/* 冬日狂想曲 - 全新现代化冬日主题 */

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 新极光冬境配色（与旧版明显不同） */
    --primary-blue: #0ea5e9;      /* 冰湖青蓝 */
    --secondary-blue: #22d3ee;    /* 冰晶青 */
    --accent-blue: #a78bfa;       /* 极光紫 */
    --light-blue: #67e8f9;        /* 薄荷青 */
    --primary-white: #f6f9ff;     /* 霜白 */
    --accent-white: #ffffff;      /* 纯白 */
    --primary-silver: #d9e3f0;    /* 雾银 */
    --accent-silver: #eef4fb;     /* 雪银 */
    --primary-ice: #cffafe;       /* 冰透蓝 */
    --accent-ice: #ecfeff;        /* 薄冰蓝 */
    --primary-crystal: #e9d5ff;   /* 晶紫 */
    --accent-crystal: #ede9fe;    /* 霓紫 */
    --dark-bg: #0a1020;           /* 冬夜蓝黑 */
    --darker-bg: #060913;         /* 极夜色 */
    --card-bg: rgba(34, 211, 238, 0.08);
    --text-primary: #f5f7ff;
    --text-secondary: #c9d3e6;
    --text-muted: #9aa6bd;
    --border-color: #22d3ee;
    --success-green: #14b8a6;
    --warning-orange: #fb923c;
    --error-red: #f87171;
    
    /* 现代化阴影系统 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* 现代化圆角 */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* 现代化字体 */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Poppins', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* 现代化动画 */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* 现代化间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
}

/* 全局样式 */
html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    background: radial-gradient(1200px 800px at 10% 10%, rgba(167,139,250,0.15), transparent 60%),
                radial-gradient(1000px 700px at 90% 20%, rgba(34,211,238,0.12), transparent 50%),
                linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
    font-size: 1rem;
    font-weight: 400;
}

/* 现代化背景动画 */
.winter-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
    background:
        radial-gradient(600px 300px at 15% 85%, rgba(103,232,249,0.18), transparent 60%),
        radial-gradient(500px 350px at 80% 25%, rgba(167,139,250,0.14), transparent 55%),
        radial-gradient(400px 400px at 50% 50%, rgba(34,211,238,0.08), transparent 65%);
    animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% {
        transform: scale(1) rotate(0deg);
    }
    50% {
        transform: scale(1.05) rotate(1deg);
    }
}

.snowfall {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.snowflake {
    position: absolute;
    width: 3px;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-white), var(--primary-ice));
    border-radius: 50%;
    opacity: 0.8;
    animation: snowfall 10s linear infinite;
    box-shadow: 0 0 6px rgba(255, 255, 255, 0.8);
}

.snowflake:nth-child(2n) {
    width: 6px;
    height: 6px;
    animation-duration: 12s;
    animation-delay: -2s;
}

.snowflake:nth-child(3n) {
    width: 3px;
    height: 3px;
    animation-duration: 8s;
    animation-delay: -4s;
}

@keyframes snowfall {
    0% {
        transform: translateY(-10px) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.8;
    }
    90% {
        opacity: 0.8;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

/* 现代化导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(6, 9, 19, 0.9);
    backdrop-filter: saturate(140%) blur(14px);
    border-bottom: 1px solid rgba(34, 211, 238, 0.25);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    padding: 0;
    height: 80px;
    display: flex;
    align-items: center;
    transition: all var(--transition-normal);
    border-image: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.3), transparent) 1;
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.98);
    box-shadow: var(--shadow-xl);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--spacing-xl);
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    position: relative;
    transition: all var(--transition-normal);
}

.logo-image {
    width: 40px;
    height: 40px;
    margin-right: var(--spacing-sm);
    object-fit: contain;
    transition: all var(--transition-normal);
    filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.5));
}

.logo-text {
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.logo:hover {
    transform: scale(1.05);
}

.logo:hover .logo-image {
    filter: drop-shadow(0 0 15px rgba(59, 130, 246, 0.8));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.95rem;
    overflow: hidden;
    backdrop-filter: blur(6px);
}

