:root {
    --bg: #F4FBFF;
    --surface: #FFFFFF;
    --soft: #E8F7FF;
    --primary: #10AEEA;
    --primary-dark: #1688D8;
    --navy: #155A9D;
    --text: #24384A;
    --muted: #60758A;
    --border: rgba(16,174,234,.18);
    --footer: #073A68;
    --shadow: 0 18px 45px rgba(20, 110, 170, .12);
    --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 0;
    overflow-x: hidden;
    background: radial-gradient(circle at top left, rgba(53,215,255,.11), transparent 32%), var(--bg);
    color: var(--text);
    font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.75;
    padding-top: 78px;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }

.site-header {
    position: fixed;
    z-index: 1000;
    inset: 0 0 auto 0;
    height: 78px;
    background: rgba(255,255,255,.96);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 10px 28px rgba(18, 93, 145, .08);
    backdrop-filter: blur(14px);
}
.header-inner {
    width: min(100% - 32px, 1360px);
    height: 100%;
    margin-inline: auto;
    display: flex;
    align-items: center;
    gap: clamp(12px, 1.5vw, 24px);
    min-width: 0;
}
.brand-logo { flex: 0 0 auto; display: inline-flex; align-items: center; }
.brand-logo img { width: clamp(112px, 10vw, 148px); max-height: 48px; object-fit: contain; }
.desktop-nav {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(5px, .7vw, 12px);
    overflow: hidden;
}
.desktop-nav a {
    white-space: nowrap;
    font-size: clamp(11px, .82vw, 14px);
    color: #36566f;
    padding: 8px clamp(4px, .38vw, 7px);
    border-radius: 999px;
    transition: .2s ease;
}
.desktop-nav a:hover, .desktop-nav a.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;
    padding: 0 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,.22);
    font-weight: 700;
    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: 14px; background: #fff; cursor: pointer; }
.menu-toggle span { display: block; width: 100%; height: 2px; margin: 5px 0; background: var(--navy); border-radius: 999px; }

.drawer-backdrop { position: fixed; z-index: 1090; inset: 0; background: rgba(7,58,104,.36); }
.mobile-drawer {
    position: fixed;
    z-index: 1100;
    top: 0;
    right: 0;
    width: min(88vw, 380px);
    height: 100dvh;
    padding: 20px;
    background: #fff;
    transform: translateX(105%);
    transition: transform .28s ease;
    box-shadow: -18px 0 45px rgba(7,58,104,.18);
    overflow-y: auto;
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.drawer-logo img { width: 132px; max-height: 46px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 50%; background: var(--soft); color: var(--navy); font-size: 28px; line-height: 1; cursor: pointer; }
.mobile-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; padding: 20px 0; }
.mobile-nav a { padding: 12px 14px; border-radius: 14px; background: #f8fcff; border: 1px solid var(--border); color: #35546b; font-size: 14px; }
.mobile-nav a.active { background: var(--soft); color: var(--primary-dark); font-weight: 700; }
.drawer-register { width: 100%; }

.section-shell { width: min(100% - 32px, 1180px); margin-inline: auto; }
.section-block { padding: 78px 0; }
.section-heading { max-width: 760px; margin-bottom: 30px; }
.section-heading h2, .split-section h2, .compliance-box h2 { margin: 8px 0 14px; color: var(--navy); font-size: clamp(28px, 4vw, 44px); line-height: 1.2; }
.section-heading p, .split-section p, .page-hero p { margin: 0 0 14px; color: var(--muted); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--primary-dark); font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 24px; height: 3px; border-radius: 99px; background: linear-gradient(90deg, #35D7FF, #1688D8); }
.text-link { display: inline-flex; align-items: center; gap: 7px; margin-top: 8px; color: var(--primary-dark); font-weight: 700; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }

.home-carousel-wrap { padding: 24px 0 0; }
.hero-carousel { position: relative; overflow: hidden; border-radius: 28px; background: #dff5ff; box-shadow: var(--shadow); }
.carousel-track { display: flex; transition: transform .55s ease; will-change: transform; }
.carousel-slide { flex: 0 0 100%; aspect-ratio: 16 / 6.2; min-height: 280px; background: #eaf8ff; }
.carousel-slide img { width: 100%; height: 100%; object-fit: contain; }
.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 46px;
    height: 46px;
    border: 1px solid rgba(255,255,255,.75);
    border-radius: 50%;
    background: rgba(7,58,104,.58);
    color: #fff;
    cursor: pointer;
    font-size: 28px;
    line-height: 1;
}
.carousel-prev { left: 18px; }
.carousel-next { right: 18px; }
.carousel-dots { position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%); display: flex; gap: 8px; }
.carousel-dot { width: 9px; height: 9px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.65); cursor: pointer; box-shadow: 0 0 0 1px rgba(7,58,104,.15); }
.carousel-dot.active { width: 26px; border-radius: 999px; background: #fff; }

.home-intro { padding: 72px 0 28px; display: grid; grid-template-columns: 1.25fr .75fr; gap: 28px; align-items: stretch; }
.home-intro__copy, .home-intro__panel { padding: clamp(28px, 4vw, 48px); border-radius: var(--radius); }
.home-intro__copy { background: #fff; box-shadow: var(--shadow); }
.home-intro__copy h1 { margin: 10px 0 16px; font-size: clamp(36px, 6vw, 64px); line-height: 1.08; color: var(--navy); }
.home-intro__copy p { color: var(--muted); margin: 0 0 20px; }
.home-intro__panel { background: linear-gradient(145deg, #e7f8ff, #fff); border: 1px solid var(--border); display: grid; align-content: center; gap: 18px; }
.stat-item strong { display: block; color: var(--primary-dark); font-size: 28px; }
.stat-item span { color: var(--muted); font-size: 14px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 24px; }

.quick-grid, .card-grid { display: grid; gap: 18px; }
.quick-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
.card-grid.cols-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.card-grid.cols-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.card-grid.cols-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.info-card {
    min-width: 0;
    padding: 24px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: 0 12px 28px rgba(17, 102, 160, .07);
    transition: transform .2s ease, box-shadow .2s ease;
}
.info-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.info-card h3 { margin: 8px 0 10px; color: var(--navy); font-size: 21px; }
.info-card p { margin: 0; color: var(--muted); }
.card-tag { display: inline-block; padding: 4px 10px; border-radius: 999px; background: var(--soft); color: var(--primary-dark); font-size: 12px; font-weight: 700; }

.split-section { padding: 74px 0; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 72px); align-items: center; }
.split-section.reverse .split-section__content { order: 2; }
.split-section.reverse .split-section__media { order: 1; }
.split-section__content { min-width: 0; }
.split-section__media { min-width: 0; margin: 0; padding: 16px; border-radius: var(--radius); background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.split-section__media img { width: 100%; max-height: 420px; object-fit: contain; border-radius: 18px; background: #f8fcff; }

.band-section { padding: 78px 0; background: linear-gradient(135deg, rgba(232,247,255,.92), rgba(255,255,255,.72)); border-block: 1px solid var(--border); }
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.review-card { margin: 0; padding: 24px; border-radius: 20px; background: #fff; border: 1px solid var(--border); box-shadow: 0 12px 28px rgba(17,102,160,.07); }
.review-card p { margin: 0 0 18px; color: #35546b; }
.review-card footer { color: var(--primary-dark); font-weight: 700; }

.page-hero { padding: 58px 0 34px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 42px; align-items: center; }
.page-hero__content { min-width: 0; }
.page-hero h1 { margin: 10px 0 18px; color: var(--navy); font-size: clamp(38px, 6vw, 64px); line-height: 1.08; }
.page-hero__media { margin: 0; padding: 18px; border-radius: 28px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.page-hero__media img { width: 100%; max-height: 400px; object-fit: contain; border-radius: 20px; background: #f8fcff; }

