@charset "UTF-8";

:root {
    --bg: #F4FBFF;
    --surface: #FFFFFF;
    --surface-soft: #E8F7FF;
    --primary: #10AEEA;
    --primary-strong: #1688D8;
    --deep-blue: #155A9D;
    --text: #24384A;
    --muted: #60758A;
    --border: rgba(16, 174, 234, 0.18);
    --footer: #073A68;
    --footer-text: #EAF8FF;
    --shadow: 0 18px 50px rgba(21, 90, 157, 0.11);
    --shadow-soft: 0 10px 30px rgba(21, 90, 157, 0.08);
    --radius-lg: 28px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --header-height: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 0;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
body.drawer-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }

.skip-link {
    position: fixed;
    left: 16px;
    top: -80px;
    z-index: 3000;
    padding: 10px 16px;
    border-radius: 10px;
    background: var(--primary-strong);
    color: #fff;
    transition: top .2s ease;
}
.skip-link:focus { top: 12px; }

.container { width: min(100% - 32px, 1180px); margin-inline: auto; }
.site-main { padding-top: var(--header-height); }

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1000;
    height: var(--header-height);
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, .96);
    box-shadow: 0 8px 24px rgba(21, 90, 157, .06);
    backdrop-filter: blur(16px);
}
.header-container {
    width: min(100% - 32px, 1360px);
    height: 100%;
    margin-inline: auto;
    display: flex;
    align-items: center;
    gap: clamp(12px, 1.2vw, 22px);
}
.site-logo { flex: 0 0 auto; display: inline-flex; align-items: center; }
.site-logo img { width: clamp(112px, 9.5vw, 154px); height: auto; object-fit: contain; }
.desktop-nav {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(6px, .78vw, 15px);
    overflow: hidden;
}
.desktop-nav a {
    position: relative;
    flex: 0 0 auto;
    white-space: nowrap;
    color: #35546d;
    font-size: clamp(12px, .83vw, 14px);
    font-weight: 650;
    line-height: 1;
    padding: 12px 0;
    transition: color .2s ease;
}
.desktop-nav a:hover,
.desktop-nav a[aria-current="page"] { color: var(--primary-strong); }
.desktop-nav a[aria-current="page"]::after {
    content: "";
    position: absolute;
    left: 12%; right: 12%; bottom: 5px;
    height: 2px;
    border-radius: 99px;
    background: linear-gradient(90deg, var(--primary), var(--primary-strong));
}
.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, .22);
    font-weight: 750;
    white-space: nowrap;
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover { transform: translateY(-1px); box-shadow: 0 14px 30px rgba(22, 136, 216, .28); }
.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 13px;
    background: #fff;
    cursor: pointer;
}
.menu-toggle span { display: block; height: 2px; margin: 4px 0; border-radius: 99px; background: var(--deep-blue); }

.drawer-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1200;
    background: rgba(7, 58, 104, .42);
    backdrop-filter: blur(3px);
}
.mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1300;
    width: min(88vw, 360px);
    height: 100dvh;
    padding: 20px;
    background: #fff;
    box-shadow: -20px 0 50px rgba(7, 58, 104, .18);
    transform: translateX(105%);
    transition: transform .28s ease;
    overflow-y: auto;
}
.mobile-drawer.is-open { transform: translateX(0); }
.drawer-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.drawer-logo img { width: 142px; height: auto; object-fit: contain; }
.drawer-close { width: 40px; height: 40px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface-soft); color: var(--deep-blue); font-size: 28px; line-height: 1; cursor: pointer; }
.mobile-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 18px 0; }
.mobile-nav a { padding: 11px 12px; border: 1px solid transparent; border-radius: 12px; background: #f8fcff; color: #35546d; font-weight: 650; }
.mobile-nav a:hover,
.mobile-nav a[aria-current="page"] { border-color: var(--border); background: var(--surface-soft); color: var(--primary-strong); }

