/* 每日大赛 - 高端极简奢华风格 CSS */
:root {
    --primary-color: #C5A059; /* 香槟金 */
    --bg-dark: #1A1A1A; /* 深灰 */
    --bg-black: #000000; /* 纯黑 */
    --text-light: #E0E0E0;
    --text-muted: #A0A0A0;
    --white: #FFFFFF;
}

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

body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background-color: var(--bg-black);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    padding: 20px 0;
    border-bottom: 1px solid rgba(197, 160, 89, 0.2);
    position: sticky;
    top: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
}

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

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

nav ul {
    display: flex;
    gap: 30px;
}

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

/* Search Box */
.search-container {
    margin-top: 15px;
    display: flex;
    justify-content: center;
}

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

.search-box input {
    width: 100%;
    padding: 10px 20px;
    background: #222;
    border: 1px solid #444;
    color: #fff;
    border-radius: 25px;
}

.search-box button {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
}

/* 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, 0.5);
}

.banner-text {
    position: relative;
    z-index: 1;
}

.banner h1 {
    font-size: 48px;
    margin-bottom: 20px;
    letter-spacing: 5px;
    color: var(--primary-color);
}

.banner p {
    font-size: 18px;
    color: var(--text-muted);
}

/* Section General */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.section-title p {
    color: var(--text-muted);
}

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

.video-card {
    background: #111;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    transition: 0.3s;
}

.video-card:hover {
    transform: translateY(-10px);
}

.video-thumb {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.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;
    color: #fff;
    font-size: 24px;
}

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

.video-info {
    padding: 20px;
}

.video-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--text-muted);
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 20px;
    border-bottom: 1px solid #333;
    padding-bottom: 10px;
}

.faq-q {
    font-weight: bold;
    color: var(--primary-color);
    cursor: pointer;
    margin-bottom: 10px;
}

/* Footer */
footer {
    background: #0a0a0a;
    padding: 60px 0 20px;
    border-top: 1px solid #222;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #222;
    font-size: 14px;
    color: var(--text-muted);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .banner h1 { font-size: 32px; }
    nav ul { display: none; }
}