/* roulang page: index */
:root{
  --bg:#050B12;
  --bg-2:#0A1722;
  --glass:rgba(12,27,38,.62);
  --glass-2:rgba(12,27,38,.42);
  --line:rgba(242,193,94,.16);
  --line-strong:rgba(242,193,94,.38);
  --gold:#F2C15E;
  --gold-d:#D99A2B;
  --jade:#67D6C2;
  --text:#EAF2F1;
  --muted:#9BB0B8;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:14px;
  --shadow:0 18px 60px rgba(0,0,0,.35);
  --wrap:1240px;
  --font-serif:"Noto Serif SC","Songti SC","STSong","Source Han Serif SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 82% -6%, rgba(242,193,94,.10), transparent 62%),
    radial-gradient(900px 520px at 4% 12%, rgba(103,214,194,.08), transparent 66%),
    var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--gold);text-decoration:none;transition:color .25s ease,opacity .25s ease;}
a:hover{color:#ffd888;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:700;color:#fff;letter-spacing:.02em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px;}
.row{max-width:none;margin-left:0;margin-right:0;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 28px;}
.section{padding:96px 0;position:relative;}
.section--tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{margin-bottom:14px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.85;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-sans);
  font-size:12.5px;letter-spacing:.16em;color:var(--gold);
  padding:6px 14px;border:1px solid var(--line);border-radius:999px;
  background:rgba(242,193,94,.07);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 12px var(--gold);}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  padding:14px 0;
  background:linear-gradient(180deg,rgba(5,11,18,.92),rgba(5,11,18,.55) 70%,transparent);
  backdrop-filter:blur(4px);
}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  min-height:70px;
  padding:8px 10px 8px 22px;
  border-radius:999px;
  background:rgba(10,23,34,.74);
  border:1px solid var(--line);
  box-shadow:0 16px 42px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.05);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;
  display:grid;place-items:center;
  font-family:var(--font-serif);font-size:19px;font-weight:700;color:#20160a;
  background:linear-gradient(140deg,var(--gold),var(--gold-d));
  box-shadow:0 8px 22px rgba(242,193,94,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-family:var(--font-serif);font-size:16.5px;color:#fff;letter-spacing:.06em;}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.14em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:9px 13px;border-radius:999px;
  font-size:14px;color:#cfdcde;letter-spacing:.02em;
  transition:color .22s ease,background .22s ease;
}
.nav-links a:hover{color:#fff;background:rgba(242,193,94,.09);}
.nav-links a.is-active{color:var(--gold);background:rgba(242,193,94,.10);}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--gold);
}
.nav-cta{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:999px;
  font-size:14px;font-weight:600;color:#20160a;
  background:linear-gradient(140deg,var(--gold),var(--gold-d));
  box-shadow:0 10px 26px rgba(242,193,94,.26);
  transition:transform .22s ease,box-shadow .22s ease;
}
.nav-cta:hover{color:#20160a;transform:translateY(-2px);box-shadow:0 16px 34px rgba(242,193,94,.36);}
.nav-burger{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:rgba(242,193,94,.07);
  color:var(--gold);font-size:18px;line-height:1;cursor:pointer;
}
/* drawer */
.drawer{
  position:fixed;inset:0;z-index:200;
  display:none;flex-direction:column;
  padding:22px;
  background:rgba(4,9,15,.97);
  backdrop-filter:blur(16px);
}
.drawer.is-open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-close{
  width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:rgba(242,193,94,.07);color:var(--gold);font-size:19px;cursor:pointer;
}
.drawer-links{display:flex;flex-direction:column;gap:10px;}
.drawer-links a{
  padding:15px 18px;border-radius:16px;
  border:1px solid var(--line);background:rgba(12,27,38,.6);
  color:var(--text);font-size:16px;
}
.drawer-links a.is-active{color:var(--gold);border-color:var(--line-strong);}
.drawer-foot{margin-top:auto;padding-top:22px;}
.drawer-foot .btn{width:100%;justify-content:center;}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn-primary{
  color:#20160a;
  background:linear-gradient(140deg,var(--gold),var(--gold-d));
  box-shadow:0 14px 34px rgba(242,193,94,.28);
}
.btn-primary:hover{color:#20160a;transform:translateY(-2px);box-shadow:0 20px 46px rgba(242,193,94,.4);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  color:var(--jade);
  background:rgba(103,214,194,.06);
  border-color:rgba(103,214,194,.34);
}
.btn-ghost:hover{color:#a9f3e6;border-color:rgba(103,214,194,.7);background:rgba(103,214,194,.12);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:10px 20px;font-size:13.5px;}
/* ---------- hero ---------- */
.hero{position:relative;padding:56px 0 40px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(242,193,94,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(242,193,94,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(720px 460px at 30% 26%,#000,transparent 78%);
  -webkit-mask-image:radial-gradient(720px 460px at 30% 26%,#000,transparent 78%);
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center;position:relative;}
.hero h1{
  font-size:clamp(32px,4.1vw,54px);
  line-height:1.16;
  margin:20px 0 20px;
}
.hero h1 em{font-style:normal;color:var(--gold);}
.hero-lead{color:#c4d3d5;font-size:17px;line-height:1.9;max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:999px;
  font-size:13px;color:#c8d8da;
  background:rgba(12,27,38,.66);
  border:1px solid var(--line);
}
.tag--jade{color:var(--jade);border-color:rgba(103,214,194,.3);background:rgba(103,214,194,.07);}
.tag--gold{color:var(--gold);border-color:var(--line-strong);background:rgba(242,193,94,.08);}
.hero-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  aspect-ratio:4/3.4;
  background:#08131c;
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,11,18,.18) 0%,rgba(5,11,18,.55) 58%,rgba(5,11,18,.92) 100%);
}
.hero-float{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  display:flex;flex-wrap:wrap;gap:9px;
}
.hero-float span{
  padding:7px 13px;border-radius:999px;font-size:12.5px;color:#e7f1f1;
  background:rgba(10,23,34,.72);
  border:1px solid rgba(242,193,94,.28);
  backdrop-filter:blur(10px);
}
/* ---------- evidence bar ---------- */
.evidence{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:var(--glass);
  backdrop-filter:blur(12px);
  overflow:hidden;
}
.evidence div{padding:26px 24px;border-right:1px solid rgba(242,193,94,.12);}
.evidence div:last-child{border-right:0;}
.evidence strong{
  display:block;font-family:var(--font-serif);font-size:30px;line-height:1.2;color:var(--gold);
}
.evidence span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted);}
/* ---------- bento ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:22px;}
.card{
  position:relative;
  padding:28px;
  border-radius:var(--radius-lg);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
  overflow:hidden;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 22px 54px rgba(0,0,0,.42);}
.card h3{font-size:20px;line-height:1.45;margin:14px 0 10px;}
.card p{color:var(--muted);font-size:14.6px;line-height:1.8;margin:0 0 16px;}
.card .card-link{font-size:14px;color:var(--gold);display:inline-flex;align-items:center;gap:6px;}
.card .card-link:hover{color:#ffd888;}
.card-ico{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  font-family:var(--font-serif);font-size:17px;color:var(--gold);
  background:rgba(242,193,94,.1);border:1px solid var(--line);
}
.b-8{grid-column:span 8;}
.b-4{grid-column:span 4;}
.b-6{grid-column:span 6;}
.card--media{padding:0;display:flex;flex-direction:column;}
.card--media .thumb{aspect-ratio:16/9;overflow:hidden;}
.card--media .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.card--media:hover .thumb img{transform:scale(1.05);}
.card--media .body{padding:24px 26px 26px;}
/* ---------- tabs / scenes ---------- */
.scene-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;}
.scene-tab{
  padding:10px 22px;border-radius:999px;cursor:pointer;
  font-size:14px;color:#c3d3d5;
  background:rgba(12,27,38,.6);border:1px solid var(--line);
  transition:all .24s ease;
}
.scene-tab:hover{color:#fff;border-color:var(--line-strong);}
.scene-tab.is-active{
  color:#20160a;font-weight:600;
  background:linear-gradient(140deg,var(--gold),var(--gold-d));
  border-color:transparent;
  box-shadow:0 10px 26px rgba(242,193,94,.24);
}
.scene-panel{display:none;}
.scene-panel.is-active{display:block;animation:fadeUp .45s ease;}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}
.scene-grid{display:grid;grid-template-columns:6fr 6fr;gap:44px;align-items:center;}
.scene-grid h3{font-size:clamp(21px,2.1vw,27px);margin-bottom:14px;line-height:1.4;}
.scene-grid p{color:var(--muted);font-size:15px;}
.scene-list{margin:20px 0 0;display:flex;flex-direction:column;gap:12px;}
.scene-list li{position:relative;padding-left:24px;color:#cfdcdd;font-size:14.8px;}
.scene-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;
  background:rgba(242,193,94,.85);box-shadow:0 0 12px rgba(242,193,94,.55);
}
.scene-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.scene-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:7fr 5fr;gap:22px;}
.case{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--glass);
  display:flex;flex-direction:column;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.case:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 22px 54px rgba(0,0,0,.42);}
.case img{width:100%;aspect-ratio:16/8;object-fit:cover;}
.case .case-body{padding:24px 26px 28px;}
.case .case-body h3{font-size:19px;margin:10px 0 10px;}
.case .case-body p{color:var(--muted);font-size:14.5px;margin-bottom:16px;}
.case-stats{display:flex;flex-wrap:wrap;gap:22px;margin-bottom:14px;}
.case-stats b{display:block;font-family:var(--font-serif);font-size:22px;color:var(--gold);line-height:1.2;}
.case-stats span{font-size:12.5px;color:var(--muted);}
.case-side{display:grid;gap:22px;}
.case--compact img{aspect-ratio:16/7;}
/* ---------- pricing ---------- */
.price-grid{display:grid;grid-template-columns:6.2fr 5.8fr;gap:22px;align-items:stretch;}
.price-main{
  padding:36px;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(242,193,94,.14),rgba(12,27,38,.72) 46%,rgba(10,23,34,.9));
  border:1px solid var(--line-strong);
  box-shadow:0 24px 60px rgba(0,0,0,.42);
  position:relative;
}
.price-main::before{
  content:"推荐";position:absolute;right:26px;top:26px;
  font-size:12px;letter-spacing:.14em;color:#20160a;font-weight:700;
  padding:5px 14px;border-radius:999px;
  background:linear-gradient(140deg,var(--gold),var(--gold-d));
}
.price-main h3{font-size:24px;margin-bottom:10px;}
.price-main .price-desc{color:#c9d7d9;font-size:14.6px;max-width:30em;}
.price-num{font-family:var(--font-serif);font-size:36px;color:var(--gold);margin:18px 0 4px;line-height:1.1;}
.price-num small{font-family:var(--font-sans);font-size:13.5px;color:var(--muted);margin-left:8px;}
.price-list{margin:22px 0 28px;display:flex;flex-direction:column;gap:11px;}
.price-list li{position:relative;padding-left:24px;font-size:14.6px;color:#d3e0e0;}
.price-list li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--jade);font-size:14px;
}
.price-cards{display:grid;gap:22px;}
.price-card{
  padding:26px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);
  transition:transform .28s ease,border-color .28s ease;
}
.price-card:hover{transform:translateY(-3px);border-color:var(--line-strong);}
.price-card h3{font-size:18px;margin-bottom:8px;}
.price-card p{color:var(--muted);font-size:14.2px;margin-bottom:14px;}
.price-card .mini{font-family:var(--font-serif);font-size:20px;color:var(--jade);}
.price-note{margin-top:20px;font-size:13.5px;color:var(--muted);}
/* ---------- news ---------- */
.news-lead{
  display:grid;grid-template-columns:6fr 6fr;gap:0;
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--glass);
  margin-bottom:22px;
  transition:border-color .28s ease,transform .28s ease;
}
.news-lead:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.news-lead .lead-thumb{overflow:hidden;min-height:260px;}
.news-lead .lead-thumb img{width:100%;height:100%;object-fit:cover;}
.news-lead .lead-body{padding:32px;display:flex;flex-direction:column;justify-content:center;}
.news-lead h3{font-size:22px;line-height:1.45;margin:12px 0 12px;}
.news-lead p{color:var(--muted);font-size:14.8px;margin-bottom:16px;}
.news-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12.8px;color:var(--muted);}
.news-meta .badge{
  padding:4px 12px;border-radius:999px;color:var(--gold);
  background:rgba(242,193,94,.1);border:1px solid var(--line);
}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.news-item{
  padding:24px 26px;border-radius:var(--radius-md);
  background:var(--glass-2);border:1px solid var(--line);
  transition:transform .26s ease,border-color .26s ease,background .26s ease;
}
.news-item:hover{transform:translateY(-3px);border-color:var(--line-strong);background:var(--glass);}
.news-item h3{font-size:16.5px;line-height:1.55;margin:10px 0 8px;}
.news-item h3 a{color:#fff;}
.news-item h3 a:hover{color:var(--gold);}
.news-item p{color:var(--muted);font-size:13.8px;line-height:1.75;margin-bottom:14px;}
.news-empty{
  padding:46px 30px;text-align:center;border-radius:var(--radius-lg);
  border:1px dashed rgba(242,193,94,.3);background:rgba(12,27,38,.42);
  color:var(--muted);font-size:15px;
}
/* ---------- faq + form ---------- */
.faq-form{display:grid;grid-template-columns:6.4fr 5.6fr;gap:44px;align-items:start;}
.faq-item{
  border-radius:var(--radius-sm);overflow:hidden;
  border:1px solid var(--line);background:var(--glass-2);
  margin-bottom:12px;
  transition:border-color .26s ease,background .26s ease;
}
.faq-item.is-open{border-color:var(--line-strong);background:var(--glass);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:18px 20px;background:transparent;border:0;cursor:pointer;
  color:#e9f3f2;font-size:15.4px;text-align:left;font-family:var(--font-sans);
  transition:color .22s ease;
}
.faq-q:hover{color:var(--gold);}
.faq-item.is-open .faq-q{color:var(--gold);font-weight:600;}
.faq-q .mark{
  margin-left:auto;flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  display:grid;place-items:center;font-size:15px;color:var(--gold);
  border:1px solid var(--line-strong);
  transition:transform .26s ease;
}
.faq-item.is-open .faq-q .mark{transform:rotate(45deg);}
.faq-q .bar{
  flex:0 0 auto;width:3px;height:18px;border-radius:3px;
  background:rgba(242,193,94,.32);transition:background .24s ease;
}
.faq-item.is-open .faq-q .bar{background:var(--gold);box-shadow:0 0 12px rgba(242,193,94,.6);}
.faq-a{display:none;padding:0 20px 20px 37px;color:var(--muted);font-size:14.6px;line-height:1.85;}
.faq-item.is-open .faq-a{display:block;}
.form-card{
  padding:32px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.form-card h3{font-size:21px;margin-bottom:8px;}
.form-card .form-sub{color:var(--muted);font-size:14px;margin-bottom:24px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.4px;color:#c7d6d8;margin-bottom:7px;letter-spacing:.04em;}
.field input,.field select,.field textarea{
  width:100%;padding:0 15px;height:48px;
  border-radius:12px;border:1px solid rgba(242,193,94,.2);
  background:rgba(5,11,18,.62);color:var(--text);
  font-family:var(--font-sans);font-size:14.5px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.field textarea{height:auto;padding:13px 15px;min-height:104px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#6f858d;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(242,193,94,.16);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--gold) 50%),linear-gradient(135deg,var(--gold) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin:6px 0 20px;}
.agree input{width:16px;height:16px;margin-top:4px;accent-color:var(--gold);}
.form-actions .btn{width:100%;}
.form-msg{margin-top:14px;font-size:13.6px;display:none;}
.form-msg.is-ok{display:block;color:var(--jade);}
.form-msg.is-err{display:block;color:#ff9b8a;}
/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  padding:52px 44px;
  background:
    linear-gradient(120deg,rgba(242,193,94,.16),rgba(10,23,34,.9) 52%,rgba(103,214,194,.12)),
    var(--bg-2);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;margin-bottom:10px;}
.cta-band p{color:#c5d4d6;font-size:15px;margin:0;max-width:44em;}
/* ---------- footer ---------- */
.site-footer{border-top:1px solid rgba(242,193,94,.22);background:linear-gradient(180deg,rgba(10,23,34,.5),rgba(4,9,15,.95));padding:60px 0 28px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.85;max-width:30em;}
.footer-col h4{font-size:14px;letter-spacing:.12em;color:var(--gold);margin-bottom:16px;font-family:var(--font-sans);}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:#b9c9cc;font-size:14px;}
.footer-col a:hover{color:var(--gold);}
.footer-contact p{color:#b9c9cc;font-size:14px;margin-bottom:10px;}
.footer-contact a{color:var(--jade);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.06);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:#7d9199;font-size:13px;
}
/* ---------- mobile float ---------- */
.mobile-cta{display:none;}
/* ---------- responsive ---------- */
@media (max-width:1199px){
  .nav-links a{padding:8px 10px;font-size:13.2px;}
  .hero-grid{grid-template-columns:6.6fr 5.4fr;gap:36px;}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:28px;}
  .footer-contact{grid-column:span 3;}
}
@media (max-width:1023px){
  .wrap{padding:0 22px;}
  .section{padding:72px 0;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-burger{display:grid;place-items:center;}
  .nav-shell{padding:8px 10px 8px 16px;min-height:64px;}
  .hero{padding:36px 0 24px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-media{aspect-ratio:16/10;}
  .evidence{grid-template-columns:repeat(2,1fr);}
  .evidence div:nth-child(2){border-right:0;}
  .evidence div:nth-child(1),.evidence div:nth-child(2){border-bottom:1px solid rgba(242,193,94,.12);}
  .bento{grid-template-columns:repeat(2,1fr);}
  .b-8,.b-4,.b-6{grid-column:span 1;}
  .scene-grid{grid-template-columns:1fr;gap:28px;}
  .case-grid{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;}
  .news-lead{grid-template-columns:1fr;}
  .news-lead .lead-thumb{min-height:220px;aspect-ratio:16/8;}
  .faq-form{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-contact{grid-column:span 2;}
  .cta-band{padding:38px 28px;}
}
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.8;}
  .wrap{padding:0 18px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:30px;}
  .hero h1{font-size:31px;line-height:1.24;}
  .hero-lead{font-size:15.5px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .bento{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .evidence div{padding:20px 16px;}
  .evidence strong{font-size:25px;}
  .card{padding:22px;}
  .card--media .body{padding:20px;}
  .price-main{padding:26px;}
  .price-main::before{right:18px;top:18px;}
  .form-card{padding:24px;}
  .cta-band{padding:30px 22px;flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-contact{grid-column:span 1;}
  .mobile-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:110;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:rgba(5,11,18,.94);border-top:1px solid var(--line);
    backdrop-filter:blur(14px);
  }
  .mobile-cta .btn{width:100%;}
  .site-footer{padding-bottom:88px;}
}
@media (max-width:520px){
  .hero h1{font-size:27px;}
  .hero-tags .tag{font-size:12px;padding:6px 12px;}
  .scene-tab{font-size:13px;padding:9px 16px;}
  .news-lead .lead-body{padding:22px;}
  .case .case-body{padding:20px;}
}

