:root {
    --bg: #F4FBFF;
    --surface: #FFFFFF;
    --soft: #E8F7FF;
    --primary: #10AEEA;
    --primary-strong: #1688D8;
    --deep: #155A9D;
    --text: #24384A;
    --muted: #60758A;
    --border: rgba(16, 174, 234, 0.18);
    --footer: #073A68;
    --footer-text: #EAF8FF;
    --shadow: 0 18px 48px rgba(21, 90, 157, 0.12);
    --radius: 24px;
    --header-height: 76px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 0; overflow-x: hidden; color: var(--text); background: linear-gradient(180deg, #F8FDFF 0%, var(--bg) 44%, #EFF9FF 100%); font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; 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; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 3000; padding: 10px 16px; border-radius: 10px; background: #fff; color: var(--deep); box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }
.section-shell { width: min(100% - 32px, 1360px); margin-inline: auto; }
.site-header { position: fixed; inset: 0 0 auto; z-index: 1000; height: var(--header-height); background: rgba(255,255,255,.94); border-bottom: 1px solid var(--border); backdrop-filter: blur(16px); }
.header-inner { width: min(100% - 32px, 1360px); height: 100%; margin-inline: auto; display: flex; align-items: center; gap: clamp(12px, 1.5vw, 22px); min-width: 0; }
.brand-logo { flex: 0 0 auto; width: clamp(112px, 10vw, 148px); }
.brand-logo img, .drawer-logo img, .footer-brand img { width: 100%; height: auto; object-fit: contain; }
.desktop-nav { min-width: 0; flex: 1; display: flex; align-items: center; justify-content: center; gap: clamp(6px, .68vw, 12px); overflow: hidden; }
.desktop-nav a { flex: 0 0 auto; white-space: nowrap; padding: 8px clamp(3px, .34vw, 6px); border-radius: 9px; color: #31536F; font-size: clamp(12px, .88vw, 14px); font-weight: 700; transition: .2s ease; }
.desktop-nav a:hover, .desktop-nav a.active { color: var(--primary-strong); 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; padding: 10px 22px; border: 0; border-radius: 999px; color: #fff; background: linear-gradient(135deg, #35D7FF 0%, #1688D8 100%); box-shadow: 0 10px 24px rgba(22,136,216,.24); font-weight: 800; white-space: nowrap; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(22,136,216,.3); }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--border); border-radius: 13px; background: #fff; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; border-radius: 2px; background: var(--deep); }
.mobile-drawer { position: fixed; z-index: 1200; top: 0; right: 0; width: min(86vw, 360px); height: 100dvh; padding: 20px; transform: translateX(105%); transition: transform .25s ease; background: #fff; box-shadow: -20px 0 50px rgba(7,58,104,.18); overflow-y: auto; }
.mobile-drawer.open { transform: translateX(0); }
.drawer-backdrop { position: fixed; z-index: 1100; inset: 0; background: rgba(7,58,104,.38); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.drawer-logo { width: 126px; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 12px; background: var(--soft); color: var(--deep); font-size: 28px; line-height: 1; cursor: pointer; }
.mobile-drawer nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 18px 0; }
.mobile-drawer nav a { padding: 10px 12px; border-radius: 12px; background: #F7FCFF; color: #31536F; font-weight: 700; }
.mobile-drawer nav a.active { background: var(--soft); color: var(--primary-strong); }
.drawer-register { width: 100%; }
.site-main { padding-top: var(--header-height); }
section { padding-block: clamp(54px, 7vw, 92px); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 12px; color: var(--primary-strong); font-size: 13px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 24px; height: 3px; border-radius: 3px; background: linear-gradient(90deg, #35D7FF, #1688D8); }
h1, h2, h3 { margin-top: 0; color: var(--deep); line-height: 1.28; }
h1 { margin-bottom: 20px; font-size: clamp(34px, 5vw, 64px); letter-spacing: -.035em; }
h2 { margin-bottom: 14px; font-size: clamp(26px, 3vw, 42px); letter-spacing: -.02em; }
h3 { margin-bottom: 10px; font-size: clamp(19px, 2vw, 24px); }
p { margin-top: 0; }
.section-heading { max-width: 820px; margin-bottom: 30px; }
.section-heading p { color: var(--muted); font-size: 17px; }
.page-hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr); gap: clamp(28px, 5vw, 76px); align-items: center; padding-top: clamp(64px, 8vw, 110px); }
.page-hero-copy p { max-width: 760px; color: var(--muted); font-size: clamp(17px, 1.5vw, 20px); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 28px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--primary-strong); font-weight: 800; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(3px); }
.page-hero-media { margin: 0; min-height: 340px; display: grid; place-items: center; padding: clamp(16px, 3vw, 34px); overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: radial-gradient(circle at top right, #DDF6FF, #FFFFFF 65%); box-shadow: var(--shadow); }
.page-hero-media img { width: 100%; max-height: 430px; object-fit: contain; }
