:root {
    --bg: #F4FBFF;
    --surface: #FFFFFF;
    --surface-soft: #EAF7FF;
    --surface-faint: #F2FAFF;
    --primary: #1CA8F6;
    --primary-bright: #38C7FF;
    --primary-dark: #0877C9;
    --cyan: #7FE4FF;
    --ink: #223044;
    --ink-strong: #1D2A3A;
    --muted: #5F7082;
    --soft-text: #7A8A9A;
    --footer: #082A46;
    --border: rgba(28, 168, 246, .14);
    --shadow: 0 16px 40px rgba(8, 119, 201, .09);
    --radius: 22px;
    --header-h: 126px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 0;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--ink);
    font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.75;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 9999; padding: 10px 16px; border-radius: 10px; background: var(--primary-dark); color: #fff; }
.skip-link:focus { top: 12px; }
.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 100;
    background: rgba(255,255,255,.94);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 24px rgba(8,119,201,.08);
}
.header-main { height: 76px; display: grid; grid-template-columns: 210px 1fr auto; align-items: center; gap: 24px; }
.brand-logo { justify-self: start; }
.brand-logo img { width: 168px; height: 54px; object-fit: contain; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: clamp(18px, 2.8vw, 38px); white-space: nowrap; }
.nav-core a { color: var(--ink-strong); position: relative; font-weight: 700; padding: 13px 4px; }
.nav-core a:hover, .nav-core a.active { color: var(--primary); }
.nav-core a.active::after { content: ""; position: absolute; left: 50%; bottom: 1px; width: 28px; height: 3px; border-radius: 999px; background: var(--primary); transform: translateX(-50%); }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 25px; border: 0; border-radius: 999px; color: #fff; font-weight: 800; background: linear-gradient(135deg, #38C7FF 0%, #1CA8F6 48%, #0877C9 100%); box-shadow: 0 12px 26px rgba(8,119,201,.18); transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 32px rgba(8,119,201,.24); }
.header-register { justify-self: end; white-space: nowrap; }
.channel-bar { height: 50px; overflow-x: auto; overflow-y: hidden; white-space: nowrap; background: rgba(234,247,255,.88); border-top: 1px solid rgba(28,168,246,.10); border-bottom: 1px solid rgba(28,168,246,.10); scrollbar-width: thin; }
.channel-inner { height: 100%; display: flex; align-items: center; gap: 8px; }
.channel-bar a { display: inline-flex; align-items: center; min-height: 31px; padding: 5px 13px; border-radius: 999px; color: var(--muted); font-size: 14px; font-weight: 650; }
.channel-bar a:hover, .channel-bar a.active { color: var(--primary-dark); background: rgba(28,168,246,.10); }
.site-main { padding-top: var(--header-h); min-height: 70vh; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--border); border-radius: 14px; background: #fff; }
.menu-toggle span { display: block; width: 100%; height: 2px; margin: 5px 0; border-radius: 99px; background: var(--primary-dark); }
.mobile-drawer { position: fixed; z-index: 220; inset: 0 auto 0 0; width: min(84vw, 320px); padding: 18px; background: #fff; box-shadow: 20px 0 50px rgba(8,42,70,.16); transform: translateX(-104%); transition: transform .24s ease; overflow-y: auto; }
.mobile-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.drawer-head img { width: 150px; height: 46px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 13px; background: var(--surface-soft); color: var(--primary-dark); font-size: 28px; line-height: 1; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; padding: 16px 0 28px; }
.drawer-nav a { padding: 10px 12px; border-radius: 12px; background: var(--surface-faint); color: var(--ink); font-size: 14px; font-weight: 650; }
.drawer-nav a.active, .drawer-nav a:hover { background: var(--surface-soft); color: var(--primary-dark); }
.drawer-overlay { position: fixed; z-index: 210; inset: 0; background: rgba(8,42,70,.42); opacity: 0; transition: opacity .22s ease; }
.drawer-overlay.show { opacity: 1; }
.floating-service { position: fixed; right: 18px; top: 42%; z-index: 60; display: grid; gap: 8px; width: 94px; }
.floating-service a, .floating-service button { display: flex; justify-content: center; align-items: center; min-height: 42px; border: 1px solid var(--border); border-radius: 14px; background: #fff; color: var(--primary-dark); box-shadow: 0 14px 30px rgba(8,119,201,.10); font-size: 13px; font-weight: 700; }
.floating-service .register-link { border: 0; background: linear-gradient(135deg, #38C7FF 0%, #1CA8F6 48%, #0877C9 100%); color: #fff; }
