/* roulang page: index */
:root{
  --c-primary:#24506B;
  --c-primary-dark:#17384C;
  --c-primary-light:#E7EEF3;
  --c-gold:#C39A5A;
  --c-bg:#F7F6F2;
  --c-card:#FFFFFF;
  --c-line:#E4E2DB;
  --c-line-soft:#D8DCE0;
  --c-text:#2A2F33;
  --c-text-2:#5C666E;
  --c-text-3:#8A9299;
  --c-ok:#3F7D5C;
  --c-warn:#B4503F;
  --r-card:14px;
  --r-panel:18px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(23,56,76,.05),0 8px 24px -12px rgba(23,56,76,.14);
  --sh-2:0 2px 6px rgba(23,56,76,.07),0 16px 40px -16px rgba(23,56,76,.22);
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --serif:"Noto Serif SC","Songti SC","SimSun",Georgia,serif;
  --space-section:92px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;color:var(--c-text);}
p{margin:0;}
a{color:var(--c-primary);text-decoration:none;}
a:hover{color:var(--c-primary-dark);}
img{max-width:100%;display:block;border:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid rgba(36,80,107,.4);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--c-bg);border-bottom:1px solid var(--c-line);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:32px;height:72px;}
.brand{display:inline-flex;align-items:baseline;gap:8px;flex:none;}
.brand-main{font-family:var(--serif);font-size:24px;font-weight:700;color:var(--c-primary-dark);letter-spacing:.02em;line-height:1;}
.brand-sub{font-size:12px;letter-spacing:.2em;color:var(--c-gold);line-height:1;}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--c-text-2);transition:color .18s ease;}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--c-primary);transition:width .18s ease;}
.nav-links a:hover{color:var(--c-primary);}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{color:var(--c-primary);}
.nav-links a.is-active::after{width:100%;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
.pill-link{display:inline-flex;align-items:center;height:36px;padding:0 18px;border:1px solid #C9D3D9;border-radius:999px;font-size:14px;font-weight:500;color:var(--c-primary);background:transparent;transition:background .16s ease,border-color .16s ease,color .16s ease;}
.pill-link:hover{background:var(--c-primary-light);border-color:var(--c-primary);color:var(--c-primary-dark);}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:0;border-radius:8px;background:transparent;color:var(--c-text-2);cursor:pointer;transition:background .16s ease,color .16s ease;}
.icon-btn:hover{background:var(--c-primary-light);color:var(--c-primary);}
.nav-toggle{display:none;}
.mobile-panel{display:none;border-top:1px solid var(--c-line);background:var(--c-bg);}
.mobile-panel.is-open{display:block;}
.mobile-panel a.m-item{display:block;padding:0 24px;line-height:56px;font-size:20px;color:var(--c-text);border-bottom:1px solid var(--c-line);}
.mobile-panel a.m-item.is-active{color:var(--c-primary);}
.mobile-panel .m-foot{padding:20px 24px 26px;}
.mobile-panel .m-foot .pill-link{width:100%;justify-content:center;height:44px;}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border:1px solid transparent;border-radius:var(--r-btn);font-size:15px;font-weight:500;line-height:1.2;cursor:pointer;transition:background .16s ease-out,color .16s ease-out,border-color .16s ease-out,transform .16s ease-out,box-shadow .16s ease-out;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:#C9D3D9;color:var(--c-primary);}
.btn-ghost:hover{border-color:var(--c-primary);background:var(--c-primary-light);color:var(--c-primary-dark);}
.btn-text{background:transparent;color:var(--c-primary);padding:13px 4px;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
.btn-text:hover{color:var(--c-gold);}
.btn:focus-visible{outline:2px solid rgba(36,80,107,.35);outline-offset:2px;}

/* ---------- Hero ---------- */
.hero{padding:56px 0 0;}
.hero-grid{display:grid;grid-template-columns:55fr 45fr;gap:48px;align-items:center;}
.hero-media{position:relative;border-radius:var(--r-panel);overflow:hidden;box-shadow:var(--sh-1);background:var(--c-primary-light);}
.hero-media img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(23,56,76,.12);pointer-events:none;}
.hero-badge{position:absolute;top:16px;left:16px;z-index:2;background:rgba(255,255,255,.92);color:var(--c-primary);font-size:12px;letter-spacing:.12em;padding:6px 12px;border-radius:var(--r-badge);font-weight:500;}
.hero-body{display:flex;flex-direction:column;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;color:var(--c-gold);font-weight:500;margin-bottom:14px;}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--c-gold);display:inline-block;}
h1.hero-title{font-size:clamp(30px,4.2vw,46px);line-height:1.22;font-weight:700;letter-spacing:.01em;color:var(--c-text);}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.8;color:var(--c-text-2);max-width:520px;}
.countdown{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:26px 0 24px;max-width:440px;}
.cd-cell{background:#fff;border:1px solid var(--c-line);border-radius:12px;padding:12px 6px;text-align:center;}
.cd-num{font-size:clamp(24px,3vw,32px);font-weight:600;line-height:1.1;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.cd-label{margin-top:6px;font-size:11px;letter-spacing:.1em;color:var(--c-text-3);}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;}

/* ---------- Highlights ---------- */
.highlights{margin-top:44px;border-top:1px solid var(--c-line);}
.hl-item{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--c-line);align-items:start;}
.hl-num{font-family:var(--serif);font-size:20px;line-height:1.3;color:var(--c-gold);opacity:.55;font-variant-numeric:tabular-nums;}
.hl-title{font-size:17px;font-weight:600;color:var(--c-text);}
.hl-desc{margin-top:4px;font-size:14px;line-height:1.7;color:var(--c-text-2);}
.hl-foot{display:flex;justify-content:flex-end;padding:14px 0 0;}

/* ---------- Section ---------- */
.section{padding:var(--space-section) 0;}
.section-line{border-top:1px solid var(--c-line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-title{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:600;}
.section-desc{margin-top:10px;font-size:15px;line-height:1.8;color:var(--c-text-2);max-width:640px;}
.link-more{flex:none;font-size:14px;color:var(--c-primary);text-decoration:underline;text-underline-offset:4px;}
.link-more:hover{color:var(--c-gold);}

