:root {
    --bg: #F4FBFF;
    --surface: #FFFFFF;
    --surface-soft: #EAF7FF;
    --primary: #1CA8F6;
    --bright: #38C7FF;
    --deep: #0877C9;
    --cyan: #7FE4FF;
    --ink: #223044;
    --muted: #5F7082;
    --soft-text: #7A8A9A;
    --footer: #082A46;
    --shadow: 0 16px 40px rgba(8,119,201,.09);
    --radius: 22px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; line-height: 1.75; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }
.container { width: min(1180px, calc(100% - 36px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; 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: 74px; display: flex; align-items: center; gap: 24px; }
.brand-logo { width: 170px; flex: 0 0 auto; }
.brand-logo img { width: 100%; max-height: 52px; object-fit: contain; }
.nav-core { flex: 1; display: flex; justify-content: center; align-items: center; gap: 30px; white-space: nowrap; }
.nav-core a { color: #1D2A3A; position: relative; font-weight: 700; padding: 10px 2px; }
.nav-core a:hover, .nav-core a.active { color: var(--primary); }
.nav-core a.active::after { content: ""; position: absolute; left: 50%; bottom: 0; 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: 0 25px; border-radius: 999px; background: linear-gradient(135deg, #38C7FF 0%, #1CA8F6 48%, #0877C9 100%); color: #fff; font-weight: 800; box-shadow: 0 12px 26px rgba(8,119,201,.2); transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 30px rgba(8,119,201,.27); }
.header-register { flex: 0 0 auto; }
.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-scroll { display: flex; gap: 9px; padding: 10px 0; }
.channel-bar a { color: var(--muted); border-radius: 999px; padding: 6px 13px; font-size: 14px; }
.channel-bar a:hover, .channel-bar a.active { color: var(--deep); background: rgba(28,168,246,.10); }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 9px; border: 0; background: transparent; border-radius: 12px; }
.menu-toggle span { display: block; height: 2px; background: var(--deep); margin: 5px 0; border-radius: 2px; }
main { min-height: 60vh; }
.page-hero { padding: 56px 0 28px; }
.page-hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 34px; align-items: center; }
.page-hero.no-image .page-hero-grid { grid-template-columns: 1fr; }
.hero-copy, .hero-visual, .card, .zone-card, .info-card, .review-card, .faq-item, .notice-card, .link-card, .content-band { background: #fff; border: 1px solid rgba(28,168,246,.12); box-shadow: var(--shadow); border-radius: var(--radius); }
.hero-copy { padding: 42px; }
.hero-copy h1 { margin: 5px 0 18px; font-size: clamp(32px, 5vw, 54px); line-height: 1.18; color: var(--deep); }
.hero-copy p { color: var(--muted); font-size: 17px; }
.section-kicker, .badge, .num { color: var(--primary); font-weight: 800; letter-spacing: .05em; }
.hero-visual { padding: 18px; min-height: 300px; display: flex; align-items: center; justify-content: center; background: linear-gradient(145deg,#fff,#edf8ff); }
.hero-visual img { width: 100%; max-height: 320px; object-fit: contain; }
.section { padding: 36px 0; }
.section.alt { background: linear-gradient(180deg, rgba(234,247,255,.55), rgba(244,251,255,0)); }
.section-head { max-width: 760px; margin-bottom: 24px; }
.section-title, h1, h2, h3 { color: var(--deep); }
.section-title { margin: 4px 0 10px; font-size: clamp(26px, 3vw, 38px); line-height: 1.3; }
.section-head p { margin: 0; color: var(--muted); }
.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, .link-card { padding: 26px; }
.card h2, .card h3, .zone-card h2, .zone-card h3, .info-card h3, .review-card h3, .link-card h3 { margin-top: 0; }
.card p, .zone-card p, .info-card p, .review-card p, .link-card p { color: var(--muted); }
.content-img, .zone-card img, .app-section img { width: 100%; height: 190px; object-fit: contain; background: #f7fcff; border-radius: 16px; margin-bottom: 18px; }
.text-link { color: var(--primary); font-weight: 800; display: inline-flex; margin-top: 8px; }
.text-link:hover { color: var(--deep); }
.feature-list, .check-list { margin: 16px 0 0; padding-left: 20px; }
.feature-list li, .check-list li { margin-bottom: 8px; }
.banner-slider { width: min(1180px, calc(100% - 36px)); height: 360px; margin: 26px 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%; transform: translateY(-50%); z-index: 3; width: 44px; height: 44px; border: none; border-radius: 999px; background: rgba(255,255,255,.9); color: var(--primary); box-shadow: 0 8px 20px rgba(8,119,201,.14); cursor: pointer; font-size: 28px; }
.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: 9px; height: 9px; padding: 0; border-radius: 50%; border: none; background: rgba(28,168,246,.24); cursor: pointer; }
.slider-dots button.active { background: var(--primary); }
.quick-pills { display: flex; flex-wrap: wrap; gap: 12px; }
.quick-pills a { background: #fff; color: var(--deep); border: 1px solid rgba(28,168,246,.18); padding: 10px 16px; border-radius: 999px; box-shadow: 0 8px 18px rgba(8,119,201,.06); font-weight: 700; }
