ---------- */
  .drawer-mask{position:fixed;inset:0;background:rgba(23,18,31,.48);opacity:0;visibility:hidden;transition:var(--ease);z-index:60}
  .drawer-mask.is-open{opacity:1;visibility:visible}
  .drawer{
    position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;background:var(--paper);z-index:70;
    transform:translateX(100%);transition:transform .25s cubic-bezier(.2,.7,.3,1);padding:22px;overflow-y:auto;
  }
  .drawer.is-open{transform:none}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
  .drawer nav ul{list-style:none;padding:0;margin:18px 0 24px;display:flex;flex-direction:column;gap:6px}
  .drawer nav a{display:block;padding:12px 14px;border-radius:var(--r-btn);font-size:15px;color:var(--text-2);transition:var(--ease)}
  .drawer nav a:hover{background:var(--surface);color:var(--text)}
  .drawer nav a.is-active{background:var(--flame-soft);color:var(--flame-deep);font-weight:600}
  .drawer .btn{width:100%}
  .drawer-note{font-size:13px;color:var(--text-3);line-height:1.7;margin:14px 0 0}

  /* ---------- breadcrumb ---------- */
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin:24px 0 16px}
  .breadcrumb a{color:var(--text-2);transition:var(--ease)}
  .breadcrumb a:hover{color:var(--flame-deep)}
  .breadcrumb .sep{color:var(--text-3)}
  .breadcrumb .current{color:var(--text);max-width:19em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

  /* ---------- article layout ---------- */
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start;padding-bottom:80px}
  .article-header{padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:34px}
  .badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:500;letter-spacing:.06em}
  .badge-flame{background:var(--flame-soft);color:var(--flame-deep)}
  .badge-ink{background:var(--ink);color:#fff}
  .badge-cyan{background:var(--cyan-soft);color:#0A8D75}
  .article-title{
    font-size:clamp(26px,3.6vw,40px);line-height:1.3;font-weight:700;letter-spacing:-.02em;
    margin:16px 0 18px;max-width:820px;
  }
  .meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:13px;color:var(--text-2)}
  .meta-line .dot{color:var(--text-3)}
  .meta-line time{font-variant-numeric:tabular-nums}

  /* ---------- article body ---------- */
  .article-body{max-width:760px;font-size:17px;line-height:1.9;color:var(--text)}
  .article-body p{margin:0 0 1.15em}
  .article-body h2{
    font-size:clamp(21px,2.2vw,26px);line-height:1.35;font-weight:700;letter-spacing:-.01em;
    margin:2.2em 0 .6em;padding-left:14px;border-left:4px solid var(--flame);
  }
  .article-body h3{font-size:18px;font-weight:600;line-height:1.45;margin:1.6em 0 .5em}
  .article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.2em;line-height:1.85}
  .article-body li{margin-bottom:.4em}
  .article-body blockquote{
    margin:1.6em 0;padding:20px;background:var(--cyan-soft);border-left:4px solid var(--cyan);
    border-radius:0 var(--r-btn) var(--r-btn) 0;color:#1F5E50;
  }
  .article-body img{border-radius:var(--r-img);margin:1.5em 0 .7em}
  .article-body figure{margin:1.6em 0}
  .article-body figcaption{font-size:13px;color:var(--text-2);text-align:center;margin-top:10px}
  .article-body table{
    width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
    display:block;overflow-x:auto;white-space:nowrap;
  }
  .article-body th{background:var(--surface);text-align:left;font-weight:600}
  .article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line)}
  .article-body code{background:var(--flame-soft);color:var(--flame-deep);padding:2px 6px;border-radius:6px;font-size:.92em}
  .article-body a{color:var(--flame-deep);border-bottom:1px solid rgba(221,67,20,.3);transition:var(--ease)}
  .article-body a:hover{border-bottom-color:var(--flame)}
  .article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0}

  /* ---------- sidebar ---------- */
  .article-side{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
  .widget{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--s1)}
  .widget h3{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;margin:0 0 14px;letter-spacing:.02em}
  .widget h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--flame)}
  .toc-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px;font-size:14px}
  .toc-list a{color:var(--text-2);line-height:1.6;transition:var(--ease)}
  .toc-list a:hover{color:var(--flame-deep)}
  .mini-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:14px}
  .mini-list li{padding-bottom:14px;border-bottom:1px solid var(--line)}
  .mini-list li:last-child{padding-bottom:0;border-bottom:none}
  .mini-list a{display:block;font-size:14px;line-height:1.6;color:var(--text);transition:var(--ease)}
  .mini-list a:hover{color:var(--flame-deep)}
  .mini-list time{display:block;margin-top:6px;font-size:12px;color:var(--text-3)}
  .tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
  .tag{
    display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
    background:var(--surface);font-size:13px;color:var(--text-2);transition:var(--ease);
  }
  .tag:hover{background:var(--flame-soft);color:var(--flame-deep)}

  /* ---------- article footer blocks ---------- */
  .article-tags{display:flex;flex-wrap:wrap;gap:10px;margin:44px 0 0;padding-top:26px;border-top:1px solid var(--line)}
  .article-tags .tag{background:#fff;border:1px solid var(--line)}
  .post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
  .post-nav a{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:16px 18px;transition:var(--ease)}
  .post-nav a:hover{border-color:var(--flame);box-shadow:var(--s2);transform:translateY(-2px)}
  .post-nav span{display:block;font-size:12px;color:var(--text-3);margin-bottom:6px}
  .post-nav strong{font-size:15px;font-weight:600;line-height:1.5}
  .post-nav .right{text-align:right}

  /* ---------- related ---------- */
  .related-section{padding-bottom:96px}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
  .section-head h2{font-size:clamp(20px,2.2vw,28px);font-weight:700;letter-spacing:-.01em;margin:0}
  .section-head p{margin:6px 0 0;font-size:14px;color:var(--text-2)}
  .card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
  .card{
    display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
    border-radius:var(--r-card);overflow:hidden;box-shadow:var(--s1);transition:var(--ease);
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--s2),0 18px 40px -18px rgba(255,90,38,.30)}
  .card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink)}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s cubic-bezier(.2,.7,.3,1)}
  .card:hover .card-media img{transform:scale(1.03)}
  .card-media .badge{position:absolute;left:12px;top:12px}
  .card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
  .card-body h3{font-size:17px;font-weight:600;line-height:1.5;margin:0}
  .card-body p{
    margin:0;font-size:14px;line-height:1.7;color:var(--text-2);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .card-meta{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:auto;padding-top:8px;font-size:12px;color:var(--text-3)}
  .card-meta time{font-variant-numeric:tabular-nums}

  /* ---------- empty ---------- */
  .empty-state{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:64px 32px;text-align:center;margin:40px 0 96px;box-shadow:var(--s1);
  }
  .empty-icon{
    width:64px;height:64px;border-radius:20px;background:var(--surface);color:var(--text-3);
    display:grid;place-items:center;margin:0 auto 20px;
  }
  .empty-icon svg{width:28px;height:28px}
  .empty-state h2{font-size:22px;font-weight:700;margin:0 0 10px}
  .empty-state p{color:var(--text-2);margin:0 0 24px;font-size:15px}

  /* ---------- cta ---------- */
  .cta-band{
    position:relative;overflow:hidden;background:var(--ink-2);border-radius:var(--r-lg);
    padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;margin-bottom:96px;
    border:1px solid rgba(255,255,255,.08);
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
    background-size:36px 36px;
  }
  .cta-band > *{position:relative;z-index:1}
  .cta-band h2{color:#F7F3EE;font-size:clamp(20px,2.4vw,26px);font-weight:700;letter-spacing:-.01em;margin:0 0 8px}
  .cta-band p{color:rgba(255,255,255,.72);margin:0;font-size:15px;max-width:560px}

