/* roulang page: index */
:root{
  --brand:#FF6A2A;
  --brand-deep:#E4551A;
  --brand-soft:#FFF1E9;
  --jade:#0F766E;
  --jade-soft:#E6F2F0;
  --ink:#111315;
  --paper:#F7F4EF;
  --line:#E6DFD5;
  --text:#181A1B;
  --muted:#6B6862;
  --radius-sm:6px;
  --radius:12px;
  --radius-lg:18px;
  --shadow:0 16px 40px rgba(17,19,21,.08);
  --shadow-soft:0 6px 18px rgba(17,19,21,.05);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.01em;font-weight:800}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

/* 左侧竖向导航 */
.side-link{
  position:relative;
  display:block;
  padding:11px 14px 11px 22px;
  border-radius:var(--radius-sm);
  font-size:15px;
  color:rgba(255,255,255,.72);
  transition:background .2s ease,color .2s ease;
}
.side-link::before{
  content:"";
  position:absolute;
  left:8px;top:50%;
  width:3px;height:0;
  background:var(--brand);
  border-radius:2px;
  transform:translateY(-50%);
  transition:height .22s ease;
}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff}
.side-link.active{background:rgba(255,106,42,.12);color:#fff;font-weight:600}
.side-link.active::before{height:22px}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:8px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 10px 24px rgba(228,85,26,.28)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px)}
.btn-on-dark{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}
.btn-on-dark:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn-text{padding:0;border:0;background:none;color:var(--brand-deep);font-weight:600;text-decoration:underline;text-underline-offset:5px}
.btn-text:hover{color:var(--jade)}
.btn:focus-visible,.side-link:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--jade);
  outline-offset:2px;
}

/* 标签与徽章 */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border-radius:5px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  background:var(--jade-soft);
  color:var(--jade);
}
.badge-brand{background:var(--brand-soft);color:var(--brand-deep)}
.badge-dark{background:rgba(255,255,255,.1);color:#fff}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--muted)}

/* 卡片 */
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand)}
.card-img{overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;aspect-ratio:16/9;background:linear-gradient(135deg,#2a2d31,#111315)}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-img img{transform:scale(1.04)}

/* 编号条目 */
.num-item{border-top:1px solid var(--line);padding:28px 0}
.num-item .num{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:clamp(2rem,3.4vw,3.1rem);
  font-weight:800;
  line-height:1;
  color:var(--brand);
  letter-spacing:-.04em;
}

/* 时间线 */
.tl{position:relative;padding-left:26px}
.tl::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:1px;background:var(--line)}
.tl-item{position:relative;padding:0 0 30px}
.tl-item::before{
  content:"";
  position:absolute;left:-25px;top:9px;
  width:11px;height:11px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(255,106,42,.14);
}
.tl-item.done::before{background:var(--jade);box-shadow:0 0 0 4px rgba(15,118,110,.14)}
.tl-item.wait::before{background:#fff;border:2px solid var(--brand);width:11px;height:11px}
.tl-time{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;font-weight:600;color:var(--ink);letter-spacing:.01em;
}

/* 票种 */
.tier{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.tier:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.tier.featured{border:2px solid var(--brand);box-shadow:var(--shadow);position:relative}
.tier .price{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:clamp(2.1rem,3.6vw,2.9rem);
  font-weight:800;line-height:1;color:var(--ink);letter-spacing:-.04em;
}
.tier.featured .price{color:var(--brand-deep)}
.tier li{display:flex;gap:10px;padding:9px 0;font-size:14.5px;color:var(--muted);border-bottom:1px dashed var(--line)}
.tier li:last-child{border-bottom:0}
.tick{flex:0 0 18px;height:18px;margin-top:4px;color:var(--jade)}

/* 表单 */
.field{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--line);border-radius:8px;background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
textarea.field{height:auto;padding:12px 14px;resize:vertical}
.field:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,42,.14);outline:none}
.field-label{display:block;font-size:13.5px;font-weight:600;color:var(--muted);margin-bottom:7px}

/* 文章列表 */
.post-card{display:grid;grid-template-columns:180px 1fr;gap:22px;align-items:center;padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand)}
.post-card:hover h3{color:var(--brand)}
.post-thumb{overflow:hidden;border-radius:10px;aspect-ratio:16/10;background:linear-gradient(135deg,#2a2d31,#111315)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}

/* FAQ */
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0;cursor:pointer;font-size:17px;font-weight:700;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{flex:0 0 26px;width:26px;height:26px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:50%;color:var(--brand);font-size:16px;line-height:1;transition:transform .25s ease,border-color .25s ease}
.faq-item[open] .faq-icon{transform:rotate(45deg);border-color:var(--brand)}
.faq-item[open] summary{color:var(--brand-deep)}

/* 其它 */
.section-title-tag{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;letter-spacing:.24em;color:var(--brand);font-weight:700}
.brand-strip{background-image:linear-gradient(rgba(17,19,21,.88),rgba(17,19,21,.92)),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center}
.divider{height:1px;background:var(--line);border:0;margin:0}
.reveal{animation:rise .7s ease both}
.reveal-2{animation:rise .7s .12s ease both}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@media (max-width:1023px){
  .post-card{grid-template-columns:1fr}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
    --brand:#FF6A2A;
    --brand-dark:#E2551A;
    --brand-soft:#FFF1E9;
    --jade:#0F766E;
    --jade-soft:#E6F3F1;
    --ink:#111315;
    --paper:#F7F4EF;
    --line:#E6DFD5;
    --text:#181A1B;
    --muted:#6B6862;
    --card:#FFFFFF;
    --radius-sm:6px;
    --radius:10px;
    --radius-lg:14px;
    --shadow:0 16px 40px rgba(17,19,21,.08);
    --shadow-soft:0 8px 24px rgba(17,19,21,.06);
    --rail-w:256px;
    --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
  h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em}
  p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  ::selection{background:var(--brand);color:#fff}