.hero-carousel { padding: 24px 0 34px; }
.carousel {
    position: relative;
    overflow: hidden;
    min-height: 220px;
    aspect-ratio: 16 / 5.7;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #eefaff, #fff);
    box-shadow: var(--shadow);
}
.carousel-track { position: relative; height: 100%; }
.carousel-slide { position: absolute; inset: 0; opacity: 0; pointer-events: none; transition: opacity .55s ease; }
.carousel-slide.is-active { opacity: 1; pointer-events: auto; }
.carousel-slide img { width: 100%; height: 100%; object-fit: contain; object-position: center; }
.carousel-arrow {
    position: absolute;
    top: 50%;
    z-index: 3;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255,255,255,.8);
    border-radius: 50%;
    background: rgba(7, 58, 104, .5);
    color: #fff;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    transform: translateY(-50%);
    backdrop-filter: blur(8px);
}
.carousel-arrow:hover { background: rgba(22, 136, 216, .8); }
.carousel-arrow--prev { left: 18px; }
.carousel-arrow--next { right: 18px; }
.carousel-dots { position: absolute; left: 50%; bottom: 14px; z-index: 3; display: flex; gap: 8px; transform: translateX(-50%); }
.carousel-dot { width: 9px; height: 9px; padding: 0; border: 1px solid rgba(255,255,255,.9); border-radius: 50%; background: rgba(7,58,104,.34); cursor: pointer; }
.carousel-dot.is-active { width: 24px; border-radius: 99px; background: #fff; }

.home-intro { padding: 14px 0 40px; }
.home-intro__box {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(260px, .75fr);
    gap: 28px;
    align-items: center;
    padding: clamp(24px, 4vw, 54px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #fff 0%, #effaff 100%);
    box-shadow: var(--shadow-soft);
}
.home-intro h1,
.page-hero h1 { margin: 8px 0 16px; color: var(--deep-blue); font-size: clamp(32px, 5vw, 60px); line-height: 1.15; letter-spacing: -.03em; }
.home-intro p { margin: 0; }
.home-intro__aside { display: grid; gap: 12px; }
.stat-card { padding: 18px; border: 1px solid var(--border); border-radius: 18px; background: rgba(255,255,255,.86); }
.stat-card strong { display: block; color: var(--primary-strong); font-size: 18px; }
.stat-card span { color: var(--muted); font-size: 14px; }
.eyebrow, .card-kicker { margin: 0; color: var(--primary-strong); font-size: 13px; font-weight: 800; letter-spacing: .1em; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 24px; }
.text-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary-strong); font-weight: 750; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }

.section-heading { max-width: 760px; margin-bottom: 26px; }
.section-heading h2,
.content-section h2,
.compliance-box h2 { margin: 0 0 10px; color: var(--deep-blue); font-size: clamp(26px, 3.2vw, 40px); line-height: 1.25; }
.section-heading p,
.content-section p,
.compliance-box p { margin: 0 0 14px; color: var(--muted); }
.card-section,
.content-section,
.review-section,
.faq-section,
.compliance-section { padding: clamp(42px, 7vw, 84px) 0; }
.card-section:nth-of-type(even),
.content-section:nth-of-type(even) { background: linear-gradient(180deg, rgba(232,247,255,.55), rgba(244,251,255,0)); }
.info-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.info-card {
    min-width: 0;
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: #fff;
    box-shadow: var(--shadow-soft);
}
.info-card h3 { margin: 6px 0 10px; color: var(--deep-blue); font-size: 21px; line-height: 1.35; }
.info-card p { margin: 0 0 14px; color: var(--muted); }

.content-section__inner { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.content-section:not(.content-section--media) .content-section__inner { grid-template-columns: minmax(0, 1fr); }
.content-section--reverse .content-section__copy { order: 2; }
.content-section--reverse .content-section__media { order: 1; }
.content-section__media,
.page-hero__media {
    overflow: hidden;
    margin: 0;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: #fff;
    box-shadow: var(--shadow);
}
.content-section__media img { width: 100%; max-height: 460px; object-fit: contain; border-radius: 18px; }
.check-list { display: grid; gap: 10px; margin: 22px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 28px; color: #35546d; }
.check-list li::before { content: ""; position: absolute; left: 0; top: .68em; width: 13px; height: 13px; border: 4px solid #c8f2ff; border-radius: 50%; background: var(--primary-strong); transform: translateY(-50%); }

