:root {
    --page-bg: #E6EBF2;
    --nav-bg: #F5F7FB;
    --soft-bg: #FFFFFF;
    --light-bg: #F5F7FB;
    --pale-bg: #EEF2F7;
    --blue: #289CFF;
    --nav-text: #4E5F7A;
    --text: #243447;
    --muted: #66788A;
    --hint: #8A9AAF;
    --footer: #243447;
    --footer-text: #EAF3FF;
    --shadow: 0 14px 36px rgba(56,92,138,0.10);
    --blue-shadow: 0 18px 40px rgba(40,156,255,0.18);
    --gradient: linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    background: #E6EBF2;
    color: #243447;
    line-height: 1.75;
}
body.locked { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; }
p { margin: 0; }
h1, h2, h3, .section-title { color: #289CFF; margin: 0; line-height: 1.28; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: #F5F7FB;
    box-shadow: 0 10px 28px rgba(56,92,138,0.10);
}
.topbar {
    max-width: 1240px;
    margin: 0 auto;
    height: 76px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 18px;
}
.brand-link,
.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    color: #289CFF;
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.brand-link img,
.footer-logo img {
    width: 44px;
    height: 44px;
    object-fit: contain;
}
.nav {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    min-width: 0;
}
.nav a {
    color: #4E5F7A;
    font-size: 14px;
    font-weight: 700;
    padding: 8px 9px;
    border-radius: 999px;
    transition: 0.2s ease;
    white-space: nowrap;
}
.nav a:hover,
.nav a.active,
.mobile-nav a.active,
.mobile-nav 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: 800;
    border: 0;
    box-shadow: var(--blue-shadow);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 22px 44px rgba(40,156,255,0.24); }
.header-action { flex: 0 0 auto; }
.menu-toggle,
.menu-close {
    display: none;
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 14px;
    color: #289CFF;
    background: rgba(40,156,255,0.11);
    font-size: 24px;
    cursor: pointer;
}
.mobile-mask {
    position: fixed;
    inset: 0;
    background: rgba(18,33,54,0.45);
    opacity: 0;
    pointer-events: none;
    transition: 0.2s ease;
}
.mobile-mask.show { opacity: 1; pointer-events: auto; }
.mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: min(86vw, 360px);
    height: 100vh;
    background: #F5F7FB;
    transform: translateX(110%);
    transition: 0.25s ease;
    box-shadow: -18px 0 46px rgba(36,52,71,0.20);
    padding: 18px;
    z-index: 1001;
    overflow-y: auto;
}
.mobile-drawer.open { transform: translateX(0); }
.mobile-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.mobile-nav { display: grid; gap: 8px; }
.mobile-nav a {
    color: #4E5F7A;
    padding: 12px 14px;
    border-radius: 14px;
    font-weight: 800;
    background: rgba(255,255,255,0.72);
}
.mobile-register { width: 100%; margin-top: 18px; }
.site-main { min-height: 60vh; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.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: 470px;
}
.slides { position: relative; min-height: 470px; }
.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.45s ease;
    background: #FFFFFF;
}
.slide.active { opacity: 1; pointer-events: auto; }
.banner-slider img {
    width: 100%;
    height: 100%;
    min-height: 470px;
    object-fit: contain;
    background: #FFFFFF;
}
.slide-caption {
    position: absolute;
    left: clamp(18px, 5vw, 70px);
    top: 50%;
    transform: translateY(-50%);
    max-width: 460px;
    padding: 24px;
    border-radius: 22px;
    background: rgba(245,247,251,0.86);
    backdrop-filter: blur(12px);
    box-shadow: 0 14px 34px rgba(56,92,138,0.14);
}
.slide-caption span,
.eyebrow {
    display: inline-flex;
    color: #289CFF;
    font-weight: 900;
    letter-spacing: 1px;
    margin-bottom: 10px;
}
.slide-caption h1,
.slide-caption h2 { font-size: clamp(26px, 4vw, 46px); margin-bottom: 12px; }
.slide-caption p { color: #4E5F7A; margin-bottom: 18px; }
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 50%;
    background: rgba(245,247,251,0.92);
    color: #289CFF;
    font-size: 28px;
    cursor: pointer;
    box-shadow: var(--shadow);
}
.slider-arrow.prev { left: 18px; }
.slider-arrow.next { right: 18px; }
.slider-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 18px;
    display: flex;
    justify-content: center;
    gap: 10px;
}
.slider-dots button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 0;
    background: rgba(78,95,122,0.32);
    cursor: pointer;
}
.slider-dots button.active { background: #289CFF; width: 30px; border-radius: 999px; }
.section { padding: 34px 0; }
.section-head { margin-bottom: 22px; max-width: 820px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-title { font-size: clamp(24px, 3vw, 36px); margin-bottom: 10px; }
.section-head p,
.lead { color: #66788A; font-size: 16px; }
.grid { display: grid; gap: 20px; }
.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,
.panel-card,
.step-card,
