/* roulang page: index */
:root{
  --bg-deep:#0C0E12;
  --bg-panel:#141922;
  --bg-raised:#1A202C;
  --bg-soft:#10141d;
  --line-gold:rgba(217,179,108,.32);
  --line-soft:rgba(255,255,255,.08);
  --gold:#D9B36C;
  --gold-light:#F0D99B;
  --gold-deep:#B8914C;
  --cyan:#2DE1C2;
  --text-hi:#F1F3F8;
  --text-mid:#A7AFBB;
  --text-low:#68717F;
  --r-md:10px;
  --r-lg:18px;
  --r-xl:28px;
  --shadow-card:0 18px 40px rgba(0,0,0,.35);
  --font-sys:system-ui,-apple-system,"PingFang SC","HarmonicOS Sans SC","Microsoft YaHei UI","Microsoft YaHei",sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text-hi);
  font-family:var(--font-sys);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
input{font:inherit}
h1,h2,h3,h4,p,ul,li{margin:0;padding:0}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding-inline:24px}
.section-pad{padding-block:92px}

a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
  border-radius:6px;
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* 按钮体系 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:50px;
  padding:0 30px;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  letter-spacing:.02em;
  transition:background .2s,box-shadow .2s,transform .2s,border-color .2s,color .2s;
}
.btn-primary{
  background:linear-gradient(135deg,var(--gold-deep) 0%,var(--gold-light) 100%);
  color:#21180C;
  box-shadow:0 10px 28px rgba(217,179,108,.22);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 0 1px var(--gold),0 16px 36px rgba(217,179,108,.28);
}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  border:1px solid var(--gold);
  color:var(--gold-light);
  background:transparent;
}
.btn-ghost:hover{
  background:rgba(217,179,108,.08);
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(217,179,108,.3);
}
.btn-ghost:active{transform:translateY(1px)}

/* 浮动 Dock 导航 */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:100;
  display:flex;
  justify-content:center;
  padding:18px 16px 0;
  pointer-events:none;
  transition:padding .25s;
}
body.scrolled .site-header{padding-top:12px}
.dock{
  pointer-events:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:100%;
  max-width:1200px;
  height:68px;
  padding:0 16px 0 10px;
  border-radius:999px;
  background:rgba(13,16,23,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid rgba(217,179,108,.28);
  box-shadow:0 12px 40px rgba(0,0,0,.24);
  transition:height .25s ease,background .25s ease,box-shadow .25s ease;
}
body.scrolled .dock{
  height:58px;
  background:rgba(10,12,17,.94);
  box-shadow:0 14px 38px rgba(0,0,0,.42);
}
.dock-brand{
  display:flex;
  align-items:center;
  gap:11px;
  flex-shrink:0;
}
.logo-mark{
  width:40px;
  height:40px;
  flex:0 0 40px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--gold-deep),var(--gold-light));
  color:#1A1206;
  font-weight:900;
  font-size:15px;
  display:grid;
  place-items:center;
  letter-spacing:.03em;
  box-shadow:0 6px 18px rgba(217,179,108,.2);
}
.logo-text{
  font-weight:800;
  font-size:18px;
  letter-spacing:.02em;
  color:var(--text-hi);
  white-space:nowrap;
}
.dock-links{
  display:flex;
  align-items:center;
  gap:30px;
  margin-inline:12px;
}
.dock-links a{
  position:relative;
  font-size:15px;
  color:var(--text-mid);
  font-weight:500;
  padding:6px 2px;
  transition:color .2s;
  white-space:nowrap;
}
.dock-links a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:100%;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-light));
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.dock-links a:hover,
.dock-links a.active{
  color:var(--gold-light);
}
.dock-links a:hover::after,
.dock-links a.active::after{
  transform:scaleX(1);
}
.dock-actions{
  display:flex;
  align-items:center;
  gap:8px;
  flex-shrink:0;
}
.dock-divider{
  width:1px;
  height:24px;
  background:rgba(255,255,255,.1);
  margin-inline:4px;
}
.btn-dock{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:42px;
  padding:0 22px;
  border-radius:999px;
  background:linear-gradient(135deg,var(--gold-deep),var(--gold-light));
  color:#21180C;
  font-weight:700;
  font-size:14px;
  letter-spacing:.04em;
  box-shadow:0 6px 20px rgba(217,179,108,.18);
  transition:transform .2s,box-shadow .2s;
  white-space:nowrap;
}
.btn-dock:hover{
  transform:translateY(-2px);
  box-shadow:0 0 0 1px var(--gold),0 10px 24px rgba(217,179,108,.28);
}
.menu-btn{
  display:none;
  width:42px;
  height:42px;
  border-radius:50%;
  align-items:center;
  justify-content:center;
  color:var(--gold-light);
  border:1px solid var(--line-gold);
  transition:background .2s;
}
.menu-btn:hover{
  background:rgba(217,179,108,.1);
}
.menu-btn span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  margin:2px auto;
}

/* 首屏 Hero */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  overflow:hidden;
  background:var(--bg-deep);
}
.hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  z-index:0;
}
.hero-bg::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(rgba(255,255,255,.05) 1px,transparent 0);
  background-size:26px 26px;
  opacity:.45;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(115deg,rgba(12,14,18,.96) 25%,rgba(12,14,18,.88) 52%,rgba(12,14,18,.6) 100%),
             radial-gradient(960px 420px at 80% 25%,rgba(217,179,108,.14),transparent 70%);
}
.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:64px;
  align-items:center;
  width:100%;
  padding-top:120px;
  padding-bottom:90px;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:8px 16px;
  border-radius:999px;
  border:1px solid var(--line-gold);
  background:rgba(217,179,108,.06);
  font-size:13px;
  letter-spacing:.1em;
  color:var(--gold-light);
  margin-bottom:26px;
  text-transform:uppercase;
}
.dot-gold{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--gold);
  box-shadow:0 0 0 5px rgba(217,179,108,.14),0 0 16px rgba(217,179,108,.7);
}
.hero-title{
  font-size:clamp(38px,5vw,62px);
  line-height:1.16;
  font-weight:900;
  letter-spacing:-.02em;
  color:var(--text-hi);
  margin-bottom:24px;
}
.hero-title .gold-line{
  display:block;
  background:linear-gradient(90deg,var(--gold),var(--gold-light));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  padding-bottom:6px;
}
.hero-lead{
  font-size:clamp(17px,1.5vw,20px);
  color:var(--text-mid);
  max-width:580px;
  line-height:1.85;
  margin-bottom:36px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:18px;
}
.hero-note{
  margin-top:20px;
  font-size:13px;
  color:var(--text-low);
  letter-spacing:.02em;
}
.hero-visual{
  position:relative;
  display:flex;
  justify-content:center;
}
.virtual-panel{
  width:100%;
  max-width:470px;
  border-radius:24px;
  border:1px solid rgba(217,179,108,.3);
  background:linear-gradient(160deg,rgba(24,28,38,.9),rgba(14,18,26,.94));
  box-shadow:0 30px 80px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.06);
  padding:18px;
  position:relative;
  overflow:hidden;
}
.virtual-panel::before{
  content:"";
  position:absolute;
  right:-80px;
  top:-80px;
  width:220px;
  height:220px;
  border-radius:50%;
  border:1px solid rgba(217,179,108,.16);
  pointer-events:none;
}
.vp-top{
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--text-low);
  font-weight:600;
  padding:2px 4px 12px;
  border-bottom:1px solid rgba(255,255,255,.05);
}
.vp-brand{
  color:var(--gold-light);
  font-weight:700;
}
.vp-preview{
  margin:16px 0;
  aspect-ratio:4/3;
  border-radius:16px;
  overflow:hidden;
  position:relative;
  background:#0A0D12;
}
.vp-preview img{
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.9;
}
.vp-preview::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to top,rgba(10,13,18,.5),transparent 60%);
}
.vp-footer{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:4px 4px 0;
}
.vp-status{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:14px;
  font-weight:600;
  color:var(--text-hi);
}
.live-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:#27e0a4;
  box-shadow:0 0 0 4px rgba(39,224,164,.12),0 0 16px rgba(39,224,164,.7);
}
.vp-meta{
  display:flex;
  gap:16px;
  font-size:12px;
  color:var(--text-low);
}
.vp-meta span{
  border-left:1px solid rgba(255,255,255,.08);
  padding-left:12px;
}

/* 滚动信息条 */
.info-ticker{
  background:#0A0D12;
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid rgba(217,179,108,.18);
  overflow:hidden;
  padding-block:12px;
  margin-top:-1px;
}
.ticker-track{
  display:flex;
  align-items:center;
  gap:42px;
  white-space:nowrap;
  animation:tickerSlide 38s linear infinite;
  width:max-content;
}
.ticker-track span{
  font-size:13px;
  color:var(--text-mid);
  letter-spacing:.04em;
}
.ticker-track i{
  display:inline-block;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--gold);
  margin-right:10px;
  vertical-align:middle;
}
.ticker-track .tick-sep{
  color:var(--gold);
  opacity:.5;
}
@keyframes tickerSlide{
  0%{transform:translateX(0)}
  100%{transform:translateX(-50%)}
}

/* 信任保障条 */
.trust-band{
  background:var(--bg-soft);
  border-bottom:1px solid rgba(255,255,255,.05);
}
.trust-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  padding-block:40px;
}
.trust-item{
  display:flex;
  align-items:flex-start;
  gap:16px;
  padding:14px 0;
  min-width:0;
}
.trust-item .t-icon{
  flex:0 0 42px;
  width:42px;
  height:42px;
  border-radius:13px;
  display:grid;
  place-items:center;
  background:rgba(217,179,108,.08);
  border:1px solid rgba(217,179,108,.22);
  color:var(--gold);
}
.t-icon svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.trust-item strong{
  display:block;
  font-size:16px;
  font-weight:700;
  color:var(--text-hi);
  margin-bottom:5px;
}
.trust-item p{
  font-size:14px;
  color:var(--text-mid);
  line-height:1.6;
}

/* 区块标题 */
.section-head{
  max-width:780px;
  margin-bottom:52px;
}
.section-head.center{
  margin-inline:auto;
  text-align:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--gold);
  text-transform:uppercase;
  margin-bottom:15px;
}
.eyebrow::before{
  content:"";
  width:24px;
  height:1px;
  background:var(--gold);
}
.section-title{
  font-size:clamp(30px,4vw,42px);
  font-weight:900;
  line-height:1.3;
  color:var(--text-hi);
  letter-spacing:-.015em;
}
.section-sub{
  margin-top:14px;
  font-size:15px;
  color:var(--text-mid);
  line-height:1.8;
}

/* 图文亮点 */
.feature-section{
  background:var(--bg-deep);
}
.feature-section.light{
  background:#10141D;
}
.split-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.split-grid.reversed .split-media{
  order:2;
}
.split-grid.wide-media .split-media{
  aspect-ratio:16/10;
}
.split-media{
  position:relative;
  aspect-ratio:4/3;
  border-radius:var(--r-xl);
  overflow:hidden;
  background:var(--bg-raised);
  box-shadow:var(--shadow-card);
  border:1px solid rgba(255,255,255,.07);
}
.split-img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .6s ease;
}
.split-grid:hover .split-img{
  transform:scale(1.02);
}
.split-copy .mini-title{
  font-size:22px;
  font-weight:800;
  color:var(--text-hi);
  line-height:1.45;
  margin-bottom:16px;
}
.split-copy p{
  color:var(--text-mid);
  font-size:15px;
  line-height:1.85;
  margin-bottom:20px;
}
.split-points{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-bottom:30px;
}
.split-points li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:15px;
  color:var(--text-hi);
}
.split-points li::before{
  content:"✓";
  flex:0 0 20px;
  width:20px;
  height:20px;
  border-radius:50%;
  background:rgba(217,179,108,.14);
  color:var(--gold);
  font-size:13px;
  display:grid;
  place-items:center;
  margin-top:3px;
}

