@charset "UTF-8";

:root {
    --bg: #F4FBFF;
    --surface: #FFFFFF;
    --soft: #E8F7FF;
    --primary: #10AEEA;
    --primary-strong: #1688D8;
    --deep: #155A9D;
    --text: #24384A;
    --muted: #60758A;
    --border: rgba(16, 174, 234, 0.18);
    --footer: #073A68;
    --footer-text: #EAF8FF;
    --shadow: 0 18px 46px rgba(21, 90, 157, 0.11);
    --shadow-sm: 0 10px 28px rgba(21, 90, 157, 0.08);
    --radius-lg: 28px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --container: min(100% - 32px, 1200px);
    --header-container: min(100% - 32px, 1360px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 0;
    overflow-x: hidden;
    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;
    -webkit-font-smoothing: antialiased;
}
body.drawer-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

.skip-link {
    position: fixed;
    z-index: 2000;
    top: 8px;
    left: 8px;
    padding: 10px 16px;
    background: var(--footer);
    color: #fff;
    border-radius: 10px;
    transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.container { width: var(--container); margin-inline: auto; }
.section { padding: clamp(64px, 7vw, 104px) 0; }
.section-compact { padding: clamp(42px, 5vw, 72px) 0; }
.section-soft { background: var(--soft); }
.section-white { background: var(--surface); }

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    background: rgba(255,255,255,.96);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}
.header-inner {
    width: var(--header-container);
    min-height: 76px;
    margin-inline: auto;
    display: flex;
    align-items: center;
    gap: clamp(12px, 1.5vw, 24px);
}
.brand-logo { flex: 0 0 auto; width: clamp(118px, 10vw, 148px); }
.brand-logo img { width: 100%; height: 46px; object-fit: contain; object-position: left center; }
.desktop-nav {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(8px, .75vw, 16px);
}
.desktop-nav a {
    position: relative;
    flex: 0 0 auto;
    white-space: nowrap;
    color: #365269;
    font-size: clamp(12px, .88vw, 14px);
    font-weight: 650;
    padding: 26px 0 24px;
}
.desktop-nav a::after {
    content: "";
    position: absolute;
    left: 50%;
    right: 50%;
    bottom: 14px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(135deg, #35D7FF 0%, #1688D8 100%);
    transition: left .2s ease, right .2s ease;
}
.desktop-nav a:hover, .desktop-nav a.is-active { color: var(--primary-strong); }
.desktop-nav a:hover::after, .desktop-nav a.is-active::after { left: 0; right: 0; }
.header-actions { flex: 0 0 auto; display: flex; align-items: center; gap: 10px; }
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 22px;
    border-radius: 999px;
    background: linear-gradient(135deg, #35D7FF 0%, #1688D8 100%);
    color: #fff;
    font-weight: 750;
    white-space: nowrap;
    box-shadow: 0 10px 24px rgba(22,136,216,.24);
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(22,136,216,.3); }
.text-link { color: var(--primary-strong); font-weight: 750; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}
.menu-toggle span { width: 21px; height: 2px; border-radius: 999px; background: var(--deep); }

.drawer-overlay {
    position: fixed;
    inset: 0;
    z-index: 1090;
    background: rgba(5, 47, 83, .42);
    opacity: 0;
    transition: opacity .25s ease;
}
.drawer-overlay.is-open { opacity: 1; }
.mobile-drawer {
    position: fixed;
    z-index: 1100;
    top: 0;
    right: 0;
    width: min(88vw, 390px);
    height: 100dvh;
    padding: 18px;
    background: var(--surface);
    box-shadow: -18px 0 50px rgba(7,58,104,.18);
    transform: translateX(105%);
    transition: transform .28s ease;
    overflow-y: auto;
}
.mobile-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.drawer-logo { width: 132px; }
.drawer-logo img { width: 100%; height: 44px; object-fit: contain; object-position: left center; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 50%; background: var(--soft); color: var(--deep); font-size: 28px; line-height: 1; }
.mobile-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; padding: 20px 0; }
.mobile-nav a { padding: 11px 13px; border: 1px solid var(--border); border-radius: 12px; color: #365269; font-size: 14px; font-weight: 650; background: #fff; }
.mobile-nav a.is-active { background: var(--soft); color: var(--primary-strong); }
.drawer-register { width: 100%; }

