/* roulang page: index */
:root{
  --ink:#16130F;
  --ink-2:#3A342C;
  --muted:#7C7268;
  --line:rgba(22,19,15,.10);
  --paper:#FAF7F1;
  --paper-2:#F2EDE4;
  --card:#FFFFFF;
  --gold:#D9972B;
  --gold-deep:#B4761A;
  --gold-soft:#F3D9A6;
  --jade:#2E4B45;
  --danger:#B4462F;
  --r-card:16px;
  --r-img:12px;
  --r-btn:8px;
  --r-input:6px;
  --r-badge:4px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --side:244px;
  --shadow-card:0 1px 0 var(--line);
  --shadow-lift:0 28px 56px -36px rgba(22,19,15,.30);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;object-fit:cover}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:"Noto Serif SC","Songti SC",serif;font-weight:700;margin:0;letter-spacing:-.01em;line-height:1.28}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-family:"Inter",ui-monospace,SFMono-Regular,monospace;font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}

/* ============ 侧栏 App Shell ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side);
  background:var(--card);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:26px 18px 20px;
  z-index:80;
  overflow-y:auto;
  transition:width .24s var(--ease),transform .28s var(--ease),box-shadow .24s var(--ease);
}
.sidebar::-webkit-scrollbar{width:4px}
.sidebar::-webkit-scrollbar-thumb{background:var(--line);border-radius:2px}

.logo{display:flex;gap:10px;align-items:flex-start;padding:2px 8px 24px}
.logo-mark{width:8px;height:8px;background:var(--gold);margin-top:9px;flex:0 0 auto}
.logo-main{font-family:"Noto Serif SC",serif;font-size:16px;font-weight:700;letter-spacing:-.02em;line-height:1.35}
.logo-sub{font-size:11px;color:var(--muted);letter-spacing:.08em;margin-top:4px;line-height:1.5}

.nav{display:flex;flex-direction:column;gap:2px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 10px;border-radius:6px;
  font-size:14px;color:var(--ink-2);
  transition:color .18s var(--ease),transform .18s var(--ease),background .18s var(--ease);
}
.nav-item i{width:18px;text-align:center;font-size:14px;color:var(--muted);transition:color .18s var(--ease)}
.nav-item:hover{color:var(--ink);transform:translateX(2px);background:var(--paper)}
.nav-item:hover i{color:var(--gold-deep)}
.nav-item.active{color:var(--ink);font-weight:700}
.nav-item.active i{color:var(--gold-deep)}
.nav-item.active::before{content:"";position:absolute;left:-10px;top:10px;bottom:10px;width:2px;background:var(--gold)}

.side-divider{height:1px;background:var(--line);margin:20px 8px}
.side-cta{padding:0 2px}
.side-cta .btn{width:100%}
.side-foot{margin-top:auto;padding:22px 8px 0;font-size:11px;line-height:1.8;color:var(--muted);letter-spacing:.04em}
.side-foot strong{display:block;color:var(--ink-2);font-weight:500;margin-bottom:2px}

/* ============ 通用按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:14px;font-weight:500;line-height:1;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--gold-deep);transform:translateY(1px)}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--gold-soft);transform:translateY(1px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-outline-light:hover{background:#fff;color:var(--ink)}
.btn-sm{height:38px;padding:0 16px;font-size:13px}
.btn-block{width:100%}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:2px 8px;border-radius:var(--r-badge);
  background:var(--gold-soft);color:var(--gold-deep);
  font-size:12px;line-height:1.6;letter-spacing:.04em;font-weight:500;
}
.badge-jade{background:var(--jade);color:#fff}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--muted)}

/* ============ 主区域 ============ */
.app{padding-left:var(--side);min-height:100vh;display:flex;flex-direction:column}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 40px}
.section{padding:88px 0}
.section-tight{padding:60px 0}
.section-alt{background:var(--paper-2)}

/* ============ 移动顶部栏 ============ */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:90;
  background:rgba(250,247,241,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 18px;
}
.mobile-brand{display:flex;align-items:center;gap:8px;font-family:"Noto Serif SC",serif;font-size:15px;font-weight:700}
.mobile-brand span.dot{width:8px;height:8px;background:var(--gold)}
.menu-btn{
  width:42px;height:42px;border:1px solid var(--line);background:var(--card);
  border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.scrim{
  display:none;position:fixed;inset:0;background:rgba(22,19,15,.42);z-index:75;
  opacity:0;transition:opacity .24s var(--ease);
}
.scrim.show{display:block;opacity:1}

/* ============ Hero ============ */
.hero{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.06fr .94fr;min-height:648px;align-items:stretch}
.hero-copy{display:flex;flex-direction:column;justify-content:center;padding:72px 48px 56px 56px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.18em;color:var(--gold-soft);margin-bottom:22px;
}
.hero-eyebrow::before{content:"";width:26px;height:1px;background:var(--gold)}
.hero h1{
  font-size:clamp(30px,3.6vw,50px);
  line-height:1.22;letter-spacing:-.02em;color:#fff;
}
.hero h1 em{font-style:normal;color:var(--gold-soft)}
.hero-sub{margin-top:22px;font-size:16px;line-height:1.9;color:rgba(255,255,255,.72);max-width:44ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:0;
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
}
.hero-meta div{padding-right:30px;margin-right:30px;border-right:1px solid rgba(255,255,255,.16)}
.hero-meta div:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-meta dt{font-size:11px;letter-spacing:.14em;color:rgba(255,255,255,.5);margin-bottom:4px}
.hero-meta dd{margin:0;font-size:15px;color:#fff}
.hero-media{position:relative;min-height:648px;background:var(--paper-2)}
.hero-media img{width:100%;height:100%;position:absolute;inset:0}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,var(--ink) 0%,rgba(22,19,15,.35) 34%,rgba(22,19,15,0) 68%);
}
.hero-mark{
  position:absolute;right:26px;bottom:26px;z-index:2;
  border:1px solid rgba(255,255,255,.4);color:rgba(255,255,255,.82);
  padding:6px 10px;font-size:11px;letter-spacing:.16em;border-radius:var(--r-badge);
  background:rgba(22,19,15,.28);
}

/* ============ 数据条 ============ */
.stats{background:var(--card);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:34px 28px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-num{font-family:"Inter",monospace;font-variant-numeric:tabular-nums;font-size:clamp(26px,2.6vw,36px);font-weight:600;line-height:1;color:var(--ink)}
.stat-num small{font-size:14px;font-weight:500;color:var(--gold-deep);margin-left:4px}
.stat-label{margin-top:10px;font-size:13px;color:var(--muted);letter-spacing:.04em}

/* ============ 板块标题 ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:36px;flex-wrap:wrap}
.sec-kicker{font-size:12px;letter-spacing:.18em;color:var(--gold-deep);margin-bottom:12px;font-weight:500}
.sec-title{font-size:clamp(24px,2.5vw,34px);line-height:1.3}
.sec-desc{font-size:15px;color:var(--muted);max-width:46ch;line-height:1.85}

/* ============ 时间线 ============ */
.timeline{max-width:800px}
.tl-item{display:grid;grid-template-columns:132px 1fr;gap:0;align-items:start}
.tl-date{position:relative;text-align:right;padding:2px 32px 0 0}
.tl-date .d-num{font-family:"Inter",monospace;font-variant-numeric:tabular-nums;font-size:13px;letter-spacing:.08em;color:var(--muted);display:block}
.tl-date .d-day{font-family:"Inter",monospace;font-variant-numeric:tabular-nums;font-size:20px;font-weight:600;color:var(--ink);line-height:1.3;display:block;margin-top:2px}
.tl-date::after{
  content:"";position:absolute;right:-5px;top:10px;width:10px;height:10px;border-radius:50%;
  background:var(--gold);transition:transform .18s var(--ease);
}
.tl-item:hover .tl-date::after{transform:scale(1.35)}
.tl-item.done .tl-date::after{background:transparent;border:1.5px solid var(--gold)}
.tl-body{border-left:1px solid var(--line);padding:0 0 38px 32px}
.tl-item:last-child .tl-body{padding-bottom:0}
.tl-body h3{font-size:19px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.tl-body p{margin-top:8px;font-size:15px;color:var(--muted);line-height:1.85;max-width:52ch}

/* ============ 嘉宾亮点 ============ */
.feature{display:grid;grid-template-columns:1.05fr 1fr;gap:24px;align-items:stretch}
.card-base{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);overflow:hidden;
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.card-base:hover{transform:translateY(-2px);border-color:var(--gold);box-shadow:var(--shadow-lift)}
.feature-main{display:flex;flex-direction:column}
.feature-main .media{position:relative;background:var(--paper-2)}
.feature-main .media img{width:100%;aspect-ratio:3/4}
.feature-main .media .badge{position:absolute;left:16px;top:16px}
.feature-main .body{padding:26px 26px 28px}
.feature-main h3{font-size:24px}
.feature-main .role{font-size:13px;letter-spacing:.1em;color:var(--gold-deep);margin-top:6px}
.feature-main p{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.85}
.feature-side{display:grid;grid-template-rows:repeat(3,1fr);gap:24px}
.feature-mini{display:grid;grid-template-columns:104px 1fr;align-items:stretch}
.feature-mini .media{background:var(--paper-2);overflow:hidden}
.feature-mini .media img{width:104px;height:100%}
.feature-mini .body{padding:16px 18px;display:flex;flex-direction:column;justify-content:center}
.feature-mini h4{font-family:"Noto Serif SC",serif;font-size:17px;font-weight:700}
.feature-mini .role{font-size:12px;letter-spacing:.08em;color:var(--gold-deep);margin-top:2px}
.feature-mini p{font-size:13px;color:var(--muted);line-height:1.75;margin-top:8px}

/* ============ 图文交替 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0;border-top:1px solid var(--line)}
.split:first-of-type{border-top:0;padding-top:0}
.split-media{border-radius:var(--r-img);overflow:hidden;background:var(--paper-2);border:1px solid var(--line)}
.split-media img{width:100%;aspect-ratio:4/3}
.split-body .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.split-body h3{font-size:clamp(22px,2.2vw,28px);line-height:1.35}
.split-body p{margin-top:16px;font-size:15px;color:var(--muted);line-height:1.9}
.split-body ul{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.split-body li{position:relative;padding-left:22px;font-size:15px;color:var(--ink-2)}
.split-body li::before{content:"—";position:absolute;left:0;color:var(--gold)}
.split.reverse .split-media{order:2}

/* ============ 票种 ============ */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.tier{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px 28px;display:flex;flex-direction:column;
  box-shadow:var(--shadow-card);
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.tier:hover{transform:translateY(-2px);border-color:var(--gold);box-shadow:var(--shadow-lift)}
.tier.recommended{border-top:2px solid var(--gold);position:relative}
.tier .tier-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.tier h3{font-size:20px}
.tier .price{font-family:"Inter",monospace;font-variant-numeric:tabular-nums;font-size:34px;font-weight:600;line-height:1.2;margin-top:14px}
.tier .price small{font-size:14px;color:var(--muted);font-weight:400;margin-left:4px}
.tier .tier-note{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.7}
.tier .perks{margin-top:22px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:12px;flex:1}
.tier .perks li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.7}
.tier .perks i{color:var(--gold-deep);font-size:12px;margin-top:7px}
.tier .btn{margin-top:26px}

/* ============ 最新信息 ============ */
.news-list{border-top:1px solid var(--line)}
.news-row{
  display:grid;grid-template-columns:1fr 210px;gap:24px;align-items:center;
  padding:24px 18px;border-bottom:1px solid var(--line);
  transition:background .18s var(--ease),padding-left .18s var(--ease);
}
.news-row:hover{background:var(--paper-2);padding-left:26px}
.news-row h3{font-size:18px;line-height:1.55}
.news-row p{
  margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;flex-direction:column;align-items:flex-end;gap:10px;text-align:right}
.news-meta time{font-size:12px;letter-spacing:.08em;color:var(--muted);font-family:"Inter",monospace}
.news-meta .arrow{color:var(--gold-deep);font-size:13px}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);
  padding:52px 28px;text-align:center;background:var(--card);
}
.empty-state i{font-size:26px;color:var(--gold);opacity:.7}
.empty-state p{margin-top:14px;font-size:15px;color:var(--muted)}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  cursor:pointer;list-style:none;font-size:16px;font-weight:500;color:var(--ink);
  padding:14px 0;transition:color .18s var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--gold-deep)}
.faq .plus{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform .18s var(--ease);
}
.faq .plus::before,.faq .plus::after{
  content:"";position:absolute;background:var(--gold-deep);border-radius:1px;
}
.faq .plus::before{left:0;top:10px;width:22px;height:1.5px}
.faq .plus::after{top:0;left:10px;width:1.5px;height:22px}
.faq details[open] .plus{transform:rotate(45deg)}
.faq .ans{padding:0 0 24px;font-size:15px;line-height:1.85;color:var(--muted);max-width:74ch}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--ink);color:#fff;border-radius:var(--r-card);
  padding:56px;display:flex;align-items:center;justify-content:space-between;gap:40px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  border:1px solid rgba(217,151,43,.35);border-radius:50%;
}
.cta-band h2{font-size:clamp(24px,2.6vw,32px);color:#fff;line-height:1.35;position:relative;z-index:1}
.cta-band p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.68);max-width:48ch;line-height:1.85;position:relative;z-index:1}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;flex:0 0 auto}

