/* 全局样式设置 */
:root {
    --primary-color: #0071e3;
    --secondary-color: #f5f5f7;
    --text-color: #1d1d1f;
    --text-secondary: #6e6e73;
    --white: #ffffff;
    --black: #000000;
    --border-radius: 12px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    --transition: all 0.3s ease;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    --box-shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 滚动条样�?*/
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--secondary-color);
}

::-webkit-scrollbar-thumb {
    background: var(--text-secondary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-color);
}

/* 导航栏样�?*/
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.main-nav.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--box-shadow);
}

.main-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem var(--spacing-md);
    max-width: 1440px;
    margin: 0 auto;
}

.logo .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    padding: var(--spacing-xs) 0;
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

/* 移动端导航按�?*/
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
    z-index: 1001;
}

.toggle-icon {
    width: 100%;
    height: 2px;
    background-color: var(--text-color);
    transition: var(--transition);
}

.nav-toggle.active .toggle-icon:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.nav-toggle.active .toggle-icon:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .toggle-icon:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* 英雄区域样式 */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 60px;
    background-image: url('images/index_hero-bg.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.4) 50%, rgba(0, 0, 0, 0.6) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--spacing-md);
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    line-height: 1.4;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 0.85rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1rem;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

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

.btn-primary:hover {
    background-color: #005bb5;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 113, 227, 0.3);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--white);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* 通用区域标题 */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
    text-align: center;
    line-height: 1.2;
}

/* 关于我们区域样式 */
.about-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.about-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-content {
    padding: var(--spacing-md) 0;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.about-image {
    overflow: hidden;
    border-radius: var(--border-radius);
}

.about-img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.about-img:hover {
    transform: scale(1.03);
}

/* 主要项目板块样式 */
.projects-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--secondary-color);
}

.projects-section .container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.announcement-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.announcement-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

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

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

.project-image-container {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

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

.project-card:hover .project-image {
    transform: scale(1.05);
}

.project-content {
    padding: var(--spacing-md);
}

.project-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.project-content h3:first-of-type {
    margin-top: 0;
}

.project-content p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.project-content strong {
    color: var(--primary-color);
    font-weight: 600;
}

.project-features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.project-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    padding: 1rem;
    background-color: var(--secondary-color);
    border-radius: 12px;
}

.project-features li i {
    color: var(--primary-color);
    font-size: 1rem;
    margin-top: 0.15rem;
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.experience-card {
    background-color: var(--white);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

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

.experience-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), #005bb5);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.experience-card h4 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.75rem;
}

.experience-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.advantage-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.advantage-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background-color: var(--secondary-color);
    border-radius: 16px;
    transition: var(--transition);
}

.advantage-item:hover {
    background-color: rgba(0, 113, 227, 0.05);
    transform: translateX(5px);
}

.advantage-number {
    flex-shrink: 0;
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-color), #005bb5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.3);
}

.advantage-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.advantage-info p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--spacing-xs);
}

.project-description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.project-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

.project-link:hover {
    color: #005bb5;
}

.project-link i {
    margin-left: var(--spacing-xs);
    transition: var(--transition);
}

.project-link:hover i {
    transform: translateX(3px);
}

/* 业务优势样式 */
.features-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.features-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: var(--spacing-xl);
}

.feature-card {
    background: linear-gradient(145deg, var(--white), #f8f9fa);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), #005bb5, var(--primary-color));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 113, 227, 0.2);
}

.feature-icon-large {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), #005bb5);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: var(--white);
    transition: all 0.4s ease;
    box-shadow: 0 10px 25px rgba(0, 113, 227, 0.3);
}

.feature-card:hover .feature-icon-large {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 35px rgba(0, 113, 227, 0.4);
}

.feature-card .feature-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.8rem;
    letter-spacing: -0.02em;
}

.feature-card .feature-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 1.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.feature-details {
    background: linear-gradient(135deg, rgba(0, 113, 227, 0.03), rgba(0, 113, 227, 0.06));
    border-radius: 12px;
    padding: 1rem;
    border: 1px solid rgba(0, 113, 227, 0.08);
}

.feature-details ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
}

.feature-details li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.feature-details li i {
    color: var(--primary-color);
    font-size: 0.75rem;
    flex-shrink: 0;
}

/* 博物展览区域样式 */
.museum-exhibition {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, var(--secondary-color) 0%, var(--white) 100%);
}

.museum-exhibition .container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.exhibition-intro {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    text-align: center;
}

.exhibition-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: var(--spacing-lg);
    justify-items: center;
}

