:root {
    --bg: #F4FBFF; --nav: #FFFFFF; --soft: #E8F7FF; --card: #FFFFFF; --primary: #10AEEA;
    --primary-deep: #1688D8; --deep: #155A9D; --text: #24384A; --muted: #60758A;
    --border: rgba(17, 174, 234, .18); --footer: #073A68; --footer-text: #EAF8FF;
    --shadow: 0 18px 50px rgba(18, 116, 174, .12); --radius: 24px; --radius-sm: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; overflow-x: hidden; font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; color: var(--text); background: var(--bg); line-height: 1.75; }
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
.container { width: min(100% - 32px, 1180px); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,.94); border-bottom: 1px solid var(--border); backdrop-filter: blur(16px); }
.header-inner { width: min(100% - 32px, 1360px); min-height: 76px; margin-inline: auto; display: flex; align-items: center; gap: clamp(16px, 2vw, 30px); }
.brand-logo { flex: 0 0 auto; }
.brand-logo img { width: clamp(112px, 10vw, 148px); max-height: 48px; object-fit: contain; }
.desktop-nav { flex: 1; min-width: 0; display: flex; justify-content: center; align-items: center; gap: clamp(8px, 1.1vw, 18px); }
.desktop-nav a { position: relative; white-space: nowrap; font-size: clamp(13px, .95vw, 15px); color: var(--deep); padding: 9px 2px; }
.desktop-nav a::after { content: ""; position: absolute; left: 50%; right: 50%; bottom: 0; height: 2px; background: var(--primary); transition: .2s ease; }
.desktop-nav a:hover::after, .desktop-nav a.is-active::after { left: 0; right: 0; }
.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: 44px; padding: 0 24px; border: 0; border-radius: 999px; background: linear-gradient(135deg, #35D7FF 0%, #1688D8 100%); color: #fff; font-weight: 700; box-shadow: 0 12px 26px rgba(22,136,216,.22); transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 32px rgba(22,136,216,.28); }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--border); border-radius: 12px; background: #fff; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; background: var(--deep); border-radius: 2px; }
.drawer-backdrop { position: fixed; inset: 0; z-index: 1100; background: rgba(4,32,58,.46); opacity: 0; visibility: hidden; transition: .25s ease; }
.mobile-drawer { position: fixed; top: 0; right: 0; z-index: 1200; width: min(88vw, 390px); height: 100dvh; padding: 20px; background: #fff; transform: translateX(100%); transition: .28s ease; overflow-y: auto; box-shadow: -20px 0 60px rgba(4,32,58,.2); }
.drawer-open .drawer-backdrop { opacity: 1; visibility: visible; }
.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(--border); }
.drawer-head img { width: 130px; max-height: 44px; object-fit: contain; }
.drawer-head button { width: 42px; height: 42px; border: 0; border-radius: 50%; background: var(--soft); color: var(--deep); font-size: 28px; }
.mobile-drawer nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 18px 0; }
.mobile-drawer nav a { padding: 11px 12px; border: 1px solid var(--border); border-radius: 12px; color: var(--deep); background: #fbfeff; }
.drawer-register { width: 100%; }
.hero-carousel-wrap { padding: 24px 0 12px; }
.carousel { position: relative; overflow: hidden; border-radius: clamp(18px, 2.6vw, 34px); background: var(--soft); box-shadow: var(--shadow); }
.carousel-track { position: relative; aspect-ratio: 16 / 6.4; min-height: 240px; }
.carousel-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .55s ease; pointer-events: none; }
.carousel-slide.is-active { opacity: 1; pointer-events: auto; }
.carousel-slide img { width: 100%; height: 100%; object-fit: contain; background: #eaf8ff; }
.carousel-arrow { position: absolute; top: 50%; z-index: 2; width: 46px; height: 46px; transform: translateY(-50%); border: 1px solid rgba(255,255,255,.7); border-radius: 50%; background: rgba(7,58,104,.54); color: #fff; font-size: 34px; line-height: 1; cursor: pointer; }
.carousel-arrow.prev { left: 18px; }.carousel-arrow.next { right: 18px; }
.carousel-dots { position: absolute; z-index: 2; left: 50%; bottom: 14px; display: flex; gap: 8px; transform: translateX(-50%); }
.carousel-dot { width: 9px; height: 9px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.65); box-shadow: 0 0 0 1px rgba(7,58,104,.12); }
.carousel-dot.is-active { width: 26px; border-radius: 999px; background: #fff; }
.section { padding: clamp(58px, 7vw, 96px) 0; }
.section-soft { background: linear-gradient(180deg, rgba(232,247,255,.74), rgba(244,251,255,.58)); }