.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--secondary-blue));
    transition: all var(--transition-normal);
    transform: translateX(-50%);
    border-radius: 1px;
}

.nav-menu a:hover::before {
    width: 80%;
}

.nav-menu a:hover {
    color: var(--text-primary);
    background: rgba(59, 130, 246, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.nav-menu a.active {
    color: var(--secondary-blue);
    background: rgba(59, 130, 246, 0.15);
}

.nav-menu i {
    font-size: 1rem;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.hamburger {
    width: 24px;
    height: 18px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hamburger span {
    width: 100%;
    height: 2px;
    background: var(--secondary-blue);
    border-radius: 1px;
    transition: all var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* 现代化英雄区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(160deg, rgba(34,211,238,0.06) 0%, rgba(167,139,250,0.06) 100%);
    padding: var(--spacing-4xl) 0;
    position: relative;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(147, 197, 253, 0.08) 0%, transparent 40%);
    animation: heroPulse 15s ease-in-out infinite;
    z-index: -1;
}

@keyframes heroPulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.02); }
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 70%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(219, 234, 254, 0.05) 0%, transparent 50%);
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, 
        rgba(59, 130, 246, 0.05) 0%, 
        transparent 70%);
    animation: heroGlow 8s ease-in-out infinite;
    z-index: -1;
}

@keyframes heroGlow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    position: relative;
    z-index: 1;
    transform: translateZ(0);
    transition: transform var(--transition-slow);
}

.hero-container.parallax {
    transform: translateZ(-50px);
}

.hero-content {
    animation: slideInFromLeft 1s ease-out;
}

.hero-title {
    margin-bottom: var(--spacing-2xl);
    text-align: left;
}

.title-main {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-blue), var(--secondary-blue), var(--light-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    line-height: 1.1;
    animation: titleGlow 3s ease-in-out infinite;
    position: relative;
}

.title-main::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--secondary-blue), var(--accent-blue), transparent);
    border-radius: 1px;
    animation: titleUnderline 3s ease-in-out infinite;
}

@keyframes titleUnderline {
    0%, 100% { width: 0%; opacity: 0; }
    50% { width: 100%; opacity: 1; }
}

.title-sub {
    display: block;
    font-size: clamp(1rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    font-family: var(--font-primary);
    font-weight: 400;
    opacity: 0.8;
}

@keyframes titleGlow {
    0%, 100% { 
        filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.3));
    }
    50% { 
        filter: drop-shadow(0 0 30px rgba(59, 130, 246, 0.6));
    }
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
    max-width: 500px;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    font-family: var(--font-primary);
    backdrop-filter: blur(10px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-blue));
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(59, 130, 246, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 2px solid var(--secondary-blue);
    backdrop-filter: blur(10px);
}

.btn-primary:hover,
.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-blue), var(--secondary-blue));
}

.btn-secondary:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--accent-blue);
}

.btn-primary small {
    font-size: 0.75rem;
    opacity: 0.8;
    margin-top: 2px;
    font-weight: 400;
}

.hero-features {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.feature-tag {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.feature-tag:hover {
    background: rgba(59, 130, 246, 0.2);
    transform: translateY(-2px) scale(1.05);
    border-color: var(--accent-blue);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.feature-tag i {
    color: var(--secondary-blue);
    font-size: 1rem;
}

/* 现代化视频区域 */
.hero-video-section {
    animation: slideInFromRight 1s ease-out 0.3s both;
}

.video-container {
    background: rgba(8, 12, 26, 0.82);
    border: 1px solid rgba(34, 211, 238, 0.28);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    backdrop-filter: blur(20px);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xl);
}

.video-container:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--accent-blue);
}

.video-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.video-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-blue);
    margin-bottom: var(--spacing-sm);
}

.video-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 400;
}

.video-player {
    position: relative;
}

.video-frame {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
}

.demo-video {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
}

.video-frame:hover .demo-video {
    transform: scale(1.02);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all var(--transition-normal);
}

