@charset "UTF-8";
:root {
    --bg: #E6EBF2;
    --bg-soft: #F5F7FB;
    --white: #FFFFFF;
    --panel: #EEF2F7;
    --panel-strong: #DDE4EE;
    --primary: #289CFF;
    --primary-soft: rgba(40, 156, 255, 0.10);
    --nav: #4E5F7A;
    --text: #243447;
    --muted: #66788A;
    --subtle: #8A9AAF;
    --border: rgba(40, 156, 255, 0.16);
    --shadow: 0 14px 36px rgba(56, 92, 138, 0.10);
    --shadow-lg: 0 18px 40px rgba(56, 92, 138, 0.12);
    --gradient: linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
    --header-height: 130px;
}
* { 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; padding-top: var(--header-height); }
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, .section-title { color: var(--primary); line-height: 1.3; margin-top: 0; }
h1 { font-size: clamp(2rem, 4.4vw, 4rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.45rem, 2.5vw, 2.25rem); }
h3 { font-size: 1.15rem; }
p { margin: 0; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 20000; background: var(--white); color: var(--primary); padding: 10px 14px; border-radius: 10px; box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }
.site-header { position: fixed; inset: 0 0 auto; z-index: 9000; background: rgba(245,247,251,0.94); backdrop-filter: blur(10px); box-shadow: 0 8px 24px rgba(56,92,138,0.10); }
.header-inner { max-width: 1240px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 76px; }
.logo { display: inline-flex; align-items: center; flex: 0 0 auto; }
.logo img { max-height: 52px; width: auto; display: block; object-fit: contain; }
.nav-core { flex: 1 1 auto; display: flex; justify-content: center; gap: 24px; white-space: nowrap; flex-wrap: nowrap; }
.nav-core a { color: var(--nav); position: relative; font-weight: 600; padding: 10px 8px; border-radius: 12px; transition: .2s ease; }
.nav-core a:hover, .nav-core a.active { color: var(--primary); background: var(--primary-soft); }
.nav-core a.active::after { content: ""; position: absolute; left: 50%; bottom: -8px; 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: 11px 24px; background: var(--gradient); color: var(--white); border-radius: 999px; font-weight: 700; border: 0; box-shadow: 0 10px 24px rgba(36,155,255,.24); transition: transform .2s ease, box-shadow .2s ease; white-space: nowrap; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(36,155,255,.32); }
.header-register { min-width: 92px; flex: 0 0 auto; }
.channel-bar { background: rgba(255,255,255,0.78); border-top: 1px solid rgba(40,156,255,0.10); border-bottom: 1px solid rgba(40,156,255,0.10); overflow-x: auto; white-space: nowrap; scrollbar-width: thin; }
.channel-inner { max-width: 1240px; margin: 0 auto; padding: 9px 20px; display: flex; gap: 7px; }
.channel-bar a { color: var(--muted); border-radius: 999px; padding: 7px 12px; font-size: .92rem; transition: .2s ease; }
.channel-bar a:hover, .channel-bar a.active { color: var(--primary); background: var(--primary-soft); }
.mobile-header { display: none; min-height: 66px; padding: 0 14px; align-items: center; justify-content: space-between; gap: 10px; }
.menu-toggle { width: 44px; height: 44px; display: grid; place-content: center; gap: 5px; border: 0; background: transparent; border-radius: 12px; }
.menu-toggle span { width: 23px; height: 2px; background: var(--nav); border-radius: 999px; }
.mobile-logo img { max-height: 42px; }
.mobile-register { min-height: 40px; padding: 8px 17px; }
.drawer-overlay { position: fixed; inset: 0; background: rgba(20,38,59,.45); opacity: 0; visibility: hidden; transition: .25s ease; z-index: 9998; }
.mobile-drawer { position: fixed; inset: 0 auto 0 0; width: min(84vw, 320px); background: var(--white); transform: translateX(-105%); transition: .28s ease; z-index: 10000; padding: 18px; display: flex; flex-direction: column; box-shadow: 20px 0 60px rgba(20,38,59,.18); overflow-y: auto; }
.drawer-open .drawer-overlay { opacity: 1; visibility: visible; }
.drawer-open .mobile-drawer { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.drawer-close { width: 42px; height: 42px; border: 0; background: var(--bg-soft); color: var(--nav); border-radius: 50%; font-size: 1.65rem; line-height: 1; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 18px 0; }
