/* roulang page: index */
:root{
  --ink:#14171A;
  --ink-2:#4A5157;
  --ink-3:#6E767C;
  --sand:#F5F2EC;
  --sand-2:#EDE8DF;
  --white:#FFFFFF;
  --line:#E2DED6;
  --line-dark:rgba(255,255,255,.14);
  --orange:#E4552B;
  --orange-d:#C2431F;
  --orange-12:rgba(228,85,43,.12);
  --orange-40:rgba(228,85,43,.40);
  --green:#1F6F5C;
  --r-pill:999px;
  --r-card:16px;
  --r-img:12px;
  --r-hero:20px;
  --r-sm:6px;
  --sh-1:0 2px 8px rgba(20,23,26,.06);
  --sh-2:0 8px 24px rgba(20,23,26,.10);
  --sh-3:0 12px 32px rgba(20,23,26,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --wrap:1200px;
  --num:"Barlow Condensed","Oswald",Impact,"Arial Narrow",sans-serif;
  --cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}

/* ---------- Bootstrap 变量重塑 ---------- */
:root{
  --bs-body-font-family:var(--cn);
  --bs-body-color:var(--ink);
  --bs-body-bg:var(--sand);
  --bs-border-radius:var(--r-card);
  --bs-border-color:var(--line);
  --bs-link-color:var(--ink);
  --bs-link-hover-color:var(--orange);
  --bs-primary:var(--orange);
  --bs-primary-rgb:228,85,43;
  --bs-font-sans-serif:var(--cn);
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  font-family:var(--cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--ink);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--orange);}
img{max-width:100%;display:block;}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,textarea,select{font-family:inherit;}

a:focus-visible,
button:focus-visible,
.faq-q:focus-visible{
  outline:2px solid var(--orange-40);
  outline-offset:3px;
  border-radius:var(--r-sm);
}

.container{
  max-width:var(--wrap)!important;
  padding-left:32px!important;
  padding-right:32px!important;
  width:100%;
  margin:0 auto;
}

.num{font-family:var(--num);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

.section{padding:88px 0;}
.section-sm{padding:64px 0;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:600;
  color:var(--orange);
  border:1px solid var(--orange);
  border-radius:var(--r-pill);
  padding:6px 14px;
  background:var(--orange-12);
  line-height:1.2;
}

.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-bottom:32px;
}
.sec-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--ink);
}
.sec-head .sec-desc{
  margin-top:10px;
  font-size:15px;
  color:var(--ink-3);
  max-width:34em;
  line-height:1.75;
}
.sec-link{
  flex:none;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  display:inline-flex;align-items:center;gap:6px;
  padding-bottom:4px;
  border-bottom:1.5px solid transparent;
  transition:color .24s var(--ease),border-color .24s var(--ease);
}
.sec-link:hover{color:var(--orange);border-color:var(--orange);}
.sec-link i{font-style:normal;transition:transform .24s var(--ease);display:inline-block;}
.sec-link:hover i{transform:translateX(4px);}

/* ---------- 按钮 ---------- */
.btn-ht{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;
  border-radius:var(--r-pill);
  background:var(--orange);color:#fff;
  font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid var(--orange);
  transition:background .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease),color .24s var(--ease);
  white-space:nowrap;
}
.btn-ht:hover{background:var(--orange-d);border-color:var(--orange-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ht:active{transform:translateY(0);box-shadow:var(--sh-1);}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  border-radius:var(--r-pill);
  background:transparent;
  color:var(--orange);
  border:1.5px solid var(--orange);
  font-size:15px;font-weight:600;line-height:1;
  transition:background .24s var(--ease),transform .24s var(--ease);
}
.btn-ghost:hover{background:var(--orange-12);color:var(--orange-d);transform:translateY(-1px);}

.btn-dark-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  border:1.5px solid var(--ink);color:var(--ink);background:transparent;
  font-size:15px;font-weight:600;line-height:1;
  transition:background .24s var(--ease),color .24s var(--ease);
}
.btn-dark-ghost:hover{background:var(--ink);color:#fff;}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--ink);
  position:relative;padding-bottom:3px;
  min-height:44px;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:6px;height:1.5px;width:0;
  background:var(--orange);transition:width .24s var(--ease);
}
.link-arrow:hover::after{width:100%;}
.link-arrow i{font-style:normal;transition:transform .24s var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 顶部倒计时条 ---------- */
.ticker{
  position:sticky;top:0;z-index:1040;
  background:var(--ink);
  color:#F5F2EC;
  min-height:40px;
  display:flex;align-items:center;
}
.ticker-inner{
  width:100%;max-width:var(--wrap);margin:0 auto;
  padding:0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:40px;
}
.ticker-left{display:flex;align-items:center;gap:9px;font-size:13px;letter-spacing:.02em;}
.dot{
  width:7px;height:7px;border-radius:50%;background:var(--orange);
  box-shadow:0 0 0 3px rgba(228,85,43,.22);
  flex:none;
  animation:pulse 2.4s var(--ease) infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 3px rgba(228,85,43,.22);}
  50%{box-shadow:0 0 0 6px rgba(228,85,43,.05);}
}
.ticker-right{display:flex;align-items:center;gap:16px;}
.count{display:flex;align-items:center;gap:12px;}
.count-cell{display:flex;align-items:baseline;gap:4px;}
.count-cell b{
  font-family:var(--num);font-variant-numeric:tabular-nums;
  font-size:17px;font-weight:600;line-height:1;color:#fff;
}
.count-cell span{font-size:11px;opacity:.55;line-height:1;}
.ticker-cta{
  display:inline-flex;align-items:center;gap:4px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--orange);color:#fff;font-size:12px;font-weight:600;line-height:1;
  transition:background .24s var(--ease);
}
.ticker-cta:hover{background:var(--orange-d);color:#fff;}
.ticker-mobile-only{display:none;font-size:12px;opacity:.8;}

/* ---------- Dock 导航 ---------- */
.dock-wrap{
  position:sticky;top:48px;z-index:1030;
  padding:12px 20px 0;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  max-width:1080px;margin:0 auto;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-3);
  display:flex;align-items:center;gap:24px;
  padding:10px 12px 10px 22px;
  transition:padding .24s var(--ease),box-shadow .24s var(--ease);
}
.dock.is-scrolled{padding-top:6px;padding-bottom:6px;box-shadow:0 14px 36px rgba(20,23,26,.16);}

.logo{
  display:flex;align-items:center;gap:10px;
  height:32px;flex:none;
}
.logo-strong{
  font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1;
}
.logo-bar{width:1px;height:16px;background:var(--line);display:block;}
.logo-sub{
  font-size:11px;color:var(--ink-3);letter-spacing:.06em;line-height:1;white-space:nowrap;
}

.dock-nav{
  display:flex;align-items:center;gap:26px;
  margin-left:auto;
}
.dock-nav a{
  position:relative;
  font-size:13.5px;font-weight:500;color:var(--ink-2);
  padding:6px 0;
  white-space:nowrap;
  transition:color .24s var(--ease);
}
.dock-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--orange);
  transition:width .24s var(--ease);
}
.dock-nav a:hover{color:var(--ink);}
.dock-nav a:hover::after{width:100%;}
.dock-nav a.active{color:var(--ink);font-weight:600;}
.dock-nav a.active::after{width:100%;}

.dock-tools{display:flex;align-items:center;gap:8px;flex:none;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);
  transition:background .24s var(--ease),color .24s var(--ease);
}
.icon-btn:hover{background:var(--sand-2);color:var(--ink);}
.icon-btn svg{width:17px;height:17px;}
.dock-cta{
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--orange);color:#fff;font-size:13.5px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;line-height:1;
  transition:background .24s var(--ease),transform .24s var(--ease);
  white-space:nowrap;
}
.dock-cta:hover{background:var(--orange-d);color:#fff;transform:translateY(-1px);}

.burger{
  display:none;
  width:44px;height:44px;border-radius:50%;
  align-items:center;justify-content:center;
  color:var(--ink);
  margin-left:auto;
}
.burger span{display:block;width:18px;height:1.8px;background:currentColor;position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:1.8px;background:currentColor;
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:1060;
  background:var(--sand);
  padding:24px 20px 28px;
  display:flex;flex-direction:column;
  transform:translateY(12px);opacity:0;visibility:hidden;
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
.drawer.open{opacity:1;transform:translateY(0);visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-close{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:20px;line-height:1;color:var(--ink);
  background:#fff;
}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:20px;font-weight:600;color:var(--ink);
  height:56px;border-bottom:1px solid var(--line);
}
.drawer-nav a i{font-style:normal;color:var(--ink-3);font-size:16px;}
.drawer-foot{margin-top:auto;padding-top:24px;}
.drawer-foot .btn-ht{width:100%;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:64px 0 72px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(20,23,26,.045) 0 1px,transparent 1px 9px);
  opacity:.5;
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  right:-140px;top:60px;
  width:520px;height:520px;
  border:1px solid var(--line);
  border-radius:50%;
  pointer-events:none;
}
.hero .container{position:relative;z-index:1;}
.hero-grid{
  display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;
}
.hero-copy{grid-column:span 7;}
.hero-media{grid-column:span 5;}

.hero h1{
  font-size:clamp(34px,5vw,62px);
  line-height:1.08;
  font-weight:800;
  letter-spacing:-.02em;
  margin:20px 0 22px;
  max-width:14em;
}
.hero h1 em{
  font-style:normal;
  position:relative;
  display:inline-block;
  color:var(--orange);
}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;height:.09em;
  background:var(--orange-12);border-radius:2px;z-index:-1;
}
.hero-lead{
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:34em;
}
.hero-actions{
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  margin-top:30px;
}
.hero-trust{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:22px;
  font-size:13px;color:var(--ink-3);
}
.hero-trust span{display:inline-flex;align-items:center;}
.hero-trust span+span::before{
  content:"·";margin:0 10px;color:var(--line);font-weight:700;
}

.hero-figure{
  position:relative;
  border-radius:var(--r-hero);
  overflow:hidden;
  background:var(--sand-2);
  box-shadow:var(--sh-2);
  aspect-ratio:4/5;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure figcaption{
  position:absolute;left:14px;top:14px;
  background:var(--ink);color:#fff;
  font-family:var(--num);font-size:12px;letter-spacing:.1em;
  padding:6px 12px;border-radius:var(--r-pill);
  line-height:1;
}

/* ---------- 数据条 ---------- */
.stats{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:36px 0;
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
}
.stat{
  padding:0 28px;
  border-left:1px solid var(--line);
}
.stat:first-child{border-left:0;padding-left:0;}
.stat b{
  display:block;
  font-family:var(--num);
  font-variant-numeric:tabular-nums;
  font-size:38px;font-weight:600;line-height:1;color:var(--ink);
  letter-spacing:-.01em;
}
.stat b i{font-style:normal;font-size:17px;color:var(--ink-3);margin-left:4px;font-family:var(--cn);font-weight:500;}
.stat span{display:block;margin-top:10px;font-size:12.5px;color:var(--ink-3);letter-spacing:.02em;}

/* ---------- 卖点 ---------- */
.sell-grid{
  display:grid;grid-template-columns:1.12fr .88fr;
  border-top:1px solid var(--line);
  border-left:1px solid var(--line);
}
.sell-item{
  padding:44px 40px;
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease),transform .24s var(--ease);
  background:transparent;
}
.sell-item:nth-child(even){padding:32px 32px;}
.sell-item:nth-child(3){padding:32px 32px;}
.sell-item:hover{background:#FFFDFA;transform:translateX(2px);}
.sell-num{
  font-family:var(--num);font-size:14px;font-weight:600;letter-spacing:.12em;
  color:var(--orange);display:block;margin-bottom:14px;
}
.sell-item h3{
  font-size:21px;font-weight:700;letter-spacing:-.01em;line-height:1.35;
  margin-bottom:10px;
}
.sell-item p{font-size:15px;color:var(--ink-3);line-height:1.8;max-width:32em;}

/* ---------- 图墙 ---------- */
.mosaic{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  grid-template-rows:repeat(2,190px);
  gap:12px;
  grid-template-areas:
    "a a b c"
    "a a d e";
}
.mosaic figure{
  position:relative;border-radius:var(--r-img);overflow:hidden;background:var(--sand-2);margin:0;
}
.mosaic figure:nth-child(1){grid-area:a;}
.mosaic figure:nth-child(2){grid-area:b;}
.mosaic figure:nth-child(3){grid-area:c;}
.mosaic figure:nth-child(4){grid-area:d;}
.mosaic figure:nth-child(5){grid-area:e;}
.mosaic img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .32s var(--ease);
}
.mosaic figure:hover img{transform:scale(1.03);}
.mosaic figcaption{
  position:absolute;right:12px;bottom:12px;
  font-size:12px;line-height:1;color:#fff;
  background:rgba(20,23,26,.55);
  padding:7px 12px;border-radius:var(--r-pill);
  backdrop-filter:blur(4px);
  transition:transform .32s var(--ease);
}
.mosaic figure:hover figcaption{transform:translateY(-2px);}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px;}
.flow-step{
  position:relative;
  padding:0 24px 0 0;
}
.flow-step::after{
  content:"";position:absolute;top:17px;left:44px;right:12px;
  border-top:1px dashed var(--line);
}
.flow-step:last-child::after{display:none;}
.flow-idx{
  width:34px;height:34px;border-radius:50%;
  border:1.5px solid var(--orange);color:var(--orange);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--num);font-size:15px;font-weight:600;
  background:var(--sand);
  position:relative;z-index:1;
  margin-bottom:18px;
  transition:background .24s var(--ease),color .24s var(--ease);
}
.flow-step:hover .flow-idx{background:var(--orange);color:#fff;}
.flow-step h3{font-size:16px;font-weight:700;margin-bottom:8px;line-height:1.4;}
.flow-step p{font-size:14px;color:var(--ink-3);line-height:1.75;max-width:20em;}

