:root {
    --bg: #E6EBF2;
    --surface: #FFFFFF;
    --surface-soft: #F5F7FB;
    --surface-alt: #EEF2F7;
    --border: rgba(40,156,255,.16);
    --primary: #289CFF;
    --primary-dark: #1277D4;
    --text: #243447;
    --muted: #66788A;
    --footer: #243447;
    --shadow: 0 14px 36px rgba(56,92,138,.10);
    --radius: 20px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; line-height: 1.75; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }
.container { width: min(1440px, calc(100% - 40px)); margin-inline: auto; }
.site-header { position: fixed; inset: 0 0 auto; z-index: 1000; background: rgba(245,247,251,.94); backdrop-filter: blur(10px); box-shadow: 0 8px 24px rgba(56,92,138,.10); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 76px; }
.logo { flex: 0 0 auto; }
.logo img { max-height: 52px; width: auto; }
.nav-core { display: flex; justify-content: center; gap: 24px; white-space: nowrap; flex-wrap: nowrap; margin-left: auto; }
.nav-core a { color: #4E5F7A; position: relative; font-weight: 700; padding: 8px 5px; }
.nav-core a:hover, .nav-core a.active { color: var(--primary); }
.nav-core a.active::after { content: ""; position: absolute; left: 50%; bottom: -10px; 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(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%); color: #fff; border-radius: 999px; font-weight: 800; box-shadow: 0 10px 24px rgba(36,155,255,.25); transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(36,155,255,.32); }
.header-register { flex: 0 0 auto; min-width: 88px; }
.mobile-menu-btn { display: none; width: 42px; height: 42px; border: 0; border-radius: 13px; background: #fff; padding: 10px; box-shadow: 0 8px 18px rgba(56,92,138,.10); }
.mobile-menu-btn span { display: block; height: 2px; background: var(--primary); margin: 5px 0; border-radius: 99px; }
.page-offset { height: 96px; }
.site-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 28px; align-items: start; }
.side-channel { position: sticky; top: 102px; max-height: calc(100vh - 122px); overflow: auto; background: rgba(255,255,255,.92); border: 1px solid var(--border); border-radius: 18px; box-shadow: 0 14px 32px rgba(56,92,138,.10); padding: 18px; }
.side-channel h2 { margin: 0 0 10px; font-size: 17px; color: var(--primary); }
.side-channel nav { display: grid; gap: 4px; }
.side-channel a { color: var(--muted); border-radius: 12px; padding: 9px 12px; font-size: 14px; }
.side-channel a:hover, .side-channel a.active { color: var(--primary); background: rgba(40,156,255,.10); }
.site-main { min-width: 0; padding-bottom: 54px; }
h1, h2, h3, .section-title { color: var(--primary); line-height: 1.3; }
h1 { font-size: clamp(32px, 4vw, 56px); margin: 12px 0 18px; }
h2 { font-size: clamp(25px, 3vw, 36px); margin: 8px 0 12px; }
h3 { font-size: 20px; margin: 0 0 10px; }
p { margin: 0 0 14px; color: var(--muted); }
.card, .zone-card, .info-card, .review-card { background: rgba(255,255,255,.92); border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: var(--radius); }
.breadcrumb { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 0 0 16px; font-size: 14px; color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-weight: 800; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 22px; height: 3px; border-radius: 999px; background: linear-gradient(90deg,#32D1F6,#249BFF); }
.page-hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: center; padding: clamp(26px, 4vw, 54px); margin-bottom: 32px; overflow: hidden; }
.page-hero-copy p { max-width: 720px; font-size: 17px; }
.page-hero-media { border-radius: 18px; background: var(--surface-soft); padding: 14px; min-height: 250px; display: grid; place-items: center; }
.page-hero-media img { width: 100%; height: 280px; object-fit: contain; }
.section-block { margin: 44px 0; }
.section-heading { max-width: 860px; margin-bottom: 22px; }
.section-heading p { font-size: 16px; }
.cards-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.cards-grid.four { grid-template-columns: repeat(4, minmax(0,1fr)); }
.cards-grid.two { grid-template-columns: repeat(2, minmax(0,1fr)); }
.info-card { overflow: hidden; transition: transform .2s ease, box-shadow .2s ease; }
.info-card:hover { transform: translateY(-4px); box-shadow: 0 18px 42px rgba(56,92,138,.15); }
.card-image { width: 100%; height: 180px; object-fit: contain; background: #fff; padding: 12px; }
.card-body { padding: 22px; }
