:root {
    --bg: #F4FBFF;
    --nav: #FFFFFF;
    --soft: #E8F7FF;
    --card: #FFFFFF;
    --primary: #10AEEA;
    --deep: #155A9D;
    --text: #24384A;
    --muted: #60758A;
    --footer: #073A68;
    --footer-text: #EAF8FF;
    --line: rgba(21, 90, 157, .13);
    --shadow: 0 18px 50px rgba(22, 105, 166, .11);
    --radius: 24px;
    --button: linear-gradient(135deg, #35D7FF 0%, #1688D8 100%);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { margin: 0; min-width: 320px; overflow-x: hidden; background: var(--bg); color: var(--text); font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.72; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 9999; padding: 10px 16px; border-radius: 10px; background: #fff; color: var(--deep); box-shadow: var(--shadow); }
.skip-link:focus { top: 16px; }
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255, 255, 255, .94); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.header-inner { display: flex; align-items: center; min-height: 78px; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand-logo { width: 46px; height: 46px; object-fit: contain; }
.brand-name { color: var(--deep); font-size: 20px; font-weight: 800; white-space: nowrap; }
.desktop-nav { display: flex; align-items: center; justify-content: center; gap: 4px; min-width: 0; flex: 1 1 auto; }
.desktop-nav a { padding: 9px 9px; border-radius: 12px; color: var(--text); font-size: 14px; font-weight: 700; white-space: nowrap; transition: .2s ease; }
.desktop-nav a:hover, .desktop-nav a.active { color: var(--deep); background: var(--soft); }
.header-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 22px; border: 0; border-radius: 999px; background: var(--button); color: #fff; font-weight: 800; box-shadow: 0 10px 24px rgba(22, 136, 216, .23); transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(22, 136, 216, .28); }
.text-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 20px; border: 1px solid rgba(21, 90, 157, .2); border-radius: 999px; color: var(--deep); background: #fff; font-weight: 800; }
.menu-toggle { display: none; width: 46px; height: 46px; padding: 11px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; border-radius: 2px; background: var(--deep); }
.drawer-overlay { position: fixed; inset: 0; z-index: 1090; background: rgba(7, 58, 104, .48); }
.mobile-drawer { position: fixed; top: 0; right: 0; z-index: 1100; width: min(380px, 92vw); height: 100dvh; padding: 20px; overflow-y: auto; background: #fff; box-shadow: -24px 0 60px rgba(7, 58, 104, .22); transform: translateX(105%); transition: transform .28s ease; }
.mobile-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 13px; background: var(--soft); color: var(--deep); font-size: 28px; line-height: 1; }
.mobile-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 18px 0; }
.mobile-nav a { padding: 12px 14px; border-radius: 14px; background: var(--bg); color: var(--text); font-weight: 700; }
.drawer-register { width: 100%; }
body.drawer-open { overflow: hidden; }
.carousel-section { padding: 24px 0 0; }
.carousel { position: relative; overflow: hidden; border-radius: 30px; background: var(--soft); box-shadow: var(--shadow); }
.carousel-track { position: relative; aspect-ratio: 16 / 6.4; min-height: 240px; }
.carousel-slide { position: absolute; inset: 0; opacity: 0; pointer-events: none; transition: opacity .55s ease; }
.carousel-slide.active { opacity: 1; pointer-events: auto; }
.carousel-slide img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.carousel-control { position: absolute; top: 50%; z-index: 2; width: 48px; height: 48px; border: 1px solid rgba(255,255,255,.65); border-radius: 50%; background: rgba(7,58,104,.55); color: #fff; font-size: 28px; transform: translateY(-50%); backdrop-filter: blur(8px); }
.carousel-control.prev { left: 18px; }
.carousel-control.next { right: 18px; }
.carousel-dots { position: absolute; left: 50%; bottom: 16px; z-index: 2; display: flex; gap: 9px; transform: translateX(-50%); }
.carousel-dot { width: 10px; height: 10px; padding: 0; border: 1px solid rgba(255,255,255,.85); border-radius: 50%; background: rgba(7,58,104,.45); }
.carousel-dot.active { width: 28px; border-radius: 999px; background: #fff; }
.section { padding: 76px 0; }
.section-soft { background: var(--soft); }
.section-heading { max-width: 760px; margin-bottom: 30px; }
.section-heading.center { margin-right: auto; margin-left: auto; text-align: center; }
.eyebrow { margin: 0 0 10px; color: var(--primary); font-size: 14px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; color: var(--deep); line-height: 1.28; }
