/* CSS变量定义 */
:root {
    /* 主要颜色 */
    --primary: #667eea;
    --primary-dark: #5a67d8;
    --primary-light: #7c88f0;
    --secondary: #f093fb;
    --secondary-dark: #e472f7;
    --accent: #4facfe;
    --accent-dark: #3b82f6;
    
    /* 渐变色 */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-warm: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --gradient-cool: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    --gradient-dark: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    
    /* 文字颜色 */
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-light: #718096;
    --text-white: #ffffff;
    
    /* 背景颜色 */
    --bg-primary: #ffffff;
    --bg-secondary: #f7fafc;
    --bg-accent: #edf2f7;
    --bg-dark: #2d3748;
    
    /* 阴影 */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);
    
    /* 尺寸 */
    --nav-height: 80px;
    --container-max: 1200px;
    --border-radius: 16px;
    --border-radius-lg: 24px;
    
    /* 动画 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

/* 确保所有图片默认可见 */
img {
    opacity: 1 !important;
    visibility: visible !important;
    max-width: 100%;
    height: auto;
}

.container-w4q7 {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

/* 导航栏样式 */
.nav-bar-w4q7 {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 1000;
    transition: var(--transition);
}

.nav-bar-w4q7.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav-container-w4q7 {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand-w4q7 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-icon-w4q7 {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: cover;
    opacity: 1;
    visibility: visible;
}

.brand-text-w4q7 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-menu-w4q7 {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-item-w4q7 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: 50px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.nav-item-w4q7::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.nav-item-w4q7:hover {
    color: var(--text-white);
    transform: translateY(-2px);
}

.nav-item-w4q7:hover::before {
    opacity: 1;
}

.nav-item-w4q7.active {
    color: var(--text-white);
}

.nav-item-w4q7.active::before {
    opacity: 1;
}

/* 移动端菜单 */
.mobile-btn-w4q7 {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.btn-line-w4q7 {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

.mobile-btn-w4q7.active .btn-line-w4q7:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-btn-w4q7.active .btn-line-w4q7:nth-child(2) {
    opacity: 0;
}

.mobile-btn-w4q7.active .btn-line-w4q7:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.mobile-menu-w4q7 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    visibility: hidden;
    opacity: 0;
    transition: var(--transition);
    z-index: 9999;
}

.mobile-menu-w4q7.active {
    visibility: visible;
    opacity: 1;
}

.menu-overlay-w4q7 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
}

.menu-panel-w4q7 {
    position: absolute;
    top: 0;
    right: 0;
    width: 320px;
    height: 100%;
    background: var(--bg-primary);
    box-shadow: var(--shadow-2xl);
    transform: translateX(100%);
    transition: var(--transition);
}

.mobile-menu-w4q7.active .menu-panel-w4q7 {
    transform: translateX(0);
}

.menu-header-w4q7 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2rem;
    border-bottom: 1px solid var(--bg-accent);
}

.menu-title-w4q7 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.menu-close-w4q7 {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.menu-close-w4q7:hover {
    color: var(--primary);
}

.menu-content-w4q7 {
    padding: 1rem;
}

.menu-link-w4q7 {
    display: block;
    padding: 1rem 1.5rem;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: var(--transition);
    margin-bottom: 0.5rem;
}

.menu-link-w4q7:hover {
    background: var(--bg-accent);
    color: var(--primary);
    transform: translateX(8px);
}

/* 主要内容区域 */
.main-wrapper-w4q7 {
    padding-top: var(--nav-height);
}

/* 英雄区域 */
.hero-section-w4q7 {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-bg-w4q7 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    z-index: -2;
}

.hero-particles-w4q7 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.hero-particles-w4q7::before,
.hero-particles-w4q7::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.hero-particles-w4q7::before {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.hero-particles-w4q7::after {
    bottom: 10%;
    right: 10%;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

.hero-content-w4q7 {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--nav-height));
}

.hero-card-w4q7 {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    max-width: 1000px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    box-shadow: var(--shadow-2xl);
    position: relative;
    overflow: hidden;
}

.card-glow-w4q7 {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-accent);
    border-radius: var(--border-radius-lg);
    z-index: -1;
    opacity: 0.5;
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.02);
    }
}

.game-badge-w4q7 {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gradient-warm);
    color: var(--text-white);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.hero-title-w4q7 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle-w4q7 {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-tags-w4q7 {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.tag-chip-w4q7 {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background: var(--gradient-secondary);
    color: var(--text-white);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    animation: slideUp 0.6s ease-out forwards;
    animation-delay: var(--delay);
    opacity: 0;
    transform: translateY(20px);
}

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

.hero-actions-w4q7 {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary-w4q7,
.btn-secondary-w4q7 {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary-w4q7 {
    background: var(--gradient-primary);
    color: var(--text-white);
    box-shadow: var(--shadow-lg);
}

