:root {
  --bg: #f6f7f9;
  --ink: #1f2a37;
  --mute: #667085;
  --line: #e6e8ee;
  --navy: #0d2137;
  --navy-2: #081828;
  --gold: #b45316;
  --gold-2: #c2410c;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font: 14px/1.7 "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { width: min(var(--max), calc(100% - 36px)); margin: 0 auto; }

.topbar {
  background: var(--navy-2);
  color: #c9d4e0;
  font-size: 12px;
}
.topbar .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 36px;
  gap: 16px;
}
.topbar a { color: #fff; }

.header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}
.header .wrap {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 86px;
  gap: 28px;
}
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.mark {
  width: 46px;
  height: 46px;
  background: var(--navy);
  color: #f3e6d0;
  display: grid;
  place-items: center;
  font-size: 20px;
  font-weight: 700;
}
.brand b { display: block; font-size: 18px; font-weight: 700; letter-spacing: 0.02em; }
.brand small { display: block; color: var(--mute); font-size: 12px; margin-top: 2px; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 10px 14px;
  color: #2b3645;
  font-size: 15px;
}
.nav a:hover, .nav a.active {
  color: var(--gold);
}
.hotline {
  min-width: 210px;
  padding: 8px 16px 8px 18px;
  border-left: 1px solid var(--line);
  line-height: 1.25;
}
.hotline i { display: block; color: var(--mute); font-style: normal; font-size: 12px; }
.hotline b {
  display: block;
  color: var(--gold);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  background: #fff;
}

.scope {
  background: #f3f5f8;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: #3d4a5c;
}
.scope .wrap {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
}
.scope b {
  flex: 0 0 auto;
  color: var(--gold);
  font-size: 13px;
}
.scope p { margin: 0; line-height: 1.7; }
.scope a { color: var(--navy); }
.scope a:hover { color: var(--gold); }

.hero {
  min-height: 520px;
  display: flex;
  align-items: center;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(8,24,40,.88) 0%, rgba(8,24,40,.55) 58%, rgba(8,24,40,.28) 100%),
    url("../images/hero-mix.jpg") right center / cover no-repeat;
}
.hero h1 {
  margin: 0 0 14px;
  font-size: 40px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.25;
}
.hero .lead {
  max-width: 520px;
  margin: 0 0 28px;
  color: #d5dee8;
  font-size: 15px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 3px 10px;
  border: 1px solid rgba(255,255,255,.28);
  color: #f0d3b4;
  font-size: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 20px;
  border: 0;
  background: var(--gold);
  color: #fff !important;
  cursor: pointer;
  font: 500 14px/1 "Noto Sans SC", sans-serif;
}
.btn:hover { background: var(--gold-2); }
.btn.line {
  background: transparent;
  border: 1px solid rgba(255,255,255,.5);
}
.btn.line:hover { border-color: #fff; background: rgba(255,255,255,.06); }
.btn.dark { background: var(--navy); }
.btn.dark:hover { background: #16324f; }

.bar {
  background: var(--navy);
  color: #fff;
}
.bar .wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.bar div {
  padding: 22px 8px;
  border-right: 1px solid rgba(255,255,255,.08);
}
.bar div:last-child { border-right: 0; }
.bar b { display: block; font-size: 16px; }
.bar span { color: #9aabbd; font-size: 12px; }

.section { padding: 64px 0; }
.section.gray { background: var(--bg); }
.hd { margin-bottom: 28px; }
.hd h2 {
  margin: 0 0 8px;
  font-size: 26px;
  font-weight: 700;
}
.hd p, .sub { margin: 0; color: var(--mute); }

.cats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.cat {
  background: #fff;
  border: 1px solid var(--line);
}
.cat:hover { border-color: #c9d0da; }
.cat .pic {
  height: 150px;
  display: grid;
  place-items: center;
  background: #fff;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}
.cat .pic img { max-height: 118px; width: auto; object-fit: contain; }
.cat .txt { padding: 14px 14px 16px; }
.cat strong { display: block; font-size: 15px; }
.cat span { color: var(--mute); font-size: 12px; }

#home-cats {
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
#home-cats .cat .pic {
  height: 220px;
  padding: 0;
  overflow: hidden;
  background: #f3f5f8;
}
#home-cats .cat .pic img {
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: cover;
}
.home-more { margin: 28px 0 0; }

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  cursor: pointer;
}
.card:hover { border-color: #c9d0da; }
.card .pic {
  height: 200px;
  display: grid;
  place-items: center;
  padding: 16px;
}
.card img { max-height: 168px; width: auto; object-fit: contain; }
.card .meta {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.card .meta b { font-size: 14px; }
.card .meta small { color: var(--mute); font-size: 12px; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.chip {
  height: 34px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  font: 400 13px/34px "Noto Sans SC", sans-serif;
}
.chip.on, .chip:hover { background: var(--navy); color: #fff; border-color: var(--navy); }

.pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.pager .count { margin: 0; color: var(--mute); font-size: 13px; }
.pager-btns { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.pager button {
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  font: 400 13px/36px "Noto Sans SC", "Microsoft YaHei", sans-serif;
}
.pager button.on, .pager button:hover {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}
.pager button:disabled {
  opacity: 0.4;
  cursor: default;
  background: #fff;
  color: inherit;
  border-color: var(--line);
}
.pager .gap { padding: 0 4px; color: var(--mute); }
.empty { margin: 24px 0; color: var(--mute); }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.step {
  background: #fff;
  border: 1px solid var(--line);
  padding: 20px 18px;
}
.step i {
  display: block;
  font-style: normal;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 8px;
}
.step b { display: block; margin-bottom: 4px; }
.step span { color: var(--mute); font-size: 13px; }