/* ---------- Cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.card{display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .16s ease-out,transform .16s ease-out;}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.card-media{position:relative;background:var(--c-primary-light);}
.card-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.card-body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;flex:1;}
.badge{align-self:flex-start;display:inline-block;background:var(--c-primary-light);color:var(--c-primary);font-size:12px;line-height:1.5;padding:4px 10px;border-radius:var(--r-badge);}
.card-title{font-size:19px;line-height:1.45;font-weight:600;}
.card-title a{color:var(--c-text);}
.card-title a:hover{color:var(--c-primary);}
.card-desc{font-size:14px;line-height:1.7;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;font-size:13px;color:var(--c-text-3);}
.dot{display:inline-block;width:4px;height:4px;background:var(--c-gold);border-radius:1px;flex:none;}
.card-link{margin-left:auto;font-size:13px;color:var(--c-primary);}
.card-link:hover{color:var(--c-gold);}

/* ---------- Empty state ---------- */
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:56px 24px;background:#fff;border:1px dashed #D3DCE2;border-radius:var(--r-card);text-align:center;}
.empty-state .es-icon{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border:1px solid var(--c-line);border-radius:12px;color:var(--c-text-3);}
.empty-state p{font-size:15px;color:var(--c-text-2);}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);margin-top:8px;}
.stat-item{padding:34px 24px;border-left:1px solid var(--c-line);}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-num{font-family:var(--serif);font-size:clamp(28px,3vw,38px);line-height:1.2;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.stat-label{margin-top:8px;font-size:13px;color:var(--c-text-2);}

/* ---------- Banner ---------- */
.banner{position:relative;border-radius:var(--r-panel);overflow:hidden;padding:56px;background:var(--c-primary-dark) url(/assets/images/backpic/back-1.webp) center/cover no-repeat;color:#fff;}
.banner::before{content:"";position:absolute;inset:0;background:rgba(23,56,76,.74);}
.banner>*{position:relative;z-index:1;}
.banner h2{color:#fff;font-size:clamp(24px,2.6vw,30px);line-height:1.35;}
.banner p{margin-top:12px;max-width:640px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.82);}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.banner .btn-primary{background:#fff;color:var(--c-primary-dark);}
.banner .btn-primary:hover{background:var(--c-primary-light);color:var(--c-primary-dark);}
.banner .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.banner .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}

/* ---------- FAQ ---------- */
.faq{max-width:820px;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:first-child{border-top:1px solid var(--c-line);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;padding:20px 0;background:none;border:0;text-align:left;font-size:16.5px;font-weight:500;line-height:1.6;color:var(--c-text);cursor:pointer;transition:color .16s ease;}
.faq-q:hover{color:var(--c-primary);}
.faq-item.is-open .faq-q{color:var(--c-primary);}
.faq-icon{position:relative;flex:none;width:14px;height:14px;color:var(--c-primary);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:1px;}
.faq-icon::before{left:0;top:6.25px;width:14px;height:1.5px;}
.faq-icon::after{left:6.25px;top:0;width:1.5px;height:14px;transition:transform .18s ease;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);}
.faq-a{padding:0 0 22px;max-width:720px;font-size:15px;line-height:1.85;color:var(--c-text-2);}

/* ---------- CTA ---------- */
.cta-band{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:48px;background:var(--c-primary-light);border:1px solid #D7E2EA;border-radius:var(--r-panel);}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);line-height:1.35;}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--c-text-2);max-width:460px;}
.sub-form{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;}
.sub-field{flex:1 1 220px;min-width:0;display:flex;flex-direction:column;gap:8px;}
.sub-field label{font-size:13px;color:var(--c-text-2);}
.sub-field input{height:48px;width:100%;padding:0 16px;border:1px solid var(--c-line-soft);border-radius:var(--r-btn);background:#fff;font-size:15px;font-family:inherit;color:var(--c-text);transition:border-color .16s ease,box-shadow .16s ease;}
.sub-field input::placeholder{color:var(--c-text-3);}
.sub-field input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(36,80,107,.12);}
.sub-form .btn-primary{height:48px;flex:none;}
.form-hint{width:100%;font-size:12.5px;color:var(--c-text-3);}

/* ---------- Footer ---------- */
.site-footer{margin-top:var(--space-section);background:var(--c-primary-dark);color:rgba(255,255,255,.75);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{font-family:var(--serif);font-size:22px;font-weight:700;color:#fff;letter-spacing:.02em;}
.footer-brand span{font-size:12px;letter-spacing:.2em;color:var(--c-gold);margin-left:8px;font-family:var(--sans);font-weight:400;}
.footer-about{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:320px;}
.footer-tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags span{font-size:12px;padding:4px 10px;border:1px solid rgba(255,255,255,.2);border-radius:var(--r-badge);color:rgba(255,255,255,.7);}
.footer-col h4{margin:0 0 16px;font-size:13px;font-weight:600;letter-spacing:.1em;color:#fff;font-family:var(--sans);}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:rgba(255,255,255,.75);transition:color .16s ease;}
.footer-col a:hover{color:var(--c-gold);text-decoration:underline;text-underline-offset:3px;}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.75);}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(255,255,255,.6);}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  :root{--space-section:64px;}
  .hero{padding-top:36px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-sub{max-width:none;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-item{padding:26px 20px;}
  .stat-item:nth-child(odd){border-left:0;padding-left:0;}
  .stat-item:nth-child(3),.stat-item:nth-child(4){border-top:1px solid var(--c-line);}
  .cta-band{grid-template-columns:1fr;gap:26px;padding:36px;}
  .banner{padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--space-section:48px;}
  .container{padding:0 20px;}
  .nav-wrap{height:60px;gap:16px;}
  .nav-links,.nav-actions .pill-link{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-main{font-size:21px;}
  .hero{padding-top:28px;}
  .countdown{max-width:none;gap:8px;}
  .cd-cell{padding:10px 4px;}
  .cd-label{font-size:10px;letter-spacing:.06em;}
  .hl-item{grid-template-columns:40px 1fr;gap:12px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr 1fr;}
  .banner{padding:32px 24px;}
  .faq-q{font-size:16px;padding:18px 0;}
  .cta-band{padding:28px 22px;}
  .sub-form{flex-direction:column;align-items:stretch;}
  .sub-form .btn-primary{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-about{max-width:none;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:480px){
  body{font-size:15px;}
  h1.hero-title{font-size:28px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .cd-num{font-size:22px;}
  .stat-item{padding:22px 14px;}
  .footer-grid{grid-template-columns:1fr;}
}

