/* ========== 重置与基础样式 ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; color: #1a1a2e; background: #f6f8fa; font-size: 14px; line-height: 1.6; }
a { text-decoration: none; color: inherit; }
a:hover { text-decoration: none; }
ul, li { list-style: none; }
img { border: 0; max-width: 100%; }
.clear { clear: both; }
.container { max-width: 1380px; margin: 0 auto; padding: 0 20px; }

/* ========== 顶部信息栏 ========== */
.hs-topbar { background: #0f2b4a; color: #fff; font-size: 13px; height: 36px; line-height: 36px; }
.hs-topbar .container { display: flex; justify-content: space-between; align-items: center; height: 36px; }
.hs-topbar a { color: #fff; margin-left: 15px; }
.hs-topbar a:hover { color: #c9a84c; }

/* ========== 头部导航 ========== */
.hs-header { background: #fff; position: relative; z-index: 100; transition: all 0.3s; box-shadow: 0 2px 8px rgba(0,0,0,0.05); }
.hs-header.fixed { position: fixed; top: 0; left: 0; right: 0; box-shadow: 0 4px 20px rgba(0,0,0,0.1); }
.hs-header .container { display: flex; align-items: center; justify-content: space-between; height: 90px; gap: 10px; }
.hs-logo { display: flex; align-items: center; flex-shrink: 0; }
.hs-logo img { height: 48px; }
.hs-logo ul.toper\.company {
    margin: 0 0 0 10px;
    padding: 0;
    list-style: none;
    font-size: 20px;
    font-weight: bold;
    color: #0f2b4a;
    letter-spacing: 0;
    white-space: nowrap;
}

.hs-logo-text { margin-left: 12px; }
.hs-logo-text h1 { font-size: 20px; color: #0f2b4a; font-weight: bold; }
.hs-logo-text p { font-size: 12px; color: #999; letter-spacing: 2px; }

.hs-header nav { flex: 1; display: flex; justify-content: center; }
.hs-nav { display: flex; align-items: center; justify-content: center; }
.hs-nav > li { position: relative; }
.hs-nav > li > a { display: block; padding: 0 8px; line-height: 90px; font-size: 13px; color: #333; font-weight: 500; position: relative; white-space: nowrap; transition: color 0.3s; }
.hs-nav > li > a:hover, .hs-nav > li.active > a { color: #c9a84c; }
.hs-nav > li > a::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 0; height: 3px; background: #c9a84c; transition: width 0.3s; }
.hs-nav > li > a:hover::after, .hs-nav > li.active > a::after { width: 60%; }

.hs-nav .submenu { position: absolute; top: 100%; left: 50%; transform: translateX(-50%); background: #fff; min-width: 180px; box-shadow: 0 8px 24px rgba(0,0,0,0.12); opacity: 0; visibility: hidden; transform: translateX(-50%) translateY(10px); transition: all 0.3s; z-index: 200; border-top: 3px solid #c9a84c; }
.hs-nav > li:hover .submenu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.hs-nav .submenu li { border-bottom: 1px solid #f0f0f0; }
.hs-nav .submenu li:last-child { border-bottom: none; }
.hs-nav .submenu a { display: block; padding: 12px 20px; font-size: 14px; color: #555; text-align: center; white-space: nowrap; }
.hs-nav .submenu a:hover { background: #f8f9fb; color: #c9a84c; }

.hs-header-phone { color: #c9a84c; font-weight: bold; font-size: 14px; white-space: nowrap; }
.hs-header-phone::before { content: "📞 "; margin-right: 5px; }

