* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    background: #E6EBF2;
    color: #243447;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.72;
    overflow-x: hidden;
}
a {
    color: inherit;
    text-decoration: none;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
.site-header {
    position: sticky;
    top: 0;
    z-index: 9999;
    background: #F5F7FB;
    box-shadow: 0 8px 24px rgba(56,92,138,0.10);
}
.header-inner {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 72px;
}
.logo {
    flex: 0 0 auto;
}
.logo img,
.mobile-logo img,
.drawer-logo img,
.footer-logo img {
    max-height: 52px;
    width: auto;
    display: block;
}
.nav-wrap {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    justify-content: center;
}
.nav {
    display: flex;
    align-items: center;
    gap: 22px;
    white-space: nowrap;
    flex-wrap: nowrap;
}
.nav a,
.nav button {
    border: 0;
    background: transparent;
    color: #4E5F7A;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    padding: 22px 0;
    position: relative;
}
.nav a::after,
.nav button::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 14px;
    height: 3px;
    border-radius: 99px;
    transform: scaleX(0);
    background: #289CFF;
    transition: transform .18s ease;
}
.nav a:hover,
.nav button:hover,
.nav a.active,
.dropdown.active > button,
.more-dropdown.active > button {
    color: #289CFF;
}
.nav a:hover::after,
.nav button:hover::after,
.nav a.active::after,
.dropdown.active > button::after,
.more-dropdown.active > button::after {
    transform: scaleX(1);
}
.header-action {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
}
.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: .04em;
    box-shadow: 0 10px 24px rgba(36,155,255,0.28);
    border: 0;
    white-space: nowrap;
}
.main-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(36,155,255,0.34);
}
.nav-register {
    min-width: 92px;
}
.dropdown,
.more-dropdown {
    position: relative;
}
.dropdown-menu,
.more-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: #FFFFFF;
    border: 1px solid rgba(40,156,255,0.12);
    border-radius: 14px;
    box-shadow: 0 18px 38px rgba(56,92,138,0.16);
    z-index: 10000;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}
.dropdown-menu a,
.more-menu a {
    display: block;
    padding: 11px 14px;
    color: #4E5F7A;
    white-space: nowrap;
    border-radius: 10px;
    font-weight: 700;
}
.dropdown-menu a:hover,
.more-menu a:hover {
    color: #289CFF;
    background: rgba(40,156,255,0.08);
}
.dropdown:hover .dropdown-menu,
.more-dropdown:hover .more-menu,
.dropdown.menu-open .dropdown-menu,
.more-dropdown.menu-open .more-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.mobile-header {
    display: none;
}
.site-main {
    padding-top: 0;
}
.hero-section,
.inner-hero,
.content-section {
    width: min(1200px, calc(100% - 40px));
    margin-left: auto;
    margin-right: auto;
}
.hero-section {
    margin-top: 28px;
    margin-bottom: 36px;
    border-radius: 28px;
    background: #FFFFFF;
    box-shadow: 0 18px 40px rgba(56,92,138,0.12);
    overflow: hidden;
    position: relative;
}
.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.03fr) minmax(320px, .97fr);
    gap: 30px;
    align-items: center;
    padding: 44px;
}
.eyebrow,
.card-tag,
.step-number,
.highlight,
.stat-number {
    color: #289CFF;
}
.eyebrow {
    font-weight: 800;
    letter-spacing: .12em;
    font-size: 14px;
    margin-bottom: 10px;
}
h1,
h2,
h3,
.section-title {
    color: #289CFF;
    line-height: 1.28;
    margin-top: 0;
}
h1 {
    font-size: clamp(34px, 5vw, 58px);
    margin-bottom: 16px;
}
h2 {
    font-size: clamp(26px, 3vw, 38px);
    margin-bottom: 12px;
}
h3 {
    font-size: 21px;
    margin-bottom: 10px;
}
p {
    margin-top: 0;
}
.lead {
    color: #243447;
    font-size: 18px;
}
.muted {
    color: #66788A;
}
.note {
    color: #8A9AAF;
    font-size: 14px;
}
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 22px 0;
}
.tag-list span {
    display: inline-flex;
    padding: 8px 13px;
    border-radius: 999px;
    background: #EEF2F7;
    color: #289CFF;
    font-weight: 800;
    border: 1px solid rgba(40,156,255,0.16);
}
