* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    background: #F3FBFF;
    color: #1F2D3A;
    line-height: 1.72;
    overflow-x: hidden;
}
a {
    color: #22AEEA;
    text-decoration: none;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
.container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}
.site-header {
    position: sticky;
    top: 0;
    z-index: 9999;
    background: rgba(255,255,255,0.94);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(34,174,234,0.10);
}
.desktop-head {
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.brand-logo img,
.mobile-logo img {
    width: 138px;
    max-height: 46px;
    object-fit: contain;
}
.nav-core {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}
.nav-core a {
    color: #147FB8;
    background: rgba(34,174,234,0.08);
    border: 1px solid rgba(34,174,234,0.12);
    border-radius: 999px;
    padding: 10px 18px;
    font-size: 15px;
    white-space: nowrap;
    transition: all .25s ease;
}
.nav-core a:hover,
.nav-core a.active {
    color: #22AEEA;
    background: linear-gradient(135deg, rgba(109,230,255,0.24), rgba(34,174,234,0.12));
    box-shadow: 0 10px 24px rgba(34,174,234,0.12);
}
.head-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.panel-open {
    border: 1px solid rgba(34,174,234,0.20);
    color: #147FB8;
    background: #FFFFFF;
    border-radius: 999px;
    padding: 10px 18px;
    cursor: pointer;
    font: inherit;
    transition: all .25s ease;
}
.panel-open:hover {
    color: #22AEEA;
    box-shadow: 0 10px 24px rgba(34,174,234,0.14);
}
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 24px;
    border-radius: 999px;
    background: linear-gradient(135deg, #6DE6FF 0%, #22AEEA 48%, #168DCC 100%);
    color: #FFFFFF;
    font-weight: 700;
    box-shadow: 0 12px 28px rgba(34,174,234,0.26);
    transition: transform .25s ease, box-shadow .25s ease;
    border: 0;
    white-space: nowrap;
}
.main-btn:hover {
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 16px 36px rgba(22,141,204,0.30);
}
.mobile-head {
    display: none;
    height: 64px;
    align-items: center;
    justify-content: space-between;
    padding: 0 14px;
}
.hamburger {
    width: 44px;
    height: 44px;
    border: 1px solid rgba(34,174,234,0.18);
    background: #FFFFFF;
    border-radius: 14px;
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}
.hamburger span {
    width: 20px;
    height: 2px;
    background: #22AEEA;
    border-radius: 6px;
}
.mobile-register {
    min-height: 38px;
    padding: 8px 16px;
}
.overlay {
    position: fixed;
    inset: 0;
    z-index: 9998;
    background: rgba(11,61,92,0.35);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
}
.overlay.show {
    opacity: 1;
    pointer-events: auto;
}
.menu-lock {
    overflow: hidden;
}
.category-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: min(430px, 92vw);
    height: 100vh;
    background: #FFFFFF;
    box-shadow: 0 18px 48px rgba(34,174,234,0.16);
    z-index: 10000;
    transform: translateX(104%);
    transition: transform .3s ease;
    overflow-y: auto;
    padding: 24px;
}
.category-panel.show {
    transform: translateX(0);
}
.panel-head,
.drawer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 20px;
}
.panel-head strong {
    color: #22AEEA;
    font-size: 24px;
}
.close-btn {
    border: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #EAF8FF;
    color: #147FB8;
    font-size: 26px;
    cursor: pointer;
}
.panel-group {
    padding: 16px 0;
    border-top: 1px solid rgba(34,174,234,0.14);
}
.panel-group h3 {
    margin: 0 0 12px;
    color: #22AEEA;
    font-size: 17px;
}
.panel-group a {
    display: block;
    padding: 12px 14px;
    border-radius: 16px;
    color: #1F2D3A;
    transition: all .25s ease;
}
.panel-group a:hover {
    background: #F3FBFF;
    color: #22AEEA;
}
.panel-group a span {
    display: block;
    font-weight: 700;
}
.panel-group a em {
    display: block;
    font-style: normal;
    color: #8BA1B5;
    font-size: 13px;
    margin-top: 3px;
}
.mobile-drawer {
    position: fixed;
    left: 0;
    top: 0;
    width: min(84vw, 320px);
    height: 100vh;
    z-index: 10000;
    background: linear-gradient(180deg, #FFFFFF 0%, #F7FCFF 100%);
    transform: translateX(-104%);
    transition: transform .3s ease;
    overflow-y: auto;
    padding: 20px;
}
.mobile-drawer.show {
    transform: translateX(0);
}
.drawer-top img {
    width: 128px;
    max-height: 44px;
    object-fit: contain;
}
.drawer-nav {
    display: grid;
    gap: 8px;
}
.drawer-nav a {
    color: #1F2D3A;
    padding: 12px 14px;
    border-radius: 16px;
    background: rgba(34,174,234,0.06);
}
.drawer-nav a.active,
.drawer-nav a:hover {
    color: #22AEEA;
    background: #EAF8FF;
}
.mobile-bottom-nav {
    display: none;
