/* ================================================
   Minecraft 服务器宣传网页 - 主样式文件
   设计风格：Minecraft 像素风
   ================================================ */

/* ---------- CSS 变量（配色方案） ---------- */
:root {
    /* Minecraft 经典配色 */
    --mc-green: #4CDA30;
    --mc-dark-green: #35A620;
    --mc-dirt: #8B6B3D;
    --mc-stone: #808080;
    --mc-cobblestone: #6B6B6B;
    --mc-wood: #8B6B3D;
    --mc-water: #00AAAA;
    --mc-lava: #FF5500;
    --mc-gold: #FFAA00;
    --mc-diamond: #00CCCC;
    --mc-redstone: #FF0000;
    --mc-obsidian: #1A1A3A;
    --mc-white: #FFFFFF;
    --mc-black: #000000;
    
    /* UI 配色 - 明亮 Minecraft 风 */
    --bg-primary: #f0f0f0;
    --bg-secondary: #ffffff;
    --bg-card: #fafafa;
    --bg-card-hover: #f5f5f5;
    --text-primary: #333333;
    --text-secondary: #666666;
    --accent: var(--mc-green);
    --accent-dark: var(--mc-dark-green);
    --danger: #ff5555;
    --success: var(--mc-green);
    --warning: var(--mc-gold);
    
    /* 像素边框 */
    --pixel-border-size: 4px;
    
    /* 间距 */
    --section-padding: 80px 0;
    --container-width: 1200px;
}

/* ---------- 全局重置 ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Noto Sans SC', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    /* 添加细微的像素纹理背景 */
    background-image: 
        radial-gradient(circle, #e0e0e0 1px, transparent 1px);
    background-size: 20px 20px;
}

a {
    color: var(--mc-green);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--mc-gold);
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.pixel-font {
    font-family: 'Press Start 2P', monospace;
}

/* ---------- 像素边框样式 ---------- */
.pixel-border {
    border: var(--pixel-border-size) solid #000;
    box-shadow: 
        inset -4px -4px 0px 0px rgba(0, 0, 0, 0.3),
        inset 4px 4px 0px 0px rgba(255, 255, 255, 0.1),
        4px 4px 0px 0px rgba(0, 0, 0, 0.5);
    position: relative;
}

/* ---------- 像素按钮样式 ---------- */
.pixel-button {
    font-family: 'Press Start 2P', monospace;
    font-size: 12px;
    padding: 12px 24px;
    border: var(--pixel-border-size) solid #000;
    cursor: pointer;
    transition: all 0.1s;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 
        inset -4px -4px 0px 0px rgba(0, 0, 0, 0.3),
        inset 4px 4px 0px 0px rgba(255, 255, 255, 0.2),
        4px 4px 0px 0px #000;
}

.pixel-button:hover {
    transform: translate(-2px, -2px);
    box-shadow: 
        inset -4px -4px 0px 0px rgba(0, 0, 0, 0.3),
        inset 4px 4px 0px 0px rgba(255, 255, 255, 0.2),
        6px 6px 0px 0px #000;
}

.pixel-button:active {
    transform: translate(2px, 2px);
    box-shadow: 
        inset -4px -4px 0px 0px rgba(0, 0, 0, 0.3),
        inset 4px 4px 0px 0px rgba(255, 255, 255, 0.2),
        2px 2px 0px 0px #000;
}

/* ---------- 区块通用样式 ---------- */
.section {
    padding: var(--section-padding);
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 28px;
    color: var(--mc-green);
    margin-bottom: 10px;
    text-shadow: 2px 2px 0px #000;
}

.section-title i {
    margin-right: 10px;
    color: var(--mc-gold);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 50px;
    font-size: 16px;
}

.subsection-title {
    font-size: 20px;
    color: var(--mc-gold);
    margin: 40px 0 30px 0;
    text-shadow: 1px 1px 0px #000;
    border-left: 4px solid var(--mc-gold);
    padding-left: 15px;
}

.subsection-title i {
    margin-right: 10px;
}

/* ================================================
   导航栏样式
   ================================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(240, 240, 240, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: var(--pixel-border-size) solid #000;
    box-shadow: 0 4px 0px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.navbar.scrolled {
    background-color: rgba(240, 240, 240, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--mc-green);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s;
    position: relative;
    padding: 5px 0;
}