.btn-primary-w4q7:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary-w4q7 {
    background: var(--bg-primary);
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary-w4q7:hover {
    background: var(--primary);
    color: var(--text-white);
    transform: translateY(-3px);
}

.btn-ripple-w4q7 {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: all 0.6s ease;
}

.btn-primary-w4q7:active .btn-ripple-w4q7 {
    width: 300px;
    height: 300px;
}

.hero-visual-w4q7 {
    display: flex;
    justify-content: center;
}

.image-frame-w4q7 {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.cover-image-w4q7 {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
    opacity: 1;
    visibility: visible;
}

.cover-image-w4q7:hover {
    transform: scale(1.05);
}

.frame-glow-w4q7 {
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    background: var(--gradient-accent);
    border-radius: var(--border-radius-lg);
    z-index: -1;
    animation: frameGlow 4s ease-in-out infinite;
}

@keyframes frameGlow {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
}

/* 区域通用样式 */
.intro-section-w4q7,
.guide-section-w4q7,
.download-section-w4q7 {
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.section-bg-w4q7,
.section-bg-w4q7,
.section-bg-w4q7 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.section-bg-w4q7 {
    background: var(--gradient-cool);
}

.section-bg-w4q7 {
    background: var(--gradient-secondary);
}

.section-bg-w4q7 {
    background: var(--gradient-dark);
}

.section-header-w4q7 {
    text-align: center;
    margin-bottom: 4rem;
}

.header-badge-w4q7 {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: var(--text-white);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title-w4q7 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 1rem;
}

.title-decoration-w4q7 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.deco-line-w4q7 {
    width: 60px;
    height: 2px;
    background: var(--text-white);
    opacity: 0.6;
}

.deco-circle-w4q7 {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-white);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.2);
    }
}

/* 介绍区域 */
.intro-content-w4q7 {
    display: grid;
    gap: 3rem;
}

.content-card-w4q7 {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-xl);
}

.card-header-w4q7 {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.header-icon-w4q7 {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.5rem;
}

.card-title-w4q7 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.story-content-w4q7 {
    color: var(--text-secondary);
    line-height: 1.8;
}

.story-content-w4q7 p {
    margin-bottom: 1rem;
}

.story-content-w4q7 h1,
.story-content-w4q7 h2,
.story-content-w4q7 h3 {
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.features-grid-w4q7 {
    margin-top: 2rem;
}

.features-title-w4q7 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white);
    text-align: center;
    margin-bottom: 2rem;
}

.features-list-w4q7 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.feature-item-w4q7 {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    animation: fadeInUp 0.6s ease-out forwards;
    animation-delay: calc(var(--index) * 0.1s);
    opacity: 0;
    transform: translateY(30px);
}

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

.feature-item-w4q7:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon-w4q7 {
    width: 50px;
    height: 50px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.feature-name-w4q7 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.feature-desc-w4q7 {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* 攻略区域 */
.guide-content-w4q7 {
    max-width: 800px;
    margin: 0 auto;
}

.guide-card-w4q7 {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.card-header-w4q7 {
    position: relative;
    padding: 2.5rem;
    text-align: center;
}

.header-pattern-w4q7 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-warm);
    opacity: 0.9;
    z-index: -1;
}

.info-icon-w4q7 {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 2rem;
    margin: 0 auto 1rem;
    backdrop-filter: blur(10px);
}

.info-title-w4q7 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 0.5rem;
}

.info-subtitle-w4q7 {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
}

.card-content-w4q7 {
    padding: 2.5rem;
}

.guide-text-w4q7 {
    color: var(--text-secondary);
    line-height: 1.8;
}

.guide-text-w4q7 p {
    margin-bottom: 1rem;
}

.guide-text-w4q7 h1,
.guide-text-w4q7 h2,
.guide-text-w4q7 h3 {
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.guide-text-w4q7 ul,
.guide-text-w4q7 ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.guide-text-w4q7 li {
    margin-bottom: 0.5rem;
}

.card-footer-w4q7 {
    padding: 1.5rem 2.5rem;
    background: var(--bg-accent);
    text-align: center;
}

.footer-decoration-w4q7 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* 下载区域 */
.download-particles-w4q7 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.download-particles-w4q7::before,
.download-particles-w4q7::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: floatParticle 8s ease-in-out infinite;
}

.download-particles-w4q7::before {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.download-particles-w4q7::after {
    bottom: 20%;
    right: 10%;
    animation-delay: 4s;
}

@keyframes floatParticle {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

.download-content-w4q7 {
    max-width: 900px;
    margin: 0 auto;
}

.download-card-w4q7 {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.card-shine-w4q7 {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shine 4s ease-in-out infinite;
    z-index: -1;
}

