* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: #F3FBFF;
    color: #1F2D3A;
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.72;
    overflow-x: hidden;
}

a {
    color: #22AEEA;
    text-decoration: none;
}

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

.wrap {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 9999;
    background: rgba(255,255,255,0.94);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(34,174,234,0.10);
}

.desktop-header {
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    white-space: nowrap;
}

.brand-logo img {
    width: 146px;
    max-height: 48px;
    object-fit: contain;
}

.nav-core {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.nav-core a {
    color: #147FB8;
    background: rgba(34,174,234,0.08);
    border: 1px solid rgba(34,174,234,0.14);
    border-radius: 999px;
    padding: 9px 18px;
    font-size: 15px;
    line-height: 1;
    transition: .22s ease;
}

.nav-core a:hover,
.nav-core a.active {
    color: #22AEEA;
    background: linear-gradient(135deg, rgba(109,230,255,0.24), rgba(34,174,234,0.12));
    box-shadow: 0 8px 22px rgba(34,174,234,0.12);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.overview-btn,
.menu-btn,
.close-btn {
    border: 0;
    cursor: pointer;
    font-family: inherit;
}

.overview-btn {
    background: #FFFFFF;
    color: #147FB8;
    border: 1px solid rgba(34,174,234,0.18);
    border-radius: 999px;
    padding: 10px 18px;
    box-shadow: 0 8px 22px rgba(34,174,234,0.08);
}

.overview-btn:hover {
    color: #22AEEA;
    border-color: rgba(34,174,234,0.36);
}

.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 10px 24px;
    border-radius: 999px;
    color: #FFFFFF;
    background: linear-gradient(135deg, #6DE6FF 0%, #22AEEA 48%, #168DCC 100%);
    box-shadow: 0 10px 24px rgba(34,174,234,0.26);
    font-weight: 700;
    transition: .22s ease;
}

.main-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(22,141,204,0.30);
    color: #FFFFFF;
}

.mobile-header {
    display: none;
    min-height: 64px;
    align-items: center;
    justify-content: space-between;
    padding: 0 14px;
}

.mobile-logo img {
    width: 132px;
    max-height: 42px;
    object-fit: contain;
}

.menu-btn {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: #EAF8FF;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border: 1px solid rgba(34,174,234,0.16);
}

.menu-btn span {
    width: 20px;
    height: 2px;
    border-radius: 999px;
    background: #147FB8;
}

.mobile-register {
    min-height: 38px;
    padding: 8px 17px;
}

.screen-mask {
    position: fixed;
    inset: 0;
    background: rgba(7,45,70,0.28);
    opacity: 0;
    pointer-events: none;
    z-index: 9998;
    transition: .25s ease;
}

.category-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: min(440px, 92vw);
    height: 100vh;
    background: #FFFFFF;
    box-shadow: 0 18px 48px rgba(34,174,234,0.16);
    z-index: 10000;
    transform: translateX(105%);
    transition: .28s ease;
    padding: 24px;
    overflow-y: auto;
}

.panel-open .screen-mask,
.drawer-open .screen-mask {
    opacity: 1;
    pointer-events: auto;
}

.panel-open .category-panel {
    transform: translateX(0);
}

.panel-head,
.drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.panel-head strong {
    color: #22AEEA;
    font-size: 24px;
}

.panel-head p {
    margin: 4px 0 0;
    color: #5C6F82;
    font-size: 14px;
}

.close-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #EAF8FF;
    color: #147FB8;
    font-size: 28px;
    line-height: 38px;
}

.panel-groups {
    display: grid;
    gap: 22px;
    margin-top: 24px;
}

.panel-groups section {
    padding: 18px;
    border-radius: 24px;
    background: #F7FCFF;
    border: 1px solid rgba(34,174,234,0.16);
}

.panel-groups h3 {
    margin: 0 0 12px;
    color: #22AEEA;
    font-size: 18px;
}

.panel-groups a {
    display: block;
    padding: 12px 0;
    border-top: 1px dashed rgba(34,174,234,0.16);
}

.panel-groups span {
    display: block;
    color: #1F2D3A;
    font-weight: 700;
}