.floating-service button { width: 100%; }
.section { padding: 54px 0; }
.section.compact { padding: 36px 0; }
.section-head { max-width: 760px; margin-bottom: 24px; }
.section-kicker { margin: 0 0 4px; color: var(--primary); font-size: 14px; font-weight: 800; letter-spacing: .08em; }
h1, h2, h3, .section-title { color: var(--primary-dark); line-height: 1.28; }
h1 { margin: 0 0 18px; font-size: clamp(34px, 5vw, 58px); }
h2 { margin: 0 0 14px; font-size: clamp(25px, 3.5vw, 36px); }
h3 { margin: 0 0 10px; font-size: 21px; }
p { margin: 0 0 15px; }
.text-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary-dark); font-weight: 800; }
.text-link::after { content: "›"; font-size: 20px; }
.hero { padding: 54px 0 44px; background: radial-gradient(circle at 82% 18%, rgba(127,228,255,.34), transparent 28%), linear-gradient(180deg, #fff 0%, #F4FBFF 100%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 42px; }
.hero-copy { max-width: 680px; }
.hero-copy .lead { color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 26px; }
.hero-visual, .image-panel { min-width: 0; padding: 20px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.hero-visual img { width: 100%; height: 300px; object-fit: contain; }
.hero-visual.text-visual { min-height: 300px; display: grid; place-items: center; background: linear-gradient(145deg, #fff, #EAF7FF); }
.hero-visual.text-visual .visual-mark { width: 170px; height: 170px; display: grid; place-items: center; border-radius: 42px; background: linear-gradient(135deg, rgba(56,199,255,.18), rgba(8,119,201,.14)); color: var(--primary-dark); font-size: 42px; font-weight: 900; }
.banner-slider { width: min(1180px, calc(100% - 40px)); height: clamp(280px, 31vw, 380px); margin: 24px auto 34px; border-radius: 22px; background: #fff; box-shadow: 0 16px 40px rgba(8,119,201,.10); 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%; z-index: 3; width: 45px; height: 45px; transform: translateY(-50%); border: 0; border-radius: 999px; background: rgba(255,255,255,.88); color: var(--primary); box-shadow: 0 8px 20px rgba(8,119,201,.14); font-size: 28px; }
.slider-arrow.prev { left: 14px; }
.slider-arrow.next { right: 14px; }
.slider-dots { position: absolute; left: 50%; bottom: 14px; z-index: 3; display: flex; gap: 8px; transform: translateX(-50%); }
.slider-dots button { width: 10px; height: 10px; padding: 0; border: 0; border-radius: 50%; background: rgba(28,168,246,.24); }
.slider-dots button.active { background: var(--primary); }
.card, .zone-card, .info-card, .review-card, .faq-item, .notice-box, .content-strip { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.card, .zone-card, .info-card, .review-card { border-radius: 20px; }
.card { padding: 26px; }
.card p:last-child { margin-bottom: 0; }
.card img, .zone-card img { width: 100%; height: 180px; margin-bottom: 18px; border-radius: 16px; object-fit: contain; background: var(--surface-faint); }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.content-strip { padding: 28px 32px; border-radius: 20px; background: linear-gradient(120deg, #fff 0%, #EDF8FF 100%); }
.info-card { padding: 24px; }
.info-card .num { display: inline-grid; place-items: center; width: 42px; height: 42px; margin-bottom: 16px; border-radius: 14px; color: var(--primary); background: var(--surface-soft); font-weight: 900; }
.capsule-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.capsule { padding: 18px 20px; border: 1px solid var(--border); border-radius: 18px; background: #fff; }
.capsule strong { display: block; margin-bottom: 5px; color: var(--primary-dark); }
.capsule p { margin: 0 0 8px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.zone-card { overflow: hidden; }
.zone-card .zone-body { padding: 22px; }
.zone-card .zone-body p { color: var(--muted); }
.feature-list { display: grid; gap: 12px; margin: 18px 0 0; padding: 0; list-style: none; }
.feature-list li { position: relative; padding-left: 24px; }
.feature-list li::before { content: ""; position: absolute; left: 0; top: .72em; width: 9px; height: 9px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 5px rgba(28,168,246,.10); }
.review-card { padding: 24px; }
.review-card .review-name { margin-top: 16px; color: var(--primary-dark); font-weight: 800; }
.faq-list { display: grid; gap: 14px; }
.faq-item { border-radius: 18px; overflow: hidden; }
.faq-item details { padding: 0 22px; }
.faq-item summary { padding: 20px 0; color: var(--primary-dark); font-weight: 800; cursor: pointer; }
