* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    background: #E6EBF2;
    color: #243447;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}
a {
    color: inherit;
    text-decoration: none;
}
img {
    max-width: 100%;
    display: block;
}
.site-header {
    position: sticky;
    top: 0;
    z-index: 900;
    background: rgba(255,255,255,0.90);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(56,92,138,0.10);
}
.header-inner {
    max-width: 1200px;
    min-height: 76px;
    margin: 0 auto;
    padding: 0 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.logo img,
.mobile-logo img {
    max-height: 52px;
    width: auto;
}
.nav-core {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    white-space: nowrap;
    flex-wrap: nowrap;
    min-width: 0;
}
.nav-core a {
    color: #4E5F7A;
    position: relative;
    font-weight: 700;
    padding: 10px 8px;
    border-radius: 999px;
    transition: color .2s ease, background .2s ease;
}
.nav-core a:hover,
.nav-core a.active {
    color: #289CFF;
    background: rgba(40,156,255,0.08);
}
.nav-core a.active::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -7px;
    width: 28px;
    height: 3px;
    border-radius: 999px;
    background: #289CFF;
    transform: translateX(-50%);
}
.register-top,
.mobile-register,
.main-btn,
.small-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
    color: #FFFFFF;
    border-radius: 999px;
    font-weight: 800;
    box-shadow: 0 12px 28px rgba(36,155,255,0.24);
}
.register-top {
    width: 86px;
    height: 42px;
    flex: 0 0 auto;
}
.mobile-register {
    min-width: 68px;
    height: 38px;
    padding: 0 18px;
}
.mobile-topbar {
    display: none;
}
.menu-toggle,
.drawer-close {
    border: none;
    background: #FFFFFF;
    color: #289CFF;
    font-size: 24px;
    border-radius: 14px;
    box-shadow: 0 8px 20px rgba(56,92,138,0.12);
    width: 42px;
    height: 42px;
}
.drawer-mask {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(20,33,48,0.42);
    z-index: 9998;
}
.drawer-mask.show {
    display: block;
}
.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 84vw;
    max-width: 320px;
    height: 100vh;
    background: #FFFFFF;
    z-index: 10000;
    transform: translateX(-104%);
    transition: transform .26s ease;
    box-shadow: 22px 0 44px rgba(36,52,71,0.20);
    overflow-y: auto;
    padding: 18px;
}
.mobile-drawer.open {
    transform: translateX(0);
}
.drawer-open {
    overflow: hidden;
}
.drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(40,156,255,0.14);
}
.drawer-head img {
    max-height: 48px;
    width: auto;
}
.drawer-nav {
    display: grid;
    gap: 8px;
    padding: 16px 0 28px;
}
.drawer-nav a {
    padding: 12px 14px;
    border-radius: 14px;
    color: #4E5F7A;
    font-weight: 700;
    background: #F5F7FB;
}
.drawer-nav a.active,
.drawer-nav a:hover {
    color: #289CFF;
    background: rgba(40,156,255,0.12);
}
.layout-wrap {
    width: min(1440px, calc(100% - 36px));
    margin: 0 auto;
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}
.side-channel {
    position: sticky;
    top: 104px;
    background: rgba(255,255,255,0.92);
    border: 1px solid rgba(40,156,255,0.14);
    border-radius: 18px;
    box-shadow: 0 14px 32px rgba(56,92,138,0.10);
    padding: 16px;
    margin-top: 28px;
}
.side-channel strong {
    display: block;
    color: #243447;
    font-size: 16px;
    margin-bottom: 10px;
}
.side-channel a {
    display: block;
    color: #66788A;
    border-radius: 12px;
    padding: 8px 10px;
    font-size: 14px;
    font-weight: 700;
    transition: color .2s ease, background .2s ease;
}
.side-channel a:hover,
.side-channel a.active {
    color: #289CFF;
    background: rgba(40,156,255,0.10);
}
.site-main {
    min-width: 0;
    padding-bottom: 34px;
}
.floating-service {
    position: fixed;
    right: 18px;
    top: 42%;
    z-index: 60;
    display: grid;
    gap: 10px;
}
.floating-service a,
.floating-service button {
    width: 56px;
    min-height: 42px;
    border-radius: 16px;
    border: 1px solid rgba(40,156,255,0.16);
    background: #FFFFFF;
    color: #289CFF;
    box-shadow: 0 14px 30px rgba(56,92,138,0.12);
    font-weight: 800;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
}
.floating-service a.register-link {
    background: linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
    color: #FFFFFF;
}
.mobile-bottom-nav {
    display: none;
}
.banner-slider {
    max-width: 1200px;
    height: 360px;
    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;
    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;
    width: 42px;
    height: 42px;
    border: none;
    border-radius: 999px;
    background: rgba(255,255,255,0.86);
    color: #289CFF;
    box-shadow: 0 8px 20px rgba(56,92,138,0.16);
    cursor: pointer;
    font-size: 26px;
}
.slider-prev { left: 16px; }
.slider-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;
    border-radius: 50%;
    border: none;
    background: rgba(40,156,255,0.24);
    padding: 0;
    cursor: pointer;
}
.slider-dots button.active {
    background: #289CFF;
}
.page-hero,
.section,
