@charset "UTF-8";
:root {
    --bg: #F4FBFF;
    --surface: #FFFFFF;
    --soft: #E8F7FF;
    --primary: #10AEEA;
    --primary-strong: #1688D8;
    --title: #155A9D;
    --text: #24384A;
    --muted: #60758A;
    --border: rgba(16, 174, 234, 0.18);
    --footer: #073A68;
    --footer-text: #EAF8FF;
    --shadow: 0 18px 45px rgba(21, 90, 157, 0.10);
    --radius: 22px;
    --header-height: 76px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    overflow-x: hidden;
    color: var(--text);
    background: linear-gradient(180deg, #ffffff 0, var(--bg) 440px, var(--bg) 100%);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button, input, textarea { font: inherit; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 2000; padding: 10px 16px; background: #fff; border-radius: 10px; box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }
.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(255,255,255,.94);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(14px);
}
.header-inner {
    width: min(100% - 32px, 1360px);
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: clamp(12px, 1.6vw, 24px);
}
.brand-logo { flex: 0 0 auto; display: inline-flex; align-items: center; }
.brand-logo img { width: clamp(112px, 9vw, 148px); max-height: 48px; object-fit: contain; }
.desktop-nav {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(7px, .75vw, 14px);
    overflow: hidden;
}
.desktop-nav a {
    flex: 0 0 auto;
    white-space: nowrap;
    padding: 9px clamp(5px, .45vw, 9px);
    border-radius: 10px;
    color: #34536c;
    font-size: clamp(12px, .86vw, 14px);
    font-weight: 650;
    transition: .2s ease;
}
.desktop-nav a:hover, .desktop-nav a.active { color: var(--primary-strong); background: var(--soft); }
.header-actions { flex: 0 0 auto; display: flex; align-items: center; gap: 10px; }
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 22px;
    border: 0;
    border-radius: 999px;
    color: #fff;
    background: linear-gradient(135deg, #35D7FF 0%, #1688D8 100%);
    box-shadow: 0 10px 24px rgba(22, 136, 216, .22);
    font-weight: 750;
    white-space: nowrap;
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(22,136,216,.28); }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--border); border-radius: 12px; background: #fff; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; border-radius: 2px; background: var(--title); }
.site-main { padding-top: var(--header-height); }
.container { width: min(100% - 32px, 1200px); margin: 0 auto; }
.wide-container { width: min(100% - 32px, 1360px); margin: 0 auto; }
.section { padding: clamp(46px, 6vw, 84px) 0; }
.section.compact { padding: clamp(36px, 4.5vw, 62px) 0; }
.section-soft { background: rgba(232,247,255,.68); border-top: 1px solid rgba(16,174,234,.08); border-bottom: 1px solid rgba(16,174,234,.08); }
.eyebrow { display: inline-flex; padding: 6px 12px; border-radius: 999px; color: var(--primary-strong); background: var(--soft); font-size: 13px; font-weight: 750; letter-spacing: .04em; }
.section-title, .page-title { margin: 12px 0 14px; color: var(--title); line-height: 1.25; letter-spacing: -.02em; }
.section-title { font-size: clamp(26px, 3.2vw, 42px); }
.page-title { font-size: clamp(34px, 5vw, 58px); }
.section-lead, .page-lead { max-width: 820px; margin: 0; color: var(--muted); font-size: clamp(16px, 1.4vw, 19px); }
.page-hero { padding: clamp(54px, 8vw, 104px) 0 clamp(42px, 6vw, 76px); background: radial-gradient(circle at 85% 20%, rgba(53,215,255,.22), transparent 30%), linear-gradient(180deg, #fff, #effaff); }
.hero-grid, .split-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); align-items: center; gap: clamp(28px, 5vw, 72px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--primary-strong); font-weight: 750; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.media-card { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.media-card img { width: 100%; aspect-ratio: 16/10; object-fit: contain; background: #fff; }
