:root {
    --bg: #EAF2FB;
    --surface: #FFFFFF;
    --surface-soft: #F4F8FF;
    --surface-blue: #EDF5FF;
    --line: rgba(47,168,247,.14);
    --primary: #2FA8F7;
    --bright: #45C7FF;
    --deep: #137CD8;
    --soft-blue: #7DD9FF;
    --ink: #24364F;
    --muted: #5D718A;
    --footer: #102B46;
    --radius-lg: 24px;
    --radius-md: 18px;
    --shadow: 0 16px 40px rgba(19,124,216,.08);
    --header-h: 78px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.75; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
main { min-height: 55vh; }
.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(19,124,216,.08); }
.header-main { height: var(--header-h); display: grid; grid-template-columns: 190px 1fr 104px; align-items: center; gap: 24px; }
.brand-logo img { width: 152px; max-height: 54px; object-fit: contain; }
.nav-core { display: flex; justify-content: center; align-items: center; gap: clamp(18px, 2.4vw, 34px); }
.nav-core a { color: var(--ink); position: relative; font-weight: 650; padding: 10px 2px; white-space: nowrap; }
.nav-core a:hover, .nav-core a.active { color: var(--primary); }
.nav-core a.active::after { content: ""; position: absolute; left: 50%; bottom: -11px; 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: 44px; padding: 0 24px; background: linear-gradient(135deg, #45C7FF 0%, #2FA8F7 48%, #137CD8 100%); color: #fff; border-radius: 999px; box-shadow: 0 12px 26px rgba(19,124,216,.18); font-weight: 700; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 15px 30px rgba(19,124,216,.26); }
.header-register { justify-self: end; min-width: 92px; }
.channel-bar { background: rgba(244,248,255,.92); border-top: 1px solid rgba(47,168,247,.10); border-bottom: 1px solid rgba(47,168,247,.10); overflow-x: auto; white-space: nowrap; scrollbar-width: none; }
.channel-bar::-webkit-scrollbar { display: none; }
.channel-inner { display: flex; gap: 8px; padding-top: 9px; padding-bottom: 9px; }
.channel-bar a { color: var(--muted); border-radius: 999px; padding: 7px 13px; font-size: 14px; }
.channel-bar a:hover, .channel-bar a.active { color: var(--deep); background: rgba(47,168,247,.08); }
.menu-toggle { display: none; border: 0; background: transparent; width: 42px; height: 42px; padding: 9px; }
.menu-toggle span { display: block; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 3px; }
.mobile-drawer { position: fixed; inset: 0 auto 0 0; width: min(84vw, 320px); background: #fff; z-index: 130; transform: translateX(-105%); transition: transform .24s ease; box-shadow: 18px 0 50px rgba(16,43,70,.16); overflow-y: auto; }
.mobile-drawer.open { transform: translateX(0); }
.drawer-overlay { position: fixed; inset: 0; background: rgba(16,43,70,.46); z-index: 120; opacity: 0; transition: opacity .22s ease; }
.drawer-overlay.show { opacity: 1; }
.drawer-head { min-height: 76px; display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.drawer-logo img { width: 136px; max-height: 48px; object-fit: contain; }
.drawer-close { width: 40px; height: 40px; border: 0; border-radius: 50%; background: var(--surface-soft); color: var(--deep); font-size: 30px; line-height: 1; }
.drawer-nav { padding: 14px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.drawer-nav a { padding: 11px 12px; border-radius: 12px; color: var(--muted); background: var(--surface-soft); font-size: 15px; }
.drawer-nav a.active, .drawer-nav a:hover { background: var(--surface-blue); color: var(--deep); }
body.drawer-open { overflow: hidden; }
.floating-service { position: fixed; right: 18px; top: 42%; z-index: 60; display: grid; gap: 8px; width: 92px; }
.floating-service a, .floating-service button { border: 1px solid rgba(47,168,247,.14); background: #fff; color: var(--deep); box-shadow: 0 14px 30px rgba(19,124,216,.10); border-radius: 13px; padding: 10px 8px; text-align: center; font-size: 13px; cursor: pointer; }
.floating-service a.register-link { background: linear-gradient(135deg, #45C7FF 0%, #2FA8F7 48%, #137CD8 100%); color: #fff; border: 0; }
.banner-wrap { background: var(--bg); padding: 34px 16px 14px; }
.banner-slider { max-width: 1200px; margin: 0 auto; border-radius: 22px; background: #fff; box-shadow: 0 18px 42px rgba(19,124,216,.14); overflow: hidden; position: relative; z-index: 1; min-height: 360px; }
.banner-slider .slide { display: none; height: clamp(360px, 37vw, 470px); }
.banner-slider .slide.active { display: block; }
.banner-slider img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.slider-arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; width: 46px; height: 46px; border: 0; border-radius: 999px; background: rgba(255,255,255,.9); color: var(--primary); box-shadow: 0 8px 20px rgba(19,124,216,.14); font-size: 28px; cursor: pointer; }
.slider-arrow.prev { left: 16px; }
.slider-arrow.next { right: 16px; }