.drawer-nav a { padding: 11px 12px; border-radius: 12px; color: var(--nav); background: var(--bg-soft); font-size: .94rem; }
.drawer-nav a:hover { color: var(--primary); background: var(--primary-soft); }
.drawer-register { margin-top: auto; width: 100%; }
.floating-service { position: fixed; right: 18px; top: 42%; z-index: 60; display: grid; gap: 8px; }
.floating-service a, .floating-service button { width: 58px; min-height: 46px; display: grid; place-items: center; background: var(--white); color: var(--primary); border: 1px solid var(--border); box-shadow: 0 14px 30px rgba(56,92,138,0.12); border-radius: 14px; font-size: .88rem; font-weight: 700; }
.floating-service a.register-link { background: var(--gradient); color: var(--white); }
.mobile-bottom-nav { display: none; }
main { min-height: 60vh; }
.section-shell { width: min(1200px, calc(100% - 40px)); margin: 0 auto 36px; }
.banner-slider { width: min(1200px, calc(100% - 40px)); height: clamp(300px, 31vw, 390px); margin: 28px auto 36px; border-radius: 22px; background: var(--white); box-shadow: var(--shadow-lg); 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: var(--white); }
.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; width: 46px; height: 46px; border: none; border-radius: 999px; background: rgba(255,255,255,0.88); color: var(--primary); box-shadow: 0 8px 20px rgba(56,92,138,0.16); }
.slider-arrow::before { content: ""; position: absolute; width: 10px; height: 10px; border-top: 3px solid var(--primary); border-right: 3px solid var(--primary); top: 50%; left: 50%; }
.slider-arrow.prev { left: 16px; }
.slider-arrow.next { right: 16px; }
.slider-arrow.prev::before { transform: translate(-35%, -50%) rotate(-135deg); }
.slider-arrow.next::before { transform: translate(-65%, -50%) rotate(45deg); }
.slider-dots { position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%); display: flex; gap: 8px; z-index: 3; padding: 7px 10px; background: rgba(255,255,255,.72); border-radius: 999px; }
.slider-dots button { width: 9px; height: 9px; padding: 0; border-radius: 50%; border: none; background: rgba(40,156,255,0.24); }
.slider-dots button.active { background: var(--primary); }
.eyebrow { display: inline-flex; margin-bottom: 12px; color: var(--primary); font-size: .9rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.intro-feature, .electronic-feature, .service-visual, .about-summary { display: grid; grid-template-columns: 1.1fr .9fr; gap: 34px; align-items: center; padding: 36px; border-radius: 26px; background: rgba(255,255,255,.92); border: 1px solid var(--border); box-shadow: var(--shadow); }
.intro-copy h1 { margin-bottom: 20px; }
.intro-copy p { color: var(--muted); font-size: 1.03rem; }
.intro-media, .service-visual figure, .about-summary figure, .electronic-feature figure { margin: 0; border-radius: 20px; background: var(--bg-soft); overflow: hidden; min-height: 260px; display: grid; place-items: center; }
.intro-media img, .service-visual img, .about-summary img, .electronic-feature img { width: 100%; height: 100%; max-height: 300px; object-fit: contain; }
.hero-actions { display: flex; align-items: center; gap: 16px; margin-top: 24px; flex-wrap: wrap; }
.text-link { color: var(--primary); font-weight: 700; }
.text-link::after { content: " →"; }
.section-heading { display: flex; align-items: flex-start; gap: 18px; margin-bottom: 22px; }
.section-heading > span { flex: 0 0 auto; min-width: 58px; height: 42px; display: grid; place-items: center; color: var(--primary); background: var(--primary-soft); border-radius: 999px; font-weight: 800; }
.section-heading h2 { margin-bottom: 6px; }
.section-heading p { color: var(--muted); }
.section-heading.compact { align-items: center; }
.shortcut-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.shortcut-card { min-height: 126px; padding: 20px; border-radius: 18px; background: rgba(255,255,255,.9); border: 1px solid var(--border); box-shadow: var(--shadow); display: flex; flex-direction: column; justify-content: space-between; transition: .2s ease; }
.shortcut-card:hover { transform: translateY(-3px); border-color: rgba(40,156,255,.34); }