/* ============ 页脚 ============ */
.footer{border-top:1px solid var(--line);background:var(--paper);margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:56px 0 40px}
.footer h4{font-size:14px;letter-spacing:.12em;color:var(--ink);margin-bottom:16px;font-family:"Noto Sans SC",sans-serif;font-weight:700}
.footer p{font-size:14px;color:var(--muted);line-height:1.9}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--muted);transition:color .18s var(--ease),transform .18s var(--ease);display:inline-block}
.footer-links a:hover{color:var(--gold-deep);transform:translateX(2px)}
.footer-brand{display:flex;align-items:center;gap:9px;font-family:"Noto Serif SC",serif;font-size:17px;font-weight:700;margin-bottom:14px}
.footer-brand span.dot{width:8px;height:8px;background:var(--gold)}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--muted);letter-spacing:.04em;
}

/* ============ 入场动画 ============ */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--side:84px}
  .sidebar{padding:24px 12px 18px;align-items:center}
  .sidebar:hover{width:244px;padding:24px 18px 18px;align-items:stretch;box-shadow:var(--shadow-lift)}
  .logo{padding:2px 6px 22px;justify-content:center}
  .sidebar:hover .logo{justify-content:flex-start}
  .logo-text{display:none}
  .sidebar:hover .logo-text{display:block}
  .nav{width:100%;align-items:center}
  .sidebar:hover .nav{align-items:stretch}
  .nav-label{display:none}
  .sidebar:hover .nav-label{display:inline}
  .nav-item{justify-content:center;padding:0;width:44px}
  .sidebar:hover .nav-item{justify-content:flex-start;padding:0 10px;width:auto}
  .side-cta{width:100%;display:flex;justify-content:center}
  .side-cta .btn span{display:none}
  .sidebar:hover .side-cta .btn span{display:inline}
  .side-foot{display:none}
  .sidebar:hover .side-foot{display:block}
}
@media (max-width:1023px){
  :root{--side:0px}
  .mobile-bar{display:flex}
  .sidebar{transform:translateX(-100%);width:280px;padding:76px 18px 20px;align-items:stretch}
  .sidebar.open{transform:none;box-shadow:var(--shadow-lift)}
  .sidebar .logo{justify-content:flex-start;padding:2px 8px 22px}
  .logo-text{display:block}
  .nav{align-items:stretch}
  .nav-label{display:inline}
  .nav-item{justify-content:flex-start;padding:0 10px;width:auto}
  .side-cta{justify-content:flex-start}
  .side-cta .btn span{display:inline}
  .side-foot{display:block}
  .app{padding-left:0;padding-top:64px}
  .container{padding:0 28px}
  .section{padding:64px 0}
  .hero-inner{grid-template-columns:1fr}
  .hero-media{order:-1;min-height:250px;max-height:270px}
  .hero-media::after{background:linear-gradient(180deg,rgba(22,19,15,.15) 0%,rgba(22,19,15,.55) 100%)}
  .hero-copy{padding:44px 28px 48px}
  .hero-meta{margin-top:32px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{border-bottom:1px solid var(--line)}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-last-child(-n+2){border-bottom:0}
  .feature{grid-template-columns:1fr}
  .feature-side{grid-template-rows:none;grid-template-columns:1fr;gap:16px}
  .split{grid-template-columns:1fr;gap:28px;padding:34px 0}
  .split.reverse .split-media{order:0}
  .tiers{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:44px 0 32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .hero-copy{padding:36px 20px 40px}
  .hero-meta div{padding-right:18px;margin-right:18px}
  .hero-meta dt{font-size:10px}
  .hero-meta dd{font-size:13px}
  .news-row{grid-template-columns:1fr;gap:10px;padding:20px 12px}
  .news-row p{display:none}
  .news-meta{flex-direction:row;align-items:center;justify-content:space-between;width:100%}
  .tl-item{grid-template-columns:88px 1fr}
  .tl-date{padding-right:24px}
  .tl-body{padding-left:24px;padding-bottom:32px}
  .sec-head{margin-bottom:26px}
  .cta-band{padding:34px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .feature-main .body{padding:20px}
}
@media (max-width:519px){
  .hero h1{font-size:26px}
  .btn{height:44px;padding:0 18px;font-size:13px}
  .stat{padding:24px 18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --ink:#16130F;--ink-2:#3A342C;--muted:#7C7268;
  --line:rgba(22,19,15,.10);--paper:#FAF7F1;--paper-2:#F2EDE4;--card:#FFFFFF;
  --gold:#D9972B;--gold-deep:#B4761A;--gold-soft:#F3D9A6;--jade:#2E4B45;--danger:#B4462F;
  --r-card:16px;--r-img:12px;--r-btn:8px;--r-input:6px;--r-badge:4px;
  --shadow-1:0 1px 0 var(--line);
  --shadow-2:0 28px 56px -36px rgba(22,19,15,.30);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sidebar-w:244px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"Inter","SF Mono",ui-monospace,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color 180ms var(--ease)}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--gold-deep);outline-offset:3px;border-radius:2px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px}

/* ============ 侧栏 App Shell ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--paper);border-right:1px solid var(--line);
  padding:30px 20px 24px;display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;z-index:60;transition:transform 280ms var(--ease);
}
.brand{display:flex;align-items:flex-start;gap:10px}
.brand .dot{width:8px;height:8px;background:var(--gold);display:block;flex:none;margin-top:9px}
.brand-name{font-family:var(--serif);font-weight:700;font-size:17px;letter-spacing:-.02em;line-height:1.35;color:var(--ink)}
.brand-sub{display:block;font-size:11px;letter-spacing:.14em;color:var(--muted);margin-top:4px;font-weight:400}
.nav{display:flex;flex-direction:column;gap:2px}
.nav-item{
  display:flex;align-items:center;gap:11px;padding:0 10px;height:44px;
  font-size:14px;color:var(--ink-2);border-left:2px solid transparent;
  transition:all 180ms var(--ease);position:relative;
}
.nav-item i{font-size:14px;width:16px;text-align:center;color:var(--muted);transition:color 180ms var(--ease)}
.nav-item:hover{color:var(--ink);border-left-color:var(--gold);transform:translateX(2px)}
.nav-item:hover i{color:var(--gold-deep)}
.nav-item.active{border-left-color:var(--gold);color:var(--ink);font-weight:700}
.nav-item.active i{color:var(--gold-deep)}
.side-rule{height:1px;background:var(--line);margin:2px 0}
.side-cta{
  display:block;text-align:center;background:var(--ink);color:#fff;
  border-radius:var(--r-btn);padding:11px 12px;font-size:14px;font-weight:500;
  transition:all 180ms var(--ease);
}
.side-cta:hover{background:var(--gold-deep);transform:translateY(1px)}
.side-note{font-size:11px;line-height:1.75;color:var(--muted);letter-spacing:.02em;margin-top:auto}
.side-note a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.side-note a:hover{color:var(--gold-deep)}

/* ============ 顶栏（移动端） ============ */
.topbar{display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:70;
  background:rgba(250,247,241,.96);backdrop-filter:saturate(180%) blur(6px);
  border-bottom:1px solid var(--line);align-items:center;justify-content:space-between;padding:0 20px}
.topbar .brand-name{font-size:16px}
.menu-btn{background:transparent;border:1px solid var(--line);border-radius:var(--r-btn);
  height:38px;padding:0 12px;font-size:13px;color:var(--ink);display:inline-flex;align-items:center;gap:7px;
  transition:all 180ms var(--ease)}
.menu-btn:hover{border-color:var(--gold);color:var(--gold-deep)}
.nav-mask{position:fixed;inset:0;background:rgba(22,19,15,.42);opacity:0;pointer-events:none;
  transition:opacity 220ms var(--ease);z-index:55}
.nav-mask.show{opacity:1;pointer-events:auto}

/* ============ 主区域 ============ */
.main{padding-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.main-inner{flex:1;padding:48px 0 88px}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);
  letter-spacing:.04em;margin-bottom:28px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--gold-deep)}
.crumb .sep{color:rgba(22,19,15,.22)}
.crumb .now{color:var(--ink-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头部 ============ */
.article-head{max-width:820px;border-bottom:1px solid var(--line);padding-bottom:28px;margin-bottom:40px}
.badge{display:inline-block;font-size:12px;line-height:1.6;letter-spacing:.08em;
  background:var(--gold-soft);color:var(--gold-deep);border-radius:var(--r-badge);
  padding:2px 9px;margin-bottom:18px}
.badge-jade{background:var(--jade);color:#fff}
.article-title{
  font-family:var(--serif);font-weight:700;font-size:clamp(30px,4vw,48px);
  line-height:1.32;letter-spacing:-.02em;color:var(--ink);margin-bottom:22px;
  overflow-wrap:break-word;word-break:break-word;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13px;
  color:var(--muted);letter-spacing:.06em}
.meta-row i{color:var(--gold-deep);margin-right:6px;font-size:12px}
.meta-row .mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ============ 正文 ============ */
.article-body{max-width:720px;margin:0 auto}
.prose{color:var(--ink-2);font-size:16px;line-height:1.9}
.prose > p{margin:0 0 1.4em}
.prose > p:first-child{font-size:18px;line-height:1.85;color:var(--ink)}
.prose h2{font-family:var(--serif);font-weight:700;font-size:clamp(20px,2.2vw,26px);
  line-height:1.45;color:var(--ink);margin:40px 0 16px;letter-spacing:-.01em}
.prose h3{font-family:var(--serif);font-weight:700;font-size:18px;color:var(--ink);margin:32px 0 12px}
.prose blockquote{
  border-left:3px solid var(--gold);background:var(--paper-2);
  padding:18px 22px;margin:28px 0;color:var(--ink-2);font-size:16px;
  border-radius:0 var(--r-img) var(--r-img) 0;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose ul,.prose ol{list-style:none;margin:0 0 1.4em;padding:0}
.prose li{position:relative;padding-left:22px;margin-bottom:10px}
.prose ul > li::before{content:"—";position:absolute;left:0;top:0;color:var(--gold-deep)}
.prose ol{counter-reset:li}
.prose ol > li{counter-increment:li}
.prose ol > li::before{content:counter(li) ".";position:absolute;left:0;top:0;color:var(--gold-deep);font-family:var(--mono);font-size:13px}
.prose img{border-radius:var(--r-img);margin:28px auto;max-width:100%;height:auto}
.prose figure{margin:28px 0}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;letter-spacing:.04em}
.prose a{color:var(--gold-deep);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--ink)}
.prose strong{color:var(--ink);font-weight:700}
.prose hr{border:none;height:1px;background:var(--line);margin:40px 0}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left}
.prose th{background:var(--paper-2);font-weight:700;color:var(--ink)}

/* 无文章状态 */
.empty-box{
  max-width:720px;margin:0 auto;text-align:center;
  border:1px dashed rgba(22,19,15,.22);border-radius:var(--r-card);
  padding:64px 28px;background:var(--paper-2);
}
.empty-box .ico{width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  background:var(--gold-soft);display:flex;align-items:center;justify-content:center;color:var(--gold-deep);font-size:20px}
.empty-box h2{font-family:var(--serif);font-size:22px;color:var(--ink);margin-bottom:10px}
.empty-box p{color:var(--muted);font-size:15px;margin-bottom:24px}

