/* 页面基础样式 */
body {
    margin: 0;
    padding: 0;
    background: #fff;
    font-family: 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

/* 页眉样式适配 header/nav 语义化标签 */
header.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-sizing: border-box;
    padding: 0 40px;
    border-bottom: 1px solid #f0f0f0;
    background: #fff;
    z-index: 1000;
}

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

main {
    width: 100%;
}

/* 主内容区紧贴 header，无间距 */
.main-content {
    margin-top: 70px;
}

/* logo 区域样式 */
.logo {
    height: 48px;
    display: flex;
    align-items: center;
}

/* logo 图片，按高度 48px 显示，宽度自适应 */
.logo img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

/* 导航栏布局 */
.nav {
    display: flex;
    gap: 32px;
}

/* 导航按钮样式 */
.nav a {
    text-decoration: none;
    color: #222;
    font-size: 18px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 4px;
    transition: background 0.2s, color 0.2s;
}

/* 导航按钮悬停效果 */
.nav a:hover {
    background: #f5f5f5;
    color: #007aff;
}

/* 导航按钮选中（active）状态样式 */
.nav a.active {
    background: #007aff;
    color: #fff;
}

/* 首页图片容器，用于定位文字覆盖层 */
.home-image-container {
    position: relative;
    display: block;
    width: 100%;
    height: auto;
}

/* 首页内容图片，撑满容器 */
.home-img {
    display: block;
    width: 100%;
    height: auto;
}

/* 首页文字覆盖层，位于图片的10%宽度和75%高度位置 */
.home-text-overlay {
    position: absolute;
    top: 75%;
    left: 10%;
    max-width: 400px;
    color: rgb(27, 44, 63);
    padding: 20px;
    transform: translateY(-50%);
}

.home-text-overlay p {
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
    text-align: justify;
    text-indent: 0;
    font-weight: 400;
}

/* 首页标题样式 */
.home-title {
    margin: 0 0 16px 0;
    font-size: 36px;
    font-family: 'Microsoft YaHei', '微软雅黑', sans-serif;
    color: rgb(19, 36, 56);
    font-weight: bold;
    line-height: 1.2;
}

/* 首页描述文字样式 */
.home-description {
    margin: 0;
    font-size: 14px;
    font-family: 'Microsoft YaHei', '微软雅黑', sans-serif;
    color: rgb(19, 36, 56);
    line-height: 1.6;
    text-align: justify;
    text-indent: 0;
    font-weight: 400;
}

/* 公司简介 banner 图片，宽度撑满屏幕 */
.banner-img {
    width: 100vw;
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* 公司简介标题样式，加粗并上下横线 */
.company-title {
    font-size: 2rem;
    font-weight: bold;
    text-align: center;
    margin: 32px 0 24px 0;
    padding: 12px 0;
    border-top: 2px solid #e0e0e0;
    border-bottom: 2px solid #e0e0e0;
    width: 60%;
    margin-left: auto;
    margin-right: auto;
    letter-spacing: 2px;
}

/* 公司简介小标题样式 */
.company-subtitle {
    font-size: 1.3rem;
    font-weight: bold;
    color: #222;
    margin: 32px 0 16px 0;
    text-align: left;
    border-left: 4px solid #e0e0e0;
    padding-left: 12px;
    letter-spacing: 1px;
}

/* 公司简介正文样式 */
.company-content {
    font-size: 1.1rem;
    line-height: 2;
    color: #333;
    max-width: 800px;
    margin: 0 auto 40px auto;
    padding: 0 16px;
    text-align: justify;
}

.company-content p {
    text-indent: 2em;
    margin: 0 0 1em 0;
}

/* 公司简介插图样式 */
.company-img {
    display: block;
    max-width: 90%;
    height: auto;
    margin: 24px auto 32px auto;
}

/* 页脚样式 */
.footer {
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
    color: #666;
    font-size: 0.9rem;
    line-height: 2;
    border-top: 1px solid #f0f0f0;
    background: #fff;
}

