/* 公司介绍样式 */
.content-section {
    padding: 40px 0;
    max-width: 1200px;
    margin: 0 auto;
}

.about {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.about-image {
    width: 100%;
}

.about-image img {
    width: 100%;
    height: 50vh; /* 保持图片高度为视口的50% */
    object-fit: cover; /* 覆盖容器，可能裁剪图片 */
}

.about-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 50%; /* 仅占左侧50%宽度 */
    height: 100%;
    display: flex;
    flex-direction: column; /* 垂直排列文字 */
    align-items: center; /* 水平居中（在左侧50%范围内） */
    justify-content: center; /* 垂直居中 */
    padding: 20px;
    box-sizing: border-box;
}

.about-title {
    text-align: center;
    color: white;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

.about-title span {
    display: block;
    margin-bottom: 10px;
}

.about-title span:first-child {
    font-size: clamp(2rem, 4vw, 4rem); /* 响应式字体 */
    font-weight: bold;
}

.about-title span:nth-child(2) {
    font-size: clamp(1rem, 2vw, 1.5rem); /* 响应式字体 */
}


/* 左右分栏布局 */
.about-container {
    display: flex;
    flex-wrap: wrap;
    margin-top: 50px;
    gap: 20px;
}

.about-description-col,
.image-carousel-col {
    flex: 1;
    min-width: 300px; /* 最小宽度，确保移动端显示 */
}

/* 描述文字样式 */
.about-description-col {
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    line-height: 1.8;
}

.about-description-col p {
    font-size: 20px;
    margin-bottom: 20px;
    font-weight: bold;text-indent: 2em;
}

/* 轮播图样式 */
.image-carousel {
    position: relative;
    width: 100%;
    height: 700px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.carousel-container {
    display: flex;
    height: 100%;
    transition: transform 0.5s ease;
}

.carousel-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 轮播控制按钮 */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.7);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: background-color 0.3s;
}

.carousel-btn:hover {
    background-color: rgba(255, 255, 255, 0.9);
}

.prev-btn {
    left: 20px;
}

.next-btn {
    right: 20px;
}

/* 轮播指示器 */
.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background-color 0.3s;
}

.indicator.active {
    background-color: white;
    width: 16px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .about-container {
        flex-direction: column;
    }
    
    .about-description-col,
    .image-carousel-col {
        min-width: 0;
    }
    
    .image-carousel {
        height: 300px;
    }
}


.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 40px 20px;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 100px;
}

.section-title h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #003366;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

.section-title h1 i {
    color: #00b894;
    font-size: 2.5rem;
}

.section-title p {
    font-size: 1.3rem;
    color: #4a6572;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #003366, #00c9a7);
    margin: 15px auto 0;
    border-radius: 2px;
}

/* ============= 优势展示区 ============= */
.advantage-section {
    position: relative;
    width: 100%;
    min-height: 700px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 30px 0 60px;
}

/* 中心大圆环 */
/* 添加关键帧动画 */
@keyframes scaleIn {
    0% {
      transform: scale(0);
      opacity: 0;
    }
    80% {
      transform: scale(1.1);
      opacity: 1;
    }
    100% {
      transform: scale(1);
      opacity: 1;
    }
  }
  
  .advantage-circle {
    text-align: center;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: linear-gradient(135deg, #003366 0%, #0089b7 100%);
    color: #fff;
    font-size: 2.8rem;
    font-weight: 900;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 10;
    position: relative;
    box-shadow: 0 15px 40px rgba(0, 51, 102, 0.3);
    transition: all 0.5s ease;
    
    /* 添加动画效果 */
    animation: scaleIn 1.2s ease-out forwards;
    opacity: 0; /* 初始状态设置为透明 */
    transform-origin: center; /* 缩放中心点 */
  }
  
  .advantage-circle:hover {
    transform: scale(1.05)!important; /* 增加!important确保悬停效果优先 */
    box-shadow: 0 20px 50px rgba(0, 51, 102, 0.4);
  }
  
  .advantage-circle .number-8 {
    color: #00c9a7;
    font-size: 4.5rem;
    line-height: 1;
    margin-bottom: 5px;
  }
  
  .advantage-circle .sub-text {
    font-size: 1.3rem;
    font-weight: 500;
    opacity: 0.9;
    letter-spacing: 2px;
    margin-top: 5px;
  }

