/* roulang page: index */
:root{
  --primary:#D4A853;
  --primary-soft:rgba(212,168,83,.14);
  --primary-line:rgba(212,168,83,.25);
  --green:#4FB08D;
  --red:#E2725B;
  --bg:#0C1220;
  --bg-2:#0F1729;
  --panel:#131C31;
  --panel-hover:#1B2740;
  --panel-deep:#202E4D;
  --text:#EAF0F6;
  --muted:#94A3B8;
  --weak:#64748B;
  --paper:#F7F5F0;
  --paper-text:#16202B;
  --paper-muted:#4B5563;
  --radius:10px;
  --radius-sm:6px;
  --shadow:0 2px 10px rgba(0,0,0,.28);
  --shadow-lift:0 8px 26px rgba(212,168,83,.12);
  --ease:cubic-bezier(.25,.1,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;
  line-height:1.75;
  letter-spacing:.01em;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .28s var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid rgba(212,168,83,.9);outline-offset:2px;border-radius:4px}
.container{
  width:min(1200px,100% - 48px);
  margin-inline:auto;
}
section{scroll-margin-top:80px}
::selection{background:rgba(212,168,83,.24);color:#fff}

/* ---------- Buttons, tags, media ---------- */
.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 28px;
  border-radius:999px;
  border:1px solid transparent;
  font-weight:600;
  letter-spacing:.04em;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease);
}
.btn-gold{
  background:var(--primary);
  color:#0B0E14;
  box-shadow:0 10px 24px rgba(212,168,83,.18);
}
.btn-gold:hover{
  background:#E3BC6C;
  transform:translateY(-1px);
  box-shadow:0 14px 34px rgba(212,168,83,.24);
}
.btn-gold .arrow{transition:transform .3s var(--ease)}
.btn-gold:hover .arrow{transform:translateX(4px)}
.btn-ghost{
  background:transparent;
  color:var(--primary);
  border-color:rgba(212,168,83,.42);
}
.btn-ghost:hover{
  background:var(--primary-soft);
  border-color:var(--primary);
}
.btn-block{width:100%}
.tag{
  display:inline-flex;
  align-items:center;
  min-height:24px;
  padding:2px 12px;
  border-radius:var(--radius-sm);
  font-size:12px;
  line-height:1;
  background:rgba(212,168,83,.12);
  color:var(--primary);
  border:1px solid rgba(212,168,83,.2);
  font-weight:500;
  letter-spacing:.04em;
}
.tag-light{
  background:rgba(212,168,83,.08);
  border-color:rgba(212,168,83,.25);
  color:#8A6530;
}
.cover-object{object-fit:cover;width:100%;height:100%}
.section-pad{padding-block:110px}
.section-tag{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--primary);
  margin-bottom:16px;
}
.section-tag::before{content:"";width:26px;height:1px;background:var(--primary)}
.section-title{
  font-size:clamp(28px,4vw,38px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--text);
}
.section-sub{
  color:var(--muted);
  font-size:16px;
  max-width:680px;
  margin-top:16px;
}
.section-head{margin-bottom:54px}
.paper .section-title{color:var(--paper-text)}
.paper .section-sub{color:var(--paper-muted)}
.paper .section-tag{color:#9C7126}

/* ---------- Header ---------- */
.site-header{
  position:fixed;
  z-index:120;
  top:0;
  left:0;
  right:0;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  background:rgba(12,18,32,.82);
  transition:border-color .3s var(--ease),background .3s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  border-bottom-color:rgba(212,168,83,.14);
  background:rgba(10,15,28,.92);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:30px;
  min-height:78px;
}
.brand{
  display:inline-flex;
  align-items:center;
  flex-shrink:0;
  gap:12px;
}
.brand-zh{
  font-size:26px;
  font-weight:700;
  letter-spacing:.06em;
  color:#fff;
  line-height:1;
}
.brand-zh b{color:var(--primary);font-weight:700}
.brand-divider{width:1px;height:18px;background:var(--brandline,rgba(212,168,83,.7))}
.brand-en{
  font-size:12px;
  font-weight:600;
  letter-spacing:.32em;
  color:#8A9BB2;
  text-transform:uppercase;
}
.nav-wrap{display:flex;align-items:center;gap:14px;flex:1;justify-content:flex-end}
.main-nav{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:30px;
}
.nav-item{
  position:relative;
  font-size:15px;
  color:#DEE6F0;
  padding:26px 0 22px;
  transition:color .3s var(--ease),opacity .3s var(--ease);
}
.nav-item::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:12px;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  transform:translateX(-50%) scaleX(0);
  transform-origin:center;
  transition:transform .3s var(--ease);
}
.nav-item:hover,.nav-item.active{color:var(--primary)}
.nav-item:hover::after,.nav-item.active::after{transform:translateX(-50%) scaleX(1)}
.nav-head-cta{margin-left:8px}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  background:transparent;
  border:1px solid rgba(212,168,83,.36);
  border-radius:10px;
  position:relative;
  z-index:140;
}
.nav-toggle span,.nav-toggle::before,.nav-toggle::after{
  content:"";
  position:absolute;
  left:10px;
  right:10px;
  height:1.6px;
  background:var(--primary);
  border-radius:2px;
  transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.nav-toggle span{top:20px}
.nav-toggle::before{top:12px}
.nav-toggle::after{bottom:12px}
.nav-toggle.open span{opacity:0}
.nav-toggle.open::before{transform:translateY(8px) rotate(45deg)}
.nav-toggle.open::after{transform:translateY(-8px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  display:flex;
  align-items:center;
  min-height:740px;
  padding:172px 0 102px;
  background:var(--bg);
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.16;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg,rgba(12,18,32,.98) 0%,rgba(12,18,32,.86) 50%,rgba(12,18,32,.52) 100%),
    radial-gradient(circle at 18% 20%,rgba(212,168,83,.09),transparent 42%);
}
.hero-content{position:relative;z-index:2;max-width:780px}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:12px;
  margin-bottom:22px;
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  letter-spacing:.18em;
}
.hero-eyebrow::before{
  content:"";
  width:30px;
  height:1px;
  background:var(--primary);
}
.hero-title{
  font-size:clamp(36px,6vw,58px);
  font-weight:700;
  line-height:1.16;
  letter-spacing:.02em;
  color:#fff;
}
.hero-title .title-sub{
  display:block;
  font-size:clamp(16px,1.6vw,21px);
  font-weight:500;
  color:#CBD7E6;
  margin-top:12px;
  letter-spacing:.06em;
}
.hero-lead{
  font-size:clamp(16px,1.8vw,19px);
  color:#DCE5F0;
  margin:26px 0 12px;
  font-weight:500;
}
.hero-desc{
  color:var(--muted);
  font-size:16px;
  max-width:660px;
  margin-bottom:36px;
}
.hero-ctas{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  margin-bottom:16px;
}
.hero-rule{
  margin-top:28px;
  height:1px;
  background:linear-gradient(90deg,rgba(212,168,83,.34),rgba(212,168,83,0));
  border:0;
}

/* Metric board */
.metric-wrap{
  position:relative;
  z-index:2;
  margin-top:58px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border-top:1px solid rgba(212,168,83,.18);
  border-bottom:1px solid rgba(212,168,83,.12);
}
.metric-card{
  position:relative;
  padding:26px 28px 24px;
  background:rgba(255,255,255,.025);
  border-right:1px solid rgba(212,168,83,.08);
}
.metric-card:last-child{border-right:0}
.metric-label{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
}
.metric-ico{
  width:16px;
  height:16px;
  color:var(--primary);
}
.metric-num{
  margin-top:12px;
  font-family:"DIN Alternate","Roboto Condensed","Bebas Neue",sans-serif;
  font-size:40px;
  line-height:1;
  letter-spacing:.04em;
  color:#fff;
  font-weight:700;
}
.metric-num small{font-size:19px;color:var(--primary);margin-left:3px;letter-spacing:.02em}
.metric-trend{
  margin-top:10px;
  font-size:12px;
  color:var(--muted);
  display:block;
}
.metric-trend.up{color:var(--green)}
.metric-trend.down{color:var(--red)}
.metric-trend b{font-weight:600}

/* ---------- Section common ---------- */
.surface-deep{background:var(--bg)}
.surface-deeper{background:var(--bg-2)}
.paper{background:var(--paper)}
.dark{background:var(--bg)}

/* ---------- Platform matrix ---------- */
.matrix-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px;
}
.matrix-wide{grid-column:span 7}
.matrix-side{
  grid-column:span 5;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.matrix-full{grid-column:span 12}
.panel-card{
  position:relative;
  overflow:hidden;
  background:var(--panel);
  border:1px solid rgba(255,255,255,.045);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:transform .32s var(--ease),border-color .3s var(--ease),box-shadow .32s var(--ease);
}
.panel-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  height:2px;
  width:60px;
  background:linear-gradient(90deg,var(--primary),rgba(212,168,83,0));
  opacity:.8;
  z-index:3;
}
.panel-card:hover{
  transform:translateY(-3px);
  border-color:rgba(212,168,83,.25);
  box-shadow:var(--shadow-lift);
  background:var(--panel-hover);
}
.matrix-feature-panel{padding:0}
.mf-inner{
  display:grid;
  grid-template-columns:1fr 86px;
  min-height:100%;
}
.mf-copy{
  padding:38px 0 36px 38px;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.mf-title{font-size:22px;font-weight:700;line-height:1.3;color:#fff}
.mf-features{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px 20px;
  margin-top:8px;
}
.mf-features li{
  display:flex;
  align-items:center;
  gap:8px;
  color:#C4CEDC;
  font-size:13px;
}
.mf-features li::before{
  content:"✓";
  color:var(--primary);
  font-weight:700;
}
.mf+p{margin:4px 0 0}
.mf-media{
  position:relative;
  min-height:260px;
}
.mf-media img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.mf-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(19,28,49,.3),rgba(19,28,49,0));
}
.matrix-mini{
  padding:26px 24px 22px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.mini-ico{
  width:40px;
  height:40px;
  border-radius:10px;
  background:var(--primary-soft);
  border:1px solid rgba(212,168,83,.2);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--primary);
  font-size:19px;
  transition:background .3s var(--ease),color .3s var(--ease);
}
.panel-card:hover .mini-ico{
  background:rgba(212,168,83,.18);
}
.mini-title{font-size:17px;font-weight:650;color:#F2F5F8;line-height:1.35}
.mini-copy{color:var(--muted);font-size:14px;flex:1}
.text-link{
  color:#8FA2B8;
  font-size:13px;
  font-weight:500;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.text-link:hover{
  color:var(--primary);
  transform:translateX(2px);
}
.matrix-full-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:32px 38px;
  flex-wrap:wrap;
}
.full-copy{flex:1 1 420px}
.full-copy h3{font-size:21px;color:#fff;font-weight:700}
.full-copy p{color:var(--muted);font-size:14px;margin-top:10px}
.full-checks{
  display:grid;
  grid-template-columns:repeat(4,auto);
  gap:14px 24px;
}
.full-checks li{
  color:#CBD8E8;
  font-size:13px;
  display:flex;
  align-items:center;
  gap:5px;
}
.full-checks li::before{
  content:"◆";
  color:var(--primary);
  font-size:9px;
}

/* ---------- Compare / evidence ---------- */
.emblem{display:block;margin-bottom:8px;color:#8B6832;font-weight:600}
.compare-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  gap:18px;
  align-items:stretch;
  margin-top:44px;
}
.compare-col{
  border-radius:var(--radius);
  padding:26px 28px 14px;
  border:1px solid transparent;
}
.compare-before{
  background:#FDEBE8;
  border-color:rgba(226,114,91,.18);
  color:var(--paper-text);
}
.compare-after{
  background:#E3F1EA;
  border-color:rgba(79,176,141,.18);
  color:var(--paper-text);
}
.compare-col-head{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:10px;
}
.compare-col-name{font-size:14px;font-weight:750}
.compare-col-pct{font-size:12px;color:var(--paper-muted)}
.metric-line{
  margin:18px 0;
}
.metric-line-top{
  display:flex;
  justify-content:space-between;
  font-size:13px;
  margin-bottom:8px;
}
.metric-name{color:#374151}
.metric-value{font-weight:700;color:#111827}
.compare-bar{
  height:7px;
  border-radius:8px;
  background:#E6E1DC;
  overflow:hidden;
}
.compare-bar > i{
  display:block;
  height:100%;
  border-radius:8px;
  background:#8F8F96;
  transition:width .6s var(--ease);
}
.compare-a .compare-bar > i{background:#AD9D9A}
.compare-b .compare-bar > i{background:#4FB08D}
.compare-lift{
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  align-self:center;
  background:var(--bg);
  border:1px solid rgba(212,168,83,.22);
  padding:25px 13px;
  border-radius:var(--radius);
  text-align:center;
  min-width:138px;
  gap:5px;
}
.compare-lift small{
  color:#8A9BB2;
  font-size:12px;
  line-height:1.5;
  letter-spacing:.12em;
}
.compare-lift strong{
  font-family:"DIN Alternate",sans-serif;
  font-size:32px;
  color:var(--primary);
  font-weight:700;
  letter-spacing:.03em;
}
.compare-lift em{font-style:normal;display:block;font-size:11px;color:#94A3B8;margin-top:2px}
.source-note{
  margin-top:22px;
  color:#6B7280;
  font-size:12px;
  letter-spacing:.02em;
  line-height:1.6;
  border-left:2px solid rgba(212,168,83,.26);
  padding-left:10px;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:760px;margin:0 auto}
.faq-soft-tags{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:12px;
  margin-bottom:28px;
}
.faq-list{border-top:1px solid rgba(234,240,246,.08)}
.faq-item{border-bottom:1px solid rgba(234,240,246,.08)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 4px 18px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:550;
  color:var(--text);
  transition:color .3s var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-q .icon-plus{
  flex-shrink:0;
  width:26px;
  height:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:25px;
  font-weight:200;
  color:var(--primary);
  transition:transform .35s var(--ease);
}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .32s var(--ease);
}
.faq-a-inner{overflow:hidden}
.faq-item.open .faq-a{
  grid-template-rows:1fr;
}
.faq-item.open .icon-plus{transform:rotate(45deg)}
.faq-a p{
  color:var(--muted);
  font-size:14px;
  line-height:1.85;
  padding:0 26px 22px 4px;
}

