* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: #E6EBF2;
    color: #243447;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.72;
    overflow-x: hidden;
}

a {
    color: #289CFF;
    text-decoration: none;
    transition: color .2s ease, transform .2s ease, background .2s ease, box-shadow .2s ease;
}

a:hover {
    color: #1E90F0;
}

img {
    max-width: 100%;
    height: auto;
}

main {
    min-height: 70vh;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 9999;
    background: #F5F7FB;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(56,92,138,0.10);
}

.header-inner {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 22px;
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    min-width: 136px;
}

.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;
    justify-content: center;
    gap: 18px;
    white-space: nowrap;
    flex-wrap: nowrap;
    min-width: 0;
}

.nav a,
.nav-drop-btn {
    position: relative;
    color: #4E5F7A;
    font-size: 15px;
    font-weight: 700;
    line-height: 72px;
    border: 0;
    background: transparent;
    padding: 0;
    cursor: pointer;
    font-family: inherit;
}

.nav a.active,
.dropdown.active > .nav-drop-btn,
.more-dropdown.active > .nav-drop-btn {
    color: #289CFF;
}

.nav a.active::after,
.dropdown.active > .nav-drop-btn::after,
.more-dropdown.active > .nav-drop-btn::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 18px;
    height: 3px;
    border-radius: 999px;
    background: #289CFF;
}

.dropdown,
.more-dropdown {
    position: relative;
    flex: 0 0 auto;
}

.nav-drop-btn::before {
    content: "";
    position: absolute;
    right: -12px;
    top: 50%;
    width: 6px;
    height: 6px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: translateY(-65%) rotate(45deg);
}

.dropdown-menu,
.more-menu {
    position: absolute;
    top: 100%;
    left: -18px;
    min-width: 180px;
    padding: 8px;
    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;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
}

.more-menu {
    right: 0;
    left: auto;
    min-width: 196px;
}

.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;
    line-height: 1.4;
    border-radius: 10px;
    font-weight: 700;
}

.dropdown-menu a:hover,
.more-menu a:hover {
    color: #289CFF;
    background: rgba(40,156,255,0.08);
}

.header-action {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
}

.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 24px;
    border-radius: 999px;
    background: linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
    color: #FFFFFF;
    box-shadow: 0 10px 24px rgba(36,155,255,0.25);
    font-weight: 800;
    border: 0;
    white-space: nowrap;
}

.main-btn:hover {
    color: #FFFFFF;
    background: linear-gradient(180deg, #48D9F7 0%, #1E90F0 100%);
    transform: translateY(-1px);
}

.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    border: 0;
    background: rgba(40,156,255,0.10);
    border-radius: 12px;
    padding: 10px;
    flex: 0 0 auto;
}

.mobile-menu-btn span {
    display: block;
    height: 2px;
    margin: 5px 0;
    background: #289CFF;
    border-radius: 999px;
}

.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(36,52,71,.42);
    opacity: 0;
    visibility: hidden;
    z-index: 10000;
    transition: opacity .25s ease, visibility .25s ease;
}

.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: min(84vw, 320px);
    height: 100vh;
    padding: 18px;
    background: #FFFFFF;
    box-shadow: 18px 0 40px rgba(36,52,71,.18);
    z-index: 10001;
    transform: translateX(-105%);
    transition: transform .28s ease;
    overflow-y: auto;
}

.drawer-open {
    overflow: hidden;
}

.drawer-open .mobile-overlay {
    opacity: 1;
    visibility: visible;
}

.drawer-open .mobile-drawer {
    transform: translateX(0);
}

.drawer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(40,156,255,0.14);
}

.drawer-logo img {
    max-height: 48px;
    display: block;
}

.drawer-close {
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 12px;
    background: #EEF2F7;
    color: #289CFF;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}

.drawer-nav {
    display: grid;
    gap: 8px;
    padding-top: 18px;
}

.drawer-nav a {
    display: block;
    padding: 12px 14px;
    border-radius: 12px;
    color: #4E5F7A;
    background: #F5F7FB;
    font-weight: 700;
}

.drawer-nav a:hover {
    color: #289CFF;
    background: rgba(40,156,255,0.10);
}

.container,
.section {
    width: min(1200px, calc(100% - 36px));
    margin: 0 auto;
}

