/* ==========================================================
   好凯瑞科技 - 全站样式表（整理版）
   配色：#1e40af（主）/ #3b82f6（辅）/ #f59e0b（强调）
   ========================================================== */

/* ==================== 1. 全局重置 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}
html { scroll-behavior: smooth; }
body {
    background-color: #f6f9fe;
    color: #1e293b;
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a { text-decoration: none; color: inherit; transition: all 0.25s ease; }
img { max-width: 100%; height: auto; display: block; }
::selection { background: #1e40af; color: #fff; }

/* 自定义滚动条 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #eef2f7; }
::-webkit-scrollbar-thumb { background: #c7d5e8; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #1e40af; }

/* ==================== 2. 通用容器 ==================== */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ==================== 3. 顶部导航 ==================== */
nav {
    background: rgba(255, 255, 255);
    backdrop-filter: saturate(180%) blur(18px);
    -webkit-backdrop-filter: saturate(180%) blur(18px);
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.06), 0 8px 24px -12px rgba(15, 23, 42, 0.12);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom:1px solid #2f70ed;
}
.nav-inner {
    max-width: 1440px;
    margin: 0 auto;
    padding: 16px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}
.logo {
    display: flex;
    flex-direction: column;      /* ← 竖向排列，Logo 在上，文字在下 */
    align-items: center;     /* ← 左对齐（也可以 center 居中） */
    gap: 6px;                    /* ← Logo 和文字间距 */
    font-size: 22px;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.5px;
    flex-shrink: 0;
}
.logo::before {
    display: none;               /* 删掉原来那个小蓝块 */
}
.logo-img {
    height: 70px;                /* ← Logo 高度，按需调 */
    width: auto;
    display: block;
}
.logo-text {
    font-size: 18px;             /* ← 文字大小，可调 */
    font-weight: 800;
    color: #0f172a;
    line-height: 1.2;
}
.logo-text span {
    color: #1e40af;
}
.logo::before {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 3px;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    box-shadow: 0 2px 8px rgba(30, 64, 175, 0.35);
    flex-shrink: 0;
}
.logo span { color: #1e40af; }

/* 导航链接 */
.nav-links {
    position: relative;
    display: flex;
    gap: 0;
    flex: 1;
    justify-content: space-evenly;
    padding: 0 60px;
}
.nav-links a {
    position: relative;
    z-index: 2;
    font-size: 15px;
    font-weight: 600;
    color: #475569;
    padding: 10px 20px;
    border-radius: 22px;
    transition: color 0.15s ease;
    white-space: nowrap;
}
.nav-links a.active {
    color: #fff;            /* ← 用 .active class 而不是 :hover */
}
.nav-links a::after {
    display: none;
}

/* 滑动胶囊背景 */
.nav-slider {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    height: 40px;
    width: 0;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    border-radius: 22px;
    opacity: 0;
    transition: all 0.1s ease;      /* ← 加快滑动 */
    z-index: 1;
    pointer-events: none;
    box-shadow: 0 6px 16px -6px rgba(30, 64, 175, 0.55);
}
.nav-slider.show {
    opacity: 1;
}
.nav-links a:hover::after {
    width: 100%;
}

/* 右侧区域 */
.nav-right {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-shrink: 0;
}

/* 询盘按钮 */
.nav-btn {
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: #fff;
    padding: 10px 10px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 6px 18px -6px rgba(30, 64, 175, 0.5);
    transition: all 0.28s ease;
}
.nav-btn:hover {
    background: linear-gradient(135deg, #1e3a8a, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 10px 22px -8px rgba(30, 64, 175, 0.65);
}

/* 汉堡按钮 */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    transition: background 0.25s ease;
}
.menu-toggle:hover { background: #eff6ff; }
.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #0f172a;
    border-radius: 2px;
    transition: all 0.3s ease;
}
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==================== 4. 语言切换器 ==================== */
.lang-switch {
    position: relative;
    cursor: pointer;
    user-select: none;
    padding: 6px 0;
}
.lang-current {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #475569;
    padding: 8px 14px;
    border-radius: 10px;
    transition: all 0.25s ease;
}
.lang-current img {
    width: 20px;
    height: 15px;
    border-radius: 3px;
    object-fit: cover;
    box-shadow: 0 0 2px rgba(0,0,0,0.1);
}
.lang-switch:hover .lang-current {
    color: #1e40af;
    background: #eff6ff;
}
.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    box-shadow: 0 18px 45px -12px rgba(15, 23, 42, 0.18);
    min-width: 170px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.25s ease;
    z-index: 100;
}
.lang-switch:hover .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.lang-dropdown a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 14px;
    font-size: 14px;
    color: #334155;
    border-radius: 10px;
    white-space: nowrap;
}
.lang-dropdown a img {
    width: 20px;
    height: 15px;
    border-radius: 3px;
    object-fit: cover;
}
.lang-dropdown a:hover {
    background: #eff6ff;
    color: #1e40af;
}
.lang-dropdown::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 20px;
    width: 10px;
    height: 10px;
    background: #fff;
    border-left: 1px solid #e2e8f0;
    border-top: 1px solid #e2e8f0;
    transform: rotate(45deg);
}

/* ==================== 5. 顶部搜索栏 ==================== */
.top-search-bar {
    background: #fff;
    padding: 16px 0;
    border-bottom: 1px solid #eef2f7;
}
.top-search-bar form {
    display: flex;
    max-width: 640px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 18px -8px rgba(15, 23, 42, 0.15);
    border: 1px solid #e2e8f0;
    transition: box-shadow 0.28s ease, border-color 0.28s ease;
}
.top-search-bar form:focus-within {
    border-color: #93c5fd;
    box-shadow: 0 6px 24px -8px rgba(30, 64, 175, 0.25);
}
.top-search-bar input {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-right: none;
    border-radius: 0;
    outline: none;
    font-size: 15px;
    background: #fff;
    color: #1e293b;
}
.top-search-bar input::placeholder { color: #94a3b8; }
.top-search-bar button {
    padding: 14px 35px;
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    color: #fff;
    border: none;
    font-weight: 700;
    cursor: pointer;
    font-size: 15px;
    transition: all 0.25s ease;
    text-shadow: 0 1px 2px rgba(0,0,0,0.08);
}
.top-search-bar button:hover {
    background: linear-gradient(135deg, #d97706, #f59e0b);
    letter-spacing: 1px;
}

/* ==================== 6. Hero ==================== */
.hero {
    padding: 80px 5%;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    background: linear-gradient(135deg, #ffffff 0%, #eff6ff 60%, #e0edff 100%);
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -120px;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.14), transparent 70%);
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -140px;
    left: -100px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.1), transparent 70%);
    pointer-events: none;
}
.hero-text { position: relative; z-index: 1; }
.hero-text .badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.8);
    color: #1e40af;
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 25px;
    border: 1px solid #dbeafe;
    box-shadow: 0 4px 12px -6px rgba(30, 64, 175, 0.25);
    backdrop-filter: blur(4px);
}
.hero-text h1 {
    font-size: 46px;
    line-height: 1.2;
    color: #0f172a;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
}
.hero-text h1 span {
    color: #1e40af;
    position: relative;
    display: inline-block;
}
.hero-text h1 span::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 4px;
    width: 100%;
    height: 10px;
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.22), rgba(245, 158, 11, 0.22));
    border-radius: 4px;
    z-index: -1;
}
.hero-text p {
    font-size: 17px;
    color: #64748b;
    line-height: 1.8;
    margin-bottom: 35px;
}
.hero-btns { display: flex; gap: 15px; flex-wrap: wrap; }
.hero-image { position: relative; z-index: 1; }
.hero-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 30px 60px -20px rgba(15, 23, 42, 0.25), 0 0 0 1px rgba(255,255,255,0.6) inset;
    transition: transform 0.5s ease, box-shadow 0.5s ease;
}
.hero-image img:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 0 40px 70px -24px rgba(30, 64, 175, 0.3), 0 0 0 1px rgba(255,255,255,0.7) inset;
}

/* ==================== 7. 按钮 ==================== */
.btn-primary {
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: #fff;
    padding: 14px 34px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 15px;
    display: inline-block;
    border: none;
    cursor: pointer;
    transition: all 0.28s ease;
    box-shadow: 0 10px 24px -10px rgba(30, 64, 175, 0.55);
    position: relative;
    overflow: hidden;
}
.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -80%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
    transform: skewX(-20deg);
    transition: left 0.55s ease;
}
.btn-primary:hover {
    background: linear-gradient(135deg, #1e3a8a, #2563eb);
    transform: translateY(-3px);
    box-shadow: 0 16px 32px -12px rgba(30, 64, 175, 0.65);
}
.btn-primary:hover::after { left: 120%; }

