:root {
    --bg: #F4FBFF;
    --surface: #FFFFFF;
    --surface-soft: #E8F7FF;
    --primary: #11AEEA;
    --primary-strong: #1688D8;
    --deep-blue: #155A9D;
    --text: #24384A;
    --muted: #60758A;
    --border: rgba(17, 174, 234, 0.18);
    --footer: #073A68;
    --footer-text: #EAF8FF;
    --shadow: 0 18px 50px rgba(21, 90, 157, 0.12);
    --shadow-soft: 0 10px 30px rgba(21, 90, 157, 0.08);
    --radius-xl: 30px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --header-height: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    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; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.skip-link {
    position: fixed;
    left: 16px;
    top: -80px;
    z-index: 2000;
    padding: 10px 16px;
    border-radius: 10px;
    background: var(--primary-strong);
    color: #fff;
    transition: top .2s ease;
}
.skip-link:focus { top: 12px; }
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(255,255,255,.96);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 28px rgba(21,90,157,.08);
    backdrop-filter: blur(16px);
}
.header-inner {
    width: min(100% - 32px, 1360px);
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: clamp(12px, 1.7vw, 28px);
}
.brand-logo {
    flex: 0 0 auto;
    width: clamp(96px, 9vw, 138px);
    display: inline-flex;
    align-items: center;
}
.brand-logo img { width: 100%; height: auto; object-fit: contain; }
.desktop-nav {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(5px, .8vw, 13px);
    white-space: nowrap;
}
.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 clamp(4px, .45vw, 8px);
    color: var(--text);
    font-size: clamp(13px, .95vw, 15px);
    font-weight: 650;
    white-space: nowrap;
    transition: color .2s ease, background .2s ease;
    border-radius: 12px;
}
.nav-link:hover, .nav-link.active { color: var(--primary-strong); background: var(--surface-soft); }
.header-actions { flex: 0 0 auto; display: flex; align-items: center; gap: 10px; }
.main-btn, .secondary-btn, .text-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 750;
    border-radius: 999px;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.main-btn {
    min-height: 44px;
    padding: 0 24px;
    background: linear-gradient(135deg, #35D7FF 0%, #1688D8 100%);
    color: #fff;
    box-shadow: 0 10px 24px rgba(22,136,216,.24);
    white-space: nowrap;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(22,136,216,.3); }
.secondary-btn {
    min-height: 44px;
    padding: 0 22px;
    color: var(--primary-strong);
    background: #fff;
    border: 1px solid var(--border);
}
.secondary-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); }
.text-link { color: var(--primary-strong); justify-content: flex-start; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: #fff;
    padding: 11px;
}
.menu-toggle span { display: block; height: 2px; margin: 5px 0; border-radius: 2px; background: var(--deep-blue); }
.drawer-backdrop { position: fixed; inset: 0; z-index: 1090; background: rgba(7,58,104,.42); }
.mobile-drawer {
    position: fixed;
    z-index: 1100;
    top: 0;
    right: 0;
    width: min(88vw, 390px);
    height: 100dvh;
    padding: 20px;
    overflow-y: auto;
    background: #fff;
    box-shadow: -24px 0 60px rgba(7,58,104,.22);
    transform: translateX(105%);
    transition: transform .28s ease;
}
.mobile-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid var(--border); color: var(--deep-blue); }
.drawer-head strong { font-size: 21px; }
.drawer-close { width: 40px; height: 40px; border: 0; border-radius: 12px; background: var(--surface-soft); color: var(--deep-blue); font-size: 28px; line-height: 1; }
.mobile-nav { display: grid; gap: 7px; padding: 18px 0; }
.mobile-nav .nav-link { justify-content: flex-start; min-height: 48px; padding: 0 14px; font-size: 15px; }
.drawer-register { width: 100%; }
main { padding-top: var(--header-height); }
.container { width: min(100% - 32px, 1240px); margin: 0 auto; }
.wide-container { width: min(100% - 32px, 1360px); margin: 0 auto; }
.section { padding: clamp(62px, 8vw, 112px) 0; }
.section-soft { background: var(--surface-soft); }
.section-white { background: #fff; }
.section-title { max-width: 780px; margin-bottom: 34px; }
.section-title.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 3px 12px;
    margin-bottom: 14px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--primary-strong);
    background: rgba(255,255,255,.72);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .08em;
}
h1, h2, h3 { margin: 0 0 14px; color: var(--deep-blue); line-height: 1.25; }