.exhibition-grid .exhibition-card:nth-child(4) {
    grid-column: 2;
}

.exhibition-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

.exhibition-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-hover);
    border-left-color: #005bb5;
}

.exhibition-icon {
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, var(--primary-color), #005bb5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.6rem;
    color: var(--white);
    transition: var(--transition);
}

.exhibition-card:hover .exhibition-icon {
    transform: scale(1.1) rotate(5deg);
}

.exhibition-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1.25rem;
}

.exhibition-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-point {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.feature-point i {
    flex-shrink: 0;
    color: var(--primary-color);
    font-size: 0.95rem;
    margin-top: 0.15rem;
}

.exhibition-summary {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-color), #005bb5);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-lg);
}

.summary-icon {
    flex-shrink: 0;
    width: 55px;
    height: 55px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.summary-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.summary-content p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin: 0;
}

/* 文博票务区域样式 */
.culture-ticket {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.culture-ticket .container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.ticket-intro {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    text-align: center;
}

.ticket-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: var(--spacing-lg);
    justify-items: center;
}

.ticket-grid .ticket-card:nth-child(4) {
    grid-column: 2;
}

.ticket-card {
    background-color: var(--secondary-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    transition: var(--transition);
    border-top: 4px solid var(--primary-color);
}

.ticket-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-hover);
    background-color: var(--white);
}

.ticket-icon {
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, #005bb5, var(--primary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.6rem;
    color: var(--white);
    transition: var(--transition);
}

.ticket-card:hover .ticket-icon {
    transform: scale(1.1) rotate(-5deg);
}

.ticket-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1.25rem;
}

.ticket-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ticket-point {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.ticket-point i {
    flex-shrink: 0;
    color: var(--primary-color);
    font-size: 0.95rem;
    margin-top: 0.15rem;
}

.ticket-summary {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, #005bb5, var(--primary-color));
    border-radius: var(--border-radius);
    margin-top: var(--spacing-lg);
}

.ticket-summary .summary-icon {
    flex-shrink: 0;
    width: 55px;
    height: 55px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.ticket-summary .summary-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.ticket-summary .summary-content p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin: 0;
}

/* 文博展览区域样式 */
.culture-exhibition {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--secondary-color) 100%);
}

.culture-exhibition .container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.culture-exhibition .exhibition-intro {
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.9;
    text-align: center;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    justify-items: center;
}

.culture-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 2.25rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.culture-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), #005bb5, var(--primary-color));
}

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

.culture-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.75rem;
    font-size: 1.8rem;
    color: var(--white);
    transition: var(--transition);
}

.culture-card:hover .culture-icon {
    transform: scale(1.15);
}

.culture-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.culture-features {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.culture-point {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.culture-point i {
    flex-shrink: 0;
    color: #667eea;
    font-size: 1rem;
    margin-top: 0.2rem;
}

/* 数据与运营分析区域样�?*/
.data-analysis {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.data-analysis .container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.analysis-intro {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    text-align: center;
}

.analysis-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: var(--spacing-lg);
    justify-items: center;
}

.analysis-grid .analysis-card:nth-child(4) {
    grid-column: 2;
}

.analysis-card {
    background-color: var(--secondary-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    transition: var(--transition);
    border-bottom: 4px solid #13c2c2;
}

.analysis-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-hover);
    background-color: var(--white);
}

.analysis-icon {
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, #13c2c2, #08979c);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.6rem;
    color: var(--white);
    transition: var(--transition);
}

.analysis-card:hover .analysis-icon {
    transform: scale(1.1) rotate(5deg);
}

.analysis-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1.25rem;
}

.analysis-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.analysis-point {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.analysis-point i {
    flex-shrink: 0;
    color: #13c2c2;
    font-size: 0.95rem;
    margin-top: 0.15rem;
}

.analysis-summary {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, #13c2c2, #08979c);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-lg);
}

.analysis-summary .summary-icon {
    flex-shrink: 0;
    width: 55px;
    height: 55px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.analysis-summary .summary-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.analysis-summary .summary-content p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin: 0;
}

/* 数字文保区域样式 */
.digital-preservation {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, var(--secondary-color) 0%, var(--white) 100%);
}

.digital-preservation .container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.preservation-intro {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    text-align: center;
}

.preservation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-bottom: var(--spacing-lg);
    justify-items: center;
}

.preservation-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 2.25rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.preservation-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #fa8c16, #d46b08, #fa8c16);
}

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

.preservation-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #fa8c16, #d46b08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.75rem;
    font-size: 1.8rem;
    color: var(--white);
    transition: var(--transition);
}

