* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

html,
body {
    margin: 0;
    padding: 0;
    min-width: 320px;
    overflow-x: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
    background: #E6EBF2;
    color: #243447;
    line-height: 1.78;
}

a {
    color: #289CFF;
    text-decoration: none;
    transition: color .22s ease, transform .22s ease, background .22s ease, box-shadow .22s ease;
}

a:hover {
    color: #1E90F0;
}

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

.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 {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 72px;
}

.logo,
.drawer-logo,
.footer-logo {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
}

.logo img {
    max-height: 52px;
    width: auto;
}

.nav-wrap {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    justify-content: center;
}

.nav {
    display: flex;
    align-items: center;
    gap: 20px;
    white-space: nowrap;
    flex-wrap: nowrap;
}

.nav-link {
    position: relative;
    border: 0;
    background: transparent;
    color: #4E5F7A;
    font: inherit;
    font-size: 15px;
    font-weight: 700;
    line-height: 1;
    padding: 27px 0 24px;
    cursor: pointer;
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 14px;
    height: 3px;
    border-radius: 999px;
    background: #289CFF;
    opacity: 0;
    transform: scaleX(.25);
    transition: .22s ease;
}

.nav-link:hover,
.nav-link.active,
.dropdown.open > .nav-link,
.more-dropdown.open > .nav-link {
    color: #289CFF;
}

.nav-link:hover::after,
.nav-link.active::after,
.dropdown.open > .nav-link::after,
.more-dropdown.open > .nav-link::after {
    opacity: 1;
    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;
    box-shadow: 0 10px 24px rgba(36,155,255,0.25);
    border: 0;
    white-space: nowrap;
}

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

.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;
    pointer-events: none;
    transform: translateY(8px);
    transition: .22s ease;
}

.dropdown-menu a,
.more-menu a {
    display: block;
    padding: 12px 16px;
    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,
.dropdown:focus-within .dropdown-menu,
.dropdown.open .dropdown-menu,
.more-dropdown:hover .more-menu,
.more-dropdown:focus-within .more-menu,
.more-dropdown.open .more-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

.mobile-menu-btn {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(40,156,255,0.16);
    border-radius: 12px;
    background: #FFFFFF;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    padding: 0;
}

.mobile-menu-btn span {
    width: 20px;
    height: 2px;
    border-radius: 999px;
    background: #4E5F7A;
}

.drawer-mask {
    position: fixed;
    inset: 0;
    background: rgba(36,52,71,.36);
    z-index: 10001;
    opacity: 0;
    visibility: hidden;
    transition: .24s ease;
}

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

.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(86vw, 320px);
    background: #FFFFFF;
    z-index: 10002;
    transform: translateX(-105%);
    transition: transform .28s ease;
    box-shadow: 18px 0 38px rgba(56,92,138,0.18);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

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

.drawer-lock,
.drawer-lock body {
    overflow: hidden;
}

.drawer-head {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    background: #F5F7FB;
    border-bottom: 1px solid rgba(40,156,255,0.12);
}

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

.drawer-close {
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 12px;
    background: rgba(40,156,255,0.08);
    color: #289CFF;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}

.drawer-nav {
    padding: 14px;
}

.drawer-nav a {
    display: block;
    padding: 13px 14px;
    border-radius: 12px;
    color: #4E5F7A;
    font-weight: 700;
}

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

.site-main {
    min-height: 64vh;
}

.container {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
}

.banner-slider {
    width: min(1200px, calc(100% - 32px));
    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;
}

.slider-track {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 6.4;
    min-height: 260px;
    background: #FFFFFF;
}

.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity .45s ease;
}

.slide.active {
    opacity: 1;
    z-index: 2;
}

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

.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%);
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 50%;
    background: rgba(255,255,255,.86);
    box-shadow: 0 8px 20px rgba(56,92,138,0.18);
    cursor: pointer;
    z-index: 4;
}

.slider-arrow::before {
    display: block;
    color: #289CFF;
    font-size: 32px;
    line-height: 42px;
    font-weight: 800;
}

.slider-arrow.prev { left: 16px; }
.slider-arrow.next { right: 16px; }
.slider-arrow.prev::before { content: "‹"; }
.slider-arrow.next::before { content: "›"; }

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

.slider-dots button {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    border: 0;
    padding: 0;
    background: rgba(78,95,122,.35);
    cursor: pointer;
}

.slider-dots button.active {
    width: 26px;
    background: #289CFF;
}

.section {
    margin: 44px 0;
}

.section.soft {
    background: #EEF2F7;
    padding: 44px 0;
}

.section.white {
    background: #FFFFFF;
    padding: 44px 0;
}

.section-head {
    max-width: 780px;
    margin-bottom: 24px;
}

.eyebrow,
.tag,
.number {
    color: #289CFF;
    font-weight: 800;
    letter-spacing: .02em;
}

h1,
h2,
h3,
.section-title {
    color: #289CFF;
    line-height: 1.28;
    margin: 0 0 14px;
}

h1 {
    font-size: clamp(30px, 4vw, 52px);
}

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

h3 {
    font-size: 20px;
}

p {
    margin: 0 0 14px;
}

.lead {
    font-size: 18px;
    color: #243447;
}

.muted {
    color: #66788A;
}

.small {
    color: #8A9AAF;
    font-size: 14px;
}

.hero-intro,
.page-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr);
    gap: 28px;
    align-items: center;
    margin: 40px auto;
}

.hero-card,
.page-hero-text,
.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.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: 22px;
}