/* roulang page: category1 */
:root{
  --ink:#050B12;
  --ink-2:#0A1722;
  --ink-3:#0E1F2C;
  --gold:#F2C15E;
  --gold-deep:#D99A2B;
  --jade:#67D6C2;
  --text:#EAF2F1;
  --muted:#9BB0B8;
  --line:rgba(242,193,94,.16);
  --line-soft:rgba(234,242,241,.09);
  --glass:rgba(12,27,38,.62);
  --glass-2:rgba(14,31,44,.78);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow:0 18px 60px rgba(0,0,0,.35);
  --shadow-hover:0 26px 74px rgba(0,0,0,.5);
  --ease:cubic-bezier(.22,.61,.36,1);
  --wrap:1240px;
  --serif:"Noto Serif SC","Songti SC",STSong,"SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 520px at 12% -8%, rgba(242,193,94,.10), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(103,214,194,.08), transparent 60%),
    linear-gradient(180deg,#050B12 0%,#050B12 55%,#070F17 100%);
  background-repeat:no-repeat;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
a:hover{color:var(--gold)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0;font-family:var(--serif);font-weight:700;line-height:1.28;letter-spacing:.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(242,193,94,.28);color:#fff}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}

/* 容器 */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:34px;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16px;line-height:1.85;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;letter-spacing:.14em;color:var(--gold);
  text-transform:none;margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 28px;border-radius:999px;border:1px solid transparent;
  font-size:15.5px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease),border-color .28s var(--ease),color .28s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#F7D585 0%,var(--gold) 46%,var(--gold-deep) 100%);
  color:#1A1205;
  box-shadow:0 12px 34px rgba(242,193,94,.28),inset 0 1px 0 rgba(255,255,255,.4);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 44px rgba(242,193,94,.42),inset 0 1px 0 rgba(255,255,255,.5);color:#1A1205}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:rgba(12,27,38,.5);
  border-color:rgba(103,214,194,.34);
  color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:var(--jade);color:var(--jade);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 20px;font-size:14px}

/* 标签 */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:rgba(103,214,194,.10);
  border:1px solid rgba(103,214,194,.26);
  color:var(--jade);font-size:12.5px;letter-spacing:.04em;line-height:1.5;
}
.tag-gold{background:rgba(242,193,94,.10);border-color:rgba(242,193,94,.32);color:var(--gold)}
.tag-plain{background:rgba(234,242,241,.05);border-color:var(--line-soft);color:var(--muted)}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:14px 0 10px;
  background:linear-gradient(180deg,rgba(5,11,18,.92),rgba(5,11,18,.35) 72%,transparent);
}
.nav-shell{
  display:flex;align-items:center;gap:22px;
  min-height:68px;padding:10px 14px 10px 18px;
  border-radius:999px;
  background:rgba(10,23,34,.72);
  border:1px solid var(--line);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 14px 40px rgba(0,0,0,.38);
}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:grid;place-items:center;
  font-family:var(--serif);font-size:19px;font-weight:700;color:#1A1205;
  background:linear-gradient(140deg,#F7D585,var(--gold-deep));
  box-shadow:0 8px 20px rgba(242,193,94,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-text b{font-family:var(--serif);font-size:16.5px;color:var(--text);letter-spacing:.04em}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.16em}
.nav-links{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-links a{
  position:relative;padding:9px 15px;border-radius:999px;
  font-size:14.5px;color:rgba(234,242,241,.82);
  transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%) scaleX(0);
  width:20px;height:2px;border-radius:2px;background:var(--gold);
  transition:transform .26s var(--ease);
}
.nav-links a:hover{color:var(--gold);background:rgba(242,193,94,.07)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:translateX(-50%) scaleX(1)}
.nav-links a.is-active{color:var(--gold);background:rgba(242,193,94,.10)}
.nav-cta{
  flex:0 0 auto;padding:11px 22px;border-radius:999px;
  font-size:14px;font-weight:600;color:#1A1205;
  background:linear-gradient(135deg,#F7D585,var(--gold-deep));
  box-shadow:0 10px 26px rgba(242,193,94,.26);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(242,193,94,.4);color:#1A1205}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:14px;flex:0 0 auto;
  background:rgba(234,242,241,.06);border:1px solid var(--line-soft);
  color:var(--text);font-size:18px;line-height:1;cursor:pointer;
}

/* 面包屑 */
.crumbs{padding:22px 0 0;font-size:13.5px;color:var(--muted)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li{display:inline-flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:rgba(155,176,184,.5)}
.crumbs a{color:rgba(234,242,241,.8)}
.crumbs a:hover{color:var(--gold)}
.crumbs strong{color:var(--gold);font-weight:600}

/* Hero */
.hero{position:relative;padding:34px 0 0}
.hero-stage{
  position:relative;overflow:hidden;border-radius:28px;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:#08131C;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  filter:saturate(.9);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(5,11,18,.95) 0%,rgba(5,11,18,.86) 44%,rgba(5,11,18,.42) 78%,rgba(5,11,18,.62) 100%),
    linear-gradient(0deg,rgba(5,11,18,.9),transparent 55%);
}
.hero-grid{
  position:absolute;inset:0;opacity:.34;pointer-events:none;
  background-image:linear-gradient(rgba(242,193,94,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(242,193,94,.10) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(70% 60% at 70% 40%,#000,transparent 78%);
  -webkit-mask-image:radial-gradient(70% 60% at 70% 40%,#000,transparent 78%);
}
.hero-inner{position:relative;padding:76px 60px 66px;max-width:860px}
.hero h1{
  font-size:50px;line-height:1.16;letter-spacing:.02em;
  margin:8px 0 20px;
}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero-sub{
  font-size:17px;line-height:1.9;color:rgba(234,242,241,.84);
  max-width:640px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px}
.hero-marks{
  position:relative;display:flex;flex-wrap:wrap;gap:28px;
  padding:20px 60px 26px;border-top:1px solid rgba(242,193,94,.14);
  background:linear-gradient(180deg,rgba(5,11,18,.2),rgba(5,11,18,.7));
}
.hero-marks span{font-size:13.5px;color:var(--muted)}
.hero-marks b{color:var(--gold);font-family:var(--serif);font-size:16px;margin-right:6px}

/* 数据带 */
.evidence{
  margin-top:28px;
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line-soft);border-radius:var(--radius-md);
  background:rgba(12,27,38,.52);
  overflow:hidden;
}
.evidence-item{padding:22px 26px;border-right:1px solid var(--line-soft)}
.evidence-item:last-child{border-right:0}
.evidence-item b{
  display:block;font-family:var(--serif);font-size:27px;color:var(--gold);
  line-height:1.2;margin-bottom:6px;
}
.evidence-item span{font-size:13.5px;color:var(--muted)}

/* 内容卡错位网格 */
.card-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.card-grid .content-card:nth-child(even){margin-top:46px}
.content-card{
  display:flex;flex-direction:column;
  background:var(--glass);border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:0 12px 34px rgba(0,0,0,.26);
  transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
}
.content-card:hover{
  transform:translateY(-4px);border-color:rgba(242,193,94,.42);box-shadow:var(--shadow-hover);
}
.content-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0B1A25}
.content-card .thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .6s var(--ease);
}
.content-card:hover .thumb img{transform:scale(1.05)}
.content-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,11,18,.05),rgba(5,11,18,.72));
}
.thumb-badge{
  position:absolute;left:16px;top:16px;z-index:2;
  padding:5px 13px;border-radius:999px;font-size:12px;
  background:rgba(5,11,18,.72);border:1px solid rgba(242,193,94,.4);
  color:var(--gold);backdrop-filter:blur(8px);
}
.thumb-time{
  position:absolute;right:16px;bottom:14px;z-index:2;
  font-size:12.5px;color:rgba(234,242,241,.9);
  padding:4px 11px;border-radius:999px;
  background:rgba(5,11,18,.7);border:1px solid var(--line-soft);
}
.content-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.content-card h3{font-size:20px;line-height:1.45}
.content-card .body p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:6px;font-size:13.5px;color:var(--muted);
}
.card-link{display:inline-flex;align-items:center;gap:7px;color:var(--gold);font-weight:600;font-size:14px}
.card-link i{font-style:normal;transition:transform .28s var(--ease)}
.content-card:hover .card-link i{transform:translateX(4px)}

