* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    background: #E6EBF2;
    color: #243447;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}
a {
    color: inherit;
    text-decoration: none;
}
img {
    max-width: 100%;
    display: block;
}
button {
    font-family: inherit;
    cursor: pointer;
}
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9990;
    background: rgba(245,247,251,0.94);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(56,92,138,0.10);
}
.main-nav {
    background: rgba(245,247,251,0.94);
}
.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 76px;
}
.logo,
.drawer-logo,
.footer-logo {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
}
.logo img {
    max-height: 52px;
    width: auto;
}
.drawer-logo img {
    max-height: 46px;
    width: auto;
}
.footer-logo img {
    max-height: 50px;
    width: auto;
}
.nav-core {
    flex: 1 1 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    white-space: nowrap;
    flex-wrap: nowrap;
    min-width: 0;
}
.nav-core a {
    color: #4E5F7A;
    position: relative;
    font-weight: 600;
    padding: 10px 4px;
}
.nav-core a:hover,
.nav-core a.active {
    color: #289CFF;
}
.nav-core a.active::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -12px;
    width: 28px;
    height: 3px;
    border-radius: 999px;
    background: #289CFF;
    transform: translateX(-50%);
}
.register-btn,
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
    color: #FFFFFF;
    font-weight: 700;
    border: 0;
    box-shadow: 0 12px 24px rgba(36,155,255,0.24);
    white-space: nowrap;
}
.register-btn {
    min-width: 92px;
    height: 42px;
    padding: 0 22px;
    flex: 0 0 auto;
}
.main-btn {
    min-height: 44px;
    padding: 0 24px;
}
.menu-toggle {
    display: none;
    border: 0;
    background: #FFFFFF;
    color: #289CFF;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    box-shadow: 0 8px 18px rgba(56,92,138,0.12);
    font-size: 22px;
    line-height: 1;
}
.channel-bar {
    background: rgba(255,255,255,0.78);
    border-top: 1px solid rgba(40,156,255,0.10);
    border-bottom: 1px solid rgba(40,156,255,0.10);
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: thin;
}
.channel-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 24px;
    display: flex;
    gap: 10px;
}
.channel-bar a {
    color: #66788A;
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 14px;
    background: rgba(245,247,251,0.72);
    flex: 0 0 auto;
}
.channel-bar a:hover,
.channel-bar a.active {
    color: #289CFF;
    background: rgba(40,156,255,0.10);
}
.site-main {
    padding-top: 134px;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.banner-slider {
    max-width: 1200px;
    height: 380px;
    margin: 28px auto 36px;
    border-radius: 22px;
    background: #FFFFFF;
    box-shadow: 0 18px 40px rgba(56,92,138,0.12);
    overflow: hidden;
    position: relative;
    z-index: 1;
}
.banner-slider .slide {
    display: none;
    width: 100%;
    height: 100%;
}
.banner-slider .slide.active {
    display: block;
}
.banner-slider img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #FFFFFF;
}
.banner-caption,
.banner-text,
.slide-title,
.slide-desc,
.slide-content,
.slide-card,
.banner-card {
    display: none !important;
}
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    border: none;
    width: 42px;
    height: 42px;
    border-radius: 999px;
    background: rgba(255,255,255,0.86);
    color: #289CFF;
    box-shadow: 0 8px 20px rgba(56,92,138,0.16);
    font-size: 26px;
    line-height: 1;
}
.slider-arrow.prev {
    left: 16px;
}
.slider-arrow.next {
    right: 16px;
}
.slider-dots {
    position: absolute;
    left: 50%;
    bottom: 14px;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 3;
}
.slider-dots button {
    width: 9px;
    height: 9px;
    padding: 0;
    border-radius: 50%;
    border: none;
    background: rgba(40,156,255,0.24);
