/* roulang page: index */
:root{
  --c-primary:#113E31;
  --c-primary-dark:#0B2C22;
  --c-primary-soft:#E4EDE8;
  --c-accent:#C7F04A;
  --c-accent-ink:#1A2408;
  --c-sand:#F5F2EA;
  --c-surface:#FFFFFF;
  --c-border:#E3DFD4;
  --c-obsidian:#0C0F0E;
  --t-1:#1B1F1D;
  --t-2:#5C635F;
  --t-3:#8B918D;
  --c-danger:#C4452E;
  --r-xs:4px;
  --r-sm:6px;
  --r-md:10px;
  --r-img:8px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(12,15,14,.05);
  --shadow-2:0 12px 28px -16px rgba(12,15,14,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sidebar-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:#FBFAF6;
  color:var(--t-1);
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
::selection{background:var(--c-accent);color:var(--c-accent-ink)}

/* ---------- 容器 ---------- */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-sand{background:var(--c-sand)}
.section-white{background:var(--c-surface)}
.section-dark{background:var(--c-obsidian);color:#F2F1EC}
.section-head{margin-bottom:40px;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px}
.eyebrow{
  font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--t-2);
  display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent)}
h1,h2,h3{letter-spacing:-.02em;color:var(--t-1)}
.section-dark h2,.section-dark h3{color:#F2F1EC}
.h2{font-size:clamp(24px,2.6vw,36px);font-weight:700;line-height:1.2}
.h3{font-size:19px;font-weight:600;line-height:1.4}
.sub{color:var(--t-2);font-size:15px;line-height:1.8;max-width:640px}
.section-dark .sub{color:#A9B0AC}
.link-more{
  font-size:14px;font-weight:600;color:var(--c-primary);position:relative;padding-bottom:2px;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.link-more:hover::after{transform:scaleX(1)}
.link-more i{margin-left:6px;font-size:12px;transition:transform .2s var(--ease)}
.link-more:hover i{transform:translateX(4px)}

/* ---------- 按钮 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;white-space:nowrap;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn-x i{font-size:13px;transition:transform .2s var(--ease)}
.btn-x:hover i{transform:translateX(4px)}
.btn-primary-x{background:var(--c-primary);color:#F6F5EF}
.btn-primary-x:hover{background:var(--c-accent);color:var(--c-accent-ink)}
.btn-ghost-x{background:transparent;color:var(--c-primary);border-color:var(--c-border)}
.btn-ghost-x:hover{border-color:var(--c-primary);background:rgba(17,62,49,.05)}
.btn-light-x{background:#F3F1E9;color:var(--c-primary-dark)}
.btn-light-x:hover{background:var(--c-accent);color:var(--c-accent-ink)}
.btn-sm-x{height:40px;padding:0 20px;font-size:14px}
.btn-lg-x{height:56px;padding:0 32px;font-size:16px}
.btn-x[disabled]{opacity:.4;pointer-events:none}

/* ---------- 品牌 ---------- */
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:36px;height:36px;border-radius:9px;background:var(--c-primary);position:relative;flex:none;overflow:hidden;
}
.brand-mark::before{
  content:"";position:absolute;left:7px;top:14px;width:22px;height:3px;background:var(--c-accent);
  transform:skewX(-26deg);border-radius:2px;
}
.brand-mark::after{
  content:"";position:absolute;left:7px;top:21px;width:15px;height:3px;background:rgba(255,255,255,.78);
  transform:skewX(-26deg);border-radius:2px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.02em;color:var(--c-primary)}
.brand-text em{font-size:11px;font-style:normal;letter-spacing:.18em;color:var(--t-3);margin-top:3px}

/* ---------- 侧栏 ---------- */
.app-shell{display:block}
.app-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--c-surface);border-right:1px solid var(--c-border);
  display:flex;flex-direction:column;padding:24px 16px 18px;z-index:1030;
}
.sb-brand{padding:0 8px 24px;border-bottom:1px solid var(--c-border);margin-bottom:16px}
.sb-nav{display:flex;flex-direction:column;gap:4px}
.sb-link{
  position:relative;display:flex;align-items:center;gap:12px;
  height:46px;padding:0 12px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:var(--t-2);
  transition:background .16s var(--ease),color .16s var(--ease);
}
.sb-link i{width:20px;text-align:center;font-size:15px;flex:none}
.sb-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:2px;height:20px;background:var(--c-primary);border-radius:2px;transition:transform .18s var(--ease);
}
.sb-link:hover{background:rgba(17,62,49,.05);color:var(--c-primary)}
.sb-link.is-active{color:var(--c-primary);font-weight:600}
.sb-link.is-active::before{transform:translateY(-50%) scaleY(1)}
.sb-divider{height:1px;background:var(--c-border);margin:16px 8px}
.sb-spacer{flex:1 1 auto;min-height:24px}
.sb-cta{
  display:flex;align-items:center;justify-content:center;height:44px;border-radius:var(--r-sm);
  background:var(--c-primary);color:#F6F5EF;font-size:15px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.sb-cta:hover{background:var(--c-accent);color:var(--c-accent-ink)}
.sb-copy{font-size:12px;color:var(--t-3);text-align:center;margin-top:12px;line-height:1.5}

/* ---------- 顶栏 / 抽屉 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:1040;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-border);align-items:center;justify-content:space-between;
  padding:0 14px;
}
.topbar-btn{
  width:44px;height:44px;border:0;background:transparent;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.topbar-btn span{width:20px;height:2px;background:var(--c-primary);border-radius:2px;display:block}
.topbar-brand{display:flex;flex-direction:column;align-items:center;line-height:1.2}
.topbar-brand strong{font-size:15px;font-weight:800;color:var(--c-primary)}
.topbar-brand em{font-size:10px;font-style:normal;letter-spacing:.14em;color:var(--t-3)}
.drawer{width:84vw;max-width:320px;background:var(--c-surface);border-right:1px solid var(--c-border)}
.drawer .offcanvas-header{border-bottom:1px solid var(--c-border);padding:18px 18px}
.drawer .offcanvas-body{padding:18px;display:flex;flex-direction:column;gap:4px}
.drawer .sb-link{height:48px}
.drawer .sb-copy{margin-top:auto;text-align:left;padding-top:18px}
.offcanvas-backdrop.show{opacity:.5}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--c-border);background:transparent;border-radius:var(--r-sm);
  color:var(--t-2);cursor:pointer;transition:border-color .18s var(--ease),color .18s var(--ease);
}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary)}

/* ---------- 主区域 ---------- */
.app-main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.app-main > main{flex:1 1 auto}

/* ---------- Hero ---------- */
.hero{background:var(--c-sand);padding:92px 0 96px;overflow:hidden;position:relative}
.hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(199,240,74,.28),rgba(199,240,74,0) 68%);pointer-events:none;
}
.hero-copy{position:relative;z-index:2}
.hero h1{
  font-size:clamp(34px,4.6vw,64px);font-weight:800;line-height:1.02;letter-spacing:-.03em;
  margin:0 0 22px;
}
.hero-lead{font-size:17px;line-height:1.8;color:var(--t-2);max-width:560px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.hero-points{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:var(--t-2)}
.hero-points li{display:flex;align-items:center;gap:14px}
.hero-points li + li::before{content:"";width:1px;height:14px;background:var(--c-border)}
.hero-points i{color:var(--c-primary);font-size:13px;margin-right:6px}
.hero-media{position:relative;z-index:1}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--c-border);box-shadow:var(--shadow-2);
}
.hero-media figcaption{font-size:12px;color:var(--t-3);margin-top:10px}

/* ---------- 数据条 ---------- */
.stats{border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);background:var(--c-surface)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:34px 24px;border-right:1px solid var(--c-border)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:clamp(28px,3vw,40px);font-weight:800;line-height:1;letter-spacing:-.02em;color:var(--c-primary)}
.stat b span{font-size:16px;font-weight:600;margin-left:4px;color:var(--t-2)}
.stat p{font-size:12px;letter-spacing:.08em;color:var(--t-3);margin-top:10px}

/* ---------- 时间线 ---------- */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid var(--c-border);margin-top:8px}
.tl-item{padding:28px 22px 8px 0;position:relative;border-right:1px solid var(--c-border)}
.tl-item:last-child{border-right:0}
.tl-item::before{
  content:"";position:absolute;top:-6px;left:0;width:10px;height:10px;border-radius:50%;
  background:var(--c-surface);border:2px solid var(--c-border);
}
.tl-item.is-now::before{background:var(--c-accent);border-color:var(--c-accent);box-shadow:0 0 0 4px rgba(199,240,74,.28)}
.tl-time{font-size:20px;font-weight:700;letter-spacing:-.01em;color:var(--c-primary);margin-bottom:10px}
.tl-item h3{font-size:17px;font-weight:600;margin-bottom:8px}
.tl-item p{font-size:14px;color:var(--t-2);line-height:1.7;margin-bottom:14px}
.tag{
  display:inline-block;font-size:11px;font-weight:600;letter-spacing:.08em;
  padding:3px 9px;border-radius:var(--r-xs);
}
.tag-green{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.tag-sand{background:#EFEADA;color:#6B6244}
.tag-lime{background:rgba(199,240,74,.35);color:#3D4A0E}
.tag-mist{background:#E8EEF0;color:#3A4C52}

/* ---------- Bento ---------- */
.bento-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.bento-card:hover{transform:translateY(-2px);border-color:rgba(17,62,49,.4);box-shadow:var(--shadow-2)}
.bento-card figure{margin:0;overflow:hidden}
.bento-card img{width:100%;object-fit:cover;transition:transform .3s var(--ease)}
.bento-card:hover img{transform:scale(1.03)}
.bento-big img{aspect-ratio:16/9}
.bento-small img{aspect-ratio:16/9}
.bento-body{padding:22px;display:flex;flex-direction:column;gap:8px;flex:1}
.bento-body .who{font-size:18px;font-weight:700}
.bento-body .role{font-size:12px;letter-spacing:.08em;color:var(--t-3)}
.bento-body p{font-size:14.5px;color:var(--t-2);line-height:1.75}
.bento-stack{display:grid;gap:24px;height:100%}

