:root {
  --navy: #0b2545;
  --navy-2: #123a63;
  --navy-3: #1c4f85;
  --gold: #c9a227;
  --gold-2: #e0bc46;
  --ink: #16202c;
  --ink-2: #4a5a6b;
  --ink-3: #7d8b99;
  --line: #e3e8ee;
  --bg: #ffffff;
  --bg-2: #f6f8fa;
  --radius: 10px;
  --max: 1180px;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 15px;
}

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

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

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- header ---------- */
.topbar {
  background: var(--navy);
  color: rgba(255,255,255,.72);
  font-size: 12.5px;
  letter-spacing: .2px;
}
.topbar .wrap {
  display: flex; justify-content: space-between; align-items: center;
  height: 36px; gap: 16px;
}
.topbar .tel { color: var(--gold-2); font-weight: 500; }

header.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.94);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }

.logo { display: flex; align-items: center; gap: 11px; }
.logo .mark {
  width: 38px; height: 38px; border-radius: 9px;
  background: var(--navy);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.logo .mark span {
  color: var(--gold-2); font-size: 17px; font-weight: 600; letter-spacing: -.5px;
}
.logo .txt strong {
  display: block; font-size: 16.5px; font-weight: 600; letter-spacing: .5px; color: var(--navy);
  line-height: 1.25;
}
.logo .txt em {
  display: block; font-style: normal; font-size: 10.5px; letter-spacing: 1.6px;
  color: var(--ink-3); text-transform: uppercase;
}

.menu { display: flex; align-items: center; gap: 4px; list-style: none; }
.menu a {
  display: block; padding: 8px 15px; border-radius: 7px;
  font-size: 14.5px; color: var(--ink-2); transition: .18s;
}
.menu a:hover, .menu a.on { color: var(--navy); background: var(--bg-2); }
.menu a.on { font-weight: 500; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 11px 24px; border-radius: 8px; border: 0; cursor: pointer;
  font-size: 14.5px; font-family: inherit; font-weight: 500;
  transition: .18s; white-space: nowrap;
}
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-3); }
.btn-gold { background: var(--gold); color: #2b2000; }
.btn-gold:hover { background: var(--gold-2); }
.btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.45); }
.btn-ghost:hover { background: rgba(255,255,255,.12); }

.burger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.burger i { display: block; width: 22px; height: 2px; background: var(--navy); margin: 4px 0; border-radius: 2px; transition: .2s; }

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--navy);
  color: #fff;
  padding: 96px 0 108px;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 56px 56px;
}
.hero::after {
  content: ""; position: absolute; right: -140px; top: -140px;
  width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,162,39,.22), transparent 68%);
}
.hero .wrap { position: relative; z-index: 2; max-width: 800px; }
.hero .eyebrow {
  display: inline-block; padding: 6px 14px; border-radius: 100px;
  border: 1px solid rgba(201,162,39,.5); color: var(--gold-2);
  font-size: 12.5px; letter-spacing: 1.2px; margin-bottom: 26px;
}
.hero h1 {
  font-size: clamp(28px, 4.4vw, 46px); line-height: 1.28; font-weight: 600;
  letter-spacing: .5px; margin-bottom: 22px;
}
.hero h1 span { color: var(--gold-2); }
.hero p {
  font-size: 16px; color: rgba(255,255,255,.76); max-width: 620px; margin-bottom: 36px;
}
.hero .cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- stats ---------- */
.stats {
  background: #fff; border-bottom: 1px solid var(--line);
}
.stats .wrap {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--line);
  transform: translateY(-46px); border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 12px 34px rgba(11,37,69,.09);
}
.stat { background: #fff; padding: 26px 22px; text-align: center; }
.stat b { display: block; font-size: 30px; font-weight: 600; color: var(--navy); letter-spacing: -.5px; line-height: 1.2; }
.stat b em { font-style: normal; font-size: 16px; color: var(--gold); margin-left: 2px; }
.stat span { font-size: 13px; color: var(--ink-3); }

/* ---------- section ---------- */
section { padding: 82px 0; }
section.alt { background: var(--bg-2); }

