* {
    box-sizing: border-box;
}
:root {
    --bg: #F3F7FC;
    --white: #FFFFFF;
    --soft: #EEF4FB;
    --soft-deep: #E7F0FA;
    --title: #163B66;
    --nav: #32506E;
    --blue: #169BFF;
    --orange: #FF9F1A;
    --text: #243447;
    --muted: #607388;
    --light: #8A9AAF;
    --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%);
    --footer: #163B66;
    --footer-text: #EAF4FF;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.75;
}
a {
    color: inherit;
    text-decoration: none;
}
img {
    display: block;
    max-width: 100%;
    height: auto;
}
.container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #FFFFFF;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(35,70,110,0.08);
}
.header-inner {
    width: min(1240px, calc(100% - 28px));
    height: 78px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 18px;
}
.text-logo {
    font-size: 28px;
    font-weight: 800;
    color: #163B66;
    letter-spacing: 1px;
    white-space: nowrap;
}
.text-logo span {
    color: #169BFF;
}
.nav {
    display: flex;
    align-items: center;
    gap: 2px;
}
.nav a {
    position: relative;
    padding: 12px 10px;
    color: #32506E;
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
    transition: color .2s ease;
}
.nav a:hover,
.nav a.active,
.highlight,
.text-link {
    color: #169BFF;
}
.nav a.active::after {
    content: "";
    position: absolute;
    left: 10px;
    right: 10px;
    bottom: 6px;
    height: 3px;
    border-radius: 999px;
    background: #169BFF;
}
.desktop-nav {
    flex: 1;
    overflow-x: auto;
    scrollbar-width: none;
}
.desktop-nav::-webkit-scrollbar {
    display: none;
}
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 999px;
    background: var(--btn);
    color: #FFFFFF;
    font-weight: 800;
    letter-spacing: .5px;
    padding: 12px 24px;
    box-shadow: 0 12px 26px rgba(22,155,255,0.28);
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 30px rgba(22,155,255,0.34);
}
.header-btn {
    padding: 10px 22px;
    flex: 0 0 auto;
}
.menu-toggle,
.drawer-close {
    display: none;
    border: none;
    background: transparent;
    color: var(--title);
    cursor: pointer;
}
.menu-toggle {
    width: 42px;
    height: 42px;
    padding: 8px;
}
.menu-toggle span {
    display: block;
    height: 3px;
    margin: 5px 0;
    border-radius: 6px;
    background: #163B66;
}
.site-main {
    padding-top: 78px;
}
.hero {
    position: relative;
    overflow: hidden;
    padding: 76px 0 44px;
}
.hero::before {
    content: "";
    position: absolute;
    width: 520px;
    height: 520px;
    top: -220px;
    right: -160px;
    background: radial-gradient(circle, rgba(22,155,255,.20), transparent 64%);
    pointer-events: none;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    align-items: center;
    gap: 34px;
}
.eyebrow,
.tag,
.number-badge {
    color: #FF9F1A;
    font-weight: 800;
}
.eyebrow {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(255,159,26,0.12);
    margin-bottom: 16px;
}
h1,
h2,
h3,
.section-title {
    color: #163B66;
    line-height: 1.28;
    margin: 0;
}
h1 {
    font-size: clamp(34px, 5vw, 58px);
    letter-spacing: .5px;
    margin-bottom: 18px;
}
h2,
.section-title {
    font-size: clamp(26px, 3vw, 38px);
    margin-bottom: 12px;
}
h3 {
    font-size: 21px;
    margin-bottom: 10px;
}
p {
    margin: 0 0 14px;
}
.lead {
    color: var(--muted);
    font-size: 18px;
    max-width: 760px;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
    margin-top: 26px;
}
.ghost-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #169BFF;
    font-weight: 800;
}
.hero-media,
.image-card {
    background: #FFFFFF;
    border: 1px solid var(--border);
    border-radius: 28px;
    box-shadow: var(--shadow);
    padding: 12px;
}
.hero-media img,
.image-card img {
    width: 100%;
    border-radius: 20px;
    object-fit: contain;
    background: #EEF4FB;
}
.section {
    padding: 48px 0;
}
.section-head {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: end;
    margin-bottom: 24px;
}
.section-head p {
    color: var(--muted);
    max-width: 720px;
}
.card,
.zone-card,
.info-card,
.review-card,
.faq-card,
.notice-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;
}
.card,
.zone-card,
.info-card,
.review-card,
.faq-card,
.notice-card {
    padding: 24px;
}
.grid-2,
.grid-3,
.grid-4 {
    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));
}
.zone-card {
    display: flex;
    flex-direction: column;
    min-height: 100%;
}
.zone-card p,
.info-card p,
.review-card p,
.faq-card p {
    color: var(--muted);
}
.zone-card .text-link {
    margin-top: auto;
    font-weight: 800;
}
.icon-dot {
    width: 42px;
    height: 42px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    background: #E7F0FA;
    color: #169BFF;
    font-weight: 900;
}
.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: center;
}
.soft-panel {
    background: #EEF4FB;
    border-radius: 28px;
    padding: 30px;
    border: 1px solid rgba(22,59,102,0.08);
}
.list-check {
    list-style: none;
    padding: 0;
    margin: 16px 0 0;
    display: grid;
    gap: 12px;
}
.list-check li {
    position: relative;
    padding-left: 30px;
    color: var(--muted);
}
.list-check li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    width: 21px;
    height: 21px;
    border-radius: 50%;
    background: #E7F0FA;
    color: #169BFF;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 900;
}
.kpi-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 22px;
}
.kpi {
    border-radius: 20px;