/* ---------- 票种 ---------- */
.tickets{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;margin-top:44px}
.ticket{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);
  padding:30px 26px 28px;display:flex;flex-direction:column;gap:18px;height:100%;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ticket:hover{transform:translateY(-2px);border-color:rgba(17,62,49,.4);box-shadow:var(--shadow-2)}
.ticket-name{font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--t-3)}
.ticket-price{font-size:42px;font-weight:800;line-height:1;letter-spacing:-.03em}
.ticket-price small{font-size:14px;font-weight:500;color:var(--t-3);margin-left:6px;letter-spacing:0}
.ticket ul{display:flex;flex-direction:column;gap:10px;font-size:14.5px;color:var(--t-2)}
.ticket ul li{display:flex;gap:10px;align-items:flex-start}
.ticket ul li::before{
  content:"";width:12px;height:12px;border:1px solid var(--c-primary);border-radius:3px;
  flex:none;margin-top:6px;position:relative;
}
.ticket ul li::after{
  content:"";position:absolute;margin-left:3px;margin-top:9px;width:6px;height:3px;
  border-left:1px solid var(--c-primary);border-bottom:1px solid var(--c-primary);transform:rotate(-45deg);
}
.ticket.is-featured{
  background:var(--c-obsidian);color:#F2F1EC;border-color:var(--c-obsidian);
  transform:translateY(-12px);box-shadow:var(--shadow-2);
}
.ticket.is-featured:hover{transform:translateY(-14px);border-color:var(--c-accent)}
.ticket.is-featured .ticket-name{color:var(--c-accent)}
.ticket.is-featured .ticket-price{color:#FFFFFF}
.ticket.is-featured ul{color:#B9BFBA}
.ticket.is-featured ul li::before{border-color:var(--c-accent)}
.ticket.is-featured ul li::after{border-color:var(--c-accent)}
.ticket .badge-rec{
  align-self:flex-start;font-size:11px;font-weight:600;letter-spacing:.08em;
  background:var(--c-accent);color:var(--c-accent-ink);padding:3px 10px;border-radius:var(--r-xs);
}

/* ---------- 深色 CTA + 表单 ---------- */
.section-dark .cta-title{font-size:clamp(26px,3vw,40px);font-weight:800;line-height:1.15;letter-spacing:-.02em}
.form-panel{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-md);padding:26px;
}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:13px;color:#B9BFBA}
.field input,.field select,.field textarea{
  height:48px;padding:0 14px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.05);color:#F2F1EC;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:auto;padding:12px 14px;min-height:120px;line-height:1.7;resize:vertical}
.field select option{color:#1B1F1D}
.field input::placeholder,.field textarea::placeholder{color:#79817C}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(199,240,74,.22);
}
.form-tip{font-size:13px;color:#8E968F;margin-top:4px;min-height:20px}
.form-tip.is-ok{color:var(--c-accent)}
.form-note{font-size:12px;color:#7A827D;margin-top:22px;line-height:1.7}

/* ---------- 最新信息 ---------- */
.headline{
  display:grid;grid-template-columns:5fr 7fr;gap:0;background:var(--c-surface);
  border:1px solid var(--c-border);border-radius:var(--r-md);overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.headline:hover{border-color:rgba(17,62,49,.4);box-shadow:var(--shadow-2)}
.headline figure{margin:0;overflow:hidden}
.headline img{width:100%;height:100%;min-height:260px;object-fit:cover;transition:transform .3s var(--ease)}
.headline:hover img{transform:scale(1.03)}
.headline-body{padding:30px;display:flex;flex-direction:column;gap:14px}
.headline-body h3{font-size:22px;font-weight:700;line-height:1.35}
.headline-body p{font-size:15px;color:var(--t-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta{font-size:13px;color:var(--t-3);display:flex;align-items:center;gap:10px}
.meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-border)}
.post-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 32px;margin-top:8px}
.post-row{
  display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--c-border);
  min-height:88px;align-items:flex-start;
}
.post-date{
  flex:none;width:56px;text-align:center;border-right:1px solid var(--c-border);
  display:flex;flex-direction:column;align-items:center;padding-right:0;
}
.post-date b{font-size:22px;font-weight:700;line-height:1;color:var(--c-primary)}
.post-date span{font-size:11px;color:var(--t-3);letter-spacing:.06em;margin-top:6px}
.post-body{display:flex;flex-direction:column;gap:6px;min-width:0}
.post-body h3{font-size:16.5px;font-weight:600;line-height:1.45}
.post-body h3 a:hover{color:var(--c-primary)}
.post-body p{
  font-size:14px;color:var(--t-2);
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.empty-state{
  background:var(--c-sand);border-radius:var(--r-md);min-height:240px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  color:var(--t-2);font-size:15px;text-align:center;
}
.empty-state i{font-size:26px;color:var(--t-3)}
.empty-state a{color:var(--c-primary);font-weight:600;border-bottom:1px solid rgba(17,62,49,.35)}

/* ---------- FAQ ---------- */
.faq .accordion-item{
  border:0;border-radius:var(--r-md);margin-bottom:8px;background:var(--c-surface);
  position:relative;overflow:hidden;
}
.faq .accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--c-accent);
  transform:scaleY(0);transform-origin:top;transition:transform .2s var(--ease);
}
.faq .accordion-item:has(.accordion-button:not(.collapsed))::before{transform:scaleY(1)}
.faq .accordion-button{
  background:var(--c-surface);font-size:16px;font-weight:600;color:var(--t-1);
  padding:20px 22px;box-shadow:none;border-radius:var(--r-md);
}
.faq .accordion-button:not(.collapsed){color:var(--c-primary);background:var(--c-surface);box-shadow:none}
.faq .accordion-button:focus{box-shadow:none}
.faq .accordion-button::after{
  content:"+";background-image:none;width:24px;height:24px;flex:none;
  display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:400;
  color:var(--c-primary);transform:none;transition:transform .2s var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{content:"−";transform:none}
.faq .accordion-body{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--t-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-sand);border-top:1px solid var(--c-border);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px}
.footer-grid h4{font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--t-3);margin-bottom:16px}
.footer-grid ul{display:flex;flex-direction:column;gap:10px}
.footer-grid ul a,.footer-grid p{font-size:14px;color:var(--t-2)}
.footer-grid ul a:hover{color:var(--c-primary)}
.footer-brand p{font-size:14px;color:var(--t-2);margin-top:16px;max-width:320px;line-height:1.8}
.footer-bottom{
  border-top:1px solid var(--c-border);padding:20px 0 26px;display:flex;flex-wrap:wrap;
  gap:12px;justify-content:space-between;align-items:center;
}
.footer-bottom p{font-size:12px;color:var(--t-3)}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--c-border);background:var(--c-surface);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:1050;
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.to-top.is-on{opacity:1;visibility:visible}
.to-top:hover{background:var(--c-accent);color:var(--c-accent-ink);border-color:var(--c-accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--sidebar-w:80px}
  .app-sidebar{padding:20px 12px 16px;align-items:center}
  .sb-brand{padding:0 0 18px;width:100%;display:flex;justify-content:center}
  .brand-text{display:none}
  .sb-link{justify-content:center;padding:0;width:48px;margin:0 auto;height:48px}
  .sb-link span{display:none}
  .sb-link::after{
    content:attr(data-tip);position:absolute;left:calc(100% + 10px);top:50%;transform:translateY(-50%) scale(.96);
    background:var(--c-obsidian);color:#F2F1EC;font-size:12px;padding:5px 10px;border-radius:var(--r-sm);
    white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .16s var(--ease),transform .16s var(--ease);
    z-index:20;
  }
  .sb-link:hover::after{opacity:1;transform:translateY(-50%) scale(1)}
  .sb-cta{width:48px;font-size:0;padding:0}
  .sb-cta::before{content:"\f0f3";font-family:"Font Awesome 6 Free";font-weight:900;font-size:15px}
  .sb-copy{font-size:0;color:transparent;margin-top:8px;height:1px}
  .timeline{grid-template-columns:repeat(3,1fr)}
  .tl-item{border-right:1px solid var(--c-border)}
  .tl-item:nth-child(3n){border-right:0}
}
@media (max-width:991.98px){
  .app-sidebar{display:none}
  .topbar{display:flex}
  .app-main{margin-left:0;padding-top:56px}
  .hero{padding:56px 0 64px}
  .hero h1{font-size:clamp(30px,7vw,44px)}
  .section{padding:64px 0}
  .section-tight{padding:56px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--c-border)}
  .timeline{grid-template-columns:1fr;border-top:0;gap:0}
  .tl-item{border-right:0;border-left:1px solid var(--c-border);padding:0 0 26px 22px;margin-left:5px}
  .tl-item::before{top:4px;left:-5px}
  .tl-item:last-child{padding-bottom:0}
  .tickets{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:14px 4px 26px;margin:36px -4px 0}
  .ticket{min-width:80%;scroll-snap-align:start;transform:none}
  .ticket.is-featured{transform:none}
  .headline{grid-template-columns:1fr}
  .headline img{min-height:200px;aspect-ratio:16/9}
  .post-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:575.98px){
  .wrap{padding:0 20px}
  .hero-actions .btn-x{width:100%}
  .hero-points{gap:8px;flex-direction:column;align-items:flex-start}
  .hero-points li + li::before{display:none}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat{padding:24px 16px}
  .headline-body{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .to-top{right:16px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --c-primary:#113E31;
  --c-primary-deep:#0B2C22;
  --c-primary-soft:#E4EDE8;
  --c-accent:#C7F04A;
  --c-accent-ink:#1A2408;
  --c-sand:#F5F2EA;
  --c-card:#FFFFFF;
  --c-line:#E3DFD4;
  --c-obsidian:#0C0F0E;
  --c-ink:#1B1F1D;
  --c-ink-2:#5C635F;
  --c-ink-3:#8B918D;
  --c-warn:#C4452E;
  --r-sm:4px;
  --r-btn:6px;
  --r-card:10px;
  --r-img:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,15,14,.05);
  --sh-2:0 12px 28px -16px rgba(12,15,14,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:160ms;
  --font:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-card);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
hr{border:0;border-top:1px solid var(--c-line);margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.num,.aside-list time,.crumb{font-variant-numeric:tabular-nums}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
@media (max-width:575.98px){.wrap{padding:0 20px}}