.panel-groups em {
    display: block;
    color: #5C6F82;
    font-style: normal;
    font-size: 13px;
}

.panel-groups a:hover span,
.panel-groups a:hover em {
    color: #22AEEA;
}

.mobile-drawer {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(84vw, 320px);
    height: 100vh;
    background: linear-gradient(180deg, #FFFFFF 0%, #F7FCFF 100%);
    z-index: 10000;
    transform: translateX(-105%);
    transition: .28s ease;
    overflow-y: auto;
    padding: 18px;
    box-shadow: 0 18px 48px rgba(34,174,234,0.18);
}

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

.drawer-head img {
    width: 136px;
    max-height: 44px;
    object-fit: contain;
}

.drawer-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 22px;
}

.drawer-nav a {
    padding: 12px 10px;
    border-radius: 16px;
    background: #FFFFFF;
    border: 1px solid rgba(34,174,234,0.16);
    color: #147FB8;
    text-align: center;
    font-weight: 700;
}

.drawer-nav a.active,
.drawer-nav a:hover {
    color: #22AEEA;
    background: #EAF8FF;
}

.mobile-bottom-nav {
    display: none;
}

.site-main,
.inner-main {
    padding-bottom: 56px;
}

.hero-section {
    margin: 28px auto 20px;
    border-radius: 34px;
    padding: 46px;
    background:
        radial-gradient(circle at 12% 20%, rgba(109,230,255,0.24) 0%, rgba(109,230,255,0) 30%),
        radial-gradient(circle at 86% 18%, rgba(34,174,234,0.18) 0%, rgba(34,174,234,0) 30%),
        linear-gradient(135deg, #FFFFFF 0%, #F3FBFF 52%, #EAF8FF 100%);
    border: 1px solid rgba(34,174,234,0.16);
    box-shadow: 0 14px 36px rgba(34,174,234,0.12);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.04fr .96fr;
    gap: 36px;
    align-items: center;
}

.section-kicker,
.tag,
.label,
.num,
.badge {
    color: #22AEEA;
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(34,174,234,0.10);
    border: 1px solid rgba(34,174,234,0.16);
    font-weight: 700;
    margin-bottom: 14px;
}

h1,
h2,
h3,
.section-title {
    color: #22AEEA;
    line-height: 1.28;
}

h1 {
    margin: 0 0 18px;
    font-size: clamp(34px, 5vw, 58px);
    letter-spacing: -1px;
}

h2 {
    margin: 0 0 16px;
    font-size: clamp(26px, 3vw, 38px);
}

h3 {
    margin: 0 0 10px;
}

p {
    margin: 0 0 14px;
}

.lead {
    color: #1F2D3A;
    font-size: 17px;
}

.muted {
    color: #5C6F82;
}

.light-text {
    color: #8BA1B5;
}

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

.text-link {
    color: #22AEEA;
    font-weight: 700;
}

.hero-visual,
.inner-visual {
    background: #FFFFFF;
    border: 1px solid rgba(34,174,234,0.16);
    border-radius: 30px;
    padding: 18px;
    min-height: 260px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 14px 36px rgba(34,174,234,0.12);
    position: relative;
}

.hero-visual::before,
.inner-visual::before {
    content: "";
    position: absolute;
    inset: 16px;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(109,230,255,0.18), rgba(255,255,255,0));
    pointer-events: none;
}

.hero-visual img {
    max-height: 340px;
    width: 100%;
    object-fit: contain;
    position: relative;
    z-index: 1;
}

.inner-visual img {
    max-height: 290px;
    width: 100%;
    object-fit: contain;
    position: relative;
    z-index: 1;
}

.hero-summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 34px;
}

.summary-card,
.card,
.zone-card,
.info-card,
.review-card,
.faq-card,
.feature-card,
.notice-card {
    background: #FFFFFF;
    border: 1px solid rgba(34,174,234,0.16);
    box-shadow: 0 14px 36px rgba(34,174,234,0.12);
    border-radius: 24px;
}

.summary-card {
    padding: 20px;
}

.summary-card span,
.info-card span,
.feature-card span {
    color: #22AEEA;
    font-weight: 800;
    font-size: 13px;
}