/* ---------- 资讯列表 ---------- */
.news-list{border-top:1px solid var(--line);}
.news-row{
  display:grid;
  grid-template-columns:88px 1fr 120px;
  gap:24px;
  align-items:center;
  padding:20px 8px;
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease);
  color:inherit;
}
.news-row:hover{background:#FFFDFA;color:inherit;}
.news-row:nth-child(n+7){display:none;}
.news-date{text-align:left;}
.news-date b{
  display:block;
  font-family:var(--num);font-size:26px;font-weight:600;line-height:1;color:var(--ink);
}
.news-date span{display:block;margin-top:6px;font-size:12px;color:var(--ink-3);font-family:var(--num);letter-spacing:.04em;}
.news-body h3{
  font-size:17.5px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .24s var(--ease);
}
.news-row:hover .news-body h3{color:var(--orange);}
.news-body p{
  margin-top:6px;font-size:14px;line-height:1.7;color:var(--ink-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-side{display:flex;align-items:center;justify-content:flex-end;gap:12px;}
.news-tag{
  font-size:12px;color:var(--orange);background:var(--orange-12);
  border-radius:var(--r-pill);padding:4px 12px;line-height:1.5;white-space:nowrap;
}
.news-go{
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink-2);font-size:14px;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
  flex:none;
}
.news-row:hover .news-go{background:var(--orange);border-color:var(--orange);color:#fff;}

.empty-state{
  background:var(--sand-2);
  border-radius:var(--r-card);
  padding:48px 24px;
  min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;text-align:center;
}
.empty-state svg{width:40px;height:40px;color:var(--ink-3);}
.empty-state p{font-size:14.5px;color:var(--ink-3);}

/* ---------- CTA 区块 ---------- */
.cta-block{
  background:var(--ink);
  color:#F5F2EC;
  border-radius:var(--r-card);
  padding:52px 56px;
  display:grid;grid-template-columns:1.4fr 1fr;
  gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-block::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--orange);
}
.cta-block h2{
  font-size:clamp(24px,3.4vw,38px);
  line-height:1.2;font-weight:800;letter-spacing:-.02em;color:#fff;
}
.cta-block p{margin-top:14px;font-size:14px;color:rgba(255,255,255,.62);line-height:1.8;}
.cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:14px;}
.cta-actions .btn-ht{width:100%;}
.cta-actions .cta-link{
  font-size:14px;color:rgba(255,255,255,.86);display:inline-flex;align-items:center;gap:6px;
  border-bottom:1px solid rgba(255,255,255,.28);padding-bottom:2px;min-height:44px;
  transition:color .24s var(--ease),border-color .24s var(--ease);
}
.cta-actions .cta-link:hover{color:var(--orange);border-color:var(--orange);}
.cta-actions .cta-link i{font-style:normal;}

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;grid-template-columns:3fr 9fr;gap:48px;align-items:start;
}
.faq-left h2{
  font-size:clamp(24px,3vw,32px);font-weight:700;letter-spacing:-.02em;line-height:1.25;
}
.faq-left p{margin-top:12px;font-size:14.5px;color:var(--ink-3);line-height:1.8;}
.faq-left .faq-contact{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  font-size:13.5px;color:var(--orange);font-weight:600;
  border-bottom:1px solid var(--orange-40);padding-bottom:2px;min-height:44px;
}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.55;
  transition:color .24s var(--ease),padding-left .24s var(--ease);
  border-left:2px solid transparent;
}
.faq-q:hover{color:var(--orange);}
.faq-item.open .faq-q{
  border-left:2px solid var(--orange);
  padding-left:14px;
  color:var(--ink);
}
.faq-icon{
  flex:none;width:22px;height:22px;position:relative;
  transition:transform .26s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink-3);border-radius:2px;
  transition:background .24s var(--ease),transform .26s var(--ease);
}
.faq-icon::before{left:50%;top:4px;width:1.8px;height:14px;transform:translateX(-50%);}
.faq-icon::after{top:50%;left:4px;height:1.8px;width:14px;transform:translateY(-50%);}
.faq-item.open .faq-icon{transform:rotate(180deg);}
.faq-item.open .faq-icon::before{transform:translateX(-50%) scaleY(0);}
.faq-item.open .faq-icon::after{background:var(--orange);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .26s var(--ease);
}
.faq-a-inner{
  padding:0 0 22px 16px;
  font-size:15px;line-height:1.85;color:var(--ink-2);
  max-width:52em;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:#F5F2EC;
  margin-top:88px;
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo-strong{color:#fff;}
.footer-brand .logo-sub{color:rgba(255,255,255,.5);}
.footer-brand .logo-bar{background:rgba(255,255,255,.2);}
.footer-brand p{
  margin-top:16px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.55);max-width:22em;
}
.footer-col h4{
  font-size:13px;font-weight:600;letter-spacing:.06em;color:rgba(255,255,255,.9);
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:13.5px;color:rgba(255,255,255,.6);
  transition:color .24s var(--ease);
  display:inline-block;min-height:22px;
}
.footer-col a:hover{color:var(--orange);}
.footer-col li span{font-size:13.5px;color:rgba(255,255,255,.6);line-height:1.7;display:block;}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:12px;color:rgba(255,255,255,.6);
  flex-wrap:wrap;
}
.to-top{
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.24);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;
  transition:transform .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease);
  position:absolute;right:32px;bottom:26px;
}
.site-footer{position:relative;}
.to-top:hover{transform:translateY(-2px);background:var(--orange);border-color:var(--orange);color:#fff;}

/* ---------- 进场动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .container{max-width:100%!important;padding-left:32px!important;padding-right:32px!important;}
  .dock{max-width:960px;}
}

@media (max-width:991.98px){
  .section{padding:64px 0;}
  .hero{padding:48px 0 56px;}
  .hero-copy{grid-column:span 6;}
  .hero-media{grid-column:span 6;}
  .hero h1{max-width:100%;}
  .mosaic{grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(2,170px);
    grid-template-areas:"a a b" "a a c";}
  .mosaic figure:nth-child(4),.mosaic figure:nth-child(5){display:none;}
  .sell-grid{grid-template-columns:1fr;}
  .sell-item,.sell-item:nth-child(even),.sell-item:nth-child(3){padding:32px 28px;}
  .flow{grid-template-columns:1fr 1fr;gap:32px 0;}
  .flow-step:nth-child(2)::after{display:none;}
  .flow-step{padding-right:20px;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .cta-block{grid-template-columns:1fr;padding:40px 36px;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .stat:nth-child(3){border-left:0;padding-left:0;}
  .stat{padding:0 20px;}
  .news-row{grid-template-columns:72px 1fr auto;gap:18px;}
}

@media (max-width:767.98px){
  .container{padding-left:20px!important;padding-right:20px!important;}
  .section{padding:48px 0;}
  .ticker-inner{padding:0 20px;gap:12px;}
  .ticker-left{font-size:12px;}
  .count-cell span{font-size:10px;}
  .ticker-desktop-only{display:none;}
  .ticker-mobile-only{display:inline-flex;font-family:var(--num);font-variant-numeric:tabular-nums;font-size:13px;color:#fff;gap:4px;align-items:baseline;}
  .dock-wrap{top:44px;padding:8px 14px 0;}
  .dock{padding:8px 10px 8px 16px;gap:12px;}
  .dock-nav{display:none;}
  .dock-tools{display:none;}
  .burger{display:flex;}
  .hero{padding:40px 0 48px;}
  .hero-copy,.hero-media{grid-column:span 12;}
  .hero h1{margin:16px 0 18px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions{gap:12px;margin-top:24px;}
  .hero-actions .btn-ht{width:100%;}
  .hero-actions .link-arrow{width:100%;justify-content:center;}
  .hero-figure{aspect-ratio:auto;height:260px;margin-top:8px;border-radius:16px;}
  .hero::after{display:none;}
  .hero-trust{font-size:12px;gap:6px;line-height:1.9;}
  .hero-trust span+span::before{margin:0 7px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:24px;}
  .stats{padding:26px 0;}
  .stat b{font-size:32px;}
  .stat{padding:0 16px;}
  .mosaic{grid-template-columns:1fr 1fr;grid-template-rows:140px 140px;grid-template-areas:none;}
  .mosaic figure:nth-child(1){grid-area:auto;grid-column:span 2;}
  .mosaic figure:nth-child(2),.mosaic figure:nth-child(3),
  .mosaic figure:nth-child(4){grid-area:auto;display:block;}
  .mosaic figure:nth-child(5){display:none;}
  .flow{grid-template-columns:1fr;gap:0;}
  .flow-step{padding:0 0 26px 26px;position:relative;}
  .flow-step::before{
    content:"";position:absolute;left:8px;top:38px;bottom:0;width:1px;background:var(--line);
  }
  .flow-step:last-child::before{display:none;}
  .flow-step::after{display:none;}
  .flow-idx{position:absolute;left:-9px;top:0;width:34px;height:34px;margin-bottom:0;}
  .flow-step h3{padding-top:0;}
  .flow-step{padding-left:44px;}
  .flow-step p{max-width:100%;}
  .news-row{
    grid-template-columns:1fr;
    gap:8px;
    padding:18px 4px;
    position:relative;
  }
  .news-row:nth-child(n+5){display:none;}
  .news-date{display:flex;align-items:center;gap:8px;}
  .news-date b{font-size:13px;font-family:var(--num);color:var(--ink-3);font-weight:600;}
  .news-date span{margin-top:0;font-size:12px;}
  .news-date span::before{content:"·";margin-right:8px;color:var(--line);}
  .news-body h3{font-size:16px;}
  .news-side{position:absolute;right:0;bottom:18px;gap:8px;}
  .news-tag{display:none;}
  .news-go{width:32px;height:32px;font-size:12px;}
  .cta-block{padding:32px 24px;border-radius:14px;}
  .cta-actions{align-items:stretch;width:100%;}
  .cta-actions .cta-link{justify-content:center;}
  .faq-q{font-size:15px;padding:18px 0;}
  .faq-a-inner{padding-left:16px;font-size:14.5px;}
  .site-footer{margin-top:56px;padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;padding-bottom:88px;}
  .to-top{right:20px;bottom:22px;}
  .drawer-nav a{font-size:19px;}
}

@media (max-width:399.98px){
  .hero h1{font-size:30px;}
  .stat b{font-size:28px;}
  .sell-num{margin-bottom:10px;}
  .ticker-left{max-width:52%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
}

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

/* roulang page: article */
:root{
  --ink:#14171A;
  --ink-2:#4A5157;
  --ink-3:#6E767C;
  --sand:#F5F2EC;
  --sand-2:#EDE8DF;
  --card:#FFFFFF;
  --line:#E2DED6;
  --line-dark:rgba(255,255,255,.14);
  --orange:#E4552B;
  --orange-dark:#C2431F;
  --orange-soft:rgba(228,85,43,.12);
  --green:#1F6F5C;
  --r-pill:999px;
  --r-card:16px;
  --r-img:12px;
  --r-hero:20px;
  --sh-1:0 2px 8px rgba(20,23,26,.06);
  --sh-2:0 8px 24px rgba(20,23,26,.10);
  --sh-3:0 12px 32px rgba(20,23,26,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --num:"Barlow Condensed","Oswald","Impact","Arial Narrow",sans-serif;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-body-color:#14171A;
  --bs-body-bg:#F5F2EC;
  --bs-border-radius:16px;
  --bs-primary:#E4552B;
  --bs-link-color:#E4552B;
  --bs-link-hover-color:#C2431F;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  background:var(--sand);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:var(--orange);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--orange-dark)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:0;list-style:none}
:focus-visible{outline:2px solid rgba(228,85,43,.55);outline-offset:3px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.num{font-family:var(--num);font-variant-numeric:tabular-nums;letter-spacing:.01em}

/* ============ 顶部倒计时条 ============ */
.ticker{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  color:#F7F4EE;
  min-height:40px;
}
.ticker-inner{
  max-width:1200px;margin:0 auto;padding:0 32px;
  min-height:40px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.ticker-left{display:flex;align-items:center;gap:10px;min-width:0}
.ticker-dot{width:7px;height:7px;border-radius:50%;background:var(--orange);flex:none;box-shadow:0 0 0 4px rgba(228,85,43,.18)}
.ticker-name{font-size:13px;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ticker-right{display:flex;align-items:center;gap:16px;flex:none}
.cd{display:flex;align-items:center;gap:10px}
.cd-item{display:flex;align-items:baseline;gap:3px}
.cd-num{font-family:var(--num);font-variant-numeric:tabular-nums;font-size:17px;font-weight:600;line-height:1}
.cd-unit{font-size:11px;opacity:.6}
.ticker-cta{
  display:inline-flex;align-items:center;gap:4px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--orange);color:#fff;font-size:12px;font-weight:600;
  white-space:nowrap;transition:background .2s var(--ease),transform .2s var(--ease);
}
.ticker-cta:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px)}

