@charset "UTF-8";
:root {
    --bg: #F4FBFF;
    --surface: #FFFFFF;
    --soft: #E8F7FF;
    --primary: #11AEEA;
    --primary-strong: #1688D8;
    --deep: #155A9D;
    --text: #24384A;
    --muted: #60758A;
    --line: rgba(17, 174, 234, 0.18);
    --footer: #073A68;
    --footer-text: #EAF8FF;
    --gradient: linear-gradient(135deg, #35D7FF 0%, #1688D8 100%);
    --shadow: 0 18px 50px rgba(21, 90, 157, 0.12);
    --shadow-sm: 0 10px 28px rgba(21, 90, 157, 0.09);
    --radius-lg: 28px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --header-h: 78px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.skip-link {
    position: fixed;
    z-index: 9999;
    top: 10px;
    left: 10px;
    transform: translateY(-180%);
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--footer);
    color: #fff;
}
.skip-link:focus { transform: translateY(0); }
.site-header {
    position: fixed;
    z-index: 1000;
    inset: 0 0 auto;
    height: var(--header-h);
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(18px);
    box-shadow: 0 8px 30px rgba(21, 90, 157, 0.06);
}
.header-inner {
    width: min(100% - 32px, 1360px);
    height: 100%;
    margin-inline: auto;
    display: flex;
    align-items: center;
    gap: clamp(14px, 1.8vw, 28px);
}
.brand-logo { flex: 0 0 auto; display: inline-flex; align-items: center; }
.brand-logo img { width: clamp(112px, 9vw, 146px); max-height: 48px; object-fit: contain; }
.desktop-nav {
    flex: 1;
    min-width: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(4px, 0.65vw, 12px);
}
.desktop-nav a {
    flex: 0 1 auto;
    white-space: nowrap;
    padding: 10px clamp(5px, 0.6vw, 10px);
    border-radius: 999px;
    color: #35566F;
    font-size: clamp(13px, 0.92vw, 15px);
    font-weight: 600;
    transition: .2s ease;
}
.desktop-nav a:hover, .desktop-nav a.is-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: 44px;
    padding: 0 22px;
    border: 0;
    border-radius: 999px;
    background: var(--gradient);
    color: #fff;
    font-weight: 800;
    white-space: nowrap;
    box-shadow: 0 10px 24px rgba(22, 136, 216, .24);
    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(--line);
    border-radius: 14px;
    background: #fff;
}
.menu-toggle span { display: block; height: 2px; margin: 5px 0; border-radius: 2px; background: var(--deep); }
.site-main { padding-top: var(--header-h); }
.page-shell { width: min(100% - 32px, 1180px); margin-inline: auto; }
.hero-wrap { width: min(100% - 32px, 1360px); margin: 24px auto 0; }
.hero-slider {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 6;
    min-height: 250px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--soft);
    box-shadow: var(--shadow);
}
.hero-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .55s ease, visibility .55s ease; }
.hero-slide.is-active { opacity: 1; visibility: visible; }
.hero-slide img { width: 100%; height: 100%; object-fit: contain; background: var(--soft); }
.slider-btn {
    position: absolute;
    z-index: 3;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255,255,255,.7);
    border-radius: 50%;
    background: rgba(7,58,104,.44);
    color: #fff;
    font-size: 25px;
    line-height: 1;
    backdrop-filter: blur(8px);
}
.slider-btn:hover { background: rgba(7,58,104,.7); }
.slider-prev { left: 18px; }
.slider-next { right: 18px; }
.slider-dots { position: absolute; z-index: 3; left: 50%; bottom: 16px; transform: translateX(-50%); display: flex; gap: 8px; }
.slider-dot { width: 10px; height: 10px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.62); box-shadow: 0 0 0 1px rgba(7,58,104,.15); }
.slider-dot.is-active { width: 28px; border-radius: 999px; background: #fff; }
.section { padding: clamp(58px, 7vw, 96px) 0; }
.section.compact { padding: 38px 0; }
.section-soft { background: linear-gradient(180deg, rgba(232,247,255,.8), rgba(244,251,255,.35)); }
.section-white { background: rgba(255,255,255,.72); }
.section-head { max-width: 780px; margin-bottom: 30px; }
.section-head.center { margin-inline: auto; text-align: center; }
.eyebrow { display: inline-block; margin-bottom: 10px; color: var(--primary-strong); font-size: 13px; font-weight: 800; letter-spacing: .16em; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 18px; color: var(--deep); font-size: clamp(34px, 5vw, 64px); line-height: 1.16; letter-spacing: -.03em; }
