/* roulang page: index */
:root{
  --ink:#14110F;
  --ink-soft:#2B2622;
  --paper:#F7F4EF;
  --paper-2:#EFEAE1;
  --surface:#FFFDF9;
  --accent:#C2542A;
  --accent-2:#2F5D50;
  --line:rgba(20,17,15,.10);
  --line-dark:rgba(255,253,249,.14);
  --text:#14110F;
  --text-2:#57504A;
  --text-3:#8A8179;
  --on-dark:#F7F4EF;
  --on-dark-2:rgba(247,244,239,.68);
  --r-dock:999px;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --dur:260ms;
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#F7F4EF;
  --bs-body-color:#14110F;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --bs-border-color:rgba(20,17,15,.10);
  --bs-primary:#C2542A;
  --bs-border-radius:16px;
  --bs-link-color:#14110F;
  --bs-link-hover-color:#C2542A;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
section[id]{scroll-margin-top:104px;}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:1000;display:flex;justify-content:center;padding:0 16px;pointer-events:none;}
.dock{
  pointer-events:auto;
  width:min(1100px,100%);
  height:68px;
  display:flex;align-items:center;gap:18px;
  padding:0 12px 0 16px;
  border-radius:var(--r-dock);
  background:rgba(247,244,239,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  transition:height var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.dock.is-scrolled{height:56px;box-shadow:0 20px 44px -26px rgba(20,17,15,.30);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--ink);color:var(--paper);
  display:grid;place-items:center;font-size:15px;font-weight:700;letter-spacing:-.03em;
  flex:0 0 30px;
}
.brand-name{font-size:15px;font-weight:700;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
.dock-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.dock-nav a{
  position:relative;font-size:14px;color:var(--ink-soft);padding:8px 12px;border-radius:999px;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.dock-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.dock-nav a:hover{color:var(--ink);}
.dock-nav a:hover::after{transform:scaleX(1);}
.dock-nav a.is-active{color:var(--ink);font-weight:600;}
.dock-nav a.is-active::after{transform:scaleX(1);}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:8px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:transparent;
  display:grid;place-items:center;color:var(--ink);transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.icon-btn:hover{border-color:var(--ink);transform:translateY(-1px);}
.btn-ink{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 26px;border-radius:999px;border:1px solid var(--ink);
  background:var(--ink);color:var(--paper);font-size:14px;font-weight:600;line-height:1;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn-ink:hover{background:var(--accent);border-color:var(--accent);color:var(--paper);transform:translateY(-1px);}
.dock .btn-ink{padding:11px 20px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 26px;border-radius:999px;border:1px solid var(--line);
  background:transparent;color:var(--ink);font-size:14px;font-weight:600;line-height:1;
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-1px);}
.menu-btn{display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:transparent;place-items:center;color:var(--ink);}
.search-panel{
  position:fixed;top:96px;left:50%;transform:translateX(-50%) translateY(-8px);
  width:min(1100px,calc(100% - 32px));z-index:999;opacity:0;pointer-events:none;
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.search-panel.is-open{opacity:1;pointer-events:auto;transform:translateX(-50%) translateY(0);}
.search-panel input{
  width:100%;height:48px;border-radius:var(--r-input);border:1px solid var(--line);
  background:var(--surface);padding:0 18px;font-size:15px;color:var(--ink);
}
.search-panel input::placeholder{color:var(--text-3);}
.search-panel input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(194,84,42,.18);}

.drawer{
  position:fixed;inset:0;z-index:1100;background:var(--paper);
  transform:translateY(-100%);transition:transform 320ms var(--ease);
  display:flex;flex-direction:column;padding:20px 20px 32px;
}
.drawer.is-open{transform:translateY(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;height:56px;font-size:17px;font-weight:600;
  border-bottom:1px solid var(--line);
}
.drawer-nav a:first-child{border-top:1px solid var(--line);}
.drawer-cta{margin-top:24px;display:flex;}
.drawer-cta .btn-ink{width:100%;}
.close-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:transparent;display:grid;place-items:center;}

/* ---------- Hero ---------- */
main{padding-top:104px;}
.hero{padding:clamp(32px,5vw,64px) 0 clamp(40px,6vw,72px);}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,64px);align-items:center;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.14em;
  color:var(--accent);text-transform:uppercase;margin-bottom:18px;
}
.hero h1{
  font-size:clamp(38px,5.2vw,68px);font-weight:700;line-height:1.08;letter-spacing:-.03em;
  max-width:15em;
}
.hero-sub{
  margin-top:20px;font-size:clamp(16px,1.6vw,19px);color:var(--text-2);max-width:24em;
}
.countdown{
  margin-top:32px;display:inline-flex;gap:0;align-items:stretch;
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);
  padding:16px 8px;flex-wrap:nowrap;
}
.cd-cell{padding:0 clamp(10px,1.6vw,22px);text-align:center;border-right:1px solid var(--line);}
.cd-cell:last-child{border-right:0;}
.cd-num{
  display:block;font-size:clamp(30px,4vw,48px);font-weight:200;line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;color:var(--ink);
}
.cd-label{display:block;font-size:12px;color:var(--text-3);margin-top:4px;letter-spacing:.08em;}
.cd-num.flip{animation:cdFlip 160ms var(--ease);}
@keyframes cdFlip{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.hero-note{margin-top:16px;font-size:13px;color:var(--text-3);}
.hero-visual{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;background:rgba(20,17,15,.42);
  mix-blend-mode:multiply;pointer-events:none;
}
.hero-caption{
  position:absolute;left:20px;bottom:20px;z-index:2;color:var(--on-dark);font-size:13px;
  background:rgba(20,17,15,.55);padding:8px 14px;border-radius:999px;
}

/* ---------- 数据条 ---------- */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper-2);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.stat{padding:clamp(28px,4vw,48px) 24px;border-right:1px solid var(--line);}
.stat:first-child{padding-left:0;}
.stat:last-child{border-right:0;}
.stat-num{
  display:block;font-size:clamp(40px,5vw,64px);font-weight:200;line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;color:var(--ink);
}
.stat-num small{font-size:.36em;font-weight:400;letter-spacing:0;color:var(--text-3);margin-left:6px;}
.stat-label{display:block;margin-top:12px;font-size:13px;color:var(--text-2);}

/* ---------- 通用板块 ---------- */
.section{padding:clamp(64px,8vw,112px) 0;border-top:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:clamp(32px,4vw,48px);flex-wrap:wrap;}
.section-head h2{font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.2;letter-spacing:-.02em;}
.section-desc{font-size:14px;color:var(--text-3);max-width:32em;}

