/* ===================== 基础样式 ===================== */
:root {
    --primary-color: #6200ea;
    --primary-dark: #4b00b5;
    --primary-light: #9d46ff;
    --secondary-color: #ff4081;
    --secondary-dark: #c60055;
    --secondary-light: #ff79b0;
    --accent-color: #00e5ff;
    --text-primary: #212121;
    --text-secondary: #757575;
    --background: #f5f5f5;
    --background-dark: #e0e0e0;
    --white: #ffffff;
    --black: #000000;
    --success: #4caf50;
    --warning: #ffeb3b;
    --error: #f44336;
    --gray-light: #f9f9f9;
    --gray: #e0e0e0;
    --gray-dark: #9e9e9e;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--background);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================== 排版 ===================== */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 0.5em;
    font-weight: 600;
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--primary-dark);
}

.section-title {
    text-align: left;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 12px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    transform: none;
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
    text-decoration: none;
}

.btn:hover {
    background-color: var(--primary-dark);
    color: var(--white);
}

/* ===================== 导航栏 ===================== */
header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo h1 {
    margin: 0;
    font-size: 1.8rem;
    color: var(--primary-color);
}

.main-menu {
    display: flex;
    list-style: none;
}

.main-menu li {
    margin: 0 15px;
}

.main-menu a {
    color: var(--text-primary);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

.main-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.main-menu a:hover::after,
.main-menu a.active::after {
    width: 100%;
}

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

/* ===================== 英雄区域 ===================== */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/hero-background.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 40px 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.hero-content p {
    font-size: 1rem;
    margin-bottom: 15px;
}

.search-box {
    max-width: 450px;
    margin: 0 auto;
    display: flex;
    overflow: hidden;
    border-radius: 50px;
    box-shadow: var(--shadow-lg);
}

.search-box input {
    flex: 1;
    padding: 10px 20px;
    border: none;
    outline: none;
    font-size: 15px;
}

.search-box button {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 0 20px;
    cursor: pointer;
    transition: var(--transition);
}

.search-box button:hover {
    background-color: var(--primary-dark);
}

/* ===================== 分类区域 ===================== */
.category-section {
    padding: 50px 0;
    background-color: var(--white);
}

.categories {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    gap: 12px;
}

.category-card {
    background-color: var(--gray-light);
    border-radius: var(--border-radius);
    padding: 15px 8px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.category-card.active {
    background-color: var(--primary-light);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.category-card.active i,
.category-card.active h3 {
    color: var(--white);
}

.category-card.active::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid var(--primary-light);
}

.category-card i {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.category-card h3 {
    margin-bottom: 0;
    font-size: 0.9rem;
}

.category-filter-status {
    margin: 20px 0;
    padding: 10px 15px;
    background-color: var(--gray-light);
    border-radius: var(--border-radius);
    display: none;
}

.category-filter-status.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.category-filter-status .filter-label {
    display: inline-block;
    margin-right: 10px;
    font-weight: 500;
}

.reset-filter {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 5px 10px;
    font-size: 0.85rem;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.reset-filter:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.all-categories-btn {
    display: inline-block;
    margin: 20px auto 0;
    padding: 8px 20px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 30px;
    transition: background-color 0.3s ease;
    text-decoration: none;
    font-size: 0.9rem;
    text-align: center;
    cursor: pointer;
}

.all-categories-btn:hover {
    background-color: var(--primary-dark);
}

.all-categories-wrapper {
    text-align: center;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 游戏卡片过渡效果 */
.game-card {
    transition: all 0.5s ease;
}

.game-card.filtered-out {
    opacity: 0.3;
    transform: scale(0.95);
}

.category-tag {
    display: inline-block;
    padding: 2px 8px;
    background-color: var(--background-dark);
    color: var(--text-secondary);
    border-radius: 20px;
    font-size: 0.75rem;
    margin-bottom: 10px;
}

.category-tag-rpg {
    max-width: 90px;
    text-align: center;
}

.play-btn {
    display: inline-block;
    padding: 6px 18px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 4px;
    transition: background-color 0.3s ease;
    text-decoration: none;
    font-size: 0.85rem;
}