/* 资讯列表 */
.news-section{
  background:var(--bg-deep);
  border-top:1px solid rgba(255,255,255,.05);
}
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.news-card{
  display:flex;
  flex-direction:column;
  background:var(--bg-panel);
  border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.07);
  overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{
  transform:translateY(-4px);
  border-color:rgba(217,179,108,.3);
  box-shadow:var(--shadow-card);
}
.news-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-raised);
}
.news-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.news-card:hover .news-thumb img{
  transform:scale(1.04);
}
.news-body{
  display:flex;
  flex-direction:column;
  flex:1;
  padding:22px 24px 24px;
}
.news-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-bottom:12px;
}
.pill{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:999px;
  border:1px solid rgba(217,179,108,.25);
  background:rgba(217,179,108,.08);
  color:var(--gold-light);
  font-size:12px;
  letter-spacing:.03em;
  white-space:nowrap;
}
.news-time{
  font-size:13px;
  color:var(--text-low);
  flex-shrink:0;
}
.news-title{
  font-size:18px;
  font-weight:700;
  line-height:1.55;
  color:var(--text-hi);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:10px;
}
.news-summary{
  font-size:14px;
  color:var(--text-mid);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  flex:1;
}
.news-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--gold);
  margin-top:18px;
  transition:gap .2s,color .2s;
}
.news-link:hover{
  gap:10px;
  color:var(--gold-light);
}
.news-empty{
  grid-column:1/-1;
  background:var(--bg-panel);
  border:1px dashed rgba(255,255,255,.15);
  border-radius:var(--r-lg);
  padding:56px 20px;
  text-align:center;
  color:var(--text-low);
}
.empty-orbit{
  width:48px;
  height:48px;
  border-radius:50%;
  border:1px solid rgba(217,179,108,.4);
  margin:0 auto 16px;
  position:relative;
}
.empty-orbit::before{
  content:"";
  position:absolute;
  inset:9px;
  border-radius:50%;
  border:1px solid rgba(217,179,108,.16);
}

/* FAQ */
.faq-section{
  background:var(--bg-soft);
}
.faq-grid{
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:64px;
  align-items:start;
}
.faq-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.faq-item{
  background:var(--bg-panel);
  border:1px solid rgba(255,255,255,.07);
  border-radius:var(--r-md);
  transition:border-color .2s,box-shadow .2s;
}
.faq-item.open{
  border-color:rgba(217,179,108,.3);
  box-shadow:0 12px 30px rgba(0,0,0,.2);
}
.faq-q{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:18px;
  padding:20px 22px;
  cursor:pointer;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text-hi);
  width:100%;
}
.faq-q .q-count{
  color:var(--gold);
  font-size:13px;
  font-weight:700;
  margin-right:10px;
  font-style:normal;
}
.faq-q .plus{
  flex:0 0 26px;
  width:26px;
  height:26px;
  border-radius:50%;
  border:1px solid rgba(217,179,108,.3);
  color:var(--gold);
  display:grid;
  place-items:center;
  font-size:18px;
  transition:transform .3s,background .2s;
  font-weight:400;
}
.faq-item.open .plus{
  transform:rotate(45deg);
  background:rgba(217,179,108,.1);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
  padding:0 22px;
}
.faq-item.open .faq-a{
  max-height:320px;
  padding-bottom:20px;
  padding-top:2px;
}
.faq-a p{
  color:var(--text-mid);
  font-size:15px;
  line-height:1.85;
  border-left:2px solid rgba(217,179,108,.2);
  padding-left:16px;
}
.process-side{
  background:var(--bg-panel);
  border:1px solid rgba(217,179,108,.18);
  border-radius:var(--r-lg);
  padding:34px 30px;
  position:relative;
  overflow:hidden;
}
.process-side::before{
  content:"";
  position:absolute;
  right:-80px;
  top:-80px;
  width:220px;
  height:220px;
  border-radius:50%;
  border:1px solid rgba(217,179,108,.14);
}
.process-title{
  font-size:21px;
  font-weight:800;
  margin-bottom:26px;
  color:var(--text-hi);
}
.process-step{
  position:relative;
  display:flex;
  gap:20px;
  padding-bottom:28px;
}
.process-step:last-child{
  padding-bottom:0;
}
.process-step::before{
  content:"";
  position:absolute;
  left:19px;
  top:46px;
  bottom:0;
  width:1px;
  background:linear-gradient(to bottom,rgba(217,179,108,.4),rgba(217,179,108,.06));
}
.process-step:last-child::before{
  display:none;
}
.step-num{
  flex:0 0 40px;
  width:40px;
  height:40px;
  border-radius:50%;
  background:rgba(217,179,108,.1);
  border:1px solid rgba(217,179,108,.35);
  display:grid;
  place-items:center;
  font-size:13px;
  font-weight:800;
  color:var(--gold-light);
}
.step-body strong{
  display:block;
  font-size:16px;
  color:var(--text-hi);
  margin-bottom:5px;
}
.step-body span{
  font-size:14px;
  color:var(--text-mid);
  line-height:1.7;
  display:block;
}
.service-note{
  margin-top:26px;
  padding:18px 18px 18px 20px;
  background:rgba(217,179,108,.05);
  border-radius:12px;
  border:1px solid rgba(217,179,108,.18);
  font-size:13px;
  color:var(--text-low);
  line-height:1.8;
}

/* 栏目导流 */
.cat-section{
  background:var(--bg-deep);
}
.category-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  grid-auto-rows:1fr;
  gap:24px;
}
.cat-card{
  position:relative;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  min-height:300px;
  border-radius:var(--r-xl);
  overflow:hidden;
  color:var(--text-hi);
  border:1px solid rgba(255,255,255,.08);
  transition:transform .25s ease,border-color .25s ease;
}
.cat-card:hover{
  transform:translateY(-3px);
  border-color:rgba(217,179,108,.32);
}
.cat-feature{
  grid-row:span 2;
  min-height:500px;
}
.cat-side{
  min-height:238px;
}
.cat-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .55s ease;
}
.cat-card:hover .cat-bg{
  transform:scale(1.04);
}
.cat-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(to top,rgba(8,10,14,.92) 5%,rgba(8,10,14,.55) 55%,rgba(8,10,14,.2) 100%);
  z-index:1;
}
.cat-body{
  position:relative;
  z-index:2;
  padding:28px 30px;
}
.cat-tag{
  display:inline-block;
  font-size:12px;
  letter-spacing:.1em;
  color:var(--gold-light);
  background:rgba(10,12,16,.5);
  border:1px solid rgba(217,179,108,.3);
  padding:4px 12px;
  border-radius:999px;
  margin-bottom:10px;
}
.cat-body h3{
  font-size:24px;
  font-weight:800;
  color:#fff;
  margin-bottom:10px;
}
.cat-feature h3{
  font-size:clamp(24px,2.4vw,32px);
}
.cat-body p{
  font-size:14px;
  color:rgba(255,255,255,.72);
  line-height:1.8;
  max-width:560px;
}
.cat-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:18px;
  font-size:14px;
  font-weight:700;
  color:var(--gold-light);
  transition:gap .2s,color .2s;
}
.cat-card:hover .cat-more{
  gap:12px;
  color:#fff;
}

/* 底部 CTA 横幅 */
.cta-banner{
  position:relative;
  padding-block:108px;
  overflow:hidden;
  border-top:1px solid rgba(217,179,108,.15);
}
.cta-media{
  position:absolute;
  inset:0;
  z-index:0;
}
.cta-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.cta-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(12,14,18,.94),rgba(12,14,18,.86)),radial-gradient(900px 500px at 50% 0,rgba(217,179,108,.17),transparent 70%);
}
.cta-inner{
  position:relative;
  z-index:2;
  text-align:center;
  max-width:760px;
  margin:0 auto;
}
.cta-inner h2{
  font-size:clamp(30px,4vw,44px);
  font-weight:900;
  line-height:1.35;
  color:#fff;
  margin-bottom:18px;
}
.cta-inner p{
  font-size:16px;
  color:rgba(255,255,255,.66);
  line-height:1.85;
  margin-bottom:28px;
}
.cta-btns{
  display:flex;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
}

/* 页脚 */
.footer{
  background:#0A0D12;
  border-top:1px solid rgba(255,255,255,.08);
  position:relative;
}
.footer::before{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(217,179,108,.55),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .9fr 1fr 1fr;
  gap:48px;
  padding-block:64px 48px;
}
.footer-brand p{
  font-size:14px;
  color:var(--text-low);
  max-width:280px;
  line-height:1.8;
  margin-top:16px;
}
.footer-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.footer-logo .logo-text{
  font-size:18px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:var(--text-hi);
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col a{
  display:block;
  color:var(--text-low);
  font-size:14px;
  padding-block:6px;
  transition:color .2s;
}
.footer-col a:hover{
  color:var(--gold-light);
}
.footer-col p{
  font-size:14px;
  color:var(--text-low);
  line-height:1.9;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  padding-block:18px;
}
.footer-bottom-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-low);
}
.footer-disclaimer{
  color:rgba(104,113,127,.8);
}

/* 移动端悬浮条 */
.mobile-cta{
  display:none;
}

/* 响应式 */
@media(max-width:1200px){
  .dock-links{gap:16px}
}
@media(max-width:1024px){
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .split-grid{gap:40px}
  .faq-grid{gap:40px}
}
@media(max-width:900px){
  .dock-links{
    position:fixed;
    top:88px;
    left:16px;
    right:16px;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    margin:0;
    background:rgba(13,16,23,.98);
    border:1px solid rgba(217,179,108,.3);
    border-radius:20px;
    padding:14px;
    box-shadow:0 24px 60px rgba(0,0,0,.45);
    display:none;
    pointer-events:auto;
  }
  .dock-links a{
    display:block;
    width:100%;
    font-size:16px;
    padding:13px 12px;
    border-bottom:1px solid rgba(255,255,255,.05);
    color:var(--text-hi);
  }
  .dock-links a:last-child{border-bottom:0}
  .dock-links a::after{display:none}
  body.menu-open .dock-links{display:flex}
  .menu-btn{display:flex}
  .btn-dock{padding:0 16px;font-size:13px}
}
@media(max-width:768px){
  .section-pad{padding-block:66px}
  .hero-grid{
    grid-template-columns:1fr;
    gap:36px;
    padding-top:150px;
    padding-bottom:54px;
  }
  .hero-visual{display:none}
  .hero-title{font-size:clamp(34px,7vw,48px)}
  .split-grid{
    grid-template-columns:1fr;
    gap:34px;
  }
  .split-grid.reversed .split-media{
    order:0;
  }
  .split-media{aspect-ratio:16/10}
  .faq-grid{grid-template-columns:1fr}
  .category-grid{grid-template-columns:1fr}
  .cat-feature{min-height:360px;grid-row:auto}
  .cat-side{min-height:220px}
  .cta-inner h2{font-size:30px}
  .mobile-cta{
    position:fixed;
    bottom:0;
    left:0;
    right:0;
    z-index:50;
    display:flex;
    gap:12px;
    padding:14px 16px calc(14px + env(safe-area-inset-bottom));
    background:rgba(12,14,18,.88);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-top:1px solid rgba(217,179,108,.25);
  }
  .mobile-cta .btn{
    flex:1;
    min-height:46px;
    padding:0 14px;
    font-size:14px;
  }
  body{padding-bottom:76px}
}
@media(max-width:600px){
  .container{padding-inline:18px}
  .trust-grid{grid-template-columns:1fr;padding-block:24px}
  .trust-item{padding-block:8px}
  .news-grid{grid-template-columns:1fr}
  .dock-links{left:12px;right:12px;top:82px}
  .btn-dock{
    width:42px;
    padding:0;
    display:grid;
    place-items:center;
    font-size:0;
    border-radius:50%;
  }
  .btn-dock::after{
    content:"→";
    font-size:18px;
    font-weight:700;
  }
  .dock-brand .logo-text{font-size:16px}
  .logo-mark{width:36px;height:36px;flex-basis:36px}
  .cat-body{padding:22px}
  .cta-banner{padding-block:76px}
}

