* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", "SimHei", sans-serif;
        }

        :root {
            --primary-blue: #0056b3;
            --secondary-blue: #007BFF;
            --light-blue: #E6F2FF;
            --accent-orange: #FF6B35;
            --text-dark: #333;
            --text-light: #666;
            --white: #fff;
            --gray-bg: #f5f7fa;
            --border-color: #e0e6ed;
        }

        body {
            color: var(--text-dark);
            line-height: 1.6;
            background-color: var(--white);
            padding-top: 90px;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1216px;
            margin: 0 auto;
            padding: 0 15px;
        }

        /* 顶部导航栏 */
        .header {
            background-color: var(--white);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }

        #toubiao td {
            font-size: 13px;
        }

        .t_hr {
            background: var(--primary-blue);
            height: 5px;
        }

        .top-bar {
            padding: 8px 0;
            font-size: 12px;
        }

        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
        }

        .logo img {
            height: 65px;
            margin-right: 10px;
            background: white;
            padding: 5px;
            border-radius: 4px;
        }

        .logo-text {
            font-size: 18px;
            font-weight: bold;
        }

        .contact-info {
            font-size: 15px;
            align-items: center;
        }

        .contact-info span {
            margin-left: 15px;
            display: flex;
            align-items: center;
        }

        .h_text p {
            text-align: right;
        }

        .main-nav {
            padding: 10px 0;
            background-color: rgba(245, 245, 245, 1);
        }

        .nav-list {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-item {
            margin: 5px 30px;
        }

        .nav-link {
            color: var(--text-dark);
            font-weight: 500;
            padding: 5px 10px;
            border-radius: 4px;
            transition: all 0.3s ease;
        }

        .nav-link:hover,
        .nav-link.active {
            color: #fff;
            background-color: var(--primary-blue);
        }

        /* 页脚 */
        .footer {
            background-color: var(--primary-blue);
            color: var(--white);
            padding: 40px 0 20px;
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 40px;
            padding-bottom: 30px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
        }

        .footer-logo img {
            height: 60px;
            margin-right: 15px;
            background: no-repeat;
            padding: 5px;
            border-radius: 4px;
        }

        .footer-contact {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-contact div {
            white-space: nowrap;
        }

        .footer-contact p {
            margin: 5px 0;
            font-size: 14px;
        }

        .footer-contact .phone {
            font-size: 18px;
            font-weight: bold;
            color: var(--accent-orange);
        }

        .footer-middle {
            display: flex;
            justify-content: space-between;
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 30px;
        }

        .footer-contact-info {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
        }

        .contact-method {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .contact-icon {
            width: 40px;
            height: 40px;
            background-color: var(--accent-orange);
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 18px;
        }

        .footer-links {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .footer-column h4 {
            margin-bottom: 20px;
            font-size: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-column h4::after {
            content: '';
            display: block;
            width: 40px;
            height: 2px;
            background-color: var(--accent-orange);
            margin-top: 5px;
        }

        .footer-column ul li {
            margin-bottom: 10px;
        }

        .footer-column ul li a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .footer-column ul li a:hover {
            color: var(--white);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* 右下角悬浮按钮 */
        .floating-buttons {
            position: fixed;
            right: 80px;
            bottom: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 999;
        }

        .floating-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--secondary-blue);
            color: var(--white);
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 12px;
            cursor: pointer;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            transition: all 0.3s ease;
            border: none;
        }

        .floating-btn:hover {
            transform: translateY(-5px);
            background-color: var(--primary-blue);
        }