:root {
  --blue: #165dff;
  --blue-deep: #0e42d2;
  --navy: #0b1f4a;
  --orange: #ff6a00;
  --bg: #f5f7fb;
  --paper: #fff;
  --ink: #1d2129;
  --muted: #4e5969;
  --line: #e5e6eb;
  --ok: #00b42a;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); color: var(--ink); background: #fff; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }
.wrap { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.qr {
  display: block; width: min(280px, 100%); height: auto; margin: 12px auto 6px;
  border-radius: 10px; background: #fff; box-shadow: 0 0 0 1px var(--line);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 40px; padding: 0 18px; border: 0; border-radius: 4px;
  font-size: 14px; font-weight: 700; transition: .15s;
}
.btn-orange { background: var(--orange); color: #fff; }
.btn-orange:hover { filter: brightness(.95); }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: var(--blue-deep); }
.btn-ghost { background: #fff; color: var(--blue); border: 1px solid var(--blue); }
.btn-lg { height: 46px; padding: 0 22px; font-size: 15px; }
.muted { color: var(--muted); }

/* topbar */
.topbar { background: var(--navy); color: #fff; font-size: 13px; }
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; min-height: 36px; gap: 12px; flex-wrap: wrap; padding: 6px 16px; }
.topbar a { color: #ffd19a; font-weight: 700; }
.topbar span { opacity: .85; }

/* header */
.header { position: sticky; top: 0; z-index: 40; background: #fff; border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 16px; position: relative; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; white-space: nowrap; }
.logo img { width: 36px; height: 36px; border-radius: 8px; }
.logo small { display: block; font-size: 12px; font-weight: 500; color: var(--muted); margin-top: 1px; }
.nav { display: none; align-items: center; gap: 4px; }
.nav > a, .drop > summary {
  display: block; padding: 8px 12px; font-size: 15px; color: var(--ink); list-style: none; cursor: pointer;
}
.nav > a:hover, .nav > a.on, .drop > summary:hover { color: var(--blue); }
.drop { position: relative; }
.drop summary::-webkit-details-marker { display: none; }
.drop-list {
  position: absolute; top: 100%; left: 0; min-width: 168px;
  background: #fff; border: 1px solid var(--line); box-shadow: 0 8px 24px rgba(15,23,42,.08);
  padding: 8px 0; display: none;
}
.drop[open] .drop-list { display: block; }
.drop-list a { display: block; padding: 8px 16px; font-size: 14px; color: var(--muted); }
.drop-list a:hover { background: #f2f3f5; color: var(--blue); }
.header-cta { display: none; }
.toggle {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  width: auto; min-width: 52px; height: 36px; padding: 0 12px;
  border: 1px solid #c9cdd4; background: #f7f8fa; color: #1d2129;
  border-radius: 4px; display: inline-flex !important; align-items: center;
  justify-content: center; font-size: 13px; font-weight: 700; z-index: 5;
}
.mnav { display: none; border-top: 1px solid var(--line); padding: 8px 16px 16px; background: #fff; }
.mnav.open { display: block; }
.mnav a { display: block; padding: 10px 0; border-bottom: 1px solid var(--line); }
@media (min-width: 960px) {
  .nav, .header-cta { display: flex; }
  .toggle { display: none !important; }
  .mnav, .mnav.open { display: none; }
}

/* slider — 沃木式整幅轮播 */
.slider { position: relative; background: #0b1f4a; overflow: hidden; }
.slides { position: relative; height: 360px; }
@media (min-width: 760px) { .slides { height: 440px; } }
@media (min-width: 1100px) { .slides { height: 500px; } }
.slide {
  position: absolute; inset: 0; opacity: 0; pointer-events: none;
  transition: opacity .45s ease;
}
.slide.on { opacity: 1; pointer-events: auto; z-index: 1; }
.slide img { width: 100%; height: 100%; object-fit: cover; object-position: 78% center; }
.slide-mask {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(8,22,64,.78) 0%, rgba(8,22,64,.35) 36%, rgba(8,22,64,0) 62%);
}
.slide-copy { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center; color: #fff; max-width: 520px; }
.slide-copy h2 { font-size: clamp(26px, 4vw, 40px); line-height: 1.2; margin: 10px 0 10px; font-weight: 800; }
.slide-copy p { color: rgba(255,255,255,.88); font-size: 15px; max-width: 28em; }
.slide-pts { list-style: none; margin: 12px 0 4px; padding: 0; }
.slide-pts li {
  position: relative; padding: 4px 0 4px 18px; font-size: 14px; color: rgba(255,255,255,.92);
}
.slide-pts li::before { content: ""; position: absolute; left: 0; top: 12px; width: 8px; height: 8px; border-radius: 50%; background: var(--orange); }
.slide-copy .btn { margin-top: 18px; width: fit-content; }
.s-btn {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 40px; height: 40px; border: 0; border-radius: 50%;
  background: rgba(255,255,255,.22); color: #fff; font-size: 22px;
}
.s-btn:hover { background: rgba(255,255,255,.38); }
.s-prev { left: 12px; }
.s-next { right: 12px; }
.s-dots { position: absolute; left: 0; right: 0; bottom: 14px; z-index: 3; display: flex; justify-content: center; gap: 8px; }
.s-dots button { width: 10px; height: 10px; border: 0; border-radius: 50%; background: rgba(255,255,255,.45); }
.s-dots button.on { background: var(--orange); width: 22px; border-radius: 8px; }