/* ============ 结尾推荐 ============ */
.article-foot{max-width:820px;margin:72px auto 0;padding-top:40px;border-top:1px solid var(--line)}
.foot-title{font-family:var(--serif);font-weight:700;font-size:clamp(20px,2.4vw,26px);
  color:var(--ink);letter-spacing:-.01em;margin-bottom:8px}
.foot-desc{font-size:14px;color:var(--muted);margin-bottom:24px}
.reco-list{border-top:1px solid var(--line)}
.reco-item{
  display:flex;align-items:center;gap:18px;padding:20px 12px;border-bottom:1px solid var(--line);
  transition:background 180ms var(--ease);
}
.reco-item:hover{background:var(--paper-2)}
.reco-item .idx{font-family:var(--mono);font-size:13px;color:var(--muted);letter-spacing:.08em;flex:none;width:28px}
.reco-item .txt{flex:1;min-width:0}
.reco-item .txt h3{font-family:var(--serif);font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;margin-bottom:4px}
.reco-item .txt p{font-size:13.5px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.reco-item .arrow{flex:none;color:var(--gold-deep);font-size:14px;transition:transform 180ms var(--ease)}
.reco-item:hover .arrow{transform:translateX(4px)}
.article-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;font-weight:500;line-height:1;padding:13px 24px;border-radius:var(--r-btn);
  border:1px solid transparent;transition:all 180ms var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-primary:hover{background:var(--gold-deep);border-color:var(--gold-deep);transform:translateY(1px);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-link{background:none;border:none;color:var(--ink-2);padding:13px 3px;position:relative}
.btn-link::after{content:"";position:absolute;left:3px;right:3px;bottom:10px;height:1px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform 220ms var(--ease)}
.btn-link:hover{color:var(--gold-deep)}
.btn-link:hover::after{transform:scaleX(1)}

/* ============ 页脚 ============ */
.footer{border-top:1px solid var(--line);background:var(--paper);padding:64px 0 28px;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:9px;font-family:var(--serif);font-weight:700;
  font-size:17px;letter-spacing:-.02em;color:var(--ink);margin-bottom:14px}
.footer-brand .dot{width:8px;height:8px;background:var(--gold);display:block}
.footer p{font-size:14px;line-height:1.85;color:var(--muted)}
.footer h4{font-size:13px;letter-spacing:.12em;color:var(--ink);margin-bottom:16px;font-weight:700}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--ink-2);display:inline-block;transition:all 180ms var(--ease)}
.footer-links a:hover{color:var(--gold-deep);transform:translateX(2px)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  border-top:1px solid var(--line);padding-top:22px;font-size:12.5px;color:var(--muted);letter-spacing:.04em}

/* ============ 响应式 ============ */
@media (max-width:1279px) and (min-width:1024px){
  :root{--sidebar-w:84px}
  .sidebar{padding:26px 12px 22px;align-items:center}
  .brand{justify-content:center}
  .brand-text{display:none}
  .brand .dot{margin-top:0}
  .nav{width:100%}
  .nav-item{justify-content:center;padding:0;gap:0}
  .nav-label{display:none}
  .nav-item:hover .nav-label{
    display:block;position:absolute;left:calc(100% + 12px);top:50%;transform:translateY(-50%);
    background:var(--ink);color:#fff;font-size:13px;line-height:1;padding:8px 12px;
    border-radius:var(--r-badge);white-space:nowrap;z-index:90;
  }
  .side-cta{padding:11px 8px;font-size:12px;width:100%}
  .side-note{display:none}
  .container{padding:0 28px}
}
@media (max-width:1023px){
  :root{--sidebar-w:0px}
  .topbar{display:flex}
  .sidebar{
    width:284px;transform:translateX(-100%);box-shadow:var(--shadow-2);
    padding:26px 20px 24px;
  }
  .sidebar.open{transform:translateX(0)}
  .main{padding-left:0;padding-top:64px}
  .main-inner{padding:32px 0 64px}
  .container{padding:0 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-head{padding-bottom:22px;margin-bottom:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .main-inner{padding:26px 0 56px}
  .article-title{font-size:clamp(24px,6.4vw,32px)}
  .meta-row{gap:8px 16px;font-size:12.5px}
  .reco-item{padding:16px 4px;gap:12px;align-items:flex-start}
  .reco-item .txt p{display:none}
  .reco-item .idx{width:22px;padding-top:3px}
  .article-actions{flex-direction:column;align-items:stretch}
  .article-actions .btn{width:100%}
  .footer{padding:48px 0 24px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;gap:6px}
  .prose > p:first-child{font-size:17px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --ink:#16130F;
  --ink-2:#3A342C;
  --muted:#7C7268;
  --line:rgba(22,19,15,.10);
  --paper:#FAF7F1;
  --paper-2:#F2EDE4;
  --card:#FFFFFF;
  --gold:#D9972B;
  --gold-deep:#B4761A;
  --gold-soft:#F3D9A6;
  --jade:#2E4B45;
  --danger:#B4462F;
  --r-card:16px;
  --r-img:12px;
  --r-btn:8px;
  --r-input:6px;
  --r-badge:4px;
  --shadow-card:0 1px 0 var(--line);
  --shadow-hover:0 28px 56px -36px rgba(22,19,15,.30);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sidebar:244px;
  --nav-w:84px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-2);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Songti SC",serif;
  color:var(--ink);
  font-weight:600;
  margin:0;
  line-height:1.35;
  letter-spacing:-.01em;
}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
img{display:block;max-width:100%;object-fit:cover}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--gold-deep);outline-offset:3px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px}
.num,.ep-time,.ep-index,.stat-num{font-family:"Inter","Noto Sans SC",sans-serif;font-variant-numeric:tabular-nums}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar);
  background:var(--card);
  border-right:1px solid var(--line);
  padding:28px 20px 22px;
  display:flex;flex-direction:column;gap:20px;
  overflow-y:auto;overflow-x:hidden;
  z-index:70;
  transition:width .22s var(--ease),padding .22s var(--ease);
}
.brand{display:flex;align-items:center;gap:10px;min-height:38px}
.brand .dot{width:8px;height:8px;background:var(--gold);flex:0 0 8px;border-radius:1px}
.brand-text{display:flex;flex-direction:column;line-height:1.25;white-space:nowrap}
.brand-name{font-family:"Noto Serif SC",serif;font-size:17px;font-weight:700;letter-spacing:-.02em;color:var(--ink)}
.brand-sub{font-size:11px;letter-spacing:.06em;color:var(--muted);margin-top:3px}
.nav{display:flex;flex-direction:column;gap:2px;margin-top:4px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 10px;border-radius:6px;
  font-size:14px;color:var(--ink-2);
  white-space:nowrap;
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.nav-item i{width:16px;text-align:center;font-size:13px;color:var(--muted);transition:color .18s var(--ease)}
.nav-item:hover{color:var(--ink);transform:translateX(2px)}
.nav-item:hover i{color:var(--gold-deep)}
.nav-item.active{color:var(--ink);font-weight:700}
.nav-item.active i{color:var(--gold-deep)}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:2px;background:var(--gold);
}
.sidebar-divider{height:1px;background:var(--line);margin:2px 0}
.sidebar-cta{width:100%;justify-content:center}
.sidebar-foot{margin-top:auto;font-size:11px;line-height:1.7;color:var(--muted);letter-spacing:.02em;white-space:nowrap}

/* ---------- 顶栏（移动端） ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:80;
  background:rgba(250,247,241,.96);
  border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:0 20px;backdrop-filter:blur(6px);
}
.topbar-brand{display:flex;align-items:center;gap:9px;font-family:"Noto Serif SC",serif;font-weight:700;font-size:15px;color:var(--ink)}
.topbar-brand .dot{width:8px;height:8px;background:var(--gold);border-radius:1px;flex:0 0 8px}
.menu-btn{
  width:42px;height:42px;border:1px solid var(--line);background:var(--card);
  border-radius:var(--r-btn);color:var(--ink);font-size:15px;cursor:pointer;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.menu-btn:hover{border-color:var(--gold);color:var(--gold-deep)}
.scrim{
  display:none;position:fixed;inset:0;background:rgba(22,19,15,.38);
  z-index:65;opacity:0;transition:opacity .22s var(--ease);
}
.scrim.is-open{display:block;opacity:1}

/* ---------- 主体 ---------- */
.page-shell{margin-left:var(--sidebar);min-height:100vh;display:flex;flex-direction:column}
.main{flex:1 1 auto}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;line-height:1.2;border:1px solid transparent;
  cursor:pointer;transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
}
.btn i{font-size:13px}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--gold-deep);color:#fff;transform:translateY(1px)}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);padding:12px 4px;position:relative}
.btn-ghost::after{content:"";position:absolute;left:4px;right:4px;bottom:8px;height:1px;background:var(--ink);transform:scaleX(1);transform-origin:left;transition:transform .18s var(--ease),background .18s var(--ease)}
.btn-ghost:hover{color:var(--gold-deep)}
.btn-ghost:hover::after{background:var(--gold-deep)}
.tag{
  display:inline-block;padding:2px 8px;border-radius:var(--r-badge);
  background:var(--gold-soft);color:var(--gold-deep);
  font-size:12px;letter-spacing:.06em;line-height:1.7;
}
.badge{
  display:inline-block;padding:2px 8px;border-radius:var(--r-badge);
  background:var(--paper-2);color:var(--ink-2);
  font-size:12px;letter-spacing:.04em;line-height:1.7;white-space:nowrap;
}
.badge-jade{background:var(--jade);color:#fff}
.eyebrow{
  display:inline-block;font-family:"Inter","Noto Sans SC",sans-serif;
  font-size:12px;letter-spacing:.14em;color:var(--gold-deep);
  text-transform:uppercase;margin-bottom:14px;
}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:64px 0 60px;
  border-bottom:1px solid var(--line);
  background:var(--paper-2);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.20;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,var(--paper) 12%,rgba(250,247,241,.72) 62%,rgba(250,247,241,.4) 100%);
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);letter-spacing:.04em;margin-bottom:26px}
.breadcrumb a:hover{color:var(--gold-deep)}
.breadcrumb .current{color:var(--ink-2)}
.hero-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:48px;align-items:end}
.page-title{
  font-size:clamp(30px,4vw,52px);
  line-height:1.16;letter-spacing:-.02em;margin:16px 0 18px;
}
.lead{font-size:16.5px;line-height:1.95;color:var(--ink-2);max-width:37em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-facts{
  display:grid;grid-template-columns:1fr 1fr;gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
}
.hero-facts>div{background:var(--card);padding:20px 18px;display:flex;flex-direction:column;gap:2px}
.hero-facts .num{font-size:28px;font-weight:600;color:var(--ink);line-height:1.1;letter-spacing:-.02em}
.hero-facts .lbl{font-size:12px;color:var(--muted);letter-spacing:.06em}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:38px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);letter-spacing:-.015em}
.section-note{font-size:14px;color:var(--muted);max-width:30em;line-height:1.8}

/* ---------- 分集列表 ---------- */
.ep-list{border-top:1px solid var(--line)}
.ep-row{
  display:grid;grid-template-columns:64px 1fr 86px 74px;
  align-items:center;gap:24px;
  padding:22px 16px 22px 0;
  border-bottom:1px solid var(--line);
  transition:background .18s var(--ease),padding-left .18s var(--ease);
}
.ep-row:hover{background:var(--paper-2);padding-left:14px}
.ep-index{font-size:14px;color:var(--muted);letter-spacing:.08em}
.ep-title{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:4px}
.ep-title h3{font-size:19px;letter-spacing:-.01em}
.ep-main p{font-size:14.5px;color:var(--muted);line-height:1.8}
.ep-time{font-size:14px;color:var(--ink-2);letter-spacing:.06em;text-align:right}
.ep-link{
  justify-self:end;font-size:13.5px;color:var(--gold-deep);
  display:inline-flex;align-items:center;gap:6px;letter-spacing:.04em;
}
.ep-link i{font-size:11px;transition:transform .18s var(--ease)}
.ep-row:hover .ep-link i{transform:translateX(3px)}

/* ---------- 数据分栏 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.check-list{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.check-list li{position:relative;padding-left:22px;font-size:15px;color:var(--ink-2);line-height:1.85}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;width:10px;height:1px;background:var(--gold);
}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--shadow-card);
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.stat:hover{transform:translateY(-2px);border-color:var(--gold);box-shadow:var(--shadow-hover)}
.stat-num{display:block;font-size:30px;font-weight:600;color:var(--ink);line-height:1.1;letter-spacing:-.02em}
.stat-num small{font-size:13px;font-weight:400;color:var(--muted);margin-left:4px;letter-spacing:0}
.stat-lbl{display:block;margin-top:8px;font-size:13px;color:var(--muted);letter-spacing:.04em}

