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

:root {
    --primary-color: #8B5CF6;
    --secondary-color: #6366F1;
    --accent-color: #3B82F6;
    --gradient-start: #8B5CF6;
    --gradient-mid: #6366F1;
    --gradient-end: #3B82F6;
    --text-white: #ffffff;
    --text-light: rgba(255, 255, 255, 0.9);
    --text-muted: rgba(255, 255, 255, 0.7);
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.3);
    --shadow-sm: 0 4px 15px rgba(139, 92, 246, 0.2);
    --shadow-md: 0 8px 30px rgba(139, 92, 246, 0.25);
    --shadow-lg: 0 15px 50px rgba(139, 92, 246, 0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #8B5CF6 0%, #6366F1 35%, #3B82F6 70%, #06B6D4 100%);
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
    overflow-y: auto;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    animation: backgroundPulse 8s ease-in-out infinite;
}

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

/* 背景装饰层 */
.bg-decoration {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.3) 0%, rgba(99, 102, 241, 0.2) 50%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 400px;
    height: 400px;
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 300px;
    height: 300px;
    bottom: -150px;
    left: -100px;
    animation-delay: 2s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    top: 20%;
    left: 10%;
    animation-delay: 4s;
}

.shape-4 {
    width: 200px;
    height: 200px;
    bottom: 30%;
    right: 15%;
    animation-delay: 6s;
}

.shape-5 {
    width: 350px;
    height: 350px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 8s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.3;
    }
    25% {
        transform: translate(30px, -30px) scale(1.1);
        opacity: 0.4;
    }
    50% {
        transform: translate(-20px, 20px) scale(0.9);
        opacity: 0.5;
    }
    75% {
        transform: translate(20px, 30px) scale(1.05);
        opacity: 0.35;
    }
}


/* 点状背景图案 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.2) 1.5px, transparent 1.5px);
    background-size: 50px 50px;
    background-position: 0 0;
    pointer-events: none;
    z-index: 1;
    animation: dotMove 30s linear infinite;
}

@keyframes dotMove {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 50px 50px;
    }
}

.container {
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
    z-index: 2;
    position: relative;
}

.download-card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.2) 0%, 
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.18) 100%);
    backdrop-filter: blur(35px);
    -webkit-backdrop-filter: blur(35px);
    border-radius: 42px;
    border: 2.5px solid rgba(255, 255, 255, 0.4);
    box-shadow: 
        0 20px 60px rgba(139, 92, 246, 0.4),
        0 10px 30px rgba(99, 102, 241, 0.3),
        inset 0 2px 0 rgba(255, 255, 255, 0.5),
        inset 0 -2px 0 rgba(139, 92, 246, 0.2),
        0 0 80px rgba(139, 92, 246, 0.3);
    overflow: hidden;
    animation: fadeInUp 0.8s ease-out;
    position: relative;
}

.download-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(139, 92, 246, 0.6), 
        rgba(99, 102, 241, 0.6),
        rgba(139, 92, 246, 0.6),
        transparent);
    animation: shimmer 3s ease-in-out infinite;
}

.download-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
    pointer-events: none;
}

@keyframes shimmer {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

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

/* Logo区域 */
.logo-section {
    text-align: center;
    padding: 35px 25px 25px;
    background: linear-gradient(180deg, 
        rgba(255, 255, 255, 0.3) 0%, 
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.1) 100%);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    position: relative;
    overflow: hidden;
}

.logo-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 30% 30%, rgba(139, 92, 246, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(99, 102, 241, 0.2) 0%, transparent 50%);
    animation: rotate 15s linear infinite;
    pointer-events: none;
}

.logo-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        transparent 50%,
        rgba(139, 92, 246, 0.05) 100%);
    pointer-events: none;
}

.logo-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    border-radius: 4px;
}

.app-icon-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 12px;
}

.icon-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140px;
    height: 140px;
    background: radial-gradient(circle, 
        rgba(139, 92, 246, 0.5) 0%, 
        rgba(99, 102, 241, 0.4) 30%,
        rgba(59, 130, 246, 0.3) 60%,
        transparent 80%);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
    z-index: -1;
    filter: blur(8px);
}

.icon-glow::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 160px;
    height: 160px;
    background: radial-gradient(circle, 
        rgba(255, 255, 255, 0.2) 0%, 
        transparent 60%);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite;
    animation-delay: 1.5s;
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.8;
    }
}