.btn-outline {
    background: rgba(255,255,255,0.6);
    color: #0f172a;
    padding: 14px 34px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 15px;
    display: inline-block;
    border: 2px solid #cbd5e1;
    transition: all 0.28s ease;
    backdrop-filter: blur(4px);
}
.btn-outline:hover {
    border-color: #1e40af;
    color: #1e40af;
    background: #eff6ff;
    transform: translateY(-3px);
    box-shadow: 0 12px 26px -14px rgba(30, 64, 175, 0.4);
}

/* ==================== 8. 通用区块 / 页面头 ==================== */
.section { padding: 80px 5%; }
.section-header {
    text-align: center;
    margin-bottom: 50px;
}
.section-header h2 {
    font-size: 34px;
    color: #0f172a;
    margin-bottom: 12px;
    font-weight: 800;
    letter-spacing: -0.5px;
    position: relative;
    display: inline-block;
}
.section-header h2::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -10px;
    transform: translateX(-50%);
    width: 56px;
    height: 4px;
    border-radius: 4px;
    background: linear-gradient(90deg, #1e40af, #f59e0b);
}
.section-header p {
    color: #64748b;
    font-size: 16px;
    margin-top: 18px;
}

.page-header {
    background: linear-gradient(135deg, #0f172a 0%, #1e40af 60%, #3b82f6 100%);
    color: #fff;
    padding: 120px 5% 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
    display: none;
}
.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.08), transparent 60%);
    pointer-events: none;
}
.page-header::after {
    content: '';
    position: absolute;
    bottom: -60px;
    right: -60px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.1);
    pointer-events: none;
}
.page-header h1 {
    font-size: 40px;
    margin-bottom: 12px;
    font-weight: 800;
    letter-spacing: -0.5px;
    position: relative;
    z-index: 1;
}
.page-header p {
    color: #bfdbfe;
    font-size: 16px;
    position: relative;
    z-index: 1;
}

/* ==================== 9. 数据网格 ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}
.stat-card {
    background: #fff;
    border-radius: 16px;
    padding: 35px 25px;
    text-align: center;
    border: 1px solid #eef2f7;
    transition: all 0.32s ease;
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #1e40af, #3b82f6, #f59e0b);
    opacity: 0;
    transition: opacity 0.32s ease;
}
.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 48px -20px rgba(30, 64, 175, 0.22);
    border-color: #dbeafe;
}
.stat-card:hover::before { opacity: 1; }
.stat-card h3 {
    font-size: 38px;
    color: #1e40af;
    font-weight: 800;
    margin-bottom: 5px;
    letter-spacing: -1px;
}
.stat-card p {
    color: #64748b;
    font-size: 14px;
    font-weight: 600;
}

/* ==================== 10. 产品网格 ==================== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}
.product-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #eef2f7;
    transition: all 0.35s ease;
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 28px 56px -24px rgba(15, 23, 42, 0.2);
    border-color: #dbeafe;
}
.product-card .img {
    height: 200px;
    overflow: hidden;
    background: #f1f5f9;
    position: relative;
}
.product-card .img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.12), transparent 50%);
    opacity: 0;
    transition: opacity 0.35s ease;
}
.product-card:hover .img::after { opacity: 1; }
.product-card .img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.product-card:hover .img img { transform: scale(1.1); }
.product-card .info {
    padding: 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.product-card .info h3 {
    font-size: 17px;
    color: #0f172a;
    margin-bottom: 10px;
    font-weight: 700;
    transition: color 0.25s ease;
}
.product-card:hover .info h3 { color: #1e40af; }
.product-card .info p {
    color: #64748b;
    font-size: 13px;
    line-height: 1.7;
    margin-bottom: 18px;
    flex: 1;
}
.product-card .info .btn-inquire {
    display: block;
    text-align: center;
    padding: 11px;
    background: #eff6ff;
    color: #1e40af;
    border-radius: 10px;
    font-weight: 700;
    font-size: 13px;
    border: 1px solid #dbeafe;
    transition: all 0.28s ease;
}
.product-card .info .btn-inquire:hover {
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 8px 20px -8px rgba(30, 64, 175, 0.55);
    transform: translateY(-2px);
}

/* ==================== 11. 分类筛选 / 分页 / 空状态 ==================== */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}
.filter-item {
    padding: 8px 20px;
    border: 1px solid #e2e8f0;
    border-radius: 22px;
    color: #475569;
    font-size: 14px;
    background: #fff;
    transition: all 0.28s ease;
    cursor: pointer;
}
.filter-item:hover {
    border-color: #1e40af;
    color: #1e40af;
    box-shadow: 0 6px 16px -10px rgba(30, 64, 175, 0.4);
    transform: translateY(-2px);
}
.filter-item.active {
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 8px 20px -8px rgba(30, 64, 175, 0.55);
}

.pagination-wrap {
    text-align: center;
    margin-top: 40px;
}
.pagination-wrap .pagination {
    display: inline-flex;
    gap: 6px;
    list-style: none;
    padding: 0;
}
.pagination-wrap .pagination li a,
.pagination-wrap .pagination li span {
    display: inline-block;
    padding: 8px 14px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    color: #475569;
    font-size: 14px;
    background: #fff;
    transition: all 0.25s ease;
}
.pagination-wrap .pagination li a:hover {
    border-color: #1e40af;
    color: #1e40af;
    background: #eff6ff;
    transform: translateY(-2px);
}
.pagination-wrap .pagination li.active span {
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 6px 16px -8px rgba(30, 64, 175, 0.5);
}
.pagination-wrap .pagination li.disabled span {
    color: #cbd5e1;
    cursor: not-allowed;
}

.empty-tip {
    text-align: center;
    color: #94a3b8;
    padding: 60px 0;
    font-size: 16px;
}

/* ==================== 12. 行业应用 / 服务能力 / 资质 ==================== */
.app-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}
.app-card {
    background: #fff;
    border-radius: 16px;
    padding: 35px 25px;
    text-align: center;
    border: 1px solid #eef2f7;
    transition: all 0.32s ease;
    border-top: 3px solid #1e40af;
    position: relative;
    overflow: hidden;
}
.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08), transparent 70%);
    transition: all 0.5s ease;
}
.app-card:hover::before {
    width: 300px;
    height: 300px;
}
.app-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 48px -20px rgba(30, 64, 175, 0.18);
}
.app-card .icon {
    font-size: 38px;
    margin-bottom: 18px;
    display: block;
    transition: transform 0.32s ease;
}
.app-card:hover .icon { transform: scale(1.15) rotate(-4deg); }
.app-card h3 {
    font-size: 17px;
    color: #0f172a;
    margin-bottom: 10px;
    font-weight: 700;
    position: relative;
    z-index: 1;
}
.app-card p {
    color: #64748b;
    font-size: 13px;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}
.service-card {
    background: #fff;
    border-radius: 16px;
    padding: 35px;
    border: 1px solid #eef2f7;
    transition: all 0.32s ease;
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #1e40af, #3b82f6, #f59e0b);
    opacity: 0;
    transition: opacity 0.32s ease;
}
.service-card:hover {
    border-color: #dbeafe;
    box-shadow: 0 22px 44px -22px rgba(30, 64, 175, 0.18);
    transform: translateY(-6px);
}
.service-card:hover::before { opacity: 1; }
.service-card .icon {
    font-size: 32px;
    margin-bottom: 18px;
    display: block;
    transition: transform 0.32s ease;
}
.service-card:hover .icon { transform: scale(1.12) translateY(-2px); }
.service-card h3 {
    font-size: 17px;
    color: #0f172a;
    margin-bottom: 10px;
    font-weight: 700;
}
.service-card p {
    color: #64748b;
    font-size: 13px;
    line-height: 1.7;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}
.cert-card {
    background: #fff;
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    border: 1px solid #eef2f7;
    transition: all 0.32s ease;
    position: relative;
    overflow: hidden;
}
.cert-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #1e40af, #f59e0b);
    transition: width 0.35s ease;
    border-radius: 3px;
}
.cert-card:hover::after { width: 60%; }
.cert-card:hover {
    border-color: #dbeafe;
    box-shadow: 0 18px 36px -20px rgba(30, 64, 175, 0.16);
    transform: translateY(-6px);
}
.cert-card .icon {
    font-size: 34px;
    margin-bottom: 15px;
    display: block;
    transition: transform 0.32s ease;
}
.cert-card:hover .icon { transform: scale(1.15); }
.cert-card h4 {
    font-size: 15px;
    color: #0f172a;
    margin-bottom: 5px;
    font-weight: 700;
}
.cert-card p {
    font-size: 12px;
    color: #64748b;
}