.shortcut-card strong { color: var(--primary); font-size: 1.05rem; }
.shortcut-card span { color: var(--muted); font-size: .9rem; }
.three-service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card, .zone-card, .info-card, .review-card, .feature-card, .media-card { background: rgba(255,255,255,0.92); border: 1px solid var(--border); box-shadow: var(--shadow); }
.info-card { padding: 26px; border-radius: 20px; }
.card-index { color: var(--primary); font-weight: 800; font-size: .85rem; }
.info-card h2 { margin: 12px 0; font-size: 1.35rem; }
.info-card p { color: var(--muted); }
.split-feature { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.feature-card { padding: 30px; border-radius: 22px; }
.feature-card p { color: var(--muted); margin-bottom: 18px; }
.product-matrix { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { padding: 24px; border-radius: 18px; }
.card p { color: var(--muted); margin-bottom: 14px; }
.card a { color: var(--primary); font-weight: 700; }
.electronic-feature { grid-template-columns: .9fr 1.1fr; }
.electronic-feature p, .service-visual p, .about-summary p { color: var(--muted); margin-bottom: 18px; }
.zone-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.zone-card { border-radius: 20px; overflow: hidden; }
.zone-card img { width: 100%; height: 180px; object-fit: contain; background: var(--bg-soft); }
.zone-card div { padding: 22px; }
.zone-card p { color: var(--muted); margin-bottom: 14px; }
.zone-card a { color: var(--primary); font-weight: 700; }
.media-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.media-card { display: grid; grid-template-columns: .8fr 1.2fr; border-radius: 22px; overflow: hidden; }
.media-card img { width: 100%; height: 100%; min-height: 250px; object-fit: contain; background: var(--bg-soft); }
.media-card div { padding: 26px; }
.media-card p { color: var(--muted); margin-bottom: 14px; }
.media-card a { color: var(--primary); font-weight: 700; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.review-card { margin: 0; padding: 24px; border-radius: 18px; color: var(--muted); }
.review-card::before { content: "“"; display: block; color: var(--primary); font-size: 2.2rem; line-height: .8; margin-bottom: 10px; }
.help-summary { display: grid; grid-template-columns: 1fr .9fr; gap: 24px; align-items: center; padding: 32px; border-radius: 24px; background: var(--panel); }
.help-summary p { color: var(--muted); margin-bottom: 16px; }
.mini-faq { display: grid; gap: 10px; }
.mini-faq a { padding: 14px 16px; border-radius: 14px; background: var(--white); color: var(--nav); border: 1px solid var(--border); }
.faq-list { display: grid; gap: 12px; }
.faq-list details { background: rgba(255,255,255,.92); border: 1px solid var(--border); border-radius: 16px; padding: 0 20px; box-shadow: 0 8px 24px rgba(56,92,138,.06); }
.faq-list summary { color: var(--text); font-weight: 700; cursor: pointer; padding: 18px 4px; }
.faq-list details p { color: var(--muted); padding: 0 4px 20px; }
.compliance-strip { padding: 24px 28px; border-radius: 20px; background: #DDE4EE; display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: center; }
.compliance-strip strong { color: var(--primary); white-space: nowrap; }
.compliance-strip p { color: var(--muted); }
.page-hero { margin-top: 28px; display: grid; grid-template-columns: 1.08fr .92fr; gap: 32px; align-items: center; padding: 38px; border-radius: 26px; background: rgba(255,255,255,.92); border: 1px solid var(--border); box-shadow: var(--shadow-lg); }
.page-hero.single-hero { grid-template-columns: 1fr; }
.page-hero-copy p { color: var(--muted); font-size: 1.02rem; max-width: 760px; }
.page-hero-media { margin: 0; background: var(--bg-soft); border-radius: 20px; min-height: 280px; display: grid; place-items: center; overflow: hidden; }
.page-hero-media img { width: 100%; max-height: 300px; object-fit: contain; }
.lead-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.content-section { padding: 34px; border-radius: 24px; }
.content-section.soft-panel { background: var(--panel); }
.prose-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-bottom: 20px; }
