@charset "UTF-8";

:root {
    --page-bg: #EAF2FB;
    --surface: #FFFFFF;
    --surface-soft: #F4F8FF;
    --surface-alt: #EDF5FF;
    --surface-deep: #E1ECF8;
    --blue: #2FA8F7;
    --blue-light: #45C7FF;
    --blue-deep: #137CD8;
    --title: #137CD8;
    --text: #24364F;
    --muted: #5D718A;
    --footer: #102B46;
    --footer-text: #EAF6FF;
    --line: rgba(19, 124, 216, .13);
    --shadow: 0 18px 55px rgba(32, 88, 139, .12);
    --shadow-soft: 0 10px 28px rgba(32, 88, 139, .09);
    --radius-lg: 28px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --header-h: 72px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--text);
    background: var(--page-bg);
    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 { font: inherit; }
button { cursor: pointer; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 9999; padding: 10px 16px; border-radius: 10px; background: #fff; color: var(--blue-deep); box-shadow: var(--shadow-soft); }
.skip-link:focus { top: 12px; }

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1000;
    height: var(--header-h);
    background: rgba(255, 255, 255, .9);
    border-bottom: 1px solid rgba(19, 124, 216, .08);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}
.header-inner { height: 100%; display: grid; grid-template-columns: 210px 1fr 110px; align-items: center; gap: 22px; }
.brand-logo { width: 174px; display: flex; align-items: center; }
.brand-logo img { width: 100%; max-height: 48px; object-fit: contain; object-position: left center; }
.core-nav { height: 100%; display: flex; align-items: stretch; justify-content: center; gap: 6px; min-width: 0; }
.core-nav a { position: relative; display: inline-flex; align-items: center; padding: 0 16px; white-space: nowrap; color: var(--muted); font-weight: 700; border-radius: 12px; transition: .2s ease; }
.core-nav a:hover { color: var(--blue-deep); background: var(--surface-soft); }
.core-nav a.is-active { color: var(--blue-deep); }
.core-nav a.is-active::after { content: ""; position: absolute; left: 50%; bottom: 8px; width: 28px; height: 3px; border-radius: 999px; background: var(--blue); transform: translateX(-50%); }
.register-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 24px; color: #fff; font-weight: 800; border-radius: 999px; background: linear-gradient(135deg, #45C7FF 0%, #2FA8F7 48%, #137CD8 100%); box-shadow: 0 10px 24px rgba(47, 168, 247, .28); transition: transform .2s ease, box-shadow .2s ease; }
.register-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(47, 168, 247, .34); }
.header-register { justify-self: end; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 9px; border: 0; border-radius: 12px; background: var(--surface-soft); }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; border-radius: 999px; background: var(--blue-deep); }

.channel-bar-wrap { position: fixed; z-index: 990; top: var(--header-h); left: 0; right: 0; background: rgba(244, 248, 255, .92); border-bottom: 1px solid rgba(19, 124, 216, .08); backdrop-filter: blur(12px); }
.channel-bar { display: flex; gap: 8px; overflow-x: auto; padding-block: 10px; scrollbar-width: thin; overscroll-behavior-inline: contain; }
.channel-bar::-webkit-scrollbar { height: 5px; }
.channel-bar::-webkit-scrollbar-thumb { background: rgba(47, 168, 247, .25); border-radius: 999px; }
.channel-bar a { flex: 0 0 auto; padding: 6px 12px; color: var(--muted); font-size: 14px; line-height: 1.4; border-radius: 999px; transition: .2s ease; }
.channel-bar a:hover, .channel-bar a.is-active { color: #fff; background: var(--blue); }

.site-main { min-height: 70vh; padding-top: 126px; }
.section { padding: 42px 0; }
.section-tight { padding: 28px 0; }
.section-soft { background: linear-gradient(180deg, rgba(244,248,255,.66), rgba(234,242,251,.12)); }
.section-heading { max-width: 780px; margin-bottom: 24px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 8px; color: var(--blue); font-weight: 800; font-size: 14px; letter-spacing: .08em; }
.eyebrow::before { content: ""; width: 24px; height: 3px; border-radius: 999px; background: linear-gradient(90deg, var(--blue-light), var(--blue-deep)); }
h1, h2, h3 { margin: 0 0 14px; color: var(--title); line-height: 1.32; }
h1 { font-size: clamp(32px, 5vw, 54px); }
h2 { font-size: clamp(26px, 3.4vw, 38px); }
h3 { font-size: 21px; }
p { margin: 0 0 16px; }
.lead { color: var(--muted); font-size: clamp(17px, 2vw, 20px); }
.text-link { display: inline-flex; align-items: center; gap: 7px; color: var(--blue-deep); font-weight: 800; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.muted { color: var(--muted); }

