* {
    box-sizing: border-box;
}

:root {
    --page-bg: #E6EBF2;
    --surface: #FFFFFF;
    --surface-soft: #F4F7FB;
    --surface-blue: #EAF5FF;
    --brand: #289CFF;
    --brand-deep: #168CE8;
    --border: #D7E8F6;
    --title: #2E3C52;
    --text: #3F4D63;
    --text-soft: #6F7D91;
    --muted: #95A1B2;
    --footer: #2C3B52;
    --shadow: 0 14px 36px rgba(54, 91, 135, 0.14);
    --radius: 20px;
}

html {
    min-height: 100%;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    margin: 0;
    min-height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    background:
        radial-gradient(circle at 5% 8%, rgba(40, 156, 255, 0.12), transparent 26%),
        radial-gradient(circle at 92% 20%, rgba(43, 193, 244, 0.10), transparent 24%),
        var(--page-bg);
    color: var(--text);
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

body.drawer-open {
    overflow: hidden;
}

a {
    color: inherit;
}

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

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button {
    font: inherit;
}

.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 9999;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 8px 24px rgba(54, 91, 135, 0.12);
}

.header-inner {
    width: min(1280px, calc(100% - 40px));
    min-height: 74px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 24px;
    overflow: visible;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
}

.brand-logo img {
    display: block;
    width: auto;
    height: 44px;
    object-fit: contain;
}

.nav-core {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 0;
    flex: 1 1 auto;
    flex-wrap: nowrap;
}

.nav-core a,
.app-entry,
.more-toggle {
    white-space: nowrap;
    text-decoration: none;
    color: #48566D;
    border: 0;
    background: transparent;
    padding: 9px 10px;
    border-radius: 999px;
    cursor: pointer;
    font-size: 15px;
    transition: color .2s ease, background .2s ease, transform .2s ease;
}

.nav-core a:hover,
.nav-core a.active,
.app-entry:hover,
.more-toggle:hover,
.more-menu.is-open .more-toggle {
    color: var(--brand);
    background: var(--surface-blue);
}

.header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    flex: 0 0 auto;
}

.main-btn {
    display: inline-flex;
    min-height: 42px;
    padding: 0 22px;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: linear-gradient(135deg, #2BC1F4 0%, #26B5F7 55%, #25A8FB 100%);
    color: #FFFFFF;
    text-decoration: none;
    font-weight: 700;
    white-space: nowrap;
    box-shadow: 0 10px 20px rgba(37, 168, 251, 0.24);
    transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}

.main-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(37, 168, 251, 0.30);
    filter: saturate(1.08);
}

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

.more-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 13px);
    width: 232px;
    padding: 10px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    border: 1px solid rgba(40, 156, 255, 0.16);
    border-radius: 16px;
    background: #FFFFFF;
    box-shadow: 0 18px 42px rgba(54, 91, 135, 0.18);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
    z-index: 10000;
}

.more-menu:hover .more-dropdown,
.more-menu:focus-within .more-dropdown,
.more-menu.is-open .more-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.more-dropdown a {
    display: block;
    padding: 9px 10px;
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-soft);
    font-size: 14px;
}

.more-dropdown a:hover {
    color: var(--brand);
    background: var(--surface-blue);
}

.header-mobile,
.mobile-drawer,
.drawer-overlay {
    display: none;
}

main {
    position: relative;
    z-index: 1;
}

.shell {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
}

.banner-slider {
    width: min(1280px, calc(100% - 40px));
    margin: 24px auto 18px;
    position: relative;
    z-index: 1;
    overflow: hidden;
    border-radius: 20px;
    background: #FFFFFF;
    box-shadow: var(--shadow);
}

.banner-track {
    position: relative;
}

.banner-slide {
    display: none;
    margin: 0;
    background: var(--page-bg);
}

.banner-slide.is-active {
    display: block;
}

.banner-slide img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 540px;
    object-fit: contain;
    background: var(--page-bg);
}

.slider-prev,
.slider-next {
    position: absolute;
    top: 50%;
    z-index: 3;
    width: 44px;
    height: 44px;
    margin-top: -22px;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.88);
    color: var(--brand-deep);
    font-size: 30px;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(54, 91, 135, 0.18);
}

.slider-prev { left: 18px; }
.slider-next { right: 18px; }

.slider-dots {
    position: absolute;
    left: 50%;
    bottom: 14px;
    z-index: 3;
    transform: translateX(-50%);
    display: flex;
    gap: 9px;
}

