/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

/* H5移动端优化 */
html, body {
    height: 100%;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 移动端全局布局修复 */
@media (max-width: 768px) {
    * {
        box-sizing: border-box;
    }

    body {
        width: 100%;
        overflow-x: hidden;
    }

    /* 确保所有容器不会超出屏幕宽度 */
    .container, .nav-container, .content-wrapper, .download-buttons {
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #e3f2fd 0%, #f1f8e9 50%, #fff3e0 100%);
    min-height: 100vh;
}

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

/* 导航栏样式 */
.navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo img {
    height: 40px;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.theme-toggle {
    background: none;
    border: none;
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.theme-toggle:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-dropdown {
    position: relative;
}

.language-btn {
    background: none;
    border: none;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s ease;
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-radius: 12px;
    padding: 8px;
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.language-dropdown:hover .language-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: block;
    padding: 8px 12px;
    text-decoration: none;
    color: #333;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.lang-option:hover,
.lang-option.active {
    background-color: #4fc3f7;
    color: white;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
}

.menu-toggle span {
    width: 20px;
    height: 2px;
    background: #333;
    margin: 2px 0;
    transition: 0.3s;
}

/* 主要内容区域 */
.main-content {
    padding: 80px 0;
}

.main-content .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

/* 手机模拟器样式 */
.phone-mockup {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-frame {
    width: 280px;
    height: 570px;
    background: linear-gradient(145deg, #f0f0f3, #cacace);
    border-radius: 40px;
    padding: 25px;
    box-shadow:
        20px 20px 60px #bebebe,
        -20px -20px 60px #ffffff;
    position: relative;
    display: none;
}

.phone-frame.active {
    display: block;
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 5px;
    background: #333;
    border-radius: 3px;
}

.phone-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 25px;
}

.extension-mockup {
    width: 320px;
    height: 450px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    padding: 20px;
    display: none;
}

.extension-mockup.active {
    display: block;
}

.extension-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
}

/* 下载内容样式 */
.download-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* 平台选择标签 */
.platform-tabs {
    display: flex;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    border-radius: 15px;
    padding: 8px;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.platform-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    background: none;
    border: none;
    border-radius: 10px;
    color: rgba(44, 62, 80, 0.7);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.platform-tab.active {
    background: linear-gradient(135deg, #4fc3f7, #29b6f6);
    color: white;
    box-shadow: 0 4px 15px rgba(79, 195, 247, 0.3);
}

.platform-tab:hover:not(.active) {
    background: rgba(79, 195, 247, 0.1);
    color: rgba(44, 62, 80, 0.9);
}

.platform-icon {
    width: 20px;
    height: 20px;
    filter: brightness(0) invert(1);
}

/* 内容区域 */
.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

.main-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(255, 255, 255, 0.3);
}

.description {
    font-size: 1.1rem;
    color: rgba(44, 62, 80, 0.8);
    margin-bottom: 30px;
    line-height: 1.6;
}

/* 下载按钮 */
.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 18px 24px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(79, 195, 247, 0.3);
    border-radius: 15px;
    color: #2c3e50;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
}

.download-btn:hover {
    background: rgba(79, 195, 247, 0.95);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 195, 247, 0.3);
}

.download-btn img {
    width: 24px;
    height: 24px;
    filter: brightness(0.3);
}

.download-btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.download-btn-text .small {
    font-size: 12px;
    opacity: 0.8;
}

.download-btn-text .large {
    font-size: 16px;
    font-weight: 600;
}

/* 附加下载链接 */
.additional-download {
    margin-bottom: 30px;
}

.download-link {
    color: rgba(44, 62, 80, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.download-link:hover {
    color: #4fc3f7;
}

/* 安全提示 */
.security-tips {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.security-tips h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.tips-list {
    list-style: none;
    margin-bottom: 15px;
}

.tips-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 10px;
    color: rgba(44, 62, 80, 0.8);
    font-size: 14px;
    line-height: 1.5;
}

.check-icon {
    color: #4ade80;
    font-weight: bold;
    min-width: 16px;
}

.security-link {
    color: #60a5fa;
    text-decoration: none;
    margin-left: 5px;
}

.security-link:hover {
    text-decoration: underline;
}

.learn-more {
    color: rgba(44, 62, 80, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.learn-more:hover {
    color: #4fc3f7;
}

/* 版本信息 */
.version-info {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.version-btn,
.security-btn {
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(79, 195, 247, 0.3);
    border-radius: 10px;
    color: rgba(44, 62, 80, 0.8);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.3s ease;
}

.version-btn:hover,
.security-btn:hover {
    background: rgba(79, 195, 247, 0.9);
    color: white;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 15px;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-controls .language-dropdown {
        display: none;
    }