.quick-pills a:hover { background: var(--surface-soft); }
.quick-detail-grid { margin-top: 22px; }
.content-band { padding: 28px 32px; background: linear-gradient(135deg,#fff,#eaf7ff); }
.dashboard-number { font-size: 31px; line-height: 1; color: var(--primary); font-weight: 900; }
.faq-list { display: grid; gap: 14px; }
.faq-item { padding: 20px 24px; }
.faq-item summary { cursor: pointer; color: var(--deep); font-weight: 800; }
.faq-item p { color: var(--muted); margin-bottom: 0; }
.notice-card { padding: 24px 28px; border-left: 5px solid var(--primary); }
.notice-card p { margin: 0; color: var(--muted); }
.floating-service { position: fixed; right: 18px; top: 42%; z-index: 60; width: 100px; display: grid; gap: 8px; }
.floating-service a, .floating-service button { min-height: 42px; padding: 8px 10px; border-radius: 13px; background: #fff; color: var(--deep); border: 1px solid rgba(28,168,246,.14); box-shadow: 0 14px 30px rgba(8,119,201,.10); text-align: center; font-size: 14px; cursor: pointer; }
.floating-service a.register-link { background: linear-gradient(135deg,#38C7FF,#1CA8F6 48%,#0877C9); color: #fff; }
.site-footer { margin-top: 54px; background: var(--footer); color: #EAF8FF; padding: 52px 0 22px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3,1fr); gap: 34px; }
.footer-brand img { width: 170px; max-height: 58px; object-fit: contain; filter: brightness(0) invert(1); margin-bottom: 18px; }
.site-footer h2 { color: #fff; font-size: 17px; }
.site-footer a { display: block; color: #cfeeff; margin: 8px 0; }
.site-footer p { color: #cfe1ee; }
.compliance-line { border-top: 1px solid rgba(255,255,255,.12); margin-top: 30px; padding-top: 22px; display: flex; justify-content: space-between; gap: 24px; align-items: flex-end; }
.compliance-line p:first-child { max-width: 850px; }
.mobile-drawer { position: fixed; inset: 0 auto 0 0; width: min(84vw,320px); z-index: 160; background: #fff; transform: translateX(-105%); transition: transform .28s ease; box-shadow: 20px 0 50px rgba(8,119,201,.18); padding: 18px; overflow-y: auto; }
.mobile-drawer.open { transform: translateX(0); }
.drawer-overlay { position: fixed; inset: 0; z-index: 150; background: rgba(8,42,70,.42); opacity: 0; visibility: hidden; transition: .25s; }
.drawer-overlay.show { opacity: 1; visibility: visible; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; border-bottom: 1px solid #e7f4fb; padding-bottom: 14px; }
.drawer-logo img { width: 150px; max-height: 52px; object-fit: contain; }
.drawer-close { width: 40px; height: 40px; border: 0; border-radius: 12px; background: var(--surface-soft); color: var(--deep); font-size: 28px; }
.drawer-nav { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; padding: 18px 0; }
.drawer-nav a { padding: 10px 11px; border-radius: 12px; color: var(--muted); background: #f8fcff; }
.drawer-nav a.active, .drawer-nav a:hover { background: var(--surface-soft); color: var(--deep); }
.mobile-bottom-nav { display: none; }
body.drawer-open { overflow: hidden; }
@media (max-width: 1100px) {
    .floating-service { display: none; }
    .nav-core { gap: 18px; }
    .grid-4 { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 820px) {
    body { padding-bottom: 70px; }
    .site-header { position: sticky; }
    .header-main { height: 66px; justify-content: space-between; gap: 10px; }
    .menu-toggle { display: block; flex: 0 0 42px; }
    .brand-logo { width: 142px; margin: 0 auto; }
    .nav-core, .channel-bar { display: none; }
    .header-register { min-height: 40px; padding: 0 17px; font-size: 14px; }
    .page-hero { padding: 28px 0 14px; }
    .page-hero-grid, .grid-2, .grid-3, .grid-4, .footer-grid { grid-template-columns: 1fr; }
    .hero-copy { padding: 28px 24px; }
    .hero-visual { min-height: 220px; }
    .hero-visual img { max-height: 250px; }
    .banner-slider { height: 210px; margin-top: 18px; }
    .content-img, .zone-card img, .app-section img { height: 170px; }
    .mobile-bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 130; display: grid; grid-template-columns: repeat(4,1fr); background: rgba(255,255,255,.96); backdrop-filter: blur(10px); border-top: 1px solid rgba(28,168,246,.14); box-shadow: 0 -10px 25px rgba(8,119,201,.10); }
    .mobile-bottom-nav a { padding: 13px 6px calc(13px + env(safe-area-inset-bottom)); text-align: center; color: var(--deep); font-weight: 800; font-size: 14px; }
    .compliance-line { display: block; }
    .site-footer { margin-top: 30px; }
}
@media (max-width: 520px) {
    .container { width: min(100% - 24px,1180px); }
    .brand-logo { width: 124px; }
    .banner-slider { width: calc(100% - 24px); height: 175px; border-radius: 16px; }
    .slider-arrow { width: 36px; height: 36px; font-size: 22px; }
    .hero-copy h1 { font-size: 31px; }
    .card, .zone-card, .info-card, .review-card, .link-card { padding: 22px; }
    .content-band { padding: 24px 22px; }
    .quick-pills { gap: 9px; }
    .quick-pills a { font-size: 14px; padding: 8px 12px; }
}