/* 
====================================
    Global Styles - Apple-inspired
====================================
*/

/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Apple-inspired color palette */
    --apple-blue: #007AFF;
    --apple-light-blue: #64A5FF;
    --apple-gray: #8E8E93;
    --apple-light-gray: #E5E5EA;
    --apple-white: #FFFFFF;
    --apple-black: #1D1D1F;
    --apple-red: #FF3B30;
    --apple-green: #34C759;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* Shadows */
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-dark: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--apple-white);
    color: var(--apple-black);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--apple-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--apple-light-blue);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background-color: var(--apple-blue);
    color: var(--apple-white);
}

.btn-primary:hover {
    background-color: var(--apple-light-blue);
    color: var(--apple-white);
}

.btn-secondary {
    background-color: var(--apple-light-gray);
    color: var(--apple-black);
}

.btn-secondary:hover {
    background-color: var(--apple-gray);
    color: var(--apple-white);
}

/* 
====================================
    Header Styles
====================================
*/
header {
    padding: var(--spacing-md) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

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

.tagline {
    font-size: 1rem;
    color: var(--apple-gray);
    margin-bottom: 0;
}

.main-nav {
    display: flex;
    align-items: center;
}

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

.nav-links li {
    margin-left: var(--spacing-lg);
}

.nav-links a {
    color: var(--apple-black);
    font-weight: 500;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--apple-blue);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--apple-blue);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--apple-black);
    cursor: pointer;
}

/* 
====================================
    Hero Section
====================================
*/
.hero {
    display: flex;
    align-items: center;
    padding: var(--spacing-xl) 0;
    min-height: 70vh;
}

.hero-content {
    flex: 1;
    padding-right: var(--spacing-lg);
}

.hero-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    color: var(--apple-gray);
}

.hero-content .btn {
    margin-right: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-medium);
}

/* 
====================================
    Play Section
====================================
*/
.play-section {
    text-align: center;
    padding: var(--spacing-xl) 0;
    background-color: #f9f9f9; /* A slightly different background to highlight the game area */
}

/* This container will hold the iframe and maintain its aspect ratio */
.game-iframe-container {
    position: relative;
    width: 100%;
    /* A wider container for the landscape game */
    max-width: 1100px; /* Make the game container wider */
    margin: var(--spacing-md) auto 0;
    overflow: hidden;
    /* Back to 16:9 aspect ratio for the horizontal game */
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-dark);
}

.game-iframe-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* 全屏控制按钮样式 */
.fullscreen-controls {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    z-index: 10;
    display: flex;
    gap: var(--spacing-xs);
}

.fullscreen-btn,
.exit-fullscreen-btn {
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--apple-white);
    border: none;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.fullscreen-btn:hover,
.exit-fullscreen-btn:hover {
    background-color: var(--apple-blue);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.fullscreen-btn:active,
.exit-fullscreen-btn:active {
    transform: translateY(0);
}

.fullscreen-btn i,
.exit-fullscreen-btn i {
    font-size: 1.1rem;
}

/* 全屏模式样式 */
.game-iframe-container:fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw !important;
    height: 100vh !important;
    max-width: none !important;
    padding-top: 0 !important;
    margin: 0 !important;
    border-radius: 0 !important;
    background-color: #000;
    z-index: 999999;
}

.game-iframe-container:-webkit-full-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw !important;
    height: 100vh !important;
    max-width: none !important;
    padding-top: 0 !important;
    margin: 0 !important;
    border-radius: 0 !important;
    background-color: #000;
    z-index: 999999;
}

.game-iframe-container:-moz-full-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw !important;
    height: 100vh !important;
    max-width: none !important;
    padding-top: 0 !important;
    margin: 0 !important;
    border-radius: 0 !important;
    background-color: #000;
    z-index: 999999;
}

.game-iframe-container:-ms-fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw !important;
    height: 100vh !important;
    max-width: none !important;
    padding-top: 0 !important;
    margin: 0 !important;
    border-radius: 0 !important;
    background-color: #000;
    z-index: 999999;
}

/* 全屏模式下的iframe样式 */
.game-iframe-container:fullscreen iframe,
.game-iframe-container:-webkit-full-screen iframe,
.game-iframe-container:-moz-full-screen iframe,
.game-iframe-container:-ms-fullscreen iframe {
    width: 100vw !important;
    height: 100vh !important;
    top: 0 !important;
    left: 0 !important;
}

/* 
====================================
    About Section
====================================
*/
.about-section {
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

.feature {
    flex: 1;
    max-width: 250px;
    padding: var(--spacing-md);
}

.feature i {
    font-size: 2.5rem;
    color: var(--apple-blue);
    margin-bottom: var(--spacing-md);
    display: block;
}


/* 
====================================
    Footer Styles
====================================
*/
footer {
    background-color: var(--apple-black);
    color: var(--apple-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.footer-logo h2 {
    color: var(--apple-white);
    margin-bottom: var(--spacing-sm);
}

.footer-logo p {
    color: var(--apple-gray);
}

.footer-links,
.footer-contact {
    margin-top: var(--spacing-lg);
}

.footer-links h3,
.footer-contact h3 {
    color: var(--apple-white);
    margin-bottom: var(--spacing-md);
}

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

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--apple-gray);
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--apple-white);
}

.footer-contact p {
    margin-bottom: var(--spacing-md);
    color: var(--apple-gray);
}

.footer-contact i {
    margin-right: var(--spacing-xs);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    color: var(--apple-gray);
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

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

.copyright {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--apple-gray);
    color: var(--apple-gray);
    font-size: 0.9rem;
}