.hero-panel { background: #fff; border: 1px solid #dbe7ff; border-radius: 8px; padding: 18px; box-shadow: 0 10px 30px rgba(22,93,255,.08); margin-top: -36px; margin-bottom: 12px; position: relative; z-index: 4; }
.hero-panel h3 { font-size: 16px; margin-bottom: 12px; }
.quick { display: grid; gap: 0; }
@media (min-width: 800px) { .quick { grid-template-columns: repeat(5, 1fr); } }
.quick a { display: flex; justify-content: space-between; align-items: center; padding: 12px 10px; border-bottom: 1px dashed var(--line); font-size: 14px; }
@media (min-width: 800px) {
  .quick a { border-bottom: 0; border-right: 1px dashed var(--line); flex-direction: column; align-items: flex-start; gap: 6px; }
  .quick a:last-child { border-right: 0; }
}
.quick em { font-style: normal; color: var(--orange); font-size: 12px; font-weight: 700; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags span { background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.28); color: #fff; font-size: 12px; padding: 4px 10px; border-radius: 99px; }
.tag {
  display: inline-block; font-size: 12px; font-weight: 700; margin-bottom: 8px;
  padding: 4px 9px; border-radius: 999px; background: #e8f0ff; color: var(--blue-deep);
}
.tag.gold { background: #f4ead0; color: #7a6412; }

/* sections */
.sec { padding: 48px 0; }
.sec.gray { background: var(--bg); }
.hd { text-align: center; margin-bottom: 28px; }
.hd h2 { font-size: 28px; }
.hd p { color: var(--muted); margin-top: 6px; }
.hd .line { width: 42px; height: 3px; background: var(--blue); margin: 10px auto 0; }

.grid-4, .grid-3, .grid-2 { display: grid; gap: 16px; }
@media (min-width: 700px) { .grid-2 { grid-template-columns: 1fr 1fr; } .grid-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }

.card { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 20px; }
.card:hover { border-color: #bedaff; box-shadow: 0 8px 20px rgba(22,93,255,.08); }
.mark { width: 42px; height: 42px; border-radius: 8px; display: grid; place-items: center; color: #fff; font-weight: 800; margin-bottom: 12px; font-size: 14px; }
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 14px; }
.pills { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0; }
.pills span { background: var(--bg); font-size: 12px; padding: 4px 8px; border-radius: 4px; }
.more { color: var(--blue); font-size: 13px; font-weight: 700; }

table.tb { width: 100%; border-collapse: collapse; background: #fff; font-size: 14px; }
.tb th, .tb td { border: 1px solid var(--line); padding: 12px; text-align: left; vertical-align: top; }
.tb th { background: #f2f6ff; width: 22%; color: var(--navy); }
.note { background: #fff7e8; border: 1px solid #ffe4ba; color: #ad4e00; padding: 12px 14px; border-radius: 6px; font-size: 13px; margin-top: 14px; }

.step { text-align: center; }
.step b { display: grid; place-items: center; width: 40px; height: 40px; margin: 0 auto 10px; background: var(--blue); color: #fff; border-radius: 50%; }
.step h3 { font-size: 16px; margin-bottom: 6px; }

.faq details { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 12px 16px; margin-bottom: 8px; }
.faq summary { cursor: pointer; font-weight: 700; }
.faq p { color: var(--muted); margin-top: 8px; font-size: 14px; }

.cta { background: var(--navy); color: #fff; padding: 36px 0; }
.cta .wrap { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
.cta p { opacity: .8; margin-top: 6px; }

.page-banner { position: relative; color: #fff; padding: 48px 0; min-height: 220px; overflow: hidden; display: flex; align-items: center; background: linear-gradient(90deg, var(--navy), #163a8a); }
.page-banner .bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 70% center; }
.page-banner::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,22,64,.88), rgba(8,22,64,.35)); }
.page-banner .wrap { position: relative; z-index: 1; }
.page-banner h1 { font-size: 30px; margin-bottom: 8px; }
.page-banner p { opacity: .85; max-width: 46em; }
.crumbs { font-size: 13px; opacity: .75; margin-bottom: 10px; }
.crumbs a:hover { text-decoration: underline; }

