:root {
    --bg: #F4FBFF;
    --surface: #FFFFFF;
    --surface-soft: #EAF7FF;
    --surface-alt: #F2FAFF;
    --primary: #1CA8F6;
    --primary-light: #38C7FF;
    --primary-dark: #0877C9;
    --cyan: #7FE4FF;
    --text: #223044;
    --heading: #0877C9;
    --muted: #5F7082;
    --muted-2: #7A8A9A;
    --footer: #082A46;
    --shadow: 0 16px 40px rgba(8,119,201,.10);
    --border: 1px solid rgba(28,168,246,.13);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
img { max-width: 100%; display: block; }
.container { width: min(1180px, calc(100% - 36px)); margin: 0 auto; }
.site-main { padding-top: 126px; min-height: 60vh; }
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 80;
    background: rgba(255,255,255,.94);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 24px rgba(8,119,201,.08);
}
.header-inner {
    width: min(1180px, calc(100% - 36px));
    height: 76px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 190px 1fr auto;
    align-items: center;
    gap: 22px;
}
.brand-logo { display: inline-flex; align-items: center; min-width: 0; }
.brand-logo img { width: 154px; max-height: 52px; object-fit: contain; }
.nav-core { display: flex; justify-content: center; align-items: center; gap: clamp(18px, 3vw, 38px); white-space: nowrap; }
.nav-core a { color: #1D2A3A; position: relative; font-weight: 700; padding: 8px 4px; }
.nav-core a:hover, .nav-core a.active { color: var(--primary); }
.nav-core a.active::after { content: ""; position: absolute; left: 50%; bottom: -13px; width: 28px; height: 3px; border-radius: 999px; background: var(--primary); transform: translateX(-50%); }
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    background: linear-gradient(135deg, #38C7FF 0%, #1CA8F6 48%, #0877C9 100%);
    color: #fff;
    min-height: 42px;
    padding: 0 24px;
    border-radius: 999px;
    font-weight: 800;
    box-shadow: 0 12px 26px rgba(8,119,201,.18);
    transition: .2s ease;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 15px 30px rgba(8,119,201,.25); }
.header-register { flex-shrink: 0; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 9px; border: 0; background: #EAF7FF; border-radius: 12px; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; background: var(--primary-dark); border-radius: 999px; }
.channel-bar { background: rgba(234,247,255,.88); border-top: 1px solid rgba(28,168,246,.10); border-bottom: 1px solid rgba(28,168,246,.10); overflow-x: auto; white-space: nowrap; scrollbar-width: thin; }
.channel-inner { width: min(1180px, calc(100% - 36px)); margin: 0 auto; display: flex; gap: 8px; padding: 8px 0; }
.channel-bar a { color: var(--muted); border-radius: 999px; padding: 5px 12px; font-size: 14px; }
.channel-bar a:hover, .channel-bar a.active { color: var(--primary-dark); background: rgba(28,168,246,.09); }
.drawer-overlay { position: fixed; inset: 0; z-index: 98; background: rgba(8,42,70,.45); opacity: 0; transition: opacity .22s ease; }
.drawer-overlay.visible { opacity: 1; }
.mobile-drawer { position: fixed; top: 0; left: 0; width: min(84vw, 320px); height: 100dvh; z-index: 99; background: #fff; box-shadow: 20px 0 50px rgba(8,42,70,.18); transform: translateX(-105%); transition: transform .24s ease; overflow-y: auto; }
.mobile-drawer.open { transform: translateX(0); }
.drawer-head { position: sticky; top: 0; display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; background: #fff; border-bottom: var(--border); z-index: 1; }
.drawer-head img { width: 138px; max-height: 48px; object-fit: contain; }
.drawer-close { width: 38px; height: 38px; border: 0; border-radius: 50%; background: #EAF7FF; color: var(--primary-dark); font-size: 26px; line-height: 1; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 16px; }
.drawer-nav a { padding: 11px 12px; border-radius: 12px; background: #F4FBFF; color: #1D2A3A; font-size: 14px; }
.drawer-nav a:hover { background: #EAF7FF; color: var(--primary-dark); }
body.drawer-open { overflow: hidden; }
.banner-slider { width: min(1200px, calc(100% - 36px)); height: clamp(280px, 31vw, 380px); margin: 24px auto 34px; border-radius: 22px; background: #fff; box-shadow: var(--shadow); overflow: hidden; position: relative; z-index: 1; }
.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,.90); color: var(--primary); box-shadow: 0 8px 20px rgba(8,119,201,.14); cursor: pointer; font-size: 25px; }
.slider-prev { left: 16px; }
.slider-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: none; background: rgba(28,168,246,.28); cursor: pointer; }
