/* 全局样式 */
:root {
    --primary-color: #000000;
    --secondary-color: #e74c3c;
    --text-color: #333333;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --dark-gray: #222222;
}

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

body {
    background-color: var(--light-gray);
    color: var(--text-color);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: var(--secondary-color);
    transition: color 0.3s;
}

a:hover {
    color: var(--primary-color);
}

ul,li{
    padding: 0;
    margin: 0;
    list-style: none;
}

.container {
    width: 94%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 0;
}

/* 头部样式 */
header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 36px;
    font-weight: bold;
    color: var(--white);
    margin-bottom: 20px;
}

.logo span {
    color: var(--secondary-color);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li a {
    color: var(--white);
    font-weight: 500;
    padding: 0 25px;
}

nav ul li a:hover {
    color: var(--secondary-color);
}

/* 搜索框样式 */
.search-container {
    margin: 15px 0;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 12px 20px;
    border: 2px solid #ddd;
    border-radius: 30px;
    font-size: 16px;
    outline: none;
    transition: all 0.3s;
}

.search-input:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 8px rgba(231, 76, 60, 0.2);
}

.search-btn {
    position: absolute;
    right: 5px;
    top: 4px;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 25px;
    padding: 9px 30px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-size: 16px;
}

.search-btn:hover {
    background-color: #c0392b;
}

/* 列表页样式 */
.list-title {
    text-align: center;
    margin: 30px 0;
    color: var(--primary-color);
    position: relative;
}

.list-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background-color: var(--secondary-color);
    margin: 15px auto;
}

.client-list {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
    margin-bottom: 15px;
}

.client-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.client-image {
    position: relative;
    padding-top: 150%; /* 2:3 比例 */
    overflow: hidden;
}

.client-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.client-card:hover .client-image img {
    transform: scale(1.05);
}

.client-info {
    padding: 10px 15px;
}

.client-info h3 {
    color: var(--primary-color);
    font-size: 15px;
}

.client-date {
    color: #777;
    font-size: 14px;
}

/* 详情页样式 */
.detail-header {
    text-align: center;
    margin-bottom: 25px;
    padding-top: 10px;
}

.detail-title {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.detail-subtitle {
    color: var(--secondary-color);
    font-size: 18px;
    margin-bottom: 20px;
}

.detail-content {
    background-color: var(--white);
    border-radius: 8px;
    padding: 1px 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.section-title {
    color: var(--primary-color);
    margin: 20px 0 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--secondary-color);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.info-item {
    display: flex;
}

.info-label {
    font-weight: bold;
    min-width: 100px;
    color: var(--primary-color);
}

.info-value {
    color: var(--text-color);
}

.contact-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin: 20px 0;
}

.contact-item {
    background-color: var(--light-gray);
    padding: 10px 15px;
    border-radius: 5px;
    display: flex;
    align-items: center;
}

.contact-icon {
    margin-right: 8px;
    color: var(--secondary-color);
}

.media-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.media-item {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.media-item img {
    width: 100%;
    height: auto;
    display: block;
}

.video-container{
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
    margin: 20px 0;
}
.video-thumbnail {
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 4;
    margin-bottom: 10px;
}

.video-thumbnail video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 页脚样式 */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 20px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width:992px) {
    .client-list {
        grid-template-columns: repeat(2, 1fr);
    }

}

@media (max-width:768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }

    nav ul {
        margin-top: 15px;
        justify-content: center;
    }
    .info-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
    }

    .copyright {
        margin-top: 10px;
    }
}

/* 实用类 */
.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

.red-text {
    color: var(--secondary-color);
}

.black-text {
    color: var(--primary-color);
}