@charset "UTF-8";
:root {
    --bg: #F4FBFF;
    --surface: #FFFFFF;
    --surface-soft: #E8F7FF;
    --primary: #11AEEA;
    --primary-strong: #1688D8;
    --deep: #155A9D;
    --text: #24384A;
    --muted: #60758A;
    --border: rgba(17, 174, 234, 0.18);
    --footer: #073A68;
    --shadow: 0 16px 40px rgba(21, 90, 157, 0.10);
    --shadow-soft: 0 10px 26px rgba(21, 90, 157, 0.08);
    --radius-lg: 28px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --container: min(100% - 32px, 1240px);
}
* { 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: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, 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 { font: inherit; }
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 1000;
    background: rgba(255,255,255,.96);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(14px);
}
.header-inner {
    width: min(100% - 32px, 1360px);
    min-height: 74px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: clamp(12px, 1.6vw, 24px);
}
.brand-logo { flex: 0 0 auto; display: inline-flex; align-items: center; }
.brand-logo img { width: clamp(112px, 10vw, 150px); height: 44px; object-fit: contain; }
.desktop-nav {
    flex: 1;
    min-width: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(7px, .9vw, 15px);
    overflow: hidden;
}
.desktop-nav a {
    flex: 0 0 auto;
    white-space: nowrap;
    color: var(--text);
    font-size: clamp(13px, .94vw, 15px);
    font-weight: 600;
    padding: 9px 2px;
    position: relative;
    transition: color .2s ease;
}
.desktop-nav a::after {
    content: "";
    position: absolute;
    left: 50%; right: 50%; bottom: 2px;
    height: 2px;
    border-radius: 2px;
    background: var(--primary);
    transition: left .2s ease, right .2s ease;
}
.desktop-nav a:hover, .desktop-nav a.active { color: var(--primary-strong); }
.desktop-nav a:hover::after, .desktop-nav a.active::after { left: 0; right: 0; }
.header-actions { flex: 0 0 auto; display: flex; align-items: center; gap: 10px; }
.main-btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 42px;
    padding: 0 23px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, #35D7FF 0%, #1688D8 100%);
    color: #fff;
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(22, 136, 216, .22);
    transition: transform .2s ease, box-shadow .2s ease;
    white-space: nowrap;
}
.main-btn:hover { transform: translateY(-1px); box-shadow: 0 12px 26px rgba(22,136,216,.28); }
.menu-toggle {
    display: none;
    width: 44px; height: 44px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fff;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}
.menu-toggle span { width: 20px; height: 2px; border-radius: 2px; background: var(--deep); }
.mobile-drawer {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    z-index: 1200;
    width: min(88vw, 360px);
    padding: 20px;
    background: #fff;
    transform: translateX(105%);
    transition: transform .24s ease;
    overflow-y: auto;
    box-shadow: -18px 0 45px rgba(7,58,104,.18);
}
.mobile-drawer.is-open { transform: translateX(0); }
.drawer-overlay {
    position: fixed;
    inset: 0;
    z-index: 1100;
    background: rgba(7,58,104,.42);
    opacity: 0;
    transition: opacity .22s ease;
}
.drawer-overlay.is-visible { opacity: 1; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.drawer-logo img { width: 126px; height: 42px; object-fit: contain; }
.drawer-close { border: 0; background: var(--surface-soft); color: var(--deep); width: 42px; height: 42px; border-radius: 12px; font-size: 28px; line-height: 1; cursor: pointer; }
.drawer-nav { display: grid; gap: 4px; }
.drawer-nav a { padding: 11px 12px; border-radius: 10px; color: var(--text); font-weight: 600; }
.drawer-nav a:hover { background: var(--surface-soft); color: var(--primary-strong); }
.drawer-register { width: 100%; margin-top: 20px; }
.site-main { padding-top: 74px; }
.container { width: var(--container); margin: 0 auto; }
.section { padding: clamp(54px, 7vw, 92px) 0; }
.section-sm { padding: clamp(36px, 5vw, 60px) 0; }
.section-soft { background: var(--surface-soft); }
.section-white { background: var(--surface); }
.section-head { max-width: 780px; margin-bottom: 30px; }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.eyebrow { display: inline-block; color: var(--primary-strong); font-weight: 700; letter-spacing: .08em; margin-bottom: 8px; }