.app-icon {
    position: relative;
    display: inline-block;
    animation: iconFloat 4s ease-in-out infinite;
    filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.3));
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-10px) rotate(-2deg);
    }
    50% {
        transform: translateY(-15px) rotate(0deg);
    }
    75% {
        transform: translateY(-10px) rotate(2deg);
    }
}

.app-name {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--text-white);
    text-shadow: 
        0 4px 15px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(139, 92, 246, 0.5),
        0 0 50px rgba(99, 102, 241, 0.3);
    letter-spacing: 1.5px;
    animation: fadeIn 1s ease-out 0.2s both;
    position: relative;
    display: inline-block;
}

.app-name::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.6), 
        transparent);
    border-radius: 3px;
    animation: expandWidth 1s ease-out 0.8s both;
}

@keyframes expandWidth {
    from {
        width: 0;
        opacity: 0;
    }
    to {
        width: 60px;
        opacity: 1;
    }
}

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

.app-description {
    font-size: 13px;
    color: var(--text-light);
    font-weight: 400;
    margin-bottom: 10px;
    line-height: 1.5;
    animation: fadeIn 1s ease-out 0.4s both;
}

.app-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.3) 0%, 
        rgba(255, 255, 255, 0.2) 100%);
    backdrop-filter: blur(12px);
    border-radius: 22px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    font-size: 13px;
    color: var(--text-white);
    animation: fadeIn 1s ease-out 0.6s both;
    box-shadow: 
        0 4px 15px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.5),
        0 0 25px rgba(139, 92, 246, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.app-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
}

.app-badge:hover::before {
    left: 100%;
}

.app-badge:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 6px 20px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.6),
        0 0 35px rgba(139, 92, 246, 0.4);
}

.badge-icon {
    font-size: 16px;
    animation: rotate 2s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* 统计数据区域 */
.stats-section {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 20px 25px;
    background: linear-gradient(90deg, 
        rgba(255, 255, 255, 0.08) 0%, 
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.08) 100%);
    backdrop-filter: blur(15px);
    border-top: 1px solid rgba(255, 255, 255, 0.25);
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: slideAcross 4s ease-in-out infinite;
}

@keyframes slideAcross {
    0% {
        left: -100%;
    }
    50%, 100% {
        left: 100%;
    }
}

.stat-item {
    text-align: center;
    flex: 1;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-2px);
}

.stat-number {
    font-size: 26px;
    font-weight: 800;
    color: var(--text-white);
    text-shadow: 
        0 2px 10px rgba(0, 0, 0, 0.3),
        0 0 25px rgba(139, 92, 246, 0.5),
        0 0 40px rgba(99, 102, 241, 0.3);
    margin-bottom: 4px;
    line-height: 1;
    position: relative;
    display: inline-block;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 32px;
    background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

/* 主内容区域 */
.main-content {
    padding: 20px 25px;
    background: rgba(255, 255, 255, 0.05);
}

/* 应用亮点 */
.highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.15) 0%, 
        rgba(255, 255, 255, 0.1) 100%);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.highlight-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.highlight-item:hover::before {
    left: 100%;
}

.highlight-item:hover {
    transform: translateY(-4px) scale(1.02);
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.22) 0%, 
        rgba(255, 255, 255, 0.15) 100%);
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.2),
        0 0 30px rgba(139, 92, 246, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

.highlight-icon-wrapper {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.35) 0%, 
        rgba(255, 255, 255, 0.25) 100%);
    border-radius: 16px;
    flex-shrink: 0;
    box-shadow: 
        0 6px 18px rgba(0, 0, 0, 0.15),
        inset 0 2px 0 rgba(255, 255, 255, 0.5),
        inset 0 -1px 0 rgba(139, 92, 246, 0.2),
        0 0 25px rgba(139, 92, 246, 0.2);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.highlight-icon-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    animation: rotate 3s linear infinite;
    opacity: 0;
    transition: opacity 0.3s;
}

.highlight-item:hover .highlight-icon-wrapper::before {
    opacity: 1;
}

.highlight-item:hover .highlight-icon-wrapper {
    transform: scale(1.15) rotate(8deg);
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.2),
        inset 0 2px 0 rgba(255, 255, 255, 0.6),
        inset 0 -1px 0 rgba(139, 92, 246, 0.3),
        0 0 35px rgba(139, 92, 246, 0.5),
        0 0 50px rgba(99, 102, 241, 0.3);
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.45) 0%, 
        rgba(255, 255, 255, 0.35) 100%);
}

