* {
    box-sizing: border-box;
}

:root {
    --page-bg: #E6EBF2;
    --nav-bg: #F5F7FB;
    --white: #FFFFFF;
    --soft: #EEF2F7;
    --soft-deep: #DDE4EE;
    --blue: #289CFF;
    --nav-text: #4E5F7A;
    --text: #243447;
    --muted: #66788A;
    --light-text: #8A9AAF;
    --footer-bg: #243447;
    --footer-text: #EAF3FF;
    --border: rgba(40,156,255,0.16);
    --shadow: 0 14px 36px rgba(56,92,138,0.12);
    --button: linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--page-bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}

a {
    color: var(--blue);
    text-decoration: none;
}

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);
}

.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    min-height: 76px;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 22px;
}

.brand-logo img,
.mobile-logo img,
.drawer-logo img,
.footer-brand img {
    width: 154px;
    height: auto;
    object-fit: contain;
}

.nav {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    flex-wrap: nowrap;
    white-space: nowrap;
    overflow: hidden;
}

.nav a {
    position: relative;
    color: #4E5F7A;
    padding: 24px 8px 21px;
    font-weight: 700;
    font-size: 14px;
    transition: color .2s ease;
}

.nav a::after {
    content: "";
    position: absolute;
    left: 10px;
    right: 10px;
    bottom: 16px;
    height: 3px;
    border-radius: 6px;
    background: #289CFF;
    opacity: 0;
    transform: scaleX(.35);
    transition: all .2s ease;
}

.nav a:hover,
.nav a.active {
    color: #289CFF;
}

.nav a.active::after,
.nav a:hover::after {
    opacity: 1;
    transform: scaleX(1);
}

.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 24px;
    border-radius: 999px;
    background: linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
    color: #FFFFFF;
    box-shadow: 0 10px 24px rgba(36,155,255,0.25);
    font-weight: 800;
    letter-spacing: .04em;
    border: 0;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.main-btn:hover {
    background: linear-gradient(180deg, #48D9F7 0%, #1E90F0 100%);
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(36,155,255,0.32);
    color: #FFFFFF;
}

.header-btn {
    flex-shrink: 0;
}

.mobile-bar {
    display: none;
}

.menu-toggle,
.drawer-close,
.slider-arrow,
.slider-dot {
    border: 0;
    cursor: pointer;
    font-family: inherit;
}

.menu-toggle {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: #FFFFFF;
    box-shadow: 0 8px 20px rgba(56,92,138,.10);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}

.menu-toggle span {
    width: 20px;
    height: 2px;
    background: #4E5F7A;
    border-radius: 4px;
}

.mobile-drawer {
    position: fixed;
    left: 0;
    top: 0;
    width: 84vw;
    max-width: 320px;
    height: 100vh;
    background: #FFFFFF;
    z-index: 10001;
    transform: translateX(-105%);
    transition: transform .25s ease;
    box-shadow: 18px 0 42px rgba(20,45,78,.18);
    overflow-y: auto;
}

.drawer-open .mobile-drawer {
    transform: translateX(0);
}

.drawer-mask {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0,0,0,.42);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
}

.drawer-open .drawer-mask {
    opacity: 1;
    pointer-events: auto;
}

.drawer-open {
    overflow: hidden;
}

.drawer-head {
    min-height: 78px;
    padding: 16px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(40,156,255,.12);
    background: #F5F7FB;
}

.drawer-close {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #FFFFFF;
    color: #4E5F7A;
    font-size: 25px;
    line-height: 1;
    box-shadow: 0 8px 20px rgba(56,92,138,.10);
}

.drawer-nav {
    display: flex;
    flex-direction: column;
    padding: 14px;
    gap: 7px;
}

.drawer-nav a {
    color: #4E5F7A;
    font-weight: 800;
    padding: 13px 14px;
    border-radius: 16px;
    background: #F5F7FB;
}

