:root {
    --bg: #F3F7FC;
    --nav-bg: #FFFFFF;
    --panel: #FFFFFF;
    --panel-soft: #EEF4FB;
    --panel-light: #E7F0FA;
    --title: #163B66;
    --nav: #32506E;
    --blue: #169BFF;
    --orange: #FF9F1A;
    --text: #243447;
    --muted: #607388;
    --note: #8A9AAF;
    --footer: #163B66;
    --footer-text: #EAF4FF;
    --card: rgba(255,255,255,0.96);
    --border: rgba(22,59,102,0.10);
    --shadow: 0 14px 36px rgba(35,70,110,0.10);
    --btn: linear-gradient(180deg, #31C4FF 0%, #189DFF 100%);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.75;
    padding-top: 86px;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
main { overflow: hidden; }
.container { width: min(1180px, calc(100% - 36px)); margin: 0 auto; }
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: #FFFFFF;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(35,70,110,0.08);
}
.header-inner {
    width: min(1220px, calc(100% - 28px));
    height: 86px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 22px;
}
.text-logo,
.footer-logo {
    font-size: 28px;
    font-weight: 800;
    color: #163B66;
    letter-spacing: 1px;
    white-space: nowrap;
}
.text-logo span,
.footer-logo span { color: #169BFF; }
.footer-logo { color: #EAF4FF; display: inline-block; margin-bottom: 16px; }
.footer-logo span { color: #FF9F1A; }
.nav {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    white-space: nowrap;
}
.nav a {
    position: relative;
    color: #32506E;
    font-size: 15px;
    font-weight: 700;
    padding: 29px 0 27px;
}
.nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 19px;
    height: 3px;
    border-radius: 10px;
    background: transparent;
}
.nav a:hover,
.nav a.active { color: #169BFF; }
.nav a.active::after { background: #169BFF; }
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 24px;
    border-radius: 999px;
    background: linear-gradient(180deg, #31C4FF 0%, #189DFF 100%);
    color: #FFFFFF;
    font-weight: 800;
    box-shadow: 0 10px 22px rgba(22,155,255,0.24);
    border: 0;
}
.main-btn:hover { transform: translateY(-1px); }
.menu-toggle,
.drawer-close { display: none; }
.drawer-mask,
.mobile-drawer { display: none; }
.hero {
    padding: 54px 0 36px;
}
.hero-card {
    background: linear-gradient(135deg, #FFFFFF 0%, #EEF4FB 100%);
    border: 1px solid rgba(22,59,102,0.10);
    box-shadow: var(--shadow);
    border-radius: 32px;
    padding: 46px;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
    gap: 38px;
    align-items: center;
}
.hero h1,
.page-hero h1 {
    color: #163B66;
    font-size: clamp(34px, 5vw, 56px);
    line-height: 1.14;
    margin: 14px 0 22px;
    letter-spacing: -0.5px;
}
.hero p,
.page-hero p {
    color: #607388;
    font-size: 17px;
    margin: 0 0 18px;
}
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #169BFF;
    font-weight: 800;
    background: rgba(22,155,255,0.10);
    border: 1px solid rgba(22,155,255,0.20);
    padding: 7px 14px;
    border-radius: 999px;
}
.eyebrow::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #FF9F1A;
}
.hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 24px; }
.sub-link { color: #169BFF; font-weight: 800; }
.hero-image,
.content-image {
    background: #FFFFFF;
    border: 1px solid rgba(22,59,102,0.10);
    border-radius: 28px;
    padding: 14px;
    box-shadow: 0 12px 30px rgba(35,70,110,0.10);
}
.hero-image img,
.content-image img { border-radius: 22px; width: 100%; height: auto; }
.section { padding: 42px 0; }
.section-soft { background: #EEF4FB; margin: 28px 0; padding: 58px 0; }
.section-light { background: #E7F0FA; margin: 28px 0; padding: 58px 0; }
.section-head { max-width: 780px; margin-bottom: 26px; }
h1, h2, h3, .section-title { color: #163B66; }
.section-title,
.section-head h2 {
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.2;
    margin: 0 0 12px;
}
.section-head p { margin: 0; color: #607388; font-size: 16px; }
.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)); }
.card,
.zone-card,
.info-card,
.review-card,
.faq-card,
.step-card {
    background: rgba(255,255,255,0.96);
    border: 1px solid rgba(22,59,102,0.10);
    box-shadow: 0 14px 36px rgba(35,70,110,0.10);
    border-radius: 24px;
    padding: 24px;
}
.card h3,
.zone-card h3,
.info-card h3,
.review-card h3,
.faq-card h3,
.step-card h3 { margin: 0 0 10px; color: #163B66; font-size: 21px; }
.card p,
.zone-card p,
.info-card p,
.review-card p,
.faq-card p,
.step-card p { margin: 0; color: #607388; }
.text-link { color: #169BFF; font-weight: 800; display: inline-flex; margin-top: 14px; }
.highlight { color: #169BFF; font-weight: 800; }
.tag,
.number-badge {
    color: #FF9F1A;
    font-weight: 900;
}
.tag {
    display: inline-flex;
    background: rgba(255,159,26,0.12);
    border-radius: 999px;
    padding: 6px 12px;
    margin-bottom: 12px;
}
.product-card {
    overflow: hidden;
    padding: 0;
}
.product-card .product-media { padding: 12px 12px 0; }
.product-card .product-media img { border-radius: 18px; width: 100%; height: auto; }
.product-card .product-body { padding: 20px 22px 24px; }
.page-hero { padding: 54px 0 28px; }
.page-hero-card {
    background: linear-gradient(135deg, #FFFFFF 0%, #EEF4FB 100%);
    border: 1px solid rgba(22,59,102,0.10);
    border-radius: 32px;
    box-shadow: var(--shadow);