  /* ---------- footer ---------- */
  .site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 24px}
  .footer-grid{display:grid;grid-template-columns:1.9fr 1fr 1fr 1.2fr;gap:40px}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff;margin-bottom:14px}
  .footer-brand .logo-mark{background:rgba(255,255,255,.10)}
  .footer-about{font-size:14px;line-height:1.85;max-width:360px;margin:0}
  .footer-col h3{font-size:14px;font-weight:600;color:var(--cyan);margin:0 0 16px}
  .footer-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
  .footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:var(--ease)}
  .footer-col a:hover{color:#fff;text-decoration:underline}
  .footer-contact{font-size:14px;line-height:1.95;margin:0}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
    margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
    font-size:12px;color:rgba(255,255,255,.55);
  }
  .footer-bottom a{color:rgba(255,255,255,.7)}
  .footer-bottom a:hover{color:#fff}

  /* ---------- responsive ---------- */
  @media (max-width:1279px){
    .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:40px}
  }
  @media (max-width:1023px){
    .nav-links{display:none}
    .nav-burger{display:grid}
    .nav-inner{gap:16px}
    .logo-text{font-size:15px}
    .article-layout{grid-template-columns:1fr;gap:40px}
    .article-side{position:static}
    .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .related-section{padding-bottom:72px}
    .cta-band{margin-bottom:72px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  }
  @media (max-width:639px){
    .container{padding:0 16px}
    .site-header{height:56px}
    .nav-inner{height:56px}
    .nav-right .icon-btn{display:none}
    .logo-mark{width:28px;height:28px;border-radius:9px}
    .article-body{font-size:16px}
    .article-title{margin:14px 0 16px}
    .card-grid{grid-template-columns:1fr}
    .post-nav{grid-template-columns:1fr}
    .post-nav .right{text-align:left}
    .cta-band{flex-direction:column;align-items:flex-start;padding:28px;border-radius:20px}
    .cta-band .btn{width:100%}
    .empty-state{padding:48px 20px;margin:24px 0 72px}
    .footer-grid{grid-template-columns:1fr;gap:28px}
    .footer-bottom{flex-direction:column;align-items:flex-start}
    .related-section{padding-bottom:56px}
    .cta-band{margin-bottom:56px}
  }
  @media (prefers-reduced-motion: reduce){
    *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
    .card:hover,.post-nav a:hover,.btn-primary:hover{transform:none}
    .card:hover .card-media img{transform:none}
  }

/* roulang page: category1 */
:root{
  --brand:#FF5A26; --brand-deep:#DD4314; --brand-soft:#FFF1EA;
  --aqua:#0FBF9E; --aqua-deep:#0A8C74; --aqua-soft:#E8FBF5;
  --ink:#17121F; --ink-2:#241C31;
  --bg:#FBF7F2; --card:#FFFFFF; --surface:#F2EBE3;
  --line:rgba(23,18,31,.10); --line-strong:rgba(23,18,31,.18);
  --text:#221B2C; --text-2:#6E6577; --text-3:#A79FB0;
  --dark-text:#F7F3EE; --dark-text-2:rgba(255,255,255,.72);
  --r-btn:12px; --r-card:16px; --r-panel:24px; --r-pill:999px;
  --s1:0 1px 2px rgba(23,18,31,.06);
  --s2:0 8px 24px -12px rgba(23,18,31,.18);
  --s3:0 24px 48px -24px rgba(23,18,31,.28);
  --glow:0 18px 40px -18px rgba(255,90,38,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--aqua);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--s1)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--glow)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--s1)}
.btn-ghost{background:transparent;color:var(--text);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--surface)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-deep);
}
.text-link svg{transition:transform .2s var(--ease)}
.text-link:hover svg{transform:translateX(3px)}
.text-link:hover{color:var(--brand)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:500;letter-spacing:.06em;line-height:1;
}
.badge-brand{background:var(--brand-soft);color:var(--brand-deep)}
.badge-aqua{background:var(--aqua-soft);color:var(--aqua-deep)}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--text-2);letter-spacing:.02em}
.badge-dark{background:rgba(255,255,255,.10);color:var(--dark-text);border:1px solid rgba(255,255,255,.18)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),backdrop-filter .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(251,247,242,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:34px;height:64px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--ink);
  display:grid;place-items:center;flex-shrink:0;
}
.logo-mark svg{width:17px;height:17px}
.logo-text{font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;
  font-size:14.5px;color:var(--text-2);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--text-2);background:#fff;
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{border-color:var(--line-strong);color:var(--text);transform:translateY(-1px)}
.nav-burger{
  display:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  align-items:center;justify-content:center;background:#fff;color:var(--text);
}
.nav-burger svg{width:20px;height:20px}

/* 移动抽屉 */
.nav-overlay{
  position:fixed;inset:0;background:rgba(23,18,31,.48);z-index:60;
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
.nav-overlay.open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;z-index:70;
  background:#fff;padding:22px 20px 32px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s var(--ease);
  box-shadow:var(--s3);
}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-head span{font-size:15px;font-weight:700}
.drawer-close{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;color:var(--text-2)}
.drawer-close svg{width:16px;height:16px}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-bottom:22px}
.drawer-links a{
  display:block;padding:13px 12px;border-radius:10px;font-size:15px;color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-links a:hover{background:var(--surface);color:var(--text)}
.drawer-links a.is-active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600}
.drawer-note{font-size:13px;color:var(--text-3);line-height:1.7;margin-top:16px}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:26px 0 16px;font-size:13px;color:var(--text-2);
}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--text-3);max-width:18ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;padding-bottom:24px;
  background:
    radial-gradient(680px 340px at 88% -12%, rgba(15,191,158,.08), transparent 70%),
    radial-gradient(560px 320px at 6% 8%, rgba(255,90,38,.07), transparent 72%),
    var(--bg);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.04;
  background-image:linear-gradient(to right, var(--ink) 1px, transparent 1px),
                   linear-gradient(to bottom, var(--ink) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg, #000 0%, transparent 78%);
  -webkit-mask-image:linear-gradient(180deg, #000 0%, transparent 78%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;padding:16px 0 64px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--aqua);box-shadow:0 0 0 4px rgba(15,191,158,.16)}
.h1{
  font-size:clamp(30px,4.2vw,50px);line-height:1.22;font-weight:700;
  letter-spacing:-.02em;color:var(--text);
}
.lead{
  margin-top:20px;font-size:16.5px;line-height:1.85;color:var(--text-2);
  max-width:640px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-mini{
  display:flex;flex-wrap:wrap;gap:32px;margin-top:38px;padding-top:24px;
  border-top:1px solid var(--line);
}
.hero-mini .num{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink)}
.hero-mini .num.aqua{color:var(--aqua-deep)}
.hero-mini .lbl{font-size:13px;color:var(--text-2);margin-top:2px}
.hero-media{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  box-shadow:var(--s3);border:1px solid var(--line);background:var(--ink);
}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(23,18,31,.05) 0%, rgba(23,18,31,.62) 100%);
}
.hero-media-tag{position:absolute;top:18px;left:18px;z-index:2}
.hero-media-cap{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:var(--dark-text);
  font-size:14px;line-height:1.6;
}
.hero-media-cap strong{display:block;font-size:16px;font-weight:600;margin-bottom:4px}
.hero-float{
  position:absolute;z-index:3;right:-14px;bottom:-18px;background:#fff;border-radius:14px;
  border:1px solid var(--line);box-shadow:var(--s2);padding:14px 18px;text-align:left;
}
.hero-float .fnum{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--brand)}
.hero-float .flbl{font-size:12px;color:var(--text-2);letter-spacing:.04em}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:28px;
  margin-bottom:38px;flex-wrap:wrap;
}
.h2{font-size:clamp(22px,2.4vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
.h2 .deco{color:var(--brand)}
.section-sub{margin-top:12px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:660px}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:38px;max-width:880px}
.timeline::before{
  content:"";position:absolute;left:11px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg, var(--brand) 0%, rgba(255,90,38,.45) 45%, rgba(15,191,158,.55) 100%);
  border-radius:2px;
}
.tl-item{position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:7px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(255,90,38,.10);
}
.tl-item:nth-child(n+5)::before{border-color:var(--aqua);box-shadow:0 0 0 4px rgba(15,191,158,.12)}
.tl-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.tl-num{
  font-family:"Songti SC","SimSun",serif;font-size:15px;font-weight:700;color:var(--brand);
  letter-spacing:.04em;
}
.tl-title{font-size:18px;font-weight:600;line-height:1.45}
.tl-text{margin-top:8px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:700px}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tl-tip{
  margin-top:12px;display:flex;gap:10px;align-items:flex-start;
  background:var(--aqua-soft);border-left:4px solid var(--aqua);
  border-radius:10px;padding:12px 16px;font-size:13.5px;color:#0b5c4d;max-width:700px;
}