/* roulang page: article */
:root{
  --primary:#24506B;
  --primary-dark:#17384C;
  --primary-light:#E7EEF3;
  --gold:#C39A5A;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --line:#E4E2DB;
  --line-strong:#D8DCE0;
  --text:#2A2F33;
  --muted:#5C666E;
  --weak:#8A9299;
  --success:#3F7D5C;
  --danger:#B4503F;
  --radius-card:14px;
  --radius-panel:18px;
  --radius-btn:10px;
  --radius-badge:6px;
  --shadow-card:0 1px 2px rgba(23,56,76,.05),0 8px 24px -12px rgba(23,56,76,.14);
  --shadow-hover:0 2px 6px rgba(23,56,76,.07),0 16px 40px -16px rgba(23,56,76,.22);
  --serif:"Noto Serif SC","Songti SC",STSong,"SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --section:96px;
}
*,*::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:var(--bg);letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;letter-spacing:.01em;color:var(--primary-dark)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
svg{display:block}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
::selection{background:var(--primary-light);color:var(--primary-dark)}
:focus-visible{outline:2px solid rgba(36,80,107,.45);outline-offset:2px;border-radius:4px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--bg);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;height:72px;gap:24px}
.brand{display:flex;align-items:baseline;gap:8px;flex:none}
.brand-main{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--primary-dark);letter-spacing:.02em}
.brand-sub{font-size:11px;letter-spacing:.2em;color:var(--gold);padding-bottom:2px}
.nav-links{display:flex;align-items:center;gap:32px;margin:0 auto}
.nav-links a{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--muted);transition:color 180ms ease-out}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--primary);transition:width 180ms ease-out}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:var(--primary)}
.nav-links a.is-active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:14px;flex:none}
.btn-ghost-pill{
  display:inline-flex;align-items:center;justify-content:center;
  padding:8px 18px;border:1px solid var(--line-strong);border-radius:999px;
  font-size:14px;font-weight:500;color:var(--primary);background:transparent;
  transition:border-color 160ms ease-out,background 160ms ease-out,color 160ms ease-out;
}
.btn-ghost-pill:hover{border-color:var(--primary);background:var(--primary-light)}
.btn-ghost-pill:active{transform:translateY(1px)}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
  border:1px solid transparent;border-radius:10px;color:var(--muted);background:transparent;
  transition:color 160ms ease-out,background 160ms ease-out,border-color 160ms ease-out;
}
.icon-btn:hover{color:var(--primary);background:var(--primary-light);border-color:var(--line)}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:var(--card);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:1.5px;background:var(--primary-dark);border-radius:2px;transition:transform 180ms ease-out,opacity 180ms ease-out}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--bg)}
.mobile-panel.is-open{display:block}
.mobile-panel .container{display:flex;flex-direction:column;padding-top:8px;padding-bottom:20px}
.mobile-panel a{padding:14px 0;font-size:19px;font-family:var(--serif);color:var(--primary-dark);border-bottom:1px solid var(--line)}
.mobile-panel a.btn{border-bottom:none;margin-top:16px;justify-content:center}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);font-size:15px;font-weight:500;
  border:1px solid transparent;transition:background 160ms ease-out,color 160ms ease-out,border-color 160ms ease-out,transform 160ms ease-out,box-shadow 160ms ease-out;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:transparent;border-color:var(--line-strong);color:var(--primary)}
.btn-secondary:hover{border-color:var(--primary);background:var(--primary-light)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--primary);text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--line-strong);transition:color 160ms ease-out,text-decoration-color 160ms ease-out}
.btn-text:hover{color:var(--gold);text-decoration-color:var(--gold)}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding-top:28px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak)}
.crumb a{color:var(--weak);transition:color 160ms ease-out}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--line-strong)}
.crumb .current{color:var(--muted);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article head ---------- */
.article-head{padding:22px 0 28px;border-bottom:1px solid var(--line)}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-badge);
  background:var(--primary-light);color:var(--primary);font-size:12px;font-weight:500;letter-spacing:.06em;
}
.article-title{
  margin-top:18px;font-size:clamp(28px,3.4vw,40px);line-height:1.3;font-weight:700;color:var(--primary-dark);
  max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:18px;font-size:13px;color:var(--muted)}
.article-meta .dot{width:4px;height:4px;background:var(--gold);border-radius:1px;display:inline-block}
.article-meta span b{font-weight:500;color:var(--muted)}

/* ---------- layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr);gap:48px;
  padding-top:44px;padding-bottom:var(--section);
}
.article-main{min-width:0}
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:var(--text)}

/* ---------- prose ---------- */
.prose > * + *{margin-top:1.2em}
.prose p{margin-top:1.2em}
.prose h2{
  margin-top:2em;font-size:clamp(22px,2.2vw,26px);line-height:1.4;color:var(--primary-dark);
  padding-top:20px;border-top:1px solid var(--line);
}
.prose h3{margin-top:1.7em;font-size:19px;line-height:1.5;color:var(--primary-dark)}
.prose h4{margin-top:1.5em;font-size:17px;line-height:1.5;color:var(--primary-dark)}
.prose ul,.prose ol{margin-top:1.2em;padding-left:0}
.prose ul li,.prose ol li{position:relative;padding-left:22px;margin-top:.6em}
.prose ul li::before{content:"";position:absolute;left:2px;top:.85em;width:5px;height:5px;background:var(--gold);border-radius:1px}
.prose ol{counter-reset:prose-ol}
.prose ol li{counter-increment:prose-ol}
.prose ol li::before{
  content:counter(prose-ol);position:absolute;left:0;top:0;font-family:var(--serif);
  font-size:14px;color:var(--gold);font-weight:600;
}
.prose blockquote{
  margin:1.6em 0;padding:16px 22px;border-left:3px solid var(--primary);
  background:var(--bg);border-radius:0 10px 10px 0;color:var(--muted);
}
.prose blockquote p{margin:0}
.prose img{border-radius:12px;margin:1.6em auto;width:100%;height:auto}
.prose figure{margin:1.6em 0}
.prose figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--weak)}
.prose a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(36,80,107,.3)}
.prose a:hover{color:var(--gold);text-decoration-color:var(--gold)}
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border:1px solid var(--line)}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.prose th{background:var(--primary-light);color:var(--primary-dark);font-weight:600}
.prose hr{border:none;border-top:1px solid var(--line);margin:2em 0}
.prose code{background:var(--primary-light);padding:2px 6px;border-radius:4px;font-size:14px}
.prose strong{color:var(--primary-dark);font-weight:600}

/* ---------- empty ---------- */
.empty-state{
  border:1px solid var(--line);border-radius:var(--radius-panel);background:var(--card);
  padding:56px 32px;text-align:center;box-shadow:var(--shadow-card);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 20px;border:1px solid var(--line);border-radius:14px;
  display:flex;align-items:center;justify-content:center;color:var(--weak);background:var(--primary-light);
}
.empty-state h2{font-size:22px;color:var(--primary-dark)}
.empty-state p{margin-top:12px;color:var(--muted);font-size:15px;max-width:420px;margin-left:auto;margin-right:auto}
.empty-state .btn{margin-top:24px}

