/* roulang page: index */
:root{
    --bg:#12100C;
    --bg-soft:#1B1813;
    --surface:#241F18;
    --line:rgba(233,196,106,.14);
    --line-strong:rgba(233,196,106,.35);
    --primary:#E9C46A;
    --primary-deep:#C79A3A;
    --accent:#4FA88B;
    --accent-2:#8E6BD6;
    --text:#F3EFE6;
    --text-2:#B7AE9D;
    --text-3:#857C6C;
    --radius-card:16px;
    --radius-btn:10px;
    --radius-img:12px;
    --shadow:0 8px 24px rgba(0,0,0,.35);
    --shadow-hover:0 14px 34px rgba(0,0,0,.45);
    --danger:#D9694F;
  }
  *{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:15px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  input,select,textarea{font-family:inherit;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
  .num{font-variant-numeric:tabular-nums;}
  .container{width:100%;max-width:1152px;margin:0 auto;padding-left:16px;padding-right:16px;}
  @media (min-width:640px){.container{padding-left:24px;padding-right:24px;}}
  @media (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

  /* 顶部倒计时条 */
  .ticker{background:var(--primary-deep);color:#171208;font-size:13px;}
  .ticker-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:40px;padding-top:5px;padding-bottom:5px;}
  .ticker-left{display:none;align-items:center;gap:8px;font-weight:600;letter-spacing:.02em;}
  @media (min-width:640px){.ticker-left{display:flex;}}
  .ticker-clock{display:flex;align-items:center;gap:6px;font-weight:700;}
  .clock-box{background:rgba(23,18,8,.14);border-radius:6px;padding:1px 7px;font-variant-numeric:tabular-nums;}
  .ticker-link{border:1px solid rgba(23,18,8,.38);border-radius:999px;padding:2px 12px;font-weight:600;transition:background .18s ease;}
  .ticker-link:hover{background:rgba(23,18,8,.14);}

  /* 头部 */
  .site-header{position:sticky;top:0;z-index:50;background:rgba(27,24,19,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
  .site-header.scrolled{box-shadow:0 6px 20px rgba(0,0,0,.45);}
  .brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;}
  .brand{display:flex;align-items:center;gap:10px;}
  .brand-mark{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;background:linear-gradient(160deg,var(--primary),var(--primary-deep));color:#1A1508;font-weight:800;font-size:15px;letter-spacing:.04em;}
  .brand-name{font-size:16px;font-weight:700;letter-spacing:.02em;line-height:1.2;}
  .brand-sub{font-size:11px;color:var(--text-3);line-height:1.4;margin-top:2px;}
  .brand-sub{display:none;}
  @media (min-width:900px){.brand-sub{display:block;}}
  .brand-row-actions{display:flex;align-items:center;gap:10px;}
  .icon-btn{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);color:var(--text-2);background:transparent;transition:all .18s ease;cursor:pointer;}
  .icon-btn:hover{color:var(--primary);border-color:var(--line-strong);}
  @media (min-width:768px){.icon-btn{display:flex;}}

  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 20px;border-radius:var(--radius-btn);font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,background .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;}
  .btn-primary{background:var(--primary);color:#1A1508;box-shadow:0 0 0 1px rgba(233,196,106,.35),0 6px 22px rgba(233,196,106,.22);}
  .btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(233,196,106,.45),0 10px 28px rgba(233,196,106,.3);}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
  .btn-ghost:hover{border-color:var(--line-strong);color:var(--primary);}
  .btn-sm{height:36px;padding:0 14px;font-size:13px;}
  .btn-block{width:100%;}
  .btn:active{transform:translateY(0);}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;transition:gap .18s ease,color .18s ease;}
  .link-arrow:hover{gap:10px;color:var(--primary-deep);}

  .channel-row{border-top:1px solid var(--line);}
  .channel-scroll{display:flex;align-items:center;gap:26px;min-height:48px;overflow-x:auto;scrollbar-width:none;}
  .channel-scroll::-webkit-scrollbar{display:none;}
  .channel-link{position:relative;flex:0 0 auto;padding:12px 0;font-size:14px;color:var(--text-2);white-space:nowrap;transition:color .18s ease;}
  .channel-link:hover{color:var(--text);}
  .channel-link.active{color:var(--text);font-weight:700;}
  .channel-link.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--primary);border-radius:2px;}

  .nav-toggle{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--text);cursor:pointer;}
  @media (min-width:1024px){.nav-toggle{display:none;}}

  /* 抽屉 */
  .drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:60;}
  .drawer-overlay.open{opacity:1;visibility:visible;}
  .drawer{position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;background:var(--bg-soft);border-left:1px solid var(--line);transform:translateX(100%);transition:transform .24s ease;z-index:61;padding:18px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;}
  .drawer.open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
  .drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:center;}
  .drawer a.drawer-link{display:block;padding:12px 10px;border-radius:10px;color:var(--text-2);font-size:15px;border:1px solid transparent;}
  .drawer a.drawer-link:hover,.drawer a.drawer-link.active{background:rgba(233,196,106,.08);color:var(--primary);border-color:var(--line);}
  .drawer .drawer-cta{margin-top:12px;}

  /* Hero */
  .hero{position:relative;overflow:hidden;padding:48px 0 56px;}
  @media (min-width:1024px){.hero{padding:72px 0 84px;}}
  .hero::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 320px at 16% 8%,rgba(233,196,106,.16),transparent 65%),radial-gradient(520px 300px at 88% 78%,rgba(142,107,214,.13),transparent 68%);pointer-events:none;}
  .hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
  @media (min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:52px;}}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:rgba(233,196,106,.07);color:var(--primary);font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;letter-spacing:.04em;}
  .hero h1{font-size:30px;line-height:1.24;font-weight:800;letter-spacing:-.01em;margin-top:18px;}
  @media (min-width:640px){.hero h1{font-size:36px;}}
  @media (min-width:1024px){.hero h1{font-size:44px;}}
  .hero h1 em{font-style:normal;color:var(--primary);}
  .hero-sub{margin-top:16px;color:var(--text-2);font-size:15px;line-height:1.85;max-width:36em;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .hero-media{position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
  .hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
  .hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,16,12,0) 40%,rgba(18,16,12,.82) 100%);}
  .hero-media-tag{position:absolute;left:16px;top:16px;z-index:2;background:rgba(27,24,19,.78);border:1px solid var(--line-strong);color:var(--primary);font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;backdrop-filter:blur(6px);}
  .hero-media-cap{position:absolute;left:18px;right:18px;bottom:16px;z-index:2;}
  .hero-media-cap strong{display:block;font-size:15px;font-weight:700;}
  .hero-media-cap span{font-size:12px;color:var(--text-2);}

  .stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:32px;border-top:1px solid var(--line);padding-top:22px;}
  .stat-num{font-size:22px;font-weight:800;color:var(--primary);line-height:1.2;font-variant-numeric:tabular-nums;}
  @media (min-width:640px){.stat-num{font-size:26px;}}
  .stat-label{font-size:12px;color:var(--text-3);margin-top:4px;}

  /* 板块通用 */
  .section{padding:48px 0;}
  @media (min-width:1024px){.section{padding:64px 0;}}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:28px;}
  .section-kicker{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--accent);text-transform:uppercase;}
  .section-title{font-size:23px;font-weight:800;line-height:1.3;margin-top:8px;}
  @media (min-width:1024px){.section-title{font-size:29px;}}
  .section-desc{color:var(--text-2);font-size:14px;margin-top:10px;max-width:44em;}

  /* 卡片 */
  .card{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;}
  .card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
  .badge{display:inline-flex;align-items:center;gap:6px;border:1px solid rgba(79,168,139,.45);color:var(--accent);font-size:11px;font-weight:700;padding:2px 10px;border-radius:999px;letter-spacing:.03em;}
  .badge-gold{background:var(--primary);border-color:var(--primary);color:#1A1508;}
  .badge-violet{border-color:rgba(142,107,214,.5);color:#B49BEB;}
  .card-title{font-size:16px;font-weight:700;line-height:1.5;}
  .card-text{color:var(--text-2);font-size:14px;line-height:1.8;}
  .clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
  .meta{font-size:12px;color:var(--text-3);}

  .feature-grid{display:grid;grid-template-columns:1fr;gap:16px;}
  @media (min-width:900px){.feature-grid{grid-template-columns:1.35fr .85fr .85fr;}}
  .feature-main{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;display:flex;flex-direction:column;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;}
  .feature-main:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
  .feature-main img{width:100%;aspect-ratio:16/8;object-fit:cover;}
  .feature-main-body{padding:20px;}
  .feature-mini{background:var(--bg-soft);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius-card);padding:20px;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;}
  .feature-mini:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);border-left-color:var(--accent);}

  /* 资讯列表 */
  .post-grid{display:grid;grid-template-columns:1fr;gap:18px;}
  @media (min-width:768px){.post-grid{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.post-grid{grid-template-columns:repeat(3,1fr);}}
  .post-card{display:flex;flex-direction:column;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;}
  .post-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
  .post-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
  .post-card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .post-card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:10px;border-top:1px solid var(--line);}
  .empty-state{border:1px dashed var(--line);border-radius:var(--radius-card);padding:44px 20px;text-align:center;background:rgba(36,31,24,.5);}
  .empty-state p{color:var(--text-2);font-size:14px;}

  /* 图墙 */
  .wall-layout{display:grid;grid-template-columns:1fr;gap:20px;}
  @media (min-width:1024px){.wall-layout{grid-template-columns:1.6fr .9fr;}}
  .wall-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
  @media (min-width:768px){.wall-grid{grid-template-columns:repeat(3,1fr);}}
  .wall-item{position:relative;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);}
  .wall-item img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .3s ease;}
  .wall-item.tall img{aspect-ratio:4/5;}
  .wall-item:hover img{transform:scale(1.03);}
  .wall-item figcaption{position:absolute;inset:auto 0 0 0;padding:22px 12px 10px;font-size:12px;font-weight:600;color:#F3EFE6;background:linear-gradient(180deg,rgba(18,16,12,0),rgba(18,16,12,.9));}
  .side-panel{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;height:max-content;}
  .rule-list li{display:flex;gap:10px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--text-2);}
  .rule-list li:last-child{border-bottom:0;}
  .rule-list .dot{flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--primary);margin-top:9px;}

  /* 时间线 */
  .timeline{position:relative;border-left:1px solid var(--line);margin-left:8px;padding-left:22px;}
  .timeline-item{position:relative;padding:0 0 26px;}
  .timeline-item:last-child{padding-bottom:0;}
  .timeline-item::before{content:"";position:absolute;left:-28px;top:7px;width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(233,196,106,.14);}
  .timeline-time{font-size:12px;font-weight:700;color:var(--primary);letter-spacing:.04em;font-variant-numeric:tabular-nums;}
  .timeline-title{font-size:15px;font-weight:700;margin-top:4px;}