.sec-head { max-width: 660px; margin-bottom: 48px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head .kicker {
  font-size: 12.5px; letter-spacing: 2.2px; text-transform: uppercase;
  color: var(--gold); font-weight: 500; margin-bottom: 10px;
}
.sec-head h2 {
  font-size: clamp(22px, 2.9vw, 31px); font-weight: 600; color: var(--navy);
  line-height: 1.35; letter-spacing: .3px; margin-bottom: 14px;
}
.sec-head p { color: var(--ink-2); font-size: 15px; }
.rule { width: 44px; height: 3px; background: var(--gold); border-radius: 2px; margin-top: 18px; }
.sec-head.center .rule { margin-left: auto; margin-right: auto; }

/* ---------- cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px; transition: .22s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 14px 34px rgba(11,37,69,.10); border-color: transparent; }
.card .ico {
  width: 46px; height: 46px; border-radius: 10px; background: rgba(11,37,69,.06);
  display: grid; place-items: center; margin-bottom: 20px;
}
.card .ico svg { width: 23px; height: 23px; stroke: var(--navy); fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: 17px; font-weight: 600; color: var(--navy); margin-bottom: 10px; }
.card p { font-size: 14px; color: var(--ink-2); }
.card ul { list-style: none; margin-top: 16px; }
.card ul li {
  font-size: 13.5px; color: var(--ink-2); padding-left: 18px; position: relative; margin-bottom: 7px;
}
.card ul li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--gold);
}

/* ---------- about ---------- */
.about-split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.about-split h2 { font-size: clamp(22px, 2.8vw, 30px); font-weight: 600; color: var(--navy); line-height: 1.36; margin-bottom: 20px; }
.about-split p { color: var(--ink-2); margin-bottom: 16px; }
.checklist { list-style: none; margin: 26px 0 30px; }
.checklist li { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 14px; font-size: 14.5px; }
.checklist .tick {
  flex-shrink: 0; width: 20px; height: 20px; border-radius: 50%;
  background: rgba(201,162,39,.16); display: grid; place-items: center; margin-top: 3px;
}
.checklist .tick svg { width: 11px; height: 11px; stroke: var(--gold); fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.about-visual {
  border-radius: 14px; background: var(--navy); padding: 38px 34px; color: #fff;
  position: relative; overflow: hidden;
}
.about-visual::after {
  content: ""; position: absolute; left: -70px; bottom: -70px;
  width: 240px; height: 240px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,162,39,.24), transparent 70%);
}
.about-visual h4 { font-size: 15px; font-weight: 500; color: var(--gold-2); letter-spacing: 1px; margin-bottom: 22px; position: relative; z-index: 2; }
.about-visual .row {
  display: flex; justify-content: space-between; padding: 13px 0;
  border-bottom: 1px solid rgba(255,255,255,.12); font-size: 14px; position: relative; z-index: 2;
}
.about-visual .row:last-child { border-bottom: 0; }
.about-visual .row span { color: rgba(255,255,255,.6); }
.about-visual .row b { font-weight: 500; }

/* ---------- news ---------- */
.news-item {
  display: grid; grid-template-columns: 96px 1fr auto; gap: 26px; align-items: center;
  padding: 24px 26px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); margin-bottom: 14px; transition: .2s;
}
.news-item:hover { border-color: var(--navy-3); box-shadow: 0 8px 22px rgba(11,37,69,.07); }
.news-item .date { text-align: center; border-right: 1px solid var(--line); padding-right: 20px; }
.news-item .date b { display: block; font-size: 25px; font-weight: 600; color: var(--navy); line-height: 1.1; }
.news-item .date span { font-size: 12px; color: var(--ink-3); }
.news-item h4 { font-size: 15.5px; font-weight: 500; color: var(--ink); margin-bottom: 5px; }
.news-item p { font-size: 13.5px; color: var(--ink-3); }
.news-item .tag {
  font-size: 12px; padding: 4px 11px; border-radius: 100px;
  background: rgba(11,37,69,.06); color: var(--navy-3); white-space: nowrap;
}

