/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基础样式 */
body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #007bff;
    color: white;
}

.btn-primary:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: #007bff;
border: 2px solid #007bff;
}
.btn-secondary:hover {
    background-color: #007bff;
    color: white;
}

/* 导航栏 */
.navbar {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.navbar .logo h1 {
    font-size: 24px;
    color: #007bff;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #007bff;
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.navbar .logo h1 {
    font-size: 24px;
    color: #007bff;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #007bff;
}

/* 英雄区 */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 150px 0 100px;
    text-align: center;
}

.hero h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* 通用区块样式 */
section {
    padding: 100px 0;
}

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

.section-title h2 {
    font-size: 36px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 10px;
}

.section-title p {
    font-size: 18px;
    color: #718096;
}

/* 功能介绍 */
.features {
    background-color: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: #f8f9fa;
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: #007bff;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
    font-size: 32px;
    color: white;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #2d3748;
}

.feature-card p {
    color: #718096;
    line-height: 1.7;
}

/* 关于我们 */
.about {
    background-color: #f8f9fa;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #2d3748;
}

.about-text p {
    font-size: 16px;
    color: #718096;
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
padding: 15px;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* 页脚 */
.footer {
    background-color: #2d3748;
    color: white;
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
margin-bottom: 40px;
}

.footer-logo h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #007bff;
}

.footer-logo p {
    color: #a0aec0;
    line-height: 1.6;
}

.footer-links h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: white;
}

.footer-links ul {
    list-style: none;
}

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

.footer-links a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #007bff;
}

.footer-social h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: white;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    background-color: #4a5568;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background-color: #007bff;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #4a5568;
    color: #a0aec0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 20px;
    }

    .nav-menu {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .hero h2 {
        font-size: 36px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .contact-info {
        order: 2;
    }

    .contact-form {
        order: 1;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-icons {
        justify-content: center;
    }
}

/* 轮播图样式 */
.carousel-section {
    padding: 40px 0;
    background-color: #f8f9fa;
}

.carousel-container {
    position: relative;
    max-width: 100%;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.carousel-slides {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel-slide {
    min-width: 100%;
    position: relative;
}

.carousel-slide img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.carousel-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    padding: 60px 40px 40px;
}

.carousel-caption h3 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.carousel-caption p {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto;
}

.carousel-prev,
.carousel-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.8);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.carousel-prev:hover,
.carousel-next:hover {
    background-color: rgba(255, 255, 255, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.carousel-prev {
    left: 20px;
}

.carousel-next {
    right: 20px;
}

.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid white;
    background-color: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background-color: white;
    transform: scale(1.2);
}

/* 响应式轮播图 */
@media (max-width: 768px) {
    .carousel-section {
        padding: 20px 0;
    }
    
    .carousel-slide img {
        height: 300px;
    }
    
    .carousel-caption {
        padding: 40px 20px 20px;
    }
    
    .carousel-caption h3 {
        font-size: 1.8rem;
    }
    
    .carousel-caption p {
        font-size: 0.9rem;
    }
    
    .carousel-prev,
    .carousel-next {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .carousel-prev {
        left: 10px;
    }
    
    .carousel-next {
        right: 10px;
    }
}

/* 下拉菜单基础样式 */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: block;
    /* 移除以下行的padding */
    /* padding: 10px 0; */
    cursor: pointer;
}

/* 手表支持下拉菜单专用样式 */
.watch-support-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    padding: 0;
    width: 600px;
    z-index: 1001;
    overflow: hidden;
}

.dropdown:hover .watch-support-menu {
    display: flex;
}

.watch-brands, .watch-models {
    padding: 20px;
    min-height: 300px;
}

.watch-brands {
    width: 35%;
    background-color: #f8f9fa;
    border-right: 1px solid #e2e8f0;
}

.watch-models {
    width: 65%;
}

.watch-brands h4, .watch-models h4 {
    font-size: 16px;
    font-weight: 600;
    color: #007bff;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid #007bff;
}

.watch-brands ul {
    list-style: none;
}

.watch-brands ul li {
    margin-bottom: 10px;
}

.watch-brands ul li a {
    color: #333;
    text-decoration: none;
    display: block;
    padding: 8px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.watch-brands ul li a:hover, .watch-brands ul li a.active {
    background-color: #007bff;
    color: white;
}

.model-list {
    display: none;
}

.model-list.active {
    display: block;
}

.model-list ul {
    list-style: none;
    max-height: 250px;
    overflow-y: auto;
}

.model-list ul li {
    padding: 8px 0;
    color: #333;
    font-size: 14px;
    border-bottom: 1px solid #f0f0f0;
}

.model-list ul li:last-child {
    border-bottom: none;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .watch-support-menu {
        width: 100%;
        position: static;
        flex-direction: column;
        box-shadow: none;
    }
    
    .watch-brands, .watch-models {
        width: 100%;
        border-right: none;
    }
}
/* 在原有的.watch-support-menu样式中添加 */
.watch-support-menu.active {
    display: flex;
}

/* 确保在移动端也能正常工作 */
@media (max-width: 768px) {
    .watch-support-menu.active {
        display: flex;
    }
}