.video-frame:hover .video-overlay {
    opacity: 1;
}

.video-play-button {
    width: 60px;
    height: 60px;
    background: rgba(59, 130, 246, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.5rem;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.video-play-button:hover {
    background: var(--secondary-blue);
    transform: scale(1.1);
}

.video-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.video-stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.video-stat:hover {
    background: rgba(59, 130, 246, 0.2);
    transform: translateY(-2px);
    border-color: var(--accent-blue);
}

.video-stat i {
    color: var(--secondary-blue);
    font-size: 1.25rem;
}

.video-stat span {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

/* 现代化滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    animation: fadeIn 2s ease-out 1s both;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.scroll-indicator:hover {
    color: var(--secondary-blue);
    transform: translateX(-50%) scale(1.1);
}

.scroll-arrow {
    width: 50px;
    height: 50px;
    border: 2px solid var(--secondary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: scrollBounce 2s ease-in-out infinite;
    background: rgba(59, 130, 246, 0.1);
    backdrop-filter: blur(10px);
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

/* 现代化容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--secondary-blue);
    margin-bottom: var(--spacing-lg);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--secondary-blue), transparent);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
    font-weight: 400;
}

/* 现代化游戏玩法区域 */
.gameplay-section {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--dark-bg) 0%, rgba(59, 130, 246, 0.05) 100%);
}

.gameplay-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-4xl);
}

.gameplay-card {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    animation: scaleIn 0.6s ease-out;
    animation-fill-mode: both;
}

.gameplay-card:nth-child(1) { animation-delay: 0.1s; }
.gameplay-card:nth-child(2) { animation-delay: 0.2s; }
.gameplay-card:nth-child(3) { animation-delay: 0.3s; }
.gameplay-card:nth-child(4) { animation-delay: 0.4s; }
.gameplay-card:nth-child(5) { animation-delay: 0.5s; }
.gameplay-card:nth-child(6) { animation-delay: 0.6s; }

.gameplay-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: all var(--transition-normal);
}

.gameplay-card:hover::before {
    opacity: 1;
}

.gameplay-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.gameplay-card:hover::after {
    transform: translateX(100%);
}

.gameplay-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--accent-blue);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.card-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s;
}

.gameplay-card:hover .card-icon::before {
    transform: translateX(100%);
}

.card-icon i {
    font-size: 2rem;
    color: var(--text-primary);
}

.card-content h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-blue);
    margin-bottom: var(--spacing-md);
}

.card-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-weight: 400;
}

/* 现代化游戏截图区域 */
.screenshots-section {
    padding: var(--spacing-4xl) 0;
    background: var(--dark-bg);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-4xl);
}

.screenshot-item {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-normal);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.screenshot-item:nth-child(1) { animation-delay: 0.1s; }
.screenshot-item:nth-child(2) { animation-delay: 0.2s; }
.screenshot-item:nth-child(3) { animation-delay: 0.3s; }
.screenshot-item:nth-child(4) { animation-delay: 0.4s; }
.screenshot-item:nth-child(5) { animation-delay: 0.5s; }
.screenshot-item:nth-child(6) { animation-delay: 0.6s; }

.screenshot-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--accent-blue);
}

.screenshot-image {
    position: relative;
    overflow: hidden;
}

.screenshot-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: all var(--transition-normal);
}

.screenshot-item:hover .screenshot-image img {
    transform: scale(1.1);
}

.screenshot-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all var(--transition-normal);
}

.screenshot-item:hover .screenshot-overlay {
    opacity: 1;
}

.screenshot-overlay i {
    color: var(--text-primary);
    font-size: 2rem;
}

.screenshot-info {
    padding: var(--spacing-xl);
}

.screenshot-info h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary-blue);
    margin-bottom: var(--spacing-sm);
}

.screenshot-info p {
    color: var(--text-secondary);
    line-height: 1.5;
    font-weight: 400;
}

/* 现代化角色介绍区域 */
.characters-section {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, var(--dark-bg) 100%);
}