.highlight-icon {
    width: 28px;
    height: 28px;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.2));
    transition: all 0.3s ease;
}

.highlight-item:hover .highlight-icon {
    transform: scale(1.1);
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}

.highlight-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}

.highlight-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-white);
}

.highlight-desc {
    font-size: 11px;
    color: var(--text-muted);
}

/* 下载按钮区域 */
.download-section {
    margin-bottom: 20px;
}

.download-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-white);
    text-align: center;
    margin-bottom: 8px;
    text-shadow: 
        0 2px 10px rgba(0, 0, 0, 0.3),
        0 0 25px rgba(139, 92, 246, 0.4),
        0 0 40px rgba(99, 102, 241, 0.2);
    position: relative;
    display: inline-block;
    width: 100%;
    letter-spacing: 0.5px;
}


.download-subtitle {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 18px;
}

.platform-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.platform-buttons.all-platforms {
    display: flex;
}

.download-btn {
    display: flex;
    align-items: center;
    padding: 18px 22px;
    border-radius: 20px;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.3) 0%, 
        rgba(255, 255, 255, 0.2) 100%);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 2px solid rgba(255, 255, 255, 0.5);
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.6),
        0 0 40px rgba(139, 92, 246, 0.2);
    position: relative;
    overflow: hidden;
}

.download-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.4) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    pointer-events: none;
}

.download-btn:hover::after {
    width: 350px;
    height: 350px;
}

.download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    transition: left 0.6s;
}

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

.download-btn:hover {
    transform: translateY(-5px) scale(1.03);
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.4) 0%, 
        rgba(255, 255, 255, 0.3) 100%);
    box-shadow: 
        0 12px 35px rgba(0, 0, 0, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.7),
        0 0 50px rgba(139, 92, 246, 0.4);
    border-color: rgba(255, 255, 255, 0.7);
}

.download-btn:active {
    transform: translateY(-2px) scale(1);
}

.android-btn,
.ios-btn {
    color: var(--text-white);
}

.btn-icon-wrapper {
    width: 54px;
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.3) 0%, 
        rgba(255, 255, 255, 0.2) 100%);
    border-radius: 14px;
    margin-right: 16px;
    flex-shrink: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
    position: relative;
    z-index: 1;
}

.download-btn:hover .btn-icon-wrapper {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.4) 0%, 
        rgba(255, 255, 255, 0.3) 100%);
    transform: scale(1.15) rotate(8deg);
    box-shadow: 
        0 6px 18px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.5),
        0 0 25px rgba(139, 92, 246, 0.5);
}

.btn-icon {
    width: 28px;
    height: 28px;
    opacity: 0.95;
}

.btn-content {
    display: flex;
    flex-direction: column;
    text-align: left;
    flex: 1;
}

.btn-text {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-white);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.btn-subtext {
    font-size: 13px;
    opacity: 0.85;
    font-weight: 400;
    color: var(--text-light);
}

.btn-arrow {
    font-size: 24px;
    opacity: 0.7;
    transition: all 0.3s ease;
    margin-left: 10px;
}

.download-btn:hover .btn-arrow {
    opacity: 1;
    transform: translateX(5px);
}

/* 二维码区域 */
.qr-section {
    margin-top: 25px;
    padding-top: 25px;
    border-top: 2px solid rgba(255, 255, 255, 0.25);
    position: relative;
}

.qr-section::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(139, 92, 246, 0.6), 
        rgba(99, 102, 241, 0.6),
        rgba(139, 92, 246, 0.6),
        transparent);
    border-radius: 2px;
}

.qr-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 18px;
    position: relative;
}

.qr-header::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    border-radius: 2px;
}

.qr-icon {
    font-size: 20px;
}

.qr-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-white);
}

.qr-container {
    display: flex;
    justify-content: center;
    gap: 25px;
}

.qr-item {
    text-align: center;
}

.qr-code-wrapper {
    position: relative;
    margin-bottom: 12px;
}

.qr-code-wrapper::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.3), rgba(99, 102, 241, 0.3), rgba(59, 130, 246, 0.3));
    border-radius: 24px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.qr-code-wrapper:hover::before {
    opacity: 1;
    animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}