/* ============ 浮动 Dock ============ */
.dock-wrap{
  position:sticky;top:52px;z-index:50;
  padding:12px 20px 0;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  max-width:1080px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:10px 12px 10px 18px;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-3);
  transition:padding .24s var(--ease),box-shadow .24s var(--ease);
}
.dock.is-compact{padding-top:6px;padding-bottom:6px;box-shadow:0 14px 36px rgba(20,23,26,.16)}
.dock-logo{display:flex;align-items:center;gap:9px;height:32px;color:var(--ink);flex:none}
.dock-logo:hover{color:var(--ink)}
.logo-strong{font-size:18px;font-weight:800;letter-spacing:-.02em}
.logo-bar{width:1px;height:16px;background:var(--line);display:block}
.logo-sub{font-size:11px;color:var(--ink-3);letter-spacing:.04em;white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:26px}
.dock-nav a{
  position:relative;
  font-size:13.5px;font-weight:500;color:var(--ink-2);
  padding:8px 0;line-height:1.2;white-space:nowrap;
  transition:color .2s var(--ease);
}
.dock-nav a::after{
  content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;
  background:var(--orange);border-radius:2px;
  transition:width .24s var(--ease);
}
.dock-nav a:hover{color:var(--ink)}
.dock-nav a:hover::after{width:100%}
.dock-nav a.active{color:var(--ink);font-weight:600}
.dock-nav a.active::after{width:100%}
.dock-actions{display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:none;background:transparent;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);transition:background .2s var(--ease),color .2s var(--ease);
}
.icon-btn:hover{background:var(--sand-2);color:var(--ink)}
.icon-btn svg{width:17px;height:17px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--orange);color:#fff;border-color:var(--orange)}
.btn-primary:hover{background:var(--orange-dark);border-color:var(--orange-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:rgba(20,23,26,.06);color:var(--ink)}
.btn-outline-orange{background:transparent;color:var(--orange);border-color:var(--orange)}
.btn-outline-orange:hover{background:var(--orange-soft);color:var(--orange-dark)}
.btn-sm{height:38px;padding:0 20px;font-size:13.5px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink);
  position:relative;padding-bottom:2px;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:currentColor;
  transition:width .24s var(--ease);
}
.link-arrow:hover::after{width:100%}
.link-arrow .arw{transition:transform .24s var(--ease)}
.link-arrow:hover .arw{transform:translateX(4px)}
.hamburger{
  display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.hamburger span{display:block;width:16px;height:1.6px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}

/* ============ 抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:80;
  background:var(--sand);
  padding:88px 24px 24px;
  display:flex;flex-direction:column;gap:8px;
  transform:translateY(14px);opacity:0;pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.drawer.open{opacity:1;transform:translateY(0);pointer-events:auto}
.drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  font-size:20px;font-weight:600;color:var(--ink);
  min-height:56px;border-bottom:1px solid var(--line);
}
.drawer a.drawer-link span{color:var(--ink-3);font-size:16px}
.drawer .drawer-cta{width:100%;margin-top:auto}
.drawer-close{
  position:absolute;top:22px;right:22px;
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;
  font-size:18px;color:var(--ink);line-height:1;
}

/* ============ 面包屑 ============ */
.breadcrumb-bar{padding-top:34px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);flex-wrap:nowrap;min-width:0}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--ink)}
.crumb .sep{color:var(--line);flex:none}
.crumb .current{
  color:var(--ink);font-weight:500;
  max-width:40%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ============ 文章头部 ============ */
.article-head{padding:26px 0 0;max-width:860px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.06em;font-weight:600;
  padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--orange);color:var(--orange);background:rgba(228,85,43,.05);
}
.tag.solid{background:var(--orange-soft);border-color:transparent}
.tag.green{color:var(--green);border-color:rgba(31,111,92,.35);background:rgba(31,111,92,.07)}
.article-title{
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.26;font-weight:800;letter-spacing:-.02em;
  margin-top:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  margin-top:20px;font-size:13px;color:var(--ink-3);
}
.article-meta .dot{width:1px;height:12px;background:var(--line);display:block}
.article-figure{margin-top:28px}
.article-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-card);background:var(--sand-2);
}
.article-figure figcaption{margin-top:12px;font-size:13px;color:var(--ink-3);text-align:center}

/* ============ 正文布局 ============ */
.article-main{padding:44px 0 0}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 288px;
  gap:56px;align-items:start;
}
.article-body{min-width:0;max-width:760px}
.article-content{
  font-size:17px;line-height:1.9;color:#1B1F23;
}
.article-content p{margin:0 0 20px}
.article-content h2{
  position:relative;
  font-size:26px;line-height:1.35;font-weight:700;letter-spacing:-.02em;
  margin:44px 0 16px;padding-left:16px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:6px;
  width:4px;height:18px;background:var(--orange);border-radius:2px;
}
.article-content h3{
  font-size:20px;line-height:1.45;font-weight:600;letter-spacing:-.01em;
  margin:32px 0 12px;
}
.article-content h4{font-size:17px;font-weight:600;margin:24px 0 10px}
.article-content strong{font-weight:700;color:var(--ink)}
.article-content blockquote{
  margin:24px 0;padding:20px;
  background:var(--sand-2);border-left:3px solid var(--orange);
  border-radius:0 var(--r-card) var(--r-card) 0;
  font-size:16px;line-height:1.85;color:var(--ink-2);
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content ul,.article-content ol{margin:0 0 22px}
.article-content ul li{position:relative;padding-left:20px;margin-bottom:10px;line-height:1.85}
.article-content ul li::before{
  content:"";position:absolute;left:2px;top:12px;
  width:7px;height:7px;background:var(--orange);border-radius:2px;
}
.article-content ol{list-style:decimal;padding-left:22px}
.article-content ol li{margin-bottom:10px;line-height:1.85}
.article-content img{border-radius:var(--r-img);margin:24px 0 8px;width:100%;object-fit:cover}
.article-content a{color:var(--orange);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{text-decoration-thickness:2px;color:var(--orange-dark)}
.article-content table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;
}
.article-content th{
  background:var(--sand-2);text-align:left;font-weight:600;
  padding:12px 14px;border-bottom:1px solid var(--line);
}
.article-content td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--ink-2)}
.article-content tr:last-child td{border-bottom:none}
.article-content hr{border:none;border-top:1px solid var(--line);margin:36px 0}

/* ============ 空态 ============ */
.empty-state{
  background:var(--sand-2);border-radius:var(--r-card);
  padding:48px 28px;text-align:center;min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
}
.empty-state svg{width:44px;height:44px;color:var(--ink-3);opacity:.7}
.empty-state p{font-size:15px;color:var(--ink-2)}
.empty-state .btn{margin-top:4px}

/* ============ 目录 ============ */
.toc{
  position:sticky;top:96px;
  border-left:1px solid var(--line);
  padding-left:20px;
}
.toc-title{
  font-size:12px;letter-spacing:.08em;color:var(--ink-3);
  font-weight:600;margin-bottom:14px;
}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;font-size:13px;line-height:1.6;color:var(--ink-2);
  padding:6px 0 6px 12px;border-left:2px solid transparent;margin-left:-21px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.toc-list a:hover{color:var(--ink)}
.toc-list a.active{color:var(--ink);font-weight:600;border-left-color:var(--orange)}
.toc-toggle{display:none}

/* ============ 标签行 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:44px}
.tag-row .tag{border-color:var(--line);color:var(--ink-2);background:#fff}
.tag-row .tag:hover{border-color:var(--orange);color:var(--orange)}
.rule-line{height:1px;background:var(--line);margin:32px 0}

/* ============ 相关推荐 ============ */
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.related-head h2{font-size:20px;font-weight:700;letter-spacing:-.01em}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.related-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D6D1C7}
.related-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--sand-2)}
.related-card .rc-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px}
.related-card .rc-tag{font-size:12px;color:var(--orange);letter-spacing:.06em;font-weight:600}
.related-card h3{
  font-size:16px;line-height:1.5;font-weight:600;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-card .rc-date{font-size:12px;color:var(--ink-3);font-family:var(--num)}

/* ============ 上一篇 / 下一篇 ============ */
.pager{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
  margin-top:36px;
}
.pager a{
  display:flex;flex-direction:column;gap:6px;
  padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-card);
  background:#fff;color:var(--ink);
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  min-height:78px;
}
.pager a:hover{border-color:var(--orange);transform:translateY(-2px);box-shadow:var(--sh-1);color:var(--ink)}
.pager .p-label{font-size:12px;color:var(--ink-3);letter-spacing:.06em}
.pager .p-title{font-size:15px;font-weight:600;line-height:1.5}
.pager .next{align-items:flex-end;text-align:right}

/* ============ 文末操作 ============ */
.article-actions{
  display:flex;justify-content:flex-end;gap:12px;flex-wrap:wrap;
  margin-top:32px;
}

/* ============ CTA 深色块 ============ */
.article-cta{margin-top:88px}
.article-cta .cta-inner{
  position:relative;overflow:hidden;
  background:var(--ink);color:#F7F4EE;
  border-radius:var(--r-hero);
  padding:48px 52px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.article-cta .cta-inner::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--orange);
}
.article-cta h2{
  font-size:clamp(26px,3.6vw,40px);line-height:1.2;font-weight:800;letter-spacing:-.02em;
  color:#F7F4EE;max-width:520px;
}
.article-cta p{margin-top:12px;font-size:14px;color:rgba(247,244,238,.66)}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;flex:none}
.cta-actions .link-arrow{color:#F7F4EE}
.cta-actions .link-arrow:hover{color:#fff}
.cta-actions .btn-outline{color:#F7F4EE;border-color:rgba(247,244,238,.5)}
.cta-actions .btn-outline:hover{background:rgba(247,244,238,.1);color:#fff}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:88px;
  background:var(--ink);color:#F7F4EE;
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand .logo{display:inline-flex;align-items:center;gap:9px;color:#F7F4EE}
.footer-brand .logo-strong{font-size:18px;font-weight:800}
.footer-brand .logo-bar{background:rgba(255,255,255,.24)}
.footer-brand .logo-sub{color:rgba(247,244,238,.6)}
.footer-brand p{
  margin-top:16px;font-size:14px;line-height:1.8;
  color:rgba(247,244,238,.62);max-width:300px;
}
.footer-col h4{
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:rgba(247,244,238,.5);margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(247,244,238,.82)}
.footer-col a:hover{color:var(--orange)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line-dark);padding-top:20px;
  font-size:12px;color:rgba(247,244,238,.6);
}
.to-top{
  position:absolute;right:32px;bottom:32px;
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(247,244,238,.3);
  display:flex;align-items:center;justify-content:center;
  color:#F7F4EE;font-size:16px;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.to-top:hover{transform:translateY(-2px);background:rgba(247,244,238,.1);border-color:rgba(247,244,238,.55);color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .container{padding-left:32px;padding-right:32px}
  .dock{max-width:960px}
  .dock-nav{gap:20px}
  .article-layout{grid-template-columns:minmax(0,1fr) 248px;gap:40px}
}
@media (max-width:991.98px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .article-body{max-width:none}
  .toc{
    position:static;border-left:none;padding-left:0;
    border:1px solid var(--line);border-radius:var(--r-card);
    background:#fff;padding:14px 18px;
  }
  .toc-title{display:none}
  .toc-toggle{
    display:flex;align-items:center;justify-content:space-between;width:100%;
    background:transparent;border:none;padding:0;
    font-size:14px;font-weight:600;color:var(--ink);
  }
  .toc-list{margin-top:0;max-height:0;overflow:hidden;transition:max-height .26s var(--ease),margin-top .26s var(--ease)}
  .toc.open .toc-list{margin-top:12px;max-height:420px}
  .toc-list a{margin-left:0;border-left:2px solid transparent;padding-left:10px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-cta .cta-inner{flex-direction:column;align-items:flex-start;padding:40px 36px}
}
@media (max-width:767.98px){
  .container{padding-left:20px;padding-right:20px}
  .ticker-inner{padding:0 20px;min-height:36px;gap:10px}
  .ticker-name{font-size:12px;max-width:44vw}
  .cd .cd-item:nth-child(2),.cd .cd-item:nth-child(3),.cd .cd-item:nth-child(4){display:none}
  .dock-wrap{top:46px;padding:8px 12px 0}
  .dock{padding:8px 10px 8px 14px;gap:10px}
  .dock-nav{display:none}
  .dock-actions .btn{display:none}
  .dock-actions .icon-btn{display:none}
  .hamburger{display:flex}
  .breadcrumb-bar{padding-top:24px}
  .crumb .current{max-width:52%}
  .article-head{padding-top:20px}
  .article-meta{gap:8px;font-size:12.5px}
  .article-content{font-size:16px;line-height:1.85}
  .article-content h2{font-size:22px;margin-top:36px}
  .article-content h3{font-size:18px}
  .article-content table{display:block;overflow-x:auto;white-space:nowrap}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .pager{grid-template-columns:minmax(0,1fr)}
  .pager .next{align-items:flex-start;text-align:left}
  .article-actions{justify-content:stretch}
  .article-actions .btn{width:100%}
  .article-cta{margin-top:56px}
  .article-cta .cta-inner{padding:32px 24px;border-radius:var(--r-card)}
  .cta-actions{width:100%;flex-direction:column;align-items:stretch;gap:12px}
  .cta-actions .btn{width:100%}
  .cta-actions .link-arrow{justify-content:center}
  .site-footer{margin-top:56px;padding:44px 0 24px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;padding-right:56px}
  .to-top{right:20px;bottom:24px}
}
@media (max-width:399.98px){
  .ticker-name{max-width:38vw}
  .article-meta{flex-direction:column;align-items:flex-start;gap:6px}
  .article-meta .dot{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* roulang page: category1 */
:root{
  --ink:#14171A;
  --ink-2:#4A5157;
  --ink-3:#6E767C;
  --sand:#F5F2EC;
  --white:#FFFFFF;
  --sand-fill:#EDE8DF;
  --line:#E2DED6;
  --line-dark:rgba(255,255,255,.14);
  --orange:#E4552B;
  --orange-deep:#C2431F;
  --orange-12:rgba(228,85,43,.12);
  --orange-40:rgba(228,85,43,.40);
  --green:#1F6F5C;
  --r-sm:6px;
  --r-input:10px;
  --r-img:12px;
  --r-card:16px;
  --r-hero:20px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(20,23,26,.06);
  --sh-2:0 8px 24px rgba(20,23,26,.10);
  --sh-3:0 12px 32px rgba(20,23,26,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --num:"Barlow Condensed","Oswald","Impact","Arial Narrow",sans-serif;
  --sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;