.carousel-wrap { padding: 24px 0 0; }
.carousel {
    position: relative;
    width: var(--header-container);
    margin-inline: auto;
    overflow: hidden;
    border-radius: clamp(18px, 2.2vw, 30px);
    background: var(--soft);
    box-shadow: var(--shadow);
}
.carousel-track { display: flex; transition: transform .55s cubic-bezier(.22,.61,.36,1); }
.carousel-slide { flex: 0 0 100%; min-width: 100%; }
.carousel-slide img { width: 100%; aspect-ratio: 16 / 6.2; object-fit: contain; background: var(--soft); }
.carousel-arrow {
    position: absolute;
    z-index: 3;
    top: 50%;
    width: 46px;
    height: 46px;
    border: 1px solid rgba(255,255,255,.78);
    border-radius: 50%;
    background: rgba(7,58,104,.45);
    color: #fff;
    font-size: 28px;
    line-height: 1;
    transform: translateY(-50%);
    backdrop-filter: blur(8px);
}
.carousel-arrow.prev { left: 18px; }
.carousel-arrow.next { right: 18px; }
.carousel-dots { position: absolute; z-index: 3; left: 50%; bottom: 16px; display: flex; gap: 8px; transform: translateX(-50%); }
.carousel-dot { width: 9px; height: 9px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.62); box-shadow: 0 0 0 1px rgba(7,58,104,.15); }
.carousel-dot.is-active { width: 28px; border-radius: 999px; background: #fff; }

.home-intro { padding: clamp(56px, 7vw, 94px) 0; }
.hero-copy { max-width: 860px; margin: 0 auto; text-align: center; }
.hero-copy h1, .page-hero h1 { margin: 12px 0 18px; color: var(--deep); font-size: clamp(34px, 5vw, 64px); line-height: 1.12; letter-spacing: -.03em; }
.hero-copy p, .page-hero p { margin: 0; color: var(--muted); font-size: clamp(16px, 1.7vw, 20px); }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 28px; }
.secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 22px; border: 1px solid var(--border); border-radius: 999px; background: #fff; color: var(--deep); font-weight: 750; }
.eyebrow { display: inline-flex; align-items: center; gap: 7px; color: var(--primary-strong); font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 18px; height: 3px; border-radius: 999px; background: var(--primary); }

.section-heading { max-width: 760px; margin-bottom: 34px; }
.section-heading h2 { margin: 9px 0 12px; color: var(--deep); font-size: clamp(28px, 3.8vw, 46px); line-height: 1.2; letter-spacing: -.025em; }
.section-heading p { margin: 0; color: var(--muted); font-size: 16px; }

.quick-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.quick-card, .info-card, .review-card, .faq-item, .service-card, .product-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}
.quick-card { min-height: 220px; padding: 24px; display: flex; flex-direction: column; }
.quick-card .card-index { width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center; border-radius: 13px; background: var(--soft); color: var(--primary-strong); font-weight: 850; }
.quick-card h3, .info-card h3, .service-card h3, .product-card h3 { margin: 18px 0 9px; color: var(--deep); font-size: 20px; line-height: 1.35; }
.quick-card p, .info-card p, .service-card p, .product-card p { margin: 0 0 18px; color: var(--muted); }
.quick-card .text-link { margin-top: auto; }