  /* ============ 左侧竖向导航 ============ */
  .rail{
    position:fixed;
    inset:0 auto 0 0;
    width:var(--rail-w);
    background:var(--ink);
    color:rgba(255,255,255,.72);
    padding:32px 22px 28px;
    display:flex;
    flex-direction:column;
    gap:26px;
    overflow-y:auto;
    z-index:50;
    border-right:1px solid rgba(255,255,255,.06);
  }
  .rail-eyebrow{
    font-size:11px;
    letter-spacing:.4em;
    font-weight:700;
    color:var(--brand);
    text-transform:uppercase;
  }
  .rail-logo{
    display:block;
    margin-top:14px;
    font-size:20px;
    font-weight:800;
    line-height:1.32;
    color:#fff;
    letter-spacing:.01em;
  }
  .rail-logo:hover{color:var(--brand)}
  .rail-divider{height:1px;background:rgba(255,255,255,.1);margin:22px 0 18px}
  .side-link{
    position:relative;
    display:block;
    padding:11px 12px 11px 18px;
    border-radius:8px;
    font-size:15px;
    color:rgba(255,255,255,.66);
    transition:color .22s ease,background .22s ease;
  }
  .side-link::before{
    content:"";
    position:absolute;
    left:0;
    top:50%;
    width:3px;
    height:0;
    border-radius:3px;
    background:var(--brand);
    transform:translateY(-50%);
    transition:height .24s ease;
  }
  .side-link:hover{color:#fff;background:rgba(255,255,255,.06)}
  .side-link:hover::before{height:18px}
  .side-link.active{color:#fff;background:rgba(255,106,42,.14);font-weight:600}
  .side-link.active::before{height:20px}
  .rail-cta{
    display:block;
    margin-top:6px;
    padding:13px 16px;
    text-align:center;
    border-radius:8px;
    background:var(--brand);
    color:#fff;
    font-weight:700;
    font-size:15px;
    transition:background .22s ease,transform .22s ease;
  }
  .rail-cta:hover{background:var(--brand-dark);transform:translateY(-1px)}
  .rail-foot{
    margin-top:auto;
    padding-top:22px;
    border-top:1px solid rgba(255,255,255,.1);
    font-size:12.5px;
    line-height:2;
    color:rgba(255,255,255,.42);
  }
  .rail-foot a:hover{color:var(--brand)}

  /* ============ 移动端导航 ============ */
  .mobile-bar{
    position:fixed;
    inset:0 0 auto 0;
    height:64px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:0 18px;
    background:rgba(17,19,21,.96);
    backdrop-filter:blur(8px);
    color:#fff;
    z-index:60;
    border-bottom:1px solid rgba(255,255,255,.08);
  }
  .mobile-logo{font-size:15px;font-weight:800;letter-spacing:.01em;color:#fff}
  .burger{
    width:42px;height:42px;
    display:grid;place-items:center;
    border-radius:8px;
    border:1px solid rgba(255,255,255,.18);
    transition:background .2s ease;
  }
  .burger:hover{background:rgba(255,255,255,.08)}
  .burger span{
    display:block;width:18px;height:2px;background:#fff;border-radius:2px;
    box-shadow:0 -6px 0 #fff,0 6px 0 #fff;
  }
  .drawer{
    position:fixed;
    inset:64px 0 0 0;
    background:var(--ink);
    padding:26px 22px 40px;
    display:none;
    flex-direction:column;
    gap:10px;
    overflow-y:auto;
    z-index:55;
  }
  .drawer.open{display:flex}
  .drawer .side-link{font-size:16px;padding:14px 16px 14px 20px;border-radius:10px;background:rgba(255,255,255,.03)}
  .drawer .rail-cta{margin-top:16px}

  /* ============ 页面主体 ============ */
  .page{margin-left:var(--rail-w);min-height:100vh;display:flex;flex-direction:column}
  .wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
  @media (min-width:1280px){.wrap{padding:0 48px}}

  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
  .crumb a:hover{color:var(--brand)}
  .crumb .sep{color:#C9C2B6}
  .crumb .now{color:var(--text);font-weight:600}

  .article-hero{
    position:relative;
    padding:56px 0 40px;
    background:
      linear-gradient(180deg,rgba(247,244,239,.4),rgba(247,244,239,1) 68%),
      url("/assets/images/backpic/back-2.png") center/cover no-repeat;
    border-bottom:1px solid var(--line);
  }
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;
    padding:5px 12px;border-radius:var(--radius-sm);
    background:var(--brand-soft);color:var(--brand-dark);
    font-size:12.5px;font-weight:700;letter-spacing:.04em;
  }
  .article-h1{
    font-size:clamp(1.9rem,4.2vw,3.1rem);
    line-height:1.22;
    letter-spacing:-.02em;
    margin-top:20px;
    max-width:940px;
  }
  .meta-row{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
    margin-top:22px;font-size:13.5px;color:var(--muted);
  }
  .meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C9C2B6}
  .meta-chip{
    padding:4px 10px;border-radius:var(--radius-sm);
    background:var(--jade-soft);color:var(--jade);font-weight:700;font-size:12.5px;
  }

  .layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;padding:56px 0 0}
  @media (min-width:1180px){
    .layout{grid-template-columns:minmax(0,820px) minmax(220px,1fr);align-items:start}
  }

  /* ============ 正文排版 ============ */
  .prose-article{font-size:16.5px;line-height:1.9;color:var(--text)}
  .prose-article > * + *{margin-top:20px}
  .prose-article p{color:#26292b}
  .prose-article h2{
    font-size:clamp(1.35rem,2.2vw,1.75rem);
    margin-top:44px;padding-bottom:12px;
    border-bottom:1px solid var(--line);
    color:var(--ink);
  }
  .prose-article h3{font-size:1.2rem;margin-top:34px;color:var(--ink)}
  .prose-article h4{font-size:1.05rem;margin-top:26px;color:var(--ink)}
  .prose-article a{color:var(--jade);border-bottom:1px solid rgba(15,118,110,.35)}
  .prose-article a:hover{color:var(--brand);border-bottom-color:var(--brand)}
  .prose-article ul,.prose-article ol{padding-left:2px;display:flex;flex-direction:column;gap:10px}
  .prose-article ul li{position:relative;padding-left:22px}
  .prose-article ul li::before{
    content:"";position:absolute;left:2px;top:.72em;
    width:6px;height:6px;border-radius:2px;background:var(--brand);
  }
  .prose-article ol{counter-reset:step}
  .prose-article ol li{position:relative;padding-left:30px;counter-increment:step}
  .prose-article ol li::before{
    content:counter(step);
    position:absolute;left:0;top:.28em;
    width:20px;height:20px;border-radius:6px;
    background:var(--brand-soft);color:var(--brand-dark);
    font-size:12px;font-weight:800;
    display:grid;place-items:center;font-family:var(--mono);
  }
  .prose-article blockquote{
    margin:28px 0;padding:20px 24px;
    background:#fff;border-left:4px solid var(--brand);
    border-radius:0 var(--radius) var(--radius) 0;
    color:#3a3d3f;font-size:15.5px;
    box-shadow:var(--shadow-soft);
  }
  .prose-article figure{margin:28px 0}
  .prose-article figure img{border-radius:var(--radius-lg);box-shadow:var(--shadow-soft)}
  .prose-article figcaption{margin-top:12px;font-size:13px;color:var(--muted);text-align:center}
  .prose-article table{
    width:100%;border-collapse:collapse;margin:28px 0;font-size:14.5px;
    background:#fff;border-radius:var(--radius);overflow:hidden;
    box-shadow:var(--shadow-soft);
  }
  .prose-article th,.prose-article td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left}
  .prose-article th{background:#FBF9F6;font-weight:700;font-size:13.5px;letter-spacing:.02em}
  .prose-article tr:last-child td{border-bottom:0}
  .prose-article hr{border:0;height:1px;background:var(--line);margin:40px 0}
  .prose-article code{
    font-family:var(--mono);font-size:14px;
    background:#F1EDE7;padding:2px 6px;border-radius:5px;
  }
  .empty-state{
    padding:56px 32px;text-align:center;
    background:#fff;border:1px dashed var(--line);border-radius:var(--radius-lg);
  }
  .empty-state h2{font-size:1.4rem;color:var(--ink)}
  .empty-state p{margin-top:12px;color:var(--muted);font-size:15px}

