:root {
    --page-bg: #E6EBF2;
    --nav-bg: #F5F7FB;
    --white: #FFFFFF;
    --soft: #EEF2F7;
    --soft-2: #DDE4EE;
    --title: #289CFF;
    --nav-text: #4E5F7A;
    --text: #243447;
    --muted: #66788A;
    --hint: #8A9AAF;
    --footer: #243447;
    --footer-text: #EAF3FF;
    --border: rgba(40,156,255,0.16);
    --shadow: 0 14px 36px rgba(56,92,138,0.12);
    --btn: linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
    --btn-hover: linear-gradient(180deg, #48D9F7 0%, #1E90F0 100%);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--page-bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.72;
}
a { color: var(--title); text-decoration: none; }
a:hover { color: #1E90F0; }
img { max-width: 100%; height: auto; display: block; }
.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);
}
.desktop-topbar {
    max-width: 1240px;
    margin: 0 auto;
    min-height: 76px;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 22px;
}
.brand-logo img { width: 150px; height: auto; }
.nav {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    overflow-x: auto;
    scrollbar-width: none;
}
.nav::-webkit-scrollbar { display: none; }
.nav a {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 54px;
    padding: 0 10px;
    color: #4E5F7A;
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
}
.nav a.active { color: #289CFF; }
.nav a.active::after {
    content: "";
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 5px;
    height: 3px;
    border-radius: 999px;
    background: #289CFF;
    box-shadow: 0 0 12px rgba(40,156,255,0.35);
}
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 24px;
    border-radius: 999px;
    background: var(--btn);
    color: #FFFFFF !important;
    box-shadow: 0 10px 24px rgba(36,155,255,0.25);
    font-weight: 800;
    border: 0;
    cursor: pointer;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    white-space: nowrap;
}
.main-btn:hover {
    background: var(--btn-hover);
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(36,155,255,0.30);
}
.mobile-topbar { display: none; }
.site-main { min-height: 60vh; }
.banner-slider {
    max-width: 1200px;
    height: clamp(210px, 42vw, 520px);
    margin: 28px auto 36px;
    border-radius: 20px;
    background: #FFFFFF;
    box-shadow: 0 18px 40px rgba(56,92,138,0.12);
    overflow: hidden;
    position: relative;
}
.slides, .slide { width: 100%; height: 100%; }
.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity .5s ease;
    background: #FFFFFF;
}
.slide.is-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: 5;
    width: 42px;
    height: 42px;
    margin-top: -21px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.7);
    background: rgba(36,52,71,0.28);
    color: #FFFFFF;
    font-size: 30px;
    line-height: 40px;
    cursor: pointer;
    transition: background .2s ease, transform .2s ease;
}
.slider-arrow:hover { background: rgba(40,156,255,0.85); transform: translateY(-1px); }
.slider-prev { left: 16px; }
.slider-next { right: 16px; }
.slider-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 14px;
    z-index: 6;
    display: flex;
    justify-content: center;
    gap: 9px;
}
.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    border: 0;
    background: rgba(255,255,255,0.65);
    cursor: pointer;
    transition: width .2s ease, background .2s ease;
}
.slider-dot.is-active { width: 28px; background: #289CFF; }
.banner-caption,
.banner-text,
.slide-title,
.slide-desc,
.slide-content,
.slide-card,
.banner-card { display: none !important; }
.container {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
}
.section {
    margin: 34px auto;
}
.section-head {
    max-width: 840px;
    margin-bottom: 22px;
}
.kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 12px;
    border-radius: 999px;
    background: rgba(40,156,255,0.10);
    color: #289CFF;
    font-size: 13px;
    font-weight: 800;
}
h1, h2, h3, .section-title { color: #289CFF; line-height: 1.28; }
h1 { margin: 12px 0 14px; font-size: clamp(30px, 5vw, 56px); }
h2, .section-title { margin: 0 0 12px; font-size: clamp(24px, 3vw, 36px); }
h3 { margin: 0 0 10px; font-size: 20px; }
p { margin: 0 0 14px; }
.lead { color: #4E5F7A; font-size: 18px; }
.muted { color: #66788A; }
.small { color: #8A9AAF; font-size: 14px; }
.hero-card,
.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.notice-box,
.step-card,
.profile-panel {
    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;
}
.hero-card {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 30px;
    align-items: center;
    padding: clamp(22px, 4vw, 42px);
}
.hero-media,
.image-panel {
    border-radius: 20px;
    overflow: hidden;
    background: #FFFFFF;
    border: 1px solid rgba(40,156,255,0.12);
}
.hero-media img,
.image-panel img,
.content-img,
.zone-card img,
.app-section img {
    width: 100%;
    height: auto;
    object-fit: contain;
    background: #FFFFFF;
}
.hero-actions { margin-top: 22px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.text-link { font-weight: 800; color: #289CFF; }
.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, .zone-card, .info-card, .review-card, .faq-item, .step-card { padding: 24px; }
.card:hover, .zone-card:hover, .info-card:hover, .step-card:hover { transform: translateY(-2px); }
.card, .zone-card, .info-card, .step-card { transition: transform .2s ease, box-shadow .2s ease; }
.card-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 12px;
    background: rgba(40,156,255,0.10);
    color: #289CFF;
    font-weight: 900;
    margin-bottom: 12px;
}
.category-link { display: inline-flex; margin-top: 8px; font-weight: 800; color: #289CFF; }
.feature-list { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.feature-list li {