.slider-dot {
    width: 10px;
    height: 10px;
    padding: 0;
    border: 2px solid rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    background: rgba(46, 60, 82, 0.45);
    cursor: pointer;
    transition: width .2s ease, border-radius .2s ease, background .2s ease;
}

.slider-dot.is-active {
    width: 26px;
    border-radius: 999px;
    background: var(--brand);
}

.announcement {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto 24px;
    padding: 12px 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: 1px solid rgba(40, 156, 255, 0.20);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.88);
    color: var(--text-soft);
    text-align: center;
    box-shadow: 0 8px 24px rgba(54, 91, 135, 0.08);
}

.announcement strong {
    color: var(--brand-deep);
}

.section {
    padding: 34px 0;
}

.section-soft {
    margin: 20px 0;
    padding: 48px 0;
    background: rgba(244, 247, 251, 0.78);
    border-top: 1px solid rgba(40, 156, 255, 0.10);
    border-bottom: 1px solid rgba(40, 156, 255, 0.10);
}

.section-heading {
    max-width: 780px;
    margin: 0 auto 24px;
    text-align: center;
}

.eyebrow {
    display: inline-flex;
    margin-bottom: 8px;
    padding: 5px 12px;
    border-radius: 999px;
    background: var(--surface-blue);
    color: var(--brand-deep);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .08em;
}

h1,
h2,
h3,
.section-title {
    color: var(--title);
    line-height: 1.35;
}

h1 {
    margin: 0 0 16px;
    font-size: clamp(34px, 5vw, 56px);
}

h2 {
    margin: 0 0 14px;
    font-size: clamp(26px, 3vw, 36px);
}

h3 {
    margin: 0 0 10px;
    font-size: 21px;
}

p {
    margin: 0 0 14px;
}

.lead {
    color: var(--text-soft);
    font-size: 18px;
}

.split-panel,
.app-panel,
.feature-panel,
.page-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
    gap: 34px;
    align-items: center;
    padding: 34px;
    border: 1px solid rgba(40, 156, 255, 0.16);
    border-radius: var(--radius);
    background: #FFFFFF;
    box-shadow: var(--shadow);
}

.split-panel.reverse,
.app-panel.reverse {
    grid-template-columns: minmax(320px, .92fr) minmax(0, 1.08fr);
}

.split-panel.reverse .panel-copy,
.app-panel.reverse .panel-copy {
    order: 2;
}

.content-img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 470px;
    object-fit: contain;
    border-radius: 16px;
    background: var(--surface-soft);
}

.panel-copy .main-btn {
    margin-top: 8px;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--brand-deep);
    text-decoration: none;
    font-weight: 700;
}

.text-link::after {
    content: "→";
    transition: transform .2s ease;
}

.text-link:hover::after {
    transform: translateX(3px);
}

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

.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.service-card,
.content-block {
    border: 1px solid rgba(40, 156, 255, 0.16);
    border-radius: 18px;
    background: #FFFFFF;
    box-shadow: 0 14px 36px rgba(54, 91, 135, 0.10);
}

.card,
.info-card,
.review-card,
.service-card,
.content-block {
    padding: 24px;
}

.card {
    min-height: 210px;
    display: flex;
    flex-direction: column;
}

.card p {
    color: var(--text-soft);
    flex: 1 1 auto;
}

.zone-grid,
.review-grid,
.two-column,
.service-grid {
    display: grid;
    gap: 20px;
}

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

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

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

.zone-card {
    overflow: hidden;
}

.zone-card img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 280px;
    object-fit: contain;
    background: var(--surface-soft);
}

.zone-card-content {
    padding: 22px;
}

.zone-card-content p,
.review-card p,
.info-card p,
.service-card p {
    color: var(--text-soft);
}

.review-card {
    position: relative;
    padding-top: 46px;
}

.review-card::before {
    content: "“";
    position: absolute;
    top: 6px;
    left: 20px;
    color: rgba(40, 156, 255, 0.28);
    font-size: 58px;
    line-height: 1;
    font-family: Georgia, serif;
}

.review-author {
    margin-top: 14px;
    color: var(--brand-deep);
    font-weight: 700;
}