.slider-dots { position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%); display: flex; gap: 8px; z-index: 3; }
.slider-dots button { width: 9px; height: 9px; padding: 0; border-radius: 50%; border: 0; background: rgba(47,168,247,.24); cursor: pointer; }
.slider-dots button.active { background: var(--primary); }
.section { padding: 42px 0; }
.section.tight { padding: 28px 0; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 22px; }
.section-kicker { color: var(--primary); font-weight: 750; letter-spacing: .08em; font-size: 13px; }
.section-title, h1, h2, h3 { color: var(--deep); line-height: 1.3; }
.section-title { margin: 6px 0 0; font-size: clamp(26px, 3vw, 38px); }
.section-desc { color: var(--muted); max-width: 720px; margin: 8px 0 0; }
.text-link { color: var(--deep); font-weight: 700; display: inline-flex; align-items: center; gap: 4px; }
.text-link::after { content: "→"; }
.surface, .card, .zone-card, .info-card, .review-card, .faq-item, .feature-card, .hero-panel { background: #fff; border: 1px solid rgba(47,168,247,.12); box-shadow: var(--shadow); border-radius: var(--radius-lg); }
.brand-intro { display: grid; grid-template-columns: 1.08fr .92fr; gap: 28px; align-items: center; padding: 30px; }
.brand-intro .copy p { color: var(--muted); font-size: 16px; }
.brand-intro .visual { border-radius: 20px; background: var(--surface-soft); padding: 16px; }
.brand-intro .visual img { width: 100%; max-height: 300px; object-fit: contain; }
.quick-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.quick-item { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 17px 18px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 10px; box-shadow: 0 10px 24px rgba(19,124,216,.05); }
.quick-item strong { color: var(--deep); display: block; }
.quick-item small { display: block; color: var(--muted); margin-top: 2px; }
.quick-item a { color: var(--primary); font-weight: 750; white-space: nowrap; }
.intro-bar { padding: 24px 28px; background: linear-gradient(120deg, #fff 0%, #EDF5FF 100%); border-radius: 22px; border: 1px solid var(--line); color: var(--muted); box-shadow: var(--shadow); }
.info-board { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.info-card { padding: 22px; }
.info-card .num { width: 38px; height: 38px; display: grid; place-items: center; background: var(--surface-blue); border-radius: 12px; color: var(--primary); font-weight: 800; }
.info-card h3 { margin: 16px 0 8px; }
.info-card p { margin: 0; color: var(--muted); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card, .zone-card { overflow: hidden; }
.card img, .zone-card img { width: 100%; height: 210px; object-fit: contain; background: var(--surface-soft); padding: 12px; }
.card-body { padding: 24px; }
.card-body h3 { margin: 0 0 10px; font-size: 22px; }
.card-body p { margin: 0 0 14px; color: var(--muted); }
.point-list { margin: 0 0 15px; padding-left: 1.2em; color: var(--muted); }
.point-list li { margin: 5px 0; }
.product-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 20px; }
.product-panel { padding: 28px; }
.mini-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.mini-links a { padding: 8px 13px; border-radius: 999px; background: var(--surface-blue); color: var(--deep); }
.news-wall { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.news-column { padding: 26px; }
.news-list { display: grid; gap: 12px; margin-top: 16px; }
.news-list a { display: flex; justify-content: space-between; gap: 12px; padding: 13px 0; border-top: 1px solid var(--line); color: var(--ink); }
.news-list a span { color: var(--muted); font-size: 13px; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.review-card { padding: 22px; }
.review-card p { margin: 0; color: var(--muted); }
.review-card strong { display: block; margin-top: 14px; color: var(--deep); }
.faq-list { display: grid; gap: 14px; }
.faq-item { padding: 20px 22px; }
.faq-item h3 { margin: 0 0 8px; font-size: 18px; }
.faq-item p { margin: 0; color: var(--muted); }
.page-hero { padding: 46px 0 24px; }
.hero-panel { display: grid; grid-template-columns: 1.15fr .85fr; gap: 30px; align-items: center; padding: 34px; background: linear-gradient(135deg, #fff 0%, #F4F8FF 60%, #E1ECF8 100%); }
.hero-panel.no-image { grid-template-columns: 1fr; }
.hero-copy h1 { margin: 4px 0 14px; font-size: clamp(34px, 5vw, 56px); }
.hero-copy p { color: var(--muted); max-width: 760px; font-size: 17px; }
.hero-copy .eyebrow { color: var(--primary); font-weight: 800; letter-spacing: .08em; }
.hero-actions { display: flex; gap: 12px; align-items: center; margin-top: 22px; flex-wrap: wrap; }
.hero-visual { background: #fff; border-radius: 22px; padding: 16px; border: 1px solid var(--line); }
.hero-visual img { width: 100%; max-height: 320px; object-fit: contain; }