    position: relative;
    padding-left: 24px;
    color: #4E5F7A;
}
.feature-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .75em;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #289CFF;
    box-shadow: 0 0 0 5px rgba(40,156,255,0.12);
}
.split-section {
    display: grid;
    grid-template-columns: .95fr 1.05fr;
    gap: 24px;
    align-items: center;
}
.notice-box {
    padding: 26px;
    background: #EEF2F7;
}
.notice-box strong { color: #289CFF; }
.review-card { background: #FFFFFF; }
.review-card p { color: #4E5F7A; }
.review-name { color: #289CFF; font-weight: 900; margin-top: 12px; }
.faq-list { display: grid; gap: 16px; }
.faq-item h3 { font-size: 18px; }
.page-hero {
    margin: 28px auto 34px;
}
.page-hero .hero-card { min-height: 360px; }
.breadcrumb { color: #66788A; font-size: 14px; margin-bottom: 8px; }
.tags { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.tag {
    padding: 7px 12px;
    border-radius: 999px;
    background: rgba(40,156,255,0.10);
    color: #289CFF;
    font-weight: 800;
    font-size: 13px;
}
.table-card { overflow: hidden; padding: 0; }
.info-table { width: 100%; border-collapse: collapse; }
.info-table th, .info-table td { padding: 16px 18px; text-align: left; border-bottom: 1px solid rgba(40,156,255,0.12); }
.info-table th { color: #289CFF; background: #EEF2F7; }
.info-table td { color: #4E5F7A; }
.site-footer {
    margin-top: 54px;
    background: #243447;
    color: #EAF3FF;
}
.footer-wrap {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
    padding: 46px 0 28px;
    display: grid;
    grid-template-columns: 1.4fr .75fr .75fr 1fr;
    gap: 28px;
}
.footer-brand img { width: 150px; margin-bottom: 14px; }
.footer-brand p,
.footer-note p { color: rgba(234,243,255,0.82); }
.footer-links { display: grid; gap: 8px; align-content: start; }
.footer-links h3,
.footer-note h3 { color: #EAF3FF; }
.footer-links a { color: rgba(234,243,255,0.82); }
.footer-links a:hover { color: #FFFFFF; }
.footer-bottom {
    border-top: 1px solid rgba(234,243,255,0.12);
    text-align: center;
    padding: 18px 20px;
    color: rgba(234,243,255,0.72);
}
.drawer-mask, .mobile-drawer { display: none; }
@media (max-width: 1080px) {
    .desktop-topbar { display: none; }
    .mobile-topbar {
        min-height: 68px;
        padding: 0 14px;
        display: grid;
        grid-template-columns: 86px 1fr 86px;
        align-items: center;
        gap: 8px;
        background: #F5F7FB;
    }
    .mobile-logo { justify-self: center; }
    .mobile-logo img { width: 138px; }
    .mobile-reg { justify-self: end; min-height: 38px; padding: 0 17px; }
    .menu-toggle {
        justify-self: start;
        width: 42px;
        height: 42px;
        border: 0;
        border-radius: 12px;
        background: #FFFFFF;
        box-shadow: 0 8px 18px rgba(56,92,138,0.10);
        display: inline-grid;
        place-content: center;
        gap: 5px;
        cursor: pointer;
    }
    .menu-toggle span {
        width: 20px;
        height: 2px;
        border-radius: 999px;
        background: #4E5F7A;
        display: block;
    }
    .drawer-mask {
        position: fixed;
        inset: 0;
        z-index: 10000;
        background: rgba(15,25,38,0.42);
        opacity: 0;
        pointer-events: none;
        transition: opacity .25s ease;
        display: block;
    }
    .mobile-drawer {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 84vw;
        max-width: 320px;
        z-index: 10001;
        background: #FFFFFF;
        box-shadow: 18px 0 38px rgba(15,25,38,0.18);
        transform: translateX(-104%);
        transition: transform .28s ease;
        overflow-y: auto;
    }
    .drawer-open { overflow: hidden; }
    .drawer-open .drawer-mask { opacity: 1; pointer-events: auto; }
    .drawer-open .mobile-drawer { transform: translateX(0); }
    .drawer-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 18px 18px 12px;
        border-bottom: 1px solid rgba(40,156,255,0.12);
    }
    .drawer-logo img { width: 140px; }
    .drawer-close {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        border: 0;
        background: #EEF2F7;
        color: #4E5F7A;
        font-size: 24px;
        cursor: pointer;
    }
    .drawer-nav { padding: 12px; display: grid; gap: 6px; }
    .drawer-nav a {
        padding: 12px 14px;
        border-radius: 14px;
        color: #4E5F7A;
        font-weight: 800;
    }
    .drawer-nav a.active {
        color: #289CFF;
        background: rgba(40,156,255,0.10);
    }
    .container { width: min(100% - 28px, 760px); }
    .banner-slider { margin-top: 20px; border-radius: 16px; height: clamp(190px, 52vw, 380px); }
    .hero-card,
    .split-section { grid-template-columns: 1fr; }
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr 1fr; }
    .footer-wrap { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
    body { font-size: 15px; }
    .mobile-topbar { grid-template-columns: 64px 1fr 74px; }
    .mobile-logo img { width: 122px; }
    .main-btn { min-height: 38px; padding: 0 17px; }
    .banner-slider { width: calc(100% - 24px); height: clamp(170px, 58vw, 270px); margin: 16px auto 24px; }
    .slider-arrow { width: 34px; height: 34px; margin-top: -17px; font-size: 24px; line-height: 32px; }
    .slider-prev { left: 10px; }
    .slider-next { right: 10px; }
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .hero-card, .card, .zone-card, .info-card, .review-card, .faq-item, .step-card, .notice-box { padding: 20px; border-radius: 18px; }
    .section { margin: 26px auto; }
    .footer-wrap { grid-template-columns: 1fr; gap: 20px; }
    .info-table th, .info-table td { padding: 13px 12px; }
}