/* ===== 全局重置 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    background: #ffffff;
    color: #1a2332;
    line-height: 1.6;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 导航栏 ===== */
.navbar {
    background: #ffffff;
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 999;
}
.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img { height: 85px; width: auto; display: block; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 5px;
}
.nav-links > li { position: relative; }
.nav-links > li > a {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 15px;
    color: #3a4a5e;
    font-size: 16px;
    font-weight: 400;
    border-radius: 8px;
    transition: all 0.25s ease;
}
.nav-links > li > a:hover,
.nav-links > li > a.active {
    background: #f0f4ff;
    color: #2563eb;
}
.nav-links > li > a .arrow {
    font-size: 11px;
    transition: transform 0.3s ease;
}

/* 下拉菜单 - 纯CSS悬停 */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 180px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.12);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
}
.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: #ffffff;
    border-radius: 3px 0 0 0;
}
.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.dropdown:hover > a .arrow { transform: rotate(180deg); }
.dropdown-menu li a {
    display: block;
    padding: 10px 24px;
    color: #3a4a5e;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    white-space: nowrap;
}
.dropdown-menu li a:hover {
    background: #f0f4ff;
    color: #2563eb;
}

/* 移动端汉堡菜单 */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.menu-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    background: #1a2332;
    border-radius: 4px;
    transition: all 0.3s ease;
}

/* ===== 横幅 ===== */
.banner-area { margin-top: 0; }
.skitter { border-radius: 0; }

/* ===== 搜索栏 ===== */
.search-bar {
    background: #f5f7fa;
    padding: 24px 0;
}
.search-bar form {
    display: flex;
    max-width: 560px;
    margin: 0 auto;
    border-radius: 60px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.search-bar input[type="text"] {
    flex: 1;
    border: none;
    padding: 14px 24px;
    font-size: 15px;
    outline: none;
    background: #ffffff;
}
.search-bar input[type="submit"] {
    border: none;
    background: #2563eb;
    color: #fff;
    padding: 14px 36px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}
.search-bar input[type="submit"]:hover { background: #1d4ed8; }

/* ===== 数据统计 ===== */
.stats {
    background: linear-gradient(135deg, #1a2332 0%, #2d3a52 100%);
    color: #fff;
    padding: 60px 0;
}
.stats .grid { text-align: center; }
.stats .num { font-size: 42px; font-weight: 700; }
.stats .label { font-size: 15px; opacity: 0.7; margin-top: 4px; }

/* ===== 通用板块 ===== */
.section { padding: 60px 0; }
.section-title {
    text-align: center;
    margin-bottom: 48px;
}
.section-title h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a2332;
    margin-bottom: 8px;
    letter-spacing: 2px;
}
.section-title .sub {
    font-size: 14px;
    color: #8892a8;
    letter-spacing: 4px;
    text-transform: uppercase;
}
.section-title .line {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #2563eb, #7c3aed);
    margin: 12px auto 0;
    border-radius: 4px;
}

/* ===== 网格布局 ===== */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ===== 卡片 ===== */
.card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
    transition: all 0.3s ease;
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}
.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}
.card-body { padding: 20px 24px 24px; }
.card-body h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 8px;
    color: #1a2332;
}
.card-body p {
    font-size: 14px;
    color: #5a6a7e;
    line-height: 1.7;
    margin: 0;
}

/* ===== 按钮 ===== */
.btn-primary {
    display: inline-block;
    background: #2563eb;
    color: #fff;
    padding: 10px 32px;
    border-radius: 40px;
    font-size: 15px;
    font-weight: 500;
    transition: background 0.3s;
}
.btn-primary:hover { background: #1d4ed8; }
.btn-outline {
    display: inline-block;
    border: 2px solid #2563eb;
    color: #2563eb;
    padding: 8px 28px;
    border-radius: 40px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}
.btn-outline:hover { background: #2563eb; color: #fff; }

.text-center { text-align: center; }
.mt-40 { margin-top: 40px; }

/* ===== 标签页导航 ===== */
.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}
.tabs-nav a {
    padding: 8px 28px;
    border-radius: 40px;
    background: #eef2f6;
    color: #3a4a5e;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s;
}
.tabs-nav a:hover {
    background: #dbe7fe;
    color: #2563eb;
}
.tabs-nav a.active {
    background: #2563eb;
    color: #fff;
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ===== 关于我们 ===== */
.about-wrap {
    display: flex;
    gap: 48px;
    align-items: center;
}
.about-wrap .image { flex: 1; border-radius: 16px; overflow: hidden; }
.about-wrap .image img { width: 100%; height: auto; display: block; }
.about-wrap .text { flex: 1; }
.about-wrap .text h3 {
    font-size: 26px;
    color: #1a2332;
    margin-bottom: 16px;
}
.about-wrap .text p {
    color: #5a6a7e;
    line-height: 1.8;
    font-size: 15px;
    margin-bottom: 20px;
}

/* ===== 友情链接 ===== */
.links {
    background: #fff;
    padding: 30px 0;
    border-top: 1px solid #eef2f6;
}
.link-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 24px;
    justify-content: center;
}
.link-list a {
    color: #5a6a7e;
    font-size: 16px;
    transition: color 0.3s;
}
.link-list a:hover { color: #2563eb; }

/* ===== 响应式 ===== */
@media (max-width: 992px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .about-wrap { flex-direction: column; }
    .about-wrap .image { width: 100%; flex: none; }

    .menu-toggle { display: flex; }
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: #ffffff;
        padding: 16px 20px;
        gap: 4px;
        box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.3s ease;
        border-top: 1px solid #eef2f6;
    }
    .nav-links.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .nav-links > li > a { padding: 12px 16px; justify-content: space-between; }

