:root {
    --bg: #F4FBFF;
    --nav: #FFFFFF;
    --soft: #E8F7FF;
    --card: #FFFFFF;
    --primary: #10AEEA;
    --deep: #155A9D;
    --text: #24384A;
    --muted: #60758A;
    --footer: #073A68;
    --footer-text: #EAF8FF;
    --border: #CDEEFF;
    --shadow: 0 18px 45px rgba(21, 90, 157, .10);
    --radius: 22px;
}
* { box-sizing: border-box; }
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", sans-serif; line-height: 1.75; overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: var(--deep); text-decoration: none; }
a:hover { color: var(--primary); }
button, input, textarea, select { font: inherit; }
.container { width: min(1180px, calc(100% - 32px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 2000; background: #fff; color: var(--deep); padding: 10px 14px; border-radius: 10px; box-shadow: var(--shadow); }
.skip-link:focus { top: 16px; }
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,.96); border-bottom: 1px solid rgba(16,174,234,.12); backdrop-filter: blur(14px); }
.header-inner { min-height: 74px; display: flex; align-items: center; gap: 22px; }
.brand-logo { flex: 0 0 auto; width: 126px; display: flex; align-items: center; }
.brand-logo img { width: 126px; height: 42px; object-fit: contain; }
.desktop-nav { min-width: 0; flex: 1; display: flex; justify-content: center; align-items: center; gap: clamp(12px, 1.4vw, 22px); white-space: nowrap; }
.desktop-nav a { position: relative; color: var(--text); font-size: 14px; font-weight: 600; padding: 25px 0 21px; }
.desktop-nav a::after { content: ""; position: absolute; left: 50%; bottom: 14px; width: 0; height: 3px; border-radius: 99px; background: var(--primary); transform: translateX(-50%); transition: width .25s ease; }
.desktop-nav a:hover::after, .desktop-nav a.is-active::after { width: 24px; }
.desktop-nav a.is-active { color: var(--primary); }
.header-actions { flex: 0 0 auto; display: flex; align-items: center; gap: 10px; }
.main-btn, .secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 24px; border-radius: 999px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn { color: #fff; background: linear-gradient(135deg, #35D7FF 0%, #1688D8 100%); box-shadow: 0 10px 24px rgba(22,136,216,.25); }
.main-btn:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 14px 28px rgba(22,136,216,.32); }
.secondary-btn { color: var(--deep); background: #fff; border: 1px solid var(--border); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; border-radius: 14px; background: var(--soft); padding: 11px; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; margin: 4px 0; background: var(--deep); border-radius: 3px; }
.mobile-drawer { position: fixed; z-index: 1300; right: 0; top: 0; width: min(360px, 88vw); height: 100dvh; padding: 22px; background: #fff; box-shadow: -20px 0 55px rgba(7,58,104,.18); transform: translateX(105%); transition: transform .28s ease; overflow-y: auto; }
.mobile-drawer.is-open { transform: translateX(0); }
.drawer-backdrop { position: fixed; z-index: 1200; inset: 0; background: rgba(5,35,60,.42); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid var(--border); color: var(--deep); }
.drawer-head strong { font-size: 22px; }
.drawer-close { width: 40px; height: 40px; border: 0; border-radius: 50%; background: var(--soft); color: var(--deep); font-size: 28px; line-height: 1; cursor: pointer; }
.mobile-drawer nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 18px 0; }
.mobile-drawer nav a { padding: 11px 12px; border-radius: 12px; background: #F7FCFF; color: var(--text); font-size: 14px; }
.drawer-register { width: 100%; }
body.drawer-open { overflow: hidden; }
.section { padding: 76px 0; }
.section-tight { padding: 52px 0; }
.section-soft { background: var(--soft); }
.section-white { background: #fff; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 30px; }
.section-head > div { max-width: 760px; }
.eyebrow { display: inline-flex; margin-bottom: 10px; padding: 5px 12px; border-radius: 999px; background: var(--soft); color: var(--deep); font-size: 13px; font-weight: 700; letter-spacing: .04em; }
h1, h2, h3 { margin: 0 0 12px; color: var(--deep); line-height: 1.28; }
h1 { font-size: clamp(34px, 5vw, 58px); }
h2 { font-size: clamp(26px, 3.2vw, 40px); }
h3 { font-size: 20px; }
p { margin: 0 0 14px; }
.lead { color: var(--muted); font-size: clamp(17px, 2vw, 20px); }
.hero-inner { padding: 74px 0 52px; }
.inner-hero { position: relative; overflow: hidden; background: radial-gradient(circle at 85% 10%, rgba(53,215,255,.25), transparent 32%), linear-gradient(140deg, #F8FDFF 0%, #E8F7FF 100%); }
.inner-hero .hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 46px; }
.hero-copy p { max-width: 720px; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero-media { border-radius: 26px; overflow: hidden; background: #fff; box-shadow: var(--shadow); }