/* 时间线 */
.timeline{position:relative;margin-top:8px;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:8px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,rgba(242,193,94,.7),rgba(242,193,94,.12));
}
.timeline-item{position:relative;padding:0 0 34px 4px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-32px;top:8px;width:13px;height:13px;border-radius:50%;
  background:var(--ink);border:2px solid var(--gold);
  box-shadow:0 0 0 4px rgba(242,193,94,.12);
}
.timeline-item h3{font-size:19px;margin-bottom:8px}
.timeline-item h3 span{font-size:12.5px;color:var(--jade);font-family:var(--sans);margin-left:10px;letter-spacing:.06em}
.timeline-item p{font-size:14.5px;color:var(--muted);line-height:1.85;margin:0;max-width:720px}
.tl-panel{
  margin-top:34px;padding:26px 30px;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(242,193,94,.10),rgba(12,27,38,.62) 60%);
  border:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.tl-panel p{margin:0;font-size:15px;color:rgba(234,242,241,.86)}

/* 双栏图文 */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  aspect-ratio:4/3;
}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(5,11,18,.05),rgba(5,11,18,.7));
}
.split-float{
  position:absolute;left:20px;bottom:20px;z-index:2;
  display:flex;gap:10px;flex-wrap:wrap;
}
.point-list{display:grid;gap:14px;margin-top:24px}
.point-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 18px;border-radius:var(--radius-sm);
  background:rgba(12,27,38,.5);border:1px solid var(--line-soft);
  font-size:14.5px;color:rgba(234,242,241,.86);line-height:1.8;
}
.point-list li b{color:var(--gold);flex:0 0 auto;font-weight:600}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  border-radius:var(--radius-md);
  background:var(--glass);border:1px solid var(--line-soft);
  overflow:hidden;transition:border-color .28s var(--ease),background .28s var(--ease);
}
.faq-item[open]{border-color:rgba(242,193,94,.4);background:rgba(14,31,44,.8)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16.5px;font-family:var(--serif);font-weight:700;
  transition:color .24s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;font-size:17px;font-family:var(--sans);
  color:var(--gold);border:1px solid rgba(242,193,94,.35);
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:rgba(242,193,94,.14)}
.faq-item summary:hover{color:var(--gold)}
.faq-answer{
  padding:0 24px 22px;font-size:14.8px;color:var(--muted);line-height:1.9;
  border-left:2px solid var(--gold);margin-left:24px;
}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:28px;border:1px solid var(--line);
  padding:62px 56px;
  background-image:linear-gradient(100deg,rgba(5,11,18,.96),rgba(10,23,34,.82)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:32px;margin-bottom:14px}
.cta-band p{color:rgba(234,242,241,.82);max-width:620px;font-size:16px;margin-bottom:28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-note{margin-top:20px;font-size:13.5px;color:var(--muted)}

/* 页脚 */
.site-footer{
  margin-top:96px;padding:66px 0 30px;
  background:#04090F;
  border-top:1px solid rgba(242,193,94,.2);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.9;margin-top:16px;max-width:340px}
.footer-col h4{
  font-size:14px;font-family:var(--sans);font-weight:600;letter-spacing:.1em;
  color:var(--gold);margin-bottom:16px;
}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:rgba(234,242,241,.76);transition:color .24s var(--ease),padding-left .24s var(--ease)}
.footer-col a:hover{color:var(--gold);padding-left:4px}
.footer-contact p{font-size:14px;color:var(--muted);margin:0 0 10px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:24px;border-top:1px solid rgba(234,242,241,.08);
  font-size:13px;color:rgba(155,176,184,.8);
}

/* 响应式 */
@media (max-width:1199px){
  .hero h1{font-size:44px}
  .hero-inner{padding:64px 44px 56px}
  .hero-marks{padding:18px 44px 22px;gap:20px}
  .nav-links a{padding:9px 11px;font-size:13.5px}
  .split{gap:34px}
}
@media (max-width:1023px){
  .nav-links{
    display:none;
  }
  .nav-shell{flex-wrap:wrap;border-radius:24px;padding:12px 16px}
  .nav-burger{display:inline-grid;place-items:center;margin-left:auto}
  .nav-cta{margin-left:auto}
  .nav-shell.is-open .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:6px;
    order:5;width:100%;margin:12px 0 4px;
    padding-top:12px;border-top:1px solid var(--line-soft);
  }
  .nav-shell.is-open .nav-links a{padding:14px 16px;border-radius:14px;font-size:15.5px}
  .nav-shell.is-open .nav-links a::after{display:none}
  .evidence{grid-template-columns:repeat(2,1fr)}
  .evidence-item:nth-child(2){border-right:0}
  .evidence-item:nth-child(1),.evidence-item:nth-child(2){border-bottom:1px solid var(--line-soft)}
  .split{grid-template-columns:1fr}
  .split-media{order:-1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:76px 0}
}
@media (max-width:767px){
  .wrap{padding:0 18px}
  .brand-text b{font-size:15px}
  .nav-cta{padding:9px 16px;font-size:13px}
  .hero{padding-top:22px}
  .hero-inner{padding:46px 24px 40px}
  .hero h1{font-size:32px;line-height:1.25}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .hero-marks{padding:16px 24px 20px;gap:14px}
  .section-head h2{font-size:26px}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .card-grid .content-card:nth-child(even){margin-top:0}
  .evidence-item{padding:18px 18px}
  .evidence-item b{font-size:23px}
  .cta-band{padding:40px 24px;border-radius:22px}
  .cta-band h2{font-size:25px}
  .cta-actions .btn{width:100%}
  .timeline{padding-left:26px}
  .timeline-item::before{left:-25px}
  .tl-panel{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{margin-top:70px;padding-top:48px}
  .section{padding:58px 0}
  .crumbs{font-size:12.5px}
}
@media (max-width:519px){
  .hero h1{font-size:29px}
  .evidence{grid-template-columns:1fr}
  .evidence-item{border-right:0;border-bottom:1px solid var(--line-soft)}
  .evidence-item:last-child{border-bottom:0}
  .faq-item summary{font-size:15.5px;padding:17px 18px}
  .faq-answer{margin-left:18px;padding:0 18px 18px}
}

/* roulang page: article */
:root{
  --bg:#050B12;
  --bg-soft:#0A1722;
  --glass:rgba(12,27,38,.62);
  --line:rgba(242,193,94,.16);
  --line-soft:rgba(234,242,241,.08);
  --gold:#F2C15E;
  --gold-deep:#D99A2B;
  --jade:#67D6C2;
  --text:#EAF2F1;
  --muted:#9BB0B8;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:14px;
  --shadow:0 18px 60px rgba(0,0,0,.35);
  --wrap:1240px;
  --serif:"Noto Serif SC","Songti SC","STSong",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 78% -12%, rgba(242,193,94,.10), transparent 62%),
    radial-gradient(900px 520px at 4% 6%, rgba(103,214,194,.08), transparent 58%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
a:hover{text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:700;margin:0;}
p{margin:0;}
ul,ol{margin:0;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 28px;}
@media(max-width:1023px){.wrap{padding:0 22px;}}
@media(max-width:767px){.wrap{padding:0 18px;}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:90;padding:16px 0;transition:padding .25s ease;}
.site-header .wrap{padding:0 28px;}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  height:68px;padding:0 22px;
  border-radius:999px;
  background:rgba(10,23,34,.72);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  box-shadow:0 18px 60px rgba(0,0,0,.35);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled .nav-shell{background:rgba(6,15,23,.94);box-shadow:0 22px 58px rgba(0,0,0,.55);border-color:rgba(242,193,94,.26);}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#F7D488,#D99A2B);
  color:#08131c;font-weight:800;font-size:17px;font-family:var(--serif);
  box-shadow:0 8px 22px rgba(242,193,94,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:15px;color:var(--text);letter-spacing:.02em;font-weight:700;}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:.16em;margin-top:2px;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:999px;
  font-size:14px;color:var(--muted);white-space:nowrap;
  transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-links a:hover{color:var(--gold);background:rgba(242,193,94,.08);}
.nav-links a.is-active{color:var(--gold);background:rgba(242,193,94,.12);box-shadow:inset 0 0 0 1px rgba(242,193,94,.22);}
.nav-links a:focus-visible{outline:2px solid var(--gold);outline-offset:2px;}
.nav-cta{
  margin-left:10px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 24px;border-radius:999px;
  font-size:14px;font-weight:700;color:#0a1722;
  background:linear-gradient(135deg,#F7D488,#D99A2B);
  box-shadow:0 10px 30px rgba(242,193,94,.24);
  transition:transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(242,193,94,.36);color:#0a1722;}
.nav-cta:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
.nav-cta:active{transform:translateY(1px);}
.nav-burger{
  display:none;margin-left:auto;place-items:center;
  width:42px;height:42px;border-radius:12px;
  background:rgba(242,193,94,.10);border:1px solid var(--line);
  color:var(--gold);font-size:18px;line-height:1;cursor:pointer;
  transition:background .2s ease;
}
.nav-burger:hover{background:rgba(242,193,94,.18);}
.nav-burger:focus-visible{outline:2px solid var(--gold);outline-offset:2px;}

/* ---------- drawer ---------- */
.nav-drawer{
  position:fixed;inset:0;z-index:130;
  display:flex;flex-direction:column;
  padding:22px;
  background:rgba(5,11,18,.98);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  transform:translateY(-100%);opacity:0;visibility:hidden;pointer-events:none;
  transition:transform .38s cubic-bezier(.22,.9,.3,1),opacity .28s ease,visibility .38s ease;
}
.nav-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line-soft);}
.drawer-close{
  width:42px;height:42px;border-radius:12px;cursor:pointer;
  background:rgba(242,193,94,.08);border:1px solid var(--line);
  color:var(--gold);font-size:17px;line-height:1;
}
.drawer-close:hover{background:rgba(242,193,94,.18);}
.drawer-links{display:flex;flex-direction:column;margin-top:14px;flex:1;overflow-y:auto;}
.drawer-links a{padding:16px 4px;font-size:17px;color:var(--text);border-bottom:1px solid rgba(234,242,241,.06);transition:color .2s ease;}
.drawer-links a:hover,.drawer-links a:focus-visible{color:var(--gold);}
.drawer-cta{justify-content:center;width:100%;margin-top:18px;}

/* ---------- buttons ---------- */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:999px;border:0;cursor:pointer;
  font-size:15px;font-weight:700;color:#0a1722;
  background:linear-gradient(135deg,#F7D488,#D99A2B);
  box-shadow:0 12px 34px rgba(242,193,94,.24);
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 44px rgba(242,193,94,.34);color:#0a1722;}
.btn-primary:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;cursor:pointer;
  font-size:15px;color:var(--jade);
  background:rgba(255,255,255,.03);
  border:1px solid rgba(103,214,194,.35);
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(103,214,194,.10);border-color:var(--jade);color:#9ff0e2;transform:translateY(-2px);}
.btn-ghost:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
.btn-ghost:active{transform:translateY(1px);}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;letter-spacing:.06em;
  background:rgba(242,193,94,.10);
  border:1px solid rgba(242,193,94,.28);
  color:var(--gold);
  white-space:nowrap;
}
.badge-jade{background:rgba(103,214,194,.10);border-color:rgba(103,214,194,.30);color:var(--jade);}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;
  padding:52px 0 10px;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,11,18,.88),rgba(5,11,18,.95) 62%,var(--bg) 100%);
}
.article-hero > .wrap{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:26px;
}
.breadcrumb a{color:var(--muted);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--gold);}
.breadcrumb a:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px;}
.breadcrumb .sep{opacity:.45;}
.breadcrumb .crumb-current{color:var(--text);}
.article-title{
  font-family:var(--serif);
  font-size:clamp(28px,4.2vw,50px);
  line-height:1.22;
  letter-spacing:.01em;
  color:#fff;
  margin:16px 0 0;
  max-width:960px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
  margin-top:22px;font-size:13.5px;color:var(--muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(242,193,94,.55);}
.article-deck{
  margin-top:20px;max-width:760px;
  font-size:15.5px;line-height:1.85;color:#c6d6d4;
}