.nav-link:hover {
    color: var(--mc-green);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--mc-green);
    transition: width 0.3s;
}

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

/* 导航栏加入QQ群按钮 */
.nav-qq-group {
    background-color: var(--mc-green);
    color: #000;
    font-size: 10px;
    padding: 8px 16px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-qq-group:hover {
    background-color: var(--mc-dark-green);
    color: #000;
}

.qq-label {
    display: inline;
}

/* 移动端汉堡菜单按钮 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--mc-green);
    transition: all 0.3s;
}

/* ================================================
   Hero 首屏样式
   ================================================ */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background:
        /* 多层渐变叠加，营造丰富的 Minecraft 氛围 */
        radial-gradient(ellipse 80% 60% at 50% 40%, rgba(76, 218, 48, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 20% 30%, rgba(76, 218, 48, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 50% 40% at 80% 70%, rgba(0, 180, 200, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse 40% 35% at 75% 25%, rgba(255, 170, 0, 0.08) 0%, transparent 50%),
        linear-gradient(165deg, #f8fdf5 0%, #eef7eb 25%, #f0f4ed 50%, #eaf5ea 75%, #e8f2e6 100%);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%234cda30' fill-opacity='0.04' fill-rule='evenodd'%3E%3Crect x='2' y='2' width='6' height='6'/%3E%3Crect x='22' y='18' width='8' height='8'/%3E%3Crect x='14' y='30' width='4' height='4'/%3E%3C/g%3E%3C/svg%3E");
    opacity: 1;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 0 20px;
    max-width: 800px;
}

.hero-title {
    margin-bottom: 20px;
}

.title-line1 {
    display: block;
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.title-line2 {
    display: block;
    font-size: 48px;
    color: var(--mc-green);
    text-shadow: 3px 3px 0px #000;
    animation: glow 2s ease-in-out infinite alternate;
}

.title-line2 img {
    width: 400px;
    max-width: 90vw;
    height: auto;
    image-rendering: auto;
    filter: drop-shadow(4px 4px 0px rgba(0,0,0,0.5));
    vertical-align: middle;
}

@keyframes glow {
    from { text-shadow: 3px 3px 0px #000, 0 0 10px rgba(76, 218, 48, 0.5); }
    to { text-shadow: 3px 3px 0px #000, 0 0 20px rgba(76, 218, 48, 0.8); }
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

/* Hero 服务器状态 */
.hero-status {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 10px 20px;
    border: 2px solid #000;
    margin-bottom: 20px;
    font-size: 14px;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 0;
    border: 2px solid #000;
}

.status-indicator.online {
    background-color: var(--mc-green);
    box-shadow: 0 0 10px var(--mc-green);
}

.status-indicator.offline {
    background-color: var(--danger);
}

.status-text {
    color: var(--text-secondary);
}

.status-players {
    color: var(--mc-gold);
    font-weight: bold;
}

/* Hero IP展示 */
.hero-ip-display {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: rgba(0, 0, 0, 0.7);
    padding: 12px 24px;
    border: var(--pixel-border-size) solid #000;
    margin-bottom: 30px;
    font-size: 16px;
}

.ip-label-text {
    color: var(--text-secondary);
}

.ip-address-text {
    color: var(--mc-green);
    font-family: 'Press Start 2P', monospace;
    font-size: 14px;
}

.ip-copy-btn {
    background: none;
    border: 2px solid var(--mc-green);
    color: var(--mc-green);
    padding: 5px 10px;
    cursor: pointer;
    transition: all 0.3s;
}

.ip-copy-btn:hover {
    background-color: var(--mc-green);
    color: #000;
}

/* Hero 按钮 */
.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 80px;
}

.hero-btn {
    font-size: 14px;
    padding: 15px 30px;
}

.primary-btn {
    background-color: var(--mc-green);
    color: #000;
}

.secondary-btn {
    background-color: transparent;
    color: var(--mc-green);
    border-color: var(--mc-green);
}

/* 向下滚动指示器 - 绝对定位在底部，不影响内容居中 */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--text-secondary);
    font-size: 12px;
    opacity: 0.6;
    transition: opacity 0.3s;
}

.scroll-indicator:hover {
    opacity: 1;
}

.pixel-arrow {
    font-size: 24px;
    color: var(--mc-green);
    margin-bottom: 5px;
}