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

.download-visual-w4q7 {
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
}

.visual-icon-w4q7 {
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 2.5rem;
    margin: 0 auto 1rem;
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 0 20px rgba(102, 126, 234, 0);
    }
}

.visual-waves-w4q7 {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
}

.wave-w4q7 {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border: 2px solid var(--primary);
    border-radius: 50%;
    opacity: 0;
    animation: waveExpand 3s ease-out infinite;
}

.wave-w4q7:nth-child(2) {
    animation-delay: 1s;
}

.wave-w4q7:nth-child(3) {
    animation-delay: 2s;
}

@keyframes waveExpand {
    0% {
        transform: translate(-50%, -50%) scale(0);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0;
    }
}

.download-title-w4q7 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 1rem;
}

.download-desc-w4q7 {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.download-stats-w4q7 {
    margin-bottom: 2rem;
}

.stat-group-w4q7 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.stat-item-w4q7 {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-accent);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.stat-item-w4q7:hover {
    transform: translateY(-5px);
    background: var(--gradient-cool);
    color: var(--text-white);
}

.stat-item-w4q7 i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.stat-item-w4q7:hover i {
    color: var(--text-white);
}

.stat-item-w4q7 span {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.stat-item-w4q7:hover span {
    color: var(--text-white);
}

.stat-item-w4q7 small {
    color: var(--text-light);
    font-size: 0.875rem;
}

.stat-item-w4q7:hover small {
    color: rgba(255, 255, 255, 0.8);
}

.download-actions-w4q7 {
    text-align: center;
    margin-bottom: 2rem;
}

.download-btn-w4q7 {
    display: inline-block;
    position: relative;
    text-decoration: none;
    border-radius: 60px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-xl);
}

.download-btn-w4q7:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

.btn-background-w4q7 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    z-index: -1;
}

.btn-content-w4q7 {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 3rem;
    color: var(--text-white);
    font-weight: 700;
}

.btn-content-w4q7 i {
    font-size: 1.5rem;
}

.btn-text-w4q7 {
    font-size: 1.25rem;
}

.btn-subtext-w4q7 {
    font-size: 0.875rem;
    opacity: 0.9;
}

.btn-effects-w4q7 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.effect-ripple-w4q7 {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%) scale(0);
    animation: none;
}

.download-btn-w4q7:active .effect-ripple-w4q7 {
    animation: ripple 0.6s ease-out;
}

@keyframes ripple {
    to {
        transform: translate(-50%, -50%) scale(4);
        opacity: 0;
    }
}

.download-notes-w4q7 {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.note-item-w4q7 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.note-item-w4q7 i {
    color: var(--accent);
    font-size: 1rem;
}

/* 页脚 */
.footer-section-w4q7 {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: 3rem 0 2rem;
}

.footer-content-w4q7 {
    text-align: center;
}

.footer-main-w4q7 {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 3rem;
    align-items: start;
    margin-bottom: 2rem;
}

.footer-brand-w4q7 {
    text-align: left;
}

.footer-icon-w4q7 {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    object-fit: cover;
    margin-bottom: 1rem;
    opacity: 1;
    visibility: visible;
}

.footer-title-w4q7 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.footer-desc-w4q7 {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-links-w4q7 {
    text-align: right;
}

.links-title-w4q7 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.links-grid-w4q7 {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.link-item-w4q7 {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
}

.link-item-w4q7:hover {
    color: var(--accent);
}

.footer-bottom-w4q7 {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.copyright-info-w4q7 {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.copyright-text-w4q7 {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.copyright-decoration-w4q7 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent);
    font-size: 0.875rem;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-card-w4q7 {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-visual-w4q7 {
        order: -1;
    }
    
    .stat-group-w4q7 {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .footer-main-w4q7 {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-brand-w4q7,
    .footer-links-w4q7 {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-menu-w4q7 {
        display: none;
    }
    
    .mobile-btn-w4q7 {
        display: flex;
    }
    
    .hero-card-w4q7 {
        padding: 2rem;
        margin: 1rem;
    }
    
    .hero-title-w4q7 {
        font-size: 2.5rem;
    }
    
    .section-title-w4q7 {
        font-size: 2rem;
    }
    
    .features-list-w4q7 {
        grid-template-columns: 1fr;
    }
    
    .download-notes-w4q7 {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .container-w4q7 {
        padding: 0 1rem;
    }
    
    .hero-card-w4q7 {
        padding: 1.5rem;
    }
    
    .hero-title-w4q7 {
        font-size: 2rem;
    }
    
    .hero-actions-w4q7 {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary-w4q7,
    .btn-secondary-w4q7 {
        width: 100%;
        justify-content: center;
    }
    
    .download-card-w4q7 {
        padding: 2rem 1.5rem;
    }
    
    .btn-content-w4q7 {
        padding: 1rem 2rem;
    }
}