/* ============ 侧栏（App Shell） ============ */
.sb{
  position:fixed;left:0;top:0;bottom:0;width:248px;
  background:var(--c-card);
  border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;gap:14px;
  padding:24px 16px 16px;
  z-index:1040;
}
.sb-brand{display:flex;align-items:center;gap:10px;padding:2px 4px 18px;border-bottom:1px solid var(--c-line)}
.brand-mark{
  width:28px;height:28px;border-radius:6px;background:var(--c-primary);
  position:relative;overflow:hidden;flex:0 0 auto;
}
.brand-mark::before{content:"";position:absolute;top:-8px;left:8px;width:2px;height:46px;background:var(--c-accent);transform:rotate(20deg)}
.brand-mark::after{content:"";position:absolute;right:-10px;bottom:8px;width:34px;height:2px;background:rgba(245,242,234,.72);transform:rotate(-20deg)}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--c-ink)}
.brand-text em{font-size:11px;font-style:normal;letter-spacing:.18em;color:var(--c-ink-3);margin-top:4px}
.sb-label{font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--c-ink-3);padding:0 12px}
.sb-nav{display:flex;flex-direction:column;gap:2px}
.sb-link{
  position:relative;display:flex;align-items:center;gap:12px;
  min-height:44px;padding:0 12px;border-radius:var(--r-btn);
  font-size:15px;color:var(--c-ink-2);
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.sb-link i{width:20px;text-align:center;font-size:15px}
.sb-link::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:2px;
  border-radius:2px;background:transparent;
}
.sb-link:hover{background:rgba(17,62,49,.05);color:var(--c-ink)}
.sb-link.is-active{font-weight:600;color:var(--c-primary);background:rgba(17,62,49,.06)}
.sb-link.is-active::before{background:var(--c-accent)}
.sb-sep{height:1px;background:var(--c-line);margin:6px 4px}
.sb-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.sb-cta{
  height:44px;border-radius:var(--r-btn);
  background:var(--c-primary);color:var(--c-sand);
  display:flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.sb-cta:hover{background:var(--c-accent);color:var(--c-accent-ink)}
.sb-cta i{font-size:13px}
.sb-copy{font-size:12px;line-height:1.6;color:var(--c-ink-3);padding:0 4px}

.app-shell{min-height:100vh;display:flex;flex-direction:column;background:var(--c-card)}
.app-shell main{flex:1 0 auto}

.appbar{display:none}
@media (max-width:991.98px){
  .sb{display:none}
  .appbar{
    display:flex;position:fixed;top:0;left:0;right:0;height:56px;z-index:1040;
    align-items:center;gap:10px;padding:0 12px;
    background:var(--c-card);border-bottom:1px solid var(--c-line);
  }
  .appbar .burger{
    width:44px;height:44px;display:flex;align-items:center;justify-content:center;
    border:0;background:transparent;color:var(--c-primary);font-size:18px;border-radius:var(--r-btn);
  }
  .appbar .burger:hover{background:rgba(17,62,49,.06)}
  .appbar-brand{display:flex;align-items:center;gap:8px;margin-right:auto;overflow:hidden}
  .appbar-brand .brand-mark{width:24px;height:24px}
  .appbar-brand strong{font-size:15px;font-weight:700;white-space:nowrap}
  .appbar-brand em{font-size:10px;font-style:normal;letter-spacing:.14em;color:var(--c-ink-3);white-space:nowrap}
  .appbar-cta{
    height:36px;padding:0 14px;border-radius:var(--r-btn);
    background:var(--c-primary);color:var(--c-sand);font-size:13px;font-weight:600;
    display:flex;align-items:center;white-space:nowrap;
  }
  .appbar-cta:hover{background:var(--c-accent);color:var(--c-accent-ink)}
  .app-shell{padding-top:56px}
}
@media (min-width:992px){
  .app-shell{margin-left:80px}
  .sb{width:80px;padding:20px 10px 16px;align-items:center}
  .sb-brand{padding:0 0 16px;justify-content:center;width:100%}
  .sb-brand .brand-text{display:none}
  .sb-label{display:none}
  .sb-nav{width:100%}
  .sb-link{justify-content:center;gap:0;padding:0}
  .sb-link span{display:none}
  .sb-link::after{
    content:attr(data-tip);
    position:absolute;left:calc(100% + 14px);top:50%;transform:translateY(-50%) translateX(-4px);
    background:var(--c-obsidian);color:var(--c-sand);
    font-size:12px;line-height:1;padding:8px 10px;border-radius:6px;white-space:nowrap;
    opacity:0;pointer-events:none;transition:opacity var(--t) var(--ease),transform var(--t) var(--ease);
  }
  .sb-link:hover::after{opacity:1;transform:translateY(-50%) translateX(0)}
  .sb-cta{width:44px;height:44px;padding:0}
  .sb-cta span{display:none}
  .sb-cta i{font-size:14px}
  .sb-copy{display:none}
  .sb-sep{width:100%}
}
@media (min-width:1200px){
  .app-shell{margin-left:248px}
  .sb{width:248px;padding:24px 16px 16px;align-items:stretch}
  .sb-brand{padding:2px 4px 18px;justify-content:flex-start}
  .sb-brand .brand-text{display:flex}
  .sb-label{display:block}
  .sb-link{justify-content:flex-start;gap:12px;padding:0 12px}
  .sb-link span{display:inline}
  .sb-link::after{display:none}
  .sb-cta{width:auto;height:44px;padding:0 16px}
  .sb-cta span{display:inline}
  .sb-copy{display:block}
}

/* ============ 抽屉导航 ============ */
.sb-drawer{width:84vw;max-width:320px;background:var(--c-card);border-right:1px solid var(--c-line)}
.sb-drawer .offcanvas-header{padding:18px 18px 14px;border-bottom:1px solid var(--c-line)}
.sb-drawer .offcanvas-body{padding:16px 14px 24px;display:flex;flex-direction:column;gap:14px}
.sb-drawer .drawer-close{
  width:38px;height:38px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:transparent;color:var(--c-ink-2);display:flex;align-items:center;justify-content:center;
}
.sb-drawer .drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary)}
.sb-drawer .sb-link{font-size:15px}

/* ============ 文章头部 ============ */
.article-hero{background:var(--c-sand);border-bottom:1px solid var(--c-line);padding:36px 0 44px}
.hero-head{display:grid;gap:32px;grid-template-columns:minmax(0,1fr)}
@media (min-width:992px){
  .hero-head{grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);align-items:center;gap:48px}
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3)}
.crumb a{transition:color var(--t) var(--ease)}
.crumb a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px}
.crumb .sep{color:var(--c-line)}
.crumb .is-current{
  color:var(--c-primary);font-weight:600;max-width:260px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11px;font-weight:600;letter-spacing:.08em;
  padding:5px 10px;border-radius:var(--r-sm);line-height:1;
}
.pill--green{background:var(--c-primary-soft);color:var(--c-primary)}
.pill--accent{background:rgba(199,240,74,.28);color:#3C4A12}
.pill--slate{background:#EAE8E1;color:#4B5350}
.pill--warn{background:rgba(196,69,46,.1);color:var(--c-warn)}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.article-title{
  font-size:clamp(30px,4vw,48px);
  font-weight:800;line-height:1.16;letter-spacing:-.02em;
  color:var(--c-ink);margin-top:18px;max-width:820px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:20px;font-size:13px;color:var(--c-ink-2);
}
.article-meta .dot{color:var(--c-line)}
.hero-figure{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);
  box-shadow:var(--sh-1);aspect-ratio:16/9;background:var(--c-primary-soft);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}

/* ============ 文章主体布局 ============ */
.article-body{padding:56px 0 96px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:56px}
}
.article-main{min-width:0}

/* 正文排版 */
.prose{font-size:17px;line-height:1.9;color:var(--c-ink);max-width:740px}
.prose p{margin:1.5em 0}
.prose p:first-child{margin-top:0}
.prose h2{
  position:relative;font-size:clamp(22px,2.2vw,28px);font-weight:700;line-height:1.3;
  margin:40px 0 16px;padding-left:14px;letter-spacing:-.01em;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.28em;width:3px;height:1em;
  border-radius:2px;background:var(--c-accent);
}
.prose h3{font-size:19px;font-weight:600;color:var(--c-primary);margin:32px 0 12px}
.prose h4{font-size:17px;font-weight:600;margin:26px 0 10px;color:var(--c-ink-2)}
.prose ul,.prose ol{margin:1.4em 0;padding-left:2px}
.prose li{position:relative;padding-left:22px;margin:.6em 0}
.prose ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--c-primary-soft);border:1px solid rgba(17,62,49,.35);
}
.prose ol{counter-reset:prose-ol}
.prose ol li{counter-increment:prose-ol}
.prose ol li::before{
  content:counter(prose-ol);
  position:absolute;left:0;top:.42em;
  font-size:12px;font-weight:700;color:var(--c-primary);
  width:16px;height:16px;border-radius:var(--r-sm);background:var(--c-primary-soft);
  display:flex;align-items:center;justify-content:center;line-height:1;
}
.prose blockquote{
  margin:28px 0;padding:16px 18px;
  border-left:3px solid var(--c-primary);
  background:var(--c-sand);border-radius:0 var(--r-card) var(--r-card) 0;
  color:var(--c-ink-2);font-size:16px;
}
.prose blockquote p{margin:.4em 0}
.prose img{border-radius:var(--r-img);border:1px solid var(--c-line);margin:28px 0 8px;height:auto}
.prose figure{margin:28px 0}
.prose figure img{margin-bottom:10px}
.prose figcaption{font-size:12px;text-align:center;color:var(--c-ink-3);line-height:1.6}
.prose a{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.prose a:hover{color:var(--c-primary-deep);background:rgba(199,240,74,.3)}
.prose code{
  font-size:.9em;padding:2px 6px;border-radius:var(--r-sm);
  background:var(--c-primary-soft);color:var(--c-primary-deep);
}
.prose pre{
  margin:26px 0;padding:18px;border-radius:var(--r-img);
  background:var(--c-obsidian);color:#E9EDE9;overflow-x:auto;
  font-size:14px;line-height:1.7;border:1px solid rgba(255,255,255,.08);
}
.prose pre code{background:none;padding:0;color:inherit}
.prose table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px}
.prose th,.prose td{border:1px solid var(--c-line);padding:10px 12px;text-align:left}
.prose th{background:var(--c-sand);font-weight:600}
.prose strong{font-weight:700}
.prose hr{margin:36px 0}

/* 空态 */
.empty-state{
  min-height:240px;background:var(--c-sand);border:1px solid var(--c-line);
  border-radius:var(--r-card);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:12px;padding:40px 24px;text-align:center;
}
.empty-state i{font-size:26px;color:var(--c-ink-3)}
.empty-state p{font-size:16px;color:var(--c-ink-2)}
.empty-state a{
  font-size:14px;font-weight:600;color:var(--c-primary);
  text-decoration:underline;text-underline-offset:4px;
}

/* 文末区块 */
.post-tags{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  margin-top:48px;padding-top:24px;border-top:1px solid var(--c-line);
}
.post-tags .label{font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--c-ink-3)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
@media (max-width:575.98px){.post-nav{grid-template-columns:1fr}}
.post-nav a{
  display:block;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:18px 18px 16px;
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.post-nav a:hover{transform:translateY(-2px);border-color:rgba(17,62,49,.4);box-shadow:var(--sh-2)}
.post-nav .k{font-size:12px;letter-spacing:.16em;color:var(--c-ink-3)}
.post-nav h3{font-size:16px;font-weight:600;line-height:1.5;margin-top:8px;color:var(--c-ink)}
.post-nav .arw{
  display:inline-block;margin-top:12px;font-size:12px;color:var(--c-primary);
  transition:transform var(--t) var(--ease);
}
.post-nav a:hover .arw{transform:translateX(4px)}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-top:56px;margin-bottom:20px}
.sec-head h2{font-size:clamp(20px,2vw,26px);font-weight:700;letter-spacing:-.01em}
.sec-head a{font-size:13px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.sec-head a:hover{text-decoration:underline;text-underline-offset:4px}