.bounce {
    animation: bounce 2s infinite;
}

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

/* ================================================
   公告板块样式
   ================================================ */
.announcements-section {
    background-color: var(--bg-secondary);
    border-top: var(--pixel-border-size) solid #000;
    border-bottom: var(--pixel-border-size) solid #000;
}

.announcements-board {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.announcement-card {
    background-color: var(--bg-card);
    padding: 25px;
    transition: all 0.3s;
}

.announcement-card:hover {
    transform: translateY(-5px);
    box-shadow: 
        inset -4px -4px 0px 0px rgba(0, 0, 0, 0.3),
        inset 4px 4px 0px 0px rgba(255, 255, 255, 0.1),
        4px 9px 0px 0px rgba(0, 0, 0, 0.5);
}

.announcement-card.pinned {
    border-color: var(--mc-gold);
    background-color: rgba(255, 170, 0, 0.05);
}

.announcement-pin {
    display: inline-block;
    background-color: var(--mc-gold);
    color: #000;
    font-family: 'Press Start 2P', monospace;
    font-size: 10px;
    padding: 5px 10px;
    margin-bottom: 10px;
    border: 2px solid #000;
}

.announcement-date {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 10px;
}

.announcement-date i {
    margin-right: 5px;
    color: var(--mc-gold);
}

.announcement-title {
    font-size: 18px;
    color: var(--mc-green);
    margin-bottom: 15px;
    text-shadow: 1px 1px 0px #000;
}

.announcement-content {
    color: var(--text-primary);
    line-height: 1.8;
}

.announcement-content ul {
    margin-left: 20px;
    margin-top: 10px;
}

.announcement-content li {
    margin-bottom: 5px;
}

.announcement-tags {
    margin-top: 15px;
    display: flex;
    gap: 10px;
}

.tag {
    font-family: 'Press Start 2P', monospace;
    font-size: 10px;
    padding: 5px 10px;
    border: 2px solid #000;
}

.tag.update {
    background-color: var(--mc-green);
    color: #000;
}

.tag.important {
    background-color: var(--mc-redstone);
    color: #fff;
}

.tag.event {
    background-color: var(--mc-gold);
    color: #000;
}

.tag.notice {
    background-color: var(--mc-diamond);
    color: #000;
}

/* ================================================
   关于服务器板块样式
   ================================================ */
.about-section {
    background-color: var(--bg-primary);
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-text {
    background-color: var(--bg-card);
    padding: 30px;
    margin-bottom: 50px;
}

.about-text h3 {
    color: var(--mc-green);
    font-size: 18px;
    margin-bottom: 20px;
    text-shadow: 1px 1px 0px #000;
}

.about-text p {
    margin-bottom: 15px;
    line-height: 1.8;
}

/* 特色玩法网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.feature-card {
    background-color: var(--bg-card);
    padding: 25px;
    text-align: center;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    background-color: var(--bg-card-hover);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.feature-card h4 {
    color: var(--mc-gold);
    font-size: 14px;
    margin-bottom: 10px;
    text-shadow: 1px 1px 0px #000;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ---------- 时间线样式 ---------- */
.history-section {
    margin-top: 50px;
}

.timeline {
    position: relative;
    padding: 20px 0;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background-color: var(--mc-green);
    box-shadow: 0 0 10px rgba(85, 255, 85, 0.5);
}

.timeline-item {
    display: flex;
    justify-content: center;
    padding: 30px 0;
    position: relative;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background-color: var(--mc-diamond);
    border: 4px solid #000;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-size: 16px;
    box-shadow: 2px 2px 0px #000;
}

.timeline-content {
    background-color: var(--bg-card);
    padding: 20px;
    width: 45%;
    margin-top: 50px;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: auto;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
}

.timeline-date {
    color: var(--mc-gold);
    font-family: 'Press Start 2P', monospace;
    font-size: 10px;
    margin-bottom: 10px;
}

.timeline-content h4 {
    color: var(--mc-green);
    font-size: 14px;
    margin-bottom: 10px;
    text-shadow: 1px 1px 0px #000;
}

.timeline-content p {
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.6;
}

/* ================================================
   快速加入指南板块样式
   ================================================ */
.join-section {
    background-color: var(--bg-secondary);
    border-top: var(--pixel-border-size) solid #000;
    border-bottom: var(--pixel-border-size) solid #000;
}