/* ---------- reading ---------- */
.article-body-sec{padding:36px 0 84px;}
.reading-card{
  max-width:880px;margin:0 auto;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.04);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  padding:50px 56px;
}
@media(max-width:900px){.reading-card{padding:34px 26px;border-radius:20px;}}
@media(max-width:520px){.reading-card{padding:26px 18px;}}
.prose{font-size:17px;line-height:1.9;color:var(--text);word-break:break-word;}
.prose > *:first-child{margin-top:0;}
.prose p{margin:0 0 1.1em;}
.prose h2{
  position:relative;
  font-family:var(--serif);
  font-size:26px;line-height:1.4;
  color:#fff;
  margin:2em 0 .8em;
  padding-left:16px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--gold),var(--gold-deep));
}
.prose h3{
  font-family:var(--serif);
  font-size:20px;line-height:1.5;color:#fff;
  margin:1.8em 0 .6em;
}
.prose h4{font-size:17px;color:var(--gold);margin:1.6em 0 .5em;}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.5em;}
.prose li{margin:.42em 0;}
.prose blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-radius:var(--radius-md);
  background:rgba(103,214,194,.06);
  border-left:3px solid var(--jade);
  color:#cfe4e1;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:var(--radius-md);margin:1.4em 0;width:100%;height:auto;object-fit:cover;}
.prose figure{margin:1.6em 0;}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.prose a{color:var(--gold);border-bottom:1px solid rgba(242,193,94,.42);transition:color .2s ease;}
.prose a:hover{color:#ffd98a;}
.prose strong{color:#fff;}
.prose hr{border:0;height:1px;background:var(--line);margin:2.2em 0;}
.prose table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;}
.prose th,.prose td{border:1px solid var(--line-soft);padding:10px 13px;text-align:left;vertical-align:top;}
.prose th{background:rgba(242,193,94,.08);color:var(--gold);font-weight:600;}
.prose code{background:rgba(242,193,94,.10);color:var(--gold);padding:2px 6px;border-radius:6px;font-size:.92em;}

.empty-state{text-align:center;padding:30px 8px 14px;}
.empty-state h2{font-family:var(--serif);font-size:26px;color:#fff;margin-bottom:12px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:26px;}

/* ---------- related ---------- */
.related{padding:0 0 92px;}
.section-head{max-width:660px;margin-bottom:34px;}
.section-head h2{font-family:var(--serif);font-size:clamp(24px,3vw,32px);color:#fff;line-height:1.3;margin-bottom:10px;}
.section-head p{color:var(--muted);font-size:15px;line-height:1.8;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media(max-width:980px){.related-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:680px){.related-grid{grid-template-columns:1fr;gap:18px;}}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(242,193,94,.42);box-shadow:0 24px 60px rgba(0,0,0,.45);}
.rel-card:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.05);}
.rel-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(5,11,18,.72));}
.rel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-family:var(--serif);font-size:19px;line-height:1.45;color:#fff;}
.rel-body p{font-size:14px;line-height:1.75;color:var(--muted);}
.rel-link{margin-top:auto;font-size:14px;color:var(--gold);display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease;}
.rel-card:hover .rel-link{gap:10px;}

/* ---------- cta ---------- */
.cta-sec{padding:0 0 92px;}
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  padding:56px;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  box-shadow:var(--shadow);
}
.cta-panel::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(5,11,18,.95),rgba(10,23,34,.82));}
.cta-inner{position:relative;z-index:2;max-width:640px;}
.cta-inner h2{font-family:var(--serif);font-size:clamp(24px,3vw,32px);color:#fff;line-height:1.35;margin-bottom:14px;}
.cta-inner p{color:#c3d3d2;font-size:15.5px;line-height:1.85;margin-bottom:26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
@media(max-width:767px){.cta-panel{padding:34px 22px;} .cta-actions .btn-primary,.cta-actions .btn-ghost{width:100%;}}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,23,34,.55),rgba(5,11,18,.98));
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:36px;}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.85;margin-top:18px;max-width:330px;}
.footer-col h4{font-size:13px;letter-spacing:.12em;color:var(--gold);margin-bottom:18px;font-weight:600;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:var(--muted);font-size:14px;transition:color .2s ease;}
.footer-col a:hover{color:var(--gold);}
.footer-col a:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px;}
.footer-contact p{color:var(--muted);font-size:14px;margin-bottom:9px;line-height:1.7;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
@media(max-width:980px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px;}}
@media(max-width:600px){.footer-grid{grid-template-columns:1fr;gap:28px;} .site-footer{padding:48px 0 24px;}}

/* ---------- responsive nav ---------- */
@media(max-width:1023px){
  .site-header{padding:12px 0;}
  .nav-shell{height:62px;padding:0 16px;gap:12px;}
  .nav-links,.nav-cta{display:none;}
  .nav-burger{display:grid;}
  .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;font-size:15px;}
  .brand-text b{font-size:14px;}
  .brand-text span{font-size:10px;letter-spacing:.12em;}
}
@media(max-width:767px){
  .article-hero{padding:34px 0 8px;}
  .article-body-sec{padding:26px 0 60px;}
  .related,.cta-sec{padding-bottom:60px;}
  .breadcrumb{font-size:12px;margin-bottom:20px;}
  .article-meta{font-size:12.5px;gap:8px 12px;}
  .prose{font-size:16px;line-height:1.85;}
  .prose h2{font-size:22px;}
  .prose h3{font-size:18px;}
}

/* roulang page: category2 */
:root{
  --bg:#050B12;
  --bg-2:#0A1722;
  --glass:rgba(12,27,38,.62);
  --glass-strong:rgba(10,23,34,.86);
  --line:rgba(242,193,94,.16);
  --line-soft:rgba(234,242,241,.08);
  --gold:#F2C15E;
  --gold-deep:#D99A2B;
  --jade:#67D6C2;
  --text:#EAF2F1;
  --muted:#9BB0B8;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:14px;
  --shadow:0 18px 60px rgba(0,0,0,.35);
  --shadow-hover:0 26px 70px rgba(0,0,0,.5);
  --serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(1100px 560px at 12% -8%, rgba(242,193,94,.13), transparent 62%),
    radial-gradient(900px 520px at 88% 2%, rgba(103,214,194,.10), transparent 58%),
    linear-gradient(180deg,#050B12 0%,#060E16 45%,#050B12 100%);
  background-repeat:no-repeat;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;margin:0;letter-spacing:.01em;color:var(--text);}
h1{font-size:clamp(32px,4.4vw,52px);line-height:1.16;}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28;}
h3{font-size:20px;line-height:1.45;}
h4{font-size:16px;line-height:1.5;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease;}
img{max-width:100%;display:block;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible,.btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px;}
.section{padding:84px 0;position:relative;}
.section-tight{padding:56px 0;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.18em;color:var(--gold);text-transform:none;margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--gold),transparent);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-sub{color:var(--muted);font-size:16px;margin-top:14px;line-height:1.85;}
.muted{color:var(--muted);}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:80;padding:14px 0;}
.nav-shell{
  display:flex;align-items:center;gap:20px;
  height:70px;padding:0 12px 0 18px;
  border-radius:999px;
  background:rgba(10,23,34,.74);
  border:1px solid var(--line);
  box-shadow:0 18px 60px rgba(0,0,0,.42), inset 0 1px 0 rgba(255,255,255,.05);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:13px;
  display:grid;place-items:center;
  font-family:var(--serif);font-size:21px;font-weight:700;color:#1A1206;
  background:linear-gradient(145deg,#F8D386,#D99A2B);
  box-shadow:0 10px 24px rgba(242,193,94,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-family:var(--serif);font-size:17px;letter-spacing:.02em;color:var(--text);}
.brand-text span{font-size:11.5px;letter-spacing:.16em;color:var(--muted);}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-links a{
  position:relative;display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:14.5px;color:var(--muted);white-space:nowrap;
  transition:color .22s ease,background .22s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-links a.is-active{color:var(--gold);background:rgba(242,193,94,.12);}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--gold);
}
.nav-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  padding:11px 22px;border-radius:999px;font-size:14.5px;font-weight:600;
  color:#1A1206;background:linear-gradient(135deg,#F6CE79,#D99A2B);
  box-shadow:0 12px 28px rgba(242,193,94,.26);
  transition:transform .22s ease,box-shadow .22s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(242,193,94,.38);}
.nav-cta:active{transform:translateY(1px);}
.nav-burger{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;
  background:rgba(242,193,94,.1);border:1px solid var(--line);
  color:var(--gold);font-size:19px;line-height:1;cursor:pointer;
  position:relative;z-index:95;
  transition:background .22s ease,transform .22s ease;
}
.nav-burger:hover{background:rgba(242,193,94,.18);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;text-align:center;
  font-family:var(--sans);
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:linear-gradient(135deg,#F6CE79,#D99A2B);color:#1A1206;box-shadow:0 12px 30px rgba(242,193,94,.26);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(242,193,94,.4);color:#120C04;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:rgba(12,27,38,.6);color:var(--text);border-color:rgba(103,214,194,.36);}
.btn-ghost:hover{border-color:var(--jade);color:#BFF3E9;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-block{width:100%;}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:var(--muted);margin-bottom:28px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--gold);}
.crumb i{font-style:normal;color:rgba(155,176,184,.55);}
.crumb span{color:var(--gold);}

/* ============ Hero ============ */
.page-hero{padding:48px 0 12px;position:relative;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;}
.hero-copy h1{margin-bottom:20px;}
.hero-copy h1 em{font-style:normal;color:var(--gold);}
.lead{font-size:17px;line-height:1.9;color:#C7D6D8;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.hero-facts li{
  font-size:13px;color:var(--muted);padding:6px 14px;border-radius:999px;
  border:1px solid var(--line-soft);background:rgba(255,255,255,.03);
}
.hero-media{
  position:relative;margin:0;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:4/3;
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,11,18,.06) 30%,rgba(5,11,18,.86) 100%);
}
.hero-media figcaption{
  position:absolute;left:20px;bottom:18px;right:20px;z-index:2;
  font-size:13px;color:#D5E3E2;letter-spacing:.04em;
}
.hero-float{
  position:absolute;top:18px;left:18px;z-index:2;
  padding:7px 15px;border-radius:999px;font-size:12.5px;letter-spacing:.1em;
  color:#0F1B17;background:linear-gradient(135deg,#8FEFDE,#67D6C2);
  box-shadow:0 10px 24px rgba(103,214,194,.3);
}

/* ============ 标签云 ============ */
.chip-list{display:flex;flex-wrap:wrap;gap:12px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;font-size:14.5px;color:#D8E5E4;
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(10px);
  transition:transform .22s ease,border-color .22s ease,color .22s ease,background .22s ease;
}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);opacity:.8;}
.chip:nth-child(3n)::before{background:var(--jade);}
.chip:hover{transform:translateY(-3px);border-color:rgba(242,193,94,.5);color:var(--gold);background:rgba(242,193,94,.08);}

/* ============ 卡片 ============ */
.grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.card{
  position:relative;display:flex;flex-direction:column;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);overflow:hidden;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(242,193,94,.45);box-shadow:var(--shadow-hover);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#08131C;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.card:hover .card-media img{transform:scale(1.05);}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,11,18,0) 40%,rgba(5,11,18,.72) 100%);}
.card-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:20px;}
.card-body p{font-size:14.8px;color:var(--muted);line-height:1.8;margin:0;}
.card-link{
  display:inline-flex;align-items:center;gap:7px;margin-top:auto;padding-top:6px;
  font-size:14px;color:var(--gold);font-weight:600;
}
.card-link span{transition:transform .22s ease;display:inline-block;}
.card-link:hover{color:#FFD98A;}
.card-link:hover span{transform:translateX(4px);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:12.5px;letter-spacing:.06em;
  color:var(--gold);background:rgba(242,193,94,.09);border:1px solid var(--line);
}
.badge.jade{color:var(--jade);background:rgba(103,214,194,.09);border-color:rgba(103,214,194,.28);}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:rgba(155,176,184,.9);}

/* ============ 引用卡 ============ */
.quote-card{
  position:relative;margin:0;padding:52px 56px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(242,193,94,.10),rgba(103,214,194,.06));
  border:1px solid var(--line);box-shadow:var(--shadow);
  overflow:hidden;
}
.quote-card::before{
  content:"“";position:absolute;top:6px;left:26px;
  font-family:var(--serif);font-size:120px;line-height:1;color:rgba(242,193,94,.16);
}
.quote-card p{
  position:relative;font-family:var(--serif);font-size:clamp(19px,2.2vw,26px);
  line-height:1.7;color:#F1F7F6;margin:0 0 18px;max-width:820px;
}
.quote-card cite{font-style:normal;font-size:13.5px;letter-spacing:.1em;color:var(--gold);}

/* ============ 数据带 ============ */
.stat-band{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border-radius:var(--radius-lg);border:1px solid var(--line);
  background:rgba(10,23,34,.6);overflow:hidden;
}
.stat-item{padding:26px 24px;border-right:1px solid var(--line-soft);}
.stat-item:last-child{border-right:0;}
.stat-item b{display:block;font-family:var(--serif);font-size:26px;color:var(--gold);line-height:1.2;margin-bottom:6px;}
.stat-item span{font-size:13px;color:var(--muted);}

/* ============ 列表区 ============ */
.point-list li{
  position:relative;padding-left:22px;margin-bottom:12px;
  font-size:15px;color:var(--muted);line-height:1.8;
}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;
  background:linear-gradient(135deg,var(--gold),var(--gold-deep));
}
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}

/* ============ FAQ ============ */
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:14px;overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
  backdrop-filter:blur(10px);
}
.faq-item:hover{border-color:rgba(242,193,94,.36);}
.faq-item[open]{border-color:rgba(242,193,94,.45);box-shadow:inset 3px 0 0 var(--gold),0 14px 40px rgba(0,0,0,.3);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-family:var(--serif);font-size:17px;color:var(--text);
  transition:color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-family:var(--sans);font-size:22px;line-height:1;
  color:var(--gold);transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg);}
.faq-item summary:hover{color:var(--gold);}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.85;}