    background: #FFFFFF;
    padding: 18px;
    border: 1px solid var(--border);
}
.kpi strong {
    display: block;
    color: #163B66;
    font-size: 28px;
    line-height: 1;
    margin-bottom: 6px;
}
.kpi span {
    color: var(--light);
    font-size: 14px;
}
.review-card {
    position: relative;
}
.review-card::before {
    content: "“";
    position: absolute;
    top: 8px;
    right: 22px;
    color: rgba(22,155,255,.18);
    font-size: 70px;
    line-height: 1;
    font-family: Georgia, serif;
}
.review-name {
    color: #163B66;
    font-weight: 800;
    margin-top: 12px;
}
.faq-card {
    box-shadow: none;
}
.faq-card + .faq-card {
    margin-top: 14px;
}
.faq-card h3 {
    color: #169BFF;
}
.notice-card {
    background: #E7F0FA;
}
.notice-card p {
    color: #607388;
}
.breadcrumb {
    color: #8A9AAF;
    margin-bottom: 12px;
    font-size: 14px;
}
.breadcrumb a {
    color: #169BFF;
    font-weight: 700;
}
.page-hero {
    padding: 66px 0 30px;
}
.page-hero-grid {
    display: grid;
    grid-template-columns: 1.04fr .96fr;
    gap: 30px;
    align-items: center;
}
.page-hero .lead {
    margin-top: 12px;
}
.mini-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 22px;
}
.mini-card {
    padding: 18px;
    border-radius: 20px;
    background: #FFFFFF;
    border: 1px solid var(--border);
}
.mini-card strong {
    display: block;
    color: #163B66;
    margin-bottom: 4px;
}
.mini-card span {
    color: var(--muted);
    font-size: 14px;
}
.contact-box {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}
.contact-item {
    padding: 22px;
    border-radius: 22px;
    background: #FFFFFF;
    border: 1px solid var(--border);
}
.contact-item strong {
    color: #163B66;
}
.site-footer {
    margin-top: 60px;
    background: #163B66;
    color: #EAF4FF;
    padding: 48px 0 28px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, .8fr);
    gap: 26px;
}
.footer-logo,
.footer-logo span {
    color: #EAF4FF;
}
.footer-brand p,
.footer-notice p {
    color: rgba(234,244,255,.78);
}
.footer-col h3 {
    color: #FFFFFF;
    margin-bottom: 14px;
}
.footer-col a {
    display: block;
    color: rgba(234,244,255,.78);
    margin: 8px 0;
}
.footer-col a:hover {
    color: #FFFFFF;
}
.footer-notice {
    border-top: 1px solid rgba(255,255,255,.16);
    margin-top: 26px;
    padding-top: 22px;
}
.drawer-mask,
.mobile-drawer {
    display: none;
}
.drawer-open {
    overflow: hidden;
}
@media (max-width: 1080px) {
    .header-inner {
        height: 70px;
    }
    .site-main {
        padding-top: 70px;
    }
    .desktop-nav {
        display: none;
    }
    .menu-toggle {
        display: block;
    }
    .header-inner {
        justify-content: space-between;
    }
    .text-logo {
        font-size: 26px;
    }
    .drawer-mask {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(22,59,102,.35);
        z-index: 1001;
        opacity: 0;
        pointer-events: none;
        transition: opacity .2s ease;
    }
    .drawer-mask.show {
        opacity: 1;
        pointer-events: auto;
    }
    .mobile-drawer {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: min(84vw, 360px);
        background: #FFFFFF;
        z-index: 1002;
        transform: translateX(-102%);
        transition: transform .25s ease;
        box-shadow: 20px 0 44px rgba(22,59,102,.18);
        padding: 18px;
        overflow-y: auto;
    }
    .mobile-drawer.open {
        transform: translateX(0);
    }
    .drawer-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 14px;
    }
    .drawer-close {
        display: inline-flex;
        font-size: 34px;
        line-height: 1;
        width: 44px;
        height: 44px;
        align-items: center;
        justify-content: center;
    }
    .drawer-nav {
        display: grid;
        gap: 4px;
        align-items: stretch;
    }
    .drawer-nav a {
        padding: 13px 12px;
        border-radius: 14px;
    }
    .drawer-nav a.active {
        background: #EEF4FB;
    }
    .drawer-nav a.active::after {
        display: none;
    }
    .drawer-btn {
        width: 100%;
        margin-top: 16px;
    }
    .hero-grid,
    .page-hero-grid,
    .feature-row,
    .grid-4 {
        grid-template-columns: 1fr 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 760px) {
    .container {
        width: min(100% - 24px, 1180px);
    }
    .header-inner {
        width: calc(100% - 20px);
        gap: 8px;
    }
    .header-btn {
        padding: 9px 15px;
        font-size: 14px;
    }
    .hero {
        padding: 46px 0 28px;
    }
    .hero-grid,
    .page-hero-grid,
    .feature-row,
    .grid-2,
    .grid-3,
    .grid-4,
    .kpi-row,
    .mini-cards,
    .contact-box,
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .section {
        padding: 34px 0;
    }
    .section-head {
        display: block;
    }
    .card,
    .zone-card,
    .info-card,
    .review-card,
    .faq-card,
    .notice-card,
    .soft-panel {
        border-radius: 20px;
        padding: 20px;
    }
    h1 {
        font-size: 34px;
    }
    h2,
    .section-title {
        font-size: 26px;
    }
    .lead {
        font-size: 16px;
    }
    .hero-actions {
        align-items: stretch;
    }
    .hero-actions .main-btn,
    .hero-actions .ghost-link {
        width: 100%;
        justify-content: center;
    }
}
@media (max-width: 420px) {
    .text-logo {
        font-size: 23px;
    }
    .menu-toggle {
        width: 38px;
        height: 38px;
    }
    .header-btn {
        padding: 8px 12px;
    }
}