/* ---------- tags ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.tag-row .label{font-size:13px;color:var(--weak);letter-spacing:.1em}
.tag{
  display:inline-flex;padding:5px 12px;border:1px solid var(--line);border-radius:var(--radius-badge);
  font-size:13px;color:var(--muted);background:var(--card);
  transition:border-color 160ms ease-out,color 160ms ease-out,background 160ms ease-out;
}
.tag:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}

/* ---------- related ---------- */
.related{margin-top:56px}
.related-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.related-head h2{font-size:22px;color:var(--primary-dark)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:24px}
.rec-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform 160ms ease-out,box-shadow 160ms ease-out,border-color 160ms ease-out;
}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D7D4CB}
.rec-card .thumb{aspect-ratio:4/3;overflow:hidden;background:var(--primary-light)}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
.rec-card:hover .thumb img{transform:scale(1.04)}
.rec-card .rec-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-card h3{font-size:16px;line-height:1.5;color:var(--primary-dark);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-card .rec-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--weak);margin-top:auto}
.rec-card .rec-meta .dot{width:4px;height:4px;background:var(--gold);border-radius:1px}
.back-line{margin-top:36px;padding-top:26px;border-top:1px solid var(--line)}

/* ---------- sidebar ---------- */
.sidebar{display:none}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-card);
}
.side-card + .side-card{margin-top:20px}
.side-card h3{font-size:16px;color:var(--primary-dark);padding-bottom:14px;border-bottom:1px solid var(--line)}
.side-list{margin-top:6px}
.side-list li + li{border-top:1px solid var(--line)}
.side-list a{display:flex;align-items:flex-start;gap:10px;padding:12px 0;font-size:14px;line-height:1.6;color:var(--muted);transition:color 160ms ease-out}
.side-list a:hover{color:var(--primary)}
.side-list .idx{font-family:var(--serif);font-size:13px;color:var(--gold);opacity:.7;flex:none;padding-top:1px;font-variant-numeric:tabular-nums}
.side-note{font-size:13px;line-height:1.8;color:var(--muted);margin-top:14px}

/* ---------- cta ---------- */
.cta-band{
  background:var(--primary-light);border:1px solid #D5E1E9;border-radius:var(--radius-panel);
  padding:44px 48px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:40px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);color:var(--primary-dark)}
.cta-band p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.85;max-width:520px}
.cta-form{display:flex;gap:12px}
.cta-form input{
  flex:1;height:48px;padding:0 16px;border:1px solid var(--line-strong);border-radius:var(--radius-btn);
  background:#fff;color:var(--text);font-size:15px;font-family:var(--sans);
  transition:border-color 160ms ease-out,box-shadow 160ms ease-out;
}
.cta-form input::placeholder{color:var(--weak)}
.cta-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(36,80,107,.12)}
.cta-form .btn{height:48px;padding:0 24px;flex:none}
.cta-hint{grid-column:2;margin-top:10px;font-size:13px;color:var(--weak)}

/* ---------- footer ---------- */
.site-footer{background:var(--primary-dark);color:#fff;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:48px}
.footer-brand{font-family:var(--serif);font-size:22px;font-weight:700;color:#fff;display:flex;align-items:baseline;gap:8px}
.footer-brand span{font-size:11px;letter-spacing:.2em;color:var(--gold)}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:320px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.footer-tags span{font-size:12px;padding:4px 10px;border:1px solid rgba(255,255,255,.22);border-radius:var(--radius-badge);color:rgba(255,255,255,.75)}
.footer-col h4{font-size:13px;font-family:var(--sans);font-weight:600;letter-spacing:.1em;color:rgba(255,255,255,.6);margin-bottom:16px}
.footer-col a,.footer-col p{display:block;font-size:14px;line-height:1.9;color:rgba(255,255,255,.75);margin-bottom:8px;transition:color 160ms ease-out}
.footer-col a:hover{color:var(--gold);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
}
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px}
  .sidebar{display:block}
  .sidebar-inner{position:sticky;top:96px}
}
@media (max-width:1023px){
  :root{--section:64px}
  .nav-links{gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-band{grid-template-columns:1fr;gap:24px;padding:36px}
  .cta-hint{grid-column:1}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767px){
  :root{--section:48px}
  .container{padding:0 20px}
  .nav-inner{height:60px}
  .nav-links{display:none}
  .nav-actions .btn-ghost-pill,.nav-actions .icon-btn{display:none}
  .nav-toggle{display:flex}
  .brand-main{font-size:20px}
  .crumb-bar{padding-top:20px}
  .article-layout{padding-top:32px;gap:32px}
  .article-body{font-size:16px;line-height:1.85}
  .related-grid{grid-template-columns:1fr}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .empty-state{padding:40px 22px}
}
@media (max-width:480px){
  .article-title{font-size:26px}
  .btn{padding:12px 20px;font-size:14px}
  .article-meta{font-size:12px;gap:10px}
  .prose h2{font-size:21px}
  .footer-grid{grid-template-columns:1fr}
}

/* roulang page: category1 */
:root{
  --primary:#24506B;
  --primary-dark:#17384C;
  --primary-light:#E7EEF3;
  --gold:#C39A5A;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --line:#E4E2DB;
  --text:#2A2F33;
  --muted:#5C666E;
  --weak:#8A9299;
  --success:#3F7D5C;
  --warn:#B4503F;
  --radius-card:14px;
  --radius-lg:18px;
  --radius-btn:10px;
  --radius-badge:6px;
  --shadow-sm:0 1px 2px rgba(23,56,76,.05), 0 8px 24px -12px rgba(23,56,76,.14);
  --shadow-md:0 2px 6px rgba(23,56,76,.07), 0 16px 40px -16px rgba(23,56,76,.22);
  --font-serif:"Noto Serif SC","Source Han Serif SC",Georgia,"Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:600;letter-spacing:.01em;color:var(--text);}
p{margin:0;}
svg{display:block;}
:focus-visible{outline:2px solid rgba(36,80,107,.45);outline-offset:2px;border-radius:4px;}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;line-height:1;letter-spacing:.02em;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease,transform .16s ease;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border:1px solid #C9D3D9;color:var(--primary);}
.btn-ghost:hover{border-color:var(--primary);background:var(--primary-light);}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--primary);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
  transition:color .18s ease;
}
.btn-text:hover{color:var(--gold);}