.slider-dots button.active { background: var(--primary); }
.hero-section, .page-hero { padding: 30px 0 20px; }
.hero-grid, .page-hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: center; }
.hero-copy, .page-hero-copy { background: linear-gradient(135deg, #FFFFFF 0%, #EDF8FF 100%); border: var(--border); border-radius: 24px; padding: clamp(26px, 4vw, 50px); box-shadow: var(--shadow); }
.eyebrow { display: inline-block; color: var(--primary); font-weight: 800; letter-spacing: .08em; margin-bottom: 10px; }
h1, h2, h3, .section-title { color: var(--heading); line-height: 1.35; }
h1 { font-size: clamp(30px, 4vw, 52px); margin: 0 0 18px; }
h2 { font-size: clamp(24px, 3vw, 34px); margin: 0 0 14px; }
h3 { font-size: 20px; margin: 0 0 10px; }
p { margin: 0 0 14px; }
.lead { font-size: 17px; color: #33455B; }
.hero-actions { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-top: 22px; }
.text-link { color: var(--primary-dark); font-weight: 800; }
.text-link:hover { color: var(--primary); }
.hero-visual, .content-visual { border-radius: 24px; background: #fff; border: var(--border); box-shadow: var(--shadow); padding: 18px; min-height: 260px; display: flex; align-items: center; justify-content: center; }
.hero-visual img, .content-visual img { width: 100%; max-height: 360px; object-fit: contain; }
.section { padding: 36px 0; }
.section-soft { background: linear-gradient(180deg, rgba(234,247,255,.72), rgba(244,251,255,.25)); }
.section-head { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 22px; }
.section-head p { color: var(--muted); max-width: 720px; }
.grid-2, .grid-3, .grid-4 { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card, .zone-card, .info-card, .review-card, .faq-item, .notice-card { background: #fff; border: var(--border); box-shadow: var(--shadow); border-radius: 20px; }
.card, .info-card, .review-card, .notice-card { padding: 24px; }
.zone-card { overflow: hidden; }
.zone-card .card-media { height: 185px; padding: 14px; background: #F8FDFF; display: flex; align-items: center; justify-content: center; }
.zone-card img { width: 100%; height: 100%; object-fit: contain; }
.zone-card .card-body { padding: 22px; }
.zone-card p, .card p, .info-card p, .review-card p { color: #4A5B6F; }
.num { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 12px; color: var(--primary); background: #EAF7FF; font-weight: 900; margin-bottom: 14px; }
.pill-nav { display: flex; flex-wrap: wrap; gap: 12px; }
.pill-item { flex: 1 1 220px; min-height: 120px; padding: 18px; border-radius: 18px; background: #fff; border: var(--border); box-shadow: 0 10px 28px rgba(8,119,201,.07); }
.pill-item strong { display: block; color: var(--heading); margin-bottom: 5px; }
.pill-item span { display: block; color: var(--muted); font-size: 14px; margin-bottom: 7px; }
.platform-strip { background: linear-gradient(135deg, #FFFFFF 0%, #EAF7FF 100%); border: var(--border); border-radius: 22px; padding: 26px 30px; box-shadow: var(--shadow); }
.check-list { margin: 16px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.check-list li { position: relative; padding-left: 28px; color: #41536A; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--primary); font-weight: 900; }
.content-split { display: grid; grid-template-columns: .92fr 1.08fr; gap: 28px; align-items: center; }
.content-split.reverse { grid-template-columns: 1.08fr .92fr; }
.content-split.reverse .content-visual { order: 2; }
.content-panel { padding: 28px; border-radius: 22px; background: #fff; border: var(--border); box-shadow: var(--shadow); }
.tag { display: inline-block; color: var(--primary); background: #EAF7FF; border-radius: 999px; padding: 5px 11px; font-size: 13px; font-weight: 800; margin-bottom: 12px; }
.review-card strong { display: block; color: var(--heading); margin-bottom: 8px; }
.faq-list { display: grid; gap: 14px; }
.faq-item { padding: 0; overflow: hidden; }
.faq-item details { padding: 18px 22px; }
.faq-item summary { cursor: pointer; font-weight: 800; color: var(--heading); }
.faq-item details p { margin-top: 12px; color: #4A5B6F; }
.notice-card { border-left: 4px solid var(--primary); }
.page-hero { padding-top: 38px; }
.page-hero-copy h1 { font-size: clamp(30px, 4vw, 48px); }
.breadcrumbs { color: var(--muted-2); font-size: 14px; margin-bottom: 10px; }
.floating-service { position: fixed; right: 18px; top: 42%; z-index: 60; display: grid; gap: 8px; width: 92px; }
