:root {
    --bg: #E6EBF2;
    --nav-bg: #F5F7FB;
    --white: #FFFFFF;
    --soft: #EEF2F7;
    --soft-2: #DDE4EE;
    --blue: #289CFF;
    --nav-text: #4E5F7A;
    --text: #243447;
    --muted: #66788A;
    --light-text: #8A9AAF;
    --footer: #243447;
    --footer-text: #EAF3FF;
    --border: rgba(40,156,255,0.16);
    --shadow: 0 14px 36px rgba(56,92,138,0.12);
    --button: linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
    --button-hover: linear-gradient(180deg, #48D9F7 0%, #1E90F0 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", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}
a { color: var(--blue); text-decoration: none; }
a:hover { color: #1E90F0; }
img { max-width: 100%; height: auto; vertical-align: middle; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 9999;
    background: #F5F7FB;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(56,92,138,0.10);
}
.header-inner {
    max-width: 1320px;
    margin: 0 auto;
    min-height: 78px;
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 0 22px;
}
.brand-logo { flex: 0 0 auto; display: flex; align-items: center; }
.brand-logo img { width: 148px; height: auto; object-fit: contain; }
.nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    flex: 1 1 auto;
    flex-wrap: wrap;
}
.nav a {
    position: relative;
    color: #4E5F7A;
    font-size: 14px;
    font-weight: 700;
    padding: 9px 8px;
    border-radius: 999px;
    line-height: 1.2;
    white-space: nowrap;
}
.nav a.active, .nav a:hover { color: #289CFF; }
.nav a.active::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 2px;
    height: 3px;
    border-radius: 999px;
    background: #289CFF;
}
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 24px;
    border-radius: 999px;
    background: linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
    color: #FFFFFF !important;
    box-shadow: 0 10px 24px rgba(36,155,255,0.25);
    font-weight: 800;
    border: 0;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    white-space: nowrap;
}
.main-btn:hover {
    background: linear-gradient(180deg, #48D9F7 0%, #1E90F0 100%);
    transform: translateY(-1px);
    box-shadow: 0 13px 30px rgba(36,155,255,0.32);
}
.header-btn { flex: 0 0 auto; }
.mobile-topbar { display: none; }
.menu-toggle, .drawer-close, .slider-arrow {
    border: 0;
    cursor: pointer;
    font-family: inherit;
}
.menu-toggle {
    width: 42px;
    height: 42px;
    background: #FFFFFF;
    border: 1px solid rgba(40,156,255,0.16);
    border-radius: 12px;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}
.menu-toggle span {
    width: 20px;
    height: 2px;
    border-radius: 999px;
    background: #4E5F7A;
}
.mobile-logo img { width: 132px; object-fit: contain; }
.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 84vw;
    max-width: 320px;
    height: 100vh;
    background: #FFFFFF;
    z-index: 10001;
    transform: translateX(-105%);
    transition: transform .25s ease;
    box-shadow: 18px 0 42px rgba(36,52,71,0.22);
    overflow-y: auto;
}
.drawer-open .mobile-drawer { transform: translateX(0); }
.drawer-mask {
    position: fixed;
    inset: 0;
    background: rgba(20,34,50,0.46);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, visibility .25s ease;
}
.drawer-open .drawer-mask { opacity: 1; visibility: visible; }
.drawer-open { overflow: hidden; }
.drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 18px 12px;
    border-bottom: 1px solid rgba(40,156,255,0.14);
    background: #F5F7FB;
}
.drawer-logo img { width: 138px; }
.drawer-close {
    width: 38px;
    height: 38px;
    border-radius: 999px;
    background: #FFFFFF;
    color: #4E5F7A;
    font-size: 24px;
    line-height: 1;
}
.drawer-nav { display: grid; gap: 8px; padding: 18px; }
.drawer-nav a {
    color: #4E5F7A;
    font-weight: 800;
    padding: 12px 14px;
    border-radius: 14px;
    background: #F5F7FB;
}
.drawer-nav a.active { color: #289CFF; background: #EEF7FF; }
.page-shell { max-width: 1200px; margin: 0 auto; padding: 28px 20px 68px; }
.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;
    aspect-ratio: 1200 / 460;
}
.slide { position: absolute; inset: 0; opacity: 0; transition: opacity .5s ease; }
.slide.active { opacity: 1; z-index: 1; }
.banner-slider img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #FFFFFF;
}
.slider-arrow {
    position: absolute;
    top: 50%;
    z-index: 3;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 999px;
    background: rgba(255,255,255,0.86);
    color: #289CFF;
    font-size: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(56,92,138,0.15);
}
.slider-prev { left: 18px; }
.slider-next { right: 18px; }
.slider-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 16px;
    z-index: 4;
    display: flex;
    justify-content: center;
    gap: 9px;
}
.slider-dot {
    width: 10px;
    height: 10px;
    border: 0;
    border-radius: 999px;
    background: rgba(78,95,122,0.35);
    padding: 0;
    cursor: pointer;
}
.slider-dot.active { width: 26px; background: #289CFF; }