.play-btn:hover {
    background-color: var(--primary-dark);
    color: white;
}

.view-more {
    text-align: center;
    margin-top: 10px;
}

/* ===================== 关于区域 ===================== */
.about-section {
    padding: 80px 0;
    background-color: var(--white);
    text-align: left;
}

.about-content {
    max-width: 800px;
    margin: 0;
}

.about-content h2 {
    margin-bottom: 20px;
}

.about-content p {
    margin-bottom: 20px;
}

/* ===================== 页脚 ===================== */
footer {
    background-color: #1a1a1a;
    color: var(--white);
    padding: 80px 0 20px;
}

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

.footer-section h3 {
    position: relative;
    margin-bottom: 25px;
    padding-bottom: 10px;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-section p {
    margin-bottom: 10px;
    color: var(--gray-dark);
}

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

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

.footer-section ul li a {
    color: var(--gray-dark);
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--white);
    padding-left: 5px;
}

.social {
    display: flex;
    margin-top: 20px;
}

.social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #333;
    color: var(--white);
    margin-right: 10px;
    transition: var(--transition);
}

.social a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-dark);
}

/* ===================== 游戏详情页 ===================== */
.game-detail-section {
    padding: 60px 0;
}

.game-detail-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 30px;
    margin-bottom: 50px;
}

.game-info-panel {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
}

.game-header {
    margin-bottom: 20px;
}

.game-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 10px;
}

.rating {
    display: flex;
    align-items: center;
}

.rating i {
    color: gold;
    margin-right: 2px;
}

.game-description {
    margin-bottom: 30px;
}

.game-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.game-container {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.game-frame-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
}

.game-frame-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.game-loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--white);
}

.spinner {
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 5px solid var(--primary-color);
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.game-guide, .related-games, .comments-section {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.guide-content {
    margin-top: 20px;
}

.add-comment {
    margin-bottom: 30px;
}

.add-comment textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--gray);
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    resize: vertical;
}

.comment {
    display: flex;
    margin-bottom: 30px;
}

.comment-avatar {
    flex-shrink: 0;
    margin-right: 20px;
}

.comment-avatar img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.comment-content {
    flex: 1;
}

.comment-content h4 {
    margin-bottom: 5px;
}

.comment-date {
    font-weight: normal;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.comment-actions {
    margin-top: 10px;
}

.comment-actions button {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    font-size: 0.9rem;
    margin-right: 15px;
}

.comment-actions button:hover {
    text-decoration: underline;
}

/* ===================== 关于我们页面 ===================== */
.page-title {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.breadcrumb {
    margin-top: 10px;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--white);
    opacity: 0.8;
}

.breadcrumb a:hover {
    opacity: 1;
}

.about-page-content {
    padding: 80px 0;
}

.about-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 80px;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.mission-vision {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 80px;
}

.mission, .vision, .values {
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.mission:hover, .vision:hover, .values:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.icon-box {
    background-color: var(--primary-light);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.icon-box i {
    font-size: 2rem;
    color: var(--white);
}

.team-section {
    margin-bottom: 80px;
    text-align: center;
}

.team-intro {
    max-width: 700px;
    margin: 0 auto 40px;
}

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

.team-member {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.member-photo {
    height: 250px;
    overflow: hidden;
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.team-member:hover .member-photo img {
    transform: scale(1.05);
}

.team-member h3 {
    margin: 20px 0 5px;
}

.position {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 10px;
}

.description {
    padding: 0 20px;
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background-color: var(--gray-light);
    color: var(--primary-color);
    margin: 0 5px;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.partners-section {
    margin-bottom: 80px;
    text-align: center;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 30px;
}

.partner-logo {
    background-color: var(--white);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.partner-logo:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.partner-logo img {
    max-width: 100%;
    max-height: 80px;
}

.contact-us-section {
    text-align: center;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin: 40px 0;
}

.contact-item {
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.contact-form-container {
    background-color: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    max-width: 800px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input, 
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--gray);
    border-radius: 4px;
    transition: var(--transition);
}

