/* 关于我们页面样式 */

/* 通用样式 */
.about-page {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: #333;
    line-height: 1.6;
}

html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

/* 英雄区域 */
.about-hero {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7)), url('../images/background.jpg') no-repeat center center;
    background-size: cover;
    background-attachment: fixed;
    color: #fff;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    margin-bottom: 0;
    overflow: hidden;
}

.about-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(199, 0, 11, 0.3) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: 1;
}

.about-hero h1 {
    font-size: 60px;
    font-weight: 800;
    margin-bottom: 30px;
    position: relative;
    z-index: 2;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    animation: fadeInDown 1s ease-out;
}

.about-hero p {
    font-size: 22px;
    max-width: 800px;
    margin: 0 auto 40px;
    position: relative;
    z-index: 2;
    line-height: 1.8;
    font-weight: 300;
    animation: fadeIn 1.2s ease-out;
}

.hero-btn {
    display: inline-block;
    background: linear-gradient(to right, #c7000b, #e63946);
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 10px 20px rgba(230, 57, 70, 0.3);
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
    border: none;
    overflow: hidden;
    animation: fadeInUp 1.5s ease-out;
}

.hero-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 25px rgba(230, 57, 70, 0.4);
}

.hero-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.6s ease;
}

.hero-btn:hover::before {
    left: 100%;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 关于我们各部分共同样式*/
.about-section {
    padding: 30px 0;
    position: relative;
    overflow: hidden;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.section-header h2 {
    font-size: 44px;
    font-weight: 700;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
    letter-spacing: 1px;
}

.section-header h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, #c7000b, #fd7e14);
    border-radius: 2px;
}

.section-header.light h2:after {
    background: linear-gradient(to right, #fff, rgba(255, 255, 255, 0.5));
}

.section-subtitle {
    font-size: 18px;
    color: #666;
    margin-top: 20px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.section-header.light .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    position: relative;
    z-index: 2;
}

/* 图片占位符样式*/
.image-placeholder {
    background-color: #f5f5f5;
    border: 2px dashed #ccc;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    color: #999;
    font-size: 18px;
    text-align: center;
    padding: 20px;
}

.member-photo-placeholder {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background-color: #f5f5f5;
    border: 2px dashed #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #999;
    font-size: 16px;
    text-align: center;
    padding: 10px;
}

.card-image-placeholder {
    background-color: #f5f5f5;
    border: 2px dashed #ccc;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 180px;
    color: #999;
    font-size: 16px;
    text-align: center;
    padding: 15px;
    margin-top: 20px;
}

.timeline-image-placeholder {
    background-color: #f5f5f5;
    border: 2px dashed #ccc;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    color: #999;
    font-size: 14px;
    text-align: center;
    padding: 10px;
    margin-top: 15px;
}

.award-image-placeholder {
    background-color: #f5f5f5;
    border: 2px dashed #ccc;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 200px;
    height: 200px;
    color: #999;
    font-size: 16px;
    text-align: center;
    padding: 15px;
    margin: 0 auto 20px;
}

/* 公司介绍部分 */
.company-intro {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 40px;
    gap: 40px;
}

.company-intro-section {
    background-color: #f9fafb;
    position: relative;
    overflow: hidden;
}

.company-intro-section::before {
    content: '';
    position: absolute;
    right: -200px;
    top: -200px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(199, 0, 11, 0.05) 0%, rgba(199, 0, 11, 0) 70%);
}

.company-intro-section::after {
    content: '';
    position: absolute;
    left: -200px;
    bottom: -200px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(26, 42, 108, 0.05) 0%, rgba(26, 42, 108, 0) 70%);
}

.company-intro {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 40px;
    gap: 40px;
    position: relative;
    z-index: 2;
}

.company-text {
    flex: 1;
    min-width: 400px;
    padding-right: 20px;
}

.company-text p {
    margin-bottom: 25px;
    font-size: 17px;
    line-height: 1.9;
    color: #444;
}

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

.company-image {
    flex: 1.2;
    min-width: 400px;
    position: relative;
}

.company-image::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    width: calc(100% - 40px);
    height: calc(100% - 40px);
    border: 2px solid #c7000b;
    border-radius: 8px;
    z-index: 1;
}

