:root {
    --bg: #F4FBFF;
    --surface: #FFFFFF;
    --soft: #E8F7FF;
    --primary: #11AEEA;
    --accent: #1688D8;
    --deep: #155A9D;
    --text: #24384A;
    --muted: #60758A;
    --border: rgba(17, 174, 234, 0.18);
    --gradient: linear-gradient(135deg, #35D7FF 0%, #1688D8 100%);
    --footer: #073A68;
    --shadow: 0 18px 48px rgba(21, 90, 157, 0.12);
    --shadow-soft: 0 10px 28px rgba(21, 90, 157, 0.09);
    --radius-xl: 28px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --header-height: 76px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--text);
    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%; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
.site-container { width: min(100% - 32px, 1240px); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 2000; background: var(--accent); color: #fff; padding: 10px 16px; border-radius: 10px; }
.skip-link:focus { top: 12px; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 26px rgba(21, 90, 157, 0.06);
    backdrop-filter: blur(14px);
}
.header-inner {
    width: min(100% - 32px, 1360px);
    height: 100%;
    margin-inline: auto;
    display: flex;
    align-items: center;
    gap: clamp(14px, 2vw, 28px);
}
.brand-logo { flex: 0 0 auto; display: inline-flex; align-items: center; }
.brand-logo img { width: clamp(104px, 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(6px, .72vw, 14px); }
.desktop-nav a { position: relative; white-space: nowrap; padding: 12px clamp(4px, .38vw, 8px); color: var(--muted); font-size: clamp(13px, .86vw, 15px); font-weight: 700; }
.desktop-nav a::after { content: ""; position: absolute; left: 50%; right: 50%; bottom: 6px; height: 2px; border-radius: 2px; background: var(--gradient); transition: .22s ease; }
.desktop-nav a:hover, .desktop-nav a.active { color: var(--accent); }
.desktop-nav a:hover::after, .desktop-nav a.active::after { left: 8px; right: 8px; }
.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: 10px 22px;
    border-radius: 999px;
    font-weight: 800;
    white-space: nowrap;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.main-btn { background: var(--gradient); color: #fff; box-shadow: 0 10px 22px rgba(22, 136, 216, .24); }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(22, 136, 216, .3); }
.secondary-btn { color: var(--deep); background: var(--surface); border: 1px solid var(--border); }
.secondary-btn:hover { background: var(--soft); transform: translateY(-2px); }
.header-register { min-height: 42px; padding-inline: 20px; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 0; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.menu-toggle span { width: 20px; height: 2px; border-radius: 2px; background: var(--deep); }
.drawer-overlay { position: fixed; inset: 0; z-index: 1100; opacity: 0; background: rgba(7, 58, 104, .38); transition: opacity .22s ease; }
.drawer-overlay.show { opacity: 1; }
.mobile-drawer { position: fixed; z-index: 1200; top: 0; right: 0; width: min(86vw, 380px); height: 100dvh; padding: 20px; background: #fff; box-shadow: -18px 0 48px rgba(7, 58, 104, .2); transform: translateX(104%); transition: transform .25s ease; overflow-y: auto; }
.mobile-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.drawer-logo img { width: 128px; max-height: 44px; object-fit: contain; }
.drawer-close { width: 40px; height: 40px; border: 0; border-radius: 12px; background: var(--soft); color: var(--deep); font-size: 30px; line-height: 1; }
.mobile-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 22px 0; }
.mobile-nav a { padding: 12px 14px; border-radius: 12px; background: var(--bg); color: var(--deep); font-weight: 700; border: 1px solid transparent; }
.mobile-nav a:hover { border-color: var(--border); background: var(--soft); }
.drawer-register { width: 100%; }

