* { box-sizing: border-box; }
:root {
    --bg: #F4FBFF;
    --white: #FFFFFF;
    --soft: #EAF7FF;
    --soft-2: #F2FAFF;
    --primary: #1CA8F6;
    --bright: #38C7FF;
    --deep: #0877C9;
    --cyan: #7FE4FF;
    --ink: #223044;
    --heading: #0877C9;
    --muted: #5F7082;
    --quiet: #7A8A9A;
    --footer: #082A46;
    --line: rgba(28, 168, 246, .14);
    --shadow: 0 16px 40px rgba(8, 119, 201, .09);
    --radius: 22px;
}
html { scroll-behavior: smooth; }
body {
    margin: 0;
    padding-top: 126px;
    background: var(--bg);
    color: var(--ink);
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}
body.drawer-open { overflow: 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% - 40px)); margin-inline: auto; }
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    background: rgba(255,255,255,.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 24px rgba(8,119,201,.08);
}
.topbar { height: 76px; display: flex; align-items: center; gap: 32px; }
.brand-logo { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand-logo img { width: 156px; max-height: 50px; object-fit: contain; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 8px; margin-left: auto; }
.nav-core a { position: relative; padding: 10px 14px; color: #1D2A3A; border-radius: 999px; font-weight: 700; white-space: nowrap; }
.nav-core a:hover, .nav-core a.active { color: var(--primary); background: rgba(28,168,246,.07); }
.nav-core a.active::after { content: ""; position: absolute; left: 50%; bottom: -7px; 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: 0 24px; border: 0; border-radius: 999px; background: linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%); color: #fff; font-weight: 800; 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 32px rgba(8,119,201,.24); }
.header-register { margin-left: 8px; flex: 0 0 auto; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 9px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.menu-toggle span { display: block; width: 100%; height: 2px; margin: 4px 0; border-radius: 999px; background: var(--deep); }
.channel-bar { height: 50px; background: rgba(234,247,255,.9); border-top: 1px solid rgba(28,168,246,.10); border-bottom: 1px solid rgba(28,168,246,.10); overflow-x: auto; overflow-y: hidden; scrollbar-width: none; }
.channel-bar::-webkit-scrollbar { display: none; }
.channel-inner { display: flex; align-items: center; gap: 8px; min-height: 49px; white-space: nowrap; }
.channel-bar a { display: inline-flex; align-items: center; min-height: 32px; padding: 0 13px; border-radius: 999px; color: var(--muted); font-size: 14px; }
.channel-bar a:hover, .channel-bar a.active { color: var(--deep); background: rgba(28,168,246,.1); }
.drawer-overlay { position: fixed; inset: 0; z-index: 118; background: rgba(8,42,70,.42); opacity: 0; transition: opacity .2s ease; }
.drawer-overlay.show { opacity: 1; }
.mobile-drawer { position: fixed; inset: 0 auto 0 0; z-index: 120; width: min(84vw, 320px); padding: 18px; background: #fff; box-shadow: 20px 0 50px rgba(8,42,70,.2); transform: translateX(-105%); 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: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.drawer-logo img { width: 142px; max-height: 48px; object-fit: contain; }
.drawer-close { width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 50%; background: var(--soft-2); color: var(--deep); font-size: 28px; line-height: 1; }
.drawer-nav { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 9px; padding: 18px 0; }
.drawer-nav a { padding: 10px 12px; border: 1px solid rgba(28,168,246,.10); border-radius: 12px; background: var(--soft-2); color: var(--muted); font-size: 14px; }
.drawer-nav a.active { color: var(--deep); background: var(--soft); border-color: rgba(28,168,246,.26); font-weight: 700; }
.drawer-note { margin: 0; padding: 14px; border-radius: 14px; background: #EDF8FF; color: var(--muted); font-size: 13px; }
.floating-service { position: fixed; right: 18px; top: 42%; z-index: 60; display: grid; gap: 8px; width: 92px; }
.floating-service a, .floating-service button { display: flex; align-items: center; justify-content: center; min-height: 40px; padding: 8px; border: 1px solid rgba(28,168,246,.14); border-radius: 13px; background: #fff; color: var(--deep); box-shadow: 0 14px 30px rgba(8,119,201,.10); font-size: 13px; cursor: pointer; }
.floating-service a.register-link { border: 0; background: linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%); color: #fff; font-weight: 800; }
main { display: block; }
.section { padding: 38px 0; }
.section-tight { padding: 24px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 22px; margin-bottom: 22px; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 6px; color: var(--primary); font-size: 13px; font-weight: 800; letter-spacing: .08em; }
.section-kicker::before { content: ""; width: 26px; height: 3px; border-radius: 999px; background: var(--bright); }
h1, h2, h3, .section-title { margin-top: 0; color: var(--heading); line-height: 1.3; }