    .dropdown-menu {
        position: static;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        box-shadow: none;
        background: #f5f7fa;
        border-radius: 8px;
        padding: 4px 0;
        margin: 4px 0 4px 16px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease;
        padding: 0 0;
    }
    .dropdown-menu::before { display: none; }
    .dropdown.open .dropdown-menu {
        max-height: 400px;
        padding: 8px 0;
    }
    .dropdown-menu li a { white-space: normal; }
    .dropdown.open > a .arrow { transform: rotate(180deg); }
}

@media (max-width: 640px) {
    .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .section { padding: 40px 0; }
    .section-title h2 { font-size: 24px; }
    .stats .num { font-size: 28px; }
}



/* ===== 搜索框内联样式 =====  */
.search-result-box { max-width: 800px; margin: 0 auto; }
.search-form-inline { display: flex; gap: 0; border-radius: 60px; overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.search-form-inline input[type="text"] { flex: 1; border: none; padding: 14px 24px; font-size: 15px; outline: none; background: #f5f7fa; }
.search-form-inline button { border: none; background: #2563eb; color: #fff; padding: 14px 36px; font-size: 15px; font-weight: 600; cursor: pointer; transition: background 0.3s; }
.search-form-inline button:hover { background: #1d4ed8; }
.search-stats { margin-top: 16px; font-size: 14px; color: #5a6a7e; text-align: center; }
.search-stats strong { color: #1a2332; }
.search-results-count { color: #2563eb; font-weight: 600; }

/* 空状态提示 */
.search-empty { text-align: center; padding: 60px 20px; color: #5a6a7e; }
.search-empty p { font-size: 16px; margin-bottom: 8px; }
.search-empty strong { color: #1a2332; }



/* ======================================================
   1. 底部全局样式 (Footer Global)
   ====================================================== */
.footer {
    background: #1a2332;              /* 深色背景 */
    color: rgba(255, 255, 255, 0.7);  /* 默认文字颜色，半透明白 */
    padding: 60px 0 0;               /* 上内边距60px，左右下为0 */
    margin-top: 0;
    font-size: 14px;
    line-height: 1.8;
}

/* 底部容器，与页面其他部分保持一致 */
.footer .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}


/* ======================================================
   2. 底部网格布局 (Footer Grid)
   ====================================================== */
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;  /* 4列：品牌区占2份，其余各占1份和1.5份 */
    gap: 40px;                                 /* 列间距 */
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08); /* 分隔线 */
}


/* ======================================================
   3. 品牌介绍区 (Brand Area)
   ====================================================== */
.footer-brand .footer-logo {
    display: inline-block;
    margin-bottom: 16px;
}
.footer-brand .footer-logo img {
    height: 38px;                 /* Logo高度固定 */
    width: auto;                  /* 宽度自适应，保持比例 */
    display: block;
}
.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    max-width: 320px;             /* 限制宽度，避免文字过长 */
    margin-bottom: 20px;
}

/* ---------- 社交媒体图标 (纯CSS/Emoji方式) ---------- */
.footer-social {
    display: flex;
    gap: 12px;
}
.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.6);
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
}
.footer-social a:hover {
    background: #2563eb;          /* 悬停变为主色 */
    color: #fff;
    transform: translateY(-3px);  /* 轻微上浮 */
}
/* 用伪元素显示图标，方便替换为字体图标库 */
.footer-social .icon-wechat::before  { content: "💬"; }
.footer-social .icon-weibo::before   { content: "📱"; }
.footer-social .icon-douyin::before  { content: "🎵"; }
.footer-social .icon-gzh::before     { content: "📰"; }


/* ======================================================
   4. 导航列 & 联系方式 (Nav & Contact)
   ====================================================== */
.footer-nav h4,
.footer-contact h4 {
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 1px;          /* 字间距，更现代 */
}

.footer-nav ul,
.footer-contact ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-nav ul li,
.footer-contact ul li {
    margin-bottom: 10px;
}


/* 导航链接 */
.footer-nav ul li a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    text-decoration: none;
    transition: all 0.25s ease;
}
.footer-nav ul li a:hover {
    color: #ffffff;
    padding-left: 4px;            /* 悬停向右微移 */
}


/* 联系方式列表：使用flex使图标和文字对齐 */
.footer-contact ul li {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    display: flex;
    align-items: flex-start;      /* 顶部对齐 */
    gap: 10px;
}
.footer-contact ul li .icon {
    font-size: 16px;
    flex-shrink: 0;               /* 防止图标被压缩 */
}
.footer-contact ul li a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.25s ease;
}
.footer-contact ul li a:hover {
    color: #ffffff;
}


/* ======================================================
   5. 版权信息 (Copyright)
   ====================================================== */
.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}
.footer-bottom p {
    margin: 4px 0;
}
.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color 0.25s ease;
}
.footer-bottom a:hover {
    color: #ffffff;
}
.footer-credit {
    font-size: 12px;
    opacity: 0.6;
}


/* ======================================================
   6. 返回顶部按钮 (Back to Top)
   ====================================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #2563eb;
    color: #fff;
    border: none;
    font-size: 22px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.35);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 999;
}
/* 按钮显示状态（由JS控制添加 .show 类） */
.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    background: #1d4ed8;
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.45);
}

/* ======================================================
   7. 响应式适配 (Responsive)
   ====================================================== */

/* 平板及以下 (≤ 992px) */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;   /* 4列变成2列 */
        gap: 32px;
    }
    .footer-brand {
        grid-column: 1 / -1;              /* 品牌区独占一行 */
    }
    .footer-desc {
        max-width: 100%;                  /* 品牌描述宽度不受限 */
    }
}

/* 手机及以下 (≤ 640px) */
@media (max-width: 640px) {
    .footer {
        padding: 40px 0 0;
    }
    .footer-grid {
        grid-template-columns: 1fr;       /* 全部变为单列 */
        gap: 24px;
        padding-bottom: 24px;
    }
    .footer-brand {
        grid-column: 1;
    }
    .footer-nav h4,
    .footer-contact h4 {
        margin-bottom: 10px;
    }
    .footer-nav ul li,
    .footer-contact ul li {
        margin-bottom: 6px;
    }
    .footer-bottom {
        padding: 16px 0;
        font-size: 12px;
    }
    .back-to-top {
        bottom: 16px;
        right: 16px;
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
}




