:root {
    --navy: #0b1f3a;
    --navy-soft: #16345c;
    --gold: #c9a227;
    --text: #243044;
    --muted: #667085;
    --bg: #f4f6f9;
    --white: #fff;
    --line: #e6ebf2;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(11, 31, 58, .96);
    color: var(--white);
    backdrop-filter: blur(8px);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 78px; gap: 20px; }
.logo { display: flex; align-items: center; gap: 12px; color: var(--white); }
.logo-mark {
    width: 44px; height: 44px; border-radius: 10px;
    display: grid; place-items: center;
    background: linear-gradient(135deg, var(--gold), #efd27a);
    color: var(--navy); font-weight: 700;
}
.logo-text { display: flex; flex-direction: column; }
.logo-text strong { font-size: 16px; }
.logo-text small { color: rgba(255,255,255,.7); font-size: 12px; }
.nav { display: flex; gap: 22px; }
.nav a { color: rgba(255,255,255,.82); font-size: 15px; padding: 6px 0; border-bottom: 2px solid transparent; }
.nav a.active, .nav a:hover { color: var(--gold); border-color: var(--gold); }
.nav-toggle { display: none; background: transparent; color: var(--white); border: 1px solid rgba(255,255,255,.3); padding: 6px 12px; }
.hero {
    background: radial-gradient(circle at 80% 20%, #1d4b82, var(--navy) 55%);
    color: var(--white);
    padding: 88px 0 96px;
}
.hero-inner { max-width: 720px; }
.eyebrow { letter-spacing: 2px; color: var(--gold); font-size: 13px; margin: 0 0 12px; }
.hero h1 { font-size: 42px; line-height: 1.25; margin: 0 0 18px; }
.lead { color: rgba(255,255,255,.82); font-size: 18px; }
.hero-actions, .center-more { display: flex; gap: 12px; margin-top: 28px; }
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 128px; height: 44px; padding: 0 20px; border-radius: 4px; font-weight: 600;
}
.btn-primary { background: var(--gold); color: var(--navy); }
.btn-ghost { border: 1px solid rgba(255,255,255,.4); color: var(--white); }
.section { padding: 72px 0; }
.section-muted { background: var(--bg); }
.section-head { margin-bottom: 32px; }
.section h2, .article-wrap h2 { margin: 0 0 16px; font-size: 30px; }
.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: start; }
.stat-grid, .card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.card-grid { grid-template-columns: repeat(3, 1fr); }
.card-grid.four { grid-template-columns: repeat(4, 1fr); }
.stat-card, .service-card, .idea-card, .news-item, .side-box, .contact-form, .contact-info {
    background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 22px;
}
.stat-card strong { display: block; font-size: 28px; color: var(--navy); }
.service-card:hover, .news-item:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(11,31,58,.08); }
.service-card h3, .news-item h3, .idea-card h3 { margin: 0 0 8px; color: var(--navy); }
.service-card p, .news-item p, .idea-card p, .contact-info p { margin: 0; color: var(--muted); }
.link-more { color: var(--navy-soft); font-weight: 600; }
.news-list { display: grid; gap: 14px; }
.news-item { display: grid; grid-template-columns: 120px 1fr; gap: 16px; align-items: center; }
.news-date { color: var(--gold); font-weight: 700; }
.cta { background: var(--navy); color: var(--white); text-align: center; padding: 64px 0; }
.page-banner { background: var(--navy); color: var(--white); padding: 56px 0; }
.page-banner h1 { margin: 0 0 8px; }
.article-wrap { background: var(--white); }
.rich-text p { margin: 0 0 16px; color: var(--text); }
.side-box { display: grid; gap: 10px; }
.side-box a { color: var(--muted); }
.side-box a.active, .side-box a:hover { color: var(--navy); font-weight: 600; }
.contact-form { display: grid; gap: 14px; }
.contact-form label { display: grid; gap: 6px; font-size: 14px; }
.contact-form input, .contact-form textarea {
    width: 100%; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; font: inherit;
}
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-form label.agree-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
}
.contact-form label.agree-row input[type="checkbox"] {
    width: 16px;
    height: 16px;
    min-width: 16px;
    margin: 0;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 3px;
    flex: 0 0 16px;
    appearance: auto;
}
.contact-form label.agree-row span {
    flex: 1 1 auto;
}
.contact-form label.agree-row a {
    color: var(--navy-soft);
    text-decoration: underline;
    font-weight: 600;
}
.form-msg { min-height: 22px; color: #c0392b; }
body.modal-open { overflow: hidden; }
.modal[hidden] { display: none !important; }
.modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: grid;
    place-items: center;
    padding: 20px;
}
.modal-mask {
    position: absolute;
    inset: 0;
    background: rgba(8, 22, 43, .55);
}
.modal-dialog {
    position: relative;
    z-index: 1;
    width: min(680px, 100%);
    max-height: min(80vh, 720px);
    background: #fff;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 48px rgba(11, 31, 58, .2);
}
.modal-head, .modal-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--line);
}
.modal-foot {
    border-bottom: 0;
    border-top: 1px solid var(--line);
    justify-content: flex-end;
}
.modal-head h3 { margin: 0; font-size: 18px; color: var(--navy); }
.modal-close {
    border: 0;
    background: transparent;
    font-size: 28px;
    line-height: 1;
    color: var(--muted);
    cursor: pointer;
}
.modal-body {
    padding: 16px 20px;
    overflow: auto;
}
.disclaimer-text h4 {
    margin: 16px 0 8px;
    color: var(--navy);
    font-size: 15px;
}
.disclaimer-text p {
    margin: 0 0 10px;
    color: var(--text);
    font-size: 14px;
    line-height: 1.7;
}
.disclaimer-page { max-width: 860px; }
.disclaimer-back { margin-top: 28px; }
.pager { margin-top: 28px; text-align: center; }
.pager a, .pager span { display: inline-block; padding: 6px 10px; margin: 0 3px; border: 1px solid var(--line); }
.site-footer { background: #08162b; color: rgba(255,255,255,.78); padding-top: 48px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr 1fr; gap: 32px; padding-bottom: 32px; }
.footer-grid a, .footer-grid p { display: block; color: rgba(255,255,255,.72); margin: 6px 0; }
.friend-links {
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 28px 0 8px;
}
.friend-links h4 {
    margin: 0 0 14px;
    font-size: 15px;
    color: rgba(255,255,255,.9);
}
.friend-links-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    max-height: 180px;
    overflow: auto;
    padding-bottom: 12px;
}
.friend-links-cloud a {
    color: rgba(255,255,255,.62);
    font-size: 12px;
    line-height: 1.4;
    white-space: nowrap;
}
.friend-links-cloud a:hover {
    color: var(--gold);
}
.copyright { border-top: 1px solid rgba(255,255,255,.08); padding: 16px 0; font-size: 13px; }
@media (max-width: 900px) {
    .hero h1 { font-size: 30px; }
    .split, .card-grid, .card-grid.four, .footer-grid, .news-item { grid-template-columns: 1fr; }
    .nav-toggle { display: block; }
    .nav { display: none; position: absolute; left: 0; right: 0; top: 78px; background: var(--navy); flex-direction: column; padding: 16px 24px 24px; }
    .nav.open { display: flex; }
    .friend-links-cloud { max-height: 140px; }
}