.preservation-card:hover .preservation-icon {
    transform: scale(1.15);
}

.preservation-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.preservation-features {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.preservation-point {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.preservation-point i {
    flex-shrink: 0;
    color: #fa8c16;
    font-size: 1rem;
    margin-top: 0.2rem;
}

.preservation-summary {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, #fa8c16, #d46b08);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-lg);
}

.preservation-summary .summary-icon {
    flex-shrink: 0;
    width: 55px;
    height: 55px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.preservation-summary .summary-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.preservation-summary .summary-content p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin: 0;
}

/* 内容更新与活动引流区域样�?*/
.content-update {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.content-update .container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.update-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    justify-items: center;
}

.update-card {
    background-color: var(--secondary-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    transition: var(--transition);
    border-top: 4px solid #722ed1;
}

.update-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-hover);
    background-color: var(--white);
}

.update-icon {
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, #722ed1, #531dab);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.6rem;
    color: var(--white);
    transition: var(--transition);
}

.update-card:hover .update-icon {
    transform: scale(1.1) rotate(-5deg);
}

.update-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1.25rem;
}

.update-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.update-point {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.update-point i {
    flex-shrink: 0;
    color: #722ed1;
    font-size: 0.95rem;
    margin-top: 0.15rem;
}

/* 平台优势列表样式 */
.advantage-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.advantage-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background-color: var(--secondary-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.advantage-item:hover {
    background-color: rgba(0, 113, 227, 0.05);
    transform: translateX(5px);
}

.advantage-number {
    flex-shrink: 0;
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-color), #005bb5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 700;
}

.advantage-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.advantage-info p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* 响应式设�?*/
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .about-grid, .contact-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .about-content .section-title, .contact-info .section-title {
        text-align: center;
    }
    
    .contact-info .section-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-text {
        text-align: center;
    }
    
    .contact-details {
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {
    .update-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        justify-items: stretch;
    }
    
    .preservation-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        justify-items: stretch;
    }
    
    .analysis-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        justify-items: stretch;
    }
    
    .culture-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        justify-items: stretch;
    }
    
    .ticket-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        justify-items: stretch;
    }
    
    .exhibition-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        justify-items: stretch;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        text-align: center;
    }
    
    .hero-cta {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .about-text, .project-description, .feature-description {
        font-size: 0.95rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .footer-logo .logo-text {
        font-size: 1.5rem;
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 1rem;
        right: 1rem;
    }
}


/* 联系我们样式 */
.contact-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #e8f0fe 100%);
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 113, 227, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.contact-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

.contact-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.contact-info {
    width: 100%;
    max-width: 600px;
    text-align: center;
}

.contact-info .section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: 1rem;
}

.contact-info .section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), #005bb5);
    border-radius: 2px;
}

.contact-details {
    background: var(--white);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    width: 100%;
}

.contact-details:hover {
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
    border-color: rgba(0, 113, 227, 0.2);
    transform: translateY(-3px);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.25rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.contact-item:hover {
    background-color: rgba(0, 113, 227, 0.02);
    margin: 0 -1rem;
    padding-left: 1rem;
    padding-right: 1rem;
    border-radius: 12px;
}

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

.contact-item i {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--primary-color), #005bb5);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    box-shadow: 0 6px 16px rgba(0, 113, 227, 0.3);
    transition: all 0.3s ease;
}

.contact-item:hover i {
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(0, 113, 227, 0.4);
}

.contact-item span {
    font-size: 1rem;
    color: var(--text-color);
    line-height: 1.6;
    font-weight: 400;
}

/* 页脚样式 */
.footer {
    background: linear-gradient(180deg, #1a1a2e 0%, #0f0f1a 100%);
    min-height: 300px;
    padding: 3rem 0;
    position: relative;
    box-sizing: border-box;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 113, 227, 0.5), transparent);
}

.footer .container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 var(--spacing-md);
}

.footer-logo {
    margin-bottom: var(--spacing-lg);
}

.footer-logo .logo-text {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--white), #a0a0b0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    padding: 1rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.footer-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

.footer-link:hover::after {
    width: 100%;
}

.copyright {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: var(--spacing-md) 0;
    width: 100%;
}

.copyright-text {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.copyright-text a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color 0.3s ease;
}

.copyright-text a:hover {
    color: var(--primary-color);
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: #0d6efd;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 99;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #0a58ca;
    transform: translateY(-3px);
    color: white;
}

/* 项目详情页图片画廊样�?*/
.project-image-gallery {
    width: 100%;
    margin-bottom: var(--spacing-md);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.main-image {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.image-thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-top: 8px;
}

