* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    background: #E6EBF2;
    color: #243447;
    line-height: 1.75;
}
a {
    color: inherit;
    text-decoration: none;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #F5F7FB;
    border-bottom: 1px solid rgba(78, 95, 122, 0.12);
    box-shadow: 0 8px 28px rgba(36, 52, 71, 0.08);
}
.header-inner {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
    min-height: 76px;
    display: flex;
    align-items: center;
    gap: 22px;
}
.brand-link,
.footer-logo,
.drawer-logo {
    display: inline-flex;
    align-items: center;
}
.site-logo {
    width: 138px;
    height: auto;
}
.nav {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    white-space: nowrap;
}
.nav a {
    color: #4E5F7A;
    font-weight: 700;
    font-size: 14px;
    padding: 10px 9px;
    border-radius: 999px;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.nav a:hover,
.nav a.is-active,
.drawer-links a.is-active {
    color: #289CFF;
    background: rgba(40, 156, 255, 0.10);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.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: 0.02em;
    box-shadow: 0 12px 24px rgba(36, 155, 255, 0.26);
    border: 0;
    cursor: pointer;
}
.main-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 28px rgba(36, 155, 255, 0.32);
}
.nav-btn {
    min-height: 40px;
    padding: 0 20px;
}
.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 14px;
    background: #FFFFFF;
    box-shadow: 0 10px 24px rgba(56, 92, 138, 0.10);
    cursor: pointer;
}
.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 5px auto;
    background: #4E5F7A;
    border-radius: 2px;
}
.site-main {
    padding-top: 96px;
}
.hero-section {
    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;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 28px;
    padding: 52px;
}
.eyebrow {
    margin: 0 0 10px;
    color: #289CFF;
    font-size: 14px;
    font-weight: 900;
    letter-spacing: 0.08em;
}
h1,
h2,
h3,
.section-title {
    color: #289CFF;
    line-height: 1.25;
}
h1 {
    margin: 0;
    font-size: clamp(32px, 5vw, 56px);
    letter-spacing: -0.03em;
}
h2,
.section-title {
    margin: 0 0 16px;
    font-size: clamp(24px, 3vw, 34px);
}
h3 {
    margin: 0 0 10px;
    font-size: 20px;
}
p {
    margin: 0 0 14px;
}
.hero-subtitle {
    margin-top: 18px;
    font-size: 20px;
    color: #243447;
    font-weight: 800;
}
.hero-text {
    color: #66788A;
    font-size: 16px;
}
.hero-tags,
.tags-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 24px 0;
}
.hero-tags span,
.tags-row span,
.tag {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 14px;
    border-radius: 999px;
    background: #EEF2F7;
    color: #289CFF;
    font-weight: 800;
    font-size: 13px;
}
.hero-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}
.text-link {
    color: #289CFF;
    font-weight: 800;
}
.hero-media {
    border-radius: 18px;
    background: #F5F7FB;
    padding: 16px;
    border: 1px solid rgba(40, 156, 255, 0.14);
}
.hero-media img,
.content-img,
.zone-card img,
.app-section img,
.hero-section img,
.page-visual img,
.split-media img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}
.section,
.page-section {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto 36px;
}
.section-head {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: end;
    margin-bottom: 18px;
}
.section-head p,
.lead {
    color: #66788A;
    max-width: 760px;
}
.grid-2,
.grid-3,
.grid-4,
.grid-5 {
    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-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.card,
.zone-card,
.info-card,
.review-card,
.faq-card,
.step-card,
.service-card,
.notice-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: 18px;
    padding: 24px;
}
.card p,
.zone-card p,
.info-card p,
.review-card p,
.faq-card p,
.step-card p,
.service-card p,
.notice-card p {
    color: #66788A;
}
.card small,
.muted,
.note {
    color: #8A9AAF;
}
.card-number,
.badge-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    margin-bottom: 14px;
    border-radius: 14px;
    background: rgba(40, 156, 255, 0.12);
    color: #289CFF;
    font-weight: 900;
}
.split-section,
.app-section,
.page-hero {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto 36px;
    border-radius: 22px;
    background: #FFFFFF;
    box-shadow: 0 18px 40px rgba(56,92,138,0.12);
    overflow: hidden;
}
.split-inner,
.app-inner,
.page-hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    align-items: center;
    padding: 42px;
}
.split-media,
.page-visual {
    border-radius: 18px;
    background: #F5F7FB;
    padding: 16px;
    border: 1px solid rgba(40,156,255,0.14);
}
.check-list,
.clean-list {
    list-style: none;
    padding: 0;
    margin: 18px 0 0;
    display: grid;
    gap: 10px;
}
.check-list li,
.clean-list li {
    position: relative;
    padding-left: 26px;
