:root {
    --bg: #F4FBFF;
    --surface: #FFFFFF;
    --soft: #E8F7FF;
    --primary: #10AEEA;
    --primary-deep: #155A9D;
    --text: #24384A;
    --muted: #60758A;
    --line: #CFEAF7;
    --footer: #073A68;
    --shadow: 0 16px 40px rgba(18, 102, 156, .10);
    --radius: 24px;
    --radius-sm: 16px;
    --gradient: linear-gradient(135deg, #35D7FF 0%, #1688D8 100%);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 999; background: #fff; color: var(--primary-deep); padding: 10px 16px; border-radius: 10px; box-shadow: var(--shadow); }
.skip-link:focus { top: 16px; }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); border-bottom: 1px solid rgba(207,234,247,.9); backdrop-filter: blur(14px); }
.header-inner { width: min(1320px, calc(100% - 36px)); min-height: 76px; margin-inline: auto; display: flex; align-items: center; gap: 22px; }
.brand-logo { flex: 0 0 auto; display: flex; align-items: center; width: 148px; }
.brand-logo img { width: 100%; max-height: 48px; object-fit: contain; }
.desktop-nav { margin-left: auto; display: flex; align-items: center; justify-content: flex-end; gap: 2px; white-space: nowrap; min-width: 0; }
.desktop-nav a { position: relative; padding: 10px 9px; color: #35536d; font-size: 14px; font-weight: 650; border-radius: 10px; transition: .2s ease; }
.desktop-nav a:hover, .desktop-nav a.is-active { color: var(--primary-deep); background: var(--soft); }
.desktop-nav a.is-active::after { content: ""; position: absolute; left: 28%; right: 28%; bottom: 3px; height: 2px; border-radius: 2px; background: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.main-btn, .ghost-btn, .text-link { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 44px; border-radius: 999px; font-weight: 750; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.main-btn { padding: 0 24px; color: #fff; background: var(--gradient); box-shadow: 0 10px 24px rgba(22,136,216,.22); }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(22,136,216,.28); }
.ghost-btn { padding: 0 22px; color: var(--primary-deep); background: #fff; border: 1px solid var(--line); }
.ghost-btn:hover { background: var(--soft); }
.text-link { min-height: auto; color: var(--primary-deep); }
.text-link::after { content: "→"; }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; border-radius: 14px; background: var(--soft); padding: 11px; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; border-radius: 2px; background: var(--primary-deep); transition: .2s ease; }
.drawer-overlay { position: fixed; inset: 0; z-index: 190; background: rgba(5, 34, 58, .48); }
.mobile-drawer { position: fixed; top: 0; right: 0; z-index: 200; width: min(380px, 88vw); height: 100dvh; padding: 18px; background: #fff; transform: translateX(105%); transition: transform .28s ease; overflow-y: auto; box-shadow: -20px 0 50px rgba(7,58,104,.2); }
.mobile-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 4px 4px 14px; border-bottom: 1px solid var(--line); }
.drawer-brand { color: var(--primary-deep); font-size: 22px; font-weight: 850; letter-spacing: .04em; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 13px; background: var(--soft); color: var(--primary-deep); font-size: 27px; line-height: 1; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 16px 0; }
.drawer-nav a { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px; border-radius: 13px; background: #f7fcff; color: #31516c; font-size: 14px; font-weight: 650; }
.drawer-nav a:hover { background: var(--soft); color: var(--primary-deep); }
.drawer-register { width: 100%; }
body.drawer-open { overflow: hidden; }
.hero-carousel { width: min(1440px, 100%); margin: 0 auto; padding: 20px 20px 0; }
.carousel { position: relative; overflow: hidden; border-radius: 28px; background: #dceef7; box-shadow: var(--shadow); }
.carousel-track { display: flex; transition: transform .55s cubic-bezier(.22,.7,.25,1); }
.carousel-slide { flex: 0 0 100%; aspect-ratio: 16 / 6.2; min-height: 270px; }
