* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
    background: #F0F3FA;
    color: #1D2B36;
    line-height: 1.7;
}
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);
}
.desktop-bar,
.mobile-bar {
    max-width: 1220px;
    margin: 0 auto;
    min-height: 74px;
    padding: 0 18px;
    display: flex;
    align-items: center;
}
.desktop-bar {
    gap: 20px;
}
.brand-logo img,
.footer-logo img,
.drawer-logo img,
.mobile-logo img {
    width: 132px;
    max-height: 46px;
    object-fit: contain;
}
.desktop-nav {
    flex: 1;
    display: flex;
    justify-content: center;
    gap: 4px;
    white-space: nowrap;
}
.desktop-nav a,
.drawer-nav a {
    color: #167BB8;
    font-weight: 700;
    border-radius: 12px;
    transition: 0.2s ease;
}
.desktop-nav a {
    padding: 10px 9px;
    font-size: 14px;
}
.desktop-nav a.active,
.desktop-nav a:hover,
.drawer-nav a.active,
.drawer-nav a:hover {
    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: 10px 22px;
    border-radius: 999px;
    background: linear-gradient(180deg, #52C8FF 0%, #27A9E8 55%, #168BD0 100%);
    color: #FFFFFF;
    font-weight: 800;
    box-shadow: 0 10px 24px rgba(39,169,232,0.28);
    border: 0;
    transition: 0.2s ease;
}
.main-btn:hover {
    background: linear-gradient(180deg, #63D2FF 0%, #1597D8 100%);
    transform: translateY(-1px);
}
.header-btn {
    flex: 0 0 auto;
}
.mobile-bar {
    display: none;
    justify-content: space-between;
}
.menu-toggle {
    width: 42px;
    height: 42px;
    border: 1px solid rgba(39,169,232,0.24);
    background: #FFFFFF;
    border-radius: 12px;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}
.menu-toggle span {
    width: 19px;
    height: 2px;
    background: #167BB8;
    border-radius: 2px;
}
.mobile-register {
    min-height: 38px;
    padding: 8px 16px;
}
.drawer-mask {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.42);
    z-index: 9998;
}
.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 84vw;
    max-width: 320px;
    height: 100vh;
    background: #F5FDFF;
    z-index: 9999;
    transform: translateX(-102%);
    transition: transform 0.26s ease;
    box-shadow: 16px 0 36px rgba(6,59,92,0.22);
    overflow-y: auto;
}
.mobile-drawer.open {
    transform: translateX(0);
}
.drawer-open {
    overflow: hidden;
}
.drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px;
    border-bottom: 1px solid rgba(39,169,232,0.16);
}
.drawer-close {
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 50%;
    background: #EAFBFF;
    color: #167BB8;
    font-size: 28px;
    line-height: 1;
}
.drawer-nav {
    display: grid;
    gap: 8px;
    padding: 14px;
}
.drawer-nav a {
    padding: 13px 14px;
    background: #FFFFFF;
    border: 1px solid rgba(39,169,232,0.14);
}
.site-main {
    padding: 22px 16px 0;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
}
.hero-section,
.page-hero,
.section-panel {
    max-width: 1200px;
    margin: 28px auto 36px;
    border-radius: 20px;
    background: rgba(255,255,255,0.88);
    box-shadow: 0 18px 40px rgba(16,126,180,0.14);
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(39,169,232,0.18);
}
.hero-grid,
.page-hero-grid,
.split-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
    gap: 34px;
    align-items: center;
    padding: 42px;
}
.hero-eyebrow,
.section-kicker,
.tag,
.number-badge {
    color: #27A9E8;
    font-weight: 800;
}
h1,
h2,
h3,
.section-title {
    color: #27A9E8;
    line-height: 1.25;
    margin: 0 0 14px;
}
h1 {
    font-size: clamp(32px, 4vw, 54px);
}
h2,
.section-title {
    font-size: clamp(24px, 2.8vw, 36px);
}
h3 {
    font-size: 20px;
}
p {
    margin: 0 0 14px;
}
.lead {
    font-size: 18px;
    color: #5D7280;
}
.muted {
    color: #8194A0;
}
.text-link {
    color: #27A9E8;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.text-link::after {
    content: "›";
    font-size: 20px;
    line-height: 1;
}
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 22px 0;
}
.tag {
    background: #EAFBFF;
    border: 1px solid rgba(39,169,232,0.22);
    border-radius: 999px;
    padding: 7px 12px;
}
.visual-card,
.image-frame {
    background: linear-gradient(180deg, #F5FDFF 0%, #C8F0FF 100%);
    border: 1px solid rgba(39,169,232,0.18);
    border-radius: 18px;
    padding: 18px;
    box-shadow: 0 14px 36px rgba(16,126,180,0.12);