.thumbnail {
    width: 100%;
    height: 120px;
    object-fit: cover;
    cursor: pointer;
    border-radius: 6px;
    transition: var(--transition);
    border: 2px solid transparent;
}

.thumbnail:hover {
    transform: scale(1.03);
    border-color: var(--primary-color);
}

.thumbnail.active {
    border-color: var(--primary-color);
}

/* 增强排版可读�?*/
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.3;
}

p {
    margin-bottom: 1.2rem;
    line-height: 1.7;
}

/* 响应式图片画�?*/
@media (max-width: 768px) {
    .image-thumbnails {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .thumbnail {
        height: 100px;
    }
}

@media (max-width: 480px) {
    .image-thumbnails {
        grid-template-columns: repeat(2, 1fr);
        gap: 4px;
    }
    
    .thumbnail {
        height: 80px;
    }
}

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

.fade-in {
    animation: fadeIn 1s ease forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

/* 时间线样�?*/
.timeline {
    position: relative;
    max-width: 1000px;
    margin: 4rem auto 0;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 25px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
}

.timeline-item {
    position: relative;
    margin-bottom: 4rem;
    display: flex;
    gap: 2rem;
}

.timeline-date {
    flex-shrink: 0;
    width: 60px;
    text-align: center;
    padding: 1rem 0.5rem;
    background: linear-gradient(135deg, var(--primary-color), #005bb5);
    border-radius: var(--border-radius);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 113, 227, 0.3);
    position: relative;
}

.timeline-date::before {
    content: '';
    position: absolute;
    right: -25px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 3px solid var(--white);
    box-shadow: 0 0 0 3px var(--primary-color);
}

.date-day {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
}

.date-month {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
}

.date-year {
    display: block;
    font-size: 0.75rem;
    opacity: 0.8;
}

.timeline-content {
    flex: 1;
    display: flex;
    gap: 1.5rem;
}

.timeline-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0.5rem;
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: var(--transition);
}

.timeline-item:hover .timeline-icon {
    background-color: var(--primary-color);
    color: var(--white);
    transform: scale(1.1);
}

.timeline-card {
    flex: 1;
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem 2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

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

.announcement-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.announcement-badge.important {
    background-color: #ff4d4f;
    color: var(--white);
}

.announcement-badge.new {
    background-color: #52c41a;
    color: var(--white);
}

.announcement-badge.event {
    background-color: #722ed1;
    color: var(--white);
}

.announcement-badge.safety {
    background-color: #1890ff;
    color: var(--white);
}

.announcement-badge.default {
    background-color: var(--secondary-color);
    color: var(--text-color);
}

.announcement-badge.cooperation {
    background-color: #fa8c16;
    color: var(--white);
}

.announcement-badge.optimization {
    background-color: #13c2c2;
    color: var(--white);
}

.announcement-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.announcement-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.announcement-content {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.announcement-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background-color: var(--secondary-color);
    color: var(--text-secondary);
    border-radius: 4px;
    font-size: 0.75rem;
    transition: var(--transition);
}

.tag:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* 响应式时间线 */
@media (max-width: 768px) {
    .timeline {
        padding-left: 0;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: column;
        margin-bottom: 3rem;
    }
    
    .timeline-date {
        width: 50px;
        align-self: flex-start;
    }
    
    .timeline-date::before {
        right: auto;
        left: 50%;
        top: 100%;
        transform: translateX(-50%);
        margin-top: 10px;
    }
    
    .timeline-content {
        flex-direction: column;
        padding-left: 0;
    }
    
    .timeline-icon {
        margin-top: 0;
        align-self: flex-start;
    }
    
    .timeline-card {
        border-left: none;
        border-top: 4px solid var(--primary-color);
    }
}

@media (max-width: 480px) {
    .timeline-card {
        padding: 1rem 1.25rem;
    }
    
    .announcement-title {
        font-size: 1.1rem;
    }
    
    .announcement-content {
        font-size: 0.9rem;
    }
}

/* 首页最新公告样�?*/
.latest-announcement {
    background: linear-gradient(135deg, var(--primary-color), #005bb5);
    border-radius: var(--border-radius);
    padding: 1.25rem;
    margin-top: var(--spacing-md);
    color: var(--white);
}

.announcement-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.announcement-header i {
    font-size: 1.2rem;
}

.announcement-label {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.announcement-link {
    text-decoration: none;
    color: inherit;
}

.announcement-link:hover .announcement-title {
    text-decoration: underline;
}

.announcement-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.announcement-excerpt {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.announcement-date {
    font-size: 0.8rem;
    opacity: 0.7;
}

/* 平台公告预览样式 */
.announcement-preview {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 3rem;
}