  /* 表单 */
  .cta-block{position:relative;background:var(--surface);border:1px solid var(--line-strong);border-radius:20px;padding:28px;overflow:hidden;}
  @media (min-width:1024px){.cta-block{padding:44px;}}
  .cta-block::before{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(233,196,106,.16),transparent 70%);}
  .form-grid{display:grid;grid-template-columns:1fr;gap:14px;}
  @media (min-width:768px){.form-grid{grid-template-columns:1fr 1fr;}}
  .field label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:6px;}
  .field input,.field select{width:100%;height:44px;border-radius:10px;border:1px solid var(--line);background:#1A1710;color:var(--text);padding:0 12px;font-size:14px;transition:border-color .18s ease,box-shadow .18s ease;}
  .field input::placeholder{color:#6E665A;}
  .field input:focus,.field select:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px rgba(233,196,106,.14);}
  .form-note{font-size:12px;color:var(--text-3);margin-top:12px;}
  .form-msg{font-size:13px;margin-top:12px;color:var(--accent);display:none;}
  .form-msg.show{display:block;}

  /* FAQ */
  .faq-layout{display:grid;grid-template-columns:1fr;gap:20px;}
  @media (min-width:1024px){.faq-layout{grid-template-columns:1.6fr .8fr;}}
  .faq details{border-bottom:1px solid var(--line);}
  .faq summary{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 4px;font-size:15px;font-weight:600;cursor:pointer;list-style:none;transition:color .18s ease;}
  .faq summary::-webkit-details-marker{display:none;}
  .faq summary:hover{color:var(--primary);}
  .faq summary .plus{flex:0 0 auto;width:22px;height:22px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:6px;color:var(--primary);font-size:14px;line-height:1;transition:transform .18s ease;}
  .faq details[open] summary .plus{transform:rotate(45deg);}
  .faq-body{padding:0 4px 18px;color:var(--text-2);font-size:14px;line-height:1.85;}

  /* 页脚 */
  .site-footer{background:var(--bg);border-top:1px solid var(--line);padding:46px 0 26px;margin-top:8px;}
  .footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
  @media (min-width:900px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}}
  .footer-title{font-size:13px;font-weight:700;color:var(--text);margin-bottom:12px;}
  .footer-links a{display:block;font-size:13px;color:var(--text-2);padding:4px 0;transition:color .18s ease;}
  .footer-links a:hover{color:var(--primary);}
  .footer-bottom{margin-top:32px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12px;color:var(--text-3);}
  .tag-line{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text-3);}

/* roulang page: category1 */
:root{
  --bg:#12100C;
  --bg-soft:#1B1813;
  --surface:#241F18;
  --line:rgba(233,196,106,.14);
  --primary:#E9C46A;
  --primary-deep:#C79A3A;
  --accent:#4FA88B;
  --accent-2:#8E6BD6;
  --text:#F3EFE6;
  --text-2:#B7AE9D;
  --text-3:#857C6C;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 14px 34px rgba(0,0,0,.45);
  --tr:180ms ease;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:15px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1140px;margin:0 auto;padding:0 16px;}
@media(min-width:640px){.container{padding:0 24px;}}
@media(min-width:1024px){.container{padding:0 32px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(27,24,19,.78);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--tr);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(0,0,0,.4);}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:54px;height:44px;border-radius:12px;flex:none;
  background:linear-gradient(140deg,#F0D486,#C79A3A);
  color:#1B1813;font-size:15px;font-weight:800;letter-spacing:.04em;
  box-shadow:0 4px 14px rgba(233,196,106,.22);
}
.brand-name{display:block;font-size:15px;font-weight:700;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand-sub{display:none;font-size:11px;color:var(--text-3);margin-top:1px;}
@media(min-width:768px){.brand-sub{display:block;}}
.brand-row-actions{display:flex;align-items:center;gap:8px;flex:none;}
.icon-btn{
  width:38px;height:38px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:transparent;color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:color var(--tr),border-color var(--tr),background var(--tr);
}
.icon-btn:hover{color:var(--primary);border-color:rgba(233,196,106,.45);background:rgba(233,196,106,.06);}
.nav-toggle{
  width:38px;height:38px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:transparent;color:var(--text);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:border-color var(--tr),color var(--tr);
}
.nav-toggle:hover{border-color:rgba(233,196,106,.45);color:var(--primary);}
@media(min-width:1024px){.nav-toggle{display:none;}}
@media(max-width:420px){.brand-row-actions .btn-sm{display:none;}}

.channel-row{border-top:1px solid var(--line);background:rgba(27,24,19,.5);}
.channel-scroll{
  display:flex;align-items:center;gap:22px;height:48px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:48px;
  font-size:14px;color:var(--text-2);white-space:nowrap;transition:color var(--tr);
}
.channel-link:hover{color:var(--text);}
.channel-link.active{color:var(--text);font-weight:600;}
.channel-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--primary);border-radius:2px;
}
@media(max-width:1023px){
  .site-header.menu-open .channel-scroll{
    flex-direction:column;align-items:flex-start;height:auto;
    padding:8px 0 14px;gap:0;overflow:visible;
  }
  .site-header.menu-open .channel-link{height:42px;width:100%;}
  .site-header.menu-open .channel-link.active::after{display:none;}
  .site-header.menu-open .channel-link.active{color:var(--primary);}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background var(--tr),color var(--tr),border-color var(--tr),transform var(--tr),box-shadow var(--tr);
}
.btn-sm{height:36px;padding:0 14px;font-size:13px;border-radius:9px;}
.btn-primary{
  background:var(--primary);color:#1B1813;
  box-shadow:0 0 0 1px rgba(233,196,106,.35),0 6px 22px rgba(233,196,106,.2);
}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(233,196,106,.5),0 10px 26px rgba(233,196,106,.26);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(233,196,106,.4),0 4px 14px rgba(233,196,106,.2);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line);}
.btn-ghost:hover{border-color:rgba(233,196,106,.5);color:var(--primary);}
.btn-block{width:100%;}
.btn-arrow{gap:6px;}
.btn-arrow svg{transition:transform var(--tr);}
.btn-arrow:hover svg{transform:translateX(2px);}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:40px 0 44px;
  background:
    radial-gradient(620px 320px at 84% 8%,rgba(233,196,106,.16),transparent 70%),
    radial-gradient(520px 300px at 4% 84%,rgba(142,107,214,.13),transparent 72%);
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:44px;}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;color:var(--accent);
  border:1px solid rgba(79,168,139,.4);border-radius:999px;padding:5px 12px;
  background:rgba(79,168,139,.08);
}
.hero-title{
  margin-top:16px;
  font-size:clamp(26px,5.2vw,44px);
  line-height:1.22;font-weight:700;letter-spacing:-.01em;
}
.hero-lead{margin-top:16px;color:var(--text-2);font-size:15px;line-height:1.9;max-width:38em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-card);border:1px solid var(--line);
  box-shadow:var(--shadow);
}
@media(min-width:640px){.hero-media img{aspect-ratio:16/10;}}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-card);
  background:linear-gradient(180deg,rgba(18,16,12,0) 55%,rgba(18,16,12,.5) 100%);
  pointer-events:none;
}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px;max-width:460px;}
.stat{border-top:1px solid var(--line);padding-top:12px;}
.stat-num{display:block;color:var(--primary);font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.3;}
.stat-label{display:block;font-size:12px;color:var(--text-3);margin-top:2px;}

/* ---------- crumbs & pills ---------- */
.crumbs{font-size:13px;color:var(--text-3);padding:16px 0 0;}
.crumbs a{color:var(--text-2);transition:color var(--tr);}
.crumbs a:hover{color:var(--primary);}
.crumbs span.sep{margin:0 6px;color:var(--text-3);}
.channel-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.pill{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line);
  font-size:13px;color:var(--text-2);transition:all var(--tr);
}
.pill:hover{border-color:rgba(233,196,106,.45);color:var(--text);}
.pill.active{background:var(--primary);border-color:var(--primary);color:#1B1813;font-weight:600;}

/* ---------- sections ---------- */
.section{padding:44px 0;}
@media(min-width:1024px){.section{padding:60px 0;}}
.section-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:24px;}
.h2{font-size:clamp(21px,3vw,28px);font-weight:700;line-height:1.35;}
.section-desc{margin-top:8px;color:var(--text-2);font-size:14px;line-height:1.85;max-width:58em;}
.tag-line{font-size:12px;color:var(--text-3);}
.section-kicker{font-size:12px;letter-spacing:.14em;color:var(--primary);text-transform:uppercase;margin-bottom:8px;}

/* ---------- cards ---------- */
.card{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;transition:border-color var(--tr),transform var(--tr),box-shadow var(--tr);
}
.card:hover{border-color:rgba(233,196,106,.35);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.card-text{color:var(--text-2);font-size:14px;line-height:1.85;}
.card-title{font-size:17px;font-weight:700;margin-bottom:8px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;
  border-radius:999px;border:1px solid rgba(79,168,139,.45);
  background:rgba(79,168,139,.1);color:var(--accent);font-size:12px;
}
.badge-gold{background:var(--primary);border-color:var(--primary);color:#1B1813;font-weight:600;}
.badge-purple{background:rgba(142,107,214,.14);border-color:rgba(142,107,214,.45);color:#B49BEA;}

/* ---------- split blocks ---------- */
.split{display:grid;grid-template-columns:1fr;gap:20px;align-items:center;}
@media(min-width:768px){.split{grid-template-columns:1fr 1fr;gap:32px;}}
@media(min-width:768px){.split.reverse .split-media{order:2;}}
.media-frame img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:12px;border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.check-list{margin-top:14px;display:flex;flex-direction:column;gap:10px;}
.check-list li{position:relative;padding-left:22px;color:var(--text-2);font-size:14px;line-height:1.8;}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:10px;height:10px;
  border-radius:3px;background:rgba(79,168,139,.22);border:1px solid var(--accent);
}
.line-card{
  background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:0 12px 12px 0;padding:18px 20px;
  transition:border-color var(--tr),transform var(--tr);
}
.line-card:hover{transform:translateY(-2px);border-color:rgba(233,196,106,.3);border-left-color:var(--accent);}
.duo{display:grid;grid-template-columns:1fr;gap:16px;margin-top:20px;}
@media(min-width:768px){.duo{grid-template-columns:1fr 1fr;}}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:640px){.steps{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);}}
.step{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;transition:border-color var(--tr),transform var(--tr),box-shadow var(--tr);
}
.step:hover{border-color:rgba(233,196,106,.35);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:10px;
  background:rgba(233,196,106,.14);border:1px solid rgba(233,196,106,.4);
  color:var(--primary);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step h3{font-size:16px;font-weight:700;margin-top:12px;}
.step p{margin-top:8px;color:var(--text-2);font-size:14px;line-height:1.8;}

