/* 联系我们页面样式 */
:root {
    --primary-color: #4A90E2;
    --secondary-color: #34495E;
    --accent-color: #2ECC71;
    --text-color: #333;
    --light-text: #666;
    --background-color: #F5F7FA;
    --card-background: #FFFFFF;
    --hover-color: #3498DB;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

/* 主要内容区域 */
.contact-main {
    min-height: 100vh;
    background: var(--background-color);
}

/* 顶部横幅 */
.contact-banner {
    position: relative;
    height: 600px;
    background: #fff url('../images/contact/banner-bg.png') repeat;
    background-size: auto 100%;
    display: flex;
    align-items: flex-start;
    padding: 120px 15% 0;
    overflow: hidden;
}

.contact-banner::before {
    content: '';
    position: absolute;
    top: 0;
    right: 350px;
    width: 400px;
    height: 100%;
    background: url('../images/contact/banner-bg1.png') no-repeat center;
    background-size: contain;
    animation: floatUpDown 6s ease-in-out infinite;
    z-index: 1;
    filter: drop-shadow(0 0 15px rgba(74, 144, 226, 0.3));
}

.contact-banner::after {
    content: '';
    position: absolute;
    top: 0;
    right: 350px;
    width: 400px;
    height: 100%;
    background: inherit;
    background-size: contain;
    animation: glowPulse 4s ease-in-out infinite;
    z-index: 0;
    opacity: 0.4;
    filter: blur(20px);
}

/* 光效动画 */
.contact-banner .light-effect {
    position: absolute;
    top: 50%;
    right: 500px;
    width: 100px;
    height: 400px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        rgba(74, 144, 226, 0.3),
        transparent
    );
    transform: rotate(15deg) translateY(-50%);
    filter: blur(5px);
    animation: lightMove 8s linear infinite;
    z-index: 1;
}

@keyframes floatUpDown {
    0%, 100% {
        transform: translateY(0) rotate(2deg);
    }
    50% {
        transform: translateY(-20px) rotate(-2deg);
    }
}

@keyframes glowPulse {
    0%, 100% {
        opacity: 0.2;
        transform: scale(1.05);
    }
    50% {
        opacity: 0.4;
        transform: scale(1);
    }
}

@keyframes lightMove {
    0% {
        transform: rotate(15deg) translateY(-50%) translateX(-100%);
        opacity: 0;
    }
    20% {
        opacity: 1;
    }
    80% {
        opacity: 1;
    }
    100% {
        transform: rotate(15deg) translateY(-50%) translateX(500%);
        opacity: 0;
    }
}

.banner-content {
    color: #fff;
    position: relative;
    z-index: 2;
    max-width: 600px;
    padding-top: 40px;
    margin-left: 100px;
}

.banner-content h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    color: #fff;
    position: relative;
    display: inline-block;
}

.banner-content h1::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: #fff;
}

.banner-content p {
    font-size: 20px;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    line-height: 1.6;
}

.contact-info {
    margin-top: 40px;
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    padding: 12px 25px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 30px;
    transition: all 0.3s ease;
}

.info-item:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.25);
}

.info-item img {
    width: 24px;
    height: 24px;
    margin-right: 15px;
    filter: brightness(0) invert(1);
}

.info-item span {
    font-size: 18px;
    color: #ffffff;
}

/* 通用部分样式 */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--text-color);
    margin-bottom: 10px;
}

.section-title p {
    font-size: 18px;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* 企业介绍 */
.company-intro {
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    position: relative;
    overflow: hidden;
}

.company-intro::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(46, 204, 113, 0.1) 100%);
    transform: rotate(-15deg);
    z-index: 1;
}

.intro-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.intro-text {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.intro-text h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 20px;
}

.intro-desc {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.intro-desc .highlight {
    font-size: 18px;
    line-height: 1.6;
    color: var(--text-color);
    margin: 0;
}

.intro-desc .highlight span {
    color: var(--primary-color);
    font-weight: 600;
}

.intro-desc .sub-detail {
    font-size: 15px;
    line-height: 1.6;
    color: var(--light-text);
    margin: 0;
}

.intro-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.intro-card {
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: all 0.3s ease;
}

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

.card-header {
    padding: 25px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    position: relative;
    overflow: hidden;
}