/* ---------- 清单 ---------- */
.check-list{max-width:900px;border-top:1px solid var(--line)}
.check-item{display:flex;gap:16px;padding:20px 4px;border-bottom:1px solid var(--line);transition:background .2s var(--ease)}
.check-item:hover{background:#fff}
.check-ico{
  width:26px;height:26px;border-radius:50%;background:var(--aqua-soft);color:var(--aqua-deep);
  display:grid;place-items:center;flex-shrink:0;margin-top:4px;
}
.check-ico svg{width:14px;height:14px}
.check-title{font-size:16px;font-weight:600}
.check-desc{margin-top:4px;font-size:14.5px;line-height:1.8;color:var(--text-2)}

/* ---------- 卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--s1);padding:26px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--s2);border-color:var(--line-strong)}
.card-title{font-size:17px;font-weight:600;line-height:1.45}
.card-text{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--text-2)}
.card-foot{margin-top:18px}
.media-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--s1);display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.media-card:hover{transform:translateY(-2px);box-shadow:var(--s2)}
.media-card .thumb{overflow:hidden;aspect-ratio:16/9;background:var(--surface)}
.media-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.media-card:hover .thumb img{transform:scale(1.03)}
.media-card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.media-card .body .card-foot{margin-top:auto}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat{padding:30px 8px 30px 0}
.stat + .stat{border-left:1px solid var(--line);padding-left:28px}
.stat-num{font-size:28px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.1;color:var(--ink)}
.stat-num small{font-size:15px;font-weight:600;margin-left:2px;color:var(--text-2)}
.stat-lbl{margin-top:8px;font-size:12px;letter-spacing:.06em;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.faq-item:hover{background:#FEFCFA}
.faq-item.open{border-color:rgba(255,90,38,.32)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:600;line-height:1.5;color:var(--text);
}
.faq-ico{
  width:20px;height:20px;flex-shrink:0;color:var(--brand);
  transition:transform .25s var(--ease);position:relative;
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-ico::before{width:14px;height:2px}
.faq-ico::after{width:2px;height:14px}
.faq-item.open .faq-ico{transform:rotate(45deg)}
.faq-a{display:none;padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:760px}
.faq-item.open .faq-a{display:block}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:var(--dark-text);
  border-radius:var(--r-panel);padding:48px 52px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.04;
  background-image:linear-gradient(to right,#fff 1px,transparent 1px),
                   linear-gradient(to bottom,#fff 1px,transparent 1px);
  background-size:48px 48px;
}
.cta-copy{position:relative;z-index:1;max-width:620px}
.cta-title{font-size:clamp(20px,2.2vw,28px);font-weight:700;line-height:1.35;letter-spacing:-.01em}
.cta-sub{margin-top:12px;font-size:15px;line-height:1.8;color:var(--dark-text-2)}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--dark-text);margin-top:96px;padding:68px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700}
.footer-brand .logo-mark{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.14)}
.footer-about{margin-top:18px;font-size:14px;line-height:1.85;color:var(--dark-text-2);max-width:360px}
.footer-col h3{
  font-size:14px;font-weight:600;color:var(--aqua);letter-spacing:.06em;margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul a{font-size:14px;color:var(--dark-text-2)}
.footer-col ul a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact{font-size:14px;line-height:1.9;color:var(--dark-text-2)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-grid{gap:40px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-burger{display:flex}
  .section{padding:72px 0}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding-bottom:56px}
  .hero-float{right:14px;bottom:-14px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
  .site-footer{margin-top:72px}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .nav-inner{height:56px;gap:12px}
  .logo-text{font-size:15px}
  .nav-right .btn-sm{display:none}
  .section{padding:56px 0}
  .h1{font-size:clamp(27px,7.6vw,36px)}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{padding:22px 8px 22px 0}
  .stat + .stat{border-left:1px solid var(--line);padding-left:18px}
  .stat:nth-child(odd){border-left:0;padding-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .timeline{padding-left:28px}
  .timeline::before{left:6px}
  .tl-item::before{left:-27px}
  .hero-mini{gap:22px}
  .cta-band{padding:32px 22px;border-radius:var(--r-card)}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{margin-top:32px}
  .site-footer{padding-top:52px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;animation-iteration-count:1 !important}
  .card:hover,.media-card:hover,.btn-primary:hover{transform:none}
  .media-card:hover .thumb img{transform:none}
}

/* roulang page: category2 */
:root{
  --flame:#FF5A26; --flame-deep:#DD4314; --flame-soft:#FFF1EA;
  --elec:#0FBF9E; --elec-soft:#E8FBF5;
  --ink:#17121F; --ink-2:#241C31;
  --paper:#FBF7F2; --card:#FFFFFF; --paper-2:#F2EBE3;
  --t1:#221B2C; --t2:#6E6577; --t3:#A79FB0;
  --line:rgba(23,18,31,.10);
  --ok:#12A67A; --warn:#E0A32B; --err:#D9453B;
  --r-btn:12px; --r-card:16px; --r-big:24px;
  --s1:0 1px 2px rgba(23,18,31,.06);
  --s2:0 8px 24px -12px rgba(23,18,31,.18);
  --s3:0 24px 48px -24px rgba(23,18,31,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:2px solid var(--elec);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;transition:background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);border-bottom:1px solid transparent;}
.site-header.is-scrolled{background:rgba(251,247,242,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom-color:var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.01em;white-space:nowrap;}
.logo-mark{width:30px;height:30px;border-radius:9px;background:var(--ink);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;}
.logo-mark svg{width:18px;height:18px;}
.logo-text{color:var(--t1);}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{position:relative;font-size:15px;color:var(--t2);padding:6px 0;transition:color .2s var(--ease);}
.nav-link:hover{color:var(--t1);}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--flame);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);}
.nav-link:hover::after{transform:scaleX(.6);}
.nav-link.is-active{color:var(--t1);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;}
.icon-btn{width:38px;height:38px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;color:var(--t2);border:1px solid var(--line);background:rgba(255,255,255,.6);transition:all .2s var(--ease);}
.icon-btn:hover{color:var(--t1);background:#fff;box-shadow:var(--s1);}
.icon-btn svg{width:18px;height:18px;}
.nav-burger{display:none;width:40px;height:40px;border-radius:11px;align-items:center;justify-content:center;color:var(--t1);border:1px solid var(--line);background:rgba(255,255,255,.7);}
.nav-burger svg{width:22px;height:22px;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-primary{background:var(--flame);color:#fff;box-shadow:0 10px 24px -14px rgba(255,90,38,.7);}
.btn-primary:hover{background:var(--flame-deep);transform:translateY(-1px);box-shadow:0 16px 32px -14px rgba(255,90,38,.75);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--t1);border:1.5px solid rgba(23,18,31,.35);}
.btn-ghost:hover{background:rgba(23,18,31,.05);border-color:var(--t1);}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--flame);}
.btn-text svg{width:16px;height:16px;transition:transform .2s var(--ease);}
.btn-text:hover svg{transform:translateX(3px);}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:500;letter-spacing:.06em;line-height:1;}
.badge-flame{background:var(--flame);color:#fff;}
.badge-elec{background:var(--elec);color:#fff;}
.badge-soft{background:var(--flame-soft);color:var(--flame-deep);}
.badge-outline{border:1px solid rgba(255,255,255,.45);color:#fff;background:rgba(23,18,31,.35);}
.badge-ink{background:rgba(23,18,31,.06);color:var(--t2);}
.badge-ok{background:var(--elec-soft);color:var(--ok);}
.badge-warn{background:#FBF2DD;color:#9A6E14;}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:500;letter-spacing:.06em;color:var(--flame-deep);background:var(--flame-soft);border-radius:999px;padding:6px 12px;}

