:root {
    --primary-color: #00A6B2;
    --secondary-color: #005EC9;
    --accent-color: #00C78E;
    --text-color: #333;
    --light-text: #666;
    --bg-color: #fff;
    --light-bg: #f5f7fa;
    --border-color: #e5e9f2;
    --gradient-primary: linear-gradient(129deg, #005EC9 0%, #00A6B2 52%, #00B2B0 74%, #00C78E 100%);
    --gradient-nav: linear-gradient(90deg, rgba(25,110,237,0.95) 0%, rgba(0,166,178,0.95) 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
    background-color: #000033;
    color: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* 导航栏样式 */
header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: var(--gradient-nav);
    padding: 0.5rem 0;
}

nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 1.2rem 5%;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    height: 50px;
    width: auto;
    margin-left: 40px;
}

.logo h1 {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 500;
    opacity: 0;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    color: #fff;
    font-weight: 400;
    font-size: 1.1rem;
    padding: 0.5rem 0;
    position: relative;
    text-decoration: none;
}

.nav-links a:hover {
    color: var(--accent-color);
}

.nav-links a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    bottom: -2px;
    left: 0;
    transition: width 0.3s ease;
}

.nav-links a:hover:after {
    width: 100%;
}

.menu-btn {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: color 0.3s ease;
}

.menu-btn:hover {
    color: var(--accent-color);
}

@media screen and (max-width: 768px) {
    .menu-btn {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--gradient-nav);
        flex-direction: column;
        padding: 1rem 0;
        gap: 0;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
    }

    .nav-links a {
        display: block;
        padding: 1rem 0;
    }

    .logo-img {
        height: 40px;
        margin-left: 0;
    }

    nav {
        padding: 1rem;
        justify-content: space-between;
    }
}

/* 主要内容区域 */
main {
    margin-top: -35px;
}

/* Hero区域 */
.hero-section {
    position: relative;
    min-height: 100vh;
    padding: 3rem 1rem;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    width: 100%;
}

/* Logo 区域 */
.header {
    margin-bottom: 5rem;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.logo {
    height: 45px;
    width: auto;
}

.company-title {
    color: #00B2FF;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

/* 标题区域 */
.content-container {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 15px;
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.harmony-title {
    margin-bottom: 2rem;
}

.title-group {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.main-title-wrapper {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.harmony-title h1 {
    font-size: 3rem;
    font-weight: bold;
    color: #ffffff;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.version-tag {
    background-color: #FFD700;
    color: #000;
    padding: 0.4rem 1.2rem;
    border-radius: 6px;
    font-size: 1.6rem;
    font-weight: bold;
    transform: translateY(4px);
}

.main-title {
    font-size: 4rem;
    font-weight: bold;
    background: linear-gradient(to right, #ffffff 30%, #4B9EFF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
    line-height: 1.1;
}

.sub-title-wrapper {
    margin-top: 0.5rem;
}

/* 标题和卡片区域样式 */
.headline-section {
    text-align: center;
    margin-bottom: 3rem;
}

.headline {
    font-size: 2.5rem;
    color: #ffffff;
    font-weight: bold;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.cards-container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.info-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 2rem;
    width: 340px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.info-card h3 {
    color: #0052D9;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.subtitle {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.5;
}

/* 统计数据样式 */
.stats {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stat-item .number {
    font-size: 2rem;
    color: #0052D9;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.stat-col {
    flex: 1;
}

.stat-col .number {
    font-size: 1.5rem;
    color: #0052D9;
    font-weight: bold;
}

.unit {
    font-size: 1rem;
    margin-left: 2px;
}

.label {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.4;
}

/* 操作系统图表样式 */
.os-diagram {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    position: relative;
    height: 200px;
}

.os-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
    font-size: 0.9rem;
    text-align: center;
    padding: 1rem;
}