.faq-list {
    display: grid;
    gap: 14px;
}

.faq-item {
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    border: 0;
    background: #FFFFFF;
    color: var(--title);
    text-align: left;
    font-weight: 700;
    cursor: pointer;
}

.faq-question::after {
    content: "+";
    flex: 0 0 auto;
    color: var(--brand);
    font-size: 26px;
    transition: transform .2s ease;
}

.faq-item.is-open .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    display: none;
    padding: 0 22px 20px;
    color: var(--text-soft);
}

.faq-item.is-open .faq-answer {
    display: block;
}

.compliance-box {
    padding: 26px;
    border: 1px solid rgba(40, 156, 255, 0.18);
    border-radius: 18px;
    background: linear-gradient(135deg, #EAF5FF, #FFFFFF);
    color: var(--text-soft);
    box-shadow: 0 12px 30px rgba(54, 91, 135, 0.09);
}

.compliance-box h2 {
    font-size: 24px;
}

.page-hero {
    margin-top: 28px;
    background: linear-gradient(135deg, #FFFFFF 0%, #F4F7FB 58%, #EAF5FF 100%);
}

.page-hero.no-image {
    grid-template-columns: 1fr;
    text-align: center;
}

.page-hero.no-image .hero-copy {
    max-width: 850px;
    margin: 0 auto;
}

.page-hero img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 420px;
    object-fit: contain;
    border-radius: 16px;
    background: var(--surface-soft);
}

.breadcrumbs {
    margin-bottom: 14px;
    color: var(--text-soft);
    font-size: 14px;
}

.breadcrumbs a {
    color: var(--brand-deep);
    text-decoration: none;
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 24px;
    align-items: start;
}

.article-main {
    display: grid;
    gap: 20px;
}

.content-block h2 {
    font-size: 27px;
}

.content-block ul,
.service-card ul {
    margin: 12px 0 0;
    padding-left: 20px;
    color: var(--text-soft);
}

.content-block li,
.service-card li {
    margin: 8px 0;
}

.sidebar {
    position: sticky;
    top: 98px;
    display: grid;
    gap: 18px;
}

.sidebar .info-card h2 {
    font-size: 22px;
}

.quick-links {
    display: grid;
    gap: 10px;
}

.quick-links a {
    padding: 10px 12px;
    border-radius: 10px;
    background: var(--surface-soft);
    color: var(--text-soft);
    text-decoration: none;
}

.quick-links a:hover {
    color: var(--brand-deep);
    background: var(--surface-blue);
}

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

.feedback-item {
    padding: 16px 18px;
    border-left: 3px solid var(--brand);
    border-radius: 0 12px 12px 0;
    background: var(--surface-soft);
    color: var(--text-soft);
}

.site-footer {
    margin-top: 58px;
    background: var(--footer);
    color: #EDF6FF;
}

.footer-inner {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
    padding: 50px 0 34px;
    display: grid;
    grid-template-columns: 1.15fr 1.85fr;
    gap: 54px;
}

.footer-brand img {
    width: auto;
    height: 46px;
    object-fit: contain;
    padding: 6px 10px;
    border-radius: 10px;
    background: #FFFFFF;
}

.footer-brand p {
    max-width: 440px;
    margin-top: 16px;
    color: rgba(237, 246, 255, 0.76);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.footer-links h2 {
    margin-bottom: 12px;
    color: #FFFFFF;
    font-size: 17px;
}

.footer-links a {
    display: block;
    margin: 8px 0;
    color: rgba(237, 246, 255, 0.72);
    text-decoration: none;
    font-size: 14px;
}

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

.footer-notice {
    border-top: 1px solid rgba(255, 255, 255, 0.10);
    border-bottom: 1px solid rgba(255, 255, 255, 0.10);
}

.footer-notice p {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
    padding: 20px 0;
    color: rgba(237, 246, 255, 0.76);
    font-size: 14px;
    text-align: center;
}

.footer-bottom {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
    padding: 18px 0;
    color: rgba(237, 246, 255, 0.58);
    text-align: center;
    font-size: 13px;
}

@media (max-width: 1120px) {
    .nav-core {
        gap: 2px;
    }
    .nav-core a,
    .app-entry,
    .more-toggle {
        padding-left: 8px;
        padding-right: 8px;
        font-size: 14px;
    }
    .category-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 1024px) {
    .header-desktop {
        display: none;
    }