}
.site-main {
    min-height: 70vh;
}
.hero-section {
    padding: 64px 0 30px;
    background:
        radial-gradient(circle at 12% 20%, rgba(109,230,255,0.24) 0%, rgba(109,230,255,0) 30%),
        radial-gradient(circle at 86% 18%, rgba(34,174,234,0.18) 0%, rgba(34,174,234,0) 30%),
        linear-gradient(135deg, #FFFFFF 0%, #F3FBFF 52%, #EAF8FF 100%);
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    align-items: center;
    gap: 36px;
}
.section-kicker,
.tag,
.label,
.num,
.badge {
    color: #22AEEA;
    font-weight: 700;
}
.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(34,174,234,0.18);
    border-radius: 999px;
    padding: 6px 14px;
    background: rgba(255,255,255,0.82);
    margin-bottom: 16px;
}
h1,
h2,
h3,
.section-title {
    color: #22AEEA;
    line-height: 1.25;
}
h1 {
    font-size: clamp(34px, 5vw, 56px);
    margin: 0 0 18px;
}
h2 {
    font-size: clamp(26px, 3.2vw, 38px);
    margin: 0 0 14px;
}
h3 {
    font-size: 21px;
}
.lead {
    font-size: 17px;
    color: #5C6F82;
    margin: 0 0 24px;
}
.hero-actions {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}
.text-link {
    color: #22AEEA;
    font-weight: 700;
}
.hero-visual,
.image-card {
    background: #FFFFFF;
    border: 1px solid rgba(34,174,234,0.16);
    box-shadow: 0 14px 36px rgba(34,174,234,0.12);
    border-radius: 30px;
    padding: 18px;
    position: relative;
    overflow: hidden;
}
.hero-visual:before,
.image-card:before {
    content: "";
    position: absolute;
    inset: 14px;
    border-radius: 24px;
    border: 1px dashed rgba(34,174,234,0.18);
    pointer-events: none;
}
.hero-visual img {
    width: 100%;
    height: 320px;
    object-fit: contain;
    position: relative;
    z-index: 1;
}
.summary-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 28px;
}
.card,
.zone-card,
.info-card,
.review-card,
.faq-card,
.stat-card {
    background: #FFFFFF;
    border: 1px solid rgba(34,174,234,0.16);
    box-shadow: 0 14px 36px rgba(34,174,234,0.12);
    border-radius: 24px;
}
.summary-cards .card,
.info-card,
.stat-card {
    padding: 20px;
}
.card h3,
.info-card h3,
.zone-card h3 {
    margin-top: 8px;
}
.quick-cats {
    padding: 28px 0;
}
.quick-scroll {
    display: grid;
    grid-template-columns: repeat(8, minmax(126px, 1fr));
    gap: 12px;
}
.quick-scroll a {
    background: rgba(255,255,255,0.88);
    border: 1px solid rgba(34,174,234,0.16);
    border-radius: 999px;
    padding: 12px 16px;
    color: #1F2D3A;
    transition: all .25s ease;
}
.quick-scroll a:hover {
    border-color: #22AEEA;
    color: #22AEEA;
    transform: translateY(-2px);
}
.quick-scroll strong,
.quick-scroll em {
    display: block;
}
.quick-scroll em {
    color: #8BA1B5;
    font-style: normal;
    font-size: 12px;
}
.section {
    padding: 44px 0;
}
.soft-band {
    background: linear-gradient(135deg, rgba(255,255,255,0.88), rgba(234,248,255,0.92));
    border: 1px solid rgba(34,174,234,0.16);
    border-radius: 30px;
    padding: 28px;
    box-shadow: 0 14px 36px rgba(34,174,234,0.10);
}
.section-head {
    max-width: 820px;
    margin-bottom: 24px;
}
.section-head p {
    color: #5C6F82;
}
.info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.two-col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.feature-card {
    display: grid;
    grid-template-columns: 210px 1fr;
    gap: 22px;
    padding: 22px;
    border-radius: 28px;
    background: #FFFFFF;
    border: 1px solid rgba(34,174,234,0.16);
    box-shadow: 0 14px 36px rgba(34,174,234,0.12);
}
.feature-card img {
    width: 100%;
    height: 210px;
    object-fit: contain;
    border-radius: 22px;
    background: #F7FCFF;
}
.point-list {
    padding: 0;
    margin: 16px 0;
    display: grid;
    gap: 8px;
    list-style: none;
}
.point-list li {
    position: relative;
    padding-left: 20px;
    color: #5C6F82;
}
.point-list li:before {
    content: "";
    position: absolute;
    left: 0;
    top: .75em;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22AEEA;
}
.zone-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.zone-card {
    overflow: hidden;
}
.zone-card img {
    width: 100%;
    height: 190px;
    object-fit: contain;
    background: #F7FCFF;
    padding: 14px;
}
.zone-card .zone-body {
    padding: 20px;
}
.app-block {
    display: grid;
    grid-template-columns: .95fr 1.05fr;
    gap: 28px;
    align-items: center;
    border-radius: 30px;
    padding: 28px;
    background: #FFFFFF;
    border: 1px solid rgba(34,174,234,0.16);
    box-shadow: 0 14px 36px rgba(34,174,234,0.12);
}
.app-block img,
.image-card img {
    width: 100%;
    height: 280px;
    object-fit: contain;
    border-radius: 24px;
    background: #F7FCFF;
}
.notice-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.notice-box {