/* ---------- breadcrumb ---------- */
.crumb-wrap{padding-top:24px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t2);}
.crumb a{color:var(--t2);}
.crumb a:hover{color:var(--flame);}
.crumb .sep{color:var(--t3);}
.crumb .current{color:var(--t3);max-width:18ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:40px 0 88px;}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(23,18,31,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(23,18,31,.04) 1px,transparent 1px);background-size:48px 48px;pointer-events:none;}
.hero::after{content:"";position:absolute;top:-140px;right:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(15,191,158,.08),transparent 68%);pointer-events:none;}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.12fr);gap:56px;align-items:center;padding-top:40px;}
.hero h1{font-size:clamp(30px,4.2vw,50px);line-height:1.22;font-weight:700;letter-spacing:-.02em;margin:18px 0 18px;}
.hero h1 .accent{color:var(--flame);}
.hero-sub{font-size:16px;line-height:1.85;color:var(--t2);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line);}
.hero-stat .num{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--t1);}
.hero-stat .num em{font-style:normal;color:var(--elec);}
.hero-stat .lbl{font-size:13px;color:var(--t2);margin-top:2px;}

.hero-visual{position:relative;}
.hero-media{position:relative;border-radius:var(--r-big);overflow:hidden;box-shadow:var(--s3);aspect-ratio:16/10;background:var(--ink);}
.hero-media img{width:100%;height:100%;object-fit:cover;transform:scale(1.01);transition:transform .5s var(--ease);}
.hero-media:hover img{transform:scale(1.04);}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,18,31,.05) 0%,rgba(23,18,31,.62) 100%);}
.hero-media .media-top{position:absolute;top:16px;left:16px;display:flex;gap:8px;z-index:2;}
.hero-media .media-bottom{position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#F7F3EE;}
.hero-media .media-bottom h3{font-size:18px;font-weight:600;line-height:1.45;}
.hero-media .media-bottom p{font-size:13px;color:rgba(255,255,255,.72);margin-top:4px;}
.float-card{position:absolute;left:-24px;bottom:-28px;background:#fff;border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--s3);padding:16px 18px;min-width:212px;}
.float-card .fc-label{font-size:12px;letter-spacing:.06em;color:var(--t2);}
.float-card .fc-value{display:flex;align-items:baseline;gap:6px;margin-top:6px;font-variant-numeric:tabular-nums;}
.float-card .fc-value b{font-size:30px;font-weight:700;color:var(--ink);line-height:1;}
.float-card .fc-value span{font-size:13px;color:var(--t2);}
.float-card .fc-foot{margin-top:10px;font-size:12px;color:var(--t3);}

/* ---------- section head ---------- */
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(22px,2.4vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em;}
.sec-head p{font-size:15px;color:var(--t2);margin-top:10px;max-width:640px;}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:56px;align-items:start;}
.check-list li{display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;padding:22px 0;border-bottom:1px solid var(--line);transition:background .2s var(--ease),padding-left .2s var(--ease);}
.check-list li:first-child{border-top:1px solid var(--line);}
.check-list li:hover{background:linear-gradient(90deg,var(--flame-soft),rgba(255,241,234,0));padding-left:12px;}
.check-list .idx{font-family:"Songti SC","SimSun",serif;font-size:20px;line-height:1.4;color:var(--flame);}
.check-list h3{font-size:16px;font-weight:600;line-height:1.45;}
.check-list p{font-size:14px;color:var(--t2);margin-top:6px;line-height:1.75;}
.compare-aside{position:sticky;top:88px;}
.compare-media{border-radius:var(--r-big);overflow:hidden;box-shadow:var(--s2);aspect-ratio:4/3;background:var(--ink-2);}
.compare-media img{width:100%;height:100%;object-fit:cover;}
.aside-note{margin-top:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;}
.aside-note .note-label{font-size:12px;letter-spacing:.06em;color:var(--elec);}
.aside-note h3{font-size:17px;font-weight:600;margin-top:8px;line-height:1.5;}
.aside-note p{font-size:14px;color:var(--t2);margin-top:8px;}
.aside-note ul{margin-top:14px;display:grid;gap:10px;}
.aside-note ul li{display:flex;gap:10px;font-size:14px;color:var(--t2);}
.aside-note ul li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--elec);margin-top:9px;flex:0 0 auto;}

/* ---------- method cards ---------- */
.method-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--s1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);}
.card:hover{transform:translateY(-2px);box-shadow:var(--s2);border-color:rgba(255,90,38,.28);}
.method-card{padding:26px 24px 24px;display:flex;flex-direction:column;gap:12px;}
.method-card .m-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.method-card .m-icon{width:42px;height:42px;border-radius:13px;background:var(--flame-soft);display:inline-flex;align-items:center;justify-content:center;color:var(--flame-deep);}
.method-card .m-icon svg{width:20px;height:20px;}
.method-card h3{font-size:18px;font-weight:600;line-height:1.45;}
.method-card p{font-size:14px;color:var(--t2);line-height:1.8;}
.method-card .m-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums;}

/* ---------- reason list ---------- */
.reason-list{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;overflow:hidden;box-shadow:var(--s1);}
.reason-row{display:grid;grid-template-columns:160px minmax(0,1.1fr) minmax(0,1.2fr);gap:24px;padding:24px;border-bottom:1px solid var(--line);align-items:start;transition:background .2s var(--ease);}
.reason-row:last-child{border-bottom:none;}
.reason-row:hover{background:var(--paper);}
.reason-row h3{font-size:16px;font-weight:600;line-height:1.5;}
.reason-row .r-desc{font-size:14px;color:var(--t2);line-height:1.8;}
.reason-row .r-fix{font-size:14px;color:var(--t2);line-height:1.8;border-left:3px solid var(--elec);padding-left:14px;}
.reason-row .r-fix strong{color:var(--t1);font-weight:600;display:block;margin-bottom:2px;font-size:13px;letter-spacing:.02em;}

/* ---------- trust bar ---------- */
.trust-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.trust-item{padding:30px 20px;text-align:center;border-right:1px solid var(--line);}
.trust-item:last-child{border-right:none;}
.trust-item .t-num{font-size:28px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--t1);line-height:1.2;}
.trust-item .t-num em{font-style:normal;color:var(--flame);font-size:20px;margin-left:2px;}
.trust-item .t-lbl{font-size:12px;letter-spacing:.06em;color:var(--t2);margin-top:8px;}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden;transition:background .2s var(--ease),border-color .2s var(--ease);}
.faq-item:hover{background:#FFFDFB;border-color:rgba(23,18,31,.16);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;padding:20px 22px;font-size:16px;font-weight:600;line-height:1.5;color:var(--t1);}
.faq-icon{flex:0 0 auto;width:20px;height:20px;position:relative;transition:transform .25s var(--ease);color:var(--flame);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px;left:50%;top:50%;}
.faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%);}
.faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%);}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--t2);}
.faq-item.is-open .faq-a{max-height:420px;}