.hero-media img { width: 100%; aspect-ratio: 16/10; object-fit: contain; background: #fff; }
.breadcrumbs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; font-size: 14px; color: var(--muted); }
.breadcrumbs a { color: var(--muted); }
.carousel-wrap { padding: 24px 0 0; }
.carousel { position: relative; overflow: hidden; border-radius: 28px; background: #fff; box-shadow: var(--shadow); }
.carousel-track { display: flex; transition: transform .55s cubic-bezier(.22,.8,.2,1); }
.carousel-slide { min-width: 100%; background: #fff; }
.carousel-slide img { width: 100%; height: clamp(260px, 43vw, 560px); object-fit: contain; background: #fff; }
.carousel-arrow { position: absolute; z-index: 2; top: 50%; width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.7); border-radius: 50%; background: rgba(7,58,104,.52); color: #fff; font-size: 26px; cursor: pointer; transform: translateY(-50%); backdrop-filter: blur(6px); }
.carousel-arrow:hover { background: rgba(7,58,104,.78); }
.carousel-prev { left: 18px; }
.carousel-next { right: 18px; }
.carousel-dots { position: absolute; z-index: 2; left: 50%; bottom: 18px; display: flex; gap: 8px; transform: translateX(-50%); }
.carousel-dot { width: 10px; height: 10px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.66); box-shadow: 0 0 0 1px rgba(7,58,104,.18); cursor: pointer; }
.carousel-dot.is-active { width: 28px; border-radius: 99px; background: #fff; }
.intro-panel { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: stretch; }
.intro-copy, .info-card, .review-card, .faq-item, .notice-card, .stat-card, .category-card, .feature-card, .service-card { background: #fff; border: 1px solid rgba(16,174,234,.12); border-radius: var(--radius); box-shadow: var(--shadow); }
.intro-copy { padding: clamp(26px, 4vw, 46px); }
.intro-aside { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-card { padding: 24px; }
.stat-card strong { display: block; color: var(--primary); font-size: 26px; margin-bottom: 6px; }
.stat-card span { color: var(--muted); font-size: 14px; }
.quick-scroll { display: flex; gap: 12px; overflow-x: auto; padding: 6px 2px 16px; scrollbar-width: thin; }
.quick-scroll a { flex: 0 0 auto; padding: 11px 18px; border-radius: 999px; background: #fff; border: 1px solid var(--border); color: var(--deep); font-weight: 700; box-shadow: 0 8px 20px rgba(21,90,157,.07); }
.quick-scroll a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.dashboard-grid, .card-grid-3, .card-grid-4, .review-grid, .category-grid { display: grid; gap: 20px; }
.dashboard-grid, .card-grid-4 { grid-template-columns: repeat(4, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.review-grid { grid-template-columns: repeat(3, 1fr); }
.category-grid { grid-template-columns: repeat(4, 1fr); }
.info-card, .feature-card, .service-card, .category-card { padding: 26px; }
.info-card .number, .feature-card .number { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 14px; background: var(--soft); color: var(--primary); font-weight: 800; margin-bottom: 18px; }
.info-card p, .feature-card p, .service-card p, .category-card p { color: var(--muted); font-size: 15px; }
.text-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 6px; color: var(--deep); font-weight: 700; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(3px); }
.feature-split { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; }
.feature-split.reverse .feature-image { order: 2; }
.feature-image { border-radius: 26px; overflow: hidden; background: #fff; box-shadow: var(--shadow); }
.feature-image img { width: 100%; aspect-ratio: 16/10; object-fit: contain; background: #fff; }
.feature-copy { padding: 10px 0; }
.check-list { list-style: none; padding: 0; margin: 22px 0; display: grid; gap: 10px; }
.check-list li { position: relative; padding-left: 28px; color: var(--text); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--primary); font-weight: 900; }
.media-card { overflow: hidden; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid rgba(16,174,234,.12); }
.media-card img { width: 100%; aspect-ratio: 16/10; object-fit: contain; background: #fff; }
.media-card .media-body { padding: 24px; }
.media-card p { color: var(--muted); }
.app-banner { display: grid; grid-template-columns: .9fr 1.1fr; gap: 36px; align-items: center; padding: clamp(28px, 5vw, 52px); border-radius: 30px; background: linear-gradient(135deg, #EAF9FF 0%, #FFFFFF 52%, #DFF6FF 100%); border: 1px solid var(--border); box-shadow: var(--shadow); overflow: hidden; }
.app-banner img { width: 100%; max-height: 360px; object-fit: contain; }
.notice-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 24px; }
.notice-card { padding: 28px; }
