/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a73e8;
    --secondary-color: #34a853;
    --text-color: #202124;
    --light-gray: #f8f9fa;
    --border-color: #e8eaed;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-gray);
    min-height: 100vh;
}

/* 基础容器样式 */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* 头部样式 */
header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.logo-container {
    display: flex;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.logo {
    height: 60px;
    width: auto;
    margin-right: 20px;
}

.company-info {
    display: flex;
    flex-direction: column;
}

.company-info h1 {
    font-size: 24px;
    margin: 0;
    color: #333;
    line-height: 1.2;
}

.company-info p {
    font-size: 16px;
    color: #666;
    margin: 5px 0 0;
}

/* 导航菜单 */
nav {
    background-color: var(--primary-color);
    padding: 12px 0;
    width: 100%;
    box-shadow: 0 2px 10px var(--shadow-color);
}

/* 导航菜单容器 */
nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

nav ul li {
    margin: 0 20px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: #fff;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

nav ul li a:hover::after {
    width: 80%;
}

nav ul li a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* 主要内容区域 */
main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    background-color: #fff;
    min-height: calc(100vh - 200px);
}

/* 轮播图样式 */
.swiper {
    width: 100%;
    max-width: 1400px;
    height: 600px;
    margin: 0 auto;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    z-index: 1;
    background-color: #f5f5f5;
}

.swiper-wrapper {
    height: 100%;
}

.swiper-slide {
    text-align: center;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    transform: translate3d(0, 0, 0);
    -webkit-transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transform: scale(1.02);
    transition: transform 0.3s ease-out;
    will-change: transform;
}

/* 轮播图文字样式 */
.slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0));
    color: white;
    padding: 40px 30px;
    text-align: center;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

.slide-caption h3 {
    font-size: 2.2em;
    margin-bottom: 15px;
    color: #fff;
    font-weight: 600;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    line-height: 1.4;
}

.slide-caption p {
    font-size: 1.4em;
    margin: 0;
    color: #fff;
    opacity: 0.95;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
    line-height: 1.6;
    font-weight: 300;
}

/* 分页器样式 */
.swiper-pagination {
    position: absolute;
    bottom: 20px !important;
    left: 0;
    right: 0;
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 0 20px;
}

.swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0.7;
    margin: 0 !important;
}

.swiper-pagination-bullet-active {
    width: 10px;
    height: 10px;
    background: #fff;
    opacity: 1;
    transform: scale(1.2);
}

/* 导航按钮样式 */
.swiper-button-next,
.swiper-button-prev {
    width: 44px;
    height: 44px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 50%;
    color: #fff;
    transition: all 0.3s ease;
    margin: 0 20px;
}

.swiper-button-next:after,
.swiper-button-prev:after {
    font-size: 20px;
    font-weight: bold;
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    background: rgba(0, 0, 0, 0.5);
    transform: scale(1.1);
}

/* 内容区块样式 */
.section {
    padding: 100px 50px;
    max-width: 1920px;
    margin: 0 auto;
}

.section h2 {
    color: var(--text-color);
    margin-bottom: 40px;
    font-size: 2.5em;
    padding-bottom: 20px;
    border-bottom: 3px solid var(--primary-color);
    text-align: center;
    position: relative;
}

.section h2::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: var(--secondary-color);
}

/* 品牌展示 */
.brand-grid {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
    margin: 50px 0;
}

.brand-item {
    background: #fff;
    padding: 30px;
    text-align: center;
    border-radius: 12px;
    transition: all 0.4s ease;
    box-shadow: 0 4px 15px var(--shadow-color);
    border: 1px solid var(--border-color);
}

.brand-item:hover {
    background: #fff;
    transform: translateY(-10px);
    box-shadow: 0 8px 25px var(--shadow-color);
    border-color: var(--primary-color);
}

/* 产品中心 */
.products-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px;
}

.brand-category {
    background: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.brand-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.brand-category h3 {
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #eee;
    font-size: 1.6em;
}

.brand-category ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.brand-category ul li {
    padding: 12px 15px;
    border: 1px solid #eee;
    border-radius: 4px;
    transition: all 0.3s ease;
    background: #f8f8f8;
}

.brand-category ul li:hover {
    background: #fff;
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border-color: #ddd;
}

/* 产品中心标题样式 */
.products-section h2 {
    margin-bottom: 60px;
    font-size: 2.8em;
    padding-bottom: 25px;
}

.products-section h2::after {
    width: 150px;
    height: 4px;
}

/* 产品中心容器样式 */
.products-section {
    background: linear-gradient(to bottom, #fff, var(--light-gray));
    padding: 80px 50px;
    position: relative;
}

.products-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="none"/><path d="M0,0 L100,100 M100,0 L0,100" stroke="%23e8eaed" stroke-width="0.5"/></svg>');
    opacity: 0.1;
    pointer-events: none;
}

/* 新闻列表 */
.news-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px;
}

.news-item {
    background: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    margin-bottom: 30px;
    border: 1px solid #eee;
    display: flex;
    flex-direction: column;
}

.news-item:last-child {
    margin-bottom: 0;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.news-item h3 {
    color: #333;
    font-size: 1.8em;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 2px solid #eee;
}

.news-item .date {
    color: #666;
    font-size: 0.9em;
    margin-bottom: 20px;
}

.news-item p {
    color: #555;
    line-height: 1.8;
    font-size: 1.1em;
    margin-bottom: 20px;
    flex-grow: 1;
}

.news-item .read-more {
    display: inline-block;
    color: #1a73e8;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.news-item .read-more:hover {
    color: #1557b0;
    text-decoration: underline;
}

/* 新闻标题样式 */
.news-section h2 {
    text-align: center;
    font-size: 2.2em;
    color: #333;
    margin-bottom: 40px;
    padding-bottom: 20px;
    position: relative;
}

.news-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #1a73e8;
}

/* 页脚样式 */
footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 30px 0;
    width: 100%;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.copyright {
    margin-bottom: 10px;
}

.beian {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
}

.beian a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.beian a:hover {
    color: #fff;
    text-decoration: underline;
}

/* 移除所有响应式设计 */
@media screen and (max-width: 768px) {
    /* 移除平板样式 */
}

@media screen and (max-width: 480px) {
    /* 移除手机样式 */
}

/* 联系我们页面样式 */
.contact-section {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.section-title {
    color: #0066cc;
    font-size: 28px;
    margin-bottom: 30px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e5e5e5;
}

.contact-info {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 4px;
}

.contact-info p {
    margin: 15px 0;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
}

.contact-info a {
    color: #0066cc;
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}