/* ---------- 图文交替 ---------- */
.media-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:36px 0}
.media-row + .media-row{border-top:1px solid var(--line)}
.media-row.reverse .media-figure{order:2}
.media-figure{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  background:var(--paper-2);border:1px solid var(--line);
  aspect-ratio:4/3;
}
.media-figure img{width:100%;height:100%}
.media-figure::after{
  content:"";position:absolute;inset:0;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.24);pointer-events:none;
}
.media-body h3{font-size:22px;margin-bottom:14px;letter-spacing:-.01em}
.media-body p{font-size:15px;line-height:1.95;color:var(--ink-2)}
.media-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  min-height:56px;display:flex;align-items:center;
  padding:16px 52px 16px 0;
  font-size:16px;font-weight:500;color:var(--ink);
  transition:color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-family:"Inter",sans-serif;font-size:20px;font-weight:400;color:var(--gold-deep);
  transition:transform .18s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item summary:hover{color:var(--gold-deep)}
.faq-body{padding:0 52px 20px 0;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:#fff;border-radius:var(--r-card);padding:48px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);letter-spacing:-.01em}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin-top:10px;max-width:34em;line-height:1.85}
.cta-band .btn-primary{background:var(--gold);color:var(--ink)}
.cta-band .btn-primary:hover{background:#fff;color:var(--ink)}
.cta-band .btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
.cta-band .btn-outline:hover{background:#fff;color:var(--ink);border-color:#fff}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.footer{border-top:1px solid var(--line);background:var(--paper);padding:64px 0 30px;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:9px;font-family:"Noto Serif SC",serif;font-size:17px;font-weight:700;color:var(--ink);margin-bottom:14px}
.footer-brand .dot{width:8px;height:8px;background:var(--gold);border-radius:1px;flex:0 0 8px}
.footer p{font-size:14px;line-height:1.9;color:var(--muted)}
.footer h4{font-size:14px;font-family:"Noto Sans SC",sans-serif;font-weight:700;color:var(--ink);letter-spacing:.04em;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--ink-2)}
.footer-links a:hover{color:var(--gold-deep)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--muted);letter-spacing:.03em;
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (min-width:1024px) and (max-width:1279px){
  .sidebar{width:var(--nav-w);padding:24px 12px}
  .sidebar:hover{width:var(--sidebar);padding:24px 20px;box-shadow:var(--shadow-hover)}
  .brand-name,.brand-sub,.nav-label,.sidebar-cta .btn-text,.sidebar-foot{opacity:0;transition:opacity .16s var(--ease)}
  .sidebar:hover .brand-name,.sidebar:hover .brand-sub,.sidebar:hover .nav-label,
  .sidebar:hover .sidebar-cta .btn-text,.sidebar:hover .sidebar-foot{opacity:1}
  .page-shell{margin-left:var(--nav-w)}
  .nav-item{justify-content:flex-start}
}
@media (max-width:1023px){
  .topbar{display:flex}
  .sidebar{transform:translateX(-100%);width:280px;transition:transform .22s var(--ease);box-shadow:none}
  .sidebar.is-open{transform:none;box-shadow:var(--shadow-hover)}
  .page-shell{margin-left:0;padding-top:64px}
  .container{padding:0 28px}
  .hero-grid{grid-template-columns:1fr;gap:34px;align-items:start}
  .page-hero{padding:48px 0 44px}
  .section{padding:72px 0}
  .split{grid-template-columns:1fr;gap:36px}
  .media-row{grid-template-columns:1fr;gap:24px;padding:28px 0}
  .media-row.reverse .media-figure{order:0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .ep-row{grid-template-columns:44px 1fr auto;gap:14px;padding:18px 0}
  .ep-time{display:none}
  .ep-row:hover{padding-left:0}
  .ep-index{font-size:13px}
  .ep-title h3{font-size:17px}
  .ep-main p{font-size:13.5px}
  .stat-grid{gap:12px}
  .stat{padding:20px 16px}
  .stat-num{font-size:25px}
  .hero-facts>div{padding:16px 14px}
  .hero-facts .num{font-size:24px}
  .footer{padding:48px 0 24px}
  .footer-bottom{flex-direction:column;gap:8px}
  .cta-band{padding:32px 22px}
  .faq-body{padding-right:16px}
}
@media (max-width:519px){
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .hero-actions .btn{width:100%}
  .btn{padding:11px 18px}
  .ep-row{grid-template-columns:36px 1fr;gap:12px}
  .ep-link{display:none}
  .page-title{font-size:28px}
}

/* roulang page: category2 */
:root{
  --ink:#16130F;
  --ink-2:#3A342C;
  --muted:#7C7268;
  --line:rgba(22,19,15,.10);
  --paper:#FAF7F1;
  --paper-2:#F2EDE4;
  --card:#FFFFFF;
  --gold:#D9972B;
  --gold-deep:#B4761A;
  --gold-soft:#F3D9A6;
  --jade:#2E4B45;
  --danger:#B4462F;
  --r-card:16px;
  --r-img:12px;
  --r-btn:8px;
  --r-badge:4px;
  --shadow-1:0 1px 0 var(--line);
  --shadow-2:0 28px 56px -36px rgba(22,19,15,.30);
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif:"Noto Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"Inter","Helvetica Neue",Arial,sans-serif;
  --sidebar-w:244px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.9;font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;color:var(--ink);margin:0;letter-spacing:-.01em;line-height:1.35}
p{margin:0 0 1.2em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}

/* ---------- 侧边导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;
  background:var(--card);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:28px 18px 22px;
  overflow-y:auto;z-index:60;transition:width .18s var(--ease),transform .18s var(--ease);
}
.brand{display:flex;align-items:flex-start;gap:10px;padding:0 8px 22px;border-bottom:1px solid var(--line)}
.brand .dot{width:8px;height:8px;background:var(--gold);flex:none;margin-top:7px}
.brand-main{font-family:var(--serif);font-weight:700;font-size:16px;letter-spacing:-.02em;line-height:1.35;color:var(--ink);white-space:nowrap}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.10em;line-height:1.5;margin-top:3px;white-space:nowrap}
.nav{display:flex;flex-direction:column;gap:2px;margin-top:18px}
.nav-item{
  display:flex;align-items:center;gap:12px;height:44px;padding:0 10px;
  font-size:14px;color:var(--ink-2);border-left:2px solid transparent;
  transition:color .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
}
.nav-item i{width:18px;text-align:center;font-size:13px;color:var(--muted);transition:color .18s var(--ease)}
.nav-item:hover{color:var(--ink);transform:translateX(2px);border-left-color:var(--gold)}
.nav-item:hover i{color:var(--gold-deep)}
.nav-item.active{color:var(--ink);font-weight:600;border-left-color:var(--gold)}
.nav-item.active i{color:var(--gold-deep)}
.sidebar-rule{height:1px;background:var(--line);margin:18px 8px}
.sidebar-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:42px;margin:0 4px;background:var(--ink);color:#fff;border-radius:var(--r-btn);
  font-size:13px;font-weight:500;letter-spacing:.02em;transition:background .18s var(--ease),transform .18s var(--ease);
}
.sidebar-cta:hover{background:var(--gold-deep);transform:translateY(1px)}
.sidebar-foot{margin-top:auto;padding:18px 8px 0;font-size:11px;line-height:1.7;color:var(--muted);letter-spacing:.03em}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:70;
  background:var(--card);border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 20px;
}
.topbar .brand{padding:0;border:0}
.menu-toggle{
  width:42px;height:42px;border:1px solid var(--line);background:transparent;
  border-radius:var(--r-btn);color:var(--ink);font-size:16px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:border-color .18s var(--ease),color .18s var(--ease);
}
.menu-toggle:hover{border-color:var(--gold);color:var(--gold-deep)}
.scrim{
  display:none;position:fixed;inset:0;background:rgba(22,19,15,.42);z-index:55;
}
.scrim.show{display:block}

/* ---------- 主内容 ---------- */
.main{margin-left:var(--sidebar-w);min-height:100vh}
.container{max-width:1240px;margin:0 auto;padding:0 40px}
.section{padding:72px 0}
.section + .section{border-top:1px solid var(--line)}
.section-head{margin-bottom:32px;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);
  font-size:12px;letter-spacing:.16em;color:var(--gold-deep);text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--gold)}
.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.3}
.section-lead{margin-top:14px;color:var(--ink-2);font-size:15.5px;max-width:680px}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.04em;color:var(--muted);
}
.crumb a{color:var(--muted);transition:color .18s var(--ease)}
.crumb a:hover{color:var(--gold-deep)}
.crumb .sep{color:rgba(22,19,15,.28)}
.crumb .current{color:var(--ink);font-weight:500}

/* ---------- 页面首屏 ---------- */
.page-hero{
  position:relative;padding:88px 0 80px;color:#fff;
  background-color:var(--ink);
  background-image:linear-gradient(100deg,rgba(22,19,15,.94) 0%,rgba(22,19,15,.82) 46%,rgba(22,19,15,.48) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero .crumb{color:rgba(255,255,255,.62)}
.page-hero .crumb a{color:rgba(255,255,255,.62)}
.page-hero .crumb a:hover{color:var(--gold-soft)}
.page-hero .crumb .current{color:var(--gold-soft)}
.page-hero .crumb .sep{color:rgba(255,255,255,.28)}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4vw,52px);line-height:1.22;letter-spacing:-.02em;
  margin:22px 0 0;max-width:820px;
}
.page-hero h1 .accent{color:var(--gold-soft)}
.hero-lead{margin-top:20px;max-width:660px;color:rgba(255,255,255,.80);font-size:16px}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:32px;margin-top:34px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-meta div{min-width:110px}
.hero-meta dt{font-size:12px;letter-spacing:.14em;color:rgba(255,255,255,.55);font-family:var(--mono)}
.hero-meta dd{margin:4px 0 0;font-size:15px;color:#fff;font-weight:500}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:14px;font-weight:500;letter-spacing:.02em;cursor:pointer;
  border:1px solid transparent;transition:all .18s var(--ease);
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--gold-deep);transform:translateY(1px)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--gold-soft);transform:translateY(1px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;
  color:var(--gold-deep);position:relative;padding-bottom:2px;
}
.btn-ghost::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
  background:var(--gold-deep);transform:scaleX(0);transform-origin:left;
  transition:transform .18s var(--ease);
}
.btn-ghost:hover::after{transform:scaleX(1)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-block;padding:2px 8px;border-radius:var(--r-badge);
  background:var(--gold-soft);color:var(--gold-deep);
  font-size:12px;letter-spacing:.06em;line-height:1.8;
}
.badge-jade{background:var(--jade);color:#fff}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--ink-2)}

/* ---------- 人物档案 ---------- */
.profile-list{display:flex;flex-direction:column;gap:0}
.profile{
  display:grid;grid-template-columns:320px 1fr;gap:44px;
  padding:44px 0;border-top:1px solid var(--line);
}
.profile:first-child{border-top:1px solid var(--line);padding-top:0}
.profile-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  background:var(--paper-2);border:1px solid var(--line);aspect-ratio:3/4;
}
.profile-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.profile:hover .profile-media img{transform:scale(1.03)}
.profile-media .stamp{
  position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);
  border:1px solid var(--line);border-radius:var(--r-badge);
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--ink-2);
  padding:2px 8px;
}
.profile-head{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap}
.profile-no{
  font-family:var(--mono);font-size:13px;letter-spacing:.16em;color:var(--gold-deep);
  border:1px solid var(--gold-soft);border-radius:var(--r-badge);padding:1px 7px;
}
.profile-name{font-size:clamp(24px,2.6vw,32px);letter-spacing:-.01em}
.profile-role{margin-top:10px;font-size:14px;color:var(--jade);letter-spacing:.02em}
.profile-body p{color:var(--ink-2);font-size:15.5px;margin-top:14px}
.profile-facts{
  display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:22px;padding-top:18px;
  border-top:1px dashed var(--line);
}
.profile-facts div{font-size:13px;color:var(--muted);letter-spacing:.02em}
.profile-facts strong{display:block;font-family:var(--mono);font-size:14px;color:var(--ink);font-weight:600;letter-spacing:.02em;margin-top:2px}

/* ---------- 阵容小卡 ---------- */
.ensemble{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}
.ensemble-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.ensemble-item:hover{transform:translateY(-2px);border-color:var(--gold);box-shadow:var(--shadow-2)}
.ensemble-item .num{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.14em}
.ensemble-item h3{font-size:18px;margin-top:8px}
.ensemble-item p{font-size:13.5px;color:var(--muted);margin:8px 0 0;line-height:1.8}

/* ---------- 幕后名单 ---------- */
.crew-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 56px;margin-top:8px}
.crew-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:20px;
  padding:16px 0;border-bottom:1px solid var(--line);
}
.crew-row span:first-child{font-size:14px;color:var(--muted);letter-spacing:.04em}
.crew-row span:last-child{font-family:var(--serif);font-size:17px;color:var(--ink);font-weight:600}