/* ---------- 直播卡片 ---------- */
.live-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.live-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.live-card:hover{transform:translateY(-2px);box-shadow:0 20px 44px -26px rgba(20,17,15,.30);}
.live-link{display:block;height:100%;}
.live-cover{position:relative;overflow:hidden;}
.live-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform var(--dur) var(--ease);}
.live-card:hover .live-cover img{transform:scale(1.04);}
.badge{
  position:absolute;top:12px;left:12px;font-size:12px;letter-spacing:.08em;
  padding:4px 10px;border-radius:999px;line-height:1.6;
}
.badge-upcoming{background:rgba(194,84,42,.14);color:var(--accent);border:1px solid rgba(194,84,42,.28);}
.badge-now{background:var(--ink);color:var(--on-dark);border:1px solid var(--ink);}
.badge-replay{background:transparent;color:var(--accent-2);border:1px solid var(--accent-2);}
.live-body{padding:20px 24px 24px;}
.live-time{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.live-body h3{
  font-size:20px;font-weight:600;line-height:1.45;margin-top:8px;letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.points{margin-top:16px;border-top:1px solid var(--line);}
.points li{
  display:flex;align-items:center;gap:12px;min-height:32px;padding:4px 0;
  border-bottom:1px solid var(--line);font-size:14px;color:var(--text-2);
}
.points li .pnum{font-size:12px;font-weight:600;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.06em;flex:0 0 22px;}
.live-action{
  display:inline-flex;align-items:center;justify-content:center;margin-top:20px;
  padding:11px 22px;border-radius:999px;font-size:13px;font-weight:600;
  border:1px solid var(--line);color:var(--ink);background:transparent;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.live-card:hover .live-action{border-color:var(--ink);}
.live-action.solid{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.live-card:hover .live-action.solid{background:var(--accent);border-color:var(--accent);}

/* ---------- 看点条带 ---------- */
.point-list{border-top:1px solid var(--line);}
.point-row{
  display:flex;align-items:flex-start;gap:clamp(20px,4vw,48px);
  padding:clamp(24px,3vw,36px) 16px;border-bottom:1px solid var(--line);
  transition:background var(--dur) var(--ease);
}
.point-row:hover{background:var(--paper-2);}
.point-num{
  font-size:clamp(40px,5vw,60px);font-weight:200;line-height:.95;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;flex:0 0 auto;min-width:88px;
}
.point-text h3{font-size:20px;font-weight:600;letter-spacing:-.01em;margin-bottom:6px;}
.point-text p{font-size:15px;color:var(--text-2);max-width:68ch;}

/* ---------- 最新动态 ---------- */
.updates-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:clamp(24px,3vw,40px);flex-wrap:wrap;}
.text-link{
  font-size:14px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line);
  padding-bottom:2px;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.text-link:hover{color:var(--accent);border-bottom:2px solid var(--accent);}
.updates-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:start;}
.update-lead{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.update-lead:hover{transform:translateY(-2px);box-shadow:0 20px 44px -26px rgba(20,17,15,.30);}
.update-lead-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.update-lead-body{padding:24px;}
.chip{
  display:inline-block;font-size:12px;letter-spacing:.06em;color:var(--text-2);
  border:1px solid var(--line);border-radius:999px;padding:3px 10px;line-height:1.7;
}
.update-lead-body h3{font-size:22px;font-weight:600;line-height:1.45;margin-top:14px;letter-spacing:-.01em;}
.update-lead-body p{margin-top:10px;font-size:15px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.update-meta{display:flex;align-items:center;gap:16px;margin-top:16px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.update-list{border-top:1px solid var(--line);}
.update-row{
  display:block;padding:20px 0;border-bottom:1px solid var(--line);
  transition:background var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.update-row:hover{background:var(--paper-2);padding-left:12px;}
.update-row h3{font-size:17px;font-weight:600;line-height:1.5;margin-top:10px;letter-spacing:-.01em;}
.update-row p{margin-top:6px;font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);min-height:180px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  color:var(--text-3);font-size:15px;padding:32px;text-align:center;
}

/* ---------- 订阅区 ---------- */
.subscribe{background:var(--ink);color:var(--on-dark);padding:clamp(64px,8vw,104px) 0;}
.subscribe h2{font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.2;letter-spacing:-.02em;max-width:20em;}
.subscribe .sub-note{margin-top:12px;font-size:15px;color:var(--on-dark-2);}
.sub-form{display:flex;gap:12px;margin-top:32px;max-width:640px;flex-wrap:wrap;}
.sub-form input{
  flex:1 1 280px;height:48px;border-radius:var(--r-input);
  border:1px solid var(--line-dark);background:transparent;color:var(--on-dark);
  padding:0 16px;font-size:15px;
}
.sub-form input::placeholder{color:rgba(247,244,239,.42);}
.sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(194,84,42,.35);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 26px;border-radius:999px;border:1px solid var(--accent);
  background:var(--accent);color:#FFFDF9;font-size:14px;font-weight:600;line-height:1;
  transition:background var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn-accent:hover{background:#A8462233;background:#a84622;transform:translateY(-1px);}
.sub-form .btn-accent{height:48px;padding:0 26px;}
.privacy{margin-top:16px;font-size:12px;color:rgba(247,244,239,.5);}
.form-msg{margin-top:14px;font-size:13px;color:var(--accent);min-height:20px;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(32px,5vw,64px);align-items:start;}
.faq-intro h2{font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.2;letter-spacing:-.02em;}
.faq-intro p{margin-top:16px;font-size:15px;color:var(--text-2);max-width:30em;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;
  padding:22px 0 22px 12px;position:relative;font-size:17px;font-weight:600;line-height:1.6;
  transition:color var(--dur) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;
  background:var(--accent);opacity:0;transition:opacity var(--dur) var(--ease);
}
.faq-item[open] summary::before{opacity:1;}
.faq-item[open] summary{color:var(--accent);}
.faq-item summary::after{
  content:"";width:14px;height:14px;flex:0 0 14px;margin-left:auto;margin-top:6px;
  background:
    linear-gradient(var(--ink),var(--ink)) center/14px 1.5px no-repeat,
    linear-gradient(var(--ink),var(--ink)) center/1.5px 14px no-repeat;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease);
}
.faq-item[open] summary::after{
  background:linear-gradient(var(--accent),var(--accent)) center/14px 1.5px no-repeat;
  transform:rotate(180deg);
}
.faq-answer{padding:0 0 24px 12px;font-size:15px;color:var(--text-2);max-width:68ch;}

