:root {
    --primary: #1CA8F6;
    --bright: #38C7FF;
    --deep: #0877C9;
    --cyan: #7FE4FF;
    --text: #223044;
    --muted: #5F7082;
    --soft: #7A8A9A;
    --bg: #F4FBFF;
    --panel: #FFFFFF;
    --line: rgba(28,168,246,.13);
    --shadow: 0 16px 40px rgba(8,119,201,.09);
    --gradient: linear-gradient(135deg, #38C7FF 0%, #1CA8F6 48%, #0877C9 100%);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif; line-height: 1.78; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, a { touch-action: manipulation; }
button { font: inherit; }
.container { width: min(1200px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 1000; background: #fff; color: var(--deep); padding: 9px 14px; border-radius: 10px; box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.94); backdrop-filter: blur(12px); box-shadow: 0 8px 24px rgba(8,119,201,.08); }
.top-nav { height: 72px; display: grid; grid-template-columns: 190px 1fr auto; align-items: center; gap: 24px; }
.brand-logo { display: inline-flex; align-items: center; min-width: 0; }
.brand-logo img { width: 150px; max-height: 48px; object-fit: contain; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: clamp(18px, 3vw, 38px); min-width: 0; white-space: nowrap; }
.nav-core a { position: relative; color: #1D2A3A; font-weight: 700; padding: 7px 4px; }
.nav-core a:hover, .nav-core a.active { color: var(--primary); }
.nav-core a.active::after { content: ""; position: absolute; left: 50%; bottom: -13px; width: 28px; height: 3px; border-radius: 999px; background: var(--primary); transform: translateX(-50%); }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 9px 24px; color: #fff; font-weight: 800; border-radius: 999px; background: var(--gradient); box-shadow: 0 12px 26px rgba(8,119,201,.18); transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 30px rgba(8,119,201,.25); }
.header-register { justify-self: end; position: relative; z-index: 3; }
.mobile-menu-btn { display: none; width: 42px; height: 42px; border: 0; border-radius: 12px; background: #EAF7FF; padding: 10px; cursor: pointer; }
.mobile-menu-btn span { display: block; height: 2px; margin: 5px 0; border-radius: 4px; background: var(--deep); }
.channel-bar { border-top: 1px solid rgba(28,168,246,.10); border-bottom: 1px solid rgba(28,168,246,.10); background: rgba(234,247,255,.88); overflow: hidden; }
.channel-scroll { display: flex; gap: 8px; overflow-x: auto; padding-top: 9px; padding-bottom: 9px; scrollbar-width: thin; white-space: nowrap; }
.channel-scroll a { flex: 0 0 auto; color: var(--muted); font-size: 14px; line-height: 1; padding: 9px 13px; border-radius: 999px; }
.channel-scroll a:hover, .channel-scroll a.active { color: var(--deep); background: rgba(28,168,246,.10); }
main { min-height: 60vh; }
.banner-slider { width: min(1200px, calc(100% - 40px)); height: clamp(280px, 31vw, 380px); margin: 24px auto 34px; border-radius: 22px; background: #fff; box-shadow: 0 16px 40px rgba(8,119,201,.10); overflow: hidden; position: relative; z-index: 1; }
.banner-slider .slide { display: none; width: 100%; height: 100%; }
.banner-slider .slide.active { display: block; }
.banner-slider img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.slider-arrow { position: absolute; top: 50%; z-index: 3; width: 44px; height: 44px; transform: translateY(-50%); border: none; border-radius: 999px; background: rgba(255,255,255,.90); color: var(--primary); box-shadow: 0 8px 20px rgba(8,119,201,.14); cursor: pointer; font-size: 25px; }
.slider-arrow.prev { left: 14px; }
.slider-arrow.next { right: 14px; }
.slider-dots { position: absolute; left: 50%; bottom: 14px; z-index: 3; display: flex; gap: 8px; transform: translateX(-50%); }
.slider-dots button { width: 10px; height: 10px; padding: 0; border: 0; border-radius: 50%; background: rgba(28,168,246,.28); cursor: pointer; }
.slider-dots button.active { background: var(--primary); box-shadow: 0 0 0 4px rgba(28,168,246,.15); }
.section { padding: 34px 0; }
.section.alt { background: linear-gradient(180deg, rgba(234,247,255,.75), rgba(244,251,255,.2)); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 22px; }
.section-kicker { display: block; margin-bottom: 5px; color: var(--primary); font-size: 13px; font-weight: 900; letter-spacing: .12em; }
h1, h2, h3, .section-title { color: var(--deep); line-height: 1.35; }
h1 { margin: 0 0 18px; font-size: clamp(30px, 5vw, 48px); }
h2 { margin: 0 0 12px; font-size: clamp(24px, 3vw, 32px); }
h3 { margin: 0 0 10px; font-size: 20px; }
p { margin: 0 0 14px; }
.lead { color: var(--muted); font-size: 18px; }
.text-link { color: var(--deep); font-weight: 800; }
