/***********************************************
 * 发明家桌游工作室 - 网站样式
 * 
 * 目录:
 * 1. 基础样式与变量
 * 2. 布局组件
 *    - 头部与导航
 *    - 移动端导航
 *    - 基本布局结构
 * 3. 首页组件
 *    - 英雄区域
 *    - 游戏卡片
 *    - 关于区域
 *    - 社交媒体
 * 4. 详情页组件
 *    - 游戏详情页
 *    - 说明书页面
 * 5. 通用组件
 *    - 按钮与链接
 * 6. 动画效果
 * 7. 媒体查询
 ***********************************************/

/*******************************
 * 1. 基础样式与变量
 *******************************/
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --background-color: #000000;
    --text-color: #ffffff;
    --accent-color: #e0e0e0;
    --hover-color: #ffffff;
    --transition-speed: 0.3s;
    --card-bg-color: rgba(255, 255, 255, 0.05);
    --shadow-color: rgba(0, 0, 0, 0.3);
    --overlay-bg-color: rgba(0, 0, 0, 0.7);
}

html {
    scroll-behavior: smooth;
}

body {
    /* Using Google Fonts with wide fallback options */
    font-family: 'Noto Serif SC', serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

/*******************************
 * 2. 布局组件
 *******************************/

/* --- 头部与导航 --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.logo {
    font-size: 2rem;
    font-weight: bold;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

.nav-link {
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--text-color);
    transition: width var(--transition-speed) ease;
}

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

/* --- 移动端导航 --- */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--text-color);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.98);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(8px);
}

.mobile-nav.active {
    opacity: 1;
    visibility: visible;
    right: 0;
}

.mobile-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: center;
    position: relative;
}

.mobile-nav ul li {
    margin: 2.5rem 0;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.4s ease, opacity 0.4s ease;
    transition-delay: 0.1s;
}

.mobile-nav.active ul li:nth-child(1) {
    transition-delay: 0.15s;
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav.active ul li:nth-child(2) {
    transition-delay: 0.3s;
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav.active ul li:nth-child(3) {
    transition-delay: 0.45s;
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav a {
    font-size: 2.5rem;
    display: block;
    padding: 10px 20px;
    position: relative;
    color: var(--text-color);
    transition: transform 0.3s ease, color 0.3s ease;
}

.mobile-nav a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1px;
    background-color: var(--text-color);
    transition: width 0.4s ease, left 0.4s ease;
}

.mobile-nav a:hover::before {
    width: 80%;
    left: 10%;
}

.mobile-nav a:hover {
    transform: scale(1.1);
}

/* 汉堡菜单动画 */
.menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* 移除不需要的菜单覆盖层 */
.menu-overlay {
    display: none;
}

/* --- 基本布局结构 --- */
section {
    padding: 100px 20px;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background-color: var(--text-color);
}

footer {
    text-align: center;
    padding: 30px 20px;
    background-color: rgba(255, 255, 255, 0.03);
    font-size: 0.9rem;
}

/*******************************
 * 3. 首页组件
 *******************************/

/* --- 英雄区域 --- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: var(--background-color);
    position: relative;
    overflow: hidden; /* Keep floating elements contained */
}

/* 创意排版 */
.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 2.5rem; /* Increase bottom margin for more spacing */
    position: relative;
    display: inline-block;
    letter-spacing: 0.1em;
    text-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

.hero-content h1::after {
    content: '';
    position: absolute;
    height: 2px;
    width: 80%;
    background: linear-gradient(90deg, transparent, var(--text-color), transparent);
    bottom: -20px; /* Move the underline down a bit */
    left: 10%;
}

/* 删除打字机效果，改为字符淡入动画 */
.hero-content p {
    font-size: 1.5rem;
    position: relative;
    display: inline-block;
    overflow: hidden;
    margin: 0 auto;
}

/* Option 1: Letter staggering animation */
.hero-content .fade-letters span {
    opacity: 0;
    display: inline-block;
    animation: fadeInLetter 0.5s ease forwards;
}

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

/* Option 2: Gradient reveal animation */
.hero-content .gradient-reveal {
    background: linear-gradient(90deg, var(--text-color), var(--accent-color));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    position: relative;
    animation: revealText 2s ease forwards;
}

