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

/* CSS变量 */
:root {
    --primary-color: #5a67d8;
    --secondary-color: #e6fffa;
    --accent-color: #ed8936;
    --text-dark: #1a202c;
    --text-medium: #4a5568;
    --text-light: #718096;
    --light-bg: #f7fafc;
    --white: #ffffff;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --hover-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 基础样式 */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--light-bg);
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    width: 60px;
    height: 5px;
    background-color: var(--accent-color);
    border-radius: 3px;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: 1.5rem;
    color: var(--text-medium);
}

/* 导航栏 */
.navbar {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    padding: 16px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.navbar .container {
    position: relative;
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo a {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

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

.navbar-menu {
    display: flex;
    list-style: none;
    gap: 36px;
}

.navbar-menu li a {
    text-decoration: none;
    color: var(--text-medium);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
}

.navbar-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

.navbar-menu li a:hover {
    color: var(--primary-color);
}

.navbar-menu li a:hover::after {
    width: 100%;
}

.navbar-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

/* 后台管理入口按钮样式 */
.admin-entry-btn {
    position: absolute;
    top: 50%;
    right: 24px;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-medium);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.admin-entry-btn:hover {
    background-color: rgba(90, 103, 216, 0.1);
    color: var(--primary-color);
    transform: translateY(-50%) rotate(90deg);
}

.navbar-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    margin-bottom: 5px;
    border-radius: 3px;
    transition: var(--transition);
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #5a67d8 0%, #7b83eb 100%);
    background-image: 
        linear-gradient(135deg, rgba(90, 103, 216, 0.95) 0%, rgba(123, 131, 235, 0.95) 100%),
        radial-gradient(circle at 20% 80%, rgba(237, 137, 54, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(230, 255, 250, 0.3) 0%, transparent 50%);
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 160px 0 120px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/background.jpg') center center no-repeat;
    background-size: cover;
    opacity: 0.1;
    z-index: 0;
}

.hero-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.hero-text {
    flex: 1;
    text-align: left;
    animation: fadeIn 0.8s ease-out;
}

.hero-text h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-text p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
    color: var(--white);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--white);
    color: var(--primary-color);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--hover-shadow);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--hover-shadow);
}

.hero-photo {
    flex: 0 0 350px;
    animation: fadeIn 0.8s ease-out 0.2s both;
}

.photo-container {
    position: relative;
    width: 100%;
    padding-bottom: 100%;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.photo-container1 {
    position: relative;
    width: 100%;
    padding-bottom: 100%;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.photo-container1 img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.photo-container img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.placeholder-photo {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 18px;
    font-weight: 500;
}

/* 通用区域样式 */
.section {
    padding: 100px 0;
    position: relative;
    transition: var(--transition);
}

.section:nth-child(even) {
    background-color: var(--white);
}

.section-title {
    text-align: center;
    margin-bottom: 70px;
    font-size: 36px;
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

/* 关于我部分 */
.about-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
}

.about-text {
    flex: 0 0 70%;
    font-size: 18px;
    line-height: 1.8;
}

.about-photo {
    flex: 0 0 30%;
    max-width: 300px;
}

/* 技能部分 */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.skill-item {
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.skill-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--hover-shadow);
}

.skill-icon {
    width: 80px;
    height: 80px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--primary-color);
}

.skill-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.skill-item p {
    color: var(--text-medium);
    font-size: 16px;
}

/* 作品部分 */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-item {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--hover-shadow);
}

.portfolio-image {
    height: 250px;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-content {
    padding: 25px;
}

.portfolio-content h3 {
    margin-bottom: 10px;
    color: var(--text-dark);
}

.portfolio-content p {
    margin-bottom: 15px;
    color: var(--text-medium);
    font-size: 14px;
}

.portfolio-category {
    display: inline-block;
    padding: 5px 12px;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 经历区域样式 */
.experience-tabs {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 32px;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border: none;
    border-radius: var(--border-radius);
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    letter-spacing: -0.01em;
}

.tab-btn.active {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: 0 6px 20px rgba(90, 103, 216, 0.3);
}

.tab-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(90, 103, 216, 0.2);
    background-color: var(--primary-color);
    color: var(--white);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease-out;
}

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

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: var(--secondary-color);
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-item {
    display: flex;
    margin-bottom: 60px;
    position: relative;
    animation: slideInUp 0.6s ease-out;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 28px;
    width: 20px;
    height: 20px;
    background-color: var(--accent-color);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 0 5px rgba(237, 137, 54, 0.15);
    z-index: 1;
    transition: var(--transition);
}

.timeline-item:hover::before {
    transform: translateX(-50%) scale(1.2);
    box-shadow: 0 0 0 8px rgba(237, 137, 54, 0.2);
}

.timeline-date {
    flex: 0 0 250px;
    font-weight: 700;
    color: var(--accent-color);
    text-align: right;
    padding-right: 50px;
    font-size: 18px;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.timeline-content {
    flex: 1;
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: left;
    margin-left: 50px;
    position: relative;
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--hover-shadow);
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-item:nth-child(even) .timeline-date {
    text-align: left;
    padding-right: 0;
    padding-left: 50px;
    justify-content: flex-start;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 0;
    margin-right: 50px;
}