/* ---------- 手记引用 ---------- */
.note-band{
  display:grid;grid-template-columns:1fr 380px;gap:48px;align-items:center;
  background:var(--paper-2);border-radius:var(--r-card);padding:44px;
}
.note-quote{
  border-left:3px solid var(--gold);padding-left:24px;
  font-family:var(--serif);font-size:clamp(18px,2vw,23px);line-height:1.75;color:var(--ink);
}
.note-quote cite{
  display:block;margin-top:18px;font-family:var(--sans);font-style:normal;
  font-size:13px;color:var(--muted);letter-spacing:.06em;
}
.note-band figure{margin:0;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:var(--card)}
.note-band img{width:100%;aspect-ratio:4/3;object-fit:cover}
.note-band figcaption{font-size:12.5px;color:var(--muted);padding:10px 12px;line-height:1.7}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:56px;padding:16px 4px;cursor:pointer;list-style:none;
  font-size:16px;color:var(--ink);font-weight:500;transition:color .18s var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";font-family:var(--mono);font-size:20px;line-height:1;color:var(--gold-deep);
  transition:transform .18s var(--ease);flex:none;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq summary:hover{color:var(--gold-deep)}
.faq .faq-body{padding:0 4px 22px;font-size:15px;line-height:1.85;color:var(--muted);max-width:820px}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);border-radius:var(--r-card);padding:56px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px)}
.cta-band p{color:rgba(255,255,255,.72);margin:12px 0 0;font-size:15px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.footer{border-top:1px solid var(--line);background:var(--paper);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{
  font-family:var(--serif);font-weight:700;font-size:17px;display:flex;align-items:center;gap:8px;
  margin-bottom:14px;
}
.footer .dot{width:8px;height:8px;background:var(--gold);display:inline-block}
.footer p{font-size:14px;color:var(--muted);line-height:1.85;margin:0}
.footer h4{font-size:13px;font-family:var(--sans);letter-spacing:.12em;color:var(--ink);margin-bottom:16px;font-weight:600}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--muted);transition:color .18s var(--ease)}
.footer-links a:hover{color:var(--gold-deep)}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--muted);letter-spacing:.03em;
}

/* ---------- 动画 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (min-width:1024px) and (max-width:1279px){
  .sidebar{width:84px;padding-left:12px;padding-right:12px;overflow:hidden}
  .sidebar:hover{width:244px;box-shadow:var(--shadow-2);padding-left:18px;padding-right:18px}
  .sidebar .brand-text,.sidebar .nav-label,.sidebar .sidebar-foot,.sidebar .sidebar-cta span{opacity:0;transition:opacity .18s var(--ease)}
  .sidebar:hover .brand-text,.sidebar:hover .nav-label,.sidebar:hover .sidebar-foot,.sidebar:hover .sidebar-cta span{opacity:1}
  .sidebar .sidebar-cta{padding:0}
  .main{margin-left:84px}
}
@media (max-width:1023px){
  .topbar{display:flex}
  .sidebar{width:262px;transform:translateX(-100%);padding-top:24px;box-shadow:var(--shadow-2)}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0;padding-top:64px}
  .container{padding:0 28px}
  .page-hero{padding:56px 0 52px}
  .profile{grid-template-columns:260px 1fr;gap:32px}
  .note-band{grid-template-columns:1fr;gap:32px;padding:36px}
  .note-band figure{max-width:420px}
  .ensemble{grid-template-columns:repeat(2,1fr)}
  .crew-grid{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:40px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .profile{grid-template-columns:1fr;gap:24px}
  .profile-media{max-width:320px;aspect-ratio:3/4}
  .ensemble{grid-template-columns:1fr}
  .hero-meta{gap:20px}
  .cta-band{padding:32px 24px}
  .note-band{padding:28px 22px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .page-hero h1{font-size:28px}
  .hero-actions .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --ink:#16130F;
  --ink-2:#3A342C;
  --muted:#7C7268;
  --line:rgba(22,19,15,.10);
  --paper:#FAF7F1;
  --paper-2:#F2EDE4;
  --card:#FFFFFF;
  --gold:#D9972B;
  --gold-deep:#B4761A;
  --gold-soft:#F3D9A6;
  --jade:#2E4B45;
  --danger:#B4462F;
  --r-card:16px;
  --r-img:12px;
  --r-btn:8px;
  --r-badge:4px;
  --shadow-1:0 1px 0 var(--line);
  --shadow-2:0 28px 56px -36px rgba(22,19,15,.30);
  --ease:cubic-bezier(.22,.61,.36,1);
  --side:244px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-2);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:"Noto Serif SC","Songti SC",serif;color:var(--ink);margin:0;font-weight:600;line-height:1.3}
p{margin:0}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
.num{font-family:"Inter",sans-serif;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.container{max-width:1240px;margin:0 auto;padding:0 40px}
:focus-visible{outline:2px solid var(--gold-deep);outline-offset:3px;border-radius:var(--r-badge)}

/* ============ 侧栏 App Shell ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side);z-index:60;
  background:var(--card);border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:18px;
  padding:28px 20px 22px;
  overflow-y:auto;
  transition:transform .24s var(--ease),width .24s var(--ease);
}
.brand{display:flex;align-items:center;gap:10px;padding-bottom:4px}
.brand .dot{width:8px;height:8px;background:var(--gold);border-radius:1px;flex:none}
.brand-text{display:flex;flex-direction:column;gap:2px;min-width:0}
.brand-main{font-family:"Noto Serif SC",serif;font-size:16px;font-weight:700;letter-spacing:-.02em;color:var(--ink);white-space:nowrap}
.brand-sub{font-size:11px;letter-spacing:.06em;color:var(--muted);white-space:nowrap}
.nav{display:flex;flex-direction:column;gap:2px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 10px;border-radius:6px;
  font-size:14px;color:var(--muted);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-item i{width:18px;text-align:center;font-size:14px;flex:none}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:0;background:var(--gold);border-radius:2px;
  transition:height .18s var(--ease);
}
.nav-item:hover{color:var(--ink);background:var(--paper)}
.nav-item:hover::before{height:18px}
.nav-item:hover .nav-label{transform:translateX(2px)}
.nav-label{transition:transform .18s var(--ease);white-space:nowrap}
.nav-item.active{color:var(--ink);font-weight:700}
.nav-item.active::before{height:24px}
.side-sep{height:1px;background:var(--line);margin:4px 0}
.side-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;background:var(--ink);color:#fff;border-radius:var(--r-btn);
  font-size:14px;font-weight:500;transition:background .18s var(--ease),transform .18s var(--ease);
}
.side-cta:hover{background:var(--gold-deep);transform:translateY(1px)}
.side-foot{margin-top:auto;font-size:11px;line-height:1.7;color:var(--muted);letter-spacing:.04em}
.shell-main{margin-left:var(--side);min-height:100vh}

/* ============ 移动端顶栏与抽屉 ============ */
.topbar{
  display:none;position:sticky;top:0;z-index:70;height:64px;
  background:rgba(250,247,241,.96);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 20px;
}
.topbar .brand-main{font-size:15px}
.nav-toggle{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--card);border-radius:var(--r-btn);
  color:var(--ink);cursor:pointer;transition:border-color .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--gold)}
.drawer-mask{
  display:none;position:fixed;inset:0;background:rgba(22,19,15,.42);z-index:55;
  opacity:0;pointer-events:none;transition:opacity .2s var(--ease);
}
.drawer-mask.show{opacity:1;pointer-events:auto}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--gold-deep);transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-light{background:var(--card);color:var(--ink);border-color:var(--line)}
.btn-light:hover{border-color:var(--gold);color:var(--gold-deep)}
.link-underline{position:relative;font-size:14px;color:var(--ink)}
.link-underline::after{
  content:"";position:absolute;left:0;bottom:-3px;width:100%;height:1px;background:var(--gold-deep);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.link-underline:hover::after{transform:scaleX(1)}

/* ============ 徽章与标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:2px 8px;border-radius:var(--r-badge);
  background:var(--gold-soft);color:var(--gold-deep);
  font-size:12px;letter-spacing:.04em;line-height:1.7;
}
.badge-jade{background:var(--jade);color:#fff}
.kicker{
  font-size:13px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;
}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);letter-spacing:.04em}
.crumb a{transition:color .18s var(--ease)}
.crumb a:hover{color:var(--gold-deep)}
.crumb .sep{opacity:.5}
.crumb [aria-current]{color:var(--ink)}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.page-hero .hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(22,19,15,.90) 0%,rgba(22,19,15,.74) 46%,rgba(22,19,15,.36) 100%);
}
.hero-inner{position:relative;z-index:2;padding:56px 40px 60px;max-width:1240px;margin:0 auto;color:#fff}
.hero-inner .crumb,.hero-inner .crumb a,.hero-inner .crumb [aria-current]{color:rgba(255,255,255,.72)}
.hero-inner .crumb [aria-current]{color:#fff}
.hero-inner .crumb a:hover{color:var(--gold-soft)}
.hero-inner h1{
  color:#fff;font-size:clamp(30px,4vw,52px);letter-spacing:-.02em;line-height:1.2;
  margin:18px 0 16px;max-width:820px;
}
.hero-lead{max-width:640px;font-size:16px;line-height:1.95;color:rgba(255,255,255,.82)}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.18);
}
.hero-meta .m{display:flex;flex-direction:column;gap:2px}
.hero-meta .m span{font-size:11px;letter-spacing:.14em;color:rgba(255,255,255,.55)}
.hero-meta .m strong{font-size:15px;font-weight:500;color:#fff;letter-spacing:.02em}

/* ============ 板块 ============ */
.section{padding:72px 0}
.section-tight{padding:52px 0}
.section-head{max-width:720px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);letter-spacing:-.01em;margin-bottom:12px}
.section-head p{color:var(--muted);font-size:15px}
.eyebrow{display:flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.16em;color:var(--muted);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--gold)}
.rule{height:1px;background:var(--line);position:relative}
.rule::after{content:"";position:absolute;left:0;top:0;width:64px;height:1px;background:var(--gold)}

/* ============ 通栏大图 ============ */
.wide-figure{margin:0}
.wide-figure .frame{
  position:relative;border-radius:var(--r-card);overflow:hidden;background:var(--paper-2);
  border:1px solid var(--line);
}
.wide-figure img{width:100%;height:clamp(280px,44vw,520px);object-fit:cover}
.wide-figure figcaption{
  display:flex;flex-wrap:wrap;gap:10px 18px;align-items:baseline;
  font-size:13px;color:var(--muted);margin-top:14px;line-height:1.8;
}
.wide-figure figcaption .tag{color:var(--gold-deep);letter-spacing:.06em}

/* 数据条 */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:44px;
}
.stats .stat{padding:26px 22px 24px;border-right:1px solid var(--line)}
.stats .stat:last-child{border-right:none}
.stats .stat b{display:block;font-family:"Inter",sans-serif;font-size:clamp(28px,3.2vw,40px);font-weight:600;color:var(--ink);letter-spacing:-.02em;line-height:1.1}
.stats .stat span{display:block;margin-top:8px;font-size:13px;color:var(--muted);letter-spacing:.04em}

/* ============ 图文交替 ============ */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:56px 0}
.zig.rev .zig-media{order:2}
.zig-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--paper-2)}
.zig-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s var(--ease)}
.zig-media:hover img{transform:scale(1.02)}
.zig-body h3{font-size:clamp(20px,2.1vw,26px);margin-bottom:14px;letter-spacing:-.01em}
.zig-body p{color:var(--ink-2);font-size:15.5px;line-height:1.95;margin-bottom:14px}
.zig-body .note{
  border-left:3px solid var(--gold);background:var(--paper-2);
  padding:14px 18px;border-radius:0 8px 8px 0;font-size:14px;color:var(--ink-2);line-height:1.9;
}
.meta-line{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}

/* ============ 现场分工 行列表 ============ */
.craft-list{border-top:1px solid var(--line)}
.craft-row{
  display:grid;grid-template-columns:88px 168px 1fr auto;gap:24px;align-items:center;
  padding:24px 8px;border-bottom:1px solid var(--line);
  transition:background .18s var(--ease);
}
.craft-row:hover{background:var(--paper-2)}
.craft-row .no{font-family:"Inter",sans-serif;font-size:13px;color:var(--muted);letter-spacing:.08em}
.craft-row .who{font-family:"Noto Serif SC",serif;font-size:17px;color:var(--ink);font-weight:600}
.craft-row .what{font-size:14.5px;color:var(--ink-2);line-height:1.85}
.craft-row .tool{font-size:12px;color:var(--muted);letter-spacing:.06em;white-space:nowrap}