.split-layout { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(320px, .98fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.split-layout.reverse .media-panel { order: -1; }
.copy-panel h2 { margin: 10px 0 18px; color: var(--deep); font-size: clamp(28px, 4vw, 48px); line-height: 1.18; }
.copy-panel p { color: var(--muted); }
.copy-panel .main-btn, .copy-panel .secondary-btn { margin-top: 12px; }
.media-panel { overflow: hidden; border-radius: var(--radius-lg); background: var(--soft); box-shadow: var(--shadow); }
.media-panel img { width: 100%; max-height: 520px; object-fit: contain; background: var(--soft); }
.media-caption { margin: 0; padding: 14px 18px; color: var(--muted); background: #fff; font-size: 14px; }

.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.info-card, .service-card { padding: 26px; }
.info-card .icon, .service-card .icon { width: 48px; height: 48px; display: inline-flex; align-items: center; justify-content: center; border-radius: 15px; background: linear-gradient(135deg, #dff8ff, #e9f3ff); color: var(--primary-strong); font-size: 20px; font-weight: 850; }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.product-card { overflow: hidden; }
.product-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: contain; background: var(--soft); }
.product-card .product-copy { padding: 24px; }
.product-card h3 { margin-top: 0; }

.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.stat-card { padding: 24px; border: 1px solid var(--border); border-radius: var(--radius-md); background: rgba(255,255,255,.78); }
.stat-card strong { display: block; color: var(--primary-strong); font-size: 30px; line-height: 1.2; }
.stat-card span { color: var(--muted); }

.notice-list, .check-list, .plain-list { margin: 20px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.notice-list li, .check-list li, .plain-list li { position: relative; padding-left: 28px; color: var(--text); }
.notice-list li::before, .check-list li::before, .plain-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--primary-strong); font-weight: 900; }

.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.review-card { position: relative; padding: 28px; }
.review-mark { position: absolute; top: 10px; right: 20px; color: #bdefff; font-size: 72px; line-height: 1; font-family: Georgia, serif; }
.review-card p { position: relative; z-index: 1; margin: 0 0 20px; color: var(--text); }
.review-card strong { color: var(--primary-strong); }

.page-hero { padding: clamp(54px, 7vw, 90px) 0 clamp(44px, 6vw, 76px); background: radial-gradient(circle at 85% 20%, rgba(53,215,255,.22), transparent 28%), linear-gradient(180deg, #fff, var(--bg)); }
.page-hero .container { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .72fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.page-hero .hero-text { max-width: 760px; }
.page-hero .hero-media { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--soft); box-shadow: var(--shadow); }
.page-hero .hero-media img { width: 100%; max-height: 400px; object-fit: contain; background: var(--soft); }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; color: var(--muted); font-size: 14px; }
.breadcrumb a { color: var(--primary-strong); font-weight: 700; }

.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; counter-reset: step; }
.step-card { position: relative; padding: 26px; border: 1px solid var(--border); border-radius: var(--radius-md); background: #fff; }
.step-card::before { counter-increment: step; content: counter(step, decimal-leading-zero); display: block; margin-bottom: 16px; color: var(--primary); font-size: 28px; font-weight: 900; }
.step-card h3 { margin: 0 0 10px; color: var(--deep); }
.step-card p { margin: 0; color: var(--muted); }

.compliance-panel { display: grid; grid-template-columns: minmax(260px, .75fr) minmax(0, 1.25fr); gap: clamp(28px, 5vw, 72px); padding: clamp(30px, 5vw, 54px); border-radius: var(--radius-lg); background: linear-gradient(135deg, #0b5c9e 0%, #073A68 100%); color: var(--footer-text); box-shadow: var(--shadow); }
.compliance-panel h2 { margin: 10px 0 0; color: #fff; font-size: clamp(27px, 3.4vw, 42px); line-height: 1.2; }
.compliance-panel .eyebrow { color: #8feaff; }
.compliance-panel .eyebrow::before { background: #8feaff; }
.compliance-copy p { margin: 0 0 14px; color: #d8f2ff; }
.compliance-copy p:last-child { margin-bottom: 0; }

