* {
    box-sizing: border-box;
}

:root {
    --body-bg: #F0F3FA;
    --page-blue: #D8F7FF;
    --nav-bg: #EAFBFF;
    --soft-bg: #F5FDFF;
    --white-bg: #FFFFFF;
    --blue: #27A9E8;
    --nav-blue: #167BB8;
    --text: #1D2B36;
    --muted: #5D7280;
    --light-text: #8194A0;
    --footer: #063B5C;
    --footer-text: #EAFBFF;
    --card: rgba(255,255,255,0.88);
    --border: rgba(39,169,232,0.22);
    --shadow: 0 14px 36px rgba(16,126,180,0.14);
    --btn: linear-gradient(180deg, #52C8FF 0%, #27A9E8 55%, #168BD0 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: #F0F3FA;
    background-image: linear-gradient(180deg, #D8F7FF 0%, #F0F3FA 42%, #D8F7FF 100%);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}

body.drawer-open {
    overflow: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 9999;
    background: #EAFBFF;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(16,126,180,0.14);
}

.header-inner {
    width: min(1200px, calc(100% - 32px));
    min-height: 72px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 22px;
}

.brand-logo img,
.drawer-logo img,
.footer-brand img {
    width: 146px;
    max-height: 52px;
    object-fit: contain;
}

.desktop-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    flex-wrap: nowrap;
}

.desktop-nav a {
    color: #167BB8;
    font-weight: 700;
    font-size: 15px;
    padding: 10px 10px;
    border-radius: 12px;
    white-space: nowrap;
    transition: all .2s ease;
}

.desktop-nav a:hover,
.desktop-nav a.active {
    color: #27A9E8;
    background: linear-gradient(180deg, rgba(39,169,232,0.14), rgba(39,169,232,0.04));
    box-shadow: inset 0 -2px 0 #27A9E8, 0 10px 22px rgba(39,169,232,0.16);
}

.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 24px;
    border-radius: 999px;
    background: linear-gradient(180deg, #52C8FF 0%, #27A9E8 55%, #168BD0 100%);
    color: #FFFFFF;
    box-shadow: 0 10px 24px rgba(39,169,232,0.28);
    font-weight: 800;
    border: 0;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.main-btn:hover {
    background: linear-gradient(180deg, #63D2FF 0%, #1597D8 100%);
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(39,169,232,0.34);
}

.header-btn {
    justify-self: end;
}

.mobile-menu-btn {
    display: none;
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 12px;
    background: rgba(39,169,232,0.12);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}

.mobile-menu-btn span {
    width: 21px;
    height: 2px;
    background: #167BB8;
    border-radius: 999px;
}

.mobile-mask {
    position: fixed;
    inset: 0;
    z-index: 9998;
    background: rgba(6,31,47,0.42);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
}

.mobile-mask.show {
    opacity: 1;
    pointer-events: auto;
}

.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10000;
    width: 84vw;
    max-width: 320px;
    height: 100vh;
    background: #F5FDFF;
    box-shadow: 18px 0 36px rgba(6,59,92,0.18);
    transform: translateX(-105%);
    transition: transform .28s ease;
    overflow-y: auto;
}

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

.drawer-head {
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 18px;
    border-bottom: 1px solid rgba(39,169,232,0.18);
}

.drawer-close {
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 10px;
    background: rgba(39,169,232,0.12);
    color: #167BB8;
    font-size: 28px;
    line-height: 1;
}

.drawer-nav {
    padding: 16px;
    display: grid;
    gap: 8px;
}

.drawer-nav a {
    color: #167BB8;
    font-weight: 700;
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(255,255,255,0.62);
    border: 1px solid rgba(39,169,232,0.12);
}

.drawer-nav a.active {
    color: #27A9E8;
    background: rgba(39,169,232,0.12);
    box-shadow: inset 3px 0 0 #27A9E8;
}

.site-main {
    min-height: 60vh;
}

.wrap,
.banner-slider,
.compliance-bar {
    width: min(1200px, calc(100% - 32px));
    margin-left: auto;
    margin-right: auto;
}

.banner-slider {
    margin-top: 28px;
    margin-bottom: 36px;
    border-radius: 20px;
    background: #F5FDFF;
    box-shadow: 0 18px 40px rgba(16,126,180,0.14);
    overflow: hidden;
    position: relative;
    min-height: 420px;
}

.banner-track {
    position: relative;
    min-height: 420px;
}

.banner-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity .45s ease, visibility .45s ease;
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
}

