/* ===== 子页面公共样式 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: "Microsoft YaHei", "HarmonyOS Sans SC", "Noto Sans SC", sans-serif;
    background: #3e3e3e; color: #d9d9d9; line-height: 1.6; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: 1200px; margin: 0 auto; }
.nav {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    background: #3e3e3e; height: 115px; box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.nav .container { display: flex; align-items: center; height: 115px; position: relative; }
.nav-logo { width: 241px; height: 79px; margin-left: 10px; margin-top: 5px; }
.nav-logo img { width: 241px; height: auto; }
.nav-slogan {
    position: absolute; right: 54px; top: 12px;
    padding: 6px 10px 4px;
    font-family: "Times New Roman", "Microsoft YaHei", serif;
    font-size: 36px; color: #ff9900; font-weight: bold;
    letter-spacing: 1px;
    text-shadow:
        -1px -1px 0 rgba(80, 52, 27, 0.9),
        1px -1px 0 rgba(80, 52, 27, 0.9),
        -1px 1px 0 rgba(80, 52, 27, 0.9),
        1px 1px 0 rgba(80, 52, 27, 0.9),
        0 2px 10px rgba(0,0,0,0.35);
}
.nav-menu { position: absolute; bottom: 8px; left: 268px; display: flex; list-style: none; }
.nav-menu li { width: 112px; text-align: center; }
.nav-menu li a { display: block; font-size: 14px; color: #ccc; line-height: 50px; transition: color 0.3s; }
.nav-menu li a:hover, .nav-menu li.active a { color: #ff9900; font-size: 16px; }
.page-banner {
    margin-top: 115px;
    height: 118px;
    display: flex;
    align-items: center;
    background: #434343;
    border-top: 1px solid rgba(255,255,255,0.04);
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
.page-banner .container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}
.page-banner .banner-copy {
    width: 100%;
    margin-left: 0;
    text-align: center;
}
.page-banner h1 {
    font-size: 40px;
    line-height: 1.1;
    color: #fff;
    font-weight: 800;
    letter-spacing: 0;
}
.page-banner p {
    font-size: 16px;
    color: #ae7557;
    margin-top: 14px;
    line-height: 1.4;
}
.page-content { padding: 50px 0; background: #434343; min-height: 500px; }
.card { background: rgba(0,0,0,0.15); border-radius: 8px; padding: 25px; margin-bottom: 20px; transition: background 0.3s; }
.card:hover { background: rgba(0,0,0,0.25); }
.card h3 { font-size: 18px; color: #ac6844; margin-bottom: 10px; }
.card p { font-size: 15px; line-height: 1.8; }
.table-wrap { overflow-x: auto; margin-top: 20px; }
table { width: 100%; border-collapse: collapse; background: #3a3a3a; }
th, td { padding: 12px 15px; text-align: left; border-bottom: 1px solid #4a4a4a; font-size: 14px; }
th { background: #333; color: #ac6844; font-weight: bold; font-size: 13px; }
tr:hover { background: #404040; }
.btn { display: inline-block; padding: 10px 24px; border-radius: 4px; font-size: 14px; cursor: pointer; border: none; transition: all 0.2s; font-family: inherit; color: #fff; }
.btn-primary { background: #6aa84f; }
.btn-primary:hover { background: #274e13; }
.btn-accent { background: #ac6844; }
.btn-accent:hover { background: #8a5436; }
.footer { background: #3e3e3e; padding: 25px 0; text-align: left; border-top: 1px solid rgba(255,255,255,0.05); }
.footer p { font-size: 11px; color: #7e8d8d; }
.footer a { color: #7e8d8d; }
.footer a:hover { color: #ac6844; text-decoration: underline; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
.text-accent { color: #ac6844; }
.text-muted { color: #888; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mb-20 { margin-bottom: 20px; }
.section-line { width: 200px; height: 2px; background: #ae7557; margin: 10px 0 25px; }
.img-hover { transition: transform 0.3s; }
.img-hover:hover { transform: scale(1.02); }
.breadcrumb { padding: 15px 0; font-size: 13px; color: #888; }
.breadcrumb a { color: #ac6844; }
.breadcrumb a:hover { color: #ff9900; }