:root {
    --page-bg: #F3F7FC;
    --nav-bg: #FFFFFF;
    --deep-blue: #163B66;
    --nav-text: #32506E;
    --bright-blue: #169BFF;
    --btn-start: #31C4FF;
    --btn-end: #189DFF;
    --orange: #FF9F1A;
    --text: #243447;
    --muted: #607388;
    --hint: #8A9AAF;
    --soft-1: #FFFFFF;
    --soft-2: #EEF4FB;
    --soft-3: #E7F0FA;
    --card-bg: rgba(255,255,255,0.96);
    --card-border: rgba(22,59,102,0.10);
    --shadow: 0 14px 36px rgba(35,70,110,0.10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    background: var(--page-bg);
    color: var(--text);
    line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.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% - 32px));
    margin: 0 auto;
    min-height: 76px;
    display: flex;
    align-items: center;
    gap: 20px;
}
.text-logo {
    flex: 0 0 auto;
    font-size: 28px;
    font-weight: 800;
    color: #163B66;
    letter-spacing: 1px;
    line-height: 1;
    white-space: nowrap;
}
.text-logo span { color: #169BFF; }
.nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    flex: 1 1 auto;
    overflow-x: auto;
    scrollbar-width: none;
}
.nav::-webkit-scrollbar { display: none; }
.nav a {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 76px;
    padding: 0 9px;
    color: #32506E;
    font-size: 14px;
    font-weight: 650;
    white-space: nowrap;
}
.nav a.active,
.nav a:hover,
.highlight,
.text-link { color: #169BFF; }
.nav a.active::after {
    content: "";
    position: absolute;
    left: 10px;
    right: 10px;
    bottom: 16px;
    height: 3px;
    border-radius: 999px;
    background: #169BFF;
}
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 22px;
    border-radius: 999px;
    border: 0;
    background: linear-gradient(180deg, #31C4FF 0%, #189DFF 100%);
    color: #FFFFFF;
    font-weight: 750;
    box-shadow: 0 12px 22px rgba(24,157,255,0.24);
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 26px rgba(24,157,255,0.30); }
.header-btn { flex: 0 0 auto; }
.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(22,59,102,0.12);
    border-radius: 14px;
    background: #FFFFFF;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}
.menu-toggle span {
    width: 20px;
    height: 2px;
    border-radius: 999px;
    background: #163B66;
}
.site-main { padding-top: 76px; }
.section,
.hero-section,
.page-hero { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.hero-section {
    padding: 54px 0 34px;
    display: grid;
    grid-template-columns: minmax(0, 1.04fr) minmax(300px, .86fr);
    gap: 34px;
    align-items: center;
}
.hero-copy,
.page-hero-card,
.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.notice-panel {
    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: 26px;
}
.hero-copy { padding: 42px; }
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #169BFF;
    background: #EEF4FB;
    border: 1px solid rgba(22,59,102,0.08);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 750;
    margin-bottom: 16px;
}
.eyebrow::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #FF9F1A;
}
h1, h2, h3, .section-title { color: #163B66; line-height: 1.25; }
h1 { font-size: clamp(34px, 5vw, 58px); margin: 0 0 18px; letter-spacing: -1px; }
h2, .section-title { font-size: clamp(26px, 3.4vw, 38px); margin: 0 0 14px; }
h3 { font-size: 20px; margin: 0 0 10px; }
p { margin: 0 0 14px; }
.lead { color: #243447; font-size: 17px; }
.muted { color: #607388; }
.hint { color: #8A9AAF; font-size: 14px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; align-items: center; }
.ghost-link { color: #169BFF; font-weight: 750; }
.hero-image,
.image-frame {
    border-radius: 28px;
    background: #E7F0FA;
    border: 1px solid rgba(22,59,102,0.10);
    box-shadow: 0 18px 42px rgba(35,70,110,0.12);
    overflow: hidden;
    padding: 10px;
}
.hero-image img,
.image-frame img { width: 100%; height: auto; border-radius: 20px; object-fit: contain; background: #EEF4FB; }
.section { padding: 34px 0; }
.section-head { max-width: 760px; margin-bottom: 22px; }
.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 { padding: 24px; }
.card:hover,
.zone-card:hover,
.info-card:hover { transform: translateY(-3px); }
.card,
.zone-card,
.info-card { transition: transform .2s ease; }
.card p,
.zone-card p,
.info-card p,
.review-card p,
.faq-item p { color: #607388; }
.tag,
.number-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #FF9F1A;
    background: rgba(255,159,26,0.10);
    border: 1px solid rgba(255,159,26,0.20);
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 13px;
    font-weight: 750;
    margin-bottom: 12px;
}
.number-badge { width: 34px; height: 34px; padding: 0; border-radius: 12px; }
.text-link { font-weight: 750; display: inline-flex; margin-top: 6px; }
.split {
    display: grid;
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: 26px;
    align-items: center;
}
.notice-panel {
    padding: 28px;
    background: linear-gradient(180deg, #FFFFFF 0%, #EEF4FB 100%);
