/* 每日大赛 高端极简奢华风格 CSS */
:root {
    --primary-color: #c5a059; /* 香槟金 */
    --bg-dark: #1a1a1a; /* 纯黑/深灰 */
    --bg-light: #f5f5f5;
    --text-main: #ffffff;
    --text-muted: #a0a0a0;
    --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

/* 导航栏 */
header {
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(26, 26, 26, 0.95);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(197, 160, 89, 0.2);
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    letter-spacing: 2px;
}

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

nav ul li {
    margin-left: 30px;
}

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

/* 搜索框 */
.search-container {
    padding: 10px 5%;
    background: #222;
}

.search-box {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 12px 20px;
    background: #333;
    border: 1px solid var(--primary-color);
    color: #fff;
    border-radius: 25px;
    outline: none;
}

/* Banner */
.banner {
    height: 80vh;
    background: url('../images/banner.jpg') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.banner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.banner-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.banner h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    letter-spacing: 5px;
    color: var(--primary-color);
}

/* 视频卡片 */
.video-section {
    padding: 80px 5%;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2rem;
    color: var(--primary-color);
}

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

.video-card {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    cursor: pointer;
    background: #222;
}

.video-card img {
    width: 100%;
    transition: 0.5s;
    display: block;
}

.video-card:hover img {
    transform: scale(1.05);
    opacity: 0.7;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(197, 160, 89, 0.8);
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
}

.video-card:hover .play-btn {
    display: flex;
}

.video-info {
    padding: 15px;
}

.video-info h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.video-stats {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* FAQ & 评论 */
.info-section {
    padding: 80px 5%;
    background: #111;
}

.faq-item, .review-item {
    margin-bottom: 20px;
    padding: 20px;
    background: #1a1a1a;
    border-left: 3px solid var(--primary-color);
}

/* 页脚 */
footer {
    padding: 50px 5%;
    background: #000;
    text-align: center;
    border-top: 1px solid rgba(197, 160, 89, 0.2);
}

.footer-links {
    margin-bottom: 20px;
}

.footer-links a {
    margin: 0 15px;
    color: var(--text-muted);
}

.footer-info {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .banner h1 { font-size: 2rem; }
    nav ul { display: none; }
}