:root {
    --bg: #F4FBFF;
    --surface: #FFFFFF;
    --surface-soft: #EAF7FF;
    --primary: #1CA8F6;
    --primary-light: #38C7FF;
    --primary-dark: #0877C9;
    --cyan: #7FE4FF;
    --ink: #223044;
    --ink-deep: #1D2A3A;
    --muted: #5F7082;
    --muted-soft: #7A8A9A;
    --footer: #082A46;
    --radius-lg: 24px;
    --radius-md: 18px;
    --shadow: 0 16px 40px rgba(8,119,201,.08);
    --border: 1px solid rgba(28,168,246,.12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
a, button { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.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);
}
.header-main { height: 74px; display: grid; grid-template-columns: 190px 1fr auto; align-items: center; gap: 28px; }
.brand-logo { display: inline-flex; align-items: center; max-width: 172px; }
.brand-logo img { width: 166px; height: 48px; object-fit: contain; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: clamp(18px, 3vw, 38px); white-space: nowrap; }
.nav-core a { position: relative; color: var(--ink-deep); font-weight: 700; padding: 10px 2px; }
.nav-core a:hover, .nav-core a.active { color: var(--primary); }
.nav-core a.active::after { content: ""; position: absolute; left: 50%; bottom: 0; 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; border-radius: 999px; color: #fff; font-weight: 800; background: linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%); 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,.26); }
.header-register { min-width: 90px; flex: 0 0 auto; }
.channel-bar { background: rgba(234,247,255,.88); border-top: 1px solid rgba(28,168,246,.1); border-bottom: 1px solid rgba(28,168,246,.1); overflow-x: auto; white-space: nowrap; scrollbar-width: thin; }
.channel-inner { display: flex; gap: 8px; padding-block: 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(--primary-dark); background: rgba(28,168,246,.1); }
.menu-toggle { display: none; width: 42px; height: 42px; border: 0; border-radius: 12px; background: var(--surface-soft); padding: 10px; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; border-radius: 10px; background: var(--primary-dark); }
.site-main { min-height: 60vh; }
.hero { padding: 54px 0 24px; }
.hero-shell { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 42px; background: linear-gradient(135deg,#fff 0%,#EDF8FF 100%); border: var(--border); border-radius: 30px; box-shadow: var(--shadow); padding: clamp(28px, 5vw, 58px); }
.hero-copy .eyebrow, .section-kicker { display: inline-flex; color: var(--primary); font-weight: 800; letter-spacing: .08em; font-size: 13px; text-transform: uppercase; }
h1, h2, h3, .section-title { color: var(--primary-dark); line-height: 1.32; }
h1 { margin: 12px 0 18px; font-size: clamp(32px, 5vw, 54px); }
h2 { font-size: clamp(24px, 3.5vw, 34px); }
h3 { font-size: 20px; }
.hero-copy p { color: var(--muted); font-size: 17px; margin-bottom: 24px; }
.hero-visual { min-height: 260px; display: grid; place-items: center; background: #fff; border-radius: var(--radius-lg); padding: 18px; }
.hero-visual img { width: 100%; max-height: 330px; object-fit: contain; }
.section { padding: 38px 0; }
.section-soft { background: linear-gradient(180deg, rgba(234,247,255,.72), rgba(244,251,255,0)); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.section-head p { max-width: 680px; margin: 0; color: var(--muted); }
.card, .zone-card, .info-card, .review-card, .faq-item, .notice-card, .content-panel, .pill-item {
    background: var(--surface); border: var(--border); box-shadow: var(--shadow); border-radius: var(--radius-md);
}
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.content-panel { padding: 26px; }
.content-panel p, .card p, .zone-card p, .info-card p, .review-card p { color: var(--muted); }
.content-panel ul, .feature-list { margin: 18px 0 0; padding-left: 20px; color: var(--muted); }
.text-link { display: inline-flex; margin-top: 14px; color: var(--primary-dark); font-weight: 800; }
.text-link:hover { color: var(--primary); }
.card, .zone-card { overflow: hidden; }
.card-body, .zone-body { padding: 22px; }