h1 { font-size: clamp(34px, 5vw, 64px); }
h2 { font-size: clamp(27px, 3.4vw, 44px); }
h3 { font-size: clamp(19px, 2vw, 24px); }
p { margin: 0 0 16px; }
.lead { color: var(--muted); font-size: clamp(17px, 1.65vw, 21px); }
.page-hero {
    position: relative;
    overflow: hidden;
    padding: clamp(72px, 9vw, 128px) 0 clamp(58px, 7vw, 96px);
    background: radial-gradient(circle at 88% 12%, rgba(53,215,255,.28), transparent 28%), linear-gradient(180deg, #E8F7FF 0%, #F4FBFF 100%);
}
.page-hero::after {
    content: "";
    position: absolute;
    right: -120px;
    bottom: -170px;
    width: 430px;
    height: 430px;
    border: 70px solid rgba(17,174,234,.08);
    border-radius: 50%;
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.04fr .96fr; gap: clamp(30px, 6vw, 80px); align-items: center; }
.hero-copy { max-width: 720px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-media, .media-card {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: #fff;
    box-shadow: var(--shadow);
}
.hero-media { padding: clamp(10px, 1.8vw, 18px); }
.hero-media img, .media-card img { width: 100%; height: auto; object-fit: contain; }
.carousel-section { padding: 24px 0 0; }
.carousel {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 6.6;
    min-height: 260px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: linear-gradient(180deg, #E8F7FF, #fff);
    box-shadow: var(--shadow);
}
.carousel-track, .carousel-slide { position: absolute; inset: 0; }
.carousel-slide { opacity: 0; visibility: hidden; transition: opacity .55s ease, visibility .55s ease; }
.carousel-slide.is-active { opacity: 1; visibility: visible; }
.carousel-slide img { width: 100%; height: 100%; object-fit: contain; }
.carousel-control {
    position: absolute;
    z-index: 4;
    top: 50%;
    width: 48px;
    height: 48px;
    transform: translateY(-50%);
    border: 1px solid rgba(255,255,255,.72);
    border-radius: 50%;
    background: rgba(7,58,104,.58);
    color: #fff;
    font-size: 30px;
    line-height: 1;
    backdrop-filter: blur(8px);
}
.carousel-control:hover { background: rgba(7,58,104,.82); }
.carousel-prev { left: 18px; }
.carousel-next { right: 18px; }
.carousel-dots { position: absolute; z-index: 4; left: 50%; bottom: 16px; display: flex; gap: 9px; transform: translateX(-50%); }
.carousel-dot { width: 10px; height: 10px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.62); box-shadow: 0 0 0 1px rgba(7,58,104,.12); }
.carousel-dot.is-active { width: 26px; border-radius: 999px; background: #fff; }
.intro-panel {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 24px;
    padding: clamp(26px, 4vw, 46px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: #fff;
    box-shadow: var(--shadow-soft);
}
.stat-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.stat-card { padding: 20px; border-radius: var(--radius-md); background: var(--surface-soft); }
.stat-card strong { display: block; margin-bottom: 7px; color: var(--primary-strong); font-size: 20px; }
.quick-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.quick-card, .info-card, .feature-card, .review-card, .notice-card, .faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: #fff;
    box-shadow: var(--shadow-soft);
}
.quick-card { min-height: 220px; padding: 24px; display: flex; flex-direction: column; }
.quick-card p { color: var(--muted); font-size: 14px; }
.quick-card .text-link { margin-top: auto; }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.card-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.info-card, .feature-card, .notice-card { padding: clamp(22px, 3vw, 32px); }
.info-card p, .feature-card p, .notice-card p { color: var(--muted); }
.media-split { display: grid; grid-template-columns: .95fr 1.05fr; gap: clamp(28px, 6vw, 76px); align-items: center; }
.media-split.reverse { grid-template-columns: 1.05fr .95fr; }
.media-split.reverse .media-card { order: 2; }
.media-card { padding: 12px; }
.check-list { display: grid; gap: 12px; margin: 24px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding: 13px 16px 13px 46px; border-radius: 14px; background: var(--surface-soft); color: var(--text); }
.check-list li::before { content: "✓"; position: absolute; left: 16px; top: 12px; width: 23px; height: 23px; display: grid; place-items: center; border-radius: 50%; background: var(--primary); color: #fff; font-size: 13px; font-weight: 800; }
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.review-card { padding: 25px; }
.review-role { display: inline-flex; padding: 4px 11px; margin-bottom: 14px; border-radius: 999px; background: var(--surface-soft); color: var(--primary-strong); font-size: 13px; font-weight: 800; }