/* ---------- cta ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);border-radius:var(--r-big);padding:52px;display:flex;align-items:center;justify-content:space-between;gap:40px;color:#F7F3EE;}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:44px 44px;pointer-events:none;}
.cta-band .cta-copy{position:relative;max-width:640px;}
.cta-band h2{font-size:clamp(22px,2.4vw,32px);line-height:1.3;font-weight:700;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.72);margin-top:12px;}
.cta-band .cta-actions{position:relative;display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}
.cta-band .btn-ghost{color:#F7F3EE;border-color:rgba(255,255,255,.4);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.75);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#F7F3EE;margin-top:96px;padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);margin-top:16px;max-width:340px;}
.footer-col h3{font-size:14px;font-weight:600;color:var(--elec);letter-spacing:.04em;margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s var(--ease);}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-contact{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);}
.footer-bottom{margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:rgba(255,255,255,.55);}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:#fff;}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(23,18,31,.48);opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);z-index:60;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;background:var(--paper);z-index:61;transform:translateX(100%);transition:transform .28s var(--ease);padding:22px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;box-shadow:var(--s3);}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:38px;height:38px;border-radius:11px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--t1);}
.drawer-nav{display:grid;gap:4px;}
.drawer-nav a{padding:13px 14px;border-radius:11px;font-size:15px;color:var(--t2);transition:background .2s var(--ease),color .2s var(--ease);}
.drawer-nav a:hover{background:#fff;color:var(--t1);}
.drawer-nav a.is-active{background:var(--flame-soft);color:var(--flame-deep);font-weight:600;}
.drawer-search{display:flex;align-items:center;gap:10px;height:48px;padding:0 14px;background:#fff;border:1px solid var(--line);border-radius:12px;color:var(--t3);font-size:14px;}
.drawer-search svg{width:18px;height:18px;}
.drawer-foot{margin-top:auto;font-size:13px;color:var(--t3);line-height:1.7;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-burger{display:inline-flex;}
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .hero{padding:24px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;padding-top:24px;}
  .float-card{left:auto;right:16px;bottom:-24px;}
  .compare-grid{grid-template-columns:1fr;gap:36px;}
  .compare-aside{position:static;}
  .method-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .reason-row{grid-template-columns:1fr;gap:12px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .cta-band .cta-actions{width:100%;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .nav-inner{height:56px;}
  .icon-btn{display:none;}
  .logo{font-size:15px;}
  .hero-stats{gap:20px;}
  .hero-stat{min-width:44%;}
  .method-grid{grid-template-columns:1fr;}
  .trust-bar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .trust-item{border-bottom:1px solid var(--line);}
  .trust-item:nth-child(2n){border-right:none;}
  .trust-item:nth-child(n+3){border-bottom:none;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:32px 22px;border-radius:20px;}
  .cta-band .cta-actions .btn{width:100%;}
  .float-card{position:static;margin-top:-34px;margin-left:8px;margin-right:8px;}
  .check-list li{grid-template-columns:34px minmax(0,1fr);gap:12px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --brand:#FF5A26; --brand-deep:#DD4314; --brand-soft:#FFF1EA;
  --aqua:#0FBF9E; --aqua-soft:#E8FBF5;
  --ink:#17121F; --ink-alt:#241C31;
  --bg:#FBF7F2; --card:#FFFFFF; --surface:#F2EBE3;
  --line:rgba(23,18,31,.10);
  --text:#221B2C; --text-2:#6E6577; --text-3:#A79FB0;
  --inv:#F7F3EE; --inv-2:rgba(255,255,255,.72);
  --ok:#12A67A; --warn:#E0A32B; --err:#D9453B;
  --r-btn:12px; --r-pill:999px; --r-img:14px; --r-card:16px; --r-big:24px;
  --s1:0 1px 2px rgba(23,18,31,.06);
  --s2:0 8px 24px -12px rgba(23,18,31,.18);
  --s3:0 24px 48px -24px rgba(23,18,31,.28);
  --font: "PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --serif: "Songti SC","SimSun",serif;
  --ease: cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:var(--font); font-size:16px; line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
h1{font-size:clamp(30px,4.2vw,50px);line-height:1.22;font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(22px,2.4vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
h3{font-size:19px;line-height:1.45;font-weight:600}
:focus-visible{outline:2px solid var(--aqua);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--text-2);font-size:15px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:500;
  letter-spacing:.06em;color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:18px;
}
.eyebrow.on-dark{background:rgba(255,90,38,.16);color:#FFB79A}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:transparent;
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-solid{
  background:rgba(251,247,242,.92);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.logo-mark svg{width:20px;height:20px}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--inv);transition:color .25s var(--ease)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--inv-2);
  padding:6px 0;transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff;font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-pill);display:grid;place-items:center;
  background:transparent;border:1px solid rgba(255,255,255,.28);color:var(--inv);
  cursor:pointer;transition:all .2s var(--ease);
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5)}
.site-header.is-solid .logo-text{color:var(--text)}
.site-header.is-solid .logo-mark{background:var(--brand-soft);border-color:rgba(255,90,38,.24)}
.site-header.is-solid .logo-mark svg path{fill:var(--brand)}
.site-header.is-solid .nav-link{color:var(--text-2)}
.site-header.is-solid .nav-link:hover{color:var(--text)}
.site-header.is-solid .nav-link.is-active{color:var(--text)}
.site-header.is-solid .icon-btn{color:var(--text);border-color:var(--line)}
.site-header.is-solid .icon-btn:hover{background:var(--surface)}
.nav-burger{display:none;width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.28);background:transparent;color:var(--inv);cursor:pointer;place-items:center}
.nav-burger svg{width:22px;height:22px}
.site-header.is-solid .nav-burger{color:var(--text);border-color:var(--line)}

.nav-mask{
  position:fixed;inset:0;background:rgba(23,18,31,.48);opacity:0;visibility:hidden;
  transition:opacity .25s var(--ease),visibility .25s var(--ease);z-index:60;
}
.nav-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;background:var(--card);
  z-index:61;transform:translateX(100%);transition:transform .28s var(--ease);
  padding:24px 22px;display:flex;flex-direction:column;gap:22px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-close{align-self:flex-end;width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--text);cursor:pointer;display:grid;place-items:center;font-size:20px;line-height:1}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{padding:12px 4px;border-bottom:1px solid var(--line);font-size:15px;font-weight:500;color:var(--text-2)}
.drawer-links a.is-active{color:var(--brand);font-weight:600}
.drawer-search{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:var(--r-btn);height:48px;padding:0 14px;background:var(--bg)}
.drawer-search input{border:0;background:transparent;outline:none;font-size:15px;width:100%;color:var(--text);font-family:inherit}
.drawer-note{font-size:13px;color:var(--text-3);line-height:1.7}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:all .2s var(--ease);
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 26px -14px rgba(255,90,38,.75)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 18px 40px -18px rgba(255,90,38,.55)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px -10px rgba(255,90,38,.6)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.75);transform:translateY(-1px)}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--surface);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.link-arrow svg{width:15px;height:15px;transition:transform .2s var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ============ 徽章 ============ */
.badge{display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 11px;border-radius:var(--r-pill);font-size:12px;font-weight:500;letter-spacing:.06em}
.badge-soon{background:var(--brand);color:#fff}
.badge-live{background:var(--aqua);color:#062e26}
.badge-replay{background:rgba(23,18,31,.06);color:var(--text-2);border:1px solid var(--line)}
.badge-cat{background:var(--brand-soft);color:var(--brand)}
.dot-live{width:6px;height:6px;border-radius:50%;background:#062e26;animation:breathe 1.6s infinite}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.7)}}