/* ======================================================
   页面横幅
   ====================================================== */
.page-banner {
    padding: 60px 0 40px;
    text-align: center;
    color: #ffffff;
}
.page-banner h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: 2px;
}
.page-banner p {
    font-size: 16px;
    opacity: 0.7;
    margin-bottom: 12px;
}
.page-banner .breadcrumb {
    font-size: 14px;
    opacity: 0.6;
}
.page-banner .breadcrumb a {
    color: #fff;
    text-decoration: none;
    transition: opacity 0.3s;
}
.page-banner .breadcrumb a:hover {
    opacity: 1;
}

/* ======================================================
   子分类导航
   ====================================================== */
.sub-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eef2f6;
}
.sub-nav a {
    padding: 8px 24px;
    border-radius: 30px;
    background: #f5f7fa;
    color: #3a4a5e;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}
.sub-nav a:hover {
    background: #dbe7fe;
    color: #2563eb;
}
.sub-nav a.active {
    background: #2563eb;
    color: #fff;
}

/* ======================================================
   新闻列表
   ====================================================== */
.news-list-page {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-item-page {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
    overflow: hidden;
}
.news-item-page:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    border-left-color: #2563eb;
    transform: translateX(4px);
}

.news-item-page-link {
    display: flex;
    align-items: stretch;
    gap: 24px;
    padding: 20px 24px;
    text-decoration: none;
    color: inherit;
}

/* 日期块 */
.news-item-page-date {
    flex-shrink: 0;
    text-align: center;
    padding: 4px 16px 4px 0;
    border-right: 2px solid #eef2f6;
    min-width: 70px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.news-item-page-date .day {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: #1a2332;
    line-height: 1.2;
}
.news-item-page-date .month {
    font-size: 13px;
    color: #8892a8;
}

/* 内容区 */
.news-item-page-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}
.news-item-page-body h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 6px;
    color: #1a2332;
    transition: color 0.3s;
    line-height: 1.4;
}
.news-item-page-link:hover .news-item-page-body h3 {
    color: #2563eb;
}
.news-item-page-body p {
    font-size: 14px;
    color: #5a6a7e;
    line-height: 1.7;
    margin: 0 0 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-item-page-body .meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: #8892a8;
}
.news-item-page-body .meta .read-more {
    color: #2563eb;
    font-weight: 500;
    transition: all 0.3s;
    margin-left: auto;
}
.news-item-page-link:hover .meta .read-more {
    transform: translateX(4px);
}


/* ======================================================
   分页
   ====================================================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #eef2f6;
}
.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 14px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #3a4a5e;
    text-decoration: none;
    transition: all 0.3s ease;
    background: #f5f7fa;
}
.pagination a:hover {
    background: #dbe7fe;
    color: #2563eb;
}
.pagination .active span {
    background: #2563eb;
    color: #ffffff;
}
.pagination .disabled span {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ======================================================
   响应式
   ====================================================== */
@media (max-width: 992px) {
    .page-banner {
        padding: 40px 0 30px;
    }
    .page-banner h1 {
        font-size: 28px;
    }
}

@media (max-width: 640px) {
    .page-banner {
        padding: 30px 0 20px;
    }
    .page-banner h1 {
        font-size: 22px;
    }
    .page-banner p {
        font-size: 14px;
    }
    .page-banner .breadcrumb {
        font-size: 12px;
    }

    .news-item-page-link {
        flex-direction: column;
        gap: 12px;
        padding: 16px;
    }
    .news-item-page-date {
        flex-direction: row;
        align-items: center;
        gap: 8px;
        border-right: none;
        border-bottom: 1px solid #eef2f6;
        padding: 0 0 8px;
        min-width: auto;
    }
    .news-item-page-date .day {
        font-size: 22px;
    }
    .news-item-page-date .month {
        font-size: 12px;
    }
    .news-item-page-body h3 {
        font-size: 16px;
    }
    .news-item-page-body .meta {
        flex-wrap: wrap;
        gap: 8px;
        font-size: 12px;
    }
    .news-item-page-body .meta .read-more {
        margin-left: 0;
    }

    .sub-nav a {
        padding: 6px 16px;
        font-size: 13px;
    }

    .pagination a,
    .pagination span {
        min-width: 34px;
        height: 34px;
        font-size: 13px;
        padding: 0 8px;
    }
}


/* ======================================================
   页面横幅 (Page Banner)
   ====================================================== */
.page-banner {
    padding: 60px 0 40px;
    text-align: center;
    color: #ffffff;
}
.page-banner h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: 2px;
}
.page-banner p {
    font-size: 16px;
    opacity: 0.7;
    margin-bottom: 12px;
}
.page-banner .breadcrumb {
    font-size: 14px;
    opacity: 0.6;
}
.page-banner .breadcrumb a {
    color: #fff;
    text-decoration: none;
    transition: opacity 0.3s;
}
.page-banner .breadcrumb a:hover {
    opacity: 1;
}

/* ======================================================
   子分类导航 (Sub Nav)
   ====================================================== */
.sub-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eef2f6;
}
.sub-nav a {
    padding: 6px 20px;
    border-radius: 20px;
    background: #f0f4ff;
    color: #3a4a5e;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}
.sub-nav a:hover {
    background: #dbe7fe;
    color: #2563eb;
}
.sub-nav a.active {
    background: #2563eb;
    color: #fff;
}


/* ======================================================
   新闻列表页 (News List Page)
   ====================================================== */
.news-list-page {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-item-page {
    display: flex;
    align-items: stretch;
    gap: 24px;
    padding: 20px 24px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}
.news-item-page:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    border-left-color: #2563eb;
    transform: translateX(4px);
}

