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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0a0a0f;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

/* 容器样式 */
.container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
header {
    background-color: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: #ffd700;
    text-decoration: none;
    letter-spacing: 1px;
}

.trademark {
    font-size: 0.7em;
    vertical-align: top;
    margin-left: 3px;
}

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

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: #ffd700;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #ffd700;
    transition: width 0.3s ease;
}

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

/* 英雄区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #16213e 100%);
    padding: 100px 0 50px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="g1" cx="50%" cy="50%" r="50%"><stop offset="0%" stop-color="rgba(255,215,0,0.1)"></stop><stop offset="100%" stop-color="rgba(255,215,0,0)"></stop></radialGradient></defs><circle cx="200" cy="300" r="100" fill="url(%23g1)"></circle><circle cx="800" cy="200" r="150" fill="url(%23g1)"></circle><circle cx="600" cy="700" r="120" fill="url(%23g1)"></circle></svg>');
    background-size: cover;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
    font-weight: 800;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #ffd700;
    color: #0a0a0f;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid #ffd700;
}

.btn:hover {
    background-color: transparent;
    color: #ffd700;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
}

/* 关于我们 */
.about {
    padding: 80px 0;
    background-color: #1a1a2e;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #ffffff;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 3px;
    background-color: #ffd700;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-text p {
    margin-bottom: 1.5rem;
}

.about-image {
    background-color: rgba(255, 215, 0, 0.1);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
}

/* 产品模块 */
.products {
    padding: 80px 0;
    background-color: #0f0f1e;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.product-card {
    background-color: #1a1a2e;
    padding: 30px;
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #ffd700, #ffed4e);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: #ffd700;
}

.product-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #ffd700;
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #ffffff;
}

.product-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 20px;
    line-height: 1.6;
}

.product-btn {
    display: inline-block;
    padding: 10px 25px;
    background-color: transparent;
    color: #ffd700;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid #ffd700;
    cursor: pointer;
    margin-top: auto;
    align-self: flex-start;
}

.product-btn:hover {
    background-color: #ffd700;
    color: #0a0a0f;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: #1a1a2e;
    margin: 15% auto;
    padding: 30px;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    text-align: center;
    border: 2px solid #ffd700;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(-50px); }
    to { opacity: 1; transform: translateY(0); }
}

.close {
    color: rgba(255, 255, 255, 0.5);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: #ffd700;
}

.modal-content h2 {
    color: #ffd700;
    margin-bottom: 20px;
}

.modal-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
    line-height: 1.6;
}

.wechat-info {
    background-color: rgba(255, 215, 0, 0.1);
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
}

.wechat-info p {
    margin: 0;
    color: #ffd700;
    font-weight: 600;
}

/* 页脚 */
footer {
    background-color: #0a0a0f;
    padding: 40px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: #ffd700;
    margin-bottom: 15px;
}

.footer-text {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-section h3 {
    color: #ffffff;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #ffd700;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.footer-bottom p {
    margin: 5px 0;
}

.footer-bottom a {
    color: #ffd700;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .product-card {
        padding: 20px;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #ffd700;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 表格固定表头 */
.table-container {
    position: relative;
    overflow: auto;
    max-height: 400px;
}

.table-container table {
    border-collapse: collapse;
    width: 100%;
    background-color: #1a1a2e;
}

.table-container thead {
    position: sticky;
    top: 0;
    z-index: 10;
    background-color: #1a1a2e;
}

.table-container thead tr {
    background-color: #1a1a2e;
}

.table-container th {
    background-color: #1a1a2e !important;
    border-bottom: 2px solid rgba(255, 215, 0, 0.3) !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 10 !important;
    padding: 15px !important;
    font-weight: 600 !important;
    text-align: left !important;
    color: rgba(255, 255, 255, 0.9) !important;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3) !important;
}

.table-container tbody {
    background-color: #1a1a2e;
}

.table-container td {
    padding: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background-color: #1a1a2e;
    color: rgba(255, 255, 255, 0.9);
}

.table-container tbody tr {
    transition: background-color 0.3s ease;
    background-color: #1a1a2e;
}

.table-container tbody tr:hover {
    background-color: rgba(255, 215, 0, 0.05);
}

.table-container::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.table-container::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.table-container::-webkit-scrollbar-thumb {
    background: rgba(255, 215, 0, 0.3);
    border-radius: 4px;
}

.table-container::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 215, 0, 0.5);
}

/* 确保表头在垂直滚动时固定 */
.table-container thead th {
    position: sticky !important;
    top: 0 !important;
    z-index: 10 !important;
    background-color: #1a1a2e !important;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3) !important;
}

/* 确保表格边框和背景正确 */
.table-container table {
    border-spacing: 0;
}

.table-container thead,
.table-container tbody {
    background-color: #1a1a2e;
}