.card-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.1),
        rgba(255, 255, 255, 0.2)
    );
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

.card-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.card-icon img {
    width: 28px;
    height: 28px;
    filter: brightness(0) invert(1);
}

.card-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 5px;
}

.card-tag {
    font-size: 14px;
    opacity: 0.9;
}

.card-content {
    padding: 25px;
}

.card-desc {
    font-size: 16px;
    color: var(--light-text);
    margin-bottom: 20px;
}

/* 进度条样式 */
.progress-bar {
    height: 8px;
    background: rgba(74, 144, 226, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin: 20px 0;
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 4px;
    transition: width 1s ease;
    position: relative;
    overflow: hidden;
}

.progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    animation: progressShimmer 2s infinite;
}

/* 环形进度条 */
.ring-progress {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 20px auto;
}

.ring-progress svg {
    transform: rotate(-90deg);
}

.ring-progress circle {
    fill: none;
    stroke-width: 8;
    stroke-linecap: round;
}

.ring-bg {
    stroke: rgba(74, 144, 226, 0.1);
}

.ring-value {
    stroke: var(--primary-color);
    stroke-dasharray: 283;
    stroke-dashoffset: 3;
    animation: ringProgress 1.5s ease-out forwards;
}

.ring-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

/* 波浪效果 */
.wave-stats {
    position: relative;
    height: 100px;
    margin: 20px 0;
    overflow: hidden;
}

.wave-container {
    position: relative;
    height: 100%;
    background: rgba(74, 144, 226, 0.1);
    border-radius: 12px;
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 12px;
    animation: wave 3s linear infinite;
}

.wave::before,
.wave::after {
    content: '';
    position: absolute;
    top: -35px;
    left: 0;
    width: 100%;
    height: 60px;
    background: inherit;
    border-radius: 50%;
}

.wave::after {
    top: -25px;
    opacity: 0.5;
    animation: wave 3s linear infinite;
}

.wave-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.card-stats {
    text-align: center;
    margin-top: 20px;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--light-text);
}

@keyframes shimmer {
    0% {
        transform: rotate(45deg) translateX(-100%);
    }
    100% {
        transform: rotate(45deg) translateX(100%);
    }
}

@keyframes progressShimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

@keyframes ringProgress {
    from {
        stroke-dashoffset: 283;
    }
    to {
        stroke-dashoffset: 3;
    }
}

@keyframes wave {
    0% {
        transform: translateX(0) translateZ(0) scaleY(1);
    }
    50% {
        transform: translateX(-25%) translateZ(0) scaleY(0.8);
    }
    100% {
        transform: translateX(-50%) translateZ(0) scaleY(1);
    }
}

@media (max-width: 1024px) {
    .intro-grid {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .intro-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .intro-grid {
        grid-template-columns: 1fr;
    }
}

.intro-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 50px;
    position: relative;
}

.stat-item {
    flex: 1;
    min-width: 280px;
    background: #fff;
    padding: 30px;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(74, 144, 226, 0.1);
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: var(--primary-color);
    transition: all 0.3s ease;
}

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

.stat-item:hover::before {
    width: 100%;
    opacity: 0.1;
}

.stat-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(74, 144, 226, 0.1);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.stat-icon img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.stat-item:hover .stat-icon {
    background: var(--primary-color);
}

.stat-item:hover .stat-icon img {
    filter: brightness(0) invert(1);
}

.stat-content {
    flex: 1;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 5px;
    display: flex;
    align-items: flex-end;
    gap: 5px;
}

.stat-number span {
    font-size: 16px;
    color: var(--light-text);
    font-weight: 500;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 16px;
    color: var(--light-text);
    font-weight: 500;
}

.stat-trend {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 8px;
    font-size: 14px;
}

.trend-up {
    color: var(--accent-color);
}

.trend-down {
    color: #e74c3c;
}

.trend-icon {
    font-size: 12px;
}

@media (max-width: 768px) {
    .stat-item {
        min-width: 100%;
    }
}

.intro-image {
    position: relative;
    height: 100%;
    min-height: 400px;
}

.intro-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.intro-image::after {
    content: '';
    position: absolute;
    top: 20px;
    right: 20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    z-index: -1;
}

