:root {
    --bg: #EEF6FA;
    --nav: #08263A;
    --title: #0A3B5A;
    --brand: #0E88C8;
    --deep: #075C91;
    --cyan: #18D4C6;
    --silver: #F8FBFD;
    --text: #1F2D38;
    --muted: #5E7080;
    --soft: #8A9AA8;
    --line: rgba(14,136,200,0.14);
    --shadow: 0 14px 36px rgba(7,92,145,0.10);
    --grad: linear-gradient(135deg, #0E88C8 0%, #075C91 52%, #18D4C6 100%);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.76; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { font: inherit; cursor: pointer; }
.no-scroll { overflow: hidden; }
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 9000; background: var(--nav); box-shadow: 0 8px 24px rgba(7,92,145,0.18); }
.topbar { height: 68px; max-width: 1240px; margin: 0 auto; padding: 0 22px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 22px; }
.site-logo { color: var(--cyan); font-weight: 800; font-size: 24px; letter-spacing: 1px; white-space: nowrap; }
.nav-core { display: flex; justify-content: center; align-items: center; gap: 10px; min-width: 0; }
.nav-core a { color: #EAF6FC; background: rgba(255,255,255,0.08); border-radius: 999px; padding: 8px 15px; font-weight: 700; white-space: nowrap; transition: .2s ease; }
.nav-core a:hover, .nav-core a.active { color: var(--cyan); background: rgba(24,212,198,0.12); box-shadow: inset 0 -2px 0 var(--cyan); }
.top-actions { display: flex; align-items: center; gap: 10px; }
.service-toggle { border: 1px solid rgba(234,246,252,0.26); background: rgba(255,255,255,0.07); color: #EAF6FC; border-radius: 999px; padding: 9px 16px; font-weight: 700; }
.service-toggle:hover { color: var(--cyan); border-color: rgba(24,212,198,.65); }
.main-btn { display: inline-flex; align-items: center; justify-content: center; border: 0; background: var(--grad); color: #FFFFFF; border-radius: 999px; box-shadow: 0 10px 24px rgba(7,92,145,0.18); font-weight: 700; padding: 10px 22px; transition: .2s ease; }
.main-btn:hover { transform: translateY(-1px); }
.reg-btn { min-width: 76px; }
.channel-strip { height: 48px; display: flex; align-items: center; justify-content: center; gap: 10px; padding: 0 20px; background: rgba(232,244,250,0.98); border-top: 1px solid rgba(255,255,255,0.08); }
.channel-strip a { color: var(--title); background: #FFFFFF; border: 1px solid var(--line); border-radius: 999px; padding: 6px 15px; font-weight: 700; font-size: 14px; white-space: nowrap; transition: .2s ease; }
.channel-strip a:hover { color: var(--brand); border-color: rgba(24,212,198,0.55); box-shadow: 0 8px 18px rgba(7,92,145,0.10); }
.site-main { padding-top: 136px; }
.mobile-menu-btn { display: none; width: 42px; height: 42px; border: 1px solid rgba(234,246,252,.25); border-radius: 14px; background: rgba(255,255,255,.08); padding: 9px; }
.mobile-menu-btn span { display: block; height: 2px; margin: 5px 0; background: #EAF6FC; border-radius: 2px; }
.page-mask { position: fixed; inset: 0; background: rgba(3, 18, 30, .42); z-index: 9900; opacity: 0; visibility: hidden; transition: .25s ease; }
.panel-open .page-mask, .drawer-open .page-mask { opacity: 1; visibility: visible; }
.category-panel { position: fixed; top: 0; right: 0; width: min(440px, 88vw); height: 100vh; overflow-y: auto; background: #FFFFFF; box-shadow: 0 18px 48px rgba(7,92,145,0.16); z-index: 10000; transform: translateX(105%); transition: transform .28s ease; padding: 24px; }
.panel-open .category-panel { transform: translateX(0); }
.panel-head, .drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.panel-head strong, .drawer-head strong { color: var(--title); font-size: 22px; }
.panel-head button, .drawer-head button { width: 36px; height: 36px; border: 0; border-radius: 50%; background: #E8F4FA; color: var(--title); font-size: 24px; line-height: 1; }
.panel-groups { display: grid; gap: 18px; }
.panel-groups section { background: var(--silver); border: 1px solid var(--line); border-radius: 18px; padding: 16px; }
.panel-groups h3 { margin: 0 0 10px; color: var(--title); font-size: 17px; }