.carousel-section { padding-top: clamp(28px, 4vw, 50px); padding-bottom: 32px; }
.carousel { position: relative; overflow: hidden; min-height: clamp(260px, 43vw, 590px); border: 1px solid var(--border); border-radius: clamp(18px, 2.5vw, 30px); background: #E8F7FF; box-shadow: var(--shadow); }
.carousel-track { position: relative; min-height: inherit; }
.carousel-slide { position: absolute; inset: 0; opacity: 0; pointer-events: none; transition: opacity .55s ease; }
.carousel-slide.active { opacity: 1; pointer-events: auto; }
.carousel-slide img { width: 100%; height: 100%; min-height: inherit; object-fit: contain; background: #E8F7FF; }
.carousel-arrow { position: absolute; z-index: 3; top: 50%; width: 48px; height: 48px; transform: translateY(-50%); border: 1px solid rgba(255,255,255,.72); border-radius: 50%; background: rgba(7,58,104,.58); color: #fff; font-size: 28px; cursor: pointer; backdrop-filter: blur(8px); }
.carousel-arrow.prev { left: 18px; }
.carousel-arrow.next { right: 18px; }
.carousel-dots { position: absolute; z-index: 3; left: 50%; bottom: 18px; display: flex; gap: 9px; transform: translateX(-50%); }
.carousel-dot { width: 10px; height: 10px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.72); box-shadow: 0 2px 8px rgba(0,0,0,.2); cursor: pointer; }
.carousel-dot.active { width: 28px; border-radius: 999px; background: #fff; }
.intro-band { padding-top: 26px; }
.intro-panel { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; padding: clamp(26px, 4vw, 52px); border: 1px solid var(--border); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.intro-panel p { color: var(--muted); }
.intro-points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.mini-point { padding: 20px; border-radius: 18px; background: var(--soft); }
.mini-point strong { display: block; margin-bottom: 6px; color: var(--deep); }
.mini-point span { color: var(--muted); font-size: 14px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.quick-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.info-card, .review-card { min-width: 0; overflow: hidden; border: 1px solid var(--border); border-radius: 22px; background: #fff; box-shadow: 0 12px 34px rgba(21,90,157,.08); transition: transform .2s ease, box-shadow .2s ease; }
.info-card:hover, .review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-media { margin: 0; aspect-ratio: 16/10; display: grid; place-items: center; overflow: hidden; background: #EAF8FF; }
.card-media img { width: 100%; height: 100%; object-fit: contain; }
.card-body { padding: 24px; }
.card-body p { color: var(--muted); }
.card-tag { display: inline-flex; margin-bottom: 10px; padding: 5px 10px; border-radius: 999px; background: var(--soft); color: var(--primary-strong); font-size: 12px; font-weight: 900; }
.quick-card { min-height: 100%; padding: 22px; border: 1px solid var(--border); border-radius: 18px; background: rgba(255,255,255,.9); }
.quick-card h3 { font-size: 19px; }
.quick-card p { color: var(--muted); font-size: 14px; }
.soft-section { background: linear-gradient(180deg, rgba(232,247,255,.82), rgba(244,251,255,.22)); }
.split-section { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, .82fr); gap: clamp(28px, 5vw, 70px); align-items: center; }
.split-media { margin: 0; padding: 22px; border: 1px solid var(--border); border-radius: 24px; background: #fff; box-shadow: var(--shadow); }
.split-media img { width: 100%; max-height: 440px; object-fit: contain; }
.check-list { display: grid; gap: 12px; margin: 24px 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 30px; color: var(--muted); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 2px; width: 22px; height: 22px; display: grid; place-items: center; border-radius: 50%; background: var(--soft); color: var(--primary-strong); font-weight: 900; }
.step-list { counter-reset: step; display: grid; gap: 16px; margin: 0; padding: 0; list-style: none; }
.step-list li { display: grid; grid-template-columns: 52px 1fr; gap: 16px; padding: 22px; border: 1px solid var(--border); border-radius: 18px; background: #fff; }
.step-list li > span { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 14px; background: linear-gradient(135deg, #35D7FF, #1688D8); color: #fff; font-weight: 900; }
.step-list p { margin-bottom: 0; color: var(--muted); }
.review-card { margin: 0; padding: 26px; }
.review-card > p { min-height: 112px; color: #3B556B; }
.review-card footer { display: flex; justify-content: space-between; gap: 12px; padding-top: 16px; border-top: 1px solid var(--border); }
.review-card footer strong { color: var(--deep); }
.review-card footer span { color: var(--muted); font-size: 13px; }
.notice-card { display: grid; grid-template-columns: 54px 1fr; gap: 18px; padding: clamp(24px, 4vw, 38px); border: 1px solid rgba(22,136,216,.24); border-radius: 22px; background: linear-gradient(135deg, #F8FDFF, #E8F7FF); }
.notice-mark { width: 50px; height: 50px; display: grid; place-items: center; border-radius: 16px; color: #fff; background: linear-gradient(135deg, #35D7FF, #1688D8); font-size: 22px; font-weight: 900; }