/* ============ Hero ============ */
.hero{
  position:relative;margin-top:-64px;padding:150px 0 96px;color:var(--inv);overflow:hidden;
  background:var(--ink);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.30;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 84% 10%, rgba(255,90,38,.20), transparent 42%),
    radial-gradient(circle at 8% 92%, rgba(15,191,158,.16), transparent 46%),
    linear-gradient(180deg, rgba(23,18,31,.55) 0%, rgba(23,18,31,.86) 62%, rgba(23,18,31,.96) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--inv-2);margin-bottom:20px}
.breadcrumb a{color:var(--inv-2)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .crumb-current{color:#fff;font-weight:500;max-width:18em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero h1{margin-bottom:16px}
.hero-lead{font-size:18px;font-weight:500;color:#fff;line-height:1.6;margin-bottom:14px}
.hero-desc{font-size:15px;color:var(--inv-2);line-height:1.85;max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats strong{font-size:20px;font-weight:700;color:#fff;line-height:1.2}
.hero-stats span{font-size:13px;color:var(--inv-2)}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-big);
  border:1px solid rgba(255,255,255,.10);
}
.hero-visual .float-tag{
  position:absolute;top:18px;left:18px;
}
.count-card{
  position:absolute;left:-24px;bottom:-26px;background:var(--card);color:var(--text);
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--s3);
  padding:16px 20px;min-width:230px;
}
.count-card .count-label{font-size:12px;letter-spacing:.06em;color:var(--text-3);margin-bottom:8px}
.count-grid{display:flex;align-items:center;gap:14px}
.count-cell{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:38px}
.count-cell strong{font-size:30px;font-weight:700;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.count-cell span{font-size:11px;color:var(--text-3);letter-spacing:.06em}
.count-sep{width:1px;height:26px;background:var(--line)}

/* ============ 步骤流 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px}
.step{
  position:relative;border-top:2px solid var(--line);padding:26px 4px 0;
  transition:border-color .2s var(--ease);
}
.step:hover{border-top-color:var(--brand)}
.step-num{
  font-family:var(--serif);font-size:56px;line-height:1;color:var(--brand);
  opacity:.9;display:block;margin-bottom:14px;
}
.step h3{margin-bottom:10px}
.step p{font-size:15px;color:var(--text-2);line-height:1.8}
.step-meta{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;color:var(--aqua);font-weight:600}
.step-flow-note{
  margin-top:36px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  background:var(--brand-soft);border-radius:var(--r-card);padding:18px 22px;
}
.step-flow-note p{font-size:14px;color:var(--text-2);line-height:1.7}
.step-flow-note strong{color:var(--brand);font-weight:700}

/* ============ 提醒设置 ============ */
.remind-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-big);
  box-shadow:var(--s2);padding:40px;display:grid;grid-template-columns:1.05fr 1fr;gap:48px;
}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text)}
.field input{
  width:100%;height:48px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:var(--bg);padding:0 16px;font-size:15px;color:var(--text);font-family:inherit;
  transition:all .2s var(--ease);
}
.field input::placeholder{color:var(--text-3)}
.field input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(255,90,38,.18)}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{
  height:40px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:transparent;color:var(--text-2);font-size:14px;font-weight:500;cursor:pointer;
  transition:all .2s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip[aria-pressed="true"]{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-deep);font-weight:600}
.form-note{font-size:13px;color:var(--text-3);line-height:1.7;margin-top:14px}
.alert{display:none;margin-top:16px;padding:14px 18px;border-radius:var(--r-btn);font-size:14px;line-height:1.7}
.alert.is-ok{display:block;background:var(--aqua-soft);color:#0a6a58;border:1px solid rgba(15,191,158,.3)}
.alert.is-err{display:block;background:#FDECEA;color:#9c2a22;border:1px solid rgba(217,69,59,.3)}
.remind-side{display:flex;flex-direction:column;gap:18px}
.remind-side img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card)}
.side-list li{
  display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--text-2);
}
.side-list li:last-child{border-bottom:0}
.side-list b{color:var(--text);font-weight:600;flex:0 0 auto;min-width:72px}

/* ============ 场次列表 ============ */
.schedule-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.schedule-row{
  display:grid;grid-template-columns:120px 1fr 200px 130px;gap:24px;align-items:center;
  padding:22px 16px;border-bottom:1px solid var(--line);border-radius:10px;
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.schedule-row:hover{background:var(--card);box-shadow:var(--s1)}
.schedule-time{font-size:14px;color:var(--text-2);display:flex;flex-direction:column;gap:4px}
.schedule-time time{font-size:16px;font-weight:600;color:var(--text)}
.schedule-main h3{font-size:17px;margin-bottom:4px}
.schedule-main p{font-size:14px;color:var(--text-2);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.schedule-tags{display:flex;gap:8px;flex-wrap:wrap}
.schedule-act{text-align:right}
.empty-state{
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;
}
.empty-state p{font-size:14px;color:var(--text-2);margin-top:10px}

/* ============ 场景卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--s1);padding:26px;display:flex;flex-direction:column;gap:12px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--s2),0 18px 40px -18px rgba(255,90,38,.30)}
.scene-icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--aqua-soft);color:#0b8c74;
}
.scene-icon svg{width:20px;height:20px}
.scene-card p{font-size:14px;color:var(--text-2);line-height:1.8}
.scene-card .link-arrow{margin-top:auto}

/* ============ 数据条 ============ */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat-item{padding:32px 20px;border-right:1px solid var(--line);text-align:center}
.stat-item:last-child{border-right:0}
.stat-item strong{display:block;font-size:28px;font-weight:700;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-item span{display:block;font-size:12px;letter-spacing:.06em;color:var(--text-3);margin-top:6px}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:860px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:background .2s var(--ease)}
.faq-item:hover{background:#FFFDFB}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);font-family:inherit;
}
.faq-q .faq-icon{
  flex:0 0 auto;width:20px;height:20px;position:relative;transition:transform .25s var(--ease);
}
.faq-q .faq-icon::before,
.faq-q .faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--text-2);border-radius:2px;transform:translate(-50%,-50%);
}
.faq-q .faq-icon::before{width:14px;height:2px}
.faq-q .faq-icon::after{width:2px;height:14px}
.faq-item.is-open .faq-q .faq-icon{transform:rotate(45deg)}
.faq-item.is-open .faq-icon::before,
.faq-item.is-open .faq-icon::after{background:var(--brand)}
.faq-a{display:none;padding:0 20px 18px;font-size:15px;color:var(--text-2);line-height:1.8}
.faq-item.is-open .faq-a{display:block}