@keyframes revealText {
    from { background-position: -100% center; opacity: 0.5; }
    to { background-position: 200% center; opacity: 1; }
}

/* Option 3: Elegant glow animation */
.hero-content .glow-text {
    animation: glowPulse 3s ease-in-out infinite;
    text-shadow: 0 0 1px rgba(255, 255, 255, 0.1);
}

@keyframes glowPulse {
    0%, 100% { text-shadow: 0 0 1px rgba(255, 255, 255, 0.1); }
    50% { text-shadow: 0 0 15px rgba(255, 255, 255, 0.5); }
}

/* 浮动游戏元素 */
.floating-element {
    position: absolute;
    opacity: 0.3;
    pointer-events: none;
}

.dice {
    width: 40px;
    height: 40px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M5,3H19C20.1,3,21,3.9,21,5V19C21,20.1,20.1,21,19,21H5C3.9,21,3,20.1,3,19V5C3,3.9,3.9,3,5,3M7,5C5.9,5,5,5.9,5,7C5,8.1,5.9,9,7,9C8.1,9,9,8.1,9,7C9,5.9,8.1,5,7,5M17,15C15.9,15,15,15.9,15,17C15,18.1,15.9,19,17,19C18.1,19,19,18.1,19,17C19,15.9,18.1,15,17,15M17,5C15.9,5,15,5.9,15,7C15,8.1,15.9,9,17,9C18.1,9,19,8.1,19,7C19,5.9,18.1,5,17,5M7,15C5.9,15,5,15.9,5,17C5,18.1,5.9,19,7,19C8.1,19,9,18.1,9,17C9,15.9,8.1,15,7,15Z"/></svg>');
    background-size: contain;
    background-repeat: no-repeat;
}

.chess {
    width: 30px;
    height: 45px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M19,22H5V20H19V22M17,10C15.58,10 14.26,10.77 13.55,12H13V9H16V7H13V4H11V7H8V9H11V12H10.45C9.74,10.77 8.42,10 7,10C4.79,10 3,11.79 3,14C3,16.21 4.79,18 7,18H17C19.21,18 21,16.21 21,14C21,11.79 19.21,10 17,10Z"/></svg>');
    background-size: contain;
    background-repeat: no-repeat;
}

.card {
    width: 36px;
    height: 50px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M17,2H7C5.9,2 5,2.9 5,4V20C5,21.1 5.9,22 7,22H17C18.1,22 19,21.1 19,20V4C19,2.9 18.1,2 17,2M17,20H7V4H17V20M8,6H16V8H8V6M8,10H16V12H8V10M8,14H13V16H8V14Z"/></svg>');
    background-size: contain;
    background-repeat: no-repeat;
}

.meeple {
    width: 28px;
    height: 42px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M12,2C14.21,2 16,3.79 16,6C16,8.21 14.21,10 12,10C9.79,10 8,8.21 8,6C8,3.79 9.79,2 12,2M12,11C13.81,11 15.5,11.69 16.71,12.9L12,17.3L7.29,12.9C8.5,11.69 10.19,11 12,11M12,4.5C11,4.5 10.5,5.25 10.5,6C10.5,6.75 11,7.5 12,7.5C13,7.5 13.5,6.75 13.5,6C13.5,5.25 13,4.5 12,4.5M20,17H22V19H20V17M3,19L5,19V17L3,17V19M17,8L19.97,10.67L16.31,14.33L13.8,12H12.5L16.81,15.79L14.22,18.38L12,16.41V23H10L10,16.41L7.78,18.38L5.19,15.79L9.5,12H8.2L5.69,14.33L2.03,10.67L5,8V6H3V4H5V2H7L7,4H10L10,2H12V4H15L15,2H17V4H19V6H17V8Z"/></svg>');
    background-size: contain;
    background-repeat: no-repeat;
}

/* Animation keyframes */
@keyframes float1 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(15px) rotate(-8deg); }
}

@keyframes float3 {
    0%, 100% { transform: translateX(0) rotate(0deg); }
    50% { transform: translateX(-15px) rotate(10deg); }
}

@keyframes float4 {
    0%, 100% { transform: translateX(0) rotate(0deg); }
    50% { transform: translateX(20px) rotate(-5deg); }
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

@keyframes blinkCursor {
    from, to { border-color: transparent }
    50% { border-color: var(--text-color) }
}