main { min-height: 60vh; }
.section { padding: 72px 0; }
.section-tight { padding-top: 18px; padding-bottom: 72px; }
.section-soft { background: linear-gradient(180deg, rgba(232,247,255,.84), rgba(244,251,255,.55)); border-block: 1px solid rgba(17,174,234,.08); }
.section-heading { max-width: 780px; margin-bottom: 30px; }
.section-heading.center { margin-inline: auto; text-align: center; }
.section-heading h2, .content-copy h2, .compliance-panel h2 { margin: 8px 0 12px; color: var(--deep); font-size: clamp(28px, 3vw, 42px); line-height: 1.25; }
.section-heading p, .content-copy p { color: var(--muted); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-size: 13px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 24px; height: 3px; border-radius: 99px; background: var(--gradient); }
.text-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 10px; color: var(--accent); font-weight: 800; }
.text-link:hover { gap: 12px; }

.slider-section { padding-top: 24px; }
.banner-slider { position: relative; width: min(100% - 32px, 1360px); margin-inline: auto; aspect-ratio: 16 / 6.2; min-height: 260px; overflow: hidden; border-radius: var(--radius-xl); background: var(--soft); box-shadow: var(--shadow); border: 1px solid var(--border); }
.slides, .slide { position: absolute; inset: 0; }
.slide { opacity: 0; visibility: hidden; transition: opacity .55s ease; }
.slide.active { opacity: 1; visibility: visible; }
.slide img { width: 100%; height: 100%; object-fit: contain; background: var(--soft); }
.slider-arrow { position: absolute; z-index: 4; top: 50%; width: 48px; height: 48px; margin-top: -24px; border: 1px solid rgba(255,255,255,.75); border-radius: 50%; background: rgba(7,58,104,.56); color: #fff; font-size: 28px; box-shadow: 0 8px 24px rgba(7,58,104,.18); }
.slider-arrow:hover { background: rgba(22,136,216,.92); }
.slider-prev { left: 18px; }
.slider-next { right: 18px; }
.slider-dots { position: absolute; z-index: 4; left: 50%; bottom: 16px; transform: translateX(-50%); display: flex; gap: 9px; }
.slider-dot { width: 10px; height: 10px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.62); box-shadow: 0 0 0 1px rgba(7,58,104,.18); }
.slider-dot.active { width: 28px; border-radius: 999px; background: #fff; }

.home-intro { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); gap: 28px; align-items: stretch; }
.intro-card, .gateway-card, .content-panel, .card, .review-card, .faq-item, .media-frame, .hero-media, .mini-card { background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-soft); }
.intro-card, .gateway-card { padding: clamp(26px, 4vw, 48px); border-radius: var(--radius-xl); }
.intro-card h1 { margin: 10px 0 18px; color: var(--deep); font-size: clamp(34px, 5vw, 58px); line-height: 1.12; }
.intro-card p { color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.gateway-card { background: linear-gradient(145deg, #fff 0%, #e8f7ff 100%); display: flex; flex-direction: column; justify-content: center; }
.gateway-card h2 { margin: 8px 0 12px; color: var(--deep); font-size: 30px; }
.gateway-points { display: grid; gap: 12px; margin-top: 16px; }
.gateway-points div { display: flex; gap: 12px; align-items: flex-start; padding: 14px; border-radius: 14px; background: rgba(255,255,255,.8); }
.gateway-points strong { color: var(--accent); }

.quick-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.quick-card { min-height: 220px; padding: 22px; border-radius: var(--radius-lg); background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow-soft); display: flex; flex-direction: column; }
.quick-card .number { width: 42px; height: 42px; display: grid; place-items: center; margin-bottom: 24px; border-radius: 14px; background: var(--soft); color: var(--accent); font-weight: 900; }
.quick-card h3 { margin: 0 0 8px; color: var(--deep); font-size: 20px; }
.quick-card p { margin: 0 0 16px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.quick-card a { margin-top: auto; color: var(--accent); font-weight: 800; }

