* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    background: #F3F7FC;
    color: #243447;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.78;
}
a {
    color: inherit;
    text-decoration: none;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
.container {
    width: min(1180px, calc(100% - 36px));
    margin: 0 auto;
}
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #FFFFFF;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(35,70,110,0.08);
}
.header-inner {
    width: min(1320px, calc(100% - 32px));
    min-height: 76px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 18px;
}
.text-logo {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    font-size: 28px;
    font-weight: 800;
    color: #163B66;
    letter-spacing: 1px;
    line-height: 1;
}
.text-logo span {
    color: #169BFF;
}
.desktop-nav {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 0 4px;
}
.desktop-nav::-webkit-scrollbar {
    display: none;
}
.nav a {
    position: relative;
    color: #32506E;
    font-size: 15px;
    font-weight: 650;
    white-space: nowrap;
    padding: 24px 10px;
}
.nav a.active,
.nav a:hover,
.highlight,
.text-link {
    color: #169BFF;
}
.nav a.active::after {
    content: "";
    position: absolute;
    left: 10px;
    right: 10px;
    bottom: 16px;
    height: 3px;
    border-radius: 99px;
    background: #169BFF;
}
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 12px 24px;
    border-radius: 999px;
    background: linear-gradient(180deg, #31C4FF 0%, #189DFF 100%);
    color: #FFFFFF;
    font-weight: 800;
    border: 0;
    box-shadow: 0 12px 22px rgba(24,157,255,0.24);
}
.main-btn:hover {
    transform: translateY(-1px);
}
.header-btn {
    flex: 0 0 auto;
}
.menu-toggle,
.drawer-close {
    display: none;
    border: 0;
    background: transparent;
    cursor: pointer;
}
.page-main {
    padding-top: 76px;
}
.hero {
    padding: 72px 0 48px;
}
.hero-grid,
.split-grid,
.app-grid,
.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    align-items: center;
    gap: 34px;
}
.hero-card,
.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.media-card,
.notice-card,
.contact-panel,
.step-card {
    background: rgba(255,255,255,0.96);
    border: 1px solid rgba(22,59,102,0.10);
    box-shadow: 0 14px 36px rgba(35,70,110,0.10);
    border-radius: 26px;
}
.hero-card {
    padding: 42px;
}
.eyebrow,
.tag,
.number-badge {
    color: #FF9F1A;
    font-weight: 800;
    letter-spacing: 0.8px;
}
h1,
h2,
h3,
.section-title {
    color: #163B66;
    line-height: 1.28;
    margin: 0;
}
h1 {
    font-size: clamp(34px, 5vw, 58px);
    margin: 14px 0 20px;
}
h2,
.section-title {
    font-size: clamp(26px, 3vw, 38px);
    margin-bottom: 14px;
}
h3 {
    font-size: 21px;
    margin-bottom: 10px;
}
p {
    margin: 0;
    color: #243447;
}
.lead {
    color: #607388;
    font-size: 18px;
    margin-bottom: 24px;
}
.hero-actions,
.inline-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}
.ghost-link {
    color: #169BFF;
    font-weight: 800;
}
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 30px;
}
.stat-box {
    padding: 16px;
    border-radius: 18px;
    background: #EEF4FB;
}
.stat-box strong {
    display: block;
    color: #163B66;
    font-size: 24px;
    line-height: 1.2;
}
.stat-box span {
    color: #607388;
    font-size: 14px;
}
.media-card {
    padding: 16px;
    background: #FFFFFF;
}
.media-card img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 22px;
    background: #EEF4FB;
}
.section {
    padding: 48px 0;
}
.section.alt {
    background: #EEF4FB;
}
.section-soft {
    padding: 54px 0;
    background: #E7F0FA;
}
.section-head {
    max-width: 760px;
    margin-bottom: 28px;
}
.section-head.center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}
.section-head p {
    color: #607388;
}
.card-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}
.card-grid.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}
.card-grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}
.card,
.zone-card,
.info-card,
.review-card,
.notice-card,
.step-card,
.contact-panel {
    padding: 24px;
}
.zone-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(238,244,251,0.88));
}
.zone-card p,
.info-card p,
.card p,
.review-card p,
.notice-card p,
.step-card p,
.contact-panel p {
    color: #607388;
}
.card-foot {
    display: inline-flex;
    margin-top: 18px;
    color: #169BFF;
    font-weight: 800;
}
.badge-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 18px 0 0;
}
.badge {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 6px 12px;
    border-radius: 999px;
    color: #169BFF;
    background: #E7F0FA;
    font-weight: 750;
    font-size: 14px;
}
.faq-list {
    display: grid;
    gap: 14px;
}
.faq-item {
    padding: 24px;
}
.faq-item h3 {
    color: #163B66;
}
.faq-item p {
    color: #607388;
}
.review-card strong {
    display: block;
    margin-bottom: 8px;
    color: #163B66;
}
.review-card span {
    color: #8A9AAF;
    font-size: 14px;
}
.page-hero {