.floating-service a, .floating-service button { min-height: 42px; display: flex; align-items: center; justify-content: center; background: #fff; color: var(--primary-dark); border: 1px solid rgba(28,168,246,.14); box-shadow: 0 14px 30px rgba(8,119,201,.10); border-radius: 12px; font-size: 13px; cursor: pointer; }
.floating-service a.register-link { background: linear-gradient(135deg, #38C7FF 0%, #1CA8F6 48%, #0877C9 100%); color: #fff; border: 0; font-weight: 800; }
.compliance-strip { padding: 36px 0; background: #EAF7FF; border-top: 1px solid rgba(28,168,246,.12); }
.compliance-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.compliance-grid > div { background: rgba(255,255,255,.82); border: var(--border); border-radius: 16px; padding: 18px; }
.compliance-grid strong { color: var(--heading); display: block; margin-bottom: 6px; }
.compliance-grid p { color: var(--muted); font-size: 14px; margin: 0; }
.site-footer { background: var(--footer); color: #EAF8FF; padding: 46px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 36px; }
.footer-brand img { width: 158px; max-height: 52px; object-fit: contain; background: rgba(255,255,255,.94); padding: 5px 10px; border-radius: 12px; margin-bottom: 14px; }
.footer-brand p { color: #BBD8EC; max-width: 410px; }
.site-footer h2 { color: #fff; font-size: 17px; margin-bottom: 14px; }
.site-footer a { display: block; color: #BBD8EC; margin: 8px 0; font-size: 14px; }
.site-footer a:hover { color: #fff; }
.footer-bottom { margin-top: 32px; padding: 16px; text-align: center; color: #9FC4DB; border-top: 1px solid rgba(255,255,255,.10); font-size: 13px; }
.mobile-bottom-nav { display: none; }
.contact-box { display: grid; gap: 12px; }
.contact-row { padding: 16px; background: #F4FBFF; border-radius: 14px; }
.contact-row strong { display: block; color: var(--heading); }
.small-note { color: var(--muted-2); font-size: 14px; }
@media (max-width: 1080px) {
    .floating-service { display: none; }
    .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .header-inner { grid-template-columns: 170px 1fr auto; gap: 12px; }
    .nav-core { gap: 18px; }
}
@media (max-width: 820px) {
    .site-main { padding-top: 74px; }
    .header-inner { height: 74px; width: calc(100% - 24px); grid-template-columns: 44px 1fr auto; gap: 10px; }
    .menu-toggle { display: block; }
    .brand-logo { justify-content: center; }
    .brand-logo img { width: 132px; max-height: 46px; }
    .nav-core, .channel-bar { display: none; }
    .header-register { min-height: 38px; padding: 0 18px; font-size: 14px; }
    .hero-grid, .page-hero-grid, .content-split, .content-split.reverse { grid-template-columns: 1fr; }
    .content-split.reverse .content-visual { order: initial; }
    .grid-3 { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
    .footer-grid > div:last-child { grid-column: 2 / 4; }
    .compliance-grid { grid-template-columns: 1fr; }
    .banner-slider { height: clamp(220px, 42vw, 300px); margin-top: 18px; }
}
@media (max-width: 560px) {
    .container { width: min(100% - 24px, 1180px); }
    .site-main { padding-bottom: 74px; }
    .header-inner { width: calc(100% - 18px); }
    .brand-logo img { width: 118px; }
    .header-register { min-height: 36px; padding: 0 15px; }
    .banner-slider { width: calc(100% - 20px); height: clamp(160px, 50vw, 220px); margin: 12px auto 26px; border-radius: 16px; }
    .slider-arrow { width: 38px; height: 38px; font-size: 21px; }
    .slider-prev { left: 8px; }
    .slider-next { right: 8px; }
    .hero-section, .page-hero { padding-top: 20px; }
    .hero-copy, .page-hero-copy, .content-panel { padding: 22px; border-radius: 18px; }
    h1 { font-size: 30px; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .section { padding: 28px 0; }
    .section-head { display: block; }
    .section-head p { margin-top: 8px; }
    .zone-card .card-media { height: 160px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .footer-brand { grid-column: 1 / 3; }
    .footer-grid > div:last-child { grid-column: auto; }
    .mobile-bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 85; display: grid; grid-template-columns: repeat(4, 1fr); background: rgba(255,255,255,.96); backdrop-filter: blur(12px); border-top: 1px solid rgba(28,168,246,.16); box-shadow: 0 -10px 25px rgba(8,119,201,.10); padding-bottom: env(safe-area-inset-bottom); }
    .mobile-bottom-nav a { text-align: center; padding: 13px 4px; color: var(--muted); font-size: 13px; font-weight: 700; }
    .mobile-bottom-nav a:hover { color: var(--primary-dark); }
}