/* ---------- CTA 横条 ---------- */
.cta-band{background:var(--ink);color:var(--on-dark);border-radius:var(--r-card);padding:clamp(28px,4vw,44px);display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;letter-spacing:-.02em;}
.cta-band p{margin-top:8px;font-size:14px;color:var(--on-dark-2);}
.cta-band .btn-accent{flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);padding:clamp(56px,7vw,88px) 0 32px;border-top:1px solid var(--line-dark);}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--paper);color:var(--ink);}
.footer-brand span{font-size:15px;font-weight:700;letter-spacing:-.01em;color:var(--on-dark);}
.footer-desc{font-size:14px;color:var(--on-dark-2);max-width:28em;}
.footer-col h3{font-size:13px;font-weight:600;letter-spacing:.1em;color:rgba(247,244,239,.55);margin-bottom:16px;text-transform:uppercase;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--on-dark-2);transition:color var(--dur) var(--ease);}
.footer-col a:hover{color:var(--accent);}
.footer-contact{font-size:14px;color:var(--on-dark-2);line-height:1.9;}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line-dark);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(247,244,239,.45);
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms var(--ease),transform 520ms var(--ease);}
.reveal.is-in{opacity:1;transform:translateY(0);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .stats-grid{grid-template-columns:repeat(4,1fr);}
  .point-num{min-width:72px;}
}
@media (max-width:991px){
  .dock-nav{display:none;}
  .menu-btn{display:grid;}
  .dock-actions .btn-ink{display:none;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{order:-1;}
  .hero-visual img{aspect-ratio:16/9;}
  .live-grid{grid-template-columns:1fr;}
  .updates-grid{grid-template-columns:1fr;}
  .faq-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat{padding:28px 20px;}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line);}
  .stat:first-child{padding-left:20px;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  main{padding-top:96px;}
  .dock{height:56px;padding:0 10px 0 12px;}
  .brand-name{font-size:14px;}
  .hero h1{font-size:clamp(30px,8.4vw,40px);}
  .countdown{padding:12px 4px;width:100%;justify-content:space-between;}
  .cd-cell{padding:0 6px;flex:1 1 0;}
  .cd-num{font-size:22px;}
  .cd-label{font-size:11px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-ink,.hero-actions .btn-ghost{width:100%;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .point-row{gap:16px;padding:20px 0;}
  .point-num{min-width:56px;font-size:36px;}
  .point-text h3{font-size:18px;}
  .sub-form{flex-direction:column;}
  .sub-form input,.sub-form .btn-accent{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .cta-band .btn-accent{width:100%;}
  .update-lead-body h3{font-size:19px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --ink:#14110F;
  --ink-soft:#2B2622;
  --paper:#F7F4EF;
  --paper-2:#EFEAE1;
  --surface:#FFFDF9;
  --accent:#C2542A;
  --accent-2:#2F5D50;
  --line:rgba(20,17,15,.10);
  --line-strong:rgba(20,17,15,.18);
  --line-dark:rgba(255,253,249,.14);
  --text:#14110F;
  --text-2:#57504A;
  --text-3:#8A8179;
  --r-pill:999px;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --ease:cubic-bezier(.2,.7,.3,1);

  --bs-body-bg:#F7F4EF;
  --bs-body-color:#14110F;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-border-color:rgba(20,17,15,.10);
  --bs-primary:#C2542A;
  --bs-primary-rgb:194,84,42;
  --bs-link-color:#14110F;
  --bs-link-hover-color:#C2542A;
  --bs-border-radius:12px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;transition:color .26s var(--ease);}
a:hover{color:var(--accent);}
button{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent);
}
.section-line{border-top:1px solid var(--line);}

/* ---------- Dock 导航 ---------- */
.dock-wrap{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:1000;
  display:flex;
  justify-content:center;
  padding:0 16px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  position:relative;
  width:min(1100px,100%);
  height:68px;
  display:flex;
  align-items:center;
  gap:24px;
  padding:0 14px 0 18px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(247,244,239,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:height .26s var(--ease),box-shadow .26s var(--ease);
}
.dock.is-condensed{
  height:56px;
  box-shadow:0 20px 44px -26px rgba(20,17,15,.30);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  font-size:15px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:30px;
  height:30px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:9px;
  background:var(--ink);
  color:var(--paper);
  font-size:15px;
  font-weight:700;
  line-height:1;
  letter-spacing:0;
}
.dock-nav{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:8px;
}
.dock-nav a{
  position:relative;
  font-size:14px;
  color:var(--ink-soft);
  padding:6px 0;
  transition:color .26s var(--ease);
}
.dock-nav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:100%;
  height:1px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .26s var(--ease);
}
.dock-nav a:hover{color:var(--ink);}
.dock-nav a:hover::after{transform:scaleX(1);}
.dock-nav a.is-active{color:var(--ink);font-weight:600;}
.dock-nav a.is-active::after{height:2px;transform:scaleX(1);}
.dock-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}
.icon-btn{
  width:40px;
  height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:transparent;
  color:var(--ink-soft);
  cursor:pointer;
  transition:border-color .26s var(--ease),color .26s var(--ease),background .26s var(--ease);
}
.icon-btn:hover{border-color:var(--ink);color:var(--ink);background:rgba(20,17,15,.04);}
.icon-btn svg{width:18px;height:18px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  white-space:nowrap;
  transition:background .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease),transform .26s var(--ease);
}
.btn-primary{background:var(--ink);color:var(--paper);}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink);}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px);}
.btn-light{background:var(--paper);color:var(--ink);}
.btn-light:hover{background:var(--accent);color:#fff;transform:translateY(-1px);}
.btn-sm{padding:11px 20px;font-size:14px;}
.burger{
  display:none;
  width:40px;
  height:40px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:transparent;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  padding:0;
}
.burger span{display:block;width:16px;height:1.5px;background:var(--ink);transition:transform .26s var(--ease);}

/* ---------- 页面主区 ---------- */
.page-main{padding-top:132px;padding-bottom:clamp(64px,8vw,112px);}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:28px;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--accent);}
.crumb .crumb-cur{color:var(--text-3);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.crumb .crumb-cat{color:var(--text-2);}

.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 200px;
  gap:64px;
  align-items:start;
}
.article-main{min-width:0;max-width:760px;}
.article-head{padding-bottom:32px;border-bottom:1px solid var(--line);margin-bottom:40px;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  background:rgba(194,84,42,.10);
  color:var(--accent);
  border:1px solid rgba(194,84,42,.22);
}
.article-head h1{
  font-size:clamp(28px,3.6vw,46px);
  font-weight:700;
  line-height:1.16;
  letter-spacing:-.025em;
  margin:18px 0 18px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 14px;
  font-size:13px;
  color:var(--text-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:8px;}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);display:inline-block;}

/* ---------- 正文排版 ---------- */
.article-body{
  font-size:16px;
  line-height:1.9;
  color:var(--ink-soft);
  overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:clamp(22px,2.2vw,28px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.02em;
  color:var(--ink);
  margin:2.4em 0 .8em;
  scroll-margin-top:110px;
}
.article-body h3{
  font-size:20px;
  font-weight:600;
  line-height:1.35;
  color:var(--ink);
  margin:1.9em 0 .6em;
}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:1.6em 0 .5em;}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em;}
.article-body li{margin:.4em 0;}
.article-body li::marker{color:var(--accent);}
.article-body blockquote{
  margin:1.6em 0;
  padding:20px 22px;
  border-left:3px solid var(--accent);
  background:var(--paper-2);
  border-radius:0 var(--r-input) var(--r-input) 0;
  color:var(--ink-soft);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;height:auto;margin:1.6em auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:12px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--ink);}
.article-body strong{color:var(--ink);font-weight:600;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top;}
.article-body th{background:var(--paper-2);color:var(--ink);font-weight:600;}
.article-body code{background:var(--paper-2);border-radius:6px;padding:2px 6px;font-size:.92em;}