  --bs-body-font-family:var(--sans);
  --bs-body-color:var(--ink);
  --bs-body-bg:var(--sand);
  --bs-border-radius:var(--r-card);
  --bs-border-color:var(--line);
  --bs-link-color:var(--orange);
  --bs-link-hover-color:var(--orange-deep);
  --bs-primary:var(--orange);
  --bs-primary-rgb:228,85,43;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background-color:var(--sand);
  background-image:repeating-linear-gradient(135deg,rgba(20,23,26,.028) 0 1px,transparent 1px 11px);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--orange);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;font-weight:800;line-height:1.2;}
:focus-visible{outline:2px solid var(--orange-40);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;}
.num{font-family:var(--num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum";letter-spacing:.01em;}

/* ============ 顶部倒计时条 ============ */
.topbar{
  position:sticky;top:0;z-index:110;
  background:var(--ink);
  color:#F7F4EE;
}
.topbar-inner{
  max-width:1200px;margin:0 auto;padding:0 32px;
  min-height:40px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;letter-spacing:.02em;
}
.topbar-left{display:flex;align-items:center;gap:8px;min-width:0;}
.topbar-dot{width:7px;height:7px;border-radius:50%;background:var(--orange);flex:none;box-shadow:0 0 0 3px rgba(228,85,43,.18);}
.topbar-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:rgba(247,244,238,.86);}
.topbar-right{display:flex;align-items:center;gap:14px;flex:none;}
.countdown{display:flex;align-items:center;gap:12px;}
.cd-item{display:inline-flex;align-items:baseline;gap:4px;}
.cd-item b{font-family:var(--num);font-variant-numeric:tabular-nums;font-size:17px;font-weight:600;line-height:1;color:#fff;}
.cd-item i{font-style:normal;font-size:11px;opacity:.55;}
.topbar-btn{
  display:inline-flex;align-items:center;gap:4px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--orange);color:#fff;font-size:12px;font-weight:600;
  transition:background .24s var(--ease),transform .24s var(--ease);
}
.topbar-btn:hover{background:var(--orange-deep);color:#fff;transform:translateY(-1px);}

/* ============ 浮动 Dock 导航 ============ */
.dock-wrap{position:sticky;top:40px;z-index:100;padding:12px 20px 0;}
.dock{
  max-width:1080px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:8px 10px 8px 18px;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-3);
  transition:padding .24s var(--ease),box-shadow .24s var(--ease);
}
.dock.is-tight{padding-top:6px;padding-bottom:6px;box-shadow:0 14px 36px rgba(20,23,26,.15);}
.dock-logo{display:flex;align-items:center;gap:9px;height:32px;flex:none;}
.logo-strong{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--ink);}
.logo-bar{width:1px;height:16px;background:var(--line);}
.logo-sub{font-size:11px;color:var(--ink-3);letter-spacing:.04em;white-space:nowrap;}
.dock-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.dock-nav a{
  position:relative;font-size:13.5px;font-weight:500;color:var(--ink-2);padding:6px 0;
}
.dock-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--orange);
  transition:width .24s var(--ease);
}
.dock-nav a:hover{color:var(--ink);}
.dock-nav a:hover::after{width:100%;}
.dock-nav a.active{color:var(--ink);font-weight:600;}
.dock-nav a.active::after{width:100%;}
.dock-actions{display:flex;align-items:center;gap:10px;flex:none;}
.icon-btn{
  width:36px;height:36px;border-radius:50%;border:0;background:transparent;
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);
  transition:background .24s var(--ease),color .24s var(--ease);
}
.icon-btn:hover{background:var(--sand-fill);color:var(--ink);}
.icon-btn svg{width:17px;height:17px;}
.btn-dock{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:38px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--orange);color:#fff;font-size:14px;font-weight:600;
  transition:background .24s var(--ease),transform .24s var(--ease);
}
.btn-dock:hover{background:var(--orange-deep);color:#fff;transform:translateY(-1px);}
.hamburger{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:50%;
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.hamburger span{display:block;width:16px;height:1.6px;background:var(--ink);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease);}
.hamburger.is-open span:nth-child(1){transform:translateY(5.6px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg);}

/* 移动抽屉 */
.mobile-panel{
  position:fixed;inset:0;z-index:130;background:var(--sand);
  display:none;flex-direction:column;padding:28px 22px 24px;
}
.mobile-panel.open{display:flex;animation:slideUp .2s var(--ease);}
@keyframes slideUp{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:translateY(0);}}
.mobile-panel .mp-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.mp-close{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:18px;line-height:1;color:var(--ink);}
.mp-links{display:flex;flex-direction:column;}
.mp-links a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:20px;font-weight:600;line-height:56px;min-height:56px;
  border-bottom:1px solid var(--line);color:var(--ink);
}
.mp-links a .mp-ar{color:var(--ink-3);font-size:16px;}
.mp-links a.active{color:var(--orange);}
.mp-cta{margin-top:auto;padding-top:20px;}
.mp-cta .btn-main{width:100%;}

/* ============ 通用按钮 / 标签 ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 28px;border:0;border-radius:var(--r-pill);
  background:var(--orange);color:#fff;font-size:15px;font-weight:600;
  transition:background .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-main:hover{background:var(--orange-deep);color:#fff;transform:translateY(-1px);}
.btn-main:active{transform:translateY(0);}
.btn-main:focus-visible{outline:2px solid var(--orange-40);outline-offset:2px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--r-pill);
  border:1.5px solid var(--ink);background:transparent;color:var(--ink);
  font-size:15px;font-weight:600;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-ghost:hover{background:rgba(20,23,26,.06);color:var(--ink);}
.btn-ghost--orange{border-color:var(--orange);color:var(--orange);}
.btn-ghost--orange:hover{background:var(--orange-12);color:var(--orange);}
.link-arrow{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--ink);
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;background:var(--orange);
  transition:width .24s var(--ease);
}
.link-arrow:hover::after{width:100%;}
.link-arrow .ar{transition:transform .24s var(--ease);}
.link-arrow:hover .ar{transform:translateX(4px);}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  border:1px solid var(--orange);background:var(--orange-12);
  color:var(--orange-deep);font-size:12px;font-weight:600;letter-spacing:.06em;
}
.tag--soft{border-color:var(--line);background:var(--sand-fill);color:var(--ink-2);letter-spacing:.04em;font-weight:500;}
.tag--green{border-color:rgba(31,111,92,.35);background:rgba(31,111,92,.10);color:var(--green);}

/* ============ 分类 Hero ============ */
.hero-cat{padding:48px 0 56px;}
.hero-cat-inner{
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
}
.breadcrumb-line{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);margin-bottom:20px;
}
.breadcrumb-line a{color:var(--ink-3);}
.breadcrumb-line a:hover{color:var(--orange);}
.breadcrumb-line .sep{opacity:.6;}
.breadcrumb-line .cur{color:var(--ink);font-weight:500;}
.hero-cat h1{
  font-size:clamp(28px,3.4vw,44px);line-height:1.18;margin:14px 0 18px;max-width:16em;
}
.hero-cat h1 .hl{
  display:block;font-weight:800;position:relative;
  text-decoration:underline;text-decoration-color:var(--orange);text-decoration-thickness:5px;text-underline-offset:10px;
}
.hero-lead{font-size:16.5px;line-height:1.85;color:var(--ink-2);max-width:34em;}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:24px;font-size:13px;color:var(--ink-3);}
.hero-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.hero-cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:28px;}
.hero-visual{position:relative;}
.hero-num{
  font-family:var(--num);font-size:96px;font-weight:700;line-height:.8;
  color:transparent;-webkit-text-stroke:1px rgba(20,23,26,.22);
  user-select:none;
}
.hero-visual-card{
  position:relative;margin-top:-14px;border-radius:var(--r-hero);overflow:hidden;
  background:var(--sand-fill);box-shadow:var(--sh-2);
  border:1px solid var(--line);
}
.hero-visual-card img{width:100%;height:250px;object-fit:cover;}
.hero-visual-badge{
  position:absolute;left:14px;top:14px;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(20,23,26,.88);color:#fff;font-size:12px;letter-spacing:.06em;
}
.hero-visual-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 16px;background:#fff;font-size:13px;color:var(--ink-3);
}
.hero-visual-foot b{font-family:var(--num);font-size:16px;color:var(--ink);letter-spacing:.02em;}

/* ============ 板块通用 ============ */
.section{padding:0 0 88px;}
.section--tight{padding-bottom:64px;}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.2;margin-bottom:12px;}
.section-head p{font-size:15.5px;color:var(--ink-2);line-height:1.85;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--orange-deep);
  text-transform:uppercase;margin-bottom:10px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--orange);}

/* 参数表 */
.spec-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.spec-table{width:100%;border-collapse:collapse;}
.spec-table thead th{
  background:var(--sand-fill);
  font-size:13px;font-weight:600;color:var(--ink-2);letter-spacing:.04em;
  text-align:left;padding:13px 20px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.spec-table tbody td{
  padding:16px 20px;font-size:15px;color:var(--ink-2);line-height:1.75;
  border-bottom:1px solid var(--line);vertical-align:top;
}
.spec-table tbody tr:last-child td{border-bottom:0;}
.spec-table tbody td:first-child{color:var(--ink);font-weight:600;white-space:nowrap;}
.spec-table tbody tr:hover{background:rgba(245,242,236,.55);}
.spec-note{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px 20px;background:rgba(31,111,92,.07);
  border-top:1px solid var(--line);font-size:13.5px;color:var(--ink-2);line-height:1.8;
}
.spec-note .mark{color:var(--green);font-weight:700;flex:none;}

/* 路径大卡（图文交错） */
.path-list{display:flex;flex-direction:column;gap:64px;}
.path-item{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.path-item.rev .path-text{order:2;}
.path-item.rev .path-media{order:1;}
.path-index{
  font-family:var(--num);font-size:14px;font-weight:600;letter-spacing:.14em;
  color:var(--orange-deep);margin-bottom:12px;display:block;
}
.path-text h3{font-size:clamp(21px,2.4vw,26px);line-height:1.3;margin-bottom:12px;}
.path-text > p{font-size:15.5px;color:var(--ink-2);line-height:1.85;margin-bottom:18px;}
.path-points{display:flex;flex-direction:column;gap:10px;margin-bottom:20px;}
.path-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-2);line-height:1.75;}
.path-points li::before{
  content:"";flex:none;width:7px;height:7px;margin-top:11px;background:var(--orange);
  border-radius:1px;
}
.path-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  background:var(--sand-fill);border:1px solid var(--line);box-shadow:var(--sh-1);
}
.path-media img{width:100%;height:320px;object-fit:cover;transition:transform .32s var(--ease);}
.path-media:hover img{transform:scale(1.03);}
.path-media .path-chip{
  position:absolute;right:12px;bottom:12px;
  padding:5px 12px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.9);color:var(--ink);font-size:12px;
  transition:transform .32s var(--ease);
}
.path-media:hover .path-chip{transform:translateY(-2px);}

/* 卡点速查行式列表 */
.check-rows{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.check-row{
  display:grid;grid-template-columns:220px 1fr 168px;gap:24px;align-items:center;
  padding:22px 24px;border-bottom:1px solid var(--line);
  transition:background .24s var(--ease);
}
.check-row:last-child{border-bottom:0;}
.check-row:hover{background:rgba(245,242,236,.6);}
.check-row .cr-title{font-size:15.5px;font-weight:600;line-height:1.6;color:var(--ink);}
.check-row .cr-desc{font-size:14.5px;color:var(--ink-3);line-height:1.8;}
.check-row .cr-act{text-align:right;}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:3fr 9fr;gap:48px;align-items:start;}
.faq-aside h2{font-size:clamp(24px,3vw,34px);line-height:1.22;margin-bottom:12px;}
.faq-aside p{font-size:14.5px;color:var(--ink-3);line-height:1.85;margin-bottom:18px;}
.faq-aside .contact-line{font-size:13.5px;color:var(--ink-2);line-height:1.9;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 8px 20px 0;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .24s var(--ease),padding-left .24s var(--ease);
}
.faq-q:hover{color:var(--orange-deep);}
.faq-icon{
  position:relative;flex:none;width:16px;height:16px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink-2);border-radius:2px;
  transition:transform .26s var(--ease),background .24s var(--ease);
}
.faq-icon::before{left:0;top:7px;width:16px;height:1.6px;}
.faq-icon::after{left:7px;top:0;width:1.6px;height:16px;}
.faq-item.open .faq-icon::after{transform:scaleY(0);}
.faq-item.open .faq-q{color:var(--ink);padding-left:14px;box-shadow:inset 2px 0 0 var(--orange);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
.faq-item.open .faq-a{max-height:420px;}
.faq-a-inner{padding:0 8px 22px 14px;font-size:15px;line-height:1.85;color:var(--ink-2);}