.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.card { padding: 26px; border-radius: var(--radius-lg); }
.card h3 { margin: 12px 0 8px; color: var(--deep); font-size: 22px; }
.card p { margin: 0; color: var(--muted); }
.card-tag, .card-index { display: inline-flex; padding: 5px 10px; border-radius: 999px; background: var(--soft); color: var(--accent); font-size: 12px; font-weight: 900; }
.zone-section { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .92fr); gap: 30px; align-items: center; }
.zone-section.reverse .media-frame { order: -1; }
.media-frame, .hero-media { overflow: hidden; border-radius: var(--radius-xl); background: var(--soft); min-height: 260px; display: grid; place-items: center; }
.media-frame img, .hero-media img { width: 100%; height: 100%; max-height: 460px; object-fit: contain; }
.content-copy h3 { color: var(--deep); }
.check-list { display: grid; gap: 10px; margin: 20px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 28px; color: var(--muted); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; background: var(--soft); color: var(--accent); font-weight: 900; font-size: 12px; }
.notice-list { display: grid; gap: 14px; }
.notice-item { display: grid; grid-template-columns: 92px 1fr; gap: 18px; padding: 18px 20px; border-radius: 16px; background: #fff; border: 1px solid var(--border); }
.notice-item time { color: var(--accent); font-weight: 900; }
.notice-item h3 { margin: 0 0 4px; color: var(--deep); }
.notice-item p { margin: 0; color: var(--muted); }

.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.review-card { position: relative; padding: 26px; border-radius: var(--radius-lg); }
.review-mark { color: var(--primary); font-size: 52px; line-height: .8; opacity: .45; }
.review-card p { color: var(--text); }
.review-card span { color: var(--accent); font-weight: 800; }
.faq-list { display: grid; gap: 14px; }
.faq-item { overflow: hidden; border-radius: 16px; }
.faq-item button { width: 100%; padding: 20px 22px; border: 0; background: #fff; color: var(--deep); display: flex; align-items: center; justify-content: space-between; gap: 16px; text-align: left; font-weight: 800; }
.faq-item button::after { content: "+"; color: var(--accent); font-size: 24px; transition: transform .2s ease; }
.faq-item.open button::after { transform: rotate(45deg); }
.faq-answer { display: none; padding: 0 22px 20px; color: var(--muted); background: #fff; }
.faq-item.open .faq-answer { display: block; }
.compliance-panel { padding: 28px 32px; border-radius: var(--radius-lg); color: #dff6ff; background: linear-gradient(135deg, #0a477e, #1688d8); box-shadow: var(--shadow); }
.compliance-panel h2 { color: #fff; font-size: 26px; }
.compliance-panel p { margin: 8px 0 0; color: #eaf8ff; }

.inner-hero { padding: 42px 0 18px; }
.hero-panel { min-height: 440px; padding: clamp(28px, 5vw, 58px); border-radius: var(--radius-xl); background: linear-gradient(145deg, #fff 0%, #e8f7ff 100%); border: 1px solid var(--border); box-shadow: var(--shadow); display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(320px, .88fr); gap: 34px; align-items: center; }
.hero-copy h1 { margin: 12px 0 16px; color: var(--deep); font-size: clamp(36px, 5vw, 60px); line-height: 1.12; }
.hero-copy > p { max-width: 760px; color: var(--muted); font-size: 17px; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; color: var(--muted); font-size: 13px; }
.breadcrumb a { color: var(--accent); }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.chip-row span { padding: 7px 12px; border-radius: 999px; background: rgba(255,255,255,.82); color: var(--deep); border: 1px solid var(--border); font-size: 13px; font-weight: 800; }
.content-split { display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(320px, .94fr); gap: 32px; align-items: center; }
.content-split.reverse .content-copy { order: 2; }
.content-split.reverse .media-frame, .content-split.reverse .mini-card-grid { order: 1; }
.mini-card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.mini-card { padding: 22px; border-radius: 18px; }
.mini-card h3 { margin: 10px 0 8px; color: var(--deep); }
.mini-card p { margin: 0; color: var(--muted); font-size: 14px; }
.mini-card a { display: inline-flex; margin-top: 14px; color: var(--accent); font-weight: 800; }
.info-table { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: 16px; background: #fff; box-shadow: var(--shadow-soft); }
.info-table th, .info-table td { padding: 16px 18px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.info-table th { color: var(--deep); background: var(--soft); }
.info-table td { color: var(--muted); }