.prose-grid p { color: var(--muted); background: rgba(255,255,255,.74); padding: 20px; border-radius: 16px; border: 1px solid rgba(40,156,255,.10); }
.detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.notice-panel { display: grid; grid-template-columns: .75fr 1.25fr; gap: 24px; padding: 30px; border-radius: 22px; background: var(--white); border: 1px solid var(--border); box-shadow: var(--shadow); }
.notice-panel ul { margin: 0; padding-left: 20px; color: var(--muted); display: grid; gap: 10px; }
.faq-page { max-width: 980px; }
.site-footer { background: var(--text); color: #EAF3FF; margin-top: 52px; padding: 48px 20px 24px; }
.footer-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.35fr; gap: 36px; }
.footer-brand p, .footer-grid > div > p { color: rgba(234,243,255,.76); }
.footer-grid h2 { color: #EAF3FF; font-size: 1.05rem; margin-bottom: 14px; }
.footer-grid a { display: block; color: rgba(234,243,255,.8); margin: 7px 0; }
.footer-logo img { max-height: 50px; filter: brightness(1.08); margin-bottom: 16px; }
.footer-bottom { max-width: 1200px; margin: 32px auto 0; padding-top: 20px; border-top: 1px solid rgba(234,243,255,.14); display: flex; justify-content: space-between; gap: 16px; color: rgba(234,243,255,.6); font-size: .9rem; }
@media (max-width: 1080px) {
    .floating-service { display: none; }
    .shortcut-grid { grid-template-columns: repeat(3, 1fr); }
    .zone-row, .product-matrix { grid-template-columns: repeat(2, 1fr); }
    .media-card { grid-template-columns: 1fr; }
    .media-card img { min-height: 210px; max-height: 240px; }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-grid > div:last-child { grid-column: 1 / -1; }
}
@media (max-width: 820px) {
    :root { --header-height: 66px; }
    body { padding-top: var(--header-height); padding-bottom: 72px; }
    .desktop-header, .channel-bar { display: none; }
    .mobile-header { display: flex; }
    .mobile-bottom-nav { position: fixed; display: grid; grid-template-columns: repeat(4, 1fr); inset: auto 0 0; z-index: 8500; min-height: 64px; padding-bottom: env(safe-area-inset-bottom); background: rgba(255,255,255,.96); backdrop-filter: blur(12px); border-top: 1px solid var(--border); box-shadow: 0 -8px 24px rgba(56,92,138,.08); }
    .mobile-bottom-nav a { display: grid; place-items: center; color: var(--nav); font-weight: 700; font-size: .9rem; }
    .mobile-bottom-nav a:hover { color: var(--primary); }
    .banner-slider { width: calc(100% - 24px); height: clamp(230px, 48vw, 320px); margin-top: 16px; border-radius: 18px; }
    .section-shell { width: calc(100% - 24px); margin-bottom: 24px; }
    .intro-feature, .electronic-feature, .service-visual, .about-summary, .page-hero { grid-template-columns: 1fr; padding: 24px; gap: 22px; }
    .page-hero { margin-top: 16px; }
    .intro-media, .service-visual figure, .about-summary figure, .electronic-feature figure, .page-hero-media { min-height: 220px; }
    .three-service-grid, .lead-points, .review-grid { grid-template-columns: 1fr; }
    .shortcut-grid { grid-template-columns: repeat(2, 1fr); }
    .split-feature, .media-pair, .help-summary, .notice-panel { grid-template-columns: 1fr; }
    .zone-row, .product-matrix, .detail-grid { grid-template-columns: 1fr 1fr; }
    .prose-grid { grid-template-columns: 1fr; }
    .content-section { padding: 24px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid > div:last-child { grid-column: auto; }
}
@media (max-width: 560px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.45rem; }
    .banner-slider { height: clamp(170px, 52vw, 230px); }
    .slider-arrow { width: 40px; height: 40px; }
    .slider-arrow.prev { left: 8px; }
    .slider-arrow.next { right: 8px; }
    .shortcut-grid, .zone-row, .product-matrix, .detail-grid { grid-template-columns: 1fr; }
    .shortcut-card { min-height: 106px; }
    .section-heading { gap: 12px; }
    .section-heading > span { min-width: 48px; height: 38px; }
    .media-card img { min-height: 180px; }
    .compliance-strip { grid-template-columns: 1fr; gap: 8px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; }
    .drawer-nav { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}