.review-card p { color: var(--muted); }
.faq-list { display: grid; gap: 14px; }
.faq-item { padding: 0; overflow: hidden; }
.faq-item summary { cursor: pointer; list-style: none; padding: 20px 24px; color: var(--deep-blue); font-weight: 800; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; float: right; color: var(--primary-strong); font-size: 22px; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding: 0 24px 22px; color: var(--muted); }
.compliance-note {
    padding: clamp(26px, 4vw, 40px);
    border: 1px solid rgba(17,174,234,.24);
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, #E8F7FF 0%, #FFFFFF 100%);
    box-shadow: var(--shadow-soft);
}
.compliance-note h2 { font-size: clamp(24px, 3vw, 34px); }
.compliance-note p { color: var(--muted); }
.cta-panel {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: center;
    padding: clamp(28px, 5vw, 48px);
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, #155A9D 0%, #11AEEA 100%);
    color: #fff;
    box-shadow: 0 22px 55px rgba(21,90,157,.24);
}
.cta-panel h2, .cta-panel p { color: #fff; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.cta-panel .main-btn { background: #fff; color: var(--primary-strong); box-shadow: none; }
.cta-panel .secondary-btn { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.35); }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-soft); }
table { width: 100%; border-collapse: collapse; min-width: 680px; }
th, td { padding: 17px 20px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { background: var(--surface-soft); color: var(--deep-blue); }
tr:last-child td { border-bottom: 0; }
.contact-form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
label { color: var(--deep-blue); font-weight: 750; }
input, textarea, select { width: 100%; margin-top: 7px; border: 1px solid var(--border); border-radius: 14px; background: #fff; color: var(--text); padding: 13px 15px; outline: none; }
input:focus, textarea:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(17,174,234,.1); }
textarea { min-height: 150px; resize: vertical; }
.site-footer { background: var(--footer); color: var(--footer-text); }
.footer-inner { width: min(100% - 32px, 1240px); margin: 0 auto; padding: 58px 0 44px; display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 38px; }
.site-footer h2 { color: #fff; font-size: 18px; }
.site-footer p, .site-footer a { color: rgba(234,248,255,.82); }
.site-footer a:hover { color: #fff; }
.footer-wordmark { margin-bottom: 16px; color: #fff; font-size: 34px; font-weight: 900; letter-spacing: .08em; }
.footer-links { display: grid; gap: 8px; }
.footer-bottom { width: min(100% - 32px, 1240px); margin: 0 auto; padding: 20px 0 28px; display: flex; justify-content: space-between; gap: 18px; border-top: 1px solid rgba(234,248,255,.14); color: rgba(234,248,255,.72); font-size: 14px; }

@media (max-width: 1180px) {
    .desktop-nav { display: none; }
    .header-inner { justify-content: space-between; }
    .menu-toggle { display: block; }
}
@media (max-width: 980px) {
    .hero-grid, .intro-panel, .media-split, .media-split.reverse, .cta-panel { grid-template-columns: 1fr; }
    .media-split.reverse .media-card { order: 0; }
    .quick-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .card-grid, .card-grid.four, .review-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .carousel { aspect-ratio: 16 / 8; }
}
@media (max-width: 680px) {
    :root { --header-height: 68px; }
    .header-inner, .container, .wide-container, .footer-inner, .footer-bottom { width: min(100% - 24px, 100%); }
    .brand-logo { width: 104px; }
    .header-actions .main-btn { min-height: 40px; padding: 0 17px; font-size: 14px; }
    .menu-toggle { width: 42px; height: 42px; }
    .section { padding: 58px 0; }
    .page-hero { padding: 62px 0 54px; }
    .carousel-section { padding-top: 14px; }
    .carousel { min-height: 220px; aspect-ratio: 4 / 3; border-radius: 20px; }
    .carousel-control { width: 42px; height: 42px; font-size: 25px; }
    .carousel-prev { left: 10px; }
    .carousel-next { right: 10px; }
    .quick-grid, .card-grid, .card-grid.two, .card-grid.four, .review-grid, .stat-grid, .form-row { grid-template-columns: 1fr; }
    .quick-card { min-height: auto; }
    .footer-inner { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; }
    .cta-actions, .hero-actions { width: 100%; }
    .cta-actions .main-btn, .cta-actions .secondary-btn, .hero-actions .main-btn, .hero-actions .secondary-btn { flex: 1 1 160px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}