h2 { margin-bottom: 14px; color: var(--deep); font-size: clamp(26px, 3.3vw, 42px); line-height: 1.25; }
h3 { margin-bottom: 10px; color: #174E7D; font-size: clamp(18px, 2vw, 23px); line-height: 1.35; }
p { margin-bottom: 16px; }
.lead { color: #3D607A; font-size: clamp(17px, 2vw, 20px); }
.muted { color: var(--muted); }
.hero-intro { padding: clamp(52px, 6vw, 84px) 0; }
.intro-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(290px, .8fr);
    gap: 30px;
    align-items: center;
    padding: clamp(28px, 4vw, 54px);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #fff 0%, #ecf9ff 100%);
    box-shadow: var(--shadow-sm);
}
.intro-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.text-link { display: inline-flex; align-items: center; gap: 7px; color: var(--primary-strong); font-weight: 800; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.stat-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.stat-card { padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.85); }
.stat-card strong { display: block; margin-bottom: 7px; color: var(--primary-strong); font-size: 22px; }
.quick-grid, .card-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.quick-grid { grid-template-columns: repeat(5, minmax(0,1fr)); }
.card {
    min-width: 0;
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}
.card p:last-child { margin-bottom: 0; }
.quick-card { display: flex; flex-direction: column; min-height: 230px; }
.quick-card .text-link { margin-top: auto; }
.card-mark {
    display: inline-grid;
    place-items: center;
    width: 44px;
    height: 44px;
    margin-bottom: 18px;
    border-radius: 14px;
    background: var(--gradient);
    color: #fff;
    font-weight: 900;
    box-shadow: 0 10px 24px rgba(22,136,216,.2);
}
.split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, .86fr);
    gap: clamp(28px, 5vw, 70px);
    align-items: center;
}
.split.reverse .media-card { order: -1; }
.media-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow); }
.media-card img { width: 100%; max-height: 520px; object-fit: contain; background: var(--soft); }
.feature-list { display: grid; gap: 14px; margin: 24px 0; padding: 0; list-style: none; }
.feature-list li { position: relative; padding: 15px 16px 15px 48px; border: 1px solid var(--line); border-radius: 15px; background: rgba(255,255,255,.8); }
.feature-list li::before { content: "✓"; position: absolute; left: 16px; top: 14px; display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--soft); color: var(--primary-strong); font-weight: 900; }
.notice-box { padding: 22px 24px; border: 1px solid rgba(22,136,216,.22); border-left: 4px solid var(--primary); border-radius: 16px; background: #fafdff; color: #3a5c75; }
.feedback-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.feedback-card { position: relative; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; box-shadow: var(--shadow-sm); }
.feedback-card::before { content: "“"; position: absolute; top: 4px; right: 18px; color: rgba(17,174,234,.16); font: 700 70px/1 Georgia, serif; }
.feedback-card strong { color: var(--primary-strong); }
.faq-list { display: grid; gap: 14px; }
.faq-list details { border: 1px solid var(--line); border-radius: 17px; background: #fff; box-shadow: 0 8px 22px rgba(21,90,157,.06); }
.faq-list summary { position: relative; padding: 19px 54px 19px 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; right: 20px; top: 50%; transform: translateY(-50%); color: var(--primary-strong); font-size: 26px; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { padding: 0 22px 20px; color: var(--muted); }
.page-hero { padding: clamp(54px, 7vw, 92px) 0 42px; background: radial-gradient(circle at 80% 20%, rgba(53,215,255,.18), transparent 34%), linear-gradient(180deg, #fff, var(--bg)); }
.page-hero-inner { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(260px, .8fr); align-items: end; gap: 30px; }
.page-hero h1 { font-size: clamp(38px, 5vw, 68px); }
.page-hero-note { padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.82); box-shadow: var(--shadow-sm); }
.info-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 20px; }
.steps { counter-reset: step; display: grid; gap: 18px; }
.step { position: relative; padding: 24px 24px 24px 76px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; box-shadow: var(--shadow-sm); }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 22px; top: 22px; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: var(--gradient); color: #fff; font-weight: 900; }