/* 日期块 */
.news-item-page-date {
    flex-shrink: 0;
    text-align: center;
    padding: 8px 16px 8px 0;
    border-right: 2px solid #eef2f6;
    min-width: 70px;
}
.news-item-page-date .day {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: #1a2332;
    line-height: 1.2;
}
.news-item-page-date .month {
    font-size: 13px;
    color: #8892a8;
}

/* 内容区 */
.news-item-page-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.news-item-page-body h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 6px;
}
.news-item-page-body h3 a {
    color: #1a2332;
    text-decoration: none;
    transition: color 0.3s;
}
.news-item-page-body h3 a:hover {
    color: #2563eb;
}
.news-item-page-body p {
    font-size: 14px;
    color: #5a6a7e;
    line-height: 1.7;
    margin: 0 0 10px;
}
.news-item-page-body .meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: #8892a8;
}
.news-item-page-body .meta .read-more {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}
.news-item-page-body .meta .read-more:hover {
    color: #1d4ed8;
    transform: translateX(4px);
}

/* ======================================================
   分页 (Pagination)
   ====================================================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #eef2f6;
}
.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #3a4a5e;
    text-decoration: none;
    transition: all 0.3s ease;
    background: #f5f7fa;
}
.pagination a:hover {
    background: #dbe7fe;
    color: #2563eb;
}
.pagination .active span {
    background: #2563eb;
    color: #ffffff;
}
.pagination .disabled span {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ======================================================
   文章详情页 (Article Detail)
   ====================================================== */
.article-wrap {
    max-width: 820px;
    margin: 0 auto;
    background: #ffffff;
    border-radius: 16px;
    padding: 40px 48px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
}

.article-title {
    font-size: 28px;
    font-weight: 700;
    color: #1a2332;
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.4;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 24px;
    padding: 12px 0 20px;
    border-bottom: 1px solid #eef2f6;
    margin-bottom: 28px;
    font-size: 14px;
    color: #8892a8;
    flex-wrap: wrap;
}

.article-body {
    font-size: 16px;
    color: #2d3a52;
    line-height: 1.9;
}
.article-body p {
    margin-bottom: 18px;
}
.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 16px 0;
}
.article-body h2,
.article-body h3,
.article-body h4 {
    color: #1a2332;
    margin: 24px 0 12px;
}
.article-body ul,
.article-body ol {
    padding-left: 24px;
    margin-bottom: 18px;
}
.article-body li {
    margin-bottom: 6px;
}
.article-body a {
    color: #2563eb;
    text-decoration: underline;
}
.article-body a:hover {
    color: #1d4ed8;
}
.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
}
.article-body table td,
.article-body table th {
    border: 1px solid #eef2f6;
    padding: 8px 12px;
}

/* 上一篇 / 下一篇 */
.article-nav {
    display: flex;
    justify-content: space-between;
    padding: 20px 0;
    margin: 28px 0 16px;
    border-top: 1px solid #eef2f6;
    border-bottom: 1px solid #eef2f6;
}
.article-nav .prev,
.article-nav .next {
    font-size: 14px;
    color: #5a6a7e;
}
.article-nav .prev a,
.article-nav .next a {
    color: #1a2332;
    text-decoration: none;
    transition: color 0.3s;
}
.article-nav .prev a:hover,
.article-nav .next a:hover {
    color: #2563eb;
}
.article-nav .none {
    color: #b0b8c4;
}

/* 返回列表 */
.article-back {
    text-align: center;
    margin-top: 16px;
}

/* ======================================================
   响应式适配
   ====================================================== */

/* 平板及以下 (≤ 992px) */
@media (max-width: 992px) {
    .page-banner {
        padding: 40px 0 30px;
    }
    .page-banner h1 {
        font-size: 28px;
    }
    .article-wrap {
        padding: 28px 24px;
    }
    .article-title {
        font-size: 24px;
    }
}

/* 手机及以下 (≤ 640px) */
@media (max-width: 640px) {
    .page-banner {
        padding: 30px 0 20px;
    }
    .page-banner h1 {
        font-size: 22px;
    }
    .page-banner p {
        font-size: 14px;
    }
    .page-banner .breadcrumb {
        font-size: 12px;
    }

    .news-item-page {
        flex-direction: column;
        gap: 12px;
        padding: 16px;
    }
    .news-item-page-date {
        display: flex;
        align-items: center;
        gap: 8px;
        border-right: none;
        border-bottom: 1px solid #eef2f6;
        padding: 0 0 8px;
        min-width: auto;
    }
    .news-item-page-date .day {
        font-size: 22px;
    }
    .news-item-page-date .month {
        font-size: 12px;
    }
    .news-item-page-body h3 {
        font-size: 16px;
    }
    .news-item-page-body .meta {
        flex-wrap: wrap;
        gap: 8px;
        font-size: 12px;
    }

    .pagination a,
    .pagination span {
        min-width: 32px;
        height: 32px;
        font-size: 13px;
        padding: 0 8px;
    }

    .article-wrap {
        padding: 20px 16px;
        border-radius: 12px;
    }
    .article-title {
        font-size: 20px;
    }
    .article-meta {
        font-size: 13px;
        gap: 12px;
    }
    .article-body {
        font-size: 15px;
    }
    .article-nav {
        flex-direction: column;
        gap: 8px;
    }
    .article-nav .prev,
    .article-nav .next {
        font-size: 13px;
    }
}


/* ======================================================
   新闻文章 图片网格布局
   ====================================================== */
.image-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.image-item {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
    transition: all 0.4s ease;
}
.image-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.10);
}