/* ========== Banner轮播 ========== */
.hs-banner { position: relative; height: 520px; overflow: hidden; }
.hs-banner .slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0; transition: opacity 0.8s; background-size: cover; background-position: center; }
.hs-banner .slide.active { opacity: 1; }
.hs-banner .slide::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,43,74,0.6) 0%, rgba(15,43,74,0.2) 100%); }
.hs-banner .slide-content { position: relative; z-index: 2; max-width: 1280px; margin: 0 auto; padding: 0 20px; height: 100%; display: flex; flex-direction: column; justify-content: center; }
.hs-banner .slide-content h2 { font-size: 48px; color: #fff; font-weight: bold; margin-bottom: 20px; text-shadow: 0 2px 10px rgba(0,0,0,0.3); }
.hs-banner .slide-content p { font-size: 20px; color: #fff; margin-bottom: 30px; text-shadow: 0 2px 10px rgba(0,0,0,0.3); }
.hs-banner .slide-content .btn { display: inline-block; padding: 12px 36px; background: #c9a84c; color: #fff; font-size: 16px; border-radius: 4px; }
.hs-banner .slide-content .btn:hover { background: #b8963d; }

.hs-banner .arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 50px; height: 50px; background: rgba(255,255,255,0.2); border: none; color: #fff; font-size: 24px; cursor: pointer; border-radius: 50%; z-index: 10; transition: all 0.3s; }
.hs-banner .arrow:hover { background: #c9a84c; }
.hs-banner .arrow.prev { left: 30px; }
.hs-banner .arrow.next { right: 30px; }
.hs-banner .dots { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 10; }
.hs-banner .dots span { width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,0.5); cursor: pointer; transition: all 0.3s; }
.hs-banner .dots span.active { background: #c9a84c; width: 30px; border-radius: 6px; }

/* ========== 内页Banner ========== */
.hs-page-banner { height: 280px; background-size: cover; background-position: center; position: relative; display: flex; align-items: center; justify-content: center; }
.hs-page-banner::before { content: ''; position: absolute; inset: 0; background: rgba(15,43,74,0.55); }
.hs-page-banner .page-title { position: relative; z-index: 2; text-align: center; color: #fff; }
.hs-page-banner .page-title h1 { font-size: 38px; font-weight: bold; margin-bottom: 10px; }
.hs-page-banner .page-title p { font-size: 14px; opacity: 0.9; letter-spacing: 3px; }


/* ========== 页面位置导航 ========== */
.hs-breadcrumb { padding: 15px 0; border-bottom: 1px solid #eee; font-size: 14px; color: #888; }
.hs-breadcrumb a { color: #888; }
.hs-breadcrumb a:hover { color: #c9a84c; }
.hs-breadcrumb .sep { margin: 0 8px; }

/* ========== 通用区块标题 ========== */
.hs-section { padding: 80px 0; }
.hs-section.gray { background: #f8f9fb; }
.hs-title { text-align: center; margin-bottom: 50px; }
.hs-title h2 { font-size: 36px; color: #0f2b4a; font-weight: bold; margin-bottom: 15px; position: relative; display: inline-block; padding: 0 30px; }
.hs-title h2::before, .hs-title h2::after { content: ''; position: absolute; top: 50%; width: 40px; height: 2px; background: #c9a84c; }
.hs-title h2::before { left: -40px; }
.hs-title h2::after { right: -40px; }
.hs-title p { color: #999; font-size: 14px; letter-spacing: 4px; text-transform: uppercase; }
.hs-title .more-link { display: inline-block; margin-top: 15px; color: #c9a84c; font-size: 14px; }

/* ========== 数据统计区 ========== */
.hs-stats { background: linear-gradient(135deg, #0f2b4a 0%, #1a3d5c 100%); padding: 60px 0; color: #fff; }
.hs-stats .container { display: flex; justify-content: space-around; flex-wrap: wrap; }
.hs-stats .stat-item { text-align: center; padding: 20px 40px; }
.hs-stats .stat-item .num { font-size: 48px; font-weight: bold; color: #c9a84c; line-height: 1; }
.hs-stats .stat-item .num .suffix { font-size: 24px; margin-left: 3px; }
.hs-stats .stat-item .label { font-size: 16px; margin-top: 12px; opacity: 0.9; }