/* ============ FAQ ============ */
.faq-wrap{border-top:1px solid var(--line);max-width:920px}
.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:20px;
  min-height:56px;padding:6px 0;font-family:"Noto Serif SC",serif;font-size:17px;color:var(--ink);
  transition:color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--gold-deep)}
.faq-item summary .plus{
  position:relative;width:16px;height:16px;flex:none;transition:transform .22s var(--ease);
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";position:absolute;background:var(--muted);border-radius:1px;
}
.faq-item summary .plus::before{left:0;top:7px;width:16px;height:1.5px}
.faq-item summary .plus::after{left:7px;top:0;width:1.5px;height:16px}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-item .answer{padding:0 0 22px;font-size:15px;line-height:1.9;color:var(--muted);max-width:780px}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--ink);color:#fff;border-radius:var(--r-card);
  padding:46px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);letter-spacing:-.01em;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.72);font-size:14.5px;max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-primary{background:var(--gold);color:var(--ink)}
.cta-band .btn-primary:hover{background:var(--gold-soft)}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.cta-band .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ============ 页脚 ============ */
.footer{border-top:1px solid var(--line);padding:64px 0 26px;background:var(--paper)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{
  display:flex;align-items:center;gap:10px;font-family:"Noto Serif SC",serif;
  font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.02em;margin-bottom:14px;
}
.footer-brand .dot{width:8px;height:8px;background:var(--gold);border-radius:1px}
.footer p{font-size:13.5px;color:var(--muted);line-height:1.9}
.footer h4{font-size:14px;color:var(--ink);margin-bottom:14px;font-family:"Noto Serif SC",serif}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--ink-2);transition:color .18s var(--ease)}
.footer-links a:hover{color:var(--gold-deep)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--muted);letter-spacing:.03em;
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px) and (min-width:1024px){
  :root{--side:84px}
  .sidebar{padding:24px 12px;align-items:center}
  .brand{justify-content:center}
  .brand-text,.side-foot,.side-sep{display:none}
  .nav{width:100%;align-items:center}
  .nav-item{justify-content:center;padding:0;width:44px}
  .nav-label{position:absolute;left:56px;top:50%;transform:translateY(-50%);
    background:var(--ink);color:#fff;font-size:12.5px;padding:4px 10px;border-radius:4px;
    opacity:0;pointer-events:none;white-space:nowrap;transition:opacity .16s var(--ease)}
  .nav-item:hover .nav-label{opacity:1;transform:translateY(-50%)}
  .side-cta{width:44px;padding:0}
  .side-cta span{display:none}
}
@media (max-width:1023px){
  .sidebar{
    width:280px;transform:translateX(-100%);box-shadow:var(--shadow-2);
  }
  .sidebar.open{transform:translateX(0)}
  .drawer-mask{display:block}
  .shell-main{margin-left:0;padding-top:0}
  .topbar{display:flex}
  .container{padding:0 28px}
  .hero-inner{padding:44px 28px 48px}
  .section{padding:60px 0}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats .stat:nth-child(2){border-right:none}
  .stats .stat:nth-child(1),.stats .stat:nth-child(2){border-bottom:1px solid var(--line)}
  .zig{grid-template-columns:1fr;gap:28px;padding:40px 0}
  .zig.rev .zig-media{order:0}
  .craft-row{grid-template-columns:64px 1fr;gap:6px 18px;padding:20px 4px}
  .craft-row .what{grid-column:2}
  .craft-row .tool{grid-column:2;color:var(--muted)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:36px 28px}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .hero-inner{padding:36px 20px 40px}
  .hero-meta{gap:18px}
  .hero-meta .m{min-width:44%}
  .section{padding:48px 0}
  .stats{grid-template-columns:1fr 1fr}
  .stats .stat{padding:20px 14px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column}
  .faq-item summary{font-size:16px}
  .cta-band{padding:30px 22px;gap:24px}
  .btn{width:100%}
  .cta-actions{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category4 */
:root{
    --ink:#16130F;
    --ink-2:#3A342C;
    --muted:#7C7268;
    --line:rgba(22,19,15,.10);
    --paper:#FAF7F1;
    --paper-2:#F2EDE4;
    --card:#FFFFFF;
    --gold:#D9972B;
    --gold-deep:#B4761A;
    --gold-soft:#F3D9A6;
    --jade:#2E4B45;
    --danger:#B4462F;
    --r-card:16px;
    --r-img:12px;
    --r-btn:8px;
    --r-badge:4px;
    --shadow-1:0 1px 0 var(--line);
    --shadow-2:0 28px 56px -36px rgba(22,19,15,.30);
    --ease:180ms cubic-bezier(.22,.61,.36,1);
    --sidebar-w:244px;
    --font-serif:"Noto Serif SC","Songti SC",serif;
    --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
    --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.9;
    font-weight:400;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
  input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  ul,ol{padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:2px}

  /* ---------- 布局骨架 ---------- */
  .sidebar{
    position:fixed;
    top:0;left:0;
    width:var(--sidebar-w);
    height:100vh;
    background:var(--paper-2);
    border-right:1px solid var(--line);
    z-index:60;
    display:flex;
    flex-direction:column;
    transition:transform var(--ease);
  }
  .sidebar-inner{
    display:flex;
    flex-direction:column;
    height:100%;
    padding:28px 20px 20px;
    overflow-y:auto;
  }
  .brand{
    display:flex;
    align-items:flex-start;
    gap:10px;
    padding-bottom:22px;
    border-bottom:1px solid var(--line);
  }
  .brand-mark{
    width:8px;height:8px;
    background:var(--gold);
    margin-top:9px;
    flex:0 0 auto;
  }
  .brand-name{
    display:block;
    font-family:var(--font-serif);
    font-weight:700;
    font-size:17px;
    letter-spacing:-.02em;
    line-height:1.35;
    color:var(--ink);
  }
  .brand-sub{
    display:block;
    font-size:11px;
    letter-spacing:.10em;
    color:var(--muted);
    margin-top:4px;
  }
  .nav{display:flex;flex-direction:column;gap:2px;margin-top:22px}
  .nav-item{
    display:flex;
    align-items:center;
    gap:12px;
    position:relative;
    padding:0 8px 0 14px;
    height:44px;
    font-size:14px;
    color:var(--ink-2);
    border-radius:0;
    transition:color var(--ease),transform var(--ease);
  }
  .nav-item i{width:16px;font-size:13px;color:var(--muted);transition:color var(--ease)}
  .nav-item::before{
    content:"";
    position:absolute;left:0;top:50%;
    transform:translateY(-50%) scaleY(0);
    transform-origin:center;
    width:2px;height:18px;
    background:var(--gold);
    transition:transform var(--ease);
  }
  .nav-item:hover{color:var(--ink);transform:translateX(2px)}
  .nav-item:hover i{color:var(--gold-deep)}
  .nav-item:hover::before{transform:translateY(-50%) scaleY(1)}
  .nav-item.active{color:var(--ink);font-weight:700}
  .nav-item.active i{color:var(--gold-deep)}
  .nav-item.active::before{transform:translateY(-50%) scaleY(1)}
  .sidebar-divider{height:1px;background:var(--line);margin:22px 0 18px}
  .sidebar-cta{
    display:flex;align-items:center;justify-content:center;
    height:42px;
    background:var(--ink);
    color:#fff;
    font-size:13px;
    font-weight:500;
    letter-spacing:.04em;
    border-radius:var(--r-btn);
    transition:background var(--ease),transform var(--ease);
  }
  .sidebar-cta:hover{background:var(--gold-deep);transform:translateY(1px)}
  .sidebar-foot{
    margin-top:auto;
    padding-top:22px;
    font-size:11px;
    line-height:1.7;
    color:var(--muted);
    letter-spacing:.03em;
  }

  .topbar{
    display:none;
    position:fixed;top:0;left:0;right:0;
    height:64px;
    background:rgba(250,247,241,.96);
    border-bottom:1px solid var(--line);
    z-index:70;
    align-items:center;
    justify-content:space-between;
    padding:0 20px;
    backdrop-filter:saturate(120%) blur(6px);
  }
  .topbar .brand-name{font-size:15px}
  .menu-toggle{
    width:40px;height:40px;
    display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);
    border-radius:var(--r-btn);
    color:var(--ink);
    transition:border-color var(--ease),background var(--ease);
  }
  .menu-toggle:hover{border-color:var(--gold);background:var(--paper-2)}
  .scrim{
    display:none;
    position:fixed;inset:0;
    background:rgba(22,19,15,.45);
    z-index:55;
    opacity:0;
    transition:opacity var(--ease);
  }
  .scrim.show{display:block;opacity:1}

  .main{
    margin-left:var(--sidebar-w);
    min-height:100vh;
    padding:0;
  }
  .container{
    width:100%;
    max-width:1240px;
    margin:0 auto;
    padding:0 40px;
  }

  /* ---------- 面包屑 ---------- */
  .crumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;
    letter-spacing:.04em;
    color:var(--muted);
    padding:34px 0 0;
  }
  .crumb a{transition:color var(--ease)}
  .crumb a:hover{color:var(--gold-deep)}
  .crumb .sep{color:var(--line);font-size:11px}
  .crumb .current{color:var(--ink);font-weight:500}

  /* ---------- 页面头部 ---------- */
  .page-hero{
    position:relative;
    margin-top:22px;
    border-radius:var(--r-card);
    overflow:hidden;
    background:var(--paper-2);
    box-shadow:var(--shadow-1);
    border:1px solid var(--line);
  }
  .page-hero::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(22,19,15,.92) 0%,rgba(22,19,15,.80) 45%,rgba(22,19,15,.42) 100%);
    z-index:1;
  }
  .page-hero-bg{
    position:absolute;inset:0;
    width:100%;height:100%;
    object-fit:cover;
    z-index:0;
  }
  .page-hero-inner{
    position:relative;
    z-index:2;
    padding:64px 56px 56px;
    color:#F7F3EA;
    max-width:760px;
  }
  .eyebrow{
    display:inline-flex;align-items:center;gap:10px;
    font-size:12px;
    letter-spacing:.20em;
    color:var(--gold-soft);
    padding:5px 10px;
    border:1px solid rgba(243,217,166,.45);
    border-radius:var(--r-badge);
    margin-bottom:22px;
  }
  .page-hero h1{
    font-family:var(--font-serif);
    font-size:clamp(30px,4vw,52px);
    line-height:1.18;
    letter-spacing:-.02em;
    font-weight:700;
    color:#fff;
  }
  .page-hero h1 .h1-tail{
    display:block;
    font-size:clamp(14px,1.4vw,17px);
    letter-spacing:.10em;
    font-weight:500;
    color:var(--gold-soft);
    margin-top:14px;
    font-family:var(--font-sans);
  }
  .page-hero .lede{
    margin-top:22px;
    font-size:16px;
    line-height:1.95;
    color:rgba(247,243,234,.84);
    max-width:620px;
  }
  .hero-meta{
    display:flex;flex-wrap:wrap;gap:28px;
    margin-top:34px;
    padding-top:22px;
    border-top:1px solid rgba(247,243,234,.18);
  }
  .hero-meta div{min-width:96px}
  .hero-meta .k{
    display:block;
    font-size:11px;
    letter-spacing:.14em;
    color:rgba(247,243,234,.55);
    margin-bottom:4px;
  }
  .hero-meta .v{
    font-family:var(--font-num);
    font-size:15px;
    letter-spacing:.02em;
    color:#fff;
  }

  /* ---------- 板块通用 ---------- */
  .section{padding-top:72px}
  .section-head{max-width:720px}
  .section-kicker{
    display:flex;align-items:center;gap:12px;
    font-family:var(--font-num);
    font-size:12px;
    letter-spacing:.18em;
    color:var(--gold-deep);
    margin-bottom:12px;
  }
  .section-kicker::after{
    content:"";flex:1;height:1px;background:var(--line);max-width:60px;
  }
  .section-head h2{
    font-family:var(--font-serif);
    font-size:clamp(24px,2.6vw,34px);
    line-height:1.3;
    letter-spacing:-.015em;
    font-weight:700;
  }
  .section-head p{
    margin-top:14px;
    color:var(--ink-2);
    font-size:15px;
    line-height:1.9;
  }

  /* ---------- 步骤条 ---------- */
  .steps{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
    margin-top:38px;
    position:relative;
  }
  .step{
    position:relative;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:26px 22px 24px;
    box-shadow:var(--shadow-1);
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  .step:hover{transform:translateY(-2px);border-color:var(--gold);box-shadow:var(--shadow-2)}
  .step-no{
    font-family:var(--font-num);
    font-size:12px;
    letter-spacing:.16em;
    color:var(--gold-deep);
    display:block;
    margin-bottom:16px;
  }
  .step-line{
    position:absolute;
    top:34px;left:22px;
    width:26px;height:2px;
    background:var(--gold);
  }
  .step h3{
    font-family:var(--font-serif);
    font-size:18px;
    font-weight:700;
    letter-spacing:-.01em;
    margin-bottom:10px;
    line-height:1.5;
  }
  .step p{
    font-size:14px;
    line-height:1.85;
    color:var(--ink-2);
  }
  .step .tag{
    display:inline-block;
    margin-top:16px;
    font-size:11px;
    letter-spacing:.08em;
    padding:2px 8px;
    border-radius:var(--r-badge);
    background:var(--gold-soft);
    color:var(--gold-deep);
  }
  .step .tag.jade{background:var(--jade);color:#fff}