.qr-code {
    width: 110px;
    height: 110px;
    margin: 0 auto;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.3) 0%, 
        rgba(255, 255, 255, 0.2) 50%,
        rgba(139, 92, 246, 0.25) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    box-shadow: 
        0 10px 30px rgba(139, 92, 246, 0.35),
        0 5px 15px rgba(99, 102, 241, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.6),
        inset 0 -1px 0 rgba(139, 92, 246, 0.25),
        0 0 40px rgba(139, 92, 246, 0.2);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.qr-code::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, 
        rgba(139, 92, 246, 0.4), 
        rgba(99, 102, 241, 0.4),
        rgba(59, 130, 246, 0.4));
    border-radius: 24px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.qr-code:hover::before {
    opacity: 1;
    animation: glowPulse 2s ease-in-out infinite;
}

.qr-code:hover {
    transform: scale(1.12) translateY(-10px);
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.4) 0%, 
        rgba(255, 255, 255, 0.3) 50%,
        rgba(139, 92, 246, 0.35) 100%);
    box-shadow: 
        0 15px 40px rgba(139, 92, 246, 0.5),
        0 8px 20px rgba(99, 102, 241, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.7),
        inset 0 -1px 0 rgba(139, 92, 246, 0.3),
        0 0 60px rgba(139, 92, 246, 0.4);
    border-color: rgba(255, 255, 255, 0.7);
}

.qr-shine {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, 
        transparent 0%, 
        rgba(139, 92, 246, 0.3) 20%,
        rgba(255, 255, 255, 0.5) 50%,
        rgba(99, 102, 241, 0.3) 80%,
        transparent 100%);
    animation: shine 3s infinite;
    pointer-events: none;
    opacity: 0.7;
    filter: blur(2px);
}

@keyframes shine {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.qr-code canvas {
    width: 100% !important;
    height: 100% !important;
    border-radius: 12px;
    background: transparent;
    display: block;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    filter: drop-shadow(0 2px 6px rgba(139, 92, 246, 0.25));
}

.qr-label {
    font-size: 13px;
    color: var(--text-white);
    font-weight: 600;
    text-shadow: 
        0 2px 8px rgba(139, 92, 246, 0.5),
        0 0 15px rgba(99, 102, 241, 0.3);
    padding: 6px 14px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.2) 0%, 
        rgba(255, 255, 255, 0.15) 100%);
    backdrop-filter: blur(10px);
    border-radius: 14px;
    display: inline-block;
    margin-top: 6px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.3),
        0 0 20px rgba(139, 92, 246, 0.2);
    position: relative;
    overflow: hidden;
}

.qr-label::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.qr-item:hover .qr-label::before {
    left: 100%;
}

.qr-item:hover .qr-label {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.3) 0%, 
        rgba(255, 255, 255, 0.22) 100%);
    transform: translateY(-3px);
    box-shadow: 
        0 6px 18px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        0 0 30px rgba(139, 92, 246, 0.4);
    border-color: rgba(255, 255, 255, 0.4);
}

/* 响应式设计 */
@media (max-width: 480px) {
    body {
        padding: 15px;
    }
    
    .download-card {
        border-radius: 32px;
    }
    
    .logo-section {
        padding: 25px 20px 15px;
    }
    
    .app-name {
        font-size: 24px;
    }
    
    .app-description {
        font-size: 12px;
    }
    
    .stats-section {
        padding: 15px 20px;
    }
    
    .stat-number {
        font-size: 20px;
    }
    
    .stat-label {
        font-size: 11px;
    }
    
    .main-content {
        padding: 18px 20px;
    }
    
    .highlights {
        gap: 12px;
    }
    
    .highlight-item {
        padding: 12px;
    }
    
    .highlight-icon-wrapper {
        width: 42px;
        height: 42px;
    }
    
    .highlight-icon {
        font-size: 20px;
    }
    
    .highlight-title {
        font-size: 13px;
    }
    
    .highlight-desc {
        font-size: 10px;
    }
    
    .download-title {
        font-size: 18px;
    }
    
    .download-btn {
        padding: 14px 18px;
    }
    
    .btn-icon-wrapper {
        width: 45px;
        height: 45px;
        margin-right: 14px;
    }
    
    .btn-text {
        font-size: 16px;
    }
    
    .btn-subtext {
        font-size: 12px;
    }
    
    .qr-container {
        gap: 25px;
    }
    
    .qr-code {
        width: 115px;
        height: 115px;
    }
}