.faq-list { display: grid; gap: 12px; }
.faq-item { overflow: hidden; }
.faq-question { width: 100%; border: 0; background: #fff; padding: 22px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; color: var(--deep); text-align: left; font-weight: 800; }
.faq-question::after { content: "+"; flex: 0 0 auto; color: var(--primary-strong); font-size: 24px; }
.faq-item.is-open .faq-question::after { content: "−"; }
.faq-answer { display: none; padding: 0 24px 22px; color: var(--muted); }
.faq-item.is-open .faq-answer { display: block; }
.faq-answer p { margin: 0; }

.cta-band { padding: clamp(30px, 5vw, 54px); border: 1px solid var(--border); border-radius: var(--radius-lg); background: linear-gradient(135deg, #ffffff 0%, #e5f8ff 100%); display: flex; align-items: center; justify-content: space-between; gap: 24px; box-shadow: var(--shadow-sm); }
.cta-band h2 { margin: 0 0 8px; color: var(--deep); font-size: clamp(26px, 3.5vw, 40px); line-height: 1.2; }
.cta-band p { margin: 0; color: var(--muted); }

.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.contact-card { padding: 28px; border: 1px solid var(--border); border-radius: var(--radius-md); background: #fff; box-shadow: var(--shadow-sm); }
.contact-card h3 { margin: 0 0 10px; color: var(--deep); }
.contact-card p { margin: 0; color: var(--muted); }

.site-footer { background: var(--footer); color: var(--footer-text); padding: 64px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.55fr repeat(3, 1fr); gap: 34px; }
.footer-brand { max-width: 360px; }
.footer-logo { display: inline-block; width: 146px; padding: 8px 12px; border-radius: 14px; background: #fff; }
.footer-logo img { width: 100%; height: 42px; object-fit: contain; }
.footer-brand p { color: #bfdfef; }
.site-footer h2 { margin: 0 0 16px; color: #fff; font-size: 17px; }
.site-footer a:not(.footer-logo) { display: block; width: fit-content; margin: 8px 0; color: #cfeafa; }
.site-footer a:hover { color: #fff; }
.footer-bottom { margin-top: 42px; padding-top: 22px; border-top: 1px solid rgba(234,248,255,.14); display: flex; justify-content: space-between; gap: 24px; color: #a9d3e8; font-size: 13px; }
.footer-bottom p { margin: 0; }
.footer-bottom p:first-child { max-width: 760px; }

@media (max-width: 1179px) {
    .desktop-nav { display: none; }
    .menu-toggle { display: inline-flex; }
    .header-inner { min-height: 70px; }
    .header-actions { margin-left: auto; }
}

@media (max-width: 980px) {
    .quick-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .card-grid, .product-grid, .review-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .split-layout, .page-hero .container, .compliance-panel { grid-template-columns: 1fr; }
    .split-layout.reverse .media-panel { order: 0; }
    .page-hero .hero-media { max-width: 640px; }
}

@media (max-width: 720px) {
    :root { --container: min(100% - 24px, 1200px); --header-container: min(100% - 24px, 1360px); }
    .site-header .main-btn { min-height: 40px; padding: 8px 17px; }
    .brand-logo { width: 112px; }
    .brand-logo img { height: 40px; }
    .carousel-wrap { padding-top: 12px; }
    .carousel-slide img { aspect-ratio: 16 / 8.8; }
    .carousel-arrow { width: 38px; height: 38px; font-size: 23px; }
    .carousel-arrow.prev { left: 10px; }
    .carousel-arrow.next { right: 10px; }
    .carousel-dots { bottom: 10px; }
    .quick-grid, .card-grid, .product-grid, .review-grid, .steps, .contact-grid { grid-template-columns: 1fr; }
    .quick-card { min-height: auto; }
    .cta-band { align-items: flex-start; flex-direction: column; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; }
    .page-hero { padding-top: 42px; }
    .page-hero .hero-media { max-width: 100%; }
}

@media (max-width: 460px) {
    .header-inner { gap: 8px; }
    .site-header .main-btn { padding-inline: 15px; }
    .mobile-nav { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { grid-column: auto; }
    .carousel-slide img { aspect-ratio: 4 / 3; }
    .stat-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}