/* roulang page: category1 */
:root {
            --bg-deep: #0C0E12;
            --bg-panel: #141922;
            --bg-raised: #1A202C;
            --line-gold: rgba(217, 179, 108, .32);
            --line-soft: rgba(255, 255, 255, .08);
            --gold: #D9B36C;
            --gold-light: #F0D99B;
            --cyan: #2DE1C2;
            --text-hi: #F1F3F8;
            --text-mid: #A7AFBB;
            --text-low: #68717F;
            --r-md: 10px;
            --r-lg: 18px;
            --r-xl: 28px;
            --shadow-card: 0 18px 40px rgba(0, 0, 0, .35);
            --font-sans: system-ui, -apple-system, "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
            --font-num: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-padding-top: 100px;
        }

        body {
            background: var(--bg-deep);
            color: var(--text-hi);
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        img {
            display: block;
            max-width: 100%;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
            border-radius: 6px;
        }

        .container {
            width: min(1200px, 100% - 48px);
            margin-inline: auto;
        }

        .section {
            padding: 92px 0;
        }

        .section-alt {
            background: var(--bg-panel);
        }

        .section-label {
            color: var(--gold);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .22em;
            text-transform: uppercase;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .section-label::before {
            content: "";
            width: 24px;
            height: 1px;
            background: var(--gold);
            opacity: .7;
        }

        .section-title {
            font-size: clamp(26px, 4vw, 40px);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -.02em;
            margin-bottom: 14px;
        }

        .section-lead {
            color: var(--text-mid);
            max-width: 720px;
            font-size: 17px;
            line-height: 1.75;
        }

        /* Floating Dock Nav */
        .site-header {
            pointer-events: none;
            position: relative;
            z-index: 60;
        }

        .dock {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: min(1220px, calc(100% - 32px));
            height: 68px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding: 6px 8px 6px 16px;
            border-radius: 999px;
            background: rgba(13, 16, 23, .82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--line-gold);
            box-shadow: 0 12px 40px rgba(0, 0, 0, .32);
            pointer-events: auto;
            transition: top .22s ease, height .22s ease, background .22s ease, box-shadow .22s ease;
        }

        .dock.is-scrolled {
            top: 10px;
            height: 60px;
            background: rgba(10, 13, 19, .92);
            box-shadow: 0 16px 50px rgba(0, 0, 0, .48), 0 0 0 1px rgba(217, 179, 108, .08);
        }

        .dock-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            flex: 0 0 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: linear-gradient(135deg, #B8914C, #F0D99B);
            color: #21180C;
            font-weight: 900;
            font-size: 15px;
            letter-spacing: -.02em;
            box-shadow: 0 6px 18px rgba(217, 179, 108, .2);
        }

        .logo-text {
            font-weight: 800;
            font-size: 18px;
            letter-spacing: .02em;
            color: var(--text-hi);
            white-space: nowrap;
        }

        .dock-links {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-inline: auto;
        }

        .dock-links a {
            position: relative;
            padding: 10px 16px;
            border-radius: 999px;
            color: var(--text-mid);
            font-weight: 500;
            font-size: 15px;
            white-space: nowrap;
            transition: color .18s ease, background .18s ease;
        }

        .dock-links a::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 5px;
            height: 2px;
            border-radius: 99px;
            background: var(--gold);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform .22s ease;
        }

        .dock-links a:hover {
            color: var(--text-hi);
        }

        .dock-links a:hover::after,
        .dock-links a.active::after {
            transform: scaleX(1);
        }

        .dock-links a.active {
            color: var(--gold-light);
            font-weight: 600;
        }

        .dock-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .dock-divider {
            width: 1px;
            height: 22px;
            background: rgba(255, 255, 255, .14);
        }

        .btn-dock {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 20px;
            border-radius: 999px;
            background: linear-gradient(135deg, #B8914C, #E6C88C);
            color: #21180C;
            font-weight: 700;
            font-size: 14px;
            letter-spacing: .02em;
            box-shadow: 0 8px 22px rgba(217, 179, 108, .18);
            transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
            white-space: nowrap;
        }

        .btn-dock:hover {
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(217, 179, 108, .32), 0 0 0 1px var(--gold);
        }

        .btn-dock:active {
            transform: translateY(0);
        }

        .menu-btn {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .16);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            transition: border-color .2s ease, background .2s ease;
        }

        .menu-btn span {
            display: block;
            width: 18px;
            height: 2px;
            border-radius: 2px;
            background: var(--text-hi);
            transition: transform .2s ease, opacity .2s ease;
        }

        .menu-btn:hover {
            border-color: var(--gold);
        }

        @media (max-width: 1024px) {
            .dock-links {
                display: none;
                position: absolute;
                top: calc(100% + 14px);
                left: 0;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                background: rgba(10, 13, 19, .96);
                border: 1px solid var(--line-gold);
                border-radius: 24px;
                padding: 16px;
                box-shadow: 0 30px 60px rgba(0, 0, 0, .5);
                backdrop-filter: blur(20px);
            }

            .dock-links.open {
                display: flex;
            }

            .dock-links a {
                padding: 14px 16px;
            }

            .dock-links a::after {
                display: none;
            }

            .dock-links a:hover,
            .dock-links a.active {
                background: rgba(217, 179, 108, .1);
                color: var(--gold-light);
            }

            .menu-btn {
                display: inline-flex;
            }

            .dock-cta-label {
                display: none;
            }
        }

        @media (max-width: 600px) {
            .logo-text {
                font-size: 16px;
            }

            .dock {
                padding-left: 10px;
            }

            .btn-dock {
                padding: 0 16px;
                min-height: 40px;
            }
        }

        /* Hero Section */
        .category-hero {
            position: relative;
            padding: 170px 0 92px;
            background:
                radial-gradient(ellipse at 78% 20%, rgba(217, 179, 108, .13), transparent 48%),
                radial-gradient(ellipse at 15% 80%, rgba(45, 225, 194, .05), transparent 42%),
                linear-gradient(180deg, #0C0E12 0%, #10141D 100%);
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, .045) 1px, transparent 0);
            background-size: 24px 24px;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 72px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 999px;
            border: 1px solid var(--line-gold);
            background: rgba(217, 179, 108, .08);
            color: var(--gold-light);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .08em;
            margin-bottom: 22px;
        }

        .hero-badge::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold);
            box-shadow: 0 0 12px rgba(217, 179, 108, .8);
        }

        .category-hero h1 {
            font-size: clamp(36px, 5.4vw, 64px);
            font-weight: 900;
            line-height: 1.12;
            letter-spacing: -.03em;
            margin-bottom: 22px;
        }

        .hero-gold {
            background: linear-gradient(100deg, #D9B36C, #F7E5BB, #D9B36C);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-desc {
            color: var(--text-mid);
            font-size: 18px;
            line-height: 1.8;
            max-width: 590px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .btn-primary,
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 52px;
            padding: 0 28px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 15px;
            transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
        }

        .btn-primary {
            background: linear-gradient(135deg, #B8914C, #E8CC90);
            color: #21180C;
            box-shadow: 0 10px 30px rgba(217, 179, 108, .22);
        }

        .btn-primary:hover {
            filter: brightness(1.06);
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(217, 179, 108, .34), 0 0 0 1px var(--gold-light);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-ghost {
            border: 1px solid var(--line-gold);
            color: var(--gold-light);
            background: transparent;
        }

        .btn-ghost:hover {
            background: rgba(217, 179, 108, .08);
            border-color: var(--gold);
            transform: translateY(-2px);
            box-shadow: 0 0 0 1px rgba(217, 179, 108, .1);
        }

        .hero-panel {
            position: relative;
        }

        .panel-card {
            position: relative;
            background: rgba(18, 23, 33, .85);
            border: 1px solid rgba(217, 179, 108, .25);
            border-radius: 26px;
            padding: 16px;
            box-shadow: 0 30px 80px rgba(0, 0, 0, .5), inset 0 1px 0 rgba(255, 255, 255, .05);
            backdrop-filter: blur(10px);
            overflow: hidden;
        }

        .panel-card::before {
            content: "";
            position: absolute;
            inset: 0;
            pointer-events: none;
            background: linear-gradient(120deg, rgba(255, 255, 255, .03), transparent 34%);
        }

        .panel-topbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 6px 12px;
            font-size: 12px;
            color: var(--text-low);
            letter-spacing: .12em;
        }

        .panel-media {
            width: 100%;
            aspect-ratio: 16 / 10;
            border-radius: 18px;
            overflow: hidden;
            position: relative;
            background: #0F131B;
            margin-bottom: 14px;
        }

        .panel-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .panel-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 45%, rgba(12, 14, 18, .65) 100%);
            pointer-events: none;
        }

        .panel-status {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            padding: 2px 4px 8px;
        }

        .status-cell {
            background: rgba(255, 255, 255, .03);
            border: 1px solid rgba(255, 255, 255, .06);
            border-radius: 12px;
            padding: 12px 14px;
        }

        .status-label {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--text-low);
            margin-bottom: 5px;
        }

        .status-label .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--cyan);
            box-shadow: 0 0 8px rgba(45, 225, 194, .8);
        }

        .status-value {
            font-family: var(--font-num);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-hi);
        }

        .panel-ring {
            position: absolute;
            border: 1px solid rgba(217, 179, 108, .45);
            border-radius: 50%;
            pointer-events: none;
        }

        .panel-ring.one {
            width: 220px;
            height: 220px;
            top: -90px;
            right: -70px;
        }

        .panel-ring.two {
            width: 80px;
            height: 80px;
            left: -26px;
            bottom: -20px;
            border-color: rgba(45, 225, 194, .28);
        }

        @media (max-width: 960px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 50px;
            }

            .hero-panel {
                max-width: 620px;
            }
        }

        @media (max-width: 640px) {
            .category-hero {
                padding: 130px 0 70px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-primary,
            .btn-ghost {
                width: 100%;
            }

            .section {
                padding: 64px 0;
            }
        }

        /* intro strip */
        .intro-strip {
            position: relative;
            border-top: 1px solid rgba(255, 255, 255, .06);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
            background: rgba(10, 13, 18, .6);
        }