/* ---------- kpi / quotes ---------- */
.kpi{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:640px){.kpi{grid-template-columns:repeat(3,1fr);}}
.kpi-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;
}
.kpi-num{color:var(--primary);font-size:28px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2;}
.kpi-label{margin-top:6px;font-size:13px;color:var(--text-2);}
.quotes{display:grid;grid-template-columns:1fr;gap:16px;margin-top:24px;}
@media(min-width:768px){.quotes{grid-template-columns:1fr 1fr;}}
.quote{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;
}
.quote p{color:var(--text-2);font-size:14px;line-height:1.9;}
.quote footer{margin-top:12px;font-size:12px;color:var(--text-3);}

/* ---------- faq ---------- */
.faq{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--bg-soft);padding:6px 20px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 0;font-size:15px;font-weight:600;cursor:pointer;list-style:none;
  transition:color var(--tr);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-icon{
  flex:none;width:22px;height:22px;border-radius:50%;
  border:1px solid rgba(233,196,106,.4);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;line-height:1;transition:transform var(--tr),background var(--tr);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:rgba(233,196,106,.14);}
.faq-body{color:var(--text-2);font-size:14px;line-height:1.9;padding:0 0 16px;max-width:62em;}

/* ---------- cta / form ---------- */
.join-card{
  background:var(--surface);border:1px solid rgba(233,196,106,.28);
  border-radius:18px;padding:26px;box-shadow:var(--shadow);
}
@media(min-width:768px){.join-card{padding:34px;}}
.join-grid{display:grid;grid-template-columns:1fr;gap:26px;}
@media(min-width:1024px){.join-grid{grid-template-columns:1fr 1.1fr;gap:36px;align-items:start;}}
.form-grid{display:grid;grid-template-columns:1fr;gap:14px;}
@media(min-width:640px){.form-grid{grid-template-columns:1fr 1fr;}.form-grid .full{grid-column:1/-1;}}
label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px;}
input,select{
  width:100%;height:44px;border-radius:var(--radius-btn);
  background:#161310;border:1px solid var(--line);color:var(--text);
  padding:0 12px;font-size:14px;transition:border-color var(--tr),background var(--tr);
}
input::placeholder{color:#6C6455;}
input:hover,select:hover{border-color:rgba(233,196,106,.32);}
input:focus,select:focus{border-color:var(--primary);background:#1A1712;}
.form-note{font-size:12px;color:var(--text-3);margin-top:12px;line-height:1.7;}
.form-msg{font-size:13px;color:var(--accent);margin-top:10px;min-height:20px;}

/* ---------- recommend ---------- */
.rec-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:768px){.rec-grid{grid-template-columns:repeat(3,1fr);}}
.rec{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px 18px;transition:border-color var(--tr),transform var(--tr),box-shadow var(--tr);
}
.rec:hover{border-color:rgba(233,196,106,.4);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.rec strong{display:block;font-size:15px;color:var(--text);}
.rec small{display:block;font-size:12px;color:var(--text-3);margin-top:2px;}
.rec svg{flex:none;color:var(--primary);transition:transform var(--tr);}
.rec:hover svg{transform:translateX(3px);}

/* ---------- footer ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding-top:36px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:26px;}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}}
.footer-title{font-size:13px;font-weight:600;color:var(--text);margin-bottom:12px;}
.footer-links{display:flex;flex-direction:column;gap:9px;}
.footer-links a{font-size:13px;color:var(--text-2);transition:color var(--tr);}
.footer-links a:hover{color:var(--primary);}
.footer-bottom{
  border-top:1px solid var(--line);margin-top:30px;padding:16px 0 30px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;
  font-size:12px;color:var(--text-3);
}

/* roulang page: article */
:root{
    --bg:#12100C;
    --bg-soft:#1B1813;
    --surface:#241F18;
    --line:rgba(233,196,106,.14);
    --line-strong:rgba(233,196,106,.35);
    --primary:#E9C46A;
    --primary-deep:#C79A3A;
    --accent:#4FA88B;
    --accent-2:#8E6BD6;
    --text:#F3EFE6;
    --text-2:#B7AE9D;
    --text-3:#857C6C;
    --danger:#D9694F;
    --radius-card:16px;
    --radius-btn:10px;
    --radius-img:12px;
    --shadow:0 8px 24px rgba(0,0,0,.35);
    --shadow-hover:0 14px 34px rgba(0,0,0,.45);
    --ease:180ms ease;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;scroll-padding-top:120px;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:15px;
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
  }
  a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
  img{display:block;max-width:100%;height:auto;}
  button,input,select{font-family:inherit;font-size:inherit;color:inherit;}
  button{cursor:pointer;border:none;background:none;}
  h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
  ul,ol{padding-left:0;list-style:none;}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
  .container{width:100%;max-width:1140px;margin:0 auto;padding-left:16px;padding-right:16px;}
  .tabular{font-variant-numeric:tabular-nums;}

  /* ---------- 顶部提示条 ---------- */
  .topline{background:var(--primary-deep);color:#1A1509;}
  .topline-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:38px;font-size:13px;}
  .topline-text{font-weight:600;letter-spacing:.2px;}
  .topline-link{font-weight:600;border-bottom:1px solid rgba(26,21,9,.45);}
  .topline-link:hover{color:#000;}

  /* ---------- 头部与导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(27,24,19,.72);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow var(--ease);
  }
  .site-header.scrolled{box-shadow:0 6px 20px rgba(0,0,0,.4);}
  .brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;}
  .brand{display:flex;align-items:center;gap:10px;}
  .brand-mark{
    display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:40px;flex:0 0 40px;
    border-radius:10px;
    background:linear-gradient(150deg,var(--primary),var(--primary-deep));
    color:#1A1509;font-size:13px;font-weight:800;letter-spacing:.5px;
  }
  .brand-name{display:block;font-size:15px;font-weight:700;color:var(--text);letter-spacing:.2px;line-height:1.3;}
  .brand-sub{display:block;font-size:11px;color:var(--text-3);line-height:1.4;margin-top:2px;}
  .brand-row-actions{display:flex;align-items:center;gap:10px;}
  .icon-btn{
    display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:40px;border-radius:10px;
    border:1px solid var(--line);
    background:rgba(36,31,24,.7);
    color:var(--text-2);
    transition:color var(--ease),border-color var(--ease),background-color var(--ease);
  }
  .icon-btn:hover{color:var(--primary);border-color:var(--line-strong);}
  .nav-toggle{
    display:none;align-items:center;justify-content:center;
    width:40px;height:40px;border-radius:10px;
    border:1px solid var(--line);color:var(--text-2);background:rgba(36,31,24,.7);
    transition:color var(--ease),border-color var(--ease);
  }
  .nav-toggle:hover{color:var(--primary);border-color:var(--line-strong);}
  .channel-row{border-top:1px solid var(--line);}
  .channel-scroll{display:flex;align-items:center;gap:26px;height:48px;overflow-x:auto;scrollbar-width:none;}
  .channel-scroll::-webkit-scrollbar{display:none;}
  .channel-link{
    position:relative;white-space:nowrap;
    font-size:14px;color:var(--text-2);padding:6px 0;
    transition:color var(--ease);
  }
  .channel-link::after{
    content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
    background:var(--primary);opacity:0;transform:scaleX(.4);
    transition:opacity var(--ease),transform var(--ease);
  }
  .channel-link:hover{color:var(--text);}
  .channel-link.active{color:var(--text);font-weight:600;}
  .channel-link.active::after{opacity:1;transform:scaleX(1);}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 20px;border-radius:var(--radius-btn);
    font-size:14px;font-weight:600;border:1px solid transparent;
    transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
  }
  .btn-sm{height:36px;padding:0 14px;font-size:13px;border-radius:9px;}
  .btn-primary{
    background:var(--primary);color:#17130A;
    box-shadow:0 0 0 1px rgba(233,196,106,.35),0 6px 22px rgba(233,196,106,.22);
  }
  .btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(233,196,106,.5),0 10px 26px rgba(233,196,106,.28);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{
    background:transparent;border-color:var(--line);color:var(--text);
  }
  .btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
  .btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}

  /* ---------- 徽章 / 标签 ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    height:26px;padding:0 12px;border-radius:999px;
    font-size:12px;line-height:1;
    border:1px solid rgba(79,168,139,.45);
    color:#9AD3BD;background:rgba(79,168,139,.10);
  }
  .badge-hot{
    border-color:rgba(233,196,106,.5);color:#1A1509;background:var(--primary);font-weight:700;
  }
  .tag-pill{
    display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
    font-size:13px;color:var(--text-2);border:1px solid var(--line);
    transition:color var(--ease),border-color var(--ease),background-color var(--ease);
  }
  .tag-pill:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(233,196,106,.06);}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    padding:22px 0 18px;
    font-size:13px;color:var(--text-3);
    border-bottom:1px solid var(--line);
  }
  .breadcrumb a{color:var(--text-3);}
  .breadcrumb a:hover{color:var(--primary);}
  .breadcrumb .sep{opacity:.55;}
  .breadcrumb .current{color:var(--text);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

  /* ---------- 文章头部 ---------- */
  .article-wrap{max-width:820px;margin:0 auto;}
  .article-head{padding:32px 0 0;}
  .article-title{
    font-size:clamp(24px,4vw,36px);
    line-height:1.3;font-weight:700;letter-spacing:-.2px;
    color:var(--text);max-width:30em;
  }
  .article-meta{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
    margin-top:18px;font-size:12.5px;color:var(--text-3);
  }
  .article-meta .dot{opacity:.45;}
  .article-cover{
    margin:26px 0 0;border-radius:var(--radius-card);overflow:hidden;
    border:1px solid var(--line);background:var(--bg-soft);aspect-ratio:16/9;
  }
  .article-cover img{width:100%;height:100%;object-fit:cover;}