}
.notice-list { display: grid; gap: 12px; padding: 0; margin: 18px 0 0; list-style: none; }
.notice-list li {
    position: relative;
    padding-left: 24px;
    color: #607388;
}
.notice-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 12px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #169BFF;
    box-shadow: 0 0 0 4px rgba(22,155,255,0.10);
}
.steps { counter-reset: step; }
.step-card { position: relative; padding-left: 72px; min-height: 122px; }
.step-card::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    left: 24px;
    top: 26px;
    width: 34px;
    height: 34px;
    border-radius: 12px;
    background: rgba(255,159,26,0.12);
    color: #FF9F1A;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}
.review-card strong { display: block; color: #163B66; margin-bottom: 8px; }
.faq-list { display: grid; gap: 16px; }
.faq-item h3 { font-size: 18px; }
.page-hero {
    padding: 54px 0 24px;
}
.page-hero-card {
    padding: 38px;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr);
    gap: 30px;
    align-items: center;
}
.breadcrumb { color: #8A9AAF; font-size: 14px; margin-bottom: 12px; }
.breadcrumb a { color: #169BFF; font-weight: 700; }
.detail-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; margin-top: 18px; }
.detail-list div {
    background: #EEF4FB;
    border-radius: 18px;
    padding: 16px;
    border: 1px solid rgba(22,59,102,0.08);
}
.detail-list strong { display: block; color: #163B66; margin-bottom: 4px; }
.cta-band {
    width: min(1180px, calc(100% - 32px));
    margin: 34px auto;
    padding: 28px;
    border-radius: 28px;
    background: linear-gradient(135deg, #163B66 0%, #1E5D94 100%);
    color: #EAF4FF;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    box-shadow: 0 18px 40px rgba(22,59,102,0.18);
}
.cta-band h2 { color: #FFFFFF; font-size: 28px; }
.cta-band p { color: #EAF4FF; max-width: 720px; }
.site-footer {
    margin-top: 44px;
    background: #163B66;
    color: #EAF4FF;
}
.footer-inner {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 48px 0 30px;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.4fr);
    gap: 34px;
}
.footer-logo { color: #FFFFFF; display: inline-flex; margin-bottom: 16px; }
.footer-brand p { color: #D7EAFE; max-width: 520px; }
.footer-links { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 22px; }
.footer-links h3 { color: #FFFFFF; font-size: 17px; margin-bottom: 12px; }
.footer-links a { display: block; color: #EAF4FF; margin: 8px 0; opacity: .9; }
.footer-links a:hover { color: #31C4FF; }
.footer-bottom {
    border-top: 1px solid rgba(234,244,255,0.16);
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 18px 0 24px;
    color: #D7EAFE;
    font-size: 14px;
}
.drawer-mask {
    position: fixed;
    inset: 0;
    background: rgba(10,31,54,.38);
    z-index: 1100;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease;
}
.drawer-mask.show { opacity: 1; pointer-events: auto; }
.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: min(320px, 86vw);
    height: 100vh;
    background: #FFFFFF;
    z-index: 1200;
    transform: translateX(-105%);
    transition: transform .24s ease;
    padding: 22px;
    box-shadow: 18px 0 42px rgba(22,59,102,0.18);
    display: flex;
    flex-direction: column;
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.drawer-close {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    border: 1px solid rgba(22,59,102,0.12);
    background: #EEF4FB;
    color: #163B66;
    font-size: 24px;
}
.drawer-nav { display: grid; gap: 8px; overflow-y: auto; padding-right: 4px; }
.drawer-nav a {
    color: #32506E;
    padding: 12px 14px;
    border-radius: 14px;
    font-weight: 700;
    background: #F3F7FC;
}
.drawer-nav a.active { color: #169BFF; background: #E7F0FA; }
.drawer-note {
    margin-top: auto;
    color: #607388;
    background: #EEF4FB;
    border-radius: 18px;
    padding: 14px;
    font-size: 13px;
}
.drawer-open { overflow: hidden; }
@media (max-width: 1080px) {
    .desktop-nav { display: none; }
    .menu-toggle { display: flex; }
    .header-inner { justify-content: space-between; min-height: 68px; }
    .site-main { padding-top: 68px; }
    .text-logo { font-size: 26px; }
    .hero-section,
    .page-hero-card,
    .split,
    .footer-inner { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
    .header-inner { width: calc(100% - 24px); gap: 10px; }
    .header-btn { min-height: 38px; padding: 0 14px; font-size: 14px; }
    .hero-section { padding-top: 34px; }
    .hero-copy,
    .page-hero-card,
    .card,
    .zone-card,
    .info-card,
    .review-card,
    .faq-item,
    .notice-panel { border-radius: 20px; padding: 20px; }
    .grid-2,
    .grid-3,
    .grid-4,
    .detail-list,
    .footer-links { grid-template-columns: 1fr; }
    .cta-band { flex-direction: column; align-items: flex-start; }
    .section { padding: 24px 0; }
    h1 { font-size: 34px; }
}