        .intro-strip-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 18px 40px;
            padding: 20px 0;
            font-size: 14px;
            color: var(--text-mid);
        }

        .intro-strip-inner span {
            display: inline-flex;
            align-items: center;
            gap: 9px;
        }

        .intro-strip-inner span::before {
            content: "";
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--gold);
            opacity: .8;
        }

        /* feature grid */
        .features-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            gap: 32px;
            margin-bottom: 46px;
            flex-wrap: wrap;
        }

        .numbered-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 22px;
            padding: 34px 30px;
            position: relative;
            overflow: hidden;
            transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
        }

        .feature-card::after {
            content: "";
            position: absolute;
            width: 180px;
            height: 180px;
            right: -80px;
            top: -80px;
            border-radius: 50%;
            border: 1px solid rgba(217, 179, 108, .1);
            transition: border-color .3s ease;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            border-color: rgba(217, 179, 108, .42);
            box-shadow: 0 24px 60px rgba(0, 0, 0, .3);
        }

        .num {
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 700;
            line-height: 1;
            background: linear-gradient(135deg, #E6C88C, #9C7A3A);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 18px;
            display: block;
        }

        .feature-card h3 {
            font-size: 21px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .feature-card p {
            color: var(--text-mid);
            font-size: 15px;
            line-height: 1.75;
        }

        @media (max-width: 980px) {
            .numbered-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 620px) {
            .numbered-grid {
                grid-template-columns: 1fr;
            }
        }

        /* flow split */
        .flow-section {
            background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-panel) 50%, var(--bg-deep) 100%);
        }

        .split-grid {
            display: grid;
            grid-template-columns: .95fr 1.05fr;
            gap: 70px;
            align-items: center;
        }

        .flow-media {
            position: relative;
            border-radius: 26px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, .09);
            box-shadow: var(--shadow-card);
        }

        .flow-media img {
            width: 100%;
            aspect-ratio: 4 / 4.2;
            object-fit: cover;
        }

        .flow-media .media-caption {
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 18px;
            padding: 16px 18px;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, .1);
            background: rgba(10, 13, 18, .72);
            backdrop-filter: blur(14px);
            color: var(--text-mid);
            font-size: 13px;
        }

        .flow-media .media-caption strong {
            display: block;
            color: var(--text-hi);
            font-size: 16px;
            margin-bottom: 4px;
        }

        .flow-intro {
            margin-bottom: 34px;
        }

        .flow-intro h2 {
            font-size: 30px;
            font-weight: 800;
            margin-top: 10px;
            line-height: 1.3;
        }

        .flow-intro p {
            color: var(--text-mid);
            margin-top: 12px;
            line-height: 1.8;
        }

        .flow-steps {
            display: flex;
            flex-direction: column;
        }

        .flow-step {
            display: grid;
            grid-template-columns: 56px 1fr;
            gap: 20px;
            padding: 18px 0;
            position: relative;
        }

        .flow-step:not(:last-child)::after {
            content: "";
            position: absolute;
            left: 27px;
            top: 58px;
            bottom: -6px;
            width: 1px;
            background: linear-gradient(180deg, rgba(217, 179, 108, .5), rgba(217, 179, 108, .05));
        }

        .step-icon {
            width: 56px;
            height: 56px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(217, 179, 108, .1);
            border: 1px solid rgba(217, 179, 108, .3);
            color: var(--gold);
            font-family: var(--font-num);
            font-weight: 700;
            z-index: 1;
        }

        .step-content h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            padding-top: 4px;
        }

        .step-content p {
            color: var(--text-mid);
            font-size: 15px;
            line-height: 1.75;
        }

        @media (max-width: 960px) {
            .split-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        /* security grid */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 48px;
        }

        .security-item {
            background: rgba(255, 255, 255, .025);
            border: 1px solid rgba(255, 255, 255, .07);
            border-radius: 20px;
            padding: 28px;
            transition: border-color .2s ease, transform .2s ease;
        }

        .security-item:hover {
            border-color: rgba(217, 179, 108, .3);
            transform: translateY(-4px);
        }

        .security-item .icon-wrap {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(217, 179, 108, .12);
            border: 1px solid rgba(217, 179, 108, .2);
            margin-bottom: 20px;
        }

        .security-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .security-item p {
            color: var(--text-mid);
            font-size: 14px;
            line-height: 1.7;
        }

        @media (max-width: 1020px) {
            .security-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 560px) {
            .security-grid {
                grid-template-columns: 1fr;
            }

            .security-item {
                padding: 22px;
            }
        }

        /* access compare */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 48px;
        }

        .compare-card {
            border-radius: 24px;
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, .08);
            padding: 34px;
            position: relative;
            transition: border-color .22s ease, transform .22s ease;
        }

        .compare-card:hover {
            border-color: rgba(217, 179, 108, .35);
            transform: translateY(-4px);
        }

        .compare-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: .1em;
            padding: 6px 12px;
            border-radius: 999px;
            background: rgba(217, 179, 108, .1);
            border: 1px solid rgba(217, 179, 108, .26);
            color: var(--gold-light);
            margin-bottom: 22px;
        }

        .compare-card h3 {
            font-size: 22px;
            margin-bottom: 14px;
            font-weight: 800;
        }

        .compare-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .compare-card li {
            display: flex;
            gap: 10px;
            color: var(--text-mid);
            font-size: 15px;
        }

        .compare-card li::before {
            content: "";
            flex: 0 0 auto;
            width: 18px;
            height: 18px;
            margin-top: 4px;
            border-radius: 50%;
            background: rgba(217, 179, 108, .18);
            border: 1px solid rgba(217, 179, 108, .42);
            box-shadow: inset 0 0 0 4px var(--bg-panel);
        }

        @media (max-width: 800px) {
            .compare-grid {
                grid-template-columns: 1fr;
            }
        }

        /* faq */
        .faq-layout {
            max-width: 860px;
            margin: 0 auto;
            margin-top: 44px;
        }

        .faq-item {
            border: 1px solid rgba(255, 255, 255, .09);
            background: var(--bg-panel);
            border-radius: 18px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color .2s ease, background .2s ease;
        }

        .faq-item[open] {
            border-color: rgba(217, 179, 108, .34);
            background: #171D28;
        }

        .faq-item summary {
            cursor: pointer;
            list-style: none;
            padding: 22px 26px;
            font-weight: 600;
            font-size: 17px;
            color: var(--text-hi);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "+";
            font-size: 24px;
            font-weight: 400;
            color: var(--gold);
            line-height: 1;
            transition: transform .22s ease;
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-item .answer {
            padding: 0 26px 24px;
            color: var(--text-mid);
            font-size: 15px;
            line-height: 1.8;
        }

        /* CTA */
        .cta-banner {
            position: relative;
            overflow: hidden;
            padding: 92px 0;
            background:
                radial-gradient(ellipse at 50% -20%, rgba(217, 179, 108, .3), transparent 50%),
                linear-gradient(135deg, #10141D, #0A0D12);
            border-top: 1px solid rgba(217, 179, 108, .18);
            border-bottom: 1px solid rgba(217, 179, 108, .18);
            text-align: center;
        }

        .cta-banner .container {
            position: relative;
            z-index: 2;
            max-width: 840px;
        }

        .cta-banner h2 {
            font-size: clamp(28px, 5vw, 46px);
            font-weight: 900;
            letter-spacing: -.02em;
            line-height: 1.2;
            margin-bottom: 18px;
        }

        .cta-banner p {
            color: var(--text-mid);
            font-size: 17px;
            line-height: 1.8;
            max-width: 680px;
            margin: 0 auto 32px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        .cta-actions .btn-ghost {
            margin: 0;
        }

        @media (max-width: 560px) {
            .cta-banner {
                padding: 68px 0;
            }

            .cta-actions .btn-primary,
            .cta-actions .btn-ghost {
                width: 100%;
                margin: 0;
            }
        }

        /* Footer */
        .footer {
            background: #0A0D12;
            border-top: 1px solid rgba(217, 179, 108, .12);
            position: relative;
        }

        .footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(217, 179, 108, .5), transparent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 44px;
            padding: 68px 0 48px;
        }

        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-logo .logo-text {
            font-size: 18px;
        }

        .footer-brand p {
            color: var(--text-low);
            max-width: 320px;
            font-size: 14px;
            line-height: 1.75;
        }

        .footer-col h4 {
            color: var(--text-hi);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .footer-col a {
            display: block;
            color: var(--text-mid);
            font-size: 14px;
            line-height: 2.1;
            transition: color .18s ease, transform .18s ease;
        }

        .footer-col a:hover {
            color: var(--gold-light);
        }

        .footer-col p {
            color: var(--text-low);
            font-size: 14px;
            line-height: 2;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .07);
            padding: 20px 0;
        }

        .footer-bottom-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            color: var(--text-low);
            font-size: 13px;
        }

        .footer-disclaimer {
            color: rgba(255, 255, 255, .4);
            font-size: 12px;
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
                padding: 54px 0 36px;
            }
        }

        @media (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }

            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

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

        @media (max-width: 480px) {
            .container {
                width: calc(100% - 28px);
            }
        }

/* roulang page: article */
:root {
  --bg-deep: #0C0E12;
  --bg-panel: #141922;
  --bg-raised: #1A202C;
  --line-gold: rgba(217, 179, 108, 0.32);
  --line-soft: rgba(255, 255, 255, 0.08);
  --gold: #D9B36C;
  --gold-light: #F0D99B;
  --cyan: #2DE1C2;
  --text-hi: #F1F3F8;
  --text-mid: #A7AFBB;
  --text-low: #68717F;
  --r-md: 10px;
  --r-lg: 18px;
  --r-xl: 28px;
  --shadow-card: 0 18px 40px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 100px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  background: var(--bg-deep);
  color: var(--text-hi);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

button,
input {
  font-family: inherit;
  font-size: 1rem;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

/* ---------- 顶部 Dock 导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  pointer-events: none;
}

.dock {
  pointer-events: auto;
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 1220px;
  height: 68px;
  border-radius: 999px;
  background: rgba(13, 16, 23, 0.78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--line-gold);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.18);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px 0 14px;
  transition: height 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
  z-index: 65;
}

.site-header.scrolled .dock {
  height: 58px;
  background: rgba(10, 13, 18, 0.92);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.32);
}

.dock-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 14px;
  background: linear-gradient(135deg, #B8914C, #E6C88C);
  color: #21180C;
  font-weight: 900;
  font-size: 15px;
  letter-spacing: 0.5px;
  box-shadow: 0 6px 18px rgba(217, 179, 108, 0.15);
}

.logo-text {
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--text-hi);
  white-space: nowrap;
}

.dock-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.dock-links a {
  position: relative;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-mid);
  padding: 10px 0;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.dock-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 0;
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  transition: width 0.2s ease;
}

.dock-links a:hover {
  color: var(--gold-light);
}

.dock-links a:hover::after,
.dock-links a.active::after {
  width: 100%;
}

.dock-links a.active {
  color: var(--gold-light);
}

.dock-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.dock-divider {
  width: 1px;
  height: 28px;
  background: rgba(255, 255, 255, 0.12);
}

.btn-dock {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, #B8914C, #E6C88C);
  color: #21180C;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.btn-dock:hover {
  filter: brightness(1.05);
  box-shadow: 0 0 0 1px var(--gold), 0 8px 30px rgba(217, 179, 108, 0.25);
  transform: translateY(-2px);
}