.rel-list li{border-bottom:1px solid var(--c-line)}
.rel-list li:first-child{border-top:1px solid var(--c-line)}
.rel-list a{display:flex;align-items:center;gap:16px;padding:18px 0;transition:background var(--t) var(--ease)}
.rel-list a:hover{background:rgba(17,62,49,.04)}
.rel-list .thumb{
  width:132px;aspect-ratio:16/9;flex:0 0 auto;border-radius:var(--r-img);
  overflow:hidden;border:1px solid var(--c-line);background:var(--c-primary-soft);
}
.rel-list .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 240ms var(--ease)}
.rel-list a:hover .thumb img{transform:scale(1.03)}
.rel-list .txt{min-width:0}
.rel-list h3{font-size:16px;font-weight:600;line-height:1.5}
.rel-list p{font-size:13px;color:var(--c-ink-2);margin-top:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rel-list .meta{font-size:12px;color:var(--c-ink-3);margin-top:8px;display:flex;gap:10px;align-items:center}
@media (max-width:575.98px){
  .rel-list .thumb{display:none}
  .rel-list p{white-space:normal}
}
.back-line{margin-top:28px}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 22px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);
  font-size:15px;font-weight:600;color:var(--c-ink);
  background:transparent;transition:border-color var(--t) var(--ease),background var(--t) var(--ease),color var(--t) var(--ease);
}
.btn-ghost:hover{border-color:var(--c-primary);background:rgba(17,62,49,.05);color:var(--c-primary)}
.btn-ghost i{transition:transform var(--t) var(--ease)}
.btn-ghost:hover i{transform:translateX(4px)}

/* 侧栏粘性栏 */
.article-aside{display:flex;flex-direction:column;gap:20px}
@media (min-width:1200px){
  .article-aside{position:sticky;top:32px;align-self:start}
}
@media (max-width:1199.98px){
  .article-aside{order:2}
  .article-aside .aside-card{background:var(--c-card)}
  .aside-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .aside-grid .aside-card:first-child{grid-column:1 / -1}
}
@media (max-width:575.98px){.aside-grid{grid-template-columns:1fr}}
.aside-card{
  background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px;
}
.aside-card h3{font-size:15px;font-weight:600;letter-spacing:.01em;margin-bottom:14px}
.aside-list li+li{margin-top:14px;padding-top:14px;border-top:1px solid var(--c-line)}
.aside-list a{display:block;font-size:14px;font-weight:600;line-height:1.6;transition:color var(--t) var(--ease)}
.aside-list a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px}
.aside-list .meta{font-size:12px;color:var(--c-ink-3);margin-top:6px}
.aside-note{font-size:13px;line-height:1.75;color:var(--c-ink-2)}
.aside-card--dark{background:var(--c-primary);border-color:var(--c-primary);color:var(--c-sand)}
.aside-card--dark h3{color:var(--c-sand)}
.aside-card--dark p{font-size:13px;line-height:1.75;color:rgba(245,242,234,.78)}
.aside-card--dark .btn-solid{margin-top:14px}

.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border:0;border-radius:var(--r-btn);
  background:var(--c-primary);color:var(--c-sand);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.btn-solid:hover{background:var(--c-accent);color:var(--c-accent-ink)}
.btn-solid i{transition:transform var(--t) var(--ease)}
.btn-solid:hover i{transform:translateX(4px)}
.btn-solid--accent{background:var(--c-accent);color:var(--c-accent-ink)}
.btn-solid--accent:hover{background:#D8FA75;color:var(--c-accent-ink)}

/* 深色收尾 CTA */
.closing-cta{background:var(--c-obsidian);color:var(--c-sand);padding:72px 0;border-top:1px solid rgba(255,255,255,.08)}
.closing-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:28px;align-items:center}
@media (min-width:992px){.closing-grid{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--c-accent)}
.closing-cta h2{font-size:clamp(22px,2.6vw,34px);font-weight:700;line-height:1.25;margin-top:14px;color:#F5F2EA}
.closing-cta p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(245,242,234,.72);max-width:560px}
.closing-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (min-width:992px){.closing-actions{justify-content:flex-end}}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid rgba(245,242,234,.28);background:transparent;color:#F5F2EA;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:border-color var(--t) var(--ease),background var(--t) var(--ease);
}
.btn-ghost-light:hover{border-color:var(--c-accent);color:var(--c-accent);background:rgba(199,240,74,.08)}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-sand);border-top:1px solid var(--c-line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;gap:26px}}
.footer-brand .brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-text strong{font-size:16px}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:var(--c-ink-2);max-width:340px}
.footer-grid h4{font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.footer-grid ul li{margin-bottom:10px}
.footer-grid ul a{font-size:14px;color:var(--c-ink-2);transition:color var(--t) var(--ease)}
.footer-grid ul a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px}
.footer-grid ul li span{font-size:14px;color:var(--c-ink-2)}
.footer-bottom{
  border-top:1px solid var(--c-line);padding:18px 0 28px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12px;color:var(--c-ink-3);
}

/* 返回顶部 */
.to-top{
  position:fixed;right:20px;bottom:20px;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--c-line);background:var(--c-card);color:var(--c-primary);
  display:none;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);z-index:1030;cursor:pointer;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.to-top.is-on{display:flex}
.to-top:hover{background:var(--c-accent);color:var(--c-accent-ink);border-color:var(--c-accent)}
@media (max-width:575.98px){.to-top{right:14px;bottom:14px}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
}

/* roulang page: category1 */
:root{
  --c-primary:#113E31;
  --c-primary-d:#0B2C22;
  --c-primary-l:#E4EDE8;
  --c-accent:#C7F04A;
  --c-accent-ink:#1A2408;
  --c-sand:#F5F2EA;
  --c-card:#FFFFFF;
  --c-line:#E3DFD4;
  --c-dark:#0C0F0E;
  --t-main:#1B1F1D;
  --t-sub:#5C635F;
  --t-weak:#8B918D;
  --err:#C4452E;
  --r-sm:4px;
  --r-btn:6px;
  --r-card:10px;
  --r-img:8px;
  --sh-1:0 1px 2px rgba(12,15,14,.05);
  --sh-2:0 12px 28px -16px rgba(12,15,14,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sb:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t-main);
  background:#FFFFFF;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure,dl,dd{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.num,time,.tl-time,dt{font-variant-numeric:tabular-nums}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 布局骨架 ---------- */
.app-main{padding-left:calc(var(--sb) + 32px)}
@media (min-width:992px) and (max-width:1199.98px){
  :root{--sb:80px}
  .app-main{padding-left:calc(var(--sb) + 24px)}
}
@media (max-width:991.98px){
  .app-main{padding-left:0;padding-top:56px}
}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;top:0;left:0;width:var(--sb);height:100vh;
  display:flex;flex-direction:column;
  background:#FFFFFF;border-right:1px solid var(--c-line);
  padding:24px 20px 20px;z-index:1040;
}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  position:relative;flex:0 0 32px;width:32px;height:32px;border-radius:6px;
  background:var(--c-primary);overflow:hidden;
}
.brand-mark::before,.brand-mark::after{
  content:"";position:absolute;left:-20%;width:140%;height:3px;border-radius:2px;transform:rotate(-20deg);
}
.brand-mark::before{top:9px;background:var(--c-accent)}
.brand-mark::after{top:20px;background:rgba(255,255,255,.85)}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.brand-text strong{font-size:15px;font-weight:800;letter-spacing:.02em;color:var(--t-main)}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.18em;color:var(--t-weak);margin-top:2px}
.sb-nav{display:flex;flex-direction:column;gap:4px;margin-top:28px}
.sb-link{
  position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;
  border-radius:8px;color:var(--t-sub);font-size:15px;
  transition:background .16s var(--ease),color .16s var(--ease);
}
.sb-link i{width:20px;text-align:center;font-size:15px;flex:0 0 20px}
.sb-link:hover{background:rgba(17,62,49,.05);color:var(--t-main)}
.sb-link.is-active{background:rgba(17,62,49,.05);color:var(--c-primary);font-weight:600}
.sb-link.is-active::before{
  content:"";position:absolute;left:-12px;top:8px;bottom:8px;width:2px;
  background:var(--c-primary);border-radius:2px;
}
.sb-sep{height:1px;background:var(--c-line);margin:20px 0 12px}
.sb-foot{margin-top:auto;padding-top:20px}
.sb-cta{width:100%;height:44px;justify-content:center;font-size:14px}
.sb-copy{font-size:12px;color:var(--t-weak);margin-top:12px;line-height:1.6}
@media (min-width:992px) and (max-width:1199.98px){
  .sidebar{padding:20px 12px;align-items:center}
  .brand-text{display:none}
  .sb-nav{width:100%}
  .sb-link{justify-content:center;padding:0;gap:0}
  .sb-link span{display:none}
  .sb-link.is-active::before{left:-6px}
  .sb-link::after{
    content:attr(data-tip);position:absolute;left:60px;top:50%;
    transform:translateY(-50%) scale(.96);transform-origin:left center;
    background:var(--c-dark);color:#F5F2EA;font-size:12px;line-height:1;
    padding:8px 10px;border-radius:6px;white-space:nowrap;
    opacity:0;pointer-events:none;transition:opacity .16s var(--ease),transform .16s var(--ease);
  }
  .sb-link:hover::after{opacity:1;transform:translateY(-50%) scale(1)}
  .sb-cta span{display:none}
  .sb-cta i{font-size:15px}
  .sb-copy{display:none}
}
@media (max-width:991.98px){
  .sidebar{display:none}
}