  /* ============ 侧栏信息卡 ============ */
  .aside-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:22px;box-shadow:var(--shadow-soft);
  }
  .aside-card + .aside-card{margin-top:20px}
  .aside-title{font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--brand-dark);text-transform:uppercase}
  .aside-list{margin-top:16px;display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--muted)}
  .aside-list li{display:flex;justify-content:space-between;gap:12px;padding-bottom:10px;border-bottom:1px dashed var(--line)}
  .aside-list li:last-child{border-bottom:0;padding-bottom:0}
  .aside-list b{color:var(--text);font-weight:700}
  .aside-links{margin-top:16px;display:flex;flex-direction:column;gap:12px}
  .aside-links a{font-size:14.5px;color:#33363a;display:flex;align-items:center;gap:10px;transition:color .2s ease,transform .2s ease}
  .aside-links a::before{content:"";width:14px;height:1px;background:var(--brand)}
  .aside-links a:hover{color:var(--brand);transform:translateX(3px)}

  /* ============ 通用组件 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 26px;border-radius:8px;font-size:15px;font-weight:700;
    transition:background .22s ease,color .22s ease,transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    border:1px solid transparent;
  }
  .btn-primary{background:var(--brand);color:#fff}
  .btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,106,42,.28)}
  .btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
  .btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-dark);transform:translateY(-1px)}
  .btn:focus-visible,.side-link:focus-visible,.rail-cta:focus-visible,a:focus-visible{
    outline:2px solid var(--jade);outline-offset:2px;
  }

  .section-title{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.25;color:var(--ink)}
  .section-sub{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:640px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:10px;
    font-size:12px;font-weight:800;letter-spacing:.28em;color:var(--brand-dark);text-transform:uppercase;
  }
  .eyebrow::before{content:"";width:26px;height:2px;background:var(--brand)}

  .rec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;margin-top:32px}
  .rec-card{
    display:flex;flex-direction:column;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    overflow:hidden;
    transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
  }
  .rec-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow)}
  .rec-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#F1EDE7,#E3DACD)}
  .rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
  .rec-card:hover .rec-thumb img{transform:scale(1.06)}
  .rec-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
  .rec-body h3{font-size:16.5px;line-height:1.5;transition:color .22s ease}
  .rec-card:hover .rec-body h3{color:var(--brand)}
  .rec-body p{font-size:14px;color:var(--muted);line-height:1.8}
  .rec-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted)}
  .badge{
    display:inline-block;padding:4px 10px;border-radius:var(--radius-sm);
    background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:700;
  }
  .badge-jade{background:var(--jade-soft);color:var(--jade)}

  .cta-band{
    margin-top:72px;
    background:var(--ink);
    border-radius:var(--radius-lg);
    padding:52px 40px;
    color:#fff;
    position:relative;
    overflow:hidden;
  }
  .cta-band::after{
    content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
    border-radius:50%;background:radial-gradient(circle,rgba(255,106,42,.35),transparent 68%);
  }
  .cta-band h2{font-size:clamp(1.5rem,2.8vw,2.2rem);position:relative;z-index:1}
  .cta-band p{margin-top:14px;color:rgba(255,255,255,.68);max-width:620px;font-size:15px;position:relative;z-index:1}
  .cta-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1}
  .cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.28)}
  .cta-band .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}

  footer a{transition:color .2s ease}

  .fade-up{opacity:0;transform:translateY(14px);animation:fadeUp .7s ease forwards}
  .fade-up.d1{animation-delay:.08s}
  .fade-up.d2{animation-delay:.16s}
  @keyframes fadeUp{to{opacity:1;transform:translateY(0)}}
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important}
    .fade-up{opacity:1;transform:none}
  }

  /* ============ 响应式 ============ */
  @media (max-width:1279px){
    :root{--rail-w:222px}
    .wrap{padding:0 26px}
  }
  @media (max-width:1023px){
    .rail{display:none}
    .page{margin-left:0;padding-top:64px}
    .article-hero{padding:34px 0 28px}
    .layout{padding-top:36px;gap:36px}
    .cta-band{padding:38px 24px}
  }
  @media (max-width:767px){
    .wrap{padding:0 18px}
    .article-h1{font-size:1.72rem}
    .prose-article{font-size:16px}
    .prose-article h2{margin-top:34px}
    .rec-grid{grid-template-columns:1fr}
    .meta-row{gap:8px 14px}
    .cta-actions .btn{width:100%}
  }
  @media (max-width:519px){
    .article-h1{font-size:1.5rem}
    .btn{padding:13px 20px;font-size:14.5px}
    .cta-band{padding:32px 20px;border-radius:12px}
  }

/* roulang page: category1 */
:root{
    --brand:#FF6A2A;
    --brand-dark:#E4541A;
    --brand-soft:rgba(255,106,42,.12);
    --jade:#0F766E;
    --jade-soft:rgba(15,118,110,.10);
    --ink:#111315;
    --warm:#F7F4EF;
    --line:#E6DFD5;
    --text:#181A1B;
    --muted:#6B6862;
    --r-lg:14px;
    --r-md:10px;
    --r-sm:6px;
    --shadow:0 16px 40px rgba(17,19,21,.08);
    --shadow-soft:0 6px 18px rgba(17,19,21,.06);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--warm);
    color:var(--text);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none;}
  img{display:block;max-width:100%;height:auto;}
  button,input,select,textarea{font:inherit;color:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid var(--jade);outline-offset:3px;border-radius:4px;}