.summary-card strong,
.info-card strong,
.feature-card strong {
    display: block;
    color: #147FB8;
    font-size: 20px;
    margin: 6px 0 6px;
}

.quick-cats {
    margin: 22px auto;
    display: flex;
    gap: 14px;
    overflow-x: auto;
    padding-bottom: 10px;
}

.quick-cats a {
    flex: 0 0 178px;
    border-radius: 22px;
    padding: 16px;
    background: rgba(255,255,255,0.88);
    border: 1px solid rgba(34,174,234,0.16);
    color: #1F2D3A;
}

.quick-cats a:hover {
    border-color: #22AEEA;
    transform: translateY(-2px);
}

.quick-cats span {
    color: #22AEEA;
    font-weight: 800;
    display: block;
    margin-bottom: 4px;
}

.quick-cats em {
    display: block;
    color: #5C6F82;
    font-style: normal;
    font-size: 13px;
}

.service-strip {
    margin: 28px auto;
    border-radius: 30px;
    padding: 24px 30px;
    background: linear-gradient(135deg, #FFFFFF, #EAF8FF);
    border: 1px solid rgba(34,174,234,0.16);
}

.service-strip p {
    color: #1F2D3A;
    font-size: 17px;
    margin: 0;
}

.section-block {
    margin: 44px auto;
}

.section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 22px;
    margin-bottom: 18px;
}

.section-head p {
    max-width: 620px;
    color: #5C6F82;
}

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

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

.dual-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.content-card {
    overflow: hidden;
}

.card-media {
    height: 220px;
    padding: 16px;
    background: #F7FCFF;
    border-radius: 22px 22px 0 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-media img,
.zone-card img,
.app-section img,
.content-img {
    max-width: 100%;
    height: 100%;
    object-fit: contain;
}

.card-body {
    padding: 24px;
}

.point-list {
    display: grid;
    gap: 8px;
    padding: 0;
    margin: 16px 0 0;
    list-style: none;
}

.point-list li {
    position: relative;
    padding-left: 18px;
    color: #5C6F82;
}

.point-list li::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22AEEA;
    position: absolute;
    left: 0;
    top: 11px;
}

.zone-wall {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.zone-card {
    overflow: hidden;
}

.zone-card figure {
    margin: 0;
    height: 180px;
    padding: 16px;
    background: #F7FCFF;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.app-section,
.support-section {
    display: grid;
    grid-template-columns: .82fr 1.18fr;
    gap: 28px;
    align-items: center;
    background: #FFFFFF;
    border: 1px solid rgba(34,174,234,0.16);
    box-shadow: 0 14px 36px rgba(34,174,234,0.12);
    border-radius: 30px;
    padding: 28px;
}

.app-section figure,
.support-section figure {
    margin: 0;
    height: 260px;
    border-radius: 24px;
    background: #F7FCFF;
    padding: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notice-grid,
.review-grid,
.faq-grid,
.feature-grid {
    display: grid;
    gap: 18px;
}

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

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

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

.about-strip {
    display: grid;
    grid-template-columns: 1fr .42fr;
    gap: 20px;
    align-items: center;
    background: linear-gradient(135deg, #FFFFFF, #EAF8FF);
    border-radius: 30px;
    padding: 30px;
    border: 1px solid rgba(34,174,234,0.16);
}

.compliance {
    background: #0B3D5C;
    color: #EAF8FF;
    border-radius: 30px;
    padding: 28px;
}

.compliance h2 {
    color: #EAF8FF;
}

.compliance p {
    color: #EAF8FF;
    opacity: .92;
}

.inner-hero {
    margin: 28px auto 34px;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 30px;
    align-items: center;
    padding: 38px;
    border-radius: 34px;
    background:
        radial-gradient(circle at 12% 20%, rgba(109,230,255,0.22) 0%, rgba(109,230,255,0) 34%),
        linear-gradient(135deg, #FFFFFF 0%, #F3FBFF 60%, #EAF8FF 100%);
    border: 1px solid rgba(34,174,234,0.16);
    box-shadow: 0 14px 36px rgba(34,174,234,0.12);
}