/* ---------- Consult ---------- */
.consult-card{
  background:var(--panel);
  border:1px solid rgba(255,255,255,.05);
  box-shadow:var(--shadow);
  border-radius:calc(var(--radius) + 2px);
  display:grid;
  grid-template-columns:1.12fr .88fr;
  overflow:hidden;
  transition:box-shadow .3s var(--ease);
}
.consult-left{padding:42px 44px 38px}
.consult-right{
  padding:42px 38px;
  background:linear-gradient(180deg,#101A2F,#0C1729);
  border-left:1px solid rgba(255,255,255,.04);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:16px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field.full{grid-column:span 2}
.form-field label{font-size:13px;color:#A7B3C5}
.form-field input,.form-field select,.form-field textarea{
  width:100%;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  border-radius:8px;
  padding:11px 14px;
  color:#EDF2F7;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
}
.form-field textarea{min-height:86px;resize:vertical}
.form-field input::placeholder,.form-field textarea::placeholder{color:#6C7B91}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(255,255,255,.09);
  box-shadow:0 0 0 3px rgba(212,168,83,.16);
}
.form-field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23D4A853' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.form-field select option{background:#131C31;color:#EAF0F6}
.form-actions{margin-top:18px}
.btn-submit[disabled]{opacity:.5;cursor:not-allowed}
.send-success{
  display:none;
  background:rgba(79,176,141,.13);
  border:1px solid rgba(79,176,141,.3);
  color:#7FD8B6;
  border-radius:999px;
  padding:12px 18px;
  text-align:center;
}
.send-success.show{display:flex;align-items:center;justify-content:center;gap:7px}
.privacy-line{font-size:12px;color:#64748B;margin-top:12px}
.contact-item{display:flex;gap:12px;align-items:flex-start;padding:11px 0}
.contact-ico{
  width:30px;height:30px;
  flex-shrink:0;
  border-radius:7px;
  background:rgba(212,168,83,.12);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
}
.contact-item strong{display:block;font-size:14px;color:#D7E0EB;font-weight:600}
.contact-item span{font-size:13px;color:var(--muted)}
.consult-note{
  margin-top:18px;
  padding:16px;
  background:rgba(212,168,83,.07);
  border:1px dashed rgba(212,168,83,.24);
  border-radius:var(--radius-sm);
  color:#AEB9CB;
  font-size:13px;
  line-height:1.8;
}
.consult-note b{color:var(--primary);font-weight:600}

/* ---------- News area ---------- */
.news-panel{padding:110px 0}
.news-head{
  display:flex;
  justify-content:space-between;
  gap:24px;
  align-items:flex-end;
  margin-bottom:44px;
  flex-wrap:wrap;
}
.news-head-left .section-title{color:var(--paper-text)}
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.news-card{
  display:flex;
  flex-direction:column;
  background:#FFF;
  border:1px solid #E9E4DA;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:0 4px 14px rgba(22,32,43,.05);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.news-card:hover{
  transform:translateY(-5px);
  box-shadow:0 15px 34px rgba(22,32,43,.09);
  border-color:rgba(212,168,83,.5);
}
.news-media{
  position:relative;
  aspect-ratio:16/7;
  background:#E4E0D8;
  overflow:hidden;
}
.news-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transform:scale(1);
  transition:transform .42s var(--ease);
}
.news-card:hover .news-media img{transform:scale(1.03)}
.news-body{padding:21px 21px 19px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.news-meta .date{color:#94A3B8;font-size:13px}
.news-title{font-size:17px;line-height:1.4;font-weight:750;color:#152031;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.news-card:hover .news-title{color:#9C7126}
.news-excerpt{
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  color:#5B6675;
  font-size:14px;
  margin-top:10px;
  line-height:1.7;
}
.news-foot{margin-top:18px;padding-top:9px;border-top:1px solid #ECE8DF;display:flex;justify-content:space-between;align-items:center}
.news-more{
  font-size:13px;
  color:#7D611F;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:4px;
  transition:gap .25s var(--ease);
}
.news-more:hover{gap:8px}
.news-empty{
  background:#FDFCF9;
  border:1px dashed rgba(212,168,83,.4);
  border-radius:13px;
  padding:66px 20px;
  text-align:center;
  color:#6D5E46;
}
.news-empty-icon{
  font-size:34px;
  margin:0 auto 12px;
}
.news-empty p{font-size:16px;color:#8A7A60}
.news-cta-link{font-weight:600}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--bg);
  border-top:1px solid rgba(212,168,83,.18);
  padding:76px 0 36px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:50px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.footer-brand .brand-zh{font-size:25px}
.footer-desc{color:#8798AD;font-size:14px;margin-top:15px;max-width:260px;line-height:1.8}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#FFF;
  margin-bottom:20px;
  letter-spacing:.08em;
}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{
  color:#8FA2B8;
  font-size:14px;
  transition:color .28s var(--ease),padding-left .28s var(--ease);
}
.footer-col ul li a:hover{color:var(--primary);padding-left:3px}
.footer-contact{color:#8798AD;font-size:14px;display:flex;gap:8px;align-items:baseline}
.footer-contact span{color:var(--primary)}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding-top:30px;
  font-size:12px;
  color:#64748B;
}
.footer-bottom .copyright a{color:#8496AB}
.footer-bottom .meta-icp{display:flex;gap:24px}
.legal-notice{
  background:rgba(255,255,255,.018);
  border-radius:9px;
  margin-top:34px;
  padding:14px 16px;
  color:#7C8CA2;
  font-size:12px;
  border:1px solid rgba(255,255,255,.04);
}

/* ---------- Responsive ---------- */
@media (max-width:1120px){
  .matrix-wide{grid-column:span 12}
  .matrix-side{grid-column:span 12;grid-template-columns:1fr 1fr}
  .mf-inner{grid-template-columns:1fr 260px}
  .full-checks{grid-template-columns:repeat(2,auto)}
}
@media (max-width:992px){
  .nav-toggle{display:block}
  .main-nav{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    width:min(390px,88vw);
    background:#10182B;
    box-shadow:-18px 0 40px rgba(0,0,0,.28);
    flex-direction:column;
    align-items:flex-start;
    justify-content:flex-start;
    gap:6px;
    padding:104px 32px 40px;
    transform:translateX(103%);
    transition:transform .38s var(--ease);
    z-index:130;
    overflow-y:auto;
    border-left:1px solid rgba(212,168,83,.1);
  }
  .main-nav.open{transform:translateX(0)}
  .nav-item{
    padding:12px 0;
    width:100%;
    font-size:17px;
    border-bottom:1px solid rgba(255,255,255,.05);
  }
  .nav-item::after{display:none}
  .nav-head-cta{margin:18px 0 0;width:100%}
  .nav-head-cta .btn{width:100%}
  .section-pad{padding-block:84px}
}
@media (max-width:1023px){
  .section-tag{letter-spacing:.14em}
  .metric-wrap{grid-template-columns:1fr 1fr}
  .metric-card:nth-child(3){border-top:1px solid rgba(212,168,83,.14)}
  .metric-card:nth-child(4){border-top:1px solid rgba(212,168,83,.14);border-right:0}
  .metric-card:nth-child(2){border-right:0}
}
@media (max-width:900px){
  .compare-grid{grid-template-columns:1fr;gap:20px}
  .compare-lift{
    order:-1;
    flex-direction:row;
    width:auto;
    min-width:inherit;
    padding:10px 22px;
    justify-content:flex-start;
  }
  .compare-lift small{font-size:12px}
  .consult-card{grid-template-columns:1fr}
  .consult-right{border-left:0;border-top:1px solid rgba(255,255,255,.05)}
}
@media (max-width:700px){
  .container{width:calc(100% - 32px)}
  body{font-size:14px}
  .section-pad{padding-block:68px}
  .hero{padding:122px 0 72px;min-height:auto}
  .hero-title{font-size:32px}
  .section-title{font-size:27px}
  .metric-wrap{grid-template-columns:1fr 1fr}
  .metric-card{padding:17px 12px}
  .metric-num{font-size:30px;margin-top:8px}
  .hero-ctas .btn{width:100%}
  .hero-ctas{gap:12px}
  .matrix-side{grid-template-columns:1fr}
  .mf-inner{grid-template-columns:1fr}
  .mf-media{min-height:190px;order:2;border-top:1px solid rgba(255,255,255,.05)}
  .mf-media img{position:relative;min-height:190px}
  .mf-copy{padding:30px 24px;gap:14px}
  .matrix-full-card{padding:28px 20px}
  .full-checks{width:100%;grid-template-columns:1fr 1fr;gap:10px}
  .form-grid{grid-template-columns:1fr}
  .form-field.full{grid-column:span 1}
  .consult-left,.consult-right{padding:32px 22px}
  .footer-grid{grid-template-columns:1fr;gap:38px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .f-center{text-align:center}
}
@media (max-width:520px){
  .metric-num{font-size:26px}
  .metric-num small{font-size:15px}
  .news-grid{grid-template-columns:1fr}
  .brand-en{display:none}
  .brand-divider{display:none}
  .compare-col{padding:20px 12px 8px}
  .compare-col-pct{font-size:11px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation:none!important;
    transition:none!important;
  }
  html{scroll-behavior:auto}
}

/* roulang page: article */
/* ========== 设计变量 ========== */
:root {
  --primary: #D4A853;
  --primary-2: #E2BD72;
  --success: #4FB08D;
  --danger: #E2725B;
  --bg-dark-1: #0C1220;
  --bg-dark-2: #0F1729;
  --panel-1: #131C31;
  --panel-2: #1B2740;
  --panel-3: #202E4D;
  --text-light: #EAF0F6;
  --text-text: #D8DEE9;
  --text-muted: #94A3B8;
  --text-weak: #64748B;
  --line-soft: rgba(212,168,83,0.12);
  --line-mid: rgba(212,168,83,0.18);
  --line-strong: rgba(212,168,83,0.3);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 2px 10px rgba(0,0,0,0.28);
  --shadow-hover: 0 8px 26px rgba(212,168,83,0.12);
  --transition: cubic-bezier(0.25, 0.1, 0.2, 1);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  --font-num: "DIN Alternate", "Bebas Neue", "Roboto Condensed", sans-serif;
}

/* ========== Reset / Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-sans); font-size: 15px; line-height: 1.7; background: var(--bg-dark-1); color: var(--text-light); overflow-x: hidden; }
a { color: inherit; text-decoration: none; transition: color .25s var(--transition), background-color .25s var(--transition), border-color .25s var(--transition); }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }

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

::selection { background: rgba(212,168,83,.3); color: #fff; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 2px; }

/* ========== 通用按钮 ========== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: 999px; border: 1px solid transparent; font-size: 15px; font-weight: 600; cursor: pointer; transition: all .3s var(--transition); letter-spacing: .02em; line-height: 1.4; }
.btn .arrow { display: inline-block; transition: transform .3s var(--transition); }
.btn:hover .arrow { transform: translateX(4px); }
.btn-gold { background: var(--primary); color: #0B0E14; }
.btn-gold:hover { filter: brightness(1.08); box-shadow: 0 4px 20px rgba(212,168,83,.3); color: #0B0E14; }
.btn-ghost { background: transparent; border-color: rgba(212,168,83,.5); color: var(--primary); }
.btn-ghost:hover { background: rgba(212,168,83,.08); border-color: var(--primary); }
.btn-sm { padding: 8px 20px; font-size: 14px; }

/* ========== 标签 / 徽章 ========== */
.badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(212,168,83,.12); color: var(--primary); border: 1px solid rgba(212,168,83,.25); padding: 4px 14px; border-radius: 999px; font-size: 12px; font-weight: 600; letter-spacing: .04em; }
.badge-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-chip { display: inline-flex; padding: 7px 18px; border-radius: 999px; background: rgba(255,255,255,.06); color: var(--text-text); font-size: 13px; white-space: nowrap; transition: all .25s var(--transition); border: 1px solid transparent; }
.tag-chip:hover { border-color: rgba(212,168,83,.4); color: var(--primary); }

/* ========== Header 导航 ========== */
.site-header { position: sticky; top: 0; z-index: 1000; background: transparent; transition: background .3s ease, box-shadow .3s ease; }
.site-header.is-scrolled { background: rgba(12,18,32,.9); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid rgba(212,168,83,.12); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: 10px; transition: color .3s; }
.brand:hover { color: var(--primary-2); }
.brand-zh { font-size: 22px; font-weight: 750; letter-spacing: .02em; line-height: 1; }
.brand-zh b { color: var(--primary); font-weight: inherit; }
.brand-divider { width: 1px; height: 16px; background: var(--primary); opacity: .7; display: inline-block; }
.brand-en { font-size: 14px; font-weight: 600; letter-spacing: .24em; text-transform: uppercase; opacity: .65; }
.nav-wrap { display: flex; align-items: center; }
.main-nav { display: flex; align-items: center; gap: 24px; }
.main-nav .nav-item { font-size: 15px; color: rgba(234,240,246,.72); position: relative; padding: 6px 0; font-weight: 500; }
.main-nav .nav-item::after { content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px; background: var(--primary); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--transition); border-radius: 999px; }
.main-nav .nav-item:hover { color: var(--text-light); }
.main-nav .nav-item:hover::after { transform: scaleX(1); }
.main-nav .nav-item.active { color: var(--primary); font-weight: 600; }
.main-nav .nav-item.active::after { transform: scaleX(1); }
.nav-head-cta { display: flex; align-items: center; margin-left: 10px; }
.nav-head-cta .btn { padding: 9px 24px; font-size: 14px; }
.nav-toggle { display: none; width: 42px; height: 42px; border: 1.5px solid rgba(234,240,246,.35); background: transparent; border-radius: 8px; cursor: pointer; position: relative; transition: border-color .3s; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { content: ''; position: absolute; width: 18px; height: 2px; background: var(--text-light); top: 50%; left: 50%; margin-left: -9px; transition: transform .3s; border-radius: 2px; }
.nav-toggle span::before { transform: translateY(-6px); }
.nav-toggle span::after { transform: translateY(6px); }
.nav-toggle.is-open span { background: transparent; }
.nav-toggle.is-open span::before { transform: rotate(45deg); }
.nav-toggle.is-open span::after { transform: rotate(-45deg); }

/* 移动端抽屉 */
@media (max-width: 1100px) {
  .main-nav { position: fixed; top: 0; right: -380px; width: 320px; height: 100vh; background: #10182B; flex-direction: column; align-items: flex-start; padding: 80px 36px 40px; gap: 8px; transition: right .4s var(--transition); z-index: 1500; box-shadow: -12px 0 40px rgba(0,0,0,.4); }
  .main-nav.is-open { right: 0; }
  .main-nav .nav-item { width: 100%; font-size: 18px; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.06); }
  .main-nav .nav-head-cta { width: 100%; margin: 20px 0 0; }
  .main-nav .nav-head-cta .btn { width: 100%; justify-content: center; }
  .nav-toggle { display: block; }
  .nav-backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.45); opacity: 0; transition: opacity .4s; z-index: 1400; }
  .nav-backdrop.show { opacity: 1; pointer-events: auto; }
}
.nav-backdrop { display: none; }

/* ========== 面包屑 ========== */
.article-breadcrumb { background: rgba(255,255,255,.015); border-bottom: 1px solid rgba(255,255,255,.04); padding: 14px 0; }
.breadcrumb-list { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted); }
.breadcrumb-list a:hover { color: var(--primary); }
.breadcrumb-sep { opacity: .45; margin: 0 2px; font-size: 11px; }
.breadcrumb-current { color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 320px; }