@media (max-width: 1024px) {
    .intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .intro-text {
        padding-right: 0;
    }
    
    .intro-image {
        min-height: 300px;
    }
}

@media (max-width: 768px) {
    .intro-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .intro-text h3 {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .intro-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-item {
        padding: 20px 15px;
    }
    
    .stat-number {
        font-size: 36px;
    }
}

/* 企业文化 */
.company-culture {
    background: var(--background-color);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.company-culture::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.05) 0%, rgba(46, 204, 113, 0.05) 100%);
    z-index: 1;
}

.culture-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    position: relative;
    z-index: 2;
}

.culture-image {
    position: relative;
    height: 100%;
    min-height: 600px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.culture-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.culture-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 40px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
}

.overlay-text {
    color: #fff;
    font-size: 24px;
    font-weight: 600;
    text-align: center;
    letter-spacing: 2px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.culture-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.culture-item {
    background: #fff;
    padding: 30px;
    border-radius: 20px;
    display: flex;
    gap: 25px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.culture-item:hover {
    transform: translateX(10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.culture-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
}

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

.culture-text {
    flex: 1;
}

.culture-text h3 {
    font-size: 22px;
    color: var(--text-color);
    margin-bottom: 10px;
}

.culture-text p {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 500;
}

.culture-detail {
    font-size: 15px;
    color: var(--light-text);
    line-height: 1.6;
}

.value-tag {
    display: inline-block;
    padding: 6px 15px;
    background: rgba(74, 144, 226, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    margin: 5px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.value-tag:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
}

@media (max-width: 1024px) {
    .culture-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .culture-image {
        min-height: 400px;
    }
}

@media (max-width: 768px) {
    .culture-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 25px;
    }
    
    .culture-icon {
        margin-bottom: 15px;
    }
    
    .overlay-text {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .company-culture {
        padding: 60px 0;
    }
    
    .culture-image {
        min-height: 300px;
    }
    
    .culture-text h3 {
        font-size: 20px;
    }
    
    .culture-text p {
        font-size: 16px;
    }
    
    .value-tag {
        padding: 5px 12px;
        font-size: 13px;
    }
}

/* 发展历程 */
.company-history {
    background: linear-gradient(225deg, #f8f9fa 0%, #fff 100%);
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}

.company-history::before {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -50%;
    width: 120%;
    height: 120%;
    background: linear-gradient(225deg, rgba(46, 204, 113, 0.08) 0%, rgba(74, 144, 226, 0.08) 100%);
    transform: rotate(25deg);
    z-index: 1;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
}

.timeline-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    position: relative;
    height: 500px;
}

.timeline-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.timeline-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.timeline-line::before {
    content: '';
    position: absolute;
    top: 70%;
    left: 5%;
    width: 90%;
    height: 500px;
    border: none;
    border-bottom: 2px solid rgba(74, 144, 226, 0.2);
    border-radius: 0 0 200% 200%;
    transform-origin: center bottom;
    transform: translateY(-50%);
    background: linear-gradient(90deg, 
        rgba(74, 144, 226, 0.05),
        rgba(46, 204, 113, 0.2),
        rgba(74, 144, 226, 0.05)
    );
    box-shadow: 0 0 30px rgba(74, 144, 226, 0.1),
                0 0 60px rgba(46, 204, 113, 0.1);
    background-size: 300% 100%;
    animation: timelineGlow 6s linear infinite;
}

.timeline-years {
    position: absolute;
    bottom: 20px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 20px;
    z-index: 2;
}

.year-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.year-item:nth-child(1),
.year-item:nth-child(2),
.year-item:nth-child(3),
.year-item:nth-child(4),
.year-item:nth-child(5) {
    position: relative;
    left: auto;
    right: auto;
    top: auto;
    transform: none;
}

.year-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--light-text);
    transition: all 0.3s ease;
    white-space: nowrap;
}

.year-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid #E8EEF6;
    transition: all 0.3s ease;
    position: relative;
}

.year-dot::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #E8EEF6;
    transition: all 0.3s ease;
}

.year-item.active .year-text {
    color: var(--primary-color);
    transform: scale(1.1);
}

.year-item.active .year-dot {
    border-color: var(--primary-color);
    transform: scale(1.2);
}