.company-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    min-height: 400px;
    object-fit: cover;
}

.company-image img, .image-placeholder {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    position: relative;
    z-index: 2;
    transition: all 0.5s ease;
    min-height: 400px;
    object-fit: cover;
}

.company-image:hover img, .company-image:hover .image-placeholder {
    transform: translate(-5px, -5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* 公司数据统计 */
.company-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    flex-wrap: wrap;
    gap: 30px;
    background: linear-gradient(to right, #f8f9fa, #f1f3f5);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.stat-item {
    text-align: center;
    flex: 1;
    min-width: 140px;
    padding: 20px 15px;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 3px;
    bottom: 0;
    left: 0;
    background: linear-gradient(to right, #c7000b, #fd7e14);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.stat-item:hover {
    background-color: #fff;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    transform: translateY(-5px);
}

.stat-item:hover::before {
    transform: scaleX(1);
}

.stat-number {
    display: block;
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(to right, #c7000b, #fd7e14);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 15px;
    position: relative;
}

.stat-number::after {
    content: '+';
    font-size: 30px;
    position: absolute;
    top: 0;
    right: -15px;
    background: linear-gradient(to right, #c7000b, #fd7e14);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-text {
    font-size: 17px;
    color: #444;
    font-weight: 500;
}

/* 企业愿景与使用*/
.vision-mission-section {
    background: linear-gradient(135deg, #1a2a6c, #b21f1f, #fdbb2d);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.vision-mission-section:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/pattern.png') repeat center center, rgba(0, 0, 0, 0.6);
    z-index: 1;
    opacity: 0.8;
}

.vision-mission-section .about-content {
    position: relative;
    z-index: 2;
}

.vision-mission-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    margin-top: 20px;
}

.vision-card, .mission-card {
    background-color: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 50px 30px;
    width: calc(50% - 30px);
    min-width: 400px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s ease;
}

.vision-card::before, .mission-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 50%);
    z-index: -1;
}

.vision-card:hover, .mission-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.2);
}

.card-icon {
    font-size: 56px;
    margin-bottom: 25px;
    display: inline-block;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.4);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

.vision-card img, .mission-card img {
    display: block;
    max-width: 100%;
    border-radius: 12px;
    margin: 0 auto;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.vision-card:hover img, .mission-card:hover img {
    transform: scale(1.05);
}

.vision-card h3, .mission-card h3 {
    font-size: 28px;
    margin-bottom: 25px;
    font-weight: 700;
    letter-spacing: 1px;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.vision-card h3::after, .mission-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.3));
    border-radius: 3px;
}

.vision-card p, .mission-card p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.9);
}

.card-image-placeholder {
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 180px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    text-align: center;
    padding: 15px;
    margin-top: 25px;
    transition: all 0.3s ease;
}

.vision-card:hover .card-image-placeholder,
.mission-card:hover .card-image-placeholder {
    transform: scale(1.05);
    background-color: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
}

/* 核心价值观 */
.values-section {
    background: linear-gradient(135deg, #f8f9fa, #f1f3f5);
    position: relative;
    overflow: hidden;
}

.values-section::before {
    content: '';
    position: absolute;
    top: -150px;
    left: -150px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(199, 0, 11, 0.1) 0%, rgba(199, 0, 11, 0) 70%);
    animation: float 20s infinite alternate ease-in-out;
}

.values-section::after {
    content: '';
    position: absolute;
    bottom: -150px;
    right: -150px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(26, 42, 108, 0.1) 0%, rgba(26, 42, 108, 0) 70%);
    animation: float 25s infinite alternate-reverse ease-in-out;
}

.values-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
    margin-top: 30px;
    position: relative;
    z-index: 2;
}

.value-item {
    background: none;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    text-align: left;
    transition: all 0.4s ease;
    border-bottom: none;
    position: relative;
    display: flex;
    align-items: flex-start;
}

