* { box-sizing: border-box; }
:root {
    --page: #EAF2FB;
    --surface: #FFFFFF;
    --soft: #F4F8FF;
    --soft-2: #EDF5FF;
    --soft-3: #E1ECF8;
    --blue: #2FA8F7;
    --bright: #45C7FF;
    --deep: #137CD8;
    --title: #137CD8;
    --text: #24364F;
    --muted: #5D718A;
    --border: rgba(47,168,247,0.14);
    --footer: #102B46;
    --footer-text: #EAF6FF;
    --shadow: 0 18px 42px rgba(42, 91, 135, 0.12);
}
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
    margin: 0;
    min-width: 320px;
    overflow-x: hidden;
    background: var(--page);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.75;
}
body.drawer-open { overflow-y: hidden; }
a, button { touch-action: manipulation; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
img { display: block; max-width: 100%; }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 11000; background: #fff; padding: 10px 16px; border-radius: 10px; }
.skip-link:focus { top: 12px; }
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 88px;
    min-height: 44px;
    padding: 10px 24px;
    color: #fff;
    background: linear-gradient(135deg, #45C7FF 0%, #2FA8F7 48%, #137CD8 100%);
    border-radius: 999px;
    box-shadow: 0 12px 26px rgba(19,124,216,0.18);
    font-weight: 700;
}
.main-btn:hover { transform: translateY(-1px); box-shadow: 0 15px 30px rgba(19,124,216,0.24); }
.text-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--deep); font-weight: 700; }
.text-link::after { content: "→"; margin-left: 6px; }
.desktop-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 7000;
    height: 74px;
    background: rgba(255,255,255,0.9);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(16px);
}
.desktop-header__inner { height: 100%; display: grid; grid-template-columns: 190px 1fr 120px; align-items: center; gap: 24px; }
.brand-logo { width: 148px; display: inline-flex; align-items: center; }
.brand-logo img { max-height: 48px; object-fit: contain; }
.core-nav { display: flex; align-items: center; justify-content: center; gap: 8px; min-width: 0; }
.core-nav a { position: relative; white-space: nowrap; padding: 13px 18px; border-radius: 12px; color: var(--muted); font-weight: 650; }
.core-nav a:hover { color: var(--deep); background: var(--soft); }
.core-nav a.is-active { color: var(--deep); }
.core-nav a.is-active::after { content: ""; position: absolute; left: 50%; bottom: 3px; width: 22px; height: 3px; transform: translateX(-50%); border-radius: 4px; background: var(--blue); }
.desktop-register { justify-self: end; }
.channel-bar { position: sticky; top: 74px; z-index: 6000; margin-top: 74px; background: rgba(244,248,255,0.94); border-bottom: 1px solid var(--border); backdrop-filter: blur(12px); }
.channel-scroll { display: flex; gap: 8px; overflow-x: auto; padding-block: 10px; scrollbar-width: thin; }
.channel-scroll a { flex: 0 0 auto; min-height: 36px; padding: 6px 14px; border-radius: 999px; color: var(--muted); font-size: 14px; white-space: nowrap; }
.channel-scroll a:hover, .channel-scroll a.is-active { color: #fff; background: var(--blue); }
.mobile-header, .mobile-drawer, .mobile-bottom-nav { display: none; }
.floating-service {
    position: fixed;
    z-index: 8000;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
    width: 104px;
    padding: 12px;
    display: grid;
    gap: 7px;
    background: rgba(255,255,255,0.96);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow);
}
.floating-service a, .floating-service button { min-height: 38px; display: flex; align-items: center; justify-content: center; border: 0; border-radius: 12px; background: var(--soft); color: var(--deep); cursor: pointer; font-size: 13px; }
.floating-service .float-register { color: #fff; background: linear-gradient(135deg, var(--bright), var(--deep)); font-weight: 700; }
main { min-height: 60vh; }
