* { box-sizing: border-box; }
:root {
    --bg: #F4FBFF;
    --white: #FFFFFF;
    --soft: #EAF7FF;
    --soft-2: #F2FAFF;
    --blue: #1CA8F6;
    --bright: #38C7FF;
    --deep: #0877C9;
    --cyan: #7FE4FF;
    --ink: #223044;
    --muted: #5F7082;
    --footer: #082A46;
    --shadow: 0 16px 40px rgba(8,119,201,.08);
    --border: 1px solid rgba(28,168,246,.12);
}
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.78;
    overflow-x: hidden;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
.container { width: min(1200px, calc(100% - 40px)); margin-inline: auto; }
.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1200;
    background: rgba(255,255,255,.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 24px rgba(8,119,201,.08);
}
.topbar { min-height: 76px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 26px; }
.brand-logo { display: inline-flex; align-items: center; min-width: 150px; }
.brand-logo img { width: 146px; max-height: 54px; object-fit: contain; }
.desktop-nav { display: flex; justify-content: center; align-items: center; gap: 10px; min-width: 0; }
.desktop-nav a { position: relative; padding: 10px 16px; border-radius: 999px; color: #1D2A3A; font-weight: 700; white-space: nowrap; }
.desktop-nav a:hover, .desktop-nav a.active { color: var(--deep); background: var(--soft); }
.desktop-nav a.active::after { content: ""; position: absolute; left: 30%; right: 30%; bottom: 4px; height: 2px; border-radius: 2px; background: var(--blue); }
.main-btn, .float-register {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #38C7FF 0%, #1CA8F6 48%, #0877C9 100%);
    color: #FFFFFF;
    border-radius: 999px;
    box-shadow: 0 12px 26px rgba(8,119,201,.18);
    font-weight: 800;
    border: 0;
}
.main-btn { min-width: 92px; min-height: 42px; padding: 0 22px; }
.main-btn:hover, .float-register:hover { transform: translateY(-1px); filter: brightness(1.03); }
.header-register { justify-self: end; }
.channel-wrap { border-top: 1px solid rgba(28,168,246,.10); background: rgba(234,247,255,.88); }
.channel-bar { display: flex; gap: 9px; overflow-x: auto; padding-block: 10px; scrollbar-width: thin; }
.channel-bar a { flex: 0 0 auto; padding: 7px 13px; border-radius: 999px; color: var(--muted); background: rgba(255,255,255,.88); font-size: 14px; white-space: nowrap; border: 1px solid transparent; }
.channel-bar a:hover, .channel-bar a.active { color: #fff; background: var(--blue); border-color: var(--blue); }
.site-main { padding-top: 134px; min-height: 70vh; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 9px; border: 0; border-radius: 12px; background: var(--soft); }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; background: var(--deep); border-radius: 3px; }
.drawer-mask { position: fixed; inset: 0; z-index: 1290; background: rgba(8,42,70,.42); opacity: 0; transition: opacity .22s ease; }
.drawer-mask.show { opacity: 1; }
.mobile-drawer { position: fixed; inset: 0 auto 0 0; z-index: 1300; width: min(84vw, 320px); background: #fff; transform: translateX(-105%); transition: transform .24s ease; box-shadow: 20px 0 50px rgba(8,42,70,.18); overflow-y: auto; }
.mobile-drawer.open { transform: translateX(0); }
.drawer-head { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; background: rgba(255,255,255,.96); border-bottom: var(--border); }
.drawer-head img { width: 138px; max-height: 48px; object-fit: contain; }
.drawer-head button { width: 40px; height: 40px; border: 0; border-radius: 12px; background: var(--soft); color: var(--deep); font-size: 28px; line-height: 1; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 16px; }
.drawer-nav a { padding: 11px 12px; border-radius: 12px; background: var(--soft-2); color: var(--ink); font-size: 15px; }
.drawer-nav a.active, .drawer-nav a:hover { color: var(--deep); background: var(--soft); }
.service-float { position: fixed; right: 18px; top: 50%; z-index: 900; transform: translateY(-50%); width: 108px; padding: 10px; display: grid; gap: 7px; background: rgba(255,255,255,.96); border: var(--border); border-radius: 18px; box-shadow: var(--shadow); }
.service-float a, .service-float button { text-align: center; padding: 8px 6px; border-radius: 11px; color: var(--deep); border: 0; background: var(--soft-2); cursor: pointer; font-size: 13px; }
.service-float .float-register { color: #fff; background: linear-gradient(135deg, #38C7FF, #0877C9); }
.page-section { padding: 32px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.section-head h2, .section-title, h1, h2, h3 { color: var(--deep); }
.section-head h2, .section-title { margin: 0; font-size: clamp(25px, 3vw, 36px); line-height: 1.28; }
.section-head p { max-width: 640px; margin: 0; color: var(--muted); }