}
.slider-dots button.active {
    background: #289CFF;
}
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;
}
.small-text,
.card-note,
.meta-text {
    color: #8A9AAF;
}
.lead {
    color: #66788A;
    font-size: 18px;
}
.section {
    margin: 36px auto;
}
.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.page-hero,
.notice-box {
    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: 44px;
    margin: 32px auto;
    background: linear-gradient(135deg, rgba(255,255,255,0.96), rgba(238,242,247,0.90));
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
    margin-top: 22px;
}
.text-link {
    color: #289CFF;
    font-weight: 700;
}
.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));
}
.card,
.info-card,
.review-card,
.faq-item,
.notice-box {
    padding: 24px;
}
.card h3 a,
.zone-card h3 a {
    color: #289CFF;
}
.split {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    gap: 28px;
    align-items: center;
}
.split.reverse {
    grid-template-columns: .92fr 1.08fr;
}
.content-img,
.zone-card img,
.app-section img {
    width: 100%;
    max-width: 100%;
    height: 240px;
    object-fit: contain;
    background: #FFFFFF;
    border-radius: 20px;
    border: 1px solid rgba(40,156,255,0.12);
}
.zone-card {
    overflow: hidden;
}
.zone-card img {
    border: 0;
    border-radius: 0;
    height: 170px;
}
.zone-card .zone-body {
    padding: 22px;
}
.pill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}
.pill-list span,
.pill-list a {
    border-radius: 999px;
    padding: 8px 13px;
    background: rgba(40,156,255,0.10);
    color: #289CFF;
    font-weight: 600;
    font-size: 14px;
}
.check-list {
    padding: 0;
    margin: 16px 0 0;
    list-style: none;
    display: grid;
    gap: 10px;
}
.check-list li {
    position: relative;
    padding-left: 24px;
    color: #4E5F7A;
}
.check-list li::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #289CFF;
    position: absolute;
    left: 0;
    top: 13px;
}
.category-grid .card {
    min-height: 170px;
}
.service-overview .card {
    min-height: 220px;
}
.matrix .card {
    min-height: 190px;
}
.review-card {
    color: #4E5F7A;
}
.review-card strong {
    color: #289CFF;
    display: block;
    margin-bottom: 8px;
}
.faq-list {
    display: grid;
    gap: 16px;
}
.faq-item h3 {
    margin-bottom: 8px;
}
.notice-box {
    background: #F5F7FB;
    border-color: rgba(40,156,255,0.18);
}
.notice-box p {
    color: #4E5F7A;
}
.floating-service {
    position: fixed;
    right: 18px;
    top: 42%;
    z-index: 60;
    display: grid;
    gap: 10px;
}
.floating-service a,
.floating-service button {
    min-width: 64px;
    min-height: 42px;
    padding: 0 12px;
    border-radius: 16px;
    background: #FFFFFF;
    color: #289CFF;
    border: 1px solid rgba(40,156,255,0.16);
    box-shadow: 0 14px 30px rgba(56,92,138,0.12);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.floating-service a.register-link {
    background: linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
    color: #FFFFFF;
}
.drawer-mask {
    position: fixed;
    inset: 0;
    background: rgba(20,38,64,0.42);
    opacity: 0;
    pointer-events: none;
    z-index: 9998;
    transition: opacity .25s ease;
}
.mobile-drawer {
    position: fixed;
    left: 0;
    top: 0;
    width: 84%;
    max-width: 320px;
    height: 100vh;
    background: #FFFFFF;
    z-index: 10000;
    transform: translateX(-102%);
    transition: transform .25s ease;
    box-shadow: 18px 0 40px rgba(20,38,64,0.16);
    display: flex;
    flex-direction: column;
}
.drawer-open .drawer-mask {
    opacity: 1;
    pointer-events: auto;
}
.drawer-open .mobile-drawer {
    transform: translateX(0);
}
.drawer-open {
    overflow: hidden;
}
.drawer-head {
    height: 72px;
    padding: 0 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(40,156,255,0.12);
}
.drawer-close {
