* {
    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;
}
.container {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
}
.site-header {
    position: sticky;
    top: 0;
    z-index: 12000;
    background: #F5F7FB;
    border-bottom: 1px solid rgba(40,156,255,0.14);
    box-shadow: 0 8px 28px rgba(56,92,138,0.08);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 72px;
    position: relative;
}
.logo {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
}
.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: 18px;
    white-space: nowrap;
    flex-wrap: nowrap;
}
.nav a,
.nav-link {
    color: #4E5F7A;
    font-weight: 600;
    font-size: 15px;
    border: 0;
    background: transparent;
    padding: 23px 0 20px;
    cursor: pointer;
    position: relative;
    font-family: inherit;
}
.nav a::after,
.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 14px;
    height: 3px;
    border-radius: 99px;
    background: #289CFF;
    transform: scaleX(0);
    transition: transform .2s ease;
}
.nav a:hover,
.nav a.active,
.nav-link:hover,
.nav-link.active {
    color: #289CFF;
}
.nav a:hover::after,
.nav a.active::after,
.nav-link:hover::after,
.nav-link.active::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;
    gap: 8px;
    min-height: 44px;
    padding: 0 22px;
    border-radius: 999px;
    background: linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
    color: #FFFFFF;
    font-weight: 700;
    box-shadow: 0 12px 26px rgba(36,155,255,0.26);
    border: 0;
}
.main-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 30px rgba(36,155,255,0.32);
}
.text-link {
    color: #289CFF;
    font-weight: 700;
}
.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(10px);
    transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}
.dropdown:hover .dropdown-menu,
.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-menu a,
.more-menu a {
    display: block;
    padding: 11px 14px;
    color: #4E5F7A;
    white-space: nowrap;
    border-radius: 10px;
    font-size: 14px;
}
.dropdown-menu a::after,
.more-menu a::after {
    display: none;
}
.dropdown-menu a:hover,
.more-menu a:hover,
.dropdown-menu a.active,
.more-menu a.active {
    color: #289CFF;
    background: rgba(40,156,255,0.08);
}
.mobile-menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid rgba(40,156,255,0.16);
    background: #FFFFFF;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}
.mobile-menu-toggle span {
    width: 20px;
    height: 2px;
    background: #4E5F7A;
    border-radius: 99px;
}
.mobile-drawer {
    position: fixed;
    inset: 0;
    z-index: 13000;
    pointer-events: none;
}
.drawer-mask {
    position: absolute;
    inset: 0;
    background: rgba(36,52,71,0.38);
    opacity: 0;
    transition: opacity .24s ease;
}
.drawer-panel {
    position: absolute;
    top: 0;
    left: 0;
    width: min(84vw, 320px);
    height: 100%;
    background: #FFFFFF;
    box-shadow: 20px 0 44px rgba(36,52,71,0.18);
    transform: translateX(-104%);
    transition: transform .26s ease;
    padding: 18px;
    overflow-y: auto;
}
.mobile-drawer.open {
    pointer-events: auto;
}
.mobile-drawer.open .drawer-mask {
    opacity: 1;
}
.mobile-drawer.open .drawer-panel {
    transform: translateX(0);
}
.drawer-open {
    overflow: hidden;
}
.drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}
.drawer-logo img {
    max-height: 46px;
}
.drawer-close {
    border: 0;
    background: #EEF2F7;
    color: #4E5F7A;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    font-size: 26px;
    line-height: 1;
    cursor: pointer;
}
.drawer-nav {
    display: grid;
    gap: 8px;
}
.drawer-nav a {
    padding: 12px 14px;
    border-radius: 12px;
    color: #4E5F7A;
    background: #F5F7FB;
    font-weight: 700;
}
.drawer-nav a.active,
.drawer-nav a:hover {
    color: #289CFF;
    background: rgba(40,156,255,0.10);
}
.drawer-note {
    color: #8A9AAF;
    font-size: 13px;
    margin: 18px 2px 0;
}
main {
    padding-bottom: 56px;
}
h1, h2, h3, .section-title {
    color: #289CFF;