/* IP卡片 */
.server-ip-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.ip-card {
    background-color: var(--bg-card);
    overflow: hidden;
    transition: all 0.3s;
}

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

.ip-card.java-edition {
    border-color: var(--mc-green);
}

.ip-card.bedrock-edition {
    border-color: var(--mc-diamond);
}

.ip-card-header {
    background-color: rgba(0, 0, 0, 0.3);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 2px solid #000;
}

.ip-card-header i {
    font-size: 24px;
}

.ip-card.java-edition .ip-card-header i {
    color: var(--mc-green);
}

.ip-card.bedrock-edition .ip-card-header i {
    color: var(--mc-diamond);
}

.ip-card-header h3 {
    font-size: 14px;
    text-shadow: 1px 1px 0px #000;
}

.ip-card.java-edition .ip-card-header h3 {
    color: var(--mc-green);
}

.ip-card.bedrock-edition .ip-card-header h3 {
    color: var(--mc-diamond);
}

.ip-card-body {
    padding: 20px;
}

.ip-display, .version-display, .port-display {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 14px;
}

.ip-label, .version-label, .port-label {
    color: var(--text-secondary);
}

.ip-value, .version-value, .port-value {
    color: var(--mc-green);
    font-family: 'Press Start 2P', monospace;
    font-size: 12px;
}

.copy-btn {
    background: none;
    border: 2px solid var(--mc-green);
    color: var(--mc-green);
    padding: 5px 10px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 12px;
}

.copy-btn:hover {
    background-color: var(--mc-green);
    color: #000;
}

/* 加入步骤 */
.join-steps {
    max-width: 1000px;
    margin: 0 auto 50px auto;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.step-card {
    background-color: var(--bg-card);
    padding: 25px;
    text-align: center;
    transition: all 0.3s;
}

.step-card:hover {
    transform: translateY(-5px);
    background-color: var(--bg-card-hover);
}

.step-number {
    display: inline-block;
    width: 50px;
    height: 50px;
    line-height: 50px;
    background-color: var(--mc-gold);
    color: #000;
    font-size: 18px;
    border: 4px solid #000;
    margin-bottom: 15px;
    box-shadow: 4px 4px 0px rgba(0, 0, 0, 0.5);
}

.step-icon {
    font-size: 32px;
    color: var(--mc-green);
    margin-bottom: 15px;
}

.step-card h4 {
    color: var(--mc-gold);
    font-size: 12px;
    margin-bottom: 10px;
    text-shadow: 1px 1px 0px #000;
}

.step-card p {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.6;
}

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

.faq-preview {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.faq-item {
    background-color: var(--bg-card);
    padding: 15px 20px;
    border-left: 4px solid var(--mc-green);
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
}

.faq-item:hover {
    background-color: var(--bg-card-hover);
    padding-left: 25px;
}

.faq-item i {
    color: var(--mc-green);
    font-size: 12px;
}

.faq-item span {
    color: var(--text-primary);
    font-size: 14px;
}

/* ================================================
   截图展示板块样式
   ================================================ */
.screenshots-section {
    background-color: var(--bg-primary);
}

/* 筛选按钮 */
.screenshot-filters {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: var(--bg-card);
    color: var(--text-primary);
    font-size: 10px;
    padding: 8px 16px;
}

.filter-btn.active {
    background-color: var(--mc-green);
    color: #000;
}

.filter-btn:hover {
    background-color: var(--mc-dark-green);
    color: #000;
}

/* 截图网格 */
.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.screenshot-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;
}

.screenshot-item:hover {
    transform: scale(1.02);
}

.screenshot-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    image-rendering: pixelated;
    transition: transform 0.3s;
}

.screenshot-item:hover img {
    transform: scale(1.05);
}

.screenshot-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    padding: 20px;
    transform: translateY(100%);
    transition: transform 0.3s;
}

.screenshot-item:hover .screenshot-overlay {
    transform: translateY(0);
}

.screenshot-overlay h4 {
    color: var(--mc-green);
    font-size: 14px;
    margin-bottom: 5px;
    font-family: 'Press Start 2P', monospace;
}

.screenshot-overlay p {
    color: var(--text-secondary);
    font-size: 12px;
}

/* 视频展示区 */
.video-section {
    margin-top: 50px;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.video-card {
    background-color: var(--bg-card);
    overflow: hidden;
    transition: all 0.3s;
}