.hero-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 26px;
}
.text-link,
.soft-link {
    color: #289CFF;
    font-weight: 800;
}
.text-link:hover,
.soft-link:hover {
    text-decoration: underline;
}
.hero-media {
    border-radius: 24px;
    overflow: hidden;
    background: #EEF2F7;
    border: 1px solid rgba(40,156,255,0.16);
    box-shadow: 0 16px 30px rgba(56,92,138,0.10);
}
.hero-media img,
.content-img,
.zone-card img,
.app-visual img,
.image-card img {
    width: 100%;
    height: auto;
    object-fit: contain;
}
.content-section {
    margin-bottom: 34px;
}
.section-head {
    max-width: 760px;
    margin-bottom: 22px;
}
.section-head.center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}
.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.step-card,
.notice-card,
.image-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: 22px;
}
.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.step-card,
.notice-card {
    padding: 24px;
}
.grid-2,
.grid-3,
.grid-4,
.grid-5 {
    display: grid;
    gap: 20px;
}
.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 h3,
.zone-card h3,
.info-card h3,
.review-card h3 {
    margin-top: 0;
}
.card p:last-child,
.zone-card p:last-child,
.info-card p:last-child,
.review-card p:last-child,
.faq-item p:last-child,
.step-card p:last-child,
.notice-card p:last-child {
    margin-bottom: 0;
}
.icon-number {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #EEF2F7;
    color: #289CFF;
    font-weight: 900;
    margin-bottom: 14px;
}
.quick-card {
    display: flex;
    flex-direction: column;
    min-height: 220px;
}
.quick-card .soft-link {
    margin-top: auto;
}
.zone-card {
    overflow: hidden;
    padding: 0;
}
.zone-card .zone-body {
    padding: 22px;
}
.zone-card img {
    background: #EEF2F7;
}
.app-panel {
    display: grid;
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    gap: 24px;
    align-items: center;
    padding: 28px;
    background: #FFFFFF;
    border-radius: 26px;
    border: 1px solid rgba(40,156,255,0.16);
    box-shadow: 0 14px 36px rgba(56,92,138,0.10);
}
.app-visual {
    overflow: hidden;
    border-radius: 22px;
    background: #EEF2F7;
}
.feature-list {
    list-style: none;
    margin: 18px 0 0;
    padding: 0;
    display: grid;
    gap: 12px;
}
.feature-list li {
    padding: 12px 14px;
    border-radius: 14px;
    background: #EEF2F7;
    color: #243447;
}
.feature-list li strong {
    color: #289CFF;
}
.steps {
    counter-reset: step;
}
.step-card {
    position: relative;
}
.step-number {
    display: inline-flex;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #EEF2F7;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    margin-bottom: 12px;
}
.reviews {
    align-items: stretch;
}
.review-card {
    position: relative;
}
.review-card .name {
    color: #289CFF;
    font-weight: 900;
    margin-top: 14px;
}
.faq-list {
    display: grid;
    gap: 14px;
}
.faq-item h3 {
    font-size: 19px;
}
.inner-hero {
    margin-top: 28px;
    margin-bottom: 28px;
    padding: 42px;
    border-radius: 28px;
    background: #FFFFFF;
    box-shadow: 0 18px 40px rgba(56,92,138,0.12);
}
.inner-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr);
    gap: 28px;
    align-items: center;
}
.inner-hero .image-card {
    overflow: hidden;
    padding: 0;
    background: #EEF2F7;
}
.breadcrumb {
    color: #66788A;
    font-weight: 700;
    margin-bottom: 10px;
}
.breadcrumb a {
    color: #289CFF;
}
.aside-note {
    background: #DDE4EE;
    border-radius: 20px;
    padding: 22px;
    color: #243447;
}
.alert-band {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto 42px;
    border-radius: 22px;
    background: #DDE4EE;
    padding: 24px;
    border: 1px solid rgba(40,156,255,0.16);
}
.alert-band strong {
    color: #289CFF;
}
.page-cols {
    display: grid;
    grid-template-columns: minmax(0, .78fr) minmax(280px, .32fr);
    gap: 22px;
}
.compact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 12px;
}
.compact-list li {
    padding: 14px 16px;
    background: #EEF2F7;
    border-radius: 14px;
    color: #243447;
}
.stat-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 22px;
}
.stat {
    padding: 18px;
    border-radius: 18px;
    background: #EEF2F7;
}