.harmonyos {
    background: #0052D9;
}

.android {
    background: #3DDC84;
}

.ios {
    background: #000000;
}

/* 支持列表样式 */
.support-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.support-list li {
    color: #333;
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.sub-title {
    font-size: 2rem;
    color: #ffffff;
    font-weight: normal;
    letter-spacing: 1px;
    opacity: 0.95;
}

/* 按钮样式 */
.cta-section {
    margin-top: 0rem;
}

.cta-button {
    background-color: #0066FF;
    color: white;
    border: none;
    padding: 1rem 4.5rem;
    font-size: 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    letter-spacing: 1px;
}

.cta-button:hover {
    transform: translateY(-2px);
    background-color: #0052CC;
    box-shadow: 0 8px 25px rgba(0, 102, 255, 0.3);
}

/* 特性列表 */
.features {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    max-width: 900px;
}

.feature-item {
    background-color: rgba(255, 255, 255, 0.98);
    border-radius: 12px;
    padding: 1.8rem 2.5rem;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: 0 4px 20px rgba(0, 102, 255, 0.15);
}

.feature-content {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.check-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
}

.check-icon {
    color: #0066FF;
    font-size: 1.6rem;
    font-weight: bold;
}

.feature-text {
    font-size: 1.3rem;
    color: #000033;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* 背景圆圈 */
.background-circle {
    position: absolute;
    top: 40%;
    right: -5%;
    width: 900px;
    height: 900px;
    border-radius: 50%;
    border: 80px solid #0066FF;
    opacity: 0.06;
    z-index: 1;
}

/* 响应式设计 */
@media (max-width: 1440px) {
    .hero-section {
        padding: 3rem 4rem;
    }

    .harmony-title h1 {
        font-size: 3.5rem;
    }

    .main-title {
        font-size: 5rem;
    }

    .sub-title {
        font-size: 2.2rem;
    }

    .background-circle {
        width: 800px;
        height: 800px;
        border-width: 60px;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 0;
    }

    .header {
        margin-bottom: 3rem;
    }

    .company-title {
        font-size: 0.9rem;
    }

    .harmony-title h1 {
        font-size: 2.8rem;
    }

    .version-tag {
        font-size: 1.2rem;
        padding: 0.3rem 0.8rem;
    }

    .main-title {
        font-size: 3.5rem;
    }

    .sub-title {
        font-size: 1.8rem;
    }

    .feature-text {
        font-size: 1.1rem;
    }

    .background-circle {
        width: 400px;
        height: 400px;
        right: -50%;
        border-width: 40px;
    }

    .cta-button {
        padding: 1rem 3rem;
        font-size: 1.3rem;
    }

    .features {
        margin-top: 3rem;
    }

    .feature-item {
        padding: 1.5rem 2rem;
    }
}

/* 添加动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-container > * {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.harmony-title {
    animation-delay: 0.2s;
}

.cta-section {
    animation-delay: 0.4s;
}

.features {
    animation-delay: 0.6s;
}

.feature-item {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.feature-item:nth-child(1) {
    animation-delay: 0.8s;
}

.feature-item:nth-child(2) {
    animation-delay: 1s;
}

/* 内容区域样式 */
.content {
    padding: 60px 0;
    background: linear-gradient(135deg, #f6f9fc 0%, #ffffff 100%);
}

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

.content-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.content-item {
    display: flex;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.content-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.content-image {
    width: 40%;
    position: relative;
    overflow: hidden;
}

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

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

.content-text {
    width: 60%;
    padding: 25px;
}

.content-text h3 {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 10px;
}

.content-text h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.content-text p {
    color: var(--light-text);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-color);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.feature-list i {
    color: var(--accent-color);
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .content-grid {
        gap: 20px;
    }
    
    .content-text {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .content {
        padding: 40px 0;
    }

    .content-grid {
        grid-template-columns: 1fr;
    }

    .content-item {
        flex-direction: column;
    }

    .content-image {
        width: 100%;
        height: 200px;
    }

    .content-text {
        width: 100%;
    }
}

/* 侧边栏样式 */
.sidebar {
    width: 250px;
    padding-right: 2rem;
}

.sidebar ul {
    list-style: none;
}

.sidebar li {
    padding: 1rem;
    border-left: 3px solid transparent;
    cursor: pointer;
}