/* ========== 文章页头 ========== */
.article-header-area { padding: 64px 0 16px; background: linear-gradient(135deg, rgba(19,28,49,.9) 0%, rgba(12,18,32,.8) 100%); background: radial-gradient(ellipse at 12% -10%, rgba(212,168,83,.12) 0%, transparent 40%); }
.article-header-title h1 { font-size: 38px; font-weight: 700; line-height: 1.3; letter-spacing: .01em; margin-bottom: 18px; color: var(--text-light); max-width: 800px; }
.article-header-title .article-excerpt { font-size: 16px; line-height: 1.8; color: var(--text-muted); max-width: 840px; margin-bottom: 6px; }
.article-meta-line { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 22px; padding: 16px 0; border-top: 1px solid rgba(255,255,255,.04); border-bottom: 1px solid rgba(255,255,255,.04); color: var(--text-weak); font-size: 14px; list-style: none; }
.article-meta-line li { display: flex; align-items: center; gap: 6px; }
.article-meta-line .meta-label { color: var(--text-weak); }
.article-meta-line .meta-cat-link { color: var(--primary); border-bottom: 1px solid transparent; transition: border-color .25s; }
.article-meta-line .meta-cat-link:hover { border-color: rgba(212,168,83,.4); }
.article-meta-line .meta-view { color: var(--text-muted); }
.article-meta-line .meta-time { color: var(--text-muted); }
.meta-icon { font-size: 14px; opacity: .7;    display: inline-flex; align-items: center; }

/* ========== 正文排版 ========== */
.article-body-area { padding: 44px 0; background: var(--bg-dark-1); }
.article-column { display: flex; gap: 48px; align-items: flex-start; }
.article-main { flex: 1 1 auto; min-width: 0; }
.article-main-inner { background: #0E1626; border: 1px solid rgba(255,255,255,.03); border-radius: 14px; padding: 48px 56px; }
.article-body { font-size: 16px; line-height: 1.95; color: var(--text-text); word-break: break-word; }
.article-body h2, .article-body h3 { color: var(--text-light); margin: 1.6em 0 .6em; line-height: 1.5; }
.article-body h2 { font-size: 25px; font-weight: 650;    letter-spacing: .02em; padding-left: 14px; border-left: 4px solid var(--primary); border-radius: 2px; }
.article-body h3 { font-size: 20px; font-weight: 600; }
.article-body h4 { font-size: 17px; font-weight: 600; color: #F2F5F2; margin: 1.5em 0 .5em; }
.article-body p { margin-bottom: 1.4em; }
.article-body blockquote { border-left: 3px solid var(--primary); background: rgba(212,168,83,.06); padding: 16px 22px; border-radius: 0 6px 6px 0; margin: 1.6em 0; color: var(--text-muted); font-style: normal; }
.article-body ul, .article-body ol { margin: 1.2em 0 1.4em; padding-left: 1.6em; display: grid; gap: .55em; }
.article-body ul li::marker { color: var(--primary); }
.article-body ol li::marker { color: var(--primary); font-weight: 700; }
.article-body strong { color: var(--text-light); font-weight: 650; }
.article-body a { color: var(--primary); border-bottom: 1px dashed rgba(212,168,83,.35); padding-bottom: 1px; }
.article-body a:hover { border-bottom-style: solid; }
.article-body img, .article-body figure img { border-radius: 10px; margin: 1.6em 0; border: 1px solid rgba(255,255,255,.04); box-shadow: 0 8px 30px rgba(0,0,0,.35); }
.article-body table { width: 100%; border-collapse: collapse; margin: 1.8em 0; font-size: 14px; }
.article-body table th { background: rgba(212,168,83,.1); color: var(--primary-2); text-align: left; padding: 12px 14px; border: 1px solid rgba(255,255,255,.07); font-weight: 600; }
.article-body table td { padding: 11px 14px; border: 1px solid rgba(255,255,255,.06); line-height: 1.7; }
.article-body table tr:nth-child(even) td { background: rgba(145,160,180,.03); }
.article-body video { width: 100%; border-radius: 10px; margin: 1.5em 0; }
.article-body figcaption { color: var(--text-weak); font-size: 13px; text-align: center; margin-top: -.8em; margin-bottom: 1.4em; }

/* 标签云 */
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 2.4em 0 0; padding-top: 22px; border-top: 1px solid rgba(212,168,83,.14); }
.article-tags .tag { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.07); color: var(--text-muted); width: auto; padding: 5px 15px; font-size: 13px; border-radius: 999px; }
.article-tags .tag:hover { background: rgba(212,168,83,.12); border-color: rgba(212,168,83,.3); color: var(--primary); }

/* 上下一篇 */
.article-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 44px; }
.pager-item { background: rgba(19,28,49,.6); border: 1px solid rgba(255,255,255,.035); padding: 16px 20px; border-radius: 12px; transition: all .3s var(--transition); position: relative; }
.pager-item:hover { border-color: rgba(212,168,83,.25); background: rgba(31,41,64,.7); }
.pager-item .pager-label { font-size: 13px; color: var(--text-weak); display: block; margin-bottom: 6px; }
.pager-item .pager-label:before { content: ''; }
.pager-item.next .pager-label { color: var(--text-weak); }
.pager-item .pager-title { font-size: 15px; font-weight: 600; color: var(--text-light); line-height: 1.5; display: block; transition: color .3s; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%; }
.pager-item:hover .pager-title { color: var(--primary); }
.pager-item.next { text-align: right; }

/* ========== 相关阅读 ========== */
.related-wrapper { background: #0F1729; padding: 70px 0; border-top: 1px solid rgba(255,255,255,.03); }
.section-head-row { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 32px; flex-wrap: wrap; gap: 14px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.rel-card { background: var(--panel-1); border: 1px solid rgba(255,255,255,.04); border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-card); transition: all .35s var(--transition); display: flex; flex-direction: column; }
.rel-card:hover { border-color: rgba(212,168,83,.25); transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.rel-card .rel-media { aspect-ratio: 16/7; overflow: hidden; }
.rel-card .rel-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.rel-card:hover .rel-media img { transform: scale(1.03); }
.rel-card-body { padding: 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.rel-card-body .rel-time { font-size: 13px; color: var(--text-weak); }
.rel-card-body h4 { font-size: 16px; font-weight: 600; line-height: 1.45; color: var(--text-light); transition: color .3s; }
.rel-card-body h4:hover { color: var(--primary); }

/* ========== 空态 ========== */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; background: rgba(19,28,49,.6); border-radius: 16px; padding: 70px 40px; border: 1px solid rgba(255,255,255,.04); text-align: center; }
.empty-state-icon { width: 52px; height: 52px; border-radius: 50%; background: rgba(212,168,83,.12); display: flex; align-items: center; justify-content: center; font-size: 24px; color: var(--primary); margin-bottom: 18px; }
.empty-state p { color: var(--text-muted); font-size: 15px; }
.empty-state .empty-action { margin-top: 20px; }

/* ========== 页脚 ========== */
.site-footer { background: var(--bg-dark-1); border-top: 1px solid rgba(212,168,83,.18); }
.site-footer .container { padding: 54px 24px 20px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr .8fr .8fr 1fr; gap: 46px; padding-bottom: 36px; }
.footer-brand { max-width: 260px; }
.footer-base { margin-top: 16px; font-size: 13px; color: var(--text-weak); line-height: 1.6; text-align: left; }
.footer-desc { margin-top: 24px; font-size: 13px; color: var(--text-muted); line-height: 1.8; margin-bottom: 0; letter-spacing: .02em; }
.footer-col { display: flex; flex-direction: column; }
.footer-col-ct { display: flex; gap: 16px; flex-direction: column; }
.footer-col h4 { font-size: 14px; font-weight: 600; color: #fff; letter-spacing: .06em; margin-bottom: 12px; }
.footer-col ul { list-style: none; display: grid; gap: 9px; }
.footer-col ul a { font-size: 14px; color: var(--text-muted); text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 6px; transition: color .25s, text-decoration-color .25s; display: inline-block; padding: 2px 0; }
.footer-col ul a:hover { color: var(--primary-2); text-decoration-color: rgba(212,168,83,.45); }
.footer-contact { font-size: 14px; color: var(--text-muted); display: flex; align-items: center; gap: 10px; padding: 4px 0; }
.footer-contact span { color: var(--primary); font-size: 13px; opacity: .85; display: inline-block; width: 18px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.04); padding: 16px 0; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: center; margin-top: 24px; font-size: 12px; color: var(--text-muted); }
.copyright a { color: var(--text-muted); }
.copyright a:hover { color: var(--text-light); }
.meta-icp { display: inline-flex; gap: 16px; }
.meta-icp span { white-space: nowrap; }
.legal-notice { font-size: 12px; padding: 18px 0 4px; border-bottom: none; color: var(--text-weak); line-height: 1.8; letter-spacing: .02em; background: rgba(255,255,255,.015); }
.legal-notice a { color: var(--primary); }

/* ========== 响应式细节 ========== */
@media (max-width: 1024px) {
  .article-main-inner { padding: 40px 36px; }
  .right-side { display: none; }
}

@media (max-width: 768px) {
  .container { padding: 0 18px; }
  .article-main-inner { padding: 28px 20px; }
  .article-header-title h1 { font-size: 30px; line-height: 1.3; }
  .article-body { font-size: 15px; line-height: 1.9; }
  .article-body h2 { font-size: 21px; margin-top: 1.7em; }
  .article-breadcrumb a, .article-breadcrumb .breadcrumb-list { overflow-x: auto; white-space: nowrap; max-width: 100%; scrollbar-width: none; }
  .breadcrumb-list::-webkit-scrollbar { display: none; }
  .breadcrumb-list { flex-wrap: nowrap; overflow-x: auto; }
  .related-grid { grid-template-columns: 1fr; gap: 14px; }
  .article-pager { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *:before, *:after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .nav-toggle .nav-toggle span { transition: none; }
  .nav-toggle.is-open span::before { transform: rotate(45deg); }
  .nav-toggle.is-open span::after { transform: rotate(-45deg); }
}
/* 兼容没有 JS 用户；抽屉跳转时仍能用 backdrop */
@media (max-width: 768px) {
  .main-nav { right: -110%; width: 82%; }
  .main-nav .nav-item { font-size: 16px; padding: 12px 0; }
}
@media (max-width: 600px) {
  .article-header-area { padding-top: 34px; }
  .article-header-title h1 { font-size: 26px; }
  .article-main-inner { padding: 20px 9px; background: transparent; }
  .article-body { font-size: 15px; }
  .article-body img, .article-body figure img { border-radius: 6px; padding: 0; }
  .section-footer-wrap .col { flex: none; align-items: flex-start; }
  .btn-gold, .btn-ghost { width: 100%; justify-content: center; }
  .article-meta-line { gap: 10px; }
  .footer-link { margin-top: 18px; }
}

@media (min-width: 992px) {
  .footer-wrap-inner .footer-brand { max-width: 20%; }
}

@media (max-width: 1100px) and (min-width: 769px) {
  .container { padding: 0 28px; }
  .main-nav { gap: 12px; }
  .main-nav .nav-item { font-size: 14px; }
}
/* 宽度不足100%的图片占位处理 */
figure { margin: 0; }
figcaption { text-align: center; font-size: 13px; color: var(--text-weak); margin-top: 6px; }

/* code 样式 */
.article-body code { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 12px; background: #182334; padding: 4px 7px; border-radius: 4px; border: 1px solid rgba(255,255,255,.06); }
.article-body pre { background: #0E1727; border: 1px solid rgba(255,255,255,.06); border-radius: 10px; padding: 18px; overflow-x: auto; font-size: 14px; margin: 1.5rem 0; }
.article-body pre code { background: transparent; border: none; padding: 0; font-size: 13px; white-space: pre; }

/* 更多动态顶栏细节 */
.site-header .main-nav { position: relative; }
.main-nav-backdrop { display: none; background: transparent; }
@media (max-width: 1100px) {
  .main-nav-backdrop { display: block; }
}

/* 隐藏样式用不到的辅助 */
.footer-bottom-extra { display: flex; align-items: center; gap: 18px; }

/* roulang page: category1 */
:root {
      --primary: #D4A853;
      --primary-hover: #E2BC68;
      --green: #4FB08D;
      --red: #E2725B;
      --bg: #0C1220;
      --bg-deep: #0F1729;
      --panel: #131C31;
      --panel-hover: #1B2740;
      --panel-strong: #202E4D;
      --text: #EAF0F6;
      --muted: #94A3B8;
      --faint: #64748B;
      --border: rgba(212, 168, 83, 0.18);
      --radius: 10px;
      --radius-lg: 16px;
      --shadow: 0 2px 10px rgba(0, 0, 0, .28);
      --shadow-hover: 0 10px 28px rgba(0, 0, 0, .32);
      --transition: 240ms cubic-bezier(.25, .1, .2, 1);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.7;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
      min-width: 320px;
    }

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

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

    button,
    input,
    textarea,
    select {
      font: inherit;
      color: inherit;
    }

    ul {
      list-style: none;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border: 0;
      cursor: pointer;
      border-radius: 999px;
      padding: 0 26px;
      height: 48px;
      font-size: 15px;
      font-weight: 600;
      transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    }

    .btn-gold {
      background: var(--primary);
      color: #0B0E14;
    }

    .btn-gold:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 10px 28px rgba(212, 168, 83, .16);
    }

    .btn-ghost {
      background: transparent;
      color: var(--primary);
      border: 1px solid rgba(212, 168, 83, .42);
    }

    .btn-ghost:hover {
      border-color: var(--primary);
      background: rgba(212, 168, 83, .08);
      transform: translateY(-2px);
    }

    .btn .arrow {
      font-size: 17px;
      transition: transform var(--transition);
    }

    .btn-gold:hover .arrow {
      transform: translateX(4px);
    }

    .section {
      padding: 100px 0;
    }

    .section-top-row {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 30px;
      margin-bottom: 34px;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      letter-spacing: .08em;
      margin-bottom: 12px;
    }

    .section-tag::before {
      content: "";
      width: 18px;
      height: 2px;
      background: var(--primary);
      display: inline-block;
    }

    h1,
    h2,
    h3,
    h4 {
      letter-spacing: .02em;
      line-height: 1.3;
    }

    h2 {
      font-size: 34px;
      font-weight: 700;
    }

    h3 {
      font-size: 18px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(12, 18, 32, .82);
      -webkit-backdrop-filter: blur(12px);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(212, 168, 83, .12);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 72px;
      gap: 28px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      flex-shrink: 0;
    }

    .brand-zh {
      font-size: 22px;
      font-weight: 700;
      color: #F2F5F2;
      letter-spacing: .04em;
    }

    .brand-zh b {
      color: var(--primary);
      font-weight: 700;
    }

    .brand-divider {
      width: 1px;
      height: 18px;
      background: var(--primary);
      margin: 0 12px;
      opacity: .7;
      flex-shrink: 0;
    }

    .brand-en {
      font-size: 13px;
      font-weight: 600;
      letter-spacing: .24em;
      color: var(--muted);
      text-transform: uppercase;
    }