/* 响应式：手机模式下布局调整 */
@media (max-width: 600px) {
    header.header {
        position: static;
        flex-direction: column;
        align-items: flex-start;
        height: auto;
        padding: 0 16px;
    }

    .logo {
        height: 48px;
        margin: 12px 0 0 0;
    }

    nav.nav {
        width: 100%;
        justify-content: flex-start;
        gap: 0;
        margin-top: 8px;
        border-top: 1px solid #f0f0f0;
        padding-top: 8px;
        margin-bottom: 8px;
    }

    .nav a {
        font-size: 16px;
        padding: 8px 0;
        margin-right: 0;
        border-radius: 4px;
        flex: 1 1 0;
        text-align: center;
        min-width: 0;
        box-sizing: border-box;
        display: inline-block;
    }

    .main-content {
        margin-top: 0;
        width: 100%;
        box-sizing: border-box;
        padding: 0;
    }

    .home-img {
        max-width: 90vw;
        width: auto;
        height: auto;
        margin: 24px auto 24px auto;
        object-fit: contain;
    }

    /* 移动端首页图片容器样式调整 */
    .home-image-container {
        width: 100%;
        margin: 0;
    }

    /* 移动端首页图片样式调整 */
    .home-img {
        width: 100%;
        height: auto;
        margin: 0;
    }

    /* 移动端文字覆盖层样式调整 */
    .home-text-overlay {
        position: absolute;
        top: 75%;
        left: 10%;
        right: 10%;
        max-width: none;
        padding: 15px;
        font-size: 12px;
        line-height: 1.5;
        color: rgb(27, 44, 63);
        transform: translateY(-50%);
    }

    .banner-img {
        width: 100vw;
        max-width: 100vw;
        height: auto;
        display: block;
        margin: 0 auto;
        object-fit: contain;
    }
}

/* 团队介绍样式 */
.team-intro {
    max-width: 800px;
    margin: 0 auto 40px auto;
    padding: 0 16px;
    text-align: center;
}

.team-intro p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #666;
    margin: 0;
    font-style: italic;
}

/* 团队成员容器 */
.team-members-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 16px;
}

/* 团队成员介绍样式 */
.team-member {
    display: flex;
    align-items: center;
    gap: 32px;
    margin: 60px auto;
    padding: 32px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.team-member::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #007aff, #5856d6);
}

.team-member:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.member-avatar {
    flex-shrink: 0;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid #f8f9fa;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    position: relative;
}

.member-avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.member-avatar:hover .avatar-img {
    transform: scale(1.1);
}

.member-info {
    flex: 1;
    min-width: 0;
}

.member-name {
    font-size: 1.6rem;
    font-weight: 700;
    color: #2c3e50;
    margin: 0 0 12px 0;
    position: relative;
}

.member-name::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #007aff, #5856d6);
    border-radius: 2px;
}

.member-title {
    font-size: 1.2rem;
    color: #007aff;
    margin: 0 0 20px 0;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.member-description {
    font-size: 1rem;
    line-height: 1.8;
    color: #555;
    margin: 0;
    text-align: justify;
    text-indent: 2em;
}

/* 第二个团队成员样式（文字在左，头像在右） */
.team-member-reverse {
    flex-direction: row-reverse;
}

/* 团队成员介绍响应式样式 */
@media (max-width: 600px) {
    .team-intro {
        margin-bottom: 24px;
    }
    
    .team-intro p {
        font-size: 1rem;
    }
    
    .team-members-container {
        padding: 0 8px;
    }
    
    .team-member {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 20px;
        margin: 32px auto;
        padding: 24px 16px;
    }
    
    .team-member-reverse {
        flex-direction: column;
    }

    .member-avatar {
        width: 120px;
        height: 120px;
    }

    .member-name {
        font-size: 1.4rem;
    }
    
    .member-name::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .member-title {
        font-size: 1.1rem;
        margin-bottom: 16px;
    }

    .member-description {
        font-size: 0.95rem;
        line-height: 1.6;
    }
}