.characters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-4xl);
}

.character-card {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    animation: scaleIn 0.8s ease-out;
    animation-fill-mode: both;
}

.character-card:nth-child(1) { animation-delay: 0.1s; }
.character-card:nth-child(2) { animation-delay: 0.2s; }
.character-card:nth-child(3) { animation-delay: 0.3s; }

.character-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--accent-blue);
}

.character-avatar {
    flex-shrink: 0;
}

.avatar-pixel {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-blue));
    border-radius: 50%;
    position: relative;
    animation: avatarPulse 3s ease-in-out infinite;
    box-shadow: var(--shadow-lg);
}

.avatar-pixel::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: var(--text-primary);
    border-radius: 50%;
    opacity: 0.8;
}

.avatar-pixel.mage {
    background: linear-gradient(135deg, #8b5cf6, #a855f7);
}

.avatar-pixel.mage::before {
    background: #e9d5ff;
}

.avatar-pixel.archer {
    background: linear-gradient(135deg, #10b981, #059669);
}

.avatar-pixel.warrior {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

@keyframes avatarPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.character-info {
    flex: 1;
}

.character-info h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-blue);
    margin-bottom: var(--spacing-sm);
}

.character-info p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    font-weight: 400;
}

.character-stats {
    display: flex;
    gap: var(--spacing-md);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm);
    background: rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-lg);
    min-width: 80px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 4px;
    font-weight: 500;
}

.stat-value {
    font-weight: 700;
    color: var(--secondary-blue);
    font-size: 1.125rem;
}

/* 现代化下载区域 */
.download-section {
    padding: var(--spacing-4xl) 0;
    background: var(--dark-bg);
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.download-info h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary-blue);
    margin-bottom: var(--spacing-md);
}

.download-info p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-2xl);
    font-weight: 400;
}

.requirements {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
}

.requirements h4 {
    color: var(--secondary-blue);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.requirement-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
    font-weight: 400;
}

.requirement-item:hover {
    color: var(--text-primary);
}

.requirement-item i {
    color: var(--secondary-blue);
    font-size: 1.125rem;
    width: 20px;
}

.requirement-item span {
    font-size: 0.875rem;
}

.download-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.download-option {
    background: rgba(8, 12, 26, 0.82);
    border: 1px solid rgba(34, 211, 238, 0.28);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.download-option:nth-child(1) { animation-delay: 0.1s; }
.download-option:nth-child(2) { animation-delay: 0.2s; }

.download-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: all var(--transition-normal);
}

.download-option:hover::before {
    opacity: 1;
}

.download-option::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.download-option:hover::after {
    transform: translateX(100%);
}

.download-option:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--accent-blue);
}

.option-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    overflow: hidden;
    position: relative;
}

.option-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s;
}

.download-option:hover .option-icon::before {
    transform: translateX(100%);
}

.option-icon i {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.option-content h4 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary-blue);
    margin-bottom: var(--spacing-sm);
}

.option-desc {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 400;
}

.download-option.mobile {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(59, 130, 246, 0.1) 100%);
}

.download-option.mobile:hover {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(59, 130, 246, 0.2) 100%);
}

.download-option.mobile .option-icon {
    background: linear-gradient(135deg, #10b981, #059669);
}

/* 下载按钮样式 */
.download-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    min-width: 140px;
    justify-content: center;
}

.download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s;
}

.download-btn:hover::before {
    transform: translateX(100%);
}

.download-btn.primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--secondary-blue));
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.download-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-blue));
}

.download-btn.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.download-btn.secondary:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--secondary-blue);
    border-color: var(--accent-blue);
    transform: translateY(-1px);
}

.download-btn i {
    font-size: 1rem;
}

.download-btn span {
    font-weight: 600;
}

.download-btn small {
    font-size: 0.75rem;
    opacity: 0.8;
    font-weight: 400;
}

/* 移动端下载按钮适配 */
@media (max-width: 768px) {
    .download-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .download-btn {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-lg);
        font-size: 1rem;
    }
    
