:root{
  --ink:#17293d; --ink-2:#405266; --ink-3:#6b7c8f;
  --line:#dde4ec; --line-2:#e9eef3; --bg:#ffffff; --bg-alt:#f5f7fa;
  --brand:#1b4b73; --brand-dark:#123752; --accent:#b98b3e;
  --ok:#1f7a52; --warn:#a1651b; --err:#a33b3b;
  --radius:6px; --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65;font-size:15px}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.3;margin:0;font-weight:650}
p{margin:0 0 12px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);min-width:0}
.brand:hover{text-decoration:none}
.brand-mark{width:10px;height:34px;background:var(--brand);flex:none}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-text strong{font-size:16px;letter-spacing:.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text small{color:var(--ink-3);font-size:11px;letter-spacing:1.5px}
.nav{display:flex;gap:26px;margin-left:auto;flex-wrap:wrap}
.nav a{color:var(--ink-2);font-size:14px;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover{color:var(--brand);border-bottom-color:var(--brand);text-decoration:none}
.header-cta{border:1px solid var(--brand);color:var(--brand);padding:8px 16px;font-size:14px;white-space:nowrap}
.header-cta:hover{background:var(--brand);color:#fff;text-decoration:none}

.hero{background:var(--bg-alt);border-bottom:1px solid var(--line)}
.hero-inner{display:grid;grid-template-columns:1.35fr .85fr;gap:56px;padding-top:72px;padding-bottom:72px;align-items:center}
.eyebrow{color:var(--accent);letter-spacing:3px;font-size:12px;font-weight:700;margin-bottom:18px}
.hero h1{font-size:38px;letter-spacing:-.5px;margin-bottom:20px}
.hero-desc{color:var(--ink-2);font-size:16px;max-width:620px;margin-bottom:30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:11px 22px;border:1px solid transparent;font-size:14px;font-weight:600;cursor:pointer;text-align:center;font-family:inherit}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-primary:hover{background:var(--brand-dark)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand)}
.btn-block{width:100%}
.btn:disabled{opacity:.6;cursor:not-allowed}
.hero-card{background:#fff;border:1px solid var(--line);padding:28px 30px;box-shadow:0 6px 24px rgba(23,41,61,.05)}
.hero-card h2{font-size:16px;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:18px}
.hero-card dl{margin:0}
.hero-card .kv{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px dashed var(--line-2);font-size:13px}
.hero-card .kv dt{color:var(--ink-3);flex:none}
.hero-card .kv dd{margin:0;text-align:right;color:var(--ink);font-weight:600}
.hero-note{font-size:12px;color:var(--ink-3);margin:16px 0 0}

.section{padding:72px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:36px}
.section-no{display:inline-block;color:var(--accent);font-size:12px;font-weight:700;letter-spacing:2px;margin-bottom:10px}
.section-head h2{font-size:28px;margin-bottom:8px}
.section-head p{color:var(--ink-3);font-size:14px;margin:0}
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;margin-bottom:36px}
.about-intro h3,.scope-box h3{font-size:16px;margin-bottom:14px}
.about-intro p{color:var(--ink-2)}
.muted{color:var(--ink-3);font-size:13px}
.fact-list{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:0 24px}
.fact-list .kv{border-bottom:1px solid var(--line);padding:12px 0}
.fact-list dt{font-size:12px;color:var(--ink-3);margin-bottom:4px}
.fact-list dd{margin:0;font-size:14px;font-weight:600;word-break:break-word}
.scope-box{background:#fff;border-left:3px solid var(--accent);padding:24px 28px;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.scope-box p{color:var(--ink-2);margin:0;font-size:14px;line-height:1.9}

.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service-card{background:#fff;border:1px solid var(--line);padding:26px 24px;transition:border-color .15s,transform .15s}
.service-card:hover{border-color:var(--brand);transform:translateY(-2px)}
.service-idx{color:var(--accent);font-size:12px;font-weight:700;letter-spacing:2px}
.service-card h3{font-size:17px;margin:12px 0 10px}
.service-card p{color:var(--ink-2);font-size:14px;margin:0}
.news-list{display:grid;gap:0;border-top:1px solid var(--line)}
.news-item{padding:20px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:140px 1fr;gap:24px}
.news-item time{color:var(--ink-3);font-size:13px}
.news-item h3{font-size:16px;margin-bottom:6px}
.news-item p{color:var(--ink-2);font-size:14px;margin:0;white-space:pre-wrap}

.two-col{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.form-hint{color:var(--ink-2);font-size:14px;max-width:460px}
.contact-extra{margin-top:22px;font-size:14px;color:var(--ink-2)}
.contact-extra .kv{display:flex;gap:12px;margin-bottom:8px}
.contact-extra dt{color:var(--ink-3);min-width:72px}
.contact-extra dd{margin:0}
.card-form{background:#fff;border:1px solid var(--line);padding:30px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px;color:var(--ink)}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);background:#fff;padding:10px 12px;font-size:14px;font-family:inherit;color:var(--ink);border-radius:var(--radius);outline:none}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--brand);box-shadow:0 0 0 2px rgba(27,74,115,.1)}
.field textarea{resize:vertical}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-msg{font-size:13px;margin:14px 0 0;min-height:18px}
.form-msg.err{color:var(--err)}
.form-msg.ok{color:var(--ok)}
.form-msg.ok strong{font-size:16px;letter-spacing:1px}
.track-result{margin-top:18px;background:#fff;border:1px solid var(--line);padding:22px 26px}
.track-result h3{font-size:16px;margin-bottom:14px}
.track-result .kv{display:flex;gap:14px;padding:8px 0;border-bottom:1px dashed var(--line-2);font-size:14px}
.track-result .kv dt{color:var(--ink-3);min-width:88px}
.track-result .kv dd{margin:0}
.badge{display:inline-block;padding:2px 10px;font-size:12px;border:1px solid var(--line);border-radius:20px}
.badge.pending{color:var(--warn);border-color:#e2c793;background:#fdf8ee}
.badge.processing{color:var(--brand);border-color:#b9cfe0;background:#f1f7fb}
.badge.done{color:var(--ok);border-color:#b7d8c7;background:#f0f8f3}

.site-footer{background:var(--brand-dark);color:#d6e0e8;padding:44px 0 36px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:40px}
.footer-name{font-size:16px;font-weight:650;color:#fff;margin-bottom:12px}
.footer-line{font-size:13px;color:#b8c9d7;margin-bottom:7px}
.footer-compliance{text-align:right}
.site-footer a{color:#e8f0f6;text-decoration:underline;text-underline-offset:3px}
.icp-line a{letter-spacing:.5px}
.loading{color:var(--ink-3);font-size:14px}
.error-box{border:1px solid #e3c1c1;background:#fdf4f4;color:var(--err);padding:14px 18px;font-size:14px}

@media(max-width:960px){
  .hero-inner,.about-grid,.two-col{grid-template-columns:1fr;gap:32px}
  .hero-inner{padding-top:48px;padding-bottom:48px}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .nav{display:none}
  .footer-grid{grid-template-columns:1fr}
  .footer-compliance{text-align:left}
}
@media(max-width:600px){
  .wrap{padding:0 18px}
  .hero h1{font-size:27px}
  .section{padding:48px 0}
  .service-grid,.fact-list,.field-row{grid-template-columns:1fr}
  .card-form{padding:22px 18px}
  .news-item{grid-template-columns:1fr;gap:6px}
  .header-cta{display:none}
  .brand-text strong{font-size:14px}
}