.year-item.active .year-dot::before {
    background: var(--primary-color);
    animation: glowDot 2s infinite;
}

.timeline-content {
    position: absolute;
    top: 5%;
    left: 50%;
    transform: translateX(-50%);
    width: 500px;
    z-index: 3;
}

.content-item {
    display: none;
    background: rgba(255, 255, 255, 0.9);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.content-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transform: translateX(-100%);
    animation: shimmerEffect 3s infinite;
}

.content-item.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
    animation: contentFadeIn 0.5s ease forwards;
}

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

.milestone-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 20px;
    font-size: 16px;
    color: var(--text-color);
    line-height: 1.6;
    transition: all 0.3s ease;
}

.milestone-list li:hover {
    transform: translateX(10px);
    color: var(--primary-color);
}

.milestone-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-color);
    animation: pulseDot 2s infinite;
}

/* 年份点动效 */
.year-item {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.year-item:hover .year-dot {
    transform: scale(1.2);
    box-shadow: 0 0 15px var(--primary-color);
}

.year-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid #E8EEF6;
    transition: all 0.3s ease;
    position: relative;
}

.year-dot::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #E8EEF6;
    transition: all 0.3s ease;
}

.year-item.active .year-dot {
    border-color: var(--primary-color);
    transform: scale(1.2);
    box-shadow: 0 0 20px var(--primary-color);
}

.year-item.active .year-dot::before {
    background: var(--primary-color);
    animation: glowDot 2s infinite;
}

/* 时间线动效 */
.timeline-line::before {
    content: '';
    position: absolute;
    top: 70%;
    left: 5%;
    width: 90%;
    height: 500px;
    border: none;
    border-bottom: 2px solid rgba(74, 144, 226, 0.2);
    border-radius: 0 0 200% 200%;
    transform-origin: center bottom;
    transform: translateY(-50%);
    background: linear-gradient(90deg, 
        rgba(74, 144, 226, 0.05),
        rgba(46, 204, 113, 0.2),
        rgba(74, 144, 226, 0.05)
    );
    box-shadow: 0 0 30px rgba(74, 144, 226, 0.1),
                0 0 60px rgba(46, 204, 113, 0.1);
    background-size: 300% 100%;
    animation: timelineGlow 6s linear infinite;
}

/* 动画关键帧 */
@keyframes contentFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shimmerEffect {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

@keyframes pulseDot {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.5);
        opacity: 0.5;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes glowDot {
    0% {
        box-shadow: 0 0 5px var(--primary-color);
    }
    50% {
        box-shadow: 0 0 20px var(--primary-color);
    }
    100% {
        box-shadow: 0 0 5px var(--primary-color);
    }
}

@keyframes lineGlow {
    0% {
        background-position: 100% 0;
    }
    100% {
        background-position: -100% 0;
    }
}

@keyframes gradientMove {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes timelineGlow {
    0% {
        background-position: 0% 50%;
        box-shadow: 0 0 30px rgba(74, 144, 226, 0.1),
                    0 0 60px rgba(46, 204, 113, 0.1);
    }
    50% {
        background-position: 100% 50%;
        box-shadow: 0 0 40px rgba(46, 204, 113, 0.2),
                    0 0 80px rgba(74, 144, 226, 0.2);
    }
    100% {
        background-position: 0% 50%;
        box-shadow: 0 0 30px rgba(74, 144, 226, 0.1),
                    0 0 60px rgba(46, 204, 113, 0.1);
    }
}

@media (max-width: 1200px) {
    .timeline-container {
        height: 400px;
    }
    
    .timeline-line,
    .timeline-years {
        height: 200px;
    }
}

@media (max-width: 768px) {
    .timeline-container {
        height: 350px;
    }
    
    .timeline-line,
    .timeline-years {
        height: 175px;
    }
}

@media (max-width: 480px) {
    .timeline-container {
        height: auto;
        padding-bottom: 300px;
    }

    .timeline-slider {
        height: auto;
    }

    .timeline-years {
        flex-direction: column;
        align-items: flex-start;
        position: relative;
        height: auto;
        gap: 30px;
    }

    .year-item {
        position: relative !important;
        left: auto !important;
        right: auto !important;
        top: auto !important;
        transform: none !important;
    }