    .download-btn.primary {
        order: 1;
    }
    
    .download-btn.secondary {
        order: 2;
    }
}

/* 现代化页脚 */
.footer {
    background: var(--darker-bg);
    border-top: 1px solid rgba(59, 130, 246, 0.2);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h3 {
    color: var(--secondary-blue);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    font-weight: 400;
}

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

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

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-normal);
    font-weight: 400;
}

.footer-section a:hover {
    color: var(--secondary-blue);
}

.footer-section:last-child ul {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-section:last-child ul li {
    margin-bottom: 0;
}

.footer-section:last-child ul li a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-section:last-child ul li a:hover {
    transform: translateY(-2px);
}

.footer-section:last-child ul li a::before {
    content: '';
    width: 0;
    height: 2px;
    background: var(--secondary-blue);
    transition: all var(--transition-normal);
}

.footer-bottom {
    border-top: 1px solid rgba(59, 130, 246, 0.3);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom p {
    color: var(--text-muted);
    margin: 0;
    font-weight: 400;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: all var(--transition-normal);
    font-weight: 400;
}

.footer-links a:hover {
    color: var(--secondary-blue);
}

/* 友情链接特殊样式 */
.friend-links li a {
    position: relative;
    padding-left: var(--spacing-sm);
    transition: all var(--transition-normal);
}

.friend-links li a::before {
    content: '🔗';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    opacity: 0.7;
    transition: all var(--transition-normal);
}

.friend-links li a:hover::before {
    opacity: 1;
    transform: translateY(-50%) scale(1.2);
}

.friend-links li a:hover {
    color: var(--secondary-blue);
    transform: translateX(5px);
    padding-left: var(--spacing-md);
}

/* 友情链接响应式设计 */
@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-xl);
    }
    
    .friend-links li a {
        padding-left: var(--spacing-md);
    }
    
    .friend-links li a::before {
        left: 0;
    }
}

/* 现代化返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    background: var(--secondary-blue);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(59, 130, 246, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.back-to-top:hover {
    background: var(--accent-blue);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

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

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* 现代化加载状态 */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.2), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* 现代化响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-xl);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu a {
        padding: var(--spacing-md);
        border-radius: var(--radius-lg);
        margin-bottom: var(--spacing-sm);
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .download-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .gameplay-grid,
    .screenshots-grid,
    .characters-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero {
        padding: var(--spacing-2xl) 0;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .video-stats {
        grid-template-columns: 1fr;
    }
}

/* 法律页面美化样式 */
.page-header {
    background: linear-gradient(135deg, var(--darker-bg) 0%, rgba(59, 130, 246, 0.1) 100%);
    padding: var(--spacing-4xl) 0 var(--spacing-3xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="snow" x="0" y="0" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23snow)"/></svg>');
    opacity: 0.3;
    animation: backgroundShift 20s linear infinite;
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    color: var(--secondary-blue);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 0 20px rgba(74, 144, 226, 0.5);
    position: relative;
    z-index: 2;
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.last-updated {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(59, 130, 246, 0.1);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: var(--text-secondary);
    font-size: 0.875rem;
    position: relative;
    z-index: 2;
}

.last-updated i {
    color: var(--accent-blue);
}

.legal-content {
    padding: var(--spacing-4xl) 0;
    background: var(--bg-color);
    min-height: 60vh;
}

.legal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.legal-section {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-normal);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
    position: relative;
    overflow: hidden;
}

.legal-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: all var(--transition-normal);
}

.legal-section:hover::before {
    opacity: 1;
}

.legal-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.05) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.legal-section:hover::after {
    transform: translateX(100%);
}

.legal-section:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--accent-blue);
}

.legal-section h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-blue);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    z-index: 2;
}

.legal-section h2 i {
    font-size: 1.25rem;
    color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.1);
    padding: var(--spacing-sm);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.legal-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    font-size: 1rem;
    position: relative;
    z-index: 2;
}

.legal-section ul {
    list-style: none;
    padding: 0;
    position: relative;
    z-index: 2;
}

