:root {
    --bg: #E6EBF2;
    --panel: #F5F7FB;
    --white: #FFFFFF;
    --soft: #EEF2F7;
    --soft-deep: #DDE4EE;
    --blue: #289CFF;
    --nav: #4E5F7A;
    --text: #243447;
    --muted: #66788A;
    --light: #8A9AAF;
    --footer: #243447;
    --footer-text: #EAF3FF;
    --grad: linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
    --shadow: 0 14px 36px rgba(56,92,138,0.10);
    --border: 1px solid rgba(40,156,255,0.16);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    background: #E6EBF2;
    color: #243447;
    line-height: 1.75;
    padding-top: 86px;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, .section-title { color: #289CFF; line-height: 1.28; margin: 0; }
p { margin: 0; }
.site-header {
    background: #F5F7FB;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 10px 30px rgba(36,52,71,0.08);
    border-bottom: 1px solid rgba(40,156,255,0.12);
}
.nav-wrap {
    width: min(1240px, calc(100% - 32px));
    height: 86px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 18px;
}
.brand-logo img, .drawer-logo img { width: 146px; max-height: 58px; object-fit: contain; }
.nav {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-width: 0;
}
.nav a {
    color: #4E5F7A;
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
    padding: 9px 6px;
    border-radius: 999px;
}
.nav a.active, .nav a:hover, .drawer-links a.active, .drawer-links a:hover { color: #289CFF; background: rgba(40,156,255,0.10); }
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 24px;
    border-radius: 999px;
    background: linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
    color: #FFFFFF;
    font-weight: 700;
    box-shadow: 0 12px 28px rgba(36,155,255,0.24);
    border: 0;
    cursor: pointer;
}
.main-btn:hover { transform: translateY(-1px); box-shadow: 0 16px 34px rgba(36,155,255,0.30); }
.header-btn { flex: 0 0 auto; }
.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 12px;
    background: #FFFFFF;
    box-shadow: var(--shadow);
    padding: 10px;
}
.menu-toggle span { display: block; height: 2px; margin: 6px 0; background: #289CFF; border-radius: 2px; }
.drawer-mask { position: fixed; inset: 0; z-index: 1400; background: rgba(20,32,47,0.42); opacity: 0; pointer-events: none; transition: .25s ease; }
.mobile-drawer { position: fixed; top: 0; right: 0; z-index: 1500; width: min(86vw, 360px); height: 100vh; background: #F5F7FB; transform: translateX(110%); transition: .28s ease; padding: 22px; box-shadow: -20px 0 45px rgba(36,52,71,0.18); overflow-y: auto; }
.drawer-open .drawer-mask { opacity: 1; pointer-events: auto; }
.drawer-open .mobile-drawer { transform: translateX(0); }
.drawer-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 12px; background: #FFFFFF; color: #289CFF; font-size: 28px; line-height: 1; }
.drawer-links { display: grid; gap: 10px; }
.drawer-links a { color: #4E5F7A; padding: 12px 14px; background: rgba(255,255,255,0.88); border-radius: 14px; border: var(--border); font-weight: 650; }
.drawer-register { width: 100%; margin-top: 18px; }
.container { width: min(1200px, calc(100% - 32px)); margin: 0 auto; }
.banner-slider {
    max-width: 1200px;
    margin: 28px auto 36px;
    border-radius: 20px;
    background: #FFFFFF;
    box-shadow: 0 18px 40px rgba(56,92,138,0.12);
    overflow: hidden;
    position: relative;
    min-height: 430px;
}
.slides { position: relative; min-height: 430px; }
.slide { position: absolute; inset: 0; opacity: 0; pointer-events: none; transition: opacity .45s ease; background: #FFFFFF; }
.slide.active { opacity: 1; pointer-events: auto; }
.slide img, .banner-slider img { width: 100%; height: 100%; object-fit: contain; background: #FFFFFF; }
.slide-copy {
    position: absolute;
    left: 44px;
    bottom: 44px;