/* ---------- 页头 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--bg);border-bottom:1px solid var(--line);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;height:72px;}
.brand{display:flex;align-items:baseline;gap:8px;font-family:var(--font-serif);flex:none;}
.brand-main{font-size:22px;font-weight:700;color:var(--primary-dark);letter-spacing:.06em;line-height:1;}
.brand-sub{font-size:12px;letter-spacing:.2em;color:var(--gold);line-height:1;}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--muted);
  transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-links a:hover{color:var(--primary);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--primary);}
.nav-links a.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex:none;}
.btn-pill{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border:1px solid #C9D3D9;border-radius:999px;
  font-size:14px;color:var(--primary);
  transition:border-color .18s ease,background-color .18s ease;
}
.btn-pill:hover{border-color:var(--primary);background:var(--primary-light);}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;color:var(--muted);
  transition:background-color .18s ease,color .18s ease;
}
.icon-btn:hover{background:var(--primary-light);color:var(--primary);}
.menu-toggle{display:none;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;color:var(--primary);}
.menu-toggle:hover{background:var(--primary-light);}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--bg);}
.mobile-panel.is-open{display:block;}
.mobile-panel nav a{
  display:block;padding:0 24px;line-height:56px;
  font-size:20px;color:var(--muted);border-bottom:1px solid var(--line);
  transition:color .18s ease,background-color .18s ease;
}
.mobile-panel nav a:hover,
.mobile-panel nav a.is-active{color:var(--primary);background:var(--primary-light);}
.mobile-cta{padding:20px 24px 24px;}

/* ---------- 页面首屏 ---------- */
.page-hero{
  background:var(--primary-light);
  border-bottom:1px solid var(--line);
  padding:36px 0 56px;
  scroll-margin-top:90px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:30px;}
.breadcrumb a{transition:color .18s ease;}
.breadcrumb a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
.breadcrumb .sep{color:var(--weak);}
.breadcrumb [aria-current]{color:var(--text);}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.85fr);gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12px;letter-spacing:.12em;color:var(--primary);
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;background:var(--gold);transform:rotate(45deg);}
.page-hero h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.28;
  font-weight:700;
  color:var(--primary-dark);
  max-width:15em;
}
.page-hero-lead{
  margin-top:20px;
  max-width:640px;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
}
.page-hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:30px;}
.hero-figure{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid rgba(36,80,107,.14);
  box-shadow:var(--shadow-sm);
  background:var(--primary-light);
  aspect-ratio:4/3;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:rgba(36,80,107,.10);
  pointer-events:none;
}
.hero-figure-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.92);
  color:var(--primary-dark);
  font-size:13px;font-weight:500;
  font-variant-numeric:tabular-nums;
}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0;scroll-margin-top:90px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:36px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;color:var(--primary-dark);}
.section-head p{font-size:14px;color:var(--muted);margin-top:8px;max-width:620px;}

/* ---------- 更新条 ---------- */
.update-bar{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:14px 20px;margin-bottom:40px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:12px;
  box-shadow:var(--shadow-sm);
  font-size:14px;color:var(--muted);
}
.update-dot{width:8px;height:8px;border-radius:50%;background:var(--gold);flex:none;}
.update-bar strong{color:var(--text);font-weight:600;margin-right:6px;}
.update-bar .btn-text{margin-left:auto;flex:none;}

/* ---------- 分类主体 ---------- */
.catalog-layout{
  display:grid;
  grid-template-columns:200px minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.catalog-side{position:sticky;top:96px;}
.side-group + .side-group{margin-top:30px;padding-top:26px;border-top:1px solid var(--line);}
.side-group h3{
  font-family:var(--font-sans);
  font-size:12px;letter-spacing:.12em;font-weight:600;
  color:var(--weak);margin-bottom:12px;
}
.catalog-side a{
  position:relative;display:block;
  padding:7px 0 7px 16px;
  font-size:15px;color:var(--muted);
  transition:color .18s ease;
}
.catalog-side a::before{
  content:"";position:absolute;left:0;top:50%;
  width:4px;height:4px;margin-top:-2px;border-radius:50%;
  background:transparent;transition:background-color .18s ease;
}
.catalog-side a:hover{color:var(--primary);}
.catalog-side a.is-active{color:var(--primary-dark);font-weight:500;}
.catalog-side a.is-active::before{background:var(--gold);}
.side-note{
  margin-top:30px;padding:18px 18px 20px;
  background:var(--card);border:1px solid var(--line);
  border-radius:12px;
}
.side-note p{font-size:13px;line-height:1.8;color:var(--muted);}
.side-note .btn-text{margin-top:12px;}

/* ---------- 卡片网格 ---------- */
.cards-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.card{
  position:relative;
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:box-shadow .16s ease-out,transform .16s ease-out;
}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
.card-hit{position:absolute;inset:0;z-index:3;border-radius:var(--radius-card);}
.card-media{
  position:relative;
  aspect-ratio:4/3;
  background:var(--primary-light);
  overflow:hidden;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-badge{
  position:absolute;left:14px;top:14px;z-index:2;
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:var(--radius-badge);
  background:var(--primary-light);color:var(--primary);
  font-size:12px;font-weight:500;letter-spacing:.02em;
}
.card-body{
  display:flex;flex-direction:column;gap:10px;
  padding:20px 22px 22px;flex:1;
}
.card-title{
  font-family:var(--font-serif);
  font-size:20px;line-height:1.45;font-weight:600;
  color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-desc{
  font-size:14px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:12px;
}
.card-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--weak);
  font-variant-numeric:tabular-nums;
}
.card-meta .dot{width:4px;height:4px;border-radius:1px;background:var(--gold);flex:none;}
.card-meta .sep{color:#C9CFD4;}
.card-arrow{color:var(--primary);flex:none;transition:transform .18s ease;}
.card:hover .card-arrow{transform:translateX(3px);}

/* ---------- 本周排期 ---------- */
.schedule-list{border-top:1px solid var(--line);}
.schedule-item{
  display:grid;
  grid-template-columns:160px minmax(0,1fr) auto;
  gap:32px;align-items:center;
  padding:24px 0;
  border-bottom:1px solid var(--line);
}
.schedule-time{
  font-family:var(--font-serif);
  font-size:19px;font-weight:600;color:var(--primary-dark);
  font-variant-numeric:tabular-nums;line-height:1.4;
}
.schedule-time span{
  display:block;
  font-family:var(--font-sans);
  font-size:13px;font-weight:400;color:var(--weak);
  letter-spacing:.04em;margin-top:2px;
}
.schedule-body h3{font-size:18px;line-height:1.5;font-weight:600;}
.schedule-body p{font-size:14px;color:var(--muted);margin-top:4px;}
.schedule-item .btn-text{flex:none;}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 0;
  font-size:17px;font-weight:500;color:var(--text);
  cursor:pointer;list-style:none;
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-item[open] summary{color:var(--primary);}
.sign{position:relative;width:18px;height:18px;flex:none;}
.sign::before,.sign::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--primary);border-radius:1px;
  transform:translate(-50%,-50%);
  transition:transform .2s ease,opacity .2s ease;
}
.sign::before{width:14px;height:1.5px;}
.sign::after{width:1.5px;height:14px;}
.faq-item[open] .sign::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{
  max-width:720px;
  padding:0 0 24px;
  font-size:15px;line-height:1.85;color:var(--muted);
}