.hero-carousel-wrap { padding: 26px 0 34px; background: var(--page-bg); }
.carousel-shell { position: relative; overflow: hidden; min-height: 250px; border: 10px solid #fff; border-radius: 34px; background: #fff; box-shadow: var(--shadow); }
.carousel-track { position: relative; aspect-ratio: 16 / 6.1; min-height: 250px; }
.carousel-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .55s ease; }
.carousel-slide.is-active { opacity: 1; visibility: visible; z-index: 2; }
.carousel-slide img { width: 100%; height: 100%; object-fit: contain; object-position: center; background: #fff; }
.carousel-arrow { position: absolute; z-index: 5; top: 50%; width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.7); border-radius: 50%; color: #fff; background: rgba(16,43,70,.48); transform: translateY(-50%); font-size: 28px; line-height: 1; backdrop-filter: blur(8px); }
.carousel-arrow:hover { background: rgba(19,124,216,.8); }
.carousel-arrow.prev { left: 18px; }
.carousel-arrow.next { right: 18px; }
.carousel-dots { position: absolute; z-index: 5; left: 50%; bottom: 16px; display: flex; gap: 8px; transform: translateX(-50%); }
.carousel-dot { width: 10px; height: 10px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.64); box-shadow: 0 0 0 1px rgba(16,43,70,.14); }
.carousel-dot.is-active { width: 26px; border-radius: 999px; background: var(--blue-light); }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--shadow-soft); }
.content-split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: center; padding: 30px; }
.content-split.reverse { grid-template-columns: .95fr 1.05fr; }
.content-split.reverse .content-media { order: 2; }
.content-media { overflow: hidden; min-height: 280px; border-radius: 18px; background: var(--surface-alt); }
.content-media img { width: 100%; height: 100%; min-height: 280px; object-fit: contain; object-position: center; }
.content-copy { padding: 8px; }
.content-copy ul, .prose-card ul { margin: 12px 0 18px; padding-left: 20px; }
.content-copy li, .prose-card li { margin-bottom: 8px; }

.quick-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.quick-card { min-height: 190px; padding: 24px; background: linear-gradient(145deg, #fff, #f7fbff); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow-soft); transition: transform .2s ease, border-color .2s ease; }
.quick-card:hover { transform: translateY(-4px); border-color: rgba(47,168,247,.4); }
.quick-card h3 { margin-bottom: 10px; }
.quick-card p { color: var(--muted); font-size: 15px; }
.notice-strip { padding: 23px 26px; border-radius: 18px; background: linear-gradient(100deg, #F4F8FF, #E1F1FF); border: 1px solid rgba(47,168,247,.18); color: #38516d; }
.dashboard-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.info-panel { padding: 22px; border-radius: 18px; background: #fff; border-top: 4px solid var(--blue); box-shadow: var(--shadow-soft); }
.info-panel:nth-child(2) { border-top-color: var(--blue-light); }
.info-panel:nth-child(3) { border-top-color: #58a8ef; }
.info-panel:nth-child(4) { border-top-color: var(--blue-deep); }
.info-panel p { color: var(--muted); font-size: 15px; }

.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.feature-card { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow-soft); }
.feature-card .feature-image { min-height: 220px; background: var(--surface-alt); }
.feature-card .feature-image img { width: 100%; height: 100%; min-height: 220px; object-fit: contain; }
.feature-body { padding: 24px; }
.feature-points { display: grid; gap: 8px; margin: 18px 0; padding: 0; list-style: none; }
.feature-points li { position: relative; padding-left: 20px; color: var(--muted); }
.feature-points li::before { content: ""; position: absolute; left: 0; top: .8em; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }

.triple-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.zone-card { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow-soft); }
.zone-card .zone-image { aspect-ratio: 16 / 10; background: var(--surface-alt); }
.zone-card .zone-image img { width: 100%; height: 100%; object-fit: contain; }
.zone-card .zone-body { padding: 22px; }
.zone-card p { color: var(--muted); font-size: 15px; }

.app-highlight { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: center; padding: 32px; border-radius: 28px; background: linear-gradient(135deg, #fff 0%, #edf7ff 100%); border: 1px solid rgba(47,168,247,.2); box-shadow: var(--shadow); }
.app-highlight img { width: 100%; max-height: 410px; object-fit: contain; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 22px; border: 1px solid rgba(47,168,247,.35); border-radius: 999px; color: var(--blue-deep); font-weight: 800; background: #fff; }

.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review-card { position: relative; padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow-soft); }
.review-card::before { content: "“"; position: absolute; right: 18px; top: 4px; color: rgba(47,168,247,.18); font-size: 68px; line-height: 1; font-weight: 900; }
.review-card strong { display: block; margin-bottom: 8px; color: var(--blue-deep); }
.review-card p { color: var(--muted); font-size: 15px; }