.content-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; }
.long-copy, .service-box { padding: 28px; }
.long-copy p, .service-box p { color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { padding: 23px; }
.feature-card h3 { margin-top: 0; }
.feature-card p { color: var(--muted); margin-bottom: 0; }
.steps { counter-reset: step; display: grid; gap: 14px; }
.step { counter-increment: step; display: grid; grid-template-columns: 48px 1fr; gap: 14px; align-items: start; padding: 18px; border-radius: 16px; background: var(--surface-soft); }
.step::before { content: counter(step, decimal-leading-zero); width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; background: #fff; color: var(--primary); font-weight: 800; box-shadow: 0 8px 18px rgba(19,124,216,.08); }
.step h3 { margin: 0 0 5px; font-size: 18px; }
.step p { margin: 0; color: var(--muted); }
.notice-box { padding: 24px; border-radius: 18px; background: #EAF6FF; border: 1px solid rgba(47,168,247,.18); color: var(--muted); }
.notice-box strong { color: var(--deep); }
.compliance-strip { padding: 24px 0; background: #E1ECF8; }
.compliance-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.compliance-grid div { background: rgba(255,255,255,.75); border: 1px solid rgba(47,168,247,.12); border-radius: 16px; padding: 17px; }
.compliance-grid strong { display: block; color: var(--deep); margin-bottom: 5px; }
.compliance-grid span { color: var(--muted); font-size: 14px; }
.site-footer { background: var(--footer); color: #EAF6FF; padding: 44px 0 18px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 30px; }
.footer-brand img { width: 150px; max-height: 56px; object-fit: contain; filter: brightness(0) invert(1); }
.footer-brand p { color: rgba(234,246,255,.76); max-width: 420px; }
.site-footer h2 { color: #fff; font-size: 17px; margin: 0 0 14px; }
.site-footer a { display: block; color: rgba(234,246,255,.78); padding: 4px 0; }
.site-footer a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 28px; padding-top: 16px; color: rgba(234,246,255,.62); font-size: 13px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1260px) { .floating-service { display: none; } }
@media (max-width: 900px) {
    .header-main { grid-template-columns: 150px 1fr 96px; }
    .nav-core { gap: 15px; }
    .quick-grid, .grid-3, .review-grid, .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .info-board, .compliance-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero-panel, .brand-intro, .content-grid, .product-layout { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
    :root { --header-h: 64px; }
    body { padding-bottom: 72px; }
    .container { width: min(100% - 24px, 1180px); }
    .header-main { grid-template-columns: 44px 1fr 82px; gap: 10px; height: var(--header-h); }
    .menu-toggle { display: block; }
    .brand-logo { justify-self: center; }
    .brand-logo img { width: 120px; max-height: 44px; }
    .nav-core, .channel-bar { display: none; }
    .header-register { min-width: 78px; min-height: 38px; padding: 0 16px; font-size: 14px; }
    .banner-wrap { padding: 18px 12px 0; }
    .banner-slider { min-height: 190px; border-radius: 16px; }
    .banner-slider .slide { height: clamp(190px, 56vw, 240px); }
    .slider-arrow { width: 38px; height: 38px; font-size: 22px; }
    .section { padding: 30px 0; }
    .section-head { display: block; }
    .section-title { font-size: 28px; }
    .quick-grid, .grid-2, .grid-3, .review-grid, .feature-grid, .news-wall, .info-board, .compliance-grid { grid-template-columns: 1fr; }
    .quick-item { border-radius: 18px; }
    .brand-intro, .hero-panel { padding: 22px; }
    .hero-copy h1 { font-size: 36px; }
    .card img, .zone-card img { height: 180px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 22px; }
    .footer-brand { grid-column: 1 / -1; }
    .mobile-bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 110; display: grid; grid-template-columns: repeat(4, 1fr); background: rgba(255,255,255,.96); backdrop-filter: blur(12px); border-top: 1px solid var(--line); box-shadow: 0 -10px 28px rgba(19,124,216,.10); padding: 7px max(10px, env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left)); }
    .mobile-bottom-nav a { display: grid; justify-items: center; gap: 2px; color: var(--muted); font-size: 12px; }
    .mobile-bottom-nav a span { min-width: 30px; height: 26px; display: grid; place-items: center; border-radius: 10px; background: var(--surface-soft); color: var(--primary); font-size: 11px; font-weight: 800; }
    .mobile-bottom-nav a.active { color: var(--deep); }
    .mobile-bottom-nav a.active span { background: var(--surface-blue); }
}
@media (max-width: 460px) {
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { grid-column: auto; }
    .drawer-nav { grid-template-columns: 1fr; }
}