/* ---------- 订阅 CTA ---------- */
.cta-band{padding:0 0 96px;}
.cta-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,430px);
  gap:44px;align-items:center;
  padding:46px 48px;
  background:var(--primary-light);
  border-radius:var(--radius-lg);
  box-shadow:inset 0 0 0 1px rgba(36,80,107,.10);
}
.cta-copy h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;color:var(--primary-dark);}
.cta-copy p{font-size:15px;line-height:1.85;color:var(--muted);margin-top:12px;max-width:480px;}
.cta-form{display:flex;align-items:flex-end;gap:12px;}
.field{flex:1;display:flex;flex-direction:column;gap:6px;min-width:0;}
.field label{font-size:13px;color:var(--muted);}
.field input{
  height:48px;width:100%;
  padding:0 14px;
  border:1px solid #D8DCE0;border-radius:var(--radius-btn);
  background:#fff;color:var(--text);
  font-family:inherit;font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:var(--weak);}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(36,80,107,.12);}
.cta-form .btn{height:48px;flex:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-dark);color:#F7F6F2;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{
  font-family:var(--font-serif);font-size:22px;font-weight:700;
  letter-spacing:.06em;color:#fff;margin-bottom:16px;
}
.footer-brand span{font-size:12px;letter-spacing:.2em;color:var(--gold);margin-left:8px;font-weight:400;}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.75);max-width:320px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-tags span{
  font-size:12px;padding:4px 10px;border-radius:var(--radius-badge);
  border:1px solid rgba(255,255,255,.22);
  color:rgba(255,255,255,.75);
}
.footer-col h4{
  font-family:var(--font-sans);
  font-size:13px;font-weight:600;letter-spacing:.1em;
  color:#fff;margin-bottom:16px;
}
.footer-col a,.footer-col p{
  display:block;
  font-size:14px;line-height:2;
  color:rgba(255,255,255,.75);
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--gold);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .catalog-layout{grid-template-columns:176px minmax(0,1fr);gap:36px;}
}

@media (max-width:1023px){
  .header-inner{gap:20px;}
  .nav-links{gap:22px;}
  .page-hero-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .hero-figure{max-width:560px;}
  .catalog-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .catalog-side{
    position:static;
    display:flex;flex-wrap:wrap;align-items:center;gap:18px 32px;
    padding-bottom:18px;border-bottom:1px solid var(--line);
  }
  .side-group{display:flex;align-items:center;gap:16px;}
  .side-group + .side-group{margin-top:0;padding-top:0;border-top:0;}
  .side-group h3{margin:0;white-space:nowrap;}
  .side-group ul{display:flex;flex-wrap:wrap;gap:16px;}
  .catalog-side a{padding-left:0;}
  .catalog-side a::before{display:none;}
  .catalog-side a.is-active{color:var(--primary);text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:2px;}
  .side-note{display:none;}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:28px;padding:36px 32px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}

@media (max-width:899px){
  .nav-links,.btn-pill{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-inner{height:60px;}
  .section{padding:64px 0;}
  .page-hero{padding:28px 0 44px;}
  .section-head{margin-bottom:28px;}
}

@media (max-width:767px){
  .container{padding:0 20px;}
  .cards-grid{grid-template-columns:minmax(0,1fr);}
  .schedule-item{grid-template-columns:minmax(0,1fr);gap:10px;padding:20px 0;}
  .schedule-time{font-size:17px;}
  .schedule-item .btn-text{justify-self:start;}
  .cta-band{padding-bottom:72px;}
  .cta-form{flex-direction:column;align-items:stretch;gap:14px;}
  .cta-form .btn{width:100%;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .footer-col:first-child{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

@media (max-width:520px){
  body{font-size:15px;}
  .page-hero h1{font-size:26px;line-height:1.34;}
  .page-hero-lead{font-size:15px;}
  .page-hero-actions{gap:12px;}
  .page-hero-actions .btn{width:100%;}
  .card-body{padding:18px;}
  .card-title{font-size:18px;}
  .faq-item summary{font-size:16px;gap:16px;}
  .cta-inner{padding:28px 22px;border-radius:14px;}
  .cta-copy h2{font-size:22px;}
  .update-bar{padding:12px 16px;font-size:13px;}
  .update-bar .btn-text{margin-left:0;}
  .hero-figure-tag{left:12px;bottom:12px;font-size:12px;padding:6px 12px;}
}

/* roulang page: category2 */
:root{
  --brand:#24506B;
  --brand-deep:#17384C;
  --brand-soft:#E7EEF3;
  --gold:#C39A5A;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --line:#E4E2DB;
  --ink:#2A2F33;
  --ink-2:#5C666E;
  --ink-3:#8A9299;
  --ok:#3F7D5C;
  --warn:#B4503F;
  --r-card:14px;
  --r-panel:18px;
  --r-btn:10px;
  --r-badge:6px;
  --shadow-1:0 1px 2px rgba(23,56,76,.05),0 8px 24px -12px rgba(23,56,76,.14);
  --shadow-2:0 2px 6px rgba(23,56,76,.07),0 16px 40px -16px rgba(23,56,76,.22);
  --serif:"Noto Serif SC","Songti SC","STSong",SimSun,serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:2px solid rgba(36,80,107,.55);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.num{font-variant-numeric:tabular-nums;}
.dot{
  display:inline-block;
  width:4px;height:4px;
  background:var(--gold);
  border-radius:1px;
  vertical-align:middle;
  margin:0 8px 2px;
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,246,242,.96);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  white-space:nowrap;
}
.brand-main{
  font-family:var(--serif);
  font-size:25px;
  font-weight:700;
  color:var(--brand-deep);
  letter-spacing:.04em;
}
.brand-sub{
  font-size:12px;
  letter-spacing:.2em;
  color:var(--gold);
  font-weight:500;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:32px;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  transition:color .18s ease-out;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-4px;
  height:2px;
  width:0;
  background:var(--brand);
  border-radius:2px;
  transition:width .18s ease-out;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{color:var(--brand);}
.nav-links a.is-active::after{width:100%;}
.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:500;
  line-height:1.2;
  padding:13px 26px;
  transition:background-color .16s ease-out,color .16s ease-out,border-color .16s ease-out,transform .16s ease-out,box-shadow .16s ease-out;
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:var(--shadow-1);
}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{
  background:transparent;
  color:var(--brand);
  border-color:#C9D3D9;
}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-soft);}
.btn-outline:active{transform:translateY(1px);}
.btn-pill{
  border-radius:999px;
  padding:9px 20px;
  font-size:14px;
}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:50%;
  border:1px solid var(--line);
  background:transparent;
  color:var(--brand);
  transition:border-color .16s ease-out,background-color .16s ease-out;
}
.icon-btn:hover{border-color:var(--brand);background:var(--brand-soft);}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--brand);
}
.link-more{
  font-size:14px;
  color:var(--brand);
  border-bottom:1px solid transparent;
  transition:color .16s ease-out,border-color .16s ease-out;
}
.link-more:hover{color:var(--gold);border-bottom-color:var(--gold);}