.eyebrow { display: inline-flex; padding: 6px 12px; border-radius: 999px; background: var(--soft); color: var(--deep); font-size: 13px; font-weight: 800; letter-spacing: .04em; }
.text-link { color: var(--blue); font-weight: 800; }
.text-link:hover { color: var(--deep); }
.card, .zone-card, .info-card, .review-card, .faq-item, .page-hero, .notice-bar, .compliance-box {
    background: #FFFFFF;
    border: var(--border);
    box-shadow: var(--shadow);
    border-radius: 22px;
}
.banner-slider { max-width: 1200px; margin: 24px auto 34px; border-radius: 22px; background: #FFFFFF; box-shadow: 0 16px 40px rgba(8,119,201,.10); overflow: hidden; position: relative; z-index: 1; }
.banner-track { position: relative; aspect-ratio: 16 / 6; min-height: 220px; background: #fff; }
.banner-slide { position: absolute; inset: 0; opacity: 0; pointer-events: none; transition: opacity .45s ease; }
.banner-slide.active { opacity: 1; pointer-events: auto; }
.banner-slider img { width: 100%; height: 100%; object-fit: contain; background: #FFFFFF; }
.banner-arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 4; width: 44px; height: 44px; border: 0; border-radius: 50%; background: rgba(255,255,255,.9); color: var(--deep); box-shadow: 0 8px 22px rgba(8,119,201,.16); cursor: pointer; font-size: 24px; }
.banner-arrow.prev { left: 16px; } .banner-arrow.next { right: 16px; }
.banner-dots { position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%); z-index: 5; display: flex; gap: 8px; }
.banner-dots button { width: 9px; height: 9px; padding: 0; border: 0; border-radius: 50%; background: rgba(8,119,201,.28); cursor: pointer; }
.banner-dots button.active { width: 28px; border-radius: 999px; background: var(--blue); }
.intro-split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; align-items: stretch; }
.intro-copy { padding: clamp(24px, 4vw, 48px); }
.intro-copy h1 { margin: 10px 0 16px; font-size: clamp(34px, 5vw, 58px); line-height: 1.12; }
.intro-copy p { margin: 0 0 18px; color: var(--muted); }
.intro-copy .actions { display: flex; gap: 12px; flex-wrap: wrap; }
.intro-aside { padding: 28px; background: linear-gradient(145deg, #EAF7FF, #FFFFFF); display: grid; gap: 14px; }
.intro-aside h2 { margin: 0; font-size: 24px; }
.service-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.service-list li { position: relative; padding-left: 22px; color: var(--muted); }
.service-list li::before { content: ""; position: absolute; left: 0; top: .72em; width: 9px; height: 9px; border-radius: 50%; background: linear-gradient(135deg, var(--cyan), var(--deep)); }
.quick-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.quick-item { padding: 18px; border-radius: 18px; background: #fff; border: var(--border); box-shadow: 0 12px 30px rgba(8,119,201,.06); }
.quick-item h3 { margin: 0 0 8px; font-size: 18px; }
.quick-item p { min-height: 48px; margin: 0 0 8px; color: var(--muted); font-size: 14px; }
.notice-bar { padding: 24px 28px; background: linear-gradient(90deg, #FFFFFF 0%, #EAF7FF 100%); }
.notice-bar p { margin: 0; color: var(--muted); }
.info-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.info-card { padding: 22px; }
.info-number { display: inline-flex; width: 38px; height: 38px; align-items: center; justify-content: center; border-radius: 12px; background: var(--soft); color: var(--deep); font-weight: 900; }
.info-card h3 { margin: 14px 0 8px; }
.info-card p { margin: 0; color: var(--muted); font-size: 14px; }
.two-grid, .three-grid { display: grid; gap: 20px; }
.two-grid { grid-template-columns: repeat(2, 1fr); }
.three-grid { grid-template-columns: repeat(3, 1fr); }
.zone-card { overflow: hidden; }
.zone-card img, .content-img, .app-section img { width: 100%; height: auto; max-height: 300px; object-fit: contain; background: #fff; }
.zone-body { padding: 24px; }
.zone-body h2, .zone-body h3 { margin: 0 0 10px; }
.zone-body p { margin: 0 0 12px; color: var(--muted); }
.zone-body ul { margin: 0 0 12px; padding-left: 20px; color: var(--muted); }
.horizontal-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.review-card { padding: 22px; }
.review-card p { margin: 0; color: var(--muted); }
.review-card strong { display: block; margin-top: 12px; color: var(--deep); }
.faq-list { display: grid; gap: 12px; }
.faq-item { padding: 20px 22px; }
.faq-item h3 { margin: 0 0 8px; font-size: 18px; }
.faq-item p { margin: 0; color: var(--muted); }
.page-hero { display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px; padding: clamp(26px, 5vw, 56px); align-items: center; overflow: hidden; background: linear-gradient(135deg, #FFFFFF, #EAF7FF); }
.page-hero.no-image { grid-template-columns: 1fr; }