.text-link { display: inline-flex; align-items: center; gap: 7px; color: var(--primary); font-weight: 800; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.split-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.zone-card { overflow: hidden; }
.zone-media { background: #fff; padding: 14px; }
.zone-media img { width: 100%; height: 230px; object-fit: contain; }
.zone-copy { padding: 24px; }
.feature-panel { display: grid; grid-template-columns: .95fr 1.05fr; gap: 30px; align-items: center; padding: 28px; margin: 40px 0; }
.feature-panel.reverse .feature-media { order: 2; }
.feature-media { border-radius: 18px; background: #fff; overflow: hidden; }
.feature-media img { width: 100%; height: 280px; object-fit: contain; padding: 12px; }
.quick-links { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 12px; }
.quick-link { background: rgba(255,255,255,.9); border: 1px solid var(--border); border-radius: 16px; padding: 16px; min-height: 126px; display: flex; flex-direction: column; justify-content: space-between; box-shadow: 0 10px 25px rgba(56,92,138,.08); }
.quick-link strong { color: var(--primary); font-size: 17px; }
.quick-link span { color: var(--muted); font-size: 14px; }
.banner-slider { width: 100%; margin: 0 auto 36px; border-radius: 22px; background: #fff; box-shadow: 0 18px 40px rgba(56,92,138,.12); overflow: hidden; position: relative; z-index: 1; height: 360px; }
.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; }
.banner-caption, .banner-text, .slide-title, .slide-desc, .slide-content, .slide-card, .banner-card { display: none !important; }
.slider-arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; border: none; width: 44px; height: 44px; border-radius: 999px; background: rgba(255,255,255,.88); color: var(--primary); box-shadow: 0 8px 20px rgba(56,92,138,.16); 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: 10px; height: 10px; padding: 0; border-radius: 50%; border: none; background: rgba(40,156,255,.24); cursor: pointer; }
.slider-dots button.active { background: var(--primary); box-shadow: 0 0 0 4px rgba(40,156,255,.16); }
.reviews-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.review-card { margin: 0; padding: 22px; }
.review-card p { color: var(--text); }
.review-card footer { color: var(--primary); font-weight: 800; }
.faq-list { display: grid; gap: 12px; }
.faq-item { background: rgba(255,255,255,.92); border: 1px solid var(--border); border-radius: 15px; box-shadow: 0 8px 24px rgba(56,92,138,.07); overflow: hidden; }
.faq-item summary { cursor: pointer; list-style: none; padding: 18px 22px; color: var(--text); font-weight: 800; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 20px; color: var(--primary); }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding: 0 22px 20px; margin: 0; }
.compliance-card { margin: 40px 0 10px; padding: 26px 30px; background: linear-gradient(135deg,rgba(255,255,255,.95),rgba(238,242,247,.95)); }
.compliance-card ul { margin: 12px 0 0; padding-left: 20px; color: var(--muted); }
.floating-service { position: fixed; right: 18px; top: 42%; z-index: 60; display: grid; gap: 8px; }
.floating-service a, .floating-service button { min-width: 58px; min-height: 44px; border-radius: 13px; background: #fff; color: var(--primary); border: 1px solid var(--border); box-shadow: 0 14px 30px rgba(56,92,138,.12); display: grid; place-items: center; font-weight: 800; cursor: pointer; }
.floating-service a.register-link { background: linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%); color: #fff; }
.drawer-overlay { position: fixed; inset: 0; background: rgba(25,39,56,.42); z-index: 9998; opacity: 0; visibility: hidden; transition: .25s ease; }
.mobile-drawer { position: fixed; inset: 0 auto 0 0; width: min(84vw,320px); background: #fff; z-index: 10000; transform: translateX(-102%); transition: transform .25s ease; box-shadow: 22px 0 50px rgba(36,52,71,.20); overflow-y: auto; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 18px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: #fff; z-index: 2; }
.drawer-logo img { max-height: 44px; width: auto; }
.drawer-close { width: 40px; height: 40px; border: 0; border-radius: 12px; background: var(--surface-soft); color: var(--primary); font-size: 28px; }
.drawer-nav { display: grid; padding: 14px; gap: 4px; }
.drawer-nav a { padding: 12px 14px; border-radius: 12px; color: var(--muted); font-weight: 700; }
