/* 24直播网 - 全局样式表 */
:root {
    --bg-color: #0a0a0a;
    --card-bg: #141414;
    --gold: #C5A059;
    --gold-hover: #e0b363;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --border-color: #2a2a2a;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    cursor: pointer;
}

/* 导航栏 */
header {
    background-color: rgba(10, 10, 10, 0.95);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 5%;
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(10px);
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--gold);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo span {
    color: #fff;
}

nav ul {
    display: flex;
    gap: 2rem;
}

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

.nav-active {
    color: var(--gold);
}

/* 英雄部分 */
.hero {
    height: 60vh;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://tse-mm.bing.com/th?q=足球直播+高清') no-repeat center/cover;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 5%;
}

.hero h1 {
    font-size: 3rem;
    color: var(--gold);
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
}

/* 板块容器 */
.section {
    padding: 4rem 5%;
}

.section-title {
    font-size: 2rem;
    border-left: 5px solid var(--gold);
    padding-left: 1rem;
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-title a {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* 网格布局 */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--gold);
    box-shadow: 0 10px 20px rgba(197, 160, 89, 0.1);
}

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: 1.5rem;
}

.card-tag {
    color: var(--gold);
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    display: block;
}

/* 侧边滚动/动态 */
.dynamic-list {
    height: 400px;
    overflow-y: auto;
    background-color: var(--card-bg);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.dynamic-item {
    padding: 1rem 0;
    border-bottom: 1px dashed var(--border-color);
    display: flex;
    justify-content: space-between;
}

.dynamic-item:last-child {
    border-bottom: none;
}

.dynamic-item .time {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* 页脚 */
footer {
    background-color: #050505;
    padding: 4rem 5% 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-box h3 {
    color: var(--gold);
    margin-bottom: 1.5rem;
}

.footer-box p, .footer-box li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background-color: var(--gold);
    color: #000;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    border: none;
}

.btn:hover {
    background-color: var(--gold-hover);
}

/* 产品页特定样式 */
.filter-bar {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.filter-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--gold);
}

.filter-group select, .filter-group input {
    background-color: #0a0a0a;
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 0.5rem;
    border-radius: 4px;
    width: 100%;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 1rem;
}

.tag {
    padding: 2px 10px;
    background-color: var(--border-color);
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
}

.tag.active {
    background-color: var(--gold);
    color: #000;
}

/* 联系我们页面 */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-form .form-group {
    margin-bottom: 1.5rem;
}

.contact-form label {
    display: block;
    margin-bottom: 0.5rem;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: #fff;
    border-radius: 4px;
}

.map-container {
    height: 300px;
    background-color: #333;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-secondary);
}

/* 响应式 */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 1rem;
    }
    nav ul {
        gap: 1rem;
        font-size: 0.9rem;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .contact-container {
        grid-template-columns: 1fr;
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}