.empty-state{
  min-height:180px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:16px;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-card);
  padding:32px 24px;
  text-align:center;
  color:var(--text-2);
  font-size:15px;
}

/* ---------- 目录 ---------- */
.toc{
  position:sticky;
  top:110px;
  font-size:13px;
  padding-top:6px;
}
.toc h2{
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--text-3);
  margin-bottom:14px;
}
.toc-list a{
  display:block;
  padding:7px 0 7px 12px;
  border-left:2px solid transparent;
  color:var(--text-3);
  line-height:1.55;
  transition:color .26s var(--ease),border-color .26s var(--ease);
}
.toc-list a:hover,
.toc-list a.is-current{color:var(--ink);border-left-color:var(--accent);}

/* ---------- 文末 ---------- */
.article-foot{
  margin-top:56px;
  padding-top:32px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  align-items:center;
}
.article-foot .note{font-size:13px;color:var(--text-3);margin-left:auto;}

.rec-section{padding:clamp(64px,8vw,112px) 0 0;}
.rec-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:32px;
}
.rec-head h2{
  font-size:clamp(26px,3vw,38px);
  font-weight:700;
  letter-spacing:-.02em;
  line-height:1.2;
  margin-top:10px;
}
.rec-head .text-link{
  font-size:14px;
  border-bottom:1px solid var(--line-strong);
  padding-bottom:2px;
  color:var(--ink-soft);
}
.rec-head .text-link:hover{color:var(--accent);border-bottom-width:2px;}
.rec-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.rec-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.rec-card:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  box-shadow:0 20px 44px -26px rgba(20,17,15,.30);
}
.rec-card .thumb{overflow:hidden;}
.rec-card .thumb img{
  width:100%;
  height:170px;
  object-fit:cover;
  border-radius:0;
  transition:transform .26s var(--ease);
}
.rec-card:hover .thumb img{transform:scale(1.04);}
.rec-card .body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-card .meta{font-size:12px;color:var(--text-3);letter-spacing:.02em;}
.rec-card h3{
  font-size:18px;
  font-weight:600;
  line-height:1.45;
  letter-spacing:-.01em;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rec-card .more{margin-top:auto;font-size:13px;color:var(--accent);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-section{padding:clamp(64px,8vw,112px) 0 0;}
.faq-section h2{
  font-size:clamp(26px,3vw,38px);
  font-weight:700;
  letter-spacing:-.02em;
  margin:10px 0 32px;
}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  position:relative;
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0 22px 18px;
  background:none;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
  cursor:pointer;
  transition:color .26s var(--ease);
}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:3px;
  height:22px;
  background:var(--accent);
  transform:translateY(-50%) scaleY(0);
  transform-origin:center;
  transition:transform .26s var(--ease);
}
.faq-item.is-open .faq-q::before{transform:translateY(-50%) scaleY(1);}
.faq-q:hover{color:var(--accent);}
.faq-icon{
  flex:0 0 auto;
  width:18px;
  height:18px;
  position:relative;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--text-2);
  transition:transform .26s var(--ease),opacity .26s var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:1.5px;}
.faq-icon::after{left:8px;top:0;width:1.5px;height:18px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{
  padding:0 44px 24px 18px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}

/* ---------- 订阅区 ---------- */
.subscribe{
  margin-top:clamp(64px,8vw,112px);
  background:var(--ink);
  color:var(--paper);
  padding:clamp(48px,6vw,80px) 0;
}
.subscribe-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.subscribe h2{
  font-size:clamp(26px,3vw,38px);
  font-weight:700;
  letter-spacing:-.02em;
  line-height:1.2;
}
.subscribe p.lead{
  font-size:15px;
  color:rgba(247,244,239,.68);
  margin-top:14px;
  max-width:34em;
}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap;}
.subscribe-form input{
  flex:1 1 240px;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-input);
  border:1px solid var(--line-dark);
  background:rgba(255,253,249,.06);
  color:var(--paper);
  font-size:15px;
  transition:border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.subscribe-form input::placeholder{color:rgba(247,244,239,.42);}
.subscribe-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(194,84,42,.35);}
.subscribe-privacy{
  font-size:12px;
  color:rgba(247,244,239,.52);
  margin-top:14px;
}
.subscribe-tip{
  font-size:13px;
  color:rgba(247,244,239,.82);
  margin-top:10px;
  min-height:20px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:var(--paper);
  border-top:1px solid var(--line-dark);
  padding:clamp(48px,6vw,72px) 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:700;
  letter-spacing:-.01em;
}
.footer-brand .brand-mark{background:var(--paper);color:var(--ink);}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:rgba(247,244,239,.62);
  margin-top:16px;
  max-width:32em;
}
.footer-col h3{
  font-size:13px;
  font-weight:600;
  letter-spacing:.1em;
  color:rgba(247,244,239,.52);
  margin-bottom:16px;
}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(247,244,239,.82);}
.footer-col a:hover{color:var(--accent);}
.footer-contact{font-size:14px;line-height:1.9;color:rgba(247,244,239,.62);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid var(--line-dark);
  font-size:12px;
  color:rgba(247,244,239,.48);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .toc{display:none;}
}
@media (max-width:991.98px){
  .dock-nav{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin:0;
    padding:8px 22px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:20px;
    box-shadow:0 20px 44px -26px rgba(20,17,15,.30);
  }
  body.menu-open .dock-nav{display:flex;}
  .dock-nav a{
    padding:16px 0;
    font-size:16px;
    border-bottom:1px solid var(--line);
  }
  .dock-nav a:last-child{border-bottom:0;}
  .dock-nav a::after{display:none;}
  .dock-nav a.is-active{color:var(--accent);}
  .burger{display:inline-flex;}
  .dock-actions .btn-primary{display:none;}
  .subscribe-inner{grid-template-columns:minmax(0,1fr);gap:28px;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-main{padding-top:118px;}
}
@media (max-width:767.98px){
  .wrap{padding:0 18px;}
  .dock{padding:0 10px 0 14px;gap:12px;}
  .brand{font-size:14px;}
  .brand-name{max-width:8.5em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .article-head h1{font-size:clamp(24px,6vw,32px);}
  .rec-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{justify-content:flex-start;}
  .article-foot .note{margin-left:0;}
  .faq-q{font-size:16px;padding-right:8px;}
  .faq-a{padding-right:8px;}
}
@media (max-width:519.98px){
  .article-meta{font-size:12px;gap:6px 10px;}
  .subscribe-form input{flex:1 1 100%;}
  .subscribe-form .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --ink:#14110F;
  --ink-soft:#2B2622;
  --paper:#F7F4EF;
  --paper-2:#EFEAE1;
  --surface:#FFFDF9;
  --accent:#C2542A;
  --accent-2:#2F5D50;
  --line:rgba(20,17,15,.10);
  --line-strong:rgba(20,17,15,.20);
  --line-dark:rgba(255,253,249,.14);
  --t1:#14110F;
  --t2:#57504A;
  --t3:#8A8179;
  --on-dark:#F7F4EF;
  --on-dark-soft:rgba(247,244,239,.68);
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:260ms;
  --shadow-lift:0 20px 44px -26px rgba(20,17,15,.30);
  --shadow-line:0 1px 0 var(--line);
  --container:1240px;