.split {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 36px;
  align-items: center;
}
.split img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border: 1px solid var(--line);
}
.split h2 { margin: 0 0 12px; font-size: 26px; }
.split p { color: #4b5565; margin: 0 0 12px; }
.kv { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 8px; }
.kv div { background: var(--bg); padding: 12px 14px; }
.kv b { display: block; }

.cta {
  background: var(--navy);
  color: #fff;
  padding: 48px 0;
}
.cta .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.cta h2 { margin: 0 0 6px; font-size: 24px; }
.cta p { margin: 0; color: #b7c4d3; }

.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 24px;
}
.info-list { display: grid; gap: 8px; }
.info-list div {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 8px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: #fff;
}
.info-list i { color: var(--mute); font-style: normal; }
.info-list a { color: var(--gold); font-weight: 700; }
.map {
  margin-top: 10px;
  height: 140px;
  border: 1px solid var(--line);
  background:
    linear-gradient(rgba(13,33,55,.45), rgba(13,33,55,.45)),
    url("../images/about-board.jpg") center/cover;
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
}

form {
  border: 1px solid var(--line);
  background: #fff;
  padding: 22px 22px 20px;
  display: grid;
  gap: 8px;
}
form h3 { margin: 0 0 4px; font-size: 18px; }
label { color: var(--mute); font-size: 12px; }
input, select, textarea {
  width: 100%;
  border: 1px solid #d9dee6;
  padding: 9px 10px;
  font: 14px "Noto Sans SC", sans-serif;
}
input:focus, select:focus, textarea:focus { outline: 1px solid var(--gold); border-color: var(--gold); }
textarea { min-height: 96px; resize: vertical; }
.form-ok { color: #17663f; display: none; }

.footer {
  background: var(--navy-2);
  color: #b3becb;
  padding: 40px 0 0;
  font-size: 13px;
}
.footer .cols {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 24px;
  padding-bottom: 28px;
}
.footer h3 { margin: 0 0 12px; color: #fff; font-size: 15px; }
.footer a:hover { color: #fff; }
.footer p { margin: 0; }
.copy {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 12px 0;
  color: #8090a2;
  font-size: 12px;
}
.copy a { color: #8090a2; }
.copy a:hover { color: #fff; }

.dock {
  position: fixed;
  right: 0;
  top: 40%;
  z-index: 30;
  width: 44px;
}
.dock a {
  display: grid;
  place-items: center;
  min-height: 96px;
  padding: 12px 6px;
  background: var(--navy);
  color: #fff;
  writing-mode: vertical-rl;
  letter-spacing: 0.2em;
  font-size: 13px;
}
.dock a.q { background: var(--gold); }

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(8,16,28,.88);
  display: none;
  place-items: center;
  z-index: 40;
  padding: 24px;
}
.lightbox.on { display: grid; }
.lightbox img { max-height: 78vh; max-width: min(860px, 92vw); background: #fff; padding: 20px; }
.lightbox p { color: #fff; text-align: center; margin: 10px 0 0; }

.page-hero {
  background: var(--navy);
  color: #fff;
  padding: 36px 0;
}
.page-hero h1 { margin: 6px 0 0; font-size: 28px; }
.page-hero .path { color: #9aabbd; font-size: 13px; }
.page-hero .path a { color: #d7e0ea; }

@media (max-width: 960px) {
  .cats, .grid, .steps, .bar .wrap, #home-cats { grid-template-columns: 1fr 1fr; }
  #home-cats .cat .pic { height: 168px; }
  .split, .contact-grid, .footer .cols, .cta .wrap { grid-template-columns: 1fr; }
  .hotline { display: none; }
}
.m-call { display: none; }

@media (max-width: 720px) {
  .wrap { width: min(var(--max), calc(100% - 24px)); }
  .topbar { display: none; }
  .header .wrap { min-height: 56px; gap: 12px; }
  .mark { width: 36px; height: 36px; font-size: 16px; }
  .brand b { font-size: 15px; }
  .brand small { display: none; }
  .scope { display: none; }
  .page-hero { padding: 16px 0; }
  .page-hero h1 { font-size: 22px; }
  .section { padding: 24px 0 88px; }
  .hd { margin-bottom: 14px; }
  .hd h2 { font-size: 20px; }
  .scope .wrap { display: block; }
  .menu-btn { display: grid; place-items: center; }
  .nav {
    display: none;
    position: absolute;
    left: 0; right: 0; top: 56px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 16px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 8px; font-size: 16px; }
  .hero { min-height: 320px; }
  .hero h1 { font-size: 26px; }
  .dock { display: none; }
  .filters {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 8px;
    margin: 0 -12px 14px;
    padding: 8px 12px;
    background: #fff;
    position: sticky;
    top: 56px;
    z-index: 15;
  }
  .chip {
    flex: 0 0 auto;
    height: 40px;
    padding: 0 14px;
    font: 400 14px/40px "Noto Sans SC", "Microsoft YaHei", sans-serif;
  }
  .grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .card .pic { height: 148px; padding: 10px; }
  .card img { max-height: 128px; }
  .card .meta { padding: 8px 10px; }
  .card .meta small { display: none; }
  .pager { flex-direction: column; align-items: stretch; gap: 10px; }
  .pager-btns { justify-content: center; }
  .pager button { min-width: 44px; height: 40px; }
  .lightbox { padding: 10px; }
  .lightbox img { max-height: 82vh; max-width: 96vw; padding: 8px; }
  .m-call {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 35;
    height: 50px;
    padding-bottom: env(safe-area-inset-bottom);
    background: var(--navy);
    color: #fff !important;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 600;
  }
  .cta { padding-bottom: 28px; }
}