  .shell{display:flex;min-height:100vh;align-items:stretch;}

  /* ---------- 左侧竖向导航 ---------- */
  .sidebar{
    width:252px;flex:0 0 252px;
    background:var(--ink);
    color:rgba(255,255,255,.72);
    position:sticky;top:0;height:100vh;
    display:flex;flex-direction:column;
    padding:32px 22px 28px;
    overflow-y:auto;
  }
  .side-brand-mark{font-size:11px;font-weight:700;letter-spacing:.42em;color:var(--brand);}
  .side-brand-name{margin-top:14px;font-size:19px;font-weight:800;line-height:1.32;color:#fff;letter-spacing:.01em;}
  .side-rule{height:1px;background:rgba(255,255,255,.12);margin:26px 0 22px;}
  .side-link{
    position:relative;display:block;
    padding:11px 14px 11px 20px;
    border-radius:8px;
    font-size:15px;font-weight:500;
    color:rgba(255,255,255,.66);
    transition:background .22s ease,color .22s ease;
  }
  .side-link::before{
    content:"";position:absolute;left:3px;top:50%;
    width:3px;height:18px;border-radius:2px;background:var(--brand);
    transform:translateY(-50%) scaleY(0);
    transform-origin:center;
    transition:transform .24s ease;
  }
  .side-link:hover{color:#fff;background:rgba(255,255,255,.06);}
  .side-link.active{color:#fff;background:var(--brand-soft);}
  .side-link.active::before{transform:translateY(-50%) scaleY(1);}
  .side-cta{
    display:block;text-align:center;
    margin-top:30px;padding:13px 16px;
    background:var(--brand);color:#fff;
    font-size:15px;font-weight:700;border-radius:8px;
    transition:background .2s ease,transform .2s ease;
  }
  .side-cta:hover{background:var(--brand-dark);transform:translateY(-1px);}
  .side-aux{margin-top:auto;padding-top:30px;font-size:12.5px;line-height:2;color:rgba(255,255,255,.42);}
  .side-aux strong{display:block;color:rgba(255,255,255,.72);font-size:12px;letter-spacing:.2em;font-weight:700;margin-bottom:8px;}

  /* ---------- 移动端顶栏 ---------- */
  .mobile-bar{
    display:none;position:sticky;top:0;z-index:70;
    height:64px;align-items:center;justify-content:space-between;
    padding:0 18px;background:rgba(17,19,21,.97);color:#fff;
  }
  .mobile-brand{font-size:15px;font-weight:800;line-height:1.2;}
  .mobile-brand span{display:block;font-size:10px;letter-spacing:.32em;color:var(--brand);font-weight:700;margin-bottom:3px;}
  .burger{
    width:42px;height:42px;border:1px solid rgba(255,255,255,.22);
    background:transparent;border-radius:8px;display:flex;
    flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
  }
  .burger i{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
  .burger.open i:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .burger.open i:nth-child(2){opacity:0;}
  .burger.open i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  .drawer{position:fixed;inset:0;z-index:90;display:none;background:rgba(17,19,21,.62);}
  .drawer.open{display:block;}
  .drawer-panel{
    width:min(86vw,330px);height:100%;background:var(--ink);color:#fff;
    padding:26px 20px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
    animation:slideIn .28s ease both;
  }
  @keyframes slideIn{from{transform:translateX(-14px);opacity:.4}to{transform:none;opacity:1}}

  /* ---------- 内容区 ---------- */
  .content{flex:1 1 auto;min-width:0;}
  .container{max-width:1280px;margin:0 auto;padding:0 24px;}
  @media (min-width:1280px){.container{padding:0 48px;}}
  .section{padding:80px 0;}
  .h2{font-size:clamp(1.75rem,3vw,2.6rem);font-weight:800;line-height:1.2;letter-spacing:-.02em;}
  .h3{font-size:1.28rem;font-weight:700;line-height:1.4;}
  .eyebrow{font-size:12px;font-weight:800;letter-spacing:.34em;color:var(--brand);}
  .lead{color:var(--muted);font-size:16px;line-height:1.9;}

  /* ---------- Hero ---------- */
  .hero{
    position:relative;border-radius:var(--r-lg);overflow:hidden;
    background-size:cover;background-position:center;
    color:#fff;padding:64px 32px 58px;
    display:flex;flex-direction:column;justify-content:flex-end;
    min-height:520px;
  }
  .hero h1{
    font-size:clamp(2.2rem,5vw,4.1rem);
    font-weight:800;line-height:1.12;letter-spacing:-.025em;
    margin-top:22px;max-width:22ch;
  }
  .hero p.hero-sub{margin-top:22px;max-width:58ch;font-size:16.5px;line-height:1.9;color:rgba(255,255,255,.86);}
  .badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 11px;border-radius:var(--r-sm);
    font-size:12.5px;font-weight:600;line-height:1.6;
  }
  .badge-orange{background:var(--brand-soft);color:#FFB48C;border:1px solid rgba(255,106,42,.42);}
  .badge-jade{background:var(--jade-soft);color:#8FD8D0;border:1px solid rgba(15,118,110,.45);}
  .badge-plain{background:rgba(255,255,255,.08);color:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.18);}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 26px;border-radius:8px;font-size:15px;font-weight:700;
    border:1px solid transparent;cursor:pointer;
    transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 26px rgba(255,106,42,.26);}
  .btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);}
  .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
  .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.72);}
  .btn-line{background:#fff;color:var(--ink);border-color:var(--line);}
  .btn-line:hover{border-color:var(--brand);color:var(--brand);background:#fff;transform:translateY(-1px);}
  .cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}

  .fade-up{animation:fadeUp .72s cubic-bezier(.22,.7,.3,1) both;}
  .fade-up.d1{animation-delay:.08s;}
  .fade-up.d2{animation-delay:.16s;}
  .fade-up.d3{animation-delay:.24s;}
  .fade-up.d4{animation-delay:.32s;}
  @keyframes fadeUp{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:none;}}

  /* ---------- 数据条 ---------- */
  .stat-strip{
    display:grid;grid-template-columns:repeat(4,1fr);
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--shadow);overflow:hidden;
    margin-top:-46px;position:relative;z-index:5;
  }
  .stat-cell{padding:26px 24px;border-right:1px solid var(--line);}
  .stat-cell:last-child{border-right:none;}
  .stat-num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:30px;font-weight:700;color:var(--ink);line-height:1.1;letter-spacing:-.02em;}
  .stat-num em{font-style:normal;font-size:14px;font-weight:600;color:var(--muted);margin-left:4px;}
  .stat-label{margin-top:8px;font-size:13.5px;color:var(--muted);}

  /* ---------- 筛选标签 ---------- */
  .tabs{display:flex;flex-wrap:wrap;gap:10px;}
  .tab{
    padding:9px 18px;border-radius:999px;border:1px solid var(--line);
    background:#fff;font-size:14px;font-weight:600;color:var(--muted);cursor:pointer;
    transition:all .2s ease;
  }
  .tab:hover{border-color:var(--brand);color:var(--brand);}
  .tab.active{background:var(--ink);border-color:var(--ink);color:#fff;}