/* CTA 深色带 */
.cta-band{
  background:var(--ink);color:#F7F4EE;border-radius:var(--r-hero);
  padding:48px 48px;display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--orange);
}
.cta-band h2{font-size:clamp(24px,3.4vw,38px);line-height:1.24;color:#fff;margin-bottom:12px;}
.cta-band p{font-size:14.5px;line-height:1.85;color:rgba(247,244,238,.72);max-width:38em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:flex-end;}
.cta-actions .link-arrow{color:#fff;}
.cta-actions .link-arrow:hover{color:var(--orange);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;background:var(--ink);color:rgba(247,244,238,.86);
  padding:64px 0 24px;position:relative;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:40px;
}
.footer-brand .logo{display:inline-flex;align-items:center;gap:9px;height:32px;}
.footer-brand .logo-strong{color:#fff;font-size:18px;font-weight:800;}
.footer-brand .logo-bar{background:rgba(255,255,255,.24);}
.footer-brand .logo-sub{color:rgba(247,244,238,.62);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(247,244,238,.62);max-width:26em;}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.06em;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;color:rgba(247,244,238,.66);line-height:1.7;}
.footer-col a{color:rgba(247,244,238,.72);font-size:14px;}
.footer-col a:hover{color:var(--orange);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding-top:20px;border-top:1px solid var(--line-dark);
  font-size:12px;color:rgba(247,244,238,.6);
}
.to-top{
  position:absolute;right:32px;bottom:26px;
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.24);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;background:transparent;
  transition:transform .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease);
}
.to-top:hover{transform:translateY(-2px);background:rgba(255,255,255,.08);border-color:var(--orange);color:#fff;}

/* 滚动进入动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .container{padding-left:32px;padding-right:32px;}
  .dock{max-width:960px;}
  .hero-cat-inner{gap:36px;}
  .path-list{gap:56px;}
  .check-row{grid-template-columns:190px 1fr 150px;}
}
@media (max-width:991.98px){
  .dock-nav{gap:18px;}
  .dock-nav a{font-size:13px;}
  .hero-cat-inner{grid-template-columns:6fr 6fr;gap:28px;}
  .hero-visual-card img{height:210px;}
  .hero-num{font-size:76px;}
  .path-item{gap:32px;}
  .path-media img{height:270px;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:40px 36px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .check-row{grid-template-columns:1fr;gap:8px;padding:20px;}
  .check-row .cr-act{text-align:left;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container{padding-left:20px;padding-right:20px;}
  .topbar-inner{padding:0 20px;min-height:38px;font-size:12px;}
  .cd-item:not(.cd-day){display:none;}
  .topbar-right{gap:10px;}
  .dock-wrap{top:38px;padding:8px 12px 0;}
  .dock{padding:7px 8px 7px 14px;gap:10px;}
  .logo-strong{font-size:16px;}
  .logo-sub{font-size:10px;}
  .dock-nav,.btn-dock{display:none;}
  .dock-actions{margin-left:auto;gap:6px;}
  .hamburger{display:flex;}
  .icon-btn{width:34px;height:34px;}
  .hero-cat{padding:28px 0 40px;}
  .hero-cat-inner{grid-template-columns:1fr;gap:26px;}
  .hero-cat h1{font-size:clamp(26px,7vw,34px);max-width:none;}
  .hero-lead{font-size:15.5px;}
  .hero-cta-row{gap:14px;}
  .hero-cta-row .btn-main{width:100%;}
  .hero-visual{order:2;}
  .hero-num{font-size:64px;}
  .hero-visual-card img{height:230px;}
  .section{padding-bottom:48px;}
  .section--tight{padding-bottom:44px;}
  .path-list{gap:40px;}
  .path-item{grid-template-columns:1fr;gap:20px;}
  .path-item.rev .path-text{order:1;}
  .path-item.rev .path-media{order:2;}
  .path-media img{height:210px;}
  .spec-table{display:block;overflow-x:auto;white-space:nowrap;}
  .spec-table thead th,.spec-table tbody td{padding:13px 16px;font-size:14px;}
  .faq-q{font-size:15px;padding:18px 4px 18px 0;}
  .faq-a-inner{padding:0 4px 20px 12px;font-size:14.5px;}
  .cta-band{padding:32px 24px;border-radius:var(--r-card);}
  .cta-actions .btn-main{width:100%;}
  .site-footer{margin-top:56px;padding:48px 0 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .to-top{right:20px;bottom:20px;}
}
@media (max-width:399.98px){
  .hero-cat h1{font-size:26px;}
  .hero-meta{flex-direction:column;align-items:flex-start;gap:6px;}
  .hero-meta .dot{display:none;}
  .hero-num{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --ink:#14171A;
  --ink-2:#4A5157;
  --ink-3:#6E767C;
  --sand:#F5F2EC;
  --sand-2:#EDE8DF;
  --white:#FFFFFF;
  --line:#E2DED6;
  --line-dark:rgba(255,255,255,.14);
  --orange:#E4552B;
  --orange-dark:#C2431F;
  --orange-soft:rgba(228,85,43,.12);
  --green:#1F6F5C;
  --r-card:16px;
  --r-img:12px;
  --r-hero:20px;
  --r-pill:999px;
  --r-tag:6px;
  --sh-1:0 2px 8px rgba(20,23,26,.06);
  --sh-2:0 8px 24px rgba(20,23,26,.10);
  --sh-3:0 12px 32px rgba(20,23,26,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Barlow Condensed","Oswald","Impact","Arial Narrow",sans-serif;
  --bs-body-font-family:var(--font-cn);
  --bs-body-color:var(--ink);
  --bs-body-bg:var(--sand);
  --bs-border-radius:var(--r-card);
  --bs-link-color:var(--orange);
  --bs-link-hover-color:var(--orange-dark);
  --bs-primary:#E4552B;
  --bs-primary-rgb:228,85,43;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background-color:var(--sand);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(20,23,26,.05) 0 1px,transparent 1px 9px);
  opacity:.5;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--orange);text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--orange-dark)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
:focus-visible{outline:2px solid rgba(228,85,43,.75);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:1}

/* ---------- 倒计时条 ---------- */
.countdown-bar{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  color:#F7F5F1;
  min-height:40px;
  display:flex;align-items:center;
}
.cd-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding-top:4px;padding-bottom:4px}
.cd-left{display:flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.02em;white-space:nowrap}
.cd-dot{width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 3px rgba(228,85,43,.2);flex:none}
.cd-right{display:flex;align-items:center;gap:18px}
.cd-timer{display:flex;align-items:center;gap:14px;font-variant-numeric:tabular-nums}
.cd-unit{display:flex;align-items:baseline;gap:4px}
.cd-unit b{
  font-family:var(--font-num);font-weight:600;font-size:18px;line-height:1;
  letter-spacing:.02em;font-variant-numeric:tabular-nums;
}
.cd-unit i{font-style:normal;font-size:11px;opacity:.6}
.cd-btn{
  display:inline-flex;align-items:center;gap:4px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--orange);color:#fff;font-size:12px;font-weight:600;
  transition:background .24s var(--ease),transform .24s var(--ease);
}
.cd-btn:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px)}

/* ---------- Dock 导航 ---------- */
.dock-wrap{
  position:sticky;top:52px;z-index:50;
  display:flex;justify-content:center;
  padding:0 20px;margin-top:12px;
}
.dock{
  width:100%;max-width:1080px;
  display:flex;align-items:center;gap:20px;
  background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:8px 12px 8px 20px;
  box-shadow:var(--sh-3);
  transition:padding .24s var(--ease),box-shadow .24s var(--ease);
}
.dock.is-compact{padding-top:6px;padding-bottom:6px;box-shadow:0 14px 34px rgba(20,23,26,.16)}
.logo{display:inline-flex;align-items:center;gap:8px;height:32px;flex:none;color:var(--ink)}
.logo:hover{color:var(--ink)}
.logo-strong{font-size:18px;font-weight:800;letter-spacing:-.02em;line-height:1}
.logo-bar{width:1px;height:18px;background:var(--line);display:inline-block}
.logo-sub{font-size:11px;color:var(--ink-3);letter-spacing:.04em;line-height:1;white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.dock-nav a{
  position:relative;font-size:13.5px;font-weight:500;color:var(--ink-2);
  padding:6px 0;line-height:1.4;white-space:nowrap;
}
.dock-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--orange);border-radius:2px;transition:width .24s var(--ease);
}
.dock-nav a:hover{color:var(--ink)}
.dock-nav a:hover::after{width:100%}
.dock-nav a.active{color:var(--ink);font-weight:600}
.dock-nav a.active::after{width:22px}
.dock-actions{display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{
  width:38px;height:38px;border-radius:50%;border:none;background:transparent;
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);
  transition:background .24s var(--ease),color .24s var(--ease);
}
.icon-btn:hover{background:var(--sand-2);color:var(--ink)}

/* 按钮体系 */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .2s var(--ease),box-shadow .24s var(--ease);
}
.btn-x:active{transform:translateY(0)}
.btn-primary-x{background:var(--orange);color:#fff}
.btn-primary-x:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(228,85,43,.28)}
.btn-ghost-x{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost-x:hover{background:rgba(20,23,26,.06);color:var(--ink);transform:translateY(-1px)}
.btn-outline-x{background:transparent;color:var(--orange);border-color:var(--orange)}
.btn-outline-x:hover{background:var(--orange-soft);color:var(--orange-dark)}
.btn-sm-x{height:38px;padding:0 18px;font-size:13.5px}
.link-x{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--ink);position:relative;padding-bottom:2px;
}
.link-x::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:currentColor;
  transition:width .24s var(--ease);
}
.link-x:hover::after{width:100%}
.link-x .arw{transition:transform .24s var(--ease)}
.link-x:hover .arw{transform:translateX(4px)}

/* 汉堡与抽屉 */
.dock-toggle{
  display:none;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.dock-toggle span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease)}
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--sand);
  padding:20px 20px 28px;display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(16px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
.drawer.open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px;flex:1}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:20px;font-weight:600;color:var(--ink);
  min-height:56px;border-bottom:1px solid var(--line);
}
.drawer-nav a::after{content:"→";font-size:16px;color:var(--ink-3)}
.drawer-nav a.active{color:var(--orange)}
.drawer-cta{margin-top:16px;width:100%}

/* ---------- 分类 Hero ---------- */
.cat-hero{padding:48px 0 8px}
.cat-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:center}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:18px}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--orange)}
.crumbs span[aria-current]{color:var(--ink)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  border:1px solid var(--orange);color:var(--orange-dark);
  background:var(--orange-soft);
  font-size:12px;letter-spacing:.08em;font-weight:600;line-height:1;
}
.cat-hero h1{
  font-size:clamp(28px,3.4vw,44px);line-height:1.16;font-weight:800;
  letter-spacing:-.02em;margin:18px 0 16px;max-width:14em;
}
.hero-lead{font-size:16.5px;line-height:1.85;color:var(--ink-2);max-width:34em}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;font-size:13px;color:var(--ink-3)}
.hero-meta .dot{color:var(--line)}
.cat-hero-side{position:relative;display:flex;justify-content:flex-end}
.cat-num{
  position:absolute;top:-46px;right:-6px;
  font-family:var(--font-num);font-weight:700;font-size:96px;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px rgba(20,23,26,.22);
  opacity:.55;pointer-events:none;user-select:none;
}
.cat-hero-figure{position:relative;width:100%;border-radius:var(--r-hero);overflow:hidden;background:var(--sand-2);box-shadow:var(--sh-1)}
.cat-hero-figure img{width:100%;height:250px;border-radius:var(--r-hero);transition:transform .32s var(--ease)}
.cat-hero-figure figcaption{
  position:absolute;left:12px;bottom:12px;
  background:rgba(255,255,255,.9);color:var(--ink);
  font-size:12px;padding:4px 10px;border-radius:var(--r-tag);letter-spacing:.02em;
}
.cat-hero-figure:hover img{transform:scale(1.03)}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0 0}
.section:first-of-type{padding-top:64px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.2;font-weight:700;letter-spacing:-.02em}
.sec-head .sec-lead{margin-top:10px;font-size:15px;color:var(--ink-3);max-width:44em}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.1em;
  color:var(--orange-dark);font-weight:700;margin-bottom:12px;
}
.sec-eyebrow::before{content:"";width:18px;height:2px;background:var(--orange);border-radius:2px}

/* ---------- 三列防护卡 ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.guard-card{
  position:relative;background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px 24px 22px;overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.guard-card::before{
  content:"";position:absolute;left:0;top:0;height:4px;width:56px;
  background:var(--orange);border-radius:0 0 4px 0;
  transition:width .3s var(--ease);
}
.guard-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.guard-card:hover::before{width:100%}
.guard-no{
  display:block;font-family:var(--font-num);font-weight:700;font-size:13px;
  letter-spacing:.14em;color:var(--orange);margin-bottom:14px;
}
.guard-card h3{font-size:19px;font-weight:700;line-height:1.4;letter-spacing:-.01em;margin-bottom:10px}
.guard-card p{font-size:15px;line-height:1.8;color:var(--ink-2)}
.guard-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:20px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12px;color:var(--ink-3);
}

/* ---------- 对照表 ---------- */
.table-shell{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.table-scroll{overflow-x:auto}
.check-table{width:100%;border-collapse:collapse;min-width:720px}
.check-table thead th{
  background:var(--sand-2);color:var(--ink-2);font-size:13px;font-weight:600;
  letter-spacing:.06em;text-align:left;padding:14px 18px;white-space:nowrap;
}
.check-table td{padding:16px 18px;border-top:1px solid var(--line);font-size:15px;line-height:1.75;color:var(--ink-2);vertical-align:top}
.check-table td:first-child{color:var(--ink);font-weight:600;white-space:nowrap}
.check-table td .mini{display:inline-block;font-size:12px;color:var(--green);border:1px solid rgba(31,111,92,.35);background:rgba(31,111,92,.08);border-radius:var(--r-tag);padding:1px 8px}
.check-table tbody tr:hover td{background:#FBFAF6}