/* .sidebar li:first-child {
    border-left-color: #00b38a;
    background-color: #f5f5f5;
} */

/* 主要内容区域样式 */
.main-content {
    flex: 1;
}

.main-content h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.laptop-preview {
    margin: 2rem 0;
    text-align: center;
}

.laptop-preview img {
    max-width: 100%;
    height: auto;
}

/* 业务应用卡片样式 */
.business-applications h3 {
    font-size: 1.5rem;
    margin: 2rem 0;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.application-card {
    padding: 1.5rem;
    border: 1px solid #eee;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.application-card .icon {
    width: 50px;
    height: 50px;
    margin-bottom: 1rem;
}

.application-card .icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.application-card h4 {
    color: #333;
    margin-bottom: 0.5rem;
}

/* DRGs部分样式 */
.drgs-section {
    background-color: #f5f5f5;
    padding: 2rem;
    border-radius: 8px;
    margin-top: 2rem;
}

.drgs-section .icon {
    width: 50px;
    height: 50px;
    margin-bottom: 1rem;
}

.drgs-section .icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.drgs-section h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.drgs-section p {
    color: #666;
    line-height: 1.8;
} 


.footer-bottom {
    margin-top: 3rem;
    padding: 1.5rem 0;
    background: var(--gradient-primary);
}

.footer-bottom-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.footer-logo {
    height: 30px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.footer-bottom p {
    color: white;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* 智能核保页面特定样式 */
.sidebar li.active {
    border-left-color: var(--accent-color);
    background-color: var(--light-bg);
    color: var(--accent-color);
    font-weight: 500;
}

.features-section {
    margin-top: 4rem;
    background-color: var(--light-bg);
    padding: 3rem;
    border-radius: 12px;
}

.features-section h3 {
    font-size: 1.8rem;
    color: var(--text-color);
    margin-bottom: 2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
}

.feature-content h4 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.feature-content p {
    color: var(--light-text);
    font-size: 0.95rem;
    line-height: 1.6;
}

.application-card .icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-item {
        padding: 1rem;
    }

    .features-section {
        padding: 2rem;
        margin-top: 2rem;
    }
}

/* 业务场景部分 */
.business-scenarios {
    padding: 80px 0;
    background: linear-gradient(135deg, #f6f9fc 0%, #ffffff 100%);
}

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

.section-header h2 {
    font-size: 2.5rem;
    /* color: var(--text-color); */
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 20px;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.section-header p {
    color: var(--light-text);
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.scenario-card {
    background: #fff;
    border-radius: 15px;
    padding: 35px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
}

.scenario-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.scenario-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.scenario-card:hover::before {
    transform: scaleX(1);
}

.scenario-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.scenario-icon i {
    font-size: 24px;
    color: #fff;
}

.scenario-card h3 {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 15px;
}

.scenario-card p {
    color: var(--light-text);
    margin-bottom: 25px;
    line-height: 1.6;
}

.scenario-features {
    list-style: none;
}

.scenario-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-color);
    margin-bottom: 12px;
}

.scenario-features i {
    color: var(--accent-color);
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .scenarios-grid {
        gap: 20px;
    }
    
    .scenario-card {
        padding: 25px;
    }
}

@media (max-width: 768px) {
    .business-scenarios {
        padding: 60px 0;
    }

    .scenarios-grid {
        grid-template-columns: 1fr;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .section-header p {
        font-size: 1.1rem;
    }
}

.career-prospects{
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.job-tags {
   
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 1rem;
}

.job-tags .job-tag {
    background-color: #658dd2;
     padding: 1rem;
    border-radius: 5px;
}