  /* ---------- 时间线 ---------- */
  .day-block{margin-top:44px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:12px 30px 22px;box-shadow:var(--shadow-soft);}
  .day-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:22px 0 6px;border-bottom:1px solid var(--line);}
  .day-head h3{font-size:1.2rem;font-weight:800;letter-spacing:-.01em;}
  .day-head .day-tag{font-size:12.5px;font-weight:700;color:var(--jade);background:var(--jade-soft);padding:4px 10px;border-radius:var(--r-sm);}
  .tl-row{
    display:grid;grid-template-columns:170px 1fr auto;gap:22px;align-items:start;
    padding:22px 0;border-bottom:1px dashed var(--line);
    transition:background .2s ease;
  }
  .tl-row:last-child{border-bottom:none;}
  .tl-row:hover{background:#FCFAF7;}
  .tl-time{
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
    font-size:14.5px;font-weight:700;color:var(--ink);letter-spacing:.01em;
    display:flex;align-items:center;gap:9px;padding-top:2px;
  }
  .dot{width:9px;height:9px;border-radius:50%;flex:0 0 9px;border:2px solid var(--brand);}
  .dot-done{background:var(--brand);}
  .dot-live{background:var(--brand);box-shadow:0 0 0 4px rgba(255,106,42,.18);}
  .dot-next{background:transparent;}
  .tl-body h4{font-size:16.5px;font-weight:700;line-height:1.55;}
  .tl-body p{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.85;}
  .tl-state{font-size:12.5px;font-weight:700;padding:5px 11px;border-radius:var(--r-sm);white-space:nowrap;}
  .state-done{background:#EFEDE8;color:#7A756D;}
  .state-live{background:var(--brand-soft);color:var(--brand-dark);}
  .state-next{background:var(--jade-soft);color:var(--jade);}

  /* ---------- 重点环节 ---------- */
  .feature-row{
    display:grid;grid-template-columns:110px 1fr 320px;gap:32px;align-items:center;
    padding:34px 0;border-top:1px solid var(--line);
  }
  .feature-row:last-of-type{border-bottom:1px solid var(--line);}
  .feature-index{
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
    font-size:46px;font-weight:700;line-height:1;color:var(--brand);letter-spacing:-.03em;
  }
  .cover{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);background:#EDE8E1;}
  .cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.3,1);}
  .cover:hover img{transform:scale(1.05);}

  /* ---------- 卡片 ---------- */
  .card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  }
  .card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow);}
  .check-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--muted);line-height:1.85;}
  .check-list li + li{margin-top:12px;}
  .check-list li::before{
    content:"";flex:0 0 16px;height:16px;margin-top:6px;border-radius:50%;
    background:var(--jade-soft);
    background-image:linear-gradient(var(--jade),var(--jade));
    background-size:7px 2px;background-repeat:no-repeat;background-position:center;
  }

  /* ---------- FAQ ---------- */
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
    gap:18px;padding:22px 4px;font-size:16.5px;font-weight:600;color:var(--ink);
    transition:color .2s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--brand);}
  .faq-icon{
    flex:0 0 26px;height:26px;border-radius:50%;border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;color:var(--brand);
    font-size:16px;line-height:1;transition:transform .25s ease,border-color .25s ease;
  }
  .faq-item[open] .faq-icon{transform:rotate(45deg);border-color:var(--brand);}
  .faq-body{padding:0 46px 24px 4px;color:var(--muted);font-size:15px;line-height:1.9;}

  /* ---------- 表单 ---------- */
  .form-shell{
    background:var(--ink);color:#fff;border-radius:var(--r-lg);
    padding:46px 40px;display:grid;grid-template-columns:1fr 1.15fr;gap:46px;
  }
  .form-note{color:rgba(255,255,255,.6);font-size:14px;line-height:1.9;}
  .field{
    width:100%;height:48px;border-radius:8px;border:1px solid var(--line);
    background:#fff;color:var(--ink);padding:0 14px;font-size:15px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .field:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,42,.18);}
  textarea.field{height:auto;min-height:104px;padding:12px 14px;line-height:1.75;resize:vertical;}
  .field-label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:8px;}
  .privacy{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:rgba(255,255,255,.65);line-height:1.8;}
  .privacy input{margin-top:5px;width:16px;height:16px;accent-color:var(--brand);}
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}

  /* ---------- 页脚 ---------- */
  .foot-link{transition:color .2s ease;}
  .foot-link:hover{color:var(--brand);}

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    .sidebar{width:220px;flex:0 0 220px;}
    .feature-row{grid-template-columns:90px 1fr 260px;gap:24px;}
  }
  @media (max-width:1023px){
    .sidebar{display:none;}
    .mobile-bar{display:flex;}
    .hero{min-height:440px;padding:48px 24px 44px;}
    .stat-strip{grid-template-columns:1fr 1fr;margin-top:24px;}
    .stat-cell:nth-child(2){border-right:none;}
    .stat-cell{border-bottom:1px solid var(--line);}
    .stat-cell:nth-child(3),.stat-cell:nth-child(4){border-bottom:none;}
    .form-shell{grid-template-columns:1fr;padding:34px 24px;gap:32px;}
    .feature-row{grid-template-columns:70px 1fr;gap:20px;}
    .feature-row .cover{grid-column:1 / -1;}
  }
  @media (max-width:767px){
    .section{padding:56px 0;}
    .tl-row{grid-template-columns:1fr;gap:10px;padding:20px 0;}
    .tl-state{justify-self:start;}
    .day-block{padding:8px 18px 16px;}
    .form-grid{grid-template-columns:1fr;}
    .hero h1{max-width:none;}
    .faq-body{padding-right:16px;}
    .cta-row .btn{width:100%;}
  }
  @media (max-width:519px){
    .container{padding:0 18px;}
    .feature-row{grid-template-columns:1fr;}
    .feature-index{font-size:34px;}
    .stat-strip{grid-template-columns:1fr;}
    .stat-cell{border-right:none;border-bottom:1px solid var(--line);}
    .stat-cell:last-child{border-bottom:none;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category2 */
:root{
    --brand:#FF6A2A;
    --brand-dark:#E4541A;
    --jade:#0F766E;
    --ink:#111315;
    --warm:#F7F4EF;
    --line:#E6DFD5;
    --text:#181A1B;
    --muted:#6B6862;
    --card-radius:14px;
    --btn-radius:8px;
    --shadow-card:0 16px 40px rgba(17,19,21,.08);
    --mono: ui-monospace, "SFMono-Regular", "Menlo", "Consolas", monospace;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--warm);
    color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none}
  img{display:block;max-width:100%}
  button,input,select,textarea{font:inherit;color:inherit}
  h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:800;letter-spacing:-.01em}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}