/* ============ CTA ============ */
.cta-panel{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  background-image:linear-gradient(120deg,rgba(5,11,18,.94) 30%,rgba(5,11,18,.62) 100%),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-inner{display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;padding:56px;}
.cta-inner h2{margin-bottom:16px;}
.cta-inner p{color:#C7D6D8;font-size:16px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-notes{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.cta-notes span{font-size:12.5px;color:var(--jade);padding:5px 13px;border-radius:999px;border:1px solid rgba(103,214,194,.28);background:rgba(103,214,194,.08);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;padding:66px 0 30px;
  background:linear-gradient(180deg,rgba(10,23,34,.4),rgba(5,11,18,.96));
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand p{margin-top:18px;font-size:14px;color:var(--muted);line-height:1.85;max-width:340px;}
.footer-col h4{font-size:14px;letter-spacing:.1em;color:var(--text);margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:var(--muted);}
.footer-col ul li a:hover{color:var(--gold);}
.footer-contact p{font-size:14px;color:var(--muted);margin-bottom:8px;}
.footer-contact a{color:var(--jade);}
.footer-contact a:hover{color:var(--gold);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-soft);
  font-size:13px;color:rgba(155,176,184,.85);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-grid{gap:34px;}
  .cta-inner{padding:44px;grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:1023px){
  .wrap{padding:0 22px;}
  .section{padding:66px 0;}
  .nav-shell{height:64px;gap:10px;justify-content:space-between;padding:0 10px 0 14px;backdrop-filter:none;-webkit-backdrop-filter:none;}
  .nav-cta{display:none;}
  .nav-burger{display:inline-flex;}
  .nav-links{
    position:fixed;inset:0;z-index:90;margin:0;
    flex-direction:column;align-items:stretch;justify-content:center;gap:6px;
    padding:100px 26px 120px;
    background:rgba(5,11,18,.97);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .25s ease,visibility .25s ease;
    overflow-y:auto;
  }
  .nav-open .nav-links{opacity:1;visibility:visible;pointer-events:auto;}
  .nav-links a{font-size:19px;padding:15px 18px;border-radius:14px;color:#D6E3E2;}
  .nav-links a.is-active::after{display:none;}
  .nav-links a.is-active{background:rgba(242,193,94,.12);}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .lead{max-width:none;}
  .split{grid-template-columns:1fr;gap:28px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line-soft);}
  .quote-card{padding:40px 34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  .section{padding:54px 0;}
  .section-tight{padding:42px 0;}
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .hero-media{aspect-ratio:16/10;}
  .card-body{padding:22px 20px 24px;}
  .hero-actions .btn{width:100%;}
  .cta-inner{padding:34px 24px;}
  .cta-actions .btn{width:100%;}
  .faq-item summary{font-size:16px;padding:16px 18px;}
  .faq-body{padding:0 18px 18px;font-size:14.6px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .page-hero{padding:32px 0 0;}
}
@media (max-width:520px){
  .brand-text span{display:none;}
  .brand-text b{font-size:15.5px;}
  .chip{font-size:13.5px;padding:8px 16px;}
  .quote-card{padding:34px 24px;}
  .stat-item{padding:20px 16px;}
  .crumb{font-size:12px;}
}

/* roulang page: category3 */
:root{
  --bg:#050B12;
  --bg-2:#0A1722;
  --panel:rgba(12,27,38,.62);
  --panel-2:rgba(16,34,46,.88);
  --line:rgba(242,193,94,.16);
  --line-soft:rgba(234,242,241,.10);
  --gold:#F2C15E;
  --gold-2:#D99A2B;
  --jade:#67D6C2;
  --text:#EAF2F1;
  --muted:#9BB0B8;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow:0 18px 60px rgba(0,0,0,.35);
  --font-title:"Noto Serif SC","Songti SC",STSong,serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --max:1240px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(103,214,194,.10), transparent 62%),
    radial-gradient(900px 520px at 6% 4%, rgba(242,193,94,.10), transparent 58%),
    var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  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 .25s ease, border-color .25s ease, background .25s ease;}
a:hover{color:var(--gold);}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--font-title);font-weight:700;color:var(--text);margin:0;letter-spacing:.01em;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;width:100%;}
.section{padding:88px 0;position:relative;}
.section--tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.12em;color:var(--gold);
  background:rgba(242,193,94,.08);
  border:1px solid var(--line);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 10px rgba(242,193,94,.9);}
h1{font-size:clamp(32px,4.2vw,54px);line-height:1.16;letter-spacing:.005em;}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28;}
h3{font-size:20px;line-height:1.45;}
.lead{font-size:17px;color:var(--muted);line-height:1.9;}
.muted{color:var(--muted);}
.gold{color:var(--gold);}
.jade{color:var(--jade);}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:14px 0;
  transition:background .3s ease, box-shadow .3s ease;
}
.site-header.is-stuck{background:rgba(5,11,18,.72);backdrop-filter:blur(14px);box-shadow:0 12px 40px rgba(0,0,0,.36);}
.nav-shell{
  display:flex;align-items:center;gap:20px;
  min-height:68px;
  padding:10px 16px 10px 20px;
  background:rgba(10,23,34,.72);
  border:1px solid var(--line);
  border-radius:999px;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 16px 44px rgba(0,0,0,.32), inset 0 1px 0 rgba(255,255,255,.05);
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,var(--gold),var(--gold-2));
  color:#161006;font-family:var(--font-title);font-weight:700;font-size:19px;
  box-shadow:0 6px 20px rgba(242,193,94,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-family:var(--font-title);font-size:16px;color:var(--text);letter-spacing:.04em;}
.brand-text span{font-size:12px;color:var(--muted);letter-spacing:.08em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  position:relative;
  padding:9px 14px;border-radius:999px;
  font-size:14.5px;color:#c9d7da;white-space:nowrap;
  transition:color .22s ease, background .22s ease;
}
.nav-links a:hover{color:var(--gold);background:rgba(242,193,94,.07);}
.nav-links a.is-active{color:var(--gold);background:rgba(242,193,94,.10);}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--gold);
  box-shadow:0 0 12px rgba(242,193,94,.75);
}
.nav-cta{
  flex-shrink:0;
  padding:11px 22px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:#1A1206;
  background:linear-gradient(135deg,var(--gold),var(--gold-2));
  box-shadow:0 8px 26px rgba(242,193,94,.28);
  transition:transform .22s ease, box-shadow .22s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(242,193,94,.42);color:#1A1206;}
.nav-cta:active{transform:translateY(1px);}
.nav-burger{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:14px;
  background:rgba(242,193,94,.08);
  border:1px solid var(--line);
  color:var(--gold);font-size:19px;line-height:1;cursor:pointer;
}
.nav-burger:hover{background:rgba(242,193,94,.16);}

/* ---------- Breadcrumb ---------- */
.crumb{padding:26px 0 0;}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);}
.crumb-list li{display:flex;align-items:center;gap:8px;}
.crumb-list li+li::before{content:"/";color:rgba(155,176,184,.45);}
.crumb-list a:hover{color:var(--gold);}
.crumb-list .current{color:var(--jade);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:52px 0 76px;}
.hero-bg{
  position:absolute;inset:0;
  background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  opacity:.30;
  filter:saturate(.85);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(5,11,18,.55), rgba(5,11,18,.94) 82%),
    radial-gradient(720px 420px at 78% 18%, rgba(103,214,194,.18), transparent 68%);
}
.hero .wrap{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:start;}
.hero h1{margin:14px 0 18px;}
.hero h1 em{font-style:normal;color:var(--gold);}
.hero .lead{max-width:600px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
}
.btn-primary{
  color:#1A1206;
  background:linear-gradient(135deg,var(--gold),var(--gold-2));
  box-shadow:0 10px 30px rgba(242,193,94,.30);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(242,193,94,.46);color:#1A1206;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  color:var(--text);
  background:rgba(103,214,194,.06);
  border-color:rgba(103,214,194,.34);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--jade);color:var(--jade);background:rgba(103,214,194,.12);}
.btn-ghost:active{transform:translateY(1px);}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;color:#cfe0e2;
  background:rgba(12,27,38,.72);
  border:1px solid var(--line-soft);
}
.tag--gold{color:var(--gold);border-color:var(--line);background:rgba(242,193,94,.08);}
.tag--jade{color:var(--jade);border-color:rgba(103,214,194,.30);background:rgba(103,214,194,.08);}

.hero-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.05);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.hero-card h2{font-size:18px;margin-bottom:6px;}
.hero-card .sub{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.hero-facts{display:grid;gap:14px;}
.hero-fact{display:flex;gap:12px;align-items:flex-start;}
.hero-fact .dot{
  flex-shrink:0;width:8px;height:8px;border-radius:50%;margin-top:9px;
  background:var(--gold);box-shadow:0 0 10px rgba(242,193,94,.8);
}
.hero-fact b{display:block;font-size:14.5px;color:var(--text);font-weight:600;}
.hero-fact span{font-size:13.5px;color:var(--muted);line-height:1.7;}
.hero-card .divider{height:1px;background:var(--line-soft);margin:18px 0;}
.hero-card .mini{font-size:13px;color:var(--muted);}

/* ---------- Evidence strip ---------- */
.strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:rgba(10,23,34,.62);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.strip-item{padding:26px 22px;border-right:1px solid var(--line-soft);}
.strip-item:last-child{border-right:0;}
.strip-item strong{display:block;font-family:var(--font-title);font-size:26px;color:var(--gold);line-height:1.2;}
.strip-item span{font-size:13.5px;color:var(--muted);}

/* ---------- Cards ---------- */
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.card{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:0 10px 34px rgba(0,0,0,.24), inset 0 1px 0 rgba(255,255,255,.04);
  transition:transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:0 22px 58px rgba(0,0,0,.40);}
.card h3{margin-bottom:10px;}
.card p{font-size:14.5px;color:var(--muted);margin-bottom:0;line-height:1.8;}
.card-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  font-family:var(--font-title);font-size:18px;color:var(--gold);
  background:rgba(242,193,94,.10);border:1px solid var(--line);margin-bottom:16px;
}
.card-media{
  margin:-26px -26px 20px;border-radius:var(--radius-lg) var(--radius-lg) 0 0;
  overflow:hidden;position:relative;aspect-ratio:16/9;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.card:hover .card-media img{transform:scale(1.05);}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:38px;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--gold),rgba(103,214,194,.45),rgba(242,193,94,.10));
  border-radius:2px;
}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-36px;top:9px;width:14px;height:14px;border-radius:50%;
  background:var(--bg-2);border:2px solid var(--gold);
  box-shadow:0 0 0 4px rgba(242,193,94,.10);
}
.tl-item .tl-step{
  font-size:12.5px;letter-spacing:.14em;color:var(--jade);margin-bottom:6px;
}
.tl-item h3{font-size:19px;margin-bottom:8px;}
.tl-item p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.85;}
.tl-panel{
  background:var(--panel);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  padding:32px 30px;
  box-shadow:var(--shadow);
}

/* ---------- Episode list ---------- */
.ep-list{display:grid;gap:14px;}
.ep-item{
  display:grid;grid-template-columns:56px 1fr auto;gap:18px;align-items:center;
  padding:20px 22px;
  background:rgba(12,27,38,.58);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-md);
  transition:transform .25s ease, border-color .25s ease, background .25s ease;
}
.ep-item:hover{transform:translateX(4px);border-color:var(--line);background:rgba(16,34,46,.86);}
.ep-num{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  font-family:var(--font-title);font-size:17px;color:var(--gold);
  background:rgba(242,193,94,.09);border:1px solid var(--line);
}
.ep-body h3{font-size:17.5px;margin-bottom:4px;}
.ep-body p{font-size:14px;color:var(--muted);margin:0;line-height:1.75;}
.ep-meta{display:flex;flex-direction:column;align-items:flex-end;gap:6px;}
.ep-meta .tag{font-size:12px;}
.ep-meta .dur{font-size:12.5px;color:rgba(155,176,184,.8);}

/* ---------- Notice card ---------- */
.notice{
  background:linear-gradient(140deg, rgba(103,214,194,.09), rgba(12,27,38,.72));
  border:1px solid rgba(103,214,194,.28);
  border-radius:var(--radius-lg);
  padding:30px;
  box-shadow:var(--shadow);
}
.notice h3{color:var(--jade);font-size:19px;margin-bottom:14px;}
.notice ul{display:grid;gap:12px;}
.notice li{
  position:relative;padding-left:22px;font-size:14.5px;color:#c9d7da;line-height:1.8;
}
.notice li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;
  background:var(--jade);opacity:.75;transform:rotate(45deg);
}

/* ---------- Recommend ---------- */
.rec-card{
  background:var(--panel);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}
.rec-card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:0 22px 58px rgba(0,0,0,.42);}
.rec-card .thumb{aspect-ratio:16/10;overflow:hidden;}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.rec-card:hover .thumb img{transform:scale(1.06);}
.rec-body{padding:22px 22px 24px;}
.rec-body h3{font-size:18px;margin-bottom:8px;}
.rec-body p{font-size:14px;color:var(--muted);margin-bottom:14px;line-height:1.75;}
.link-arrow{font-size:14px;color:var(--gold);display:inline-flex;align-items:center;gap:6px;}
.link-arrow::after{content:"→";transition:transform .25s ease;}
.link-arrow:hover::after{transform:translateX(4px);}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;}
.faq details{
  background:rgba(12,27,38,.58);
  border:1px solid var(--line-soft);
  border-radius:14px;
  padding:4px 20px;
  transition:border-color .25s ease, background .25s ease;
}
.faq details[open]{border-color:var(--line);background:rgba(16,34,46,.86);}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:16px 0;font-size:16px;color:var(--text);font-weight:600;
  font-family:var(--font-title);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::before{
  content:"";width:3px;height:18px;border-radius:2px;background:var(--gold);
  opacity:0;transition:opacity .25s ease;flex-shrink:0;
}
.faq details[open] summary::before{opacity:1;}
.faq summary .plus{
  margin-left:auto;flex-shrink:0;width:22px;height:22px;border-radius:50%;
  display:grid;place-items:center;font-size:15px;color:var(--gold);
  border:1px solid var(--line);background:rgba(242,193,94,.08);
  transition:transform .3s ease;
}
.faq details[open] summary .plus{transform:rotate(45deg);}
.faq .answer{padding:0 0 18px 17px;font-size:14.5px;color:var(--muted);line-height:1.85;}

