/* YY6080 Global Styles - Light Black Gold Theme */
:root {
    --bg-dark: #121212;
    --bg-card: #1e1e1e;
    --primary-gold: #d4af37;
    --text-white: #ffffff;
    --text-gray: #b0b0b0;
    --accent-gold: #fccb05;
    --transition: all 0.3s ease;
}

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

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

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

ul {
    list-style: none;
}

/* Header & Navigation */
header {
    background-color: rgba(18, 18, 18, 0.95);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    padding: 1rem 5%;
    position: fixed;
    width: 100%;
    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(--primary-gold);
    display: flex;
    align-items: center;
}

.logo span {
    color: var(--text-white);
    margin-left: 5px;
}

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

nav ul li a:hover, nav ul li a.active {
    color: var(--primary-gold);
}

/* Hero Section */
.hero {
    height: 80vh;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.8)), url('https://tse-mm.bing.com/th?q=电影院巨幕') center/cover;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-top: 80px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--primary-gold);
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-gold), var(--accent-gold));
    color: #000;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: bold;
    border: none;
    cursor: pointer;
    display: inline-block;
}

/* Section Common */
section {
    padding: 5rem 5%;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-gold);
    margin-bottom: 0.5rem;
}

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

/* Grid Layouts */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 2rem;
}

.movie-card {
    background: var(--bg-card);
    border-radius: 10px;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    border: 1px solid transparent;
}

.movie-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-gold);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
}

.movie-card img {
    width: 100%;
    aspect-ratio: 2/3;
    object-fit: cover;
}

.movie-info {
    padding: 1rem;
}

.movie-info h3 {
    font-size: 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.movie-info span {
    color: var(--primary-gold);
    font-size: 0.9rem;
}

/* News List */
.news-list {
    max-width: 1000px;
    margin: 0 auto;
}

.news-item {
    display: flex;
    justify-content: space-between;
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.news-item:hover {
    padding-left: 10px;
    border-color: var(--primary-gold);
}

/* Float Buttons */
.float-btn {
    position: fixed;
    right: 30px;
    bottom: 30px;
    width: 60px;
    height: 60px;
    background: var(--primary-gold);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #000;
    font-size: 1.5rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    z-index: 999;
}

/* Footer */
footer {
    background: #0a0a0a;
    padding: 5rem 5% 2rem;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* Filter Section */
.filter-container {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 3rem;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.filter-label {
    color: var(--primary-gold);
    min-width: 60px;
    font-weight: bold;
}

.filter-options {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-item {
    padding: 4px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
}

.filter-item.active, .filter-item:hover {
    background: var(--primary-gold);
    color: #000;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.2rem; }
    nav ul { display: none; } /* Simplified for static demo */
    header { padding: 1rem 5%; }
    .grid-container { grid-template-columns: repeat(2, 1fr); }
}