  /* ---------- 左侧竖向导航 ---------- */
  .side-nav{
    position:fixed;
    top:0;left:0;bottom:0;
    width:260px;
    background:var(--ink);
    display:none;
    flex-direction:column;
    padding:32px 22px 28px;
    z-index:60;
    border-right:1px solid rgba(255,255,255,.06);
  }
  .side-brand-mark{
    font-size:11px;
    letter-spacing:.42em;
    font-weight:700;
    color:var(--brand);
  }
  .side-brand-name{
    margin-top:14px;
    font-size:21px;
    font-weight:800;
    line-height:1.28;
    color:#fff;
  }
  .side-link{
    position:relative;
    display:block;
    padding:11px 14px 11px 20px;
    border-radius:8px;
    font-size:14.5px;
    color:rgba(255,255,255,.66);
    transition:background .25s ease,color .25s ease,transform .25s ease;
  }
  .side-link::before{
    content:"";
    position:absolute;
    left:2px;top:50%;
    width:3px;height:18px;
    border-radius:2px;
    background:var(--brand);
    transform:translateY(-50%) scaleY(0);
    transition:transform .25s ease;
  }
  .side-link:hover{background:rgba(255,255,255,.07);color:#fff}
  .side-link.active{
    background:rgba(255,106,42,.13);
    color:#fff;
    font-weight:600;
  }
  .side-link.active::before{transform:translateY(-50%) scaleY(1)}
  .side-link:focus-visible{
    outline:2px solid var(--jade);
    outline-offset:2px;
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:13px 24px;
    border-radius:var(--btn-radius);
    font-size:14.5px;
    font-weight:600;
    cursor:pointer;
    border:1px solid transparent;
    transition:transform .2s ease,background .25s ease,box-shadow .25s ease,border-color .25s ease,color .25s ease;
  }
  .btn-primary{
    background:var(--brand);
    color:#fff;
    box-shadow:0 10px 24px rgba(255,106,42,.24);
  }
  .btn-primary:hover{
    background:var(--brand-dark);
    transform:translateY(-1px);
    box-shadow:0 14px 30px rgba(255,106,42,.3);
  }
  .btn-ghost{
    background:transparent;
    border-color:var(--line);
    color:var(--text);
  }
  .btn-ghost:hover{
    background:#FBEDE4;
    border-color:rgba(255,106,42,.5);
    transform:translateY(-1px);
  }
  .btn-dark-ghost{
    background:transparent;
    border-color:rgba(255,255,255,.24);
    color:#fff;
  }
  .btn-dark-ghost:hover{
    background:rgba(255,255,255,.1);
    transform:translateY(-1px);
  }
  .btn:focus-visible{
    outline:2px solid var(--jade);
    outline-offset:2px;
  }
  .btn-block{width:100%}

  /* ---------- 标签 / 徽章 ---------- */
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:4px 10px;
    border-radius:6px;
    font-size:12px;
    font-weight:600;
    letter-spacing:.02em;
    background:rgba(15,118,110,.1);
    color:var(--jade);
    white-space:nowrap;
  }
  .badge-brand{
    background:rgba(255,106,42,.13);
    color:#C8440F;
  }
  .badge-dark{
    background:rgba(255,255,255,.12);
    color:#fff;
  }
  .badge-soft{
    background:#F0EBE3;
    color:var(--muted);
  }

  /* ---------- 嘉宾卡片 ---------- */
  .guest-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--card-radius);
    overflow:hidden;
    display:flex;
    flex-direction:column;
    transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  }
  .guest-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-card);
    border-color:rgba(255,106,42,.55);
  }
  .guest-media{
    aspect-ratio:4/3;
    overflow:hidden;
    background:linear-gradient(135deg,#EDE7DE,#D9D0C3);
  }
  .guest-media img{
    width:100%;height:100%;
    object-fit:cover;
    transition:transform .55s ease;
  }
  .guest-card:hover .guest-media img{transform:scale(1.06)}
  .guest-name{
    font-size:19px;
    font-weight:800;
  }
  .guest-role{font-size:13.5px;color:var(--muted)}
  .guest-topic{
    font-size:14.5px;
    line-height:1.7;
    color:var(--text);
  }
  .guest-meta{
    font-family:var(--mono);
    font-size:12.5px;
    letter-spacing:.02em;
    color:var(--muted);
  }

  /* ---------- 数字统计 ---------- */
  .stat-num{
    font-family:var(--mono);
    font-size:clamp(2rem,3.6vw,2.6rem);
    font-weight:700;
    color:var(--brand);
    line-height:1;
  }

  /* ---------- 圆桌卡 ---------- */
  .round-card{
    background:#fff;
    border:1px solid var(--line);
    border-left:3px solid var(--jade);
    border-radius:10px;
    padding:24px 26px;
    transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  }
  .round-card:hover{
    transform:translateX(4px);
    border-left-color:var(--brand);
    box-shadow:var(--shadow-card);
  }

  /* ---------- FAQ ---------- */
  .faq-item{
    background:#fff;
    border:1px solid var(--line);
    border-radius:10px;
    overflow:hidden;
    transition:border-color .25s ease;
  }
  .faq-item[open]{border-color:rgba(255,106,42,.5)}
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:20px 22px;
    font-size:15.5px;
    font-weight:600;
    transition:color .25s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{color:var(--brand)}
  .faq-item summary:focus-visible{outline:2px solid var(--jade);outline-offset:-2px}
  .faq-icon{
    flex:0 0 auto;
    width:22px;height:22px;
    display:grid;place-items:center;
    border-radius:50%;
    border:1px solid var(--line);
    color:var(--brand);
    font-size:15px;
    line-height:1;
    transition:transform .3s ease,background .3s ease,border-color .3s ease;
  }
  .faq-item[open] .faq-icon{
    transform:rotate(45deg);
    background:rgba(255,106,42,.12);
    border-color:rgba(255,106,42,.5);
  }
  .faq-answer{
    padding:0 22px 22px;
    font-size:14.5px;
    line-height:1.9;
    color:var(--muted);
  }

  /* ---------- Hero ---------- */
  .hero{
    position:relative;
    background-image:linear-gradient(100deg, rgba(17,19,21,.94) 0%, rgba(17,19,21,.78) 48%, rgba(17,19,21,.42) 100%), url('/assets/images/backpic/back-2.png');
    background-size:cover;
    background-position:center;
    color:#fff;
  }
  .hero h1{
    font-size:clamp(2rem,5.4vw,3.9rem);
    line-height:1.14;
    letter-spacing:-.02em;
  }
  .hero-sub{
    max-width:640px;
    font-size:15.5px;
    line-height:1.95;
    color:rgba(255,255,255,.76);
  }
  .hero-badge{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:7px 14px;
    border-radius:999px;
    border:1px solid rgba(255,255,255,.22);
    font-size:12.5px;
    letter-spacing:.03em;
    color:rgba(255,255,255,.82);
    background:rgba(255,255,255,.05);
  }
  .hero-badge .dot{
    width:6px;height:6px;border-radius:50%;
    background:var(--brand);
  }

