:root {
    --bg: #EAF2FB;
    --surface: #FFFFFF;
    --surface-soft: #F4F8FF;
    --surface-blue: #EDF5FF;
    --line: rgba(47,168,247,.14);
    --primary: #2FA8F7;
    --primary-light: #45C7FF;
    --primary-dark: #137CD8;
    --text: #24364F;
    --muted: #5D718A;
    --footer: #102B46;
    --shadow: 0 16px 40px rgba(19,124,216,.08);
    --radius: 22px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 9999; background: #fff; color: var(--primary-dark); padding: 10px 16px; border-radius: 10px; }
.skip-link:focus { top: 12px; }
.shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 100;
    background: rgba(255,255,255,.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 24px rgba(19,124,216,.08);
}
.top-nav { height: 76px; display: grid; grid-template-columns: 190px 1fr 112px; align-items: center; gap: 26px; }
.brand-logo { display: inline-flex; align-items: center; width: 160px; height: 50px; }
.brand-logo img { max-width: 100%; max-height: 46px; object-fit: contain; }
.nav-core { display: flex; justify-content: center; align-items: center; gap: clamp(18px, 2.5vw, 36px); }
.nav-core a { color: var(--text); position: relative; font-weight: 700; padding: 25px 0 22px; white-space: nowrap; }
.nav-core a:hover, .nav-core a.active { color: var(--primary); }
.nav-core a.active::after { content: ""; position: absolute; left: 50%; bottom: 14px; width: 28px; height: 3px; border-radius: 999px; background: var(--primary); transform: translateX(-50%); }
.main-btn { display: inline-flex; justify-content: center; align-items: center; min-height: 44px; padding: 0 24px; background: linear-gradient(135deg, #45C7FF 0%, #2FA8F7 48%, #137CD8 100%); color: #fff; border-radius: 999px; box-shadow: 0 12px 26px rgba(19,124,216,.18); font-weight: 800; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 32px rgba(19,124,216,.24); }
.header-register { justify-self: end; }
.channel-bar { background: rgba(244,248,255,.92); border-top: 1px solid rgba(47,168,247,.1); border-bottom: 1px solid rgba(47,168,247,.1); overflow-x: auto; scrollbar-width: thin; }
.channel-inner { display: flex; align-items: center; gap: 8px; min-height: 52px; }
.channel-bar a { color: var(--muted); border-radius: 999px; padding: 6px 13px; white-space: nowrap; font-size: 14px; transition: .2s ease; }
.channel-bar a:hover, .channel-bar a.active { color: var(--primary-dark); background: rgba(47,168,247,.09); }
.page-main { padding-top: 128px; min-height: 70vh; }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px; }
.menu-toggle span { display: block; width: 23px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 4px; }
.drawer-overlay { position: fixed; inset: 0; z-index: 119; background: rgba(16,43,70,.38); opacity: 0; pointer-events: none; transition: opacity .25s ease; }
.mobile-drawer { position: fixed; top: 0; bottom: 0; left: 0; z-index: 120; width: min(84vw, 320px); background: #fff; transform: translateX(-104%); transition: transform .28s ease; box-shadow: 20px 0 50px rgba(16,43,70,.18); overflow-y: auto; }
.drawer-open .drawer-overlay { opacity: 1; pointer-events: auto; }
.drawer-open .mobile-drawer { transform: translateX(0); }
.drawer-head { min-height: 74px; display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.drawer-head img { max-width: 145px; max-height: 44px; object-fit: contain; }
.drawer-close { width: 38px; height: 38px; border: 0; border-radius: 50%; background: var(--surface-soft); color: var(--primary-dark); font-size: 26px; line-height: 1; }
.mobile-drawer nav { display: grid; padding: 12px 14px 28px; }
.mobile-drawer nav a { padding: 11px 12px; border-radius: 12px; color: var(--text); font-weight: 600; }
.mobile-drawer nav a:hover, .mobile-drawer nav a.active { color: var(--primary-dark); background: var(--surface-blue); }
.floating-service { position: fixed; right: 18px; top: 42%; z-index: 60; display: grid; gap: 8px; width: 94px; }
.floating-service a, .floating-service button { min-height: 42px; display: flex; justify-content: center; align-items: center; border-radius: 13px; background: #fff; color: var(--primary-dark); border: 1px solid var(--line); box-shadow: 0 14px 30px rgba(19,124,216,.1); font-size: 13px; }
.floating-service .register-link { background: linear-gradient(135deg, #45C7FF 0%, #2FA8F7 48%, #137CD8 100%); color: #fff; border: 0; font-weight: 800; }
.floating-service button { width: 100%; }
.banner-wrap { background: var(--bg); padding: 36px 16px 26px; }
.banner-slider { max-width: 1200px; margin: 0 auto; border-radius: 24px; background: #fff; box-shadow: 0 18px 42px rgba(19,124,216,.14); overflow: hidden; position: relative; z-index: 1; aspect-ratio: 16 / 5.7; min-height: 260px; }