    .timeline-line {
        display: none;
    }

    .timeline-content {
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        width: 100%;
        margin-top: 30px;
    }
}

/* 企业资质 */
.company-qualification {
    background: var(--background-color);
}

.qualification-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.qualification-item {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

.qualification-item:hover {
    transform: translateY(-10px);
}

.qualification-item .img-wrapper {
    position: relative;
    overflow: hidden;
    margin-bottom: 20px;
    cursor: pointer;
}

.qualification-item img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    transition: all 0.3s ease;
}

.zoom-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.zoom-icon::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid #fff;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.zoom-icon::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 8px;
    background: #fff;
    bottom: 8px;
    right: 10px;
    transform: rotate(-45deg);
}

.qualification-item .img-wrapper:hover .zoom-icon {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.qualification-item .img-wrapper:hover img {
    transform: scale(1.05);
}

.qualification-item h3 {
    font-size: 18px;
    color: var(--text-color);
}

/* 图片放大弹窗 */
.zoom-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.zoom-modal.active {
    opacity: 1;
    visibility: visible;
}

.zoom-modal img {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    transform: scale(0.9);
    transition: all 0.3s ease;
}

.zoom-modal.active img {
    transform: scale(1);
}

.zoom-modal .close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.zoom-modal .close-btn::before,
.zoom-modal .close-btn::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 2px;
    background: #fff;
    transform: rotate(45deg);
}

.zoom-modal .close-btn::after {
    transform: rotate(-45deg);
}

.zoom-modal .close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

@media (max-width: 1024px) {
    .qualification-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .qualification-grid {
        grid-template-columns: 1fr;
    }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .culture-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .qualification-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .contact-banner {
        height: 500px;
        padding: 0 5%;
    }
    
    .banner-content h1 {
        font-size: 36px;
    }
    
    .banner-content p {
        font-size: 18px;
    }
    
    .timeline-item {
        width: 100%;
        padding-right: 0;
        padding-left: 50px;
    }
    
    .timeline-item:nth-child(even) {
        padding-left: 50px;
    }
    
    .timeline::before {
        left: 0;
    }
    
    .timeline-item::before {
        left: -11px;
        right: auto;
    }
    
    .info-item {
        padding: 8px 15px;
    }
}

@media (max-width: 480px) {
    .culture-grid {
        grid-template-columns: 1fr;
    }
    
    .qualification-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-banner {
        height: 400px;
    }
    
    .banner-content h1 {
        font-size: 28px;
    }
    
    .banner-content p {
        font-size: 16px;
    }
    
    .info-item span {
        font-size: 16px;
    }
    
    .section-title h2 {
        font-size: 28px;
    }
}

/* 下拉菜单中的趣云盘链接样式 */
.dropdown-content .case-item {
    text-decoration: none;  /* 移除下划线 */
    color: inherit;  /* 继承原有颜色 */
}

/* 悬停时也不显示下划线 */
.dropdown-content .case-item:hover {
    text-decoration: none;
}

/* 确保链接的其他样式保持一致 */
.dropdown-content a.case-item {
    display: flex;
    align-items: center;
    padding: 15px;
    transition: background-color 0.3s;
    text-decoration: none;
}

/* 修改 Swiper 分页器样式 */
.swiper-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.swiper-pagination {
    position: absolute;
    bottom: 20px !important;  /* 使用 !important 确保覆盖默认样式 */
    left: 0 !important;
    width: 100% !important;
    z-index: 10;
}

/* 分页器点的样式 */
.swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 1;
    margin: 0 5px !important;
}

.swiper-pagination-bullet-active {
    background: #fff;
    width: 20px;
    border-radius: 4px;
}

.video-container {
    width: 100%;
    max-width: 1000px;
    margin: 40px auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    position: relative;
    background: #000;
    padding: 20px;
    transition: all 0.3s ease;
}

.video-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.video-container video {
    width: 100%;
    height: auto;
    border-radius: 12px;
    display: block;
    aspect-ratio: 16/9;
    background: #000;
    transition: all 0.3s ease;
}

.video-container:hover video {
    transform: scale(1.02);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .video-container {
        margin: 30px auto;
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .video-container {
        margin: 20px auto;
        padding: 10px;
    }
}