/* 公共CSS部分 - 导航与底部 */
        :root {
            --primary-color: #0f2b5b;
            --secondary-color: #d4af37;
            --accent-color: #1e4a8a;
            --light-color: #f8f9fa;
            --dark-color: #1a1a2e;
            --text-color: #333;
            --text-light: #6c757d;
            --border-color: #dee2e6;
            --shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
            --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            --gradient: linear-gradient(135deg, var(--primary-color), var(--accent-color));
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            color: var(--text-color);
            line-height: 1.6;
            overflow-x: hidden;
            background: #f9fbfd;
        }

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

        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        .section {
            padding: 100px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }

        .section-title h2 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
            font-weight: 700;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: var(--gradient);
            border-radius: 2px;
        }

        .section-title p {
            color: var(--text-light);
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.8;
        }

        .btn {
            display: inline-block;
            padding: 14px 32px;
            background: var(--gradient);
            color: white;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            box-shadow: 0 4px 15px rgba(15, 43, 91, 0.2);
            position: relative;
            overflow: hidden;
        }

        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: 0.5s;
        }

        .btn:hover::before {
            left: 100%;
        }

        .btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(15, 43, 91, 0.3);
        }

        .btn-secondary {
            background: var(--secondary-color);
            color: var(--dark-color);
            box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
        }

        .btn-secondary:hover {
            background: #c19d2e;
            box-shadow: 0 10px 25px rgba(193, 157, 46, 0.4);
        }

        /* 导航栏样式 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            z-index: 1000;
            transition: var(--transition);
        }

        header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color);
            animation: logoGradient 8s infinite alternate;
            text-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }

        @keyframes logoGradient {
            0% {
                color: var(--primary-color);
                transform: scale(1);
            }
            25% {
                color: var(--accent-color);
            }
            50% {
                color: #2c5282;
                transform: scale(1.02);
            }
            75% {
                color: #1e4a8a;
            }
            100% {
                color: var(--secondary-color);
                transform: scale(1);
            }
        }

        .logo i {
            margin-right: 12px;
            font-size: 2.2rem;
            animation: logoSpin 15s infinite linear;
        }

        @keyframes logoSpin {
            0% {
                transform: rotate(0deg);
            }
            100% {
                transform: rotate(360deg);
            }
        }

        .nav-menu {
            display: flex;
        }

        .nav-menu li {
            margin-left: 35px;
            position: relative;
        }

        .nav-menu a {
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            position: relative;
            padding: 8px 0;
        }

        .nav-menu a:hover {
            color: var(--secondary-color);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--gradient);
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-menu a:hover::after {
            width: 100%;
        }

        .phone-number {
            display: flex;
            align-items: center;
            background: var(--gradient);
            color: white;
            padding: 10px 20px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(15, 43, 91, 0.2);
            animation: phonePulse 2s infinite;
        }

        @keyframes phonePulse {
            0% {
                box-shadow: 0 4px 12px rgba(15, 43, 91, 0.2);
            }
            50% {
                box-shadow: 0 4px 20px rgba(15, 43, 91, 0.4);
            }
            100% {
                box-shadow: 0 4px 12px rgba(15, 43, 91, 0.2);
            }
        }

        .phone-number:hover {
            transform: scale(1.05);
        }

        .phone-number i {
            margin-right: 8px;
        }

        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 1.5rem;
            color: var(--primary-color);
        }

        /* 底部样式 */
        footer {
            background: var(--dark-color);
            color: white;
            padding: 80px 0 20px;
            position: relative;
            overflow: hidden;
        }

        footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--gradient);
        }

        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            margin-bottom: 50px;
        }

        .footer-column {
            flex: 1;
            min-width: 250px;
            margin-bottom: 30px;
            padding: 0 15px;
        }

        .footer-column h3 {
            font-size: 1.4rem;
            margin-bottom: 25px;
            color: var(--secondary-color);
            position: relative;
            padding-bottom: 12px;
        }

        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--secondary-color);
            border-radius: 2px;
        }

        .footer-links li {
            margin-bottom: 15px;
            position: relative;
            padding-left: 15px;
        }

        .footer-links li::before {
            content: '›';
            position: absolute;
            left: 0;
            color: var(--secondary-color);
        }

        .footer-links a {
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }

        .contact-info li {
            display: flex;
            align-items: flex-start;
            margin-bottom: 18px;
        }

        .contact-info i {
            margin-right: 12px;
            color: var(--secondary-color);
            margin-top: 5px;
            font-size: 1.1rem;
        }

        .qrcode {
            text-align: center;
        }

        .qrcode img {
            width: 140px;
            height: 140px;
            margin-bottom: 15px;
            border-radius: 10px;
            background: white;
            padding: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: var(--transition);
        }

        .qrcode img:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }

        .friend-links {
            background: rgba(255, 255, 255, 0.1);
            padding: 25px 0;
            margin-top: 30px;
            border-radius: 10px;
        }

        .friend-links h4 {
            text-align: center;
            margin-bottom: 20px;
            color: var(--secondary-color);
            font-size: 1.3rem;
        }

        .friend-links ul {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
        }

        .friend-links li {
            margin: 0 12px 12px;
            position: relative;
        }

        .friend-links li:not(:last-child)::after {
            content: '|';
            position: absolute;
            right: -15px;
            color: rgba(255,255,255,0.3);
        }

        .friend-links a {
            transition: var(--transition);
        }

        .friend-links a:hover {
            color: var(--secondary-color);
        }

        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* 响应式设计 */
        @media (max-width: 992px) {
            .nav-menu {
                position: fixed;
                top: 80px;
                right: -100%;
                width: 80%;
                height: calc(100vh - 80px);
                background: white;
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 60px;
                transition: var(--transition);
                box-shadow: -5px 0 25px rgba(0, 0, 0, 0.1);
                border-radius: 10px 0 0 10px;
            }

            .nav-menu.active {
                right: 0;
            }

            .nav-menu li {
                margin: 0 0 35px;
            }

            .hamburger {
                display: block;
            }

            .phone-number {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 80px 0;
            }

            .section-title h2 {
                font-size: 2.3rem;
            }
        }