  /* ---------- 正文 ---------- */
  .article-body{padding:34px 0 0;}
  .prose{font-size:16px;line-height:1.95;color:var(--text-2);word-break:break-word;}
  .prose > * + *{margin-top:1.25em;}
  .prose h2{
    position:relative;
    font-size:22px;line-height:1.45;font-weight:700;color:var(--text);
    margin-top:2em;padding-left:14px;
  }
  .prose h2::before{
    content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:2px;
    background:var(--primary);
  }
  .prose h3{font-size:18px;font-weight:650;color:var(--text);margin-top:1.7em;}
  .prose h4{font-size:16px;font-weight:600;color:var(--text);}
  .prose strong{color:var(--text);font-weight:650;}
  .prose a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
  .prose a:hover{color:var(--primary-deep);}
  .prose ul > li{position:relative;padding-left:18px;}
  .prose ul > li + li{margin-top:.5em;}
  .prose ul > li::before{
    content:"";position:absolute;left:2px;top:.78em;
    width:6px;height:6px;border-radius:1px;background:var(--accent);
  }
  .prose ol{list-style:decimal;padding-left:1.35em;}
  .prose ol > li + li{margin-top:.5em;}
  .prose ol > li::marker{color:var(--primary);font-weight:700;}
  .prose blockquote{
    background:var(--bg-soft);
    border-left:4px solid var(--accent);
    border-radius:0 var(--radius-img) var(--radius-img) 0;
    padding:16px 20px;color:var(--text-2);
  }
  .prose blockquote > * + *{margin-top:.75em;}
  .prose img{border-radius:var(--radius-img);margin-left:auto;margin-right:auto;}
  .prose figure{text-align:center;}
  .prose figcaption{font-size:12px;color:var(--text-3);margin-top:10px;line-height:1.6;}
  .prose table{width:100%;border-collapse:collapse;font-size:14px;overflow:hidden;border-radius:var(--radius-img);}
  .prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top;}
  .prose thead th{background:var(--surface);color:var(--text);font-weight:650;}
  .prose tbody tr:nth-child(even){background:rgba(255,255,255,.022);}
  .prose hr{border:none;border-top:1px solid var(--line);margin:2.2em 0;}
  .prose code{background:var(--surface);color:var(--accent);padding:2px 6px;border-radius:6px;font-size:.9em;}
  .prose pre{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-img);padding:16px;overflow-x:auto;}
  .prose pre code{background:none;padding:0;color:var(--text-2);}

  /* ---------- 文末工具条 ---------- */
  .article-foot{
    margin-top:38px;padding-top:22px;border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  }
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;}
  .foot-actions{display:flex;flex-wrap:wrap;gap:10px;}

  /* ---------- 空态 ---------- */
  .empty-state{
    text-align:center;padding:52px 20px;
    background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-card);
  }
  .empty-icon{
    width:56px;height:56px;margin:0 auto 16px;border-radius:16px;
    display:flex;align-items:center;justify-content:center;
    background:rgba(233,196,106,.10);color:var(--primary);border:1px solid var(--line-strong);
  }
  .empty-state h2{font-size:20px;font-weight:700;color:var(--text);}
  .empty-state p{margin-top:10px;font-size:14px;color:var(--text-2);max-width:36em;margin-left:auto;margin-right:auto;}
  .empty-state .btn{margin-top:22px;}

  /* ---------- 相关推荐 ---------- */
  .section{padding:56px 0 0;}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:22px;}
  .section-title{font-size:22px;font-weight:700;color:var(--text);letter-spacing:-.2px;}
  .section-title::after{content:"";display:block;width:34px;height:3px;border-radius:2px;background:var(--primary);margin-top:10px;}
  .section-desc{font-size:13.5px;color:var(--text-3);max-width:30em;}
  .related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
  .rel-card{
    display:flex;gap:14px;padding:14px;
    background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-card);
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  .rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
  .rel-thumb{flex:0 0 100px;width:100px;aspect-ratio:4/3;border-radius:var(--radius-img);overflow:hidden;background:var(--surface);}
  .rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
  .rel-card:hover .rel-thumb img{transform:scale(1.04);}
  .rel-body{min-width:0;}
  .rel-body h3{font-size:14.5px;font-weight:650;color:var(--text);line-height:1.45;margin-top:8px;}
  .rel-card:hover .rel-body h3{color:var(--primary);}
  .rel-body .rel-meta{font-size:12px;color:var(--text-3);margin-top:6px;}

  /* ---------- CTA ---------- */
  .cta-block{
    margin-top:56px;
    background:var(--surface);
    border:1px solid var(--line-strong);
    border-radius:20px;
    padding:38px 24px;
    box-shadow:var(--shadow);
    position:relative;overflow:hidden;
  }
  .cta-block::before{
    content:"";position:absolute;right:-120px;top:-120px;width:320px;height:320px;border-radius:50%;
    background:radial-gradient(circle,rgba(233,196,106,.16),transparent 70%);
    pointer-events:none;
  }
  .cta-inner{position:relative;max-width:640px;margin:0 auto;text-align:center;}
  .cta-inner h2{font-size:clamp(20px,2.6vw,26px);font-weight:700;color:var(--text);}
  .cta-inner p{margin-top:12px;font-size:14px;color:var(--text-2);}
  .cta-form{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;margin-top:24px;text-align:left;}
  .field{display:flex;flex-direction:column;gap:6px;}
  .field label{font-size:12px;color:var(--text-3);}
  .field input,.field select{
    height:44px;border-radius:var(--radius-btn);
    background:rgba(18,16,12,.85);
    border:1px solid var(--line);
    padding:0 14px;font-size:14px;color:var(--text);
    transition:border-color var(--ease),box-shadow var(--ease);
    width:100%;
  }
  .field input::placeholder{color:#6E6656;}
  .field input:focus,.field select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(233,196,106,.16);outline:none;}
  .cta-form .btn{height:44px;align-self:end;white-space:nowrap;}
  .form-note{margin-top:14px;font-size:12px;color:var(--text-3);}
  .form-msg{margin-top:12px;font-size:13px;color:var(--accent);min-height:18px;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:#0E0C09;border-top:1px solid var(--line);margin-top:64px;padding:48px 0 24px;}
  .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px;}
  .footer-title{font-size:13px;font-weight:600;color:var(--text);margin-bottom:14px;letter-spacing:.2px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{font-size:13px;color:var(--text-2);}
  .footer-links a:hover{color:var(--primary);}
  .footer-bottom{
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
    border-top:1px solid var(--line);margin-top:34px;padding-top:18px;
    font-size:12px;color:var(--text-3);
  }
  .card-text{font-size:13px;line-height:1.8;color:var(--text-2);}
  .tag-line{font-size:12px;color:var(--text-3);}

  /* ---------- 移动抽屉 ---------- */
  .mobile-drawer{position:fixed;inset:0;z-index:80;display:none;}
  .mobile-drawer.open{display:block;}
  .mobile-drawer-mask{position:absolute;inset:0;background:rgba(0,0,0,.6);}
  .mobile-drawer-panel{
    position:absolute;top:0;right:0;bottom:0;width:292px;max-width:86vw;
    background:var(--bg-soft);border-left:1px solid var(--line);
    padding:18px;display:flex;flex-direction:column;gap:4px;overflow-y:auto;
  }
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
  .drawer-title{font-size:13px;font-weight:600;color:var(--text-3);}
  .drawer-close{
    width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;
    border:1px solid var(--line);color:var(--text-2);font-size:20px;line-height:1;
  }
  .drawer-close:hover{color:var(--primary);border-color:var(--line-strong);}
  .drawer-link{
    display:flex;align-items:center;justify-content:space-between;
    padding:12px 12px;border-radius:10px;font-size:14px;color:var(--text-2);
  }
  .drawer-link:hover{background:rgba(233,196,106,.07);color:var(--text);}
  .drawer-link.active{color:var(--primary);background:rgba(233,196,106,.10);font-weight:600;}

  /* ---------- 响应式 ---------- */
  @media (min-width:640px){
    .container{padding-left:24px;padding-right:24px;}
  }
  @media (min-width:1024px){
    .container{padding-left:32px;padding-right:32px;}
  }
  @media (max-width:1023px){
    .nav-toggle{display:inline-flex;}
    .brand-cta{display:none;}
    .brand-sub{display:none;}
    .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:26px;}
  }
  @media (max-width:767px){
    .topline-text{display:none;}
    .topline-inner{justify-content:center;}
    .brand-name{font-size:13.5px;}
    .article-head{padding-top:24px;}
    .section{padding-top:44px;}
    .related-grid{grid-template-columns:1fr;}
    .cta-form{grid-template-columns:1fr;}
    .cta-form .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
    .site-footer{padding-top:36px;}
    .article-foot{flex-direction:column;align-items:flex-start;}
  }
  @media (max-width:519px){
    .brand-row{height:58px;}
    .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:12px;}
    .channel-scroll{gap:18px;}
    .channel-link{font-size:13.5px;}
    .footer-grid{grid-template-columns:1fr;}
    .rel-card{flex-direction:column;}
    .rel-thumb{flex:0 0 auto;width:100%;aspect-ratio:16/9;}
  }

/* roulang page: category2 */
:root{
  --bg:#12100C;
  --bg-soft:#1B1813;
  --surface:#241F18;
  --line:rgba(233,196,106,.14);
  --line-strong:rgba(233,196,106,.35);
  --primary:#E9C46A;
  --primary-deep:#C79A3A;
  --accent:#4FA88B;
  --accent-2:#8E6BD6;
  --text:#F3EFE6;
  --text-2:#B7AE9D;
  --text-3:#857C6C;
  --danger:#D9694F;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 14px 34px rgba(0,0,0,.45);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:15px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:1140px;margin:0 auto;padding:0 16px}
@media (min-width:640px){.container{padding:0 24px}}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(18,16,12,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brand-row{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:64px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary);color:#1B1813;
  font-weight:800;font-size:15px;letter-spacing:.06em;
  padding:6px 9px;border-radius:10px;line-height:1.1;
  box-shadow:0 4px 14px rgba(233,196,106,.25);
}
.brand-name{display:block;font-size:15px;font-weight:700;letter-spacing:.01em}
.brand-sub{display:block;font-size:11.5px;color:var(--text-3);line-height:1.4}
.brand-row-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;
  background:transparent;border:1px solid var(--line);
  color:var(--text-2);cursor:pointer;
  transition:all 180ms ease;
}
.icon-btn:hover{color:var(--primary);border-color:var(--line-strong)}
.nav-toggle{display:none}
.channel-row{border-top:1px solid var(--line);background:rgba(27,24,19,.72)}
.channel-scroll{
  display:flex;align-items:stretch;gap:2px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  min-height:48px;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-link{
  display:inline-flex;align-items:center;white-space:nowrap;
  padding:0 14px;font-size:14px;color:var(--text-2);
  border-bottom:2px solid transparent;
  transition:all 180ms ease;
}
.channel-link:hover{color:var(--text);background:rgba(233,196,106,.05)}
.channel-link.active{
  color:var(--text);font-weight:600;border-bottom-color:var(--primary);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;
  border:1px solid transparent;transition:all 180ms ease;
}
.btn-primary{
  background:var(--primary);color:#1B1813;
  box-shadow:0 0 0 1px rgba(233,196,106,.35),0 6px 22px rgba(233,196,106,.28);
}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(233,196,106,.5),0 10px 26px rgba(233,196,106,.32)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{height:38px;padding:0 14px;font-size:13px;border-radius:9px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  padding:18px 0 0;font-size:13px;color:var(--text-3);
  display:flex;flex-wrap:wrap;gap:6px;align-items:center;
}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.6}
.breadcrumb .current{color:var(--text-2)}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:44px 0 48px;
  background:
    radial-gradient(900px 420px at 82% 10%, rgba(142,107,214,.16), transparent 62%),
    radial-gradient(720px 380px at 8% 92%, rgba(233,196,106,.13), transparent 66%),
    linear-gradient(180deg,#171410 0%, #12100C 100%);
  border-bottom:1px solid var(--line);
}
.hero-inner{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:var(--accent);
  border:1px solid rgba(79,168,139,.4);border-radius:999px;
  padding:4px 12px;background:rgba(79,168,139,.08);
}
.hero-title{
  margin:16px 0 0;font-size:30px;line-height:1.24;font-weight:800;
  letter-spacing:.01em;
}
.hero-lead{margin:16px 0 0;font-size:15.5px;color:var(--text-2);max-width:36em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;margin-top:28px;
}
.stat{
  border:1px solid var(--line);border-radius:12px;
  background:rgba(36,31,24,.6);padding:12px 14px;
}
.stat-num{
  font-size:22px;font-weight:800;color:var(--primary);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-label{font-size:12px;color:var(--text-3);margin-top:2px}
.hero-figure{
  border:1px solid var(--line);border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow);background:var(--bg-soft);
}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ---------- section ---------- */
.section{padding:48px 0}
.section-soft{background:linear-gradient(180deg,rgba(27,24,19,.7),rgba(18,16,12,0))}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px}
.section-title{margin:0;font-size:23px;font-weight:800;line-height:1.3}
.section-title::before{
  content:"";display:inline-block;width:3px;height:18px;
  background:var(--primary);border-radius:2px;margin-right:10px;
  vertical-align:-2px;
}
.section-desc{margin:10px 0 0;color:var(--text-2);font-size:14.5px;max-width:44em}