    padding: 24px;
    background: #FFFFFF;
    border-radius: 24px;
    border: 1px solid rgba(34,174,234,0.16);
}
.reviews {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.review-card {
    padding: 22px;
}
.review-card strong {
    color: #147FB8;
}
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}
.faq-card {
    padding: 22px;
}
.faq-card h3 {
    margin-top: 0;
}
.inner-hero {
    padding: 56px 0 26px;
    background:
        radial-gradient(circle at 15% 14%, rgba(109,230,255,0.20), rgba(109,230,255,0) 28%),
        linear-gradient(135deg, #FFFFFF 0%, #F3FBFF 56%, #EAF8FF 100%);
}
.inner-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 36px;
    align-items: center;
}
.inner-grid .image-card img {
    height: 300px;
}
.stat-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 20px;
}
.stat-card strong {
    display: block;
    color: #22AEEA;
    font-size: 24px;
}
.content-grid {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 28px;
}
.article-card {
    padding: 26px;
    background: #FFFFFF;
    border: 1px solid rgba(34,174,234,0.16);
    border-radius: 28px;
    box-shadow: 0 14px 36px rgba(34,174,234,0.12);
}
.article-card p {
    color: #5C6F82;
}
.side-stack {
    display: grid;
    gap: 18px;
}
.side-card {
    background: #FFFFFF;
    border: 1px solid rgba(34,174,234,0.16);
    border-radius: 24px;
    padding: 22px;
}
.topic-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.topic-card {
    background: #FFFFFF;
    border: 1px solid rgba(34,174,234,0.16);
    border-radius: 24px;
    padding: 22px;
    box-shadow: 0 14px 36px rgba(34,174,234,0.10);
}
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.gallery-grid img {
    width: 100%;
    height: 180px;
    object-fit: contain;
    background: #FFFFFF;
    border: 1px solid rgba(34,174,234,0.16);
    border-radius: 22px;
    padding: 12px;
}
.site-footer {
    background: #0B3D5C;
    color: #EAF8FF;
    margin-top: 46px;
    padding: 46px 0 18px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 28px;
}
.footer-brand img {
    width: 140px;
    max-height: 48px;
    object-fit: contain;
    margin-bottom: 14px;
}
.footer-brand p,
.footer-note p {
    color: rgba(234,248,255,0.82);
}
.footer-col h3 {
    color: #EAF8FF;
    margin-top: 0;
}
.footer-col a {
    display: block;
    color: rgba(234,248,255,0.82);
    margin: 8px 0;
}
.footer-col a:hover {
    color: #6DE6FF;
}
.footer-note {
    border-top: 1px solid rgba(234,248,255,0.16);
    margin-top: 30px;
    padding-top: 18px;
}
@media (max-width: 1000px) {
    .desktop-head {
        display: none;
    }
    .mobile-head {
        display: flex;
    }
    .mobile-bottom-nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 9997;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        background: #FFFFFF;
        border-top: 1px solid rgba(34,174,234,0.16);
        box-shadow: 0 -8px 24px rgba(34,174,234,0.10);
    }
    .mobile-bottom-nav a {
        color: #5C6F82;
        text-align: center;
        padding: 8px 4px 7px;
        font-size: 12px;
    }
    .mobile-bottom-nav span {
        display: block;
        color: inherit;
        font-weight: 700;
        line-height: 1.2;
    }
    .mobile-bottom-nav a.active {
        color: #22AEEA;
    }
    body {
        padding-bottom: 66px;
    }
    .hero-grid,
    .inner-grid,
    .content-grid,
    .app-block {
        grid-template-columns: 1fr;
    }
    .summary-cards,
    .info-grid,
    .topic-grid,
    .reviews,
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .quick-scroll {
        overflow-x: auto;
        display: flex;
        padding-bottom: 8px;
    }
    .quick-scroll a {
        min-width: 170px;
    }
    .feature-card {
        grid-template-columns: 1fr;
    }
    .feature-card img,
    .hero-visual img,
    .inner-grid .image-card img,
    .app-block img {
        height: 240px;
    }
}
@media (max-width: 700px) {
    .container {
        width: min(100% - 24px, 1180px);
    }
    .hero-section {
        padding: 34px 0 18px;
    }
    .section {
        padding: 32px 0;
    }
    .summary-cards,
    .info-grid,
    .two-col,
    .zone-grid,
    .notice-grid,
    .reviews,
    .faq-grid,
    .stat-row,
    .topic-grid,
    .gallery-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .hero-visual,
    .image-card,
    .soft-band,
    .article-card,
    .app-block {
        border-radius: 22px;
        padding: 18px;
    }
    .zone-card img,
    .gallery-grid img {
        height: 160px;
    }
    .feature-card img,
    .hero-visual img,
    .inner-grid .image-card img,
    .app-block img,
    .image-card img {
        height: 220px;
    }
    .mobile-logo img {
        width: 116px;
    }
    .mobile-register {
        padding: 7px 14px;
    }
}