/* ---------- 移动顶栏与抽屉 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:1050;
  background:rgba(255,255,255,.96);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--c-line);
  align-items:center;gap:12px;padding:0 16px;
}
@media (max-width:991.98px){.topbar{display:flex}}
.hamburger{
  width:44px;height:44px;flex:0 0 44px;border:1px solid var(--c-line);background:#fff;
  border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .16s var(--ease),background .16s var(--ease);
}
.hamburger:hover{border-color:var(--c-primary);background:rgba(17,62,49,.05)}
.hamburger i{font-size:16px;color:var(--c-primary)}
.topbar-name{
  flex:1;min-width:0;font-size:14px;font-weight:800;letter-spacing:.02em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.topbar-cta{
  height:40px;display:inline-flex;align-items:center;padding:0 16px;border-radius:6px;
  background:var(--c-primary);color:#F7F5EF;font-size:14px;font-weight:600;
}
.nav-drawer{width:84vw;max-width:320px;background:#FFFFFF;border-right:1px solid var(--c-line)}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--c-line);padding:16px 20px}
.nav-drawer .offcanvas-body{padding:20px;display:flex;flex-direction:column}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--c-line);background:#fff;border-radius:8px;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.drawer-foot{margin-top:auto;padding-top:24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 26px;
  border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;
  cursor:pointer;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.btn-primary{background:var(--c-primary);color:#F7F5EF}
.btn-primary:hover{background:var(--c-accent);color:var(--c-accent-ink)}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--t-main)}
.btn-ghost:hover{border-color:var(--c-primary);background:rgba(17,62,49,.05);color:var(--c-primary)}
.btn-accent{background:var(--c-accent);color:var(--c-accent-ink)}
.btn-accent:hover{background:#FFFFFF;color:var(--c-primary)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-arrow{transition:transform .18s var(--ease)}
.btn:hover .btn-arrow{transform:translateX(4px)}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-sub);flex-wrap:wrap}
.crumb a{position:relative;transition:color .2s var(--ease)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:var(--t-weak)}
.crumb .cur{color:var(--c-primary);font-weight:600;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 页头 ---------- */
.page-head{background:var(--c-sand);border-bottom:1px solid var(--c-line);padding:44px 0 72px}
.ph-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;margin-top:28px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
  letter-spacing:.16em;color:var(--c-primary);
  background:var(--c-primary-l);border-radius:4px;padding:6px 10px;
}
.page-head h1{
  font-size:clamp(30px,4vw,48px);font-weight:800;line-height:1.1;letter-spacing:-.02em;
  margin-top:20px;max-width:16em;
}
.ph-lead{margin-top:20px;font-size:16px;color:var(--t-sub);max-width:34em}
.ph-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{
  font-size:12px;font-weight:600;letter-spacing:.04em;border-radius:4px;
  padding:6px 10px;background:#fff;border:1px solid var(--c-line);color:var(--t-sub);
}
.chip.tone-a{background:#EDF4EF;border-color:#D8E7DD;color:#1F5140}
.chip.tone-b{background:#F2F4E8;border-color:#E2E8CE;color:#4C5A1E}
.ph-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.ph-media{position:relative}
.ph-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--c-line);box-shadow:var(--sh-2);
}
.ph-media figcaption{
  font-size:12px;color:var(--t-weak);text-align:center;margin-top:10px;
}
@media (max-width:1199.98px){
  .ph-grid{gap:36px}
}
@media (max-width:991.98px){
  .page-head{padding:32px 0 56px}
  .ph-grid{grid-template-columns:1fr;gap:28px}
  .ph-media{order:-1}
  .ph-media img{aspect-ratio:16/9}
}

/* ---------- 通用板块 ---------- */
.sec{padding:96px 0}
.sec-sand{background:var(--c-sand);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.sec-head{max-width:44em}
.sec-head h2{font-size:clamp(24px,2.6vw,36px);font-weight:700;line-height:1.2}
.sec-head p{margin-top:12px;color:var(--t-sub);font-size:15px}
@media (max-width:991.98px){.sec{padding:64px 0}}
@media (max-width:575.98px){
  .wrap{padding:0 20px}
  .sec{padding:56px 0}
}

/* ---------- 数据条 ---------- */
.stats{border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);background:#FFFFFF}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:32px 24px;border-right:1px solid var(--c-line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:clamp(28px,3.4vw,40px);font-weight:800;letter-spacing:-.02em;color:var(--c-primary);line-height:1.1}
.stat span{display:block;font-size:12px;letter-spacing:.1em;color:var(--t-weak);margin-top:8px}
@media (max-width:991.98px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--c-line)}
}
@media (max-width:575.98px){
  .stat{padding:22px 18px}
}

/* ---------- 时间线 ---------- */
.tl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.tl-day{
  background:#FFFFFF;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 22px;transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.tl-day:hover{transform:translateY(-2px);border-color:rgba(17,62,49,.4);box-shadow:var(--sh-2)}
.tl-day header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--c-line)}
.tl-date{font-size:18px;font-weight:700;letter-spacing:-.01em}
.tl-tag{font-size:11px;letter-spacing:.08em;font-weight:600;border-radius:4px;padding:4px 8px;background:#F2F4E8;color:#4C5A1E}
.tl-list{margin-top:8px}
.tl-item{
  position:relative;padding:18px 0 18px 22px;border-bottom:1px solid var(--c-line);
}
.tl-item:last-child{border-bottom:0;padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:0;top:24px;width:10px;height:10px;border-radius:50%;
  background:#fff;border:2px solid var(--c-line);transition:background .2s var(--ease),border-color .2s var(--ease);
}
.tl-item:first-child::before{border-color:var(--c-primary);background:var(--c-accent)}
.tl-item::after{
  content:"";position:absolute;left:4px;top:36px;bottom:-2px;width:1px;background:var(--c-line);
}
.tl-item:last-child::after{display:none}
.tl-time{display:block;font-size:20px;font-weight:700;letter-spacing:-.01em;color:var(--c-primary);line-height:1.2}
.tl-item h3{font-size:16px;font-weight:600;margin-top:6px;line-height:1.35}
.tl-item p{font-size:13px;color:var(--t-sub);margin-top:4px}
.js .tl-item{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.js .tl-item.is-in{opacity:1;transform:none}
@media (max-width:991.98px){
  .tl-grid{grid-template-columns:1fr;gap:16px;margin-top:32px}
}

/* ---------- 明细列表 ---------- */
.detail-block{margin-top:44px}
.detail-block h3{
  font-size:18px;font-weight:700;padding-bottom:12px;border-bottom:2px solid var(--c-primary);
  display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;
}
.detail-block h3 em{font-style:normal;font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--t-weak)}
.detail{display:grid;grid-template-columns:20% 80%;margin:0}
.detail dt{
  padding:18px 16px 18px 0;border-bottom:1px solid var(--c-line);
  font-size:14px;font-weight:600;color:var(--c-primary);letter-spacing:.01em;
}
.detail dd{
  padding:18px 0 18px 20px;border-bottom:1px solid var(--c-line);font-size:15px;
}
.detail dd strong{display:block;font-weight:600;font-size:15px}
.detail dd span{display:block;font-size:13px;color:var(--t-sub);margin-top:4px}
.detail dt:last-of-type,.detail dd:last-of-type{border-bottom:0}
@media (max-width:767.98px){
  .detail{grid-template-columns:1fr}
  .detail dt{padding:18px 0 4px;border-bottom:0;font-size:13px;color:var(--t-weak);letter-spacing:.08em}
  .detail dd{padding:0 0 16px;border-bottom:1px solid var(--c-line)}
}

/* ---------- 场地分布 ---------- */
.venue-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center;margin-top:40px}
.venue-grid img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--c-line);
}
.venue-list li{
  display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--c-line);
}
.venue-list li:first-child{padding-top:0}
.venue-list li:last-child{border-bottom:0}
.venue-num{
  flex:0 0 44px;height:44px;border-radius:8px;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;
  color:var(--c-primary);background:#fff;
}
.venue-list h3{font-size:16px;font-weight:600}
.venue-list p{font-size:13px;color:var(--t-sub);margin-top:4px}
@media (max-width:991.98px){
  .venue-grid{grid-template-columns:1fr;gap:28px}
}

/* ---------- 通栏报名条 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  background:var(--c-dark);color:#F5F2EA;
  padding:44px 48px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
  border:1px solid rgba(255,255,255,.08);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  opacity:.16;
}
.cta-band > *{position:relative}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.25}
.cta-band p{margin-top:10px;font-size:14px;color:rgba(245,242,234,.76);max-width:38em}
@media (max-width:767.98px){
  .cta-band{grid-template-columns:1fr;padding:32px 24px;gap:22px}
}

/* ---------- FAQ ---------- */
.faq-list{margin-top:36px}
.faq-list .accordion-item{background:transparent;border:0;margin-bottom:8px}
.faq-list .accordion-button{
  display:flex;align-items:center;gap:14px;width:100%;
  background:#FFFFFF;border:0;border-radius:var(--r-card)!important;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--t-main);
  box-shadow:none;transition:color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-list .accordion-button:not(.collapsed){
  color:var(--c-primary);background:#FFFFFF;
  box-shadow:inset 2px 0 0 var(--c-accent);
  border-radius:var(--r-card) var(--r-card) 0 0!important;
}
.faq-list .accordion-button::after{display:none}
.faq-list .accordion-button:focus{box-shadow:inset 2px 0 0 var(--c-accent),0 0 0 2px var(--c-accent)}
.faq-mark{
  position:relative;flex:0 0 14px;width:14px;height:14px;margin-left:auto;
}
.faq-mark::before,.faq-mark::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.faq-mark::before{top:6px;left:0;width:14px;height:2px}
.faq-mark::after{left:6px;top:0;width:2px;height:14px}
.faq-list .accordion-button:not(.collapsed) .faq-mark::after{transform:scaleY(0);opacity:0}
.faq-list .accordion-body{
  background:#FFFFFF;border-radius:0 0 var(--r-card) var(--r-card);
  padding:0 22px 22px;font-size:15px;color:var(--t-sub);line-height:1.85;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-sand);border-top:1px solid var(--c-line);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--t-sub);max-width:26em}
.site-footer h4{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--t-main);margin-bottom:16px}
.site-footer ul li{margin-bottom:10px}
.site-footer ul a,.site-footer ul li{font-size:14px;color:var(--t-sub)}
.site-footer ul a{position:relative;transition:color .18s var(--ease)}
.site-footer ul a:hover{color:var(--c-primary)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--c-line);margin-top:48px;padding-top:22px;
}
.footer-bottom p{font-size:12px;color:var(--t-weak)}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:48px 0 24px}
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--c-line);background:#FFFFFF;color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:1060;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),visibility .2s;
  box-shadow:var(--sh-1);
}
.to-top.is-on{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--c-accent);color:var(--c-accent-ink);border-color:var(--c-accent)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important}
  .js .tl-item{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --c-primary:#113E31;
  --c-primary-deep:#0B2C22;
  --c-primary-soft:#E4EDE8;
  --c-accent:#C7F04A;
  --c-accent-ink:#1A2408;
  --c-sand:#F5F2EA;
  --c-surface:#FFFFFF;
  --c-line:#E3DFD4;
  --c-ink:#1B1F1D;
  --c-ink-2:#5C635F;
  --c-ink-3:#8B918D;
  --c-dark:#0C0F0E;
  --c-alert:#C4452E;
  --r-xs:4px; --r-btn:6px; --r-card:10px; --r-img:8px; --r-pill:999px;
  --shadow-1:0 1px 2px rgba(12,15,14,.05);
  --shadow-2:0 12px 28px -16px rgba(12,15,14,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sb-w:248px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-sand);
  color:var(--c-ink);
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-primary-deep)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol,dl,dd{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--c-primary);
  text-transform:none;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--c-accent)}
.h2{font-size:clamp(24px,2.6vw,36px);line-height:1.2;font-weight:700}
.h3{font-size:19px;line-height:1.35;font-weight:600}
.lead{font-size:17px;line-height:1.85;color:var(--c-ink-2)}
.muted{color:var(--c-ink-3);font-size:14px;line-height:1.7}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head p{max-width:520px}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost,.btn-arrow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
  cursor:pointer;border:1px solid transparent;
}
.btn-main{background:var(--c-primary);color:#F5F2EA}
.btn-main:hover{background:var(--c-accent);color:var(--c-accent-ink)}
.btn-main i{transition:transform .2s var(--ease)}
.btn-main:hover i{transform:translateX(4px)}
.btn-main:disabled{opacity:.4;cursor:not-allowed}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-line)}
.btn-ghost:hover{border-color:var(--c-primary);background:rgba(17,62,49,.05)}
.btn-arrow{height:40px;padding:0 4px;background:none;color:var(--c-primary);border:0}
.btn-arrow:hover{color:var(--c-primary-deep)}
.btn-arrow i{transition:transform .2s var(--ease)}
.btn-arrow:hover i{transform:translateX(4px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}