.value-item:hover {
    transform: translateY(-8px);
    border-bottom: none;
}

.value-icon {
    font-size: 36px;
    color: #fff;
    margin-right: 25px;
    margin-bottom: 0;
    background: linear-gradient(135deg, #c7000b, #fd7e14);
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.4s ease;
    box-shadow: 0 10px 20px rgba(199, 0, 11, 0.2);
    position: relative;
    z-index: 1;
}

.value-icon::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: linear-gradient(135deg, #c7000b, #fd7e14);
    border-radius: 23px;
    z-index: -1;
    opacity: 0;
    transition: all 0.4s ease;
}

.value-item:hover .value-icon {
    transform: rotate(10deg) scale(1.1);
    border-radius: 50%;
}

.value-item:hover .value-icon::before {
    opacity: 0.5;
    transform: scale(1.2);
}

.value-content {
    flex: 1;
    padding-top: 5px;
}

.value-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: 700;
    position: relative;
    padding-bottom: 12px;
    color: #333;
}

.value-item h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(to right, #c7000b, #fd7e14);
    transition: width 0.3s ease;
    border-radius: 3px;
}

.value-item:hover h3::after {
    width: 80px;
}

.value-item p {
    font-size: 17px;
    line-height: 1.8;
    color: #555;
}

/* 公司优势部分 */
.advantage-section {
    background: linear-gradient(135deg, #1a2a6c, #2d3a56);
    position: relative;
    overflow: hidden;
    padding: 70px 0;
}

.advantage-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    z-index: 1;
}

.advantage-section::after {
    content: '';
    position: absolute;
    top: -300px;
    right: -300px;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(199, 0, 11, 0.2) 0%, rgba(199, 0, 11, 0) 70%);
    z-index: 1;
}

.advantage-section .about-content {
    position: relative;
    z-index: 2;
}

.advantage-section .section-header h2,
.advantage-section .section-subtitle {
    color: #fff;
}

.advantage-section .section-header h2::after {
    background: linear-gradient(to right, #fff, rgba(255, 255, 255, 0.5));
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 30px;
    position: relative;
}

.advantage-card {
    background-color: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, #c7000b, #fd7e14);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.advantage-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    background-color: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
}

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

.advantage-card .advantage-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 30px;
    background: linear-gradient(135deg, #c7000b, #fd7e14);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 36px;
    transition: all 0.4s ease;
    box-shadow: 0 10px 25px rgba(199, 0, 11, 0.4);
    position: relative;
    z-index: 2;
}

.advantage-card:hover .advantage-icon {
    transform: rotateY(180deg) scale(1.1);
}

.advantage-card h3 {
    font-size: 26px;
    margin-bottom: 20px;
    font-weight: 700;
    color: #fff;
    position: relative;
    padding-bottom: 15px;
    display: inline-block;
}

.advantage-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.advantage-card:hover h3::after {
    width: 80px;
    background-color: rgba(255, 255, 255, 0.6);
}

.advantage-card p {
    font-size: 17px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
}

/* 发展历程 */
.timeline-section {
    background-color: #1a1a1a;
    color: #fff;
    overflow: hidden;
}

/* 水平时间轴样式*/
.horizontal-timeline-container {
    position: relative;
    max-width: 1200px;
    margin: 50px auto 0;
    /* padding: 30px 60px; */
}

.timeline-progress-bar {
    position: relative;
    width: 100%;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.2);
    margin: 0 auto 50px;
}

.timeline-progress {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(to right, #c7000b, #fd7e14);
    transition: width 0.3s ease;
}

.timeline-events-container {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.timeline-events-wrapper {
    display: flex;
    transition: transform 0.5s ease;
    margin-bottom: 30px;
}

.timeline-event {
    flex: 0 0 calc(33.333% - 30px);
    min-width: 400px;
    margin-right: 30px;
    position: relative;
    opacity: 0.7;
    transform: scale(0.95);
    transition: all 0.4s ease;
}

.timeline-event.active {
    opacity: 1;
    transform: scale(1);
}

.timeline-event-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: #c7000b;
    position: absolute;
    top: -58px;
    left: calc(50% - 8px);
    border: 3px solid #1a1a1a;
    box-shadow: 0 0 0 3px rgba(199, 0, 11, 0.3);
    z-index: 2;
    transition: all 0.3s ease;
}