.faq-item p { padding: 0 0 20px; color: var(--muted); }
.notice-box { padding: 24px 28px; border-radius: 18px; background: linear-gradient(120deg, #fff, #EDF8FF); }
.notice-box strong { color: var(--primary-dark); }
.page-content { padding: 48px 0 58px; }
.page-content .content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 28px; align-items: start; }
.article-stack { display: grid; gap: 22px; }
.article-card { padding: 28px; border-radius: 20px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.article-card p { color: var(--muted); }
.article-card p:last-child { margin-bottom: 0; }
.side-panel { position: sticky; top: calc(var(--header-h) + 24px); display: grid; gap: 18px; }
.side-panel .card { padding: 22px; }
.side-links { display: grid; gap: 10px; }
.side-links a { padding: 11px 13px; border-radius: 12px; background: var(--surface-faint); color: var(--primary-dark); font-weight: 700; }
.site-footer { padding: 56px 0 90px; background: var(--footer); color: #EAF8FF; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 34px; }
.site-footer h2 { margin-bottom: 14px; color: #fff; font-size: 18px; }
.site-footer a { display: block; margin: 8px 0; color: #D8F3FF; }
.site-footer a:hover { color: #fff; }
.footer-brand img { width: 170px; height: 52px; margin-bottom: 16px; object-fit: contain; filter: drop-shadow(0 4px 12px rgba(255,255,255,.10)); }
.footer-brand p { max-width: 430px; color: #C7E8F7; }
.legal-note { margin-top: 34px; padding-top: 24px; border-top: 1px solid rgba(234,248,255,.16); color: #B9DCEB; font-size: 13px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1240px) {
    .floating-service { display: none; }
}
@media (max-width: 960px) {
    :root { --header-h: 76px; }
    .container { width: min(100% - 30px, 1180px); }
    .header-main { grid-template-columns: 1fr auto; height: 76px; }
    .brand-logo { justify-self: start; }
    .nav-core { display: none; }
    .channel-bar { display: none; }
    .menu-toggle { display: block; position: absolute; left: 15px; top: 16px; }
    .brand-logo { margin-left: 56px; }
    .brand-logo img { width: 145px; height: 47px; }
    .header-register { padding: 9px 18px; min-height: 42px; }
    .hero-grid, .page-content .content-grid { grid-template-columns: 1fr; }
    .side-panel { position: static; grid-template-columns: 1fr 1fr; }
    .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-3, .capsule-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
    .footer-grid section:last-child { grid-column: 2 / 4; }
    .banner-slider { height: clamp(220px, 34vw, 300px); }
}
@media (max-width: 640px) {
    :root { --header-h: 68px; }
    body { padding-bottom: calc(66px + env(safe-area-inset-bottom)); }
    .container { width: min(100% - 24px, 1180px); }
    .site-header, .header-main { height: 68px; }
    .header-main { grid-template-columns: 1fr auto; gap: 8px; }
    .menu-toggle { left: 12px; top: 12px; }
    .brand-logo { margin-left: 47px; }
    .brand-logo img { width: 118px; height: 42px; }
    .header-register { min-height: 38px; padding: 7px 14px; font-size: 14px; }
    .section { padding: 38px 0; }
    .hero { padding: 36px 0 30px; }
    h1 { font-size: 36px; }
    h2 { font-size: 27px; }
    .hero-copy .lead { font-size: 16px; }
    .hero-visual img { height: 220px; }
    .hero-visual.text-visual { min-height: 220px; }
    .banner-slider { width: calc(100% - 24px); height: clamp(160px, 52vw, 220px); margin: 14px auto 24px; border-radius: 16px; }
    .slider-arrow { width: 38px; height: 38px; font-size: 23px; }
    .grid-2, .grid-3, .grid-4, .capsule-grid, .side-panel { grid-template-columns: 1fr; }
    .card, .info-card, .review-card, .article-card { padding: 21px; }
    .card img, .zone-card img { height: 155px; }
    .content-strip { padding: 23px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-grid section:last-child { grid-column: auto; }
    .site-footer { padding-bottom: 30px; }
    .mobile-bottom-nav { position: fixed; z-index: 130; inset: auto 0 0; display: grid; grid-template-columns: repeat(4, 1fr); padding-bottom: env(safe-area-inset-bottom); background: rgba(255,255,255,.96); backdrop-filter: blur(14px); border-top: 1px solid var(--border); box-shadow: 0 -8px 24px rgba(8,119,201,.10); }
    .mobile-bottom-nav a { display: grid; place-items: center; min-height: 62px; color: var(--muted); font-size: 13px; font-weight: 800; }
    .mobile-bottom-nav a:hover { color: var(--primary-dark); background: var(--surface-faint); }
}