h1 { margin-bottom: 20px; font-size: clamp(34px, 5vw, 62px); }
h2 { margin-bottom: 16px; font-size: clamp(28px, 3.6vw, 42px); }
h3 { margin-bottom: 10px; font-size: 20px; }
p { margin: 0 0 16px; }
.hero-intro { padding: 84px 0 58px; }
.hero-intro-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 36px; align-items: center; }
.hero-summary { font-size: 18px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hero-stat { padding: 22px; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: 0 12px 32px rgba(21,90,157,.07); }
.hero-stat strong { display: block; margin-bottom: 6px; color: var(--deep); font-size: 22px; }
.hero-stat span { color: var(--muted); font-size: 14px; }
.quick-scroll { display: flex; gap: 12px; padding: 4px 0 14px; overflow-x: auto; scrollbar-width: thin; scroll-snap-type: x proximity; }
.quick-pill { flex: 0 0 auto; min-width: 160px; padding: 14px 18px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--deep); font-weight: 800; scroll-snap-align: start; box-shadow: 0 8px 20px rgba(21,90,157,.06); }
.quick-pill:hover { border-color: rgba(16,174,234,.4); background: var(--soft); }
.dashboard { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.dashboard-card, .info-card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 12px 34px rgba(21,90,157,.07); }
.dashboard-card .number { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; margin-bottom: 18px; border-radius: 14px; background: var(--soft); color: var(--primary); font-weight: 900; }
.dashboard-card p, .info-card p { color: var(--muted); }
.media-split { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: center; }
.media-split.reverse .media-panel { order: 2; }
.media-panel { position: relative; display: grid; place-items: center; min-height: 350px; overflow: hidden; border: 1px solid var(--line); border-radius: 30px; background: #fff; box-shadow: var(--shadow); }
.media-panel::before { content: attr(data-label); position: absolute; color: var(--muted); font-weight: 800; opacity: 0; }
.media-panel.missing::before { opacity: .65; }
.media-panel img { width: 100%; height: 100%; max-height: 520px; object-fit: contain; }
.content-panel p { color: var(--muted); }
.check-list { display: grid; gap: 10px; margin: 22px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 28px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--primary); font-weight: 900; }
.card-grid { display: grid; gap: 20px; }
.columns-2 { grid-template-columns: repeat(2, 1fr); }
.columns-3 { grid-template-columns: repeat(3, 1fr); }
.columns-4 { grid-template-columns: repeat(4, 1fr); }
.info-card { position: relative; overflow: hidden; }
.info-card::after { content: ""; position: absolute; right: -36px; bottom: -36px; width: 100px; height: 100px; border-radius: 50%; background: rgba(16,174,234,.06); }
.card-tag { display: inline-flex; margin-bottom: 14px; padding: 5px 10px; border-radius: 999px; background: var(--soft); color: var(--primary); font-size: 13px; font-weight: 800; }
.plain-link { position: relative; z-index: 1; display: inline-flex; margin-top: 6px; color: var(--deep); font-weight: 900; }
.plain-link::after { content: "→"; margin-left: 7px; }
.feature-banner { display: grid; grid-template-columns: 1fr .85fr; gap: 28px; align-items: center; padding: 42px; border: 1px solid rgba(16,174,234,.18); border-radius: 32px; background: linear-gradient(135deg, #fff 0%, #E8F7FF 100%); box-shadow: var(--shadow); }
.feature-banner .media-panel { min-height: 290px; box-shadow: none; }
.triple-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.image-card { overflow: hidden; border: 1px solid var(--line); border-radius: 26px; background: #fff; box-shadow: 0 12px 34px rgba(21,90,157,.07); }
.image-card figure { position: relative; display: grid; place-items: center; min-height: 220px; margin: 0; background: var(--soft); }
.image-card figure::before { content: attr(data-label); position: absolute; color: var(--muted); font-weight: 800; opacity: 0; }
.image-card figure.missing::before { opacity: .65; }
.image-card img { width: 100%; height: 250px; object-fit: contain; background: #fff; }
.image-card .body { padding: 24px; }
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.testimonial { margin: 0; padding: 26px; border: 1px solid var(--line); border-radius: 24px; background: #fff; box-shadow: 0 10px 30px rgba(21,90,157,.06); }
.testimonial p { color: var(--text); }
.testimonial footer { color: var(--primary); font-weight: 800; }
.step-list { display: grid; gap: 16px; margin: 0; padding: 0; list-style: none; }