/* ========== 关于我们 ========== */
.hs-about-wrap { display: flex; gap: 60px; align-items: center; flex-wrap: wrap; }
.hs-about-img { flex: 1; min-width: 400px; position: relative; }
.hs-about-img img { width: 100%; border-radius: 8px; box-shadow: 0 10px 40px rgba(0,0,0,0.15); }
.hs-about-img::before { content: ''; position: absolute; top: -20px; left: -20px; right: 40px; bottom: 40px; border: 3px solid #c9a84c; border-radius: 8px; z-index: -1; }
.hs-about-text { flex: 1; min-width: 400px; }
.hs-about-text h3 { font-size: 28px; color: #0f2b4a; margin-bottom: 20px; }
.hs-about-text p { color: #666; font-size: 15px; line-height: 2; margin-bottom: 15px; }
.hs-about-text .btn-more { display: inline-block; padding: 10px 30px; border: 2px solid #c9a84c; color: #c9a84c; border-radius: 4px; margin-top: 15px; }
.hs-about-text .btn-more:hover { background: #c9a84c; color: #fff; }

/* ========== 新闻资讯三列 ========== */
.hs-news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.hs-news-item { background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 4px 20px rgba(0,0,0,0.06); transition: all 0.4s; cursor: pointer; }
.hs-news-item:hover { transform: translateY(-8px); box-shadow: 0 12px 40px rgba(0,0,0,0.12); }
.hs-news-item .news-img { height: 200px; background-size: cover; background-position: center; position: relative; overflow: hidden; }
.hs-news-item .news-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(transparent 50%, rgba(0,0,0,0.4)); }
.hs-news-item .news-img .date-tag { position: absolute; top: 15px; right: 15px; background: #c9a84c; color: #fff; padding: 6px 12px; border-radius: 4px; font-size: 12px; z-index: 2; }
.hs-news-item .news-body { padding: 20px; }
.hs-news-item .news-body h3 { font-size: 18px; color: #0f2b4a; margin-bottom: 10px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hs-news-item .news-body p { color: #888; font-size: 14px; line-height: 1.8; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ========== 设备展示横向滚动 ========== */
.hs-device-scroll { position: relative; }
.hs-device-track { display: flex; gap: 24px; overflow-x: auto; padding: 10px 0 20px; scroll-behavior: smooth; }
.hs-device-track::-webkit-scrollbar { height: 6px; }
.hs-device-track::-webkit-scrollbar-thumb { background: #c9a84c; border-radius: 3px; }
.hs-device-item { flex: 0 0 280px; background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 4px 16px rgba(0,0,0,0.06); transition: all 0.3s; }
.hs-device-item:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.12); }
.hs-device-item .dev-img { height: 200px; background-size: cover; background-position: center; }
.hs-device-item .dev-body { padding: 18px; text-align: center; }
.hs-device-item .dev-body h4 { font-size: 17px; color: #0f2b4a; margin-bottom: 8px; }
.hs-device-item .dev-body p { color: #999; font-size: 13px; }

/* ========== 工程案例四列 ========== */
.hs-cases-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.hs-case-item { position: relative; border-radius: 8px; overflow: hidden; cursor: pointer; aspect-ratio: 3/4; }
.hs-case-item .case-img { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform 0.5s; }
.hs-case-item:hover .case-img { transform: scale(1.1); }
.hs-case-item .case-overlay { position: absolute; inset: 0; background: linear-gradient(transparent 40%, rgba(15,43,74,0.9)); display: flex; align-items: flex-end; padding: 20px; }
.hs-case-item .case-overlay h4 { color: #fff; font-size: 16px; margin-bottom: 5px; }
.hs-case-item .case-overlay p { color: #c9a84c; font-size: 13px; }

/* ========== 联系我们区块 ========== */
.hs-contact-block { background: #0f2b4a; padding: 80px 0; color: #fff; position: relative; overflow: hidden; }
.hs-contact-block::before { content: ''; position: absolute; right: -100px; top: -100px; width: 400px; height: 400px; background: rgba(201,168,76,0.08); border-radius: 50%; }
.hs-contact-wrap { display: flex; gap: 60px; position: relative; z-index: 2; flex-wrap: wrap; }
.hs-contact-info { flex: 1; min-width: 350px; }
.hs-contact-info h3 { font-size: 30px; color: #fff; margin-bottom: 10px; }
.hs-contact-info h3 .gold { color: #c9a84c; }
.hs-contact-info .subtitle { color: rgba(255,255,255,0.6); margin-bottom: 30px; font-size: 14px; letter-spacing: 2px; }
.hs-contact-info ul li { padding: 12px 0; font-size: 15px; display: flex; align-items: center; border-bottom: 1px solid rgba(255,255,255,0.08); }
.hs-contact-info ul li:last-child { border-bottom: none; }
.hs-contact-info ul li .icon { width: 40px; height: 40px; border-radius: 50%; background: rgba(201,168,76,0.15); color: #c9a84c; display: flex; align-items: center; justify-content: center; margin-right: 15px; font-size: 18px; }
.hs-contact-info ul li strong { color: #c9a84c; margin-left: 5px; }