    line-height: 1.25;
    margin: 0 0 16px;
}
p {
    margin: 0 0 14px;
}
.lead {
    color: #66788A;
    font-size: 18px;
}
.section {
    padding: 34px 0;
}
.section-head {
    max-width: 820px;
    margin-bottom: 22px;
}
.section-head.center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}
.eyebrow,
.tag,
.step-no,
.card-number {
    color: #289CFF;
    font-weight: 800;
    letter-spacing: .02em;
}
.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;
    z-index: 1;
}
.slides {
    position: relative;
    height: clamp(280px, 43vw, 520px);
    background: #FFFFFF;
}
.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity .4s ease, visibility .4s ease;
}
.slide.active {
    opacity: 1;
    visibility: visible;
}
.banner-slider img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #FFFFFF;
    display: block;
}
.slide-copy {
    position: absolute;
    left: clamp(18px, 5vw, 64px);
    bottom: clamp(22px, 5vw, 60px);
    max-width: min(520px, calc(100% - 40px));
    background: rgba(255,255,255,0.86);
    border: 1px solid rgba(40,156,255,0.16);
    border-radius: 18px;
    padding: clamp(16px, 3vw, 26px);
    box-shadow: 0 14px 36px rgba(56,92,138,0.14);
}
.slide-copy h1,
.slide-copy h2 {
    font-size: clamp(24px, 3.3vw, 42px);
}
.slide-copy p {
    color: #66788A;
}
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid rgba(40,156,255,0.18);
    background: rgba(255,255,255,0.9);
    color: #289CFF;
    font-size: 28px;
    cursor: pointer;
    z-index: 3;
    display: grid;
    place-items: center;
}
.slider-prev { left: 18px; }
.slider-next { right: 18px; }
.slider-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 16px;
    display: flex;
    justify-content: center;
    gap: 9px;
    z-index: 4;
}
.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 0;
    background: rgba(78,95,122,0.32);
    cursor: pointer;
}
.slider-dot.active {
    width: 28px;
    border-radius: 99px;
    background: #289CFF;
}
.card,
.zone-card,
.info-card,
.review-card,
.step-card,
.faq-item,
.notice-box {
    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;
}
.card,
.info-card,
.review-card,
.step-card,
.faq-item,
.notice-box {
    padding: 24px;
}
.grid {
    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)); }
.split {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    gap: 28px;
    align-items: center;
}
.split.reverse {
    grid-template-columns: .92fr 1.08fr;
}
.hero-card {
    padding: clamp(28px, 5vw, 54px);
    background: linear-gradient(135deg, rgba(255,255,255,0.96), rgba(238,242,247,0.94));
    border: 1px solid rgba(40,156,255,0.16);
    border-radius: 26px;
    box-shadow: 0 18px 44px rgba(56,92,138,0.12);
}
.hero-card h1 {
    font-size: clamp(30px, 5vw, 56px);
}
.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 24px;
}
.secondary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 20px;
    border-radius: 999px;
    color: #289CFF;
    background: #FFFFFF;
    border: 1px solid rgba(40,156,255,0.24);
    font-weight: 700;
}
.image-card,
.content-img-wrap {
    border-radius: 24px;
    background: #FFFFFF;
    border: 1px solid rgba(40,156,255,0.16);
    box-shadow: 0 14px 36px rgba(56,92,138,0.10);
    padding: 12px;
    overflow: hidden;
}
.content-img,
.zone-card img,
.app-section img,
.banner-slider img {
    max-width: 100%;
    height: auto;
}
.image-card img,
.content-img-wrap img {
    width: 100%;
    display: block;
    object-fit: contain;
    border-radius: 18px;
    background: #FFFFFF;
}
.quick-card h3,
.info-card h3,
.zone-card h3,
.step-card h3,
.review-card h3,
.faq-item h3 {
    font-size: 20px;
}
.quick-card p,
.info-card p,
.zone-card p,
.step-card p,
.review-card p,
.faq-item p,
.notice-box p {
    color: #66788A;
}
.zone-card {
    overflow: hidden;
}
.zone-card .zone-img {
    background: #FFFFFF;
    padding: 12px;
    border-bottom: 1px solid rgba(40,156,255,0.12);
}
.zone-card img {
    width: 100%;
    height: 180px;
    object-fit: contain;
    display: block;
    background: #FFFFFF;