/* 环形线条 */
.advantage-line {
    position: absolute;
    width: 780px;
    height: 780px;
    border-radius: 50%;
    z-index: 5;
    background: 
        radial-gradient(circle, transparent 63%, rgba(0, 89, 255, 0.1) 100%),
        conic-gradient(from 0deg, 
            rgba(0, 89, 255, 0.15) 0%, 
            rgba(0, 166, 255, 0.3) 45deg, 
            rgba(0, 89, 255, 0.15) 90deg, 
            rgba(0, 166, 255, 0.3) 135deg, 
            rgba(0, 89, 255, 0.15) 180deg, 
            rgba(0, 166, 255, 0.3) 225deg, 
            rgba(0, 89, 255, 0.15) 270deg, 
            rgba(0, 166, 255, 0.3) 315deg, 
            rgba(0, 89, 255, 0.15) 360deg
        );
    box-shadow: 0 0 0 1px rgba(0, 89, 255, 0.1),
                0 0 40px rgba(0, 89, 255, 0.15);
    animation: pulse 8s infinite ease-in-out;
}

@keyframes pulse {
    0% { opacity: 0.7; transform: scale(0.98); }
    50% { opacity: 1; transform: scale(1.02); }
    100% { opacity: 0.7; transform: scale(0.98); }
}

/* 优势项容器 - 无框设计 */
.advantage-item {
    position: absolute;
    width: 350px;
    z-index: 8;
    opacity: 0;
    animation: slideIn 0.8s ease-out forwards;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    padding: 15px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transform: translateY(0);
}

.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, #00c9a7, #0089b7);
    transition: all 0.4s ease;
}

.advantage-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 51, 102, 0.25);
    background: rgba(255, 255, 255, 0.08);
}

.advantage-item:hover::before {
    width: 8px;
    background: linear-gradient(to bottom, #00ffd5, #00a8ff);
}

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



@keyframes slideIn {
    from {
        opacity: 0;
        transform: scale(0.5) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translate(0);
    }
}

/* 数字圆圈 - 更大更突出 */
.advantage-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0089b7 0%, #00c9a7 100%);
    color: #fff;
    font-size: 1.9rem;
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 8px 20px rgba(0, 137, 183, 0.4);
    margin-right: 20px;
    position: relative;
    z-index: 10;
}

/* 无框内容设计 */
.advantage-content {
    display: flex;
    align-items: flex-start;
    background: transparent;
    padding: 0;
}

/* 关键修改：增加描述区域宽度 */
.advantage-description {
    flex: 1;
    min-width: 0;
}

.description-title {
    font-size: 1.4rem;
    font-weight: bold;
    color: #003366;
    margin-bottom: 8px;
    position: relative;
    display: inline-block;
    width: 300px;
}

.description-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, #00c9a7, #0089b7);
    border-radius: 3px;
}

/* 关键修改：增加内容框宽度 */
/* .description-content {
    font-size: 1.15rem;
    color: #4a6572;
    line-height: 1.65;
    background: rgba(255, 255, 255, 0.5);
    padding: 15px; 
    border-radius: 8px;
    backdrop-filter: blur(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    width: 350px;
} */


/* 优势项位置 - 向外扩展 */
.item-1 { 
    top: 5%; left: 5%; 
    animation-delay: 0.5s; 
}
.item-2 { 
    top: 45%; left: -4%; 
    animation-delay: 0.7s; 
}
.item-3 { 
    top: 85%; left: 7%; 
    animation-delay: 0.9s; 
}
.item-4 { 
    top: 5%; right: 5%; 
    animation-delay: 1.1s; 
}
.item-5 { 
    top: 45%; right: -5%; 
    animation-delay: 1.3s; 
}
.item-6 { 
    top: 85%; right: 5%; 
    animation-delay: 1.5s; 
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .advantage-section { min-height: 650px; }
    .advantage-line { width: 700px; height: 700px; }
    .advantage-circle { width: 280px; height: 280px; font-size: 2.5rem; }
    .advantage-circle .number-8 { font-size: 4rem; }
    .advantage-item { width: 240px; }
    
    .item-1 { top: 6%; left: 7%; }
    .item-2 { top: 26%; left: 2%; }
    .item-3 { top: 56%; left: 7%; }
    .item-4 { top: 76%; right: 6%; }
    .item-5 { top: 6%; right: 7%; }
    .item-6 { top: 26%; right: 2%; }
    
    /* 响应式调整内容宽度 */
    .description-content {
        max-width: 300px;
    }
}

@media (max-width: 992px) {
    .advantage-section { min-height: 600px; }
    .advantage-line { width: 620px; height: 620px; }
    .advantage-circle { width: 240px; height: 240px; }
    .advantage-circle .number-8 { font-size: 3.5rem; }
    .advantage-item { width: 220px; }
    
    .item-1 { top: 4%; left: 5%; }
    .item-2 { top: 24%; left: 1%; }
    .item-3 { top: 54%; left: 5%; }
    .item-4 { top: 7%; right: 6%; }
    .item-5 { top: 4%; right: 5%; }
    .item-6 { top: 24%; right: 1%; }
    
    /* 响应式调整内容宽度 */
    .description-content {
        max-width: 280px;
    }
}

@media (max-width: 768px) {
    .section-title h1 { font-size: 2.4rem; }
    .section-title p { font-size: 1.15rem; }
    