.banner-slide.active {
    opacity: 1;
    visibility: visible;
}

.banner-slide img {
    width: 100%;
    height: 420px;
    object-fit: contain;
    background: #F5FDFF;
}

.banner-copy {
    position: absolute;
    left: 38px;
    bottom: 34px;
    width: min(560px, calc(100% - 76px));
    padding: 24px;
    border-radius: 18px;
    background: rgba(245,253,255,0.88);
    border: 1px solid rgba(39,169,232,0.22);
    box-shadow: 0 18px 36px rgba(6,59,92,0.12);
}

.banner-copy .eyebrow,
.eyebrow,
.tag {
    color: #27A9E8;
    font-weight: 800;
    letter-spacing: .04em;
}

.banner-copy h1,
.banner-copy h2 {
    margin: 8px 0 10px;
    font-size: clamp(28px, 4vw, 46px);
    line-height: 1.15;
    color: #27A9E8;
}

.banner-copy p {
    margin: 0;
    color: #5D7280;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.88);
    color: #167BB8;
    box-shadow: 0 10px 24px rgba(16,126,180,0.18);
    font-size: 26px;
    cursor: pointer;
}

.slider-prev {
    left: 18px;
}

.slider-next {
    right: 18px;
}

.slider-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 14px;
    z-index: 6;
    display: flex;
    justify-content: center;
    gap: 9px;
}

.slider-dot {
    width: 11px;
    height: 11px;
    border-radius: 999px;
    border: 0;
    background: rgba(22,123,184,0.28);
    cursor: pointer;
}

.slider-dot.active {
    width: 28px;
    background: #27A9E8;
}

section {
    margin: 46px 0;
}

.hero-section {
    padding: 58px 0 20px;
}

.hero-card {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    gap: 32px;
    align-items: center;
    padding: 34px;
    border-radius: 24px;
    background: rgba(255,255,255,0.88);
    border: 1px solid rgba(39,169,232,0.22);
    box-shadow: var(--shadow);
}

.hero-card h1,
.section-title {
    margin: 0 0 14px;
    color: #27A9E8;
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.18;
}

.hero-card p,
.section-head p,
.card p,
.info-card p,
.review-card p,
.faq-item p,
.text-block p {
    color: #5D7280;
    margin: 0;
}

.hero-card .lead {
    color: #1D2B36;
    font-size: 18px;
    margin: 12px 0 18px;
}

.hero-visual {
    background: #F5FDFF;
    border-radius: 20px;
    padding: 16px;
    border: 1px solid rgba(39,169,232,0.18);
}

.hero-visual img,
.content-img,
.zone-card img,
.app-section img,
.image-card img,
.feature-media img {
    width: 100%;
    height: auto;
    max-height: 360px;
    object-fit: contain;
    border-radius: 18px;
    background: #F5FDFF;
}

.pill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0 22px;
}

.pill-list span,
.small-badge {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 0 13px;
    border-radius: 999px;
    background: rgba(39,169,232,0.12);
    color: #27A9E8;
    font-weight: 800;
}

.text-link {
    display: inline-flex;
    color: #27A9E8;
    font-weight: 800;
    margin-top: 14px;
}

.text-link:hover {
    text-decoration: underline;
}

.section-head {
    margin-bottom: 22px;
    max-width: 820px;
}

.section-head.center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.section-head h2 {
    margin: 0 0 10px;
    color: #27A9E8;
    font-size: clamp(24px, 3vw, 34px);
    line-height: 1.25;
}

.grid {
    display: grid;
    gap: 18px;
}

.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));
}

.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.image-card,
.step-card {
    background: rgba(255,255,255,0.88);
    border: 1px solid rgba(39,169,232,0.22);
    box-shadow: 0 14px 36px rgba(16,126,180,0.12);
    border-radius: 20px;
    padding: 22px;
}

.card h3,
.zone-card h3,
.info-card h3,
.review-card h3,
.faq-item h3,
.step-card h3 {
    margin: 0 0 9px;
    color: #27A9E8;
    font-size: 20px;
}

.card strong,
.info-card strong,
.step-card strong {
    color: #27A9E8;
}

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

.zone-card img {
    max-height: 210px;
    margin-bottom: 2px;
}

.split {
    display: grid;
    grid-template-columns: .95fr 1.05fr;
    gap: 24px;
    align-items: center;
}