  /* ---------- 动效 ---------- */
  @keyframes riseIn{
    from{opacity:0;transform:translateY(14px)}
    to{opacity:1;transform:translateY(0)}
  }
  .rise{animation:riseIn .75s cubic-bezier(.22,.7,.28,1) both}
  .d1{animation-delay:.08s}
  .d2{animation-delay:.16s}
  .d3{animation-delay:.24s}
  .d4{animation-delay:.32s}

  /* ---------- 移动端导航 ---------- */
  .topbar{
    position:sticky;
    top:0;
    z-index:70;
    background:rgba(17,19,21,.96);
    backdrop-filter:blur(8px);
  }
  .drawer-link{
    display:block;
    padding:14px 4px;
    font-size:15.5px;
    color:rgba(255,255,255,.72);
    border-bottom:1px solid rgba(255,255,255,.08);
  }
  .drawer-link.active{color:var(--brand);font-weight:700}

  @media (min-width:1024px){
    .side-nav{display:flex}
  }
  @media (max-width:1023px){
    .side-nav{display:none}
  }
  @media (prefers-reduced-motion: reduce){
    *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  }

/* roulang page: category3 */
:root{
    --ink:#111315;
    --ink-soft:#1c1f22;
    --paper:#F7F4EF;
    --orange:#FF6A2A;
    --orange-deep:#e2551a;
    --jade:#0F766E;
    --line:#E6DFD5;
    --text:#181A1B;
    --muted:#6B6862;
    --radius-s:6px;
    --radius-m:12px;
    --radius-l:18px;
    --shadow:0 16px 40px rgba(17,19,21,.08);
    --sidebar:248px;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:800;letter-spacing:-.01em}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

  /* 左侧竖向导航 */
  .side-shell{display:flex;min-height:100vh}
  .sidebar{
    width:var(--sidebar);
    flex:0 0 var(--sidebar);
    background:var(--ink);
    color:#fff;
    padding:32px 22px 28px;
    position:sticky;
    top:0;
    height:100vh;
    display:flex;
    flex-direction:column;
    justify-content:space-between;
    overflow-y:auto;
  }
  .brand-mark{
    display:block;
    font-size:19px;
    font-weight:800;
    line-height:1.3;
    color:#fff;
    letter-spacing:.01em;
  }
  .side-link{
    position:relative;
    display:block;
    padding:11px 14px 11px 18px;
    font-size:14.5px;
    color:rgba(255,255,255,.66);
    border-radius:var(--radius-s);
    transition:color .22s ease,background-color .22s ease;
  }
  .side-link::before{
    content:"";
    position:absolute;
    left:0;top:50%;
    width:3px;height:0;
    background:var(--orange);
    border-radius:2px;
    transform:translateY(-50%);
    transition:height .24s cubic-bezier(.3,.7,.3,1);
  }
  .side-link:hover{color:#fff;background:rgba(255,255,255,.06)}
  .side-link:hover::before{height:18px}
  .side-link.active{color:#fff;background:rgba(255,106,42,.14)}
  .side-link.active::before{height:26px}
  .side-link:focus-visible{outline:2px solid var(--jade);outline-offset:2px}

  /* 按钮 */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:13px 24px;
    border-radius:8px;
    font-size:15px;
    font-weight:700;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
  }
  .btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 24px rgba(255,106,42,.28)}
  .btn-primary:hover{background:var(--orange-deep);transform:translateY(-1px)}
  .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
  .btn-ghost:hover{background:rgba(255,106,42,.16);border-color:var(--orange)}
  .btn-line{background:transparent;color:var(--text);border-color:var(--line)}
  .btn-line:hover{background:#fff;border-color:var(--orange);color:var(--orange-deep)}
  .btn:focus-visible{outline:2px solid var(--jade);outline-offset:2px}

  /* 标签 */
  .tag{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:4px 10px;
    border-radius:5px;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.02em;
  }
  .tag-orange{background:rgba(255,106,42,.14);color:#b8460f}
  .tag-jade{background:rgba(15,118,110,.12);color:var(--jade)}
  .tag-ink{background:rgba(255,255,255,.1);color:#fff}
  .tag-line{background:#fff;color:var(--muted);border:1px solid var(--line)}

  /* 内容区 */
  .content{flex:1 1 auto;min-width:0;max-width:1280px;margin:0 auto;width:100%}
  .wrap{padding-left:32px;padding-right:32px}
  @media (min-width:1280px){.wrap{padding-left:48px;padding-right:48px}}

  /* 票种卡 */
  .plan{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-m);
    padding:26px 22px 22px;
    display:flex;
    flex-direction:column;
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .plan:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--orange)}
  .plan-featured{
    border:1.5px solid var(--orange);
    box-shadow:0 18px 44px rgba(255,106,42,.14);
    background:linear-gradient(180deg,#fffaf6 0%,#fff 42%);
  }
  .plan-featured:hover{transform:translateY(-6px)}
  .plan-price{font-size:38px;font-weight:800;line-height:1;letter-spacing:-.02em}
  .plan-feat li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.7;color:#3b3a38}
  .tick{
    flex:0 0 auto;
    width:17px;height:17px;margin-top:4px;
    border-radius:50%;
    background:rgba(15,118,110,.12);
    color:var(--jade);
    font-size:11px;
    display:flex;align-items:center;justify-content:center;
    font-weight:800;
  }
  .tick-off{background:rgba(24,26,27,.07);color:#a09a92}

  /* 权益对照行 */
  .matrix-row{
    display:grid;
    grid-template-columns:1.5fr repeat(4,minmax(0,1fr));
    align-items:center;
    gap:8px;
    padding:15px 18px;
    border-bottom:1px solid var(--line);
    font-size:14px;
  }
  .matrix-row:nth-child(even){background:rgba(255,255,255,.55)}
  .matrix-head{background:#fff;font-weight:700;border-bottom:1.5px solid var(--line)}
  .matrix-head .cell-stage{color:var(--muted);font-size:12.5px;font-weight:600}
  .cell-text{color:#3b3a38}
  .cell-text.key{font-weight:700;color:var(--text)}
  .cell-mark{text-align:center}

  /* FAQ */
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-q{
    width:100%;
    background:none;
    border:0;
    padding:20px 4px;
    text-align:left;
    font-size:16px;
    font-weight:700;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    cursor:pointer;
  }
  .faq-q:focus-visible{outline:2px solid var(--jade);outline-offset:2px;border-radius:6px}
  .faq-q .chev{transition:transform .28s ease;color:var(--orange);font-size:18px;line-height:1}
  .faq-q[aria-expanded="true"] .chev{transform:rotate(45deg)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
  .faq-a p{padding:0 4px 20px;font-size:14.5px;color:var(--muted);line-height:1.9}