    padding: 66px 0 34px;
}
.page-hero .hero-card {
    max-width: 900px;
}
.content-list {
    display: grid;
    gap: 14px;
    margin-top: 20px;
}
.content-list li {
    list-style: none;
    color: #607388;
    padding-left: 30px;
    position: relative;
}
.content-list li::before {
    content: "";
    width: 10px;
    height: 10px;
    background: #FF9F1A;
    border-radius: 50%;
    position: absolute;
    left: 4px;
    top: 12px;
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}
.number-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 16px;
    background: #FFF3DA;
    margin-bottom: 14px;
}
.notice-strip {
    border-radius: 24px;
    padding: 24px;
    background: #163B66;
    color: #EAF4FF;
    display: flex;
    gap: 18px;
    align-items: center;
    justify-content: space-between;
}
.notice-strip p,
.notice-strip h2 {
    color: #EAF4FF;
}
.notice-strip .main-btn {
    flex: 0 0 auto;
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.contact-panel strong {
    color: #163B66;
}
.site-footer {
    margin-top: 56px;
    padding: 56px 0 26px;
    background: #163B66;
    color: #EAF4FF;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 30px;
}
.footer-logo,
.footer-logo span {
    color: #EAF4FF;
}
.footer-brand p,
.footer-col a,
.footer-bottom p {
    color: #EAF4FF;
}
.footer-brand p {
    margin-top: 18px;
    opacity: 0.9;
}
.footer-col {
    display: grid;
    gap: 10px;
    align-content: start;
}
.footer-col h3 {
    color: #EAF4FF;
    margin-bottom: 4px;
}
.footer-col a {
    opacity: 0.88;
}
.footer-bottom {
    margin-top: 34px;
    padding-top: 22px;
    border-top: 1px solid rgba(234,244,255,0.18);
    display: flex;
    gap: 20px;
    justify-content: space-between;
    align-items: flex-start;
}
.drawer-mask,
.mobile-drawer {
    display: none;
}
@media (max-width: 1080px) {
    .desktop-nav {
        display: none;
    }
    .header-inner {
        min-height: 68px;
        justify-content: space-between;
    }
    .menu-toggle {
        display: inline-flex;
        width: 44px;
        height: 44px;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        gap: 5px;
        border-radius: 16px;
        background: #EEF4FB;
    }
    .menu-toggle span {
        width: 20px;
        height: 2px;
        border-radius: 99px;
        background: #32506E;
    }
    .header-btn {
        padding: 10px 18px;
        min-height: 40px;
    }
    .page-main {
        padding-top: 68px;
    }
    .drawer-mask {
        position: fixed;
        inset: 0;
        background: rgba(22,59,102,0.28);
        z-index: 1100;
    }
    .drawer-mask.show {
        display: block;
    }
    .mobile-drawer {
        display: block;
        position: fixed;
        top: 0;
        bottom: 0;
        left: 0;
        width: min(84vw, 340px);
        background: #FFFFFF;
        z-index: 1200;
        transform: translateX(-105%);
        transition: transform .24s ease;
        padding: 22px;
        overflow-y: auto;
        box-shadow: 18px 0 40px rgba(35,70,110,0.18);
    }
    .mobile-drawer.open {
        transform: translateX(0);
    }
    .drawer-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 18px;
    }
    .drawer-close {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
        border-radius: 16px;
        background: #EEF4FB;
        color: #163B66;
        font-size: 28px;
        line-height: 1;
    }
    .drawer-nav {
        display: grid;
        gap: 4px;
    }
    .drawer-nav a {
        padding: 13px 12px;
        border-radius: 14px;
    }
    .drawer-nav a.active {
        background: #E7F0FA;
    }
    .drawer-nav a.active::after {
        display: none;
    }
    .drawer-btn {
        width: 100%;
        margin-top: 18px;
    }
    .drawer-note {
        margin-top: 18px;
        color: #8A9AAF;
        font-size: 14px;
    }
    body.drawer-open {
        overflow: hidden;
    }
    .hero-grid,
    .split-grid,
    .app-grid,
    .about-grid {
        grid-template-columns: 1fr;
    }
    .card-grid,
    .card-grid.three,
    .card-grid.two,
    .steps-grid,
    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}
@media (max-width: 680px) {
    .container,
    .header-inner {
        width: min(100% - 24px, 1180px);
    }
    .text-logo {
        font-size: 24px;
    }
    .hero,
    .page-hero {
        padding-top: 42px;
    }
    .hero-card,
    .card,
    .zone-card,
    .info-card,
    .review-card,
    .faq-item,
    .notice-card,
    .step-card,
    .contact-panel {
        border-radius: 20px;
        padding: 20px;
    }
    .hero-card {
        padding: 24px;
    }
    .hero-stats,
    .card-grid,
    .card-grid.three,
    .card-grid.two,
    .steps-grid,
    .footer-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .notice-strip,
    .footer-bottom {
        flex-direction: column;
    }
    .notice-strip .main-btn {
        width: 100%;
    }
    .header-btn {
        min-height: 38px;
        padding: 8px 14px;
    }
}