/* ============ CTA ============ */
.cta-band{
  position:relative;background:var(--ink);color:var(--inv);border-radius:var(--r-big);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  overflow:hidden;box-shadow:var(--s3);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:48px 48px;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{color:#fff;margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--inv-2);max-width:520px}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--inv-2);padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px}
.footer-brand .logo-mark{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.16)}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px}
.footer-col h3{font-size:14px;font-weight:600;color:var(--aqua);margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-contact{font-size:14px;line-height:2;color:rgba(255,255,255,.72)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.50);
}
.footer-bottom a{color:rgba(255,255,255,.66)}
.footer-bottom a:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-burger{display:grid}
  .nav-right .btn-primary{display:none}
  .hero{margin-top:-64px;padding:132px 0 80px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .count-card{left:16px;bottom:-20px;min-width:210px}
  .steps{grid-template-columns:1fr;gap:0}
  .step{border-top:0;border-left:2px solid var(--line);padding:0 0 32px 24px}
  .step:hover{border-left-color:var(--brand)}
  .step-num{font-size:44px}
  .remind-wrap{grid-template-columns:1fr;gap:32px;padding:28px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .schedule-row{grid-template-columns:1fr 1fr;gap:14px;padding:20px 12px}
  .schedule-act{grid-column:2;text-align:right}
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:36px;flex-direction:column;align-items:flex-start}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .hero{padding:120px 0 64px}
  .hero-lead{font-size:16px}
  .hero-stats{gap:22px}
  .count-card{position:static;margin-top:16px;min-width:0}
  .hero-visual img{aspect-ratio:16/11}
  .scene-grid{grid-template-columns:1fr}
  .stat-bar{grid-template-columns:1fr 1fr}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding:24px 12px}
  .stat-item:nth-child(odd){border-right:1px solid var(--line)}
  .stat-item:nth-last-child(-n+2){border-bottom:0}
  .schedule-row{grid-template-columns:1fr;gap:10px}
  .schedule-act{grid-column:1;text-align:left}
  .cta-band{padding:28px;border-radius:var(--r-card)}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .remind-wrap{padding:22px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .btn:hover,.scene-card:hover{transform:none !important}
}

/* roulang page: category4 */
:root{
  --flame:#FF5A26; --flame-deep:#DD4314; --flame-soft:#FFF1EA;
  --cyan:#0FBF9E; --cyan-soft:#E8FBF5;
  --ink:#17121F; --ink-2:#241C31;
  --paper:#FBF7F2; --card:#FFFFFF; --sub:#F2EBE3;
  --line:rgba(23,18,31,.10); --line-strong:rgba(23,18,31,.18);
  --text:#221B2C; --text-2:#6E6577; --text-3:#A79FB0;
  --ok:#12A67A; --warn:#E0A32B; --err:#D9453B;
  --r-btn:12px; --r-img:14px; --r-card:16px; --r-band:24px; --r-pill:999px;
  --s1:0 1px 2px rgba(23,18,31,.06);
  --s2:0 8px 24px -12px rgba(23,18,31,.18);
  --s3:0 24px 48px -24px rgba(23,18,31,.28);
  --glow:0 18px 40px -18px rgba(255,90,38,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
  --max:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--text);font-family:var(--font);
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{line-height:1.3;letter-spacing:-.01em}
::selection{background:var(--flame-soft);color:var(--flame-deep)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-sub{background:var(--sub)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(22px,2.4vw,32px);font-weight:700}
.sec-head p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:660px}
.eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--flame);margin-bottom:12px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--flame);color:#fff;box-shadow:0 6px 18px -10px rgba(255,90,38,.7)}
.btn-primary:hover{background:var(--flame-deep);transform:translateY(-1px);box-shadow:var(--glow)}
.btn-primary:active{transform:translateY(0);background:var(--flame-deep);box-shadow:none}
.btn-ghost{background:transparent;color:var(--text);border:1.5px solid var(--text)}
.btn-ghost:hover{background:#fff;border-color:var(--ink);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-light:hover{background:var(--flame-soft);border-color:var(--flame);color:var(--flame-deep)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--flame-deep)}
.btn-text svg,.card-more svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.btn-text:hover svg,.card:hover .card-more svg{transform:translateX(3px)}
.btn[disabled],.btn.is-disabled{background:#E6E0DA;color:var(--text-3);box-shadow:none;cursor:not-allowed;transform:none}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:500;letter-spacing:.02em;line-height:1}
.badge-flame{background:var(--flame);color:#fff}
.badge-soft{background:var(--flame-soft);color:var(--flame-deep)}
.badge-cyan{background:var(--cyan);color:#04302a}
.badge-outline{background:rgba(255,255,255,.92);color:var(--ink);border:1px solid var(--line-strong)}
.badge-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:#04302a;display:inline-block;animation:breathe 1.6s infinite}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.7)}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,247,242,0);transition:background .25s var(--ease),box-shadow .25s var(--ease)}
.site-header.is-scrolled{background:rgba(251,247,242,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text);letter-spacing:-.01em}
.logo-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--ink),var(--ink-2));display:grid;place-items:center;flex:0 0 auto}
.logo-mark svg{width:18px;height:18px}
.logo-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--text-2);transition:color .2s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--flame);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(.45)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px}
.icon-btn{width:38px;height:38px;border-radius:var(--r-btn);display:grid;place-items:center;color:var(--text-2);border:1px solid transparent;transition:all .2s var(--ease)}
.icon-btn:hover{background:#fff;border-color:var(--line);color:var(--text)}
.icon-btn svg{width:20px;height:20px}
.nav-burger{display:none;width:40px;height:40px;border-radius:var(--r-btn);place-items:center;color:var(--text);border:1px solid var(--line);background:#fff}
.nav-burger svg{width:22px;height:22px}
.nav-mask{position:fixed;inset:0;background:rgba(23,18,31,.48);opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);z-index:65}
body.nav-open .nav-mask{opacity:1;visibility:visible}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);flex-wrap:wrap}
.breadcrumb a:hover{color:var(--flame-deep)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--text);max-width:18ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;padding:28px 0 104px;
  background:
    radial-gradient(circle at 88% 6%, rgba(15,191,158,.10), transparent 44%),
    radial-gradient(circle at 6% 2%, rgba(255,90,38,.10), transparent 48%),
    var(--paper);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(23,18,31,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(23,18,31,.04) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 72%);
  mask-image:linear-gradient(180deg,#000,transparent 72%);
}
.hero > .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:52px;align-items:center;margin-top:28px}
.hero-copy h1{font-size:clamp(30px,4.2vw,50px);line-height:1.22;font-weight:700;letter-spacing:-.02em;margin-top:18px}
.hero-copy h1 span{color:var(--flame)}
.hero-lead{margin-top:18px;color:var(--text-2);font-size:16px;max-width:560px}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.stat-inline{display:flex;gap:36px;margin-top:40px;flex-wrap:wrap}
.stat-inline .v{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--text)}
.stat-inline .l{font-size:13px;color:var(--text-2);margin-top:2px}
.hero-visual{position:relative}
.hero-shot{position:relative;border-radius:var(--r-band);overflow:hidden;aspect-ratio:16/9;background:var(--ink);box-shadow:var(--s3)}
.hero-shot img{width:100%;height:100%;object-fit:cover}
.hero-shot::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,18,31,.04),rgba(23,18,31,.58))}
.hero-shot .badge{position:absolute;top:16px;left:16px;z-index:2}
.hero-shot .shot-title{position:absolute;left:20px;right:20px;bottom:20px;z-index:2;color:#F7F3EE;font-size:17px;font-weight:600;letter-spacing:-.01em}
.hero-float{
  position:absolute;left:-18px;bottom:-26px;z-index:3;
  display:flex;align-items:center;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px 18px;box-shadow:var(--s3);max-width:320px;
}
.hero-float .flame-num{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--flame)}
.hero-float .txt{font-size:13px;color:var(--text-2);line-height:1.5}

/* ---------- 数据条 ---------- */
.stats-strip{display:grid;grid-template-columns:repeat(4,1fr);background:var(--card);border:1px solid var(--line);border-radius:var(--r-band);box-shadow:var(--s1);overflow:hidden}
.stats-strip .cell{padding:30px 26px;border-left:1px solid var(--line)}
.stats-strip .cell:first-child{border-left:0}
.cell .num{font-size:28px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink);line-height:1.2}
.cell .num em{font-style:normal;font-size:14px;color:var(--flame);margin-left:4px}
.cell .lab{font-size:12px;color:var(--text-2);letter-spacing:.04em;margin-top:6px}