.timeline-event.active .timeline-event-dot {
    background-color: #fd7e14;
    transform: scale(1.3);
    box-shadow: 0 0 0 5px rgba(253, 126, 20, 0.3);
}

.timeline-event-date {
    font-weight: bold;
    color: #c7000b;
    margin-bottom: 15px;
    display: inline-block;
    padding: 5px 15px;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 20px;
    font-size: 16px;
    text-align: center;
}

.timeline-event-content {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.4s ease;
}

.timeline-event.active .timeline-event-content {
    background-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
}

.timeline-event-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: #fff;
    position: relative;
    padding-bottom: 12px;
}

.timeline-event-content h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(to right, #c7000b, #fd7e14);
    transition: width 0.3s ease;
}

.timeline-event.active .timeline-event-content h3::after {
    width: 80px;
}

.timeline-event-content p {
    font-size: 15px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 15px;
}

.timeline-navigation {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: -50px;
}

.timeline-prev-btn,
.timeline-next-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-prev-btn:hover,
.timeline-next-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.timeline-prev-btn:disabled,
.timeline-next-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

@media (max-width: 992px) {
    .timeline-event {
        flex: 0 0 calc(50% - 30px);
    }
}

@media (max-width: 768px) {
    .horizontal-timeline-container {
        padding: 30px 40px;
    }
    
    .timeline-event {
        flex: 0 0 calc(100% - 30px);
    }
    
    .timeline-progress-bar {
        margin-bottom: 40px;
    }
    
    .timeline-event-dot {
        top: -48px;
    }
}

/* 荣誉奖项部分 */
.awards-section {
    background: linear-gradient(to right, #f1f5f9, #e2e8f0);
    overflow: hidden;
    position: relative;
}

.awards-slider-container {
    margin: 30px auto;
    max-width: 100%;
    overflow: hidden;
    position: relative;
}

.awards-slider {
    width: 100%;
    overflow: hidden;
    padding: 20px 0;
}

.awards-track {
    display: flex;
    animation: scroll 60s linear infinite;
    width: calc(250px * 20); /* 保证足够宽以容纳所有奖项*/
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-250px * 15)); /* 移动15个奖项的距离 */
    }
}

.award-item {
    flex: 0 0 auto;
    width: 250px;
    padding: 20px;
    background-color: #fff;
    margin-right: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
}

.award-item:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
    z-index: 10;
}

.award-item h3 {
    font-size: 18px;
    margin: 15px 0 10px;
    color: #1a2a6c;
    font-weight: 600;
}

.award-item p {
    font-size: 14px;
    color: #666;
}

/* 响应式设计*/
@media (max-width: 1200px) {
    .about-hero h1 {
        font-size: 46px;
    }
    
    .about-hero p {
        font-size: 18px;
    }
    
    .section-header h2 {
        font-size: 36px;
    }
    
    .vision-card, .mission-card {
        width: 100%;
    }
    
    .values-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        gap: 20px;
    }
}

@media (max-width: 992px) {
    .timeline-item:nth-child(odd) .timeline-year,
    .timeline-item:nth-child(even) .timeline-year {
        position: relative;
        top: 0;
        left: 0;
        right: 0;
        margin-bottom: 15px;
        display: inline-block;
    }
    
    .timeline-line {
        left: 30px;
    }
    
    .timeline-dot {
        left: 30px;
    }
    
    .timeline-content {
        width: calc(100% - 60px);
        margin-left: 60px !important;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 768px) {
    .about-hero {
        padding: 100px 0 70px;
    }
    
    .about-hero h1 {
        font-size: 36px;
    }
    
    .about-hero p {
        font-size: 16px;
    }
    
    .about-section {
        padding: 60px 0;
    }
    
    .section-header h2 {
        font-size: 30px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    .company-intro {
        flex-direction: column;
    }
    
    .company-text {
        padding-right: 0;
        margin-bottom: 30px;
    }
    
    .values-container {
        grid-template-columns: 1fr;
    }
    
    .advantage-card {
        padding: 25px 20px;
    }
    
    .advantage-card .advantage-icon {
        width: 70px;
        height: 70px;
        font-size: 28px;
        margin-bottom: 20px;
    }
    
