* {
    box-sizing: border-box;
}
:root {
    --main-bg: #E6EBF2;
    --nav-bg: #F5F7FB;
    --white: #FFFFFF;
    --soft-bg: #EEF2F7;
    --soft-bg-2: #DDE4EE;
    --brand-blue: #289CFF;
    --nav-text: #4E5F7A;
    --text: #243447;
    --text-2: #66788A;
    --text-3: #8A9AAF;
    --footer-bg: #243447;
    --footer-text: #EAF3FF;
    --card-border: rgba(40,156,255,0.16);
    --shadow: 0 14px 36px rgba(56,92,138,0.12);
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
    background: var(--main-bg);
    color: var(--text);
    line-height: 1.75;
}
a {
    color: var(--brand-blue);
    text-decoration: none;
    transition: color .2s ease, transform .2s ease, box-shadow .2s ease, background .2s ease;
}
a:hover {
    color: #1E90F0;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
.container {
    width: min(1200px, calc(100% - 36px));
    margin: 0 auto;
}
.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);
}
.topbar {
    min-height: 76px;
    display: flex;
    align-items: center;
    gap: 22px;
}
.brand-logo,
.drawer-logo {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
}
.brand-logo img {
    width: 138px;
    max-height: 46px;
    object-fit: contain;
}
.nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex: 1 1 auto;
    flex-wrap: wrap;
}
.nav a {
    position: relative;
    color: #4E5F7A;
    font-size: 14px;
    font-weight: 700;
    padding: 9px 8px 11px;
    border-radius: 12px;
    white-space: nowrap;
}
.nav a.active,
.nav a:hover {
    color: #289CFF;
}
.nav a.active::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 4px;
    height: 3px;
    border-radius: 99px;
    background: #289CFF;
    box-shadow: 0 4px 12px rgba(40,156,255,0.30);
}
.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;
    letter-spacing: .02em;
    box-shadow: 0 10px 24px rgba(36,155,255,0.25);
    border: 0;
    cursor: pointer;
    white-space: nowrap;
}
.main-btn:hover {
    color: #FFFFFF;
    background: linear-gradient(180deg, #48D9F7 0%, #1E90F0 100%);
    transform: translateY(-1px);
}
.header-btn {
    flex: 0 0 auto;
}
.menu-toggle {
    display: none;
    width: 46px;
    height: 44px;
    border: 0;
    border-radius: 12px;
    background: #FFFFFF;
    box-shadow: 0 8px 18px rgba(56,92,138,0.10);
    padding: 12px 11px;
}
.menu-toggle span {
    display: block;
    height: 2px;
    margin: 5px 0;
    background: #4E5F7A;
    border-radius: 99px;
}
.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.46);
    z-index: 9998;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
}
.mobile-overlay.show {
    opacity: 1;
    pointer-events: auto;
}
.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 84vw;
    max-width: 320px;
    height: 100vh;
    background: #FFFFFF;
    z-index: 10000;
    transform: translateX(-105%);
    transition: transform .28s ease;
    box-shadow: 16px 0 42px rgba(36,52,71,0.18);
    overflow-y: auto;
}
.mobile-drawer.open {
    transform: translateX(0);
}
.drawer-open {
    overflow: hidden;
}
.drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 18px 16px;
    border-bottom: 1px solid rgba(40,156,255,0.14);
    background: #F5F7FB;
}
.drawer-logo img {
    width: 132px;
    max-height: 44px;
    object-fit: contain;
}
.drawer-close {
    width: 40px;
    height: 40px;
    border: 0;
    border-radius: 50%;
    background: #FFFFFF;
    color: #4E5F7A;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}
.drawer-nav {
    display: grid;
    gap: 8px;
    padding: 18px;
}
.drawer-nav a {
    display: block;
    padding: 13px 14px;
    border-radius: 14px;
    background: #F5F7FB;
    color: #4E5F7A;
    font-weight: 800;
}
.drawer-nav a.active,
.drawer-nav a:hover {
    color: #289CFF;
    background: #EEF2F7;
}
.site-main {
    padding-top: 22px;
}
h1, h2, h3, .section-title {
    color: #289CFF;
    line-height: 1.28;