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

.video-embed {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 宽高比 */
    height: 0;
    overflow: hidden;
    background-color: #000;
}

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

/* 视频占位符 - 点击后加载真实视频 */
.video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    cursor: pointer;
    transition: background 0.3s;
    gap: 15px;
}

.video-placeholder:hover {
    background: linear-gradient(135deg, #1a1a2e 0%, #1a3a1a 50%, #0f4a0f 100%);
}

.video-placeholder i {
    font-size: 64px;
    color: var(--mc-green);
    filter: drop-shadow(0 0 15px rgba(76, 218, 48, 0.6));
    transition: transform 0.3s, filter 0.3s;
}

.video-placeholder:hover i {
    transform: scale(1.15);
    filter: drop-shadow(0 0 25px rgba(76, 218, 48, 0.9));
}

.video-placeholder span {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.7);
}

.video-note {
    font-size: 12px !important;
    color: var(--text-secondary) !important;
}

.video-info {
    padding: 20px;
}

.video-info h4 {
    color: var(--mc-gold);
    font-size: 14px;
    margin-bottom: 10px;
    text-shadow: 1px 1px 0px #000;
}

.video-info p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ================================================
   动态地图板块样式
   ================================================ */
.dynmap-section {
    background-color: var(--bg-secondary);
    border-top: var(--pixel-border-size) solid #000;
    border-bottom: var(--pixel-border-size) solid #000;
}

.dynmap-container {
    background-color: var(--bg-card);
    overflow: hidden;
    max-width: 1200px;
    margin: 0 auto;
}

.dynmap-header {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 15px 20px;
    background-color: rgba(0, 0, 0, 0.3);
    border-bottom: 2px solid #000;
}

.dynmap-status {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.dynmap-status i {
    font-size: 12px;
    color: var(--mc-green);
    animation: pulse 2s infinite;
}

.dynmap-status i.offline {
    color: var(--danger);
    animation: none;
}

.dynmap-status span {
    color: var(--text-secondary);
}

.dynmap-actions {
    display: flex;
    gap: 10px;
}

.dynmap-fullscreen-btn {
    background-color: var(--mc-diamond);
    color: #000;
    font-size: 10px;
    padding: 8px 16px;
}

.dynmap-frame-container {
    position: relative;
    width: 100%;
    height: 600px;
    background-color: #000;
}

.dynmap-frame-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.dynmap-loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    z-index: 10;
    transition: opacity 0.5s;
}

.dynmap-loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.dynmap-loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--mc-green);
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.dynmap-loading p {
    color: var(--text-primary);
    font-size: 16px;
}

.dynmap-loading-note {
    color: var(--text-secondary) !important;
    font-size: 12px !important;
}

.dynmap-info {
    padding: 15px 20px;
    background-color: rgba(0, 0, 0, 0.2);
    border-top: 2px solid #000;
}

.dynmap-info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-secondary);
}

.dynmap-info-item i {
    color: var(--mc-gold);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .dynmap-frame-container {
        height: 400px;
    }
    
    .dynmap-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .dynmap-frame-container {
        height: 300px;
    }
}

/* ================================================
   活动展示板块样式
   ================================================ */
.events-section {
    background-color: var(--bg-secondary);
    border-top: var(--pixel-border-size) solid #000;
    border-bottom: var(--pixel-border-size) solid #000;
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.event-card {
    background-color: var(--bg-card);
    overflow: hidden;
    transition: all 0.3s;
}

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

.event-card.ongoing {
    border-color: var(--mc-green);
}

.event-card.upcoming {
    border-color: var(--mc-gold);
}

.event-card.ended {
    border-color: var(--mc-stone);
    opacity: 0.8;
}

.event-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    font-family: 'Press Start 2P', monospace;
    font-size: 10px;
    padding: 5px 10px;
    border: 2px solid #000;
    z-index: 1;
}

.ongoing-badge {
    background-color: var(--mc-green);
    color: #000;
    animation: pulse 2s infinite;
}

.upcoming-badge {
    background-color: var(--mc-gold);
    color: #000;
}

.ended-badge {
    background-color: var(--mc-stone);
    color: #fff;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.event-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.event-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.event-card:hover .event-image img {
    transform: scale(1.05);
}