    .nav-wrap {
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 30px;
    }

    .nav-item {
      color: #C6CFDB;
      font-size: 15px;
      font-weight: 500;
      position: relative;
      padding: 10px 2px;
      transition: color var(--transition);
    }

    .nav-item::after {
      content: "";
      width: 0;
      height: 2px;
      border-radius: 99px;
      background: var(--primary);
      position: absolute;
      left: 0;
      bottom: 2px;
      transition: width var(--transition);
    }

    .nav-item:hover {
      color: var(--primary);
    }

    .nav-item.active {
      color: var(--primary);
    }

    .nav-item.active::after {
      width: 22px;
    }

    .nav-head-cta .btn {
      height: 38px;
      padding: 0 18px;
      font-size: 14px;
    }

    .nav-toggle {
      display: none;
      width: 42px;
      height: 38px;
      background: transparent;
      border: 1px solid rgba(212, 168, 83, .35);
      border-radius: var(--radius);
      cursor: pointer;
      position: relative;
    }

    .nav-toggle span,
    .nav-toggle::before,
    .nav-toggle::after {
      content: "";
      position: absolute;
      left: 11px;
      right: 11px;
      height: 2px;
      background: var(--primary);
      border-radius: 4px;
      transition: transform var(--transition);
    }

    .nav-toggle span {
      top: calc(50% - 1px);
    }

    .nav-toggle::before {
      top: 10px;
    }

    .nav-toggle::after {
      bottom: 10px;
    }

    .hero-category {
      position: relative;
      padding: 96px 0 88px;
      background:
        linear-gradient(115deg, rgba(212, 168, 83, .13) 0%, rgba(12, 18, 32, .90) 40%, rgba(12, 18, 32, .80) 100%),
        url("/assets/images/backpic/back-1.png") center / cover no-repeat;
      border-bottom: 1px solid rgba(212, 168, 83, .14);
    }

    .hero-cat-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
    }

    .hero-cta-copy {
      max-width: 730px;
    }

    .hero-title {
      font-size: 48px;
      font-weight: 750;
      margin: 8px 0 16px;
      color: var(--text);
    }

    .hero-subtitle {
      color: var(--muted);
      font-size: 17px;
      line-height: 1.8;
      max-width: 620px;
    }

    .hero-side {
      flex-shrink: 0;
      min-width: 230px;
      background: rgba(19, 28, 49, .76);
      border: 1px solid rgba(212, 168, 83, .16);
      border-radius: var(--radius-lg);
      padding: 26px 28px;
      -webkit-backdrop-filter: blur(8px);
      backdrop-filter: blur(8px);
    }

    .hero-side span {
      display: block;
      font-size: 13px;
      color: var(--muted);
    }

    .hero-side strong {
      display: block;
      font-size: 24px;
      color: var(--primary);
      margin: 8px 0 14px;
    }

    .hero-side p {
      font-size: 14px;
      color: #A9B5C4;
      line-height: 1.8;
    }

    .filter-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 38px;
    }

    .filter-chip {
      background: rgba(255, 255, 255, .04);
      border: 1px solid rgba(212, 168, 83, .18);
      color: var(--muted);
      border-radius: 999px;
      padding: 8px 18px;
      font-size: 13px;
      transition: all var(--transition);
      cursor: default;
    }

    .filter-chip.active {
      color: var(--primary);
    }

    .filter-chip.active,
    .filter-chip:hover {
      background: rgba(212, 168, 83, .10);
      border-color: rgba(212, 168, 83, .44);
      color: var(--primary);
    }

    .timeline-list {
      display: grid;
      gap: 16px;
    }

    .timeline-row {
      display: grid;
      grid-template-columns: 150px 1fr 120px;
      align-items: start;
      background: rgba(19, 28, 49, .72);
      border: 1px solid rgba(212, 168, 83, .10);
      border-radius: var(--radius-lg);
      padding: 24px 26px;
      transition: transform var(--transition), border-color var(--transition), background var(--transition);
    }

    .timeline-row:hover {
      transform: translateY(-2px);
      border-color: rgba(212, 168, 83, .24);
      background: var(--panel);
    }

    .timeline-date {
      color: var(--muted);
      font-size: 14px;
      letter-spacing: .04em;
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .timeline-date::before {
      content: "◆";
      color: var(--primary);
      font-size: 10px;
      transform: translateY(-1px);
    }

    .timeline-info h3 {
      font-size: 17px;
      font-weight: 650;
      margin-bottom: 8px;
    }

    .timeline-info p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
      max-width: 720px;
    }

    .timeline-status {
      justify-self: end;
      font-size: 13px;
      color: var(--primary);
      background: rgba(212, 168, 83, .1);
      border-radius: 6px;
      padding: 5px 12px;
      white-space: nowrap;
    }

    .feature-section {
      background: var(--bg-deep);
    }

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

    .feature-card {
      background: var(--panel);
      overflow: hidden;
      border: 1px solid rgba(212, 168, 83, .10);
      border-radius: var(--radius-lg);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(212, 168, 83, .24);
    }

    .feature-cover {
      width: 100%;
      aspect-ratio: 16 / 8;
      overflow: hidden;
      background: var(--panel-strong);
    }

    .feature-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .35s cubic-bezier(.22, .68, .24, 1);
    }

    .feature-card:hover .feature-cover img {
      transform: scale(1.02);
    }

    .feature-body {
      padding: 24px;
    }

    .feature-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 13px;
      color: var(--muted);
      margin-bottom: 14px;
    }

    .feature-label {
      color: var(--primary);
      background: rgba(212, 168, 83, .12);
      border-radius: 6px;
      padding: 3px 10px;
      font-weight: 600;
    }

    .feature-body h3 {
      font-size: 18px;
      font-weight: 680;
      margin-bottom: 10px;
    }

    .feature-body p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
      margin-bottom: 18px;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #B9C2CE;
      font-size: 14px;
      font-weight: 500;
      transition: color var(--transition);
    }

    .text-link .arrow {
      transition: transform var(--transition);
    }

    .text-link:hover {
      color: var(--primary);
    }

    .text-link:hover .arrow {
      transform: translateX(4px);
    }

    .channel-section {
      background: transparent;
      padding: 92px 0;
    }

    .channel-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .channel-card {
      background: rgba(19, 28, 49, .75);
      border: 1px solid rgba(212, 168, 83, .10);
      border-radius: var(--radius-lg);
      padding: 24px;
      transition: transform var(--transition), border-color var(--transition);
    }

    .channel-card:hover {
      transform: translateY(-3px);
      border-color: rgba(212, 168, 83, .26);
    }

    .channel-icon {
      width: 42px;
      height: 42px;
      background: rgba(212, 168, 83, .12);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 19px;
      color: var(--primary);
      margin-bottom: 16px;
    }

    .channel-card h3 {
      font-size: 17px;
      margin-bottom: 8px;
    }

    .channel-card p {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.8;
    }

    .quick-section {
      background: var(--bg-deep);
    }

    .quick-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .quick-card {
      background: rgba(19, 28, 49, .8);
      border: 1px solid rgba(212, 168, 83, .12);
      border-radius: var(--radius-lg);
      padding: 28px 26px;
      transition: background var(--transition), border-color var(--transition), transform var(--transition);
    }

    .quick-card:hover {
      background: rgba(212, 168, 83, .08);
      border-color: rgba(212, 168, 83, .3);
      transform: translateY(-3px);
    }

    .quick-card .tag-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: rgba(212, 168, 83, .13);
      color: var(--primary);
      font-size: 18px;
      margin-bottom: 16px;
    }

    .quick-card h3 {
      font-size: 17px;
      margin-bottom: 10px;
    }

    .quick-card p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
      margin-bottom: 18px;
    }

    .faq-section {
      background: transparent;
    }

    .faq-wrap {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-center {
      text-align: center;
      max-width: 680px;
      margin: 0 auto 40px;
    }

    .faq-center h2 {
      font-size: 34px;
      margin-bottom: 12px;
    }

    .faq-center p {
      color: var(--muted);
      font-size: 15px;
    }

    .faq-tags {
      display: flex;
      justify-content: center;
      gap: 8px;
      flex-wrap: wrap;
      margin-bottom: 18px;
    }

    .faq-tag {
      background: rgba(212, 168, 83, .08);
      color: var(--primary);
      border-radius: 999px;
      padding: 5px 14px;
      font-size: 13px;
    }

    .faq-list {
      display: grid;
      gap: 0;
    }

    .faq-item {
      border-bottom: 1px solid rgba(234, 240, 246, .08);
      padding: 10px 0;
    }

    .faq-item-header {
      display: flex;
      align-items: center;
    }

    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      text-align: left;
      font-size: 16px;
      font-weight: 550;
      line-height: 1.5;
      background: transparent;
      border: 0;
      color: var(--text);
      padding: 12px 0;
      cursor: pointer;
      flex: 1;
      transition: color var(--transition);
    }

    .faq-question:hover {
      color: var(--primary);
    }

    .faq-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      width: 26px;
      height: 26px;
      position: relative;
    }

    .faq-icon::before,
    .faq-icon::after {
      content: "";
      background: var(--primary);
      width: 12px;
      height: 2px;
      display: block;
      position: absolute;
    }

    .faq-icon::after {
      transform: rotate(90deg);
      transition: transform var(--transition);
    }

    .faq-item.open .faq-icon::after {
      transform: rotate(0deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      opacity: 0;
      transition: max-height var(--transition), opacity var(--transition), padding var(--transition);
      color: var(--muted);
      font-size: 14px;
      line-height: 1.85;
    }

    .faq-item.open .faq-answer {
      max-height: 220px;
      opacity: 1;
      padding: 0 40px 18px 0;
    }

    .connect-section {
      padding: 80px 0;
    }

    .connect-card {
      border-radius: 22px;
      overflow: hidden;
      padding: 50px;
      background:
        radial-gradient(circle at 18% 25%, rgba(212, 168, 83, .18), transparent 36%),
        url("/assets/images/backpic/back-3.webp") center / cover no-repeat, var(--panel);
      border: 1px solid rgba(212, 168, 83, .16);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
    }

    .connect-copy h2 {
      font-size: 30px;
      margin-bottom: 12px;
    }

    .connect-copy p {
      color: var(--muted);
      font-size: 15px;
      max-width: 560px;
    }

    .connect-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      flex-shrink: 0;
    }

    .site-footer {
      background: #0A0F1A;
      border-top: 1px solid rgba(212, 168, 83, .16);
      padding-top: 70px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1.1fr;
      gap: 40px;
    }

    .footer-brand .brand {
      margin-bottom: 16px;
    }

    .footer-desc {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.85;
      max-width: 340px;
    }

    .footer-col h4 {
      font-size: 15px;
      color: #CDD6E2;
      margin-bottom: 18px;
    }

    .footer-col ul li {
      margin-bottom: 12px;
    }

    .footer-col a {
      color: var(--muted);
      font-size: 14px;
      transition: color var(--transition);
    }

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

    .footer-contact {
      display: flex;
      align-items: center;
      gap: 6px;
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 12px;
    }

    .footer-contact span {
      color: var(--primary);
    }

    .legal-notice {
      border-top: 1px solid rgba(255, 255, 255, .05);
      border-bottom: 1px solid rgba(255, 255, 255, .05);
      padding: 18px 0;
      margin-top: 35px;
      color: var(--faint);
      font-size: 13px;
      line-height: 1.75;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      padding: 22px 0 30px;
      color: var(--faint);
      font-size: 13px;
    }

    .footer-bottom a {
      color: var(--faint);
    }

    .footer-bottom a:hover {
      color: var(--primary);
    }

    .meta-icp {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
    }

    @media (max-width: 1024px) {
      .channel-grid {
        grid-template-columns: repeat(2, 1fr);
      }

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

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

    @media (max-width: 991px) {
      .nav-toggle {
        display: block;
      }

      .main-nav {
        position: fixed;
        top: 0;
        right: -320px;
        width: 300px;
        height: 100vh;
        background: #10182B;
        box-shadow: -12px 0 30px rgba(0, 0, 0, .3);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        gap: 10px;
        padding: 64px 30px 30px;
        transition: right .34s cubic-bezier(.25, .1, .2, 1);
        z-index: 1001;
      }

      .main-nav.open {
        right: 0;
      }

      .main-nav .nav-item {
        width: 100%;
        font-size: 20px;
        font-weight: 550;
        border-bottom: 1px solid rgba(255, 255, 255, .06);
        padding: 10px 2px;
      }

      .nav-head-cta {
        width: 100%;
        margin-top: 18px;
      }

      .nav-head-cta .btn {
        width: 100%;
        height: 45px;
      }

      .overlay-mask {
        position: fixed;
        inset: 0;
        z-index: 1000;
        background: rgba(0, 0, 0, .5);
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition);
      }

      .overlay-mask.show {
        opacity: 1;
        visibility: visible;
      }

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

      .hero-side {
        max-width: 360px;
      }

      .hero-title {
        font-size: 42px;
      }
    }

    @media (max-width: 767px) {
      .section {
        padding: 70px 0;
      }

      .section-top-row {
        flex-direction: column;
        align-items: flex-start;
      }

      h2 {
        font-size: 28px;
      }

      .hero-category {
        padding: 64px 0 56px;
      }

      .hero-title {
        font-size: 32px;
      }

      .hero-subtitle {
        font-size: 15px;
      }

      .timeline-row {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 20px;
      }

      .timeline-status {
        justify-self: start;
      }

      .feature-grid,
      .quick-grid {
        grid-template-columns: 1fr;
      }

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

      .connect-card {
        flex-direction: column;
        align-items: flex-start;
        padding: 32px 24px;
      }

      .connect-actions {
        width: 100%;
      }

      .connect-actions .btn {
        flex: 1;
      }

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

    @media (max-width: 520px) {
      .container {
        padding: 0 18px;
      }

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

      .brand-en {
        display: none;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .faq-item.open .faq-answer {
        max-height: 360px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
      }
    }

/* roulang page: category2 */
:root{
  --bg:#0C1220;
  --bg-soft:#0F1729;
  --panel:#131C31;
  --panel-2:#1B2740;
  --panel-3:#202E4D;
  --gold:#D4A853;
  --gold-bright:#e4c16f;
  --green:#4FB08D;
  --red:#E2725B;
  --text:#EAF0F6;
  --muted:#94A3B8;
  --dim:#64748B;
  --light-bg:#F7F5F0;
  --light-text:#16202B;
  --light-muted:#4B5563;
  --border:rgba(212,168,83,.15);
  --border-gold:rgba(212,168,83,.3);
  --radius-card:14px;
  --radius-el:10px;
  --radius-btn:999px;
  --shadow:0 2px 10px rgba(0,0,0,.28);
  --shadow-hover:0 8px 26px rgba(212,168,83,.12);
  --tr:.3s cubic-bezier(.25,.1,.2,1);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei",sans-serif;
  --font-num:"DIN Alternate","Bebas Neue","Roboto Condensed",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;position:relative}
.section{padding-top:96px;padding-bottom:96px;position:relative}
.section.tight{padding-top:80px;padding-bottom:80px}