.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.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: 24px;
}
.page-hero {
    padding: 42px;
    margin: 28px auto 24px;
    max-width: 1200px;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
    gap: 32px;
    align-items: center;
}
.page-hero.text-only {
    grid-template-columns: 1fr;
}
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #289CFF;
    background: rgba(40,156,255,0.10);
    border: 1px solid rgba(40,156,255,0.14);
    padding: 5px 12px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 800;
}
h1, h2, h3, .section-title {
    color: #289CFF;
    line-height: 1.3;
}
h1 {
    margin: 14px 0 14px;
    font-size: clamp(30px, 4vw, 48px);
}
h2 {
    margin: 0 0 18px;
    font-size: clamp(24px, 3vw, 34px);
}
h3 {
    margin: 0 0 10px;
    font-size: 21px;
}
p {
    margin: 0 0 14px;
    color: #4E5F7A;
}
.lead {
    font-size: 18px;
    color: #243447;
}
.main-btn {
    min-height: 46px;
    padding: 0 26px;
    margin-top: 8px;
}
.small-btn {
    min-height: 38px;
    padding: 0 18px;
    font-size: 14px;
}
.content-img,
.zone-card img,
.app-section img,
.banner-slider img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}
.hero-img,
.section-img {
    width: 100%;
    max-height: 300px;
    object-fit: contain;
    background: #F5F7FB;
    border-radius: 20px;
    padding: 12px;
}
.section {
    max-width: 1200px;
    margin: 0 auto 24px;
    padding: 30px;
}
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
}
.section-head p {
    max-width: 720px;
}
.grid-2,
.grid-3,
.grid-4,
.grid-auto {
    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)); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.card,
.zone-card,
.info-card,
.review-card,
.faq-item {
    padding: 22px;
}
.card img,
.zone-card img,
.info-card img {
    width: 100%;
    height: 170px;
    object-fit: contain;
    background: #F5F7FB;
    border-radius: 18px;
    margin-bottom: 16px;
    padding: 10px;
}
.link-text {
    color: #289CFF;
    font-weight: 800;
}
.pill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}
.pill-list a,
.pill-list span {
    background: #EEF2F7;
    color: #4E5F7A;
    border: 1px solid rgba(40,156,255,0.14);
    padding: 8px 12px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 14px;
}
.notice-box {
    max-width: 1200px;
    margin: 0 auto 24px;
    padding: 24px 28px;
    background: #EEF2F7;
}
.notice-box strong {
    color: #243447;
}
.review-card cite {
    display: block;
    color: #289CFF;
    font-style: normal;
    font-weight: 800;
    margin-top: 10px;
}
.faq-item h3,
.faq-item h2 {
    font-size: 20px;
}
.site-footer {
    background: #243447;
    color: #EAF3FF;
    margin-top: 12px;
    padding: 38px 22px 42px;
}
.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.25fr .8fr 1fr;
    gap: 28px;
    align-items: start;
}
.footer-brand img {
    max-height: 48px;
    width: auto;
    margin-bottom: 14px;
}
.site-footer p,
.site-footer a {
    color: #EAF3FF;
}
.footer-links {
    display: grid;
    gap: 10px;
}
.footer-links a {
    background: rgba(255,255,255,0.08);
    border-radius: 12px;
    padding: 8px 12px;
}
@media (max-width: 1180px) {
    .layout-wrap {
        width: min(100% - 28px, 1200px);
        grid-template-columns: 1fr;
    }
    .side-channel,
    .floating-service {
        display: none;
    }
}
@media (max-width: 860px) {
    body {
        padding-bottom: 72px;
    }
    .header-inner {
        display: none;
    }
    .mobile-topbar {
        min-height: 64px;
        padding: 10px 14px;
        display: grid;
        grid-template-columns: 48px minmax(0, 1fr) auto;
        align-items: center;
        gap: 10px;
    }
    .mobile-logo {
        justify-self: center;
    }
    .layout-wrap {
        width: min(100% - 22px, 760px);
    }
    .banner-slider {
        height: 210px;
        border-radius: 18px;
        margin: 18px auto 22px;
    }
    .slider-arrow {
        width: 34px;
        height: 34px;
        font-size: 20px;
    }
    .page-hero,
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    .page-hero,
    .section,
    .notice-box {
        padding: 22px;
        border-radius: 20px;
    }
    .section-head {
        display: block;
    }
    .mobile-bottom-nav {
        position: fixed;
        left: 10px;
        right: 10px;
        bottom: 10px;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
        z-index: 800;
        background: rgba(255,255,255,0.94);
        border: 1px solid rgba(40,156,255,0.16);
        box-shadow: 0 14px 28px rgba(56,92,138,0.20);
        border-radius: 20px;
        padding: 8px;
        backdrop-filter: blur(10px);
    }
    .mobile-bottom-nav a {
        text-align: center;
        color: #289CFF;
        background: #F5F7FB;
        border-radius: 14px;
        padding: 8px 4px;
        font-size: 14px;
        font-weight: 800;
    }
    .footer-inner {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 520px) {
    .banner-slider {
        height: 180px;
    }
    h1 {
        font-size: 30px;
    }
    .card img,
    .zone-card img,
    .info-card img {
        height: 150px;
    }
}