    margin-top: 0;
}
h1 {
    font-size: clamp(30px, 4vw, 52px);
    margin-bottom: 18px;
}
h2, .section-title {
    font-size: clamp(24px, 3vw, 36px);
    margin-bottom: 16px;
}
h3 {
    font-size: 20px;
    margin-bottom: 10px;
}
p {
    margin: 0 0 14px;
}
.lead {
    color: #66788A;
    font-size: 18px;
}
.muted {
    color: #8A9AAF;
}
.banner-slider {
    max-width: 1200px;
    height: clamp(210px, 43vw, 520px);
    margin: 8px auto 36px;
    border-radius: 20px;
    background: #FFFFFF;
    box-shadow: 0 18px 40px rgba(56,92,138,0.12);
    overflow: hidden;
    position: relative;
}
.slides,
.slide {
    position: absolute;
    inset: 0;
}
.slide {
    opacity: 0;
    transition: opacity .45s ease;
    pointer-events: none;
}
.slide.active {
    opacity: 1;
    pointer-events: auto;
}
.banner-slider img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #FFFFFF;
}
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.86);
    color: #289CFF;
    font-size: 34px;
    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;
    left: 0;
    right: 0;
    bottom: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
.slider-dot {
    width: 10px;
    height: 10px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: rgba(78,95,122,0.32);
    cursor: pointer;
}
.slider-dot.active {
    width: 26px;
    border-radius: 999px;
    background: #289CFF;
}
.banner-caption,
.banner-text,
.slide-title,
.slide-desc,
.slide-content,
.slide-card,
.banner-card {
    display: none !important;
}
.section {
    padding: 44px 0;
}
.section.alt {
    background: #EEF2F7;
}
.section-head {
    max-width: 800px;
    margin-bottom: 24px;
}
.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.feature-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;
}
.card,
.info-card,
.feature-card {
    padding: 26px;
}
.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));
}
.hero-card {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 26px;
    align-items: center;
    padding: 30px;
    border-radius: 26px;
    background: rgba(255,255,255,0.92);
    border: 1px solid rgba(40,156,255,0.16);
    box-shadow: 0 14px 36px rgba(56,92,138,0.12);
}
.hero-actions {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    margin-top: 22px;
}
.content-img,
.zone-card img,
.app-section img,
.hero-card img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}
.image-panel {
    background: #FFFFFF;
    border-radius: 22px;
    padding: 14px;
    box-shadow: inset 0 0 0 1px rgba(40,156,255,0.10);
}
.image-panel img {
    width: 100%;
    max-height: 420px;
    object-fit: contain;
    border-radius: 16px;
    background: #FFFFFF;
}
.entry-card {
    min-height: 185px;
}
.entry-card .tag,
.tag {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(40,156,255,0.10);
    color: #289CFF;
    font-weight: 800;
    font-size: 13px;
    margin-bottom: 12px;
}
.text-link {
    font-weight: 800;
}
.zone-card {
    overflow: hidden;
}
.zone-card .zone-img {
    padding: 14px 14px 0;
}
.zone-card .zone-img img {
    width: 100%;
    height: 210px;
    object-fit: contain;
    border-radius: 16px;
    background: #FFFFFF;
}
.zone-card .zone-body {
    padding: 22px;
}
.notice-list {
    display: grid;
    gap: 14px;
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
}
.notice-list li {
    position: relative;
    padding-left: 28px;
    color: #66788A;
}
.notice-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .72em;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #289CFF;
    box-shadow: 0 0 0 5px rgba(40,156,255,0.12);
}
.number-list {
    counter-reset: step;
    display: grid;
    gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.number-list li {
    counter-increment: step;
    position: relative;
    padding: 18px 18px 18px 64px;
    border-radius: 18px;
    background: #FFFFFF;