/* ---------- 清单 + 图 ---------- */
.check-split{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:40px;align-items:center}
.check-list{counter-reset:ck}
.check-list li{
  position:relative;padding:16px 0 16px 34px;border-bottom:1px solid var(--line);
  font-size:15px;line-height:1.8;color:var(--ink-2);
}
.check-list li::before{
  counter-increment:ck;content:counter(ck,decimal-leading-zero);
  position:absolute;left:0;top:17px;font-family:var(--font-num);font-weight:600;
  font-size:13px;color:var(--orange);letter-spacing:.06em;
}
.check-list li strong{display:block;color:var(--ink);font-size:16px;font-weight:600;margin-bottom:2px}
.check-figure{position:relative;background:var(--sand-2);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.check-figure img{width:100%;height:320px;transition:transform .32s var(--ease)}
.check-figure:hover img{transform:scale(1.03)}

/* ---------- 步骤流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:8px}
.step{position:relative;padding:0 20px 0 0}
.step::after{
  content:"";position:absolute;right:10px;top:17px;width:calc(100% - 44px);
  border-top:1px dashed var(--line);left:52px;
}
.step:last-child::after{display:none}
.step-no{
  width:34px;height:34px;border-radius:50%;border:1.5px solid var(--orange);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:600;font-size:15px;color:var(--orange);
  background:#fff;position:relative;z-index:1;
  transition:background .24s var(--ease),color .24s var(--ease);
}
.step:hover .step-no{background:var(--orange);color:#fff}
.step h3{font-size:16px;font-weight:600;margin:14px 0 6px;letter-spacing:-.01em}
.step p{font-size:14px;line-height:1.8;color:var(--ink-3);padding-right:10px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:3fr 9fr;gap:48px;align-items:start}
.faq-side h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.25;letter-spacing:-.02em}
.faq-side p{margin-top:12px;font-size:14px;color:var(--ink-3);line-height:1.8}
.faq-side .link-x{margin-top:18px}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;text-align:left;cursor:pointer;
  padding:18px 4px;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .24s var(--ease),padding-left .24s var(--ease);
}
.faq-q:hover{color:var(--orange-dark)}
.faq-item.open .faq-q{padding-left:16px;position:relative}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:2px;background:var(--orange);border-radius:2px;
}
.faq-icon{
  position:relative;flex:none;width:18px;height:18px;
  transition:transform .26s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink-2);border-radius:2px;
  transition:background .24s 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.open .faq-icon{transform:rotate(90deg)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease)}
.faq-a-inner{padding:0 4px 20px 16px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta-band{margin-top:88px}
.cta-inner{
  background:var(--ink);color:#F7F5F1;border-radius:var(--r-card);
  padding:48px 48px 48px 44px;position:relative;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:center;
}
.cta-inner::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--orange);
}
.cta-inner h2{font-size:clamp(24px,3.2vw,36px);line-height:1.22;font-weight:800;letter-spacing:-.02em;max-width:22em}
.cta-inner p{margin-top:12px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.8}
.cta-btns{display:flex;flex-direction:column;gap:12px;align-items:stretch;min-width:200px}
.cta-btns .btn-x{width:100%}
.cta-btns .btn-ghost-x{color:#F7F5F1;border-color:rgba(255,255,255,.5)}
.cta-btns .btn-ghost-x:hover{background:rgba(255,255,255,.1);color:#fff}
.cta-note{margin-top:16px;font-size:12px;color:rgba(255,255,255,.5)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#F7F5F1;margin-top:88px;padding:64px 0 0;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{height:auto}
.footer-brand .logo-strong{color:#fff}
.footer-brand .logo-bar{background:var(--line-dark)}
.footer-brand .logo-sub{color:rgba(255,255,255,.6)}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:28em}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.08em;color:rgba(255,255,255,.5);margin-bottom:16px}
.footer-col ul li{margin-bottom:11px;font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.7}
.footer-col ul li a{color:rgba(255,255,255,.72)}
.footer-col ul li a:hover{color:var(--orange)}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:18px 0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:12px;color:rgba(255,255,255,.6);flex-wrap:wrap;
}
.to-top{
  position:absolute;right:32px;bottom:74px;width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.35);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;transition:transform .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease);
}
.to-top:hover{transform:translateY(-2px);background:rgba(255,255,255,.12);border-color:#fff;color:#fff}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (min-width:992px) and (max-width:1199px){
  .container{padding:0 32px}
  .dock{max-width:960px}
  .cat-hero-grid{grid-template-columns:minmax(0,1fr) 300px;gap:36px}
}
@media (max-width:991px){
  .cat-hero-grid{grid-template-columns:1fr;gap:32px}
  .cat-hero-side{justify-content:flex-start}
  .cat-num{top:-24px;right:auto;left:0;font-size:76px}
  .guard-grid{grid-template-columns:1fr}
  .check-split{grid-template-columns:1fr;gap:28px}
  .check-figure img{height:260px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:30px}
  .step::after{display:none}
  .faq-wrap{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;padding:40px 32px}
  .cta-btns{flex-direction:row;flex-wrap:wrap;min-width:0}
  .cta-btns .btn-x{width:auto}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .cd-inner{padding-top:8px;padding-bottom:8px}
  .cd-left{font-size:12px}
  .cd-timer .cd-unit:nth-child(2),.cd-timer .cd-unit:nth-child(3),.cd-timer .cd-unit:nth-child(4){display:none}
  .cd-right{gap:10px}
  .dock-wrap{top:48px;padding:0 16px;margin-top:8px}
  .dock{padding:6px 8px 6px 16px;gap:10px}
  .dock-nav,.dock-actions .icon-btn,.dock-actions .btn-x{display:none}
  .dock-toggle{display:inline-flex}
  .logo-sub{font-size:10px}
  .cat-hero{padding:32px 0 0}
  .cat-hero h1{font-size:clamp(26px,7vw,34px)}
  .hero-lead{font-size:15.5px}
  .cat-num{font-size:64px;opacity:.45}
  .cat-hero-figure img{height:200px}
  .section{padding-top:48px}
  .cta-band{margin-top:48px}
  .site-footer{margin-top:56px;padding-top:44px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .to-top{right:20px;bottom:auto;top:-20px}
  .steps{grid-template-columns:1fr;row-gap:22px}
  .step{padding-right:0}
  .check-figure img{height:220px}
}
@media (max-width:400px){
  .hero-meta{flex-direction:column;align-items:flex-start;gap:4px}
  .hero-meta .dot{display:none}
  .cat-num{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --ink:#14171A;
  --ink-2:#4A5157;
  --ink-3:#6E767C;
  --sand:#F5F2EC;
  --sand-2:#EDE8DF;
  --card:#FFFFFF;
  --line:#E2DED6;
  --orange:#E4552B;
  --orange-d:#C2431F;
  --orange-soft:rgba(228,85,43,.12);
  --green:#1F6F5C;
  --r-cap:999px;
  --r-card:16px;
  --r-img:12px;
  --sh-1:0 2px 8px rgba(20,23,26,.06);
  --sh-2:0 8px 24px rgba(20,23,26,.10);
  --sh-3:0 12px 32px rgba(20,23,26,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-body-color:#14171A;
  --bs-body-bg:#F5F2EC;
  --bs-primary:#E4552B;
  --bs-border-radius:16px;
  --bs-link-color:#14171A;
  --bs-link-hover-color:#C2431F;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--sand);
  color:var(--ink);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  background-image:linear-gradient(rgba(20,23,26,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(20,23,26,.028) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--orange-d);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
.container{max-width:1200px;padding-left:32px;padding-right:32px;margin:0 auto;width:100%;}
.num{font-family:"Barlow Condensed","Oswald","Arial Narrow",Impact,sans-serif;font-variant-numeric:tabular-nums;letter-spacing:.01em;}

/* ============ 倒计时条 ============ */
.topbar{
  position:sticky;top:0;z-index:1030;
  background:var(--ink);
  color:#F6F3ED;
  min-height:40px;
  display:flex;align-items:center;
  font-size:13px;letter-spacing:.02em;
}
.topbar-inner{
  max-width:1200px;width:100%;margin:0 auto;
  padding:6px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.topbar-name{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;}
.topbar-name .dot{width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 3px rgba(228,85,43,.22);}
.topbar-right{display:inline-flex;align-items:center;gap:16px;}
.countdown{display:inline-flex;align-items:center;gap:12px;}
.cd-item{display:inline-flex;align-items:baseline;gap:4px;}
.cd-num{font-size:16px;font-weight:600;line-height:1;}
.cd-unit{font-size:11px;opacity:.6;}
.topbar-btn{
  display:inline-flex;align-items:center;gap:4px;
  height:26px;padding:0 12px;border-radius:var(--r-cap);
  background:var(--orange);color:#fff;font-size:12px;font-weight:600;
  transition:background .24s var(--ease),transform .24s var(--ease);
}
.topbar-btn:hover{background:var(--orange-d);color:#fff;transform:translateY(-1px);}

/* ============ Dock 导航 ============ */
.dock-wrap{position:sticky;top:40px;z-index:1020;padding:12px 20px 0;}
.dock{
  max-width:1080px;margin:0 auto;
  display:flex;align-items:center;gap:20px;
  padding:8px 14px 8px 18px;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border:1px solid var(--line);
  border-radius:var(--r-cap);
  box-shadow:var(--sh-3);
  transition:padding .24s var(--ease),box-shadow .24s var(--ease);
}
.dock.is-compact{padding-top:6px;padding-bottom:6px;box-shadow:0 10px 28px rgba(20,23,26,.16);}
.logo{display:inline-flex;align-items:center;gap:8px;height:32px;flex:0 0 auto;}
.logo-strong{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--ink);}
.logo-bar{width:1px;height:16px;background:var(--line);}
.logo-sub{font-size:11px;color:var(--ink-3);letter-spacing:.04em;white-space:nowrap;}
.dock-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.dock-nav a{
  position:relative;font-size:13.5px;font-weight:500;color:var(--ink-2);
  padding:8px 0;white-space:nowrap;
}
.dock-nav a::after{
  content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;
  background:var(--orange);transition:width .26s var(--ease);
}
.dock-nav a:hover{color:var(--ink);}
.dock-nav a:hover::after{width:100%;}
.dock-nav a.active{color:var(--ink);font-weight:600;}
.dock-nav a.active::after{width:100%;}
.dock-right{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:36px;height:36px;border-radius:50%;border:1px solid transparent;
  background:transparent;color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .24s var(--ease),color .24s var(--ease);
}
.icon-btn:hover{background:var(--sand-2);color:var(--ink);}
.icon-btn:focus-visible{outline:2px solid rgba(228,85,43,.4);outline-offset:2px;}
.hamburger{
  display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.hamburger span{display:block;width:16px;height:1.6px;background:var(--ink);border-radius:2px;}

/* 按钮 */
.btn-core{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:44px;padding:0 28px;border-radius:var(--r-cap);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:background .24s var(--ease),color .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease);
  cursor:pointer;
}
.btn-primary-core{background:var(--orange);color:#fff;}
.btn-primary-core:hover{background:var(--orange-d);color:#fff;transform:translateY(-1px);}
.btn-primary-core:active{transform:translateY(0);}
.btn-primary-core:focus-visible{outline:2px solid rgba(228,85,43,.4);outline-offset:2px;}
.btn-ghost-core{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost-core:hover{background:rgba(20,23,26,.06);color:var(--ink);transform:translateY(-1px);}
.btn-ghost-orange{background:transparent;color:var(--orange);border-color:var(--orange);}
.btn-ghost-orange:hover{background:var(--orange-soft);color:var(--orange-d);}
.btn-sm-core{height:36px;padding:0 18px;font-size:13px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);
  position:relative;padding-bottom:2px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;height:1.5px;width:0;background:var(--orange);
  transition:width .24s var(--ease);
}
.text-link:hover{color:var(--orange-d);}
.text-link:hover::after{width:100%;}
.text-link span.arrow{transition:transform .24s var(--ease);}
.text-link:hover span.arrow{transform:translateX(4px);}

/* 标签 */
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:6px;font-size:12px;letter-spacing:.06em;
  background:var(--orange-soft);color:var(--orange-d);border:1px solid rgba(228,85,43,.28);
}
.tag-outline{background:transparent;color:var(--orange-d);border:1px solid var(--orange);}
.tag-green{background:rgba(31,111,92,.10);color:var(--green);border:1px solid rgba(31,111,92,.3);}
.tag-muted{background:var(--sand-2);color:var(--ink-2);border:1px solid var(--line);}

/* ============ 分类 Hero ============ */
.cat-hero{padding:48px 0 8px;}
.cat-hero-inner{display:grid;grid-template-columns:1fr 300px;gap:56px;align-items:end;}
.breadcrumb-core{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:18px;flex-wrap:wrap;
}
.breadcrumb-core a{color:var(--ink-3);}
.breadcrumb-core a:hover{color:var(--orange-d);}
.breadcrumb-core .sep{opacity:.5;}
.breadcrumb-core .cur{color:var(--ink);font-weight:500;}
.cat-hero h1{
  font-size:clamp(28px,3.4vw,44px);line-height:1.2;font-weight:800;letter-spacing:-.02em;
  max-width:16em;
}
.cat-hero h1 .h1-mark{color:var(--orange);}
.cat-hero .lede{
  margin-top:18px;font-size:16px;line-height:1.85;color:var(--ink-2);max-width:36em;
}
.hero-meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-mark{text-align:right;}
.hero-mark .big-num{
  font-size:96px;line-height:.85;font-weight:700;color:transparent;
  -webkit-text-stroke:1px rgba(20,23,26,.26);
  letter-spacing:-.02em;
}
.hero-mark .mark-caption{
  font-size:12px;color:var(--ink-3);letter-spacing:.12em;margin-top:10px;
}
.hero-mark .mark-img{
  margin-top:18px;border-radius:var(--r-img);overflow:hidden;background:var(--sand-2);
}
.hero-mark .mark-img img{width:100%;height:140px;object-fit:cover;}