.page-hero { margin-top: 42px; margin-bottom: 34px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 36px; padding: 54px; border-radius: 34px; background: linear-gradient(135deg, #fff 0%, #F4F8FF 100%); box-shadow: var(--shadow); overflow: hidden; }
.page-hero__copy h1 { margin: 6px 0 16px; color: var(--title); font-size: clamp(34px, 4.3vw, 58px); line-height: 1.16; letter-spacing: -.03em; }
.eyebrow { margin: 0; color: var(--blue); font-weight: 800; letter-spacing: .12em; }
.page-hero__lead { max-width: 720px; margin: 0; color: var(--muted); font-size: 17px; }
.page-hero__links { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 28px; }
.page-hero__media { margin: 0; padding: 16px; border-radius: 28px; background: #fff; border: 1px solid var(--border); }
.page-hero__media img { width: 100%; max-height: 420px; object-fit: contain; border-radius: 20px; }
.content-section, .split-section { margin-block: 28px; padding: 44px; border-radius: 28px; background: var(--surface); border: 1px solid var(--border); box-shadow: 0 13px 34px rgba(42,91,135,.08); }
.section-heading { max-width: 780px; margin-bottom: 24px; }
.section-heading h2 { margin: 0 0 8px; color: var(--title); font-size: clamp(25px, 3vw, 38px); line-height: 1.25; }
.section-heading p, .prose p, .split-section__copy p { color: var(--muted); }
.prose p { margin: 0; }
.split-section { display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 38px; }
.split-section--reverse .split-section__media { order: 2; }
.split-section__media { margin: 0; padding: 14px; border-radius: 24px; background: var(--soft); }
.split-section__media img { width: 100%; max-height: 390px; object-fit: contain; border-radius: 18px; }
.check-list { list-style: none; padding: 0; margin: 20px 0; display: grid; gap: 10px; }
.check-list li { position: relative; padding-left: 28px; color: var(--text); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--blue); font-weight: 900; }
.info-grid { display: grid; gap: 18px; }
.info-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.info-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.info-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.info-card { min-width: 0; padding: 24px; border: 1px solid var(--border); border-radius: 22px; background: linear-gradient(180deg, #fff, var(--soft)); }
.info-card h3 { margin: 8px 0 10px; color: var(--deep); font-size: 20px; }
.info-card p { margin: 0; color: var(--muted); }
.mini-tag { display: inline-flex; padding: 4px 10px; border-radius: 999px; background: var(--soft-3); color: var(--deep); font-size: 12px; font-weight: 800; }
.step-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.step-list li { display: grid; grid-template-columns: 52px 1fr; gap: 16px; align-items: start; padding: 20px; border-radius: 20px; background: var(--soft); }
.step-list li > span { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 16px; color: #fff; background: linear-gradient(135deg, var(--bright), var(--deep)); font-weight: 800; }
.step-list h3, .step-list p { margin: 0; }
.step-list h3 { color: var(--deep); }
.step-list p { color: var(--muted); }
.notice-band { margin-block: 28px; padding: 28px 34px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-radius: 24px; background: var(--soft-3); border: 1px solid var(--border); }
.notice-band strong { color: var(--deep); font-size: 20px; }
.notice-band p { margin: 4px 0 0; color: var(--muted); }
.faq-list { display: grid; gap: 12px; }
.faq-list details { border: 1px solid var(--border); border-radius: 18px; background: var(--soft); overflow: hidden; }
.faq-list summary { min-height: 54px; padding: 14px 20px; display: flex; align-items: center; cursor: pointer; color: var(--deep); font-weight: 800; }
.faq-list details p { margin: 0; padding: 0 20px 20px; color: var(--muted); }
.banner-wrap { padding: 32px 0 10px; background: var(--page); }
.banner-slider { position: relative; z-index: 1; width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 14px; border-radius: 34px; background: #fff; box-shadow: var(--shadow); overflow: hidden; }
