:root{
  --blue-deep:#0E2B47;
  --blue-mid:#173F63;
  --blue-line:#6FA8D0;
  --blue-line-soft:rgba(111,168,208,0.28);
  --paper:#F3F0E6;
  --paper-alt:#EAE5D6;
  --paper-line:rgba(22,35,46,0.10);
  --ink:#16232E;
  --ink-soft:rgba(22,35,46,0.62);
  --accent:#E1863C;
  --accent-soft:rgba(225,134,60,0.14);
  --red:#B14337;
  --font-display:"Bahnschrift","Segoe UI Semibold","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-body:"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-mono:"JetBrains Mono","Consolas","SFMono-Regular","Courier New",monospace;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
}
a{color:inherit;}
.mono{font-family:var(--font-mono); letter-spacing:0.02em;}
.wrap{max-width:1120px; margin:0 auto; padding:0 28px;}
img{max-width:100%; display:block;}

/* ---------- ruled margin ticks ---------- */
.ruler{
  position:fixed; top:0; bottom:0; width:18px; z-index:40;
  background-image:repeating-linear-gradient(to bottom, var(--ink) 0 1px, transparent 1px 40px);
  background-position:left top; background-repeat:repeat-y; opacity:0.16; pointer-events:none;
}
.ruler.left{left:0;}
.ruler.right{right:0;}
@media (max-width:900px){ .ruler{display:none;} }

/* ---------- crop marks ---------- */
.crop{position:absolute; width:18px; height:18px; border-color:var(--blue-line); opacity:0.55; pointer-events:none;}
.crop.tl{top:14px; left:14px; border-top:2px solid; border-left:2px solid;}
.crop.tr{top:14px; right:14px; border-top:2px solid; border-right:2px solid;}
.crop.bl{bottom:14px; left:14px; border-bottom:2px solid; border-left:2px solid;}
.crop.br{bottom:14px; right:14px; border-bottom:2px solid; border-right:2px solid;}

/* ---------- title block header ---------- */
header{
  background:var(--blue-deep);
  color:var(--paper);
  position:relative;
  border-bottom:3px solid var(--blue-line);
}
.titleblock{ position:relative; padding:22px 28px 0; }
.tb-row{
  display:flex; align-items:center; justify-content:space-between;
  border:1px solid var(--blue-line-soft);
  padding:14px 20px;
}
.brand{ display:flex; align-items:center; gap:12px; color:inherit; text-decoration:none; cursor:pointer; }
.brand:hover, .brand:focus-visible, .brand:active,
.foot-brand:hover, .foot-brand:focus-visible, .foot-brand:active{ text-decoration:none; outline:none; }
.brand .logo-img{ height:30px; width:auto; }
.brand .mark{ font-family:var(--font-display); font-weight:700; font-size:22px; letter-spacing:0.04em; }
.brand .tag{ font-family:var(--font-mono); font-size:11px; color:var(--blue-line); letter-spacing:0.14em; text-transform:uppercase; }
.brand-text{ display:flex; flex-direction:column; gap:2px; }

nav{display:flex; gap:26px; font-size:14px; align-items:center;}
nav a{text-decoration:none; color:var(--paper); opacity:0.82; position:relative; padding-bottom:2px;}
nav a:hover, nav a.active{opacity:1;}
nav a::after{content:""; position:absolute; left:0; bottom:-3px; width:0; height:1px; background:var(--blue-line); transition:width .25s;}
nav a:hover::after, nav a.active::after{width:100%;}
.nav-toggle{ display:none; }
@media (max-width:720px){
  nav{
    display:none; position:absolute; top:100%; left:0; right:0; background:var(--blue-deep);
    flex-direction:column; gap:0; border-top:1px solid var(--blue-line-soft); z-index:30;
  }
  nav.open{display:flex;}
  nav a{padding:14px 28px; border-bottom:1px solid var(--blue-line-soft);}
  .nav-toggle{
    display:inline-flex; align-items:center; justify-content:center;
    width:36px; height:36px; border:1px solid var(--blue-line-soft); background:none; color:var(--paper);
    font-family:var(--font-mono); font-size:16px; cursor:pointer;
  }
}