.media-card figcaption { padding: 16px 18px 20px; color: var(--muted); font-size: 14px; }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 30px; }
.card-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card {
    min-width: 0;
    padding: clamp(20px, 2.4vw, 30px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: 0 12px 34px rgba(21,90,157,.07);
}
.card h2, .card h3 { margin: 0 0 10px; color: var(--title); line-height: 1.35; }
.card h2 { font-size: 22px; }
.card h3 { font-size: 19px; }
.card p { margin: 0 0 14px; color: var(--muted); }
.card p:last-child { margin-bottom: 0; }
.icon-badge { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 16px; border-radius: 14px; color: #fff; background: linear-gradient(135deg, #35D7FF, #1688D8); font-weight: 800; }
.feature-list, .check-list { margin: 22px 0 0; padding: 0; list-style: none; }
.feature-list li, .check-list li { position: relative; margin: 10px 0; padding-left: 24px; color: var(--muted); }
.feature-list li::before, .check-list li::before { content: ""; position: absolute; left: 2px; top: .75em; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 5px rgba(16,174,234,.12); }
.content-block { max-width: 860px; }
.content-block p { margin: 0 0 18px; color: var(--muted); }
.content-block h2 { margin: 0 0 14px; color: var(--title); font-size: clamp(25px, 3vw, 38px); line-height: 1.3; }
.content-block h3 { margin: 26px 0 10px; color: var(--title); font-size: 21px; }
.notice { padding: 22px 24px; border: 1px solid var(--border); border-left: 5px solid var(--primary); border-radius: 16px; background: #fff; color: var(--muted); }
.notice strong { color: var(--title); }
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; margin-top: 28px; }
.review-card { padding: 24px; border: 1px solid var(--border); border-radius: 20px; background: #fff; box-shadow: 0 12px 28px rgba(21,90,157,.06); }
.review-card p { margin: 0 0 16px; color: var(--text); }
.review-card span { color: var(--primary-strong); font-size: 14px; font-weight: 750; }
.faq-list { display: grid; gap: 14px; margin-top: 28px; }
.faq-item { border: 1px solid var(--border); border-radius: 18px; background: #fff; overflow: hidden; }
.faq-item h2, .faq-item h3 { margin: 0; padding: 19px 22px 10px; color: var(--title); font-size: 19px; }
.faq-item p { margin: 0; padding: 0 22px 20px; color: var(--muted); }
.cta-panel { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: clamp(26px, 4vw, 44px); border-radius: 26px; background: linear-gradient(135deg, #e9faff 0%, #ffffff 55%, #e7f5ff 100%); border: 1px solid var(--border); box-shadow: var(--shadow); }
.cta-panel h2 { margin: 0 0 8px; color: var(--title); font-size: clamp(24px, 3vw, 36px); }
.cta-panel p { margin: 0; color: var(--muted); }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; color: var(--muted); font-size: 14px; }
.breadcrumbs a { color: var(--primary-strong); }
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.tag { padding: 7px 12px; border-radius: 999px; background: var(--soft); color: var(--primary-strong); font-size: 14px; font-weight: 700; }
.image-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 28px; }
.image-tile { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; box-shadow: 0 12px 30px rgba(21,90,157,.07); }
.image-tile img { width: 100%; aspect-ratio: 16/10; object-fit: contain; background: #fff; }
.image-tile .body { padding: 18px 20px 22px; }
.image-tile h3 { margin: 0 0 8px; color: var(--title); }
.image-tile p { margin: 0; color: var(--muted); }
.carousel-wrap { padding: 26px 0 0; }
.carousel {
    position: relative;
    overflow: hidden;
    border-radius: clamp(18px, 2vw, 28px);
    background: var(--soft);
    box-shadow: var(--shadow);
    aspect-ratio: 16/6.2;
}
.carousel-track { display: flex; width: 100%; height: 100%; transition: transform .55s ease; }
.carousel-slide { flex: 0 0 100%; min-width: 0; height: 100%; }
.carousel-slide img { width: 100%; height: 100%; object-fit: contain; background: #eaf8ff; }