.section {
    padding: 38px 0;
}

.section-narrow {
    width: min(980px, calc(100% - 36px));
    margin: 0 auto;
    padding: 38px 0;
}

h1,
h2,
h3,
.section-title {
    color: #289CFF;
    line-height: 1.25;
    margin: 0 0 14px;
}

h1 {
    font-size: clamp(32px, 5vw, 56px);
    letter-spacing: -1px;
}

h2,
.section-title {
    font-size: clamp(24px, 3vw, 36px);
}

h3 {
    font-size: 20px;
}

p {
    margin: 0 0 14px;
}

.lead {
    font-size: 18px;
    color: #66788A;
}

.muted {
    color: #8A9AAF;
}

.eyebrow,
.tag,
.card-number {
    color: #289CFF;
    font-weight: 800;
    letter-spacing: .04em;
}

.page-hero {
    width: min(1200px, calc(100% - 36px));
    margin: 32px auto 20px;
    padding: clamp(28px, 5vw, 58px);
    border-radius: 28px;
    background: linear-gradient(135deg, rgba(255,255,255,.96), rgba(238,242,247,.96));
    border: 1px solid rgba(40,156,255,0.16);
    box-shadow: 0 14px 36px rgba(56,92,138,0.12);
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(260px, .88fr);
    gap: 34px;
    align-items: center;
}

.page-hero.single {
    grid-template-columns: 1fr;
}

.hero-text p {
    color: #66788A;
}

.hero-actions {
    margin-top: 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.text-link {
    font-weight: 800;
}

.hero-media,
.image-card {
    border-radius: 24px;
    overflow: hidden;
    background: #FFFFFF;
    border: 1px solid rgba(40,156,255,0.16);
    box-shadow: 0 14px 36px rgba(56,92,138,0.12);
}

.hero-media img,
.image-card img,
.content-img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
    background: #FFFFFF;
}

.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.notice-card,
.step-card,
.entry-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,
.notice-card,
.step-card,
.entry-card {
    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));
}

.entry-card h3,
.zone-card h3,
.info-card h3,
.step-card h3 {
    margin-top: 0;
}

.card p,
.zone-card p,
.info-card p,
.review-card p,
.faq-item p,
.notice-card p,
.step-card p,
.entry-card p {
    color: #66788A;
}

.zone-card img,
.info-card img,
.app-section img,
.product-img {
    width: 100%;
    height: auto;
    max-height: 260px;
    object-fit: contain;
    background: #FFFFFF;
    border-radius: 18px;
    display: block;
    margin-bottom: 18px;
}

.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;
    aspect-ratio: 1200 / 430;
}

.banner-track,
.banner-slide {
    position: absolute;
    inset: 0;
}

.banner-slide {
    opacity: 0;
    transition: opacity .45s ease;
}

.banner-slide.is-active {
    opacity: 1;
}

.banner-slider img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #FFFFFF;
    display: block;
}

.banner-caption,
.banner-text,
.slide-title,
.slide-desc,
.slide-content,
.slide-card,
.banner-card {
    display: none !important;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 4;
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 999px;
    background: rgba(255,255,255,.86);
    color: #289CFF;
    box-shadow: 0 10px 22px rgba(56,92,138,0.16);
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}

.slider-prev {
    left: 18px;
}

.slider-next {
    right: 18px;
}

.slider-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 14px;
    display: flex;
    justify-content: center;
    gap: 8px;
    z-index: 4;
}

.slider-dot {
    width: 9px;
    height: 9px;
    border: 0;
    border-radius: 999px;
    background: rgba(78,95,122,.36);
    cursor: pointer;
    padding: 0;
}

.slider-dot.is-active {
    width: 26px;
    background: #289CFF;
}

.welcome-card {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(260px, .95fr);
    gap: 26px;
    align-items: center;
}

.split-card {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(260px, .95fr);
    gap: 26px;
    align-items: center;
}

.icon-list,
.clean-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.icon-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.icon-list li,
.clean-list li {
    padding: 13px 14px;
    border-radius: 14px;
    background: #F5F7FB;
    color: #4E5F7A;
    font-weight: 700;
}

.clean-list {
    display: grid;
    gap: 12px;
}

.timeline {
    counter-reset: steps;
    display: grid;
    gap: 16px;
}

.timeline .step-card {
    counter-increment: steps;
}

.timeline .step-card h3::before {
    content: counter(steps, decimal-leading-zero) " ";
    color: #289CFF;
}