/* ---------- 通栏 hero ---------- */
.replay-hero{padding:36px 0 0;}
.hero-frame{
  position:relative;
  border-radius:var(--r-panel);
  overflow:hidden;
  height:clamp(320px,38vw,400px);
  background:var(--brand-soft);
  border:1px solid var(--line);
}
.hero-img{
  width:100%;height:100%;
  object-fit:cover;
  transform:scale(1.01);
}
.hero-shade{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,56,76,.28) 0%,rgba(23,56,76,.74) 100%);
}
.hero-body{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:clamp(22px,4vw,44px);
  color:#fff;
  max-width:760px;
}
.pill{
  display:inline-block;
  font-size:12px;
  letter-spacing:.12em;
  padding:5px 12px;
  border-radius:var(--r-badge);
  background:var(--brand-soft);
  color:var(--brand);
  font-weight:500;
  margin-bottom:14px;
}
.pill-light{
  background:rgba(255,255,255,.9);
  color:var(--brand);
}
.hero-body h1{
  font-family:var(--serif);
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.24;
  font-weight:700;
  letter-spacing:.01em;
  margin-bottom:14px;
  color:#fff;
}
.hero-body p{
  font-size:clamp(15px,1.4vw,17px);
  line-height:1.8;
  color:rgba(255,255,255,.86);
  max-width:620px;
}
.hero-meta{
  margin-top:18px;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.78);
  font-variant-numeric:tabular-nums;
}
.hero-meta .dot{background:var(--gold);}
.filter-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
  padding-bottom:4px;
}
.chip{
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-2);
  font-size:14px;
  line-height:1.2;
  padding:9px 18px;
  border-radius:999px;
  transition:border-color .16s ease-out,background-color .16s ease-out,color .16s ease-out;
}
.chip:hover{border-color:var(--brand);color:var(--brand);}
.chip.is-on{
  background:var(--brand);
  border-color:var(--brand);
  color:#fff;
}
.chip.is-on:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;}

/* ---------- 通用板块 ---------- */
.section{padding:84px 0 0;}
.section:last-of-type{padding-bottom:0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  padding-bottom:22px;
  border-bottom:1px solid var(--line);
  margin-bottom:32px;
}
.section-head h2{
  font-family:var(--serif);
  font-size:clamp(23px,2.5vw,32px);
  line-height:1.3;
  font-weight:700;
  color:var(--brand-deep);
}
.section-sub{
  margin-top:8px;
  font-size:14px;
  color:var(--ink-3);
  max-width:640px;
}
.head-note{
  font-size:13px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}

/* ---------- 横向更新条 ---------- */
.rail{
  display:flex;
  gap:20px;
  overflow-x:auto;
  padding:2px 2px 14px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:#D9D6CD;border-radius:3px;}
.rail-card{
  flex:0 0 268px;
  scroll-snap-align:start;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:box-shadow .16s ease-out,transform .16s ease-out,border-color .16s ease-out;
}
.rail-card:hover{
  box-shadow:var(--shadow-2);
  transform:translateY(-2px);
  border-color:#D6D2C7;
}
.thumb{
  position:relative;
  display:block;
  aspect-ratio:4/3;
  background:var(--brand-soft);
  overflow:hidden;
}
.thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s ease-out;
}
.rail-card:hover .thumb img,
.replay-card:hover .thumb img{transform:scale(1.03);}
.dur{
  position:absolute;
  right:10px;bottom:10px;
  background:rgba(23,56,76,.82);
  color:#fff;
  font-size:12px;
  line-height:1.4;
  padding:2px 8px;
  border-radius:var(--r-badge);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.rail-body{padding:16px 18px 18px;}
.rail-body h3{
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rail-card:hover .rail-body h3{color:var(--brand);}
.rail-meta{
  margin-top:10px;
  font-size:13px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}

/* ---------- 密集回放网格 ---------- */
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--gap);
}
.replay-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:box-shadow .16s ease-out,transform .16s ease-out,border-color .16s ease-out;
}
.replay-card:hover{
  box-shadow:var(--shadow-2);
  transform:translateY(-2px);
  border-color:#D6D2C7;
}
.replay-card .card-body{
  padding:16px 18px 18px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.badge{
  align-self:flex-start;
  display:inline-block;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  line-height:1.5;
  padding:3px 10px;
  border-radius:var(--r-badge);
  letter-spacing:.06em;
}
.replay-card h3{
  font-size:17px;
  font-weight:600;
  line-height:1.55;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.replay-card:hover h3{color:var(--brand);}
.card-meta{
  margin-top:auto;
  font-size:13px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
}

/* ---------- 热门榜单 ---------- */
.rank-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  padding:8px clamp(18px,3vw,32px);
  box-shadow:var(--shadow-1);
}
.rank-list li + li{border-top:1px solid var(--line);}
.rank-item{
  display:flex;
  align-items:center;
  gap:18px;
  padding:18px 0;
  transition:background-color .16s ease-out;
}
.rank-item:hover .rank-title{color:var(--brand);}
.rank-no{
  font-family:var(--serif);
  font-size:22px;
  font-weight:700;
  color:var(--gold);
  opacity:.6;
  width:38px;
  flex:0 0 38px;
  font-variant-numeric:tabular-nums;
}
.rank-title{
  flex:1;
  min-width:0;
  font-size:16px;
  font-weight:500;
  color:var(--ink);
  transition:color .16s ease-out;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.rank-meta{
  font-size:13px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}