  --bs-body-bg:#F7F4EF;
  --bs-body-color:#14110F;
  --bs-body-font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --bs-border-color:rgba(20,17,15,.10);
  --bs-primary:#C2542A;
  --bs-border-radius:12px;
  --bs-link-color:#2B2622;
  --bs-link-hover-color:#C2542A;
  --bs-body-line-height:1.85;
  --bs-emphasis-color:#14110F;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ink-soft);text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--accent);}
p{margin:0 0 1.1em;max-width:68ch;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;letter-spacing:-0.02em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
::selection{background:rgba(194,84,42,.18);color:var(--ink);}

:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:4px;
}

.wrap{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:min(1100px, calc(100% - 32px));
  z-index:1000;
}
.dock{
  display:flex;
  align-items:center;
  gap:18px;
  height:68px;
  padding:0 12px 0 16px;
  background:rgba(247,244,239,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:height var(--dur) var(--ease),
             box-shadow var(--dur) var(--ease),
             background var(--dur) var(--ease);
}
.dock-wrap.is-shrink .dock{
  height:56px;
  box-shadow:var(--shadow-lift);
  background:rgba(247,244,239,.94);
}
.dock-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  font-weight:700;
  letter-spacing:-0.01em;
  color:var(--ink);
  white-space:nowrap;
}
.dock-logo:hover{color:var(--ink);}
.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:30px;
  height:30px;
  border-radius:9px;
  background:var(--ink);
  color:var(--paper);
  font-size:15px;
  font-weight:700;
  line-height:1;
  letter-spacing:0;
  transition:background var(--dur) var(--ease);
}
.dock-logo:hover .logo-mark{background:var(--accent);}
.dock-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.dock-nav a{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:14px;
  color:var(--ink-soft);
  border-radius:var(--r-pill);
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.dock-nav a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:1px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--dur) var(--ease);
}
.dock-nav a:hover{color:var(--accent);}
.dock-nav a:hover::after{transform:scaleX(1);}
.dock-nav a.is-active{color:var(--ink);font-weight:600;}
.dock-nav a.is-active::after{
  transform:scaleX(1);
  height:2px;
  background:var(--accent);
}
.dock-side{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:8px;
}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:transparent;
  color:var(--ink-soft);
  cursor:pointer;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.icon-btn:hover{border-color:var(--ink);color:var(--ink);background:var(--surface);}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}

.btn-ink{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border-radius:var(--r-pill);
  background:var(--ink);
  color:var(--paper);
  font-size:14px;
  font-weight:600;
  letter-spacing:.01em;
  border:1px solid var(--ink);
  cursor:pointer;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),
             transform var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn-ink:hover{
  background:var(--accent);
  border-color:var(--accent);
  color:var(--paper);
  transform:translateY(-1px);
}
.btn-ink:active{transform:translateY(0);}
.dock-cta{padding:11px 20px;font-size:13.5px;}

.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  border-radius:var(--r-pill);
  background:transparent;
  border:1px solid var(--line-strong);
  color:var(--ink);
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease),
             transform var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink);background:var(--surface);transform:translateY(-1px);}

.text-link{
  display:inline-block;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  padding-bottom:2px;
  background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat;
  background-position:0 100%;
  background-size:100% 1px;
  transition:background-size var(--dur) var(--ease),color var(--dur) var(--ease);
}
.text-link:hover{color:var(--accent);background-size:100% 2px;}

.dock-burger{
  display:none;
  width:40px;
  height:40px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:transparent;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
  padding:0;
}
.dock-burger span{
  display:block;
  width:16px;
  height:1.5px;
  background:var(--ink);
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.dock-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg);}
.dock-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.dock-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg);}

.dock-drawer{
  display:none;
  margin-top:10px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-lift);
}
.dock-drawer.is-open{display:block;}
.dock-drawer a{
  display:flex;
  align-items:center;
  min-height:56px;
  padding:0 22px;
  font-size:15px;
  color:var(--ink-soft);
  border-bottom:1px solid var(--line);
}
.dock-drawer a:last-child{border-bottom:0;}
.dock-drawer a.is-active{color:var(--accent);font-weight:600;}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t3);
  padding-top:108px;
  margin-bottom:22px;
}
.crumb a{color:var(--t2);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:var(--t3);opacity:.6;}
.crumb .current{color:var(--t3);}

/* ---------- 紧凑 Hero ---------- */
.hero-compact{
  padding-bottom:clamp(40px,5vw,64px);
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:clamp(32px,5vw,64px);
  align-items:center;
}
.eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--accent);
  text-transform:uppercase;
  margin-bottom:18px;
}
.hero-compact h1{
  font-size:clamp(32px,4.2vw,54px);
  line-height:1.1;
  letter-spacing:-0.03em;
  font-weight:700;
  max-width:16ch;
}
.hero-lead{
  margin-top:20px;
  font-size:17px;
  color:var(--t2);
  max-width:34ch;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:30px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:26px;
  margin-top:34px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.hero-meta-item strong{
  display:block;
  font-size:30px;
  font-weight:200;
  letter-spacing:-0.02em;
  line-height:1.1;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.hero-meta-item span{
  display:block;
  margin-top:4px;
  font-size:12.5px;
  color:var(--t3);
  letter-spacing:.04em;
}
.hero-figure{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:4/3;
  background:var(--ink);
}
.hero-figure img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 600ms var(--ease);
}
.hero-figure:hover img{transform:scale(1.04);}
.hero-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(20,17,15,.10) 0%,rgba(20,17,15,.52) 100%);
  pointer-events:none;
}
.hero-figure-cap{
  position:absolute;
  left:20px;
  right:20px;
  bottom:18px;
  z-index:2;
  color:var(--on-dark);
  font-size:13px;
  line-height:1.6;
}
.hero-figure-cap b{display:block;font-size:15px;font-weight:600;margin-bottom:2px;}
.hero-figure-cap span{color:var(--on-dark-soft);}

/* ---------- 主内容：侧锚点 + 分段 ---------- */
.stage{
  padding:clamp(48px,6vw,84px) 0 clamp(56px,7vw,96px);
}
.stage-grid{
  display:grid;
  grid-template-columns:216px minmax(0,1fr);
  gap:clamp(32px,4.5vw,64px);
  align-items:start;
}
.side-rail{
  position:sticky;
  top:104px;
}
.rail-title{
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--t3);
  margin-bottom:14px;
}
.rail-list{
  display:flex;
  flex-direction:column;
  gap:2px;
  border-left:1px solid var(--line);
}
.rail-list a{
  position:relative;
  display:block;
  padding:9px 0 9px 16px;
  font-size:13.5px;
  color:var(--t2);
  line-height:1.5;
  transition:color var(--dur) var(--ease),padding var(--dur) var(--ease);
}
.rail-list a::before{
  content:"";
  position:absolute;
  left:-1px;
  top:8px;
  bottom:8px;
  width:2px;
  background:var(--accent);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform var(--dur) var(--ease);
}
.rail-list a:hover{color:var(--ink);}
.rail-list a:hover::before,
.rail-list a.is-current::before{transform:scaleY(1);}
.rail-list a.is-current{color:var(--ink);font-weight:600;}