/* 
====================================
    Responsive Styles
====================================
*/
@media (max-width: 992px) {
    html {
        font-size: 15px;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: var(--spacing-lg);
    }

    .footer-content > div {
        flex: 1 0 50%;
        margin-bottom: var(--spacing-lg);
    }
    
    /* 平板端游戏区域优化 */
    .game-iframe-container {
        max-width: 100%;
        margin: var(--spacing-md) var(--spacing-sm) 0;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
    }

    .logo {
        margin-bottom: var(--spacing-md);
    }

    .menu-toggle {
        display: block;
        position: absolute;
        top: 30px;
        right: var(--spacing-md);
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-md);
        margin-left: 0;
    }

    .nav-links.show {
        display: flex;
    }

    .nav-links li {
        margin-left: 0;
        width: 100%;
    }

    .footer-content > div {
        margin-bottom: var(--spacing-lg);
    }
    
    /* 移动端游戏区域优化 */
    .play-section {
        padding: var(--spacing-lg) 0;
        background-color: #f9f9f9;
    }
    
    .game-iframe-container {
        max-width: 100%;
        margin: var(--spacing-sm) 0 0;
        /* 调整为更适合手机的宽高比 4:3 */
        padding-top: 75%; /* 4:3 Aspect Ratio - 更适合移动端 */
        border-radius: var(--border-radius-md); /* 稍小的圆角 */
    }
}

@media (max-width: 576px) {
    .hero-content h2 {
        font-size: 2rem;
    }
    
    /* 小屏手机优化 */
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .play-section {
        padding: var(--spacing-md) 0;
    }
    
    .play-section h2 {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .play-section p {
        font-size: 0.9rem;
        margin-bottom: var(--spacing-md);
    }
    
    .game-iframe-container {
        margin: var(--spacing-sm) 0 0;
        /* 小屏手机使用接近正方形的比例 */
        padding-top: 85%; /* 约6:5 宽高比 - 最适合小屏手机 */
        border-radius: var(--border-radius-sm);
        /* 添加触摸友好的样式 */
        touch-action: manipulation;
    }
    
    .game-iframe-container iframe {
        /* 确保触摸事件正常工作 */
        touch-action: auto;
        /* 防止iOS上的双击缩放 */
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        user-select: none;
    }
    
    /* 移动端全屏按钮优化 */
    .fullscreen-btn .btn-text,
    .exit-fullscreen-btn .btn-text {
        display: none; /* 小屏幕只显示图标 */
    }
    
    .fullscreen-btn,
    .exit-fullscreen-btn {
        padding: var(--spacing-sm);
        min-width: 44px; /* 确保触摸目标足够大 */
        min-height: 44px;
        justify-content: center;
    }
}

/* 横屏模式优化 */
@media (max-width: 768px) and (orientation: landscape) {
    .game-iframe-container {
        /* 横屏时使用16:9比例充分利用屏幕空间 */
        padding-top: 56.25%;
        margin: var(--spacing-xs) 0 0;
    }
    
    .play-section {
        padding: var(--spacing-md) 0;
    }
    
    .play-section h2 {
        font-size: 1.3rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .play-section p {
        font-size: 0.85rem;
        margin-bottom: var(--spacing-sm);
    }
}

/* 极小屏幕优化（小于360px宽度的设备） */
@media (max-width: 360px) {
    .game-iframe-container {
        /* 极小屏幕使用更高的比例 */
        padding-top: 90%; /* 约9:10 宽高比 */
        margin: var(--spacing-xs) 0 0;
    }
    
    .play-section h2 {
        font-size: 1.3rem;
    }
    
    .play-section p {
        font-size: 0.85rem;
    }
}

/* 伪全屏模式样式（用于不支持全屏API的设备） */
.game-iframe-container.pseudo-fullscreen {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    max-width: none !important;
    padding-top: 0 !important;
    margin: 0 !important;
    border-radius: 0 !important;
    background-color: #000;
    z-index: 999999 !important;
}

.game-iframe-container.pseudo-fullscreen iframe {
    width: 100vw !important;
    height: 100vh !important;
    top: 0 !important;
    left: 0 !important;
}

/* 全屏激活时隐藏页面其他内容 */
body.fullscreen-active {
    overflow: hidden;
}

body.fullscreen-active > *:not(.container) {
    display: none;
}

body.fullscreen-active .container > *:not(#play) {
    display: none;
}

body.fullscreen-active #play > *:not(.game-iframe-container) {
    display: none;
}

/* 全屏模式下按钮位置调整 */
.game-iframe-container:fullscreen .fullscreen-controls,
.game-iframe-container:-webkit-full-screen .fullscreen-controls,
.game-iframe-container:-moz-full-screen .fullscreen-controls,
.game-iframe-container:-ms-fullscreen .fullscreen-controls,
.game-iframe-container.pseudo-fullscreen .fullscreen-controls {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000000;
}

/* 防止全屏时出现滚动条 */
.game-iframe-container:fullscreen,
.game-iframe-container:-webkit-full-screen,
.game-iframe-container:-moz-full-screen,
.game-iframe-container:-ms-fullscreen,
.game-iframe-container.pseudo-fullscreen {
    overflow: hidden;
}

/* iOS Safari 特殊优化 */
@supports (-webkit-touch-callout: none) {
    .game-iframe-container iframe {
        /* iOS上的额外优化 */
        -webkit-overflow-scrolling: touch;
        transform: translateZ(0); /* 启用硬件加速 */
    }
    
    /* iOS 全屏模式优化 */
    .game-iframe-container:fullscreen,
    .game-iframe-container.pseudo-fullscreen {
        /* iOS Safari 全屏时确保完全覆盖 */
        top: 0 !important;
        left: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        padding: 0 !important;
    }
}