.btn-dock:active {
  transform: translateY(0);
}

.menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.menu-btn span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 99px;
  background: var(--text-hi);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-btn.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-btn.open span:nth-child(2) {
  opacity: 0;
}

.menu-btn.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 移动端导航面板 */
.mobile-menu {
  display: none;
  position: fixed;
  top: 86px;
  left: 16px;
  right: 16px;
  z-index: 59;
  background: rgba(14, 17, 23, 0.96);
  border: 1px solid var(--line-gold);
  border-radius: var(--r-lg);
  padding: 12px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow-card);
}

.mobile-menu.open {
  display: block;
}

.mobile-menu a {
  display: block;
  height: 50px;
  line-height: 50px;
  padding: 0 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-mid);
  font-weight: 500;
  border-radius: 10px;
  transition: background 0.2s ease, color 0.2s ease;
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--gold-light);
  background: rgba(217, 179, 108, 0.08);
}

/* ---------- 容器/横幅 ---------- */
.article-banner {
  position: relative;
  padding: 152px 0 72px;
  background-image: linear-gradient(100deg, rgba(10, 12, 17, 0.94) 20%, rgba(13, 16, 22, 0.78) 50%, rgba(24, 19, 14, 0.5) 100%), url("/assets/images/backpic/back-2.png");
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.article-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.09) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.4;
  pointer-events: none;
}

.banner-inner {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-low);
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-mid);
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: var(--gold-light);
}

.breadcrumb span {
  color: var(--gold);
}

.breadcrumb i {
  font-style: normal;
  color: rgba(255, 255, 255, 0.25);
}

.lead-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(217, 179, 108, 0.1);
  border: 1px solid rgba(217, 179, 108, 0.25);
  color: var(--gold-light);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.4px;
  margin-bottom: 20px;
}

.lead-pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.article-title {
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-hi);
  margin: 0 0 22px;
  max-width: 900px;
}

.article-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 14px;
  color: var(--text-mid);
}

.meta-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(45, 225, 194, 0.1);
  border: 1px solid rgba(45, 225, 194, 0.2);
  color: var(--cyan);
  font-size: 13px;
  font-weight: 600;
}

.meta-line {
  width: 1px;
  height: 18px;
  background: rgba(255, 255, 255, 0.14);
}

.meta-item {
  color: var(--text-mid);
}

.meta-dot {
  color: var(--gold);
  font-size: 12px;
}

/* ---------- 正文阅读 ---------- */
.article-body-wrap {
  max-width: 940px;
  margin: -36px auto 0;
  position: relative;
  z-index: 4;
  padding: 0 24px;
}

.article-body {
  background: rgba(18, 22, 31, 0.88);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-card);
  padding: 52px 58px 60px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.article-body-content {
  max-width: 720px;
  margin: 0 auto;
  font-size: 17px;
  color: #CBD1D9;
  line-height: 1.9;
}

.article-body-content > *:first-child {
  margin-top: 0;
}

.article-body-content p {
  margin: 0 0 1.55em;
}

.article-body-content h2 {
  font-size: 29px;
  font-weight: 800;
  line-height: 1.4;
  margin: 1.8em 0 0.7em;
  padding-left: 18px;
  border-left: 4px solid var(--gold);
  color: var(--text-hi);
  letter-spacing: -0.02em;
}

.article-body-content h3 {
  font-size: 23px;
  font-weight: 700;
  margin: 1.5em 0 0.6em;
  color: var(--gold-light);
}

.article-body-content ul,
.article-body-content ol {
  margin: 0 0 1.6em;
  padding-left: 1.5em;
}

.article-body-content li {
  margin-bottom: 0.45em;
}

.article-body-content a {
  color: var(--gold-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body-content blockquote {
  margin: 2em 0;
  padding: 14px 22px;
  border-left: 3px solid var(--gold);
  background: rgba(217, 179, 108, 0.07);
  border-radius: 0 12px 12px 0;
  color: var(--text-mid);
}

.article-body-content img {
  border-radius: var(--r-lg);
  width: 100%;
  height: auto;
  margin: 1.6em 0;
}

.article-body-content figure {
  margin: 1.8em 0;
}

.article-body-content figcaption {
  text-align: center;
  color: var(--text-low);
  font-size: 14px;
  margin-top: 10px;
}

/* 正文尾部链接 */
.article-return {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  max-width: 720px;
  margin: 44px auto 0;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-primary,
.btn-ghost,
.btn-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  padding: 0 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #B8914C, #E6C88C);
  color: #21180C;
}

.btn-primary:hover {
  box-shadow: 0 0 0 1px var(--gold), 0 10px 30px rgba(217, 179, 108, 0.26);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  border: 1px solid var(--gold);
  color: var(--gold-light);
  background: transparent;
}

.btn-ghost:hover {
  background: rgba(217, 179, 108, 0.1);
  box-shadow: 0 0 0 1px rgba(217, 179, 108, 0.4);
  transform: translateY(-2px);
}

.btn-text {
  padding: 0 6px;
  background: transparent;
  color: var(--text-mid);
}

.btn-text:hover {
  color: var(--gold-light);
}

/* ---------- 无文章空状态 ---------- */
.notfound-wrap {
  section: 120px;
  padding: 170px 0 110px;
}

.notfound-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.notfound-graphic {
  width: 92px;
  height: 92px;
  margin: 0 auto 28px;
  border-radius: 30px;
  border: 1px solid rgba(217, 179, 108, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  background: rgba(217, 179, 108, 0.05);
}

.notfound-inner h1 {
  font-size: 30px;
  font-weight: 800;
  color: var(--text-hi);
  margin: 0 0 12px;
}

.notfound-inner p {
  color: var(--text-mid);
  margin: 0 0 28px;
  font-size: 16px;
}

.notfound-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 延伸浏览区 ---------- */
.related-section {
  padding: 96px 0 36px;
}

.heading-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}

.section-kicker {
  color: var(--gold);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  border-radius: 99px;
}

.section-title {
  font-size: clamp(25px, 3vw, 36px);
  font-weight: 800;
  line-height: 1.35;
  margin: 0;
  letter-spacing: -0.02em;
  color: var(--text-hi);
}

.heading-aside {
  color: var(--text-low);
  font-size: 14px;
  max-width: 400px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.rel-card {
  background: var(--bg-raised);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.16);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.rel-card:hover {
  transform: translateY(-5px);
  border-color: rgba(217, 179, 108, 0.5);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.3);
}

.rel-card-image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #10141D;
}

.rel-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.rel-card:hover .rel-card-image img {
  transform: scale(1.05);
}

.rel-card-body {
  padding: 24px 24px 26px;
}

.rel-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(217, 179, 108, 0.1);
  border: 1px solid rgba(217, 179, 108, 0.18);
  color: var(--gold-light);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 14px;
}

.rel-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-hi);
  margin: 0 0 10px;
}

.rel-card p {
  font-size: 14px;
  color: var(--text-mid);
  margin: 0 0 20px;
  min-height: 40px;
}

.rel-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gold);
  font-weight: 700;
  font-size: 14px;
}

.rel-link svg {
  transition: transform 0.2s ease;
}

.rel-link:hover svg {
  transform: translateX(4px);
}

/* ---------- CTA 横幅 ---------- */
.cta-band {
  margin-top: 72px;
  padding: 96px 24px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 20% 40%, rgba(217, 179, 108, 0.16), transparent 44%), radial-gradient(ellipse at 90% 80%, rgba(45, 225, 194, 0.07), transparent 40%), #10141D;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.cta-title {
  font-size: clamp(28px, 4.2vw, 44px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  color: var(--text-hi);
}

.cta-title em {
  font-style: normal;
  color: var(--gold-light);
}

.cta-sub {
  max-width: 680px;
  margin: 0 auto 32px;
  color: var(--text-mid);
  font-size: 16px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 页脚 ---------- */
.footer {
  background: #0A0D12;
  border-top: 1px solid rgba(217, 179, 108, 0.18);
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding: 72px 0 54px;
}

.footer-brand .footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-low);
  max-width: 320px;
  margin: 0;
  line-height: 1.8;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-hi);
  margin: 0 0 18px;
}

.footer-col a {
  display: block;
  color: var(--text-mid);
  font-size: 14px;
  padding: 5px 0;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-col a:hover {
  color: var(--gold-light);
  padding-left: 4px;
}

.footer-col p {
  color: var(--text-low);
  font-size: 14px;
  margin: 6px 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 24px 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--text-low);
  font-size: 13px;
}

.footer-disclaimer {
  color: rgba(104, 113, 127, 0.8);
  font-size: 12px;
}

/* ---------- Tab控件/通用标签 ---------- */
.pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 5px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--text-mid);
  font-size: 12px;
}

.pill-tag.gold {
  border-color: rgba(217, 179, 108, 0.4);
  color: var(--gold-light);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .dock-links {
    gap: 16px;
  }

  .logo-text {
    font-size: 16px;
  }
}

@media (max-width: 900px) {
  .dock-links {
    display: none;
  }

  .menu-btn {
    display: inline-flex;
  }

  .dock-divider {
    display: none;
  }

  .dock {
    max-width: calc(100% - 24px);
    height: 64px;
  }

  .article-banner {
    padding: 132px 0 60px;
  }

  .article-title {
    font-size: 34px;
  }

  .article-body {
    padding: 34px 30px 44px;
    border-radius: var(--r-lg);
  }

  .related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 28px;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 64px 0;
  }

  .dock {
    width: calc(100% - 16px);
    top: 10px;
    height: 60px;
    padding: 0 8px 0 10px;
  }

  .site-header.scrolled .dock {
    height: 56px;
  }

  .logo-mark {
    width: 36px;
    height: 36px;
    min-width: 36px;
    border-radius: 12px;
    font-size: 14px;
  }

  .logo-text {
    font-size: 15px;
  }

  .btn-dock {
    min-height: 38px;
    padding: 0 14px;
    font-size: 13px;
  }

  .menu-btn {
    width: 38px;
    height: 38px;
  }

  .article-banner {
    padding: 118px 0 56px;
  }

  .article-title {
    font-size: 27px;
    line-height: 1.4;
  }

  .article-body-wrap {
    padding: 0 12px;
  }

  .article-body {
    padding: 26px 20px 36px;
  }

  .article-body-content {
    font-size: 16px;
  }

  .article-body-content h2 {
    font-size: 23px;
  }

  .article-body-content h3 {
    font-size: 19px;
  }

  .article-return {
    margin-top: 30px;
  }

  .notfound-wrap {
    padding: 130px 0 80px;
  }

  .notfound-graphic {
    width: 78px;
    height: 78px;
    border-radius: 24px;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .heading-row {
    margin-bottom: 30px;
  }

  .cta-band {
    padding: 72px 20px;
    margin-top: 48px;
  }

  .cta-actions .btn-primary,
  .cta-actions .btn-ghost {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 56px 0 42px;
  }

  .footer-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* roulang page: category3 */
:root {
    --bg-deep: #0C0E12;
    --bg-panel: #141922;
    --bg-raised: #1A202C;
    --line-gold: rgba(217, 179, 108, .32);
    --line-soft: rgba(255, 255, 255, .08);
    --gold: #D9B36C;
    --gold-light: #F0D99B;
    --cyan: #2DE1C2;
    --text-hi: #F1F3F8;
    --text-mid: #A7AFBB;
    --text-low: #68717F;
    --r-md: 10px;
    --r-lg: 18px;
    --r-xl: 28px;
    --shadow-card: 0 18px 40px rgba(0, 0, 0, .35);
    --font-main: system-ui, -apple-system, "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  }

