* {
    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: #F3F7FC;
    color: #243447;
    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 {
    max-width: 1220px;
    margin: 0 auto;
    padding: 12px 20px;
    min-height: 76px;
    display: flex;
    align-items: center;
    gap: 18px;
}

.text-logo {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    font-size: 28px;
    font-weight: 800;
    color: #163B66;
    letter-spacing: 1px;
    line-height: 1;
}

.text-logo span {
    color: #169BFF;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    gap: 2px;
    overflow-x: auto;
    scrollbar-width: none;
}

.nav::-webkit-scrollbar {
    display: none;
}

.nav a {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0 10px;
    white-space: nowrap;
    color: #32506E;
    font-size: 14px;
    font-weight: 700;
}

.nav a::after {
    content: "";
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 2px;
    height: 3px;
    border-radius: 999px;
    background: transparent;
}

.nav a.active,
.nav a:hover,
.drawer-nav a.active,
.drawer-nav a:hover,
.highlight,
.text-link {
    color: #169BFF;
}

.nav a.active::after,
.nav a:hover::after {
    background: #169BFF;
}

.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 22px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(180deg, #31C4FF 0%, #189DFF 100%);
    color: #FFFFFF;
    font-weight: 800;
    box-shadow: 0 12px 24px rgba(24,157,255,0.25);
    cursor: pointer;
}

.main-btn:hover {
    transform: translateY(-1px);
}

.header-btn {
    flex-shrink: 0;
}

.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 12px;
    background: #EEF4FB;
    padding: 10px;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    height: 2px;
    margin: 5px 0;
    background: #163B66;
    border-radius: 4px;
}

.site-main {
    padding-top: 76px;
}

.container {
    max-width: 1220px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 64px 0;
}

.section.compact {
    padding: 42px 0;
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 78px 0 62px;
    background:
        radial-gradient(circle at top right, rgba(49,196,255,0.18), transparent 34%),
        linear-gradient(180deg, #F3F7FC 0%, #EEF4FB 100%);
}

.hero-grid,
.split-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 34px;
    align-items: center;
}

.hero-text,
.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-text {
    padding: 42px;
}

.eyebrow,
.tag,
.number-badge {
    color: #FF9F1A;
    font-weight: 800;
    letter-spacing: 0.5px;
}

.eyebrow {
    display: inline-flex;
    margin-bottom: 12px;
    font-size: 14px;
}

h1,
h2,
h3,
.section-title {
    color: #163B66;
    line-height: 1.25;
    margin-top: 0;
}

h1 {
    font-size: clamp(34px, 5vw, 58px);
    margin-bottom: 18px;
}

h2,
.section-title {
    font-size: clamp(26px, 3vw, 38px);
    margin-bottom: 14px;
}

h3 {
    font-size: 21px;
    margin-bottom: 10px;
}

p {
    margin: 0 0 14px;
}

.lead {
    color: #607388;
    font-size: 18px;
}

.muted {
    color: #8A9AAF;
}

.hero-actions,
.section-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.ghost-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 20px;
    border-radius: 999px;
    border: 1px solid rgba(22,59,102,0.14);
    background: #FFFFFF;
    color: #163B66;
    font-weight: 800;
}

.hero-media,
.image-panel {
    overflow: hidden;
    border-radius: 28px;
    background: #E7F0FA;
    box-shadow: 0 14px 36px rgba(35,70,110,0.10);
}

.hero-media img,
.image-panel img,
.card-image img {
    width: 100%;
    height: auto;
}

.section-head {
    max-width: 760px;
    margin-bottom: 28px;
}

.grid-2,
.grid-3,
.grid-4,
.grid-6 {
    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)); }
.grid-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.notice-panel {
    padding: 26px;
}

.card-image {
    overflow: hidden;
    border-radius: 20px;
    margin-bottom: 18px;
    background: #E7F0FA;
}

.text-link {
    display: inline-flex;
    margin-top: 10px;
    font-weight: 800;
}

.text-link::after {
    content: " →";
}

.kicker-list,
.clean-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 12px;
}

.kicker-list li,
.clean-list li {
    position: relative;
    padding-left: 28px;
    color: #243447;
}

.kicker-list li::before,
.clean-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 12px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #169BFF;
    box-shadow: 0 0 0 5px rgba(22,155,255,0.12);
}

.number-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    margin-bottom: 14px;
    border-radius: 50%;
    background: rgba(255,159,26,0.12);
}

.review-card p {
    color: #607388;
}

.review-name {
    display: block;
    margin-top: 14px;
    color: #163B66;
    font-weight: 800;
}