.drawer-nav a.active {
    color: #289CFF;
    background: #EEF2F7;
    box-shadow: inset 3px 0 0 #289CFF;
}

.page,
.home-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 28px 22px 64px;
}

.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;
    aspect-ratio: 16 / 6.2;
    min-height: 210px;
}

.banner-slider .slides {
    height: 100%;
}

.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity .45s ease, visibility .45s ease;
    background: #FFFFFF;
}

.slide.active {
    opacity: 1;
    visibility: visible;
    position: absolute;
}

.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%);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(245,247,251,.92);
    color: #289CFF;
    font-size: 28px;
    line-height: 1;
    box-shadow: 0 10px 24px rgba(56,92,138,.18);
}

.slider-prev {
    left: 16px;
}

.slider-next {
    right: 16px;
}

.slider-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 14px;
    display: flex;
    justify-content: center;
    gap: 9px;
    z-index: 4;
}

.slider-dot {
    width: 10px;
    height: 10px;
    padding: 0;
    border-radius: 50%;
    background: rgba(78,95,122,.28);
}

.slider-dot.active {
    width: 26px;
    border-radius: 999px;
    background: #289CFF;
}

.section,
.inner-hero,
.notice-band {
    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;
    padding: 34px;
    margin-bottom: 28px;
}

.inner-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(280px, .92fr);
    gap: 34px;
    align-items: center;
    background: linear-gradient(135deg, rgba(255,255,255,.96), rgba(238,242,247,.92));
}

.hero-label,
.tag,
.step-num,
.stat strong,
.feature-mark {
    color: #289CFF;
    font-weight: 900;
}

.hero-label {
    display: inline-flex;
    margin-bottom: 10px;
    letter-spacing: .08em;
}

h1,
h2,
h3,
.section-title {
    color: #289CFF;
    line-height: 1.28;
    margin: 0 0 16px;
}

h1 {
    font-size: clamp(30px, 4vw, 48px);
    letter-spacing: -.04em;
}

h2 {
    font-size: clamp(24px, 3vw, 34px);
}

h3 {
    font-size: 20px;
}

p {
    margin: 0 0 14px;
}

.lead {
    color: #243447;
    font-size: 18px;
}

.muted {
    color: #66788A;
}

.small-note {
    color: #8A9AAF;
    font-size: 14px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 20px;
}

.text-link {
    font-weight: 800;
    color: #289CFF;
}

.visual-card {
    border-radius: 22px;
    background: #FFFFFF;
    border: 1px solid rgba(40,156,255,0.16);
    padding: 12px;
    box-shadow: 0 14px 36px rgba(56,92,138,0.10);
}

.visual-card img,
.content-img,
.zone-card img,
.app-section img,
.media-card img {
    width: 100%;
    max-width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 18px;
    background: #FFFFFF;
}

.section-head {
    max-width: 840px;
    margin-bottom: 22px;
}

.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,
.step-card,
.faq-card,
.service-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: 20px;
    padding: 24px;
}

.card h3,
.zone-card h3,
.info-card h3,
.review-card h3,
.step-card h3,
.service-card h3,
.faq-card h3 {
    margin-bottom: 10px;
}

.card p,
.zone-card p,
.info-card p,
.review-card p,
.step-card p,
.service-card p,
.faq-card p {
    color: #66788A;
}

.zone-card img,
.media-card img {
    margin-bottom: 18px;
}

.split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, .82fr);
    gap: 24px;
    align-items: center;
}

.soft-panel {
    background: #EEF2F7;
    border-radius: 22px;
    padding: 26px;
    border: 1px solid rgba(40,156,255,.14);
}

.steps {
    counter-reset: step;
}

.step-card {
    position: relative;
    padding-left: 78px;
}

.step-num {
    position: absolute;
    left: 22px;
    top: 22px;
    width: 40px;
    height: 40px;
    border-radius: 14px;
    background: #EEF2F7;
    display: flex;
    align-items: center;
    justify-content: center;
}

