@charset "UTF-8";
:root {
    --bg: #F4FBFF;
    --surface: #FFFFFF;
    --soft: #E8F7FF;
    --primary: #10AEEA;
    --primary-dark: #1688D8;
    --deep: #155A9D;
    --text: #24384A;
    --muted: #60758A;
    --border: rgba(16, 174, 234, 0.18);
    --footer: #073A68;
    --footer-text: #EAF8FF;
    --gradient: linear-gradient(135deg, #35D7FF 0%, #1688D8 100%);
    --shadow: 0 18px 50px rgba(21, 90, 157, 0.12);
    --shadow-sm: 0 10px 28px rgba(21, 90, 157, 0.10);
    --radius-lg: 28px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --container: min(100% - 32px, 1180px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 0;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 8% 8%, rgba(53, 215, 255, 0.12), transparent 28%),
        radial-gradient(circle at 92% 18%, rgba(22, 136, 216, 0.09), transparent 30%),
        var(--bg);
    color: var(--text);
    font-family: "Microsoft YaHei", "PingFang SC", "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; }
button { cursor: pointer; }

.skip-link {
    position: fixed;
    left: 16px;
    top: -80px;
    z-index: 2000;
    padding: 10px 16px;
    border-radius: 10px;
    background: var(--deep);
    color: #fff;
    transition: top .2s ease;
}
.skip-link:focus { top: 12px; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,.94);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(14px);
    box-shadow: 0 6px 24px rgba(21,90,157,.07);
}
.header-inner {
    width: min(100% - 32px, 1360px);
    min-height: 76px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: clamp(12px, 1.7vw, 24px);
}
.brand-logo { flex: 0 0 clamp(132px, 12vw, 170px); }
.brand-logo img { width: 100%; height: 48px; object-fit: contain; object-position: left center; }
.desktop-nav {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(4px, .65vw, 10px);
    white-space: nowrap;
}
.desktop-nav a {
    position: relative;
    padding: 10px clamp(4px, .5vw, 8px);
    color: var(--muted);
    font-size: clamp(12px, .95vw, 14px);
    font-weight: 700;
    border-radius: 10px;
    transition: color .2s ease, background .2s ease;
}
.desktop-nav a:hover,
.desktop-nav a.is-active { color: var(--primary-dark); background: var(--soft); }
.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: 42px;
    min-width: 88px;
    padding: 10px 22px;
    border: 0;
    border-radius: 999px;
    background: var(--gradient);
    color: #fff;
    font-weight: 800;
    box-shadow: 0 10px 24px rgba(22,136,216,.22);
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(22,136,216,.28); }
.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 13px;
    background: #fff;
}
.menu-toggle span { display: block; height: 2px; margin: 5px 0; border-radius: 10px; background: var(--deep); }

.drawer-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1090;
    background: rgba(7,58,104,.38);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
}
.drawer-backdrop.is-open { opacity: 1; pointer-events: auto; }
.mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1100;
    width: min(88vw, 380px);
    height: 100dvh;
    padding: 18px;
    overflow-y: auto;
    background: #fff;
    box-shadow: -20px 0 50px rgba(7,58,104,.18);
    transform: translateX(104%);
    transition: transform .25s ease;
}
.mobile-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.drawer-logo img { width: 160px; height: 48px; 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: 1fr 1fr; gap: 8px; padding: 18px 0; }
.mobile-nav a { padding: 11px 12px; border-radius: 12px; background: #f8fcff; color: var(--muted); font-weight: 700; }
.mobile-nav a.is-active { background: var(--soft); color: var(--primary-dark); }
.drawer-register { width: 100%; }

main { min-height: 60vh; }
.section-shell { width: var(--container); margin: 0 auto; }
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    color: var(--primary-dark);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: .08em;
}
.eyebrow::before { content: ""; width: 24px; height: 3px; border-radius: 9px; background: var(--gradient); }
h1, h2, h3 { margin-top: 0; color: var(--deep); line-height: 1.3; }
h1 { margin-bottom: 18px; font-size: clamp(32px, 5vw, 58px); letter-spacing: -.04em; }
h2 { margin-bottom: 16px; font-size: clamp(26px, 3vw, 40px); }
h3 { margin-bottom: 10px; font-size: 20px; }
p { margin: 0 0 16px; }
.lead { max-width: 760px; color: var(--muted); font-size: clamp(17px, 1.6vw, 21px); }
.text-link { display: inline-flex; align-items: center; color: var(--primary-dark); font-weight: 800; }
.text-link::after { content: "→"; margin-left: 7px; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.intro-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; margin-top: 28px; }
.section-heading { max-width: 760px; margin-bottom: 28px; }
.section-heading > p { color: var(--muted); }

