/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.8;
    color: #333;
    scroll-behavior: smooth;
}

/* 移除滚动内边距 */

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 3px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 2px;
    }
}

/* 头部样式 - 非固定定位 */
.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    position: relative;
    width: 100%;
    height: 100px;
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
    z-index: 100;
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 30px rgba(0,0,0,0.15);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0;
    gap: 0px;
    height: 100%;
}

/* 将LOGO和标题组合成一个靠左的容器 */
.header-left {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo-img {
    height: 56px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.05);
}

/* 网站标题样式 */
.site-title {
    margin-left: 10px;
    display: inline-block;
    text-align: left;
}

.site-title h1 {
    color: #FF6600;
    font-size: 25.2px;
    font-weight: bold;
    margin: 0 0 10px 10px;
    line-height: 1.2;
}

.site-title p {
    color: #666;
    font-size: 12.6px;
    margin: 0;
    font-weight: 500;
    line-height: 1.3;
    letter-spacing: 0.5px;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 15px;
    margin: 0;
    padding: 0;
    align-items: center; /* 确保所有列表项垂直居中对齐 */
}

.nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: normal;
    font-size: 15px;
    padding: 6px 12px;
    border-radius: 20px;
    transition: all 0.3s ease;
    position: relative;
    pointer-events: auto !important;
    user-select: none;
}

/* 客服按钮样式 - 统一优化版 */
.service-btn {
    background: linear-gradient(135deg, #FF6600, #FF8533);
    color: white;
    font-weight: bold;
    border-radius: 25px;
    padding: 10px 20px;
    box-shadow: 0 4px 12px rgba(255, 102, 0, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
}

    .service-btn::before {
        content: "💬 ";
        margin-right: 6px;
    }

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

    .service-btn:hover {
        background: linear-gradient(135deg, #FF8533, #FF6600);
        transform: translateY(-3px);
        box-shadow: 0 8px 25px rgba(255, 102, 0, 0.4), 0 0 0 5px rgba(255, 102, 0, 0.1);
    }

    .service-btn:hover::after {
        width: 300px;
        height: 300px;
    }

    .nav ul li a.service-btn {
        /* 覆盖通用样式 */
        color: white !important;
        font-weight: bold !important;
        margin: 0;
    }

    /* 页面主体中的咨询客服按钮容器 */
    .section-service-btn {
        margin-top: 30px;
        text-align: center;
    }

    .section-service-btn .service-btn {
        font-size: 16px;
        padding: 12px 24px;
    }

    /* 移动端优化 */
    @media (max-width: 768px) {
        .service-btn {
            font-size: 14px;
            padding: 8px 16px;
        }
        
        .section-service-btn {
            margin-top: 20px;
        }
        
        .section-service-btn .service-btn {
            font-size: 14px;
            padding: 10px 20px;
        }
    }

.nav ul li a:hover {
    color: #FF6600;
    background-color: rgba(255, 102, 0, 0.1);
    transform: translateY(-2px);
}

.nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: #FF6600;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav ul li a:hover::after {
    width: 80%;
}

/* 移动端菜单按钮 - 全新美观设计 */
.mobile-menu-btn {
    display: none;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    background: transparent;
    border: none;
    border-radius: 15px;
    cursor: pointer;
    padding: 10px;
    z-index: 1000;
    position: relative;
    margin-left: auto;
    box-shadow: none;
    transition: none;
    overflow: hidden;
}

/* 移动端菜单关闭按钮 - 默认隐藏 */
.mobile-menu-close-btn {
    display: none;
    z-index: 100000 !important;
}

/* 按钮背景装饰 */
.mobile-menu-btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: transparent;
    transform: none;
    transition: none;
}

.mobile-menu-btn:hover::before {
    transform: none;
}

.mobile-menu-btn:hover {
    transform: none;
    box-shadow: none;
}

/* 菜单图标样式 */
.menu-icon {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: none;
    filter: none;
}

/* 激活状态 - 图标旋转效果 */
.mobile-menu-btn.active {
    background: transparent;
    transform: none;
}