.section{
  padding-top:clamp(36px,4.4vw,56px);
  scroll-margin-top:104px;
}
.section:first-child{padding-top:0;}
.section + .section{border-top:1px solid var(--line);}
.section-head{margin-bottom:26px;}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.24;
  letter-spacing:-0.02em;
  margin-top:6px;
}
.section-head .kicker{
  display:block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--accent);
}
.section-intro{
  margin-top:14px;
  color:var(--t2);
  font-size:15.5px;
  max-width:64ch;
}

/* 编号条带 */
.step-list{
  border-top:1px solid var(--line);
}
.step-row{
  display:grid;
  grid-template-columns:78px minmax(0,1fr);
  gap:20px;
  padding:24px 18px;
  border-bottom:1px solid var(--line);
  transition:background var(--dur) var(--ease);
}
.step-row:hover{background:var(--paper-2);}
.step-num{
  font-size:40px;
  font-weight:200;
  line-height:1;
  color:var(--accent);
  letter-spacing:-0.03em;
  font-variant-numeric:tabular-nums;
  padding-top:2px;
}
.step-body h3{
  font-size:19px;
  font-weight:600;
  letter-spacing:-0.01em;
  margin-bottom:6px;
}
.step-body p{
  font-size:15px;
  color:var(--t2);
  max-width:60ch;
  margin:0;
}

/* 图文段 */
.figure-block{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:clamp(24px,3.4vw,40px);
  align-items:center;
  margin-bottom:32px;
}
.figure-block img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--r-img);
  border:1px solid var(--line);
}
.figure-block figcaption{
  margin-top:10px;
  font-size:12.5px;
  color:var(--t3);
  text-align:center;
}
.figure-block h3{
  font-size:21px;
  font-weight:600;
  margin-bottom:12px;
  letter-spacing:-0.01em;
}
.figure-block p{font-size:15.5px;color:var(--t2);}

.check-list{
  display:flex;
  flex-direction:column;
  gap:0;
  border-top:1px solid var(--line);
  margin-top:8px;
}
.check-list li{
  display:flex;
  gap:14px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--t2);
  line-height:1.7;
}
.check-list li::before{
  content:"";
  flex:0 0 auto;
  width:7px;
  height:7px;
  margin-top:9px;
  border-radius:50%;
  border:1.5px solid var(--accent);
}
.check-list li b{color:var(--t1);font-weight:600;}

/* 速查表小卡 */
.trouble-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}
.trouble-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.trouble-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-lift);
  border-color:var(--line-strong);
}
.trouble-card .tc-index{
  font-size:13px;
  font-weight:600;
  letter-spacing:.1em;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.trouble-card h3{
  font-size:17px;
  font-weight:600;
  margin:8px 0 8px;
}
.trouble-card p{
  font-size:14.5px;
  color:var(--t2);
  margin:0;
  max-width:44ch;
}

/* 引用块 */
.quote-block{
  margin:36px 0 0;
  padding:22px 26px;
  background:var(--paper-2);
  border-left:3px solid var(--accent);
  border-radius:0 var(--r-input) var(--r-input) 0;
}
.quote-block p{
  font-size:15.5px;
  color:var(--ink-soft);
  max-width:62ch;
}
.quote-block cite{
  display:block;
  margin-top:10px;
  font-size:12.5px;
  color:var(--t3);
  font-style:normal;
}

/* CTA 横条 */
.cta-bar{
  background:var(--ink);
  color:var(--on-dark);
  border-radius:var(--r-card);
  padding:clamp(28px,3.6vw,44px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  margin-top:clamp(48px,6vw,72px);
}
.cta-bar h2{
  color:var(--on-dark);
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.24;
  letter-spacing:-0.02em;
  max-width:24ch;
}
.cta-bar p{
  margin-top:10px;
  font-size:14.5px;
  color:var(--on-dark-soft);
  max-width:52ch;
}
.cta-bar .btn-paper{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:15px 30px;
  border-radius:var(--r-pill);
  background:var(--paper);
  color:var(--ink);
  font-size:14.5px;
  font-weight:600;
  border:1px solid var(--paper);
  cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.cta-bar .btn-paper:hover{background:var(--accent);border-color:var(--accent);color:var(--paper);transform:translateY(-1px);}

/* FAQ */
.faq-block{margin-top:clamp(48px,6vw,76px);}
.faq-head{margin-bottom:22px;}
.faq-head h2{
  font-size:clamp(24px,2.6vw,32px);
  letter-spacing:-0.02em;
  margin-top:6px;
}
.faq-head .kicker{
  display:block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--accent);
}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  position:relative;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
  width:100%;
  padding:22px 0 22px 0;
  background:none;
  border:0;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--t1);
  cursor:pointer;
  transition:color var(--dur) var(--ease),padding var(--dur) var(--ease);
}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;
  top:20px;
  bottom:20px;
  width:3px;
  background:var(--accent);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform var(--dur) var(--ease);
}
.faq-q:hover{color:var(--accent);}
.faq-item.is-open .faq-q{padding-left:18px;}
.faq-item.is-open .faq-q::before{transform:scaleY(1);}
.faq-sign{
  flex:0 0 auto;
  position:relative;
  width:16px;
  height:16px;
  margin-top:6px;
}
.faq-sign::before,
.faq-sign::after{
  content:"";
  position:absolute;
  background:var(--accent);
  border-radius:1px;
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.faq-sign::before{left:0;right:0;top:7px;height:1.5px;}
.faq-sign::after{top:0;bottom:0;left:7px;width:1.5px;}
.faq-item.is-open .faq-sign::after{transform:scaleY(0);opacity:0;}
.faq-a{
  overflow:hidden;
  max-height:0;
  transition:max-height 340ms var(--ease);
}
.faq-a-inner{
  padding:0 0 24px 18px;
  font-size:15px;
  color:var(--t2);
  max-width:64ch;
}
.faq-a-inner p{margin:0;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:var(--on-dark);
  margin-top:clamp(64px,8vw,110px);
  padding:clamp(48px,6vw,76px) 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:clamp(28px,4vw,56px);
  padding-bottom:clamp(36px,4vw,56px);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:700;
  letter-spacing:-0.01em;
  color:var(--on-dark);
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:30px;
  height:30px;
  border-radius:9px;
  background:var(--paper);
  color:var(--ink);
  font-size:15px;
  font-weight:700;
  line-height:1;
}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:var(--on-dark-soft);
  max-width:34ch;
}
.footer-col h3{
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  color:rgba(247,244,239,.55);
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:var(--on-dark-soft);
  transition:color var(--dur) var(--ease);
}
.footer-col a:hover{color:var(--on-dark);}
.footer-contact{
  font-size:14px;
  line-height:1.9;
  color:var(--on-dark-soft);
  max-width:26ch;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:22px 0 28px;
  border-top:1px solid var(--line-dark);
  font-size:12.5px;
  color:rgba(247,244,239,.55);
  letter-spacing:.02em;
}