/* ============ 主体 ============ */
.section{padding:56px 0 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:28px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.02em;line-height:1.25;}
.section-head .sub{margin-top:8px;font-size:15px;color:var(--ink-3);max-width:34em;}

.main-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start;}

.act-list{border-top:1px solid var(--line);}
.act-row{
  display:grid;grid-template-columns:120px minmax(0,1fr) 44px;gap:20px;align-items:center;
  padding:20px 8px;border-bottom:1px solid var(--line);
  transition:background .24s var(--ease),transform .24s var(--ease);
}
.act-row:hover{background:#FBFAF7;transform:translateX(2px);}
.act-thumb{
  width:120px;height:80px;border-radius:var(--r-img);overflow:hidden;background:var(--sand-2);flex:0 0 auto;
}
.act-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.act-row:hover .act-thumb img{transform:scale(1.03);}
.act-body h3{font-size:17px;font-weight:600;line-height:1.45;letter-spacing:-.01em;}
.act-body h3 a:hover{color:var(--orange-d);}
.act-body p{
  margin-top:8px;font-size:14px;line-height:1.7;color:var(--ink-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.act-info{display:flex;align-items:center;gap:10px;margin-top:12px;flex-wrap:wrap;font-size:13px;color:var(--ink-3);}
.act-info .dot-sep{width:3px;height:3px;border-radius:50%;background:var(--ink-3);opacity:.5;}
.act-arrow{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);background:#fff;font-size:15px;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.act-row:hover .act-arrow{background:var(--orange);color:#fff;border-color:var(--orange);transform:translateX(2px);}
.list-foot{margin-top:26px;display:flex;justify-content:flex-start;}

/* 侧栏 */
.side{position:sticky;top:120px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:15px;font-weight:700;letter-spacing:.01em;margin-bottom:14px;}
.side-list li{
  position:relative;padding-left:18px;font-size:14px;line-height:1.75;color:var(--ink-2);margin-bottom:10px;
}
.side-list li:last-child{margin-bottom:0;}
.side-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;background:var(--orange);border-radius:2px;
}
.side-stat{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);}
.side-stat:last-of-type{border-bottom:0;}
.side-stat span{font-size:13px;color:var(--ink-3);}
.side-stat strong{font-size:22px;font-weight:700;line-height:1;}
.side-stat strong em{font-size:12px;font-style:normal;color:var(--ink-3);margin-left:2px;}
.side-cta{background:var(--ink);border-color:var(--ink);color:#F6F3ED;}
.side-cta h3{color:#fff;}
.side-cta p{font-size:13.5px;line-height:1.75;color:rgba(246,243,237,.72);margin-bottom:16px;}
.side-cta .btn-core{width:100%;}
.side-note{font-size:12px;color:rgba(246,243,237,.5);margin-top:12px;line-height:1.6;}

/* ============ 参数表 ============ */
.table-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:8px 0 0;box-shadow:var(--sh-1);overflow:hidden;
}
.table-scroll{overflow-x:auto;}
table.param{width:100%;border-collapse:collapse;min-width:680px;}
table.param thead th{
  background:var(--sand-2);color:var(--ink);font-size:13px;font-weight:600;letter-spacing:.04em;
  text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.param tbody td{
  padding:14px;font-size:14px;color:var(--ink-2);border-bottom:1px solid var(--line);line-height:1.6;
}
table.param tbody tr:last-child td{border-bottom:0;}
table.param tbody tr:hover{background:#FBFAF7;}
table.param tbody td:first-child{color:var(--ink);font-weight:600;}
.table-foot{padding:14px 18px;font-size:12.5px;color:var(--ink-3);border-top:1px solid var(--line);background:#FCFBF8;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:3fr 9fr;gap:48px;align-items:start;}
.faq-left h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.02em;line-height:1.25;}
.faq-left p{margin-top:12px;font-size:14px;color:var(--ink-3);line-height:1.8;max-width:16em;}
.faq-left .faq-contact{margin-top:18px;display:inline-flex;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-item summary{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;
  list-style:none;cursor:pointer;padding:20px 4px 20px 0;
  font-size:16px;font-weight:600;line-height:1.5;color:var(--ink);
  transition:color .24s var(--ease),padding-left .24s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--orange-d);}
.faq-item[open] summary{padding-left:14px;}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:2px;background:var(--orange);border-radius:2px;
}
.faq-item summary::after{
  content:"";flex:0 0 auto;width:12px;height:12px;margin-right:4px;
  border-right:1.6px solid var(--ink-2);border-bottom:1.6px solid var(--ink-2);
  transform:rotate(45deg);transition:transform .26s var(--ease),border-color .24s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--orange);}
.faq-body{padding:0 4px 22px 14px;font-size:15px;line-height:1.85;color:var(--ink-2);}
.faq-body p+p{margin-top:12px;}

/* ============ CTA ============ */
.cta-band{
  background:var(--ink);color:#F6F3ED;border-radius:20px;
  padding:44px 42px;margin-top:8px;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--orange);
}
.cta-inner{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;}
.cta-band h2{font-size:clamp(24px,3.2vw,36px);font-weight:800;letter-spacing:-.02em;line-height:1.25;color:#fff;}
.cta-band p{margin-top:12px;font-size:14px;color:rgba(246,243,237,.68);line-height:1.8;max-width:34em;}
.cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:14px;}
.cta-actions .text-link{color:#F6F3ED;}
.cta-actions .text-link:hover{color:var(--orange);}
.cta-actions .text-link::after{background:var(--orange);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#F6F3ED;margin-top:88px;padding:64px 0 0;position:relative;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .logo-strong{color:#fff;font-size:18px;font-weight:800;letter-spacing:-.02em;}
.footer-brand .logo-bar{background:rgba(255,255,255,.24);}
.footer-brand .logo-sub{color:rgba(246,243,237,.55);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(246,243,237,.6);max-width:26em;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul li{margin-bottom:10px;font-size:14px;line-height:1.7;}
.footer-col ul li a{color:rgba(246,243,237,.66);}
.footer-col ul li a:hover{color:var(--orange);}
.footer-col ul li span{color:rgba(246,243,237,.66);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(246,243,237,.6);
}
.to-top{
  position:absolute;right:32px;bottom:80px;width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.28);color:rgba(246,243,237,.8);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
  transition:transform .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
}
.to-top:hover{transform:translateY(-2px);background:var(--orange);border-color:var(--orange);color:#fff;}

/* ============ 移动端抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:1100;background:var(--sand);
  padding:24px 20px 20px;display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;color:var(--ink);
}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:20px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--orange-d);}
.drawer-nav a .arw{color:var(--ink-3);font-size:16px;}
.drawer-cta{margin-top:auto;padding-top:20px;}
.drawer-cta .btn-core{width:100%;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .container{padding-left:32px;padding-right:32px;}
  .dock{max-width:960px;}
  .main-grid{grid-template-columns:minmax(0,1fr) 300px;gap:32px;}
}
@media (max-width:991.98px){
  .cat-hero-inner{grid-template-columns:1fr;gap:28px;}
  .hero-mark{display:flex;align-items:flex-end;gap:24px;text-align:left;}
  .hero-mark .big-num{font-size:72px;}
  .hero-mark .mark-img{margin-top:0;flex:1;max-width:280px;}
  .hero-mark .mark-img img{height:110px;}
  .main-grid{grid-template-columns:1fr;}
  .side{position:static;flex-direction:row;flex-wrap:wrap;}
  .side-card{flex:1 1 260px;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .faq-left p{max-width:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;gap:24px;}
  .cta-actions{flex-direction:row;align-items:center;flex-wrap:wrap;}
}
@media (max-width:991.98px) and (min-width:768px){
  .act-row{grid-template-columns:104px minmax(0,1fr) 44px;}
  .act-thumb{width:104px;height:72px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container{padding-left:20px;padding-right:20px;}
  .topbar-inner{padding:6px 20px;gap:10px;}
  .cd-item.hide-sm{display:none;}
  .topbar-name{font-size:12px;}
  .dock-wrap{padding:8px 12px 0;top:38px;}
  .dock{padding:8px 10px 8px 14px;gap:10px;}
  .dock-nav{display:none;}
  .dock-right .icon-btn,.dock-right .btn-core{display:none;}
  .hamburger{display:inline-flex;}
  .cat-hero{padding:32px 0 4px;}
  .cat-hero .lede{font-size:15px;}
  .section{padding:44px 0 0;}
  .act-row{grid-template-columns:88px minmax(0,1fr);gap:14px;padding:16px 4px;}
  .act-thumb{width:88px;height:66px;}
  .act-arrow{display:none;}
  .act-body h3{font-size:16px;}
  .act-body p{-webkit-line-clamp:2;font-size:13.5px;}
  .side{flex-direction:column;}
  .side-card{width:100%;}
  .cta-band{padding:32px 24px;border-radius:16px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn-core{width:100%;}
  .cta-actions .text-link{justify-content:center;}
  .site-footer{margin-top:56px;padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .to-top{right:20px;bottom:96px;}
  .faq-item summary{font-size:15px;padding:18px 2px 18px 0;}
  .faq-body{padding-left:12px;font-size:14.5px;}
  .table-card{border-radius:14px;}
}
@media (max-width:399.98px){
  .hero-mark .big-num{font-size:56px;}
  .hero-mark .mark-img{display:none;}
  .act-row{grid-template-columns:76px minmax(0,1fr);gap:12px;}
  .act-thumb{width:76px;height:58px;}
  .cd-num{font-size:15px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;transform:none !important;}
}

/* roulang page: category4 */
:root{
  --ink:#14171A;
  --ink-2:#4A5157;
  --ink-3:#6E767C;
  --sand:#F5F2EC;
  --sand-soft:#EDE8DF;
  --white:#FFFFFF;
  --line:#E2DED6;
  --line-dark:rgba(255,255,255,.14);
  --orange:#E4552B;
  --orange-dark:#C2431F;
  --orange-soft:rgba(228,85,43,.12);
  --green:#1F6F5C;
  --r-card:16px;
  --r-img:12px;
  --r-hero:20px;
  --sh-1:0 2px 8px rgba(20,23,26,.06);
  --sh-2:0 8px 24px rgba(20,23,26,.10);
  --sh-3:0 12px 32px rgba(20,23,26,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --num:'Barlow Condensed','Oswald',Impact,'Arial Narrow',sans-serif;
  --bs-primary:#E4552B;
  --bs-primary-rgb:228,85,43;
  --bs-body-font-family:'PingFang SC','HarmonyOS Sans SC','Source Han Sans SC','Noto Sans SC','Microsoft YaHei',sans-serif;
  --bs-body-color:#14171A;
  --bs-body-bg:#F5F2EC;
  --bs-border-radius:12px;
  --bs-link-color:#14171A;
  --bs-link-hover-color:#C2431F;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--sand);
  color:var(--ink);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--ink);text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--orange-dark)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.num{font-family:var(--num);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;letter-spacing:.01em}

/* ---------- 顶部倒计时条 ---------- */
.topbar{
  background:var(--ink);
  color:#F5F2EC;
  font-size:13px;
  letter-spacing:.02em;
  min-height:40px;
  display:flex;
  align-items:center;
}
.topbar-inner{
  max-width:1200px;
  margin:0 auto;
  padding:6px 32px;
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-left{display:flex;align-items:center;gap:8px;white-space:nowrap}
.dot-live{
  width:7px;height:7px;border-radius:50%;background:var(--orange);
  box-shadow:0 0 0 3px rgba(228,85,43,.22);
  flex:0 0 auto;
}
.topbar-right{display:flex;align-items:center;gap:14px}
.cd{display:flex;align-items:flex-end;gap:10px}
.cd-item{display:flex;align-items:baseline;gap:4px}
.cd-num{font-family:var(--num);font-size:17px;font-weight:600;line-height:1;font-variant-numeric:tabular-nums}
.cd-unit{font-size:11px;opacity:.62}
.cd-btn{
  display:inline-flex;align-items:center;gap:4px;
  height:26px;padding:0 12px;border-radius:999px;
  background:var(--orange);color:#fff;font-size:12px;font-weight:600;
  border:0;transition:background .24s var(--ease),transform .24s var(--ease);
}
.cd-btn:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px)}