.page-hero h1 { margin: 12px 0 14px; font-size: clamp(34px, 5vw, 56px); line-height: 1.16; }
.page-hero p { margin: 0; color: var(--muted); max-width: 780px; }
.page-hero img { width: 100%; max-height: 340px; object-fit: contain; }
.rich-copy { padding: 26px; }
.rich-copy h2 { margin-top: 0; }
.rich-copy p { color: var(--muted); }
.point-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.point-card { padding: 22px; border-radius: 18px; background: #fff; border: var(--border); }
.point-card h3 { margin: 0 0 8px; }
.point-card p { margin: 0; color: var(--muted); }
.compliance-box { padding: 24px; background: linear-gradient(135deg, #FFFFFF, #EDF8FF); }
.compliance-box h2 { margin-top: 0; }
.compliance-box p { margin-bottom: 0; color: var(--muted); }
.app-feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.app-feature { padding: 22px; border-radius: 18px; background: #fff; border: var(--border); }
.app-feature h3 { margin-top: 0; }
.app-feature p { margin-bottom: 0; color: var(--muted); }
.contact-steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.contact-step { padding: 22px; border-radius: 18px; background: #fff; border: var(--border); }
.contact-step::before { counter-increment: step; content: counter(step, decimal-leading-zero); display: inline-flex; color: var(--deep); font-weight: 900; margin-bottom: 10px; }
.site-footer { margin-top: 42px; padding: 54px 0 22px; background: #082A46; color: #EAF8FF; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 34px; }
.footer-brand img { width: 150px; max-height: 56px; object-fit: contain; filter: brightness(0) invert(1); }
.footer-grid h2 { margin: 0 0 12px; color: #fff; font-size: 18px; }
.footer-grid a { display: block; color: rgba(234,248,255,.78); margin: 7px 0; }
.footer-grid p { color: rgba(234,248,255,.74); }
.footer-note { margin-top: 30px; padding-top: 20px; border-top: 1px solid rgba(234,248,255,.14); display: flex; justify-content: space-between; gap: 20px; color: rgba(234,248,255,.65); font-size: 13px; }
.footer-note p { margin: 0; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1080px) {
    .service-float { display: none; }
    .info-grid { grid-template-columns: repeat(2, 1fr); }
    .review-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-grid > div:last-child { grid-column: 2 / -1; }
}
@media (max-width: 820px) {
    .container { width: min(100% - 28px, 1200px); }
    .site-header { background: rgba(255,255,255,.97); }
    .topbar { min-height: 68px; grid-template-columns: 42px 1fr auto; gap: 12px; }
    .menu-toggle { display: block; }
    .brand-logo { min-width: 0; justify-content: center; }
    .brand-logo img { width: 132px; max-height: 46px; }
    .desktop-nav, .channel-wrap { display: none; }
    .header-register { min-width: 74px; min-height: 38px; padding-inline: 16px; }
    .site-main { padding-top: 84px; padding-bottom: 76px; }
    .banner-slider { margin-top: 12px; border-radius: 16px; }
    .banner-track { aspect-ratio: 16 / 8; min-height: 190px; }
    .banner-arrow { width: 38px; height: 38px; }
    .intro-split, .page-hero { grid-template-columns: 1fr; }
    .quick-grid, .three-grid, .horizontal-cards, .point-grid, .contact-steps { grid-template-columns: repeat(2, 1fr); }
    .two-grid { grid-template-columns: 1fr; }
    .app-feature-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-brand { grid-column: 1 / -1; }
    .footer-grid > div:last-child { grid-column: auto; }
    .mobile-bottom-nav { position: fixed; z-index: 1100; left: 12px; right: 12px; bottom: max(10px, env(safe-area-inset-bottom)); display: grid; grid-template-columns: repeat(4, 1fr); padding: 8px; border-radius: 18px; background: rgba(255,255,255,.96); border: var(--border); box-shadow: 0 14px 40px rgba(8,42,70,.18); backdrop-filter: blur(12px); }
    .mobile-bottom-nav a { text-align: center; padding: 9px 4px; border-radius: 12px; color: var(--deep); font-weight: 800; font-size: 13px; }
    .mobile-bottom-nav a:hover { background: var(--soft); }
}
@media (max-width: 560px) {
    .page-section { padding: 24px 0; }
    .section-head { display: block; }
    .section-head p { margin-top: 8px; }
    .banner-track { min-height: 158px; }
    .quick-grid, .info-grid, .three-grid, .horizontal-cards, .review-grid, .point-grid, .contact-steps, .footer-grid { grid-template-columns: 1fr; }
    .quick-item p { min-height: 0; }
    .intro-copy, .intro-aside, .zone-body, .rich-copy { padding: 22px; }
    .page-hero { padding: 24px; }
    .page-hero h1 { font-size: 34px; }
    .footer-brand, .footer-grid > div:last-child { grid-column: auto; }
    .footer-note { display: block; }
    .footer-note p + p { margin-top: 10px; }
}