.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  font-size:11px;font-weight:600;letter-spacing:.08em;border-radius:var(--r-xs);
  background:var(--c-primary-soft);color:var(--c-primary);white-space:nowrap;
}
.tag-warm{background:#F3EADB;color:#7A5A22}
.tag-cool{background:#E4EAF1;color:#2F4E6B}
.tag-mint{background:#E7F3E4;color:#2F6B3A}

/* ============ 侧栏 ============ */
.sb{
  position:fixed;top:0;left:0;bottom:0;width:var(--sb-w);
  background:#fff;border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;padding:24px 20px;gap:8px;
  overflow-y:auto;z-index:1040;
}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  position:relative;width:38px;height:38px;flex:none;border-radius:9px;
  background:var(--c-primary);overflow:hidden;
}
.brand-mark::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(115deg,transparent 42%,var(--c-accent) 42%,var(--c-accent) 52%,transparent 52%),
    linear-gradient(115deg,transparent 64%,rgba(245,242,234,.55) 64%,rgba(245,242,234,.55) 70%,transparent 70%);
}
.brand-mark::after{
  content:"";position:absolute;right:6px;bottom:6px;width:9px;height:9px;
  border-radius:2px;background:var(--c-accent);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.01em;color:var(--c-ink)}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.18em;color:var(--c-ink-3);margin-top:3px}
.sb-nav{display:flex;flex-direction:column;gap:2px;margin-top:20px}
.sb-link{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 14px;border-radius:8px;font-size:15px;font-weight:500;color:var(--c-ink-2);
  transition:background .16s var(--ease),color .16s var(--ease);
}
.sb-link i{width:20px;text-align:center;font-size:15px}
.sb-link:hover{background:rgba(17,62,49,.05);color:var(--c-primary)}
.sb-link.is-active{background:rgba(17,62,49,.05);color:var(--c-primary);font-weight:600}
.sb-link.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:22px;border-radius:2px;background:var(--c-accent);
}
.sb-sep{height:1px;background:var(--c-line);margin:18px 0}
.sb-label{font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--c-ink-3);padding:0 14px 6px}
.sb-bottom{margin-top:auto;padding-top:24px}
.sb-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;width:100%;height:44px;
  border-radius:var(--r-btn);background:var(--c-primary);color:#F5F2EA;font-size:14px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.sb-cta:hover{background:var(--c-accent);color:var(--c-accent-ink)}
.sb-copy{font-size:12px;color:var(--c-ink-3);margin-top:12px;line-height:1.6}

/* ============ 顶部栏 & 抽屉 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:1035;
  align-items:center;justify-content:space-between;gap:12px;padding:0 14px;
  background:rgba(245,242,234,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.topbar .brand-text strong{font-size:15px}
.topbar .brand-text em{font-size:10px;letter-spacing:.14em}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;color:var(--c-primary);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{border-color:var(--c-primary);background:var(--c-primary-soft)}
.drawer{width:84vw;max-width:320px;background:#fff;border-right:1px solid var(--c-line)}
.drawer .offcanvas-header{padding:18px 20px;border-bottom:1px solid var(--c-line)}
.drawer .offcanvas-body{padding:18px 20px;display:flex;flex-direction:column}
.drawer .sb-nav{margin-top:0}

/* ============ 主体骨架 ============ */
.main{margin-left:var(--sb-w);min-height:100vh;display:flex;flex-direction:column}
.page-head{padding:56px 0 64px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:28px;flex-wrap:wrap}
.crumb a{color:var(--c-ink-3)}
.crumb a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.crumb span.sep{color:var(--c-line)}
.crumb .now{color:var(--c-primary);font-weight:600}

.head-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.h1{
  font-size:clamp(30px,4vw,48px);line-height:1.1;font-weight:800;letter-spacing:-.02em;
  margin:16px 0 20px;
}
.head-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.shot{
  border-radius:var(--r-img);border:1px solid var(--c-line);overflow:hidden;
  background:var(--c-primary-soft);box-shadow:var(--shadow-1);
}
.shot img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .24s var(--ease)}
.shot:hover img{transform:scale(1.03)}

/* ============ 指标条 ============ */
.metrics{border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);background:rgba(255,255,255,.55)}
.metrics-row{display:grid;grid-template-columns:repeat(4,1fr)}
.metrics-row>div{padding:28px 24px;border-left:1px solid var(--c-line)}
.metrics-row>div:first-child{border-left:0;padding-left:0}
.metrics-row dt{font-size:28px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:var(--c-primary)}
.metrics-row dd{margin-top:4px;font-size:12px;letter-spacing:.04em;color:var(--c-ink-2)}

/* ============ 票种对比 ============ */
.ticket-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:start}
.ticket-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 22px 24px;display:flex;flex-direction:column;gap:18px;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ticket-card:hover{transform:translateY(-2px);border-color:rgba(17,62,49,.4);box-shadow:var(--shadow-2)}
.ticket-card.is-featured{
  background:var(--c-dark);color:#F5F2EA;border-color:var(--c-dark);
  transform:translateY(-12px);box-shadow:var(--shadow-2);
}
.ticket-card.is-featured:hover{transform:translateY(-14px)}
.ticket-card.is-featured .ticket-name,
.ticket-card.is-featured .price{color:#F5F2EA}
.ticket-card.is-featured .ticket-desc,
.ticket-card.is-featured .perks li{color:rgba(245,242,234,.78)}
.ticket-name{font-size:18px;font-weight:700}
.ticket-desc{font-size:13px;line-height:1.7;color:var(--c-ink-2);min-height:44px}
.price{font-size:38px;font-weight:800;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums}
.price small{font-size:14px;font-weight:600;margin-left:6px;letter-spacing:0;color:inherit;opacity:.7}
.perks{display:flex;flex-direction:column;gap:10px;margin-top:2px}
.perks li{position:relative;padding-left:22px;font-size:14px;line-height:1.6;color:var(--c-ink-2)}
.perks li::before{
  content:"";position:absolute;left:0;top:7px;width:9px;height:9px;
  border:1.5px solid var(--c-primary);border-radius:2px;
}
.perks li::after{
  content:"";position:absolute;left:2.5px;top:10px;width:4px;height:2px;
  border-left:1.5px solid var(--c-primary);border-bottom:1.5px solid var(--c-primary);
  transform:rotate(-45deg);
}
.is-featured .perks li::before{border-color:var(--c-accent)}
.is-featured .perks li::after{border-color:var(--c-accent)}
.ticket-card .btn-main,.ticket-card .btn-ghost{width:100%;margin-top:auto}
.is-featured .btn-main{background:var(--c-accent);color:var(--c-accent-ink)}
.is-featured .btn-main:hover{background:#F5F2EA;color:var(--c-primary-deep)}
.ticket-note{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--c-ink-3)}
.is-featured .ticket-note{color:rgba(245,242,234,.6)}

/* 移动端票种手风琴 */
.ticket-accordion{display:none}
.ticket-accordion .accordion-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;margin-bottom:10px;
}
.ticket-accordion .accordion-button{
  background:#fff;font-size:17px;font-weight:600;color:var(--c-ink);
  padding:18px 20px;box-shadow:none;border-radius:0;
}
.ticket-accordion .accordion-button:not(.collapsed){
  background:#fff;color:var(--c-primary);box-shadow:inset 3px 0 0 var(--c-accent);
}
.ticket-accordion .accordion-button::after{display:none}
.ticket-accordion .accordion-body{padding:0 20px 22px;font-size:14px;color:var(--c-ink-2)}
.ticket-accordion .price{font-size:30px;margin:6px 0 14px;color:var(--c-primary)}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{position:relative;padding-top:8px}
.step-num{
  font-size:46px;font-weight:800;line-height:1;letter-spacing:-.03em;
  color:transparent;-webkit-text-stroke:1.5px var(--c-primary);font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;font-weight:600;margin:14px 0 8px}
.step p{font-size:14px;line-height:1.75;color:var(--c-ink-2)}
.step::after{
  content:"";position:absolute;top:26px;left:70px;right:-16px;height:1px;
  background:linear-gradient(90deg,var(--c-line),rgba(227,223,212,0));
}
.step:last-child::after{display:none}

/* ============ 表单 ============ */
.signup-panel{
  background:#0C0F0E;color:#F5F2EA;border-radius:14px;padding:48px;
  border:1px solid rgba(255,255,255,.08);
  display:grid;grid-template-columns:5fr 7fr;gap:48px;
}
.signup-panel .h2{color:#F5F2EA}
.signup-panel p{color:rgba(245,242,234,.72);font-size:15px;margin-top:14px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:600;letter-spacing:.02em}
.ctrl{
  height:48px;padding:0 14px;border-radius:var(--r-btn);font-size:15px;
  background:rgba(255,255,255,.04);border:1px solid rgba(245,242,234,.22);color:#F5F2EA;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ctrl::placeholder{color:rgba(245,242,234,.42)}
select.ctrl{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#C7F04A 50%),linear-gradient(135deg,#C7F04A 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.ctrl:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 2px rgba(199,240,74,.35)}
.form-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:22px}
.form-ok{
  margin-top:18px;padding:12px 14px;border-radius:var(--r-btn);
  background:rgba(199,240,74,.12);border:1px solid rgba(199,240,74,.4);
  color:var(--c-accent);font-size:13px;
}
.compliance{margin-top:14px;font-size:12px;color:rgba(245,242,234,.45);line-height:1.6}