.tb-meta{
  display:grid; grid-template-columns:repeat(4,1fr);
  border:1px solid var(--blue-line-soft); border-top:none;
  font-family:var(--font-mono); font-size:11px; color:var(--blue-line);
}
.tb-meta div{padding:8px 16px; border-left:1px solid var(--blue-line-soft);}
.tb-meta div:first-child{border-left:none;}
.tb-meta span{display:block; color:rgba(243,240,230,0.85); font-size:12px; margin-top:2px;}
@media (max-width:720px){ .tb-meta{grid-template-columns:repeat(2,1fr);} }

/* ---------- page hero (inner pages, shorter) ---------- */
.page-hero{
  position:relative; padding:56px 0 64px;
  background:
    linear-gradient(var(--blue-line-soft) 1px, transparent 1px) 0 0/48px 48px,
    linear-gradient(90deg, var(--blue-line-soft) 1px, transparent 1px) 0 0/48px 48px,
    var(--blue-deep);
  color:var(--paper);
  overflow:hidden;
}
.page-hero .wrap{position:relative;}

/* ---------- hero (home) ---------- */
.hero{
  position:relative; padding:86px 0 96px;
  background:
    linear-gradient(var(--blue-line-soft) 1px, transparent 1px) 0 0/48px 48px,
    linear-gradient(90deg, var(--blue-line-soft) 1px, transparent 1px) 0 0/48px 48px,
    var(--blue-deep);
  color:var(--paper);
  overflow:hidden;
}
.hero .wrap{position:relative;}
.eyebrow{
  font-family:var(--font-mono); font-size:12px; letter-spacing:0.2em; text-transform:uppercase;
  color:var(--blue-line); border:1px solid var(--blue-line-soft); display:inline-block;
  padding:5px 12px; margin-bottom:26px;
}
h1{
  font-family:var(--font-display); font-weight:700;
  font-size:clamp(32px,5vw,54px); line-height:1.18; max-width:16ch; letter-spacing:0.01em;
}
h1 .accent{color:var(--accent);}
.page-hero h1{ max-width:20ch; font-size:clamp(28px,4vw,42px); }
.hero p.lead, .page-hero p.lead{
  margin-top:24px; max-width:640px; font-size:16.5px; color:rgba(243,240,230,0.82);
}
.hero-cta{margin-top:38px; display:flex; gap:16px; flex-wrap:wrap; align-items:center;}
.stamp{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--font-mono); font-size:13px; letter-spacing:0.04em;
  color:var(--blue-deep); background:var(--accent);
  padding:13px 26px; text-decoration:none; font-weight:700;
  border:1px solid var(--blue-deep);
  box-shadow:4px 4px 0 rgba(0,0,0,0.18);
  transition:transform .18s, box-shadow .18s;
}
.stamp:hover{transform:translate(-2px,-2px); box-shadow:6px 6px 0 rgba(0,0,0,0.22);}
.ghost-link{font-family:var(--font-mono); font-size:13px; color:var(--blue-line); text-decoration:none; border-bottom:1px dashed var(--blue-line-soft); padding-bottom:2px;}

.coords{
  position:absolute; right:28px; bottom:18px; font-family:var(--font-mono); font-size:11px; color:var(--blue-line); opacity:0.7;
}

/* ---------- section shell ---------- */
section{position:relative; padding:78px 0;}
.section-head{margin-bottom:44px; display:flex; align-items:flex-end; justify-content:space-between; gap:24px; flex-wrap:wrap;}
.section-head .num{font-family:var(--font-mono); font-size:12px; color:var(--ink-soft); letter-spacing:0.1em;}
.section-head h2{font-family:var(--font-display); font-size:clamp(24px,3vw,32px); font-weight:700; margin-top:6px;}
.section-head p{font-size:14px; color:var(--ink-soft); max-width:360px;}
hr.rule{border:none; border-top:1px solid var(--paper-line); margin:0 0 44px;}