    width: min(520px, calc(100% - 88px));
    padding: 24px;
    border-radius: 22px;
    background: rgba(245,247,251,0.88);
    border: 1px solid rgba(40,156,255,0.18);
    box-shadow: 0 16px 42px rgba(36,52,71,0.12);
    backdrop-filter: blur(8px);
}
.slide-copy span { color: #289CFF; font-weight: 800; letter-spacing: .04em; }
.slide-copy h1, .slide-copy h2 { margin: 8px 0 10px; font-size: clamp(28px, 4vw, 46px); }
.slide-copy p { color: #4E5F7A; margin-bottom: 18px; }
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 50%;
    background: rgba(245,247,251,0.90);
    color: #289CFF;
    font-size: 26px;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(56,92,138,0.16);
}
.slider-prev { left: 18px; }
.slider-next { right: 18px; }
.slider-dots { position: absolute; z-index: 6; left: 0; right: 0; bottom: 14px; display: flex; align-items: center; justify-content: center; gap: 10px; }
.slider-dot { width: 10px; height: 10px; border: 0; border-radius: 50%; background: #DDE4EE; cursor: pointer; }
.slider-dot.active { width: 26px; border-radius: 999px; background: #289CFF; }
.section { margin: 42px auto; }
.section-head { margin-bottom: 20px; display: flex; justify-content: space-between; align-items: flex-end; gap: 18px; }
.section-title { font-size: clamp(25px, 3vw, 36px); }
.section-subtitle { color: #66788A; max-width: 760px; margin-top: 10px; }
.grid { 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)); }
.grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.card, .zone-card, .info-card, .review-card {
    background: rgba(255,255,255,0.92);
    border: 1px solid rgba(40,156,255,0.16);
    box-shadow: 0 14px 36px rgba(56,92,138,0.10);
    border-radius: 22px;
    padding: 24px;
}
.card h3, .zone-card h3, .info-card h3, .review-card h3 { margin-bottom: 10px; font-size: 21px; }
.card p, .zone-card p, .info-card p, .review-card p { color: #66788A; }
.text-link { color: #289CFF; font-weight: 750; display: inline-flex; margin-top: 12px; }
.hero-card { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: center; padding: 30px; border-radius: 26px; background: rgba(255,255,255,0.88); border: var(--border); box-shadow: var(--shadow); }
.hero-card h1 { font-size: clamp(30px, 5vw, 48px); margin-bottom: 14px; }
.hero-card p { color: #4E5F7A; margin: 12px 0; }
.content-img, .zone-card img, .app-section img, .banner-slider img { max-width: 100%; height: auto; }
.content-img { width: 100%; border-radius: 22px; background: #FFFFFF; box-shadow: 0 12px 30px rgba(56,92,138,0.10); object-fit: contain; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.pill { display: inline-flex; align-items: center; border-radius: 999px; background: rgba(40,156,255,0.10); color: #289CFF; padding: 7px 13px; font-weight: 750; font-size: 14px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.zone-card { overflow: hidden; padding: 0; }
.zone-card img { width: 100%; aspect-ratio: 16/10; object-fit: contain; background: #FFFFFF; padding: 8px; }
.zone-body { padding: 22px; }
.info-card .num { display: inline-flex; width: 38px; height: 38px; align-items: center; justify-content: center; border-radius: 50%; background: rgba(40,156,255,0.12); color: #289CFF; font-weight: 800; margin-bottom: 12px; }
.feature-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.feature-list li { background: rgba(245,247,251,0.92); border: var(--border); border-radius: 16px; padding: 14px 16px; color: #4E5F7A; }
.feature-list strong { color: #289CFF; }
.review-card { position: relative; }
.review-card p { color: #4E5F7A; }
.review-card strong { display: block; color: #289CFF; margin-top: 14px; }
.notice-band { background: #DDE4EE; border: var(--border); border-radius: 24px; padding: 24px; color: #4E5F7A; }