/* ==================== 13. 新闻 / 资讯 ==================== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}
.news-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #eef2f7;
    transition: all 0.32s ease;
}
.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 28px 56px -24px rgba(15, 23, 42, 0.18);
    border-color: #dbeafe;
}
.news-card .img {
    height: 180px;
    overflow: hidden;
    position: relative;
}
.news-card .img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.15), transparent 60%);
    opacity: 0;
    transition: opacity 0.35s ease;
}
.news-card:hover .img::after { opacity: 1; }
.news-card .img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.news-card:hover .img img { transform: scale(1.08); }
.news-card .info { padding: 22px; }
.news-card .info .date {
    font-size: 12px;
    color: #1e40af;
    font-weight: 700;
    margin-bottom: 8px;
    display: inline-block;
    background: #eff6ff;
    padding: 3px 10px;
    border-radius: 6px;
    border: 1px solid #dbeafe;
}
.news-card .info h3 {
    font-size: 16px;
    color: #0f172a;
    margin-bottom: 8px;
    font-weight: 700;
    line-height: 1.4;
    transition: color 0.25s ease;
}
.news-card:hover .info h3 { color: #1e40af; }
.news-card .info p {
    color: #64748b;
    font-size: 13px;
    line-height: 1.6;
}

.news-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.news-item {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #eef2f7;
    transition: all 0.32s ease;
    display: flex;
    flex-direction: column;
}
.news-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 28px 56px -24px rgba(15, 23, 42, 0.18);
    border-color: #dbeafe;
}
.news-item-img {
    display: block;
    height: 200px;
    overflow: hidden;
    background: #f1f5f9;
    position: relative;
}
.news-item-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.18), transparent 55%);
    opacity: 0;
    transition: opacity 0.35s ease;
}
.news-item:hover .news-item-img::after { opacity: 1; }
.news-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.news-item:hover .news-item-img img { transform: scale(1.08); }
.news-item-info {
    padding: 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.news-item-info .date {
    font-size: 12px;
    color: #1e40af;
    font-weight: 700;
    margin-bottom: 8px;
    display: inline-block;
    background: #eff6ff;
    padding: 3px 10px;
    border-radius: 6px;
    border: 1px solid #dbeafe;
    align-self: flex-start;
}
.news-item-info h3 {
    font-size: 17px;
    color: #0f172a;
    margin-bottom: 10px;
    font-weight: 700;
    line-height: 1.4;
    transition: color 0.25s ease;
}
.news-item-info h3 a:hover { color: #1e40af; }
.news-item-info p {
    color: #64748b;
    font-size: 13px;
    line-height: 1.7;
    flex: 1;
    margin-bottom: 15px;
}
.news-item-info .meta {
    display: flex;
    gap: 15px;
    font-size: 12px;
    color: #94a3b8;
}

/* ==================== 14. 资讯详情 / 详情页导航 ==================== */
.article-wrap {
    max-width: 800px;
    margin: 0 auto;
}
.article-cover {
    margin-bottom: 30px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 45px -20px rgba(15, 23, 42, 0.2);
}
.article-cover img { width: 100%; display: block; }
.article-content {
    font-size: 16px;
    line-height: 1.9;
    color: #334155;
    margin-bottom: 40px;
}
.article-content p { margin-bottom: 18px; }
.article-content h2,
.article-content h3 {
    color: #0f172a;
    margin: 25px 0 15px;
    font-weight: 700;
}
.article-content ul,
.article-content ol {
    padding-left: 25px;
    margin-bottom: 18px;
}
.article-content li { margin-bottom: 8px; }
.article-content strong { color: #0f172a; }
.article-footer {
    display: flex;
    gap: 15px;
    padding-top: 30px;
    border-top: 1px solid #e2e8f0;
}

.detail-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #e2e8f0;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 50px;
    padding-left: 5%;
    padding-right: 5%;
}
.detail-nav-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: #fff;
    padding: 18px 22px;
    border-radius: 14px;
    border: 1px solid #eef2f7;
    transition: all 0.28s ease;
}
.detail-nav-item:hover {
    border-color: #dbeafe;
    box-shadow: 0 12px 28px -16px rgba(30, 64, 175, 0.18);
    transform: translateY(-3px);
}
.detail-nav-item:nth-child(2) { text-align: right; }
.detail-nav-item .label {
    font-size: 13px;
    color: #94a3b8;
    font-weight: 600;
}
.detail-nav-item .label.disabled { color: #cbd5e1; }
.detail-nav-item a {
    color: #0f172a;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
}
.detail-nav-item a:hover { color: #1e40af; }
.detail-nav-item .no-nav {
    color: #cbd5e1;
    font-size: 14px;
}

/* ==================== 15. 产品详情 ==================== */
.detail-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}
.detail-img img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 20px 45px -20px rgba(15, 23, 42, 0.15);
}
.detail-info h1 {
    font-size: 28px;
    color: #0f172a;
    margin-bottom: 15px;
    font-weight: 800;
}
.detail-info .summary {
    color: #64748b;
    margin-bottom: 20px;
    font-size: 16px;
}
.detail-info .content {
    color: #475569;
    line-height: 1.8;
    margin-bottom: 30px;
}
.detail-info > .btn-primary,
.detail-info > .btn-outline {
    margin-right: 14px;
    margin-top: 10px;
    display: inline-block;
    vertical-align: middle;
}

/* 主图 + 放大镜 */
.main-image-wrap {
    position: relative;
    width: 100%;
    background: #f8fafc;
    border-radius: 12px;
    overflow: hidden;
    /*cursor: crosshair;*/
}
.main-image-wrap #mainImage {
    width: 100%;
    display: block;
    border-radius: 12px;
}
.zoom-lens {
    position: absolute;
    border: 2px solid #1e40af;
    background: rgba(30, 64, 175, 0.1);
    width: 150px;
    height: 150px;
    cursor: crosshair;
    display: none;
    pointer-events: none;
    border-radius: 4px;
}
.zoom-result {
    position: fixed;
    right: 20%;
    top: 25%;
    width: 680px;
    height: 580px;
    border: 1px solid #466cf5;
    border-radius: 12px;
    background-color: #fff;
    background-repeat: no-repeat;
    display: none;
    z-index: 1000;
    box-shadow: 0 15px 40px rgba(15, 23, 42, 0.25);
    pointer-events: none;
}
.zoom-result::after {
    position: absolute;
    top: -12px;
    left: 12px;
    background: #1e40af;
    color: #fff;
    font-size: 11px;
    border: 0.5px solid #1e40af;
    padding: 3px 12px;
    border-radius: 12px;
    font-weight: 600;
}
.thumb-list {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
    justify-content: flex-start;
}
.thumb-list img {
    width: 72px;
    height: 72px;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    background: #f1f5f9;
}
.thumb-list img:hover {
    border-color: #93c5fd;
}
.thumb-list img.active {
    border-color: #1e40af;
    box-shadow: 0 0 0 2px rgba(30, 64, 175, 0.15);
}
@media (max-width: 992px) {
    .zoom-result { display: none !important; }
    .zoom-lens { display: none !important; }
}