.event-info {
    padding: 20px;
}

.event-info h3 {
    color: var(--mc-green);
    font-size: 16px;
    margin-bottom: 10px;
    text-shadow: 1px 1px 0px #000;
}

.event-description {
    color: var(--text-primary);
    font-size: 14px;
    margin-bottom: 15px;
    line-height: 1.6;
}

.event-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 15px;
}

.event-detail {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.event-detail i {
    color: var(--mc-gold);
    width: 16px;
}

.event-btn {
    background-color: var(--mc-green);
    color: #000;
    width: 100%;
    text-align: center;
}

.event-btn:disabled {
    background-color: var(--mc-stone);
    color: var(--text-secondary);
    cursor: not-allowed;
}

/* 历史活动回顾 */
.past-events {
    max-width: 800px;
    margin: 0 auto;
}

.past-events-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.past-event-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background-color: var(--bg-card);
    padding: 15px 20px;
    border-left: 4px solid var(--mc-diamond);
}

.past-event-date {
    color: var(--text-secondary);
    font-family: 'Press Start 2P', monospace;
    font-size: 10px;
    min-width: 120px;
}

.past-event-name {
    color: var(--mc-gold);
    font-size: 14px;
    min-width: 180px;
}

.past-event-desc {
    color: var(--text-secondary);
    font-size: 13px;
}

/* ================================================
   团队介绍板块样式
   ================================================ */
.team-section {
    background-color: var(--bg-primary);
}

.team-founders, .team-admins, .team-devs, .team-builders {
    margin-bottom: 50px;
}

.founders-grid {
    display: flex;
    justify-content: center;
}

.team-card {
    background-color: var(--bg-card);
    padding: 30px;
    text-align: center;
    transition: all 0.3s;
    max-width: 350px;
}

.team-card:hover {
    transform: translateY(-5px);
    background-color: var(--bg-card-hover);
}

.founder-card {
    border-color: var(--mc-gold);
    background-color: rgba(255, 170, 0, 0.05);
}

.team-avatar {
    width: 128px;
    height: 128px;
    margin: 0 auto 20px auto;
    overflow: hidden;
    border: var(--pixel-border-size) solid #000;
    box-shadow: 
        inset -2px -2px 0px 0px rgba(0, 0, 0, 0.3),
        inset 2px 2px 0px 0px rgba(255, 255, 255, 0.1),
        4px 4px 0px 0px rgba(0, 0, 0, 0.5);
}

.team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    image-rendering: pixelated;
}

.team-rank {
    font-size: 12px;
    margin-bottom: 10px;
    text-shadow: 1px 1px 0px #000;
}

.team-rank.owner {
    color: var(--mc-gold);
}

.team-rank.admin {
    color: var(--mc-redstone);
}

.team-rank.dev {
    color: var(--mc-green);
}

.team-rank.builder {
    color: var(--mc-diamond);
}

.team-name {
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.team-description {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.team-contact {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.team-contact a {
    color: var(--text-secondary);
    font-size: 20px;
    transition: all 0.3s;
}

.team-contact a:hover {
    color: var(--mc-green);
    transform: translateY(-3px);
}

/* 管理员网格 */
.admins-grid, .devs-grid, .builders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

/* ================================================
   FAQ 板块样式
   ================================================ */
.faq-section {
    background-color: var(--bg-secondary);
    border-top: var(--pixel-border-size) solid #000;
    border-bottom: var(--pixel-border-size) solid #000;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background-color: var(--bg-card);
    overflow: hidden;
    transition: all 0.3s;
}

.faq-question {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s;
}

.faq-question:hover {
    background-color: rgba(85, 255, 85, 0.05);
}

.faq-q-text {
    color: var(--text-primary);
    font-size: 15px;
    font-weight: bold;
}

.faq-toggle {
    color: var(--mc-green);
    transition: transform 0.3s;
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 20px;
}

.faq-item.active .faq-answer {
    padding: 0 20px 20px 20px;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 10px;
}

.faq-answer ul, .faq-answer ol {
    margin-left: 20px;
    margin-bottom: 10px;
}

.faq-answer li {
    color: var(--text-secondary);
    margin-bottom: 5px;
    line-height: 1.6;
}