.review-card {
    position: relative;
}

.review-card::before {
    content: "“";
    position: absolute;
    top: 8px;
    right: 22px;
    color: rgba(40,156,255,.18);
    font-size: 70px;
    line-height: 1;
    font-family: Georgia, serif;
}

.review-name {
    display: block;
    margin-top: 12px;
    color: #289CFF;
    font-weight: 800;
}

.faq-list {
    display: grid;
    gap: 16px;
}

.faq-item h3 {
    margin-bottom: 8px;
}

.notice-card {
    background: linear-gradient(135deg, rgba(255,255,255,.95), rgba(221,228,238,.82));
}

.notice-card strong {
    color: #289CFF;
}

.table-like {
    display: grid;
    gap: 12px;
}

.table-row {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 16px;
    padding: 16px;
    border-radius: 16px;
    background: #F5F7FB;
}

.table-row span:first-child {
    color: #289CFF;
    font-weight: 800;
}

.site-footer {
    margin-top: 48px;
    background: #243447;
    color: #EAF3FF;
}

.footer-inner {
    width: min(1200px, calc(100% - 36px));
    margin: 0 auto;
    padding: 44px 0 28px;
    display: grid;
    grid-template-columns: 1.4fr .7fr .7fr 1fr;
    gap: 28px;
}

.footer-brand img {
    max-height: 52px;
    width: auto;
    display: block;
    margin-bottom: 18px;
}

.footer-brand p,
.footer-note p,
.footer-bottom {
    color: rgba(234,243,255,.78);
}

.footer-links,
.footer-note {
    display: grid;
    align-content: start;
    gap: 8px;
}

.footer-links h3,
.footer-note h3 {
    color: #EAF3FF;
}

.footer-links a {
    color: rgba(234,243,255,.82);
}

.footer-links a:hover {
    color: #FFFFFF;
}

.footer-btn {
    justify-self: start;
    margin-top: 8px;
}

.footer-bottom {
    width: min(1200px, calc(100% - 36px));
    margin: 0 auto;
    padding: 18px 0 24px;
    border-top: 1px solid rgba(234,243,255,.14);
    display: flex;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
    font-size: 14px;
}

@media (max-width: 1100px) {
    .nav {
        gap: 13px;
    }

    .nav a,
    .nav-drop-btn {
        font-size: 14px;
    }

    .header-inner {
        gap: 16px;
    }
}

@media (max-width: 920px) {
    .header-inner {
        min-height: 66px;
        padding: 0 14px;
        display: grid;
        grid-template-columns: 42px 1fr auto;
        gap: 12px;
    }

    .mobile-menu-btn {
        display: block;
    }

    .logo {
        min-width: 0;
        justify-content: center;
    }

    .logo img {
        max-height: 46px;
    }

    .nav-wrap {
        display: none;
    }

    .header-action .main-btn {
        min-height: 38px;
        padding: 0 16px;
    }

    .page-hero,
    .welcome-card,
    .split-card {
        grid-template-columns: 1fr;
    }

    .grid-4,
    .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer-inner {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .banner-slider {
        width: calc(100% - 28px);
        margin-top: 20px;
        aspect-ratio: 16 / 7;
    }
}

@media (max-width: 620px) {
    body {
        font-size: 15px;
    }

    .container,
    .section,
    .section-narrow,
    .page-hero {
        width: calc(100% - 24px);
    }

    .page-hero {
        margin-top: 20px;
        padding: 24px 18px;
        border-radius: 22px;
    }

    .section,
    .section-narrow {
        padding: 28px 0;
    }

    .grid-4,
    .grid-3,
    .grid-2,
    .icon-list {
        grid-template-columns: 1fr;
    }

    .card,
    .zone-card,
    .info-card,
    .review-card,
    .faq-item,
    .notice-card,
    .step-card,
    .entry-card {
        padding: 20px;
        border-radius: 18px;
    }

    .banner-slider {
        border-radius: 16px;
        aspect-ratio: 16 / 8;
    }

    .slider-arrow {
        width: 36px;
        height: 36px;
        font-size: 22px;
    }

    .slider-prev {
        left: 10px;
    }

    .slider-next {
        right: 10px;
    }

    .table-row {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        display: grid;
    }
}