    .header-mobile {
        min-height: 66px;
        width: min(100%, 760px);
        margin: 0 auto;
        padding: 0 16px;
        display: grid;
        grid-template-columns: 92px 1fr 92px;
        align-items: center;
    }

    .mobile-menu-button {
        justify-self: start;
        width: 42px;
        height: 42px;
        border: 1px solid var(--border);
        border-radius: 12px;
        background: #FFFFFF;
        color: var(--title);
        font-size: 23px;
        cursor: pointer;
    }

    .mobile-logo {
        justify-self: center;
        display: inline-flex;
    }

    .mobile-logo img {
        display: block;
        width: auto;
        height: 39px;
        object-fit: contain;
    }

    .mobile-register {
        justify-self: end;
        min-height: 38px;
        padding: 0 17px;
        font-size: 14px;
    }

    .drawer-overlay {
        position: fixed;
        inset: 0;
        z-index: 11990;
        display: block;
        background: rgba(27, 42, 65, 0.48);
        opacity: 0;
        visibility: hidden;
        transition: opacity .22s ease, visibility .22s ease;
    }

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

    .mobile-drawer {
        position: fixed;
        top: 0;
        bottom: 0;
        left: 0;
        z-index: 12000;
        width: min(86vw, 340px);
        display: flex;
        flex-direction: column;
        background: #FFFFFF;
        box-shadow: 18px 0 48px rgba(27, 42, 65, 0.24);
        transform: translateX(-105%);
        transition: transform .24s ease;
        overflow-y: auto;
        overscroll-behavior: contain;
    }

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

    .drawer-head {
        position: sticky;
        top: 0;
        z-index: 2;
        min-height: 72px;
        padding: 12px 16px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        border-bottom: 1px solid var(--border);
        background: rgba(255, 255, 255, 0.96);
    }

    .drawer-logo img {
        display: block;
        width: auto;
        height: 40px;
        object-fit: contain;
    }

    .drawer-close {
        width: 40px;
        height: 40px;
        border: 1px solid var(--border);
        border-radius: 12px;
        background: var(--surface-soft);
        color: var(--title);
        font-size: 28px;
        cursor: pointer;
    }

    .drawer-nav {
        padding: 10px 16px 30px;
        display: grid;
        gap: 4px;
    }

    .drawer-nav a {
        padding: 12px 14px;
        border-radius: 11px;
        color: var(--text);
        text-decoration: none;
    }

    .drawer-nav a:hover {
        color: var(--brand-deep);
        background: var(--surface-blue);
    }

    .split-panel,
    .app-panel,
    .feature-panel,
    .page-hero,
    .split-panel.reverse,
    .app-panel.reverse {
        grid-template-columns: 1fr;
    }

    .split-panel.reverse .panel-copy,
    .app-panel.reverse .panel-copy {
        order: initial;
    }

    .article-layout {
        grid-template-columns: 1fr;
    }

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

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

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

@media (max-width: 760px) {
    .shell,
    .banner-slider,
    .announcement,
    .footer-inner,
    .footer-notice p,
    .footer-bottom {
        width: min(100% - 24px, 680px);
    }

    .banner-slider {
        margin-top: 14px;
        border-radius: 14px;
    }

    .slider-prev,
    .slider-next {
        width: 36px;
        height: 36px;
        margin-top: -18px;
        font-size: 25px;
    }

    .slider-prev { left: 9px; }
    .slider-next { right: 9px; }

    .slider-dots {
        bottom: 9px;
    }

    .announcement {
        align-items: flex-start;
        text-align: left;
    }

    .section,
    .section-soft {
        padding: 26px 0;
    }

    .split-panel,
    .app-panel,
    .feature-panel,
    .page-hero {
        padding: 22px;
        gap: 22px;
        border-radius: 16px;
    }

    .category-grid,
    .zone-grid,
    .review-grid,
    .two-column,
    .service-grid,
    .sidebar {
        grid-template-columns: 1fr;
    }

    .card {
        min-height: 0;
    }

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

    h1 {
        font-size: 34px;
    }

    h2 {
        font-size: 27px;
    }
}

@media (max-width: 430px) {
    .header-mobile {
        grid-template-columns: 74px 1fr 74px;
        padding: 0 10px;
    }

    .mobile-logo img {
        max-width: 126px;
        height: 34px;
    }

    .mobile-register {
        min-height: 36px;
        padding: 0 14px;
    }

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