.card img, .zone-card img { width: 100%; height: 180px; object-fit: contain; background: #fff; padding: 10px; }
.banner-slider { max-width: 1200px; height: clamp(280px, 31vw, 380px); margin: 24px auto 34px; border-radius: 22px; background: #fff; box-shadow: 0 16px 40px rgba(8,119,201,.1); 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%; transform: translateY(-50%); z-index: 3; width: 44px; height: 44px; border: 0; border-radius: 999px; background: rgba(255,255,255,.9); color: var(--primary); box-shadow: 0 8px 20px rgba(8,119,201,.14); cursor: pointer; }
.slider-arrow:hover { background: #fff; }
.slider-prev { left: 16px; }
.slider-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: 10px; height: 10px; padding: 0; border-radius: 50%; border: 0; background: rgba(28,168,246,.24); cursor: pointer; }
.slider-dots button.active { background: var(--primary); }
.brand-intro { display: grid; grid-template-columns: .92fr 1.08fr; gap: 28px; align-items: center; }
.brand-intro .image-shell { background: #fff; border: var(--border); box-shadow: var(--shadow); border-radius: var(--radius-lg); padding: 18px; }
.brand-intro img { width: 100%; max-height: 300px; object-fit: contain; }
.quick-pills { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.pill-item { padding: 19px; }
.pill-item strong { display: block; color: var(--primary-dark); margin-bottom: 6px; }
.pill-item span { display: block; color: var(--muted); font-size: 14px; min-height: 48px; }
.strip { padding: 24px 28px; border-radius: var(--radius-lg); background: linear-gradient(135deg,#fff,#EAF7FF); border: var(--border); box-shadow: var(--shadow); }
.info-card { padding: 22px; }
.info-card .num { display: inline-flex; color: var(--primary); font-size: 25px; font-weight: 900; margin-bottom: 8px; }
.review-card { padding: 22px; }
.review-card strong { color: var(--primary-dark); }
.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); }
.notice-card { padding: 24px 26px; border-left: 5px solid var(--primary); }
.notice-card p { margin: 0; color: var(--muted); }
.image-text { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: center; }
.image-text.reverse { grid-template-columns: 1.1fr .9fr; }
.image-box { background: #fff; border: var(--border); box-shadow: var(--shadow); border-radius: var(--radius-lg); padding: 16px; }
.image-box img { width: 100%; max-height: 290px; object-fit: contain; }
.feature-list li { margin-bottom: 8px; }
.floating-service { position: fixed; right: 18px; top: 42%; z-index: 60; display: grid; gap: 8px; }
.floating-service a, .floating-service button { min-width: 92px; padding: 10px 12px; text-align: center; border-radius: 13px; background: #fff; color: var(--primary-dark); border: 1px solid rgba(28,168,246,.14); box-shadow: 0 14px 30px rgba(8,119,201,.1); cursor: pointer; }
.floating-service .register-link { color: #fff; border-color: transparent; background: linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%); }
.site-footer { margin-top: 54px; background: var(--footer); color: #EAF8FF; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 34px; padding: 48px 0 28px; }
.footer-brand img { width: 170px; height: 52px; object-fit: contain; margin-bottom: 14px; filter: drop-shadow(0 6px 14px rgba(127,228,255,.2)); }
.footer-grid h2 { color: #fff; font-size: 17px; margin: 0 0 14px; }
.footer-grid a { display: block; color: #CBEFFF; margin: 8px 0; }
.footer-grid a:hover { color: #fff; }
.footer-grid p { color: #CBE3F1; }
.compliance-note { padding: 20px 0; border-top: 1px solid rgba(255,255,255,.12); }
.compliance-note p { margin: 0; color: #CBE3F1; font-size: 14px; }
.footer-bottom { padding: 18px 20px; text-align: center; background: rgba(0,0,0,.12); color: #CBE3F1; font-size: 14px; }
.mobile-drawer, .drawer-mask, .mobile-bottom { display: none; }
.table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: var(--border); box-shadow: var(--shadow); background: #fff; }
.info-table { width: 100%; border-collapse: collapse; min-width: 620px; }