.harmony-title,.fetures{
    display: flex;
    justify-content: center;
}

/* 课程大纲样式 */
.course-outline {
    margin-top: 4rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.outline-section {
    color: #fff;
    margin-bottom: 4rem;
}

.outline-section:last-child {
    margin-bottom: 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.circle-icon {
    color: #00B2FF;
    font-size: 1.2rem;
}

.section-title {
    font-size: 2rem;
    font-weight: bold;
    color: #fff;
    letter-spacing: 1px;
}

.duration-tag {
    text-align: center;
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.features-section {
    margin-bottom: 3rem;
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 12px;
}

.features-title {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1.5rem;
    padding-left: 1rem;
    border-left: 4px solid #00B2FF;
}

.features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.features-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.8rem 1.2rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.bullet {
    color: #00B2FF;
    font-size: 1.2rem;
}

.features-list .feature-text {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #333;
}

.syllabus-section {
    margin-top: 2rem;
}

/* 轮播图样式 */
.carousel-container {
    position: relative;
    width: 300px;
    overflow: hidden;
    margin: 0 auto;
}

.carousel-wrapper {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel-slide {
    min-width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.carousel-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    z-index: 10;
}

.carousel-button.prev {
    left: 10px;
}

.carousel-button.next {
    right: 10px;
}

.carousel-dots {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
}

.carousel-dot.active {
    background: white;
}

.syllabus-title {
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 2rem;
    padding-left: 1rem;
    border-left: 4px solid #00B2FF;
}

.syllabus-content {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 2rem;
}

.syllabus-item {
    margin-bottom: 2rem;
}

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

.item-title {
    font-size: 1.3rem;
    color: #00B2FF;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.item-row {
    display: flex;
    margin-bottom: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.item-row:hover {
    background: rgba(255, 255, 255, 0.05);
}

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

.row-label {
    flex: 0 0 150px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.row-content {
    flex: 1;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .course-outline {
        margin-top: 2rem;
        padding: 1rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .features-title,
    .syllabus-title {
        font-size: 1.3rem;
    }

    .feature-text {
        font-size: 1rem;
    }

    .item-row {
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.8rem;
    }

    .row-label {
        flex: none;
        margin-bottom: 0.3rem;
    }

    .row-content {
        font-size: 0.95rem;
    }

    .syllabus-content {
        padding: 1.5rem;
    }
}

/* 课程概览表格样式 */
.course-features {
    max-width: 1200px;
    margin: 2rem auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.course-table {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

.table-header {
    display: flex;
    background: #0066FF;
    color: white;
    padding: 1.2rem 2rem;
}

.header-cell {
    flex: 1;
    font-weight: bold;
    text-align: left;
    font-size: 1.1rem;
}

.table-row {
    position: relative;
    display: flex;
    padding: 1.2rem 2rem;
    border-bottom: 1px solid #eee;
    align-items: center;
    background: white;
    transition: background-color 0.3s ease;
}

.table-row:hover {
    background: #f8f9fa;
}

.table-row:last-child {
    border-bottom: none;
}

.row-cell {
    flex: 4;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: #333;
    position: relative;
}

.row-cell.days {
    flex: 1;
    justify-content: center;
    color: #0066FF;
    font-weight: 500;
}

.course-number {
    width: 28px;
    height: 28px;
    background: #0066FF;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.course-name {
    font-size: 1.1rem;
    color: #333;
    font-weight: 500;
}

.project-tag {
    position: absolute;
    top: 25px;
    left: 45px;
    background: #e3f2fd;
    color: #0066FF;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.85rem;
}

/* 课程概览响应式设计 */
@media (max-width: 768px) {
    .course-table {
        margin: 0 1rem;
        font-size: 0.9rem;
    }

    .table-header, .table-row {
        padding: 1rem;
    }

    .course-name {
        font-size: 1rem;
    }

    .project-tag {
        position: static;
        margin-left: 1rem;
        font-size: 0.8rem;
    }

    .row-cell {
        flex-wrap: wrap;
    }
}