/* ---------- form ---------- */
.form-wrap { display: grid; grid-template-columns: 1fr 1.15fr; gap: 0; border-radius: 14px; overflow: hidden; border: 1px solid var(--line); }
.form-info { background: var(--navy); color: #fff; padding: 46px 40px; }
.form-info h3 { font-size: 21px; font-weight: 600; margin-bottom: 14px; }
.form-info > p { color: rgba(255,255,255,.7); font-size: 14px; margin-bottom: 32px; }
.info-row { display: flex; gap: 14px; margin-bottom: 22px; align-items: flex-start; }
.info-row .ico {
  width: 34px; height: 34px; border-radius: 8px; background: rgba(255,255,255,.1);
  display: grid; place-items: center; flex-shrink: 0;
}
.info-row .ico svg { width: 17px; height: 17px; stroke: var(--gold-2); fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.info-row .t { font-size: 12.5px; color: rgba(255,255,255,.55); }
.info-row .v { font-size: 14px; }
.form-body { background: #fff; padding: 46px 40px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13.5px; color: var(--ink-2); margin-bottom: 7px; }
.field label em { font-style: normal; color: #d0453e; margin-left: 3px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 11px 14px; border: 1px solid var(--line); border-radius: 8px;
  font-family: inherit; font-size: 14.5px; color: var(--ink); background: #fff;
  transition: .16s; outline: none;
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--navy-3); box-shadow: 0 0 0 3px rgba(28,79,133,.12);
}
.field textarea { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.toast {
  display: none; align-items: center; gap: 10px;
  background: #edf7ee; border: 1px solid #bfe0c3; color: #26682f;
  padding: 12px 16px; border-radius: 8px; font-size: 14px; margin-bottom: 18px;
}
.toast.show { display: flex; }

/* ---------- footer ---------- */
footer { background: #081a2f; color: rgba(255,255,255,.6); padding: 62px 0 0; font-size: 13.5px; }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
footer h5 { color: #fff; font-size: 14.5px; font-weight: 500; margin-bottom: 20px; letter-spacing: .4px; }
footer ul { list-style: none; }
footer ul li { margin-bottom: 11px; }
footer ul a:hover { color: var(--gold-2); }
.foot-brand .mark { width: 36px; height: 36px; border-radius: 9px; background: rgba(255,255,255,.1); display: grid; place-items: center; margin-bottom: 16px; }
.foot-brand .mark span { color: var(--gold-2); font-weight: 600; font-size: 16px; }
.foot-brand p { line-height: 1.8; max-width: 280px; }
.foot-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px;
}
.foot-bottom a:hover { color: var(--gold-2); }
.foot-bottom .beian { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }

/* ---------- inner page banner ---------- */
.pagehead {
  background: var(--navy); color: #fff; padding: 62px 0 56px; position: relative; overflow: hidden;
}
.pagehead::after {
  content: ""; position: absolute; right: -90px; top: -110px; width: 380px; height: 380px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,162,39,.2), transparent 68%);
}
.pagehead .wrap { position: relative; z-index: 2; }
.pagehead h1 { font-size: clamp(24px, 3.4vw, 34px); font-weight: 600; margin-bottom: 12px; letter-spacing: .4px; }
.crumb { font-size: 13.5px; color: rgba(255,255,255,.6); }
.crumb a:hover { color: var(--gold-2); }
.crumb span { margin: 0 8px; opacity: .5; }

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .form-wrap { grid-template-columns: 1fr; }
  .about-split { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 860px) {
  .menu {
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 10px 16px 20px; gap: 2px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 30px rgba(11,37,69,.08);
    display: none;
  }
  .menu.open { display: flex; }
  .menu a { padding: 12px 14px; }
  .burger { display: block; }
  .nav-cta { display: none; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .stats .wrap { grid-template-columns: repeat(2, 1fr); }
  .news-item { grid-template-columns: 72px 1fr; gap: 18px; }
  .news-item .tag { display: none; }
  .hero { padding: 66px 0 78px; }
  section { padding: 58px 0; }
  .form-info, .form-body { padding: 34px 26px; }
}
@media (max-width: 560px) {
  .topbar .addr { display: none; }
  .topbar .wrap { justify-content: center; }
  .form-row { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .foot-bottom { flex-direction: column; }
  .hero .cta .btn { width: 100%; }
  .brand-name { font-size: 15px !important; }
}