.notice-card.is-accent { background: linear-gradient(140deg, #0C5B99, #073A68); color: #fff; }
.notice-card.is-accent h3, .notice-card.is-accent a { color: #fff; }
.notice-card.is-accent p { color: #DDF4FF; }
.review-card { padding: 24px; }
.review-card blockquote { margin: 0 0 18px; color: var(--text); }
.review-card footer { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 14px; }
.review-card .tag { color: var(--primary); font-weight: 700; }
.faq-list { display: grid; gap: 14px; }
.faq-item { overflow: hidden; }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 20px 24px; border: 0; background: #fff; color: var(--deep); text-align: left; font-weight: 700; cursor: pointer; }
.faq-question span:last-child { font-size: 22px; color: var(--primary); }
.faq-answer { padding: 0 24px 22px; color: var(--muted); }
.faq-item[data-collapsed="true"] .faq-answer { display: none; }
.content-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; align-items: start; }
.content-main { min-width: 0; }
.side-panel { position: sticky; top: 98px; display: grid; gap: 16px; }
.side-panel .notice-card { padding: 22px; }
.prose { padding: clamp(24px, 4vw, 42px); background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid rgba(16,174,234,.12); }
.prose h2 { margin-top: 34px; }
.prose h2:first-child { margin-top: 0; }
.prose p { color: var(--text); }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin: 8px 0; }
.compact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 24px; }
.compliance-strip { padding: 28px; border-radius: var(--radius); background: linear-gradient(120deg, #073A68, #0C5B99); color: #EAF8FF; }
.compliance-strip h2, .compliance-strip h3 { color: #fff; }
.compliance-strip a { color: #fff; text-decoration: underline; }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.timeline { position: relative; display: grid; gap: 18px; }
.timeline::before { content: ""; position: absolute; left: 19px; top: 12px; bottom: 12px; width: 2px; background: var(--border); }
.timeline-item { position: relative; padding-left: 58px; }
.timeline-item::before { content: ""; position: absolute; left: 10px; top: 4px; width: 20px; height: 20px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 8px var(--soft); }
.site-footer { margin-top: 76px; padding: 58px 0 24px; background: var(--footer); color: var(--footer-text); }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 38px; }
.site-footer h2, .site-footer h3 { color: #fff; }
.site-footer a { display: block; color: #D8F3FF; margin: 8px 0; }
.site-footer a:hover { color: #fff; }
.footer-brand p { color: #C7E9F7; max-width: 430px; }
.footer-notice { margin-top: 36px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.14); display: flex; justify-content: space-between; gap: 28px; color: #BBDDEA; font-size: 13px; }
.footer-notice p:last-child { flex: 0 0 auto; }
@media (max-width: 1179px) {
    .desktop-nav { display: none; }
    .menu-toggle { display: block; }
    .header-inner { min-height: 68px; }
    .brand-logo { margin-right: auto; }
}
@media (max-width: 980px) {
    .inner-hero .hero-grid, .intro-panel, .feature-split, .app-banner, .notice-layout, .content-wrap { grid-template-columns: 1fr; }
    .feature-split.reverse .feature-image { order: 0; }
    .side-panel { position: static; grid-template-columns: 1fr 1fr; }
    .dashboard-grid, .card-grid-4, .category-grid { grid-template-columns: repeat(2, 1fr); }
    .review-grid, .card-grid-3, .contact-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
    .footer-grid > div:last-child { grid-column: 2 / 4; }
}
@media (max-width: 680px) {
    .container { width: min(100% - 22px, 1180px); }
    .header-actions .main-btn { min-height: 40px; padding: 0 17px; }
    .brand-logo, .brand-logo img { width: 106px; }
    .section { padding: 56px 0; }
    .section-tight { padding: 42px 0; }
    .hero-inner { padding: 48px 0 38px; }
    .inner-hero .hero-grid { gap: 26px; }
    .carousel-wrap { padding-top: 12px; }
    .carousel { border-radius: 18px; }
    .carousel-slide img { height: 250px; }
    .carousel-arrow { width: 40px; height: 40px; font-size: 22px; }
    .carousel-prev { left: 10px; }
    .carousel-next { right: 10px; }
    .carousel-dots { bottom: 12px; }
    .intro-aside, .dashboard-grid, .card-grid-4, .category-grid, .review-grid, .card-grid-3, .contact-grid, .compact-grid, .side-panel { grid-template-columns: 1fr; }
    .section-head { align-items: start; flex-direction: column; margin-bottom: 22px; }
    .app-banner { padding: 24px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
    .footer-grid > div:first-child, .footer-grid > div:last-child { grid-column: 1 / -1; }
    .footer-notice { flex-direction: column; }
    .mobile-drawer nav { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}