.faq-list { display: grid; gap: 14px; }
.faq-item { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 8px 22px rgba(32,88,139,.06); }
.faq-item button { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 20px; border: 0; color: var(--text); background: #fff; text-align: left; font-weight: 800; }
.faq-item button::after { content: "+"; color: var(--blue); font-size: 22px; }
.faq-item.is-open button::after { content: "−"; }
.faq-answer { display: none; padding: 0 20px 20px; color: var(--muted); }
.faq-item.is-open .faq-answer { display: block; }

.page-hero { padding: 46px 0 28px; }
.page-hero-card { position: relative; overflow: hidden; padding: 54px; border-radius: 30px; background: linear-gradient(135deg, rgba(255,255,255,.98), rgba(228,243,255,.96)); border: 1px solid rgba(47,168,247,.2); box-shadow: var(--shadow); }
.page-hero-card::after { content: ""; position: absolute; width: 260px; height: 260px; right: -70px; top: -100px; border-radius: 50%; background: radial-gradient(circle, rgba(69,199,255,.26), rgba(69,199,255,0)); }
.page-hero-card p { max-width: 780px; color: var(--muted); font-size: 18px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; color: var(--muted); font-size: 14px; }
.breadcrumbs a { color: var(--blue-deep); }

.prose-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 24px; align-items: start; }
.prose-main { display: grid; gap: 22px; }
.prose-card { padding: 28px; background: #fff; border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow-soft); }
.prose-card p { color: #405670; }
.prose-image { margin: 18px 0 22px; overflow: hidden; border-radius: 18px; background: var(--surface-alt); }
.prose-image img { width: 100%; max-height: 430px; object-fit: contain; }
.sidebar-card { position: sticky; top: 140px; padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow-soft); }
.sidebar-card h2 { font-size: 21px; }
.sidebar-links { display: grid; gap: 9px; }
.sidebar-links a { padding: 10px 12px; border-radius: 11px; color: var(--muted); background: var(--surface-soft); }
.sidebar-links a:hover { color: var(--blue-deep); background: var(--surface-alt); }

.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 26px 30px; border-radius: 22px; background: linear-gradient(135deg, #137CD8, #2FA8F7 58%, #45C7FF); color: #fff; box-shadow: 0 18px 40px rgba(19,124,216,.24); }
.cta-band h2, .cta-band h3 { color: #fff; }
.cta-band p { margin: 0; color: rgba(255,255,255,.88); }
.cta-band .register-btn { background: #fff; color: var(--blue-deep); box-shadow: none; }

.table-wrap { overflow-x: auto; border-radius: 16px; border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; }
th { color: var(--blue-deep); background: var(--surface-soft); }

.service-float { position: fixed; z-index: 900; right: 18px; top: 50%; width: 108px; padding: 12px; display: grid; gap: 7px; transform: translateY(-50%); border-radius: 18px; background: rgba(255,255,255,.95); border: 1px solid rgba(47,168,247,.18); box-shadow: var(--shadow-soft); backdrop-filter: blur(10px); }
.service-float a, .service-float button { padding: 9px 8px; border: 0; border-radius: 10px; color: var(--blue-deep); background: var(--surface-soft); text-align: center; font-size: 13px; font-weight: 800; }
.service-float a:hover, .service-float button:hover { background: var(--surface-deep); }
.service-float .service-register { color: #fff; background: linear-gradient(135deg, #45C7FF 0%, #2FA8F7 48%, #137CD8 100%); }

.site-footer { margin-top: 54px; padding: 54px 0 22px; color: var(--footer-text); background: var(--footer); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 34px; }
.footer-logo { display: inline-flex; width: 170px; margin-bottom: 18px; }
.footer-logo img { width: 100%; max-height: 48px; object-fit: contain; object-position: left center; }
.site-footer h2 { color: #fff; font-size: 18px; }
.site-footer p { color: rgba(234,246,255,.74); font-size: 14px; }
.footer-links { display: grid; gap: 9px; }
.footer-links a, .footer-bottom a { color: rgba(234,246,255,.82); font-size: 14px; }
.footer-links a:hover, .footer-bottom a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 34px; padding-top: 20px; border-top: 1px solid rgba(234,246,255,.14); color: rgba(234,246,255,.7); font-size: 14px; }
.footer-bottom div { display: flex; flex-wrap: wrap; gap: 18px; }