/* 公司简介页面优化样式 */
.company-overview {
    max-width: 1200px;
    margin: 0 auto 60px auto;
    padding: 0 16px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.overview-card {
    background: #fff;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.overview-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #007aff, #5856d6);
}

.overview-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

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

.overview-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2c3e50;
    margin: 0 0 16px 0;
    position: relative;
}

.overview-card h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 3px;
    background: linear-gradient(90deg, #007aff, #5856d6);
    border-radius: 2px;
}

.overview-card p {
    font-size: 1rem;
    line-height: 1.8;
    color: #555;
    margin: 0;
    text-align: justify;
}

/* 投资策略部分 */
.strategy-section {
    max-width: 1200px;
    margin: 0 auto 60px auto;
    padding: 0 16px;
}

.strategy-header {
    text-align: center;
    margin-bottom: 48px;
}

.strategy-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #2c3e50;
    margin: 0 0 16px 0;
    position: relative;
}

.strategy-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #007aff, #5856d6);
    border-radius: 2px;
}

.strategy-subtitle {
    font-size: 1.2rem;
    color: #666;
    margin: 0;
    font-style: italic;
}

.strategy-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.strategy-card {
    background: #fff;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.strategy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #007aff, #5856d6);
}

.strategy-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.strategy-number {
    font-size: 3rem;
    font-weight: 900;
    color: #007aff;
    opacity: 0.2;
    position: absolute;
    top: 20px;
    right: 20px;
    line-height: 1;
}

.strategy-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2c3e50;
    margin: 0 0 16px 0;
    position: relative;
}

.strategy-card h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 3px;
    background: linear-gradient(90deg, #007aff, #5856d6);
    border-radius: 2px;
}

.strategy-card p {
    font-size: 1rem;
    line-height: 1.8;
    color: #555;
    margin: 0;
    text-align: justify;
    text-indent: 2em;
}

.strategy-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.strategy-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.strategy-img:hover {
    transform: scale(1.02);
}

/* 管理特色部分 */
.features-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
}

.feature-card {
    background: #fff;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #007aff, #5856d6);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

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

.feature-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2c3e50;
    margin: 0 0 16px 0;
    position: relative;
}

.feature-card h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 3px;
    background: linear-gradient(90deg, #007aff, #5856d6);
    border-radius: 2px;
}

.feature-card p {
    font-size: 1rem;
    line-height: 1.8;
    color: #555;
    margin: 0;
    text-align: justify;
    text-indent: 2em;
}

/* 公司简介页面响应式样式 */
@media (max-width: 600px) {
    .company-overview {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-bottom: 40px;
    }
    
    .overview-card {
        padding: 24px 20px;
    }
    
    .overview-icon {
        font-size: 2.5rem;
    }
    
    .strategy-cards {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-bottom: 32px;
    }
    
    .strategy-card {
        padding: 24px 20px;
    }
    
    .strategy-number {
        font-size: 2.5rem;
        top: 16px;
        right: 16px;
    }
    
    .strategy-title {
        font-size: 1.8rem;
    }
    
    .strategy-subtitle {
        font-size: 1.1rem;
    }
    
    .strategy-images {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .features-section {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .feature-card {
        padding: 24px 20px;
    }
    
    .feature-icon {
        font-size: 2.5rem;
    }
}

/* 下载页面样式 */
.download-intro {
    max-width: 800px;
    margin: 0 auto 40px auto;
    padding: 0 16px;
    text-align: center;
}

.download-intro p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #666;
    margin: 0;
    font-style: italic;
}

.download-section {
    max-width: 1200px;
    margin: 0 auto 60px auto;
    padding: 0 16px;
}

.download-section-title {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    text-align: center;
    margin: 0 0 40px 0;
    position: relative;
}

.download-section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #007aff, #5856d6);
    border-radius: 2px;
}

.download-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.download-card {
    background: #fff;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.download-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #007aff, #5856d6);
}

.download-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.download-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    display: block;
}

.download-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: #2c3e50;
    margin: 0 0 12px 0;
    position: relative;
}

.download-card h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #007aff, #5856d6);
    border-radius: 2px;
}