.faq-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: 22px;
}
.card h3,
.zone-card h3,
.info-card h3,
.review-card h3,
.panel-card h3,
.step-card h3,
.faq-card h3 { font-size: 20px; margin-bottom: 10px; }
.card p,
.zone-card p,
.info-card p,
.review-card p,
.panel-card p,
.step-card p,
.faq-card p { color: #66788A; }
.text-link { display: inline-flex; margin-top: 14px; color: #289CFF; font-weight: 900; }
.intro-split,
.page-hero,
.app-feature,
.notice-panel {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 24px;
    align-items: center;
    background: rgba(255,255,255,0.76);
    border: 1px solid rgba(40,156,255,0.13);
    border-radius: 28px;
    padding: 26px;
    box-shadow: var(--shadow);
}
.intro-split.reverse,
.app-feature.reverse { grid-template-columns: 0.95fr 1.05fr; }
.intro-text p,
.hero-text p,
.app-copy p { margin-top: 14px; color: #66788A; }
.action-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; align-items: center; }
.soft-link { color: #289CFF; font-weight: 900; }
.content-img,
.zone-card img,
.app-section img,
.banner-slider img,
.page-hero img,
.intro-split img,
.app-feature img,
.notice-panel img {
    max-width: 100%;
    height: auto;
}
.content-img,
.hero-img,
.app-img,
.zone-card img {
    width: 100%;
    border-radius: 22px;
    background: #FFFFFF;
    object-fit: contain;
    box-shadow: 0 14px 30px rgba(56,92,138,0.10);
}
.zone-card img { margin-bottom: 16px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.tag-list span,
.number-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 5px 12px;
    border-radius: 999px;
    background: rgba(40,156,255,0.10);
    color: #289CFF;
    font-weight: 900;
}
.number-badge { width: 38px; height: 38px; padding: 0; margin-bottom: 12px; }
.step-card ul,
.info-card ul,
.panel-card ul,
.notice-panel ul { padding-left: 18px; margin: 12px 0 0; color: #66788A; }
.step-card li,
.info-card li,
.panel-card li,
.notice-panel li { margin: 8px 0; }
.quote-mark { font-size: 30px; color: #289CFF; line-height: 1; margin-bottom: 6px; }
.review-user { margin-top: 14px; font-weight: 900; color: #243447; }
.home-note,
.compliance-block {
    background: #DDE4EE;
    border: 1px solid rgba(40,156,255,0.12);
    border-radius: 24px;
    padding: 24px;
    color: #4E5F7A;
}
.page-top { padding-top: 34px; }
.page-hero { margin-bottom: 30px; }
.page-hero h1 { font-size: clamp(30px, 4vw, 48px); }
.breadcrumb { color: #8A9AAF; margin-bottom: 8px; font-weight: 800; }
.faq-list { display: grid; gap: 16px; }
.faq-card h3 { display: flex; gap: 10px; align-items: flex-start; }
.faq-card h3 span { color: #289CFF; }
.site-footer {
    margin-top: 46px;
    background: #243447;
    color: #EAF3FF;
}
.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 42px 20px 28px;
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 42px;
}
.footer-brand p { margin-top: 16px; color: rgba(234,243,255,0.78); }
.footer-logo { color: #EAF3FF; }
.footer-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.footer-links h3 { color: #EAF3FF; margin-bottom: 12px; font-size: 17px; }
.footer-links a { display: block; color: rgba(234,243,255,0.78); margin: 7px 0; }
.footer-links a:hover { color: #FFFFFF; }
.footer-notice {
    border-top: 1px solid rgba(234,243,255,0.12);
    max-width: 1200px;
    margin: 0 auto;
    padding: 18px 20px 24px;
    color: rgba(234,243,255,0.82);
    font-size: 14px;
}
@media (max-width: 1140px) {
    .nav { display: none; }
    .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
    .topbar { justify-content: space-between; }
}
@media (max-width: 900px) {
    .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .intro-split,
    .intro-split.reverse,
    .page-hero,
    .app-feature,
    .app-feature.reverse,
    .notice-panel { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
    .topbar { height: 66px; padding: 0 14px; }
    .brand-link span { font-size: 16px; }
    .header-action { display: none; }
    .container { padding: 0 14px; }
    .banner-slider { margin: 18px 14px 26px; min-height: 520px; }
    .slides { min-height: 520px; }
    .banner-slider img { min-height: 520px; }
    .slide-caption {
        left: 14px;
        right: 14px;
        top: auto;
        bottom: 54px;
        transform: none;
        padding: 18px;
    }
    .slide-caption h1,
    .slide-caption h2 { font-size: 24px; }
    .slider-arrow { width: 38px; height: 38px; font-size: 23px; }
    .slider-arrow.prev { left: 10px; }
    .slider-arrow.next { right: 10px; }
    .grid-2,
    .grid-3,
    .grid-4 { grid-template-columns: 1fr; }
    .section { padding: 24px 0; }
    .card,
    .zone-card,
    .info-card,
    .review-card,
    .panel-card,
    .step-card,
    .faq-card { padding: 18px; border-radius: 18px; }
    .intro-split,
    .page-hero,
    .app-feature,
    .notice-panel { padding: 18px; border-radius: 22px; }
    .footer-links { grid-template-columns: 1fr; }
}