/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: #00d4ff;
}

.logo-image {
    height: 50px;
    width: auto;
    max-width: 150px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #00d4ff;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #00d4ff;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* 首页英雄区域 */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('png/1.png') center/cover;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 4rem;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    animation: fadeInUp 1s ease 0.4s both;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.stat i {
    font-size: 2rem;
    color: #00d4ff;
}

.stat strong {
    font-size: 1.5rem;
    font-weight: bold;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(45deg, #00d4ff, #090979);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

/* 章节样式 */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    color: #333;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: linear-gradient(45deg, #00d4ff, #090979);
}

/* 关于我们 */
.about {
    background: #f8f9fa;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.about-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.about-card:hover {
    transform: translateY(-5px);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #00d4ff, #090979);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
}

.about-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.about-card p {
    color: #666;
    line-height: 1.6;
}

/* 规则区域 */
.rules {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

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

.rules-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    transition: transform 0.3s ease;
}

.rules-card:hover {
    transform: translateY(-5px);
}

.rules-number {
    position: absolute;
    top: -15px;
    left: 20px;
    width: 40px;
    height: 40px;
    background: #00d4ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.rules-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.rules-card p {
    opacity: 0.9;
    line-height: 1.6;
}

/* 加入我们 */
.join {
    background: #f8f9fa;
}

.join-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.join-info h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: #333;
}

.join-steps {
    list-style: none;
    margin-bottom: 40px;
}

.join-steps li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding: 15px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.join-steps i {
    color: #00d4ff;
    font-size: 1.2rem;
}

.server-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.info-item i {
    color: #00d4ff;
    width: 20px;
}

/* 游戏截图画廊 */
.gallery {
    background: white;
    padding: 100px 0;
}

.gallery-description {
    text-align: center;
    color: #666;
    margin-bottom: 50px;
    font-size: 1.1rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 20px;
}

.gallery-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    cursor: pointer;
}

.gallery-image:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

/* 抖音视频 */
.videos {
    background: #f8f9fa;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.video-card {
    background: #fff;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
    transition: transform .25s ease, box-shadow .25s ease;
    text-decoration: none;
    color: inherit;
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

.video-thumb {
    position: relative;
    aspect-ratio: 16 / 9;
}

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

.video-play {
    position: absolute;
    right: 12px;
    bottom: 10px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-meta {
    padding: 12px 14px 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.video-title {
    font-weight: 600;
}

.video-source {
    font-size: 12px;
    color: #888;
}

.video-card {
    cursor: pointer;
}

/* 视频播放器模态框 */
.video-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    overflow: auto;
    animation: fadeIn 0.3s ease;
}

.video-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-modal-content {
    position: relative;
    background: #0b0b0b;
    border-radius: 16px;
    padding: 18px 18px 24px;
    width: min(1200px, 96vw);
    max-height: 92vh;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
    animation: zoomIn 0.25s ease;
}

.video-modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    color: #333;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10001;
    transition: color 0.3s ease;
    line-height: 1;
}

.video-modal-close:hover {
    color: #00d4ff;
}

.video-modal-title {
    margin: 0 0 12px;
    font-size: 1.6rem;
    color: #fff;
    text-align: center;
}

.video-control-bar {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 10px;
}

.btn-immersive {
    background: rgba(255,255,255,0.08);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.25);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all .2s ease;
    font-weight: 600;
}

.btn-immersive:hover {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.45);
}

.video-player-wrapper {
    position: relative;
    width: 100%;
    height: 75vh;
    max-height: calc(92vh - 90px);
    overflow: hidden;
    border-radius: 12px;
    background: #000;
}

.video-player {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* 抖音沉浸裁切：隐藏右侧互动栏 */
.video-player.immersive-douyin {
    transform: scale(1.12) translateX(-5%);
    transform-origin: center;
}

.video-modal-tip {
    text-align: center;
    color: #aaa;
    font-size: 0.9rem;
    margin: 12px 0 10px;
}

.video-modal-link {
    display: block;
    text-align: center;
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    padding: 12px;
    border-radius: 10px;
    transition: all 0.25s ease;
    background: linear-gradient(45deg, #00d4ff, #090979);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}

.video-modal-link:hover {
    filter: brightness(1.05);
    transform: translateY(-1px);
}

@media (max-width: 1024px) {
    .video-grid { grid-template-columns: repeat(3, 1fr); }
    .video-modal-content { width: 96vw; padding: 16px; }
}

@media (max-width: 768px) {
    .video-grid { grid-template-columns: repeat(2, 1fr); }
    .video-modal-content { width: 98vw; padding: 12px; }
    .video-modal-title {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .video-grid { grid-template-columns: 1fr; }
    .video-modal-content { width: 100vw; padding: 10px; border-radius: 0; max-width: 100%; max-height: 100vh; }
    .video-player-wrapper { height: 62vh; }
    .video-modal-close {
        top: 10px;
        right: 15px;
        font-size: 28px;
    }
}
/* 图片放大模态框 */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    overflow: auto;
    animation: fadeIn 0.3s ease;
}

.lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90vh;
    margin: auto;
    display: block;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    animation: zoomIn 0.3s ease;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10000;
    transition: color 0.3s ease;
}

.lightbox-close:hover {
    color: #00d4ff;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* 联系我们 */
.contact {
    background: white;
}

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

.contact-card {
    background: #f8f9fa;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #00d4ff, #090979);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
}

.contact-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.contact-card p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

/* 页脚 */
.footer {
    background: #333;
    color: white;
    padding: 40px 0 20px;
}

.footer-content {
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    color: #00d4ff;
}

.footer-logo-image {
    height: 40px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 20px;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #00d4ff;
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .join-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .gallery-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 15px;
    }
    
    .gallery-image {
        height: 200px;
    }
    
    .lightbox-content {
        max-width: 95%;
        max-height: 85vh;
    }
    
    .lightbox-close {
        top: 10px;
        right: 20px;
        font-size: 30px;
    }

    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
    }
    
    .gallery-image {
        height: 220px;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .gallery-image {
        height: 180px;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, #00d4ff, #090979);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #090979, #00d4ff);
}