    .main-content {
        padding: 40px 0;
    }

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

    .phone-frame {
        width: 220px;
        height: 450px;
        padding: 20px;
    }

    .extension-mockup {
        width: 260px;
        height: 360px;
        padding: 15px;
    }

    .main-title {
        font-size: 2rem;
    }

    .description {
        font-size: 1rem;
    }

    .download-buttons {
        max-width: 100%;
    }

    .download-btn {
        padding: 15px 20px;
        font-size: 15px;
    }

    .platform-tabs {
        flex-direction: column;
        gap: 4px;
        padding: 6px;
    }

    .platform-tab {
        padding: 10px 12px;
        font-size: 13px;
    }

    .security-tips {
        padding: 15px;
    }

    .version-info {
        flex-direction: column;
        gap: 10px;
    }

    .version-btn,
    .security-btn {
        padding: 8px 12px;
        font-size: 12px;
    }

    /* 特性展示区移动端 */
    .features-section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 40px;
    }

    .feature-card {
        padding: 25px;
    }

    .feature-icon {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }

    .feature-title {
        font-size: 1.2rem;
    }

    .feature-desc {
        font-size: 0.9rem;
    }

    /* 安全保障区移动端 */
    .security-section {
        padding: 50px 0;
    }

    .security-content {
        display: block !important;
        grid-template-columns: unset !important;
        text-align: center;
    }

    .security-info {
        width: 100% !important;
        max-width: 100% !important;
        margin-bottom: 40px;
    }

    .security-info .section-title {
        font-size: 1.8rem;
        margin-bottom: 15px;
        text-align: center;
    }

    .security-info .section-subtitle {
        font-size: 1rem;
        text-align: center;
        margin-bottom: 30px;
        opacity: 0.9;
    }

    .security-features {
        margin: 30px 0;
        text-align: left;
    }

    .security-item {
        display: flex;
        align-items: flex-start;
        gap: 15px;
        margin-bottom: 20px;
        padding: 16px;
        background: rgba(255, 255, 255, 0.08);
        border-radius: 15px;
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .security-icon {
        font-size: 1.8rem;
        min-width: 45px;
        text-align: center;
        margin-top: 3px;
        flex-shrink: 0;
    }

    .security-text {
        flex: 1;
    }

    .security-text h4 {
        font-size: 1.1rem;
        margin-bottom: 6px;
        color: white;
        font-weight: 600;
    }

    .security-text p {
        font-size: 0.9rem;
        line-height: 1.5;
        color: rgba(255, 255, 255, 0.85);
    }

    .security-visual {
        display: none !important;
    }

    .security-section .security-btn {
        width: 100%;
        max-width: 280px;
        margin: 25px auto 0;
        display: block;
        padding: 14px 20px;
        font-size: 0.95rem;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.15);
        border: 1px solid rgba(255, 255, 255, 0.25);
        color: white;
        font-weight: 500;
        transition: all 0.3s ease;
    }

    .security-section .security-btn:hover {
        background: rgba(255, 255, 255, 0.25);
        transform: translateY(-2px);
    }

    /* 页脚移动端 */
    .footer {
        padding: 40px 0 20px;
    }

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

    .footer-logo {
        justify-content: center;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .main-content {
        padding: 30px 0;
    }

    .phone-frame {
        width: 180px;
        height: 360px;
        padding: 15px;
        border-radius: 30px;
    }

    .extension-mockup {
        width: 200px;
        height: 280px;
        padding: 10px;
    }

    .main-title {
        font-size: 1.8rem;
        margin-bottom: 15px;
    }

    .description {
        font-size: 0.9rem;
        margin-bottom: 25px;
    }

    .download-btn {
        padding: 12px 16px;
        font-size: 14px;
        gap: 10px;
    }

    .download-btn img {
        width: 20px;
        height: 20px;
    }

    .download-btn-text .large {
        font-size: 14px;
    }

    .download-btn-text .small {
        font-size: 11px;
    }

    .platform-tab {
        padding: 8px 10px;
        font-size: 12px;
        gap: 6px;
    }

    .platform-icon {
        width: 16px;
        height: 16px;
    }

    /* 安全保障区小屏幕优化 */
    .security-section {
        padding: 40px 0;
    }

    .security-content {
        display: block !important;
        grid-template-columns: unset !important;
    }

    .security-info {
        width: 100% !important;
        max-width: 100% !important;
    }

    .security-visual {
        display: none !important;
    }

    .security-info .section-title {
        font-size: 1.6rem !important;
        margin-bottom: 12px;
    }

    .security-info .section-subtitle {
        font-size: 0.9rem !important;
        margin-bottom: 25px;
    }