.site-header{
  position:sticky;
  top:0;
  z-index:102;
  background:rgba(12,18,32,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease, background .25s ease;
}
.site-header.scrolled{border-bottom-color:rgba(212,168,83,.12);background:rgba(10,15,28,.92)}
.header-inner{display:flex;justify-content:space-between;align-items:center;height:76px;gap:28px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;transition:opacity .2s ease}
.brand:hover{opacity:.86}
.brand-zh{font-weight:700;font-size:23px;letter-spacing:.02em;color:#F2F5F2;line-height:1.2}
.brand-zh b{color:var(--gold);font-weight:700}
.brand-divider{width:1px;height:20px;background:var(--gold);opacity:.72}
.brand-en{font-size:12px;letter-spacing:.3em;font-weight:600;color:var(--muted)}
.nav-wrap{display:flex;align-items:center;gap:22px}
.main-nav{display:flex;align-items:center;gap:32px}
.main-nav .nav-item{position:relative;font-size:15px;color:#cbd5e1;padding:8px 2px;transition:color .25s ease;letter-spacing:.01em}
.main-nav .nav-item::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;
  background:var(--gold);border-radius:2px;opacity:0;transition:all .3s ease;
}
.main-nav .nav-item:hover{color:var(--gold)}
.main-nav .nav-item.active{color:var(--gold)}
.main-nav .nav-item.active::after,.main-nav .nav-item:hover::after{left:0;right:0;opacity:1}
.nav-head-cta{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;line-height:1;transition:all .3s cubic-bezier(.25,.1,.2,1)}
.btn-gold{background:var(--gold);color:#0b0e14;padding:13px 24px}
.btn-gold:hover{background:var(--gold-bright);transform:translateY(-1px);box-shadow:0 10px 22px rgba(212,168,83,.2)}
.btn-outline{background:transparent;color:var(--gold);padding:12px 23px;border:1px solid rgba(212,168,83,.45)}
.btn-outline:hover{background:rgba(212,168,83,.08);border-color:var(--gold)}
.btn-ghost{background:rgba(255,255,255,.06);color:var(--text);padding:13px 24px}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
nav .nav-head-cta a{padding:10px 22px;font-size:15px}
.nav-toggle{display:none;flex-direction:column;justify-content:center;width:44px;height:44px;gap:6px;align-items:center;border:1.5px solid var(--gold);border-radius:10px;background:transparent;z-index:105}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--gold);border-radius:2px;transition:transform .3s,bottom .3s}
.nav-toggle span:nth-child(2){width:14px;margin-left:6px}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(4px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){transform:translateY(-4px) rotate(-45deg);width:20px;margin-left:0}

/* Page hero */
.page-hero{position:relative;overflow:hidden;background:radial-gradient(circle at 14% 24%,rgba(212,168,83,.14) 0,transparent 30%),linear-gradient(180deg,rgba(12,18,32,.96),rgba(12,18,32,1)) ,url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(93deg,rgba(12,18,32,.96) 20%,rgba(12,18,32,.68) 82%);z-index:1}
.page-hero .container{position:relative;z-index:2;padding-top:62px;padding-bottom:70px}
.crumb{margin-bottom:28px;color:var(--muted);font-size:13px;letter-spacing:.02em}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--gold)}
.crumb .sep{display:inline-block;margin:0 10px;color:var(--dim)}
.crumb .current{color:var(--gold)}
.page-hero-grid{display:flex;justify-content:space-between;align-items:flex-end;gap:40px}
.page-hero-main{max-width:860px}
.tag-label{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.18em;color:var(--gold);margin-bottom:18px;font-weight:600}
.tag-label::before{content:"";width:20px;height:1px;background:var(--gold)}
.page-hero h1{font-family:var(--font-cn);font-size:46px;line-height:1.2;font-weight:650;letter-spacing:.02em;color:#fff}
.page-hero h1 em{font-style:normal;color:var(--gold)}
.page-hero-desc{font-size:17px;color:var(--muted);line-height:1.85;max-width:730px}
.hero-meta-card{flex-shrink:0;background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:var(--radius-card);padding:20px 24px;min-width:246px}
.hero-meta-label{font-size:12px;color:var(--muted);letter-spacing:.12em}
.hero-meta-num{font-family:var(--font-num);font-size:42px;color:var(--gold);letter-spacing:.04em;margin-top:6px}
.hero-meta-num small{font-size:16px;font-family:var(--font-cn);margin-left:4px;color:var(--muted)}
.hero-meta-note{color:var(--dim);font-size:13px;margin-top:4px}

/* section head */
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;margin-bottom:34px}
.eyebrow{display:flex;align-items:center;color:var(--gold);font-size:12px;letter-spacing:.18em;font-weight:600;margin-bottom:14px;gap:8px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--gold)}
.section-head h2{font-size:34px;line-height:1.3;font-weight:680;letter-spacing:.02em}
.section-head p{max-width:480px;color:var(--muted);font-size:15px;line-height:1.8}

/* chip + scroll */
.chip-row{display:flex;flex-wrap:wrap;gap:10px 12px;margin-bottom:28px}
.filter-btn{display:inline-flex;align-items:center;padding:8px 18px;border:1px solid rgba(212,168,83,.22);border-radius:999px;background:rgba(255,255,255,.03);color:var(--muted);font-size:14px;transition:all .3s ease}
.filter-btn:hover{color:var(--gold);border-color:rgba(212,168,83,.4)}
.filter-btn.active{background:rgba(212,168,83,.12);color:var(--gold);border-color:var(--gold)}
.scroll-controls{display:flex;gap:10px;margin-bottom:22px}
.scroll-arrow{width:38px;height:38px;border:1px solid rgba(212,168,83,.24);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--gold);font-size:20px;background:transparent;transition:all .3s ease}
.scroll-arrow:hover{background:rgba(212,168,83,.1);border-color:var(--gold)}
.h-scroll{overflow-x:auto;display:flex;gap:22px;scroll-snap-type:x mandatory;padding:4px 4px 22px;scrollbar-width:thin;scrollbar-color:rgba(212,168,83,.32) rgba(255,255,255,.04)}
.h-scroll::-webkit-scrollbar{height:6px}
.h-scroll::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:99px}
.h-scroll::-webkit-scrollbar-thumb{background:rgba(212,168,83,.32);border-radius:99px}
.service-card{flex:0 0 380px;max-width:100%;background:var(--panel);border:1px solid rgba(212,168,83,.1);border-radius:var(--radius-card);padding:30px 26px 24px;min-height:330px;display:flex;flex-direction:column;scroll-snap-align:start;position:relative;overflow:hidden;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}
.service-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--gold),rgba(212,168,83,.05));opacity:.8}
.service-card:hover{transform:translateY(-3px);border-color:rgba(212,168,83,.2);box-shadow:var(--shadow-hover)}
.service-card.is-hidden{display:none}
.svc-icon{width:48px;height:48px;border-radius:12px;background:rgba(212,168,83,.1);display:flex;align-items:center;justify-content:center;margin-bottom:22px}
.svc-icon svg{width:24px;height:24px;stroke:var(--gold);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.service-card h3{font-size:19px;font-weight:620;margin:0 0 10px;color:var(--text);line-height:1.45}
.service-card p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:22px;flex:1}
.service-card .tag{display:inline-block;margin-bottom:14px;font-size:12px;background:rgba(212,168,83,.1);color:var(--gold);padding:4px 12px;border-radius:6px;letter-spacing:.02em}
.svc-link{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:14px;padding:14px 0 4px;border-top:1px solid rgba(255,255,255,.06)}
.service-card:hover .svc-link{color:var(--gold)}
.svc-link .arrow{transition:transform .3s ease}
.service-card:hover .svc-link .arrow{transform:translateX(6px)}

/* performance */
.perf-grid{display:grid;grid-template-columns:1.02fr 1.28fr;gap:54px;align-items:center;background:var(--panel);border:1px solid rgba(212,168,83,.1);border-radius:var(--radius-card);padding:56px 50px;overflow:hidden}
.perf-grid h2{font-size:32px;line-height:1.35;font-weight:680;margin-bottom:22px}
.perf-intro p{color:var(--muted);font-size:15px;line-height:1.9;margin-bottom:24px}
.perf-claim{display:flex;align-items:flex-end;gap:16px}
.perf-claim .number{font-family:var(--font-num);font-size:42px;letter-spacing:.03em;color:var(--gold);line-height:1}
.perf-claim .desc{font-size:13px;color:var(--muted);flex:1}
.perf-note{color:var(--dim);font-size:12px;margin-top:20px}
.perf-bars{background:rgba(255,255,255,.03);border:1px solid rgba(212,168,83,.12);border-radius:var(--radius-el);padding:38px 40px;position:relative}
.bar-item{margin-bottom:32px}
.bar-item:last-child{margin-bottom:0}
.bar-meta{display:flex;justify-content:space-between;align-items:center;font-size:14px;margin-bottom:12px;color:#cbd5e1}
.bar-meta .bar-val{font-family:var(--font-num);letter-spacing:.06em;color:var(--gold)}
.bar-meta small{color:var(--muted);font-family:var(--font-cn);font-size:13px;margin-left:2px}
.bar-cost{border-radius:99px;height:10px;background:rgba(255,255,255,.07);overflow:hidden}
.bar-inner{display:block;height:100%;width:0;background:linear-gradient(90deg,#b98a38,var(--gold),#e8c97b);border-radius:99px;transition:width 1.15s ease .18s}
.bar-inner.extra{background:linear-gradient(90deg,#3b8f70,var(--green),#83cdb2)}
.bar-note{text-align:right;font-size:12px;color:var(--dim);margin-top:10px}

/* scenario */
.sec-head-center{text-align:center}.sec-head-center .eyebrow{justify-content:center}.sec-head-center .eyebrow::before{display:none}.sec-head-center .eyebrow::after{content:"";width:22px;height:1px;background:var(--gold)}
.scenario-grid{display:grid;grid-template-columns:1.18fr .98fr 1.14fr;gap:24px;align-items:stretch}
.scenario-card{
 background:var(--panel);border:1px solid rgba(212,168,83,.1);border-radius:var(--radius-card);overflow:hidden;
 transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.scenario-card:hover{transform:translateY(-4px);border-color:rgba(212,168,83,.28);box-shadow:var(--shadow-hover)}
.scenario-card.lead{background:#131c31;display:flex;flex-direction:column}
.scenario-media{min-height:198px;background:var(--panel)}
.scenario-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/8.6}
.scenario-body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.card-tag{font-size:12px;color:var(--gold);background:rgba(212,168,83,.1);padding:5px 12px;border-radius:6px;display:inline-block;width:max-content;margin-bottom:16px;letter-spacing:.04em}
.scenario-body h3{font-size:20px;line-height:1.5;font-weight:630;margin-bottom:10px}
.scenario-body p{color:var(--muted);font-size:15px;line-height:1.85}
.svc-dot-list{margin-top:20px;display:flex;flex-direction:column;gap:11px}
.svc-dot-list li{position:relative;padding-left:22px;font-size:14px;color:#cdd6e3;line-height:1.7}
.svc-dot-list li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--gold);opacity:.9}
.svc-dot-list li small{color:var(--dim);display:block}

/* process */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.process-item{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.07);border-radius:var(--radius-card);padding:28px 24px;transition:background .3s,border .3s,transform .3s;position:relative}
.process-item:hover{background:var(--panel);border-color:var(--border-gold);transform:translateY(-3px)}
.process-step{font-family:var(--font-num);font-size:34px;letter-spacing:.03em;color:transparent;-webkit-text-stroke:1px rgba(212,168,83,.8);line-height:1.1;font-weight:500}
.process-item h3{font-size:18px;font-weight:620;margin:18px 0 8px}
.process-item p{font-size:14px;color:var(--muted);line-height:1.85}
.process-item span.timer{display:inline-block;font-size:12px;color:var(--gold);margin-top:14px}

/* faq */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid rgba(255,255,255,.08)}
.faq-item:first-child{border-top:1px solid rgba(255,255,255,.08)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:24px;background:none;border:0;color:var(--text);font-size:17px;font-weight:520;text-align:left;padding:23px 4px 21px;transition:color .3s ease}
.faq-q:hover{color:var(--gold)}
.faq-icon{position:relative;flex-shrink:0;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--gold);border-radius:2px;top:50%;left:50%;transition:transform .3s ease,width .3s}
.faq-icon::before{width:18px;height:2px;transform:translate(-50%,-50%)}
.faq-icon::after{width:2px;height:18px;transform:translate(-50%,-50%)}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{display:none;padding:0 34px 0 4px;color:var(--muted);font-size:14px;line-height:1.95}
.faq-item.open .faq-a{display:block;padding-bottom:26px}
.faq-item.open .faq-q{color:var(--gold)}
.faq-help{margin-top:40px;text-align:center;font-size:14px;color:var(--muted)}
.faq-help a{color:var(--gold)}
.faq-help a:hover{text-decoration:underline}

/* cta */
.cta-wrap{padding-top:0}
.cta-panel{
  background:linear-gradient(123deg,rgba(212,168,83,.14) 0,rgba(19,28,49,.98) 38%,#101b2b);
  border:1px solid rgba(212,168,83,.2);
  border-radius:24px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  padding:52px 58px;
  align-items:center;
}
.cta-info h2{font-size:32px;line-height:1.4;font-weight:680;margin-bottom:16px}
.cta-info p{color:var(--muted);font-size:15px;margin-bottom:20px;line-height:1.9}
.cta-info li{color:var(--muted);font-size:15px;padding:7px 0;position:relative;padding-left:26px}
.cta-info li::before{content:"";position:absolute;left:2px;top:.98em;width:7px;height:7px;background:var(--gold);border-radius:50%}
.cta-form-box{background:rgba(12,18,32,.5);border:1px solid rgba(212,168,83,.16);border-radius:18px;padding:28px 28px 24px}
.cta-form-box h3{font-size:20px;font-weight:620;margin-bottom:18px}
.field-group{margin-bottom:16px}
.field-group input,.field-group textarea{width:100%;background:rgba(255,255,255,.07);border:1px solid transparent;border-radius:10px;padding:13px 15px;color:var(--text);color-scheme:dark}
.field-group input::placeholder,.field-group textarea::placeholder{color:var(--dim)}
.field-group input:focus,.field-group textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(212,168,83,.16);background:rgba(255,255,255,.09)}
.cta-form-box .btn{width:100%;margin-top:6px}
.form-success{
  display:none;text-align:center;padding:42px 16px;
}
.form-success .ok-circle{width:86px;height:86px;border-radius:50%;background:rgba(79,176,141,.12);border:2px solid rgba(79,176,141,.7);display:flex;align-items:center;justify-content:center;font-size:36px;color:var(--green);margin:0 auto 16px;}
.form-success h4{font-size:20px;margin-bottom:8px;color:#fff}
.form-success p{color:var(--muted);font-size:14px}
.safety{text-align:center;font-size:12px;color:var(--dim);margin-top:14px}