.review-card {
    background: #FFFFFF;
}

.review-card strong {
    display: block;
    color: #243447;
    margin-bottom: 8px;
}

.review-card span {
    color: #8A9AAF;
    font-size: 14px;
}

.notice-band {
    background: #DDE4EE;
}

.notice-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 14px;
    padding: 0;
    margin: 18px 0 0;
    list-style: none;
}

.notice-list li {
    background: rgba(255,255,255,.72);
    border-radius: 16px;
    padding: 16px;
    color: #4E5F7A;
    border: 1px solid rgba(40,156,255,.12);
}

.faq-list {
    display: grid;
    gap: 16px;
}

.faq-card h3 {
    font-size: 18px;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    color: #8A9AAF;
    font-size: 14px;
    margin-bottom: 18px;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 16px;
    margin-top: 22px;
}

.stat {
    border-radius: 18px;
    padding: 20px;
    background: #EEF2F7;
}

.stat strong {
    display: block;
    font-size: 26px;
}

.table-like {
    display: grid;
    gap: 12px;
}

.table-row {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 18px;
    padding: 18px;
    border-radius: 16px;
    background: #F5F7FB;
    border: 1px solid rgba(40,156,255,.12);
}

.table-row strong {
    color: #289CFF;
}

.site-footer {
    background: #243447;
    color: #EAF3FF;
    padding: 50px 22px 20px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(260px, .9fr) minmax(0, 1.6fr);
    gap: 38px;
}

.footer-brand p {
    color: rgba(234,243,255,.78);
    margin-top: 16px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, minmax(0,1fr));
    gap: 18px;
}

.footer-links strong {
    color: #FFFFFF;
    display: block;
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(234,243,255,.78);
    display: block;
    margin-bottom: 8px;
}

.footer-notice,
.footer-bottom {
    max-width: 1200px;
    margin: 28px auto 0;
    color: rgba(234,243,255,.74);
    border-top: 1px solid rgba(234,243,255,.12);
    padding-top: 18px;
}

.footer-bottom {
    text-align: center;
    font-size: 14px;
}

@media (max-width: 1120px) {
    .header-inner {
        display: none;
    }

    .mobile-bar {
        min-height: 68px;
        padding: 0 14px;
        display: grid;
        grid-template-columns: 58px minmax(0,1fr) auto;
        align-items: center;
        gap: 10px;
        background: #F5F7FB;
    }

    .mobile-logo {
        justify-self: center;
    }

    .mobile-logo img {
        width: 138px;
    }

    .mobile-bar .header-btn {
        min-height: 38px;
        padding: 0 18px;
    }

    .page,
    .home-page {
        padding-top: 20px;
    }
}

@media (max-width: 900px) {
    .inner-hero,
    .split,
    .footer-inner {
        grid-template-columns: 1fr;
    }

    .grid-4,
    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr 1fr;
    }

    .banner-slider {
        aspect-ratio: 16 / 8.5;
        min-height: 170px;
        margin-top: 18px;
    }
}

@media (max-width: 640px) {
    .page,
    .home-page {
        padding-left: 14px;
        padding-right: 14px;
        padding-bottom: 46px;
    }

    .section,
    .inner-hero,
    .notice-band {
        padding: 24px 18px;
        border-radius: 20px;
    }

    .grid-4,
    .grid-3,
    .grid-2,
    .notice-list,
    .stats-row,
    .footer-links {
        grid-template-columns: 1fr;
    }

    .table-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .step-card {
        padding-left: 24px;
        padding-top: 78px;
    }

    .step-num {
        left: 22px;
        top: 22px;
    }

    .slider-arrow {
        width: 36px;
        height: 36px;
        font-size: 24px;
    }

    .slider-prev {
        left: 10px;
    }

    .slider-next {
        right: 10px;
    }

    .mobile-logo img {
        width: 120px;
    }

    .mobile-bar .header-btn {
        padding: 0 14px;
    }
}