.form-group input:focus, 
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(98, 0, 234, 0.2);
}

.contact-form button {
    padding: 12px 30px;
    font-size: 1rem;
}

/* 游戏Modal样式 */
.game-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    overflow: auto;
}

.game-modal-content {
    background-color: var(--white);
    margin: 2% auto;
    width: 90%;
    max-width: 1000px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    animation: modalFadeIn 0.3s;
    height: 90%;
    display: flex;
    flex-direction: column;
}

.game-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.game-modal-header h2 {
    margin: 0;
    color: var(--text-color);
}

.close-modal {
    color: var(--text-color-light);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s;
}

.close-modal:hover {
    color: var(--primary-color);
}

.game-modal-body {
    flex: 1;
    padding: 0;
    position: relative;
    overflow: hidden;
}

.game-iframe-container {
    width: 100%;
    height: 100%;
    position: relative;
}

#game-iframe-modal {
    width: 100%;
    height: 100%;
    border: none;
    background-color: #000;
}

.game-loading-modal {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1;
}

.game-modal-controls {
    display: flex;
    justify-content: space-between;
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-light);
}

.fullscreen-btn-modal, .close-btn-modal {
    padding: 10px 15px;
}

.fullscreen-btn-modal {
    background-color: var(--secondary-color);
}

.fullscreen-btn-modal:hover {
    background-color: var(--secondary-dark);
}

.close-btn-modal {
    background-color: var(--text-color-light);
}

.close-btn-modal:hover {
    background-color: var(--text-color);
}

@keyframes modalFadeIn {
    from {opacity: 0; transform: translateY(-20px);}
    to {opacity: 1; transform: translateY(0);}
}

/* 游戏modal在移动设备上的调整 */
@media (max-width: 768px) {
    .game-modal-content {
        width: 95%;
        height: 95%;
        margin: 2.5% auto;
    }
    
    .game-modal-controls {
        flex-direction: column;
        gap: 10px;
    }
    
    .fullscreen-btn-modal, .close-btn-modal {
        width: 100%;
    }
}

/* ===================== 游戏卡片 ===================== */
.games-section {
    padding: 50px 0;
    background-color: var(--background);
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.small-grid {
    grid-template-columns: repeat(5, 1fr);
}

.game-card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    height: 360px; /* 固定高度 */
    display: flex;
    flex-direction: column;
}

.game-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.game-thumbnail {
    position: relative;
    height: 160px; /* 固定高度 */
    overflow: hidden;
}

.game-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.game-card:hover .game-thumbnail img {
    transform: scale(1.05);
}

.game-info {
    padding: 15px;
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.game-info h3 {
    margin: 0 0 10px;
    font-size: 1.1rem;
    color: #333;
    height: 26px; /* 固定高度 */
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.game-info p {
    margin: 0 0 40px; /* 为底部元素留出固定空间 */
    font-size: 0.9rem;
    color: #666;
    line-height: 1.4;
    height: 63px; /* 固定高度，大约3行文本 */
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3; /* 限制最多显示3行 */
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
}

.category-tag {
    position: absolute;
    bottom: 50px; /* 固定位置 */
    left: 15px;
    display: inline-block;
    padding: 3px 8px;
    background-color: #f0f0f0;
    border-radius: 4px;
    font-size: 0.8rem;
    color: #555;
}

.play-btn {
    position: absolute;
    bottom: 15px; /* 固定位置 */
    left: 15px;
    right: 15px;
    display: block;
    padding: 8px 16px;
    background-color: #4a6cf7;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 0.9rem;
    text-align: center;
    text-decoration: none;
    transition: background-color 0.3s;
}

.play-btn:hover {
    background-color: #3451b2;
}

/* 新游戏标签 */
.new-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: #ff4757;
    color: white;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: bold;
}

.hidden-game {
    display: none;
}

.view-more {
    text-align: center;
    margin-top: 10px;
}

.view-more .btn {
    transition: all 0.3s ease;
}

.view-more .btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.view-more .btn.disabled {
    background-color: var(--gray-dark);
    cursor: not-allowed;
}