.version-info {
    font-size: 1rem;
    color: #666;
    margin: 0 0 24px 0;
    font-weight: 500;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    min-width: 160px;
    justify-content: center;
}

.android-btn {
    background: linear-gradient(135deg, #3ddc84, #2bb673);
    color: #fff;
}

.android-btn:hover {
    background: linear-gradient(135deg, #2bb673, #1e8e5a);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(61, 220, 132, 0.3);
}

.ios-btn {
    background: linear-gradient(135deg, #007aff, #5856d6);
    color: #fff;
}

.ios-btn:hover {
    background: linear-gradient(135deg, #5856d6, #3d4db8);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 122, 255, 0.3);
}

.windows-btn {
    background: linear-gradient(135deg, #0078d4, #106ebe);
    color: #fff;
}

.windows-btn:hover {
    background: linear-gradient(135deg, #106ebe, #0d5a9a);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 120, 212, 0.3);
}

.macos-btn {
    background: linear-gradient(135deg, #000000, #333333);
    color: #fff;
}

.macos-btn:hover {
    background: linear-gradient(135deg, #333333, #555555);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.btn-icon {
    font-size: 1.2rem;
}

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

.qr-img {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.qr-code p {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}

.system-requirements {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #f0f0f0;
}

.system-requirements p {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}

/* 更新日志样式 */
.changelog-section {
    max-width: 1200px;
    margin: 0 auto 60px auto;
    padding: 0 16px;
}

.changelog-container {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.changelog-item {
    padding: 32px;
    border-bottom: 1px solid #f0f0f0;
}

.changelog-item:last-child {
    border-bottom: none;
}

.changelog-item h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2c3e50;
    margin: 0 0 16px 0;
    position: relative;
}

.changelog-item h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #007aff, #5856d6);
    border-radius: 2px;
}

.changelog-item ul {
    margin: 0;
    padding-left: 20px;
}

.changelog-item li {
    font-size: 1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 8px;
}

/* 技术支持样式 */
.support-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

.support-content {
    background: #fff;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.support-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin: 0 0 24px 0;
}

.support-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.support-info p {
    font-size: 1rem;
    color: #666;
    margin: 0;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #007aff;
}

.support-info a {
    color: #007aff;
    text-decoration: none;
}

.support-info a:hover {
    text-decoration: underline;
}

/* 下载页面响应式样式 */
@media (max-width: 600px) {
    .download-intro p {
        font-size: 1.1rem;
    }
    
    .download-cards {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .download-card {
        padding: 24px 20px;
    }
    
    .download-icon {
        font-size: 3rem;
    }
    
    .download-card h3 {
        font-size: 1.4rem;
    }
    
    .download-btn {
        padding: 10px 20px;
        font-size: 0.95rem;
        min-width: 140px;
    }
    
    .qr-img {
        width: 80px;
        height: 80px;
    }
    
    .changelog-item {
        padding: 24px 20px;
    }
    
    .changelog-item h3 {
        font-size: 1.2rem;
    }
    
    .support-content {
        padding: 24px 20px;
    }
    
    .support-info {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* 发展资质页面样式 */
.company-intro {
    max-width: 1000px;
    margin: 0 auto 40px auto;
    padding: 0 16px;
    text-align: center;
}

.company-intro p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #555;
    margin: 0;
    text-align: justify;
    text-indent: 2em;
}

.compliance-text {
    max-width: 1000px;
    margin: 40px auto 0 auto;
    padding: 0 16px;
    text-align: center;
}

.compliance-text p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #555;
    margin: 0;
    text-align: justify;
    text-indent: 2em;
}

/* 证书展示区域 */
.certificates-section {
    max-width: 1200px;
    margin: 0 auto 60px auto;
    padding: 0 16px;
}

.certificates-title {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    text-align: center;
    margin: 0 0 40px 0;
    position: relative;
}

.certificates-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #007aff, #5856d6);
    border-radius: 2px;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.certificate-item {
    position: relative;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.certificate-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.certificate-image {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
}

.cert-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transition: transform 0.3s ease;
    background: #f8f9fa;
}