/* ---------- world layout ---------- */
.world-layout{display:grid;grid-template-columns:1fr;gap:26px;align-items:start}
.toc{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--bg-soft);padding:16px;
}
.toc-title{
  font-size:12px;letter-spacing:.16em;color:var(--text-3);
  text-transform:uppercase;margin:0 0 10px;
}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;padding:9px 12px;border-radius:8px;
  border-left:2px solid transparent;
  font-size:14px;color:var(--text-2);transition:all 180ms ease;
}
.toc-list a:hover{background:rgba(233,196,106,.06);color:var(--text)}
.toc-list a.is-active{
  border-left-color:var(--primary);color:var(--primary);
  background:rgba(233,196,106,.08);font-weight:600;
}
.toc-note{
  margin-top:14px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);line-height:1.6;
}
.entry{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--bg-soft);padding:20px;margin-bottom:14px;
  transition:all 180ms ease;
}
.entry:hover{border-color:var(--line-strong);box-shadow:var(--shadow)}
.entry-title{margin:0 0 8px;font-size:17.5px;font-weight:700;line-height:1.4}
.entry-text{margin:0;color:var(--text-2);font-size:14.5px;line-height:1.8}
.entry-text + .entry-text{margin-top:8px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;padding:3px 10px;border-radius:999px;
  border:1px solid rgba(79,168,139,.4);
  background:rgba(79,168,139,.1);color:#8ED3B9;
}
.tag-gold{
  border-color:rgba(233,196,106,.45);
  background:rgba(233,196,106,.12);color:var(--primary);
}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:1fr;gap:18px}
.card{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--bg-soft);overflow:hidden;
  display:flex;flex-direction:column;
  transition:all 180ms ease;
}
.card:hover{border-color:var(--line-strong);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.card-media{overflow:hidden}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 180ms ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:16px 18px 18px}
.card-title{margin:8px 0 0;font-size:16.5px;font-weight:700;line-height:1.45}
.card-text{margin:8px 0 0;font-size:14px;color:var(--text-2);line-height:1.75}
.card-meta{margin-top:14px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-3)}

/* ---------- ladder ---------- */
.ladder{display:grid;gap:10px}
.ladder-row{
  display:grid;grid-template-columns:1fr;gap:6px;
  border:1px solid var(--line);border-radius:12px;
  background:var(--bg-soft);padding:14px 16px;
  transition:all 180ms ease;
}
.ladder-row:hover{background:rgba(233,196,106,.05);border-color:var(--line-strong)}
.ladder-name{font-weight:700;font-size:15.5px}
.ladder-desc{color:var(--text-2);font-size:13.5px;line-height:1.7}
.ladder-gate{
  font-size:12px;color:var(--primary);font-variant-numeric:tabular-nums;
  border:1px solid rgba(233,196,106,.35);border-radius:999px;
  padding:2px 10px;justify-self:start;
}
.kpi-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-bottom:22px}
.kpi{
  border:1px solid var(--line);border-radius:14px;background:var(--bg-soft);
  padding:16px 18px;
}
.kpi-num{font-size:26px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.15}
.kpi-label{font-size:13px;color:var(--text-2);margin-top:4px}

/* ---------- faq ---------- */
.faq{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--bg-soft);padding:6px 20px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 0;font-size:15.5px;font-weight:600;cursor:pointer;
  list-style:none;transition:color 180ms ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:18px;color:var(--primary);
  line-height:1;transition:transform 180ms ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-answer{padding:0 0 16px;color:var(--text-2);font-size:14.5px;line-height:1.85}

/* ---------- cta ---------- */
.cta-band{
  border:1px solid var(--line-strong);border-radius:20px;
  background:radial-gradient(600px 260px at 88% 0%, rgba(142,107,214,.14), transparent 70%), var(--surface);
  padding:26px 20px;box-shadow:var(--shadow);
}
.cta-grid{display:grid;grid-template-columns:1fr;gap:24px}
.cta-title{margin:0;font-size:22px;font-weight:800;line-height:1.35}
.cta-text{margin:10px 0 0;color:var(--text-2);font-size:14.5px;line-height:1.8}
.form-grid{display:grid;grid-template-columns:1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;color:var(--text-2)}
.field input,.field select{
  height:44px;width:100%;padding:0 12px;
  background:#17140F;border:1px solid var(--line);
  border-radius:10px;color:var(--text);font-size:14.5px;
  transition:all 180ms ease;
}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(233,196,106,.15);
}
.field input.is-invalid{border-color:var(--danger)}
.field-note{font-size:11.5px;color:var(--text-3)}
.form-tip{font-size:12px;color:var(--text-3);margin-top:10px;line-height:1.7}
.form-status{
  display:none;margin-top:12px;font-size:13px;color:var(--accent);
  border:1px solid rgba(79,168,139,.4);background:rgba(79,168,139,.1);
  border-radius:10px;padding:10px 12px;
}
.form-status.show{display:block}

/* ---------- cross links ---------- */
.cross-grid{display:grid;grid-template-columns:1fr;gap:14px}
.cross-link{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border:1px solid var(--line);border-radius:14px;background:var(--bg-soft);
  padding:16px 18px;transition:all 180ms ease;
}
.cross-link:hover{border-color:var(--line-strong);background:rgba(233,196,106,.05);transform:translateY(-2px)}
.cross-link strong{font-size:15px;font-weight:700;display:block}
.cross-link span{font-size:12.5px;color:var(--text-3)}
.cross-arrow{color:var(--primary);font-size:18px;transition:transform 180ms ease}
.cross-link:hover .cross-arrow{transform:translateX(3px)}
.tag-line{font-size:12.5px;color:var(--text-3);margin:0}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg);padding:40px 0 26px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:26px}
.footer-title{font-size:13px;font-weight:700;color:var(--text);margin-bottom:12px;letter-spacing:.04em}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{font-size:13.5px;color:var(--text-2);transition:color 180ms ease}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:26px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
  font-size:12px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (min-width:640px){
  .hero{padding:56px 0}
  .hero-title{font-size:36px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kpi-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .form-grid{grid-template-columns:1fr 1fr}
  .form-grid .field-full{grid-column:1 / -1}
  .cross-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{padding:32px 28px}
  .section{padding:56px 0}
}
@media (min-width:1024px){
  .hero-inner{grid-template-columns:1.05fr .95fr;gap:44px}
  .hero-title{font-size:42px}
  .world-layout{grid-template-columns:250px minmax(0,1fr);gap:28px}
  .toc{position:sticky;top:130px}
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .ladder-row{grid-template-columns:130px minmax(0,1fr) auto;align-items:center;gap:16px}
  .ladder-gate{justify-self:end}
  .cta-grid{grid-template-columns:1fr 1fr;gap:32px;align-items:start}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}
  .section{padding:64px 0}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .channel-row{display:none}
  .channel-row.open{display:block}
  .channel-scroll{flex-direction:column;gap:2px;padding:8px 0;min-height:0}
  .channel-link{padding:11px 14px;border-bottom:none;border-left:2px solid transparent;border-radius:0}
  .channel-link.active{border-bottom:none;border-left-color:var(--primary);background:rgba(233,196,106,.07)}
  .toc{position:static}
}
@media (max-width:520px){
  .hero-stats{grid-template-columns:1fr}
  .brand-sub{display:none}
  .brand-name{font-size:13.5px}
  .hero-actions .btn{width:100%}
  .section-title{font-size:20px}
}

/* roulang page: category3 */
:root{
    --bg:#12100C;
    --bg-soft:#1B1813;
    --surface:#241F18;
    --line:rgba(233,196,106,.14);
    --line-strong:rgba(233,196,106,.35);
    --primary:#E9C46A;
    --primary-deep:#C79A3A;
    --accent:#4FA88B;
    --accent-2:#8E6BD6;
    --text:#F3EFE6;
    --text-2:#B7AE9D;
    --text-3:#857C6C;
    --danger:#D9694F;
    --r-card:16px;
    --r-btn:10px;
    --r-img:12px;
    --shadow:0 8px 24px rgba(0,0,0,.35);
    --shadow-hover:0 14px 34px rgba(0,0,0,.45);
    --ease:180ms ease;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background-color:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:15px;
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
    background-image:
      radial-gradient(900px 480px at 12% -8%, rgba(233,196,106,.10), transparent 66%),
      radial-gradient(720px 400px at 96% 0%, rgba(142,107,214,.10), transparent 72%);
    background-repeat:no-repeat;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}

  .container{width:100%;max-width:1120px;margin:0 auto;padding:0 16px}
  @media (min-width:640px){.container{padding:0 24px}}
  @media (min-width:1024px){.container{padding:0 32px}}