.rich-copy { padding: 70px 0; }
.rich-copy article { padding: clamp(26px, 4vw, 48px); border-radius: 24px; background: #fff; box-shadow: var(--shadow); }
.rich-copy h2 { color: var(--navy); font-size: clamp(28px, 4vw, 42px); margin-top: 0; }
.rich-copy h3 { color: var(--primary-dark); margin-top: 28px; }
.rich-copy p, .rich-copy li { color: var(--muted); }
.list-clean { padding-left: 1.2em; }

.faq-list { display: grid; gap: 14px; }
.faq-item { padding: 22px 24px; border-radius: 18px; background: #fff; border: 1px solid var(--border); box-shadow: 0 10px 24px rgba(17,102,160,.05); }
.faq-item h3 { margin: 0 0 9px; color: var(--navy); font-size: 19px; }
.faq-item p { margin: 0; color: var(--muted); }

.compliance-box { margin-top: 40px; margin-bottom: 80px; padding: clamp(28px, 4vw, 46px); border-radius: 26px; color: #eaf8ff; background: linear-gradient(145deg, #0a4c84, #073A68); box-shadow: 0 20px 44px rgba(7,58,104,.2); }
.compliance-box .eyebrow, .compliance-box h2 { color: #fff; }
.compliance-box .eyebrow::before { background: #69ddff; }
.compliance-box p { color: #d9efff; }
.light-link { color: #fff; }

.site-footer { background: var(--footer); color: #eaf8ff; }
.footer-inner { width: min(100% - 32px, 1180px); margin-inline: auto; padding: 64px 0 42px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 50px; }
.footer-brand img { width: 150px; max-height: 50px; object-fit: contain; filter: brightness(0) invert(1); }
.footer-brand p { max-width: 440px; color: #cfe8f8; }
.footer-links { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; }
.footer-links h2 { margin: 0 0 14px; color: #fff; font-size: 16px; }
.footer-links a { display: block; margin: 8px 0; color: #cfe8f8; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 18px 16px; text-align: center; color: #bcd9eb; font-size: 13px; }
.footer-bottom p { margin: 4px 0; }

@media (max-width: 1320px) {
    .desktop-nav { display: none; }
    .menu-toggle { display: inline-block; }
    .header-inner { justify-content: space-between; }
}
@media (max-width: 980px) {
    .quick-grid, .card-grid.cols-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .card-grid.cols-3, .review-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .home-intro, .page-hero, .split-section { grid-template-columns: 1fr; }
    .page-hero__media { max-width: 760px; width: 100%; }
    .split-section.reverse .split-section__content, .split-section.reverse .split-section__media { order: initial; }
    .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
    body { padding-top: 68px; }
    .site-header { height: 68px; }
    .header-inner { width: min(100% - 20px, 1360px); gap: 8px; }
    .brand-logo img { width: 110px; }
    .header-actions .main-btn { min-height: 38px; padding: 0 17px; }
    .menu-toggle { width: 40px; height: 40px; }
    .section-shell { width: min(100% - 22px, 1180px); }
    .home-carousel-wrap { padding-top: 12px; }
    .hero-carousel { border-radius: 18px; }
    .carousel-slide { aspect-ratio: 16/9; min-height: 190px; }
    .carousel-control { width: 38px; height: 38px; font-size: 22px; }
    .carousel-prev { left: 10px; }
    .carousel-next { right: 10px; }
    .carousel-dots { bottom: 10px; }
    .home-intro { padding-top: 36px; }
    .home-intro__copy, .home-intro__panel { padding: 24px; }
    .quick-grid, .card-grid.cols-2, .card-grid.cols-3, .card-grid.cols-4, .review-grid { grid-template-columns: 1fr; }
    .section-block, .split-section, .rich-copy { padding: 52px 0; }
    .page-hero { padding-top: 38px; }
    .page-hero h1, .home-intro__copy h1 { font-size: 38px; }
    .footer-links { grid-template-columns: 1fr 1fr; }
    .mobile-nav { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}