.legal-section ul li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.6;
    padding: var(--spacing-sm);
    background: rgba(59, 130, 246, 0.05);
    border-radius: var(--radius-lg);
    border-left: 3px solid transparent;
    transition: all var(--transition-normal);
}

.legal-section ul li:hover {
    background: rgba(59, 130, 246, 0.1);
    border-left-color: var(--accent-blue);
    transform: translateX(5px);
}

.legal-section ul li i {
    color: var(--accent-blue);
    font-size: 0.875rem;
    margin-top: 2px;
    flex-shrink: 0;
    width: 16px;
    text-align: center;
}

/* 法律页面响应式设计 */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .legal-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .legal-section {
        padding: var(--spacing-xl);
    }
    
    .legal-section h2 {
        font-size: 1.25rem;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .legal-section h2 i {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    }
    
    .page-header h1 {
        font-size: 1.75rem;
    }
    
    .legal-section {
        padding: var(--spacing-lg);
    }
    
    .legal-section ul li {
        padding: var(--spacing-sm);
        font-size: 0.875rem;
    }
}

/* 隐私政策页面样式 */
.privacy-content {
    padding: var(--spacing-4xl) 0;
    background: var(--bg-color);
    min-height: 60vh;
}

.policy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.policy-section {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-normal);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
    position: relative;
    overflow: hidden;
}

.policy-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: all var(--transition-normal);
}

.policy-section:hover::before {
    opacity: 1;
}

.policy-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.05) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.policy-section:hover::after {
    transform: translateX(100%);
}

.policy-section:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--accent-blue);
}

.policy-section h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-blue);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    z-index: 2;
}

.policy-section h2 i {
    font-size: 1.25rem;
    color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.1);
    padding: var(--spacing-sm);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.policy-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    font-size: 1rem;
    position: relative;
    z-index: 2;
}

.policy-section ul {
    list-style: none;
    padding: 0;
    position: relative;
    z-index: 2;
}

.policy-section ul li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.6;
    padding: var(--spacing-sm);
    background: rgba(59, 130, 246, 0.05);
    border-radius: var(--radius-lg);
    border-left: 3px solid transparent;
    transition: all var(--transition-normal);
}

.policy-section ul li:hover {
    background: rgba(59, 130, 246, 0.1);
    border-left-color: var(--accent-blue);
    transform: translateX(5px);
}

.policy-section ul li i {
    color: var(--accent-blue);
    font-size: 0.875rem;
    margin-top: 2px;
    flex-shrink: 0;
    width: 16px;
    text-align: center;
}

/* 隐私政策页面响应式设计 */
@media (max-width: 768px) {
    .policy-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .policy-section {
        padding: var(--spacing-xl);
    }
    
    .policy-section h2 {
        font-size: 1.25rem;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .policy-section h2 i {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .policy-section {
        padding: var(--spacing-lg);
    }
    
    .policy-section ul li {
        padding: var(--spacing-sm);
        font-size: 0.875rem;
    }
}

/* 攻略页面样式 */
.guide-content {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
}

.guide-grid {
    display: grid;
    gap: var(--spacing-2xl);
}

.guide-section {
    background: rgba(30, 58, 138, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.guide-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
    opacity: 0;
    transition: all var(--transition-normal);
}

.guide-section:hover::before {
    opacity: 1;
}

.guide-section::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 2px;
    height: 0;
    background: linear-gradient(180deg, var(--secondary-blue), var(--accent-blue));
    transition: all var(--transition-normal);
}

.guide-section:hover::after {
    height: 100%;
}

.guide-section:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(59, 130, 246, 0.4);
}

.guide-section h2 {
    color: var(--secondary-blue);
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.guide-section h2 i {
    font-size: 1.5rem;
    color: var(--accent-blue);
}

.guide-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    font-size: 1.05rem;
}

/* 技能推荐样式 */
.skill-recommendations {
    margin-bottom: var(--spacing-xl);
}

.skill-recommendations h3 {
    color: var(--accent-blue);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.skill-item {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-normal);
}