    border-radius: 14px;
}
.zone-card .zone-body {
    padding: 22px;
}
.soft-panel {
    background: #EEF2F7;
    border-radius: 26px;
    padding: clamp(24px, 4vw, 38px);
    border: 1px solid rgba(40,156,255,0.12);
}
.steps {
    counter-reset: step;
}
.step-card {
    position: relative;
}
.step-no {
    display: inline-flex;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    background: rgba(40,156,255,0.10);
    margin-bottom: 12px;
}
.review-card {
    position: relative;
}
.review-card::before {
    content: "“";
    position: absolute;
    top: 12px;
    right: 22px;
    color: rgba(40,156,255,0.18);
    font-size: 70px;
    line-height: 1;
    font-family: Georgia, serif;
}
.review-name {
    color: #8A9AAF;
    font-size: 14px;
    margin-top: 16px;
}
.notice-box {
    background: #DDE4EE;
}
.notice-box strong {
    color: #289CFF;
}
.faq-list {
    display: grid;
    gap: 16px;
}
.faq-item h3 {
    margin-bottom: 8px;
}
.feature-list {
    display: grid;
    gap: 12px;
    margin: 18px 0 0;
}
.feature-list li {
    list-style: none;
    position: relative;
    padding-left: 22px;
    color: #66788A;
}
.feature-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .75em;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #289CFF;
}
.badge-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 18px;
}
.badge {
    display: inline-flex;
    align-items: center;
    padding: 7px 12px;
    border-radius: 999px;
    color: #289CFF;
    background: rgba(40,156,255,0.10);
    font-weight: 700;
    font-size: 13px;
}
.contact-box {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}
.site-footer {
    background: #243447;
    color: #EAF3FF;
    padding: 44px 0 24px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 30px;
}
.footer-logo img {
    max-height: 52px;
}
.footer-brand p,
.footer-bottom,
.footer-links a {
    color: rgba(234,243,255,0.82);
}
.footer-links h3 {
    color: #EAF3FF;
    font-size: 18px;
}
.footer-links {
    display: grid;
    align-content: start;
    gap: 8px;
}
.footer-links a:hover {
    color: #FFFFFF;
}
.footer-bottom {
    border-top: 1px solid rgba(234,243,255,0.14);
    margin-top: 28px;
    padding-top: 18px;
    display: flex;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
    font-size: 14px;
}
@media (max-width: 1120px) {
    .nav { gap: 13px; }
    .nav a, .nav-link { font-size: 14px; }
}
@media (max-width: 980px) {
    .container { width: min(100% - 28px, 1200px); }
    .mobile-menu-toggle { display: inline-flex; }
    .nav-wrap { display: none; }
    .header-inner { min-height: 66px; gap: 12px; }
    .header-logo {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }
    .header-logo img { max-height: 44px; }
    .header-action { margin-left: auto; }
    .header-register { min-height: 40px; padding: 0 16px; }
    .split,
    .split.reverse,
    .grid-2,
    .grid-3,
    .grid-4,
    .grid-5,
    .footer-grid,
    .contact-box {
        grid-template-columns: 1fr;
    }
    .slides { height: clamp(240px, 58vw, 420px); }
    .slide-copy {
        position: absolute;
        left: 14px;
        right: 14px;
        bottom: 48px;
        max-width: none;
        padding: 14px;
    }
    .slider-arrow {
        width: 36px;
        height: 36px;
        font-size: 24px;
    }
    .slider-prev { left: 10px; }
    .slider-next { right: 10px; }
    .section { padding: 26px 0; }
    .zone-card img { height: 150px; }
    .footer-bottom { display: grid; }
}
@media (max-width: 560px) {
    .container { width: min(100% - 22px, 1200px); }
    .main-btn,
    .secondary-btn { width: auto; }
    .hero-card { padding: 24px; }
    .hero-actions { display: grid; }
    .hero-actions .main-btn,
    .hero-actions .secondary-btn { width: 100%; }
    .slides { height: 300px; }
    .slide-copy h1,
    .slide-copy h2 { font-size: 22px; }
    .slide-copy p { font-size: 14px; }
    .card,
    .info-card,
    .review-card,
    .step-card,
    .faq-item,
    .notice-box { padding: 20px; }
    .logo img { max-height: 40px; }
}