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

  html,
  body {
    scroll-behavior: smooth;
  }

  html {
    scroll-padding-top: 120px;
  }

  body {
    margin: 0;
    background: var(--bg-deep);
    color: var(--text-hi);
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

  body.menu-open {
    overflow: hidden;
  }

  h1,
  h2,
  h3,
  h4,
  p {
    margin: 0;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  ul {
    margin: 0;
    padding: 0;
    list-style: none;
  }

  button,
  input,
  summary {
    font-family: inherit;
    font-size: 100%;
  }

  img {
    display: block;
    max-width: 100%;
    height: auto;
  }

  .container {
    width: min(1200px, calc(100% - 56px)) !important;
    max-width: none !important;
    margin-inline: auto !important;
    position: relative;
  }

  @media (max-width: 640px) {
    .container {
      width: calc(100% - 32px) !important;
    }
  }

  .section {
    padding: 96px 0;
  }

  .section-sm {
    padding: 56px 0;
  }

  .section-deep {
    background: linear-gradient(180deg, #0F141C 0%, var(--bg-deep) 100%);
  }

  .section-light {
    background: #F4F1EA;
    color: #20242E;
  }

  .section-light h2,
  .section-light h3 {
    color: #131720;
  }

  .section-light .section-lead {
    color: #59606e;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gold);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
  }

  .eyebrow::before {
    content: "";
    width: 18px;
    height: 1px;
    background: currentColor;
    opacity: .7;
  }

  .section-head h2,
  .section-title {
    margin-top: 12px;
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.2;
    font-weight: 900;
    letter-spacing: -0.01em;
    color: var(--text-hi);
  }

  .section-light .section-title {
    color: #151823;
  }

  .section-lead {
    margin-top: 16px;
    max-width: 720px;
    color: var(--text-mid);
    font-size: 16px;
  }

  .section-light .section-lead {
    color: #5C6370;
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: .01ms !important;
      transition-duration: .01ms !important;
      scroll-behavior: auto !important;
    }
  }

  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 14px 0 0;
    pointer-events: none;
  }

  .dock {
    pointer-events: auto;
    width: calc(100% - 32px);
    max-width: 1220px;
    margin: 0 auto;
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 0 16px 0 24px;
    border-radius: 999px;
    background: rgba(13, 16, 23, .8);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(217, 179, 108, .28);
    box-shadow: 0 12px 30px rgba(0, 0, 0, .28);
    transition: min-height .22s ease, box-shadow .22s ease;
  }

  body.scrolled .dock {
    min-height: 58px;
    box-shadow: 0 16px 34px rgba(0, 0, 0, .42);
  }

  .dock-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
  }

  .logo-mark {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: linear-gradient(135deg, #B8914C, #F0D99B);
    color: #1A1206;
    font-weight: 900;
    font-size: 15px;
    letter-spacing: .04em;
    font-family: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .22);
  }

  .logo-text {
    color: var(--text-hi);
    font-size: 18px;
    font-weight: 800;
    letter-spacing: .02em;
    white-space: nowrap;
  }

  .dock-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin: 0 auto;
  }

  .dock-links a {
    padding: 8px 15px;
    border-radius: 999px;
    color: var(--text-mid);
    font-weight: 500;
    font-size: 15px;
    white-space: nowrap;
    transition: color .18s ease, background .18s ease;
  }

  .dock-links a:hover {
    color: var(--gold-light);
    background: rgba(217, 179, 108, .08);
  }

  .dock-links a.active {
    color: var(--gold-light);
    background: rgba(217, 179, 108, .12);
  }

  .dock-actions {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .dock-divider {
    width: 1px;
    height: 24px;
    background: rgba(255, 255, 255, .14);
  }

  .btn-dock {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 132px;
    height: 42px;
    padding: 0 20px;
    border-radius: 999px;
    background: linear-gradient(135deg, #B8914C, #E6C88C);
    color: #21180C;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: .02em;
    white-space: nowrap;
    transition: box-shadow .18s, transform .18s, filter .18s;
  }

  .btn-dock:hover {
    filter: brightness(1.06);
    box-shadow: 0 0 0 1px rgba(217, 179, 108, .25), 0 8px 28px rgba(217, 179, 108, .2);
    transform: translateY(-1px);
  }

  .btn-dock:active {
    transform: translateY(1px);
  }

  .menu-btn {
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--text-hi);
    cursor: pointer;
    align-items: center;
    justify-content: center;
  }

  .menu-btn span {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: currentColor;
    margin: 3px auto;
    transition: opacity .18s, transform .18s;
  }

  .mobile-panel {
    display: none;
    position: fixed;
    top: 90px;
    left: 16px;
    right: 16px;
    z-index: 99;
    padding: 14px;
    border-radius: 24px;
    background: rgba(14, 17, 23, .96);
    border: 1px solid rgba(217, 179, 108, .28);
    box-shadow: 0 24px 50px rgba(0, 0, 0, .5);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
  }

  .mobile-panel.open {
    display: block;
  }

  .mobile-panel a {
    display: block;
    padding: 14px 16px;
    border-radius: 14px;
    color: var(--text-hi);
    font-weight: 600;
    transition: background .15s, color .15s;
  }

  .mobile-panel a:hover,
  .mobile-panel a.active {
    background: rgba(217, 179, 108, .12);
    color: var(--gold-light);
  }

  @media (max-width: 980px) {
    .dock-links,
    .dock-divider {
      display: none;
    }

    .menu-btn {
      display: flex;
    }
  }

  @media (max-width: 560px) {
    .btn-dock {
      display: none;
    }

    .dock {
      padding-left: 14px;
    }
  }

  .page-hero {
    position: relative;
    min-height: 620px;
    padding: 190px 0 80px;
    display: flex;
    align-items: center;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    overflow: hidden;
  }

  .page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
      radial-gradient(rgba(217, 179, 108, .12) 1px, transparent 1px);
    background-size: 26px 26px;
    opacity: .8;
  }

  .page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(12, 14, 18, .96) 0%, rgba(12, 14, 18, .78) 44%, rgba(12, 14, 18, .38) 100%);
  }

  .page-hero-inner {
    position: relative;
    z-index: 2;
  }

  .breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-mid);
    font-size: 14px;
    margin-bottom: 30px;
  }

  .breadcrumb a {
    color: var(--text-mid);
    transition: color .15s;
  }

  .breadcrumb a:hover {
    color: var(--gold-light);
  }

  .breadcrumb span {
    display: inline-flex;
    align-items: center;
    opacity: .66;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px;
    border-radius: 999px;
    border: 1px solid rgba(217, 179, 108, .3);
    background: rgba(217, 179, 108, .1);
    color: var(--gold-light);
    font-size: 13px;
    font-weight: 600;
  }

  .hero-badge i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold);
  }

  .page-hero h1 {
    max-width: 900px;
    margin: 22px 0 20px;
    font-size: clamp(40px, 6.2vw, 68px);
    line-height: 1.1;
    font-weight: 900;
    letter-spacing: -0.02em;
    color: #fff;
    text-wrap: pretty;
  }

  .page-hero h1 .gold-lite {
    color: var(--gold-light);
  }

  .hero-lead {
    max-width: 680px;
    font-size: clamp(17px, 2vw, 20px);
    line-height: 1.9;
    color: rgba(255, 255, 255, .8);
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    margin-top: 32px;
  }

  .btn-primary,
  .btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 28px;
    border-radius: 999px;
    font-weight: 800;
    font-size: 15px;
    transition: transform .18s, box-shadow .18s, background .18s, border-color .18s;
  }

  .btn-primary {
    background: linear-gradient(135deg, #B8914C, #E6C88C);
    border: 1px solid transparent;
    color: #21180C;
  }

  .btn-primary:hover {
    filter: brightness(1.06);
    box-shadow: 0 0 0 1px rgba(217, 179, 108, .25), 0 10px 32px rgba(217, 179, 108, .24);
    transform: translateY(-2px);
  }

  .btn-primary:active,
  .btn-ghost:active {
    transform: translateY(1px);
  }

  .btn-ghost {
    background: rgba(217, 179, 108, .04);
    border: 1px solid rgba(217, 179, 108, .6);
    color: var(--gold-light);
  }

  .btn-ghost:hover {
    background: rgba(217, 179, 108, .12);
    border-color: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 26px rgba(217, 179, 108, .14);
  }

  .hero-meta {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 48px;
    max-width: 820px;
  }

  .hero-meta div {
    padding: 16px 18px;
    border-radius: 14px;
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .08);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
  }

  .hero-meta small {
    display: block;
    color: var(--text-low);
    font-size: 12px;
    letter-spacing: .06em;
    margin-bottom: 4px;
  }

  .hero-meta strong {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, .86);
    font-weight: 600;
  }

  @media (max-width: 640px) {
    .page-hero {
      min-height: 560px;
      padding: 150px 0 50px;
    }

    .hero-meta {
      grid-template-columns: 1fr;
      margin-top: 30px;
    }
  }

  .type-card {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 300px;
    padding: 28px;
    border-radius: var(--r-lg);
    background: linear-gradient(180deg, rgba(255, 255, 255, .065), rgba(255, 255, 255, .02));
    border: 1px solid rgba(255, 255, 255, .09);
    box-shadow: var(--shadow-card);
    transition: transform .2s, border-color .2s, box-shadow .2s;
    overflow: hidden;
  }

  .type-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(217, 179, 108, .8), transparent);
    opacity: .5;
    transition: opacity .2s;
  }

  .type-card:hover {
    transform: translateY(-5px);
    border-color: rgba(217, 179, 108, .4);
    box-shadow: 0 22px 48px rgba(0, 0, 0, .5);
  }

  .type-card:hover::before {
    opacity: 1;
  }

  .type-num {
    position: absolute;
    right: 24px;
    top: 18px;
    font-family: "DIN Alternate", "Bahnschrift", sans-serif;
    font-size: 44px;
    font-weight: 800;
    color: rgba(255, 255, 255, .05);
    line-height: 1;
  }

  .type-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    margin-bottom: 24px;
    border-radius: 16px;
    background: rgba(217, 179, 108, .12);
    color: var(--gold);
  }

  .type-icon svg {
    width: 24px;
    height: 24px;
  }

  .type-card h3 {
    font-size: 21px;
    font-weight: 800;
    color: var(--text-hi);
    margin-bottom: 10px;
  }

  .type-card p {
    color: var(--text-mid);
    font-size: 15px;
    line-height: 1.8;
  }

  .type-tag {
    align-self: flex-start;
    margin-top: 22px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 999px;
    border: 1px solid rgba(217, 179, 108, .28);
    color: var(--gold-light);
    font-size: 12px;
    background: rgba(217, 179, 108, .06);
  }

  @media (max-width: 640px) {
    .type-card {
      min-height: 0;
    }
  }

  .process-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-top: 40px;
  }

  .process-step {
    position: relative;
    height: 100%;
    padding: 30px 24px 28px;
    border-radius: var(--r-lg);
    background: var(--bg-panel);
    border: 1px solid var(--line-soft);
    transition: transform .2s, border-color .2s;
  }

