:root {
    --watermelon-red: #ff4757;
    --watermelon-green: #2ecc71;
    --dark-bg: #0f0f0f;
    --darker-bg: #050505;
    --light-text: #f1f2f6;
    --gray-text: #a4b0be;
    --accent: var(--watermelon-green);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Noto Sans SC', 'Inter', sans-serif;
    background-color: var(--dark-bg);
    color: var(--light-text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.accent {
    color: var(--watermelon-red);
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    background-color: rgba(5, 5, 5, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 2px solid var(--watermelon-green);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    margin-right: 10px;
    font-size: 2rem;
}

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

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--light-text);
    font-weight: 700;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--watermelon-green);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero 区域 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background: url('https://tse-mm.bing.com/th?q=modern+cinema+hall+empty+seats') no-repeat center center/cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0,0,0,0.5) 0%, var(--dark-bg) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    text-shadow: 0 5px 15px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 1.5rem;
    color: var(--gray-text);
    margin-bottom: 40px;
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background-color: var(--watermelon-red);
    color: white;
}

.btn-primary:hover {
    background-color: #ff6b81;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 71, 87, 0.3);
}

.btn-secondary {
    border: 2px solid var(--watermelon-green);
    color: var(--watermelon-green);
    margin-left: 20px;
}

.btn-secondary:hover {
    background-color: var(--watermelon-green);
    color: var(--darker-bg);
}

.scroll-down {
    position: absolute;
    bottom: 30px;
    font-size: 2rem;
    color: var(--watermelon-green);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-10px);}
    60% {transform: translateY(-5px);}
}

/* 通用 Section */
.section {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.section-header h2 {
    font-size: 2.5rem;
    border-left: 5px solid var(--watermelon-green);
    padding-left: 20px;
}

/* 公司介绍 */
.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.intro-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--gray-text);
}

.intro-img img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    border: 1px solid var(--watermelon-green);
}

/* 产品页 - 核心产品 */
.filters {
    display: flex;
    gap: 10px;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--gray-text);
    color: var(--gray-text);
    padding: 8px 20px;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
    border-color: var(--watermelon-red);
    color: var(--watermelon-red);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--darker-bg);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid #222;
    transition: var(--transition);
    position: relative;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--watermelon-green);
}

.product-img {
    height: 350px;
    overflow: hidden;
    position: relative;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-img img {
    transform: scale(1.1);
}

.product-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--watermelon-red);
    padding: 5px 15px;
    border-radius: 5px;
    font-size: 0.8rem;
    font-weight: 700;
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.product-info p {
    color: var(--gray-text);
    font-size: 0.9rem;
}

/* 新闻动态 */
.news-item {
    display: flex;
    padding: 30px;
    background: var(--darker-bg);
    margin-bottom: 20px;
    border-radius: 15px;
    transition: var(--transition);
    cursor: pointer;
}

.news-item:hover {
    background: #111;
    border-left: 5px solid var(--watermelon-green);
}

.news-date {
    font-weight: 700;
    color: var(--watermelon-red);
    min-width: 120px;
}

/* 关于我们 - 时间轴 */
.history-timeline {
    margin-bottom: 80px;
    position: relative;
}

.timeline-event {
    display: flex;
    margin-bottom: 30px;
    position: relative;
    padding-left: 30px;
    border-left: 2px solid var(--watermelon-green);
}

.timeline-event::before {
    content: '';
    position: absolute;
    left: -7px;
    top: 0;
    width: 12px;
    height: 12px;
    background: var(--watermelon-red);
    border-radius: 50%;
}

.event-year {
    font-weight: 700;
    font-size: 1.5rem;
    margin-right: 30px;
    color: var(--watermelon-green);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.team-member {
    text-align: center;
}

.team-member img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 3px solid var(--watermelon-red);
}

/* 联系我们 */
.contact-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 50px;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    background: var(--darker-bg);
    border: 1px solid #333;
    color: white;
    border-radius: 10px;
    font-family: inherit;
}

.contact-form input:focus, .contact-form textarea:focus {
    border-color: var(--watermelon-green);
    outline: none;
}

.info-item {
    margin-bottom: 20px;
}

.map-placeholder {
    margin-top: 30px;
    height: 200px;
    border-radius: 10px;
    overflow: hidden;
}

.map-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.form-message {
    margin-top: 20px;
    padding: 10px;
    border-radius: 5px;
    display: none;
}

.form-message.success {
    display: block;
    background: rgba(46, 204, 113, 0.2);
    color: var(--watermelon-green);
}

/* 页脚 */
.footer {
    padding: 50px 0;
    background: var(--darker-bg);
    text-align: center;
    border-top: 1px solid #222;
}

.footer-seo {
    margin-top: 20px;
    color: #444;
}

.text-xs { font-size: 0.75rem; }

/* 响应式设计 */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .hero p { font-size: 1.1rem; }
    .intro-grid, .contact-grid, .team-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .section-header { flex-direction: column; align-items: flex-start; }
}

/* 动画效果 */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}