  /* 表单 */
  .field label{display:block;font-size:13px;font-weight:700;margin-bottom:7px;color:#3b3a38}
  .field input,.field select,.field textarea{
    width:100%;
    height:48px;
    padding:0 14px;
    border:1px solid var(--line);
    border-radius:8px;
    background:#fff;
    font-size:14.5px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .field textarea{height:96px;padding:12px 14px;resize:vertical}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,106,42,.16);
  }
  .checkline{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);line-height:1.7}
  .checkline input{width:16px;height:16px;margin-top:4px;accent-color:var(--orange)}

  /* 入场动效 */
  .rise{opacity:0;transform:translateY(16px);animation:rise .7s cubic-bezier(.2,.7,.3,1) forwards}
  .rise-2{animation-delay:.1s}
  .rise-3{animation-delay:.2s}
  .rise-4{animation-delay:.3s}
  @keyframes rise{to{opacity:1;transform:translateY(0)}}
  @media (prefers-reduced-motion: reduce){
    .rise{opacity:1;transform:none;animation:none}
    *{transition:none !important;scroll-behavior:auto !important}
  }

  /* 移动端抽屉 */
  .drawer{transition:opacity .25s ease,transform .25s ease}
  .drawer[hidden]{display:none}

  @media (max-width:1279px){
    .matrix-row{grid-template-columns:1.3fr repeat(4,minmax(0,1fr));font-size:13.5px;padding:14px}
  }
  @media (max-width:1023px){
    :root{--sidebar:0px}
    .sidebar{display:none}
    .side-shell{display:block}
    .wrap{padding-left:20px;padding-right:20px}
    .matrix-row{grid-template-columns:1fr;gap:6px;border:1px solid var(--line);border-radius:10px;margin-bottom:10px;background:#fff}
    .matrix-head{display:none}
    .cell-mark{text-align:left;display:flex;align-items:center;gap:8px}
    .cell-mark::after{content:attr(data-plan);font-size:13px;color:var(--muted)}
  }
  @media (max-width:640px){
    .plan-price{font-size:32px}
  }

/* roulang page: category4 */
:root{
    --brand:#FF6A2A;
    --brand-dark:#DF541B;
    --jade:#0F766E;
    --ink:#111315;
    --bg:#F7F4EF;
    --line:#E6DFD5;
    --text:#181A1B;
    --muted:#6B6862;
    --radius:12px;
    --shadow:0 16px 40px rgba(17,19,21,.08);
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:800;letter-spacing:-.01em}
  p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--jade);outline-offset:2px;border-radius:6px}
  .mono{font-family:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;font-variant-numeric:tabular-nums}

  /* 侧栏 */
  .side-link{
    position:relative;
    display:block;
    padding:11px 16px 11px 22px;
    border-radius:8px;
    font-size:14.5px;
    color:rgba(255,255,255,.68);
    transition:background .25s ease,color .25s ease;
  }
  .side-link:hover{background:rgba(255,255,255,.06);color:#fff}
  .side-link.active{background:rgba(255,106,42,.12);color:#fff;font-weight:600}
  .side-link.active::before{
    content:"";
    position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:3px;height:22px;border-radius:2px;background:var(--brand);
  }
  .m-link{
    display:block;
    padding:13px 20px;
    border-radius:8px;
    color:rgba(255,255,255,.75);
    font-size:15px;
    transition:background .25s ease,color .25s ease;
  }
  .m-link:hover{background:rgba(255,255,255,.06);color:#fff}
  .m-link.active{background:rgba(255,106,42,.14);color:#fff;font-weight:600}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 26px;border:1px solid transparent;border-radius:8px;
    font-size:15px;font-weight:600;cursor:pointer;
    transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
  }
  .btn-primary{background:var(--brand);color:#fff}
  .btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px)}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
  .btn-ghost:hover{border-color:var(--brand);background:rgba(255,106,42,.08);color:var(--brand-dark)}
  .btn-outline-light{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}
  .btn-outline-light:hover{border-color:var(--brand);background:rgba(255,106,42,.16);transform:translateY(-1px)}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;
    color:var(--brand-dark);text-decoration:underline;text-underline-offset:5px;
    text-decoration-thickness:1px;text-decoration-color:rgba(255,106,42,.4);
  }
  .link-arrow:hover{color:#fff;background:var(--brand);border-radius:6px;padding:2px 8px;text-decoration:none}

  /* 徽章与标签 */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 10px;border-radius:6px;font-size:12.5px;font-weight:600;letter-spacing:.02em;
  }
  .badge-brand{background:rgba(255,106,42,.14);color:#B9430D}
  .badge-jade{background:rgba(15,118,110,.12);color:#0B5A54}
  .badge-light{background:rgba(255,255,255,.14);color:#fff}
  .badge-line{background:#fff;border:1px solid var(--line);color:var(--muted)}

  /* 卡片 */
  .card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,106,42,.45)}
  .sec-title{font-size:clamp(1.75rem,3vw,2.5rem)}
  .sec-kicker{
    font-size:12px;font-weight:700;letter-spacing:.32em;color:var(--brand);
    text-transform:uppercase;
  }
  .num-block{
    font-family:"SFMono-Regular",Menlo,Consolas,monospace;
    font-size:2.1rem;font-weight:700;line-height:1;color:var(--brand);
  }
  .step-card{position:relative}
  .step-card::after{
    content:"";position:absolute;left:-1px;top:0;width:3px;height:0;
    background:var(--brand);border-radius:3px 0 0 3px;transition:height .3s ease;
  }
  .step-card:hover::after{height:100%}
  .check-item{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--muted);line-height:1.85}
  .check-item svg{flex:0 0 auto;margin-top:6px;color:var(--jade)}

  /* FAQ */
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 4px;cursor:pointer;font-size:16.5px;font-weight:600;list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .chev{flex:0 0 auto;color:var(--brand);transition:transform .28s ease}
  .faq-item[open] .chev{transform:rotate(180deg)}
  .faq-item[open] summary{color:var(--brand-dark)}

  /* 表单 */
  .field-label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px}
  .field{
    width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:8px;
    background:#fff;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
  }
  textarea.field{height:auto;padding:12px 14px;line-height:1.7;resize:vertical}
  .field:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,42,.16)}
  .field::placeholder{color:#A9A49C}

  /* 图片 */
  .cover-zoom{overflow:hidden;border-radius:var(--radius)}
  .cover-zoom img{transition:transform .5s ease}
  .cover-zoom:hover img{transform:scale(1.05)}

  /* 动效 */
  @keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
  .rise{animation:rise .7s cubic-bezier(.2,.7,.3,1) both}
  .d1{animation-delay:.06s}
  .d2{animation-delay:.14s}
  .d3{animation-delay:.22s}
  .d4{animation-delay:.3s}
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  }

  @media (max-width:1023px){
    .sec-title{font-size:1.9rem}
  }