.panel-groups a { display: block; padding: 11px 10px; border-radius: 12px; color: var(--text); }
.panel-groups a:hover { background: #E9FFFC; color: var(--brand); }
.panel-groups span { display: block; font-weight: 800; }
.panel-groups small { color: var(--muted); }
.mobile-drawer { position: fixed; top: 0; left: 0; width: min(84vw, 320px); height: 100vh; overflow-y: auto; background: #F8FBFD; box-shadow: 0 18px 48px rgba(7,92,145,0.16); z-index: 10000; transform: translateX(-105%); transition: transform .28s ease; padding: 22px; }
.drawer-open .mobile-drawer { transform: translateX(0); }
.drawer-nav { display: grid; gap: 8px; }
.drawer-nav a { padding: 11px 12px; border-radius: 12px; background: #FFFFFF; color: var(--title); border: 1px solid var(--line); font-weight: 700; }
.drawer-nav a:hover { color: var(--brand); background: #E9FFFC; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 22px; }
.section { margin: 34px auto; }
.banner-slider { max-width: 1200px; height: 380px; margin: 28px auto 24px; border-radius: 24px; background: #FFFFFF; box-shadow: 0 16px 38px rgba(7,92,145,0.12); overflow: hidden; position: relative; z-index: 1; }
.banner-slider .slide { display: none; width: 100%; height: 100%; position: relative; }
.banner-slider .slide.active { display: block; }
.banner-slider img { width: 100%; height: 100%; object-fit: contain; background: #FFFFFF; }
.slide-caption { position: absolute; left: 34px; bottom: 28px; max-width: 440px; padding: 18px 20px; background: rgba(248,251,253,.88); border: 1px solid rgba(24,212,198,.34); border-radius: 20px; box-shadow: 0 14px 30px rgba(7,92,145,.12); }
.slide-caption h2 { margin: 0 0 6px; color: var(--title); font-size: 26px; }
.slide-caption p { margin: 0; color: var(--muted); }
.mobile-slider-copy { display: none; }
.slider-arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; border: none; border-radius: 999px; width: 42px; height: 42px; background: rgba(255,255,255,0.88); color: var(--brand); box-shadow: 0 8px 20px rgba(7,92,145,0.16); font-size: 28px; }
.slider-arrow.prev { left: 18px; }
.slider-arrow.next { right: 18px; }
.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(14,136,200,0.26); }
.slider-dots button.active { background: var(--cyan); }
.hero-panel, .card, .zone-card, .info-card, .review-card, .faq-item, .notice-box, .quick-item { background: #FFFFFF; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 22px; }
.hero-panel { padding: 34px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 30px; align-items: center; }
.hero-panel.no-image { display: block; }
.hero-panel h1 { margin: 8px 0 14px; color: var(--title); font-size: clamp(30px, 4vw, 48px); line-height: 1.2; }
.hero-panel p { color: var(--muted); margin: 0 0 12px; }
.section-kicker, .tag, .label, .num, .badge { color: var(--brand); font-weight: 800; }
.content-img, .zone-card img, .app-section img { width: 100%; max-height: 300px; object-fit: contain; border-radius: 18px; background: var(--silver); border: 1px solid var(--line); }
.section-title { margin: 0 0 18px; color: var(--title); font-size: clamp(24px, 3vw, 34px); line-height: 1.26; }
.lead { color: var(--muted); font-size: 17px; }
.grid { display: grid; gap: 18px; }
.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, .info-card, .review-card, .faq-item, .quick-item { padding: 22px; }
.card h3, .info-card h3, .zone-card h3, .quick-item h3, .faq-item h3 { color: var(--title); margin: 0 0 8px; }
.card p, .info-card p, .zone-card p, .quick-item p, .faq-item p, .review-card p { color: var(--muted); margin: 0 0 12px; }
.zone-card { overflow: hidden; }
.zone-card .zone-body { padding: 20px; }
.text-link { color: var(--brand); font-weight: 800; }
.text-link:hover { color: var(--deep); }
.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; align-items: stretch; }
.feature-list { display: grid; gap: 8px; padding: 0; margin: 14px 0 0; list-style: none; }