.carousel-slide img { width: 100%; height: 100%; object-fit: contain; background: #eaf7fd; }
.carousel-arrow { position: absolute; top: 50%; z-index: 3; translate: 0 -50%; width: 48px; height: 48px; border: 1px solid rgba(255,255,255,.8); border-radius: 50%; background: rgba(7,58,104,.55); color: #fff; font-size: 28px; line-height: 1; backdrop-filter: blur(5px); }
.carousel-arrow:hover { background: rgba(7,58,104,.8); }
.carousel-arrow.prev { left: 18px; }
.carousel-arrow.next { right: 18px; }
.carousel-dots { position: absolute; z-index: 3; left: 50%; bottom: 16px; translate: -50% 0; display: flex; align-items: center; gap: 8px; padding: 7px 10px; border-radius: 999px; background: rgba(7,58,104,.35); }
.carousel-dot { width: 9px; height: 9px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.6); }
.carousel-dot.is-active { width: 24px; border-radius: 999px; background: #fff; }
.section { padding: 76px 0; }
.section.compact { padding: 54px 0; }
.section.soft { background: var(--soft); }
.section.dark { background: var(--footer); color: #fff; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; margin-bottom: 30px; }
.eyebrow { display: inline-flex; align-items: center; gap: 7px; margin: 0 0 9px; color: var(--primary); font-size: 13px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 24px; height: 3px; border-radius: 99px; background: var(--gradient); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.28; color: var(--primary-deep); }
h1 { margin-bottom: 18px; font-size: clamp(34px, 5vw, 58px); letter-spacing: -.035em; }
h2 { margin-bottom: 14px; font-size: clamp(28px, 3.4vw, 40px); letter-spacing: -.025em; }
h3 { margin-bottom: 10px; font-size: 21px; }
.lead { max-width: 820px; color: #405d75; font-size: clamp(17px, 2vw, 20px); }
.section-head p { max-width: 660px; margin-bottom: 0; color: var(--muted); }
.intro-panel, .page-hero-card, .feature-card, .info-card, .review-card, .faq-item, .notice-card, .metric-card, .category-card, .service-card { background: #fff; border: 1px solid rgba(207,234,247,.92); box-shadow: var(--shadow); }
.intro-panel { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr); gap: 34px; align-items: center; padding: clamp(28px, 5vw, 58px); border-radius: 30px; }
.intro-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.intro-points { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.intro-point { padding: 18px; border-radius: 16px; background: var(--soft); }
.intro-point strong { display: block; margin-bottom: 5px; color: var(--primary-deep); }
.intro-point span { color: var(--muted); font-size: 14px; }
.quick-scroll { display: flex; gap: 12px; overflow-x: auto; padding: 3px 1px 13px; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
.quick-scroll a { flex: 0 0 auto; min-width: 130px; padding: 13px 20px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--primary-deep); font-weight: 750; text-align: center; box-shadow: 0 8px 22px rgba(18,102,156,.06); }
.quick-scroll a:hover { color: #fff; border-color: transparent; background: var(--gradient); }
.grid-2, .grid-3, .grid-4 { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.metric-card, .info-card, .category-card, .service-card { padding: 26px; border-radius: var(--radius-sm); }
.metric-card { position: relative; overflow: hidden; }
.metric-card::after { content: ""; position: absolute; right: -30px; top: -30px; width: 90px; height: 90px; border-radius: 50%; background: rgba(53,215,255,.13); }
.metric-card .number { display: block; margin-bottom: 12px; color: var(--primary); font-size: 31px; font-weight: 900; line-height: 1; }
.metric-card p, .info-card p, .category-card p, .service-card p { margin-bottom: 14px; color: var(--muted); }
.feature-card { display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(320px, .97fr); gap: 0; overflow: hidden; border-radius: 30px; }
.feature-card.reverse { grid-template-columns: minmax(320px, .97fr) minmax(0, 1.03fr); }
.feature-card.reverse .feature-media { order: 2; }