    border: 1px solid rgba(40,156,255,0.14);
}
.number-list li::before {
    content: counter(step, decimal-leading-zero);
    position: absolute;
    left: 18px;
    top: 18px;
    color: #289CFF;
    font-weight: 900;
}
.review-card {
    padding: 24px;
}
.review-card strong {
    display: block;
    color: #289CFF;
    margin-bottom: 8px;
}
.faq-list {
    display: grid;
    gap: 16px;
}
.faq-item {
    padding: 24px;
}
.faq-item h3 {
    margin-bottom: 8px;
}
.page-hero {
    padding: 48px 0 34px;
}
.page-hero .hero-card {
    grid-template-columns: 1fr .7fr;
}
.page-hero .image-panel img {
    max-height: 330px;
}
.breadcrumb {
    display: inline-flex;
    gap: 6px;
    align-items: center;
    color: #8A9AAF;
    margin-bottom: 14px;
    font-weight: 700;
}
.breadcrumb span:last-child {
    color: #289CFF;
}
.split-card {
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 24px;
    align-items: center;
}
.highlight-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}
.highlight-bar span {
    padding: 8px 12px;
    border-radius: 999px;
    color: #289CFF;
    background: rgba(40,156,255,0.10);
    font-weight: 800;
    font-size: 13px;
}
.compliance-strip {
    border-radius: 24px;
    background: #DDE4EE;
    padding: 26px;
    border: 1px solid rgba(40,156,255,0.16);
}
.compliance-strip strong {
    color: #289CFF;
}
.site-footer {
    margin-top: 50px;
    background: #243447;
    color: #EAF3FF;
    padding: 46px 0 22px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr .8fr .8fr 1.3fr;
    gap: 30px;
}
.footer-brand img {
    width: 140px;
    max-height: 48px;
    object-fit: contain;
    margin-bottom: 16px;
}
.footer-brand p,
.footer-note p,
.footer-bottom {
    color: rgba(234,243,255,0.84);
}
.footer-links h3,
.footer-note h3 {
    color: #EAF3FF;
}
.footer-links a {
    display: block;
    color: rgba(234,243,255,0.86);
    margin: 8px 0;
}
.footer-links a:hover {
    color: #FFFFFF;
}
.footer-bottom {
    border-top: 1px solid rgba(234,243,255,0.14);
    margin-top: 28px;
    padding-top: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 14px;
}
@media (max-width: 1100px) {
    .nav a {
        font-size: 13px;
        padding-left: 6px;
        padding-right: 6px;
    }
    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}
@media (max-width: 900px) {
    .topbar {
        display: grid;
        grid-template-columns: 64px 1fr 82px;
        min-height: 68px;
        gap: 8px;
    }
    .menu-toggle {
        display: block;
        justify-self: start;
    }
    .brand-logo {
        justify-self: center;
    }
    .brand-logo img {
        width: 126px;
    }
    .nav {
        display: none;
    }
    .header-btn {
        min-height: 40px;
        padding: 0 18px;
        justify-self: end;
    }
    .site-main {
        padding-top: 14px;
    }
    .grid-2,
    .grid-3,
    .grid-4,
    .hero-card,
    .page-hero .hero-card,
    .split-card {
        grid-template-columns: 1fr;
    }
    .hero-card {
        padding: 24px;
    }
    .banner-slider {
        width: min(1200px, calc(100% - 24px));
        height: clamp(190px, 56vw, 360px);
        border-radius: 16px;
    }
    .slider-arrow {
        width: 38px;
        height: 38px;
        font-size: 28px;
    }
    .slider-prev {
        left: 10px;
    }
    .slider-next {
        right: 10px;
    }
    .section {
        padding: 34px 0;
    }
}
@media (max-width: 640px) {
    .container {
        width: min(100% - 24px, 1200px);
    }
    .lead {
        font-size: 16px;
    }
    .card,
    .info-card,
    .feature-card,
    .review-card,
    .faq-item {
        padding: 20px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .banner-slider {
        height: 220px;
    }
    .zone-card .zone-img img {
        height: 170px;
    }
    .image-panel img {
        max-height: 280px;
    }
}