/* 动效 */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity 520ms var(--ease),transform 520ms var(--ease);
}
.reveal.is-in{opacity:1;transform:none;}

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

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .stage-grid{grid-template-columns:190px minmax(0,1fr);gap:40px;}
  .hero-compact h1{letter-spacing:-0.025em;}
}

@media (max-width:991px){
  .dock-nav{display:none;}
  .dock-burger{display:inline-flex;}
  .dock-cta{display:none;}
  .dock-logo{font-size:14px;}
  .crumb{padding-top:100px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-compact h1{max-width:none;}
  .hero-figure{aspect-ratio:16/9;}
  .stage-grid{grid-template-columns:1fr;gap:28px;}
  .side-rail{position:static;top:auto;}
  .rail-list{
    flex-direction:row;
    gap:8px;
    overflow-x:auto;
    border-left:0;
    padding-bottom:6px;
    scrollbar-width:thin;
  }
  .rail-list a{
    flex:0 0 auto;
    padding:8px 14px;
    border:1px solid var(--line);
    border-radius:var(--r-pill);
    font-size:13px;
    white-space:nowrap;
  }
  .rail-list a::before{display:none;}
  .rail-list a.is-current{border-color:var(--ink);background:var(--surface);}
  .figure-block{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}

@media (max-width:767px){
  .wrap{padding:0 18px;}
  .dock{height:60px;padding:0 10px 0 12px;gap:10px;}
  .dock-wrap.is-shrink .dock{height:54px;}
  .logo-mark{width:26px;height:26px;border-radius:8px;font-size:13px;}
  .dock-logo{font-size:13px;}
  .icon-btn{width:36px;height:36px;}
  .dock-burger{width:36px;height:36px;}
  .crumb{padding-top:92px;font-size:12.5px;}
  .hero-compact h1{font-size:clamp(28px,7.4vw,38px);letter-spacing:-0.02em;}
  .hero-lead{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn-ink,
  .hero-actions .btn-ghost{width:100%;}
  .hero-meta{gap:20px;margin-top:26px;}
  .hero-meta-item strong{font-size:24px;}
  .step-row{grid-template-columns:56px minmax(0,1fr);gap:14px;padding:20px 8px;}
  .step-num{font-size:30px;}
  .step-body h3{font-size:17px;}
  .trouble-grid{grid-template-columns:1fr;}
  .cta-bar{flex-direction:column;align-items:flex-start;gap:20px;}
  .cta-bar h2{max-width:none;}
  .cta-bar .btn-paper{width:100%;}
  .faq-q{font-size:15.5px;padding:18px 0;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
}

@media (max-width:520px){
  .hero-figure-cap{left:16px;right:16px;bottom:14px;font-size:12px;}
  .hero-figure-cap b{font-size:13.5px;}
  .section-head h2{font-size:22px;}
  .quote-block{padding:18px 20px;}
  .cta-bar{padding:24px 20px;}
  .footer-brand{font-size:15px;}
}

/* roulang page: category2 */
:root{
  --ink:#14110F;
  --ink-soft:#2B2622;
  --paper:#F7F4EF;
  --paper-2:#EFEAE1;
  --surface:#FFFDF9;
  --accent:#C2542A;
  --accent-2:#2F5D50;
  --line:rgba(20,17,15,.10);
  --line-dark:rgba(255,253,249,.14);
  --text-2:#57504A;
  --text-3:#8A8179;
  --on-dark:#F7F4EF;
  --on-dark-2:rgba(247,244,239,.68);
  --r-pill:999px;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --shadow-hover:0 20px 44px -26px rgba(20,17,15,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:260ms var(--ease);
  --bs-body-bg:#F7F4EF;
  --bs-body-color:#14110F;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-border-color:rgba(20,17,15,.10);
  --bs-primary:#C2542A;
  --bs-primary-rgb:194,84,42;
  --bs-link-color:#14110F;
  --bs-link-hover-color:#C2542A;
  --bs-border-radius:16px;
  --bs-border-radius-lg:16px;
  --bs-border-radius-sm:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--t)}
button{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.14em;
  color:var(--accent);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow.on-dark{color:rgba(247,244,239,.72)}
h1{font-size:clamp(38px,5.2vw,66px);font-weight:700;line-height:1.08;letter-spacing:-.03em}
h2{font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.2;letter-spacing:-.02em}
h3{font-size:21px;font-weight:600;line-height:1.4;letter-spacing:-.01em}
.lead{font-size:17px;color:var(--text-2);max-width:44ch;margin-top:18px}
.section{padding:clamp(64px,8vw,110px) 0;border-top:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:clamp(32px,4vw,52px)}
.section-head p{color:var(--text-2);margin-top:16px;max-width:64ch}

/* ---------- Dock 导航 ---------- */
.site-head{position:fixed;top:16px;left:0;right:0;z-index:1030;display:flex;justify-content:center;padding:0 16px}
.dock{
  position:relative;width:min(1100px,100%);height:68px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:0 10px 0 18px;border-radius:var(--r-pill);
  background:rgba(247,244,239,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);
  transition:height var(--t),box-shadow var(--t);
}
.dock.is-scrolled{height:56px;box-shadow:var(--shadow-hover)}
.brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--ink);color:var(--paper);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;line-height:1;letter-spacing:0;
}
.dock-nav{display:flex;align-items:center;gap:26px}
.dock-nav a{
  position:relative;font-size:14px;color:var(--ink-soft);padding:6px 0;white-space:nowrap;
}
.dock-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.dock-nav a:hover{color:var(--accent)}
.dock-nav a:hover::after{transform:scaleX(1)}
.dock-nav a.is-active{color:var(--ink);font-weight:600}
.dock-nav a.is-active::after{height:2px;transform:scaleX(1)}
.dock-right{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:transparent;color:var(--ink);display:inline-flex;align-items:center;justify-content:center;
  transition:border-color var(--t),color var(--t),background var(--t);
}
.icon-btn:hover{border-color:var(--ink);color:var(--accent)}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.6;fill:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:14px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn:active{transform:translateY(1px)}
.btn-primary-ink{background:var(--ink);color:var(--paper)}
.btn-primary-ink:hover{background:var(--accent);color:var(--paper);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-pill-sm{padding:11px 20px;font-size:13px}
.btn-invert{background:var(--paper);color:var(--ink)}
.btn-invert:hover{background:var(--accent);color:var(--paper);transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:var(--paper);border-color:rgba(247,244,239,.38)}
.btn-outline-light:hover{border-color:var(--paper);background:rgba(247,244,239,.10)}
.burger{display:none;width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);background:transparent;align-items:center;justify-content:center;color:var(--ink)}
.burger svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.6;fill:none}
.text-link{
  display:inline-block;font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--ink);padding-bottom:2px;
  transition:color var(--t),border-color var(--t),border-width var(--t);
}
.text-link:hover{color:var(--accent);border-color:var(--accent);border-bottom-width:2px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;isolation:isolate;padding:150px 0 78px;background:var(--ink)}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:rgba(20,17,15,.72)}
.hero-inner{max-width:900px}
.hero h1{color:var(--on-dark);max-width:16ch}
.hero h1 .hl{display:block;color:var(--paper);border-bottom:3px solid var(--accent);padding-bottom:6px;width:fit-content}
.hero-sub{color:var(--on-dark-2);font-size:18px;margin-top:22px;max-width:32ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:38px;
  font-size:13px;color:var(--on-dark-2);letter-spacing:.01em;
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent)}