h1 { margin-bottom: 16px; font-size: clamp(30px, 4vw, 50px); }
h2 { margin-bottom: 12px; font-size: clamp(24px, 3vw, 34px); }
h3 { margin-bottom: 8px; font-size: 20px; }
p { margin-top: 0; }
.lead { color: var(--muted); font-size: 17px; }
.text-link { color: var(--deep); font-weight: 800; }
.text-link:hover { color: var(--primary); }
.card, .zone-card, .info-card, .review-card, .panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.card { padding: 24px; }
.soft-card { background: linear-gradient(145deg,#fff 0%,#EDF8FF 100%); }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; }
.content-img { width: 100%; height: 220px; object-fit: contain; border-radius: 16px; background: #F7FCFF; }
.image-card { overflow: hidden; padding: 0; }
.image-card .content-img { border-radius: 0; }
.image-card .card-body { padding: 22px; }
.tag { display: inline-flex; align-items: center; min-height: 28px; padding: 0 11px; margin-bottom: 10px; border-radius: 999px; background: var(--soft); color: var(--deep); font-size: 13px; font-weight: 800; }
.feature-list { display: grid; gap: 9px; margin: 16px 0 18px; padding: 0; list-style: none; }
.feature-list li { position: relative; padding-left: 22px; color: var(--muted); }
.feature-list li::before { content: ""; position: absolute; left: 0; top: .72em; width: 8px; height: 8px; border-radius: 50%; background: linear-gradient(135deg,var(--bright),var(--deep)); box-shadow: 0 0 0 4px rgba(28,168,246,.10); }
.banner-slider { position: relative; z-index: 1; width: min(1180px, calc(100% - 40px)); height: clamp(280px, 31vw, 370px); margin: 24px auto 34px; overflow: hidden; border-radius: 22px; background: #fff; box-shadow: 0 16px 40px rgba(8,119,201,.10); }
.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: 0; border-radius: 999px; background: rgba(255,255,255,.9); color: var(--primary); box-shadow: 0 8px 20px rgba(8,119,201,.14); font-size: 28px; cursor: pointer; }
.slider-arrow:hover { background: #fff; color: var(--deep); }
.slider-arrow.prev { left: 16px; }
.slider-arrow.next { right: 16px; }
.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(255,255,255,.75); }
.brand-intro { display: grid; grid-template-columns: 1.16fr .84fr; gap: 28px; align-items: center; padding: 30px; }
.brand-intro .content-img { height: 280px; }
.quick-capsules { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.capsule { padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 10px 26px rgba(8,119,201,.06); }
.capsule h3 { font-size: 17px; }
.capsule p { min-height: 50px; margin-bottom: 8px; color: var(--muted); font-size: 14px; }
.intro-strip { padding: 24px 28px; border: 1px solid rgba(28,168,246,.14); border-radius: 20px; background: linear-gradient(110deg,#fff 0%,#EAF7FF 55%,#F2FAFF 100%); box-shadow: var(--shadow); }
.intro-strip p { margin: 0; color: var(--muted); }
.info-card { padding: 22px; }
.info-card .num { display: inline-flex; width: 42px; height: 42px; align-items: center; justify-content: center; margin-bottom: 14px; border-radius: 14px; background: var(--soft); color: var(--primary); font-weight: 900; }
.info-card p { color: var(--muted); }
.zone-card { overflow: hidden; }
.zone-card img { width: 100%; height: 180px; object-fit: contain; background: #F7FCFF; }
.zone-card .body { padding: 20px; }
.zone-card p { color: var(--muted); }
.notice-wall { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.notice-item { padding: 22px; border-left: 4px solid var(--primary); border-radius: 18px; background: #fff; box-shadow: 0 12px 28px rgba(8,119,201,.07); }
.notice-item p { margin-bottom: 8px; color: var(--muted); }
.review-card { padding: 22px; }
.review-card .reviewer { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; color: var(--deep); font-weight: 800; }
.review-card .avatar { display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: 50%; background: var(--soft); color: var(--primary); }
.review-card p { margin: 0; color: var(--muted); }
.faq-list { display: grid; gap: 12px; }
details.faq-item { border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: 0 10px 24px rgba(8,119,201,.05); }
details.faq-item summary { padding: 18px 20px; color: var(--deep); font-weight: 800; cursor: pointer; }
details.faq-item p { padding: 0 20px 18px; margin: 0; color: var(--muted); }
.page-hero { padding: 44px 0 24px; }
.page-hero-card { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 30px; min-height: 340px; padding: 34px; border-radius: 28px; background: linear-gradient(135deg,#FFFFFF 0%,#EAF7FF 58%,#F4FBFF 100%); border: 1px solid var(--line); box-shadow: var(--shadow); }
.page-hero-card.no-image { grid-template-columns: 1fr; min-height: 260px; }
.page-hero-card .hero-visual img { width: 100%; height: 280px; object-fit: contain; border-radius: 20px; background: rgba(255,255,255,.72); }
.hero-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.hero-meta span { display: inline-flex; min-height: 30px; align-items: center; padding: 0 12px; border-radius: 999px; background: rgba(255,255,255,.8); color: var(--muted); font-size: 13px; }