    .advantage-card h3 {
        font-size: 22px;
    }
}

@media (max-width: 576px) {
    .award-item {
        width: 220px;
        margin-right: 20px;
    }
    
    @keyframes scroll {
        0% {
            transform: translateX(0);
        }
        100% {
            transform: translateX(calc(-220px * 15)); /* 移动15个奖项的距离 */
        }
    }
}

/* 动画效果 */
.fade-in {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1s ease, transform 1s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-fade {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.timeline-item:nth-child(even) .timeline-fade {
    transform: translateX(50px);
}

.timeline-fade.visible {
    opacity: 1;
    transform: translateX(0);
}

/* 头部动画 */
.section-header {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.section-header.header-visible {
    opacity: 1;
    transform: translateY(0);
}

/* 核心价值观动画 */
.value-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.value-item.value-visible {
    opacity: 1;
    transform: translateY(0);
}

/* 公司优势卡片动画 */
.advantage-card {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    transition: all 0.6s ease;
}

.advantage-card.card-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* 奖项点击效果 */
.award-item.award-active {
    transform: scale(1.2);
    z-index: 20;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    position: relative;
}

.award-item.award-active::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid #c7000b;
    border-radius: 12px;
    animation: pulse-border 1.5s infinite;
}

@keyframes pulse-border {
    0% {
        box-shadow: 0 0 0 0 rgba(199, 0, 11, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(199, 0, 11, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(199, 0, 11, 0);
    }
}

/* 页面装饰元素 */
.decorative-circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(199, 0, 11, 0.1) 0%, rgba(199, 0, 11, 0) 70%);
    z-index: 1;
    pointer-events: none;
}

.decorative-circle-1 {
    width: 300px;
    height: 300px;
    top: -150px;
    right: -150px;
    animation: float 20s infinite alternate ease-in-out;
}

.decorative-circle-2 {
    width: 400px;
    height: 400px;
    bottom: -200px;
    left: -200px;
    animation: float 25s infinite alternate-reverse ease-in-out;
    background: radial-gradient(circle, rgba(26, 42, 108, 0.1) 0%, rgba(26, 42, 108, 0) 70%);
}

/* 全局优化 */
::selection {
    background-color: rgba(199, 0, 11, 0.2);
    color: #333;
}

.about-section {
    position: relative;
    z-index: 1;
}

.about-section + .about-section {
    margin-top: -1px;
    /* padding-top: 50px; */
}

/* 核心业务部分 */
.core-business-section {
    background: linear-gradient(to right, #f8f9fa, #f1f3f5);
    position: relative;
    overflow: hidden;
}

.core-business-section::before {
    content: '';
    position: absolute;
    top: -150px;
    right: -150px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(199, 0, 11, 0.1) 0%, rgba(199, 0, 11, 0) 70%);
    z-index: 1;
}

.core-business-section::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(26, 42, 108, 0.1) 0%, rgba(26, 42, 108, 0) 70%);
    z-index: 1;
}

.core-business-container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.business-item {
    display: flex;
    align-items: flex-start;
    background-color: #fff;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    transform: translateY(20px);
    opacity: 0;
}

.business-item.item-visible {
    transform: translateY(0);
    opacity: 1;
}

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

.business-icon {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #1a2a6c, #c7000b);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 25px;
    color: #fff;
    font-size: 28px;
    box-shadow: 0 10px 20px rgba(26, 42, 108, 0.2);
    transition: all 0.3s ease;
}

.business-item:hover .business-icon {
    transform: rotate(10deg);
    background: linear-gradient(135deg, #c7000b, #1a2a6c);
}

.business-content {
    flex: 1;
}

.business-content h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1a2a6c;
    position: relative;
    padding-bottom: 12px;
}

.business-content h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(to right, #c7000b, #fd7e14);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.business-item:hover .business-content h3::after {
    width: 80px;
}

.business-content p {
    font-size: 16px;
    line-height: 1.7;
    color: #555;
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .business-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
        margin-right: 20px;
    }
    
    .business-content h3 {
        font-size: 20px;
    }
    
    .business-content p {
        font-size: 15px;
    }
}