/* ============ 图文须知 ============ */
.notice-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.notice-list{display:flex;flex-direction:column}
.notice-list li{
  display:grid;grid-template-columns:88px 1fr;gap:20px;
  padding:20px 0;border-top:1px solid var(--c-line);
}
.notice-list li:last-child{border-bottom:1px solid var(--c-line)}
.notice-list .k{font-size:13px;font-weight:700;color:var(--c-primary);letter-spacing:.04em;font-variant-numeric:tabular-nums}
.notice-list .v h3{font-size:16px;font-weight:600;margin-bottom:4px}
.notice-list .v p{font-size:14px;line-height:1.75;color:var(--c-ink-2)}

/* ============ FAQ ============ */
.faq-wrap{background:var(--c-sand)}
.faq .accordion-item{
  background:#fff;border:0;border-radius:var(--r-card);overflow:hidden;
  margin-bottom:8px;box-shadow:var(--shadow-1);
}
.faq .accordion-button{
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--c-ink);
  background:#fff;border-radius:0;box-shadow:none;
}
.faq .accordion-button:not(.collapsed){
  background:#fff;color:var(--c-primary);box-shadow:inset 2px 0 0 var(--c-accent);
}
.faq .accordion-button:focus{outline:2px solid var(--c-accent);outline-offset:-2px;box-shadow:none}
.faq .accordion-button::after{display:none}
.faq .accordion-body{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}
.pm{position:relative;width:20px;height:20px;margin-left:auto;flex:none}
.pm::before,.pm::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:1px;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.pm::before{left:2px;right:2px;top:9px;height:2px}
.pm::after{top:2px;bottom:2px;left:9px;width:2px}
.accordion-button:not(.collapsed) .pm::after{transform:rotate(90deg);opacity:0}
.accordion-button:not(.collapsed) .pm::before{background:var(--c-primary)}

/* ============ 深色提示条 ============ */
.band{
  background:var(--c-primary);color:#F5F2EA;border-radius:14px;
  padding:34px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  border:1px solid rgba(255,255,255,.08);
}
.band h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;color:#F5F2EA}
.band p{font-size:14px;color:rgba(245,242,234,.76);margin-top:8px;max-width:640px}
.band .btn-main{background:var(--c-accent);color:var(--c-accent-ink);flex:none}
.band .btn-main:hover{background:#F5F2EA;color:var(--c-primary-deep)}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-sand);border-top:1px solid var(--c-line);padding:64px 0 28px;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--c-ink-2);max-width:340px}
.site-footer h4{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-ink);margin-bottom:16px}
.site-footer ul{display:flex;flex-direction:column;gap:10px}
.site-footer ul li{font-size:14px;color:var(--c-ink-2);line-height:1.6}
.site-footer ul a{color:var(--c-ink-2);position:relative}
.site-footer ul a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--c-primary);
  transition:width .24s var(--ease);
}
.site-footer ul a:hover{color:var(--c-primary)}
.site-footer ul a:hover::after{width:100%}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:12px;color:var(--c-ink-3)}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),background .2s var(--ease),color .2s var(--ease);
  z-index:1050;cursor:pointer;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-accent);color:var(--c-accent-ink);border-color:var(--c-accent)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--sb-w:80px}
  .sb{padding:20px 12px;align-items:center}
  .sb .brand-text,.sb .sb-link span,.sb .sb-label,.sb .sb-copy,.sb .sb-cta span{display:none}
  .sb .sb-nav{width:100%}
  .sb-link{justify-content:center;padding:12px 0}
  .sb-link:hover::after{
    content:attr(data-tip);position:absolute;left:calc(100% + 12px);top:50%;
    transform:translateY(-50%);background:var(--c-dark);color:#F5F2EA;
    font-size:12px;line-height:1;padding:7px 10px;border-radius:6px;white-space:nowrap;z-index:60;
  }
  .sb-cta{width:44px;height:44px;padding:0}
  .sb-bottom{width:100%}
  .head-grid{gap:32px}
}
@media (max-width:991.98px){
  .sb{display:none}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:56px}
  .page-head{padding:40px 0 48px}
  .head-grid{grid-template-columns:1fr;gap:32px}
  .head-grid .shot{order:-1}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .metrics-row{grid-template-columns:1fr 1fr}
  .metrics-row>div{padding:22px 20px;border-left:1px solid var(--c-line);border-top:1px solid var(--c-line)}
  .metrics-row>div:nth-child(-n+2){border-top:0}
  .metrics-row>div:nth-child(odd){border-left:0;padding-left:0}
  .ticket-grid{grid-template-columns:1fr 1fr}
  .ticket-card.is-featured{transform:none}
  .ticket-card.is-featured:hover{transform:translateY(-2px)}
  .steps{grid-template-columns:1fr 1fr;gap:32px}
  .step::after{display:none}
  .signup-panel{grid-template-columns:1fr;padding:36px 28px;gap:32px}
  .notice-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .band{flex-direction:column;align-items:flex-start;padding:28px 24px}
}
@media (max-width:767.98px){
  .wrap{padding:0 20px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .ticket-grid{display:none}
  .ticket-accordion{display:block}
  .steps{grid-template-columns:1fr;gap:28px}
  .step-num{font-size:38px}
  .notice-list li{grid-template-columns:1fr;gap:6px}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-brand p{max-width:none}
  .to-top{right:16px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category3 */
:root{
  --c-primary:#113E31;
  --c-primary-dark:#0B2C22;
  --c-primary-soft:#E4EDE8;
  --c-accent:#C7F04A;
  --c-accent-ink:#1A2408;
  --c-sand:#F5F2EA;
  --c-card:#FFFFFF;
  --c-border:#E3DFD4;
  --c-obsidian:#0C0F0E;
  --c-ink:#1B1F1D;
  --c-ink-2:#5C635F;
  --c-ink-3:#8B918D;
  --c-danger:#C4452E;
  --r-s:4px; --r-b:6px; --r-c:10px; --r-img:8px;
  --shadow-1:0 1px 2px rgba(12,15,14,.05);
  --shadow-2:0 12px 28px -16px rgba(12,15,14,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sb-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--c-sand);color:var(--c-ink);
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-ink);line-height:1.2}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 侧栏 App Shell ---------- */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--sb-w);
  background:var(--c-card);border-right:1px solid var(--c-border);
  display:flex;flex-direction:column;padding:24px 16px 18px;z-index:1030;
}
.brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none;min-width:0}
.brand-mark{position:relative;width:26px;height:26px;flex:0 0 26px;border-radius:var(--r-s);background:var(--c-primary);overflow:hidden}
.brand-mark::before{content:"";position:absolute;left:5px;top:12px;width:16px;height:2px;background:var(--c-accent);transform:skewX(-30deg)}
.brand-mark::after{content:"";position:absolute;left:5px;top:7px;width:10px;height:2px;background:rgba(245,242,234,.72);transform:skewX(-30deg)}
.brand-text{min-width:0}
.brand-text strong{display:block;font-size:15px;font-weight:800;line-height:1.1;letter-spacing:.02em;color:var(--c-ink)}
.brand-text em{display:block;font-style:normal;font-size:11px;letter-spacing:.18em;color:var(--c-ink-3);margin-top:3px}
.sb-brand{padding:0 4px 22px}
.sb-nav{display:flex;flex-direction:column;gap:2px}
.sb-link{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:var(--r-b);color:var(--c-ink-2);
  font-size:14px;font-weight:500;transition:background .16s var(--ease),color .16s var(--ease);
}
.sb-link i{width:18px;text-align:center;font-size:15px;flex:0 0 18px}
.sb-link:hover{background:rgba(17,62,49,.05);color:var(--c-ink)}
.sb-link.is-active{background:rgba(17,62,49,.06);color:var(--c-primary);font-weight:600}
.sb-link.is-active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:2px;background:var(--c-accent);border-radius:2px}
.sb-link::after{
  content:attr(data-tip);position:absolute;left:calc(100% + 14px);top:50%;transform:translateY(-50%);
  background:var(--c-obsidian);color:#F5F2EA;font-size:12px;line-height:1;padding:7px 10px;
  border-radius:var(--r-b);white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .16s var(--ease);z-index:20;
}
.sb-sep{height:1px;background:var(--c-border);margin:18px 8px}
.sb-spacer{flex:1 1 auto;min-height:24px}
.sb-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;height:44px;
  background:var(--c-primary);color:#F5F2EA;border-radius:var(--r-b);
  font-size:14px;font-weight:600;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.sb-cta:hover{background:var(--c-accent);color:var(--c-accent-ink)}
.sb-copy{margin-top:12px;font-size:12px;line-height:1.5;color:var(--c-ink-3);text-align:center}

/* ---------- 移动顶栏 ---------- */
.topbar{
  display:none;position:fixed;left:0;right:0;top:0;height:56px;z-index:1040;
  background:rgba(255,255,255,.96);border-bottom:1px solid var(--c-border);
  align-items:center;gap:12px;padding:0 14px;backdrop-filter:saturate(160%) blur(8px);
}
.tb-btn{
  width:40px;height:40px;border-radius:var(--r-b);border:1px solid var(--c-border);
  background:#fff;color:var(--c-ink);display:grid;place-items:center;flex:0 0 40px;cursor:pointer;
}
.tb-btn:hover{background:var(--c-primary-soft);border-color:rgba(17,62,49,.35)}
.tb-brand{flex:1 1 auto;min-width:0;overflow:hidden}
.tb-brand .brand-text strong{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-brand .brand-text em{font-size:10px;letter-spacing:.14em}
.tb-cta{
  height:38px;padding:0 14px;border-radius:var(--r-b);background:var(--c-primary);color:#F5F2EA;
  font-size:13px;font-weight:600;display:inline-flex;align-items:center;white-space:nowrap;
}
.tb-cta:hover{background:var(--c-accent);color:var(--c-accent-ink)}