.carousel-arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.7); border-radius: 50%; color: #fff; background: rgba(7,58,104,.42); backdrop-filter: blur(6px); cursor: pointer; font-size: 26px; line-height: 1; }
.carousel-arrow.prev { left: 18px; }
.carousel-arrow.next { right: 18px; }
.carousel-dots { position: absolute; left: 50%; bottom: 15px; transform: translateX(-50%); display: flex; gap: 8px; z-index: 3; }
.carousel-dot { width: 9px; height: 9px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.62); cursor: pointer; }
.carousel-dot.active { width: 24px; border-radius: 999px; background: #fff; }
.site-footer { margin-top: 42px; color: var(--footer-text); background: var(--footer); }
.footer-inner { width: min(100% - 32px, 1200px); margin: 0 auto; padding: 56px 0 34px; display: grid; grid-template-columns: 1.2fr 1.8fr; gap: 60px; }
.footer-brand img { width: 150px; max-height: 52px; object-fit: contain; margin-bottom: 18px; filter: brightness(0) invert(1); }
.footer-brand p { margin: 0; color: rgba(234,248,255,.78); }
.footer-links { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 28px; }
.footer-links h2 { margin: 0 0 12px; font-size: 16px; color: #fff; }
.footer-links a { display: block; margin: 8px 0; color: rgba(234,248,255,.76); font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { width: min(100% - 32px, 1200px); margin: 0 auto; padding: 22px 0 28px; border-top: 1px solid rgba(234,248,255,.14); display: flex; justify-content: space-between; gap: 24px; color: rgba(234,248,255,.68); font-size: 13px; }
.footer-bottom p { margin: 0; }
.mobile-drawer { position: fixed; top: 0; right: 0; z-index: 1200; width: min(88vw, 380px); height: 100dvh; padding: 18px; background: #fff; transform: translateX(105%); transition: transform .24s ease; box-shadow: -18px 0 45px rgba(7,58,104,.16); overflow-y: auto; }
.mobile-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.drawer-logo img { width: 132px; max-height: 48px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 1px solid var(--border); border-radius: 12px; background: #fff; color: var(--title); font-size: 28px; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 9px; padding: 18px 0; }
.drawer-nav a { padding: 11px 12px; border-radius: 11px; background: #f7fcff; color: var(--text); font-size: 14px; font-weight: 700; }
.drawer-nav a.active { color: var(--primary-strong); background: var(--soft); }
.drawer-register { width: 100%; }
.drawer-backdrop { position: fixed; inset: 0; z-index: 1100; background: rgba(7,35,60,.38); opacity: 0; transition: opacity .22s ease; }
.drawer-backdrop.show { opacity: 1; }
@media (max-width: 1180px) {
    .desktop-nav { display: none; }
    .header-inner { justify-content: space-between; }
    .menu-toggle { display: block; }
}
@media (max-width: 900px) {
    .hero-grid, .split-grid { grid-template-columns: 1fr; }
    .card-grid, .card-grid.four, .review-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .footer-inner { grid-template-columns: 1fr; gap: 36px; }
    .carousel { aspect-ratio: 16/8.3; }
}
@media (max-width: 640px) {
    :root { --header-height: 68px; }
    .header-inner, .container, .wide-container, .footer-inner, .footer-bottom { width: min(100% - 24px, 1200px); }
    .brand-logo img { width: 112px; }
    .main-btn { min-height: 40px; padding: 9px 17px; }
    .card-grid, .card-grid.four, .review-grid, .image-grid { grid-template-columns: 1fr; }
    .section { padding: 46px 0; }
    .page-hero { padding: 46px 0 40px; }
    .cta-panel { align-items: flex-start; flex-direction: column; }
    .footer-links { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; }
    .carousel { aspect-ratio: 16/10; border-radius: 16px; }
    .carousel-arrow { width: 40px; height: 40px; }
    .carousel-arrow.prev { left: 10px; }
    .carousel-arrow.next { right: 10px; }
    .carousel-dots { bottom: 10px; }
}
@media (max-width: 420px) {
    .header-actions { gap: 7px; }
    .main-btn { padding-inline: 14px; }
    .menu-toggle { width: 40px; height: 40px; }
    .drawer-nav { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}