/* ---------- services grid ---------- */
.services{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:1px;
  background:var(--paper-line); border:1px solid var(--paper-line);
}
.service{ background:var(--paper); padding:30px 26px 28px; position:relative; }
.service .idx{
  font-family:var(--font-mono); font-size:12px; color:var(--accent); font-weight:700;
  display:flex; align-items:center; gap:10px; margin-bottom:16px;
}
.service .idx::after{content:""; flex:1; height:1px; background:repeating-linear-gradient(to right, var(--ink-soft) 0 4px, transparent 4px 8px); opacity:0.5;}
.service h3{font-family:var(--font-display); font-size:17px; font-weight:700; margin-bottom:10px; letter-spacing:0.01em;}
.service p{font-size:13.5px; color:var(--ink-soft);}
.service .more{
  display:inline-block; margin-top:14px; font-family:var(--font-mono); font-size:12px;
  color:var(--accent); text-decoration:none; border-bottom:1px dashed var(--accent-soft);
}

/* ---------- service detail meta (办理条件/材料/时长) ---------- */
.svc-meta{ margin-top:18px; padding-top:16px; border-top:1px dashed var(--paper-line); display:flex; flex-direction:column; gap:8px; }
.svc-meta div{ display:flex; gap:10px; font-size:12.5px; }
.svc-meta .lbl{
  font-family:var(--font-mono); font-size:11px; color:var(--accent); letter-spacing:0.06em;
  min-width:64px; flex-shrink:0; padding-top:1px;
}
.svc-meta .val{ color:var(--ink-soft); }

.note-strip{
  font-family:var(--font-mono); font-size:12px; color:var(--ink-soft);
  border-left:2px solid var(--accent); padding:10px 16px; background:var(--paper-alt);
  margin-bottom:36px; max-width:760px;
}
.dark-section .note-strip{ background:rgba(243,240,230,0.06); }

/* ---------- FAQ ---------- */
.faq-list{ display:flex; flex-direction:column; gap:1px; background:var(--paper-line); border:1px solid var(--paper-line); }
.faq-item{ background:var(--paper); }
.faq-item summary{
  list-style:none; cursor:pointer; padding:20px 26px; display:flex; align-items:center; gap:16px;
  font-family:var(--font-display); font-size:15.5px; font-weight:700;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary .q-idx{ font-family:var(--font-mono); font-size:12px; color:var(--accent); font-weight:700; flex-shrink:0; }
.faq-item summary .q-plus{ margin-left:auto; font-family:var(--font-mono); color:var(--ink-soft); transition:transform .2s; }
.faq-item[open] summary .q-plus{ transform:rotate(45deg); }
.faq-item .a{ padding:0 26px 22px 62px; font-size:13.5px; color:var(--ink-soft); max-width:64ch; }

/* ---------- ad slot frames ---------- */
.ad-frame{ border:1px dashed var(--paper-line); background:var(--paper-alt); padding:16px; position:relative; }
.ad-frame .ad-label{
  position:absolute; top:-11px; left:16px; background:var(--paper);
  font-family:var(--font-mono); font-size:10px; letter-spacing:0.14em; color:var(--ink-soft);
  padding:0 8px; text-transform:uppercase;
}
.ad-slot-native{min-height:100px;}
.ad-slot-banner{min-height:120px;}

/* ---------- why / process ---------- */
.why-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(230px,1fr)); gap:32px;}
.why-item{border-left:2px solid var(--accent); padding-left:18px;}
.why-item .k{font-family:var(--font-mono); font-size:12px; color:var(--red); letter-spacing:0.08em;}
.why-item h4{font-family:var(--font-display); font-size:16px; margin:6px 0 8px; color:var(--ink);}
.why-item p{font-size:13.5px; color:var(--ink-soft);}

/* Dark sections: re-scope --ink/--ink-soft/--red to light-on-dark values
   so every element that already uses var(--ink)/var(--ink-soft) reads
   clearly, instead of dark ink text sitting on a dark blue background. */
.dark-section{
  --ink:#F3F0E6;
  --ink-soft:rgba(243,240,230,0.72);
  --red:#E2685A;
  --paper-line:var(--blue-line-soft);
  background:var(--blue-deep); color:var(--paper);
}
.dark-section .ad-frame{ background:rgba(243,240,230,0.06); border-color:var(--blue-line-soft); }
.dark-section .ad-frame .ad-label{ background:var(--blue-deep); color:var(--blue-line); }