/* ========== 双栏布局（内页） ========== */
.hs-two-col { display: flex; gap: 40px; padding: 40px 0; }
.hs-sidebar { width: 260px; flex-shrink: 0; }
.hs-sidebar-box { background: #fff; border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.05); margin-bottom: 25px; overflow: hidden; }
.hs-sidebar-title { background: #0f2b4a; color: #fff; padding: 18px 20px; font-size: 18px; font-weight: bold; position: relative; }
.hs-sidebar-title::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 4px; height: 60%; background: #c9a84c; }
.hs-sidebar-menu li { border-bottom: 1px solid #f0f0f0; }
.hs-sidebar-menu li:last-child { border-bottom: none; }
.hs-sidebar-menu a { display: block; padding: 14px 20px; font-size: 14px; color: #555; position: relative; }
.hs-sidebar-menu a:hover, .hs-sidebar-menu li.active a { background: #f8f9fb; color: #c9a84c; padding-left: 28px; }
.hs-sidebar-menu a::before { content: '>'; position: absolute; left: 20px; opacity: 0; transition: all 0.3s; }
.hs-sidebar-menu a:hover::before, .hs-sidebar-menu li.active a::before { opacity: 1; left: 12px; }

.hs-main-content { flex: 1; min-width: 0; }
.hs-content-box { background: #fff; border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.05); padding: 30px; }

/* ========== 列表项 ========== */
.hs-list-item { display: flex; gap: 25px; padding: 25px 0; border-bottom: 1px solid #eee; transition: all 0.3s; }
.hs-list-item:last-child { border-bottom: none; }
.hs-list-item:hover { padding-left: 10px; }
.hs-list-item .list-img { flex: 0 0 240px; height: 160px; background-size: cover; background-position: center; border-radius: 6px; }
.hs-list-item .list-body { flex: 1; min-width: 0; }
.hs-list-item .list-body h3 { font-size: 20px; color: #0f2b4a; margin-bottom: 12px; }
.hs-list-item .list-body h3:hover { color: #c9a84c; }
.hs-list-item .list-body .meta { color: #999; font-size: 13px; margin-bottom: 12px; }
.hs-list-item .list-body .meta span { margin-right: 15px; }
.hs-list-item .list-body p { color: #888; font-size: 14px; line-height: 1.8; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ========== 详情页 ========== */
.hs-detail h1 { font-size: 30px; color: #0f2b4a; text-align: center; margin-bottom: 15px; font-weight: bold; }
.hs-detail .detail-meta { text-align: center; color: #999; font-size: 13px; padding-bottom: 20px; border-bottom: 1px solid #eee; margin-bottom: 30px; }
.hs-detail .detail-meta span { margin: 0 10px; }
.hs-detail .detail-content { font-size: 15px; line-height: 2; color: #444; }
.hs-detail .detail-content p { margin-bottom: 15px; }
.hs-detail .detail-content img { max-width: 100%; border-radius: 4px; margin: 15px 0; }
.hs-detail .detail-content h3 { color: #0f2b4a; font-size: 20px; margin: 25px 0 15px; }