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(27,24,19,.82);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow var(--ease);
  }
  .site-header.scrolled{box-shadow:0 6px 20px rgba(0,0,0,.4)}
  .brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding:10px 0}
  .brand{display:flex;align-items:center;gap:12px;min-width:0}
  .brand-mark{
    display:inline-flex;align-items:center;justify-content:center;flex:none;
    width:44px;height:44px;border-radius:12px;
    background:linear-gradient(135deg,var(--primary),var(--primary-deep));
    color:#241F18;font-weight:800;font-size:15px;letter-spacing:1px;
  }
  .brand-name{display:block;font-size:15px;font-weight:700;color:var(--text);line-height:1.35}
  .brand-sub{display:none;font-size:11px;color:var(--text-3);letter-spacing:.4px}
  @media (min-width:640px){.brand-sub{display:block}}
  .brand-row-actions{display:flex;align-items:center;gap:10px}
  .icon-btn{
    width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
    border-radius:10px;border:1px solid var(--line);background:transparent;
    color:var(--text-2);cursor:pointer;transition:color var(--ease),border-color var(--ease),background var(--ease);
  }
  .icon-btn:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(233,196,106,.06)}
  .nav-toggle{
    width:44px;height:44px;display:none;align-items:center;justify-content:center;
    border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--text);cursor:pointer;
    transition:border-color var(--ease),color var(--ease);
  }
  .nav-toggle:hover{border-color:var(--line-strong);color:var(--primary)}
  .channel-row{border-top:1px solid var(--line);background:rgba(18,16,12,.55)}
  .channel-scroll{display:flex;align-items:center;gap:26px;height:48px;overflow-x:auto;scrollbar-width:none}
  .channel-scroll::-webkit-scrollbar{display:none}
  .channel-link{
    position:relative;display:inline-flex;align-items:center;height:48px;
    font-size:14px;color:var(--text-2);white-space:nowrap;transition:color var(--ease);
  }
  .channel-link:hover{color:var(--text)}
  .channel-link.active{color:var(--text);font-weight:600}
  .channel-link.active::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--primary);
  }
  .nav-mask{
    position:fixed;inset:0;background:rgba(0,0,0,.6);
    opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:70;
  }
  .nav-mask.show{opacity:1;pointer-events:auto}

  /* ============ 按钮 / 徽章 / 标签 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 20px;border-radius:var(--r-btn);
    font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer;
    transition:transform var(--ease),background var(--ease),border-color var(--ease),color var(--ease),box-shadow var(--ease);
  }
  .btn-sm{height:38px;padding:0 14px;font-size:13px}
  .btn-primary{
    background:var(--primary);color:#221C10;
    box-shadow:0 0 0 1px rgba(233,196,106,.35),0 6px 22px rgba(233,196,106,.22);
  }
  .btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(233,196,106,.45),0 10px 26px rgba(233,196,106,.28)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
  .btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
  .btn-block{width:100%}

  .badge{
    display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
    border-radius:999px;font-size:12px;font-weight:600;border:1px solid var(--line);
    color:var(--text-2);white-space:nowrap;
  }
  .badge-jade{color:var(--accent);border-color:rgba(79,168,139,.45);background:rgba(79,168,139,.10)}
  .badge-gold{background:var(--primary);color:#221C10;border-color:transparent}
  .badge-violet{color:#B39CF0;border-color:rgba(142,107,214,.45);background:rgba(142,107,214,.12)}
  .badge-muted{color:var(--text-3);background:rgba(255,255,255,.03)}
  .tag-line{font-size:12px;color:var(--text-3);letter-spacing:.3px}

  /* ============ 页头 / 面包屑 / 胶囊导航 ============ */
  .crumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--text-3);padding:18px 0 0;
  }
  .crumb a{transition:color var(--ease)}
  .crumb a:hover{color:var(--primary)}
  .crumb .sep{color:rgba(255,255,255,.18)}
  .crumb .current{color:var(--text-2)}

  .page-nav{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
  .pill{
    display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
    font-size:13px;border:1px solid var(--line);color:var(--text-2);
    transition:border-color var(--ease),color var(--ease),background var(--ease);
  }
  .pill:hover{border-color:var(--primary);color:var(--primary)}
  .pill.is-current{background:var(--primary);color:#221C10;border-color:transparent;font-weight:700}

  /* ============ Hero ============ */
  .hero{position:relative;overflow:hidden;padding:30px 0 10px}
  .hero::before{
    content:"";position:absolute;left:-10%;right:-10%;top:-160px;height:520px;pointer-events:none;
    background:
      radial-gradient(560px 300px at 18% 34%, rgba(233,196,106,.16), transparent 70%),
      radial-gradient(500px 280px at 82% 8%, rgba(142,107,214,.14), transparent 72%);
    opacity:.9;
  }
  .hero-inner{position:relative;display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
  @media (min-width:1024px){.hero-inner{grid-template-columns:1.05fr .95fr;gap:44px}}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;
    border:1px solid rgba(79,168,139,.4);background:rgba(79,168,139,.10);
    color:var(--accent);font-size:12px;font-weight:600;letter-spacing:.4px;
  }
  .hero h1{
    margin:14px 0 0;font-size:28px;line-height:1.25;font-weight:800;letter-spacing:-.2px;
  }
  @media (min-width:640px){.hero h1{font-size:34px}}
  @media (min-width:1024px){.hero h1{font-size:42px;line-height:1.2}}
  .hero-lede{margin:14px 0 0;max-width:34em;font-size:15px;line-height:1.85;color:var(--text-2)}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
  .hero-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
  .hero-media{
    position:relative;border-radius:var(--r-card);overflow:hidden;
    border:1px solid var(--line);box-shadow:var(--shadow);
    aspect-ratio:16/11;background:var(--surface);
  }
  .hero-media img{width:100%;height:100%;object-fit:cover}
  .hero-media::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:linear-gradient(180deg,rgba(18,16,12,0) 40%,rgba(18,16,12,.72) 100%);
  }
  .hero-media-cap{
    position:absolute;left:16px;right:16px;bottom:14px;z-index:2;
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    font-size:12px;color:var(--text-2);
  }

  /* ============ 统计卡 ============ */
  .stats{display:grid;grid-template-columns:1fr;gap:14px;margin-top:26px}
  @media (min-width:640px){.stats{grid-template-columns:repeat(3,1fr)}}
  .stat{
    background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;
    padding:18px 20px;transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  }
  .stat:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow)}
  .stat-num{
    font-size:28px;font-weight:800;line-height:1.2;color:var(--primary);
    font-variant-numeric:tabular-nums;letter-spacing:-.4px;
  }
  .stat-num small{font-size:13px;font-weight:600;color:var(--text-2);margin-left:4px;letter-spacing:0}
  .stat-label{margin-top:4px;font-size:12.5px;color:var(--text-3)}

  /* ============ 区块通用 ============ */
  .section{padding:44px 0}
  @media (min-width:1024px){.section{padding:62px 0}}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:22px}
  .section-title{margin:0;font-size:22px;font-weight:800;letter-spacing:-.2px;line-height:1.3}
  @media (min-width:1024px){.section-title{font-size:27px}}
  .section-desc{margin:8px 0 0;color:var(--text-2);font-size:14.5px;line-height:1.8;max-width:46em}
  .divider{height:1px;background:var(--line);border:0;margin:0}

  /* ============ 时间轴 ============ */
  .timeline{position:relative;margin-top:6px;padding-left:26px}
  .timeline::before{content:"";position:absolute;left:7px;top:10px;bottom:10px;width:1px;background:var(--line)}
  @media (min-width:768px){.timeline{padding-left:34px}.timeline::before{left:9px}}
  .tl-item{position:relative;padding-bottom:16px}
  .tl-item::before{
    content:"";position:absolute;left:-25px;top:20px;width:15px;height:15px;border-radius:50%;
    background:var(--bg);border:2px solid var(--primary);box-shadow:0 0 0 4px rgba(233,196,106,.10);
  }
  @media (min-width:768px){.tl-item::before{left:-33px}}
  .tl-item.is-past::before{background:var(--primary);opacity:.6}
  .tl-item.is-off::before{border-color:var(--text-3);box-shadow:0 0 0 4px rgba(255,255,255,.04)}
  .tl-card{
    display:grid;grid-template-columns:1fr;gap:8px;
    background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;padding:16px 18px;
    transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  }
  @media (min-width:768px){
    .tl-card{grid-template-columns:132px 1fr auto;align-items:center;gap:18px}
  }
  .tl-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
  .tl-time{font-size:16px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.3}
  .tl-date{display:block;font-size:12px;color:var(--text-3);font-weight:500;margin-top:2px}
  .tl-title{margin:0;font-size:15.5px;font-weight:700;line-height:1.45}
  .tl-title span{color:var(--text-3);font-weight:500;font-size:13px;margin-right:6px;font-variant-numeric:tabular-nums}
  .tl-text{margin:4px 0 0;font-size:13.5px;line-height:1.75;color:var(--text-2)}
  .tl-side{display:flex;align-items:center;gap:10px;justify-content:flex-start}
  @media (min-width:768px){.tl-side{justify-content:flex-end}}
  .tl-item.is-off .tl-title{color:var(--text-2)}

  /* ============ 规则双列 ============ */
  .split{display:grid;grid-template-columns:1fr;gap:22px;align-items:start}
  @media (min-width:1024px){.split{grid-template-columns:.98fr 1.02fr;gap:36px;align-items:center}}
  .rule-list{display:grid;gap:12px;margin-top:20px}
  .rule{
    display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;
    background:var(--bg-soft);border:1px solid var(--line);border-left:4px solid var(--accent);
    border-radius:12px;padding:14px 16px;
    transition:border-color var(--ease),background var(--ease);
  }
  .rule:hover{background:#1F1B15;border-color:var(--line-strong);border-left-color:var(--primary)}
  .rule-idx{
    width:26px;height:26px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
    background:rgba(233,196,106,.12);color:var(--primary);font-size:12.5px;font-weight:800;
    font-variant-numeric:tabular-nums;flex:none;margin-top:2px;
  }
  .rule-title{margin:0;font-size:14.5px;font-weight:700}
  .rule-text{margin:4px 0 0;font-size:13.5px;line-height:1.75;color:var(--text-2)}
  .figure{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--surface)}
  .figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
  .figure figcaption{padding:12px 16px;font-size:12.5px;color:var(--text-3);border-top:1px solid var(--line);background:var(--bg-soft)}

  /* ============ CTA 表单 ============ */
  .cta-block{
    background:linear-gradient(180deg,rgba(36,31,24,.96),rgba(27,24,19,.96));
    border:1px solid var(--line-strong);border-radius:18px;padding:28px 20px;
    box-shadow:var(--shadow);
  }
  @media (min-width:768px){.cta-block{padding:36px 32px}}
  .cta-grid{display:grid;grid-template-columns:1fr;gap:26px}
  @media (min-width:1024px){.cta-grid{grid-template-columns:1fr 1fr;gap:40px;align-items:start}}
  .cta-block h2{margin:0;font-size:23px;font-weight:800;line-height:1.32;letter-spacing:-.2px}
  @media (min-width:1024px){.cta-block h2{font-size:27px}}
  .cta-block p.lead{margin:12px 0 0;font-size:14.5px;line-height:1.85;color:var(--text-2)}
  .cta-points{display:grid;gap:8px;margin-top:18px}
  .cta-points li{list-style:none;display:flex;align-items:flex-start;gap:8px;font-size:13.5px;color:var(--text-2)}
  .cta-points li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--accent);margin-top:9px;flex:none}