    padding: 42px;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
    align-items: center;
    gap: 34px;
}
.page-copy { padding: 20px 0 46px; }
.page-copy p { color: #607388; margin: 0 0 16px; }
.lead-card {
    background: #FFFFFF;
    border: 1px solid rgba(22,59,102,0.10);
    border-radius: 28px;
    box-shadow: var(--shadow);
    padding: 34px;
}
.check-list,
.clean-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.check-list li,
.clean-list li {
    position: relative;
    padding-left: 28px;
    color: #607388;
}
.check-list li::before,
.clean-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 12px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #169BFF;
    box-shadow: 0 0 0 4px rgba(22,155,255,0.12);
}
.steps { counter-reset: step; }
.step-card { position: relative; padding-top: 58px; }
.step-card::before {
    counter-increment: step;
    content: counter(step, decimal-leading-zero);
    position: absolute;
    top: 22px;
    left: 24px;
    color: #FF9F1A;
    font-weight: 900;
    font-size: 22px;
}
.review-card { min-height: 170px; }
.review-card p { color: #243447; }
.review-name { margin-top: 14px; color: #8A9AAF; font-weight: 800; }
.notice-band {
    background: #163B66;
    color: #EAF4FF;
    border-radius: 28px;
    padding: 30px;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) auto;
    gap: 22px;
    align-items: center;
}
.notice-band h2 { color: #FFFFFF; margin: 0 0 8px; }
.notice-band p { margin: 0; color: #EAF4FF; }
.faq-list { display: grid; gap: 16px; }
.faq-card h3 { font-size: 19px; }
.service-table {
    width: 100%;
    border-collapse: collapse;
    overflow: hidden;
    border-radius: 22px;
    background: #FFFFFF;
    box-shadow: var(--shadow);
}
.service-table th,
.service-table td {
    text-align: left;
    padding: 18px;
    border-bottom: 1px solid rgba(22,59,102,0.08);
    color: #607388;
}
.service-table th { color: #163B66; background: #EEF4FB; }
.site-footer {
    margin-top: 58px;
    background: #163B66;
    color: #EAF4FF;
    padding: 56px 0 26px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
    gap: 30px;
}
.footer-brand p,
.footer-action p,
.footer-notice p { color: #EAF4FF; opacity: 0.92; margin: 0; }
.footer-links h3,
.footer-action h3 { color: #FFFFFF; margin: 0 0 14px; }
.footer-links a { display: block; color: #EAF4FF; opacity: 0.92; margin: 9px 0; }
.footer-notice {
    margin-top: 34px;
    border-top: 1px solid rgba(234,244,255,0.20);
    padding-top: 22px;
}
@media (max-width: 1080px) {
    body { padding-top: 74px; }
    .header-inner { height: 74px; justify-content: space-between; }
    .nav { display: none; }
    .menu-toggle {
        display: inline-flex;
        width: 42px;
        height: 42px;
        border: 0;
        background: #EEF4FB;
        border-radius: 12px;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        gap: 5px;
    }
    .menu-toggle span { display: block; width: 20px; height: 2px; background: #163B66; border-radius: 4px; }
    .header-btn { min-width: 76px; padding: 0 18px; }
    .drawer-mask {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(22,59,102,0.36);
        opacity: 0;
        pointer-events: none;
        transition: opacity .22s ease;
        z-index: 1001;
    }
    .mobile-drawer {
        display: block;
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: min(86vw, 340px);
        background: #FFFFFF;
        box-shadow: 18px 0 40px rgba(35,70,110,0.18);
        transform: translateX(-102%);
        transition: transform .25s ease;
        z-index: 1002;
        padding: 22px;
        overflow-y: auto;
    }
    .drawer-open .drawer-mask { opacity: 1; pointer-events: auto; }
    .drawer-open .mobile-drawer { transform: translateX(0); }
    .drawer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
    .drawer-close {
        display: inline-flex;
        width: 38px;
        height: 38px;
        border: 0;
        background: #EEF4FB;
        color: #163B66;
        border-radius: 12px;
        font-size: 26px;
        line-height: 1;
        align-items: center;
        justify-content: center;
    }
    .drawer-nav { display: grid; gap: 8px; }
    .drawer-nav a {
        color: #32506E;
        font-weight: 800;
        padding: 12px 14px;
        border-radius: 14px;
        background: #F3F7FC;
    }
    .drawer-nav a.active { color: #169BFF; background: #E7F0FA; }
    .drawer-btn { width: 100%; margin-top: 18px; }
    .hero-card,
    .page-hero-card { grid-template-columns: 1fr; padding: 32px; }
    .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .notice-band { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
    .container { width: min(100% - 26px, 1180px); }
    .text-logo { font-size: 24px; }
    .hero { padding-top: 30px; }
    .hero-card,
    .page-hero-card { padding: 24px; border-radius: 24px; }
    .hero h1,
    .page-hero h1 { font-size: 34px; }
    .hero p,
    .page-hero p { font-size: 15px; }
    .grid-2,
    .grid-3,
    .grid-4 { grid-template-columns: 1fr; }
    .section,
    .section-soft,
    .section-light { padding: 36px 0; margin: 14px 0; }
    .lead-card { padding: 24px; }
    .footer-grid { grid-template-columns: 1fr; }
    .service-table { display: block; overflow-x: auto; }
}