.page-intro {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
    align-items: center;
    gap: clamp(28px, 5vw, 72px);
    padding-top: clamp(54px, 8vw, 96px);
    padding-bottom: clamp(54px, 7vw, 86px);
}
.page-intro__content { min-width: 0; }
.page-intro__media {
    margin: 0;
    min-width: 0;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: rgba(255,255,255,.84);
    box-shadow: var(--shadow);
}
.page-intro__media img { width: 100%; aspect-ratio: 16/10; object-fit: contain; border-radius: 20px; background: var(--soft); }

.home-carousel-wrap { width: min(100% - 32px, 1360px); margin: 26px auto 0; }
.home-carousel {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: clamp(18px, 3vw, 32px);
    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: 0; margin: 0; }
.carousel-slide img { width: 100%; aspect-ratio: 16/6.2; object-fit: contain; background: var(--soft); }
.carousel-arrow {
    position: absolute;
    top: 50%;
    z-index: 3;
    width: 46px;
    height: 46px;
    border: 1px solid rgba(255,255,255,.55);
    border-radius: 50%;
    background: rgba(7,58,104,.54);
    color: #fff;
    font-size: 27px;
    transform: translateY(-50%);
    backdrop-filter: blur(8px);
}
.carousel-arrow:hover { background: rgba(7,58,104,.78); }
.carousel-arrow--prev { left: 18px; }
.carousel-arrow--next { right: 18px; }
.carousel-dots { position: absolute; left: 50%; bottom: 16px; z-index: 3; display: flex; gap: 8px; transform: translateX(-50%); }
.carousel-dot { width: 9px; height: 9px; padding: 0; border: 0; border-radius: 99px; background: rgba(255,255,255,.66); transition: width .2s ease, background .2s ease; }
.carousel-dot.is-active { width: 28px; background: #fff; }

.home-intro { padding: clamp(52px, 7vw, 82px) 0 28px; text-align: center; }
.home-intro .lead { margin-left: auto; margin-right: auto; }
.home-intro .intro-actions { justify-content: center; }

.card-section, .reviews, .notice-section, .faq-section { padding: clamp(58px, 8vw, 96px) 0; }
.card-grid { display: grid; gap: 18px; }
.card-grid--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card-grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid--four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.info-card {
    position: relative;
    min-width: 0;
    padding: 26px;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,.92);
    box-shadow: var(--shadow-sm);
}
.info-card::after { content: ""; position: absolute; right: -42px; bottom: -52px; width: 120px; height: 120px; border-radius: 50%; background: rgba(53,215,255,.09); }
.info-card p { position: relative; z-index: 1; color: var(--muted); }
.card-tag { display: inline-block; margin-bottom: 12px; padding: 5px 10px; border-radius: 999px; background: var(--soft); color: var(--primary-dark); font-size: 13px; font-weight: 800; }

.media-section {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, .9fr);
    align-items: center;
    gap: clamp(30px, 6vw, 80px);
    padding-top: clamp(58px, 8vw, 100px);
    padding-bottom: clamp(58px, 8vw, 100px);
}
.media-section--reverse .media-section__content { order: 2; }
.media-section--reverse .media-section__media { order: 1; }
.media-section__content p { color: var(--muted); }
.media-section__media { margin: 0; padding: 12px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow); }
.media-section__media img { width: 100%; aspect-ratio: 16/10; object-fit: contain; border-radius: 19px; background: var(--soft); }
.media-section:nth-of-type(even) { position: relative; }

.split-band {
    width: var(--container);
    margin: clamp(30px, 6vw, 72px) auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: clamp(28px, 4vw, 48px);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #0d9fdd, #155a9d);
    color: #fff;
    box-shadow: var(--shadow);
}
.split-band h2, .split-band h3 { color: #fff; }
.split-band p { color: rgba(255,255,255,.82); }
.split-band .text-link { color: #fff; }