/* related quick link */
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quick-card{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.07);border-radius:var(--radius-card);padding:28px;transition:all .3s ease;display:flex;flex-direction:column}
.quick-card:hover{background:rgba(212,168,83,.06);border-color:rgba(212,168,83,.2);transform:translateY(-3px)}
.quick-icon{width:42px;height:42px;border-radius:10px;background:rgba(212,168,83,.1);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.quick-icon svg{width:22px;height:22px;stroke:var(--gold);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.quick-card h3{font-size:18px;font-weight:620;margin-bottom:8px}
.quick-card p{color:var(--muted);font-size:14px;line-height:1.8;margin-bottom:18px;flex:1}
.quick-link{color:var(--gold);font-size:14px;font-weight:550;display:inline-flex;gap:6px;align-items:center}
.quick-link span{transition:transform .3s ease}
.quick-card:hover .quick-link span{transform:translateX(5px)}

/* footer */
.site-footer{background:var(--bg);border-top:1px solid rgba(212,168,83,.18);padding:64px 0 34px;margin-top:16px}
.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1.4fr;gap:52px;margin-bottom:42px}
.footer-brand .brand{display:flex}
.footer-desc{color:var(--muted);font-size:14px;line-height:1.95;margin-top:18px;max-width:360px}
.footer-col h4{font-size:16px;font-weight:620;color:#e7edf4;margin-bottom:18px;letter-spacing:.03em}
.footer-col li{margin-bottom:7px;font-size:14px}
.footer-col a,.footer-contact{color:var(--muted);transition:color .3s ease;display:inline-flex;align-items:center;gap:8px}
.footer-col a:hover{color:var(--gold)}
.footer-contact span{color:var(--gold);font-weight:600}
.legal-notice{background:rgba(255,255,255,.025);border:1px solid rgba(212,168,83,.08);padding:15px 20px;border-radius:10px;color:var(--dim);font-size:13px;line-height:1.9;margin-bottom:28px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.06);padding-top:24px;font-size:12px;color:var(--dim)}
.copyright a{color:var(--muted)}
.meta-icp{display:flex;gap:18px;flex-wrap:wrap}

/* responsive */
@media (max-width:1180px){
  .page-hero-grid{flex-direction:column;align-items:flex-start}
  .hero-meta-card{display:none}
  .section{padding-top:78px;padding-bottom:78px}
  .scenario-grid{grid-template-columns:1fr 1fr}
  .scenario-card.lead{grid-column:span 2}
}
@media (max-width:1100px){
  .perf-grid{padding:42px 36px;grid-template-columns:1fr;gap:34px}
}
@media (max-width:992px){
  .nav-wrap{gap:12px}
  .main-nav{
    position:fixed;top:0;right:-380px;width:340px;height:100vh;max-width:88vw;
    background:#10182B;flex-direction:column;align-items:flex-start;gap:12px;
    padding:100px 34px 48px;transition:right .38s cubic-bezier(.25,.1,.2,1);
    z-index:104;box-shadow:-12px 0 36px rgba(0,0,0,.42);
  }
  body.nav-open .main-nav{right:0}
  .main-nav::before{content:"九游在线平台官网";position:absolute;top:28px;left:34px;color:var(--gold);font-size:16px;font-weight:600;letter-spacing:.04em}
  .main-nav .nav-item{width:100%;padding:14px 0;font-size:18px;border-bottom:1px solid rgba(255,255,255,.07)}
  .main-nav .nav-item::after{display:none}
  .main-nav .nav-item.active{color:var(--gold);padding-left:14px;transition:padding .3s ease}
  .nav-head-cta{display:block;margin-top:26px}
  .nav-head-cta .btn{width:100%}
  .nav-toggle{display:flex;position:relative;z-index:105}
  .footer-grid{grid-template-columns:1.8fr 1fr 1fr;gap:38px}
}
@media (max-width:768px){
  .container{padding-left:18px;padding-right:18px}
  .header-inner{height:68px}
  .section{padding-top:60px;padding-bottom:60px}
  .page-hero .container{padding-top:42px;padding-bottom:48px}
  .page-hero h1{font-size:32px}
  .page-hero-desc{font-size:15px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head h2{font-size:28px}
  .service-card{flex-basis:84vw;min-height:300px}
  .scenario-grid{grid-template-columns:1fr}
  .scenario-card.lead{grid-column:span 1}
  .process-grid{grid-template-columns:1fr 1fr}
  .cta-panel{grid-template-columns:1fr;gap:30px;padding:34px 26px}
  .cta-info h2{font-size:26px}
  .quick-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .brand-en{display:none}
  .page-hero h1{font-size:27px}
  .page-hero-desc{font-size:14px;line-height:1.75}
  .tag-label{font-size:11px}
  .h-scroll{scroll-padding-left:16px}
  .service-card{flex-basis:80vw;padding:24px 20px}
  .perf-grid{padding:30px 22px}
  .perf-bars{padding:26px 20px}
  .process-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .hero-meta-card{display:none}
  .cta-panel{padding:30px 20px}
  .cta-info h2{font-size:23px}
  .section-head h2,.perf-grid h2{font-size:25px}
  .tag-label{margin-bottom:10px}
}
@media (max-width:390px){
  .brand-zh{font-size:20px}
  .main-nav{width:100%;right:-100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .bar-inner{transition:none!important;width:var(--w)}
  .service-card,.scenario-card,.process-item,.quick-card{transform:none!important}
}

/* roulang page: category3 */
:root{
  --gold:#D4A853;
  --gold-light:#E7C579;
  --green:#4FB08D;
  --red:#E2725B;
  --ink:#0C1220;
  --ink-2:#0F1729;
  --panel:#131C31;
  --panel-deep:#10192B;
  --panel-hover:#1B2740;
  --text:#EAF0F6;
  --text-2:#94A3B8;
  --text-3:#64748B;
  --line:rgba(212,168,83,.16);
  --line-soft:rgba(234,240,246,.08);
  --radius:10px;
  --radius-lg:18px;
  --shadow:0 2px 10px rgba(0,0,0,.28);
  --dur:.28s;
  --ease:cubic-bezier(.25,.1,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.3;margin:0;letter-spacing:.02em;font-weight:700}
p{margin:0}
ul{margin:0;padding:0}
button,input,select,textarea,summary{font-family:inherit;font-size:inherit;color:inherit}
summary{list-style:none}
summary::-webkit-details-marker{display:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.container-narrow{max-width:880px}

a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
  border-radius:6px;
}
::selection{background:rgba(212,168,83,.26)}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:44px;
  padding:0 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-weight:600;
  color:#0B0E14;
  background:var(--gold);
  cursor:pointer;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
  letter-spacing:.02em;
  text-align:center;
}
.btn .arrow{transition:transform var(--dur) var(--ease)}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(212,168,83,.18)}
.btn:hover .arrow{transform:translateX(5px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:transparent;border:1px solid rgba(212,168,83,.4);color:var(--gold)}
.btn-ghost:hover{background:rgba(212,168,83,.08);color:var(--gold-light)}
.btn-success{background:var(--green);color:#08110c;cursor:default}
.btn-success:hover{transform:none;box-shadow:none}

/* Header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  background:rgba(12,18,32,.85);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.site-header.scrolled{border-bottom-color:rgba(212,168,83,.14)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:78px;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;color:#F2F5F2;flex-shrink:0}
.brand-zh{font-size:23px;font-weight:700;letter-spacing:.05em}
.brand-zh b{color:var(--gold);font-weight:800}
.brand-divider{display:block;width:1px;height:20px;background:rgba(212,168,83,.45)}
.brand-en{font-size:11px;font-weight:600;letter-spacing:.3em;color:#A9BACB}
.nav-wrap{display:flex;align-items:center;gap:22px}
.main-nav{display:flex;align-items:center;gap:30px;padding:0;margin:0}
.nav-item{position:relative;display:inline-block;color:#CBD5E0;font-size:15px;line-height:1;padding:12px 0;transition:color .25s var(--ease)}
.nav-item:hover{color:var(--gold)}
.nav-item.active{color:var(--gold)}
.nav-item::after{
  content:"";position:absolute;left:0;bottom:4px;width:24px;height:2px;border-radius:2px;
  background:var(--gold);opacity:0;transform:scaleX(0);transform-origin:left center;
  transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.nav-item.active::after,.nav-item:hover::after{opacity:1;transform:scaleX(1)}
.nav-head-cta{margin-left:6px}
.nav-head-cta .btn{min-height:40px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;
  width:44px;height:44px;padding:0;margin-left:12px;
  background:transparent;border:1.5px solid rgba(212,168,83,.45);
  border-radius:10px;position:relative;cursor:pointer;flex-shrink:0;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:var(--gold);
  transition:transform .3s var(--ease),opacity .3s var(--ease);top:20px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.active span{transform:rotate(45deg)}
.nav-toggle.active span::before{transform:translateY(6px) rotate(90deg)}
.nav-toggle.active span::after{opacity:0}

/* 主内容与 Page Hero */
main{display:block;padding-top:78px}
.page-hero{
  position:relative;
  padding:88px 0 88px;
  background:
    linear-gradient(100deg,rgba(12,18,32,.92) 20%,rgba(15,26,45,.86) 62%,rgba(19,28,49,.72)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid rgba(212,168,83,.1);
  overflow:hidden;
}
.page-hero-inner{display:flex;align-items:flex-end;justify-content:space-between;gap:60px}
.hero-copy{max-width:790px}
.hero-kicker{
  color:var(--gold);font-size:12px;font-weight:600;letter-spacing:.18em;margin-bottom:16px;
  display:flex;align-items:center;gap:10px;
}
.hero-kicker::before{content:"";width:26px;height:1px;background:var(--gold)}
.page-hero h1{font-size:46px;line-height:1.22;font-weight:750;letter-spacing:.02em}
.hero-desc{margin-top:20px;color:var(--text-2);font-size:17px;max-width:680px;line-height:1.9}
.hero-desc b{color:#D9E2EE;font-weight:600}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px}
.hero-topic{
  min-width:224px;
  padding:22px 24px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(212,168,83,.24);
  border-radius:14px;
  box-shadow:var(--shadow);
}
.hero-topic .topic-label{display:block;font-size:12px;letter-spacing:.14em;color:var(--text-3);margin-bottom:6px}
.hero-topic strong{color:var(--gold);font-size:22px;font-weight:750;display:block}
.hero-topic small{color:var(--text-2);font-size:13px;line-height:1.7;margin-top:10px;display:block}

/* Section 公共 */
.section{padding:96px 0;position:relative}
.section-soft{background:var(--ink-2)}
.section-head{margin-bottom:52px}
.section-head.center{text-align:center}
.section-head.center .section-tag{justify-content:center}
.section-head.left{max-width:720px;text-align:left}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--gold);font-size:12px;font-weight:600;letter-spacing:.16em;
  text-transform:uppercase;
}
.section-tag::before{content:"";width:20px;height:2px;background:var(--gold);opacity:.75}
.section-head h2{margin-top:14px;font-size:32px;line-height:1.28;font-weight:750}
.section-sub{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.85}
.section-head.center .section-sub{margin-left:auto;margin-right:auto;max-width:660px}

/* 步骤区 1/2/3 */
.step-section{background:var(--ink)}
.steps-list{max-width:880px;margin:0 auto;position:relative}
.steps-list::before{
  content:"";position:absolute;left:32px;top:74px;bottom:76px;width:1px;
  background:linear-gradient(to bottom,rgba(212,168,83,.38),rgba(212,168,83,.04));
}
.step-row{position:relative;display:grid;grid-template-columns:66px 1fr;gap:38px;padding:18px 0 58px}
.step-row:last-child{padding-bottom:0}
.step-badge{
  position:relative;z-index:2;
  width:66px;height:66px;border-radius:50%;
  background:linear-gradient(145deg,#131C31,#0F1729);
  border:1px solid rgba(212,168,83,.42);
  color:var(--gold);font-size:24px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-family:"DIN Alternate","Bebas Neue","Roboto Condensed","PingFang SC",sans-serif;
  box-shadow:0 0 0 7px rgba(212,168,83,.05);
}
.step-meta{color:var(--text-3);font-size:13px;letter-spacing:.12em;margin-bottom:6px;text-transform:uppercase}
.step-content h3{font-size:24px;line-height:1.4;color:var(--text)}
.step-content .step-summary{margin-top:10px;color:var(--text-2);line-height:1.9}
.step-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.step-point{
  list-style:none;
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;
  border:1px solid rgba(212,168,83,.24);
  background:rgba(212,168,83,.07);
  color:#DDE6EF;border-radius:999px;font-size:14px;line-height:1.4;
}
.step-point::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);flex-shrink:0}

/* 安全提示条 */
.safety-section{padding:8px 0 92px;background:var(--ink)}
.safety-card{
  display:grid;grid-template-columns:1fr 230px;gap:34px;align-items:center;
  border:1px solid rgba(212,168,83,.18);
  background:linear-gradient(120deg,#131C31 0%,rgba(16,31,55,.86) 100%);
  border-radius:18px;padding:30px 34px;
  box-shadow:var(--shadow);
}
.safety-copy .safety-badge{
  display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:12px;font-weight:600;letter-spacing:.14em;margin-bottom:10px;
}
.safety-copy h3{font-size:21px;color:var(--text)}
.safety-copy p{color:var(--text-2);font-size:15px;margin-top:10px;line-height:1.9;max-width:620px}
.safety-img{width:230px;height:158px;object-fit:cover;border-radius:12px;border:1px solid rgba(212,168,83,.1);box-shadow:0 8px 22px rgba(0,0,0,.28)}

/* FAQ */
.faq-section{background:var(--ink-2)}
.faq-section .section-sub{color:var(--text-2)}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{
  border-bottom:1px solid var(--line-soft);
  transition:background .2s var(--ease);
}
.faq-item[open]{border-bottom-color:rgba(212,168,83,.18)}
.faq-item:first-child{border-top:1px solid var(--line-soft)}
.faq-q{
  cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:24px 12px 22px 12px;
  font-size:17px;font-weight:600;color:#E4EBF2;
  letter-spacing:.01em;
  line-height:1.55;
  transition:color .25s var(--ease);
  user-select:none;
}
details:first-child .faq-q{padding-top:22px}
.faq-item[open] .faq-q{color:var(--gold)}
.faq-q:hover{color:var(--gold-light)}
.faq-q::after{
  content:"+";
  flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;
  border-radius:50%;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(212,168,83,.2);
  font-size:24px;font-weight:300;color:var(--gold);
  transition:transform .32s var(--ease),background .3s var(--ease),color .3s var(--ease);
}
.faq-item[open] .faq-q::after{content:"×";background:rgba(212,168,83,.12);color:var(--gold-light)}
.faq-a{
  padding:0 12px 28px 12px;
  margin-top:-4px;
  color:var(--text-2);
  font-size:15px;line-height:1.9;
  max-width:760px;
}