/* --- 游戏卡片 --- */
.games-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.game-card {
    background-color: var(--card-bg-color);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    opacity: 1; /* 确保默认可见 */
}

.game-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--shadow-color);
}

.game-image-container {
    width: 100%;
    height: 0;
    padding-bottom: 133.33%; /* 3:4比例 */
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    margin-bottom: 15px;
}

.game-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed) ease;
}

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

.game-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* --- 说明书卡片 --- */
.instructions-section {
    padding: 100px 20px;
    background-color: rgba(255, 255, 255, 0.02);
}

.instructions-container {
    display: flex;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
}

.instruction-card {
    background-color: var(--card-bg-color);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    width: 300px;
    opacity: 1;
}

.instruction-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--shadow-color);
}

.instruction-image-container {
    width: 100%;
    height: 0;
    padding-bottom: 100%; /* 1:1方形比例 */
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    margin-bottom: 15px;
}

.instruction-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed) ease;
}

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

.instruction-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* --- 关于我们区域 --- */
.about-section {
    background-color: rgba(255, 255, 255, 0.03);
}

.about-content {
    display: flex;
    flex-direction: column; /* Change to column layout */
    max-width: 1000px; /* Slightly narrower than before */
    margin: 0 auto;
    padding: 0 40px; /* Add horizontal padding */
}

.about-text {
    flex: 3;
    min-width: 300px;
    padding-right: 50px;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.social-media {
    flex: 1;
    min-width: 250px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 20px;
}

.social-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 2rem;
    gap: 15px;
    width: 100%;
}

/* --- 社交媒体 --- */
.social-media {
    flex: 1;
    min-width: 250px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 20px;
}

.social-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 2rem;
    gap: 15px; /* Add spacing between buttons */
    width: 100%;
}

.social-btn {
    margin: 0.5rem 0;
    display: inline-block;
    text-align: center;
    width: 200px; /* Fixed width for buttons */
}

.social-link {
    display: inline-flex;
    align-items: center;
    min-width: 160px;
    justify-content: center;
}

.social-icon {
    width: 24px;
    height: 24px;
    margin-right: 10px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.wechat-icon {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M9.5,7.5c-0.8,0-1.5,0.7-1.5,1.5S8.7,10.5,9.5,10.5S11,9.8,11,9S10.3,7.5,9.5,7.5z M14.5,7.5c-0.8,0-1.5,0.7-1.5,1.5s0.7,1.5,1.5,1.5S16,9.8,16,9S15.3,7.5,14.5,7.5z M18,12.6C18,8.9,14.8,6,11,6C7.1,6,4,8.9,4,12.6C4,16.3,7.1,19.1,11,19.1c0.5,0,1-0.1,1.5-0.2l1.3,0.8c0.2,0.1,0.5,0.2,0.7,0.1c0.2,0,0.4-0.2,0.5-0.4l0.3-1.2c1.5-0.9,2.7-2.2,2.7-4.1V12.6z"/></svg>');
}

.redbook-icon {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M19.2,12c0,4-3.2,7.2-7.2,7.2S4.8,16,4.8,12S8,4.8,12,4.8S19.2,8,19.2,12z M12,9.6c-1.3,0-2.4,1.1-2.4,2.4 s1.1,2.4,2.4,2.4s2.4-1.1,2.4-2.4S13.3,9.6,12,9.6z"/></svg>');
}

.email-icon {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M20,4H4C2.9,4,2,4.9,2,6v12c0,1.1,0.9,2,2,2h16c1.1,0,2-0.9,2-2V6C22,4.9,21.1,4,20,4z M20,8l-8,5L4,8V6l8,5l8-5V8z"/></svg>');
}

/* 隐藏不再使用的元素 */
.social-title, .wechat-btn, .redbook-btn, .contact-btn, 
.social-button, .qr-code {
    display: none;
}

/*******************************
 * 4. 详情页组件
 *******************************/

/* --- 游戏详情页 --- */
.game-detail {
    max-width: 1000px;
    margin: 100px auto 50px;
    padding: 20px;
}

.game-poster-container {
    width: 60%;
    margin: 0 auto 40px;
    perspective: 1000px;
    cursor: pointer;
}

.game-poster {
    width: 100%;
    display: block;
    transform-style: preserve-3d;
    transition: transform 0.5s ease;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.game-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 50px;
}