.drawer-nav a:hover, .drawer-nav a.active { background: rgba(40,156,255,.10); color: var(--primary); }
body.drawer-open { overflow: hidden; }
body.drawer-open .drawer-overlay { opacity: 1; visibility: visible; }
body.drawer-open .mobile-drawer { transform: translateX(0); }
.mobile-bottom-nav { display: none; }
.global-reminder { background: #DDE4EE; border-top: 1px solid rgba(36,52,71,.08); }
.reminder-inner { display: flex; gap: 18px; align-items: flex-start; padding-block: 22px; }
.reminder-inner strong { color: var(--text); white-space: nowrap; }
.reminder-inner p { margin: 0; }
.site-footer { background: var(--footer); color: #EAF3FF; padding: 48px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3,1fr); gap: 34px; }
.footer-brand img { max-height: 50px; width: auto; margin-bottom: 16px; }
.site-footer h2 { color: #fff; font-size: 18px; margin-top: 0; }
.site-footer p { color: rgba(234,243,255,.75); }
.site-footer a { display: block; color: rgba(234,243,255,.78); margin: 8px 0; }
.site-footer a:hover { color: #fff; }
.footer-bottom { margin-top: 30px; padding-top: 18px; border-top: 1px solid rgba(234,243,255,.14); color: rgba(234,243,255,.68); font-size: 14px; }
.contact-list { display: grid; gap: 12px; padding: 0; list-style: none; }
.contact-list li { padding: 16px 18px; background: #fff; border: 1px solid var(--border); border-radius: 14px; color: var(--muted); }

@media (max-width: 1180px) {
    .site-layout { grid-template-columns: 190px minmax(0,1fr); gap: 20px; }
    .quick-links { grid-template-columns: repeat(3,minmax(0,1fr)); }
    .cards-grid.four { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .floating-service { display: none; }
}
@media (max-width: 900px) {
    .container { width: min(100% - 28px, 900px); }
    .header-inner { min-height: 68px; gap: 12px; }
    .nav-core, .side-channel { display: none; }
    .mobile-menu-btn { display: block; flex: 0 0 auto; }
    .logo { margin-inline: auto; }
    .logo img { max-height: 44px; }
    .header-register { min-width: 76px; min-height: 40px; padding-inline: 18px; }
    .page-offset { height: 84px; }
    .site-layout { display: block; }
    .page-hero { grid-template-columns: 1fr; }
    .page-hero-media { min-height: 0; }
    .page-hero-media img { height: 250px; }
    .cards-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .reviews-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .feature-panel { grid-template-columns: 1fr; }
    .feature-panel.reverse .feature-media { order: 0; }
    .footer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .banner-slider { height: 290px; }
}
@media (max-width: 640px) {
    body { padding-bottom: 72px; }
    .container { width: min(100% - 20px, 640px); }
    .header-inner { min-height: 64px; }
    .header-register { min-width: 66px; min-height: 38px; padding-inline: 14px; font-size: 14px; }
    .logo img { max-height: 40px; max-width: 136px; }
    .page-offset { height: 76px; }
    .site-main { padding-bottom: 34px; }
    h1 { font-size: 31px; }
    h2 { font-size: 25px; }
    .page-hero { padding: 24px; gap: 18px; }
    .page-hero-copy p { font-size: 15px; }
    .page-hero-media img { height: 210px; }
    .banner-slider { height: 210px; border-radius: 18px; margin-bottom: 24px; }
    .slider-arrow { width: 38px; height: 38px; font-size: 24px; }
    .slider-arrow.prev { left: 10px; }
    .slider-arrow.next { right: 10px; }
    .quick-links, .cards-grid, .cards-grid.four, .cards-grid.two, .split-grid, .reviews-grid { grid-template-columns: 1fr; }
    .quick-link { min-height: 105px; }
    .section-block { margin: 34px 0; }
    .feature-panel { padding: 20px; margin: 30px 0; }
    .feature-media img, .zone-media img { height: 210px; }
    .footer-grid { grid-template-columns: 1fr; gap: 22px; }
    .reminder-inner { display: block; }
    .mobile-bottom-nav { position: fixed; display: grid; grid-template-columns: repeat(4,1fr); left: 0; right: 0; bottom: 0; z-index: 900; background: rgba(255,255,255,.96); backdrop-filter: blur(10px); border-top: 1px solid var(--border); padding: 8px 10px calc(8px + env(safe-area-inset-bottom)); box-shadow: 0 -8px 24px rgba(56,92,138,.12); }
    .mobile-bottom-nav a { display: grid; place-items: center; min-height: 46px; color: var(--muted); font-weight: 800; border-radius: 12px; font-size: 13px; }
    .mobile-bottom-nav a.active { color: var(--primary); background: rgba(40,156,255,.10); }
    .card-image { height: 170px; }
}