.image-item-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* 图片容器 */
.image-item-img {
    position: relative;
    width: 100%;
    padding-bottom: 75%; /* 4:3 比例，适合图片展示 */
    overflow: hidden;
    background: #f5f7fa;
}
.image-item-img img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.image-item:hover .image-item-img img {
    transform: scale(1.05);
}

/* 图片数量角标 */
.image-count {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    backdrop-filter: blur(4px);
}

/* 图片内容区 */
.image-item-body {
    padding: 16px 18px 20px;
}
.image-item-body h3 {
    font-size: 16px;
    font-weight: 600;
    color: #1a2332;
    margin: 0 0 6px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.image-item-body p {
    font-size: 14px;
    color: #5a6a7e;
    line-height: 1.6;
    margin: 0 0 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.image-item-body .meta {
    display: flex;
    gap: 14px;
    font-size: 12px;
    color: #8892a8;
}
.clear {
    display: none;
}

/* ======================================================
   响应式适配
   ====================================================== */

/* 平板 (≤ 992px) */
@media (max-width: 992px) {
    .image-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
    }
}

/* 手机 (≤ 640px) */
@media (max-width: 640px) {
    .image-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .image-item-body {
        padding: 12px 14px 16px;
    }
    .image-item-body h3 {
        font-size: 14px;
    }
    .image-item-body p {
        font-size: 13px;
        -webkit-line-clamp: 1;
    }
    .image-item-body .meta {
        font-size: 11px;
        gap: 10px;
    }
    .image-count {
        font-size: 10px;
        padding: 2px 10px;
        bottom: 6px;
        right: 6px;
    }
}

/* 超小屏 (≤ 400px) */
@media (max-width: 400px) {
    .image-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
}


/* ======================================================
   关于我们 - 简介区
   ====================================================== */
.about-intro {
    display: flex;
    gap: 48px;
    align-items: flex-start;
}
.about-intro-image {
    flex: 1;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}
.about-intro-image img {
    width: 100%;
    height: auto;
    display: block;
}
.about-intro-text {
    flex: 1;
}
.about-intro-text h2 {
    font-size: 28px;
    font-weight: 700;
    color: #1a2332;
    margin-bottom: 8px;
}
.about-intro-text .line {
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #2563eb, #7c3aed);
    border-radius: 4px;
    margin-bottom: 20px;
}
.about-intro-text p {
    font-size: 15px;
    color: #5a6a7e;
    line-height: 1.9;
    margin-bottom: 14px;
}
.about-intro-text img {
    max-width: 100%;
    border-radius: 8px;
    margin: 12px 0;
}

/* ======================================================
   企业文化
   ====================================================== */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.culture-item {
    background: #ffffff;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}
.culture-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}
.culture-icon {
    font-size: 40px;
    margin-bottom: 12px;
}
.culture-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1a2332;
    margin-bottom: 8px;
}
.culture-item p {
    font-size: 14px;
    color: #5a6a7e;
    line-height: 1.7;
    margin: 0;
}

/* ======================================================
   发展历程 - 时间线
   ====================================================== */
.timeline {
    position: relative;
    padding-left: 40px;
    max-width: 800px;
    margin: 0 auto;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #2563eb, #7c3aed);
    border-radius: 4px;
}
.timeline-item {
    position: relative;
    padding-bottom: 40px;
}
.timeline-item:last-child {
    padding-bottom: 0;
}
.timeline-dot {
    position: absolute;
    left: -34px;
    top: 6px;
    width: 14px;
    height: 14px;
    background: #2563eb;
    border-radius: 50%;
    border: 3px solid #ffffff;
    box-shadow: 0 0 0 3px #2563eb;
}
.timeline-content {
    background: #ffffff;
    border-radius: 12px;
    padding: 20px 24px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}
.timeline-content:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}
.timeline-year {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: #2563eb;
    background: #f0f4ff;
    padding: 2px 14px;
    border-radius: 20px;
    margin-bottom: 6px;
}
.timeline-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1a2332;
    margin: 0 0 6px;
}
.timeline-content p {
    font-size: 14px;
    color: #5a6a7e;
    line-height: 1.7;
    margin: 0;
}

/* ======================================================
   荣誉资质
   ====================================================== */
.honor-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.honor-item {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    text-align: center;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
    padding: 20px;
}
.honor-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}
.honor-item img {
    width: 100%;
    height: 120px;
    object-fit: contain;
    display: block;
    margin-bottom: 12px;
}
.honor-item p {
    font-size: 14px;
    font-weight: 500;
    color: #1a2332;
    margin: 0;
}

/* ======================================================
   团队介绍
   ====================================================== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.team-item {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    text-align: center;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
    padding: 24px 20px 28px;
}
.team-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}
.team-item img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    margin: 0 auto 16px;
    border: 4px solid #f0f4ff;
    transition: border-color 0.3s;
}
.team-item:hover img {
    border-color: #2563eb;
}
.team-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1a2332;
    margin-bottom: 4px;
}
.team-item p {
    font-size: 14px;
    color: #2563eb;
    font-weight: 500;
    margin-bottom: 4px;
}
.team-item span {
    font-size: 13px;
    color: #8892a8;
}

/* ======================================================
   CTA 行动召唤
   ====================================================== */
.contact-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 20px 0;
}
.contact-cta-text h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}
.contact-cta-text p {
    font-size: 16px;
    opacity: 0.7;
    margin: 0;
}
.btn-white {
    background: #ffffff;
    color: #1a2332;
    flex-shrink: 0;
}
.btn-white:hover {
    background: rgba(255, 255, 255, 0.85);
    color: #1a2332;
}