.split.reverse {
    grid-template-columns: 1.05fr .95fr;
}

.text-block {
    padding: 28px;
    border-radius: 22px;
    background: rgba(255,255,255,0.82);
    border: 1px solid rgba(39,169,232,0.2);
    box-shadow: 0 12px 30px rgba(16,126,180,0.1);
}

.text-block h2 {
    margin: 0 0 12px;
    color: #27A9E8;
    font-size: clamp(24px, 3vw, 34px);
}

.text-block h3 {
    color: #27A9E8;
    margin: 20px 0 8px;
}

.notice-list,
.clean-list {
    margin: 14px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
}

.notice-list li,
.clean-list li {
    position: relative;
    padding-left: 26px;
    color: #5D7280;
}

.notice-list li::before,
.clean-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .72em;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #27A9E8;
    box-shadow: 0 0 0 5px rgba(39,169,232,0.13);
}

.review-card .role {
    display: inline-flex;
    color: #27A9E8;
    font-weight: 800;
    margin-bottom: 8px;
}

.app-section {
    padding: 26px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(245,253,255,0.96), rgba(255,255,255,0.88));
    border: 1px solid rgba(39,169,232,0.22);
    box-shadow: var(--shadow);
}

.compliance-bar {
    margin-top: 28px;
    margin-bottom: 48px;
    padding: 22px 24px;
    border-radius: 18px;
    background: rgba(6,59,92,0.92);
    color: #EAFBFF;
    box-shadow: 0 14px 34px rgba(6,59,92,0.18);
}

.compliance-bar strong {
    color: #FFFFFF;
}

.compliance-bar p {
    margin: 0;
}

.site-footer {
    background: #063B5C;
    color: #EAFBFF;
    padding: 46px 0 22px;
}

.footer-inner {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
    display: grid;
    grid-template-columns: .9fr 1.6fr;
    gap: 40px;
}

.footer-brand p,
.footer-note p {
    color: #EAFBFF;
    opacity: .88;
}

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

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

.footer-links a {
    display: block;
    color: #EAFBFF;
    opacity: .9;
    margin: 6px 0;
}

.footer-note {
    width: min(1200px, calc(100% - 32px));
    margin: 28px auto 0;
    padding-top: 18px;
    border-top: 1px solid rgba(234,251,255,0.18);
}

.page-hero {
    margin-top: 30px;
}

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

.kv-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 16px;
}

.kv-list .info-card {
    padding: 20px;
}

.image-card {
    padding: 14px;
}

.image-card p {
    padding: 14px 8px 4px;
    color: #5D7280;
}

@media (max-width: 1080px) {
    .desktop-nav a {
        font-size: 14px;
        padding: 9px 7px;
    }
    .header-inner {
        gap: 12px;
    }
}

@media (max-width: 960px) {
    .header-inner {
        grid-template-columns: 56px 1fr auto;
        min-height: 66px;
    }

    .mobile-menu-btn {
        display: inline-flex;
    }

    .desktop-nav {
        display: none;
    }

    .brand-logo {
        justify-self: center;
    }

    .brand-logo img {
        width: 132px;
    }

    .header-btn {
        padding: 0 17px;
        min-height: 38px;
    }

    .hero-card,
    .split,
    .split.reverse,
    .footer-inner {
        grid-template-columns: 1fr;
    }

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

    .banner-slider,
    .banner-track,
    .banner-slide img {
        min-height: 360px;
        height: 360px;
    }

    .banner-copy {
        left: 20px;
        bottom: 46px;
        width: calc(100% - 40px);
    }
}

@media (max-width: 640px) {
    .wrap,
    .banner-slider,
    .compliance-bar {
        width: min(100% - 22px, 1200px);
    }

    .hero-section {
        padding-top: 28px;
    }

    .hero-card,
    .text-block,
    .app-section {
        padding: 20px;
        border-radius: 20px;
    }

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

    section {
        margin: 34px 0;
    }

    .banner-slider,
    .banner-track,
    .banner-slide img {
        min-height: 320px;
        height: 320px;
    }

    .banner-copy {
        padding: 16px;
        bottom: 42px;
    }

    .banner-copy p {
        font-size: 14px;
    }

    .slider-arrow {
        width: 38px;
        height: 38px;
        font-size: 22px;
    }

    .brand-logo img,
    .drawer-logo img {
        width: 116px;
    }

    .header-btn {
        padding: 0 14px;
        min-height: 36px;
    }

    .mobile-menu-btn {
        width: 38px;
        height: 38px;
    }
}