.hero-card,
.page-hero-text {
    padding: clamp(26px, 4vw, 44px);
}

.hero-visual,
.page-hero-visual,
.content-img-wrap {
    border-radius: 22px;
    background: #FFFFFF;
    border: 1px solid rgba(40,156,255,0.16);
    box-shadow: 0 14px 36px rgba(56,92,138,0.10);
    padding: 12px;
}

.hero-visual img,
.page-hero-visual img,
.content-img,
.zone-card img,
.app-section img,
.image-card img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 16px;
    background: #FFFFFF;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 24px;
}

.text-link {
    font-weight: 800;
    color: #289CFF;
}

.grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

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

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

.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.notice-card {
    padding: 22px;
}

.zone-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.zone-card img {
    aspect-ratio: 4 / 2.6;
}

.split {
    display: grid;
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: 28px;
    align-items: center;
}

.split.reverse {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
}

.panel {
    border-radius: 26px;
    padding: clamp(26px, 4vw, 44px);
    background: #F5F7FB;
    border: 1px solid rgba(40,156,255,0.14);
}

.list {
    display: grid;
    gap: 12px;
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
}

.list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 14px;
    border-radius: 14px;
    background: rgba(255,255,255,0.72);
    color: #243447;
}

.list li::before {
    content: "";
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #289CFF;
    margin-top: 10px;
    flex: 0 0 auto;
}

.step-list {
    counter-reset: item;
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.step-list li {
    counter-increment: item;
    background: rgba(255,255,255,0.92);
    border: 1px solid rgba(40,156,255,0.16);
    border-radius: 20px;
    padding: 22px;
    box-shadow: 0 14px 36px rgba(56,92,138,0.10);
}

.step-list li::before {
    content: counter(item, decimal-leading-zero);
    display: inline-flex;
    color: #289CFF;
    font-weight: 900;
    margin-bottom: 10px;
}

.review-card p {
    color: #243447;
}

.review-name {
    color: #66788A;
    font-weight: 800;
    margin-top: 12px;
}

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

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

.compliance-bar {
    background: #DDE4EE;
    border-top: 1px solid rgba(40,156,255,0.14);
    border-bottom: 1px solid rgba(40,156,255,0.14);
    padding: 28px 0;
}

.compliance-bar p {
    color: #4E5F7A;
    margin: 0;
}

.page-hero {
    margin-top: 36px;
}

.content-section {
    margin: 36px 0;
}

.rich-text {
    background: rgba(255,255,255,0.92);
    border: 1px solid rgba(40,156,255,0.16);
    border-radius: 22px;
    padding: clamp(24px, 3vw, 36px);
    box-shadow: 0 14px 36px rgba(56,92,138,0.10);
}

.rich-text p + p {
    margin-top: 12px;
}

.breadcrumb {
    color: #8A9AAF;
    font-size: 14px;
    margin: 20px auto 0;
}

.breadcrumb a {
    color: #66788A;
}

.site-footer {
    background: #243447;
    color: #EAF3FF;
    margin-top: 56px;
}

.footer-inner {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
    padding: 46px 0 28px;
    display: grid;
    grid-template-columns: minmax(280px, .9fr) minmax(0, 1.1fr);
    gap: 42px;
}

.footer-brand p,
.footer-note p {
    color: #EAF3FF;
    opacity: .9;
}

.footer-logo img {
    max-height: 52px;
    margin-bottom: 16px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.footer-links h3 {
    color: #EAF3FF;
    font-size: 17px;
}

.footer-links a {
    display: block;
    color: #EAF3FF;
    opacity: .84;
    margin: 8px 0;
}

.footer-links a:hover {
    color: #FFFFFF;
    opacity: 1;
}

.footer-note {
    border-top: 1px solid rgba(234,243,255,0.14);
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
    padding: 18px 0 26px;
}

@media (max-width: 1100px) {
    .nav {
        gap: 14px;
    }
    .nav-link {
        font-size: 14px;
    }
}

@media (max-width: 960px) {
    .header-inner {
        min-height: 66px;
        gap: 12px;
        width: min(100% - 24px, 1200px);
        display: grid;
        grid-template-columns: 48px minmax(0, 1fr) auto;
    }
    .mobile-menu-btn {
        display: inline-flex;
    }
    .nav-wrap {
        display: none;
    }
    .logo {
        justify-self: center;
    }
    .logo img {
        max-height: 44px;
    }
    .header-btn {
        min-height: 40px;
        padding: 0 18px;
        font-size: 14px;
    }
    .hero-intro,
    .page-hero,
    .split,
    .split.reverse {
        grid-template-columns: 1fr;
    }
    .grid,
    .grid.three,
    .grid.two,
    .step-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .footer-inner {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .container,
    .banner-slider {
        width: calc(100% - 24px);
    }
    .banner-slider {
        margin-top: 18px;
        border-radius: 16px;
    }
    .slider-track {
        min-height: 180px;
        aspect-ratio: 16 / 8.6;
    }
    .slider-arrow {
        width: 36px;
        height: 36px;
    }
    .slider-arrow::before {
        font-size: 26px;
        line-height: 36px;
    }
    .grid,
    .grid.three,
    .grid.two,
    .step-list {
        grid-template-columns: 1fr;
    }
    .hero-card,
    .page-hero-text,
    .panel,
    .rich-text,
    .card,
    .zone-card,
    .info-card,
    .review-card,
    .faq-item,
    .notice-card {
        padding: 20px;
        border-radius: 18px;
    }
    .section {
        margin: 32px 0;
    }
    .section.soft,
    .section.white {
        padding: 34px 0;
    }
    .footer-links {
        grid-template-columns: 1fr;
    }
    .footer-inner {
        padding-top: 36px;
    }
}