.tag-row { display: flex; flex-wrap: wrap; gap: 9px; margin: 18px 0; }
.tag { padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--soft); color: var(--deep); font-size: 14px; font-weight: 700; }
.cta-panel { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: clamp(28px, 4vw, 46px); border-radius: var(--radius-lg); background: linear-gradient(135deg, #0d75ba, #24c7ee); color: #fff; box-shadow: var(--shadow); }
.cta-panel h2, .cta-panel p { color: #fff; }
.cta-panel .main-btn { background: #fff; color: var(--primary-strong); }
.contact-form { display: grid; gap: 15px; }
.contact-form label { font-weight: 700; color: var(--deep); }
.contact-form input, .contact-form textarea, .contact-form select { width: 100%; padding: 13px 15px; border: 1px solid var(--line); border-radius: 13px; background: #fff; color: var(--text); outline: none; }
.contact-form textarea { min-height: 150px; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(17,174,234,.12); }
.site-footer { padding: 58px 0 26px; background: var(--footer); color: var(--footer-text); }
.footer-grid { width: min(100% - 32px, 1180px); margin-inline: auto; display: grid; grid-template-columns: 1.6fr repeat(3,1fr); gap: 36px; }
.footer-grid h2 { color: #fff; font-size: 18px; }
.footer-grid a { display: block; margin: 9px 0; color: rgba(234,248,255,.82); }
.footer-grid a:hover { color: #fff; }
.footer-brand p { max-width: 420px; color: rgba(234,248,255,.75); }
.footer-logo { display: inline-flex !important; margin-bottom: 18px !important; padding: 10px 14px; border-radius: 14px; background: #fff; }
.footer-logo img { width: 128px; max-height: 42px; object-fit: contain; }
.footer-notice { width: min(100% - 32px, 1180px); margin: 36px auto 0; padding-top: 24px; border-top: 1px solid rgba(234,248,255,.16); color: rgba(234,248,255,.7); font-size: 14px; }
.mobile-drawer { position: fixed; z-index: 1200; top: 0; right: 0; width: min(86vw, 370px); height: 100dvh; overflow-y: auto; transform: translateX(104%); padding: 20px; background: #fff; box-shadow: -18px 0 50px rgba(7,58,104,.2); transition: transform .24s ease; }
.mobile-drawer.is-open { transform: translateX(0); }
.drawer-overlay { position: fixed; z-index: 1100; inset: 0; opacity: 0; background: rgba(7,58,104,.42); transition: opacity .22s ease; }
.drawer-overlay.is-visible { opacity: 1; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.drawer-logo img { width: 126px; max-height: 44px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 13px; background: var(--soft); color: var(--deep); font-size: 28px; line-height: 1; }
.drawer-nav { display: grid; gap: 7px; padding: 18px 0; }
.drawer-nav a { padding: 12px 14px; border-radius: 12px; color: #35566f; font-weight: 700; }
.drawer-nav a:hover, .drawer-nav a.is-active { background: var(--soft); color: var(--primary-strong); }
.drawer-register { width: 100%; }
@media (max-width: 1179px) {
    .desktop-nav { display: none; }
    .header-inner { justify-content: space-between; }
    .menu-toggle { display: block; }
}
@media (max-width: 980px) {
    .quick-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .card-grid, .feedback-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .split, .intro-panel, .page-hero-inner { grid-template-columns: 1fr; }
    .split.reverse .media-card { order: 0; }
    .footer-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 680px) {
    :root { --header-h: 68px; }
    .header-inner, .hero-wrap, .page-shell, .footer-grid, .footer-notice { width: min(100% - 24px, 1180px); }
    .brand-logo img { width: 108px; }
    .header-actions .main-btn { min-height: 40px; padding: 0 16px; }
    .menu-toggle { width: 40px; height: 40px; }
    .hero-wrap { margin-top: 14px; }
    .hero-slider { min-height: 205px; aspect-ratio: 16 / 9; border-radius: 20px; }
    .slider-btn { width: 38px; height: 38px; font-size: 21px; }
    .slider-prev { left: 10px; }
    .slider-next { right: 10px; }
    .slider-dots { bottom: 10px; }
    .quick-grid, .card-grid, .feedback-grid, .info-grid, .footer-grid, .stat-grid { grid-template-columns: 1fr; }
    .quick-card { min-height: auto; }
    .section { padding: 52px 0; }
    .card { padding: 22px; }
    .cta-panel { align-items: flex-start; flex-direction: column; }
    .cta-panel .main-btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}