.text-link:hover { color: var(--primary); }
.card, .zone-card, .info-card, .review-card, .faq-item, .notice-box, .hero-panel, .platform-strip { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 22px; }
.card, .zone-card, .info-card, .review-card, .hero-panel { padding: 24px; }
.hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 28px; align-items: center; }
.hero-copy { padding: 12px 0; }
.hero-visual { min-height: 300px; display: grid; place-items: center; background: linear-gradient(145deg, #fff, #EAF7FF); border-radius: 24px; border: 1px solid var(--line); overflow: hidden; }
.hero-visual img { width: 100%; max-height: 340px; object-fit: contain; }
.hero-actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-top: 22px; }
.pill-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.pill-item { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 18px; box-shadow: 0 10px 28px rgba(8,119,201,.06); }
.pill-item strong { display: block; color: var(--deep); margin-bottom: 6px; }
.pill-item p { color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.platform-strip { padding: 24px 28px; background: linear-gradient(120deg, #fff, #EAF7FF); }
.info-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.info-card .num { display: inline-grid; place-items: center; width: 38px; height: 38px; margin-bottom: 14px; color: #fff; font-weight: 900; border-radius: 12px; background: var(--gradient); }
.two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.three-col { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.card-img { width: 100%; height: 190px; margin-bottom: 18px; object-fit: contain; background: #F8FCFF; border-radius: 16px; }
.feature-row { display: grid; grid-template-columns: .86fr 1.14fr; gap: 28px; align-items: center; }
.feature-row.reverse { grid-template-columns: 1.14fr .86fr; }
.content-img-wrap { min-height: 250px; display: grid; place-items: center; background: #fff; border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); overflow: hidden; }
.content-img { width: 100%; max-height: 300px; object-fit: contain; }
.points { margin: 16px 0 18px; padding: 0; list-style: none; }
.points li { position: relative; margin: 8px 0; padding-left: 24px; }
.points li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 900; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review-card p { color: var(--muted); }
.review-card strong { color: var(--deep); }
.faq-list { display: grid; gap: 14px; }
.faq-item { padding: 20px 22px; }
.faq-item h3 { font-size: 18px; }
.faq-item p { color: var(--muted); margin: 0; }
.page-hero { padding: 52px 0 28px; }
.page-hero .hero-panel { background: linear-gradient(135deg, #fff 0%, #EAF7FF 100%); }
.breadcrumbs { margin-bottom: 12px; color: var(--soft); font-size: 14px; }
.breadcrumbs a { color: var(--primary); }
.content-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; }
.note-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.note-list article { padding: 18px; border-radius: 18px; background: #F5FBFF; border: 1px solid var(--line); }
.notice-box { padding: 22px; background: #EDF8FF; }
.notice-box strong { color: var(--deep); }
.timeline { display: grid; gap: 14px; counter-reset: step; }
.timeline article { position: relative; padding: 20px 20px 20px 66px; background: #fff; border: 1px solid var(--line); border-radius: 18px; }
.timeline article::before { counter-increment: step; content: counter(step); position: absolute; left: 18px; top: 18px; width: 32px; height: 32px; display: grid; place-items: center; color: #fff; font-weight: 900; border-radius: 50%; background: var(--gradient); }
.floating-service { position: fixed; right: 18px; top: 42%; z-index: 60; display: grid; gap: 8px; width: 96px; }
.floating-service a, .floating-service button { display: flex; justify-content: center; padding: 10px 8px; border: 1px solid rgba(28,168,246,.14); border-radius: 12px; background: #fff; color: var(--deep); box-shadow: 0 14px 30px rgba(8,119,201,.10); cursor: pointer; font-size: 13px; }
.floating-service a.register-link { background: var(--gradient); color: #fff; border-color: transparent; font-weight: 800; }
.mobile-drawer { position: fixed; left: 0; top: 0; bottom: 0; z-index: 310; width: min(84vw, 320px); transform: translateX(-105%); transition: transform .22s ease; background: #fff; box-shadow: 20px 0 50px rgba(8,42,70,.22); overflow-y: auto; }
.mobile-drawer.open { transform: translateX(0); }
.drawer-overlay { position: fixed; inset: 0; z-index: 300; opacity: 0; background: rgba(8,42,70,.48); transition: opacity .22s ease; }
.drawer-overlay.show { opacity: 1; }