.certificate-item:hover .cert-img {
    transform: scale(1.05);
}

.certificate-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: #fff;
    padding: 24px 20px 20px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.certificate-item:hover .certificate-overlay {
    transform: translateY(0);
}

.certificate-overlay h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 0 8px 0;
    color: #fff;
}

.certificate-overlay p {
    font-size: 0.9rem;
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.4;
}


/* 发展资质页面响应式样式 */
@media (max-width: 600px) {
    .company-intro p {
        font-size: 1.1rem;
        text-indent: 0;
    }
    
    .compliance-text p {
        font-size: 1.1rem;
        text-indent: 0;
    }
    
    .certificates-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .certificate-image {
        height: 300px;
    }
    
    .certificate-overlay {
        position: static;
        transform: none;
        background: linear-gradient(135deg, #007aff, #5856d6);
        padding: 20px;
    }
    
    .certificate-overlay h3 {
        font-size: 1.1rem;
    }
    
    .certificate-overlay p {
        font-size: 0.85rem;
    }
}

/* 重要声明弹窗样式 */
.disclaimer-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease-out;
}

.disclaimer-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
}

.disclaimer-content {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 800px;
    max-height: 90vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: slideIn 0.3s ease-out;
}

.disclaimer-header {
    background: linear-gradient(135deg, #007aff, #5856d6);
    color: #fff;
    padding: 24px 32px;
    text-align: center;
    border-bottom: 1px solid #e0e0e0;
}

.disclaimer-header h2 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.disclaimer-body {
    flex: 1;
    overflow-y: auto;
    padding: 32px;
    line-height: 1.8;
    color: #333;
}

.disclaimer-body p {
    margin: 0 0 16px 0;
    font-size: 1rem;
    text-align: justify;
    text-indent: 2em;
}

.disclaimer-body p:first-child {
    text-indent: 0;
    font-weight: 600;
    color: #2c3e50;
    font-size: 1.1rem;
}

.disclaimer-body strong {
    color: #007aff;
    font-weight: 700;
}

.disclaimer-footer {
    padding: 24px 32px;
    border-top: 1px solid #e0e0e0;
    background: #f8f9fa;
    display: flex;
    justify-content: center;
}

.disclaimer-btn {
    padding: 12px 32px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 140px;
    letter-spacing: 0.5px;
}

.accept-btn {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: #fff;
}

.accept-btn:hover {
    background: linear-gradient(135deg, #20c997, #17a2b8);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(40, 167, 69, 0.3);
}

.reject-btn {
    background: linear-gradient(135deg, #dc3545, #c82333);
    color: #fff;
}

.reject-btn:hover {
    background: linear-gradient(135deg, #c82333, #bd2130);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(220, 53, 69, 0.3);
}

/* 弹窗动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 重要声明弹窗响应式样式 */
@media (max-width: 768px) {
    .disclaimer-modal.show {
        padding: 10px;
    }
    
    .disclaimer-content {
        max-height: 95vh;
        border-radius: 12px;
    }
    
    .disclaimer-header {
        padding: 20px 24px;
    }
    
    .disclaimer-header h2 {
        font-size: 1.5rem;
    }
    
    .disclaimer-body {
        padding: 24px 20px;
    }
    
    .disclaimer-body p {
        font-size: 0.95rem;
        text-indent: 1.5em;
    }
    
    .disclaimer-body p:first-child {
        font-size: 1rem;
    }
    
    .disclaimer-footer {
        padding: 20px 24px;
    }
    
    .disclaimer-btn {
        width: 100%;
        padding: 14px 24px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .disclaimer-body {
        padding: 20px 16px;
    }
    
    .disclaimer-body p {
        font-size: 0.9rem;
        text-indent: 1em;
    }
    
    .disclaimer-header {
        padding: 16px 20px;
    }
    
    .disclaimer-header h2 {
        font-size: 1.3rem;
    }
    
    .disclaimer-footer {
        padding: 16px 20px;
    }
    
    .disclaimer-btn {
        padding: 12px 20px;
        font-size: 0.95rem;
    }
}