/* ==================== 16. 询盘区块 / 表单 ==================== */
.inquiry-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    padding: 80px 5%;
    color: #fff;
    position: relative;
    overflow: hidden;
    margin-bottom: 100px;
}
.inquiry-section::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.12), transparent 70%);
    pointer-events: none;
}
.inquiry-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1100px;
    margin: 0 auto;
    align-items: start;    /* ← 顶部对齐 */
    position: relative;
    z-index: 1;
}
.inquiry-text h2 {
    font-size: 34px;
    margin-bottom: 20px;
    font-weight: 800;
}
.inquiry-text p {
    color: #bfdbfe;
    line-height: 1.8;
    margin-bottom: 35px;
    font-size: 15px;
}
.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 22px;
    color: #e2e8f0;
    font-size: 15px;
}
.contact-item .icon {
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    transition: all 0.28s ease;
}
.contact-item:hover .icon {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
    transform: scale(1.08);
}
.inquiry-form {
    background: #fff;
    padding: 45px;
    border-radius: 20px;
    color: #1e293b;
    box-shadow: 0 30px 70px -24px rgba(15, 23, 42, 0.4);
}
.inquiry-form h3 {
    font-size: 22px;
    color: #0f172a;
    margin-bottom: 8px;
    text-align: center;
    font-weight: 800;
}
.inquiry-form .sub {
    text-align: center;
    color: #64748b;
    font-size: 14px;
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: #475569;
    margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 13px 15px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    font-size: 14px;
    outline: none;
    transition: all 0.28s ease;
    background: #f8fafc;
    color: #1e293b;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: #3b82f6;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}
.form-group textarea {
    height: 110px;
    resize: vertical;
}
.form-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.28s ease;
    box-shadow: 0 10px 24px -10px rgba(30, 64, 175, 0.55);
    position: relative;
    overflow: hidden;
}
.form-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -80%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
    transform: skewX(-20deg);
    transition: left 0.55s ease;
}
.form-btn:hover {
    background: linear-gradient(135deg, #1e3a8a, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 16px 32px -12px rgba(30, 64, 175, 0.65);
}
.form-btn:hover::after { left: 120%; }

/* ==================== 17. 关于我们 ==================== */
.about-banner {
    min-height: 380px;
    background-size: cover;
    background-position: center;
    background-color: #0f172a;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    display: none;
}
.about-banner::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.75), rgba(30, 64, 175, 0.55));
}
.about-banner-mask {
    width: 100%;
    padding: 120px 5% 60px;
    text-align: center;
    color: #fff;
    position: relative;
    z-index: 1;
}
.about-banner-mask h1 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 12px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.about-banner-mask p {
    font-size: 17px;
    color: #bfdbfe;
}
.about-content {
    max-width: 900px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 1.9;
    color: #334155;
}
.about-content h2 {
    font-size: 24px;
    color: #0f172a;
    margin: 40px 0 18px;
    padding-left: 14px;
    border-left: 4px solid #1e40af;
    font-weight: 800;
}
.about-content h2:first-child { margin-top: 0; }
.about-content p { margin-bottom: 16px; }
.about-content ul {
    padding-left: 0;
    list-style: none;
    margin-bottom: 20px;
}
.about-content ul li {
    padding: 12px 18px;
    background: #f8fafc;
    border-radius: 10px;
    margin-bottom: 10px;
    border-left: 3px solid #dbeafe;
    transition: all 0.25s ease;
}
.about-content ul li:hover {
    background: #eff6ff;
    border-left-color: #1e40af;
    transform: translateX(4px);
}
.about-content ul li strong {
    color: #1e40af;
    margin-right: 6px;
}
.about-content strong { color: #0f172a; }
.about-btns {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 30px;
}
.about-btns .btn-primary,
.about-btns .btn-outline {
    margin: 0;
    flex: 0 0 auto;
}

/* ==================== 18. 在线留言 / 联系页 ==================== */
.message-wrap {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 40px;
    max-width: 1150px;
    margin: 0 auto;
}
.message-info-card {
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    border: 1px solid #eef2f7;
    box-shadow: 0 10px 30px -12px rgba(15, 23, 42, 0.1);
    height: fit-content;
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.message-info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 24px 50px -20px rgba(15, 23, 42, 0.16);
}
.message-info-card h2 {
    font-size: 24px;
    color: #0f172a;
    margin-bottom: 10px;
    font-weight: 800;
}
.message-info-card .sub {
    color: #64748b;
    font-size: 14px;
    margin-bottom: 30px;
    line-height: 1.6;
}
.message-info-card .contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 24px;
}
.message-info-card .contact-item:last-child { margin-bottom: 0; }
.message-info-card .contact-item .icon {
    width: 46px;
    height: 46px;
    background: #eff6ff;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
    border: 1px solid #dbeafe;
    transition: all 0.28s ease;
}
.message-info-card .contact-item:hover .icon {
    background: #1e40af;
    color: #fff;
    border-color: #1e40af;
    transform: scale(1.08);
}
.message-info-card .contact-item strong {
    color: #0f172a;
    font-size: 14px;
    display: block;
    margin-bottom: 4px;
    font-weight: 700;
}
.message-info-card .contact-item span {
    color: #475569;
    font-size: 14px;
    line-height: 1.6;
    word-break: break-all;
}
.message-form-wrap {
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    border: 1px solid #eef2f7;
    box-shadow: 0 10px 30px -12px rgba(15, 23, 42, 0.1);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.message-form-wrap:hover {
    transform: translateY(-5px);
    box-shadow: 0 24px 50px -20px rgba(15, 23, 42, 0.16);
}
.message-form-wrap h3 {
    font-size: 22px;
    color: #0f172a;
    margin-bottom: 8px;
    font-weight: 800;
}
.message-form-wrap .sub {
    color: #64748b;
    font-size: 14px;
    margin-bottom: 28px;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.contact-card {
    background: #fff;
    padding: 30px 22px;
    border-radius: 18px;
    border: 1px solid #eef2f7;
    text-align: center;
    transition: all 0.32s ease;
}
.contact-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 22px 44px -20px rgba(15, 23, 42, 0.16);
    border-color: #dbeafe;
}
.contact-card .icon {
    width: 54px;
    height: 54px;
    margin: 0 auto 15px;
    background: #eff6ff;
    border: 1px solid #dbeafe;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: all 0.32s ease;
}
.contact-card:hover .icon {
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: #fff;
    border-color: transparent;
    transform: scale(1.08) rotate(-4deg);
    box-shadow: 0 10px 22px -10px rgba(30, 64, 175, 0.55);
}
.contact-card h3 {
    font-size: 15px;
    color: #0f172a;
    margin-bottom: 8px;
    font-weight: 700;
}
.contact-card p {
    color: #1e40af;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    word-break: break-all;
}
.contact-card span {
    color: #94a3b8;
    font-size: 12px;
}
.contact-main {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 40px;
    max-width: 1150px;
    margin: 0 auto;
}
.contact-side-card,
.contact-form-wrap {
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    border: 1px solid #eef2f7;
    box-shadow: 0 10px 30px -12px rgba(15, 23, 42, 0.1);
}
.contact-side-card { border-top: 4px solid #1e40af; }
.contact-form-wrap { border-top: 4px solid #1e40af; }
.contact-side-card h2 {
    font-size: 24px;
    color: #0f172a;
    margin-bottom: 6px;
    font-weight: 800;
}
.contact-side-card .sub {
    color: #64748b;
    font-size: 14px;
    margin-bottom: 25px;
}
.contact-side-card .info-item {
    padding: 12px 0;
    border-bottom: 1px dashed #e2e8f0;
    font-size: 14px;
    color: #334155;
    line-height: 1.6;
}
.contact-side-card .info-item:last-of-type { border-bottom: none; }
.contact-side-card .info-item .label {
    display: inline-block;
    width: 70px;
    color: #94a3b8;
    font-size: 13px;
}
.contact-side-card .info-item strong {
    color: #0f172a;
    font-size: 14px;
    font-weight: 700;
}
.contact-map {
    margin-top: 20px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
}
.map-tip {
    margin-top: 10px;
    font-size: 13px;
    color: #64748b;
}
.contact-form-wrap h3 {
    font-size: 22px;
    color: #0f172a;
    margin-bottom: 8px;
    font-weight: 800;
}
.contact-form-wrap .sub {
    color: #64748b;
    font-size: 14px;
    margin-bottom: 28px;
}

/* ==================== 19. 首页主区域（分类树 + 长条横幅 + 产品区） ==================== */
.main-section {
    padding: 25px 0;
    background: #fff;
}
.main-grid {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 20px;
    align-items: stretch;     /* ← 关键：两列等高，不要写 start */
}

/* 左侧分类树 */
.sidebar-category {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    display: flex;               /* ← 关键：竖向排列 */
    flex-direction: column;
    height: 100%;                /* ← 撑满父容器 */
}
.sidebar-title {
    background: #1e40af;
    color: #fff;
    font-size: 16px;
    padding: 15px 18px;
    font-weight: 700;
    margin: 0;
}
.category-tree {
    list-style: none;
    padding: 0;
    margin: 0;
}
.category-tree .cat-level-0 > a {
    display: flex;
    align-items: center;
    padding: 13px 18px;
    color: #1e293b;
    font-size: 14px;
    font-weight: 600;
    border-bottom: 1px solid #f1f5f9;
    background: #f8fafc;
    transition: all 0.2s;
}
.category-tree .cat-level-0 > a:hover {
    background: #eff6ff;
    color: #1e40af;
}
.category-tree .cat-level-0 > a i {
    margin-right: 8px;
    color: #1e40af;
    font-size: 12px;
}
.sub-category {
    list-style: none;
    padding: 0;
    margin: 0;
    background: #fff;
}
.sub-category .cat-level-1 > a {
    display: block;
    padding: 10px 18px 10px 36px;
    color: #64748b;
    font-size: 13px;
    border-bottom: 1px solid #f8fafc;
    transition: all 0.2s;
}
.sub-category .cat-level-1 > a:hover {
    background: #eff6ff;
    color: #1e40af;
    padding-left: 42px;
}