.prose { max-width: 820px; }
.prose p, .prose li { color: var(--muted); margin-bottom: 10px; }
.prose ul { padding-left: 1.2em; margin-bottom: 14px; }
.prose h2 { margin: 8px 0 12px; font-size: 22px; }

.contact-grid { display: grid; gap: 20px; max-width: 920px; }
@media (min-width: 700px) { .contact-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 699px) {
  .contact-grid { display: flex; flex-direction: column; }
  .contact-grid .contact-box:nth-child(2) { order: -1; }
}
.contact-box { max-width: 520px; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 22px; }
.contact-grid .contact-box { max-width: none; }
.row { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.row:last-of-type { border-bottom: 0; }
.acts { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }

footer { background: #0a1633; color: rgba(255,255,255,.72); padding: 28px 0 18px; font-size: 13px; }
.foot { display: grid; gap: 18px; }
@media (min-width: 800px) { .foot { grid-template-columns: 1.3fr 1fr 1fr; } }
footer a:hover { color: #fff; }
.disc { opacity: .55; margin-top: 16px; line-height: 1.65; }

.float {
  position: fixed; right: 16px; bottom: 24px; z-index: 30;
  display: flex; flex-direction: column; gap: 8px;
}
.float a, .float button {
  width: 52px; min-height: 52px; border: 0; border-radius: 8px; color: #fff;
  display: grid; place-items: center; font-size: 12px; font-weight: 700; line-height: 1.2; text-align: center; padding: 6px;
}
.float .tel { background: var(--blue); }
.float .wx { background: var(--ok); }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: none; place-items: center; z-index: 80; padding: 16px; }
.modal.open { display: grid; }
.box { width: min(400px, 100%); background: #fff; border-radius: 8px; padding: 22px; max-height: min(90vh, 720px); overflow: auto; }
.box h3 { margin-bottom: 8px; }
.box .num { font-size: 28px; font-weight: 800; color: var(--blue); margin: 10px 0; }

/* 资讯 / 文章：后面做 SEO、GEO 往这里加 */
.news-list { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.news-card { display: flex; flex-direction: column; min-height: 180px; max-width: 520px; }
.news-card .meta { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.news-card h3 { font-size: 18px; margin-bottom: 8px; }
.news-card.slot { border-style: dashed; background: #fafbff; color: var(--muted); }
.news-card.slot h3 { font-weight: 600; color: var(--ink-soft, #86909c); }
.article { padding: 36px 0 64px; }
.article .prose h2 { margin-top: 22px; }
.article .prose h3 { margin: 16px 0 8px; font-size: 18px; }

@media (max-width: 759px) {
  .wrap { width: min(1180px, calc(100% - 24px)); }
  .topbar .wrap { font-size: 12px; padding: 8px 12px; gap: 4px; }
  .topbar .wrap span:first-child { display: none; }
  .header-inner { height: 58px; padding-right: 64px; }
  .logo { font-size: 15px; gap: 8px; }
  .logo img { width: 32px; height: 32px; }
  .logo small { display: none; }
  .slides { height: 250px; }
  .slide-copy { max-width: 86%; padding-right: 44px; }
  .slide-copy h2 { font-size: 22px; margin: 8px 0; }
  .slide-copy p, .slide-pts { display: none; }
  .slide-copy .btn { margin-top: 10px; height: 36px; font-size: 13px; padding: 0 14px; }
  .s-btn { width: 36px; height: 36px; }
  .hero-panel { margin-top: 12px; padding: 14px; }
  .sec { padding: 36px 0; }
  .hd h2 { font-size: 22px; }
  .page-banner { min-height: 132px; padding: 22px 0; }
  .page-banner h1 { font-size: 22px; }
  .page-banner p { font-size: 13px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .cta { padding: 28px 0; }
  .cta .wrap { flex-direction: column; align-items: flex-start; }
  .float { right: 10px; bottom: calc(14px + env(safe-area-inset-bottom, 0px)); }
  .float a, .float button { width: 46px; min-height: 46px; font-size: 11px; }
  .news-card { min-height: 0; }
  .contact-box { padding: 18px; }
  .row { flex-direction: column; gap: 4px; }
  body { padding-bottom: 72px; }
  .tb { min-width: 560px; }
  .tb th { width: 28%; }
}
@media (max-width: 380px) {
  .slides { height: 220px; }
  .slide-copy h2 { font-size: 20px; }
}