    color: #243447;
}
.check-list li::before,
.clean-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #289CFF;
    box-shadow: 0 0 0 5px rgba(40,156,255,0.12);
}
.info-band {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto 36px;
    padding: 26px;
    border-radius: 20px;
    background: #DDE4EE;
    color: #243447;
    border: 1px solid rgba(40,156,255,0.14);
}
.notice-strip {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto 36px;
    padding: 24px;
    border-radius: 18px;
    background: #243447;
    color: #EAF3FF;
}
.notice-strip h2,
.notice-strip h3 {
    color: #EAF3FF;
}
.notice-strip p {
    color: #EAF3FF;
    opacity: 0.92;
}
.review-card strong {
    display: block;
    color: #289CFF;
    margin-bottom: 10px;
}
.faq-list {
    display: grid;
    gap: 16px;
}
.faq-card h3 {
    margin-bottom: 8px;
}
.breadcrumb-like {
    color: #8A9AAF;
    font-weight: 700;
    margin-bottom: 10px;
}
.page-copy {
    max-width: 760px;
}
.table-wrap {
    overflow-x: auto;
    border-radius: 18px;
    box-shadow: 0 14px 36px rgba(56,92,138,0.10);
}
table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
    background: #FFFFFF;
}
th,
td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid rgba(78,95,122,0.12);
}
th {
    color: #289CFF;
    background: #F5F7FB;
}
td {
    color: #66788A;
}
.site-footer {
    background: #243447;
    color: #EAF3FF;
    margin-top: 52px;
}
.footer-inner {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
    padding: 46px 0 30px;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 44px;
}
.footer-logo img {
    width: 146px;
}
.footer-brand p,
.footer-note p {
    color: #EAF3FF;
    opacity: 0.9;
}
.footer-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}
.footer-links h3 {
    color: #EAF3FF;
    font-size: 17px;
}
.footer-links a {
    display: block;
    color: #EAF3FF;
    opacity: 0.86;
    margin: 7px 0;
}
.footer-links a:hover {
    color: #FFFFFF;
    opacity: 1;
}
.footer-note {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
    padding: 20px 0 28px;
    border-top: 1px solid rgba(234,243,255,0.14);
    font-size: 14px;
}
.mobile-drawer {
    position: fixed;
    top: 0;
    right: -320px;
    z-index: 1100;
    width: min(320px, 86vw);
    height: 100vh;
    background: #F5F7FB;
    box-shadow: -16px 0 36px rgba(36,52,71,0.16);
    transition: right 0.25s ease;
    padding: 20px;
    overflow-y: auto;
}
.mobile-drawer.is-open {
    right: 0;
}
.drawer-mask {
    position: fixed;
    inset: 0;
    z-index: 1050;
    background: rgba(36,52,71,0.42);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}
.drawer-mask.is-show {
    opacity: 1;
    visibility: visible;
}
.drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}
.drawer-logo img {
    width: 130px;
}
.drawer-close {
    width: 40px;
    height: 40px;
    border: 0;
    border-radius: 12px;
    background: #FFFFFF;
    color: #4E5F7A;
    font-size: 24px;
    cursor: pointer;
}
.drawer-links {
    display: grid;
    gap: 8px;
}
.drawer-links a {
    padding: 12px 14px;
    border-radius: 14px;
    color: #4E5F7A;
    background: #FFFFFF;
    font-weight: 800;
}
.drawer-btn {
    width: 100%;
    margin: 18px 0 12px;
}
.drawer-tip {
    color: #66788A;
    font-size: 13px;
}
body.drawer-open {
    overflow: hidden;
}
@media (max-width: 1080px) {
    .nav {
        display: none;
    }
    .menu-toggle {
        display: block;
    }
    .header-inner {
        justify-content: space-between;
    }
    .hero-grid,
    .split-inner,
    .app-inner,
    .page-hero-inner,
    .footer-inner {
        grid-template-columns: 1fr;
    }
    .grid-4,
    .grid-5 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}
@media (max-width: 720px) {
    .site-main {
        padding-top: 84px;
    }
    .header-inner {
        width: min(100% - 20px, 1200px);
        min-height: 66px;
    }
    .site-logo {
        width: 118px;
    }
    .nav-btn {
        display: none;
    }
    .hero-section,
    .section,
    .page-section,
    .split-section,
    .app-section,
    .page-hero,
    .notice-strip,
    .info-band {
        width: min(100% - 20px, 1200px);
        margin-bottom: 24px;
        border-radius: 18px;
    }
    .hero-grid,
    .split-inner,
    .app-inner,
    .page-hero-inner {
        padding: 24px;
        gap: 20px;
    }
    .section-head {
        display: block;
    }
    .grid-2,
    .grid-3,
    .grid-4,
    .grid-5,
    .footer-links {
        grid-template-columns: 1fr;
    }
    .card,
    .zone-card,
    .info-card,
    .review-card,
    .faq-card,
    .step-card,
    .service-card,
    .notice-card {
        padding: 20px;
    }
    h1 {
        font-size: 30px;
    }
    .hero-subtitle {
        font-size: 18px;
    }
    .hero-actions {
        align-items: stretch;
        flex-direction: column;
    }
    .main-btn {
        width: 100%;
    }
}