.feature-list li { color: var(--text); padding-left: 22px; position: relative; }
.feature-list li:before { content: ""; position: absolute; left: 0; top: .72em; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); }
.notice-box { padding: 26px; background: linear-gradient(135deg, #FFFFFF 0%, #E9FFFC 100%); }
.notice-box strong { color: var(--title); }
.review-card { background: #FFFFFF; }
.review-card .review-name { color: var(--brand); font-weight: 800; margin-top: 12px; }
.faq-list { display: grid; gap: 14px; }
.faq-item h3 { font-size: 18px; }
.steps { counter-reset: step; }
.steps .info-card { position: relative; padding-top: 48px; }
.steps .info-card:before { counter-increment: step; content: counter(step, decimal-leading-zero); position: absolute; top: 18px; left: 22px; color: var(--brand); font-weight: 900; letter-spacing: .08em; }
.site-footer { background: #061B2B; color: #EAF6FC; margin-top: 56px; }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 42px 22px; display: grid; grid-template-columns: 1.05fr 1.45fr; gap: 34px; }
.footer-brand p { color: rgba(234,246,252,.82); margin: 12px 0; }
.footer-reminder { border-left: 3px solid var(--cyan); padding-left: 14px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.footer-links h3 { color: #FFFFFF; margin: 0 0 10px; }
.footer-links a { display: block; color: rgba(234,246,252,.82); margin: 7px 0; }
.footer-links a:hover { color: var(--cyan); }
.footer-bottom { border-top: 1px solid rgba(234,246,252,.12); max-width: 1200px; margin: 0 auto; padding: 16px 22px 24px; display: flex; justify-content: space-between; gap: 18px; color: rgba(234,246,252,.72); font-size: 14px; }
.mobile-bottom-nav { display: none; }
.page-content p { color: var(--muted); }
@media (max-width: 1024px) {
    .nav-core a { padding: 8px 11px; font-size: 14px; }
    .topbar { gap: 14px; }
    .banner-slider { height: 310px; }
    .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hero-panel { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
    body { padding-bottom: 72px; }
    .site-main { padding-top: 76px; }
    .topbar { height: 64px; grid-template-columns: auto 1fr auto; padding: 0 14px; }
    .mobile-menu-btn { display: block; }
    .site-logo { justify-self: center; font-size: 22px; }
    .nav-core, .service-toggle, .channel-strip { display: none; }
    .top-actions { justify-content: end; }
    .reg-btn { min-width: 66px; padding: 8px 15px; }
    .container { padding: 0 14px; }
    .banner-slider { height: 210px; margin: 14px auto 12px; border-radius: 18px; }
    .slide-caption { display: none; }
    .mobile-slider-copy { display: block; max-width: 1200px; margin: 0 auto 18px; padding: 0 14px; }
    .mobile-slider-copy div { background: #FFFFFF; border: 1px solid var(--line); border-radius: 18px; padding: 15px; box-shadow: var(--shadow); }
    .mobile-slider-copy h2 { color: var(--title); margin: 0 0 6px; font-size: 20px; }
    .mobile-slider-copy p { color: var(--muted); margin: 0; }
    .slider-arrow { width: 34px; height: 34px; font-size: 22px; }
    .slider-arrow.prev { left: 10px; }
    .slider-arrow.next { right: 10px; }
    .hero-panel, .card, .info-card, .review-card, .faq-item, .quick-item, .notice-box { padding: 18px; border-radius: 18px; }
    .split, .grid-2, .grid-3, .grid-4, .footer-inner, .footer-links { grid-template-columns: 1fr; }
    .section { margin: 24px auto; }
    .footer-bottom { flex-direction: column; }
    .mobile-bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; height: 62px; background: #FFFFFF; border-top: 1px solid var(--line); z-index: 8000; display: grid; grid-template-columns: repeat(4, 1fr); box-shadow: 0 -8px 24px rgba(7,92,145,0.10); }
    .mobile-bottom-nav a { display: flex; align-items: center; justify-content: center; color: var(--title); font-weight: 800; }
    .mobile-bottom-nav a:hover { color: var(--brand); }
}
@media (max-width: 420px) {
    .banner-slider { height: 180px; }
    .hero-panel h1 { font-size: 28px; }
}