.notice-band strong { color: #289CFF; }
.faq-list { display: grid; gap: 14px; }
details { background: rgba(255,255,255,0.92); border: var(--border); border-radius: 18px; padding: 18px 20px; box-shadow: 0 10px 26px rgba(56,92,138,0.08); }
summary { cursor: pointer; color: #289CFF; font-weight: 800; }
details p { color: #66788A; margin-top: 10px; }
.page-hero { margin: 28px auto 34px; }
.breadcrumb { color: #8A9AAF; font-size: 14px; margin-bottom: 12px; }
.content-section { margin: 36px auto; }
.soft-panel { background: #EEF2F7; border: var(--border); border-radius: 24px; padding: 26px; }
.check-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.check-item { background: rgba(255,255,255,0.82); border: var(--border); border-radius: 18px; padding: 18px; }
.check-item h3 { font-size: 19px; margin-bottom: 8px; }
.timeline { display: grid; gap: 16px; counter-reset: step; }
.timeline .info-card { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: start; }
.timeline .info-card .num { margin: 0; }
.contact-box { background: rgba(255,255,255,0.92); border-radius: 22px; border: var(--border); box-shadow: var(--shadow); padding: 24px; }
.contact-box a { color: #289CFF; font-weight: 750; }
.site-footer { background: #243447; color: #EAF3FF; margin-top: 56px; padding: 44px 0 24px; }
.footer-inner { width: min(1200px, calc(100% - 32px)); margin: 0 auto; display: grid; grid-template-columns: 1.2fr 2fr; gap: 34px; }
.footer-brand img { width: 150px; max-height: 60px; object-fit: contain; margin-bottom: 14px; }
.footer-brand p, .footer-notice p { color: rgba(234,243,255,0.82); }
.footer-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.footer-links h3 { color: #EAF3FF; font-size: 18px; margin-bottom: 10px; }
.footer-links a { display: block; color: rgba(234,243,255,0.82); margin: 7px 0; }
.footer-links a:hover { color: #FFFFFF; }
.footer-notice { width: min(1200px, calc(100% - 32px)); margin: 24px auto 0; padding-top: 18px; border-top: 1px solid rgba(234,243,255,0.16); display: grid; gap: 8px; }
@media (max-width: 1120px) {
    .nav { display: none; }
    .menu-toggle { display: block; }
    .nav-wrap { justify-content: space-between; }
    .header-btn { margin-left: auto; }
    .grid-5 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
    body { padding-top: 74px; }
    .nav-wrap { height: 74px; }
    .brand-logo img, .drawer-logo img { width: 128px; }
    .banner-slider, .slides { min-height: 520px; }
    .slide { display: grid; align-items: end; }
    .slide img { height: 300px; align-self: start; }
    .slide-copy { position: relative; left: auto; bottom: auto; width: calc(100% - 28px); margin: 0 auto 46px; padding: 20px; }
    .grid-2, .grid-3, .grid-4, .grid-5, .check-grid, .hero-card, .footer-inner { grid-template-columns: 1fr; }
    .section-head { display: block; }
    .footer-links { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
    body { padding-top: 68px; }
    .nav-wrap { width: min(100% - 20px, 1240px); height: 68px; gap: 10px; }
    .brand-logo img { width: 112px; }
    .header-btn { padding: 0 16px; min-height: 40px; }
    .container { width: min(100% - 22px, 1200px); }
    .banner-slider { width: calc(100% - 22px); margin-top: 18px; border-radius: 16px; min-height: 500px; }
    .slides { min-height: 500px; }
    .slide img { height: 230px; }
    .slide-copy h1, .slide-copy h2 { font-size: 27px; }
    .slider-arrow { width: 38px; height: 38px; font-size: 22px; }
    .slider-prev { left: 10px; }
    .slider-next { right: 10px; }
    .section { margin: 32px auto; }
    .card, .info-card, .review-card, .hero-card, .soft-panel, .notice-band { padding: 20px; border-radius: 18px; }
    .footer-links { grid-template-columns: 1fr; }
    .mobile-drawer { width: min(92vw, 360px); }
}