  .form-grid{display:grid;grid-template-columns:1fr;gap:14px}
  @media (min-width:520px){.form-grid{grid-template-columns:1fr 1fr}}
  .field{display:flex;flex-direction:column;gap:6px}
  .field-full{grid-column:1 / -1}
  .field label{font-size:13px;font-weight:600;color:var(--text-2)}
  .field input,.field select{
    width:100%;height:46px;padding:0 14px;border-radius:var(--r-btn);
    background:#171410;border:1px solid var(--line);color:var(--text);font-size:14px;
    transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
  }
  .field input::placeholder{color:#6C6455}
  .field input:hover,.field select:hover{border-color:rgba(233,196,106,.28)}
  .field input:focus,.field select:focus{
    outline:none;border-color:var(--primary);background:#1B1813;
    box-shadow:0 0 0 3px rgba(233,196,106,.14);
  }
  .field .hint{font-size:12px;color:var(--text-3)}
  .form-note{margin:12px 0 0;font-size:12px;line-height:1.7;color:var(--text-3)}

  /* ============ FAQ ============ */
  .faq-wrap{display:grid;grid-template-columns:1fr;gap:22px}
  @media (min-width:1024px){.faq-wrap{grid-template-columns:1.55fr .95fr;gap:34px;align-items:start}}
  .faq{border-top:1px solid var(--line)}
  .faq details{border-bottom:1px solid var(--line)}
  .faq summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:17px 2px;font-size:15px;font-weight:600;line-height:1.55;
    transition:color var(--ease),background var(--ease);
  }
  .faq summary::-webkit-details-marker{display:none}
  .faq summary:hover{color:var(--primary)}
  .faq summary .plus{
    flex:none;width:22px;height:22px;border-radius:6px;border:1px solid var(--line);
    display:inline-flex;align-items:center;justify-content:center;color:var(--primary);
    font-size:15px;line-height:1;transition:transform var(--ease),border-color var(--ease);
  }
  .faq details[open] summary .plus{transform:rotate(45deg);border-color:var(--line-strong)}
  .faq .answer{padding:0 2px 18px;font-size:14px;line-height:1.85;color:var(--text-2);max-width:50em}
  .aside-card{
    background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-card);
    padding:20px;position:sticky;top:132px;
  }
  @media (max-width:1023px){.aside-card{position:static}}
  .aside-card h3{margin:0;font-size:17px;font-weight:800}
  .aside-card p{margin:10px 0 0;font-size:13.5px;line-height:1.8;color:var(--text-2)}
  .aside-list{display:grid;gap:10px;margin:16px 0 0;padding:0}
  .aside-list li{
    list-style:none;display:flex;align-items:center;justify-content:space-between;gap:10px;
    font-size:13.5px;color:var(--text-2);border-bottom:1px dashed var(--line);padding-bottom:10px;
  }
  .aside-list li:last-child{border-bottom:0;padding-bottom:0}
  .aside-list strong{color:var(--primary);font-variant-numeric:tabular-nums;font-weight:700}

  /* ============ 跨频道推荐 ============ */
  .rec-grid{display:grid;grid-template-columns:1fr;gap:14px}
  @media (min-width:640px){.rec-grid{grid-template-columns:repeat(3,1fr)}}
  .rec-card{
    display:block;background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;padding:18px;
    transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  }
  .rec-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
  .rec-card h3{margin:10px 0 0;font-size:15.5px;font-weight:700}
  .rec-card p{margin:6px 0 0;font-size:13.5px;line-height:1.75;color:var(--text-2)}
  .rec-arrow{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13px;color:var(--primary);font-weight:600}
  .rec-card:hover .rec-arrow span{transform:translateX(3px)}
  .rec-arrow span{transition:transform var(--ease)}

  /* ============ 页脚 ============ */
  .site-footer{border-top:1px solid var(--line);background:#100E0A;padding:42px 0 22px;margin-top:24px}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:26px}
  @media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
  .footer-title{font-size:13px;font-weight:700;color:var(--text);margin-bottom:10px;letter-spacing:.3px}
  .footer-links{display:flex;flex-direction:column;gap:8px}
  .footer-links a{font-size:14px;color:var(--text-2);transition:color var(--ease)}
  .footer-links a:hover{color:var(--primary)}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
    border-top:1px solid var(--line);margin-top:28px;padding-top:16px;
    font-size:12px;color:var(--text-3);line-height:1.7;
  }
  .card-text{font-size:13.5px;line-height:1.8;color:var(--text-2);margin:0}

  /* ============ 移动端抽屉 ============ */
  @media (max-width:1023px){
    .nav-toggle{display:inline-flex}
    .channel-row{
      position:fixed;top:0;right:0;height:100vh;width:min(84vw,300px);
      background:var(--bg-soft);border-left:1px solid var(--line);border-top:0;
      transform:translateX(102%);transition:transform .22s ease;z-index:80;
      padding:76px 18px 24px;overflow-y:auto;
    }
    .channel-row.open{transform:translateX(0)}
    .channel-scroll{flex-direction:column;align-items:stretch;height:auto;gap:2px;overflow:visible}
    .channel-link{height:48px;padding:0 14px;border-radius:10px;font-size:15px}
    .channel-link:hover{background:rgba(233,196,106,.06)}
    .channel-link.active{background:rgba(233,196,106,.12)}
    .channel-link.active::after{display:none}
    .channel-link.active::before{
      content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--primary);
    }
  }
  @media (min-width:1024px){
    .nav-toggle{display:none}
    .nav-mask{display:none}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none!important;animation:none!important}
    html{scroll-behavior:auto}
  }

/* roulang page: category4 */
:root{
    --bg:#12100C;
    --bg-soft:#1B1813;
    --surface:#241F18;
    --line:rgba(233,196,106,.14);
    --line-strong:rgba(233,196,106,.35);
    --primary:#E9C46A;
    --primary-deep:#C79A3A;
    --accent:#4FA88B;
    --accent-2:#8E6BD6;
    --text:#F3EFE6;
    --text-2:#B7AE9D;
    --text-3:#857C6C;
    --danger:#D9694F;
    --radius-card:16px;
    --radius-btn:10px;
    --radius-img:12px;
    --shadow:0 8px 24px rgba(0,0,0,.35);
    --shadow-lg:0 14px 34px rgba(0,0,0,.45);
    --container:1120px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:15px;
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;}
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color 180ms ease,border-color 180ms ease,background-color 180ms ease;}
  button{font-family:inherit;}
  input,select{font-family:inherit;}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
  .num{font-variant-numeric:tabular-nums;}
  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 16px;}
  @media (min-width:640px){ .container{padding:0 24px;} }
  @media (min-width:1024px){ .container{padding:0 32px;} }

  /* ---------- 顶部公示条 ---------- */
  .topbar{background:var(--primary-deep);color:#1A1509;font-size:13px;}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;height:40px;}
  .topbar-text{display:none;font-weight:600;letter-spacing:.2px;}
  @media (min-width:640px){ .topbar-text{display:inline;} }
  .topbar-right{display:flex;align-items:center;gap:10px;margin-left:auto;}
  .countdown{display:flex;align-items:center;gap:2px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.5px;}
  .topbar-link{font-size:12px;font-weight:600;padding:3px 10px;border:1px solid rgba(26,21,9,.45);border-radius:999px;color:#1A1509;white-space:nowrap;}
  .topbar-link:hover{background:rgba(26,21,9,.12);}

  /* ---------- Header ---------- */
  .site-header{position:sticky;top:0;z-index:50;background:rgba(27,24,19,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow 180ms ease;}
  .site-header.scrolled{box-shadow:0 6px 20px rgba(0,0,0,.4);}
  .brand-row{display:flex;align-items:center;justify-content:space-between;gap:12px;height:64px;}
  .brand{display:flex;align-items:center;gap:10px;min-width:0;}
  .brand-mark{
    display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:40px;flex:0 0 40px;border-radius:11px;
    background:linear-gradient(135deg,var(--primary),var(--primary-deep));
    color:#1A1509;font-weight:800;font-size:13px;letter-spacing:1px;
    box-shadow:0 4px 14px rgba(233,196,106,.25);
  }
  .brand-name{display:block;font-size:15px;font-weight:700;line-height:1.25;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .brand-sub{display:none;font-size:11px;color:var(--text-3);margin-top:2px;white-space:nowrap;}
  @media (min-width:768px){ .brand-sub{display:block;} }
  .brand-row-actions{display:flex;align-items:center;gap:8px;}
  .icon-btn{
    display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:40px;border-radius:10px;
    background:transparent;border:1px solid var(--line);color:var(--text-2);
    cursor:pointer;transition:all 180ms ease;
  }
  .icon-btn:hover{border-color:var(--primary);color:var(--primary);}
  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:10px;
    background:transparent;border:1px solid var(--line);color:var(--text);
    cursor:pointer;transition:all 180ms ease;
  }
  .nav-toggle:hover{border-color:var(--primary);color:var(--primary);}
  @media (min-width:1024px){ .nav-toggle{display:none;} }

  /* ---------- 频道行 ---------- */
  .channel-row{border-top:1px solid var(--line);background:rgba(18,16,12,.55);}
  .channel-scroll{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;}
  .channel-scroll::-webkit-scrollbar{display:none;}
  .channel-link{position:relative;flex:0 0 auto;padding:12px 14px;font-size:14px;color:var(--text-2);white-space:nowrap;}
  .channel-link:hover{color:var(--text);}
  .channel-link.active{color:var(--text);font-weight:600;}
  .channel-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:7px;height:2px;border-radius:2px;background:var(--primary);}
  @media (max-width:1023px){ .channel-row{display:none;} }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 20px;border-radius:var(--radius-btn);
    font-size:14px;font-weight:600;border:1px solid transparent;
    cursor:pointer;transition:all 180ms ease;white-space:nowrap;
  }
  .btn-sm{height:36px;padding:0 14px;font-size:13px;}
  .btn-primary{
    background:var(--primary);color:#1A1509;
    box-shadow:0 0 0 1px rgba(233,196,106,.35),0 6px 22px rgba(233,196,106,.22);
  }
  .btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(233,196,106,.45),0 10px 26px rgba(233,196,106,.28);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
  .btn-ghost:hover{border-color:var(--primary);color:var(--primary);}
  .btn-block{width:100%;}
  @media (min-width:768px){ .btn-block-md{width:auto;} }