/* ======================================================
   响应式
   ====================================================== */
@media (max-width: 992px) {
    .about-intro {
        flex-direction: column;
        gap: 32px;
    }
    .about-intro-image {
        width: 100%;
    }
    .culture-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .honor-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .contact-cta {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 640px) {
    .about-intro-text h2 {
        font-size: 22px;
    }
    .culture-grid {
        grid-template-columns: 1fr;
    }
    .honor-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .team-grid {
        grid-template-columns: 1fr 1fr;
    }
    .team-item img {
        width: 90px;
        height: 90px;
    }
    .timeline {
        padding-left: 28px;
    }
    .timeline-dot {
        left: -22px;
        width: 12px;
        height: 12px;
    }
    .timeline-content {
        padding: 16px;
    }
    .timeline-year {
        font-size: 12px;
    }
    .timeline-content h3 {
        font-size: 16px;
    }
    .contact-cta-text h2 {
        font-size: 22px;
    }
}



/* ======================================================
   联系我们 - 信息卡片
   ====================================================== */
.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.contact-info-item {
    background: #ffffff;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}
.contact-info-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}
.contact-info-icon {
    font-size: 36px;
    margin-bottom: 12px;
}
.contact-info-item h3 {
    font-size: 16px;
    font-weight: 600;
    color: #1a2332;
    margin-bottom: 6px;
}
.contact-info-item p {
    font-size: 14px;
    color: #5a6a7e;
    line-height: 1.6;
    margin: 0;
}
.contact-info-item p a {
    color: #5a6a7e;
    text-decoration: none;
    transition: color 0.3s;
}
.contact-info-item p a:hover {
    color: #2563eb;
}

/* ======================================================
   联系我们 - 地图 + 表单
   ====================================================== */
.contact-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}
.contact-map {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    padding: 24px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
}
.map-container {
    width: 100%;
    height: 420px;
    border-radius: 12px;
    overflow: hidden;
    background: #eef2f6;
}
.map-container iframe {
    width: 100%;
    height: 100%;
    display: block;
}


/* ===== 留言表单 ===== */
.contact-form {
    background: #ffffff;
    border-radius: 16px;
    padding: 32px 28px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
}
.form-group {
    margin-bottom: 18px;
}
.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #1a2332;
    margin-bottom: 4px;
}
.form-group label span {
    color: #ef4444;
    margin-left: 2px;
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #eef2f6;
    border-radius: 10px;
    font-size: 14px;
    color: #1a2332;
    transition: border-color 0.3s ease;
    outline: none;
    font-family: inherit;
    background: #fafbfc;
    box-sizing: border-box;
}
.form-group input:focus,
.form-group textarea:focus {
    border-color: #2563eb;
    background: #ffffff;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #b0b8c4;
}
.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* 验证码 */
.verify-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
}
.verify-wrap input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #eef2f6;
    border-radius: 10px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s ease;
    background: #fafbfc;
}
.verify-wrap input:focus {
    border-color: #2563eb;
    background: #ffffff;
}
.verify-wrap img {
    height: 46px;
    border-radius: 8px;
    border: 2px solid #eef2f6;
    flex-shrink: 0;
    cursor: pointer;
}



/* ======================================================
   常见问题 FAQ
   ====================================================== */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.faq-item {
    background: #ffffff;
    border-radius: 12px;
    padding: 20px 24px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}
.faq-item:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}
.faq-item h3 {
    font-size: 15px;
    font-weight: 600;
    color: #1a2332;
    margin-bottom: 6px;
}
.faq-item p {
    font-size: 14px;
    color: #5a6a7e;
    line-height: 1.7;
    margin: 0;
}

/* ======================================================
   响应式
   ====================================================== */
@media (max-width: 992px) {
    .contact-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .contact-wrap {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .map-container {
        height: 320px;
    }
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .contact-info-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .contact-info-item {
        padding: 20px 16px;
    }
    .contact-info-icon {
        font-size: 28px;
    }
    .contact-info-item h3 {
        font-size: 14px;
    }
    .contact-info-item p {
        font-size: 13px;
    }

    .contact-form {
        padding: 20px 16px;
    }
    .contact-map {
        padding: 16px;
    }
    .map-container {
        height: 220px;
    }

    .form-group input,
    .form-group textarea {
        padding: 10px 14px;
        font-size: 13px;
    }
    .verify-wrap img {
        height: 40px;
    }

    .faq-item {
        padding: 16px 18px;
    }
    .faq-item h3 {
        font-size: 14px;
    }

    .contact-cta {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
}



/* ======================================================
   横幅 Hero 样式
   ====================================================== */
.banner-hero {
    position: relative;
    padding: 100px 0 80px;
    min-height: 460px;
    display: flex;
    align-items: center;
    overflow: hidden;
}
/* 带背景图 */
.banner-hero-image {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
.banner-hero-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5); /* 遮罩，提高文字可读性 */
    z-index: 1;
}
.banner-hero-image .container {
    position: relative;
    z-index: 2;
}

.banner-hero-content {
    max-width: 700px;
    color: #ffffff;
}
.banner-hero-title {
    font-size: 44px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 2px;
    line-height: 1.2;
}
.banner-hero-subtitle {
    font-size: 20px;
    font-weight: 400;
    opacity: 0.85;
    margin-bottom: 8px;
}
.banner-hero-desc {
    font-size: 16px;
    opacity: 0.7;
    line-height: 1.8;
    margin-bottom: 28px;
    max-width: 520px;
}
.banner-hero-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

/* 大按钮 */
.btn-lg {
    padding: 14px 44px;
    font-size: 16px;
}
.btn-primary {
    display: inline-block;
    background: #2563eb;
    color: #fff;
    padding: 12px 36px;
    border-radius: 40px;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}
.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.35);
}
.btn-outline-light {
    display: inline-block;
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: #fff;
    padding: 12px 36px;
    border-radius: 40px;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    background: transparent;
}
.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: #ffffff;
}

/* ======================================================
   响应式
   ====================================================== */
@media (max-width: 992px) {
    .banner-hero {
        padding: 70px 0 50px;
        min-height: 360px;
    }
    .banner-hero-title {
        font-size: 32px;
    }
    .banner-hero-subtitle {
        font-size: 18px;
    }
}