.banner-stage { position: relative; aspect-ratio: 16 / 6.5; min-height: 260px; border-radius: 25px; overflow: hidden; background: var(--soft-3); }
.banner-slide { position: absolute; inset: 0; opacity: 0; pointer-events: none; transition: opacity .45s ease; }
.banner-slide.is-active { opacity: 1; pointer-events: auto; }
.banner-slide img { width: 100%; height: 100%; object-fit: contain; background: var(--soft-3); }
.slider-prev, .slider-next { position: absolute; z-index: 3; top: 50%; transform: translateY(-50%); width: 46px; height: 46px; border: 0; border-radius: 50%; color: var(--deep); background: rgba(255,255,255,.92); box-shadow: 0 8px 20px rgba(16,43,70,.16); cursor: pointer; }
.slider-prev { left: 28px; }
.slider-next { right: 28px; }
.slider-dots { position: absolute; z-index: 3; left: 50%; bottom: 24px; transform: translateX(-50%); display: flex; gap: 8px; }
.slider-dot { width: 12px; height: 12px; min-width: 12px; padding: 0; border: 2px solid #fff; border-radius: 999px; background: rgba(19,124,216,.34); cursor: pointer; }
.slider-dot.is-active { width: 30px; background: var(--deep); }
.home-intro { margin-top: 28px; }
.quick-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.quick-card { padding: 22px; border-radius: 22px; background: #fff; border: 1px solid var(--border); }
.quick-card h3 { margin: 0 0 8px; color: var(--deep); }
.quick-card p { min-height: 54px; margin: 0; color: var(--muted); }
.dashboard-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.dashboard-card { padding: 24px; border-radius: 22px; background: linear-gradient(160deg, #fff, var(--soft-2)); border: 1px solid var(--border); }
.dashboard-card h3 { margin: 0 0 10px; color: var(--deep); }
.dashboard-card p { margin: 0; color: var(--muted); }
.home-pair { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 20px; }
.home-panel { padding: 28px; border-radius: 26px; background: #fff; border: 1px solid var(--border); box-shadow: 0 12px 30px rgba(42,91,135,.07); }
.home-panel figure { margin: 0 0 20px; padding: 12px; border-radius: 20px; background: var(--soft); }
.home-panel figure img { width: 100%; height: 250px; object-fit: contain; border-radius: 14px; }
.home-panel h2, .home-panel h3 { margin: 0 0 10px; color: var(--deep); }
.home-panel p { color: var(--muted); }
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.review-card { margin: 0; padding: 24px; border-radius: 22px; background: var(--soft); border: 1px solid var(--border); color: var(--muted); }
.review-card cite { display: block; margin-top: 14px; color: var(--deep); font-style: normal; font-weight: 800; }
.site-footer { margin-top: 50px; padding: 48px 0 calc(28px + env(safe-area-inset-bottom)); color: var(--footer-text); background: var(--footer); }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(3,1fr); gap: 38px; }
.footer-grid section { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.footer-grid h2 { margin: 0 0 8px; color: #fff; font-size: 17px; }
.footer-grid a { min-height: 32px; color: #cfe8ff; }
.footer-brand img { max-width: 150px; max-height: 52px; object-fit: contain; filter: brightness(0) invert(1); }
.footer-brand p { margin: 12px 0 0; color: #cfe8ff; }
.footer-notice { margin-top: 34px; padding-top: 24px; display: flex; justify-content: space-between; gap: 26px; border-top: 1px solid rgba(234,246,255,.16); color: #b9d4ec; font-size: 13px; }
.footer-notice p { margin: 0; }
@media (max-width: 1280px) {
    .floating-service { display: none; }
}
@media (max-width: 980px) {
    .desktop-header, .channel-bar { display: none; }
    .mobile-header { position: fixed; inset: 0 0 auto; z-index: 9000; height: 64px; padding: 8px 14px; display: grid; grid-template-columns: 52px 1fr 84px; align-items: center; gap: 8px; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--border); backdrop-filter: blur(14px); }