  /* ---------- 通用版式 ---------- */
  .page-main{padding-bottom:8px;}
  .section{padding:40px 0;}
  @media (min-width:1024px){ .section{padding:56px 0;} }
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:22px;}
  .eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--accent);letter-spacing:.6px;}
  .eyebrow::before{content:"";width:16px;height:1px;background:var(--accent);}
  h1{font-size:clamp(24px,4.2vw,40px);line-height:1.22;font-weight:800;letter-spacing:-.2px;}
  h2{font-size:clamp(20px,2.6vw,27px);line-height:1.3;font-weight:700;}
  h3{font-size:17px;line-height:1.45;font-weight:700;}
  .lead{color:var(--text-2);font-size:15px;line-height:1.8;}
  .muted{color:var(--text-3);font-size:12px;}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:12px;color:var(--text-3);padding:18px 0 0;}
  .breadcrumb a{color:var(--text-3);}
  .breadcrumb a:hover{color:var(--primary);}
  .breadcrumb .sep{color:var(--text-3);opacity:.6;}
  .breadcrumb .current{color:var(--text);}

  /* ---------- Hero ---------- */
  .hero{position:relative;overflow:hidden;padding:26px 0 34px;}
  .hero::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:
      radial-gradient(620px 320px at 12% 6%,rgba(233,196,106,.16),transparent 70%),
      radial-gradient(520px 300px at 88% 18%,rgba(142,107,214,.13),transparent 72%);
  }
  .hero-grid{position:relative;display:grid;gap:32px;align-items:center;}
  @media (min-width:1024px){ .hero-grid{grid-template-columns:1.05fr .95fr;gap:48px;} }
  .hero-title{margin-top:14px;}
  .hero-title .accent{color:var(--primary);}
  .hero-lead{margin-top:14px;max-width:34em;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
  .hero-media{position:relative;}
  .hero-media img{
    width:100%;aspect-ratio:16/10;object-fit:cover;
    border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow-lg);
  }
  .hero-media figcaption{
    position:absolute;left:12px;bottom:12px;right:12px;
    padding:8px 12px;border-radius:10px;font-size:12px;color:var(--text-2);
    background:rgba(18,16,12,.78);border:1px solid var(--line);
    backdrop-filter:blur(6px);
  }

  /* ---------- 频道胶囊 ---------- */
  .chip-group{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;}
  .chip{
    display:inline-flex;align-items:center;height:34px;padding:0 15px;
    border-radius:999px;border:1px solid var(--line);color:var(--text-2);
    font-size:13px;font-weight:500;transition:all 180ms ease;
  }
  .chip:hover{border-color:var(--line-strong);color:var(--text);}
  .chip.is-active{background:var(--primary);border-color:var(--primary);color:#1A1509;font-weight:700;}

  /* ---------- KPI ---------- */
  .kpi-grid{display:grid;gap:14px;grid-template-columns:1fr;margin-top:28px;}
  @media (min-width:560px){ .kpi-grid{grid-template-columns:repeat(3,1fr);} }
  .kpi{
    background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:18px;transition:border-color 180ms ease,transform 180ms ease,box-shadow 180ms ease;
  }
  .kpi:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow);}
  .kpi-num{font-size:26px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2;}
  .kpi-label{font-size:13px;color:var(--text);font-weight:600;margin-top:4px;}
  .kpi-note{font-size:12px;color:var(--text-3);margin-top:2px;}

  /* ---------- 分栏 ---------- */
  .split{display:grid;gap:22px;align-items:start;}
  @media (min-width:1024px){ .split{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:26px;} }

  /* ---------- 规则条款 ---------- */
  .rule-group{
    background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:20px;margin-bottom:16px;transition:border-color 180ms ease,box-shadow 180ms ease;
  }
  .rule-group:hover{border-color:var(--line-strong);box-shadow:var(--shadow);}
  .rule-group:last-child{margin-bottom:0;}
  .rule-group h3{display:flex;align-items:center;gap:10px;margin-bottom:6px;}
  .rule-group h3::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--accent);flex:0 0 4px;}
  .rule-tag{
    display:inline-flex;align-items:center;height:22px;padding:0 10px;margin-left:auto;
    border-radius:999px;border:1px solid var(--line);font-size:11px;font-weight:600;color:var(--text-3);
  }
  .rule-list{list-style:none;margin:0;padding:0;counter-reset:rule;}
  .rule-list li{
    position:relative;padding-left:36px;margin-top:14px;
    font-size:14.5px;line-height:1.8;color:var(--text-2);
  }
  .rule-list li::before{
    counter-increment:rule;content:counter(rule,decimal-leading-zero);
    position:absolute;left:0;top:2px;
    width:26px;height:26px;display:flex;align-items:center;justify-content:center;
    border-radius:8px;border:1px solid var(--line);background:rgba(233,196,106,.1);
    color:var(--primary);font-size:11px;font-weight:800;font-variant-numeric:tabular-nums;
  }
  .rule-list strong{color:var(--text);font-weight:600;}

  /* ---------- 粘性信息卡 ---------- */
  .aside-card{
    position:sticky;top:132px;
    background:var(--surface);border:1px solid var(--line-strong);border-radius:18px;
    padding:22px;box-shadow:var(--shadow);
  }
  .aside-card + .aside-card{margin-top:16px;}
  .aside-title{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:15px;font-weight:700;margin-bottom:14px;}
  .badge-soft{
    display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 10px;
    border-radius:999px;border:1px solid rgba(79,168,139,.45);color:var(--accent);
    font-size:11px;font-weight:600;
  }
  .badge-gold{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
    background:var(--primary);color:#1A1509;font-size:11px;font-weight:700;
  }
  .aside-row{display:flex;align-items:baseline;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:13px;color:var(--text-2);}
  .aside-row:last-child{border-bottom:0;}
  .aside-row b{color:var(--text);font-weight:700;font-variant-numeric:tabular-nums;}
  .progress{height:8px;border-radius:999px;background:rgba(233,196,106,.12);overflow:hidden;margin:10px 0 6px;}
  .progress span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--primary-deep));}
  .aside-actions{display:grid;gap:10px;margin-top:16px;}
  .aside-foot{font-size:11.5px;color:var(--text-3);margin-top:12px;line-height:1.7;}

  /* ---------- FAQ ---------- */
  .faq-list{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:14px;
    padding:16px 0;cursor:pointer;list-style:none;font-size:15px;font-weight:600;color:var(--text);
    transition:color 180ms ease;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--primary);}
  .faq-icon{
    flex:0 0 22px;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;
    border-radius:6px;border:1px solid var(--line);color:var(--primary);font-size:14px;line-height:1;
    transition:transform 180ms ease,border-color 180ms ease;
  }
  .faq-item[open] .faq-icon{transform:rotate(45deg);border-color:var(--primary);}
  .faq-answer{padding:0 34px 18px 0;color:var(--text-2);font-size:14px;line-height:1.85;}

  /* ---------- CTA / 表单 ---------- */
  .join-card{
    position:relative;overflow:hidden;
    background:var(--surface);border:1px solid var(--line-strong);border-radius:20px;
    padding:26px;box-shadow:var(--shadow-lg);
  }
  @media (min-width:768px){ .join-card{padding:34px;} }
  .join-card::before{
    content:"";position:absolute;right:-120px;top:-120px;width:320px;height:320px;border-radius:50%;
    background:radial-gradient(circle,rgba(233,196,106,.16),transparent 70%);pointer-events:none;
  }
  .join-grid{position:relative;display:grid;gap:26px;}
  @media (min-width:1024px){ .join-grid{grid-template-columns:1fr 1.1fr;gap:36px;align-items:center;} }
  .join-points{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:10px;}
  .join-points li{display:flex;gap:9px;font-size:14px;color:var(--text-2);line-height:1.7;}
  .join-points svg{flex:0 0 16px;margin-top:4px;color:var(--accent);}
  .form-grid{display:grid;gap:14px;}
  @media (min-width:560px){ .form-grid{grid-template-columns:1fr 1fr;} .form-grid .span-2{grid-column:1 / -1;} }
  .field{display:block;}
  .field-label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px;}
  .field-input{
    width:100%;height:44px;padding:0 12px;border-radius:10px;
    background:var(--bg);border:1px solid var(--line);color:var(--text);
    font-size:14px;transition:border-color 180ms ease,box-shadow 180ms ease;
  }
  .field-input::placeholder{color:var(--text-3);}
  .field-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(233,196,106,.16);}
  .field-hint{font-size:11.5px;color:var(--text-3);margin-top:6px;}
  .form-note{font-size:11.5px;color:var(--text-3);line-height:1.7;margin-top:12px;}
  .form-msg{
    display:none;margin-top:12px;padding:10px 12px;border-radius:10px;font-size:13px;
    background:rgba(79,168,139,.12);border:1px solid rgba(79,168,139,.4);color:#9AD9C4;
  }
  .form-msg.show{display:block;}

  /* ---------- 跨频道推荐 ---------- */
  .cross-grid{display:grid;gap:14px;grid-template-columns:1fr;}
  @media (min-width:640px){ .cross-grid{grid-template-columns:repeat(3,1fr);} }
  .cross-card{
    display:flex;gap:12px;align-items:center;
    background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:12px;transition:border-color 180ms ease,transform 180ms ease,box-shadow 180ms ease;
  }
  .cross-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow);}
  .cross-card img{width:78px;height:60px;flex:0 0 78px;object-fit:cover;border-radius:10px;border:1px solid var(--line);}
  .cross-card h3{font-size:14px;margin-bottom:2px;}
  .cross-card p{font-size:12px;color:var(--text-3);line-height:1.6;}

  /* ---------- Footer ---------- */
  .site-footer{background:var(--bg);border-top:1px solid var(--line);padding:44px 0 22px;margin-top:40px;}
  .footer-grid{display:grid;gap:26px;grid-template-columns:1fr 1fr;}
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px;} }
  .footer-title{font-size:13px;font-weight:700;color:var(--text);margin-bottom:12px;letter-spacing:.4px;}
  .footer-links{display:flex;flex-direction:column;gap:9px;}
  .footer-links a{font-size:13.5px;color:var(--text-2);}
  .footer-links a:hover{color:var(--primary);}
  .card-text{color:var(--text-2);font-size:13.5px;line-height:1.8;}
  .tag-line{font-size:12px;color:var(--text-3);}
  .footer-bottom{
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;
    border-top:1px solid var(--line);margin-top:30px;padding-top:16px;
    font-size:12px;color:var(--text-3);
  }

  /* ---------- 移动端抽屉 ---------- */
  .drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;pointer-events:none;transition:opacity 220ms ease;z-index:70;}
  .drawer-mask.is-open{opacity:1;pointer-events:auto;}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
    background:var(--bg-soft);border-left:1px solid var(--line);
    transform:translateX(100%);transition:transform 240ms ease;z-index:80;
    padding:18px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:10px;}
  .drawer-nav{display:flex;flex-direction:column;}
  .drawer-nav a{padding:13px 4px;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line);}
  .drawer-nav a:hover{color:var(--text);}
  .drawer-nav a.active{color:var(--primary);font-weight:700;}