@media (max-width: 640px) {
    .banner-hero {
        padding: 50px 0 40px;
        min-height: 300px;
        text-align: center;
    }
    .banner-hero-content {
        max-width: 100%;
    }
    .banner-hero-title {
        font-size: 24px;
    }
    .banner-hero-subtitle {
        font-size: 16px;
    }
    .banner-hero-desc {
        font-size: 14px;
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }
    .banner-hero-btns {
        justify-content: center;
    }
    .btn-lg {
        padding: 12px 30px;
        font-size: 14px;
    }
}




/* ======================================================
   在线客服插件
   ====================================================== */
.online-service {
    position: fixed;
    bottom: 120px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

/* ----- 客服按钮 ----- */
.service-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #fff;
    padding: 12px 20px;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
    transition: all 0.3s ease;
    position: relative;
    z-index: 10;
    user-select: none;
}
.service-toggle:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.5);
}
.service-toggle .toggle-icon {
    font-size: 22px;
    line-height: 1;
}
.service-toggle .toggle-text {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
}
/* 按钮脉冲动画 */
.service-toggle::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border-radius: 50px;
    border: 2px solid rgba(37, 99, 235, 0.3);
    animation: servicePulse 2s ease-in-out infinite;
}
@keyframes servicePulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.08); opacity: 0; }
}

/* ----- 客服面板 ----- */
.service-panel {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 320px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: bottom right;
}
.service-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* 面板小三角 */
.service-panel::after {
    content: '';
    position: absolute;
    bottom: -10px;
    right: 30px;
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid #ffffff;
}

/* ----- 客服头部 ----- */
.service-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: linear-gradient(135deg, #1a2332, #2d3a52);
    color: #fff;
    border-radius: 16px 16px 0 0;
}
.service-title {
    font-size: 16px;
    font-weight: 600;
}
.service-close {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s;
    font-size: 16px;
}
.service-close:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* ----- 客服列表 ----- */
.service-body {
    padding: 16px 20px 12px;
    max-height: 380px;
    overflow-y: auto;
}
.service-tip {
    font-size: 13px;
    color: #8892a8;
    margin: 0 0 12px;
    padding: 10px 14px;
    background: #f5f7fa;
    border-radius: 8px;
    line-height: 1.6;
}

.service-item {
    display: flex;
    align-items: center;
    padding: 12px 14px;
    border-radius: 10px;
    text-decoration: none;
    color: #1a2332;
    transition: all 0.25s ease;
    margin-bottom: 6px;
    cursor: pointer;
    border: 1px solid transparent;
}
.service-item:hover {
    background: #f0f4ff;
    border-color: #dbe7fe;
    transform: translateX(4px);
}
.service-item .service-icon {
    font-size: 20px;
    margin-right: 12px;
    flex-shrink: 0;
}
.service-item .service-name {
    font-size: 14px;
    font-weight: 500;
    flex: 1;
}
.service-item .service-status {
    font-size: 12px;
    padding: 2px 12px;
    border-radius: 20px;
    font-weight: 500;
}
.service-status.online {
    color: #22c55e;
    background: #dcfce7;
}
.service-status.offline {
    color: #94a3b8;
    background: #f1f5f9;
}
.service-item .service-phone-number {
    font-size: 14px;
    color: #2563eb;
    font-weight: 600;
}
.service-item .service-email-addr {
    font-size: 13px;
    color: #5a6a7e;
}
.service-item .service-arrow {
    color: #8892a8;
    font-size: 16px;
    transition: transform 0.3s;
}
.service-item:hover .service-arrow {
    transform: translateX(4px);
    color: #2563eb;
}

/* 特殊样式：QQ/微信/电话/邮箱/留言 */
.service-qq:hover .service-icon { color: #12b7f5; }
.service-wechat:hover .service-icon { color: #07c160; }
.service-phone .service-phone-number {
    font-size: 14px;
    color: #2563eb;
    font-weight: 600;
}
.service-phone:hover .service-icon { color: #2563eb; }
.service-email:hover .service-icon { color: #ea4335; }
.service-message:hover .service-icon { color: #f59e0b; }

/* ----- 微信二维码弹窗 ----- */
.wechat-popup {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 99999;
}
.wechat-popup.active {
    display: flex;
}
.wechat-popup-content {
    background: #ffffff;
    border-radius: 16px;
    padding: 32px 36px 28px;
    text-align: center;
    max-width: 320px;
    width: 90%;
    position: relative;
    animation: popupZoomIn 0.35s ease;
}
@keyframes popupZoomIn {
    0% { transform: scale(0.8); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}
.wechat-popup-content img {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid #eef2f6;
    display: block;
    margin: 0 auto 12px;
}
.wechat-popup-content p {
    font-size: 14px;
    color: #5a6a7e;
    margin: 0;
}
.wechat-popup-close {
    position: absolute;
    top: 12px;
    right: 16px;
    font-size: 20px;
    color: #8892a8;
    cursor: pointer;
    transition: color 0.3s;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}
.wechat-popup-close:hover {
    color: #1a2332;
    background: #f1f5f9;
}

/* ----- 底部 ----- */
.service-footer {
    padding: 12px 20px;
    border-top: 1px solid #eef2f6;
    font-size: 12px;
    color: #94a3b8;
    text-align: center;
    border-radius: 0 0 16px 16px;
}

/* ----- 响应式适配 ----- */
@media (max-width: 640px) {
    .online-service {
        bottom: 100px;
        right: 12px;
    }
    .service-toggle {
        padding: 10px 16px;
        gap: 6px;
    }
    .service-toggle .toggle-text {
        font-size: 12px;
    }
    .service-toggle .toggle-icon {
        font-size: 18px;
    }
    .service-panel {
        width: 290px;
        right: 0;
        bottom: 65px;
    }
    .service-panel::after {
        right: 20px;
    }
    .service-body {
        padding: 12px 14px 8px;
        max-height: 320px;
    }
    .service-item {
        padding: 10px 12px;
    }
    .service-item .service-icon {
        font-size: 18px;
        margin-right: 10px;
    }
    .service-item .service-name {
        font-size: 13px;
    }
    .service-header {
        padding: 14px 16px;
    }
    .wechat-popup-content {
        padding: 24px 20px 20px;
    }
    .wechat-popup-content img {
        width: 160px;
        height: 160px;
    }
}