/* ---------- 主体偏移 ---------- */
.app-shell{display:flex;flex-direction:column;min-height:100vh}
@media (min-width:1200px){ .app-shell{margin-left:var(--sb-w)} }
@media (min-width:992px) and (max-width:1199.98px){
  .app-shell{margin-left:80px}
  .sidebar{width:80px;padding:20px 12px 16px;align-items:center}
  .sb-brand{padding:0 0 20px}
  .brand-text{display:none}
  .sb-link{justify-content:center;padding:12px 0;width:100%}
  .sb-link span{display:none}
  .sb-link:hover::after{opacity:1}
  .sb-sep{width:56px;margin:16px 0}
  .sb-cta{padding:0;width:44px}
  .sb-cta span{display:none}
  .sb-copy{display:none}
}
@media (max-width:991.98px){
  .sidebar{display:none}
  .topbar{display:flex}
  .app-shell{margin-top:56px}
}
.offcanvas{background:var(--c-card);width:84vw;max-width:320px}
.offcanvas-header{border-bottom:1px solid var(--c-border);padding:18px 20px}
.offcanvas-title{font-size:15px;font-weight:800}
.offcanvas-body{padding:16px 16px 24px;display:flex;flex-direction:column;gap:4px}
.offcanvas .sb-link{padding:13px 12px;font-size:15px}
.oc-divider{height:1px;background:var(--c-border);margin:14px 4px}
.oc-foot{margin-top:auto;padding-top:18px}
.oc-foot .sb-cta{width:100%}

/* ---------- 面包屑 / 眉标 ---------- */
main{flex:1 1 auto}
.crumb{font-size:13px;color:var(--c-ink-2);display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:18px}
.crumb a{color:var(--c-ink-2)}
.crumb a:hover{color:var(--c-primary);text-decoration:underline}
.crumb span.sep{color:var(--c-ink-3)}
.crumb .cur{color:var(--c-primary);font-weight:600;max-width:24ch;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--c-primary);margin-bottom:14px}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-b);font-size:15px;font-weight:600;
  white-space:nowrap;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-main{background:var(--c-primary);color:#F5F2EA;border-color:var(--c-primary)}
.btn-main:hover{background:var(--c-accent);color:var(--c-accent-ink);border-color:var(--c-accent)}
.btn-main i{transition:transform .18s var(--ease)}
.btn-main:hover i{transform:translateX(4px)}
.btn-ghost{background:transparent;color:var(--c-ink);border-color:var(--c-border)}
.btn-ghost:hover{border-color:var(--c-primary);background:rgba(17,62,49,.05);color:var(--c-primary)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.link-arrow i{transition:transform .18s var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- Hero ---------- */
.c3-hero{padding:56px 0 0}
.hero-inner{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center}
.c3-hero h1{font-size:clamp(30px,4vw,48px);font-weight:800;line-height:1.1;letter-spacing:-.02em}
.lead{margin-top:20px;font-size:17px;line-height:1.85;color:var(--c-ink-2);max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;font-size:13px;color:var(--c-ink-2)}
.hero-meta li{display:flex;align-items:center;gap:14px}
.hero-meta li+li::before{content:"";width:1px;height:14px;background:var(--c-border);display:inline-block}
.hero-figure{margin:0}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--c-border);box-shadow:var(--shadow-2);background:var(--c-primary-soft)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0 0}
.section-head{max-width:64ch;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,2.6vw,36px);font-weight:700;line-height:1.2}
.section-head p{margin-top:14px;color:var(--c-ink-2);font-size:16px}

/* ---------- 三步指引 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.step-card{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-c);
  padding:28px 24px;box-shadow:var(--shadow-1);
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.step-card:hover{transform:translateY(-2px);border-color:rgba(17,62,49,.4);box-shadow:var(--shadow-2)}
.step-num{
  display:block;font-size:30px;font-weight:800;line-height:1;letter-spacing:.02em;
  color:transparent;-webkit-text-stroke:1.5px var(--c-primary);font-variant-numeric:tabular-nums;
}
.step-card h3{margin-top:18px;font-size:19px;font-weight:600}
.step-card p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--c-ink-2)}
.figure-wide{margin:24px 0 0}
.figure-wide img{width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--c-border)}
.figure-cap{margin-top:10px;font-size:12px;color:var(--c-ink-3);text-align:center}

/* ---------- 深色数据带 ---------- */
.dark-band{
  background:var(--c-obsidian);color:#F5F2EA;border-radius:var(--r-c);
  border:1px solid rgba(255,255,255,.08);padding:44px 40px;
}
.dark-band h2{color:#F5F2EA;font-size:clamp(22px,2.2vw,30px)}
.dark-band .band-sub{margin-top:12px;font-size:15px;color:rgba(245,242,234,.68);max-width:60ch}
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;margin-top:36px}
.metric{border-top:1px solid rgba(255,255,255,.16);padding-top:18px}
.metric b{display:block;font-size:clamp(28px,3.2vw,40px);font-weight:800;line-height:1.05;color:var(--c-accent);font-variant-numeric:tabular-nums}
.metric span{display:block;margin-top:10px;font-size:12px;line-height:1.6;color:rgba(245,242,234,.72)}

/* ---------- 自查清单 ---------- */
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px}
.check-item{display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--c-border)}
.check-item .idx{
  flex:0 0 34px;width:34px;height:34px;border-radius:var(--r-s);
  background:var(--c-primary-soft);color:var(--c-primary);
  display:grid;place-items:center;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.check-item h3{font-size:16px;font-weight:600;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.check-item p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--c-ink-2)}
.chip{
  display:inline-block;font-size:11px;font-weight:600;letter-spacing:.08em;
  padding:3px 8px;border-radius:var(--r-s);background:var(--c-primary-soft);color:var(--c-primary);
}
.chip.warn{background:#F6E7E2;color:#8E3320}
.chip.cool{background:#E7EDF6;color:#2C4568}
.chip.moss{background:#E8F1D6;color:#3F5A16}

/* ---------- FAQ ---------- */
.faq-wrap{background:var(--c-card);border-radius:var(--r-c);padding:8px;border:1px solid var(--c-border)}
.accordion-item{
  background:var(--c-card);border:1px solid var(--c-border);border-left:2px solid transparent;
  border-radius:var(--r-c);margin-bottom:8px;overflow:hidden;
}
.accordion-item:last-child{margin-bottom:0}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left-color:var(--c-accent)}
.accordion-button{
  display:flex;align-items:center;gap:16px;width:100%;
  background:var(--c-card);color:var(--c-ink);font-size:16px;font-weight:600;line-height:1.5;
  padding:18px 20px;border:0;box-shadow:none;text-align:left;
  transition:color .16s var(--ease),background .16s var(--ease);
}
.accordion-button:not(.collapsed){color:var(--c-primary);background:var(--c-card);box-shadow:none}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--c-accent);outline-offset:-4px}
.accordion-button::after{display:none!important;background-image:none!important}
.faq-mark{position:relative;width:16px;height:16px;flex:0 0 16px;margin-left:auto;color:var(--c-primary)}
.faq-mark::before,.faq-mark::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-mark::before{left:0;top:7px;width:16px;height:2px}
.faq-mark::after{left:7px;top:0;width:2px;height:16px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.accordion-button:not(.collapsed) .faq-mark::after{transform:rotate(90deg);opacity:0}
.accordion-body{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}

/* ---------- 表单 ---------- */
.form-panel{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-c);padding:32px;box-shadow:var(--shadow-1)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.form-field{display:flex;flex-direction:column}
.form-field.full{grid-column:1 / -1}
.form-field label{font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:8px}
.form-field label .req{color:var(--c-danger);margin-left:4px}
.form-field input,.form-field select,.form-field textarea{
  width:100%;font-size:15px;color:var(--c-ink);background:#fff;
  border:1px solid var(--c-border);border-radius:var(--r-b);padding:0 14px;height:48px;
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.form-field textarea{height:auto;min-height:128px;padding:12px 14px;line-height:1.75;resize:vertical}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  border-color:var(--c-primary);outline:2px solid var(--c-accent);outline-offset:2px;
}
.form-hint{margin-top:8px;font-size:12px;color:var(--c-ink-3)}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:26px}
.form-note{font-size:12px;color:var(--c-ink-3)}
.form-ok{
  display:none;margin-top:20px;padding:14px 16px;border-radius:var(--r-b);
  background:var(--c-primary-soft);border:1px solid rgba(17,62,49,.25);
  color:var(--c-primary);font-size:14px;
}
.form-ok.is-on{display:block}

/* ---------- CTA 条 ---------- */
.cta-strip{
  margin-top:96px;padding:36px 0;border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);
  background:linear-gradient(180deg,rgba(228,237,232,.55),rgba(245,242,234,0));
}
.cta-strip .inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px}
.cta-strip h2{font-size:clamp(20px,2.2vw,28px);font-weight:700}
.cta-strip p{margin-top:8px;font-size:14px;color:var(--c-ink-2)}
.cta-strip .acts{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:96px;background:var(--c-card);border-top:1px solid var(--c-border);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:var(--c-ink-2);max-width:38ch}
.site-footer h4{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--c-ink-3);margin-bottom:16px}
.site-footer ul{display:flex;flex-direction:column;gap:10px}
.site-footer li{font-size:14px;color:var(--c-ink-2)}
.site-footer a{position:relative;display:inline-block;color:var(--c-ink-2);transition:color .18s var(--ease)}
.site-footer a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1px;background:var(--c-primary);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.site-footer a:hover{color:var(--c-primary)}
.site-footer a:hover::after{transform:scaleX(1)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--c-border);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
}
.footer-bottom p{font-size:12px;color:var(--c-ink-3)}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:999px;
  border:1px solid var(--c-primary);background:var(--c-primary);color:#F5F2EA;
  display:grid;place-items:center;cursor:pointer;z-index:1050;
  opacity:0;pointer-events:none;transition:opacity .2s var(--ease),background .18s var(--ease),color .18s var(--ease);
}
.to-top.is-on{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--c-accent);color:var(--c-accent-ink);border-color:var(--c-accent)}

/* ---------- 断点 ---------- */
@media (max-width:1199.98px){
  .c3-hero{padding-top:44px}
  .section{padding-top:72px}
  .cta-strip{margin-top:72px}
  .site-footer{margin-top:72px}
}
@media (max-width:991.98px){
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-figure img{aspect-ratio:16/9}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .step-grid{grid-template-columns:1fr}
  .section{padding-top:64px}
}
@media (max-width:767.98px){
  .wrap{padding:0 20px}
  .dark-band{padding:30px 22px}
  .check-list{grid-template-columns:1fr;gap:0}
  .form-grid{grid-template-columns:1fr}
  .form-panel{padding:22px}
  .btn-main,.btn-ghost{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .cta-strip .acts{width:100%}
  .cta-strip .acts .btn-ghost{width:100%}
  .figure-wide img{aspect-ratio:16/9}
  .footer-bottom{flex-direction:column}
}
@media (max-width:575.98px){
  body{font-size:15px}
  .footer-grid{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr 1fr;gap:20px}
  .to-top{right:16px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}