/* 相关服务快链 */
.quick-section{background:var(--ink)}
.rel-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.rel-card{
  display:block;position:relative;
  padding:34px 32px 32px;
  background:var(--panel);
  border:1px solid rgba(255,255,255,.04);
  border-radius:var(--radius-lg);
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.rel-card::before{
  content:"";position:absolute;top:0;left:30px;right:30px;height:2px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
  opacity:.2;transition:opacity .3s var(--ease);
}
.rel-card:hover{
  transform:translateY(-4px);
  background:var(--panel-hover);
  border-color:rgba(212,168,83,.25);
  box-shadow:0 14px 30px rgba(0,0,0,.22),0 0 0 1px rgba(212,168,83,.06);
}
.rel-card:hover::before{opacity:1}
.rel-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;border-radius:12px;
  background:rgba(212,168,83,.1);
  border:1px solid rgba(212,168,83,.2);
  color:var(--gold);
  transition:background .3s var(--ease),transform .3s var(--ease);
  margin-bottom:18px;
}
.rel-card:hover .rel-icon{background:rgba(212,168,83,.2);transform:translateY(-2px)}
.rel-icon svg{width:24px;height:24px}
.rel-card h3{font-size:19px;color:#EDF2F7}
.rel-card p{margin-top:10px;color:var(--text-2);font-size:15px;line-height:1.85}
.rel-more{display:inline-flex;align-items:center;gap:5px;margin-top:20px;color:var(--gold);font-size:15px;font-weight:600;opacity:.9;transition:gap .28s var(--ease),opacity .28s}
.rel-card:hover .rel-more{gap:11px;opacity:1}

/* 顾问协助 / 转化表单 */
.assist-section{background:linear-gradient(180deg,var(--ink) 0%,#0E1526 100%)}
.form-card{
  display:grid;grid-template-columns:1.25fr .75fr;
  border:1px solid rgba(212,168,83,.16);
  background:var(--panel);
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.form-area{padding:46px 46px 36px}
.section-head.form-head{margin-bottom:22px}
.section-head.form-head h2{font-size:27px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:14px;font-weight:600;color:#C2D0DF}
.form-field input,.form-field select,.form-field textarea{
  width:100%;
  background:rgba(255,255,255,.055);
  border:1px solid rgba(212,168,83,.14);
  border-radius:10px;
  padding:12px 15px;
  color:var(--text);
  line-height:1.5;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.form-field input::placeholder,.form-field textarea::placeholder{color:#6D7F93}
.form-field select{appearance:none;background-image:linear-gradient(45deg,transparent 45%,rgba(212,168,83,.8) 45%,rgba(212,168,83,.8) 55%,transparent 55%);background-size:10px 10px;background-repeat:no-repeat;background-position:right 16px center;padding-right:36px}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus,.form-field input:hover,.form-field select:hover,.form-field textarea:hover{
  outline:none;border-color:rgba(212,168,83,.6);background:rgba(212,168,83,.045);
  box-shadow:0 0 0 4px rgba(212,168,83,.08);
}
.form-field textarea{min-height:92px;resize:vertical}
.btn-submit{width:100%;margin-top:10px;min-height:50px}
.form-success-msg,.btn-success:disabled{cursor:not-allowed}
.form-status{margin-top:10px;text-align:center;font-size:14px;color:var(--green);opacity:0;transition:opacity .3s}
.form-status.show{opacity:1}
.form-side{
  background:linear-gradient(160deg,rgba(212,168,83,.14),rgba(255,255,255,.015) 30%);
  border-left:1px solid rgba(212,168,83,.12);
  padding:44px 38px 36px;
  display:flex;flex-direction:column;gap:24px;
}
.form-side h3{font-size:20px;color:#EAF0F6}
.form-side-intro{color:var(--text-2);font-size:14px;line-height:1.8}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:17px}
.contact-list li{display:flex;gap:13px;align-items:flex-start;color:#DDE6EF;font-size:15px;line-height:1.7}
.contact-list .c-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--gold);margin-top:9px;flex-shrink:0;
  box-shadow:0 0 10px rgba(212,168,83,.55);
}
.contact-list small{display:block;color:var(--text-3);font-size:12px;margin-top:2px;letter-spacing:.04em}
.secure-tag{
  margin-top:auto;
  font-size:12px;color:var(--text-3);line-height:1.7;
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:18px;
}
.privacy-line{margin-top:14px;text-align:center;font-size:12px;color:#6C8096;letter-spacing:.02em}

/* Footer */
.site-footer{background:var(--ink);border-top:1px solid rgba(212,168,83,.18);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.35fr .85fr .9fr 1.05fr;gap:38px;padding-bottom:52px}
.footer-brand .brand{margin-bottom:18px;display:flex}
.footer-brand .brand .brand-zh{align-self:center}
.footer-desc{color:var(--text-2);font-size:14px;line-height:1.95;margin-top:14px;max-width:340px}
.footer-col h4,.footer-col h3{
  font-size:16px;color:#F2F5F2;margin-bottom:16px;letter-spacing:.04em;font-weight:650;
}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col .footer-contact{color:var(--text-2);font-size:14px;line-height:1.6;transition:color .25s var(--ease)}
.footer-col a:hover{color:var(--gold)}
.footer-contact{display:flex;align-items:center;gap:9px}
.footer-contact span{color:var(--gold);font-size:13px;line-height:1;width:18px;flex-shrink:0}
.legal-notice{
  border-top:1px solid rgba(234,240,246,.06);
  border-bottom:1px solid rgba(234,240,246,.06);
  padding:18px 0;color:#758AA1;font-size:13px;line-height:1.85;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;justify-content:space-between;
  padding:20px 0 26px;color:var(--text-3);font-size:12px;
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--gold)}
.meta-icp{display:flex;flex-wrap:wrap;gap:16px}

/* 响应式 */
@media(max-width:1024px){
  .section{padding:80px 0}
  .page-hero{padding:70px 0}
  .page-hero-inner{flex-direction:column;align-items:flex-start;gap:38px}
  .hero-topic{width:100%;max-width:560px}
  .safety-card{grid-template-columns:1fr 200px;padding:28px 26px}
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr;row-gap:40px}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:900px){
  .nav-toggle{display:block}
  .main-nav{
    position:fixed;top:0;right:0;width:320px;height:100vh;height:100dvh;
    background:rgba(14,22,40,.98);
    backdrop-filter:blur(10px);
    flex-direction:column;
    align-items:flex-start;
    gap:8px;
    margin:0;padding:104px 26px 38px;
    transform:translateX(105%);
    transition:transform .35s var(--ease);
    overflow-y:auto;
    z-index:210;
    border-left:1px solid rgba(212,168,83,.18);
  }
  .main-nav.open{transform:translateX(0)}
  .nav-item{font-size:18px;padding:12px 4px;color:#D3DEE9}
  .nav-item::after{left:4px;width:18px}
  .nav-head-cta{margin:18px 4px 0 0;width:100%}
  .nav-head-cta .btn{width:100%;min-height:46px}
  .nav-toggle{z-index:220}
}
@media(max-width:768px){
  main{padding-top:72px}
  .header-inner,.page-hero{padding-left:18px;padding-right:18px}
  .container{padding-left:18px;padding-right:18px}
  .page-hero h1{font-size:34px}
  .section{padding:68px 0}
  .section-head h2{font-size:27px}
  .step-row{grid-template-columns:58px 1fr;gap:18px;padding-top:10px}
  .steps-list::before{left:29px}
  .step-badge{width:58px;height:58px;font-size:22px}
  .safety-card{grid-template-columns:1fr;gap:20px}
  .safety-img{width:100%;height:auto;max-height:200px;object-position:center}
  .rel-grid{grid-template-columns:1fr 1fr;gap:15px}
  .form-card{grid-template-columns:1fr}
  .form-area{padding:32px 24px 28px}
  .form-side{border-left:0;border-top:1px solid rgba(212,168,83,.12);padding:30px 24px 26px}
  .form-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}
@media(max-width:520px){
  .header-inner .container{max-width:100%}
  .brand-en{display:none}
  .page-hero h1{font-size:29px;line-height:1.3}
  .hero-desc{font-size:15px}
  .hero-actions{margin-top:24px;width:100%}
  .hero-actions .btn{width:100%}
  .section-head h2{font-size:23px}
  .step-row{grid-template-columns:1fr;gap:14px;padding:20px 0 46px}
  .steps-list::before{left:28px;top:34px;bottom:30px}
  .step-badge{width:56px;height:56px;font-size:22px}
  .step-content h3{font-size:21px}
  .step-points{flex-direction:column;align-items:flex-start}
  .step-point{width:100%}
  .rel-grid{grid-template-columns:1fr}
  .form-area{padding:26px 18px 22px}
  .btn{width:100%}
  .nav-head-cta .btn{width:auto}
  .hero-actions .btn-ghost{width:100%}
  .hero-actions .btn-gold{width:100%}
  .footer-bottom{font-size:11px}
  .meta-icp{gap:8px;flex-direction:column;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
    scroll-behavior:auto!important;
  }
}

/* roulang page: category4 */
:root{
  --c-bg:#0C1220;
  --c-bg-2:#0F1729;
  --c-bg-deep:#080D18;
  --c-panel:#131C31;
  --c-panel-2:#1B2740;
  --c-line:rgba(212,168,83,.14);
  --c-line-soft:rgba(234,240,246,.06);
  --c-gold:#D4A853;
  --c-gold-hi:#E8C97C;
  --c-green:#4FB08D;
  --c-red:#E2725B;
  --c-text:#EAF0F6;
  --c-muted:#94A3B8;
  --c-muted-2:#64748B;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei",sans-serif;
  --font-num:"DIN Alternate","Bebas Neue","Roboto Condensed",sans-serif;
  --radius:10px;
  --radius-lg:16px;
  --radius-btn:999px;
  --shadow:0 2px 10px rgba(0,0,0,.28);
  --shadow-hover:0 10px 28px rgba(212,168,83,.14);
  --dur:.3s;
  --ease:cubic-bezier(.25,.1,.2,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-body);
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body.page-lock{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
ul,ol{list-style:none}
button{border:none;background:none;font:inherit;color:inherit;cursor:pointer}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--c-gold);outline-offset:3px;border-radius:4px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.container{max-width:var(--container);margin-inline:auto;padding-inline:24px}
.section{padding:100px 0;position:relative}
.section-alt{background:var(--c-bg-2)}
.section-deep{background:linear-gradient(180deg,#0B111F 0%,var(--c-bg) 100%)}
.section-head{max-width:760px;margin-bottom:48px}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
  letter-spacing:.06em;color:var(--c-gold);background:rgba(212,168,83,.09);
  border:1px solid rgba(212,168,83,.18);padding:6px 14px;border-radius:999px;
  margin-bottom:16px;
}
.sec-tag::before{content:"";width:14px;height:2px;background:var(--c-gold);border-radius:2px}
.section-title{
  font-size:clamp(26px,3vw,36px);line-height:1.25;font-weight:700;letter-spacing:.02em;
  margin-bottom:16px;
}
.section-desc{font-size:15px;line-height:1.9;color:var(--c-muted)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;height:48px;
  border-radius:var(--radius-btn);padding:0 28px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:all .3s var(--ease);white-space:nowrap;
}
.btn .arrow{display:inline-block;margin-left:8px;transition:transform .28s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}
.btn-gold{background:var(--c-gold);color:#0B0E14}
.btn-gold:hover{background:var(--c-gold-hi);box-shadow:0 10px 22px rgba(212,168,83,.25);transform:translateY(-2px)}
.btn-outline{background:transparent;border-color:rgba(212,168,83,.4);color:var(--c-gold)}
.btn-outline:hover{border-color:var(--c-gold);background:rgba(212,168,83,.08);transform:translateY(-2px)}

.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(12,18,32,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s,border-color .3s;
}
.site-header.scrolled{border-bottom-color:rgba(212,168,83,.14)}
.header-inner{display:flex;align-items:center;min-height:74px;gap:20px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-zh{
  font-size:20px;font-weight:700;color:#F2F5F2;letter-spacing:.04em;
  display:inline-flex;align-items:baseline;transition:color .3s var(--ease);
}
.brand-zh b{color:var(--c-gold);font-weight:700}
.brand-divider{width:1px;height:17px;background:var(--c-gold);opacity:.75;display:inline-block;transform:scaleX(.55);transform-origin:center}
.brand-en{font-family:var(--font-num);font-size:13px;font-weight:600;letter-spacing:.24em;color:var(--c-muted);text-transform:uppercase}
.brand:hover .brand-zh{color:var(--c-gold-hi)}
.brand:hover .brand-en{color:var(--c-gold)}
.nav-wrap{margin-left:auto;display:flex;align-items:center;gap:8px}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-item{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;font-size:15px;
  color:var(--c-muted);border-radius:8px;position:relative;transition:color .3s var(--ease),background .3s var(--ease);
}
.nav-item:hover{color:var(--c-text);background:rgba(255,255,255,.04)}
.nav-item.active{color:var(--c-gold);font-weight:600}
.nav-item.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:-1px;height:2px;
  background:linear-gradient(90deg,var(--c-gold) 42%,rgba(212,168,83,.22));border-radius:2px;
}
.nav-item.active:hover{color:var(--c-gold-hi)}
.nav-head-cta{margin-left:14px}
.nav-head-cta .btn{height:38px;padding:0 20px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;position:relative;flex-shrink:0;
  border:1px solid rgba(212,168,83,.35);border-radius:10px;
  background:rgba(212,168,83,.04);
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:11px;right:11px;height:1.6px;background:var(--c-gold);
  transition:transform .28s var(--ease);
}
.nav-toggle span{top:20px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span::after{transform:translateY(-6px) rotate(-45deg)}

.cat-hero{
  position:relative;padding:102px 0 86px;overflow:hidden;
  background:
    linear-gradient(90deg,rgba(12,18,32,.96) 0%,rgba(12,18,32,.86) 46%,rgba(15,23,41,.68) 100%),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  border-bottom:1px solid rgba(212,168,83,.14);
}
.cat-hero::after{
  content:"";position:absolute;top:-180px;left:-140px;width:520px;height:520px;pointer-events:none;
  background:radial-gradient(circle,rgba(212,168,83,.16),transparent 68%);
}
.cat-hero .container{position:relative;z-index:1}
.breadcrumb{font-size:13px;color:var(--c-muted);margin-bottom:38px;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb a{color:var(--c-muted);transition:color .25s}
.breadcrumb a:hover{color:var(--c-gold)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--c-gold)}
.cat-hero-flex{display:flex;align-items:flex-end;justify-content:space-between;gap:48px}
.cat-hero-copy{max-width:780px}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,50px);line-height:1.18;font-weight:700;letter-spacing:.02em;margin-bottom:22px;
}
.cat-hero-lead{font-size:clamp(15px,1.6vw,17px);line-height:1.9;color:#B7C3D2;max-width:680px}
.cat-hero-meta{
  flex-shrink:0;min-width:220px;background:rgba(19,28,49,.72);
  border:1px solid rgba(212,168,83,.16);border-radius:14px;padding:20px 22px;
  display:grid;gap:12px;
  box-shadow:0 12px 32px rgba(0,0,0,.2);
  backdrop-filter:blur(6px);
}
.cat-hero-meta span{font-size:13px;color:var(--c-muted);display:flex;gap:10px;align-items:center}
.cat-hero-meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-gold);flex:none}