.game-info {
    margin-bottom: 80px;
}

.game-info-image {
    width: 100%;
    display: block;
    border-radius: 8px;
}

.game-photos h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 30px;
}

.photo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.game-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    transition: transform var(--transition-speed) ease;
}

.game-photo:hover {
    transform: scale(1.05);
}

/* --- 说明书页面 --- */
.instruction-detail {
    max-width: 1000px;
    margin: 100px auto 50px;
    padding: 20px;
}

.instruction-pages {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.instruction-page {
    width: 100%;
    position: relative;
}

.instruction-page-image {
    width: 100%;
    display: block;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-speed) ease;
}

.instruction-page-image:hover {
    transform: translateY(-5px);
}

.view-more-container {
    text-align: center;
    margin-top: 20px;
}

/*******************************
 * 5. 通用组件
 *******************************/

/* --- 按钮与链接 --- */
.game-link {
    display: inline-block;
    padding: 8px 20px;
    border: 1px solid var(--text-color);
    border-radius: 30px;
    font-size: 0.9rem;
    transition: background-color var(--transition-speed) ease, 
                color var(--transition-speed) ease;
}

.game-link:hover {
    background-color: var(--text-color);
    color: var(--background-color);
}

.view-more-btn {
    display: inline-block;
    padding: 10px 25px;
    border: 1px solid var(--text-color);
    border-radius: 30px;
    font-size: 1rem;
    transition: background-color var(--transition-speed) ease, 
                color var(--transition-speed) ease, 
                transform var(--transition-speed) ease;
    cursor: pointer;
}

.view-more-btn:hover {
    background-color: var(--text-color);
    color: var(--background-color);
    transform: translateY(-3px);
}

.back-link {
    margin-top: 50px;
    text-align: center;
}

.back-link a {
    display: inline-block;
    padding: 10px 25px;
    border: 1px solid var(--text-color);
    border-radius: 30px;
    transition: background-color var(--transition-speed) ease, 
                color var(--transition-speed) ease;
}

.back-link a:hover {
    background-color: var(--text-color);
    color: var(--background-color);
}

/*******************************
 * 6. 动画效果
 *******************************/
.fade-in {
    opacity: 0;
    animation: fadeIn 2s forwards;
}

.slide-up {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 1s forwards 0.5s;
}

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

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

/*******************************
 * 7. 媒体查询
 *******************************/

/* 平板与小屏幕设备 */
@media (max-width: 768px) {
    /* 导航 */
    nav ul {
        display: none; /* 隐藏常规导航 */
    }
    
    .menu-toggle {
        display: flex; /* 显示汉堡菜单图标 */
    }
    
    header {
        padding: 15px;
    }
    
    /* 英雄区 */
    .hero-content h1 {
        font-size: 3rem;
        margin-bottom: 2.2rem; /* Adjust spacing for medium screens */
    }
    
    /* 关于区域 */
    .about-section {
        padding: 80px 15px;
    }
    
    .about-content {
        flex-direction: column;
        padding: 0 20px; /* Smaller padding on mobile */
    }
    
    .about-text {
        padding-right: 0;
        margin-bottom: 40px;
        text-align: left;
    }
    
    .about-text p {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    /* 社交媒体 */
    .social-media {
        width: 100%;
        padding: 15px 0;
        flex-direction: row;
        justify-content: center;
        gap: 20px;
    }
    
    .social-buttons {
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .social-link {
        margin: 5px;
        min-width: 130px;
    }
    
    .social-button {
        min-width: 140px;
    }
    
    /* 游戏详情 */
    .game-poster-container {
        width: 90%;
    }
    
    /* 说明书 */
    .instructions-container {
        flex-direction: column;
        align-items: center;
    }

    .floating-element {
        transform: scale(0.8);
        opacity: 0.2;
    }
}

/* 手机屏幕 */
@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2.5rem;
        margin-bottom: 2rem; /* Maintain good spacing on small screens */
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .game-card {
        padding: 15px;
    }
    
    .social-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .social-link {
        width: 80%;
    }

    .floating-element {
        transform: scale(0.6);
        opacity: 0.15;
    }
    
    /* Simplify the animation on small screens */
    .hero-content p {
        font-size: 1rem;
    }
}