.section-heading { max-width: 760px; margin: 0 auto 34px; text-align: center; }
.eyebrow { display: inline-block; margin-bottom: 8px; color: var(--primary-deep); font-size: 14px; font-weight: 800; letter-spacing: .08em; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--deep); line-height: 1.25; }
h1 { margin-bottom: 20px; font-size: clamp(34px, 5vw, 64px); letter-spacing: -.03em; }
h2 { margin-bottom: 16px; font-size: clamp(28px, 3.5vw, 44px); }
h3 { margin-bottom: 10px; font-size: clamp(19px, 2vw, 24px); }
p { color: var(--muted); }
.section-heading p { max-width: 680px; margin: 0 auto; }
.split-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(360px, .98fr); gap: clamp(32px, 6vw, 78px); align-items: center; }
.split-reverse .split-copy { order: 2; }.split-reverse .content-media { order: 1; }
.split-copy > p { margin-bottom: 16px; font-size: 17px; }
.content-media, .page-hero-media { margin: 0; padding: clamp(14px, 2vw, 24px); overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.content-media img, .page-hero-media img { width: 100%; max-height: 480px; object-fit: contain; }
.hero-actions, .inline-links { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 26px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--primary-deep); font-weight: 800; }
.text-link::after { content: "→"; transition: transform .2s ease; }.text-link:hover::after { transform: translateX(4px); }
.quick-scroll { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(250px, 1fr); gap: 16px; overflow-x: auto; padding: 4px 2px 16px; scroll-snap-type: x mandatory; scrollbar-width: thin; }
.quick-pill { scroll-snap-align: start; padding: 22px; border: 1px solid var(--border); border-radius: 999px 24px 24px 999px; background: #fff; box-shadow: 0 12px 30px rgba(18,116,174,.08); }
.quick-pill h3 { font-size: 20px; }.quick-pill p { min-height: 76px; margin-bottom: 8px; font-size: 14px; }.quick-pill a { color: var(--primary-deep); font-weight: 700; }
.dashboard-grid, .feature-grid, .review-grid, .service-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.dashboard-card, .feature-card, .review-card { min-width: 0; padding: 26px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--card); box-shadow: 0 12px 34px rgba(18,116,174,.08); }
.dashboard-card > span, .card-index, .media-card span { display: inline-flex; align-items: center; min-height: 28px; padding: 0 11px; border-radius: 999px; background: var(--soft); color: var(--primary-deep); font-size: 13px; font-weight: 800; }
.feature-card img { width: 100%; height: 190px; margin-bottom: 20px; object-fit: contain; border-radius: 14px; background: var(--soft); }
.feature-card p { min-height: 102px; }
.trio-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.media-card { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.media-card img { width: 100%; height: 230px; object-fit: contain; background: var(--soft); }
.media-card > div { padding: 24px; }
.app-banner { display: grid; grid-template-columns: 1.25fr .75fr; gap: 34px; align-items: center; padding: clamp(28px, 5vw, 56px); border: 1px solid var(--border); border-radius: 32px; background: linear-gradient(135deg, #fff 0%, #e5f8ff 55%, #cbedff 100%); box-shadow: var(--shadow); }
.app-banner img { width: 100%; max-height: 320px; object-fit: contain; }
.check-list { display: grid; gap: 10px; margin: 22px 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 28px; color: var(--text); }.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--primary-deep); font-weight: 900; }
.review-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.review-card { position: relative; }.review-card p { min-height: 106px; }.review-card strong { color: var(--deep); }
.review-mark { position: absolute; right: 18px; top: 6px; color: rgba(16,174,234,.15); font-size: 74px; font-weight: 900; line-height: 1; }
.service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.service-link { display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; align-items: center; padding: 22px; border: 1px solid var(--border); border-radius: 16px; background: #fff; }
.service-link strong { color: var(--deep); font-size: 18px; }.service-link span { color: var(--muted); font-size: 14px; }.service-link b { grid-column: 2; grid-row: 1 / span 2; color: var(--primary-deep); font-size: 24px; }
.about-summary, .notice-panel { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: clamp(28px, 5vw, 54px); border: 1px solid var(--border); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.about-summary > div, .notice-panel > div { max-width: 790px; }