/* ---------- CTA + form ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line);
  border-radius:28px;
  padding:48px 44px;
  background:
    radial-gradient(700px 380px at 88% 0%, rgba(242,193,94,.16), transparent 62%),
    linear-gradient(150deg, rgba(16,34,46,.94), rgba(5,11,18,.96));
  box-shadow:var(--shadow);
}
.cta-grid{display:grid;grid-template-columns:1fr 420px;gap:44px;align-items:start;}
.cta-band h2{margin-bottom:14px;}
.cta-band .lead{max-width:520px;}
.cta-points{display:grid;gap:10px;margin-top:22px;}
.cta-points li{font-size:14.5px;color:#c9d7da;display:flex;gap:10px;align-items:flex-start;}
.cta-points li::before{content:"◆";color:var(--gold);font-size:10px;margin-top:8px;}
.form-card{
  background:rgba(8,18,26,.86);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 24px;
}
.form-card h3{font-size:18px;margin-bottom:6px;}
.form-card .sub{font-size:13px;color:var(--muted);margin-bottom:18px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;color:#c9d7da;margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;
  background:rgba(12,27,38,.72);
  border:1px solid var(--line-soft);
  border-radius:12px;
  color:var(--text);font-size:14.5px;font-family:inherit;
  transition:border-color .22s ease, box-shadow .22s ease, background .22s ease;
}
.field textarea{min-height:92px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:rgba(155,176,184,.62);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--gold);background:rgba(16,34,46,.92);
  box-shadow:0 0 0 3px rgba(242,193,94,.14);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--gold) 50%),linear-gradient(135deg,var(--gold) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin:6px 0 16px;line-height:1.7;}
.check input{width:16px;height:16px;margin-top:4px;accent-color:var(--gold);flex-shrink:0;}
.form-note{font-size:13.5px;margin-top:12px;min-height:20px;color:var(--muted);}
.form-note.is-ok{color:var(--jade);}
.form-note.is-err{color:#F2917B;}
.form-card .btn{width:100%;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:40px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(10,23,34,.72), rgba(5,11,18,.98));
  padding:64px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.85;margin-top:16px;max-width:320px;}
.footer-col h4{font-size:15px;color:var(--text);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col li a{font-size:14px;color:var(--muted);}
.footer-col li a:hover{color:var(--gold);}
.footer-contact p{font-size:14px;color:var(--muted);margin-bottom:10px;}
.footer-contact a{color:#c9d7da;}
.footer-contact a:hover{color:var(--gold);}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;color:rgba(155,176,184,.82);
}

/* ---------- Responsive ---------- */
@media screen and (max-width:1199px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-card{max-width:620px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
  .footer-contact{grid-column:1 / -1;}
}
@media screen and (max-width:1023px){
  .nav-links{
    position:fixed;inset:0;
    display:none;flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:6px;margin:0;padding:96px 24px 120px;
    background:rgba(5,11,18,.97);
    backdrop-filter:blur(20px);
    z-index:90;overflow-y:auto;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{
    font-size:19px;padding:16px 18px;border-radius:16px;
    border:1px solid var(--line-soft);
    background:rgba(12,27,38,.55);
  }
  .nav-links a.is-active::after{display:none;}
  .nav-burger{display:grid;place-items:center;z-index:100;position:relative;}
  .nav-cta{display:none;}
  .nav-shell{padding:10px 12px 10px 16px;}
  .section{padding:64px 0;}
  .strip{grid-template-columns:repeat(2,1fr);}
  .strip-item:nth-child(2){border-right:0;}
  .strip-item:nth-child(1),.strip-item:nth-child(2){border-bottom:1px solid var(--line-soft);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1 / -1;}
}
@media screen and (max-width:767px){
  .wrap{padding:0 18px;}
  .section{padding:56px 0;}
  h1{font-size:32px;line-height:1.22;}
  .hero{padding:36px 0 56px;}
  .hero-actions .btn{flex:1 1 auto;}
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .card{padding:22px;}
  .card-media{margin:-22px -22px 18px;}
  .ep-item{grid-template-columns:44px 1fr;gap:14px;padding:18px;}
  .ep-num{width:44px;height:44px;font-size:15px;}
  .ep-meta{grid-column:2;flex-direction:row;align-items:center;justify-content:flex-start;}
  .cta-band{padding:32px 22px;border-radius:22px;}
  .timeline{padding-left:30px;}
  .tl-item::before{left:-28px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:520px){
  .brand-text b{font-size:15px;}
  .brand-text span{font-size:11px;}
  .strip{grid-template-columns:1fr;}
  .strip-item{border-right:0;border-bottom:1px solid var(--line-soft);}
  .strip-item:last-child{border-bottom:0;}
  .hero-tags{gap:8px;}
  .tag{font-size:12px;padding:5px 12px;}
  .btn{padding:13px 22px;font-size:14.5px;}
}

/* roulang page: category4 */
:root{
  --bg:#050B12;
  --bg-soft:#0A1722;
  --glass:rgba(12,27,38,.62);
  --glass-strong:rgba(12,27,38,.86);
  --line:rgba(242,193,94,.16);
  --line-soft:rgba(155,176,184,.16);
  --gold:#F2C15E;
  --gold-deep:#D99A2B;
  --jade:#67D6C2;
  --text:#EAF2F1;
  --muted:#9BB0B8;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:14px;
  --shadow:0 18px 60px rgba(0,0,0,.35);
  --shadow-soft:0 10px 30px rgba(0,0,0,.24);
  --wrap:1240px;
  --font-serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  min-height:100%;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(circle at 10% -8%,rgba(242,193,94,.10),transparent 42%),
    radial-gradient(circle at 98% 4%,rgba(103,214,194,.08),transparent 40%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background .22s ease;}
a:hover{color:var(--gold);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:600;letter-spacing:.01em;color:var(--text);}
h1{font-size:clamp(32px,4vw,54px);line-height:1.18;}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28;}
h3{font-size:clamp(18px,1.6vw,21px);line-height:1.45;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
::selection{background:rgba(242,193,94,.28);color:#fff;}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}

/* ============ 容器 ============ */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 28px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--gold);
  padding:6px 14px;border-radius:999px;
  background:rgba(242,193,94,.08);
  border:1px solid var(--line);
  margin-bottom:18px;
}
.sec-head h2{margin-bottom:14px;}
.sec-head p{color:var(--muted);font-size:15.5px;margin:0;}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:16px 0 4px;
}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  height:70px;padding:0 18px 0 20px;
  border-radius:999px;
  background:rgba(10,23,34,.72);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  display:grid;place-items:center;
  border-radius:14px;
  font-family:var(--font-serif);font-size:20px;font-weight:700;
  color:#1C1206;
  background:linear-gradient(140deg,#F7D68C,var(--gold-deep));
  box-shadow:0 8px 22px rgba(242,193,94,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-family:var(--font-serif);font-size:16px;letter-spacing:.04em;color:var(--text);}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.14em;}
.brand:hover .brand-text b{color:var(--gold);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  position:relative;
  padding:9px 13px;border-radius:999px;
  font-size:14px;color:var(--muted);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--gold);background:rgba(242,193,94,.08);}
.nav-links a.is-active{color:var(--gold);}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-deep));
}
.nav-links-cta{display:none;}
.nav-cta{
  flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 22px;border-radius:999px;
  font-size:14px;font-weight:600;color:#1C1206;
  background:linear-gradient(135deg,#F7D68C,var(--gold-deep));
  box-shadow:0 10px 26px rgba(242,193,94,.26);
  border:1px solid rgba(255,255,255,.14);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.nav-cta:hover{color:#1C1206;transform:translateY(-2px);box-shadow:0 14px 34px rgba(242,193,94,.38);filter:brightness(1.04);}
.nav-cta:active{transform:translateY(0);}
.nav-burger{
  display:none;width:44px;height:44px;flex:0 0 44px;
  align-items:center;justify-content:center;
  border-radius:14px;border:1px solid var(--line);
  background:rgba(242,193,94,.06);color:var(--gold);font-size:19px;
}
body.no-scroll{overflow:hidden;}

/* ============ 面包屑 ============ */
.crumb{padding:26px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--muted);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:rgba(155,176,184,.45);}
.crumb a:hover{color:var(--gold);}
.crumb .current{color:var(--gold);}

/* ============ Hero ============ */
.hero{
  position:relative;margin-top:22px;
  border-radius:28px;overflow:hidden;
  border:1px solid var(--line);
  background:
    linear-gradient(115deg,rgba(5,11,18,.96) 12%,rgba(5,11,18,.80) 48%,rgba(5,11,18,.55) 100%),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  box-shadow:var(--shadow);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(242,193,94,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(242,193,94,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 78% 28%,rgba(0,0,0,.85),transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 78% 28%,rgba(0,0,0,.85),transparent 72%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.35fr .85fr;gap:48px;
  padding:64px 56px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;letter-spacing:.03em;
  color:var(--jade);
  background:rgba(103,214,194,.08);
  border:1px solid rgba(103,214,194,.28);
}
.tag--gold{color:var(--gold);background:rgba(242,193,94,.08);border-color:var(--line);}
.hero h1{margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--gold);}
.hero-sub{font-size:16.5px;color:#C6D5D8;max-width:600px;margin-bottom:16px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin:0 0 30px;color:var(--muted);font-size:14px;}
.hero-points li{position:relative;padding-left:18px;}
.hero-points li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:7px;height:7px;border-radius:50%;
  background:var(--jade);box-shadow:0 0 0 4px rgba(103,214,194,.12);
}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{
  color:#1C1206;
  background:linear-gradient(135deg,#F7D68C,var(--gold-deep));
  box-shadow:0 14px 34px rgba(242,193,94,.28);
}
.btn-primary:hover{color:#1C1206;transform:translateY(-2px);box-shadow:0 18px 42px rgba(242,193,94,.42);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  color:var(--text);
  background:rgba(12,27,38,.55);
  border-color:rgba(103,214,194,.34);
}
.btn-ghost:hover{color:#fff;border-color:var(--jade);background:rgba(103,214,194,.12);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.hero-panel{
  align-self:start;
  background:var(--glass-strong);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 26px;
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow-soft);
}
.hero-panel h3{font-size:16px;letter-spacing:.04em;margin-bottom:18px;color:var(--gold);}
.hero-panel dl{margin:0;display:grid;gap:16px;}
.hero-panel dt{font-size:12.5px;color:var(--muted);letter-spacing:.05em;}
.hero-panel dd{margin:2px 0 0;font-size:15px;color:var(--text);line-height:1.6;}
.hero-panel .panel-note{margin:20px 0 0;padding-top:16px;border-top:1px solid var(--line-soft);font-size:12.5px;color:var(--muted);}

/* ============ 流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.flow-card{
  position:relative;
  padding:28px 24px;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--line-soft);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.flow-card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--shadow);}
.flow-num{
  font-family:var(--font-serif);font-size:15px;letter-spacing:.14em;
  color:var(--gold);display:block;margin-bottom:14px;
}
.flow-card h3{font-size:17.5px;margin-bottom:10px;}
.flow-card p{font-size:14px;color:var(--muted);margin:0;}
.flow-card::after{
  content:"";position:absolute;right:-10px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:rgba(242,193,94,.4);
}
.flow-card:last-child::after{display:none;}

/* ============ 能力矩阵 ============ */
.matrix{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.matrix-card{
  display:flex;gap:20px;align-items:flex-start;
  padding:26px;
  border-radius:var(--r-lg);
  background:linear-gradient(150deg,rgba(12,27,38,.78),rgba(12,27,38,.42));
  border:1px solid var(--line-soft);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.matrix-card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--shadow);}
.matrix-icon{
  flex:0 0 46px;width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  font-family:var(--font-serif);font-size:17px;color:var(--gold);
  background:rgba(242,193,94,.10);
  border:1px solid var(--line);
}
.matrix-body h3{font-size:17.5px;margin-bottom:8px;}
.matrix-body p{font-size:14px;color:var(--muted);margin:0 0 12px;}
.matrix-body ul{display:flex;flex-wrap:wrap;gap:8px;}
.matrix-body li{
  font-size:12.5px;color:#C6D5D8;
  padding:3px 11px;border-radius:999px;
  background:rgba(103,214,194,.07);
  border:1px solid rgba(103,214,194,.22);
}

/* ============ 指标带 ============ */
.metrics{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(242,193,94,.08),rgba(12,27,38,.65) 46%,rgba(103,214,194,.07));
  padding:38px 34px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.metric{position:relative;padding-left:20px;}
.metric::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--gold),rgba(242,193,94,0));
}
.metric b{display:block;font-family:var(--font-serif);font-size:clamp(26px,3vw,36px);color:var(--gold);line-height:1.2;}
.metric span{display:block;font-size:13.5px;color:var(--muted);margin-top:6px;}