.page-hero { padding: clamp(42px, 7vw, 88px) 0 34px; background: radial-gradient(circle at 75% 22%, rgba(53,215,255,.22), transparent 34%), linear-gradient(180deg, #fff, var(--bg)); }
.page-hero__inner { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr); gap: clamp(30px, 5vw, 72px); align-items: center; }
.page-hero__inner:has(.page-hero__copy:only-child) { grid-template-columns: 1fr; }
.page-hero__copy { max-width: 760px; }
.page-lead { margin: 0; color: var(--muted); font-size: clamp(17px, 1.5vw, 20px); }
.page-hero__media img { width: 100%; max-height: 420px; object-fit: contain; border-radius: 18px; }

.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.review-card { margin: 0; padding: 24px; border: 1px solid var(--border); border-radius: var(--radius-md); background: #fff; box-shadow: var(--shadow-soft); }
.review-card p { margin: 0 0 18px; color: #35546d; }
.review-card footer { color: var(--primary-strong); font-weight: 800; }

.faq-list { display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: 16px; background: #fff; box-shadow: 0 8px 24px rgba(21,90,157,.05); }
.faq-item summary { position: relative; padding: 18px 50px 18px 20px; color: var(--deep-blue); font-weight: 800; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 20px; top: 50%; color: var(--primary-strong); font-size: 24px; transform: translateY(-50%); }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { margin: 0; padding: 0 20px 20px; color: var(--muted); }

.compliance-box { padding: clamp(24px, 4vw, 42px); border: 1px solid rgba(16,174,234,.24); border-radius: var(--radius-lg); background: linear-gradient(135deg, #e7f8ff, #fff); }
.compliance-box p:last-child { margin-bottom: 0; }

.site-footer { margin-top: 20px; padding: 58px 0 24px; background: var(--footer); color: var(--footer-text); }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 34px; }
.footer-brand img { width: 150px; height: auto; padding: 8px 12px; border-radius: 12px; background: #fff; object-fit: contain; }
.footer-brand p { max-width: 460px; color: rgba(234,248,255,.78); }
.footer-column { display: flex; flex-direction: column; gap: 9px; }
.footer-column h2 { margin: 0 0 8px; color: #fff; font-size: 17px; }
.footer-column a { color: rgba(234,248,255,.82); }
.footer-column a:hover { color: #fff; }
.footer-bottom { margin-top: 36px; padding-top: 22px; border-top: 1px solid rgba(234,248,255,.16); }
.footer-bottom p { margin: 4px 0; color: rgba(234,248,255,.72); font-size: 13px; }

@media (max-width: 1180px) {
    .desktop-nav { display: none; }
    .menu-toggle { display: block; }
    .site-logo { margin-right: auto; }
}

@media (max-width: 900px) {
    .home-intro__box,
    .page-hero__inner,
    .content-section__inner { grid-template-columns: 1fr; }
    .content-section--reverse .content-section__copy,
    .content-section--reverse .content-section__media { order: initial; }
    .info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .review-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .carousel { aspect-ratio: 16 / 7.5; }
}

@media (max-width: 640px) {
    :root { --header-height: 68px; }
    .container,
    .header-container { width: min(100% - 24px, 1180px); }
    .header-container { gap: 8px; }
    .site-logo img { width: 108px; }
    .header-register { min-height: 38px; padding: 8px 16px; font-size: 14px; }
    .menu-toggle { width: 38px; height: 38px; padding: 8px; }
    .hero-carousel { padding-top: 14px; }
    .carousel { min-height: 185px; aspect-ratio: 16 / 9; border-radius: 20px; }
    .carousel-arrow { width: 38px; height: 38px; font-size: 24px; }
    .carousel-arrow--prev { left: 10px; }
    .carousel-arrow--next { right: 10px; }
    .home-intro__box { padding: 24px; }
    .home-intro h1,
    .page-hero h1 { font-size: clamp(30px, 10vw, 44px); }
    .info-grid { grid-template-columns: 1fr; }
    .info-card { padding: 20px; }
    .content-section__media,
    .page-hero__media { padding: 8px; border-radius: 20px; }
    .mobile-nav { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 380px) {
    .site-logo img { width: 94px; }
    .header-register { padding-inline: 13px; }
    .header-container { width: min(100% - 16px, 1180px); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