/* 右侧区域 */
.right-area {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
/* 首页 */
.banner-strip {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: #f1f5f9;
    height: 450px;                /* ← 从 180px 改成 340px */
}

.banner-strip .swiper-banner {
    position: relative;
    width: 100%;
    height: 100%;
}
.banner-strip .banner-item {
    display: none;
    position: absolute;
    inset: 0;
}
.banner-strip .banner-item.active {
    display: block;
}
.banner-strip .banner-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.banner-strip .banner-dots {
    position: absolute;
    right: 15px;
    bottom: 10px;
    display: flex;
    gap: 6px;
    z-index: 2;
}
.banner-strip .banner-dots .dot {
    width: 18px;
    height: 18px;
 background: rgba(255, 255, 255, 0.6);
    border-radius: 60%;
    cursor: pointer;
    transition: all 0.2s;
}
.banner-strip .banner-dots .dot.active {
    background: #f59e0b;         /* ← 暖橙色 */
    border-color: #f59e0b;
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.8);
    width: 30px;
    height: 18px;
    border-radius: 4px;
}
.banner-strip .banner-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 160px;
    color: #94a3b8;
}
/* 产品中心轮播 */
.bannerProducts-strip {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: #f1f5f9;
    height: 160px;                /* ← 从 180px 改成 340px */
}

 

/* 产品区 */
.product-area {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    border: 1px solid #e2e8f0;
}
.product-area .section-title-bar {
    background: #1e40af;
    color: #fff;
    padding: 12px 20px;
    border-radius: 6px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.product-area .section-title-bar h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
}
.product-area .section-title-bar .more-link {
    color: #dbeafe;
    font-size: 14px;
}

/* 3 列产品网格 */
.product-grid-3 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.product-grid-3 .product-card-2 {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s;
}
.product-grid-3 .product-card-2:hover {
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.1);
    transform: translateY(-4px);
    border-color: #bfdbfe;
}
.product-grid-3 .product-card-2 .img {
    height: 180px;
    overflow: hidden;
    background: #f1f5f9;
}
.product-grid-3 .product-card-2 .img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.product-grid-3 .product-card-2 h4 {
    padding: 12px;
    margin: 0;
    font-size: 14px;
    color: #1e293b;
    text-align: center;
    font-weight: 600;
    line-height: 1.4;
}
.product-grid-3 .product-card-2:hover h4 {
    color: #1e40af;
}

/* ==================== 20. 顶部横幅轮播（独立长条） ==================== */
.top-banner-bar {
    background: #fff;
    padding: 12px 0;
    border-bottom: 1px solid #e2e8f0;
}
.top-banner-swiper {
    position: relative;
    width: 100%;
    height: 180px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.06);
}
.top-banner-item {
    display: none;
    position: absolute;
    inset: 0;
}
.top-banner-item.active {
    display: block;
}
.top-banner-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.top-banner-prev,
.top-banner-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.35);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    z-index: 10;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.top-banner-prev { left: 15px; }
.top-banner-next { right: 15px; }
.top-banner-prev:hover,
.top-banner-next:hover { background: rgba(0, 0, 0, 0.6); }

/* ==================== 21. 首页新品区（旧版产品网格，保留） ==================== */
.products-section {
    padding: 40px 0;
    background: #f6f9fe;
}
.section-title-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: #fff;
    padding: 14px 24px;
    border-radius: 14px;
    margin-bottom: 20px;
    box-shadow: 0 12px 28px -14px rgba(30, 64, 175, 0.5);
}
.section-title-bar h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
}
.section-title-bar .more-link {
    color: #dbeafe;
    font-size: 14px;
    transition: all 0.25s ease;
}
.section-title-bar .more-link:hover {
    color: #fff;
    transform: translateX(4px);
}
.product-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.product-card-2 {
    background: #fff;
    border: 1px solid #eef2f7;
    border-radius: 14px;
    overflow: hidden;
    transition: all 0.32s ease;
}
.product-card-2:hover {
    box-shadow: 0 22px 44px -20px rgba(15, 23, 42, 0.18);
    transform: translateY(-6px);
    border-color: #dbeafe;
}
.product-card-2 .img {
    height: 200px;
    overflow: hidden;
    background: #f1f5f9;
}
.product-card-2 .img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.product-card-2:hover .img img { transform: scale(1.08); }
.product-card-2 h4 {
    padding: 15px;
    margin: 0;
    font-size: 14px;
    color: #1e293b;
    text-align: center;
    font-weight: 600;
    line-height: 1.4;
    transition: color 0.25s ease;
}
.product-card-2:hover h4 { color: #1e40af; }

/* ==================== 22. 社交导航栏 / 浮动工具栏 ==================== */
/* 社交栏（PC 隐藏，移动端固定底部显示） */
.social-bar {
    display: none;
    justify-content: space-around;
    align-items: center;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    padding: 10px 0 calc(10px + env(safe-area-inset-bottom, 0px));
    border-top: 1px solid #1e293b;
    width: 100%;
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 999;
    box-shadow: 0 -4px 20px -8px rgba(15, 23, 42, 0.4);
}
body.is-mobile .social-bar {
    display: flex;
}

body.is-pc .social-bar {
    display: none;
}
.social-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: #cbd5e1;
    font-size: 12px;
    padding: 4px 0;
    transition: color 0.28s ease;
}
.social-item svg { transition: transform 0.28s ease; }
.social-item.home svg      { color: #f59e0b; }
.social-item.phone svg     { color: #38bdf8; }
.social-item.whatsapp svg  { color: #25d366; }
.social-item.email svg     { color: #60a5fa; }
.social-item.youtube svg   { color: #ff0000; }
.social-item.facebook svg  { color: #1877f2; }
.social-item.instagram svg { color: #e4405f; }
.social-item.linkedin svg { color: #0a66c2; }
.social-item.tiktok svg   { color: #ffffff; }   /* 黑色背景上白色 */
.social-item:hover { color: #fff; }
.social-item:hover svg { transform: translateY(-4px) scale(1.15); }

/* 浮动工具栏（PC 右侧固定） */
.float-toolbar {
    position: fixed;
    right: 20px;
    bottom: 80px;
    z-index: 999;
    display: none;
    flex-direction: column;
    gap: 10px;
}
body.is-pc .float-toolbar {
    display: flex;
}

body.is-mobile .float-toolbar {
    display: none;
}
.float-btn {
    position: relative;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.15);
    transition: all 0.25s ease;
    text-decoration: none;
}
.float-btn.youtube   { color: #ff0000; }
.float-btn.phone     { color: #0ea5e9; }
.float-btn.facebook  { color: #1877f2; }
.float-btn.whatsapp  { color: #25d366; }
.float-btn.instagram { color: #e4405f; }
.float-btn.email     { color: #3b82f6; }
.float-btn.backtop   { color: #1e40af; }
.float-btn:hover {
    transform: translateY(-4px) scale(1.08) !important;
    box-shadow: 0 8px 25px rgba(15, 23, 42, 0.25) !important;
    filter: brightness(1.1);
}
.float-tip {
    position: absolute;
    right: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%) translateX(8px);
    background: #0f172a;
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 8px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    pointer-events: auto;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
    user-select: all;
    cursor: text;
}
.float-tip::before {
    content: '';
    position: absolute;
    left: 100%;
    top: 0;
    width: 14px;
    height: 100%;
    background: transparent;
}
.float-tip::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: #0f172a;
}
.float-btn:hover .float-tip,
.float-btn .float-tip:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(-8px);
}
.float-btn.youtube   .float-tip { background: #ff0000; }
.float-btn.youtube   .float-tip::after { border-left-color: #ff0000; }
.float-btn.phone     .float-tip { background: #0ea5e9; }
.float-btn.phone     .float-tip::after { border-left-color: #0ea5e9; }
.float-btn.facebook  .float-tip { background: #1877f2; }
.float-btn.facebook  .float-tip::after { border-left-color: #1877f2; }
.float-btn.whatsapp  .float-tip { background: #25d366; }
.float-btn.whatsapp  .float-tip::after { border-left-color: #25d366; }
.float-btn.instagram .float-tip { background: #e4405f; }
.float-btn.instagram .float-tip::after { border-left-color: #e4405f; }
.float-btn.email     .float-tip { background: #3b82f6; }
.float-btn.email     .float-tip::after { border-left-color: #3b82f6; }
.float-btn.backtop   .float-tip { background: #1e40af; }
.float-btn.backtop   .float-tip::after { border-left-color: #1e40af; }