.stat-number {
    font-size: 28px;
    font-weight: 900;
    display: block;
}
.site-footer {
    margin-top: 36px;
    background: #243447;
    color: #EAF3FF;
}
.footer-inner {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 34px;
    padding: 42px 0 30px;
}
.footer-brand p {
    color: rgba(234,243,255,0.82);
    margin-top: 14px;
}
.footer-logo img {
    max-height: 48px;
}
.footer-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}
.footer-links strong {
    color: #FFFFFF;
    display: block;
    margin-bottom: 10px;
}
.footer-links a {
    display: block;
    color: rgba(234,243,255,0.82);
    margin: 8px 0;
}
.footer-links a:hover {
    color: #FFFFFF;
}
.footer-bottom {
    border-top: 1px solid rgba(234,243,255,0.12);
    text-align: center;
    padding: 16px 20px 22px;
    color: rgba(234,243,255,0.78);
}
.drawer-mask,
.mobile-drawer {
    display: none;
}
@media (max-width: 1120px) {
    .nav {
        gap: 16px;
    }
    .nav a,
    .nav button {
        font-size: 15px;
    }
}
@media (max-width: 960px) {
    .header-inner {
        display: none;
    }
    .mobile-header {
        width: 100%;
        display: grid;
        grid-template-columns: 64px minmax(0, 1fr) auto;
        align-items: center;
        min-height: 68px;
        gap: 10px;
        padding: 0 14px;
    }
    .mobile-logo {
        justify-self: center;
    }
    .menu-toggle {
        width: 46px;
        height: 46px;
        border: 0;
        border-radius: 14px;
        background: #FFFFFF;
        display: inline-flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
        box-shadow: 0 8px 18px rgba(56,92,138,0.10);
    }
    .menu-toggle span {
        width: 22px;
        height: 2px;
        border-radius: 2px;
        background: #4E5F7A;
    }
    .mobile-header .nav-register {
        min-width: 78px;
        padding: 0 16px;
        min-height: 40px;
    }
    .drawer-mask {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(36,52,71,0.38);
        z-index: 10000;
        opacity: 0;
        visibility: hidden;
        transition: opacity .2s ease, visibility .2s ease;
    }
    .mobile-drawer {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        width: min(84vw, 320px);
        height: 100vh;
        background: #FFFFFF;
        z-index: 10001;
        transform: translateX(-104%);
        transition: transform .24s ease;
        box-shadow: 18px 0 36px rgba(36,52,71,0.18);
        overflow-y: auto;
    }
    .drawer-open {
        overflow: hidden;
    }
    .drawer-open .drawer-mask {
        opacity: 1;
        visibility: visible;
    }
    .drawer-open .mobile-drawer {
        transform: translateX(0);
    }
    .drawer-head {
        height: 76px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0 18px;
        border-bottom: 1px solid rgba(40,156,255,0.12);
        background: #F5F7FB;
    }
    .drawer-close {
        width: 38px;
        height: 38px;
        border-radius: 12px;
        border: 0;
        background: #EEF2F7;
        color: #4E5F7A;
        font-size: 28px;
        line-height: 1;
    }
    .drawer-nav {
        padding: 16px;
        display: grid;
        gap: 8px;
    }
    .drawer-nav a {
        padding: 13px 14px;
        border-radius: 13px;
        color: #4E5F7A;
        font-weight: 800;
        background: #F5F7FB;
    }
    .drawer-nav a:hover {
        color: #289CFF;
        background: rgba(40,156,255,0.08);
    }
    .hero-grid,
    .inner-hero-grid,
    .app-panel,
    .page-cols,
    .footer-inner {
        grid-template-columns: 1fr;
    }
    .grid-4,
    .grid-5 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .hero-grid,
    .inner-hero {
        padding: 28px;
    }
}
@media (max-width: 620px) {
    .hero-section,
    .inner-hero,
    .content-section,
    .alert-band {
        width: min(100% - 24px, 1200px);
    }
    .hero-grid,
    .inner-hero,
    .app-panel {
        padding: 22px;
    }
    .grid-2,
    .grid-3,
    .grid-4,
    .grid-5,
    .stat-row,
    .footer-links {
        grid-template-columns: 1fr;
    }
    h1 {
        font-size: 32px;
    }
    .lead {
        font-size: 16px;
    }
    .main-btn {
        min-height: 42px;
        padding: 0 18px;
    }
}