@media (max-width: 400px) {
    .service-panel {
        width: 260px;
        right: -8px;
    }
    .service-panel::after {
        right: 24px;
    }
}

/* ======================================================
   WhatsApp 在线客服插件
   ====================================================== */
.whatsapp-service {
    position: fixed;
    bottom: 120px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

/* ----- WhatsApp 按钮 ----- */
.whatsapp-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 4px 24px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    position: relative;
    z-index: 10;
}
.whatsapp-toggle:hover {
    transform: scale(1.08);
    box-shadow: 0 8px 40px rgba(37, 211, 102, 0.5);
}
.whatsapp-toggle .whatsapp-icon {
    width: 32px;
    height: 32px;
    fill: #ffffff;
}
/* 脉冲动画 */
.whatsapp-toggle::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border-radius: 50%;
    border: 2px solid rgba(37, 211, 102, 0.3);
    animation: whatsappPulse 2s ease-in-out infinite;
}
@keyframes whatsappPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0; }
}

/* 消息角标 */
.whatsapp-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: #ef4444;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    min-width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #fff;
}

/* ----- WhatsApp 面板 ----- */
.whatsapp-panel {
    position: absolute;
    bottom: 75px;
    right: 0;
    width: 380px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: bottom right;
    overflow: hidden;
}
.whatsapp-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* 面板小三角 */
.whatsapp-panel::after {
    content: '';
    position: absolute;
    bottom: -10px;
    right: 24px;
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid #ffffff;
}

/* ----- 头部 ----- */
.whatsapp-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: linear-gradient(135deg, #1a2332, #2d3a52);
    color: #fff;
}
.whatsapp-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}
.whatsapp-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid #25D366;
}
.whatsapp-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.whatsapp-header-info {
    display: flex;
    flex-direction: column;
}
.whatsapp-header-name {
    font-size: 15px;
    font-weight: 600;
}
.whatsapp-header-status {
    font-size: 12px;
    opacity: 0.8;
}
.whatsapp-header-close {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s;
    font-size: 16px;
    opacity: 0.7;
}
.whatsapp-header-close:hover {
    background: rgba(255, 255, 255, 0.15);
    opacity: 1;
}

/* ----- 聊天区域 ----- */
.whatsapp-body {
    padding: 16px 20px 8px;
    max-height: 320px;
    overflow-y: auto;
    background: #f5f7fa;
}
/* 消息气泡 */
.whatsapp-message {
    display: flex;
    justify-content: flex-start;
    margin-bottom: 12px;
}
.whatsapp-msg-bubble {
    background: #ffffff;
    padding: 12px 16px;
    border-radius: 12px 12px 12px 4px;
    max-width: 85%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    position: relative;
}
.whatsapp-msg-bubble p {
    margin: 0 0 4px;
    font-size: 14px;
    color: #1a2332;
    line-height: 1.6;
}
.whatsapp-msg-bubble p:last-child {
    margin-bottom: 0;
}
.whatsapp-msg-time {
    font-size: 10px;
    color: #94a3b8;
    display: block;
    text-align: right;
    margin-top: 4px;
}

/* 快捷回复 */
.whatsapp-quick-reply {
    margin-top: 12px;
    padding: 12px 0 4px;
    border-top: 1px solid #eef2f6;
}
.quick-reply-label {
    font-size: 12px;
    color: #94a3b8;
    display: block;
    margin-bottom: 6px;
}
.quick-reply-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.quick-btn {
    padding: 6px 14px;
    font-size: 12px;
    border: 1px solid #dbe7fe;
    background: #ffffff;
    color: #2563eb;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.25s ease;
}
.quick-btn:hover {
    background: #2563eb;
    color: #ffffff;
    border-color: #2563eb;
}

/* ----- 底部 ----- */
.whatsapp-footer {
    padding: 16px 20px;
    background: #ffffff;
    border-top: 1px solid #eef2f6;
}
.whatsapp-start-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: #ffffff;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
}
.whatsapp-start-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.35);
}
.whatsapp-start-btn .whatsapp-icon-small {
    width: 22px;
    height: 22px;
    fill: #ffffff;
}

/* ----- 响应式适配 ----- */
@media (max-width: 640px) {
    .whatsapp-service {
        bottom: 100px;
        right: 12px;
    }
    .whatsapp-toggle {
        width: 54px;
        height: 54px;
    }
    .whatsapp-toggle .whatsapp-icon {
        width: 28px;
        height: 28px;
    }
    .whatsapp-panel {
        width: 310px;
        right: 0;
        bottom: 68px;
    }
    .whatsapp-panel::after {
        right: 18px;
    }
    .whatsapp-body {
        max-height: 260px;
        padding: 12px 14px 6px;
    }
    .whatsapp-msg-bubble {
        max-width: 90%;
    }
    .whatsapp-msg-bubble p {
        font-size: 13px;
    }
    .quick-btn {
        font-size: 11px;
        padding: 5px 12px;
    }
    .whatsapp-start-btn {
        font-size: 13px;
        padding: 10px;
    }
    .whatsapp-header {
        padding: 12px 16px;
    }
    .whatsapp-avatar {
        width: 38px;
        height: 38px;
    }
    .whatsapp-header-name {
        font-size: 13px;
    }
}

@media (max-width: 400px) {
    .whatsapp-panel {
        width: 280px;
        right: -8px;
    }
}