.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.review-card {
    margin: 0;
    padding: 26px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: #fff;
    box-shadow: var(--shadow-sm);
}
.review-card p { color: var(--text); }
.review-card footer { color: var(--primary-dark); font-size: 14px; font-weight: 800; }
.notice-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.notice-card { padding: 24px; border-radius: var(--radius-md); background: var(--soft); border: 1px solid var(--border); }
.notice-card p { color: var(--muted); }

.faq-list { display: grid; gap: 14px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); background: #fff; box-shadow: var(--shadow-sm); }
.faq-item summary { list-style: none; cursor: pointer; padding: 20px 56px 20px 22px; color: var(--deep); font-weight: 800; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 22px; top: 50%; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: var(--soft); color: var(--primary-dark); transform: translateY(-50%); }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding: 0 22px 22px; color: var(--muted); }

.contact-panel {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 22px;
    padding: clamp(58px, 8vw, 96px) 0;
}
.contact-card { padding: 28px; border: 1px solid var(--border); border-radius: var(--radius-md); background: #fff; box-shadow: var(--shadow-sm); }
.contact-card ul { margin: 0; padding-left: 20px; color: var(--muted); }
.contact-card li + li { margin-top: 8px; }

.site-footer { margin-top: 60px; background: var(--footer); color: var(--footer-text); }
.footer-inner {
    width: var(--container);
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(260px, .8fr) minmax(0, 1.2fr);
    gap: 70px;
    padding: 58px 0 42px;
}
.footer-brand img { width: 190px; height: 60px; object-fit: contain; object-position: left center; filter: brightness(0) invert(1); }
.footer-brand p { max-width: 520px; color: rgba(234,248,255,.75); }
.footer-links { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; }
.footer-links h2 { margin-bottom: 14px; color: #fff; font-size: 17px; }
.footer-links a { display: block; padding: 5px 0; color: rgba(234,248,255,.76); }
.footer-links a:hover { color: #fff; }
.footer-compliance { border-top: 1px solid rgba(234,248,255,.15); padding: 24px max(16px, calc((100% - 1180px)/2)); text-align: center; }
.footer-compliance p { margin: 0 auto 8px; max-width: 1060px; color: rgba(234,248,255,.72); font-size: 14px; }

@media (max-width: 1180px) {
    .desktop-nav { display: none; }
    .header-inner { min-height: 70px; }
    .brand-logo { margin-right: auto; }
    .menu-toggle { display: block; }
    .header-actions .main-btn { min-width: 78px; padding-inline: 18px; }
}

@media (max-width: 900px) {
    .page-intro, .media-section, .contact-panel { grid-template-columns: 1fr; }
    .page-intro__media { max-width: 720px; }
    .media-section--reverse .media-section__content,
    .media-section--reverse .media-section__media { order: initial; }
    .card-grid--four { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .card-grid--three, .review-grid, .notice-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .split-band { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 640px) {
    :root { --container: min(100% - 24px, 1180px); }
    .header-inner { width: min(100% - 20px, 1360px); gap: 8px; }
    .brand-logo { flex-basis: 132px; }
    .brand-logo img { height: 42px; }
    .header-actions .main-btn { min-width: 70px; min-height: 40px; padding: 8px 14px; font-size: 14px; }
    .menu-toggle { width: 40px; height: 40px; padding: 8px; }
    .mobile-nav { grid-template-columns: 1fr; }
    .home-carousel-wrap { width: min(100% - 20px, 1360px); margin-top: 16px; }
    .carousel-slide img { aspect-ratio: 16/8.6; }
    .carousel-arrow { width: 38px; height: 38px; font-size: 22px; }
    .carousel-arrow--prev { left: 8px; }
    .carousel-arrow--next { right: 8px; }
    .carousel-dots { bottom: 10px; }
    .page-intro { padding-top: 42px; padding-bottom: 48px; }
    h1 { font-size: clamp(30px, 10vw, 44px); }
    h2 { font-size: 28px; }
    .card-grid--two, .card-grid--three, .card-grid--four, .review-grid, .notice-grid { grid-template-columns: 1fr; }
    .info-card, .review-card, .notice-card { padding: 22px; }
    .media-section { padding-top: 48px; padding-bottom: 48px; }
    .footer-links { grid-template-columns: 1fr 1fr; }
}

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