  /* ---------- 图文交替 ---------- */
  .split{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:48px;
    align-items:center;
    padding-top:56px;
  }
  .split + .split{padding-top:64px}
  .split.reverse .split-media{order:2}
  .split-media{
    border-radius:var(--r-img);
    overflow:hidden;
    background:var(--paper-2);
    border:1px solid var(--line);
    aspect-ratio:4/3;
  }
  .split-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease)}
  .split-media:hover img{transform:scale(1.02)}
  .split-body h3{
    font-family:var(--font-serif);
    font-size:clamp(20px,2.1vw,26px);
    font-weight:700;
    letter-spacing:-.01em;
    line-height:1.45;
  }
  .split-body p{
    margin-top:16px;
    color:var(--ink-2);
    font-size:15px;
    line-height:1.95;
  }
  .bullet{
    margin-top:20px;
    display:flex;flex-direction:column;gap:10px;
  }
  .bullet li{
    position:relative;
    padding-left:20px;
    font-size:14px;
    line-height:1.85;
    color:var(--ink-2);
  }
  .bullet li::before{
    content:"";
    position:absolute;left:0;top:11px;
    width:10px;height:1px;
    background:var(--gold);
  }

  /* ---------- 数据卡 ---------- */
  .info-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
    margin-top:38px;
  }
  .info-card{
    background:var(--card);
    border:1px solid var(--line);
    border-top:2px solid var(--gold);
    border-radius:var(--r-card);
    padding:26px 24px 24px;
    box-shadow:var(--shadow-1);
    transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
  }
  .info-card:hover{transform:translateY(-2px);border-color:var(--gold);box-shadow:var(--shadow-2)}
  .info-num{
    font-family:var(--font-num);
    font-size:34px;
    font-weight:600;
    line-height:1;
    letter-spacing:-.02em;
    color:var(--ink);
  }
  .info-num span{font-size:13px;font-weight:500;color:var(--muted);letter-spacing:.06em;margin-left:6px}
  .info-card h4{
    margin-top:14px;
    font-size:15px;
    font-weight:700;
  }
  .info-card p{
    margin-top:8px;
    font-size:13.5px;
    line-height:1.8;
    color:var(--muted);
  }

  /* ---------- FAQ ---------- */
  .faq-list{
    margin-top:34px;
    border-top:1px solid var(--line);
  }
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-q{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    width:100%;
    min-height:56px;
    padding:16px 4px;
    text-align:left;
    font-size:15px;
    font-weight:500;
    color:var(--ink);
    transition:color var(--ease);
  }
  .faq-q:hover{color:var(--gold-deep)}
  .faq-q .plus{
    position:relative;
    width:14px;height:14px;
    flex:0 0 auto;
    transition:transform var(--ease);
  }
  .faq-q .plus::before,
  .faq-q .plus::after{
    content:"";
    position:absolute;
    background:var(--gold-deep);
    border-radius:1px;
  }
  .faq-q .plus::before{top:6px;left:0;width:14px;height:1.5px}
  .faq-q .plus::after{left:6px;top:0;width:1.5px;height:14px}
  .faq-item.open .faq-q .plus{transform:rotate(45deg)}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height 240ms var(--ease);
  }
  .faq-a p{
    padding:0 40px 20px 4px;
    font-size:15px;
    line-height:1.85;
    color:var(--muted);
  }

  /* ---------- CTA ---------- */
  .cta-band{
    margin-top:80px;
    background:var(--ink);
    border-radius:var(--r-card);
    padding:52px 56px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:40px;
    color:#F7F3EA;
    position:relative;
    overflow:hidden;
  }
  .cta-band::before{
    content:"";
    position:absolute;
    right:-60px;top:-60px;
    width:220px;height:220px;
    border:1px solid rgba(243,217,166,.20);
    border-radius:50%;
  }
  .cta-band h2{
    font-family:var(--font-serif);
    font-size:clamp(22px,2.4vw,30px);
    line-height:1.35;
    font-weight:700;
    letter-spacing:-.01em;
  }
  .cta-band p{
    margin-top:12px;
    font-size:14.5px;
    line-height:1.85;
    color:rgba(247,243,234,.72);
    max-width:560px;
  }
  .cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:46px;
    padding:0 24px;
    border-radius:var(--r-btn);
    font-size:14px;
    font-weight:500;
    letter-spacing:.03em;
    transition:background var(--ease),color var(--ease),transform var(--ease),border-color var(--ease);
    white-space:nowrap;
  }
  .btn-primary{background:var(--ink);color:#fff}
  .btn-primary:hover{background:var(--gold-deep);transform:translateY(1px)}
  .btn-outline{background:transparent;color:var(--ink);border:1px solid var(--ink)}
  .btn-outline:hover{background:var(--ink);color:#fff}
  .btn-light{background:#F7F3EA;color:var(--ink)}
  .btn-light:hover{background:var(--gold-soft);transform:translateY(1px)}
  .btn-ghost{
    height:auto;padding:0;
    background:transparent;color:var(--gold-deep);
    border-radius:0;
    border-bottom:1px solid transparent;
    transition:border-color var(--ease),color var(--ease);
  }
  .btn-ghost:hover{border-bottom-color:var(--gold-deep)}
  .btn:active{transform:translateY(1px) scale(.995)}

  /* ---------- 页脚 ---------- */
  .footer{
    margin-top:96px;
    border-top:1px solid var(--line);
    padding-top:52px;
    padding-bottom:40px;
    background:var(--paper);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.2fr;
    gap:40px;
  }
  .footer-brand{
    display:flex;align-items:center;gap:9px;
    font-family:var(--font-serif);
    font-size:16px;
    font-weight:700;
    letter-spacing:-.01em;
    margin-bottom:14px;
  }
  .footer-brand .dot{width:8px;height:8px;background:var(--gold);flex:0 0 auto}
  .footer p{
    font-size:13.5px;
    line-height:1.9;
    color:var(--muted);
  }
  .footer h4{
    font-size:13px;
    font-weight:700;
    letter-spacing:.10em;
    color:var(--ink);
    margin-bottom:14px;
  }
  .footer-links{display:flex;flex-direction:column;gap:10px}
  .footer-links a{
    font-size:14px;
    color:var(--ink-2);
    transition:color var(--ease),padding-left var(--ease);
  }
  .footer-links a:hover{color:var(--gold-deep);padding-left:3px}
  .footer-bottom{
    margin-top:44px;
    padding-top:20px;
    border-top:1px solid var(--line);
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:12px;
    font-size:12px;
    letter-spacing:.04em;
    color:var(--muted);
  }

  /* ---------- 入场动效 ---------- */
  .reveal{
    opacity:0;
    transform:translateY(14px);
    transition:opacity 420ms var(--ease),transform 420ms var(--ease);
  }
  .reveal.in{opacity:1;transform:none}

  @media (prefers-reduced-motion: reduce){
    *{animation:none!important;transition:none!important}
    .reveal{opacity:1;transform:none}
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    :root{--sidebar-w:84px}
    .sidebar-inner{padding:24px 12px 18px;align-items:center}
    .brand{flex-direction:column;align-items:center;gap:6px;padding-bottom:18px;width:100%;border-bottom:1px solid var(--line)}
    .brand-text{display:none}
    .brand-mark{margin-top:0}
    .nav{width:100%;margin-top:18px}
    .nav-item{justify-content:center;padding:0;height:46px}
    .nav-item .nav-label{
      position:absolute;
      left:calc(100% + 12px);
      white-space:nowrap;
      background:var(--ink);
      color:#fff;
      font-size:12.5px;
      padding:5px 12px;
      border-radius:var(--r-badge);
      opacity:0;
      pointer-events:none;
      transform:translateX(-4px);
      transition:opacity var(--ease),transform var(--ease);
      z-index:80;
    }
    .nav-item:hover .nav-label{opacity:1;transform:translateX(0)}
    .nav-item::before{display:none}
    .sidebar-cta{width:100%;height:38px;font-size:0;padding:0}
    .sidebar-cta::after{content:"\f073";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:#fff}
    .sidebar-foot{display:none}
    .container{padding:0 28px}
    .page-hero-inner{padding:48px 36px 42px}
  }
  @media (max-width:1023px){
    :root{--sidebar-w:0px}
    .topbar{display:flex}
    .sidebar{
      width:280px;
      transform:translateX(-100%);
      box-shadow:0 24px 60px -30px rgba(22,19,15,.5);
    }
    .sidebar.open{transform:translateX(0)}
    .sidebar-inner{padding:24px 20px;align-items:stretch}
    .brand{flex-direction:row;align-items:flex-start;justify-content:flex-start;width:auto}
    .brand-text{display:block}
    .brand-mark{margin-top:9px}
    .nav-item{justify-content:flex-start;padding:0 8px 0 14px;height:46px}
    .nav-item .nav-label{position:static;opacity:1;transform:none;background:none;color:inherit;padding:0;font-size:14px}
    .nav-item::before{display:block}
    .sidebar-cta{height:42px;font-size:13px;width:100%}
    .sidebar-cta::after{content:none}
    .sidebar-foot{display:block}
    .main{margin-left:0;padding-top:64px}
    .container{padding:0 24px}
    .crumb{padding-top:26px}
    .steps{grid-template-columns:repeat(2,1fr)}
    .split{grid-template-columns:1fr;gap:28px;padding-top:44px}
    .split.reverse .split-media{order:0}
    .split-media{aspect-ratio:16/10}
    .info-grid{grid-template-columns:1fr;gap:14px}
    .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;gap:26px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  }
  @media (max-width:640px){
    .container{padding:0 20px}
    .page-hero-inner{padding:36px 24px 32px}
    .page-hero .lede{font-size:15px}
    .hero-meta{gap:20px 24px;margin-top:26px;padding-top:18px}
    .steps{grid-template-columns:1fr;gap:14px;margin-top:28px}
    .section{padding-top:56px}
    .cta-band{margin-top:56px;padding:32px 22px;border-radius:var(--r-img)}
    .cta-actions{width:100%}
    .cta-actions .btn{flex:1 1 auto}
    .footer{margin-top:64px;padding-top:40px}
    .footer-grid{grid-template-columns:1fr;gap:26px}
    .footer-bottom{flex-direction:column;align-items:flex-start}
    .faq-a p{padding-right:12px}
  }

/* roulang page: category5 */
:root{
  --ink:#16130F;
  --ink-2:#3A342C;
  --muted:#7C7268;
  --line:rgba(22,19,15,.10);
  --paper:#FAF7F1;
  --paper-2:#F2EDE4;
  --card:#FFFFFF;
  --gold:#D9972B;
  --gold-deep:#B4761A;
  --gold-soft:#F3D9A6;
  --jade:#2E4B45;
  --danger:#B4462F;
  --r-card:16px;
  --r-img:12px;
  --r-btn:8px;
  --r-input:6px;
  --r-badge:4px;
  --sh-1:0 1px 0 var(--line);
  --sh-2:0 28px 56px -36px rgba(22,19,15,.30);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sidebar-w:244px;
  --serif:"Noto Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC",sans-serif;
  --mono:"Inter","SFMono-Regular",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-2);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);color:var(--ink);font-weight:600;letter-spacing:-.01em;line-height:1.25;}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:2px;}

/* ---------- 布局骨架 ---------- */
.shell{min-height:100vh;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px;}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--paper);
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  padding:28px 20px 22px;
  z-index:60;
  overflow-y:auto;
  overflow-x:hidden;
}
.brand{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:0 4px 22px;
  border-bottom:1px solid var(--line);
  margin-bottom:18px;
}
.brand-mark{
  width:8px;height:8px;background:var(--gold);
  display:block;margin-bottom:10px;
}
.brand-name{
  font-family:var(--serif);
  font-size:19px;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--ink);
  white-space:nowrap;
}
.brand-sub{
  font-size:11px;
  letter-spacing:.14em;
  color:var(--muted);
  white-space:nowrap;
}
.nav{display:flex;flex-direction:column;gap:2px;}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  height:44px;
  padding:0 10px;
  font-size:14px;
  color:var(--ink-2);
  border-radius:0 6px 6px 0;
  transition:color .18s var(--ease),transform .18s var(--ease),background .18s var(--ease);
  white-space:nowrap;
}
.nav-item i{width:16px;text-align:center;font-size:14px;color:var(--muted);transition:color .18s var(--ease);}
.nav-item::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:2px;
  background:transparent;transition:background .18s var(--ease);
}
.nav-item:hover{color:var(--ink);transform:translateX(2px);}
.nav-item:hover::before{background:var(--line);}
.nav-item:hover i{color:var(--gold-deep);}
.nav-item.active{color:var(--ink);font-weight:700;}
.nav-item.active::before{background:var(--gold);}
.nav-item.active i{color:var(--gold-deep);}
.sidebar-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--line);}
.sidebar-foot .btn{width:100%;height:42px;font-size:14px;}
.tiny{font-size:11px;line-height:1.7;color:var(--muted);margin:14px 0 0;letter-spacing:.02em;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:500;
  border:1px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-primary:hover{background:var(--gold-deep);border-color:var(--gold-deep);transform:translateY(1px);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:auto;padding:0;
  background:none;border:none;color:var(--gold-deep);font-size:14px;font-weight:500;position:relative;
}
.btn-ghost::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:var(--gold-deep);
  transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease);
}
.btn-ghost:hover::after{transform:scaleX(1);}