.inner-sections { display: grid; gap: 22px; }
.inner-section { padding: 28px; }
.inner-section p { color: var(--muted); }
.inner-section .feature-list { grid-template-columns: repeat(2,minmax(0,1fr)); }
.feedback-strip { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.feedback-strip blockquote { margin: 0; padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: #fff; color: var(--muted); box-shadow: 0 10px 24px rgba(8,119,201,.05); }
.feedback-strip cite { display: block; margin-top: 12px; color: var(--deep); font-style: normal; font-weight: 800; }
.responsible-box { padding: 24px; border-radius: 20px; background: #082A46; color: #EAF8FF; }
.responsible-box h2 { color: #fff; }
.responsible-box p { margin-bottom: 0; color: #D7F2FF; }
.site-footer { margin-top: 54px; background: var(--footer); color: #EAF8FF; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3,1fr); gap: 34px; padding: 54px 0 36px; }
.footer-logo img { width: 154px; max-height: 54px; object-fit: contain; filter: drop-shadow(0 5px 14px rgba(127,228,255,.18)); }
.footer-brand p { max-width: 440px; margin-top: 18px; color: #B9D9EB; }
.footer-grid h2 { margin-bottom: 14px; color: #fff; font-size: 17px; }
.footer-grid section:not(.footer-brand) { display: flex; flex-direction: column; gap: 8px; }
.footer-grid section:not(.footer-brand) a { color: #C8E5F4; font-size: 14px; }
.footer-grid a:hover { color: #7FE4FF; }
.compliance-note { padding: 20px 0 26px; border-top: 1px solid rgba(234,248,255,.12); }
.compliance-note p { margin: 0; color: #B9D9EB; font-size: 13px; }
.footer-bottom { border-top: 1px solid rgba(234,248,255,.12); }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 20px; padding: 18px 0; color: #9FC5D8; font-size: 13px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1100px) {
    .floating-service { display: none; }
    .grid-4 { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .footer-grid { grid-template-columns: 1.5fr repeat(3,1fr); gap: 24px; }
}
@media (max-width: 860px) {
    body { padding-top: 72px; padding-bottom: 76px; }
    .container { width: min(100% - 28px, 760px); }
    .site-header { height: 72px; }
    .topbar { width: 100%; height: 72px; padding: 0 14px; gap: 10px; }
    .menu-toggle { display: block; flex: 0 0 auto; }
    .brand-logo { position: absolute; left: 50%; transform: translateX(-50%); }
    .brand-logo img { width: 128px; max-height: 44px; }
    .nav-core, .channel-bar { display: none; }
    .header-register { margin-left: auto; min-width: 76px; min-height: 40px; padding: 0 18px; }
    .banner-slider { width: calc(100% - 28px); height: clamp(170px, 47vw, 250px); margin-top: 16px; margin-bottom: 26px; border-radius: 18px; }
    .slider-arrow { width: 38px; height: 38px; font-size: 24px; }
    .brand-intro, .page-hero-card { grid-template-columns: 1fr; }
    .brand-intro .content-img, .page-hero-card .hero-visual img { height: 230px; }
    .quick-capsules, .grid-3, .feedback-strip { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .grid-2, .notice-wall { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .footer-brand { grid-column: 1 / -1; }
    .mobile-bottom-nav { position: fixed; inset: auto 0 0 0; z-index: 95; display: grid; grid-template-columns: repeat(4,1fr); min-height: 64px; padding-bottom: env(safe-area-inset-bottom); border-top: 1px solid var(--line); background: rgba(255,255,255,.96); backdrop-filter: blur(12px); box-shadow: 0 -8px 24px rgba(8,119,201,.10); }
    .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; color: var(--muted); font-size: 12px; }
    .mobile-bottom-nav a span { min-width: 28px; height: 26px; display: inline-flex; align-items: center; justify-content: center; border-radius: 9px; background: var(--soft-2); color: var(--deep); font-size: 11px; font-weight: 900; }
    .mobile-bottom-nav a.active { color: var(--deep); font-weight: 800; }
    .mobile-bottom-nav a.active span { background: var(--soft); color: var(--primary); }
}
@media (max-width: 620px) {
    .section { padding: 28px 0; }
    .section-head { align-items: flex-start; flex-direction: column; gap: 6px; }
    .grid-4, .grid-3, .quick-capsules, .feedback-strip { grid-template-columns: 1fr; }
    .card, .inner-section { padding: 21px; }
    .brand-intro, .page-hero-card { padding: 22px; border-radius: 22px; }
    .brand-intro .content-img, .page-hero-card .hero-visual img { height: 200px; }
    .content-img { height: 190px; }
    .zone-card img { height: 165px; }
    .inner-section .feature-list { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; padding-top: 42px; }
    .footer-bottom .container { flex-direction: column; gap: 2px; }
    .drawer-nav { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 420px) {
    .brand-logo img { width: 112px; }
    .header-register { min-width: 68px; padding: 0 14px; }
    .menu-toggle { width: 40px; height: 40px; }
    .slider-arrow { width: 34px; height: 34px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { grid-column: auto; }
}