.info-table th, .info-table td { padding: 15px 18px; border-bottom: 1px solid rgba(28,168,246,.1); text-align: left; }
.info-table th { color: var(--primary-dark); background: #F2FAFF; }
.info-table td { color: var(--muted); }
.contact-types { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.contact-types article { padding: 22px; background: #fff; border: var(--border); border-radius: var(--radius-md); box-shadow: var(--shadow); }
.contact-types h3 { margin-top: 0; }
.contact-types p { color: var(--muted); margin-bottom: 0; }
@media (max-width: 1040px) {
    .container { width: min(100% - 28px, 980px); }
    .header-main { grid-template-columns: 170px 1fr auto; gap: 18px; }
    .nav-core { gap: 18px; }
    .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .floating-service { display: none; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
    body { padding-bottom: 70px; }
    .container { width: min(100% - 24px, 720px); }
    .header-main { height: 66px; grid-template-columns: 44px 1fr auto; gap: 10px; }
    .menu-toggle { display: block; }
    .brand-logo { justify-self: center; max-width: 150px; }
    .brand-logo img { width: 145px; height: 42px; }
    .nav-core, .channel-bar { display: none; }
    .header-register { min-width: 74px; min-height: 38px; padding: 7px 16px; }
    .banner-slider { width: calc(100% - 24px); height: clamp(160px, 48vw, 220px); margin: 14px auto 24px; border-radius: 16px; }
    .slider-arrow { width: 36px; height: 36px; }
    .slider-prev { left: 8px; }
    .slider-next { right: 8px; }
    .hero { padding-top: 26px; }
    .hero-shell, .brand-intro, .image-text, .image-text.reverse { grid-template-columns: 1fr; gap: 22px; padding: 24px; }
    .hero-visual { min-height: 210px; }
    .grid-2, .grid-3, .grid-4, .quick-pills, .contact-types { grid-template-columns: 1fr; }
    .section { padding: 28px 0; }
    .section-head { align-items: start; flex-direction: column; }
    .card img, .zone-card img { height: 165px; }
    .footer-grid { grid-template-columns: 1fr; gap: 22px; }
    .drawer-mask { display: block; position: fixed; inset: 0; z-index: 160; background: rgba(8,42,70,.42); opacity: 0; pointer-events: none; transition: opacity .25s ease; }
    .mobile-drawer { display: block; position: fixed; inset: 0 auto 0 0; width: min(84vw, 320px); z-index: 170; background: #fff; transform: translateX(-105%); transition: transform .25s ease; box-shadow: 20px 0 50px rgba(8,42,70,.18); overflow-y: auto; }
    .drawer-open .drawer-mask { opacity: 1; pointer-events: auto; }
    .drawer-open .mobile-drawer { transform: translateX(0); }
    .drawer-open { overflow: hidden; }
    .drawer-head { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 15px 16px; background: #fff; border-bottom: 1px solid rgba(28,168,246,.12); }
    .drawer-head img { width: 148px; height: 44px; object-fit: contain; }
    .drawer-close { width: 40px; height: 40px; border-radius: 12px; border: 0; background: var(--surface-soft); color: var(--primary-dark); font-size: 28px; line-height: 1; }
    .drawer-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; padding: 14px; }
    .drawer-nav a { padding: 11px 12px; color: var(--muted); background: #F7FCFF; border-radius: 12px; text-align: center; font-size: 14px; }
    .drawer-nav a.active { color: #fff; background: linear-gradient(135deg,#38C7FF,#0877C9); }
    .mobile-bottom { display: grid; position: fixed; left: 0; right: 0; bottom: 0; z-index: 140; grid-template-columns: repeat(4, 1fr); background: rgba(255,255,255,.96); backdrop-filter: blur(12px); border-top: 1px solid rgba(28,168,246,.15); padding: 8px 8px max(8px, env(safe-area-inset-bottom)); box-shadow: 0 -10px 30px rgba(8,119,201,.09); }
    .mobile-bottom a { display: grid; place-items: center; min-height: 44px; color: var(--primary-dark); font-weight: 700; font-size: 14px; border-radius: 12px; }
    .mobile-bottom a:active { background: var(--surface-soft); }
}
@media (max-width: 390px) {
    .brand-logo img { width: 125px; }
    .header-register { min-width: 66px; padding-inline: 13px; }
    .drawer-nav { grid-template-columns: 1fr; }
}