.feature-card.reverse .feature-copy { order: 1; }
.feature-media { min-height: 390px; background: var(--soft); }
.feature-media img { width: 100%; height: 100%; object-fit: contain; }
.feature-copy { padding: clamp(30px, 5vw, 60px); display: flex; flex-direction: column; justify-content: center; }
.feature-copy p { color: var(--muted); }
.feature-list { margin: 16px 0 24px; padding: 0; list-style: none; display: grid; gap: 10px; }
.feature-list li { display: flex; gap: 10px; }
.feature-list li::before { content: "✓"; flex: 0 0 24px; width: 24px; height: 24px; display: inline-grid; place-items: center; border-radius: 50%; background: var(--soft); color: var(--primary-deep); font-size: 13px; font-weight: 900; }
.category-card { display: flex; flex-direction: column; }
.category-card img { width: 100%; aspect-ratio: 16 / 10; margin-bottom: 18px; border-radius: 14px; object-fit: contain; background: var(--soft); }
.category-card .text-link { margin-top: auto; align-self: flex-start; }
.app-banner { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 34px; align-items: center; overflow: hidden; padding: clamp(32px, 5vw, 62px); border-radius: 32px; background: linear-gradient(125deg, #fff 0%, #e9f9ff 53%, #d4f1ff 100%); border: 1px solid var(--line); box-shadow: var(--shadow); }
.app-banner::before { content: ""; position: absolute; width: 270px; height: 270px; right: -80px; top: -100px; border-radius: 50%; background: rgba(53,215,255,.18); }
.app-banner-copy { position: relative; z-index: 2; }
.app-banner img { position: relative; z-index: 2; width: 100%; max-height: 390px; object-fit: contain; }
.notice-card { padding: 28px; border-radius: 20px; border-left: 5px solid var(--primary); }
.notice-card strong { display: block; margin-bottom: 8px; color: var(--primary-deep); font-size: 18px; }
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.review-card { position: relative; padding: 26px; border-radius: 20px; }
.review-card::before { content: "“"; position: absolute; right: 20px; top: 8px; color: #d7f2ff; font-size: 62px; font-family: Georgia, serif; line-height: 1; }
.review-card p { position: relative; z-index: 1; color: #4b6579; }
.review-card span { color: var(--primary-deep); font-size: 14px; font-weight: 800; }
.faq-list { display: grid; gap: 14px; }
.faq-item { overflow: hidden; border-radius: 16px; }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 22px; border: 0; background: #fff; color: var(--primary-deep); text-align: left; font-weight: 800; }
.faq-question span { flex: 0 0 28px; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: var(--soft); transition: transform .2s ease; }
.faq-answer { display: none; padding: 0 22px 22px; color: var(--muted); }
.faq-item.is-open .faq-answer { display: block; }
.faq-item.is-open .faq-question span { transform: rotate(45deg); }
.page-hero { padding: 64px 0 26px; }
.page-hero-card { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(300px, .9fr); gap: 36px; align-items: center; overflow: hidden; padding: clamp(30px, 5vw, 60px); border-radius: 30px; background: linear-gradient(135deg, #fff, #e9f8ff); }
.page-hero-card.no-image { grid-template-columns: 1fr; }
.page-hero-card img { width: 100%; max-height: 390px; object-fit: contain; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 17px; color: var(--muted); font-size: 14px; }
.breadcrumbs a { color: var(--primary-deep); }
.content-prose { max-width: 850px; }
.content-prose p { color: #496378; }
.steps { counter-reset: step; display: grid; gap: 16px; }
.step { position: relative; padding: 24px 24px 24px 76px; border-radius: 18px; background: #fff; border: 1px solid var(--line); }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 22px; top: 22px; width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--gradient); font-weight: 900; }
.inline-nav { display: flex; flex-wrap: wrap; gap: 10px; }