h1, h2, h3 { color: var(--deep); line-height: 1.3; margin: 0 0 16px; }
h1 { font-size: clamp(34px, 5vw, 62px); }
h2 { font-size: clamp(26px, 3.4vw, 42px); }
h3 { font-size: clamp(19px, 2vw, 24px); }
p { margin: 0 0 16px; }
.lead { font-size: clamp(17px, 1.7vw, 20px); color: var(--muted); }
.text-link { color: var(--primary-strong); font-weight: 700; display: inline-flex; align-items: center; gap: 6px; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.hero-page {
    padding: clamp(60px, 8vw, 110px) 0 clamp(44px, 6vw, 80px);
    background: radial-gradient(circle at 85% 15%, rgba(53,215,255,.22), transparent 26%), linear-gradient(180deg, #F7FDFF 0%, #E8F7FF 100%);
}
.hero-page .container { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(300px,.95fr); gap: clamp(28px, 5vw, 70px); align-items: center; }
.hero-copy { max-width: 720px; }
.hero-copy .main-btn { margin-top: 12px; }
.hero-image { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: clamp(12px, 2vw, 20px); box-shadow: var(--shadow); }
.hero-image img { width: 100%; height: auto; max-height: 440px; object-fit: contain; border-radius: calc(var(--radius-lg) - 10px); }
.home-slider-wrap { padding: 24px 0 0; }
.home-slider {
    width: min(100% - 32px, 1360px);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    border-radius: clamp(16px, 2vw, 28px);
    background: var(--surface-soft);
    box-shadow: var(--shadow);
}
.slider-track { display: flex; transition: transform .55s cubic-bezier(.22,.61,.36,1); }
.slider-slide { flex: 0 0 100%; min-width: 100%; }
.slider-slide img { width: 100%; height: auto; object-fit: contain; }
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: clamp(38px, 4vw, 52px); height: clamp(38px, 4vw, 52px);
    border: 1px solid rgba(255,255,255,.65);
    border-radius: 50%;
    background: rgba(7,58,104,.42);
    color: #fff;
    font-size: 26px;
    cursor: pointer;
    backdrop-filter: blur(6px);
}
.slider-prev { left: clamp(10px, 2vw, 24px); }
.slider-next { right: clamp(10px, 2vw, 24px); }
.slider-dots { position: absolute; left: 50%; bottom: clamp(10px, 1.6vw, 20px); transform: translateX(-50%); display: flex; gap: 8px; z-index: 2; }
.slider-dot { width: 9px; height: 9px; border: 0; border-radius: 50%; padding: 0; background: rgba(255,255,255,.6); cursor: pointer; box-shadow: 0 0 0 1px rgba(7,58,104,.12); }
.slider-dot.active { width: 26px; border-radius: 99px; background: #fff; }
.intro-band { padding: clamp(46px, 6vw, 76px) 0; }
.intro-panel { display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px; align-items: stretch; }
.intro-copy, .entry-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: clamp(26px, 4vw, 46px); box-shadow: var(--shadow-soft); }
.entry-card { background: linear-gradient(145deg, #F9FEFF 0%, #E8F7FF 100%); }
.entry-list { display: grid; gap: 12px; margin-top: 20px; }
.entry-item { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.entry-item:last-child { border-bottom: 0; }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.card-grid.four { grid-template-columns: repeat(4, minmax(0,1fr)); }
.info-card, .feature-card, .review-card, .faq-item, .notice-card, .stat-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}
.info-card, .feature-card, .notice-card, .stat-card { padding: 24px; }
.info-card .tag, .feature-card .tag { display: inline-flex; padding: 5px 10px; border-radius: 99px; background: var(--surface-soft); color: var(--primary-strong); font-size: 13px; font-weight: 700; margin-bottom: 12px; }
.image-card { overflow: hidden; padding: 0; }
.image-card img { width: 100%; height: 220px; object-fit: contain; background: #F8FDFF; border-bottom: 1px solid var(--border); }
.image-card .card-body { padding: 24px; }
.quick-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 16px; }
.quick-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 20px; min-height: 210px; box-shadow: var(--shadow-soft); display: flex; flex-direction: column; }
.quick-card h3 { font-size: 20px; }
.quick-card p { color: var(--muted); font-size: 14px; flex: 1; }
.split-layout { display: grid; grid-template-columns: minmax(0,1fr) minmax(300px,.9fr); gap: clamp(24px, 5vw, 60px); align-items: center; }
.split-layout.reverse .split-image { order: -1; }
.split-image { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 14px; box-shadow: var(--shadow-soft); }