.announcement-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem 2rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

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

.announcement-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), #005bb5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.announcement-info {
    flex: 1;
}

.announcement-info .announcement-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.announcement-info .announcement-excerpt {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.announcement-info .announcement-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.announcement-more {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    padding: 0.75rem 1.25rem;
    background-color: var(--secondary-color);
    border-radius: 8px;
}

.announcement-more:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.announcement-more i {
    transition: var(--transition);
}

.announcement-more:hover i {
    transform: translateX(3px);
}

.announcement-mini-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.announcement-mini-link:hover .business-description {
    color: var(--primary-color);
}

.announcement-card {
    background: linear-gradient(135deg, rgba(0, 113, 227, 0.05), rgba(0, 113, 227, 0.1));
    border-left: 4px solid var(--primary-color);
}

.announcement-card .business-icon {
    background-color: var(--primary-color);
    color: var(--white);
}

/* 分页信息 */
.pagination-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.pagination-info span {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.pagination-info strong {
    color: var(--primary-color);
    font-size: 1.1rem;
}

/* 分页容器 */
.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 3rem;
    padding: 2rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.pagination-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--secondary-color);
    color: var(--text-color);
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.pagination-btn:hover:not(.disabled) {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.pagination-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-numbers {
    display: flex;
    gap: 0.5rem;
}

.page-number {
    width: 40px;
    height: 40px;
    background-color: var(--secondary-color);
    color: var(--text-color);
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.page-number:hover:not(.active) {
    background-color: var(--primary-color);
    color: var(--white);
}

.page-number.active {
    background-color: var(--primary-color);
    color: var(--white);
}

/* 查看详情按钮 */
.view-detail {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1rem;
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.view-detail:hover {
    gap: 0.75rem;
}

.download-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #0066cc, #00a8ff);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.download-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.4);
}

.timeline-card.clickable {
    cursor: pointer;
}

/* 弹窗样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: var(--spacing-md);
}

.modal-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background-color: var(--white);
    border-radius: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    box-shadow: none;
    transform: translateY(20px);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.modal-overlay.visible .modal-container {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--secondary-color);
    background: linear-gradient(135deg, var(--primary-color), #005bb5);
    color: var(--white);
}

.modal-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.modal-badge.important {
    background-color: #ff4d4f;
}

.modal-badge.new {
    background-color: #52c41a;
}

.modal-badge.event {
    background-color: #722ed1;
}

.modal-badge.safety {
    background-color: #1890ff;
}

.modal-badge.default {
    background-color: rgba(255, 255, 255, 0.3);
}

.modal-badge.cooperation {
    background-color: #fa8c16;
}

.modal-badge.optimization {
    background-color: #13c2c2;
}

.modal-title {
    flex: 1;
    font-size: 1.4rem;
    font-weight: 600;
    margin: 0;
}

.modal-close {
    width: 48px;
    height: 48px;
    background-color: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: background-color 0.3s ease;
}

.modal-close:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.modal-body {
    padding: 2rem 200px;
    overflow-y: auto;
    flex: 1;
}

.modal-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.modal-content {
    font-size: 1rem;
    color: var(--text-color);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.modal-content p {
    margin-bottom: 1rem;
}

.modal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.modal-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--secondary-color);
    display: flex;
    justify-content: flex-end;
}

.modal-close-btn {
    padding: 0.75rem 2rem;
}

/* 响应式弹�?*/
@media (max-width: 768px) {
    .pagination-info {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .pagination-container {
        flex-wrap: wrap;
        padding: 1rem;
    }
    
    .pagination-btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
    
    .page-number {
        width: 35px;
        height: 35px;
        font-size: 0.85rem;
    }
    
    .modal-container {
        max-height: 90vh;
    }
    
    .modal-header {
        padding: 1rem 1.5rem;
    }
    
    .modal-title {
        font-size: 1.2rem;
    }
    
    .modal-body {
        padding: 1.25rem;
    }
    
    .modal-footer {
        padding: 1rem 1.5rem;
    }
    
    .latest-announcement {
        padding: 1rem;
    }
    
    .announcement-title {
        font-size: 1rem;
    }
    
    .announcement-excerpt {
        font-size: 0.85rem;
    }
    
    .announcement-item {
        flex-direction: column;
        text-align: center;
        padding: 1.25rem;
    }
    
    .announcement-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .announcement-info .announcement-title {
        font-size: 1.1rem;
    }
    
    .announcement-info .announcement-excerpt {
        -webkit-line-clamp: 3;
    }
    
    .announcement-more {
        width: 100%;
        justify-content: center;
    }
}