.timeline-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.timeline-company {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 500;
}

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

.timeline-content li {
    margin-bottom: 16px;
    padding-left: 32px;
    position: relative;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-medium);
}

.timeline-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 4px;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 20px;
    line-height: 1;
    background-color: var(--secondary-color);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

/* 联系部分 */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}



.contact-info {
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

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

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

.contact-details h3 {
    font-size: 18px;
    margin-bottom: 5px;
}

.contact-details p {
    margin-bottom: 0;
    color: var(--text-medium);
}

.contact-form {
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(90, 103, 216, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* 留言显示样式 */
.messages-display-section {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.messages-list {
    display: grid;
    gap: 20px;
    margin-top: 30px;
}

.messages-list .message-item {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.messages-list .message-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--hover-shadow);
}

.messages-list .message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.messages-list .message-header h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0;
}

.messages-list .message-date {
    font-size: 14px;
    color: var(--text-light);
}

.messages-list .message-content {
    color: var(--text-medium);
    line-height: 1.6;
}

.messages-list .message-content p {
    margin: 0;
}

/* 留言回复样式 */
.message-reply {
    margin-top: 20px;
    padding: 20px;
    background-color: rgba(90, 103, 216, 0.05);
    border-left: 3px solid var(--primary-color);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.reply-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.reply-badge {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.reply-date {
    font-size: 12px;
    color: var(--text-light);
}

.reply-content {
    background-color: var(--white);
    padding: 15px;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.reply-content p {
    margin: 0;
    color: var(--text-dark);
    line-height: 1.6;
}

/* 页脚 */
.footer {
    background-color: var(--text-dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
}

.footer-info h3 {
    margin-bottom: 10px;
    font-size: 24px;
}

.footer-info p {
    color: var(--text-light);
    margin-bottom: 0;
}

.footer-links {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

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

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.9);
    }
}

/* 登录弹窗样式 */
.login-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    animation: fadeIn 0.3s ease-out;
}

.login-modal {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--hover-shadow);
    max-width: 400px;
    width: 90%;
    overflow: hidden;
    animation: slideInUp 0.3s ease-out;
}

.login-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--light-bg);
}

.login-modal-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
}

.login-modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-light);
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.login-modal-close:hover {
    background-color: var(--border-color);
    color: var(--text-dark);
}

.login-modal-content {
    padding: 24px;
}

.login-modal-description {
    margin-bottom: 20px;
    color: var(--text-medium);
    text-align: center;
}

.login-form-group {
    margin-bottom: 20px;
}

.login-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-dark);
}

.login-form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
}

.login-form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(90, 103, 216, 0.1);
}

.login-error-message {
    color: #e53e3e;
    font-size: 14px;
    margin-top: 8px;
    padding: 8px 12px;
    background-color: rgba(229, 62, 62, 0.1);
    border-radius: 4px;
    border-left: 3px solid #e53e3e;
}

.login-modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* 震动动画 */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 3rem;
    }
    
    .about-content {
        flex-direction: column;
        text-align: center;
    }
    
    .about-text {
        flex: 1;
    }
    
    .about-photo {
        flex: 0 0 250px;
        max-width: 250px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 40px;
    }
    
    .timeline-item::before {
        left: 40px;
    }
    
    .timeline-item {
        flex-direction: column !important;
    }
    
    .timeline-date {
        text-align: left !important;
        padding-right: 0 !important;
        padding-left: 90px !important;
        margin-bottom: 20px;
        flex: 1;
    }
    
    .timeline-content {
        margin-left: 90px !important;
        margin-right: 0 !important;
    }
}

@media (max-width: 768px) {
    .navbar-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        padding: 30px;
        box-shadow: var(--shadow);
        transition: var(--transition);
    }
    

    
    /* 联系内容响应式 */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    /* 留言回复响应式 */
    .message-item {
        padding: 15px;
    }
    
    .message-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .message-actions {
        flex-direction: column;
        gap: 8px;
    }
    
    .message-actions button {
        width: 100%;
        text-align: center;
    }
}
    
    .navbar-menu.active {
        left: 0;
    }
    
    .navbar-toggle {
        display: flex;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-photo {
        flex: 0 0 250px;
        margin-top: 50px;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .skills-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .experience-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-btn {
        width: 100%;
        max-width: 250px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .hero-text p {
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
    }
    
    .container {
        padding: 0 16px;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item::before {
        left: 30px;
    }
    
    .timeline-date {
        padding-left: 80px !important;
        font-size: 16px;
    }
    
    .timeline-content {
        margin-left: 80px !important;
        padding: 20px;
    }
    
    .timeline-content h3 {
        font-size: 20px;
    }
    
    .timeline-company {
        font-size: 16px;
    }
    
    .timeline-content li {
        padding-left: 25px;
        font-size: 14px;
    }
    
    .timeline-content li::before {
        width: 20px;
        height: 20px;
        font-size: 12px;
    }
    

    

    
    /* 留言显示响应式 */
    .message-reply {
        padding: 12px;
        margin-top: 10px;
    }
    
    .reply-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
        margin-bottom: 5px;
    }
    
    .reply-content {
        padding: 10px;
    }
    
    .message-reply textarea {
        min-height: 80px;
    }
}