/* ---------- 观看步骤 ---------- */
.steps{
  border-top:1px solid var(--line);
}
.step{
  display:flex;
  align-items:flex-start;
  gap:20px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
.step-no{
  font-family:var(--serif);
  font-size:18px;
  color:var(--gold);
  opacity:.7;
  flex:0 0 42px;
  font-variant-numeric:tabular-nums;
  line-height:1.6;
}
.step h3{
  font-size:17px;
  font-weight:600;
  color:var(--brand-deep);
  margin-bottom:4px;
}
.step p{
  font-size:15px;
  color:var(--ink-2);
  line-height:1.8;
}

/* ---------- 数据条 ---------- */
.stats-band{
  margin-top:84px;
  background:var(--brand-deep);
  color:#fff;
  padding:44px 0;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.stat + .stat{
  border-left:1px solid rgba(255,255,255,.16);
  padding-left:24px;
}
.stat-value{
  font-family:var(--serif);
  font-size:clamp(26px,3vw,36px);
  line-height:1.2;
  font-weight:700;
  color:#fff;
  font-variant-numeric:tabular-nums;
}
.stat-value small{
  font-size:15px;
  font-weight:500;
  color:var(--gold);
  margin-left:4px;
}
.stat-label{
  margin-top:6px;
  font-size:13px;
  letter-spacing:.06em;
  color:rgba(255,255,255,.72);
}

/* ---------- FAQ ---------- */
.faq{
  max-width:820px;
  border-top:1px solid var(--line);
}
.faq details{
  border-bottom:1px solid var(--line);
}
.faq summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 0;
  font-size:17px;
  font-weight:500;
  color:var(--ink);
  list-style:none;
  cursor:pointer;
  transition:color .16s ease-out;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--brand);}
.faq summary::after{
  content:"+";
  font-size:20px;
  line-height:1;
  color:var(--brand);
  flex:0 0 auto;
  transition:transform .18s ease-out;
}
.faq details[open] summary{color:var(--brand);}
.faq details[open] summary::after{content:"−";}
.faq .answer{
  padding:0 0 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:720px;
}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:84px;
  background:var(--brand-soft);
  border:1px solid #D6E1E9;
  border-radius:var(--r-panel);
  padding:clamp(26px,4vw,48px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-copy h2{
  font-family:var(--serif);
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.35;
  font-weight:700;
  color:var(--brand-deep);
}
.cta-copy p{
  margin-top:10px;
  font-size:15px;
  color:var(--ink-2);
  max-width:460px;
}
.cta-form{
  display:flex;
  gap:12px;
  align-items:flex-end;
  flex-wrap:wrap;
}
.field{
  display:flex;
  flex-direction:column;
  gap:6px;
}
.field label{
  font-size:13px;
  color:var(--ink-2);
  letter-spacing:.04em;
}
.field input{
  width:280px;
  height:48px;
  padding:0 14px;
  border:1px solid #D8DCE0;
  border-radius:var(--r-btn);
  background:#fff;
  font-size:15px;
  color:var(--ink);
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.field input::placeholder{color:var(--ink-3);}
.field input:hover{border-color:#B9C4CB;}
.field input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(36,80,107,.12);
}
.cta-form .btn{height:48px;}
.form-note{
  flex-basis:100%;
  font-size:13px;
  color:var(--ink-3);
  min-height:20px;
}
.form-note.ok{color:var(--ok);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--brand-deep);
  color:#F7F6F2;
  padding:60px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand{
  font-family:var(--serif);
  font-size:22px;
  font-weight:700;
  color:#fff;
  letter-spacing:.04em;
}
.footer-brand span{
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:.2em;
  color:var(--gold);
  margin-left:8px;
}
.footer-about{
  margin-top:14px;
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.75);
  max-width:320px;
}
.footer-tags{
  margin-top:18px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.footer-tags span{
  font-size:12px;
  padding:3px 10px;
  border-radius:var(--r-badge);
  border:1px solid rgba(255,255,255,.2);
  color:rgba(255,255,255,.72);
}
.footer-col h4{
  font-size:13px;
  font-weight:500;
  letter-spacing:.1em;
  color:rgba(255,255,255,.6);
  margin-bottom:14px;
}
.footer-col a,
.footer-col p{
  display:block;
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.75);
  margin-bottom:8px;
  transition:color .16s ease-out;
}
.footer-col a:hover{color:var(--gold);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.16);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.6);
  font-variant-numeric:tabular-nums;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .section{padding-top:64px;}
  .stats-band{margin-top:64px;}
  .cta-band{margin-top:64px;}
  .site-footer{margin-top:72px;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .stat:nth-child(3){border-left:none;padding-left:0;}
  .field input{width:240px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .header-inner{height:60px;}
  .brand-main{font-size:21px;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-pill{display:none;}
  .nav-links{
    position:fixed;
    top:60px;left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:var(--bg);
    border-bottom:1px solid var(--line);
    padding:8px 20px 24px;
    z-index:70;
    box-shadow:0 16px 32px -20px rgba(23,56,76,.3);
  }
  .site-header.nav-open .nav-links{display:flex;}
  .nav-links a{
    font-size:20px;
    line-height:56px;
    border-bottom:1px solid var(--line);
    color:var(--ink);
  }
  .nav-links a::after{display:none;}
  .nav-links a.is-active{color:var(--brand);}
  .replay-hero{padding-top:20px;}
  .hero-frame{height:360px;}
  .hero-body{padding:22px;}
  .hero-body p{font-size:15px;}
  .filter-row{gap:8px;margin-top:18px;}
  .chip{font-size:13px;padding:8px 14px;}
  .section{padding-top:48px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;padding-bottom:16px;margin-bottom:24px;}
  .grid-3{grid-template-columns:1fr;}
  .rail-card{flex:0 0 236px;}
  .rank-item{flex-wrap:wrap;gap:10px 14px;padding:16px 0;}
  .rank-title{white-space:normal;font-size:15px;}
  .rank-meta{font-size:12px;}
  .stats-band{margin-top:48px;padding:34px 0;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .stat + .stat{border-left:none;padding-left:0;}
  .step{gap:14px;padding:18px 0;}
  .step-no{flex-basis:32px;font-size:16px;}
  .cta-band{margin-top:48px;padding:26px 22px;gap:22px;}
  .cta-form{width:100%;flex-direction:column;align-items:stretch;}
  .field input{width:100%;}
  .cta-form .btn{width:100%;}
  .site-footer{margin-top:56px;padding:44px 0 22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-about{max-width:none;}
  .footer-bottom{flex-direction:column;gap:8px;margin-top:32px;}
}
@media (max-width:480px){
  .hero-frame{height:330px;}
  .hero-body h1{font-size:26px;}
  .stats-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .rank-no{font-size:18px;flex-basis:30px;}
}