/* ==================== 23. 页脚 ==================== */
footer {
    background: linear-gradient(180deg, #0f172a, #0b1120);
    padding: 60px 5% 30px;
    color: #94a3b8;
    font-size: 14px;
    position: relative;
}
footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59,130,246,0.4), transparent);
}
.footer-grid {
    display: grid;
    /*grid-template-columns: 2fr 1fr 1fr 1fr;*/
      grid-template-columns:1fr;
    gap: 40px;
    max-width: 420px;
    margin: 0 auto 40px;
}
.footer-col h4 {
    font-size: 15px;
    color: #fff;
    margin-bottom: 20px;
    font-weight: 700;
    position: relative;
    padding-bottom: 10px;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 28px;
    height: 3px;
    border-radius: 3px;
    background: linear-gradient(90deg, #1e40af, #f59e0b);
}
.footer-col p,
.footer-col a {
    color: #94a3b8;
    line-height: 2;
    display: block;
    transition: all 0.25s ease;
}
.footer-col a:hover {
    color: #60a5fa;
    transform: translateX(4px);
}
.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #1e293b;
    color: #64748b;
    font-size: 13px;
    max-width: 1200px;
    margin: 0 auto;
}

/* ==================== 24. 响应式 ==================== */
@media (max-width: 1200px) {
    .product-grid-4 { grid-template-columns: repeat(4, 1fr); }
    .product-grid-3 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 992px) {
    .hero { grid-template-columns: 1fr; text-align: center; }
    .hero-btns { justify-content: center; }
    .stats-grid, .app-grid, .cert-grid { grid-template-columns: repeat(2, 1fr); }
    .service-grid, .news-grid { grid-template-columns: 1fr; }
    .inquiry-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .news-list-grid { grid-template-columns: repeat(2, 1fr); }
    .main-grid { grid-template-columns: 1fr; }
    .sidebar-category { margin-bottom: 20px; }
    .product-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .contact-cards { grid-template-columns: repeat(2, 1fr); }
    .contact-main { grid-template-columns: 1fr; gap: 30px; }
    .message-wrap { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 768px) {
    nav { z-index: 1000; }
    .nav-inner { padding: 12px 20px; position: relative; z-index: 1001; }
    .menu-toggle { display: flex; z-index: 1002; }
    .social-bar { display: flex; }
    body { padding-bottom: 68px; }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100vh;
        background: linear-gradient(160deg,
            rgba(15, 23, 42, 0.95) 0%,
            rgba(30, 64, 175, 0.88) 45%,
            rgba(6, 182, 212, 0.82) 100%);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        gap: 0;
        padding: 80px 0 40px;
        margin: 0;
        transform: translateX(-100%);
        transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
        overflow-y: auto;
        z-index: 999;
        box-shadow: 4px 0 24px rgba(15, 23, 42, 0.35);
    }
    .nav-links.open { transform: translateX(0); }
    .nav-links a {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        padding: 18px 30px;
        font-size: 16px;
        font-weight: 600;
        color: #e2e8f0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        box-sizing: border-box;
        transition: all 0.25s ease;
    }
    .nav-links a::after { display: none; }
    .nav-links a:hover,
    .nav-links a:active {
        background: rgba(59, 130, 246, 0.18);
        color: #fff;
        padding-left: 36px;
    }
    .nav-links a.has-dropdown::before {
        content: '▾';
        order: 2;
        font-size: 12px;
        color: #94a3b8;
        margin-left: auto;
    }

    .nav-right .nav-btn { display: none; }
    .nav-right { gap: 10px; }
    .lang-current { padding: 6px 10px; font-size: 13px; }
    .lang-current img { width: 18px; height: 14px; }

    .hero-text h1 { font-size: 32px; }
    .stats-grid, .app-grid, .cert-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .news-list-grid { grid-template-columns: 1fr; }
    .detail-wrap { grid-template-columns: 1fr; }
    .product-grid-4 { grid-template-columns: 1fr; }
    .contact-cards { grid-template-columns: 1fr; }
    .detail-nav { grid-template-columns: 1fr; gap: 20px; }
    .detail-nav-item:nth-child(2) { text-align: left; }
    .about-banner-mask h1 { font-size: 28px; }
    .about-content h2 { font-size: 20px; }
    .message-info-card, .message-form-wrap { padding: 25px; }
    .contact-side-card, .contact-form-wrap { padding: 25px; }
    .container { padding: 0 20px; }
    .top-banner-swiper { height: 120px; }
    .top-banner-prev, .top-banner-next { width: 32px; height: 32px; font-size: 18px; }
    .product-grid-3 { grid-template-columns: 1fr; }
    .banner-strip { height: 120px; }
    
    .float-toolbar {
        display: none !important;
    }
}

@media (max-width: 480px) {
    .logo { font-size: 18px; }
    .nav-inner { padding: 10px 15px; }
    .container { padding: 0 15px; }
    .section { padding: 50px 15px; }
    .hero { padding: 50px 5%; }
    .page-header { padding: 100px 5% 50px; }
    .page-header h1 { font-size: 28px; }
}
/* ==================== 产品分类树 ==================== */
.sidebar-category {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}
.sidebar-title {
    background: #1e40af;
    color: #fff;
    font-size: 16px;
    padding: 16px 20px;
    font-weight: 700;
    margin: 0;
    letter-spacing: 0.5px;
}

.category-tree {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* 一级分类行 */
.cat-level-0 {
    border-bottom: 1px solid #f1f5f9;
}
.cat-level-0:last-child {
    border-bottom: none;
}

.cat-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fff;
    transition: background 0.2s;
}
.cat-row:hover {
    background: #eff6ff;
}

/* 分类链接 */
.cat-link {
    flex: 1;
    padding: 14px 20px;
    color: #0f172a;           /* 深色，清晰可见 */
    font-size: 14px;
    font-weight: 600;
    display: block;
    text-decoration: none;
    transition: color 0.2s;
    line-height: 1.4;
}
.cat-link:hover {
    color: #1e40af;
}