/* 通用板块样式 */
section {
    padding: 30px 0 30px;
    position: relative;
}

/* 顶部横幅样式 - 用于signup.html等页面 */
.top-banner {
    width: 100%;
    text-align: center;
    padding: 0;
    background: #ffffff;
}

.top-banner-img {
    max-width: 100%;
    width: 1200px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    margin: 0 auto;
}

/* 移动端适配 */
@media (max-width: 1200px) {
    .top-banner-img {
        width: 100%;
        max-width: 100%;
    }
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: #FF6600;
    margin-bottom: 20px;
    position: relative;
    font-weight: 700;
    letter-spacing: 1px;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #FF6600, #FF8C00);
    margin: 10px auto;
    border-radius: 2px;
}

/* 移除"第二届 征稿启动"标题下方的横线 */
.about h2.section-title:first-of-type::after {
    display: none;
}

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

.content p {
    margin-bottom: 20px;
    font-size: 17px;
    line-height: 1.8;
    color: #555;
    text-align: left;
}

/* 征集对象模块文字垂直居中 */
.groups .content p {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 60px;
    margin: 15px 0;
    font-size: 18px;
    font-weight: 500;
    color: #333;
}

.content ul {
    padding-left: 25px;
    margin-bottom: 25px;
}

.content ul li {
    margin-bottom: 12px;
    line-height: 1.6;
    position: relative;
}

.content ul li::before {
    content: '•';
    color: #FF6600;
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

/* 卡片式设计 */
.card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 102, 0, 0.1);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.card h3 {
    color: #FF6600;
    margin-bottom: 15px;
    font-size: 1.4rem;
    font-weight: 600;
}

/* 网格布局 */
.grid {
    display: grid;
    gap: 20px;
    margin-bottom: 20px;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* 赛事简介 */
.about {
    background: #ffffff;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-top: 20px;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    color: #FF6600;
    font-size: 1.8rem;
    margin-bottom: 25px;
    font-weight: 700;
    text-align: center;
}

.about-text-content {
    margin-bottom: 25px;
}

.about-text-section {
    margin-bottom: 20px;
}

.about-text-section h4 {
    color: #FF8C00;
    font-size: 1.3rem;
    margin-bottom: 12px;
    font-weight: 600;
    position: relative;
    padding-left: 15px;
}

.about-text-section h4::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: linear-gradient(to bottom, #FF6600, #FF8C00);
    border-radius: 2px;
}

.about-text p {
    font-size: 18px;
    color: #495057;
    line-height: 1.9;
    text-align: left;
    margin-bottom: 15px;
}

.about-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-img:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

/* 征稿主题 */
.theme {
    background-color: #fff;
}

.theme .content p {
    font-size: 18px;
    color: #495057;
    line-height: 1.9;
    text-align: center;
}

/* 参赛对象 */
.groups {
    background: #ffffff;
}

.groups .grid {
    margin-top: 25px;
}

.group-cards {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
    margin-top: 20px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.group-card {
    background: white;
    padding: 25px 15px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    text-align: center;
    transition: all 0.3s ease;
    border-top: 4px solid #FF6600;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.group-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.group-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.group-card h3 {
    color: #333;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.group-card p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
    text-align: center;
}

/* 活动时间 */
.timeline {
    background-color: #fff;
}

.timeline-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: white;
    padding: 25px;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
    border-left: 5px solid #FF6600;
    position: relative;
    transition: all 0.3s ease;
}

.timeline-item:hover {
    transform: translateX(8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

.timeline-marker {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #FF6600, #FF8C00);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(255, 102, 0, 0.3);
}

.timeline-content {
    flex: 1;
}

.timeline-content h3 {
    color: #FF6600;
    margin-bottom: 12px;
    font-size: 1.5rem;
    font-weight: 600;
}

.timeline-date {
    color: #FF8C00;
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.timeline-desc {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
}

/* 作品要求 */
.requirements {
    background: #ffffff;
}

.requirement-category {
    background: white;
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 25px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    border-left: 4px solid #FF6600;
    transition: all 0.3s ease;
}