    .advantage-section { 
        min-height: 1050px;
        flex-direction: column;
    }
    
    .advantage-circle {
        position: relative;
        margin-bottom: 60px;
        width: 220px;
        height: 220px;
    }
    
    .advantage-line {
        display: none;
    }
    
    .advantage-item {
        position: relative;
        margin: 25px auto;
        width: 92%;
        max-width: 480px;
        opacity: 1;
        animation: none;
        top: auto !important;
        left: auto !important;
        right: auto !important;
    }
    
    .description-content {
        padding: 15px;
        max-width: 100%; /* 移动端占满可用空间 */
    }
    
    .advantage-number {
        width: 55px;
        height: 55px;
        font-size: 1.8rem;
    }
    
    .item-1, .item-2, .item-3, .item-4, 
    .item-5, .item-6{
        animation-delay: 0s;
    }
}

@media (max-width: 576px) {
    .section-title h1 { 
        font-size: 2rem; 
        flex-direction: column;
        gap: 8px;
    }
    .description-title { font-size: 1.25rem; }
    .description-content { font-size: 1.05rem; }
    .advantage-number { 
        width: 50px; 
        height: 50px; 
        font-size: 1.7rem;
        margin-right: 15px;
    }
    
    .advantage-section { min-height: 1100px; }
}

/* ============= 理念模块样式 ============= */
.principles-section {
    margin: 80px 0;
    position: relative;
    z-index: 5;
}

.principles-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.principle-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0, 51, 102, 0.15);
    padding: 40px 30px;
    flex: 1;
    min-width: 200px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 137, 183, 0.1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.principle-card:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 20px 50px rgba(0, 89, 255, 0.25);
    background: rgba(255, 255, 255, 0.95);
}

.principle-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #00c9a7, #0089b7);
}

.principle-icon {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, #00c9a7 0%, #0089b7 100%);
    color: white;
    box-shadow: 0 10px 25px rgba(0, 137, 183, 0.4);
    transition: all 0.5s ease;
}

.principle-card:hover .principle-icon {
    transform: rotateY(360deg);
    box-shadow: 0 15px 30px rgba(0, 137, 183, 0.6);
}

.principle-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #003366;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 15px;
    width: 100%;
}

.principle-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 3px;
    background: linear-gradient(90deg, #00c9a7, #0089b7);
    border-radius: 3px;
}

.principle-content {
    font-size: 1.15rem;
    color: #4a6572;
    line-height: 1.7;
}

/* 不同卡片颜色变化 */
.card-1 .principle-icon { background: linear-gradient(135deg, #00c9a7 0%, #0089b7 100%); }
.card-2 .principle-icon { background: linear-gradient(135deg, #0089b7 0%, #0066a6 100%); }
.card-3 .principle-icon { background: linear-gradient(135deg, #00c9a7 0%, #00a896 100%); }
.card-4 .principle-icon { background: linear-gradient(135deg, #0066a6 0%, #003366 100%); }
.card-5 .principle-icon { background: linear-gradient(135deg, #00a896 0%, #0066a6 100%); }

/* 响应式设计 */
@media (max-width: 1200px) {
    .principle-card {
        padding: 35px 25px;
    }
    .principle-icon {
        width: 80px;
        height: 80px;
        font-size: 2.2rem;
    }
}

@media (max-width: 992px) {
    .principles-container {
        gap: 25px;
    }
    .principle-card {
        min-width: calc(33.33% - 25px);
        max-width: calc(33.33% - 25px);
    }
    .principle-title {
        font-size: 1.4rem;
    }
    .principle-content {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .section-title h1 {
        font-size: 2.4rem;
    }
    
    .section-title p {
        font-size: 1.15rem;
    }
    
    .principles-section {
        margin: 60px 0;
    }
    
    .principles-container {
        gap: 20px;
    }
    
    .principle-card {
        min-width: calc(50% - 20px);
        max-width: calc(50% - 20px);
        padding: 30px 20px;
    }
    
    .principle-icon {
        width: 75px;
        height: 75px;
        font-size: 2rem;
    }
    
    .principle-title {
        font-size: 1.35rem;
    }
}

@media (max-width: 576px) {
    .section-title h1 {
        font-size: 2.2rem;
    }
    
    .container {
        padding: 30px 20px;
    }
    
    .principles-container {
        gap: 30px;
    }
    
    .principle-card {
        min-width: 100%;
        max-width: 480px;
        padding: 35px 30px;
    }
    
    .principle-title {
        font-size: 1.45rem;
    }
}

/* 装饰元素 */
.decoration {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(0, 201, 167, 0.08);
    filter: blur(60px);
    z-index: -1;
}

.dec-1 {
    top: 10%;
    left: 5%;
}

.dec-2 {
    bottom: 10%;
    right: 5%;
}