/* ========== 表单 ========== */
.hs-form .form-group { margin-bottom: 20px; }
.hs-form label { display: block; margin-bottom: 8px; color: #555; font-size: 14px; font-weight: 500; }
.hs-form label .req { color: #e74c3c; margin-right: 3px; }
.hs-form input[type=text], .hs-form input[type=tel], .hs-form input[type=email], .hs-form textarea {
    width: 100%; padding: 12px 15px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; font-family: inherit; transition: all 0.3s;
}
.hs-form input:focus, .hs-form textarea:focus { border-color: #c9a84c; outline: none; box-shadow: 0 0 0 3px rgba(201,168,76,0.1); }
.hs-form textarea { min-height: 120px; resize: vertical; }
.hs-form .btn-submit { background: #c9a84c; color: #fff; border: none; padding: 12px 50px; font-size: 16px; border-radius: 4px; cursor: pointer; transition: all 0.3s; }
.hs-form .btn-submit:hover { background: #b8963d; }

/* ========== 分页 ========== */
.hs-pagination { display: flex; justify-content: center; padding: 30px 0; }
.hs-pagination ul.pagination { list-style: none; margin: 0; padding: 0; display: flex; gap: 8px; }
.hs-pagination ul.pagination li { margin: 0; }
.hs-pagination a, .hs-pagination span { padding: 8px 16px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; color: #555; display: inline-block; text-decoration: none; }
.hs-pagination a:hover { border-color: #c9a84c; color: #c9a84c; }
.hs-pagination .current, .hs-pagination ul.pagination li.active span { background: #0f2b4a; color: #fff; border-color: #0f2b4a; }
.hs-pagination ul.pagination li.disabled span { color: #ccc; cursor: not-allowed; }

/* ========== 页脚 ========== */
.hs-footer { background: #0a1f36; color: rgba(255,255,255,0.7); padding: 60px 0 0; }
.hs-footer .container { display: flex; gap: 50px; flex-wrap: wrap; }
.hs-footer-col { flex: 1; min-width: 200px; }
.hs-footer-col h4 { color: #fff; font-size: 17px; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 2px solid #c9a84c; display: inline-block; }
.hs-footer-col p { line-height: 2; font-size: 14px; }
.hs-footer-col ul li { padding: 6px 0; font-size: 14px; }
.hs-footer-col ul li a { color: rgba(255,255,255,0.7); }
.hs-footer-col ul li a:hover { color: #c9a84c; padding-left: 5px; }
.hs-footer-tel { font-size: 28px; color: #c9a84c; font-weight: bold; margin: 10px 0; }
.hs-footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); margin-top: 50px; padding: 20px 0; text-align: center; font-size: 13px; }

/* ========== 滚动进度条 ========== */
.hs-progress-bar { position: fixed; top: 0; left: 0; height: 3px; background: linear-gradient(90deg, #c9a84c, #e8c76d); z-index: 9999; width: 0%; transition: width 0.1s; }

/* ========== 返回顶部 ========== */
.hs-back-top { position: fixed; right: 30px; bottom: 80px; width: 48px; height: 48px; background: #0f2b4a; color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; opacity: 0; visibility: hidden; transition: all 0.3s; z-index: 999; box-shadow: 0 4px 15px rgba(0,0,0,0.2); }
.hs-back-top.show { opacity: 1; visibility: visible; }
.hs-back-top:hover { background: #c9a84c; }

/* ========== 响应式 ========== */
@media (max-width: 992px) {
    .hs-news-grid { grid-template-columns: repeat(2, 1fr); }
    .hs-cases-grid { grid-template-columns: repeat(2, 1fr); }
    .hs-banner { height: 400px; }
    .hs-banner .slide-content h2 { font-size: 34px; }
    .hs-about-wrap, .hs-contact-wrap { flex-direction: column; }
    .hs-about-img, .hs-about-text, .hs-contact-info { min-width: 100%; }
    .hs-two-col { flex-direction: column; }
    .hs-sidebar { width: 100%; }
    .hs-stats .stat-item { padding: 20px; }
    .hs-stats .stat-item .num { font-size: 36px; }
}