/* 展开/收起图标 */
.cat-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    margin-right: 12px;
    background: #eff6ff;
    border: 1px solid #dbeafe;
    border-radius: 50%;
    cursor: pointer;
    color: #1e40af;
    font-size: 14px;
    font-weight: 700;
    transition: all 0.28s ease;
    user-select: none;
    flex-shrink: 0;
}
.cat-toggle:hover {
    background: #1e40af;
    border-color: #1e40af;
    color: #fff;
    transform: scale(1.08);
    box-shadow: 0 4px 12px -4px rgba(30, 64, 175, 0.5);
}
.cat-toggle.expanded i {
    transform: rotate(45deg);   /* + 旋转成 × */
}
.cat-toggle.expanded {
    background: #1e40af;
    border-color: #1e40af;
    color: #fff;
}
/* 子分类列表 */
.sub-category {
    list-style: none;
    padding: 0;
    margin: 0;
    background: #f8fafc;
    display: none;
}
.sub-category.show {
    display: block;
}
.sub-category .cat-level-1 {
    border-bottom: 1px solid #f1f5f9;
}
.sub-category .cat-level-1:last-child {
    border-bottom: none;
}
.sub-category .cat-level-1 a {
    display: block;
    padding: 11px 20px 11px 40px;
    color: #475569;            /* 比一级分类浅，但清晰 */
    font-size: 13px;
    text-decoration: none;
    transition: all 0.2s;
    position: relative;
}
.sub-category .cat-level-1 a::before {
    content: '·';
    position: absolute;
    left: 22px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 16px;
    font-weight: bold;
}
.sub-category .cat-level-1 a:hover {
    background: #eff6ff;
    color: #1e40af;
    padding-left: 44px;
}
.cat-toggle .plus {
    font-size: 18px;
    font-weight: 300;
    line-height: 1;
    transition: transform 0.3s ease;
    display: inline-block;
}
.cat-toggle.expanded .plus {
    transform: rotate(45deg);
}
.sidebar-footer {
    margin-top: auto;            /* ← 关键：推到最底部 */
    padding: 20px;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: #fff;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.sidebar-footer-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 6px;
}
.sidebar-footer-desc {
    font-size: 12px;
    color: #dbeafe;
    margin-bottom: 15px;
    line-height: 1.6;
}
.sidebar-footer-btn {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    color: #fff;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,0.25);
}
.sidebar-footer-btn:hover {
    background: #fff;
    color: #1e40af;
}
.sidebar-hot {
    padding: 15px;
    border-top: 1px solid #f1f5f9;
}
.sidebar-hot {
    padding: 15px;
    border-top: 1px solid #f1f5f9;
}
.sidebar-hot-title {
    font-size: 14px;
    color: #ffffff;
    font-weight: 700;
    margin-bottom: 12px;
    padding: 10px 14px;
    background: #1e40af;
    border-left: 3px solid #1e40af;
    border-radius: 6px;
    line-height: 1.4;
}
.hot-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.hot-list li {
    margin-bottom: 12px;
}
.hot-list li a {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s;
}
.hot-list li a:hover {
    background: #eff6ff;
}
.hot-list li img {
    width: 50px;
    height: 50px;
    border-radius: 6px;
    object-fit: cover;
    flex-shrink: 0;
}
.hot-list .hot-title {
    font-size: 13px;
    color: #1e293b;
    font-weight: 600;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.hot-list .hot-price {
    display: inline-block;
    font-size: 11px;
    color: #1e40af;
    margin-top: 6px;
    padding: 3px 10px;
    background: #eff6ff;
    border: 1px solid #dbeafe;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.25s ease;
    line-height: 1.4;
}
.hot-list li a:hover .hot-price {
    background: #1e40af;
    color: #fff;
    border-color: #1e40af;
    transform: translateX(2px);
    box-shadow: 0 4px 10px -4px rgba(30, 64, 175, 0.5);
}
/* 轮播容器 */
.banner-area,
.banner-strip,
.bannerProducts-strip {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    background: #f1f5f9;
    min-height: 160px;
}

.swiper-banner {
    position: relative;
    width: 100%;
    height: 100%;
}

/* 所有图片默认隐藏，绝对定位 */
.banner-item {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s;
}

/* 激活的图片淡入显示 */
.banner-item.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.banner-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 指示点 */
/* 指示点容器 */
.banner-dots {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 20px;
    display: flex;
    gap: 12px;
    z-index: 10;
    justify-content: center;
}

/* 单个点 —— 加大 */
.banner-dots .dot {
    width: 26px;                    /* ← 从 10px 加大到 16px */
    height: 26px;
    background: rgba(255, 255, 255, 0.6);
    border: 2px solid rgba(255, 255, 255, 0.85);   /* ← 加白色描边，更醒目 */
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);       /* ← 加阴影，浮起来 */
}

.banner-dots .dot:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: scale(1.15);
}

/* 激活点 —— 拉长成胶囊 */
.banner-dots .dot.active {
    background: #ffffff;
    width: 40px;                    /* ← 从 24px 加大到 40px */
    border-radius: 10px;
    border-color: #ffffff;
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.6);
}
/* 面包屑 */
.breadcrumb-wrap {
    background: #f6f9fe;
    border-bottom: 1px solid #eef2f7;
    padding: 14px 0;
}
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: #64748b;
    list-style: none;
    padding: 0;
    margin: 0;
}
.breadcrumb li {
    display: flex;
    align-items: center;
    gap: 8px;
}
.breadcrumb li::after {
    content: '›';
    color: #cbd5e1;
    font-size: 16px;
    margin-left: 8px;
}
.breadcrumb li:last-child::after {
    display: none;
}
.breadcrumb a {
    color: #64748b;
    transition: color 0.25s ease;
}
.breadcrumb a:hover {
    color: #1e40af;
}
.breadcrumb .current {
    color: #1e40af;
    font-weight: 700;
}
/* 主图容器 */
.main-image-wrap {
    position: relative;
    width: 100%;
    min-height: 400px;
    max-height: 600px;
    background: #f8fafc;
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-image-wrap #mainImage {
    max-width: 100%;
    max-height: 600px;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    border-radius: 12px;
}

/* 箭头 */
.img-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid #e2e8f0;
    color: #1e40af;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.28s ease;
    z-index: 10;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.18);
}

.main-image-wrap:hover .img-arrow {
    opacity: 1;
}

.img-arrow:hover {
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: #fff;
    border-color: transparent;
    transform: translateY(-50%) scale(1.1);
}

.img-arrow-prev { left: 16px; }
.img-arrow-next { right: 16px; }

/* 缩略图 */
.thumb-list {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
    justify-content: flex-start;
}

/* 移动端 */
@media (max-width: 992px) {
    .main-image-wrap {
        min-height: 280px;
        max-height: 400px;
    }
    .main-image-wrap #mainImage {
        max-height: 400px;
    }
    .img-arrow {
        opacity: 1;
        width: 42px;
        height: 42px;
    }
    .img-arrow-prev { left: 8px; }
    .img-arrow-next { right: 8px; }
}
/* ============ 业务联系人 ============ */
.sales-contacts {
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px dashed rgba(255, 255, 255, 0.15);
}

.sales-title {
    font-size: 15px;
    color: #fff;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}

.sales-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.sales-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    padding: 16px 18px;
    transition: all 0.28s ease;
    backdrop-filter: blur(4px);
}

.sales-card:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.4);
    transform: translateY(-3px);
    box-shadow: 0 10px 24px -10px rgba(30, 64, 175, 0.5);
}

.sales-name {
    font-size: 15px;
    color: #fff;
    font-weight: 700;
    margin-bottom: 4px;
}

.sales-role {
    font-size: 11px;
    color: #93c5fd;
    margin-bottom: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.sales-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sales-card ul li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 12.5px;
    color: #cbd5e1;
    line-height: 1.7;
    margin-bottom: 6px;
    word-break: break-all;
}

.sales-card ul li:last-child {
    margin-bottom: 0;
}

.sales-card ul li .label {
    display: inline-block;
    min-width: 55px;
    color: #94a3b8;
    flex-shrink: 0;
    font-size: 11.5px;
}

.sales-card ul li a {
    color: #bfdbfe;
    text-decoration: none;
    transition: color 0.2s;
}

.sales-card ul li a:hover {
    color: #fff;
    text-decoration: underline;
}
/* ============ 联系页 / 留言页 浅色背景下的业务联系人 ============ */

/* 浅色卡片里的 sales-contacts */
.message-info-card .sales-contacts,
.contact-side-card .sales-contacts {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px dashed #e2e8f0;
}

.message-info-card .sales-title,
.contact-side-card .sales-title {
    font-size: 15px;
    color: #0f172a;
    font-weight: 700;
    margin-bottom: 15px;
}

.message-info-card .sales-grid,
.contact-side-card .sales-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.message-info-card .sales-card,
.contact-side-card .sales-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 14px 16px;
    transition: all 0.28s ease;
}

.message-info-card .sales-card:hover,
.contact-side-card .sales-card:hover {
    background: #eff6ff;
    border-color: #bfdbfe;
    transform: translateY(-3px);
    box-shadow: 0 10px 24px -12px rgba(30, 64, 175, 0.2);
}

.message-info-card .sales-name,
.contact-side-card .sales-name {
    font-size: 14px;
    color: #0f172a;
    font-weight: 700;
    margin-bottom: 4px;
}

.message-info-card .sales-role,
.contact-side-card .sales-role {
    font-size: 11px;
    color: #1e40af;
    margin-bottom: 10px;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.message-info-card .sales-card ul,
.contact-side-card .sales-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.message-info-card .sales-card ul li,
.contact-side-card .sales-card ul li {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    font-size: 12px;
    color: #475569;
    line-height: 1.6;
    margin-bottom: 5px;
    word-break: break-all;
}

.message-info-card .sales-card ul li:last-child,
.contact-side-card .sales-card ul li:last-child {
    margin-bottom: 0;
}

.message-info-card .sales-card ul li .label,
.contact-side-card .sales-card ul li .label {
    display: inline-block;
    width: 60px;                /* ← 固定宽度，但改小一点 */
    color: #94a3b8;
    flex-shrink: 0;
    font-size: 11.5px;
    text-align: right;          /* ← 右对齐，跟值贴近 */
    padding-right: 0px;         /* ← label 和值之间留 6px */
}