    .menu-button, .drawer-close { width: 44px; height: 44px; border: 0; border-radius: 13px; color: var(--deep); background: var(--soft); cursor: pointer; font-size: 23px; }
    .mobile-logo { justify-self: center; width: 136px; }
    .mobile-logo img { max-height: 44px; object-fit: contain; }
    .mobile-register { min-width: 76px; min-height: 44px; padding-inline: 16px; justify-self: end; position: relative; z-index: 9010; }
    .mobile-drawer { position: fixed; inset: 0 auto 0 0; z-index: 10000; width: min(86vw, 360px); padding: 18px; display: block; overflow-y: auto; background: #fff; transform: translateX(-102%); transition: transform .25s ease; box-shadow: 18px 0 44px rgba(16,43,70,.2); }
    .mobile-drawer.is-open { transform: translateX(0); }
    .drawer-mask { position: fixed; inset: 0; z-index: 9990; background: rgba(16,43,70,.42); opacity: 0; pointer-events: none; }
    .drawer-mask.is-open { opacity: 1; pointer-events: auto; }
    .drawer-mask[hidden] { display: none !important; visibility: hidden !important; pointer-events: none !important; }
    .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: 142px; }
    .drawer-logo img { max-height: 48px; object-fit: contain; }
    .drawer-nav { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px; padding: 18px 0 34px; }
    .drawer-nav a { min-height: 44px; display: flex; align-items: center; padding: 9px 13px; border-radius: 12px; color: var(--muted); background: var(--soft); }
    .drawer-nav a.is-active { color: #fff; background: var(--blue); }
    main { padding-top: 64px; }
    .mobile-bottom-nav { position: fixed; inset: auto 10px calc(10px + env(safe-area-inset-bottom)); z-index: 8500; display: grid; grid-template-columns: repeat(4,1fr); gap: 5px; padding: 7px; border-radius: 18px; background: rgba(255,255,255,.97); border: 1px solid var(--border); box-shadow: 0 12px 35px rgba(16,43,70,.18); backdrop-filter: blur(12px); }
    .mobile-bottom-nav a { min-height: 44px; display: flex; align-items: center; justify-content: center; border-radius: 12px; color: var(--deep); font-size: 13px; font-weight: 800; }
    .page-hero { grid-template-columns: 1fr; padding: 36px; margin-top: 28px; }
    .page-hero__media { order: -1; }
    .info-grid--4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .dashboard-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .footer-grid { grid-template-columns: repeat(2,1fr); }
    .footer-notice { padding-bottom: 80px; }
}
@media (max-width: 720px) {
    .shell, .banner-slider { width: min(100% - 24px, 1180px); }
    .page-hero, .content-section, .split-section { padding: 26px 22px; border-radius: 22px; }
    .page-hero__copy h1 { font-size: 34px; }
    .page-hero__lead { font-size: 15px; }
    .split-section, .split-section--reverse { grid-template-columns: 1fr; }
    .split-section--reverse .split-section__media { order: 0; }
    .info-grid--2, .info-grid--3, .info-grid--4, .quick-grid, .dashboard-grid, .home-pair, .review-grid { grid-template-columns: 1fr; }
    .banner-wrap { padding-top: 18px; }
    .banner-slider { padding: 8px; border-radius: 22px; }
    .banner-stage { min-height: 190px; aspect-ratio: 16 / 8.5; border-radius: 16px; }
    .slider-prev, .slider-next { width: 44px; height: 44px; }
    .slider-prev { left: 14px; }
    .slider-next { right: 14px; }
    .slider-dots { bottom: 14px; }
    .notice-band { flex-direction: column; align-items: flex-start; padding: 24px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px 18px; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-notice { flex-direction: column; }
}
@media (max-width: 420px) {
    .mobile-header { grid-template-columns: 48px 1fr 76px; padding-inline: 10px; }
    .mobile-logo { width: 120px; }
    .drawer-nav { grid-template-columns: 1fr 1fr; }
    .page-hero { padding: 24px 18px; }
    .page-hero__links { gap: 8px; }
    .main-btn { padding-inline: 18px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { grid-column: auto; }
}