.inline-nav a { padding: 10px 15px; border-radius: 999px; color: var(--primary-deep); background: #fff; border: 1px solid var(--line); font-weight: 700; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.info-table { width: 100%; min-width: 620px; border-collapse: collapse; }
.info-table th, .info-table td { padding: 17px 18px; text-align: left; border-bottom: 1px solid var(--line); }
.info-table th { color: var(--primary-deep); background: #f5fbff; }
.info-table tr:last-child td { border-bottom: 0; }
.contact-form { display: grid; gap: 14px; }
.contact-form label { color: var(--primary-deep); font-weight: 750; }
.contact-form input, .contact-form textarea, .contact-form select { width: 100%; border: 1px solid var(--line); border-radius: 13px; background: #fff; color: var(--text); padding: 13px 15px; outline: none; }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(16,174,234,.12); }
.contact-form textarea { min-height: 140px; resize: vertical; }
.compliance-band { padding: 32px 0; background: #e4f6ff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.compliance-band .container { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.compliance-chip { padding: 16px; border-radius: 14px; background: rgba(255,255,255,.78); color: #466177; font-size: 14px; }
.compliance-chip strong { display: block; margin-bottom: 4px; color: var(--primary-deep); }
.site-footer { padding: 62px 0 22px; background: var(--footer); color: #EAF8FF; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 34px; }
.site-footer h2, .site-footer h3 { color: #fff; }
.site-footer h2 { font-size: 27px; }
.site-footer h3 { font-size: 17px; }
.site-footer p { color: #c9e7f5; }
.site-footer section > a { display: block; margin: 8px 0; color: #c9e7f5; font-size: 14px; }
.site-footer section > a:hover { color: #fff; }
.footer-notice { margin-top: 34px; padding-top: 24px; border-top: 1px solid rgba(234,248,255,.16); }
.footer-notice p { margin-bottom: 0; font-size: 14px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 18px; margin-top: 20px; padding-top: 20px; border-top: 1px solid rgba(234,248,255,.1); color: #9dc9dc; font-size: 13px; }
@media (max-width: 1180px) {
    .desktop-nav { display: none; }
    .menu-toggle { display: block; }
    .header-inner { min-height: 70px; }
    .brand-logo { width: 138px; }
}
@media (max-width: 900px) {
    .section { padding: 58px 0; }
    .intro-panel, .page-hero-card, .feature-card, .feature-card.reverse, .app-banner { grid-template-columns: 1fr; }
    .feature-card.reverse .feature-media, .feature-card.reverse .feature-copy { order: initial; }
    .feature-media { min-height: 310px; }
    .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .grid-3, .review-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .compliance-band .container { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .carousel-slide { aspect-ratio: 16 / 8; }
}
@media (max-width: 640px) {
    .container { width: min(100% - 28px, 1180px); }
    .header-inner { width: calc(100% - 24px); gap: 10px; }
    .brand-logo { width: 124px; }
    .main-btn { min-height: 42px; padding-inline: 18px; }
    .hero-carousel { padding: 12px 12px 0; }
    .carousel { border-radius: 18px; }
    .carousel-slide { min-height: 190px; aspect-ratio: 4 / 3; }
    .carousel-arrow { width: 40px; height: 40px; font-size: 23px; }
    .carousel-arrow.prev { left: 10px; }
    .carousel-arrow.next { right: 10px; }
    .carousel-dots { bottom: 10px; }
    .section { padding: 48px 0; }
    .section-head { display: block; margin-bottom: 24px; }
    h1 { font-size: 36px; }
    h2 { font-size: 29px; }
    .intro-panel, .page-hero-card, .feature-copy, .app-banner { padding: 25px; border-radius: 22px; }
    .intro-points, .grid-2, .grid-3, .grid-4, .review-grid, .compliance-band .container { grid-template-columns: 1fr; }
    .feature-media { min-height: 250px; }
    .category-card, .metric-card, .info-card, .review-card, .notice-card, .service-card { padding: 22px; }
    .drawer-nav { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}