/* ============ 案例 ============ */
.case-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:22px;}
.case-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-lg);overflow:hidden;
  background:var(--glass);
  border:1px solid var(--line-soft);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.case-card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--shadow);}
.case-media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.case-card:hover .case-media img{transform:scale(1.05);}
.case-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,11,18,0) 30%,rgba(5,11,18,.78));}
.case-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.case-body h3{font-size:17px;}
.case-body p{font-size:14px;color:var(--muted);margin:0;}
.case-facts{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:12px;}
.case-facts span{
  font-size:12.5px;color:var(--gold);
  padding:4px 11px;border-radius:999px;
  background:rgba(242,193,94,.08);
  border:1px solid var(--line);
}

/* ============ 交付清单 ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 28px;}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:20px 22px;border-radius:var(--r-md);
  background:rgba(12,27,38,.5);
  border:1px solid var(--line-soft);
}
.check-item i{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  display:grid;place-items:center;font-style:normal;font-size:12px;
  color:#1C1206;background:linear-gradient(135deg,#F7D68C,var(--gold-deep));
  margin-top:3px;
}
.check-item b{display:block;font-weight:600;font-size:15.5px;margin-bottom:4px;}
.check-item span{font-size:13.5px;color:var(--muted);line-height:1.7;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:start;}
.faq list-style:none;
.faq-item{
  border-radius:var(--r-sm);
  background:var(--glass);
  border:1px solid var(--line-soft);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .22s ease,background .22s ease;
}
.faq-item[open]{border-color:var(--line);background:rgba(12,27,38,.78);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:18px 22px;
  font-size:15.5px;font-weight:600;color:var(--text);
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";width:3px;height:18px;border-radius:3px;
  background:rgba(242,193,94,.25);flex:0 0 3px;
  transition:background .22s ease;
}
.faq-item[open] summary::before{background:var(--gold);}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:20px;line-height:1;color:var(--gold);
  transition:transform .22s ease;
}
.faq-item[open] summary::after{content:"−";}
.faq-item .faq-answer{padding:0 22px 20px 39px;color:var(--muted);font-size:14.5px;line-height:1.8;}
.faq-item .faq-answer p{margin:0;}

/* ============ 表单 ============ */
.contact-card{
  border-radius:var(--r-lg);
  padding:30px 28px;
  background:linear-gradient(160deg,rgba(12,27,38,.86),rgba(10,23,34,.62));
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
}
.contact-card h3{font-size:19px;margin-bottom:8px;}
.contact-card > p{font-size:13.5px;color:var(--muted);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px;letter-spacing:.04em;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 15px;
  border-radius:12px;
  background:rgba(5,11,18,.72);
  border:1px solid var(--line-soft);
  color:var(--text);font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:110px;padding:13px 15px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:rgba(155,176,184,.6);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(242,193,94,.6);
  box-shadow:0 0 0 3px rgba(242,193,94,.14);
}
.field.is-error input,.field.is-error textarea,.field.is-error select{border-color:#E0736A;box-shadow:0 0 0 3px rgba(224,115,106,.14);}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin:0 0 20px;line-height:1.6;}
.agree input{width:16px;height:16px;flex:0 0 16px;margin-top:4px;accent-color:var(--gold-deep);}
.form-btn{width:100%;}
.form-msg{margin-top:14px;font-size:13.5px;display:none;}
.form-msg.is-ok{display:block;color:var(--jade);}
.form-msg.is-err{display:block;color:#E8978F;}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:26px;
  border:1px solid var(--line);
  background:
    linear-gradient(110deg,rgba(5,11,18,.94),rgba(5,11,18,.72)),
    url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  padding:52px 46px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:10px;}
.cta-band p{color:var(--muted);margin:0;max-width:620px;font-size:15px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,23,34,.9),rgba(5,11,18,1));
  padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand p{color:var(--muted);font-size:13.5px;margin:18px 0 0;max-width:320px;line-height:1.8;}
.footer-col h4{font-size:14px;color:var(--gold);letter-spacing:.06em;margin-bottom:16px;font-family:var(--font-sans);font-weight:600;}
.footer-col ul{display:grid;gap:10px;}
.footer-col li a,.footer-col p{font-size:13.5px;color:var(--muted);margin:0 0 10px;}
.footer-col a:hover{color:var(--gold);}
.footer-contact p{margin-bottom:10px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.5px;color:rgba(155,176,184,.75);
}

/* ============ 移动吸底条 ============ */
.mobile-bar{display:none;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-inner{grid-template-columns:1.2fr .9fr;gap:34px;padding:52px 40px;}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .flow-card::after{display:none;}
  .case-grid{grid-template-columns:1fr 1fr;}
  .case-grid .case-card:first-child{grid-column:1 / -1;}
}
@media (max-width:1023px){
  .nav-burger{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-shell{
    -webkit-backdrop-filter:none;
    backdrop-filter:none;
    background:rgba(8,18,27,.94);
  }
  .nav-links{
    position:fixed;inset:0;z-index:60;
    display:flex;flex-direction:column;justify-content:center;gap:2px;
    margin:0;padding:92px 26px 40px;
    background:rgba(5,11,18,.98);
    -webkit-backdrop-filter:blur(20px);
    backdrop-filter:blur(20px);
    opacity:0;visibility:hidden;transform:translateY(-14px);
    transition:opacity .26s ease,transform .26s ease,visibility .26s;
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:none;}
  .nav-links a{
    font-size:18px;padding:16px 12px;text-align:center;
    border-bottom:1px solid var(--line-soft);border-radius:0;
  }
  .nav-links a.is-active::after{display:none;}
  .nav-links a.is-active{background:rgba(242,193,94,.08);}
  .nav-links-cta{
    display:inline-flex;align-items:center;justify-content:center;
    margin:22px auto 0;height:48px;padding:0 40px;
    border-radius:999px;font-weight:600;color:#1C1206;
    background:linear-gradient(135deg,#F7D68C,var(--gold-deep));
    border:none;
  }
  .nav-burger{position:relative;z-index:70;}
  .hero-inner{grid-template-columns:1fr;padding:44px 32px;}
  .hero-panel{max-width:520px;}
  .matrix{grid-template-columns:1fr;}
  .metrics{grid-template-columns:1fr 1fr;gap:26px 20px;padding:32px 26px;}
  .faq-grid{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .check-grid{grid-template-columns:1fr;}
  .section{padding:70px 0;}
  .cta-band{padding:40px 30px;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  .section{padding:56px 0;}
  .nav-shell{height:62px;padding:0 12px 0 14px;gap:10px;}
  .brand-mark{width:34px;height:34px;flex-basis:34px;border-radius:11px;font-size:17px;}
  .brand-text b{font-size:14.5px;}
  .brand-text span{font-size:10px;letter-spacing:.1em;}
  .hero-inner{padding:34px 22px;gap:28px;}
  .hero-sub{font-size:15px;}
  .hero-points{font-size:13px;gap:8px 16px;}
  .btn{height:46px;padding:0 22px;font-size:14.5px;width:100%;}
  .btn-row{flex-direction:column;gap:12px;}
  .flow-grid{grid-template-columns:1fr;gap:14px;}
  .case-grid{grid-template-columns:1fr;}
  .metrics{grid-template-columns:1fr;gap:20px;}
  .metric{padding-left:16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:32px 22px;flex-direction:column;align-items:flex-start;}
  .faq-item summary{font-size:14.5px;padding:16px 18px;}
  .faq-item .faq-answer{padding:0 18px 18px 35px;font-size:13.8px;}
  .matrix-card{padding:20px;gap:14px;flex-direction:column;}
  .check-item{padding:16px 18px;}
  .mobile-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:65;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:rgba(5,11,18,.94);
    border-top:1px solid var(--line);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
  }
  .mobile-bar a{
    flex:1;display:flex;align-items:center;justify-content:center;
    height:46px;border-radius:999px;font-size:14.5px;font-weight:600;color:#1C1206;
    background:linear-gradient(135deg,#F7D68C,var(--gold-deep));
  }
  .site-footer{margin-top:60px;padding-bottom:76px;}
}
@media (max-width:520px){
  h1{font-size:30px;}
  .hero h1{font-size:29px;}
  .sec-head h2{font-size:23px;}
  .nav-shell{justify-content:space-between;}
}

/* roulang page: category5 */
:root{
  --bg:#050B12;
  --bg-2:#0A1722;
  --glass:rgba(12,27,38,.62);
  --glass-strong:rgba(10,23,34,.88);
  --line:rgba(242,193,94,.16);
  --line-soft:rgba(155,176,184,.18);
  --gold:#F2C15E;
  --gold-deep:#D99A2B;
  --jade:#67D6C2;
  --text:#EAF2F1;
  --muted:#9BB0B8;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow:0 18px 60px rgba(0,0,0,.35);
  --shadow-soft:0 12px 34px rgba(0,0,0,.28);
  --font-serif:"Noto Serif SC","Songti SC",STSong,"SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(1100px 520px at 82% -12%, rgba(242,193,94,.10), transparent 62%),
    radial-gradient(900px 460px at 8% 4%, rgba(103,214,194,.08), transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--gold);text-decoration:none;transition:color .25s var(--ease),border-color .25s var(--ease),opacity .25s var(--ease);}
a:hover{color:var(--jade);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:700;letter-spacing:.2px;color:var(--text);}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(242,193,94,.28);color:#fff;}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 28px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:14px 0 0;
}
.nav-shell{
  display:flex;align-items:center;gap:16px;
  height:68px;padding:0 12px 0 16px;
  border-radius:999px;
  background:rgba(8,20,29,.74);
  border:1px solid var(--line);
  box-shadow:0 18px 44px rgba(0,0,0,.42), inset 0 1px 0 rgba(255,255,255,.05);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#F5D488,#D99A2B);
  color:#231700;font-family:var(--font-serif);font-weight:700;font-size:20px;
  box-shadow:0 8px 18px rgba(242,193,94,.28);
}
.brand-text b{display:block;font-size:15.5px;line-height:1.25;color:var(--text);letter-spacing:.6px;font-weight:700;}
.brand-text span{display:block;font-size:11px;line-height:1.4;color:var(--muted);letter-spacing:2.2px;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  display:inline-block;
  padding:9px 14px;border-radius:999px;
  font-size:14.5px;color:var(--muted);white-space:nowrap;
  transition:background .25s var(--ease),color .25s var(--ease);
}
.nav-links a:hover{color:var(--gold);background:rgba(242,193,94,.10);}
.nav-links a.is-active{color:var(--gold);background:rgba(242,193,94,.14);box-shadow:inset 0 -2px 0 rgba(242,193,94,.55);}
.nav-cta{
  flex:0 0 auto;
  padding:11px 22px;border-radius:999px;
  background:linear-gradient(135deg,#F5D488,#D99A2B);
  color:#231700;font-size:14px;font-weight:700;letter-spacing:.5px;
  box-shadow:0 10px 26px rgba(242,193,94,.28);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(242,193,94,.42);color:#231700;}
.nav-cta:active{transform:translateY(1px);}
.nav-burger{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:14px;
  background:rgba(242,193,94,.10);
  border:1px solid var(--line);
  color:var(--gold);font-size:19px;line-height:1;
  cursor:pointer;transition:background .25s var(--ease);
}
.nav-burger:hover{background:rgba(242,193,94,.18);}
.drawer-cta{display:none;}

/* ---------- 面包屑 ---------- */
.crumb{padding:26px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);}
.crumb li{display:flex;align-items:center;gap:10px;}
.crumb li::after{content:"/";color:rgba(155,176,184,.42);}
.crumb li:last-child::after{display:none;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--gold);}
.crumb .current{color:var(--gold);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  margin:22px 0 0;
  padding:68px 52px 58px;
  border-radius:28px;
  border:1px solid var(--line);
  background:linear-gradient(115deg,rgba(5,11,18,.94) 8%,rgba(5,11,18,.72) 52%,rgba(10,23,34,.55) 100%),
             url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  box-shadow:var(--shadow);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(242,193,94,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(242,193,94,.07) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(120% 90% at 82% 0%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(120% 90% at 82% 0%,#000 0%,transparent 72%);
}
.page-hero > *{position:relative;z-index:1;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;
  font-size:12.5px;letter-spacing:1.6px;color:var(--gold);
  background:rgba(242,193,94,.10);
  border:1px solid rgba(242,193,94,.26);
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:block;}
.page-hero h1{
  margin:22px 0 0;max-width:880px;
  font-size:50px;line-height:1.16;letter-spacing:.5px;
}
.page-hero h1 em{font-style:normal;color:var(--gold);}
.hero-sub{
  margin-top:20px;max-width:720px;
  font-size:16.5px;line-height:1.9;color:#C6D6D8;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 15px;border-radius:999px;
  font-size:13px;color:#CFE0E1;
  background:rgba(103,214,194,.07);
  border:1px solid rgba(103,214,194,.24);
}
.chip.gold{color:var(--gold);background:rgba(242,193,94,.09);border-color:rgba(242,193,94,.28);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 30px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.4px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#F5D488,#D99A2B);
  color:#231700;
  box-shadow:0 14px 34px rgba(242,193,94,.30);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 44px rgba(242,193,94,.44);color:#231700;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:rgba(103,214,194,.06);
  color:var(--jade);
  border-color:rgba(103,214,194,.34);
}
.btn-ghost:hover{background:rgba(103,214,194,.14);border-color:rgba(103,214,194,.62);color:#A6F0E3;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}

