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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.nav-logo h1 {
    font-size: 24px;
    font-weight: 600;
    color: #2d7ef5;
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #2d7ef5;
}

/* Hero区域样式 */
.hero-section {
    padding-top: 60px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

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

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    color: #2d7ef5;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #666;
    margin-bottom: 24px;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.8;
}

/* 平台支持样式 */
.platform-support {
    margin-bottom: 40px;
}

.platform-support h3 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 20px;
    font-weight: 600;
}

.platform-icons {
    display: flex;
    gap: 32px;
}

.platform-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.platform-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    object-fit: contain;
    padding: 8px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.platform-item span {
    font-size: 14px;
    color: #666;
    font-weight: 500;
}

/* 按钮样式 */
.hero-actions {
    display: flex;
    gap: 16px;
}

.btn-primary, .btn-secondary, .btn-download {
    padding: 14px 32px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: #2d7ef5;
    color: white;
}

.btn-primary:hover {
    background: #2468d6;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(45, 126, 245, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #2d7ef5;
    border: 2px solid #2d7ef5;
}

.btn-secondary:hover {
    background: #2d7ef5;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(45, 126, 245, 0.3);
}

/* 手机模型样式 */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease-out 0.3s both;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: #333;
    border-radius: 30px;
    padding: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.phone-desktop {
    padding: 16px;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* 状态栏 */
.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
    font-size: 12px;
    font-weight: 600;
}

.time {
    font-size: 14px;
    font-weight: 700;
}

.status-indicators {
    display: flex;
    gap: 8px;
    align-items: center;
}

.signal, .battery {
    font-size: 10px;
}

/* Widget区域 */
.widget-area {
    margin-top: 20px;
}

.whispure-widget {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: widgetPulse 3s ease-in-out infinite;
}

.widget-header {
    margin-bottom: 8px;
}

.widget-title {
    font-size: 14px;
    font-weight: 700;
    color: #2d7ef5;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

.widget-content {

}

.widget-message {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    color: white;
}

.emoji {
    font-size: 20px;
    flex-shrink: 0;
}

.message-text {
    flex: 1;
}

.sender {
    font-size: 10px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2px;
}

.content {
    font-size: 9px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.3;
}

.timestamp {
    font-size: 8px;
    color: rgba(255, 255, 255, 0.6);
    align-self: flex-start;
}

/* 应用图标网格 */
.app-grid {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 16px;
    margin: 20px 0;
}

.app-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.app-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.2s ease;
}

.app-icon:hover {
    transform: scale(1.1);
}

.app-icon.blue { background: rgba(45, 126, 245, 0.3); }
.app-icon.green { background: rgba(52, 199, 89, 0.3); }
.app-icon.red { background: rgba(255, 59, 48, 0.3); }
.app-icon.purple { background: rgba(175, 82, 222, 0.3); }
.app-icon.orange { background: rgba(255, 149, 0, 0.3); }
.app-icon.pink { background: rgba(255, 45, 85, 0.3); }
.app-icon.cyan { background: rgba(50, 173, 230, 0.3); }
.app-icon.yellow { background: rgba(255, 204, 0, 0.3); }
.app-icon.indigo { background: rgba(88, 86, 214, 0.3); }
.app-icon.teal { background: rgba(48, 176, 199, 0.3); }
.app-icon.brown { background: rgba(162, 132, 94, 0.3); }
.app-icon.gray { background: rgba(142, 142, 147, 0.3); }

/* 底部Dock */
.dock {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.dock-icon {
    width: 44px;
    height: 44px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: transform 0.2s ease;
}

.dock-icon:hover {
    transform: scale(1.1);
}

.dock-icon.primary {
    background: rgba(45, 126, 245, 0.3);
}

@keyframes widgetPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 4px 20px rgba(45, 126, 245, 0.2);
    }
    50% {
        transform: scale(1.02);
        box-shadow: 0 8px 30px rgba(45, 126, 245, 0.4);
    }
}

/* 功能特色区域 */
.features-section {
    padding: 100px 0;
    background: #fff;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    text-align: center;
    padding: 40px 30px;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
}

.feature-icon.secure {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.feature-icon.fast {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.feature-icon.cross-platform {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.feature-icon::before {
    color: white;
}

.feature-icon.secure::before {
    content: '🔒';
}

.feature-icon.fast::before {
    content: '⚡';
}

.feature-icon.cross-platform::before {
    content: '🔄';
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 16px;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* 下载区域 */
.download-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.download-section .section-title {
    color: white;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 60px;
}