    border: 0;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: #EEF2F7;
    color: #289CFF;
    font-size: 24px;
}
.drawer-links {
    padding: 16px;
    overflow-y: auto;
    display: grid;
    gap: 8px;
}
.drawer-links a {
    padding: 12px 14px;
    border-radius: 14px;
    color: #4E5F7A;
    font-weight: 650;
    background: #F5F7FB;
}
.drawer-links a.active,
.drawer-links a:hover {
    color: #289CFF;
    background: rgba(40,156,255,0.10);
}
.site-footer {
    background: #243447;
    color: #EAF3FF;
    margin-top: 48px;
}
.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 42px 24px 24px;
    display: grid;
    grid-template-columns: 1.6fr repeat(3, 1fr);
    gap: 28px;
}
.footer-brand p {
    color: rgba(234,243,255,0.82);
    margin-top: 18px;
}
.footer-col {
    display: grid;
    gap: 8px;
    align-content: start;
}
.footer-col h3 {
    color: #EAF3FF;
    margin-bottom: 6px;
}
.footer-col a {
    color: rgba(234,243,255,0.78);
}
.footer-col a:hover {
    color: #FFFFFF;
}
.footer-note {
    border-top: 1px solid rgba(234,243,255,0.12);
    max-width: 1200px;
    margin: 0 auto;
    padding: 18px 24px 26px;
    color: rgba(234,243,255,0.74);
}
.mobile-bottom-nav {
    display: none;
}
@media (max-width: 1024px) {
    .banner-slider {
        height: 300px;
        margin-left: 24px;
        margin-right: 24px;
    }
    .grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .floating-service {
        display: none;
    }
}
@media (max-width: 780px) {
    body {
        padding-bottom: 78px;
    }
    .site-main {
        padding-top: 68px;
    }
    .header-inner {
        min-height: 68px;
        padding: 0 14px;
        gap: 12px;
        position: relative;
    }
    .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        order: 1;
    }
    .logo {
        order: 2;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }
    .logo img {
        max-height: 42px;
    }
    .nav-core,
    .channel-bar {
        display: none;
    }
    .register-btn {
        order: 3;
        min-width: 72px;
        height: 38px;
        padding: 0 16px;
        margin-left: auto;
    }
    .banner-slider {
        height: 210px;
        margin: 18px 14px 24px;
        border-radius: 18px;
    }
    .slider-arrow {
        width: 36px;
        height: 36px;
        font-size: 22px;
    }
    .slider-arrow.prev {
        left: 10px;
    }
    .slider-arrow.next {
        right: 10px;
    }
    .container {
        padding: 0 14px;
    }
    .page-hero {
        padding: 28px 20px;
        margin: 22px auto;
    }
    .grid-2,
    .grid-3,
    .grid-4,
    .split,
    .split.reverse {
        grid-template-columns: 1fr;
    }
    .section {
        margin: 26px auto;
    }
    .card,
    .info-card,
    .review-card,
    .faq-item,
    .notice-box {
        padding: 20px;
    }
    .content-img,
    .app-section img {
        height: 210px;
    }
    .zone-card img {
        height: 150px;
    }
    .footer-inner {
        grid-template-columns: 1fr;
        padding: 34px 18px 18px;
    }
    .footer-note {
        padding: 16px 18px 24px;
    }
    .mobile-bottom-nav {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        position: fixed;
        left: 12px;
        right: 12px;
        bottom: 10px;
        z-index: 9980;
        background: rgba(255,255,255,0.96);
        border: 1px solid rgba(40,156,255,0.16);
        box-shadow: 0 16px 34px rgba(56,92,138,0.18);
        border-radius: 20px;
        overflow: hidden;
    }
    .mobile-bottom-nav a {
        padding: 10px 4px;
        text-align: center;
        color: #4E5F7A;
        font-weight: 700;
        font-size: 13px;
    }
    .mobile-bottom-nav a:hover {
        color: #289CFF;
        background: rgba(40,156,255,0.08);
    }
}
@media (max-width: 430px) {
    .banner-slider {
        height: 180px;
    }
    .lead {
        font-size: 16px;
    }
}