.notice-card h2 { font-size: clamp(22px, 2.4vw, 32px); }
.notice-card p { margin-bottom: 0; color: var(--muted); }
.faq-list { display: grid; gap: 12px; }
.faq-list details { border: 1px solid var(--border); border-radius: 18px; background: #fff; box-shadow: 0 8px 24px rgba(21,90,157,.06); }
.faq-list summary { position: relative; padding: 20px 58px 20px 22px; color: var(--deep); font-weight: 800; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; top: 16px; right: 20px; width: 32px; height: 32px; display: grid; place-items: center; border-radius: 10px; background: var(--soft); color: var(--primary-strong); font-size: 22px; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { padding: 0 22px 22px; margin: 0; color: var(--muted); }
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.stat-card { padding: 24px; border: 1px solid var(--border); border-radius: 20px; background: #fff; }
.stat-card strong { display: block; margin-bottom: 7px; color: var(--primary-strong); font-size: 28px; }
.stat-card span { color: var(--muted); }
.global-compliance { padding-block: 34px; background: #E8F7FF; border-top: 1px solid var(--border); }
.compliance-inner { display: grid; grid-template-columns: .85fr 1.15fr; gap: 36px; align-items: center; }
.compliance-inner h2 { margin-bottom: 0; font-size: clamp(22px, 2.6vw, 34px); }
.compliance-inner p { margin-bottom: 0; color: var(--muted); }
.site-footer { padding-top: 58px; background: var(--footer); color: var(--footer-text); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; padding-bottom: 40px; }
.footer-brand img { width: 150px; margin-bottom: 18px; filter: brightness(0) invert(1); }
.footer-brand p { max-width: 440px; color: rgba(234,248,255,.76); }
.site-footer h2 { margin-bottom: 16px; color: #fff; font-size: 18px; }
.site-footer a { display: block; width: fit-content; margin: 8px 0; color: rgba(234,248,255,.78); }
.site-footer a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 22px; border-top: 1px solid rgba(234,248,255,.14); color: rgba(234,248,255,.68); font-size: 13px; }
.footer-bottom p { margin: 0; }
.two-column-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.copy-card { padding: 28px; border: 1px solid var(--border); border-radius: 22px; background: #fff; }
.copy-card p { color: var(--muted); }
.table-like { overflow: hidden; border: 1px solid var(--border); border-radius: 20px; background: #fff; }
.table-row { display: grid; grid-template-columns: .7fr 1.3fr; gap: 20px; padding: 20px 24px; border-bottom: 1px solid var(--border); }
.table-row:last-child { border-bottom: 0; }
.table-row strong { color: var(--deep); }
.table-row span { color: var(--muted); }
.contact-form { display: grid; gap: 16px; padding: 28px; border: 1px solid var(--border); border-radius: 22px; background: #fff; }
.contact-form label { display: grid; gap: 7px; color: var(--deep); font-weight: 700; }
.contact-form input, .contact-form textarea, .contact-form select { width: 100%; padding: 13px 14px; border: 1px solid var(--border); border-radius: 12px; background: #F9FDFF; color: var(--text); }
.contact-form textarea { min-height: 140px; resize: vertical; }
@media (max-width: 1179px) {
    .desktop-nav { display: none; }
    .menu-toggle { display: block; }
    .header-inner { gap: 12px; }
    .header-actions { margin-left: auto; }
}
@media (max-width: 980px) {
    .page-hero, .split-section, .intro-panel, .compliance-inner { grid-template-columns: 1fr; }
    .page-hero-media { min-height: 260px; }
    .feature-grid, .review-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .quick-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-grid > div:last-child { grid-column: 2 / 4; }
}
@media (max-width: 720px) {
    :root { --header-height: 68px; }
    .section-shell, .header-inner { width: min(100% - 24px, 1360px); }
    section { padding-block: 46px; }
    .brand-logo { width: 108px; }
    .main-btn { min-height: 40px; padding: 9px 17px; }
    .header-actions { gap: 8px; }
    .menu-toggle { width: 40px; height: 40px; padding: 8px; }
    .carousel { min-height: 220px; border-radius: 18px; }
    .carousel-arrow { width: 40px; height: 40px; font-size: 22px; }
    .carousel-arrow.prev { left: 10px; }
    .carousel-arrow.next { right: 10px; }
    .carousel-dots { bottom: 11px; }
    .feature-grid, .review-grid, .quick-grid, .stat-grid, .two-column-copy, .footer-grid { grid-template-columns: 1fr; }
    .footer-grid > div:last-child { grid-column: auto; }
    .intro-points { grid-template-columns: 1fr; }
    .page-hero { padding-top: 52px; }
    .page-hero-media { min-height: 220px; }
    .review-card > p { min-height: auto; }
    .footer-bottom { flex-direction: column; }
    .mobile-drawer nav { grid-template-columns: 1fr; }
    .table-row { grid-template-columns: 1fr; gap: 6px; }
}
@media (max-width: 410px) {
    .header-inner { width: min(100% - 16px, 1360px); }
    .brand-logo { width: 96px; }
    .header-actions .main-btn { padding-inline: 14px; }
    .carousel-arrow { display: none; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