.step-list li { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: start; padding: 24px; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
.step-number { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 14px; background: var(--button); color: #fff; font-weight: 900; }
.notice-card { display: grid; grid-template-columns: 1.2fr .8fr; gap: 32px; padding: 34px; border-radius: 28px; background: var(--footer); color: var(--footer-text); box-shadow: var(--shadow); }
.notice-card h2 { color: #fff; }
.notice-card p { color: rgba(234,248,255,.86); }
.notice-card ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.notice-card li { position: relative; padding-left: 24px; }
.notice-card li::before { content: "•"; position: absolute; left: 4px; color: #35D7FF; }
.faq-list { display: grid; gap: 12px; }
.faq-list details { border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.faq-list summary { padding: 20px 22px; color: var(--deep); font-weight: 900; cursor: pointer; }
.faq-list details p { padding: 0 22px 22px; color: var(--muted); }
.inner-hero { padding: 72px 0 56px; background: radial-gradient(circle at 80% 10%, rgba(53,215,255,.18), transparent 36%), linear-gradient(180deg, #fff 0%, var(--bg) 100%); border-bottom: 1px solid var(--line); }
.inner-hero .container { max-width: 980px; }
.hero-lead { max-width: 820px; color: var(--muted); font-size: 18px; }
.breadcrumb { display: flex; gap: 8px; align-items: center; padding: 18px 0 0; color: var(--muted); font-size: 14px; }
.breadcrumb a { color: var(--deep); font-weight: 700; }
.cta-band { padding: 42px; border-radius: 30px; background: var(--button); color: #fff; box-shadow: var(--shadow); }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.88); }
.cta-band .text-btn { border-color: rgba(255,255,255,.55); color: #fff; background: rgba(255,255,255,.12); }
.site-footer { padding: 64px 0 24px; background: var(--footer); color: var(--footer-text); }
.footer-grid { display: grid; grid-template-columns: 1.55fr repeat(3, 1fr); gap: 34px; }
.footer-grid h2 { margin-bottom: 16px; color: #fff; font-size: 17px; }
.footer-grid a { display: block; width: fit-content; margin: 9px 0; color: rgba(234,248,255,.82); }
.footer-grid a:hover { color: #fff; }
.footer-brand p { max-width: 520px; color: rgba(234,248,255,.74); }
.brand-footer .brand-name { color: #fff; }
.compliance-bar { display: flex; justify-content: space-between; gap: 30px; margin-top: 44px; padding-top: 24px; border-top: 1px solid rgba(234,248,255,.18); color: rgba(234,248,255,.68); font-size: 13px; }
.compliance-bar p:first-child { max-width: 760px; }
.registration-page { min-height: 100vh; display: grid; place-items: center; padding: 30px; background: var(--bg); }
.registration-card { width: min(680px, 100%); padding: 44px; border: 1px solid var(--line); border-radius: 30px; background: #fff; box-shadow: var(--shadow); text-align: center; }
.registration-card .brand { justify-content: center; margin-bottom: 24px; }
@media (max-width: 1180px) {
    .desktop-nav { display: none; }
    .menu-toggle { display: block; }
    .header-inner { min-height: 72px; }
}
@media (max-width: 920px) {
    .section { padding: 58px 0; }
    .hero-intro-grid, .media-split, .feature-banner, .notice-card { grid-template-columns: 1fr; }
    .media-split.reverse .media-panel { order: 0; }
    .dashboard, .columns-4 { grid-template-columns: repeat(2, 1fr); }
    .columns-3, .triple-grid, .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .compliance-bar { flex-direction: column; }
    .carousel-track { aspect-ratio: 16 / 8; }
}
@media (max-width: 640px) {
    .container { width: min(100% - 24px, 1180px); }
    .brand-logo { width: 40px; height: 40px; }
    .brand-name { font-size: 17px; }
    .header-actions .main-btn { min-height: 42px; padding: 0 16px; }
    .carousel-section { padding-top: 12px; }
    .carousel { border-radius: 20px; }
    .carousel-track { min-height: 190px; aspect-ratio: 4 / 3; }
    .carousel-control { width: 40px; height: 40px; font-size: 22px; }
    .carousel-control.prev { left: 10px; }
    .carousel-control.next { right: 10px; }
    .hero-intro { padding: 58px 0 42px; }
    .hero-stats, .dashboard, .columns-2, .columns-3, .columns-4, .triple-grid, .testimonial-grid, .footer-grid { grid-template-columns: 1fr; }
    .media-panel { min-height: 240px; border-radius: 22px; }
    .image-card img { height: 220px; }
    .feature-banner, .cta-band, .registration-card { padding: 26px; }
    .notice-card { padding: 26px; }
    .inner-hero { padding: 54px 0 42px; }
    .mobile-nav { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}