/* ---------- 浮动 Dock ---------- */
.dock-wrap{
  position:sticky;
  top:12px;
  z-index:80;
  padding:12px 20px 0;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  max-width:1080px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:20px;
  padding:8px 10px 8px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border:1px solid var(--line);
  box-shadow:0 12px 32px rgba(20,23,26,.12);
  transition:padding .24s var(--ease),box-shadow .24s var(--ease);
}
.dock.is-scrolled{padding:6px 10px 6px 18px;box-shadow:0 14px 36px rgba(20,23,26,.16)}
.dock-logo{display:flex;align-items:center;gap:8px;height:32px;flex:0 0 auto}
.logo-strong{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.logo-bar{width:1px;height:16px;background:var(--line);display:inline-block}
.logo-sub{font-size:11px;color:var(--ink-3);letter-spacing:.04em;white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:26px;margin-left:6px}
.dock-nav a{
  position:relative;font-size:13.5px;font-weight:500;color:var(--ink-2);
  padding:6px 0;transition:color .24s var(--ease);
}
.dock-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--orange);border-radius:2px;
  transition:width .24s var(--ease);
}
.dock-nav a:hover{color:var(--ink)}
.dock-nav a:hover::after{width:100%}
.dock-nav a.active{color:var(--ink);font-weight:600}
.dock-nav a.active::after{width:100%}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:38px;height:38px;border-radius:50%;border:0;background:transparent;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);cursor:pointer;transition:background .24s var(--ease),color .24s var(--ease);
}
.icon-btn:hover{background:var(--sand-soft);color:var(--ink)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;transition:background .24s var(--ease),color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.btn-primary{background:var(--orange);color:#fff;border-color:var(--orange)}
.btn-primary:hover{background:var(--orange-dark);border-color:var(--orange-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:focus-visible{box-shadow:0 0 0 4px rgba(228,85,43,.35)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:rgba(20,23,26,.06);color:var(--ink)}
.btn-outline-orange{background:transparent;color:var(--orange);border-color:var(--orange)}
.btn-outline-orange:hover{background:var(--orange-soft);color:var(--orange-dark);border-color:var(--orange-dark)}
.btn-sm{min-height:38px;padding:0 20px;font-size:13.5px}
.dock .btn-sm{min-height:38px}
.burger{display:none;width:40px;height:40px;border-radius:50%;border:0;background:transparent;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.drawer{
  position:fixed;inset:0;z-index:120;
  background:var(--sand);
  padding:24px 20px 110px;
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
  overflow-y:auto;
}
.drawer.open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  font-size:20px;font-weight:600;line-height:1;padding:0;
  height:56px;border-bottom:1px solid var(--line);color:var(--ink);
}
.drawer a.drawer-link.active{color:var(--orange)}
.drawer-cta{position:fixed;left:20px;right:20px;bottom:24px}
.drawer-cta .btn{width:100%}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  padding:48px 0 56px;
  background:
    linear-gradient(180deg,rgba(20,23,26,.035),rgba(20,23,26,0) 60%),
    var(--sand);
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(20,23,26,.05) 0 1px,transparent 1px 88px);
  opacity:.35;pointer-events:none;
}
.cat-hero .container{position:relative;z-index:1}
.breadcrumb-line{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);margin-bottom:22px;
}
.breadcrumb-line a{color:var(--ink-3)}
.breadcrumb-line a:hover{color:var(--orange-dark)}
.breadcrumb-line .sep{color:var(--line)}
.breadcrumb-line .cur{color:var(--ink);font-weight:500}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:40px;align-items:end}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.08em;font-weight:600;
  padding:5px 12px;border-radius:999px;
  border:1px solid var(--orange);color:var(--orange);
  background:rgba(255,255,255,.6);
}
.tag-fill{background:var(--orange-soft);border-color:transparent;color:var(--orange-dark)}
.cat-hero h1{
  margin-top:18px;
  font-size:clamp(28px,3.4vw,44px);
  line-height:1.2;font-weight:800;letter-spacing:-.02em;
  max-width:19em;
}
.cat-hero h1 em{font-style:normal;color:var(--orange)}
.hero-lead{
  margin-top:16px;font-size:16px;line-height:1.85;color:var(--ink-2);
  max-width:34em;
}
.hero-meta{margin-top:22px;display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:var(--ink-3)}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.hero-meta i{width:5px;height:5px;border-radius:50%;background:var(--orange);display:inline-block}
.hero-num{
  font-family:var(--num);font-weight:700;line-height:.8;
  font-size:clamp(72px,8vw,104px);letter-spacing:-.02em;
  color:rgba(20,23,26,.07);
  -webkit-text-stroke:1px rgba(20,23,26,.20);
  text-align:right;user-select:none;
}
.hero-num small{display:block;font-size:12px;letter-spacing:.24em;color:var(--ink-3);-webkit-text-stroke:0;margin-top:14px;font-family:var(--bs-body-font-family);font-weight:500}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.2;font-weight:700;letter-spacing:-.02em}
.section-head p{margin-top:10px;font-size:15px;color:var(--ink-3);max-width:38em}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);position:relative;padding-bottom:2px}
.link-more::after{content:"";position:absolute;left:0;bottom:0;height:1.5px;width:0;background:var(--orange);transition:width .24s var(--ease)}
.link-more:hover{color:var(--orange-dark)}
.link-more:hover::after{width:100%}
.link-more:hover .arrow{transform:translateX(4px)}
.arrow{transition:transform .24s var(--ease);display:inline-block}

/* ---------- 规则速查表 ---------- */
.rules-block{
  display:grid;grid-template-columns:280px minmax(0,1fr);gap:40px;align-items:start;
}
.rules-aside h2{font-size:clamp(22px,2.4vw,28px);line-height:1.25;font-weight:700;letter-spacing:-.02em}
.rules-aside p{margin-top:12px;font-size:14.5px;color:var(--ink-3);line-height:1.85}
.rules-aside .note{
  margin-top:20px;padding-left:14px;border-left:2px solid var(--orange);
  font-size:13.5px;color:var(--ink-2);line-height:1.8;
}
.table-wrap{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--white);box-shadow:var(--sh-1)}
.rules-table{width:100%;border-collapse:collapse;font-size:14.5px}
.rules-table thead th{
  background:var(--sand-soft);color:var(--ink);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.rules-table thead th.state{color:var(--green)}
.rules-table tbody td{padding:14px 16px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top;line-height:1.7}
.rules-table tbody tr:last-child td{border-bottom:0}
.rules-table tbody tr:hover{background:#FBF9F5}
.rules-table strong{color:var(--ink);font-weight:600}
.pill{
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;
  padding:3px 10px;border-radius:6px;letter-spacing:.02em;
}
.pill-green{background:rgba(31,111,92,.10);color:var(--green)}
.pill-orange{background:var(--orange-soft);color:var(--orange-dark)}
.pill-gray{background:var(--sand-soft);color:var(--ink-2)}

/* ---------- 步骤时间线 ---------- */
.steps{position:relative;margin-top:8px}
.steps::before{
  content:"";position:absolute;left:17px;top:14px;bottom:22px;width:2px;
  background:linear-gradient(180deg,var(--orange),var(--line) 70%);
}
.step{position:relative;padding:0 0 28px 60px}
.step:last-child{padding-bottom:0}
.step-mark{
  position:absolute;left:0;top:0;width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--num);font-size:15px;font-weight:700;
  background:var(--white);border:1.5px solid var(--orange);color:var(--orange-dark);
  letter-spacing:.02em;
}
.step-title{font-size:18px;font-weight:600;line-height:1.5;padding-top:5px}
.step-desc{margin-top:8px;font-size:14.5px;color:var(--ink-2);line-height:1.85;max-width:46em}
.step-more{margin-top:12px;border:1px solid var(--line);border-radius:12px;background:var(--white);padding:0 16px}
.step-more summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:600;color:var(--orange-dark);
  padding:12px 0;min-height:44px;
}
.step-more summary::-webkit-details-marker{display:none}
.step-more summary::after{
  content:"+";margin-left:auto;font-size:16px;font-weight:600;color:var(--ink-3);
  transition:transform .24s var(--ease);
}
.step-more[open] summary::after{content:"−"}
.step-more ul{padding:0 0 16px;border-top:1px solid var(--line);padding-top:14px;font-size:14px;color:var(--ink-2);line-height:1.85}
.step-more li{position:relative;padding-left:16px;margin-bottom:8px}
.step-more li:last-child{margin-bottom:0}
.step-more li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;background:var(--orange);border-radius:2px}

/* ---------- 提示代码对照 ---------- */
.code-block{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:44px;align-items:start}
.code-figure{position:relative;border-radius:var(--r-hero);overflow:hidden;background:var(--sand-soft);box-shadow:var(--sh-2)}
.code-figure img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.code-figure .cap{
  position:absolute;left:14px;bottom:14px;
  background:rgba(20,23,26,.82);color:#fff;font-size:12px;
  padding:6px 12px;border-radius:999px;letter-spacing:.02em;
}
.code-list li{
  display:grid;grid-template-columns:112px minmax(0,1fr);gap:16px;
  padding:16px 0;border-bottom:1px solid var(--line);align-items:baseline;
}
.code-list li:first-child{border-top:1px solid var(--line)}
.code-list .code{
  font-family:var(--num);font-size:16px;font-weight:600;letter-spacing:.04em;
  color:var(--orange-dark);font-variant-numeric:tabular-nums;
}
.code-list .desc{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.code-list .desc b{display:block;color:var(--ink);font-weight:600;margin-bottom:2px;font-size:15px}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:3fr 9fr;gap:44px;align-items:start}
.faq-aside h2{font-size:clamp(22px,2.6vw,30px);line-height:1.25;font-weight:700;letter-spacing:-.02em}
.faq-aside p{margin-top:12px;font-size:14.5px;color:var(--ink-3);line-height:1.85}
.faq-aside .contact{margin-top:22px;font-size:13.5px;color:var(--ink-2);line-height:1.9;padding-left:14px;border-left:2px solid var(--orange)}
.faq-aside .contact a{color:var(--orange-dark);font-weight:600}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:flex-start;gap:16px;
  padding:18px 0;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .24s var(--ease);
}
.faq-q:hover{color:var(--orange-dark)}
.faq-q .mark{
  flex:0 0 auto;width:18px;height:18px;margin-top:3px;position:relative;
}
.faq-q .mark::before,.faq-q .mark::after{
  content:"";position:absolute;background:var(--ink-3);border-radius:2px;
  transition:transform .26s var(--ease),background .26s var(--ease);
}
.faq-q .mark::before{left:0;top:8px;width:18px;height:2px}
.faq-q .mark::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-q{color:var(--orange-dark)}
.faq-item.open .faq-q .mark::after{transform:rotate(90deg);opacity:0}
.faq-item.open .faq-q .mark::before{background:var(--orange)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease)}
.faq-a-inner{padding:0 0 20px 34px;font-size:15px;line-height:1.85;color:var(--ink-2);border-left:2px solid transparent}
.faq-item.open .faq-a-inner{border-left-color:var(--orange);padding-left:18px;margin-left:16px}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);color:#F5F2EC;
  border-radius:0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--orange);
}
.cta-inner{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:center;
  padding:56px 0;
}
.cta-inner h2{font-size:clamp(26px,3.6vw,40px);line-height:1.2;font-weight:800;letter-spacing:-.02em;color:#fff;max-width:16em}
.cta-inner .sub{margin-top:14px;font-size:14px;color:rgba(245,242,236,.66);line-height:1.85;max-width:34em}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.cta-link{color:#F5F2EC;font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.cta-link::after{content:"";position:absolute}
.cta-link:hover{color:var(--orange)}
.cta-link:hover .arrow{transform:translateX(4px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#F5F2EC;margin-top:88px;padding:64px 0 0;position:relative}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px}
.footer-brand .logo-strong{color:#F5F2EC}
.footer-brand .logo-bar{background:rgba(255,255,255,.24)}
.footer-brand .logo-sub{color:rgba(245,242,236,.6)}
.footer-brand p{font-size:13.5px;line-height:1.9;color:rgba(245,242,236,.62);max-width:26em}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:rgba(245,242,236,.5);font-weight:600;margin-bottom:16px}
.footer-col li{margin-bottom:10px;font-size:14px}
.footer-col a,.footer-col span{color:rgba(245,242,236,.82);font-size:14px}
.footer-col a:hover{color:var(--orange)}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:20px 0 28px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12px;color:rgba(245,242,236,.6);
}
.to-top{
  position:absolute;right:32px;bottom:76px;
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.28);color:#F5F2EC;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;transition:transform .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease);
}
.to-top:hover{transform:translateY(-2px);background:var(--orange);border-color:var(--orange);color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .dock{max-width:960px}
  .hero-grid{grid-template-columns:minmax(0,1fr) 180px}
}
@media (max-width:991px){
  .container{padding:0 28px}
  .topbar-inner{padding:6px 28px}
  .dock-nav{display:none}
  .burger{display:flex}
  .dock-actions .btn-sm{display:none}
  .hero-grid{grid-template-columns:1fr;gap:24px}
  .hero-num{text-align:left;font-size:64px}
  .rules-block{grid-template-columns:1fr;gap:24px}
  .code-block{grid-template-columns:1fr;gap:26px}
  .faq-layout{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;gap:24px;padding:48px 0}
  .to-top{position:static;margin:0 0 0 auto;display:flex}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 20px}
  .topbar-inner{padding:8px 20px;flex-wrap:wrap;gap:8px}
  .topbar{min-height:36px;font-size:12.5px}
  .cd-item.opt{display:none}
  .cd-num{font-size:16px}
  .dock-wrap{padding:8px 12px 0;top:8px}
  .dock{padding:7px 8px 7px 14px;gap:10px}
  .dock-logo{gap:6px}
  .logo-strong{font-size:16px}
  .logo-sub{font-size:10px}
  .section{padding:48px 0}
  .cat-hero{padding:32px 0 40px}
  .hero-lead{font-size:15px}
  .hero-meta{font-size:12.5px;gap:6px 14px}
  .step{padding-left:52px}
  .steps::before{left:15px}
  .step-mark{width:32px;height:32px;font-size:14px}
  .step-title{font-size:16.5px}
  .code-list li{grid-template-columns:1fr;gap:4px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .cta-link{justify-content:center;width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .site-footer{margin-top:56px;padding-top:44px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
  .faq-q{font-size:15px}
  .faq-a-inner{font-size:14.5px}
  .rules-table{min-width:640px}
  .table-wrap{overflow-x:auto}
}
@media (max-width:575px){
  .section-head{flex-direction:column;align-items:flex-start}
  .hero-num{display:none}
  .drawer a.drawer-link{font-size:18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;transform:none!important}
}