.banner-slider .slide { display: none; width: 100%; height: 100%; }
.banner-slider .slide.active { display: block; }
.banner-slider img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.slider-arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; width: 44px; height: 44px; border: 0; border-radius: 999px; background: rgba(255,255,255,.9); color: var(--primary); box-shadow: 0 8px 20px rgba(19,124,216,.14); font-size: 25px; }
.slider-arrow.prev { left: 16px; }
.slider-arrow.next { right: 16px; }
.slider-dots { position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%); display: flex; gap: 8px; z-index: 3; }
.slider-dots button { width: 10px; height: 10px; padding: 0; border-radius: 50%; border: 0; background: rgba(47,168,247,.28); }
.slider-dots button.active { background: var(--primary); }
.section { padding: 36px 0; }
.section-tight { padding: 24px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 20px; }
.section-head h2, .section-title, h1, h2, h3 { color: var(--primary-dark); line-height: 1.3; }
.section-head h2, .section-title { margin: 0; font-size: clamp(26px, 3vw, 38px); }
.section-head p { max-width: 690px; margin: 0; color: var(--muted); }
.eyebrow { display: inline-flex; margin-bottom: 10px; color: var(--primary); font-weight: 800; letter-spacing: .08em; font-size: 13px; }
.text-link { color: var(--primary-dark); font-weight: 800; }
.text-link:hover { text-decoration: underline; }
.card, .zone-card, .info-card, .review-card, .content-panel, .faq-item, .page-hero, .intro-strip { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: var(--radius); }
.card, .zone-card, .info-card, .review-card, .content-panel { padding: 24px; }
.card p, .zone-card p, .info-card p, .review-card p, .content-panel p { color: var(--muted); }
.content-img { width: 100%; height: clamp(180px, 22vw, 290px); object-fit: contain; background: var(--surface-soft); border-radius: 18px; }
.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.grid-5 { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.brand-intro { display: grid; grid-template-columns: 1.15fr .85fr; gap: 26px; align-items: center; }
.brand-intro .content-panel { padding: clamp(26px, 4vw, 48px); }
.brand-intro h1 { margin: 0 0 14px; font-size: clamp(34px, 5vw, 58px); }
.brand-intro .lead { color: var(--muted); font-size: 17px; }
.action-row { display: flex; align-items: center; gap: 18px; margin-top: 22px; flex-wrap: wrap; }
.quick-categories { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.quick-category { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 15px 18px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 14px; box-shadow: 0 10px 28px rgba(19,124,216,.06); }
.quick-category strong { color: var(--primary-dark); }
.quick-category small { display: block; color: var(--muted); margin-top: 2px; }
.quick-category a { color: var(--primary); font-weight: 800; white-space: nowrap; }
.intro-strip { padding: 26px 30px; background: linear-gradient(135deg, #fff 0%, #EDF5FF 100%); }
.intro-strip p { margin: 0; color: var(--muted); }
.info-card .num { display: inline-flex; width: 40px; height: 40px; justify-content: center; align-items: center; border-radius: 14px; background: var(--surface-blue); color: var(--primary); font-weight: 900; }
.info-card h3 { margin: 15px 0 8px; }
.media-card { overflow: hidden; padding: 0; }
.media-card .content-img { border-radius: 0; height: 220px; }
.media-card .card-body { padding: 22px 24px 26px; }
.media-card h3 { margin-top: 0; }
.service-points { margin: 16px 0 18px; padding: 0; list-style: none; display: grid; gap: 8px; }
.service-points li { color: var(--muted); padding-left: 20px; position: relative; }
.service-points li::before { content: ""; position: absolute; left: 0; top: .72em; width: 8px; height: 8px; border-radius: 50%; background: var(--primary-light); }
.review-card { position: relative; }
.review-card::before { content: "“"; position: absolute; top: 5px; right: 18px; color: rgba(47,168,247,.14); font-size: 70px; line-height: 1; font-family: Georgia, serif; }
.review-card strong { color: var(--primary-dark); }
.faq-list { display: grid; gap: 12px; }
.faq-item { padding: 20px 24px; }
.faq-item h3 { margin: 0 0 8px; font-size: 18px; }
.faq-item p { margin: 0; color: var(--muted); }
.page-hero { margin: 34px auto 12px; padding: clamp(30px, 5vw, 58px); display: grid; grid-template-columns: 1fr minmax(280px, .72fr); gap: 30px; align-items: center; background: linear-gradient(145deg, #fff 0%, #EDF5FF 100%); }
.page-hero.no-image { grid-template-columns: 1fr; }
.page-hero h1 { font-size: clamp(34px, 5vw, 54px); margin: 0 0 15px; }