.faq-list { max-width: 900px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item { overflow: hidden; border: 1px solid var(--border); border-radius: 16px; background: #fff; }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 22px; border: 0; background: transparent; color: var(--deep); text-align: left; font-weight: 800; cursor: pointer; }
.faq-question b { color: var(--primary-deep); font-size: 22px; transition: transform .2s ease; }
.faq-item.is-open .faq-question b { transform: rotate(45deg); }
.faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .24s ease; }.faq-item.is-open .faq-answer { grid-template-rows: 1fr; }
.faq-answer p { overflow: hidden; margin: 0; padding: 0 22px; }.faq-item.is-open .faq-answer p { padding-bottom: 22px; }
.compliance-box { display: grid; grid-template-columns: auto 1fr; gap: 24px; align-items: center; padding: 30px; border: 1px solid rgba(17,174,234,.26); border-radius: var(--radius); background: linear-gradient(135deg, #e8f7ff, #fff); }
.compliance-icon { display: grid; place-items: center; width: 76px; height: 76px; border-radius: 50%; background: linear-gradient(135deg, #35D7FF, #1688D8); color: #fff; font-size: 24px; font-weight: 900; }.compliance-box h2 { font-size: 26px; }.compliance-box p { margin-bottom: 0; }
.page-hero { padding: clamp(58px, 8vw, 105px) 0 62px; background: radial-gradient(circle at 80% 20%, rgba(53,215,255,.22), transparent 30%), linear-gradient(180deg, #f4fbff, #e8f7ff); }
.page-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(34px, 6vw, 80px); align-items: center; }
.page-hero p { max-width: 680px; font-size: 18px; }
.steps { display: grid; gap: 14px; max-width: 940px; margin: 0 auto; }
.step-card { display: grid; grid-template-columns: 62px 1fr; gap: 20px; align-items: start; padding: 22px; border: 1px solid var(--border); border-radius: 16px; background: #fff; }
.step-card > span { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; background: var(--soft); color: var(--primary-deep); font-weight: 900; }
.step-card p { margin-bottom: 0; }
.site-footer { padding: 64px 0 24px; background: var(--footer); color: var(--footer-text); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 34px; }
.footer-brand img { width: 146px; max-height: 48px; margin-bottom: 18px; object-fit: contain; filter: brightness(0) invert(1); }
.site-footer h2 { color: #fff; font-size: 18px; }.site-footer p, .site-footer a { color: rgba(234,248,255,.78); }
.site-footer a { display: block; margin: 8px 0; }.site-footer a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 42px; padding-top: 22px; border-top: 1px solid rgba(234,248,255,.18); }.footer-bottom p { margin: 0; font-size: 13px; }
@media (max-width: 1179px) { .desktop-nav { display: none; }.menu-toggle { display: block; }.header-inner { min-height: 70px; }.header-register { padding-inline: 20px; } }
@media (max-width: 900px) {
    .split-grid, .page-hero-grid, .app-banner { grid-template-columns: 1fr; }
    .split-reverse .split-copy, .split-reverse .content-media { order: initial; }
    .dashboard-grid, .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .review-grid, .service-grid, .trio-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .page-hero-media { max-width: 700px; }
}
@media (max-width: 640px) {
    .container { width: min(100% - 22px, 1180px); }
    .header-inner { width: min(100% - 20px, 1360px); gap: 10px; }
    .brand-logo img { width: 108px; }
    .header-register { min-height: 40px; padding-inline: 16px; }
    .menu-toggle { width: 40px; height: 40px; }
    .mobile-drawer nav { grid-template-columns: 1fr; }
    .carousel-track { aspect-ratio: 4 / 3; min-height: 0; }
    .carousel-arrow { width: 40px; height: 40px; font-size: 29px; }.carousel-arrow.prev { left: 10px; }.carousel-arrow.next { right: 10px; }
    .section { padding: 50px 0; }
    .dashboard-grid, .feature-grid, .review-grid, .service-grid, .trio-grid, .footer-grid { grid-template-columns: 1fr; }
    .feature-card p, .review-card p { min-height: 0; }
    .app-banner { padding: 26px 20px; }
    .about-summary, .notice-panel, .footer-bottom { align-items: flex-start; flex-direction: column; }
    .compliance-box { grid-template-columns: 1fr; }.compliance-icon { width: 64px; height: 64px; }
    .step-card { grid-template-columns: 48px 1fr; padding: 18px; }.step-card > span { width: 44px; height: 44px; }
    h1 { font-size: 36px; }.page-hero p { font-size: 16px; }
}