.registration-page { min-height: calc(100vh - var(--header-height)); display: grid; place-items: center; padding: 60px 16px; }
.registration-card { width: min(100%, 720px); padding: clamp(28px, 6vw, 60px); text-align: center; border-radius: var(--radius-xl); background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.registration-card h1 { color: var(--deep); font-size: clamp(34px, 5vw, 52px); }
.registration-card p { color: var(--muted); }

.site-footer { padding-top: 58px; color: #EAF8FF; background: var(--footer); }
.footer-grid { display: grid; grid-template-columns: 1.7fr repeat(3, 1fr); gap: 34px; }
.footer-brand img { width: 138px; max-height: 46px; object-fit: contain; filter: brightness(0) invert(1); }
.footer-brand p { max-width: 440px; color: rgba(234,248,255,.78); }
.footer-column { display: grid; align-content: start; gap: 8px; }
.footer-column h2 { margin: 0 0 8px; color: #fff; font-size: 17px; }
.footer-column a { color: rgba(234,248,255,.75); font-size: 14px; }
.footer-column a:hover { color: #fff; }
.footer-notice { margin-top: 36px; padding: 22px 0; border-top: 1px solid rgba(255,255,255,.14); border-bottom: 1px solid rgba(255,255,255,.14); }
.footer-notice p { margin: 0; color: rgba(234,248,255,.74); font-size: 13px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 20px 0 28px; color: rgba(234,248,255,.62); font-size: 13px; }

@media (max-width: 1180px) {
    .desktop-nav { display: none; }
    .header-inner { justify-content: space-between; }
    .menu-toggle { display: inline-flex; }
    .quick-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 920px) {
    :root { --header-height: 70px; }
    .section { padding: 58px 0; }
    .home-intro, .zone-section, .content-split, .hero-panel { grid-template-columns: 1fr; }
    .content-split.reverse .content-copy, .content-split.reverse .media-frame, .content-split.reverse .mini-card-grid { order: initial; }
    .hero-panel { min-height: auto; }
    .hero-media { min-height: 240px; }
    .feature-grid, .review-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .banner-slider { aspect-ratio: 16 / 7.2; min-height: 230px; }
}
@media (max-width: 680px) {
    .site-container { width: min(100% - 24px, 1240px); }
    .header-inner { width: calc(100% - 20px); gap: 8px; }
    .brand-logo img { width: 108px; }
    .header-register { min-height: 40px; padding: 8px 16px; font-size: 14px; }
    .menu-toggle { width: 40px; height: 40px; border-radius: 12px; }
    .slider-section { padding-top: 14px; }
    .banner-slider { width: calc(100% - 24px); min-height: 190px; aspect-ratio: 16 / 9; border-radius: 18px; }
    .slider-arrow { width: 38px; height: 38px; margin-top: -19px; font-size: 22px; }
    .slider-prev { left: 10px; } .slider-next { right: 10px; }
    .slider-dots { bottom: 10px; }
    .quick-grid, .feature-grid, .review-grid, .mini-card-grid { grid-template-columns: 1fr; }
    .quick-card { min-height: auto; }
    .notice-item { grid-template-columns: 1fr; gap: 4px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; gap: 4px; }
    .mobile-nav { grid-template-columns: 1fr; }
    .hero-panel, .intro-card, .gateway-card { padding: 24px; border-radius: 20px; }
    .hero-copy h1, .intro-card h1 { font-size: 34px; }
    .content-split { gap: 22px; }
    .media-frame, .hero-media { min-height: 210px; border-radius: 18px; }
    .compliance-panel { padding: 24px; }
}
@media (max-width: 420px) {
    .brand-logo img { width: 94px; }
    .header-actions { gap: 6px; }
    .header-register { padding-inline: 13px; }
    .banner-slider { min-height: 166px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { grid-column: auto; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}