  .process-step:hover {
    border-color: rgba(217, 179, 108, .35);
    transform: translateY(-4px);
  }

  .step-index {
    display: block;
    font-family: "DIN Alternate", "Bahnschrift", sans-serif;
    font-size: 46px;
    line-height: 1;
    font-weight: 800;
    color: var(--gold);
    opacity: .9;
    margin-bottom: 22px;
  }

  .process-step h3 {
    font-size: 18px;
    font-weight: 800;
    color: var(--text-hi);
    margin-bottom: 10px;
  }

  .process-step p {
    color: var(--text-mid);
    font-size: 14px;
    line-height: 1.85;
  }

  @media (max-width: 980px) {
    .process-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 540px) {
    .process-grid {
      grid-template-columns: 1fr;
    }
  }

  .feature-grid {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 70px;
    align-items: center;
  }

  .feature-media {
    position: relative;
  }

  .feature-media::before {
    content: "";
    position: absolute;
    inset: -20px 20px 20px -20px;
    border: 1px solid rgba(217, 179, 108, .25);
    border-radius: 32px;
    pointer-events: none;
  }

  .feature-media img {
    position: relative;
    width: 100%;
    border-radius: var(--r-xl);
    border: 1px solid rgba(255, 255, 255, .14);
    box-shadow: 0 30px 60px rgba(0, 0, 0, .42);
    aspect-ratio: 5 / 4;
    object-fit: cover;
  }

  .feature-content .section-title {
    margin-top: 12px;
  }

  .check-list {
    margin-top: 24px;
    display: grid;
    gap: 14px;
  }

  .check-list li {
    position: relative;
    padding-left: 38px;
    color: var(--text-mid);
    font-size: 16px;
    line-height: 1.8;
  }

  .check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 7px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(217, 179, 108, .14);
  }

  .check-list li::after {
    content: "";
    position: absolute;
    left: 6px;
    top: 13px;
    width: 10px;
    height: 6px;
    border-left: 2px solid var(--gold);
    border-bottom: 2px solid var(--gold);
    transform: rotate(-45deg);
  }

  .feature-note {
    margin-top: 26px;
    padding: 18px 22px;
    border-radius: var(--r-md);
    border: 1px solid rgba(217, 179, 108, .24);
    background: rgba(217, 179, 108, .06);
    color: rgba(255, 255, 255, .82);
    font-size: 15px;
    line-height: 1.85;
  }

  @media (max-width: 980px) {
    .feature-grid {
      grid-template-columns: 1fr;
      gap: 50px;
    }
  }

  .metric-band {
    position: relative;
    background: #F4F1EA;
    padding: 70px 0;
    color: #20242E;
  }

  .metric-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .metric-item {
    position: relative;
    padding: 28px 22px;
    border-radius: 18px;
    background: #ffffff;
    border: 1px solid rgba(20, 25, 34, .1);
    box-shadow: 0 12px 24px rgba(0, 0, 0, .05);
  }

  .metric-item::after {
    content: "";
    position: absolute;
    left: 22px;
    top: 0;
    width: 42px;
    height: 3px;
    border-radius: 0 0 6px 6px;
    background: #B8914C;
  }

  .metric-item h3 {
    font-size: 20px;
    font-weight: 900;
    color: #151823;
    margin-bottom: 10px;
  }

  .metric-item p {
    font-size: 14px;
    line-height: 1.8;
    color: #5C6370;
  }

  @media (max-width: 980px) {
    .metric-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 560px) {
    .metric-grid {
      grid-template-columns: 1fr;
    }
  }

  .faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 44px;
  }

  .faq-item {
    border-radius: var(--r-lg);
    border: 1px solid rgba(255, 255, 255, .09);
    background: rgba(255, 255, 255, .025);
    overflow: hidden;
    transition: border-color .2s, background .2s;
  }

  .faq-item:hover,
  .faq-item[open] {
    border-color: rgba(217, 179, 108, .36);
    background: rgba(255, 255, 255, .035);
  }

  .faq-item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 22px 24px;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-hi);
    line-height: 1.5;
    user-select: none;
  }

  .faq-item summary::-webkit-details-marker {
    display: none;
  }

  .faq-item summary::before {
    content: "Q";
    flex: 0 0 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(217, 179, 108, .15);
    color: var(--gold);
    font-size: 13px;
    font-weight: 800;
  }

  .faq-item summary::after {
    content: "+";
    margin-left: auto;
    font-size: 22px;
    color: var(--gold);
    transition: transform .18s;
  }

  .faq-item[open] summary::after {
    transform: rotate(45deg);
  }

  .faq-item p {
    padding: 0 24px 24px 74px;
    color: var(--text-mid);
    font-size: 15px;
    line-height: 1.85;
  }

  @media (max-width: 760px) {
    .faq-grid {
      grid-template-columns: 1fr;
    }
  }

  .faq-support {
    margin-top: 26px;
    padding: 22px 26px;
    border-radius: var(--r-lg);
    border: 1px dashed rgba(217, 179, 108, .4);
    color: var(--text-mid);
    line-height: 1.8;
    font-size: 15px;
  }

  .faq-support strong {
    color: var(--gold-light);
    font-weight: 700;
  }

  .cta-section {
    position: relative;
    border-top: 1px solid rgba(255, 255, 255, .05);
    text-align: center;
    background: linear-gradient(120deg, #131823 0%, #0C0E12 55%, #18140b 100%);
    overflow: hidden;
  }

  .cta-section::before {
    content: "";
    position: absolute;
    width: 680px;
    height: 680px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(217, 179, 108, .2), transparent 64%);
    pointer-events: none;
  }

  .cta-inner {
    position: relative;
    z-index: 2;
    max-width: 840px;
    margin-inline: auto;
  }

  .cta-inner h2 {
    margin-top: 16px;
    font-size: clamp(28px, 4.6vw, 46px);
    font-weight: 900;
    line-height: 1.25;
    color: #fff;
  }

  .cta-inner p {
    margin: 18px auto 0;
    max-width: 660px;
    color: rgba(255, 255, 255, .7);
    font-size: 16px;
  }

  .cta-inner .hero-actions {
    justify-content: center;
  }

  .footer {
    background: #0A0D12;
    padding: 72px 0 0;
    position: relative;
  }

  .footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(217, 179, 108, .4), transparent);
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 52px;
  }

  .footer-brand .footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
  }

  .footer-brand p {
    margin-top: 18px;
    max-width: 320px;
    color: var(--text-mid);
    font-size: 14px;
    line-height: 1.9;
  }

  .footer-col h4 {
    font-size: 15px;
    font-weight: 800;
    color: var(--text-hi);
    margin-bottom: 18px;
    letter-spacing: .04em;
  }

  .footer-col a {
    display: block;
    color: var(--text-mid);
    font-size: 14px;
    margin-bottom: 12px;
    transition: color .15s;
  }

  .footer-col a:hover {
    color: var(--gold-light);
  }

  .footer-col p {
    color: var(--text-mid);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 8px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .06);
    padding: 20px 0;
  }

  .footer-bottom-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    color: var(--text-low);
    font-size: 13px;
  }

  .footer-disclaimer {
    color: rgba(255, 255, 255, .32);
    font-size: 12px;
  }

  @media (max-width: 980px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 560px) {
    .footer-grid {
      grid-template-columns: 1fr;
    }

    .footer-bottom-inner {
      flex-direction: column;
      text-align: center;
    }
  }

/* roulang page: category2 */
/* ===== Design Tokens ===== */
        :root {
            --bg-deep: #0C0E12;
            --bg-panel: #141922;
            --bg-raised: #1A202C;
            --line-gold: rgba(217, 179, 108, .32);
            --line-soft: rgba(255, 255, 255, .08);
            --gold: #D9B36C;
            --gold-light: #F0D99B;
            --cyan: #2DE1C2;
            --text-hi: #F1F3F8;
            --text-mid: #A7AFBB;
            --text-low: #68717F;
            --r-md: 10px;
            --r-lg: 18px;
            --r-xl: 28px;
            --shadow-card: 0 18px 40px rgba(0, 0, 0, .35);
            --font-sans: system-ui, -apple-system, "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
        }

        /* ===== Base / Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-padding-top: 100px;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-deep);
            color: var(--text-hi);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, border-color .2s ease, background-color .2s ease, opacity .2s ease, transform .2s ease;
        }

        button {
            background: none;
            border: none;
            color: inherit;
            font-family: inherit;
            cursor: pointer;
        }

        input,
        textarea {
            font-family: inherit;
        }

        /* 键盘焦点样式 */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

        ::selection {
            background: rgba(217, 179, 108, .3);
            color: #fff;
        }

        /* ===== Layout ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 96px 0;
        }

        .section-sm {
            padding: 56px 0;
        }

        .text-gold {
            color: var(--gold);
        }

        .text-gold-light {
            color: var(--gold-light);
        }

        .text-mid {
            color: var(--text-mid);
        }

        .text-low {
            color: var(--text-low);
        }

        /* ===== Header Dock ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: 96px;
            pointer-events: none;
        }

        .dock {
            pointer-events: auto;
            position: absolute;
            top: 14px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: 1220px;
            height: 68px;
            border-radius: 999px;
            background: rgba(13, 16, 23, .78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(217, 179, 108, .28);
            display: flex;
            align-items: center;
            padding: 0 12px 0 20px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, .35);
            transition: height .2s ease, box-shadow .2s ease, background-color .2s ease;
        }

        .site-header.scrolled .dock {
            height: 58px;
            background: rgba(13, 16, 23, .92);
            box-shadow: 0 12px 35px rgba(0, 0, 0, .5);
        }

        .dock-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #B8914C, #E6C88C);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 16px;
            color: #21180C;
            letter-spacing: -.5px;
            font-family: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: -.2px;
            color: var(--text-hi);
            white-space: nowrap;
        }

        .dock-links {
            display: flex;
            align-items: center;
            gap: 32px;
            margin: 0 auto;
        }

        .dock-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-mid);
            position: relative;
            padding: 6px 2px;
            white-space: nowrap;
            transition: color .2s ease;
        }

        .dock-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--gold), var(--gold-light));
            border-radius: 2px;
            transition: width .25s ease;
        }

        .dock-links a:hover {
            color: var(--text-hi);
        }

        .dock-links a:hover::after {
            width: 100%;
        }

        .dock-links a.active {
            color: var(--gold-light);
        }

        .dock-links a.active::after {
            width: 100%;
            background: linear-gradient(90deg, var(--gold), var(--gold-light));
        }

        .dock-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .dock-divider {
            width: 1px;
            height: 24px;
            background: rgba(255, 255, 255, .15);
        }

        .btn-dock {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 18px;
            background: linear-gradient(135deg, #B8914C, #E6C88C);
            color: #21180C;
            font-size: 14px;
            font-weight: 600;
            border-radius: 999px;
            white-space: nowrap;
            transition: all .2s ease;
            box-shadow: 0 2px 12px rgba(217, 179, 108, .2);
        }

        .btn-dock:hover {
            background: linear-gradient(135deg, #c9a35c, #f5e0aa);
            transform: translateY(-2px);
            box-shadow: 0 0 0 1px var(--gold), 0 8px 30px rgba(217, 179, 108, .25);
        }