/* ---------- Bento ---------- */
.bento{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:18px;grid-auto-rows:minmax(170px,auto);
}
.bento-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;justify-content:space-between;gap:16px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.bento-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(20,17,15,.18)}
.bento-lg{grid-column:span 2;grid-row:span 2;padding:0;overflow:hidden;justify-content:flex-start;gap:0}
.bento-lg figure{position:relative;overflow:hidden;border-radius:0}
.bento-lg figure img{width:100%;height:250px;object-fit:cover;transition:transform var(--t)}
.bento-lg:hover figure img{transform:scale(1.04)}
.bento-lg .bento-body{padding:24px}
.bento-lg h3{margin-bottom:10px}
.bento-lg p{color:var(--text-2);font-size:15px}
.bento-wide{grid-column:span 4}
.bento-tag{
  align-self:flex-start;font-size:12px;letter-spacing:.08em;font-weight:600;
  padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(194,84,42,.10);color:var(--accent);
}
.bento-tag.green{background:rgba(47,93,80,.10);color:var(--accent-2);border:1px solid rgba(47,93,80,.30)}
.bento-card p{color:var(--text-2);font-size:15px}
.bento-wide-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.bento-wide h3{max-width:22ch}
.list-line{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:baseline}
.list-line .num{
  font-size:26px;font-weight:250;line-height:1;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.step{padding:28px 22px 0 0;border-right:1px solid var(--line)}
.step:last-child{border-right:0;padding-right:0}
.step-num{
  display:block;font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--text-3);
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{margin-bottom:10px}
.step p{color:var(--text-2);font-size:15px}

/* ---------- 数据对照 ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.stat{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;
}
.stat-num{
  font-size:clamp(40px,5vw,62px);font-weight:250;line-height:1;letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;color:var(--ink);
}
.stat-unit{font-size:15px;font-weight:600;margin-left:6px;color:var(--text-2)}
.stat p{color:var(--text-2);font-size:14px;margin-top:14px}
.stat-bar{height:3px;background:rgba(20,17,15,.10);border-radius:2px;margin-top:18px;overflow:hidden}
.stat-bar i{display:block;height:100%;background:var(--accent-2);border-radius:2px}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  padding:22px 48px 22px 18px;font-size:17px;font-weight:600;color:var(--ink);
  transition:color var(--t),padding var(--t);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;
  background:var(--accent);border-radius:2px;transform:scaleY(0);transform-origin:top;
  transition:transform var(--t);
}
.faq-item summary::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:300;color:var(--text-3);transition:color var(--t),transform var(--t);
}
.faq-item[open] summary::before{transform:scaleY(1)}
.faq-item[open] summary{color:var(--accent)}
.faq-item[open] summary::after{content:"−";color:var(--accent);transform:translateY(-50%) rotate(180deg)}
.faq-body{padding:0 48px 26px 18px;color:var(--text-2);font-size:15px}
.faq-body p{max-width:68ch}

/* ---------- 订阅区 ---------- */
.subscribe{background:var(--ink);color:var(--on-dark);padding:clamp(56px,7vw,92px) 0}
.subscribe h2{color:var(--on-dark);max-width:20ch}
.subscribe .sub-desc{color:var(--on-dark-2);margin-top:14px;font-size:16px;max-width:56ch}
.subscribe-form{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;max-width:620px}
.subscribe-form input{
  flex:1 1 260px;min-width:0;height:48px;padding:0 18px;border-radius:var(--r-input);
  background:rgba(247,244,239,.06);border:1px solid var(--line-dark);color:var(--on-dark);
  font-size:15px;transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.subscribe-form input::placeholder{color:rgba(247,244,239,.45)}
.subscribe-form input:focus{
  outline:none;border-color:var(--accent);background:rgba(247,244,239,.10);
  box-shadow:0 0 0 2px rgba(194,84,42,.45);outline-offset:2px;
}
.subscribe-form .btn{height:48px;flex:0 0 auto}
.form-tip{font-size:13px;color:rgba(247,244,239,.58);margin-top:16px;min-height:20px}
.back-home{margin-top:34px}
.back-home a{
  font-size:14px;color:var(--on-dark);border-bottom:1px solid rgba(247,244,239,.45);
  padding-bottom:2px;transition:color var(--t),border-color var(--t);
}
.back-home a:hover{color:var(--accent);border-color:var(--accent)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);padding:clamp(56px,7vw,88px) 0 28px;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;letter-spacing:-.01em;color:var(--on-dark)}
.footer-brand .brand-mark{background:var(--paper);color:var(--ink)}
.footer-desc{color:var(--on-dark-2);font-size:14px;margin-top:16px;max-width:30ch}
.footer-col h3{font-size:13px;font-weight:600;letter-spacing:.12em;color:rgba(247,244,239,.55);margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:var(--on-dark-2)}
.footer-col ul li a:hover{color:var(--accent)}
.footer-contact{font-size:14px;color:var(--on-dark-2);line-height:2}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line-dark);
  font-size:13px;color:rgba(247,244,239,.50);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-lg{grid-column:span 2;grid-row:auto}
  .bento-wide{grid-column:span 2}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step{border-right:0;border-bottom:1px solid var(--line);padding:26px 24px 24px 0}
  .step:nth-child(2n){padding-right:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .dock{height:60px;padding:0 8px 0 14px}
  .dock-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper);border:1px solid var(--line);border-radius:20px;
    padding:8px;display:none;box-shadow:var(--shadow-hover);
  }
  .dock-nav.is-open{display:flex}
  .dock-nav a{padding:14px 16px;border-radius:12px;font-size:15px}
  .dock-nav a::after{display:none}
  .dock-nav a.is-active{background:var(--paper-2);color:var(--accent)}
  .burger{display:inline-flex}
  .icon-btn{display:none}
  .hero{padding:132px 0 64px}
  .hero h1{max-width:100%}
  .stats{grid-template-columns:1fr}
}
@media (max-width:767px){
  .wrap{padding:0 18px}
  .bento{grid-template-columns:1fr}
  .bento-lg,.bento-wide{grid-column:span 1}
  .bento-lg figure img{height:200px}
  .steps{grid-template-columns:1fr}
  .step{padding-right:0}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .faq-body{padding-right:24px}
  .subscribe-form .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .brand span:last-child{font-size:13px}
  .btn{padding:12px 20px}
  .bento-card{padding:20px}
  .stat{padding:22px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}