.requirement-category:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.requirement-category h3 {
    color: #FF6600;
    margin-bottom: 20px;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.requirement-category h3::before {
    content: attr(data-icon);
    font-size: 1.8rem;
}

.requirement-category ul {
    margin-top: 15px;
}

.requirement-category ul li {
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
}

.requirement-category ul li:last-child {
    border-bottom: none;
}

/* 评价标准 */
.evaluation {
    background-color: #fff;
}

.evaluation-criteria {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 25px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.criterion-card {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    text-align: center;
    transition: all 0.3s ease;
    border-top: 4px solid #FF6600;
}

.criterion-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.criterion-percentage {
    font-size: 2.5rem;
    font-weight: bold;
    color: #FF6600;
    margin-bottom: 10px;
}

.criterion-title {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 10px;
    font-weight: 600;
}

.criterion-desc {
    color: #666;
    line-height: 1.6;
}

/* 荣誉证书展示 */
.certificates {
    background: #ffffff;
    padding: 50px 0;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.certificate-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    overflow: hidden;
    text-align: center;
}

.certificate-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.certificate-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

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

/* 奖状奖杯展示模块样式 */
.awards-trophy {
    background-color: #fff;
    padding: 50px 0;
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 0;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

.award-image {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

/* 鼠标悬停效果 */
.award-image:hover {
    transform: scale(1.02);
    z-index: 10;
    position: relative;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .awards-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, 1fr);
    }
}

/* 奖励办法 */
.awards {
    background: #ffffff;
}

.award-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.award-category {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    text-align: center;
}

.award-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.award-category h3 {
    color: #FF6600;
    margin-bottom: 15px;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.award-category h3::before {
    content: attr(data-icon);
    font-size: 1.8rem;
}

.award-category p {
    color: #555;
    line-height: 1.7;
    text-align: center;
}

/* 组织机构 */
.organization {
    background-color: #fff;
}

.org-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.org-item {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border-top: 4px solid #FF6600;
    text-align: center;
}

.org-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.org-item h3 {
    color: #FF6600;
    margin-bottom: 20px;
    font-size: 1.4rem;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.org-item h3::before {
    content: attr(data-icon);
    font-size: 1.6rem;
}

.org-item p {
    color: #555;
    margin: 10px 0;
    text-align: center;
}

/* 版权声明 */
.copyright {
    background: #ffffff;
    padding: 50px 0;
}

/* 展览组委会成员 */
.committee {
    background: #ffffff;
    padding: 50px 0;
}

.committee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

/* 展开按钮容器 */
.committee-toggle-container {
    text-align: center;
    margin-top: 15px;
    margin-bottom: 15px;
    display: none;
}

/* 征集对象展开按钮容器 */
.group-toggle-container {
    text-align: center;
    margin-top: 20px;
    margin-bottom: 15px;
}

/* 荣誉证书展开按钮容器 */
.certificates-toggle-container {
    text-align: center;
    margin-top: 20px;
    margin-bottom: 20px;
}

/* 展开按钮样式 */
.committee-toggle-btn,
.group-toggle-btn,
.certificates-toggle-btn {
    background: linear-gradient(135deg, #FF6600, #FF8533);
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 102, 0, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.committee-toggle-btn:hover,
.group-toggle-btn:hover,
.certificates-toggle-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 102, 0, 0.4);
}

.committee-toggle-btn:active,
.group-toggle-btn:active,
.certificates-toggle-btn:active {
    transform: translateY(-1px);
}

/* 展开图标 */
.committee-toggle-btn::before,
.group-toggle-btn::before,
.certificates-toggle-btn::before {
    content: "▼";
    font-size: 14px;
    transition: transform 0.3s ease;
}

/* 展开状态下的图标 */
.committee-toggle-btn.expanded::before,
.group-toggle-btn.expanded::before,
.certificates-toggle-btn.expanded::before {
    transform: rotate(180deg);
}

/* 隐藏元素类 */
.hidden {
    display: none !important;
}

/* 展开时显示所有成员 */
.committee-member.expanded,
.group-card.expanded,
.certificate-card.expanded {
    display: block !important;
}

.committee-member {
    background: white;
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

.committee-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.member-avatar {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.avatar-placeholder {
    font-size: 2.5rem;
    font-weight: bold;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.member-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
}

.member-title {
    color: #667eea;
    font-weight: 500;
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.member-detail {
    color: #718096;
    font-size: 0.95rem;
    line-height: 1.5;
    text-align: center;
}

/* 菜单背景遮罩层级 */
.menu-backdrop {
    z-index: 99998 !important;
    pointer-events: auto !important;
    will-change: z-index;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .committee-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 15px;
    }
    
    .committee-member {
        padding: 20px;
    }
    
    .member-avatar {
        width: 80px;
        height: 80px;
    }
    
    .avatar-placeholder {
        font-size: 2rem;
    }
    
    /* 评价标准模块响应式 */
    .evaluation-criteria {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .evaluation-criteria {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .criterion-card {
        padding: 20px 15px;
    }
    
    .criterion-percentage {
        font-size: 2rem;
    }
    
    .criterion-title {
        font-size: 1.1rem;
    }
    
    /* 展览组委会成员移动端优化 - 两列显示 */
    .committee-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    /* 在移动端只显示前两个成员 */
    .committee-member:nth-child(n+3) {
        display: none;
    }
    
    /* 在移动端显示展开按钮 */
    .committee-toggle-container {
        display: block;
    }
    
    /* 展开时显示所有成员 */
    .committee-member.expanded {
        display: block !important;
    }
    
    /* 荣誉证书展示移动端优化 */
    .certificates-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

.copyright-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.copyright-item {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.copyright-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.copyright-item h4 {
    color: #FF6600;
    margin-bottom: 15px;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.copyright-item h4::before {
    content: attr(data-icon);
    font-size: 1.4rem;
}

.copyright-item p {
    color: #555;
    line-height: 1.7;
    text-align: center;
}

/* 立即报名按钮样式 */
.signup-button-container {
    text-align: center;
    margin: 50px 0 20px 0;
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    outline: none;
}

.signup-btn {
    background: linear-gradient(135deg, #FF6600, #FF8533);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 102, 0, 0.3);
}

.signup-btn:hover {
    background: linear-gradient(135deg, #FF8533, #FF6600);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 102, 0, 0.4);
}

/* 视频模块样式 */
.video-section {
    background-color: #f8f9fa;
    padding: 50px 0;
    text-align: center;
}

.video-section .container {
    max-width: 1200px;
    margin: 0 auto;
}

.video-section h2 {
    font-size: 2.5rem;
    color: #FF6600;
    margin-bottom: 20px;
    font-weight: 700;
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.video-container video {
    width: 100%;
    height: auto;
    display: block;
}

/* 响应式视频样式 */
@media (max-width: 768px) {
    .video-section {
        padding: 30px 0;
    }
    
    .video-section h2 {
        font-size: 2rem;
        margin-bottom: 15px;
    }
    
    .video-container {
        max-width: 100%;
        border-radius: 10px;
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    }
}

/* 往期作品赏析预览模块 */
.past-works-preview {
    background-color: #fff;
    padding: 50px 0;
}

.past-works-preview .section-title {
    text-align: center;
    margin-bottom: 30px;
}

.past-works-preview .section-title h2 {
    font-size: 2.5rem;
    color: #FF6600;
    margin-bottom: 15px;
    font-weight: 700;
}

.past-works-preview .section-title p {
    font-size: 1.1rem;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.past-works-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.past-work-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 102, 0, 0.1);
    display: flex;
    flex-direction: column;
}

.past-work-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.past-work-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.past-work-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.past-work-item:hover .past-work-image img {
    transform: scale(1.05);
}

.past-work-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.past-work-content h3 {
    font-size: 1.4rem;
    color: #333;
    margin-bottom: 12px;
    font-weight: 600;
}

.past-work-content p {
    color: #666;
    line-height: 1.6;
    margin: 0;
    flex: 1;
}

.past-works-cta {
    text-align: center;
    margin-top: 30px;
}

.past-works-cta .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.arrow-icon {
    transition: transform 0.3s ease;
}

.past-works-cta .btn:hover .arrow-icon {
    transform: translateX(5px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .past-works-preview {
        padding: 30px 0;
    }
    
    .past-works-preview .section-title h2 {
        font-size: 2rem;
    }
    
    .past-works-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }
    
    .past-work-image {
        height: 180px;
    }
    
    .past-work-content {
        padding: 20px;
    }
    
    .past-work-content h3 {
        font-size: 1.3rem;
    }
    
    .past-works-cta {
        margin-top: 20px;
    }
}

/* 页脚 */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    text-align: center;
    padding: 40px 0 20px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 102, 0, 0.5), transparent);
}

.footer p {
    margin: 0;
    font-size: 16px;
    opacity: 0.9;
    text-align: center;
}

.footer-links {
    margin-top: 15px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

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

.footer-links a:hover {
    color: #FF6600;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .group-cards {
        grid-template-columns: repeat(3, 1fr);
        max-width: 900px;
    }
}

@media (max-width: 768px) {
    /* 移动端菜单 - 从右侧弹出样式 */
    .nav ul {
        display: none;
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 400px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.99);
        backdrop-filter: blur(15px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        z-index: 10001; /* 提高默认层级 */
        overflow-y: auto;
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    /* 移动端菜单展开样式 */
    .nav ul.show {
        display: flex !important;
        right: 0;
        padding: 120px 20px 40px;
        z-index: 99999 !important; /* 确保与JS中的设置一致 */
        pointer-events: auto !important;
        will-change: transform, z-index;
    }
    
    /* 背景遮罩样式 */
    .menu-backdrop {
        /* 默认隐藏背景遮罩 */
        display: none;
        z-index: 99998 !important;
        pointer-events: auto !important;
        will-change: z-index;
    }
    
    /* 当菜单打开时才显示背景遮罩 */
    .nav ul.show ~ .menu-backdrop {
        display: block;
    }

    /* 移动端菜单关闭按钮 */
    .mobile-menu-close-btn {
        position: absolute;
        top: 20px;
        right: 20px;
        width: 28px; /* 缩小30%，从40px变为28px */
        height: 28px; /* 缩小30%，从40px变为28px */
        background: #ff6600; /* 更醒目的背景色 */
        border: 2px solid rgba(255, 255, 255, 0.3); /* 白色边框增加层次感 */
        border-radius: 50%;
        font-size: 18px; /* 相应缩小字体大小 */
        font-weight: bold;
        color: white; /* 白色文字更清晰 */
        cursor: pointer;
        display: flex;
        justify-content: center;
        align-items: center;
        transition: all 0.3s ease;
        z-index: 10002 !important;
        box-shadow: 0 3px 12px rgba(255, 102, 0, 0.4); /* 更强的阴影效果 */
        outline: none;
    }

    .mobile-menu-close-btn:hover {
        background: #ff8533; /* 悬停时背景色稍亮 */
        color: white;
        transform: rotate(90deg) scale(1.1); /* 旋转并略微放大 */
        border-color: rgba(255, 255, 255, 0.5);
        box-shadow: 0 5px 18px rgba(255, 102, 0, 0.6); /* 更强的阴影 */
    }

    .mobile-menu-close-btn:active {
        transform: rotate(90deg) scale(0.95); /* 点击时轻微缩小 */
    }

    /* 菜单背景装饰 */
    .nav ul.show::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 80px;
        background: linear-gradient(to bottom, rgba(255, 102, 0, 0.05), transparent);
        z-index: -1;
    }

    /* 菜单项容器 */
    .nav ul {
        align-items: center;
        width: 100%;
    }

    .nav ul li {
        margin: 6px 0; /* 从8px缩小到6px */
        text-align: center;
        width: 100%;
        max-width: 250px; /* 限制最大宽度 */
        opacity: 0;
        transform: translateX(30px);
        animation: itemSlideIn 0.4s ease forwards;
    }

    /* 逐项显示动画 */
    .nav ul.show li:nth-child(1) { animation-delay: 0.1s; }
    .nav ul.show li:nth-child(2) { animation-delay: 0.2s; }
    .nav ul.show li:nth-child(3) { animation-delay: 0.3s; }

    @keyframes itemSlideIn {
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }

    /* 菜单项样式 */
    .nav ul li a {
        font-size: 1.2rem; /* 从1.4rem缩小到1.2rem */
        padding: 12px 20px; /* 从18px 30px缩小到12px 20px */
        font-weight: 600;
        color: white;
        background: linear-gradient(135deg, #FF6600, #FF8533);
        border-radius: 12px; /* 从16px缩小到12px */
        display: block;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        border: 2px solid rgba(255, 255, 255, 0.3);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        position: relative;
        box-shadow: 0 4px 12px rgba(255, 102, 0, 0.2);
        text-decoration: none;
        pointer-events: auto !important;
        user-select: none;
        max-width: 250px; /* 限制最大宽度 */
        margin: 0 auto; /* 居中显示 */
    }

    /* 移动端客服按钮样式 */
    .nav ul li a.service-btn {
        /* 继承通用样式 */
    }

    /* 菜单项悬停效果 */
    .nav ul li a:hover {
        background: linear-gradient(135deg, #FF6600, #FF8533);
        color: white;
        transform: translateY(-3px);
        box-shadow: 0 8px 25px rgba(255, 102, 0, 0.3), 0 0 0 5px rgba(255, 102, 0, 0.1);
        border-color: rgba(255, 255, 255, 0.2);
        letter-spacing: 1px;
    }

    /* 菜单项点击效果 */
    .nav ul li a:active {
        transform: translateY(-1px);
        box-shadow: 0 4px 15px rgba(255, 102, 0, 0.2);
    }
    
    .mobile-menu-btn {
        display: block;
        position: relative;
        z-index: 10;
        border-radius: 6px;
        padding: 8px;
        box-shadow: 0 2px 8px rgba(255, 102, 0, 0.3);
    }
    
    /* 移除针对span元素的样式，因为HTML中使用的是img标签 */
    /* 为图标图片添加active状态样式 */
    .mobile-menu-btn.active .menu-icon {
        filter: brightness(0.8);
        transform: rotate(90deg);
        transition: all 0.3s ease;
    }
    
    .banner {
        height: 650px;
        padding-top: 100px;
    }
    
    .banner-content h2 {
        font-size: 2.2rem;
        margin-bottom: 8px;
        letter-spacing: 0.5px;
    }
    
    .banner-content h3 {
        font-size: 1.5rem;
        margin-bottom: 15px;
    }
    
    .banner-content p {
        font-size: 1rem;
        margin-bottom: 20px;
        max-width: 90%;
    }
    
    .banner-cta {
        padding: 12px 25px;
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.6rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
        padding: 0 10px;
        box-sizing: border-box;
    }
    
    .content {
        padding: 0 10px;
    }
    
    /* 作品种类及要求模块优化 */
    .requirements .content {
        padding: 0 5px;
    }
    
    .requirement-category {
        padding: 20px 15px;
        margin-bottom: 15px;
    }
    
    .org-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .timeline-item {
        flex-direction: column;
        text-align: center;
    }
    
    .timeline-content {
        margin-left: 0;
        margin-top: 20px;
    }
    
    .timeline-item::before {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 0;
    }
    
    /* 荣誉证书展示响应式 */
    .certificates-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 15px;
    }
    
    /* 活动时间模块响应式 */
    .timeline-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 500px;
    }
    
    .committee-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .about-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .about-text {
        order: 2;
    }
    
    .about-image {
        order: 1;
    }
    
    .about-img {
        max-width: 80%;
    }
    
    .about-text h3 {
        font-size: 1.6rem;
    }
    
    .about-text-section h4 {
        font-size: 1.2rem;
    }
    
    .about-text p {
        font-size: 16px;
    }
    
    .committee-member {
        padding: 20px;
    }
    
    .member-avatar {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
    
    .member-info h4 {
        font-size: 1.2rem;
    }
    
    .member-info p {
        font-size: 0.9rem;
    }
    
    .evaluation-criteria {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .criterion-card {
        padding: 20px;
    }
    
    .criterion-percentage {
        font-size: 2.5rem;
    }
    
    .criterion-title {
        font-size: 1.2rem;
    }
    
    .criterion-desc {
        font-size: 0.9rem;
    }
    
    /* 征集对象模块响应式 */
    .group-cards {
        grid-template-columns: repeat(2, 1fr);
        max-width: 600px;
        gap: 20px;
    }
    
    .group-card {
        padding: 20px 15px;
    }
    
    .group-icon {
        font-size: 2.5rem;
        margin-bottom: 12px;
    }
    
    .group-card h3 {
        font-size: 1.1rem;
    }
    
    .group-card p {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .group-cards {
        grid-template-columns: 1fr;
        max-width: 300px;
        gap: 15px;
    }
    
    .group-card {
        padding: 18px 12px;
    }
    
    .group-icon {
        font-size: 2rem;
        margin-bottom: 10px;
    }
    
    .group-card h3 {
        font-size: 1rem;
    }
    
    .group-card p {
        font-size: 0.8rem;
    }
    
    /* 作品种类及要求模块进一步优化 */
    .requirements .content {
        padding: 0;
    }
    
    .requirement-category {
        padding: 15px 10px;
        margin-bottom: 10px;
    }
    
    .requirement-category h3 {
        font-size: 1.3rem;
        margin-bottom: 15px;
    }
    
    .content ul {
        padding-left: 20px;
    }
    
    .content ul li {
        font-size: 0.9rem;
    }
    
    /* 超小屏幕下的标题优化 */
    .section-title {
        font-size: 1.4rem !important;
        letter-spacing: 0.5px;
        padding: 0 5px;
    }
}

/* 往期作品页面样式 */
.past-works-header {
    text-align: center;
    margin: 40px 0;
}

.past-works-header h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 10px;
}

.news-articles {
    display: flex;
    flex-direction: column;
    gap: 30px;
    padding: 20px;
}

.article {
    display: flex;
    gap: 20px;
    padding: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.article-image {
    flex: 1;
    max-width: 300px;
}

.article-image img {
    width: 100%;
    height: auto;
    border-radius: 5px;
}

.article-content {
    flex: 2;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.article-content h2 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 10px;
}

.article-content p {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.details-btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
    align-self: flex-start;
}

.details-btn:hover {
    background-color: #45a049;
}

/* 往期作品详细赏析页面样式 */
.past-works-detail-header {
    text-align: center;
    margin: 40px 0;
}

.past-works-detail-header h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 10px;
}

.issue-info {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 10px;
    margin: 20px auto;
    max-width: 800px;
}

.issue-info h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.issue-info .issue-desc {
    font-size: 1.1rem;
    line-height: 1.6;
    opacity: 0.9;
}

.works-gallery {
    display: flex;
    flex-direction: column;
    gap: 40px;
    padding: 20px 0;
}

.work-item {
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 25px;
    background-color: #fff;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.work-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.work-header h3 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 15px;
    text-align: center;
}

.work-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.work-meta span {
    font-size: 1rem;
    color: #666;
}

.work-content {
    display: flex;
    gap: 30px;
    margin-top: 20px;
}

.work-image {
    flex: 1;
    max-width: 400px;
}

.image-container {
    flex: 1;
    max-width: 400px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    overflow: hidden;
}

.image-container img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    display: block;
    object-fit: cover;
}

.work-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.work-details {
    flex: 2;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.work-description, .expert-review {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
}

.work-description h4, .expert-review h4 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 15px;
    border-bottom: 2px solid #4CAF50;
    padding-bottom: 8px;
}

.work-description p, .expert-review p {
    font-size: 1rem;
    color: #666;
    line-height: 1.7;
}

.expert-review .reviewer {
    text-align: right;
    font-style: italic;
    color: #888;
    margin-top: 10px;
    font-weight: bold;
}

.placeholder-message {
    text-align: center;
    padding: 40px;
    background-color: #f8f9fa;
    border-radius: 8px;
    font-size: 1.1rem;
    color: #666;
}

@media (max-width: 768px) {
    .article {
        flex-direction: column;
    }
    
    .article-image {
        max-width: 100%;
    }
    
    .past-works-header h1 {
        font-size: 2rem;
    }
    
    .article-content h2 {
        font-size: 1.5rem;
    }
    
    /* 往期作品详细赏析页面响应式样式 */
    .past-works-detail-header h1 {
        font-size: 2rem;
    }
    
    .issue-info h2 {
        font-size: 1.5rem;
    }
    
    .work-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .work-content {
        flex-direction: column;
    }
    
    .work-image {
        max-width: 100%;
    }
    
    .work-header h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .work-item {
        padding: 15px;
    }
    
    .work-header h3 {
        font-size: 1.3rem;
    }
    
    .work-meta span {
        font-size: 0.9rem;
    }
    
    .work-description h4, .expert-review h4 {
        font-size: 1.1rem;
    }
    
    .work-description p, .expert-review p {
        font-size: 0.9rem;
    }
}

/* 成绩查询弹窗样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fff;
    margin: 15% auto;
    padding: 30px;
    border: none;
    border-radius: 10px;
    width: 80%;
    max-width: 500px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    text-align: center;
    animation: modalopen 0.4s;
}

@keyframes modalopen {
    from {opacity: 0; transform: translateY(-60px);}
    to {opacity: 1; transform: translateY(0);}
}

.modal-content h2 {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.modal-content p {
    font-size: 1.2rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 25px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 15px;
}

.close:hover,
.close:focus {
    color: #333;
}

/* 移动端弹窗样式 */
@media (max-width: 768px) {
    .modal-content {
        width: 90%;
        margin: 20% auto;
        padding: 20px;
    }
    
    .modal-content h2 {
        font-size: 1.5rem;
    }
    
    .modal-content p {
        font-size: 1rem;
    }
}

/* 悬浮客服按钮样式 */
.floating-service-btn {
    position: fixed;
    right: 35px;
    bottom: 400px;
    width: 50px;
    height: 50px;
    background: rgba(255, 102, 0, 0.8);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    z-index: 99;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    text-align: center;
    line-height: 1.2;
}

.floating-service-btn.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.floating-service-btn:hover {
    background: #FF6600;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .floating-service-btn {
        right: 25px;
        bottom: 400px; /* 精确调整位置使其在悬浮导航菜单上方 */
        width: 45px;
        height: 45px;
        font-size: 12px;
    }
    
    /* 移动端不显示footer模块 */
    .footer {
        display: none;
    }
    
    /* 移动端简化版权声明模块 */
    .copyright {
        padding: 30px 0;
    }
    
    .copyright .section-title {
        font-size: 1.3rem;
        margin-bottom: 15px;
        padding-bottom: 10px;
    }
    
    .copyright-grid {
        grid-template-columns: 1fr;
        gap: 10px;
        margin-top: 15px;
    }
    
    .copyright-item {
        background: none;
        padding: 10px;
        border-radius: 0;
        box-shadow: none;
        border-bottom: 1px solid #eee;
    }
    
    .copyright-item:last-child {
        border-bottom: none;
    }
    
    .copyright-item:hover {
        transform: none;
        box-shadow: none;
    }
    
    .copyright-item h4 {
        font-size: 1rem;
        margin-bottom: 8px;
        color: #333;
    }
    
    .copyright-item h4::before {
        font-size: 1.1rem;
    }
    
    .copyright-item p {
        font-size: 0.85rem;
        line-height: 1.5;
        color: #666;
        text-align: left;
    }
}