.drawer-overlay, .mobile-drawer, .mobile-bottom-nav { display: none; }

@media (max-width: 1280px) {
    .service-float { right: 8px; width: 92px; }
}

@media (max-width: 1080px) {
    .header-inner { grid-template-columns: 170px 1fr 96px; gap: 12px; }
    .brand-logo { width: 150px; }
    .core-nav a { padding-inline: 10px; font-size: 15px; }
    .service-float { display: none; }
    .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
    .quick-grid { grid-template-columns: repeat(2, 1fr); }
    .triple-grid { grid-template-columns: repeat(2, 1fr); }
    .review-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
    :root { --header-h: 64px; }
    .container { width: min(100% - 28px, 1180px); }
    .site-header { height: var(--header-h); }
    .header-inner { grid-template-columns: 52px 1fr 86px; gap: 10px; }
    .menu-toggle { display: block; }
    .brand-logo { width: 138px; justify-self: center; }
    .brand-logo img { object-position: center; }
    .core-nav, .channel-bar-wrap { display: none; }
    .header-register { min-height: 38px; padding: 0 18px; font-size: 14px; }
    .site-main { padding-top: var(--header-h); }
    .drawer-overlay { position: fixed; z-index: 1090; inset: 0; display: block; visibility: hidden; opacity: 0; background: rgba(16,43,70,.46); transition: .25s ease; }
    .mobile-drawer { position: fixed; z-index: 1100; inset: 0 auto 0 0; display: block; width: min(86vw, 360px); padding: 18px; background: #fff; transform: translateX(-105%); transition: transform .28s ease; box-shadow: 20px 0 50px rgba(16,43,70,.18); overflow-y: auto; }
    .drawer-open { overflow: hidden; }
    .drawer-open .drawer-overlay { visibility: visible; opacity: 1; }
    .drawer-open .mobile-drawer { transform: translateX(0); }
    .drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
    .drawer-logo { width: 155px; }
    .drawer-logo img { max-height: 45px; object-fit: contain; object-position: left center; }
    .drawer-close { width: 40px; height: 40px; border: 0; border-radius: 12px; color: var(--blue-deep); background: var(--surface-soft); font-size: 28px; line-height: 1; }
    .drawer-nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; padding: 18px 0 40px; }
    .drawer-nav a { padding: 11px 12px; border-radius: 11px; color: var(--muted); background: var(--surface-soft); font-size: 14px; }
    .drawer-nav a.is-active { color: #fff; background: var(--blue); }
    .mobile-bottom-nav { position: fixed; z-index: 980; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: repeat(4, 1fr); padding: 7px 6px calc(7px + env(safe-area-inset-bottom)); background: rgba(255,255,255,.96); border-top: 1px solid var(--line); box-shadow: 0 -8px 24px rgba(32,88,139,.08); backdrop-filter: blur(14px); }
    .mobile-bottom-nav a { display: grid; justify-items: center; gap: 1px; color: var(--muted); font-size: 12px; }
    .mobile-bottom-nav span { display: grid; place-items: center; min-width: 26px; height: 24px; color: var(--blue-deep); font-size: 12px; font-weight: 900; }
    .mobile-bottom-nav a.is-active { color: var(--blue-deep); font-weight: 800; }
    .site-footer { padding-bottom: 92px; }
    .carousel-shell, .carousel-track { min-height: 200px; }
    .carousel-track { aspect-ratio: 16 / 8; }
    .content-split, .content-split.reverse, .app-highlight, .prose-layout { grid-template-columns: 1fr; }
    .content-split.reverse .content-media { order: initial; }
    .content-media, .content-media img { min-height: 220px; }
    .sidebar-card { position: static; }
    .feature-grid { grid-template-columns: 1fr; }
    .page-hero-card { padding: 38px 28px; }
    .cta-band { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 620px) {
    .container { width: min(100% - 22px, 1180px); }
    .header-inner { width: calc(100% - 18px); }
    .brand-logo { width: 124px; }
    .section { padding: 30px 0; }
    .hero-carousel-wrap { padding: 14px 0 22px; }
    .carousel-shell { border-width: 6px; border-radius: 22px; min-height: 170px; }
    .carousel-track { min-height: 170px; aspect-ratio: 16 / 9; }
    .carousel-arrow { width: 38px; height: 38px; font-size: 23px; }
    .carousel-arrow.prev { left: 8px; }
    .carousel-arrow.next { right: 8px; }
    .carousel-dots { bottom: 10px; }
    .content-split, .app-highlight { padding: 20px; border-radius: 22px; }
    .quick-grid, .dashboard-grid, .triple-grid, .review-grid, .footer-grid { grid-template-columns: 1fr; }
    .quick-card { min-height: auto; }
    .page-hero { padding-top: 22px; }
    .page-hero-card { padding: 30px 22px; border-radius: 22px; }
    .page-hero-card p { font-size: 16px; }
    .prose-card { padding: 22px; }
    .drawer-nav { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; }
}

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