.banner-caption, .banner-text, .slide-title, .slide-desc, .slide-content, .slide-card, .banner-card { display: none !important; }
.hero-card, .card, .zone-card, .info-card, .review-card, .faq-item, .notice-card, .image-panel, .page-hero {
    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;
}
.page-hero { padding: 36px; margin-bottom: 28px; }
.eyebrow {
    display: inline-flex;
    color: #289CFF;
    background: #EEF7FF;
    padding: 6px 12px;
    border-radius: 999px;
    font-weight: 800;
    font-size: 13px;
    margin-bottom: 14px;
}
h1, h2, h3, .section-title { color: #289CFF; line-height: 1.28; }
h1 { font-size: clamp(30px, 4vw, 48px); margin: 0 0 16px; }
h2 { font-size: clamp(24px, 3vw, 34px); margin: 0 0 16px; }
h3 { font-size: 20px; margin: 0 0 10px; }
p { margin: 0 0 14px; }
.lead { font-size: 18px; color: #4E5F7A; max-width: 850px; }
.muted { color: #66788A; }
.small-note { color: #8A9AAF; font-size: 14px; }
.section { margin: 34px 0; }
.section-head { max-width: 830px; margin-bottom: 20px; }
.two-col { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(320px, .96fr); gap: 24px; align-items: center; }
.grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card, .zone-card, .info-card, .review-card, .faq-item, .notice-card { padding: 24px; }
.card .index, .zone-card .index, .info-card .index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 34px;
    padding: 0 10px;
    border-radius: 999px;
    background: #EEF7FF;
    color: #289CFF;
    font-weight: 900;
    margin-bottom: 12px;
}
.text-link { font-weight: 800; color: #289CFF; }
.text-link::after { content: " →"; }
.image-panel { padding: 14px; background: #FFFFFF; }
.content-img, .zone-card img, .app-section img, .banner-slider img { max-width: 100%; height: auto; }
.content-img {
    width: 100%;
    border-radius: 18px;
    object-fit: contain;
    background: #FFFFFF;
    display: block;
}
.zone-card img {
    width: 100%;
    height: 170px;
    object-fit: contain;
    border-radius: 16px;
    background: #FFFFFF;
    margin-bottom: 16px;
}
.feature-list { display: grid; gap: 12px; margin-top: 16px; }
.feature-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 14px;
    background: #F5F7FB;
    border-radius: 16px;
    color: #4E5F7A;
}
.feature-item strong { color: #289CFF; }
.badge-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.badge {
    display: inline-flex;
    align-items: center;
    padding: 7px 12px;
    border-radius: 999px;
    background: #EEF7FF;
    color: #289CFF;
    font-weight: 800;
    font-size: 13px;
}
.review-card p { color: #4E5F7A; }
.review-card strong { color: #243447; }
.faq-list { display: grid; gap: 14px; }
.faq-item h3 { color: #289CFF; }
.notice-card {
    background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(238,242,247,.92));
}
.notice-card strong { color: #289CFF; }
.page-content { display: grid; gap: 28px; }
.page-section { padding: 28px; }
.content-list {
    margin: 0;
    padding-left: 20px;
    color: #4E5F7A;
}
.content-list li { margin: 8px 0; }
.site-footer {
    background: #243447;
    color: #EAF3FF;
    padding: 48px 20px 34px;
}
.footer-inner { max-width: 1200px; margin: 0 auto; display: grid; gap: 26px; }
.footer-brand { display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 22px; align-items: center; }
.footer-brand img { width: 150px; object-fit: contain; }
.footer-brand p, .footer-note p { color: #EAF3FF; opacity: .92; }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 20px; }
.footer-links a { color: #EAF3FF; font-weight: 700; opacity: .92; }
.footer-links a:hover { opacity: 1; color: #FFFFFF; }
.footer-note { border-top: 1px solid rgba(234,243,255,.16); padding-top: 20px; }
@media (max-width: 1100px) {
    .header-inner { gap: 10px; padding: 0 14px; }
    .brand-logo img { width: 130px; }
    .nav a { font-size: 13px; padding: 8px 7px; }
    .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
    .header-inner { display: none; }
    .mobile-topbar {
        min-height: 66px;
        display: grid;
        grid-template-columns: 54px 1fr auto;
        align-items: center;
        gap: 10px;
        padding: 10px 14px;
    }
    .mobile-logo { justify-self: center; }
    .header-btn { min-height: 38px; padding: 0 18px; }
    .page-shell { padding: 20px 14px 52px; }
    .page-hero { padding: 26px 20px; }
    .two-col { grid-template-columns: 1fr; }
    .grid, .grid.three, .grid.two { grid-template-columns: 1fr; }
    .banner-slider { margin: 18px 14px 28px; border-radius: 16px; aspect-ratio: 16/9; }
    .slider-arrow { width: 38px; height: 38px; font-size: 28px; }
    .slider-prev { left: 10px; }
    .slider-next { right: 10px; }
    .zone-card img { height: 150px; }
    .footer-brand { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
    h1 { font-size: 30px; }
    h2 { font-size: 24px; }
    .card, .zone-card, .info-card, .review-card, .faq-item, .notice-card, .page-section { padding: 20px; }
    .mobile-logo img { width: 118px; }
    .main-btn { padding: 0 16px; }
}