.page-hero p { color: var(--muted); font-size: 17px; margin: 0; }
.page-hero img { width: 100%; max-height: 310px; object-fit: contain; border-radius: 20px; background: #fff; }
.article-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr); gap: 22px; }
.article-content { display: grid; gap: 18px; }
.article-content .content-panel h2 { margin-top: 0; }
.side-stack { display: grid; gap: 18px; align-content: start; }
.side-stack .content-panel { background: var(--surface-soft); }
.notice-box { border-left: 4px solid var(--primary); padding: 18px 20px; background: var(--surface-blue); border-radius: 0 16px 16px 0; color: var(--muted); }
.compliance-strip { background: #DDEBFA; border-top: 1px solid var(--line); padding: 24px 0; }
.compliance-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.compliance-grid div { display: grid; gap: 5px; }
.compliance-grid strong { color: var(--primary-dark); }
.compliance-grid span { color: var(--muted); font-size: 14px; }
.site-footer { background: var(--footer); color: #EAF6FF; padding: 46px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 32px; }
.footer-brand img { max-width: 165px; max-height: 54px; object-fit: contain; filter: brightness(0) invert(1); }
.footer-brand p { color: #BFD5E8; max-width: 450px; }
.site-footer h2 { color: #fff; margin: 0 0 14px; font-size: 17px; }
.site-footer a { display: block; color: #C8DBEA; margin: 7px 0; font-size: 14px; }
.site-footer a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 30px; padding-top: 18px; color: #AFC6D8; font-size: 13px; }
.mobile-bottom-nav { display: none; }

@media (max-width: 1180px) {
    .floating-service { display: none; }
    .grid-5 { grid-template-columns: repeat(3, minmax(0,1fr)); }
}
@media (max-width: 960px) {
    .top-nav { grid-template-columns: 150px 1fr 100px; gap: 16px; }
    .nav-core { gap: 15px; }
    .nav-core a { font-size: 14px; }
    .brand-intro, .page-hero { grid-template-columns: 1fr; }
    .quick-categories { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .grid-3 { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .compliance-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .footer-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 760px) {
    .site-header { background: rgba(255,255,255,.97); }
    .top-nav { height: 68px; grid-template-columns: 46px 1fr 86px; gap: 8px; }
    .menu-toggle { display: block; justify-self: start; }
    .brand-logo { justify-self: center; width: 130px; height: 44px; }
    .brand-logo img { max-height: 40px; }
    .nav-core, .channel-bar { display: none; }
    .header-register { min-height: 38px; padding: 0 17px; font-size: 14px; }
    .page-main { padding-top: 68px; }
    .banner-wrap { padding: 18px 12px 16px; }
    .banner-slider { min-height: 170px; border-radius: 18px; aspect-ratio: 16 / 7.5; }
    .slider-arrow { width: 36px; height: 36px; font-size: 20px; }
    .slider-arrow.prev { left: 9px; }
    .slider-arrow.next { right: 9px; }
    .slider-dots { bottom: 9px; }
    .section { padding: 28px 0; }
    .section-head { align-items: start; flex-direction: column; gap: 8px; }
    .split, .grid-3, .grid-4, .grid-5, .article-grid { grid-template-columns: 1fr; }
    .quick-categories { grid-template-columns: 1fr; }
    .quick-category { border-radius: 18px; }
    .content-img, .media-card .content-img { height: 190px; }
    .page-hero { margin-top: 20px; padding: 28px 22px; }
    .page-hero h1 { font-size: 34px; }
    .compliance-grid, .footer-grid { grid-template-columns: 1fr; }
    .site-footer { padding-bottom: 92px; }
    .mobile-bottom-nav { position: fixed; left: 10px; right: 10px; bottom: 10px; z-index: 90; display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.96); backdrop-filter: blur(12px); box-shadow: 0 14px 38px rgba(16,43,70,.18); overflow: hidden; padding-bottom: env(safe-area-inset-bottom); }
    .mobile-bottom-nav a { min-height: 58px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 2px; color: var(--muted); font-size: 12px; }
    .mobile-bottom-nav a span { width: 24px; height: 24px; border-radius: 9px; display: inline-flex; align-items: center; justify-content: center; background: var(--surface-blue); color: var(--primary); font-weight: 900; }
    .mobile-bottom-nav a.active { color: var(--primary-dark); font-weight: 800; }
    body { padding-bottom: 74px; }
}
@media (max-width: 420px) {
    .shell { width: min(100% - 22px, 1180px); }
    .brand-logo { width: 116px; }
    .header-register { padding: 0 14px; }
    .banner-slider { min-height: 158px; }
    .card, .zone-card, .info-card, .review-card, .content-panel { padding: 20px; }
}