}
.visual-card img,
.image-frame img,
.content-img,
.zone-card img,
.app-section img,
.hero-section img {
    width: 100%;
    height: auto;
    max-height: 360px;
    object-fit: contain;
    margin: 0 auto;
}
.section-block {
    max-width: 1200px;
    margin: 0 auto 34px;
}
.section-head {
    max-width: 820px;
    margin-bottom: 22px;
}
.section-head.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}
.card-grid,
.quick-grid,
.feature-grid,
.review-grid,
.faq-grid,
.footer-inner {
    display: grid;
    gap: 18px;
}
.quick-grid {
    grid-template-columns: repeat(4, 1fr);
}
.card-grid,
.feature-grid {
    grid-template-columns: repeat(3, 1fr);
}
.review-grid {
    grid-template-columns: repeat(3, 1fr);
}
.faq-grid {
    grid-template-columns: repeat(2, 1fr);
}
.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.notice-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: 18px;
    padding: 22px;
}
.zone-card img,
.card .card-img {
    max-height: 170px;
    object-fit: contain;
    margin-bottom: 16px;
    background: #F5FDFF;
    border-radius: 14px;
}
.number-badge {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #EAFBFF;
    border: 1px solid rgba(39,169,232,0.22);
    margin-bottom: 12px;
}
.pill-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.pill-row span {
    padding: 8px 12px;
    border-radius: 999px;
    color: #167BB8;
    background: #EAFBFF;
    border: 1px solid rgba(39,169,232,0.18);
    font-weight: 700;
}
.note-band {
    max-width: 1200px;
    margin: 0 auto 36px;
    border-radius: 18px;
    padding: 24px;
    background: #C8F0FF;
    border: 1px solid rgba(39,169,232,0.28);
    color: #1D2B36;
}
.breadcrumb-like {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}
.breadcrumb-like a {
    color: #27A9E8;
    font-weight: 800;
}
.faq-item h3,
.review-card h3 {
    margin-bottom: 8px;
}
.page-content {
    max-width: 1200px;
    margin: 0 auto 36px;
}
.page-content .section-panel {
    margin: 0 0 30px;
}
.simple-list {
    margin: 0;
    padding-left: 20px;
}
.simple-list li {
    margin: 8px 0;
    color: #5D7280;
}
.site-footer {
    background: #063B5C;
    color: #EAFBFF;
    margin-top: 46px;
}
.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 42px 16px 28px;
    grid-template-columns: 1.4fr 0.7fr 0.7fr 1fr;
}
.footer-brand p,
.footer-note p {
    color: rgba(234,251,255,0.86);
}
.footer-links {
    display: grid;
    align-content: start;
    gap: 8px;
}
.footer-links h3,
.footer-note h3 {
    color: #EAFBFF;
}
.footer-links a {
    color: rgba(234,251,255,0.88);
}
.footer-bottom {
    text-align: center;
    padding: 16px;
    border-top: 1px solid rgba(234,251,255,0.16);
    color: rgba(234,251,255,0.78);
}
@media (max-width: 1100px) {
    .desktop-nav a {
        padding: 9px 6px;
        font-size: 13px;
    }
    .quick-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .card-grid,
    .feature-grid,
    .review-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-inner {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 860px) {
    .desktop-bar {
        display: none;
    }
    .mobile-bar {
        display: flex;
    }
    .site-main {
        padding-top: 16px;
    }
    .hero-grid,
    .page-hero-grid,
    .split-grid {
        grid-template-columns: 1fr;
        padding: 26px;
    }
    .visual-card img,
    .image-frame img,
    .content-img,
    .zone-card img,
    .app-section img,
    .hero-section img {
        max-height: 280px;
    }
    .faq-grid {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 620px) {
    .site-main {
        padding-left: 12px;
        padding-right: 12px;
    }
    .quick-grid,
    .card-grid,
    .feature-grid,
    .review-grid,
    .footer-inner {
        grid-template-columns: 1fr;
    }
    .hero-section,
    .page-hero,
    .section-panel {
        border-radius: 16px;
        margin: 18px auto 26px;
    }
    .hero-grid,
    .page-hero-grid,
    .split-grid {
        padding: 22px;
    }
    .brand-logo img,
    .footer-logo img,
    .drawer-logo img,
    .mobile-logo img {
        width: 112px;
    }
    .mobile-register {
        padding: 7px 13px;
        min-height: 36px;
    }
    .card,
    .zone-card,
    .info-card,
    .review-card,
    .faq-item,
    .notice-card,
    .step-card {
        padding: 18px;
    }
}