.inner-hero h1 {
    font-size: clamp(32px, 4vw, 50px);
}

.inner-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: 22px 0;
}

.inner-stats span {
    background: #FFFFFF;
    border: 1px solid rgba(34,174,234,0.16);
    border-radius: 18px;
    padding: 12px;
    color: #147FB8;
    font-weight: 700;
}

.inner-section {
    margin: 38px auto;
}

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

.long-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
}

.article-card {
    padding: 26px;
    background: #FFFFFF;
    border: 1px solid rgba(34,174,234,0.16);
    box-shadow: 0 14px 36px rgba(34,174,234,0.12);
    border-radius: 26px;
}

.article-card h2,
.article-card h3 {
    margin-top: 0;
}

.check-list {
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
}

.check-list li {
    color: #5C6F82;
    padding-left: 28px;
    position: relative;
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #22AEEA;
    font-weight: 900;
}

.review-card cite {
    display: block;
    margin-top: 12px;
    color: #147FB8;
    font-style: normal;
    font-weight: 700;
}

.site-footer {
    background: #0B3D5C;
    color: #EAF8FF;
    padding: 46px 0 22px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.7fr repeat(3, 1fr);
    gap: 32px;
}

.footer-brand img {
    width: 154px;
    max-height: 52px;
    object-fit: contain;
    margin-bottom: 16px;
    background: rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 8px;
}

.footer-brand p,
.footer-links a,
.copyright {
    color: #EAF8FF;
    opacity: .88;
}

.footer-note {
    font-size: 14px;
}

.footer-links h3 {
    color: #EAF8FF;
    margin: 0 0 12px;
}

.footer-links a {
    display: block;
    margin: 8px 0;
}

.footer-links a:hover {
    opacity: 1;
    color: #6DE6FF;
}

.copyright {
    border-top: 1px solid rgba(234,248,255,0.18);
    margin-top: 28px;
    padding-top: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-size: 14px;
}

@media (max-width: 1040px) {
    .nav-core a {
        padding: 8px 13px;
    }

    .hero-summary,
    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-grid,
    .review-grid,
    .zone-wall {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 760px) {
    body {
        padding-bottom: 74px;
    }

    .desktop-header {
        display: none;
    }

    .mobile-header {
        display: flex;
    }

    .mobile-bottom-nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 9997;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        background: #FFFFFF;
        border-top: 1px solid rgba(34,174,234,0.16);
        box-shadow: 0 -8px 22px rgba(34,174,234,0.08);
        padding: 7px 8px calc(7px + env(safe-area-inset-bottom));
    }

    .mobile-bottom-nav a {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1px;
        color: #5C6F82;
        font-size: 12px;
        font-weight: 700;
    }

    .mobile-bottom-nav span {
        color: inherit;
        font-size: 16px;
        line-height: 1;
    }

    .mobile-bottom-nav a.active,
    .mobile-bottom-nav a:hover {
        color: #22AEEA;
    }

    .wrap {
        width: min(100% - 24px, 1180px);
    }

    .hero-section,
    .inner-hero {
        margin-top: 18px;
        padding: 22px;
        border-radius: 26px;
    }

    .hero-grid,
    .inner-hero,
    .app-section,
    .support-section,
    .about-strip,
    .long-grid,
    .dual-grid,
    .notice-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        min-height: 220px;
    }

    .hero-visual img {
        max-height: 260px;
    }

    .inner-visual {
        min-height: 210px;
    }

    .inner-visual img {
        max-height: 240px;
    }

    h1 {
        font-size: 33px;
    }

    h2 {
        font-size: 26px;
    }

    .hero-summary,
    .info-grid,
    .feature-grid,
    .review-grid,
    .zone-wall,
    .inner-stats {
        grid-template-columns: 1fr;
    }

    .quick-cats {
        width: calc(100% + 12px);
        margin-left: 0;
    }

    .card-media {
        height: 180px;
    }

    .zone-card figure {
        height: 160px;
    }

    .app-section figure,
    .support-section figure {
        height: 210px;
    }

    .section-head {
        display: block;
    }

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

    .copyright {
        display: block;
    }

    .copyright span {
        display: block;
        margin-top: 6px;
    }
}