.split-image img { width: 100%; height: auto; max-height: 430px; object-fit: contain; border-radius: calc(var(--radius-lg) - 8px); }
.check-list { list-style: none; padding: 0; margin: 22px 0; display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 28px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--primary-strong); font-weight: 800; }
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.step { counter-increment: step; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px; }
.step::before { content: counter(step, decimal-leading-zero); display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; background: var(--surface-soft); color: var(--primary-strong); font-weight: 800; margin-bottom: 18px; }
.review-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.review-card { padding: 24px; }
.review-card p { color: var(--text); }
.review-card strong { color: var(--primary-strong); }
.faq-list { display: grid; gap: 14px; }
.faq-item { padding: 22px 24px; }
.faq-item h3 { margin-bottom: 8px; font-size: 19px; }
.faq-item p { color: var(--muted); margin: 0; }
.notice-strip { background: linear-gradient(135deg, #0D75B6 0%, #11AEEA 100%); color: #fff; border-radius: var(--radius-lg); padding: clamp(28px, 4vw, 44px); display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; box-shadow: var(--shadow); }
.notice-strip h2, .notice-strip p { color: #fff; }
.notice-strip p { margin: 0; opacity: .92; }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-md); background: #fff; box-shadow: var(--shadow-soft); }
.info-table { width: 100%; min-width: 680px; border-collapse: collapse; }
.info-table th, .info-table td { padding: 16px 18px; text-align: left; border-bottom: 1px solid var(--border); }
.info-table th { color: var(--deep); background: var(--surface-soft); }
.info-table tr:last-child td { border-bottom: 0; }
.contact-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.contact-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 26px; box-shadow: var(--shadow-soft); }
.site-footer { background: var(--footer); color: #EAF8FF; }
.footer-inner { width: var(--container); margin: 0 auto; padding: 54px 0 34px; display: grid; grid-template-columns: 1.5fr .75fr .75fr; gap: 40px; }
.footer-brand img { width: 150px; height: 50px; object-fit: contain; filter: brightness(0) invert(1); margin-bottom: 18px; }
.footer-brand p { max-width: 560px; color: rgba(234,248,255,.78); }
.footer-links { display: grid; align-content: start; gap: 8px; }
.footer-links h2 { color: #fff; font-size: 18px; margin-bottom: 8px; }
.footer-links a { color: rgba(234,248,255,.78); }
.footer-links a:hover { color: #fff; }
.footer-notice { border-top: 1px solid rgba(234,248,255,.12); width: var(--container); margin: 0 auto; padding: 22px 0 30px; text-align: center; color: rgba(234,248,255,.72); font-size: 13px; }
.footer-notice p { margin: 4px 0; }
@media (max-width: 1180px) {
    .desktop-nav { display: none; }
    .menu-toggle { display: flex; }
    .header-inner { min-height: 70px; }
    .site-main { padding-top: 70px; }
}
@media (max-width: 980px) {
    .card-grid, .card-grid.four { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .quick-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .hero-page .container, .split-layout, .intro-panel { grid-template-columns: 1fr; }
    .hero-image { max-width: 760px; }
    .review-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .steps { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1.3fr .7fr .7fr; gap: 28px; }
}
@media (max-width: 720px) {
    :root { --container: min(100% - 24px, 1240px); }
    .header-inner { width: min(100% - 20px, 1360px); }
    .brand-logo img { width: 108px; }
    .header-actions .main-btn { min-height: 38px; padding: 0 17px; font-size: 14px; }
    .menu-toggle { width: 40px; height: 40px; }
    .home-slider { width: min(100% - 24px, 1360px); border-radius: 16px; }
    .slider-arrow { display: none; }
    .slider-dots { bottom: 8px; }
    .card-grid, .card-grid.four, .review-grid, .contact-grid { grid-template-columns: 1fr; }
    .quick-grid { grid-template-columns: 1fr; }
    .quick-card { min-height: auto; }
    .notice-strip { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; padding-top: 40px; }
    h1 { font-size: clamp(32px, 10vw, 44px); }
    .section { padding: 54px 0; }
    .image-card img { height: auto; max-height: 360px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