.faq-answer code {
    background-color: rgba(0, 0, 0, 0.5);
    padding: 2px 6px;
    border: 1px solid #333;
    color: var(--mc-green);
    font-family: 'Press Start 2P', monospace;
    font-size: 11px;
}

.faq-answer a {
    color: var(--mc-green);
    text-decoration: underline;
}

/* ================================================
   页脚样式
   ================================================ */
.footer {
    background-color: #2d2d2d;
    border-top: var(--pixel-border-size) solid #000;
    padding: 60px 0 30px 0;
    color: #fff;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.footer-logo img {
    width: 40px;
    height: 40px;
    image-rendering: pixelated;
}

.footer-logo span {
    color: var(--mc-green);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 1px;
}

.footer-about p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 10px;
}

.footer-links h4, .footer-social h4 {
    color: var(--mc-gold);
    font-size: 12px;
    margin-bottom: 20px;
    text-shadow: 1px 1px 0px #000;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 14px;
    transition: all 0.3s;
}

.footer-links a:hover {
    color: var(--mc-green);
    padding-left: 5px;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 2px solid #000;
    font-size: 20px;
    transition: all 0.3s;
}

.social-icon.qq {
    background-color: #12B7F5;
    color: #fff;
}

.social-icon.discord {
    background-color: #5865F2;
    color: #fff;
}

.social-icon.bilibili {
    background-color: #00A1D6;
    color: #fff;
}

.social-icon.weibo {
    background-color: #E6162D;
    color: #fff;
}

.social-icon.minecraft {
    background-color: #4CAF50;
    color: #fff;
}

.social-icon:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.server-info {
    margin-top: 15px;
}

.server-info p {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 5px;
}

.server-info i {
    color: var(--mc-green);
    margin-right: 5px;
}

.footer-bottom {
    border-top: 2px solid #000;
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 12px;
    margin-bottom: 5px;
}

/* ================================================
   复制成功提示
   ================================================ */
.copy-notification {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: var(--mc-green);
    color: #000;
    font-family: 'Press Start 2P', monospace;
    font-size: 12px;
    padding: 15px 30px;
    border: var(--pixel-border-size) solid #000;
    box-shadow: 
        inset -4px -4px 0px 0px rgba(0, 0, 0, 0.2),
        inset 4px 4px 0px 0px rgba(255, 255, 255, 0.2),
        4px 4px 0px 0px rgba(0, 0, 0, 0.5);
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: transform 0.3s;
}

.copy-notification.show {
    transform: translateX(-50%) translateY(0);
}

/* ================================================
   返回顶部按钮
   ================================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--mc-green);
    color: #000;
    font-size: 20px;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--mc-dark-green);
}

/* ================================================
   响应式设计
   ================================================ */
@media (max-width: 768px) {
    /* 导航栏移动端 */
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: rgba(240, 240, 240, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        border-bottom: var(--pixel-border-size) solid #000;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-qq-group {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Hero区移动端 */
    .title-line1 {
        font-size: 14px;
    }
    
    .title-line2 {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-ip-display {
        font-size: 14px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .ip-address-text {
        font-size: 12px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    /* 移动端隐藏滚动指示器 */
    .scroll-indicator {
        display: none;
    }
    
    /* 时间线移动端 */
    .timeline::before {
        left: 20px;
    }
    
    .timeline-marker {
        left: 20px;
    }
    
    .timeline-content {
        width: calc(100% - 60px);
        margin-left: 60px !important;
        margin-right: 0 !important;
    }
    
    /* 截图网格移动端 */
    .screenshots-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    /* 视频网格移动端 */
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    /* 活动网格移动端 */
    .events-grid {
        grid-template-columns: 1fr;
    }
    
    /* 团队网格移动端 */
    .admins-grid, .devs-grid, .builders-grid {
        grid-template-columns: 1fr;
    }
    
    /* 页脚移动端 */
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    /* 区块标题移动端 */
    .section-title {
        font-size: 20px;
    }
    
    .subsection-title {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .title-line2 {
        font-size: 24px;
    }
    
    .hero-buttons {
        gap: 10px;
    }
    
    .hero-btn {
        font-size: 12px;
        padding: 12px 20px;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .past-event-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ---------- 滚动条样式 ---------- */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background-color: #e0e0e0;
}

::-webkit-scrollbar-thumb {
    background-color: var(--mc-green);
    border: 2px solid #e0e0e0;
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--mc-dark-green);
}