.drawer-head { position: sticky; top: 0; z-index: 2; display: flex; justify-content: space-between; align-items: center; padding: 16px; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); }
.drawer-head img { width: 132px; max-height: 44px; object-fit: contain; }
.drawer-close { width: 40px; height: 40px; border: 0; border-radius: 12px; background: #EAF7FF; color: var(--deep); font-size: 28px; cursor: pointer; }
.drawer-nav { padding: 10px 14px 28px; }
.drawer-nav a { display: flex; justify-content: space-between; align-items: center; padding: 13px 10px; color: var(--text); border-bottom: 1px solid rgba(28,168,246,.08); }
.drawer-nav a.active { color: var(--deep); font-weight: 800; background: #F2FAFF; border-radius: 10px; }
.site-footer { margin-top: 52px; padding: 48px 0 22px; background: #082A46; color: #EAF8FF; }
.footer-grid { display: grid; grid-template-columns: 1.7fr repeat(3, 1fr); gap: 32px; }
.footer-grid section { min-width: 0; }
.footer-grid h2 { color: #fff; font-size: 17px; }
.footer-grid a { display: block; margin: 8px 0; color: #CBEFFF; }
.footer-grid a:hover { color: #fff; }
.footer-brand img { width: 156px; max-height: 54px; object-fit: contain; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer-brand p, .compliance-note { color: #B9D8EA; }
.compliance-note { margin-top: 30px; padding: 20px 0; border-top: 1px solid rgba(255,255,255,.12); border-bottom: 1px solid rgba(255,255,255,.12); font-size: 14px; }
.compliance-note p { margin: 0; }
.copyright { padding-top: 18px; color: #9FC8DE; font-size: 13px; }
.mobile-bottom-nav { display: none; }

@media (max-width: 1280px) {
    .floating-service { display: none; }
}
@media (max-width: 980px) {
    .top-nav { grid-template-columns: 170px 1fr auto; }
    .nav-core { gap: 16px; }
    .info-grid { grid-template-columns: repeat(2, 1fr); }
    .three-col, .review-grid { grid-template-columns: repeat(2, 1fr); }
    .pill-nav { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
    .footer-grid section:last-child { grid-column: 2 / 4; }
}
@media (max-width: 760px) {
    body { padding-bottom: calc(72px + env(safe-area-inset-bottom)); }
    .container { width: min(100% - 28px, 1200px); }
    .site-header { position: sticky; }
    .top-nav { height: 64px; grid-template-columns: 44px 1fr auto; gap: 10px; }
    .mobile-menu-btn { display: block; }
    .brand-logo { justify-content: center; overflow: hidden; }
    .brand-logo img { width: min(132px, 32vw); max-height: 42px; }
    .nav-core, .channel-bar { display: none; }
    .header-register { min-height: 38px; padding: 8px 16px; font-size: 14px; }
    .banner-slider { width: calc(100% - 28px); height: clamp(160px, 50vw, 220px); margin: 16px auto 24px; border-radius: 16px; }
    .slider-arrow { width: 38px; height: 38px; }
    .slider-arrow.prev { left: 8px; }
    .slider-arrow.next { right: 8px; }
    .section { padding: 25px 0; }
    .section-head { align-items: start; flex-direction: column; margin-bottom: 16px; }
    .hero-grid, .content-grid, .feature-row, .feature-row.reverse, .two-col { grid-template-columns: 1fr; }
    .hero-visual { min-height: 210px; }
    .hero-visual img { max-height: 260px; }
    .three-col, .review-grid, .info-grid, .pill-nav, .note-list { grid-template-columns: 1fr; }
    .card, .zone-card, .info-card, .review-card, .hero-panel { padding: 20px; }
    .card-img { height: 165px; }
    .content-img-wrap { min-height: 200px; }
    .page-hero { padding-top: 32px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-grid section:last-child { grid-column: auto; }
    .mobile-bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 250; display: grid; grid-template-columns: repeat(4, 1fr); padding: 8px 8px calc(8px + env(safe-area-inset-bottom)); background: rgba(255,255,255,.97); border-top: 1px solid var(--line); box-shadow: 0 -8px 24px rgba(8,119,201,.10); backdrop-filter: blur(12px); }
    .mobile-bottom-nav a { display: grid; justify-items: center; gap: 2px; color: var(--muted); font-size: 12px; }
    .mobile-bottom-nav a span { display: grid; place-items: center; min-width: 30px; height: 28px; padding: 0 5px; color: var(--deep); font-size: 13px; font-weight: 900; border-radius: 10px; background: #EAF7FF; }
    .mobile-bottom-nav a.active { color: var(--deep); font-weight: 800; }
}
@media (max-width: 430px) {
    h1 { font-size: 30px; }
    h2 { font-size: 24px; }
    .container { width: calc(100% - 22px); }
    .header-register { padding-inline: 13px; }
    .brand-logo img { width: 116px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-grid section:last-child { grid-column: auto; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}