.message-info-card .sales-card ul li a,
.contact-side-card .sales-card ul li a {
    color: #1e40af;
    text-decoration: none;
    transition: color 0.2s;
}

.message-info-card .sales-card ul li a:hover,
.contact-side-card .sales-card ul li a:hover {
    color: #1e3a8a;
    text-decoration: underline;
}
/* ============ 新闻相册 ============ */
.news-gallery {
    margin: 40px 0;
    padding-top: 30px;
    border-top: 1px solid #e2e8f0;
}

.gallery-title {
    font-size: 18px;
    color: #0f172a;
    font-weight: 700;
    margin-bottom: 20px;
    padding-left: 14px;
    border-left: 4px solid #1e40af;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.gallery-item {
    border-radius: 10px;
    overflow: hidden;
    background: #f1f5f9;
    cursor: pointer;
    transition: all 0.3s ease;
    aspect-ratio: 4 / 3;
}

.gallery-item:hover {
    transform: scale(1.03);
    box-shadow: 0 12px 30px -12px rgba(30, 64, 175, 0.3);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 灯箱 */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.lightbox.show {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #fff;
    font-size: 40px;
    cursor: pointer;
    line-height: 1;
}

.lightbox-close:hover {
    opacity: 0.7;
}

/* 灯箱箭头 */
.lightbox-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.28s ease;
    backdrop-filter: blur(6px);
    z-index: 10;
    padding: 0;
    outline: none;
}

.lightbox-arrow:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.lightbox-prev {
    left: 30px;
}

.lightbox-next {
    right: 30px;
}

/* 移动端箭头小一点 */
@media (max-width: 768px) {
    .lightbox-arrow {
        width: 44px;
        height: 44px;
        font-size: 20px;
    }
    .lightbox-prev { left: 15px; }
    .lightbox-next { right: 15px; }
    .lightbox-close {
        font-size: 32px;
        top: 15px;
        right: 20px;
    }
}
/* 业务联系人标题 */
.message-info-card .sales-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: #0f172a;
    font-weight: 700;
    margin-bottom: 15px;
}

.message-info-card .sales-title-icon {
    font-size: 18px;
}

/* 业务员卡片 */
.message-info-card .sales-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 14px 16px;
    transition: all 0.28s ease;
}

.message-info-card .sales-card:hover {
    background: #eff6ff;
    border-color: #bfdbfe;
    transform: translateY(-3px);
    box-shadow: 0 10px 24px -12px rgba(30, 64, 175, 0.2);
}

/* 业务员名字 */
.message-info-card .sales-name {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: #0f172a;
    font-weight: 700;
    margin-bottom: 4px;
}

.message-info-card .sales-avatar {
    font-size: 16px;
    line-height: 1;
}

/* 职位 */
.message-info-card .sales-role {
    font-size: 11px;
    color: #1e40af;
    margin-bottom: 10px;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

/* 每行 */
.message-info-card .sales-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.message-info-card .sales-card ul li {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    font-size: 12px;
    color: #475569;
    line-height: 1.6;
    margin-bottom: 6px;
    word-break: break-word;
}

.message-info-card .sales-card ul li:last-child {
    margin-bottom: 0;
}

.message-info-card .sales-card ul li .label {
    display: inline-flex;
    align-items: center;
    min-width: 75px;
    color: #64748b;
    flex-shrink: 0;
    font-size: 11.5px;
    gap: 3px;
}

.message-info-card .sales-card ul li a {
    color: #1e40af;
    text-decoration: none;
    transition: color 0.2s;
    word-break: break-all;
}

.message-info-card .sales-card ul li a:hover {
    color: #1e3a8a;
    text-decoration: underline;
}
/* ============ 轮播左右箭头 ============ */
.banner-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(0, 0, 0, 0.08);
    color: #0f172a;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.28s ease;
    z-index: 10;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
    outline: none;
    padding: 0;
    user-select: none;
}

/* 鼠标悬停轮播区域时，箭头出现 */
.banner-strip:hover .banner-arrow,
.bannerProducts-strip:hover .banner-arrow {
    opacity: 1;
    visibility: visible;
}

.banner-arrow:hover {
    background: #1e40af;
    color: #fff;
    border-color: #1e40af;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(30, 64, 175, 0.4);
}

.banner-prev {
    left: 16px;
}

.banner-next {
    right: 16px;
}

/* 移动端：箭头小一点，一直显示 */
@media (max-width: 768px) {
    .banner-arrow {
        width: 38px;
        height: 38px;
        font-size: 16px;
        opacity: 1;
        visibility: visible;
        background: rgba(255, 255, 255, 0.75);
    }
    .banner-prev { left: 8px; }
    .banner-next { right: 8px; }
}
/* ============ 移动端底部社交栏（强制覆盖） ============ */
.social-bar {
    display: none !important;
    justify-content: space-around !important;
    align-items: center !important;
    background: linear-gradient(135deg, #0f172a, #1e293b) !important;
    padding: 12px 0 !important;
    border-top: 1px solid #1e293b !important;
    width: 100% !important;
    position: relative !important;
    z-index: 10 !important;
    box-shadow: 0 -4px 20px -8px rgba(15, 23, 42, 0.4) !important;
}

body.is-mobile .social-bar {
    display: flex !important;
}

body.is-pc .social-bar {
    display: none !important;
}

body.is-mobile {
    padding-bottom: 0 !important;
}

/* ★★★ 每个社交项加大 */
.social-item {
    flex: 1 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    color: #cbd5e1 !important;
    font-size: 34px !important;
    font-weight: 500 !important;
    padding: 12px 0 !important;
    transition: color 0.28s ease !important;
    text-decoration: none !important;
    line-height: 1.2 !important;
}

.social-item svg {
    width: 92px !important;
    height: 92px !important;
    transition: transform 0.28s ease !important;
    flex-shrink: 0 !important;
}

/* 品牌色 */
.social-item.youtube svg   { color: #ff0000 !important; }
.social-item.facebook svg  { color: #1877f2 !important; }
.social-item.whatsapp svg  { color: #25d366 !important; }
.social-item.instagram svg { color: #e4405f !important; }
.social-item.linkedin svg  { color: #0a66c2 !important; }
.social-item.tiktok svg    { color: #ffffff !important; }

.social-item:hover {
    color: #fff !important;
}
.social-item:hover svg {
    transform: translateY(-3px) scale(1.1) !important;
}
/* ============ 移动端底部社交栏（固定悬浮） ============ */
.social-bar {
    display: none !important;
    justify-content: space-around !important;
    align-items: center !important;
    background: linear-gradient(135deg, #0f172a, #1e293b) !important;
    padding: 10px 0 calc(10px + env(safe-area-inset-bottom, 0px)) !important;
    border-top: 1px solid #1e293b !important;
    width: 100% !important;
    
    /* ★★★ 关键：固定在屏幕底部 */
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    
    z-index: 9999 !important;
    box-shadow: 0 -4px 20px -8px rgba(15, 23, 42, 0.5) !important;
}

body.is-mobile .social-bar {
    display: flex !important;
}

body.is-pc .social-bar {
    display: none !important;
}

/* ★★★ 页面底部留出空间，避免内容被底栏遮挡 */
body.is-mobile {
    padding-bottom: 80px !important;
}

/* 每个社交项 */
.social-item {
    flex: 1 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 6px !important;
    color: #cbd5e1 !important;
    font-size: 43px !important;
    font-weight: 500 !important;
    padding: 8px 0 !important;
    transition: color 0.28s ease !important;
    text-decoration: none !important;
    line-height: 1.2 !important;
}

.social-item svg {
    width: 88px !important;
    height: 88px !important;
    transition: transform 0.28s ease !important;
    flex-shrink: 0 !important;
}

/* 品牌色 */
.social-item.youtube svg   { color: #ff0000 !important; }
.social-item.facebook svg  { color: #1877f2 !important; }
.social-item.whatsapp svg  { color: #25d366 !important; }
.social-item.instagram svg { color: #e4405f !important; }
.social-item.linkedin svg  { color: #0a66c2 !important; }
.social-item.tiktok svg    { color: #ffffff !important; }

.social-item:hover {
    color: #fff !important;
}
.social-item:hover svg {
    transform: translateY(-3px) scale(1.1) !important;
}
/*body.is-mobile footer {*/
/*    padding-bottom: 500px !important;*/
/*}*/