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

.faq-item h3 {
    margin-bottom: 8px;
}

.notice-panel {
    background: #E7F0FA;
}

.band {
    background: #EEF4FB;
}

.cta-strip {
    padding: 34px;
    border-radius: 28px;
    background: linear-gradient(135deg, #163B66 0%, #1A568C 100%);
    color: #EAF4FF;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 20px;
    align-items: center;
}

.cta-strip h2,
.cta-strip p {
    color: #EAF4FF;
}

.page-hero {
    padding: 70px 0 42px;
    background: linear-gradient(180deg, #EEF4FB 0%, #F3F7FC 100%);
}

.page-hero .hero-text {
    padding: 36px;
}

.breadcrumb {
    color: #8A9AAF;
    font-size: 14px;
    margin-bottom: 12px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 22px;
}

.stat-item {
    padding: 18px;
    border-radius: 18px;
    background: #EEF4FB;
}

.stat-item strong {
    display: block;
    color: #169BFF;
    font-size: 24px;
    line-height: 1;
}

.site-footer {
    background: #163B66;
    color: #EAF4FF;
}

.footer-inner {
    max-width: 1220px;
    margin: 0 auto;
    padding: 56px 20px 34px;
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.8fr 1.2fr;
    gap: 30px;
}

.footer-logo {
    color: #FFFFFF;
    margin-bottom: 16px;
}

.footer-brand p,
.footer-reminder p,
.footer-bottom p {
    color: #EAF4FF;
    opacity: 0.86;
}

.footer-links {
    display: grid;
    gap: 8px;
    align-content: start;
}

.footer-links h3,
.footer-reminder h3 {
    color: #FFFFFF;
    margin-bottom: 10px;
}

.footer-links a {
    color: #EAF4FF;
    opacity: 0.9;
}

.footer-links a:hover {
    color: #31C4FF;
}

.footer-bottom {
    border-top: 1px solid rgba(234,244,255,0.14);
    max-width: 1220px;
    margin: 0 auto;
    padding: 18px 20px 26px;
}

.drawer-mask,
.mobile-drawer {
    display: none;
}

@media (max-width: 1080px) {
    .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-6 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
    .desktop-nav { display: none; }
    .menu-toggle { display: block; }
    .header-inner { justify-content: space-between; min-height: 68px; }
    .text-logo { font-size: 25px; }
    .site-main { padding-top: 68px; }
    .hero-grid,
    .split-grid,
    .cta-strip {
        grid-template-columns: 1fr;
    }
    .hero { padding-top: 48px; }
    .hero-text { padding: 30px; }
    .grid-2,
    .grid-3,
    .grid-4,
    .grid-6 { grid-template-columns: 1fr; }
    .stats { grid-template-columns: 1fr; }
    .drawer-mask {
        position: fixed;
        inset: 0;
        z-index: 1100;
        background: rgba(22,59,102,0.34);
        opacity: 0;
        pointer-events: none;
        display: block;
        transition: opacity 0.2s ease;
    }
    .mobile-drawer {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        z-index: 1110;
        width: min(86vw, 340px);
        display: flex;
        flex-direction: column;
        padding: 20px;
        background: #FFFFFF;
        box-shadow: 16px 0 36px rgba(35,70,110,0.18);
        transform: translateX(-102%);
        transition: transform 0.24s ease;
    }
    .drawer-open .drawer-mask {
        opacity: 1;
        pointer-events: auto;
    }
    .drawer-open .mobile-drawer {
        transform: translateX(0);
    }
    .drawer-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 18px;
    }
    .drawer-close {
        border: 0;
        background: #EEF4FB;
        color: #163B66;
        font-size: 26px;
        width: 42px;
        height: 42px;
        border-radius: 12px;
        cursor: pointer;
    }
    .drawer-nav {
        display: grid;
        gap: 4px;
        overflow-y: auto;
        padding-right: 4px;
    }
    .drawer-nav a {
        padding: 13px 14px;
        border-radius: 14px;
        color: #32506E;
        font-weight: 800;
        background: #F3F7FC;
    }
    .drawer-nav a.active {
        background: #E7F0FA;
    }
    .drawer-btn {
        margin: 18px 0 14px;
    }
    .drawer-note {
        color: #8A9AAF;
        font-size: 13px;
    }
}

@media (max-width: 560px) {
    .container { padding: 0 16px; }
    .section { padding: 46px 0; }
    .hero-text,
    .card,
    .zone-card,
    .info-card,
    .review-card,
    .faq-item,
    .notice-panel,
    .cta-strip { padding: 22px; border-radius: 22px; }
    .header-btn { min-height: 40px; padding: 0 16px; }
    h1 { font-size: 32px; }
    .lead { font-size: 16px; }
    .footer-inner { grid-template-columns: 1fr; }
}