    .security-features {
        margin: 25px 0;
    }

    .security-item {
        padding: 14px;
        margin-bottom: 16px;
        border-radius: 12px;
    }

    .security-icon {
        font-size: 1.5rem;
        min-width: 40px;
    }

    .security-text h4 {
        font-size: 1rem;
        margin-bottom: 5px;
    }

    .security-text p {
        font-size: 0.85rem;
        line-height: 1.4;
    }

    .security-shield {
        width: 110px;
        height: 110px;
    }

    .shield-icon {
        font-size: 2.2rem;
    }

    .security-section .security-btn {
        max-width: 260px !important;
        padding: 12px 18px;
        font-size: 0.9rem;
        margin-top: 20px;
    }
}

/* 特性展示区域 */
.features-section {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(15px);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 15px;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(255, 255, 255, 0.3);
}

.section-subtitle {
    font-size: 1.1rem;
    color: rgba(44, 62, 80, 0.7);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(79, 195, 247, 0.2);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.feature-card:hover::before {
    left: 100%;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
}

.feature-desc {
    color: rgba(44, 62, 80, 0.7);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 安全保障区域 */
.security-section {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(15px);
}

.security-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    align-items: center;
}

/* 当visual元素存在且可见时使用两列布局 */
.security-content:has(.security-visual:not([style*="display: none"])) {
    grid-template-columns: 1fr 1fr;
}

/* 后备方案 - 如果不支持:has选择器 */
@supports not (selector(:has(div))) {
    .security-content {
        display: flex;
        flex-direction: column;
        gap: 40px;
    }

    .security-content .security-info {
        width: 100%;
    }

    .security-visual {
        display: none !important;
    }
}

.security-info {
    color: #2c3e50;
}

.security-features {
    margin: 40px 0;
}

.security-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.security-icon {
    font-size: 2rem;
    min-width: 50px;
}

.security-text h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: #2c3e50;
}

.security-text p {
    color: rgba(44, 62, 80, 0.7);
    line-height: 1.6;
}

.security-section .security-btn {
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    margin-top: 20px;
}

.security-section .security-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

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

.security-shield {
    position: relative;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.shield-layers {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shield-layer {
    position: absolute;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: pulse 3s infinite;
}

.layer1 {
    width: 100%;
    height: 100%;
    animation-delay: 0s;
}

.layer2 {
    width: 75%;
    height: 75%;
    top: 12.5%;
    left: 12.5%;
    animation-delay: 1s;
}

.layer3 {
    width: 50%;
    height: 50%;
    top: 25%;
    left: 25%;
    animation-delay: 2s;
}

.shield-icon {
    font-size: 4rem;
    z-index: 1;
    position: relative;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.7;
    }
}

/* 页脚样式 */
.footer {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(15px);
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.footer-logo img {
    width: 40px;
    height: 40px;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* 星空背景动画 */
.stars,
.stars2,
.stars3 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.stars {
    background: transparent url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="0.5" fill="white" opacity="0.8"/></svg>') repeat;
    background-size: 100px 100px;
    animation: moveStars 20s linear infinite;
}

.stars2 {
    background: transparent url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="25" cy="75" r="0.3" fill="white" opacity="0.6"/></svg>') repeat;
    background-size: 80px 80px;
    animation: moveStars 15s linear infinite;
}

.stars3 {
    background: transparent url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="75" cy="25" r="0.2" fill="white" opacity="0.4"/></svg>') repeat;
    background-size: 60px 60px;
    animation: moveStars 10s linear infinite;
}

@keyframes moveStars {
    from {
        transform: translateY(0px);
    }
    to {
        transform: translateY(-100px);
    }
}

/* 加载动画 */
.loading {
    opacity: 0;
    animation: fadeIn 0.6s ease-out forwards;
}

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

/* 工具提示 */
.tooltip {
    position: relative;
    cursor: help;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 1000;
}

.tooltip:hover::after {
    opacity: 1;
}

/* 可访问性 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* FAQ样式 */
.faq-section {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(15px);
}

.faq-content {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(79, 195, 247, 0.2);
    border-radius: 15px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 195, 247, 0.15);
}

.faq-question {
    padding: 20px 25px;
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    cursor: pointer;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: #4fc3f7;
}

.faq-answer {
    padding: 0 25px 20px;
}

.faq-answer p {
    margin: 0;
    line-height: 1.6;
    color: rgba(44, 62, 80, 0.8);
    font-size: 0.95rem;
}

/* 打印样式 */
@media print {
    .navbar,
    .stars,
    .stars2,
    .stars3 {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .main-content {
        background: white;
        color: black;
    }
}