.download-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.download-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.download-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.15);
}

.download-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    border-radius: 20px;
    object-fit: contain;
    padding: 16px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
}

.download-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: white;
}

.download-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 24px;
    line-height: 1.6;
}

.btn-download {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-download:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn-download.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-download.disabled:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: none;
    box-shadow: none;
}

/* 关于Whispure区域 */
.about-section {
    padding: 100px 0;
    background: #fff;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
}

.about-text > p {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 40px;
}

.inspiration-section {
    margin-top: 40px;
}

.inspiration-section h4 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 16px;
    position: relative;
}

.inspiration-section h4::before {
    content: '💡';
    margin-right: 8px;
}

.inspiration-section p {
    font-size: 1rem;
    color: #666;
    line-height: 1.8;
    padding: 20px;
    background: linear-gradient(135deg, rgba(45, 126, 245, 0.05) 0%, rgba(45, 126, 245, 0.02) 100%);
    border-left: 4px solid #2d7ef5;
    border-radius: 8px;
    font-style: italic;
}

.about-features {
    margin-bottom: 50px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 30px;
}

.feature-item .feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: linear-gradient(135deg, #2d7ef5 0%, #2468d6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.feature-info h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.feature-info p {
    color: #666;
    line-height: 1.6;
}

.about-stats {
    display: flex;
    gap: 40px;
}

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

.stat-item h4 {
    font-size: 2rem;
    font-weight: 700;
    color: #2d7ef5;
    margin-bottom: 8px;
}

.stat-item p {
    color: #666;
    font-size: 0.9rem;
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-image {
    width: 300px;
    height: 400px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.floating-message {
    position: absolute;
    background: #2d7ef5;
    color: white;
    padding: 12px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    animation: float 3s ease-in-out infinite;
    box-shadow: 0 8px 25px rgba(45, 126, 245, 0.3);
}

.floating-message::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 20px;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid #2d7ef5;
}

.msg-1 {
    top: 60px;
    left: 30px;
    animation-delay: 0s;
}

.msg-2 {
    top: 180px;
    right: 30px;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    animation-delay: 1s;
}

.msg-2::before {
    border-top-color: rgba(255, 255, 255, 0.9);
    right: 20px;
    left: auto;
}

.msg-3 {
    bottom: 80px;
    left: 40px;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
        opacity: 1;
    }
    50% {
        transform: translateY(-10px);
        opacity: 0.8;
    }
}

/* 隐私声明区域 */
.privacy-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.privacy-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.privacy-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(45, 126, 245, 0.1);
}

.privacy-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(45, 126, 245, 0.15);
}

.privacy-icon {
    font-size: 48px;
    margin-bottom: 24px;
    opacity: 0.9;
}

.privacy-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
}

.privacy-card p {
    color: #666;
    line-height: 1.8;
    font-size: 1rem;
}

.privacy-notice {
    background: rgba(45, 126, 245, 0.05);
    border: 1px solid rgba(45, 126, 245, 0.2);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    margin-top: 40px;
}

.privacy-notice p {
    color: #555;
    font-size: 1.1rem;
    line-height: 1.8;
    margin: 0;
}

.privacy-notice strong {
    color: #2d7ef5;
    font-weight: 600;
}

/* 页脚样式 */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 40px;
    text-align: center;
}

.footer-logo h3 {
    font-size: 1.8rem;
    color: #2d7ef5;
    margin-bottom: 12px;
}

.footer-logo p {
    color: #bdc3c7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: white;
}

.footer-column a {
    display: block;
    color: #bdc3c7;
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: #2d7ef5;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid #34495e;
    text-align: center;
    color: #bdc3c7;
}

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

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

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar {
        padding: 0 10px;
    }

    .nav-container {
        padding: 0 10px;
    }

    .nav-menu {
        display: none;
    }

    .logo-icon {
        width: 28px;
        height: 28px;
    }

    .nav-logo h1 {
        font-size: 20px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
        padding: 60px 10px;
    }

    .hero-title {
        font-size: 2.2rem;
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-description {
        font-size: 1rem;
        margin-bottom: 30px;
    }

    .platform-icons {
        justify-content: center;
        gap: 20px;
    }

    .hero-actions {
        justify-content: center;
        flex-wrap: wrap;
        gap: 12px;
    }

    .btn-primary, .btn-secondary {
        padding: 12px 24px;
        font-size: 14px;
        width: 100%;
        max-width: 200px;
    }

    .phone-mockup {
        width: min(280px, 80vw);
        height: min(560px, 70vh);
        max-width: 280px;
    }

    .app-icon {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

    .dock-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }

    .whispure-widget {
        padding: 8px;
    }

    .widget-title {
        font-size: 12px;
    }

    .emoji {
        font-size: 16px;
    }

    .sender {
        font-size: 8px;
    }

    .content {
        font-size: 7px;
    }

    .timestamp {
        font-size: 6px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .download-options {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-section {
        padding: 60px 0;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .about-text h3 {
        font-size: 1.5rem;
    }

    .about-text > p {
        font-size: 1rem;
        margin-bottom: 30px;
    }

    .inspiration-section {
        margin-top: 30px;
    }

    .inspiration-section h4 {
        font-size: 1.2rem;
    }

    .inspiration-section p {
        font-size: 0.9rem;
        padding: 16px;
    }

    .about-features {
        margin-bottom: 40px;
    }

    .feature-item {
        margin-bottom: 24px;
    }

    .feature-item .feature-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .feature-info h4 {
        font-size: 1.1rem;
    }

    .feature-info p {
        font-size: 0.9rem;
    }

    .about-stats {
        justify-content: center;
        flex-wrap: wrap;
        gap: 20px;
    }

    .stat-item h4 {
        font-size: 1.6rem;
    }

    .about-image {
        width: min(280px, 80vw);
        height: min(350px, 50vh);
        max-width: 280px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 40px;
    }

    .container {
        padding: 0 10px;
    }

    .download-section {
        padding: 60px 0;
    }

    .download-options {
        gap: 20px;
    }

    .download-card {
        padding: 30px 20px;
    }

    .download-card h3 {
        font-size: 1.3rem;
    }

    .download-card p {
        font-size: 0.9rem;
    }

    .btn-download {
        padding: 10px 20px;
        font-size: 14px;
    }

    .privacy-section {
        padding: 60px 0;
    }

    .privacy-content {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 40px;
    }

    .privacy-card {
        padding: 30px 20px;
    }

    .privacy-card h3 {
        font-size: 1.3rem;
    }

    .privacy-card p {
        font-size: 0.9rem;
    }

    .privacy-notice {
        padding: 20px;
        margin-top: 30px;
    }

    .privacy-notice p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-description {
        font-size: 0.9rem;
    }

    .platform-icons {
        gap: 16px;
    }

    .platform-icon {
        width: 36px;
        height: 36px;
        padding: 4px;
    }

    .btn-primary, .btn-secondary {
        padding: 10px 20px;
        font-size: 13px;
        max-width: 180px;
    }

    .phone-mockup {
        width: min(220px, 75vw);
        height: min(440px, 60vh);
        max-width: 220px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .about-text h3 {
        font-size: 1.3rem;
    }

    .inspiration-section h4 {
        font-size: 1.1rem;
    }

    .inspiration-section p {
        font-size: 0.85rem;
        padding: 12px;
    }

    .about-image {
        width: min(240px, 75vw);
        height: min(300px, 45vh);
    }

    .nav-logo h1 {
        font-size: 18px;
    }

    .logo-icon {
        width: 24px;
        height: 24px;
    }

    .download-card {
        padding: 24px 16px;
    }

    .download-card h3 {
        font-size: 1.2rem;
    }

    .download-card p {
        font-size: 0.85rem;
        margin-bottom: 20px;
    }

    .btn-download {
        padding: 8px 16px;
        font-size: 13px;
    }

    .privacy-icon {
        font-size: 36px;
        margin-bottom: 20px;
    }

    .privacy-card {
        padding: 24px 16px;
    }

    .privacy-card h3 {
        font-size: 1.2rem;
    }

    .privacy-card p {
        font-size: 0.85rem;
    }

    .privacy-notice {
        padding: 16px;
    }

    .privacy-notice p {
        font-size: 0.9rem;
    }

    .app-icon {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }

    .dock-icon {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

    .app-grid {
        gap: 12px;
        margin: 16px 0;
    }

    .app-row {
        gap: 8px;
    }

    .dock {
        gap: 16px;
        padding: 8px;
    }

    .whispure-widget {
        padding: 6px;
    }

    .about-stats {
        gap: 20px;
    }

    .stat-item h4 {
        font-size: 1.5rem;
    }

    .about-image {
        width: 250px;
        height: 320px;
    }

    .floating-message {
        padding: 10px 16px;
        font-size: 12px;
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 选中文本颜色 */
::selection {
    background: rgba(45, 126, 245, 0.2);
    color: #333;
}