.partner-about{background:var(--c-bg)}
.about-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:56px;align-items:center}
.about-copy p{color:var(--c-muted);font-size:15px;line-height:2;margin-bottom:20px}
.about-copy p strong{color:var(--c-text);font-weight:600}
.about-media{position:relative}
.about-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px;
  border:1px solid rgba(255,255,255,.08);box-shadow:0 18px 46px rgba(0,0,0,.32);
}
.about-media .media-note{
  margin-top:16px;display:flex;align-items:center;gap:12px;color:var(--c-muted);font-size:13px;
}
.about-media .media-note::before{content:"";width:32px;height:1px;background:var(--c-gold)}
.about-stats{
  margin-top:72px;border-top:1px solid rgba(212,168,83,.14);border-bottom:1px solid rgba(234,240,246,.06);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.stat-cell{padding:30px 24px 28px 0;position:relative}
.stat-cell + .stat-cell{padding-left:32px}
.stat-cell + .stat-cell::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:1px;
  background:linear-gradient(180deg,transparent,rgba(212,168,83,.18),transparent);
}
.stat-cell .num{
  font-family:var(--font-num);font-size:38px;line-height:1;color:var(--c-gold);
  letter-spacing:.04em;display:flex;align-items:baseline;
}
.stat-cell .num .unit{font-family:var(--font-body);font-size:14px;margin-left:5px;color:var(--c-gold);font-weight:600;letter-spacing:0}
.stat-cell .label{font-size:13px;color:var(--c-muted);margin-top:10px}
.stat-cell .note{font-size:12px;color:var(--c-muted-2);margin-top:4px}

.partner-resources{background:var(--c-bg-2);border-top:1px solid rgba(234,240,246,.04)}
.resource-list{margin-top:36px;border-top:1px solid rgba(212,168,83,.16)}
.resource-row{
  display:grid;grid-template-columns:52px minmax(0,1fr) 158px 44px;gap:18px;align-items:center;
  padding:22px 4px 22px 0;border-bottom:1px solid rgba(234,240,246,.08);
  transition:background .3s var(--ease);
}
.resource-row:hover .resource-icon i{color:var(--c-gold-hi)}
.resource-icon{
  width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(212,168,83,.1);border:1px solid rgba(212,168,83,.14);
}
.resource-icon i{font-style:normal;font-size:18px;font-weight:700;color:var(--c-gold);transition:color .25s}
.resource-info h3{font-size:17px;font-weight:650;letter-spacing:.01em;margin-bottom:7px}
.resource-info p{font-size:14px;line-height:1.8;color:var(--c-muted);max-width:760px}
.resource-type{
  justify-self:end;font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;
  background:rgba(79,176,141,.1);color:#7CCFB1;border:1px solid rgba(79,176,141,.2);white-space:nowrap;
}
.resource-note{
  margin-top:26px;font-size:13px;color:var(--c-muted);
  display:flex;align-items:center;gap:10px;
}
.resource-note::before{content:"";width:24px;height:1px;background:var(--c-gold)}

.support-band{margin-top:80px;background:var(--c-bg);border:1px solid rgba(212,168,83,.16);border-radius:16px;padding:44px 46px;display:grid;grid-template-columns:1fr 1.6fr;gap:52px;align-items:start}
.support-title h3{font-size:22px;font-weight:700;letter-spacing:.02em;line-height:1.4}
.support-title p{color:var(--c-muted);font-size:14px;line-height:1.9;margin-top:12px}
.support-list{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid rgba(212,168,83,.12)}
.support-item{padding:18px 22px 8px 0}
.support-item + .support-item{padding-left:22px;border-left:1px solid rgba(234,240,246,.05)}
.support-item .support-no{font-family:var(--font-num);font-size:13px;color:var(--c-gold);letter-spacing:.12em}
.support-item h4{font-size:16px;font-weight:600;margin:12px 0 8px}
.support-item p{font-size:13px;color:var(--c-muted);line-height:1.85}

.partner-flow{padding:100px 0;background:var(--c-bg)}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:66px;position:relative}
.flow-grid::before{
  content:"";position:absolute;left:0;right:0;top:34px;height:1px;
  background:linear-gradient(90deg,rgba(212,168,83,.1),rgba(212,168,83,.32),rgba(212,168,83,.1));
}
.flow-step{position:relative;padding:0 26px 0 0}
.flow-step .step-no{
  width:68px;height:68px;border-radius:50%;background:var(--c-bg-2);
  border:1px solid rgba(212,168,83,.35);
  display:flex;align-items:center;justify-content:center;margin-bottom:22px;position:relative;
  font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--c-gold);letter-spacing:.04em;
  box-shadow:0 0 0 8px rgba(212,168,83,.04);
}
.flow-step h3{font-size:17px;font-weight:650;margin-bottom:10px}
.flow-step p{font-size:13px;line-height:1.85;color:var(--c-muted)}

.partner-faq{background:var(--c-bg-2);border-top:1px solid rgba(234,240,246,.04)}
.faq-wrap{max-width:860px;margin-top:20px}
.faq-item{border-bottom:1px solid rgba(234,240,246,.08)}
.faq-item:first-child{border-top:1px solid rgba(234,240,246,.08)}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;
  padding:23px 4px;text-align:left;font-size:16px;font-weight:550;color:var(--c-text);
  transition:color .25s;
}
.faq-question:hover{color:var(--c-gold)}
.faq-icon{
  width:26px;height:26px;position:relative;flex:none;border-radius:50%;
  border:1px solid rgba(212,168,83,.36);transition:transform .3s var(--ease);
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-gold);border-radius:2px}
.faq-icon::before{width:12px;height:1.6px;top:11px;left:6px}
.faq-icon::after{width:1.6px;height:12px;top:6px;left:11px}
.faq-item.active .faq-icon{transform:rotate(135deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s var(--ease);color:var(--c-muted)}
.faq-answer-inner{padding:0 42px 24px 4px;font-size:14px;line-height:1.9}

.partner-apply{background:var(--c-bg);padding:100px 0}
.apply-card{
  background:var(--c-panel);border:1px solid rgba(255,255,255,.06);border-radius:18px;
  overflow:hidden;display:grid;grid-template-columns:1.15fr .85fr;box-shadow:0 22px 60px rgba(0,0,0,.32);
}
.apply-form{padding:46px 48px 40px;background:rgba(255,255,255,.015)}
.apply-aside{
  padding:46px 42px;background:linear-gradient(145deg,rgba(212,168,83,.08),rgba(12,18,32,0) 62%),var(--c-bg-2);
  border-left:1px solid rgba(212,168,83,.12);
}
.apply-form .form-title{font-size:24px;font-weight:700;letter-spacing:.02em;margin-bottom:8px}
.apply-form .form-caption{font-size:14px;color:var(--c-muted);margin-bottom:28px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:block;margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--c-muted);margin-bottom:7px;font-weight:500}
.field label .req{color:var(--c-gold);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;border-radius:9px;border:1px solid rgba(234,240,246,.12);
  background:rgba(255,255,255,.05);color:var(--c-text);padding:0 15px;height:46px;
  transition:border-color .25s,box-shadow .25s,background .25s;
  -webkit-appearance:none;appearance:none;
}
.field textarea{height:112px;padding:13px 15px;resize:vertical;line-height:1.6}
.field select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%23D4A853' stroke-width='1.6' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 15px center;
  padding-right:40px;cursor:pointer;
}
.field textarea::placeholder,.field input::placeholder{color:#5B6B80}
.field input:hover,.field select:hover,.field textarea:hover{border-color:rgba(212,168,83,.36)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-gold);
  background:rgba(212,168,83,.04);box-shadow:0 0 0 3px rgba(212,168,83,.13);
}
.form-foot{margin-top:8px}
.form-foot .btn{width:100%;position:relative}
.form-note{margin-top:12px;font-size:12px;color:var(--c-muted-2);display:flex;align-items:center;gap:7px}
.form-note::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-green);flex:none}
.form-success{
  display:none;margin-top:8px;padding:20px 18px;border-radius:10px;
  background:rgba(79,176,141,.1);border:1px solid rgba(79,176,141,.28);color:#9BD9BF;font-size:14px;
  line-height:1.8;align-items:flex-start;gap:10px;
}
.form-success.visible{display:flex}
.form-success::before{content:"✓";font-weight:700;font-size:18px;line-height:1.3;color:var(--c-green)}
.apply-aside h3{font-size:19px;font-weight:700;letter-spacing:.02em;margin-bottom:8px}
.apply-aside .aside-desc{font-size:14px;color:var(--c-muted);margin-bottom:30px}
.aside-contact{display:grid;gap:0;border-top:1px solid rgba(212,168,83,.12)}
.contact-line{
  display:flex;gap:13px;align-items:flex-start;padding:15px 0;border-bottom:1px solid rgba(234,240,246,.05);
}
.contact-line .c-icon{
  width:34px;height:34px;flex:none;border-radius:8px;background:rgba(212,168,83,.1);
  border:1px solid rgba(212,168,83,.15);display:flex;align-items:center;justify-content:center;font-size:14px;
}
.contact-line .c-icon span{color:var(--c-gold);font-style:normal}
.contact-line strong{display:block;font-size:13px;color:var(--c-text);margin-bottom:2px;font-weight:600}
.contact-line small{font-size:12px;color:var(--c-muted);line-height:1.6;word-break:break-all}
.aside-code{
  margin-top:26px;display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.03);
  border:1px dashed rgba(212,168,83,.25);border-radius:12px;padding:12px 14px;
}
.qr-box{
  width:58px;height:58px;flex:none;border-radius:8px;background:rgba(255,255,255,.04);
  border:1px solid rgba(212,168,83,.24);position:relative;
  display:flex;align-items:center;justify-content:center;color:rgba(212,168,83,.55);
  font-family:var(--font-num);font-size:11px;letter-spacing:.1em;
}
.aside-code strong{display:block;font-size:13px;color:var(--c-text);margin-bottom:4px}
.aside-code p{font-size:12px;color:var(--c-muted);line-height:1.6}

.site-footer{background:var(--c-bg);border-top:1px solid rgba(212,168,83,.18);padding:74px 0 0}
.footer-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:50px}
.footer-brand .brand{margin-bottom:18px}
.footer-desc{font-size:13px;color:var(--c-muted);line-height:1.9;max-width:340px}
.footer-col h4{font-size:15px;font-weight:600;color:var(--c-text);margin-bottom:18px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:12px}
.footer-col a{
  font-size:13px;color:var(--c-muted);display:inline-flex;align-items:center;transition:color .25s,transform .25s;
}
.footer-col a::before{content:"";width:0;height:1px;background:var(--c-gold);transition:width .25s;margin-right:0}
.footer-col a:hover{color:var(--c-gold);transform:translateX(2px)}
.footer-col a:hover::before{width:10px;margin-right:6px}
.footer-contact{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--c-muted);line-height:1.5}
.footer-contact span{color:var(--c-gold);font-size:13px;line-height:1;text-align:center;width:18px}
.legal-notice{
  border-top:1px solid rgba(234,240,246,.05);border-bottom:1px solid rgba(234,240,246,.05);
  padding:17px 0;font-size:12px;color:var(--c-muted-2);text-align:center;line-height:1.8;
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0 26px;font-size:12px;color:var(--c-muted-2);
}
.footer-bottom .copyright a{color:var(--c-muted);transition:color .25s}
.footer-bottom .copyright a:hover{color:var(--c-gold)}
.meta-icp{display:flex;gap:18px}

@media(max-width:1180px){
  .support-band{grid-template-columns:1fr;gap:26px;padding:36px 32px}
  .support-list{max-width:none}
}
@media(max-width:1023px){
  .nav-toggle{display:block}
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:min(340px,86vw);z-index:120;
    background:#10182B;box-shadow:-20px 0 60px rgba(0,0,0,.4);
    flex-direction:column;align-items:stretch;padding:104px 30px 38px;gap:4px;
    transform:translateX(105%);transition:transform .36s var(--ease);
    border-left:1px solid rgba(212,168,83,.14);
  }
  .main-nav.open{transform:translateX(0)}
  .main-nav .nav-item{height:48px;font-size:15px}
  .nav-head-cta{margin:22px 0 0}
  .nav-head-cta .btn{width:100%;height:46px}
  .cat-hero-flex{gap:24px;flex-direction:column;align-items:flex-start}
  .cat-hero-meta{width:100%;min-width:0;grid-template-columns:repeat(3,1fr)}
  .about-grid{grid-template-columns:1fr;gap:36px}
  .about-stats{grid-template-columns:repeat(2,1fr)}
  .stat-cell{border-bottom:1px solid rgba(234,240,246,.06)}
  .stat-cell:nth-child(even){padding-left:24px}
  .stat-cell + .stat-cell::before{display:none}
  .resource-type{justify-self:start}
  .flow-grid{grid-template-columns:1fr 1fr;gap:34px 28px}
  .flow-grid::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:38px}
}
@media(max-width:768px){
  .container{padding-inline:18px}
  .section{padding:70px 0}
  .cat-hero{padding:64px 0 58px}
  .cat-hero-meta{grid-template-columns:1fr;gap:9px;padding:16px}
  .support-band{padding:30px 22px}
  .support-list{grid-template-columns:1fr}
  .support-item{padding:20px 0!important;border-left:0!important;border-top:1px solid rgba(234,240,246,.05)}
  .support-item:first-child{border-top:0}
  .apply-card{grid-template-columns:1fr}
  .apply-form,.apply-aside{padding:34px 24px}
  .apply-aside{border-left:0;border-top:1px solid rgba(212,168,83,.14)}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;padding-bottom:28px}
}
@media(max-width:640px){
  .form-grid{grid-template-columns:1fr}
  .resource-row{grid-template-columns:44px 1fr}
  .resource-icon{width:44px;height:44px;border-radius:10px;font-size:15px}
  .resource-type{grid-column:2}
  .resource-note{align-items:flex-start}
  .about-stats{grid-template-columns:1fr}
  .stat-cell,.stat-cell:nth-child(2){padding-right:0;padding-left:0;padding-bottom:8px}
  .stat-cell + .stat-cell{border-top:1px solid rgba(234,240,246,.05)}
  .flow-grid{grid-template-columns:1fr;gap:32px 0}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-col+.footer-col{padding-top:4px}
  .meta-icp{flex-wrap:wrap;gap:6px 16px}
  .cat-hero-flex .cat-hero-copy{max-width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;scroll-behavior:auto!important}
}