        .btn-dock:active {
            transform: translateY(0);
        }

        /* 汉堡按钮 */
        .menu-btn {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            padding: 0 10px;
            border-radius: 12px;
            border: 1px solid var(--line-soft);
            background: rgba(255, 255, 255, .04);
            transition: all .2s ease;
        }

        .menu-btn:hover {
            background: rgba(255, 255, 255, .08);
        }

        .menu-btn span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--text-hi);
            border-radius: 2px;
            transition: all .3s ease;
        }

        .menu-btn.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .menu-btn.open span:nth-child(2) {
            opacity: 0;
        }

        .menu-btn.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* 移动端下拉菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 90px;
            left: 16px;
            right: 16px;
            z-index: 99;
            background: rgba(13, 16, 23, .97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(217, 179, 108, .25);
            border-radius: 24px;
            padding: 24px;
            box-shadow: 0 25px 60px rgba(0, 0, 0, .6);
            opacity: 0;
            transform: translateY(-16px);
            pointer-events: none;
            transition: opacity .25s ease, transform .25s ease;
        }

        .mobile-menu.open {
            display: block;
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }

        .mobile-menu a {
            display: block;
            padding: 14px 12px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-hi);
            border-radius: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, .05);
            transition: background-color .2s ease;
        }

        .mobile-menu a:hover {
            background: rgba(217, 179, 108, .08);
        }

        .mobile-menu a.active {
            color: var(--gold-light);
            background: rgba(217, 179, 108, .06);
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 30px;
            background: linear-gradient(135deg, #B8914C, #E6C88C);
            color: #21180C;
            font-size: 15px;
            font-weight: 600;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: all .2s ease;
            box-shadow: 0 4px 18px rgba(217, 179, 108, .18);
            min-height: 48px;
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #c9a35c, #f5e0aa);
            transform: translateY(-2px);
            box-shadow: 0 0 0 1px var(--gold), 0 8px 30px rgba(217, 179, 108, .25);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 30px;
            background: transparent;
            border: 1px solid var(--gold);
            color: var(--gold-light);
            font-size: 15px;
            font-weight: 500;
            border-radius: 999px;
            cursor: pointer;
            transition: all .2s ease;
            min-height: 48px;
        }

        .btn-ghost:hover {
            background: rgba(217, 179, 108, .08);
            border-color: var(--gold-light);
            box-shadow: 0 0 20px rgba(217, 179, 108, .15);
            transform: translateY(-2px);
        }

        .btn-ghost:active {
            transform: translateY(0);
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-mid);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 4px;
            border-bottom: 1px solid transparent;
            transition: all .2s ease;
        }

        .btn-text:hover {
            color: var(--gold-light);
            border-color: var(--gold);
        }

        .btn-dock,
        .btn-primary,
        .btn-ghost {
            font-family: var(--font-sans);
        }

        /* ===== Hero Home ===== */
        .home-hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
        }

        /* ===== 外部类扩展区 ===== */
        .hero-title {
            font-size: 52px;
            line-height: 1.12;
            font-weight: 800;
            letter-spacing: -1px;
            color: var(--text-hi);
        }

        .hero-title .gold-text {
            background: linear-gradient(120deg, var(--gold-light), var(--gold), var(--gold-light));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 34px;
            }
        }

        /* 指南标题 */
        .h1-title {
            font-size: 48px;
            line-height: 1.15;
            font-weight: 800;
            letter-spacing: -1px;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-low);
            padding-top: 120px;
            margin-bottom: 24px;
        }

        .breadcrumb a {
            color: var(--text-mid);
            transition: color .2s ease;
        }

        .breadcrumb a:hover {
            color: var(--gold-light);
        }

        .breadcrumb sep {
            color: rgba(255, 255, 255, .3);
            margin: 0 4px;
        }

        /* ===== 卡片通用 ===== */
        .g-card {
            background: #161b26;
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 18px;
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
        }

        .g-card-hover:hover {
            transform: translateY(-4px);
            border-color: var(--line-gold);
            box-shadow: 0 22px 50px rgba(0, 0, 0, .45), 0 0 0 1px rgba(217, 179, 108, .12);
        }

        /* ===== FAQ ===== */
        .faq-item {
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 14px;
            background: #12161f;
            overflow: hidden;
            transition: all .3s ease;
            margin-bottom: 14px;
        }

        .faq-item.open {
            border-color: var(--line-gold);
            background: #171c28;
        }

        .faq-question {
            padding: 24px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 17px;
            font-weight: 500;
            color: var(--text-hi);
            user-select: none;
            gap: 20px;
        }

        .faq-question .icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            border: 1px solid var(--line-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform .3s ease, background-color .3s ease;
            font-size: 14px;
            color: var(--gold);
        }

        .faq-item.open .faq-question .icon {
            transform: rotate(45deg);
            background: rgba(217, 179, 108, .15);
        }

        .faq-answer {
            max-height: 0;
            padding: 0 28px;
            overflow: hidden;
            transition: max-height .4s ease, padding .3s ease;
            font-size: 15px;
            color: var(--text-mid);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding-bottom: 24px;
        }

        /* ===== 编号列表 ===== */
        .num-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            position: relative;
        }

        .num-item .num {
            font-family: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
            font-size: 42px;
            font-weight: 700;
            color: rgba(217, 179, 108, .45);
            line-height: 1;
            flex-shrink: 0;
            width: 70px;
            text-align: left;
        }

        /* ===== 信息条 ===== */
        .info-marquee {
            border-top: 1px solid rgba(255, 255, 255, .06);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
            padding: 18px 0;
            overflow: hidden;
        }

        .info-track {
            display: flex;
            align-items: center;
            gap: 50px;
            white-space: nowrap;
            animation: marquee 40s linear infinite;
            width: max-content;
        }

        .info-track span {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            letter-spacing: 2px;
            color: var(--text-mid);
        }

        .info-track span::before {
            content: '';
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--gold);
            flex-shrink: 0;
        }

        @keyframes marquee {
            from {
                transform: translateX(0);
            }
            to {
                transform: translateX(-50%);
            }
        }

        @media (prefers-reduced-motion: reduce) {
            .info-track {
                animation: none;
                flex-wrap: wrap;
                gap: 20px;
            }
            .dock,
            .menu-btn span,
            .btn-dock,
            .btn-primary,
            .btn-ghost,
            .g-card,
            .faq-question .icon {
                transition: none;
            }
        }

        /* ===== 双列特性 ===== */
        .feature-row {
            display: flex;
            gap: 72px;
            align-items: center;
            padding: 48px 0;
        }

        .feature-media {
            flex: 1 1 48%;
            position: relative;
            border-radius: var(--r-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
        }

        .feature-text {
            flex: 1 1 48%;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--gold);
            margin-bottom: 20px;
        }

        .eyebrow-line {
            content: '';
            width: 40px;
            height: 1px;
            background: var(--gold);
        }

        .title-h2 {
            font-size: 34px;
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: -.5px;
            margin-bottom: 20px;
        }

        .desc-lead {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-mid);
        }

        /* ===== 步骤轴 ===== */
        .step-rail {
            position: relative;
            padding: 12px 0;

        }
        .step-rail::before {
            content: '';
            position: absolute;
            top: 30px;
            bottom: 30px;
            left: 21px;
            width: 2px;
            background: linear-gradient(180deg, rgba(217,179,108,.5), rgba(217,179,108,.08));
        }
        .step-item {
            display: flex;
            gap: 24px;
            padding-bottom: 40px;
            position: relative;
        }
        .step-dot {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--bg-raised);
            border: 1px solid var(--line-gold);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--gold-light);
            font-size: 15px;
            flex-shrink: 0;
            z-index: 1;
        }
        .step-body h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-hi);
        }
        .step-body p {
            color: var(--text-mid);
            font-size: 15px;
            line-height: 1.7;
        }

        /* 对照表 */
        .cmp-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 15px;
        }
        .cmp-table th {
            text-align: left;
            padding: 16px 20px;
            background: rgba(217,179,108,.06);
            color: var(--gold-light);
            font-weight: 600;
            border-bottom: 1px solid var(--line-gold);
        }
        .cmp-table td {
            padding: 16px 20px;
            border-bottom: 1px solid rgba(255,255,255,.06);
            color: var(--text-mid);
        }
        .cmp-table tr td:first-child {
            color: var(--text-hi);
            font-weight: 500;
        }
        .cmp-table tr:hover td {
            background: rgba(255,255,255,.02);
        }

        /* ===== 相关链接/栅格 ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        /* ===== Footer ===== */
        .footer {
            background-color: #0A0D12;
            position: relative;
        }
        .footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(217,179,108,.5), transparent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding: 64px 0 48px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-logo .logo-mark {
            width: 36px;
            height: 36px;
            font-size: 14px;
            border-radius: 10px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-low);
            line-height: 1.8;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 20px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-mid);
            margin-bottom: 12px;
            transition: color .2s ease;
        }
        .footer-col a:hover {
            color: var(--gold-light);
        }
        .footer-col p {
            font-size: 14px;
            color: var(--text-low);
            margin-bottom: 12px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.06);
            padding: 24px 0;
        }
        .footer-bottom-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-low);
        }
        .footer-disclaimer {
            font-size: 12px;
            color: rgba(255,255,255,.2);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .section {
                padding: 72px 0;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .feature-row {
                flex-direction: column;
                gap: 32px;
                padding: 32px 0;
            }
            .h1-title {
                font-size: 36px;
            }
            .title-h2 {
                font-size: 28px;
            }
        }

        @media (max-width: 768px) {
            .dock-links {
                display: none;
            }
            .dock-divider {
                display: none;
            }
            .btn-dock {
                padding: 8px 14px;
                font-size: 13px;
            }
            .menu-btn {
                display: flex;
            }
            .dock {
                padding: 0 8px 0 14px;
            }
            .logo-text {
                font-size: 16px;
            }
            .grid-3,
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 48px 0 32px;
            }
            .h1-title {
                font-size: 30px;
            }
            .breadcrumb {
                padding-top: 90px;
            }
            .home-hero {
                min-height: auto;
                padding: 120px 0 80px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section {
                padding: 48px 0;
            }
            .btn-primary {
                font-size: 14px;
                padding: 12px 20px;
            }
            .hero-title {
                font-size: 28px;
            }
        }

        /* Tailwind 组件区 */
        .card-hover-lift {
            transition: all .3s ease;
        }
        .card-hover-lift:hover {
            transform: translateY(-4px);
            border-color: var(--line-gold) !important;
            box-shadow: 0 18px 40px rgba(0,0,0,.4);
        }

        .pill-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            background: rgba(217,179,108,.12);
            border: 1px solid rgba(217,179,108,.25);
            border-radius: 999px;
            font-size: 12px;
            color: var(--gold-light);
            letter-spacing: .3px;
        }

        .bg-gold-soft {
            background: rgba(217, 179, 108, .05);
        }

        .text-gold-grad {
            background: linear-gradient(135deg, #B8914C, #E6C88C);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .border-gold-line {
            border-color: var(--line-gold) !important;
        }

        .hero-visual-card {
            position: relative;
        }
        .hero-visual-card::after {
            content: '';
            position: absolute;
            inset: -1px;
            border-radius: inherit;
            padding: 1px;
            background: linear-gradient(135deg, rgba(217,179,108,.5), transparent 40%, transparent 60%, rgba(217,179,108,.2));
            -webkit-mask: linear-gradient(fff 0 0) content-box, linear-gradient(fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }