/* 全局样式 */
:root {
    --primary-color: #8b2a2a;
    --secondary-color: #d4a76a;
    --text-color: #333;
    --light-bg: #f9f9f9;
    --border-color: #e5e5e5;
}

body {
    font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.section-title {
    position: relative;
    margin-bottom: 30px;
    padding-left: 15px;
    border-left: 4px solid var(--primary-color);
}

.section-title h2 {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    margin: 0;
}

.advanced-course .section-title h4 {
    font-size: 14px;
    font-weight: bold;
    color: #fff;
    margin: 10px 0;
    padding-left: 15px;
}

.section-line {
    display: inline-block;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
    margin-right: 15px;
}

/* 页面头部样式 */
.page-header {
    position: relative;
    overflow: hidden;
}

.page-header-bg {
    position: relative;
    height: 550px;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.page-header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.page-header .container {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
}

.page-header-content {
    text-align: center;
    color: #fff;
    max-width: 800px;
    margin: 0 auto;
    padding: 80px 0;
}

.page-header-title {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.3;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.page-header-text {
    font-size: 20px;
    margin-bottom: 30px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.page-header-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn-apply, .btn-more {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-apply {
    background-color: var(--primary-color);
    color: #fff;
    border: 2px solid var(--primary-color);
}

.btn-more {
    background-color: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.btn-apply:hover {
    background-color: #fff;
    color: var(--primary-color);
}

.btn-more:hover {
    background-color: #fff;
    color: var(--text-color);
}

@media (max-width: 768px) {
    .page-header-bg {
        height: 450px;
    }
    
    .page-header-title {
        font-size: 30px;
    }
    
    .page-header-text {
        font-size: 16px;
    }
    
    .page-header-buttons {
        flex-direction: column;
        gap: 15px;
    }
}

/* 大赛介绍部分 */
.competition-intro {
    padding: 80px 0;
    background-color: var(--light-bg);
    background-color: #f9f9f9;
}

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

.competition-image {
    flex: 0 0 45%;
}

.competition-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.competition-text {
    flex: 0 0 55%;
}

.competition-text p {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
    text-align: justify;
}

.competition-text p:last-child {
    margin-bottom: 0;
}

@media (max-width: 992px) {
    .competition-content {
        flex-direction: column;
    }
    
    .competition-image,
    .competition-text {
        flex: 0 0 100%;
    }
    
    .competition-image {
        margin-bottom: 30px;
    }
}

/* 大赛主题与目标 */
.competition-theme {
    padding: 80px 0;
    background-color: #fff;
}

.theme-content {
    margin-top: 40px;
}

.theme-title {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
}

.theme-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.theme-icon i {
    color: #fff;
    font-size: 28px;
}

.theme-title h3 {
    font-size: 22px;
    font-weight: bold;
    color: var(--primary-color);
    margin: 0;
}

.goals-wrapper {
    padding: 30px;
    background-color: var(--light-bg);
    background-color: #f9f9f9;
    border-radius: 10px;
}

.goals-title {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.goals-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.goal-item {
    display: flex;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px dashed var(--border-color);
}

.goal-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.goal-number {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    margin-right: 20px;
    flex-shrink: 0;
}

.goal-text {
    flex: 1;
}

.goal-text h4 {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
    margin: 0 0 10px 0;
}

.goal-text p {
    margin: 0;
    line-height: 1.7;
}

@media (max-width: 768px) {
    .theme-title {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .theme-icon {
        margin-bottom: 15px;
    }
    
    .goal-item {
        flex-direction: column;
    }
    
    .goal-number {
        margin-bottom: 15px;
    }
}

/* 组织单位样式 */
.organizers-section {
    padding: 80px 0;
    background-color: var(--light-bg);
    background-color: #f9f9f9;
}

.organizers-content {
    margin-top: 40px;
}

.organizer-item {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    margin-bottom: 30px;
    overflow: hidden;
}

.organizer-header {
    background-color: var(--primary-color);
    color: #fff;
    padding: 20px;
    display: flex;
    align-items: center;
}

.organizer-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.organizer-icon i {
    font-size: 22px;
    color: #fff;
}

.organizer-title {
    font-size: 20px;
    font-weight: bold;
    margin: 0;
}

.organizer-body {
    padding: 25px;
}

.organizer-body p {
    margin: 0;
    line-height: 1.7;
    font-size: 16px;
}

.expert-group {
    margin-bottom: 20px;
}

.expert-group:last-child {
    margin-bottom: 0;
}

.expert-group h4 {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
    margin: 0 0 10px 0;
    padding-left: 15px;
    border-left: 3px solid var(--primary-color);
}

@media (max-width: 768px) {
    .organizer-header {
        flex-direction: column;
        text-align: center;
    }
    
    .organizer-icon {
        margin: 0 0 15px 0;
    }
}

/* 参赛要求样式 */
.entry-requirements {
    padding: 80px 0;
    background-color: var(--light-bg);
    background-color: #f9f9f9;
}

.requirements-content {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.requirement-card {
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    background-color: #fff;
    border: 1px solid var(--border-color);
}

.requirement-header {
    background-color: var(--primary-color);
    color: #fff;
    padding: 20px 25px;
    display: flex;
    align-items: center;
}

.requirement-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.requirement-icon i {
    font-size: 22px;
    color: #fff;
}

.requirement-header h3 {
    font-size: 20px;
    font-weight: bold;
    margin: 0;
}

.requirement-body {
    padding: 30px;
    background-color: #fff;
}

.req-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.req-list li {
    display: flex;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px dashed var(--border-color);
}

.req-list li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.req-number {
    width: 36px;
    height: 36px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: bold;
    margin-right: 18px;
    flex-shrink: 0;
}

.req-list li p {
    margin: 0;
    line-height: 1.7;
    display: inline-flex;
    flex: none;
    align-items: center;
}

.req-detail {
    flex: 1;
}

.req-detail h4 {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
    margin: 0 0 8px 0;
}

.req-detail p {
    margin: 0;
    line-height: 1.7;
}

/* 参赛条件部分的特殊样式 */
.requirement-card:nth-child(2) .req-list li {
    align-items: flex-start;
}

.requirement-card:nth-child(2) .req-number {
    margin-top: 4px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .requirement-header {
        flex-direction: column;
        text-align: center;
    }
    
    .requirement-icon {
        margin: 0 0 15px 0;
    }
    
    .req-list li {
        flex-direction: column;
    }
    
    .req-number {
        margin-bottom: 15px;
    }
    
    .req-detail h4 {
        margin-top: 10px;
    }
}

/* 赛程安排样式 */
.schedule-section {
    padding: 80px 0;
    background-color: #fff;
}

.schedule-timeline {
    position: relative;
    margin-top: 50px;
    padding-left: 40px;
}

.schedule-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--primary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    padding-bottom: 20px;
    padding-left: 20px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -40px;
    top: 15px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    box-shadow: 0 0 0 4px rgba(139, 42, 42, 0.2);
}

.timeline-dot::after {
    content: '';
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: #fff;
}

.timeline-date {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.date-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary-color);
    margin-right: 15px;
    line-height: 1;
}

.date-text {
    font-size: 18px;
    color: #666;
    font-weight: 500;
    border-left: 2px solid var(--border-color);
    padding-left: 15px;
}

.timeline-content {
    background-color: #fff;
    border-radius: 10px;
    padding: 25px 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.timeline-content h3 {
    font-size: 22px;
    font-weight: bold;
    color: var(--primary-color);
    margin: 0 0 20px 0;
}

.timeline-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.timeline-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 15px;
    line-height: 1.6;
}

.timeline-list li:last-child {
    margin-bottom: 0;
}

.timeline-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--primary-color);
}

.timeline-list li strong {
    font-weight: 600;
    color: #555;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .schedule-timeline {
        padding-left: 30px;
    }
    
    .schedule-timeline::before {
        left: 15px;
    }
    
    .timeline-dot {
        left: -30px;
        width: 30px;
        height: 30px;
    }
    
    .timeline-dot::after {
        width: 12px;
        height: 12px;
    }
    
    .timeline-date {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .date-number {
        margin-right: 0;
        margin-bottom: 5px;
        font-size: 24px;
    }
    
    .date-text {
        border-left: none;
        padding-left: 0;
        font-size: 16px;
    }
    
    .timeline-content {
        padding: 20px;
    }
    
    .timeline-content h3 {
        font-size: 18px;
    }
}

/* 主题赛道样式 */
.competition-tracks {
    padding: 80px 0;
    background-color: var(--light-bg);
    background-color: #f9f9f9;
}

.tracks-intro {
    margin-bottom: 40px;
    text-align: center;
}

.tracks-intro p {
    font-size: 18px;
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.8;
}

.tracks-container {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.track-tabs {
    display: flex;
    flex-wrap: wrap;
    background-color: #f3f3f3;
    border-bottom: 1px solid var(--border-color);
}

.track-tab {
    flex: 1;
    min-width: 200px;
    padding: 20px;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border-right: 1px solid var(--border-color);
    border-bottom: 3px solid transparent;
}

.track-tab:last-child {
    border-right: none;
}

.track-tab.active {
    background-color: #fff;
    border-bottom: 3px solid var(--primary-color);
}

.track-tab:hover:not(.active) {
    background-color: #f9f9f9;
}

.track-tab-icon {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.track-tab-icon i {
    font-size: 18px;
    color: #fff;
}

.track-tab h3 {
    font-size: 16px;
    font-weight: bold;
    margin: 0;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.track-tab.active h3 {
    color: var(--primary-color);
}

.track-content-container {
    padding: 0;
    position: relative;
}

.track-content {
    display: none;
    padding: 40px;
}

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

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

.track-content h3 {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    margin: 0 0 25px 0;
    text-align: center;
}

.track-description {
    background-color: #f9f9f9;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.track-description p {
    font-size: 17px;
    margin: 0;
    line-height: 1.8;
    text-align: center;
}

.track-directions h4 {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
    margin: 0 0 15px 0;
    padding-left: 12px;
    border-left: 3px solid var(--primary-color);
}

.track-directions p {
    font-size: 16px;
    line-height: 1.8;
    margin: 0;
}

.track-note {
    padding: 20px 40px;
    border-top: 1px solid var(--border-color);
}

.track-note p {
    margin: 0;
    font-size: 16px;
    color: #666;
}

.track-note strong {
    color: var(--primary-color);
}

/* 响应式布局 */
@media (max-width: 992px) {
    .track-tabs {
        flex-wrap: wrap;
    }
    
    .track-tab {
        flex: 1 1 50%;
        border-bottom: 1px solid var(--border-color);
    }
    
    .track-tab:nth-child(2n) {
        border-right: none;
    }
    
    .track-tab.active {
        border-bottom: 3px solid var(--primary-color);
    }
}

@media (max-width: 768px) {
    .track-tab {
        flex: 1 1 100%;
        border-right: none;
    }
    
    .track-tab-icon {
        width: 32px;
        height: 32px;
    }
    
    .track-tab-icon i {
        font-size: 15px;
    }
    
    .track-tab h3 {
        font-size: 14px;
    }
    
    .track-content {
        padding: 25px 20px;
    }
    
    .track-content h3 {
        font-size: 20px;
    }
    
    .track-description p {
        font-size: 15px;
    }
    
    .track-directions h4 {
        font-size: 16px;
    }
    
    .track-directions p {
        font-size: 14px;
    }
    
    .track-note {
        padding: 15px 20px;
    }
}

/* 评审标准样式 */
.evaluation-criteria {
    padding: 80px 0;
    background-color: #fff;
}

.criteria-content {
    margin-top: 40px;
}

.criteria-card {
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    background-color: #fff;
    border: 1px solid var(--border-color);
}

.criteria-header {
    background-color: var(--primary-color);
    color: #fff;
    padding: 20px 25px;
    display: flex;
    align-items: center;
}

.criteria-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.criteria-icon i {
    font-size: 22px;
    color: #fff;
}

.criteria-header h3 {
    font-size: 20px;
    font-weight: bold;
    margin: 0;
}

.criteria-body {
    padding: 30px;
    background-color: #fff;
}

.criteria-body p {
    font-size: 18px;
    line-height: 1.8;
    margin: 0;
    text-align: center;
    color: var(--text-color);
}

@media (max-width: 768px) {
    .criteria-header {
        flex-direction: column;
        text-align: center;
    }
    
    .criteria-icon {
        margin: 0 0 15px 0;
    }
    
    .criteria-body p {
        font-size: 16px;
    }
}

/* 奖项设置样式 */
.awards-section {
    padding: 80px 0;
    background-color: #fff;
}

.awards-content {
    margin-top: 40px;
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 40px;
}

.award-card {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.award-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.award-header {
    background-color: var(--primary-color);
    color: #fff;
    padding: 25px 20px;
    text-align: center;
}

.award-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.award-icon i {
    font-size: 30px;
    color: #fff;
}

.award-header h3 {
    font-size: 22px;
    font-weight: bold;
    margin: 0;
}

.award-body {
    padding: 25px 20px;
    text-align: center;
}

.award-body p {
    font-size: 16px;
    line-height: 1.6;
    margin: 0;
    color: var(--text-color);
}

.award-notes {
    background-color: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.award-notes h4 {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
    margin: 0 0 20px 0;
    padding-left: 15px;
    border-left: 3px solid var(--primary-color);
}

.notes-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.notes-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 15px;
    line-height: 1.8;
    font-size: 16px;
}

.notes-list li:last-child {
    margin-bottom: 0;
}

.notes-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--primary-color);
}

/* 奖项设置响应式布局 */
@media (max-width: 1100px) {
    .awards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .awards-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .award-icon {
        width: 60px;
        height: 60px;
    }
    
    .award-icon i {
        font-size: 24px;
    }
    
    .award-header h3 {
        font-size: 20px;
    }
    
    .award-notes {
        padding: 20px;
    }
    
    .award-notes h4 {
        font-size: 17px;
    }
    
    .notes-list li {
        font-size: 15px;
    }
}

/* 报名方式样式 */
/* 报名方式样式优化 */
.registration-section {
    padding: 80px 0;
    background-color: #fff;
}

.registration-content {
    margin-top: 40px;
}

.registration-tip {
    text-align: center;
    font-size: 18px;
    color: var(--text-color);
    margin-bottom: 30px;
    font-weight: 500;
}

.registration-steps {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.registration-steps:before {
    content: '';
    position: absolute;
    left: 39px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--primary-color);
    opacity: 0.2;
    z-index: 0;
}

.step-item {
    display: flex;
    margin-bottom: 35px;
    position: relative;
    z-index: 1;
}

.step-item:last-child {
    margin-bottom: 0;
}

.step-icon {
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 25px;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    box-shadow: 0 5px 15px rgba(139, 42, 42, 0.2);
}

.step-icon em {
    font-size: 30px;
    color: #fff;
}

.step-content {
    flex: 1;
    background-color: #fff;
    border-radius: 10px;
    padding: 25px 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border-left: 3px solid var(--primary-color);
}

.step-content h3 {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-color);
    margin: 0 0 15px 0;
}

.step-content p {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 15px;
    color: #555;
}

.step-content p:last-of-type {
    margin-bottom: 0;
}

.email-box {
    display: flex;
    align-items: center;
    background-color: #f9f9f9;
    padding: 15px 20px;
    border-radius: 8px;
    border: 2px solid var(--primary-color);
    margin-top: 15px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

.email-address {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-color);
    flex: 1;
}

.copy-btn {
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    background-color: #6e2121;
    transform: scale(1.05);
}

.copy-btn i {
    font-size: 18px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .registration-tip {
        font-size: 16px;
    }

    .registration-steps:before {
        left: 50%;
        transform: translateX(-50%);
    }

    .step-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        margin-bottom: 50px;
    }

    .step-icon {
        margin-right: 0;
        margin-bottom: 20px;
    }

    .step-content {
        width: 100%;
        border-left: none;
        border-top: 3px solid var(--primary-color);
    }

    .step-content h3 {
        font-size: 18px;
    }

    .step-content p {
        font-size: 15px;
    }

    .email-box {
        flex-direction: column;
        padding: 15px;
    }

    .email-address {
        font-size: 16px;
        margin-bottom: 15px;
        text-align: center;
    }
}
.registration-section {
    padding: 80px 0;
    background-color: #fff;
}

.registration-content {
    margin-top: 40px;
}

.registration-card {
    background-color: var(--light-bg);
    background-color: #f9f9f9;
    border-radius: 10px;
    padding: 40px;
    display: flex;
    align-items: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.registration-icon {
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 30px;
    flex-shrink: 0;
}

.registration-icon i {
    font-size: 36px;
    color: #fff;
}

.registration-text {
    flex: 1;
}

.registration-text p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.email-box {
    display: flex;
    align-items: center;
    background-color: #fff;
    padding: 15px 20px;
    border-radius: 8px;
    border: 2px solid var(--primary-color);
    margin-top: 15px;
}

.email-address {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-color);
    flex: 1;
}

.copy-btn {
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    background-color: #6e2121;
    transform: scale(1.05);
}

.copy-btn i {
    font-size: 18px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .registration-card {
        flex-direction: column;
        text-align: center;
        padding: 30px 20px;
    }
    
    .registration-icon {
        margin-right: 0;
        margin-bottom: 20px;
    }
    
    .registration-text p {
        font-size: 16px;
    }
    
    .email-box {
        flex-direction: column;
        padding: 15px;
    }
    
    .email-address {
        font-size: 16px;
        margin-bottom: 15px;
    }
}


/* 附件样式 */
.attachments-section {
    padding: 80px 0;
    background-color: var(--light-bg);
    background-color: #f9f9f9;
}

.attachments-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 40px;
}

.attachment-card {
    display: flex;
    align-items: center;
    background-color: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.attachment-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.attachment-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(139, 42, 42, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.attachment-icon i {
    font-size: 24px;
    color: var(--primary-color);
}

.attachment-info {
    flex: 1;
}

.attachment-info h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.download-btn {
    display: inline-flex;
    align-items: center;
    background-color: var(--primary-color);
    color: #fff;
    padding: 4px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.download-btn i {
    margin-right: 8px;
}

.download-btn:hover {
    background-color: #6e2121;
    color: #fff;
}

@media (max-width: 768px) {
    .attachment-card {
        flex-direction: column;
        text-align: center;
    }

    .attachment-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }

    .attachment-info h3 {
        font-size: 16px;
    }
}