.skill-item:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateX(5px);
}

.skill-item h4 {
    color: var(--secondary-blue);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.skill-item p {
    color: var(--text-secondary);
    margin-bottom: 0;
    font-size: 1rem;
}

.skill-tips {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.skill-tips h3 {
    color: var(--success-green);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.skill-tips ul {
    list-style: none;
    padding: 0;
}

.skill-tips ul li {
    color: var(--text-secondary);
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    line-height: 1.6;
}

.skill-tips ul li::before {
    content: '💡';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.9rem;
}

/* 角色攻略样式 */
.character-guide h3 {
    color: var(--accent-blue);
    font-size: 1.25rem;
    font-weight: 600;
    margin: var(--spacing-lg) 0 var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid rgba(59, 130, 246, 0.3);
}

.character-guide h3:first-child {
    margin-top: 0;
}

.character-guide p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.character-guide ul {
    list-style: none;
    padding: 0;
    margin-bottom: var(--spacing-md);
}

.character-guide ul li {
    color: var(--text-secondary);
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    line-height: 1.6;
}

.character-guide ul li::before {
    content: '🎯';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.9rem;
}

/* 任务步骤样式 */
.task-step {
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-normal);
}

.task-step:hover {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.25);
    transform: translateX(3px);
}

.task-step h4 {
    color: var(--secondary-blue);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.task-step h4::before {
    content: '📋';
    font-size: 1rem;
}

.task-step p {
    color: var(--text-secondary);
    margin-bottom: 0;
    line-height: 1.6;
}

.task-step ul {
    list-style: none;
    padding: 0;
    margin-top: var(--spacing-sm);
}

.task-step ul li {
    color: var(--text-secondary);
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    line-height: 1.6;
}

.task-step ul li::before {
    content: '📍';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
}

/* 攻略页面响应式设计 */
@media (max-width: 768px) {
    .guide-section {
        padding: var(--spacing-xl);
    }
    
    .guide-section h2 {
        font-size: 1.5rem;
    }
    
    .skill-item,
    .task-step {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .guide-content {
        padding: var(--spacing-2xl) 0;
    }
    
    .guide-section {
        padding: var(--spacing-lg);
    }
    
    .guide-section h2 {
        font-size: 1.25rem;
    }
    
    .skill-item,
    .task-step {
        padding: var(--spacing-sm);
    }
    
    .character-guide ul li,
    .skill-tips ul li {
        padding-left: var(--spacing-md);
    }
}

/* 攻略图片样式 */
.guide-image {
    margin: var(--spacing-lg) 0;
    text-align: center;
}

.guide-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    border: 2px solid rgba(59, 130, 246, 0.2);
}

.guide-image:hover img {
    transform: scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: rgba(59, 130, 246, 0.4);
}

.image-caption {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: var(--spacing-sm);
    font-style: italic;
    text-align: center;
}

/* 技能图片样式 */
.skill-image {
    margin: var(--spacing-md) 0;
    text-align: center;
}

.skill-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.skill-image:hover img {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
    border-color: rgba(59, 130, 246, 0.4);
}

/* 图片网格样式 */
.guide-images-grid,
.skill-images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.guide-image-item,
.skill-image-item {
    text-align: center;
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
}

.guide-image-item:hover,
.skill-image-item:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.guide-image-item img,
.skill-image-item img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.guide-image-item:hover img,
.skill-image-item:hover img {
    transform: scale(1.03);
    box-shadow: var(--shadow-lg);
}

.guide-image-item .image-caption,
.skill-image-item .image-caption {
    margin-top: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
}

/* 图片响应式设计 */
@media (max-width: 768px) {
    .guide-images-grid,
    .skill-images-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }
    
    .guide-image,
    .skill-image {
        margin: var(--spacing-md) 0;
    }
}

@media (max-width: 480px) {
    .guide-images-grid,
    .skill-images-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .guide-image-item,
    .skill-image-item {
        padding: var(--spacing-sm);
    }
}