/* ---------- 数据带 ---------- */
.stat-band{
  margin-top:26px;
  display:grid;grid-template-columns:repeat(4,1fr);
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:var(--glass);
  box-shadow:var(--shadow-soft);
  overflow:hidden;
  backdrop-filter:blur(10px);
}
.stat-item{padding:24px 26px;border-right:1px solid rgba(242,193,94,.10);}
.stat-item:last-child{border-right:none;}
.stat-item b{display:block;font-family:var(--font-serif);font-size:26px;color:var(--gold);line-height:1.3;}
.stat-item span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0 0;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head h2{font-size:34px;line-height:1.28;}
.section-head h2 em{font-style:normal;color:var(--gold);}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9;}
.sec-kicker{
  display:inline-block;margin-bottom:14px;
  font-size:12.5px;letter-spacing:2.4px;color:var(--jade);text-transform:uppercase;
}

/* ---------- 筛选胶囊 + 面板 ---------- */
.pill-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.pill{
  padding:11px 24px;border-radius:999px;
  background:rgba(12,27,38,.62);
  border:1px solid var(--line-soft);
  color:var(--muted);font-size:14.5px;cursor:pointer;
  transition:all .25s var(--ease);
}
.pill:hover{color:var(--gold);border-color:rgba(242,193,94,.42);transform:translateY(-1px);}
.pill.is-on{
  color:#231700;font-weight:700;
  background:linear-gradient(135deg,#F5D488,#D99A2B);
  border-color:transparent;
  box-shadow:0 12px 28px rgba(242,193,94,.28);
}
.panel{
  display:none;
  padding:34px 36px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--glass);
  box-shadow:var(--shadow-soft);
}
.panel.is-on{display:block;}
.panel h3{font-size:22px;margin-bottom:8px;}
.panel .panel-lead{color:var(--muted);font-size:15px;margin-bottom:20px;}
.panel ul{display:grid;gap:12px;}
.panel li{
  position:relative;padding-left:26px;
  font-size:15.5px;color:#C9D9DA;line-height:1.85;
}
.panel li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:9px;height:9px;border-radius:50%;
  background:rgba(242,193,94,.9);
  box-shadow:0 0 0 4px rgba(242,193,94,.12);
}

/* ---------- 观看清单卡 ---------- */
.card-grid{display:grid;gap:22px;grid-template-columns:repeat(3,1fr);}
.watch-card{
  display:flex;flex-direction:column;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.watch-card:hover{transform:translateY(-4px);border-color:rgba(242,193,94,.44);box-shadow:0 26px 60px rgba(0,0,0,.46);}
.watch-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.watch-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.watch-card:hover .watch-thumb img{transform:scale(1.05);}
.watch-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,11,18,0) 36%,rgba(5,11,18,.78) 100%);
}
.watch-thumb .tagline{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:5px 12px;border-radius:999px;
  font-size:12px;color:var(--gold);
  background:rgba(5,11,18,.72);
  border:1px solid rgba(242,193,94,.32);
  backdrop-filter:blur(6px);
}
.watch-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.watch-body h3{font-size:19px;line-height:1.45;}
.watch-body p{font-size:14.5px;color:var(--muted);line-height:1.85;}
.watch-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:rgba(155,176,184,.86);}
.watch-meta span{display:flex;align-items:center;gap:6px;}
.watch-link{
  margin-top:auto;padding-top:6px;
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--gold);font-weight:600;
}
.watch-link::after{content:"→";transition:transform .25s var(--ease);}
.watch-link:hover{color:var(--jade);}
.watch-link:hover::after{transform:translateX(5px);}

/* ---------- 节奏步骤 ---------- */
.steps{display:grid;gap:20px;grid-template-columns:repeat(4,1fr);}
.step{
  position:relative;
  padding:28px 24px 30px;
  border-radius:var(--radius-md);
  background:linear-gradient(160deg,rgba(12,27,38,.86),rgba(10,23,34,.58));
  border:1px solid var(--line);
  transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(103,214,194,.38);}
.step b{
  display:block;font-family:var(--font-serif);font-size:34px;line-height:1;
  color:rgba(242,193,94,.32);
}
.step h3{margin-top:14px;font-size:18px;}
.step p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.85;}

/* ---------- 站内导航卡 ---------- */
.nav-cards{display:grid;gap:22px;grid-template-columns:repeat(3,1fr);}
.nav-card{
  display:block;
  padding:30px 28px;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:var(--glass);
  transition:transform .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease);
}
.nav-card:hover{transform:translateY(-4px);border-color:rgba(242,193,94,.46);background:rgba(16,34,46,.78);}
.nav-card h3{font-size:19px;color:var(--text);}
.nav-card:hover h3{color:var(--gold);}
.nav-card p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.85;}
.nav-card .go{margin-top:18px;display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--jade);}
.nav-card:hover .go{color:var(--gold);}

/* ---------- 提示卡 ---------- */
.notice-grid{display:grid;gap:22px;grid-template-columns:repeat(2,1fr);}
.notice{
  padding:30px 32px;border-radius:var(--radius-md);
  background:linear-gradient(150deg,rgba(103,214,194,.07),rgba(12,27,38,.62));
  border:1px solid rgba(103,214,194,.22);
}
.notice h3{font-size:19px;color:var(--jade);}
.notice p{margin-top:12px;font-size:14.5px;color:#BFD2D4;line-height:1.9;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;gap:24px;grid-template-columns:1fr 1fr;}
.faq-item{
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:var(--glass);
  padding:0 24px;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.faq-item:hover{border-color:rgba(242,193,94,.38);}
.faq-item[open]{border-color:rgba(242,193,94,.44);background:rgba(14,31,42,.82);box-shadow:inset 3px 0 0 var(--gold);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;
  font-size:16px;font-weight:600;color:var(--text);
  transition:color .25s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--gold);}
.faq-item summary::after{
  content:"+";flex:0 0 auto;
  width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  font-size:17px;font-weight:400;color:var(--gold);
  border:1px solid rgba(242,193,94,.36);
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.faq-item[open] summary::after{content:"−";background:rgba(242,193,94,.16);transform:rotate(180deg);}
.faq-item p{padding:0 0 22px;font-size:14.8px;color:var(--muted);line-height:1.9;max-width:96%;}

/* ---------- CTA / 表单 ---------- */
.cta-block{
  margin-top:88px;
  padding:56px 52px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:
    radial-gradient(720px 340px at 88% 4%, rgba(242,193,94,.14), transparent 62%),
    linear-gradient(150deg,rgba(12,27,38,.92),rgba(6,14,21,.94));
  box-shadow:var(--shadow);
  display:grid;gap:44px;grid-template-columns:1.05fr .95fr;
}
.cta-copy h2{font-size:32px;line-height:1.3;}
.cta-copy h2 em{font-style:normal;color:var(--gold);}
.cta-copy p{margin-top:16px;font-size:15.5px;color:var(--muted);line-height:1.95;}
.cta-points{margin-top:24px;display:grid;gap:12px;}
.cta-points li{position:relative;padding-left:24px;font-size:14.8px;color:#C6D6D8;}
.cta-points li::before{
  content:"";position:absolute;left:0;top:.68em;
  width:8px;height:8px;border-radius:2px;background:var(--jade);
}
.cform{
  padding:32px 30px;
  border-radius:var(--radius-md);
  background:rgba(5,11,18,.55);
  border:1px solid var(--line-soft);
}
.field{margin-bottom:16px;}
.field label{display:block;margin-bottom:8px;font-size:13.5px;color:#C6D6D8;letter-spacing:.4px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 16px;
  border-radius:12px;
  background:rgba(12,27,38,.78);
  border:1px solid rgba(155,176,184,.22);
  color:var(--text);font-size:15px;font-family:var(--font-sans);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.field textarea{height:auto;padding:13px 16px;line-height:1.7;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:rgba(155,176,184,.62);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(242,193,94,.72);
  box-shadow:0 0 0 3px rgba(242,193,94,.16);
  background:rgba(16,34,46,.9);
}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--gold) 50%),linear-gradient(135deg,var(--gold) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.agree{display:flex;align-items:flex-start;gap:10px;margin:8px 0 20px;font-size:13.5px;color:var(--muted);line-height:1.7;cursor:pointer;}
.agree input{width:16px;height:16px;margin-top:4px;accent-color:var(--gold-deep);flex:0 0 auto;}
.cform .btn{width:100%;}
.form-note{margin-top:14px;font-size:13.5px;line-height:1.7;min-height:20px;}
.form-note.ok{color:var(--jade);}
.form-note.err{color:#F08A6C;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  padding:66px 0 0;
  border-top:1px solid rgba(242,193,94,.22);
  background:linear-gradient(180deg,rgba(8,20,29,.72),rgba(5,11,18,.98));
}
.footer-grid{display:grid;gap:38px;grid-template-columns:1.5fr 1fr 1fr 1.1fr;}
.footer-brand p{margin-top:18px;font-size:14.5px;color:var(--muted);line-height:1.9;max-width:330px;}
.footer-col h4{font-size:15px;color:var(--text);margin-bottom:16px;letter-spacing:1px;font-family:var(--font-sans);font-weight:700;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14.3px;color:var(--muted);}
.footer-col a:hover{color:var(--gold);}
.footer-contact p{font-size:14.3px;color:var(--muted);line-height:1.9;margin-bottom:8px;}
.footer-contact a{color:var(--jade);}
.footer-contact a:hover{color:var(--gold);}
.footer-bottom{
  margin-top:52px;
  padding:22px 0 26px;
  border-top:1px solid rgba(155,176,184,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(155,176,184,.8);
}

/* ---------- 移动底部条 ---------- */
.mobile-bar{display:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .page-hero h1{font-size:44px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .nav-cards{grid-template-columns:repeat(2,1fr);}
  .stat-band{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:none;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid rgba(242,193,94,.10);}
  .cta-block{grid-template-columns:1fr;padding:46px 40px;}
}
@media (max-width:1023px){
  .nav-links a{padding:9px 10px;font-size:13.5px;}
  .nav-cta{padding:10px 18px;font-size:13.5px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .faq-wrap{grid-template-columns:1fr;}
}
@media (max-width:900px){
  .site-header{padding-top:10px;}
  .nav-shell{height:62px;padding:0 10px 0 14px;}
  .nav-burger{display:block;}
  .nav-cta{display:none;}
  .nav-links{
    position:fixed;inset:0;
    flex-direction:column;justify-content:center;gap:6px;
    padding:96px 26px 130px;
    background:rgba(4,9,15,.97);
    backdrop-filter:blur(22px);
    -webkit-backdrop-filter:blur(22px);
    transform:translateY(-101%);
    transition:transform .38s var(--ease);
    margin-left:0;z-index:70;
  }
  .site-header.nav-open .nav-links{transform:translateY(0);}
  .nav-links a{font-size:19px;padding:15px 20px;width:100%;text-align:center;color:#C6D6D8;}
  .nav-links a.is-active{color:var(--gold);}
  .drawer-cta{
    display:inline-flex;align-items:center;justify-content:center;
    margin-top:22px;padding:15px 28px;border-radius:999px;
    background:linear-gradient(135deg,#F5D488,#D99A2B);
    color:#231700 !important;font-weight:700;font-size:16px;
    box-shadow:0 14px 34px rgba(242,193,94,.30);
  }
  .page-hero{padding:46px 28px 44px;border-radius:22px;}
  .page-hero h1{font-size:36px;}
  .hero-sub{font-size:15.5px;}
  .section{padding:64px 0 0;}
  .section-head h2{font-size:27px;}
  .cta-block{margin-top:64px;padding:38px 26px;border-radius:22px;}
  .cta-copy h2{font-size:26px;}
  .site-footer{margin-top:70px;}
}
@media (max-width:767px){
  body{font-size:16px;padding-bottom:64px;}
  .wrap{padding:0 18px;}
  .page-hero{padding:38px 22px 38px;}
  .page-hero h1{font-size:31px;line-height:1.28;}
  .eyebrow{font-size:11.5px;letter-spacing:1.2px;}
  .hero-actions{gap:10px;}
  .btn{width:100%;padding:14px 22px;}
  .card-grid,.nav-cards,.notice-grid,.steps{grid-template-columns:1fr;}
  .stat-band{grid-template-columns:1fr;}
  .stat-item{border-right:none !important;border-bottom:1px solid rgba(242,193,94,.10);}
  .stat-item:last-child{border-bottom:none;}
  .panel{padding:24px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .cform{padding:24px 20px;}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    position:fixed;left:0;right:0;bottom:0;z-index:60;
    padding:10px 18px;
    background:rgba(8,20,29,.94);
    border-top:1px solid var(--line);
    backdrop-filter:blur(16px);
  }
  .mobile-bar span{font-size:13px;color:var(--muted);}
  .mobile-bar a{
    padding:10px 20px;border-radius:999px;
    background:linear-gradient(135deg,#F5D488,#D99A2B);
    color:#231700;font-size:14px;font-weight:700;white-space:nowrap;
  }
}
@media (max-width:520px){
  .page-hero h1{font-size:27px;}
  .section-head h2{font-size:23px;}
  .brand-text span{letter-spacing:1.4px;font-size:10.5px;}
  .brand-text b{font-size:14.5px;}
  .crumb ol{font-size:12.5px;}
}