@media (max-width: 768px) {
    .hs-header .container { height: 70px; }
    .hs-logo img { height: 45px; }
    .hs-logo-text h1 { font-size: 17px; }
    .hs-logo-text p { display: none; }
    .hs-nav > li > a { padding: 0 12px; line-height: 70px; font-size: 14px; }
    .hs-banner { height: 280px; }
    .hs-banner .slide-content h2 { font-size: 24px; }
    .hs-banner .slide-content p { font-size: 14px; }
    .hs-banner .arrow { width: 36px; height: 36px; font-size: 16px; }
    .hs-section { padding: 50px 0; }
    .hs-title h2 { font-size: 26px; }
    .hs-news-grid { grid-template-columns: 1fr; }
    .hs-cases-grid { grid-template-columns: repeat(2, 1fr); gap: 15px; }
    .hs-list-item { flex-direction: column; }
    .hs-list-item .list-img { flex: none; width: 100%; height: 200px; }
    .hs-page-banner { height: 180px; }
    .hs-page-banner .page-title h1 { font-size: 26px; }
    .hs-device-item { flex: 0 0 240px; }
    .hs-content-box { padding: 20px; }
    .hs-detail h1 { font-size: 22px; }
}

@media (max-width: 480px) {
    .hs-nav > li > a { padding: 0 8px; font-size: 13px; }
    .hs-logo-text { display: none; }
    .hs-cases-grid { grid-template-columns: 1fr; }
    .hs-topbar { display: none; }
}

/* ========== 核心优势 ========== */
.hs-advantages { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.hs-adv-item { background: #fff; border-radius: 12px; padding: 40px 30px; text-align: center; box-shadow: 0 4px 20px rgba(0,0,0,0.06); transition: all 0.4s; border-bottom: 3px solid transparent; }
.hs-adv-item:hover { transform: translateY(-8px); box-shadow: 0 15px 40px rgba(0,0,0,0.12); border-bottom-color: #c9a84c; }
.hs-adv-item .adv-icon { font-size: 48px; margin-bottom: 20px; }
.hs-adv-item h3 { font-size: 22px; color: #c9a84c; margin-bottom: 15px; }
.hs-adv-item p { color: #666; font-size: 14px; line-height: 1.9; }

/* ========== 资质荣誉横向滚动 ========== */
.hs-honor-scroll { position: relative; }
.hs-honor-track { display: flex; gap: 20px; overflow-x: auto; padding: 10px 0 20px; scroll-behavior: smooth; }
.hs-honor-track::-webkit-scrollbar { height: 6px; }
.hs-honor-track::-webkit-scrollbar-thumb { background: #c9a84c; border-radius: 3px; }
.hs-honor-item { flex: 0 0 200px; background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 4px 16px rgba(0,0,0,0.06); cursor: pointer; transition: all 0.3s; }
.hs-honor-item:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.12); }
.hs-honor-item .honor-img { height: 150px; background-size: cover; background-position: center; }
.hs-honor-item .honor-title { padding: 12px; text-align: center; font-size: 13px; color: #555; }

/* ========== 灯箱 ========== */
.hs-lightbox { position: fixed; inset: 0; background: rgba(0,0,0,0.85); z-index: 9999; display: none; align-items: center; justify-content: center; }
.hs-lightbox.show { display: flex; }
.hs-lightbox img { max-width: 90%; max-height: 90%; border-radius: 8px; box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.hs-lightbox-close { position: absolute; top: 30px; right: 40px; color: #fff; font-size: 36px; cursor: pointer; background: none; border: none; z-index: 10; }

/* ========== 导航电话 ========== */
.hs-header-phone { color: #c9a84c; font-weight: bold; font-size: 16px; margin-left: 20px; white-space: nowrap; }

/* ========== 滚动渐入 ========== */
.hs-fade-in { opacity: 0; transform: translateY(30px); transition: all 0.6s ease-out; }
.hs-fade-in.visible { opacity: 1; transform: translateY(0); }

/* ========== 联系地图 ========== */
.hs-contact-map { border-radius: 8px; overflow: hidden; box-shadow: 0 4px 20px rgba(0,0,0,0.1); height: 320px; background-size: cover; background-position: center; }

/* ========== 响应式补充 ========== */
@media (max-width: 992px) {
    .hs-advantages { grid-template-columns: 1fr; }
    .hs-header-phone { display: none; }
}