.cta-band{
  display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;
  padding:36px; border:1px solid var(--blue-line-soft);
}
.cta-band h3{font-family:var(--font-display); font-size:22px; font-weight:700; max-width:22ch;}
.cta-band p{font-size:13.5px; color:rgba(243,240,230,0.72); margin-top:8px; max-width:44ch;}

/* ---------- contact page ---------- */
.contact-grid{ display:grid; grid-template-columns:1.1fr 1fr; gap:48px; }
@media (max-width:820px){ .contact-grid{grid-template-columns:1fr;} }
.contact-card{ border:1px solid var(--paper-line); padding:30px 28px; }
.contact-card h3{ font-family:var(--font-display); font-size:16px; margin-bottom:18px; }
.contact-line{ display:flex; align-items:baseline; gap:14px; padding:12px 0; border-top:1px solid var(--paper-line); }
.contact-line:first-of-type{ border-top:none; }
.contact-line .label{ font-family:var(--font-mono); font-size:11px; color:var(--ink-soft); letter-spacing:0.1em; min-width:76px; }
.contact-line a{ font-size:16px; font-weight:600; text-decoration:none; }
.contact-line a:hover{ color:var(--accent); }

.gzh-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
@media (max-width:480px){ .gzh-grid{grid-template-columns:1fr;} }
.gzh-card{ border:1px solid var(--paper-line); padding:20px; text-align:center; }
.gzh-card img{ width:140px; height:140px; margin:0 auto 14px; object-fit:cover; border:1px solid var(--paper-line); }
.gzh-card .name{ font-family:var(--font-display); font-size:14px; font-weight:700; }
.gzh-card .desc{ font-size:12px; color:var(--ink-soft); margin-top:4px; }

/* ---------- footer / title block bottom ---------- */
footer{ background:var(--paper); border-top:1px solid var(--paper-line); padding:36px 0 28px; }
.foot-grid{ display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:32px; padding-bottom:26px; border-bottom:1px solid var(--paper-line); }
.foot-grid h5{ font-family:var(--font-mono); font-size:11px; letter-spacing:0.14em; text-transform:uppercase; color:var(--ink-soft); margin-bottom:12px; }
.foot-grid p, .foot-grid li{ font-size:13.5px; color:var(--ink-soft); }
.foot-grid ul{ list-style:none; }
.foot-grid li{ margin-bottom:6px; }
.foot-grid li a{ text-decoration:none; }
.foot-grid li a:hover{ color:var(--accent); }
.foot-brand{ display:flex; align-items:center; gap:10px; margin-bottom:12px; color:inherit; text-decoration:none; }
.foot-brand:hover, .foot-brand:focus-visible, .foot-brand:active{ text-decoration:none; outline:none; }
.foot-brand img{ height:24px; width:auto; }
.foot-brand span{ font-family:var(--font-display); font-weight:700; font-size:16px; }
@media (max-width:720px){ .foot-grid{grid-template-columns:1fr 1fr;} }
.foot-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px;
  padding-top:18px; font-family:var(--font-mono); font-size:11.5px; color:var(--ink-soft);
}
.foot-bottom a{ text-decoration:none; border-bottom:1px dashed var(--paper-line); padding-bottom:1px; }
.foot-bottom a:hover{ color:var(--accent); border-color:var(--accent); }

/* ---------- back to top ---------- */
.back-to-top{
  position:fixed; right:22px; bottom:22px; z-index:50;
  width:46px; height:46px; display:flex; align-items:center; justify-content:center;
  background:var(--blue-deep); color:var(--paper); border:1px solid var(--blue-line);
  font-family:var(--font-mono); font-size:18px; text-decoration:none; cursor:pointer;
  box-shadow:3px 3px 0 rgba(0,0,0,0.18);
  opacity:0; visibility:hidden; transform:translateY(10px);
  transition:opacity .25s, transform .25s, visibility .25s;
}
.back-to-top.visible{ opacity:1; visibility:visible; transform:translateY(0); }
.back-to-top:hover{ background:var(--accent); color:var(--blue-deep); border-color:var(--blue-deep); }