/* ---------- 卡片矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--s1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--s2),var(--glow);border-color:rgba(255,90,38,.30)}
.card-icon{width:46px;height:46px;border-radius:13px;background:var(--flame-soft);color:var(--flame);display:grid;place-items:center;margin-bottom:18px}
.card-icon svg{width:22px;height:22px}
.card h3{font-size:18px;font-weight:600;letter-spacing:-.01em}
.card p{margin-top:10px;color:var(--text-2);font-size:14px;line-height:1.75}
.card-more{margin-top:auto;padding-top:20px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--flame-deep)}
.card-tagline{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap}

/* ---------- 精选回放 ---------- */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
.feat-shot{position:relative;border-radius:var(--r-band);overflow:hidden;aspect-ratio:16/10;background:var(--ink);box-shadow:var(--s3)}
.feat-shot img{width:100%;height:100%;object-fit:cover}
.feat-shot::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,18,31,.02) 20%,rgba(23,18,31,.74))}
.feat-shot .badge{position:absolute;top:18px;left:18px;z-index:2}
.feat-duration{position:absolute;left:18px;bottom:18px;z-index:2;font-size:13px;color:rgba(255,255,255,.86);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.feat-play{position:absolute;right:18px;bottom:18px;z-index:3;width:56px;height:56px;border-radius:50%;background:#fff;color:var(--ink);display:grid;place-items:center;transition:transform .2s var(--ease)}
.feat-play:hover{transform:scale(1.06)}
.feat-play svg{width:20px;height:20px;margin-left:2px}
.replay-list{display:flex;flex-direction:column}
.replay-row{display:flex;gap:16px;padding:16px 12px;margin:0 -12px;border-bottom:1px solid var(--line);border-radius:12px;align-items:center;transition:background .2s var(--ease)}
.replay-row:last-child{border-bottom:0}
.replay-row:hover{background:var(--flame-soft)}
.replay-thumb{position:relative;width:104px;flex:0 0 104px;aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:var(--ink-2)}
.replay-thumb img{width:100%;height:100%;object-fit:cover}
.replay-thumb span{position:absolute;right:6px;bottom:6px;font-size:11px;color:#fff;background:rgba(23,18,31,.72);border-radius:6px;padding:2px 6px;font-variant-numeric:tabular-nums}
.replay-meta h3{font-size:16px;font-weight:600;line-height:1.45}
.replay-meta p{font-size:13px;color:var(--text-2);margin-top:6px;display:flex;gap:10px;flex-wrap:wrap}

/* ---------- 标签面板 ---------- */
.tag-panel{
  display:grid;grid-template-columns:5fr 7fr;gap:36px;align-items:center;
  background:var(--sub);border-radius:var(--r-band);padding:40px;border:1px solid var(--line);
}
.tag-panel h2{font-size:clamp(22px,2.4vw,30px);font-weight:700}
.tag-panel p{margin-top:12px;color:var(--text-2);font-size:15px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
.tag{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line-strong);font-size:14px;color:var(--text-2);
  transition:all .2s var(--ease);
}
.tag:hover{border-color:var(--flame);color:var(--flame-deep);background:var(--flame-soft);transform:translateY(-1px)}
.tag b{color:var(--text);font-weight:600;margin-right:6px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item:hover{border-color:rgba(255,90,38,.28);box-shadow:var(--s1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 22px;text-align:left;font-size:16px;font-weight:600;transition:background .2s var(--ease)}
.faq-q:hover{background:#FAF6F1}
.faq-icon{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .25s var(--ease),color .25s var(--ease);color:var(--text-2)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-icon::before{left:0;right:0;top:50%;height:2px;transform:translateY(-50%)}
.faq-icon::after{top:0;bottom:0;left:50%;width:2px;transform:translateX(-50%)}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--flame)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.8}

/* ---------- 订阅表单 ---------- */
.sub-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-band);box-shadow:var(--s2);padding:44px;max-width:900px;margin:0 auto}
.sub-card h2{font-size:clamp(22px,2.4vw,30px);font-weight:700}
.sub-card .sub-lead{margin-top:12px;color:var(--text-2);font-size:15px}
.field-label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:10px;letter-spacing:.02em}
.form-row{display:flex;gap:12px;margin-top:16px}
.input{
  flex:1 1 auto;height:48px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid var(--line-strong);background:#fff;color:var(--text);font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.input::placeholder{color:var(--text-3)}
.input:focus{outline:none;border-color:var(--flame);box-shadow:0 0 0 3px rgba(255,90,38,.16)}
.input.is-error{border-color:var(--err);box-shadow:0 0 0 3px rgba(217,69,59,.14)}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.chip{
  height:40px;padding:0 18px;border-radius:var(--r-pill);border:1px solid var(--line-strong);
  background:#fff;color:var(--text-2);font-size:14px;transition:all .2s var(--ease);
}
.chip:hover{border-color:var(--flame);color:var(--flame-deep)}
.chip.is-active{background:var(--flame-soft);border-color:var(--flame);color:var(--flame-deep);font-weight:600}
.form-note{margin-top:16px;font-size:13px;color:var(--text-2)}
.alert{display:none;align-items:center;gap:10px;margin-top:18px;padding:12px 16px;border-radius:var(--r-btn);font-size:14px}
.alert-ok{display:flex;background:var(--cyan-soft);color:#0a6b58;border:1px solid rgba(15,191,158,.35)}
.alert-err{display:flex;background:#FDEEEC;color:#9c2b23;border:1px solid rgba(217,69,59,.30)}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);border-radius:var(--r-band);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:48px 48px;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{color:#F7F3EE;font-size:clamp(22px,2.4vw,30px);font-weight:700}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.72);font-size:15px;max-width:560px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:0;padding:76px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;letter-spacing:-.01em}
.site-footer .logo-mark{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.14)}
.footer-about{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:340px}
.footer-col h3{font-size:14px;font-weight:600;color:var(--cyan);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72);line-height:2.2;transition:color .2s var(--ease)}
.footer-col ul li a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact{font-size:14px;line-height:2;color:rgba(255,255,255,.66)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:52px;padding:20px 0;border-top:1px solid rgba(255,255,255,.10);
  font-size:12px;color:rgba(255,255,255,.50);
}
.footer-bottom a{color:rgba(255,255,255,.66)}
.footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .hero{padding-bottom:80px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:1fr}
  .tag-panel{grid-template-columns:1fr;gap:24px;padding:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px}
  .cta-band .btn{width:100%}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:88px 24px 32px;overflow-y:auto;
    transform:translateX(100%);transition:transform .28s var(--ease);
    box-shadow:-24px 0 48px -24px rgba(23,18,31,.30);z-index:70;
  }
  body.nav-open .nav-links{transform:translateX(0)}
  .nav-link{width:100%;padding:14px 0;font-size:17px;border-bottom:1px solid var(--line)}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--flame);font-weight:600}
  .nav-burger{display:grid}
  .nav-right .icon-btn,.nav-right .btn-sm{display:none}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .hero{padding-top:20px;padding-bottom:64px}
  .hero-actions .btn{width:100%}
  .hero-float{position:static;margin-top:16px;max-width:none}
  .stat-inline{gap:24px}
  .matrix{grid-template-columns:1fr}
  .stats-strip{grid-template-columns:1fr 1fr}
  .stats-strip .cell{border-left:0;border-top:1px solid var(--line);padding:22px 18px}
  .stats-strip .cell:nth-child(-n+2){border-top:0}
  .stats-strip .cell:nth-child(odd){border-right:1px solid var(--line)}
  .sub-card{padding:26px}
  .form-row{flex-direction:column}
  .form-row .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .replay-thumb{width:88px;flex:0 0 88px}
  .tag-panel{padding:24px}
  .cta-band{padding:28px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}