/* ---------- 主区域 ---------- */
.main{padding-left:var(--sidebar-w);}
.main-inner{padding:0 0 0;}
.mobile-bar{display:none;}
.crumbs{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;letter-spacing:.06em;color:var(--muted);
  padding:34px 0 0;
}
.crumbs a{transition:color .18s var(--ease);}
.crumbs a:hover{color:var(--gold-deep);}
.crumbs .sep{color:var(--line);}
.crumbs .now{color:var(--ink);}

/* ---------- HERO ---------- */
.page-hero{padding:32px 0 0;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);
  gap:56px;
  align-items:end;
  padding-bottom:52px;
  border-bottom:1px solid var(--line);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.18em;color:var(--gold-deep);
  background:var(--gold-soft);
  border-radius:var(--r-badge);
  padding:3px 8px;
  margin-bottom:22px;
  font-weight:500;
}
.page-hero h1{
  font-size:clamp(30px,4vw,52px);
  line-height:1.18;
  letter-spacing:-.02em;
  margin-bottom:22px;
}
.lead{
  font-size:16px;line-height:1.9;color:var(--ink-2);
  max-width:640px;
}
.hero-figure{
  position:relative;
  aspect-ratio:3/4;
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--paper-2);
  border:1px solid var(--line);
}
.hero-figure .cover-img{width:100%;height:100%;object-fit:cover;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-img);
  overflow:hidden;
  margin-top:26px;
}
.stat{background:var(--card);padding:16px 14px;}
.stat b{
  display:block;font-family:var(--mono);font-size:22px;font-weight:600;color:var(--ink);
  line-height:1.2;letter-spacing:-.02em;
}
.stat span{font-size:12px;color:var(--muted);letter-spacing:.06em;}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0 0;}
.section-head{margin-bottom:34px;max-width:720px;}
.section-head .idx{
  display:block;font-family:var(--mono);font-size:12px;letter-spacing:.2em;
  color:var(--gold-deep);margin-bottom:12px;
}
.section-head h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:15px;line-height:1.85;margin:0;}

/* ---------- 表单 + 信息卡 ---------- */
.coop-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:32px;
  align-items:start;
}
.panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:34px;
  transition:box-shadow .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.panel:hover{box-shadow:var(--sh-2);}
.panel-title{
  font-family:var(--serif);font-size:20px;color:var(--ink);font-weight:600;
  margin-bottom:6px;
}
.panel-desc{font-size:13px;color:var(--muted);margin-bottom:26px;line-height:1.8;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.field{margin-bottom:24px;}
.field label{
  display:block;font-size:12px;letter-spacing:.1em;color:var(--muted);
  margin-bottom:8px;transition:color .18s var(--ease);
}
.field input,.field select,.field textarea{
  width:100%;
  border:none;
  border-bottom:1px solid var(--line);
  border-radius:0;
  background:transparent;
  padding:9px 0 10px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
  appearance:none;
}
.field select{
  background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 12px) 20px,calc(100% - 7px) 20px;
  background-size:5px 5px,5px 5px;
  background-repeat:no-repeat;
}
.field textarea{resize:vertical;min-height:88px;line-height:1.8;}
.field input::placeholder,.field textarea::placeholder{color:#B3ABA1;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-bottom-color:var(--gold);
  box-shadow:0 1px 0 var(--gold);
}
.field:focus-within label{color:var(--gold-deep);}
.form-note{
  font-size:13px;line-height:1.8;color:var(--jade);
  margin-top:16px;min-height:22px;
}
.form-hint{font-size:12px;color:var(--muted);margin:14px 0 0;line-height:1.8;}

/* 信息卡 */
.info-card{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:32px;
}
.info-card h3{font-size:18px;margin-bottom:18px;}
.kv{display:flex;flex-direction:column;}
.kv li{
  display:flex;gap:16px;justify-content:space-between;align-items:baseline;
  padding:13px 0;border-bottom:1px solid var(--line);font-size:14px;
}
.kv li:last-child{border-bottom:none;}
.kv .k{color:var(--muted);font-size:13px;white-space:nowrap;letter-spacing:.04em;}
.kv .v{color:var(--ink);text-align:right;font-weight:500;}
.info-card .btn{width:100%;margin-top:22px;}
.info-card .mail{
  display:block;margin-top:18px;font-family:var(--mono);font-size:13px;
  color:var(--gold-deep);letter-spacing:.02em;
}

/* ---------- 合作形式 ---------- */
.form-grid{
  display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);
  gap:44px;align-items:start;
}
.form-figure{
  aspect-ratio:4/5;border-radius:var(--r-img);overflow:hidden;
  background:var(--paper-2);border:1px solid var(--line);position:relative;
}
.form-figure .cover-img{width:100%;height:100%;object-fit:cover;}
.cap{
  font-size:12px;color:var(--muted);line-height:1.7;margin-top:12px;
}
.rowlist{border-top:1px solid var(--line);}
.rowlist li{
  display:grid;grid-template-columns:48px minmax(0,1fr);gap:18px;
  padding:22px 0;border-bottom:1px solid var(--line);
  transition:background .18s var(--ease);
}
.rowlist li:hover{background:var(--paper-2);}
.rowlist .num{
  font-family:var(--mono);font-size:13px;color:var(--gold-deep);letter-spacing:.06em;
  padding-top:3px;
}
.rowlist h3{font-size:18px;margin-bottom:6px;}
.rowlist p{font-size:14px;line-height:1.8;color:var(--muted);margin:0;}

/* ---------- 流程步骤 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;counter-reset:step;
}
.step{
  position:relative;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 26px 28px;
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.step:hover{transform:translateY(-2px);border-color:var(--gold);box-shadow:var(--sh-2);}
.step .no{
  font-family:var(--mono);font-size:34px;font-weight:600;color:var(--gold-soft);
  line-height:1;margin-bottom:16px;letter-spacing:-.03em;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.8;color:var(--muted);margin:0;}

/* ---------- 数据带 ---------- */
.band{
  margin-top:88px;
  background:var(--ink);
  border-radius:var(--r-card);
  padding:46px 44px;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);
  gap:40px;align-items:center;
}
.band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:10px;}
.band p{color:rgba(255,255,255,.66);font-size:14px;line-height:1.85;margin:0;}
.band-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.band-stat b{
  display:block;font-family:var(--mono);font-size:28px;font-weight:600;color:var(--gold-soft);
  line-height:1.1;
}
.band-stat span{font-size:12px;color:rgba(255,255,255,.6);letter-spacing:.06em;}

/* ---------- FAQ ---------- */
.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:24px;
  min-height:56px;padding:16px 0;
  font-size:16px;font-weight:500;color:var(--ink);
  transition:color .18s var(--ease);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--gold-deep);}
.faq summary::after{
  content:"+";font-family:var(--mono);font-size:20px;color:var(--gold-deep);
  transition:transform .18s var(--ease);flex:0 0 auto;line-height:1;
}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq .answer{
  font-size:15px;line-height:1.85;color:var(--muted);
  padding:0 40px 22px 0;
}

/* ---------- 结尾 CTA ---------- */
.final-cta{
  margin-top:88px;
  border-top:1px solid var(--line);
  padding:64px 0 0;
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.final-cta h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:12px;}
.final-cta p{color:var(--muted);font-size:15px;margin:0;max-width:520px;line-height:1.85;}
.final-cta .actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.footer{
  margin-top:80px;
  border-top:1px solid var(--line);
  padding:56px 0 34px;
  background:var(--paper);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-family:var(--serif);font-size:18px;font-weight:700;color:var(--ink);
  margin-bottom:14px;letter-spacing:-.01em;
}
.footer-brand .dot{width:8px;height:8px;background:var(--gold);display:block;}
.footer p{font-size:13px;line-height:1.85;color:var(--muted);margin:0;}
.footer h4{
  font-family:var(--sans);font-size:12px;letter-spacing:.14em;color:var(--ink);
  font-weight:500;margin:4px 0 16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14px;color:var(--muted);transition:color .18s var(--ease),transform .18s var(--ease);
  display:inline-block;
}
.footer-links a:hover{color:var(--gold-deep);transform:translateX(2px);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--muted);letter-spacing:.04em;
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);animation:rise .6s var(--ease) forwards;}
@keyframes rise{to{opacity:1;transform:none;}}
.d1{animation-delay:.06s}.d2{animation-delay:.12s}.d3{animation-delay:.18s}.d4{animation-delay:.24s}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 平板 ---------- */
@media (min-width:1024px) and (max-width:1279px){
  :root{--sidebar-w:84px;}
  .sidebar{padding:24px 12px 20px;align-items:center;transition:width .2s var(--ease),box-shadow .2s var(--ease);}
  .sidebar:hover{width:244px;align-items:stretch;box-shadow:var(--sh-2);}
  .brand{align-items:center;padding-left:0;padding-right:0;}
  .sidebar:hover .brand{align-items:flex-start;padding-left:4px;}
  .brand-name,.brand-sub,.nav-label,.sidebar-foot .btn span,.sidebar-foot .tiny{
    opacity:0;transition:opacity .18s var(--ease);white-space:nowrap;
  }
  .sidebar:hover .brand-name,.sidebar:hover .brand-sub,
  .sidebar:hover .nav-label,.sidebar:hover .sidebar-foot .btn span,
  .sidebar:hover .sidebar-foot .tiny{opacity:1;}
  .nav-item{justify-content:center;padding:0;gap:0;}
  .sidebar:hover .nav-item{justify-content:flex-start;padding:0 10px;gap:12px;}
  .nav-item i{width:16px;}
  .sidebar-foot{width:100%;}
  .sidebar-foot .btn{padding:0;gap:0;}
  .sidebar:hover .sidebar-foot .btn{padding:0 16px;gap:8px;}
}
@media (max-width:1023px){
  :root{--sidebar-w:0px;}
  .sidebar{
    width:282px;transform:translateX(-100%);
    transition:transform .24s var(--ease);
    box-shadow:var(--sh-2);
  }
  .sidebar.open{transform:translateX(0);}
  .main{padding-left:0;padding-top:64px;}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;
    position:fixed;top:0;left:0;right:0;height:64px;padding:0 20px;
    background:var(--paper);border-bottom:1px solid var(--line);z-index:70;
  }
  .mobile-brand{display:flex;align-items:center;gap:8px;font-family:var(--serif);font-size:16px;font-weight:700;color:var(--ink);}
  .mobile-brand .dot{width:8px;height:8px;background:var(--gold);}
  .menu-toggle{
    width:42px;height:42px;border:1px solid var(--line);border-radius:8px;background:transparent;
    display:flex;align-items:center;justify-content:center;color:var(--ink);font-size:16px;
  }
  .menu-toggle:hover{border-color:var(--gold);color:var(--gold-deep);}
  .container{padding:0 28px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;align-items:start;padding-bottom:40px;}
  .hero-figure{aspect-ratio:16/10;order:-1;}
  .coop-grid,.form-grid{grid-template-columns:1fr;gap:28px;}
  .steps{grid-template-columns:1fr;}
  .band{grid-template-columns:1fr;padding:36px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0 0;}
  .final-cta{margin-top:64px;padding-top:48px;}
}
/* ---------- 手机 ---------- */
@media (max-width:519px){
  .container{padding:0 20px;}
  .crumbs{padding-top:26px;font-size:12px;}
  .page-hero{padding-top:24px;}
  .section{padding:52px 0 0;}
  .panel,.info-card{padding:24px;}
  .form-row{grid-template-columns:1fr;gap:0;}
  .hero-stats{grid-template-columns:1fr 1fr 1fr;}
  .stat{padding:12px 10px;}
  .stat b{font-size:18px;}
  .hero-figure{aspect-ratio:4/3;}
  .final-cta .actions{width:100%;}
  .final-cta .actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .rowlist li{grid-template-columns:36px minmax(0,1fr);gap:12px;}
  .band-stats{grid-template-columns:1fr 1fr;}
  .faq summary{font-size:15px;gap:14px;}
  .faq .answer{padding-right:12px;}
}