/* 恒辉核心页面样式 + GSAP 动画支持 */

/* 基础Grid系统 */
.page-full-width {
    overflow-x: hidden;
}

.about-content .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    box-sizing: border-box;
}

.about-content .row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
    align-items: center;
    min-height: 500px;
}

.about-content .col-lg-6 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 15px;
    box-sizing: border-box;
}

.about-content .col-md-12 {
    flex: 0 0 100%;
    max-width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
}

/* 响应式Grid */
@media (max-width: 991.98px) {
    .about-content .col-lg-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .about-content .row {
        align-items: flex-start;
        min-height: auto;
    }
}

.about-content {
    padding: 60px 0;
    background-color: #f8f9fa;
}

/* 确保左右布局正确显示 */
.about-content .row {
    display: flex !important;
    flex-wrap: wrap;
    margin: 0 -15px;
    align-items: center;
    min-height: 500px;
}

/* 专业领域轮播样式 */
.professional-fields {
    padding: 60px 0;
    background: #f8f9fa;
    position: relative;
}

.professional-fields .container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.professional-fields .section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 40px;
    position: relative;
}

.professional-carousel {
    position: relative;
    max-width: 100%;
    margin: 0 auto;
}

.carousel-wrapper {
    position: relative;
    width: 100%;
    height: 120px;
    overflow: hidden;
    display: flex;
    align-items: center;
}

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

.professional-card {
    position: relative;
    width: 20%;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #ffffff;
    border-radius: 8px;
    margin: 0 5px;
    padding: 0 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid #e9ecef;
    flex-shrink: 0;
}

.professional-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    border-color: #7dd3fc;
}

.card-left {
    flex: 0 0 40%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-number {
    font-size: 5rem;
    font-weight: 300;
    color: #83cfce;
    line-height: 1;
    margin: 0;
}

.card-right {
    flex: 0 0 55%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.card-icon {
    font-size: 2rem;
    color: #6d6e6e;
    margin-bottom: 8px;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon svg {
    width: 40px;
    height: 40px;
}

.card-title {
    font-size: 1rem;
    font-weight: 500;
    color: #6d6e6e;
    margin: 0;
    white-space: nowrap;
    transition: color 0.3s ease;
}

.professional-card:hover .card-title {
    color: #83cfce;
}

.professional-card:hover .card-number {
    color: #83cfce;
}

.carousel-navigation {
    position: absolute;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 10;
}

.carousel-button {
    width: 40px;
    height: 40px;
    background: #ffffff;
    border: 1px solid #ddd;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.carousel-button:hover {
    background: #f8f9fa;
    border-color: #7dd3fc;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.carousel-button svg {
    color: #666;
    transition: color 0.3s ease;
    width: 20px;
    height: 20px;
}

.carousel-button:hover svg {
    color: #0ea5e9;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .professional-card {
        flex: 0 0 calc(33.333% - 20px);
    }
}

@media (max-width: 768px) {
    .professional-card {
        flex: 0 0 calc(50% - 15px);
        margin: 0 7.5px 20px;
    }
    
    .carousel-wrapper {
        height: auto;
        min-height: 180px;
    }
    
    .carousel-navigation {
        bottom: -50px;
    }
}

@media (max-width: 480px) {
    .professional-card {
        flex: 0 0 calc(100% - 20px);
        margin: 0 10px 20px;
    }
}

/* 左侧内容区域 - 40% */
.about-content .col-lg-6:first-child {
    flex: 0 0 40% !important;
    max-width: 40% !important;
    padding: 0 15px;
    box-sizing: border-box;
}

/* 右侧图片区域 - 60% */
.about-content .col-lg-6:last-child {
    flex: 0 0 60% !important;
    max-width: 60% !important;
    padding: 0 15px;
    box-sizing: border-box;
}



.content-header {
    margin-bottom: 40px;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 20px;
    line-height: 1.2;
}

.section-description {
    font-size: 14px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 0;
}

/* 可折叠面板样式 */
.accordion {
    margin-top: 30px;
}

.accordion-item {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    overflow: hidden;
}

.accordion-header {
    margin: 0;
}

.accordion-button {
    background-color: #fff;
    border: none;
    padding: 20px 25px;
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    text-align: left;
    width: 100%;
    position: relative;
    transition: all 0.3s ease;
    cursor: pointer;
}

.accordion-button:hover {
    background-color: #f8f9fa;
}

.accordion-button.active {
    background-color: #f2f2f2 !important;
    color: #000 !important;
}

.accordion-button[aria-expanded="true"] {
    background-color: #f2f2f2 !important;
    color: #000 !important;
}

.accordion-button:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(0,123,255,0.25);
}

.accordion-button::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: bold;
    position: absolute;
    right: 25px;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.3s ease;
}

.section-title::after{
    display: none;
}

.accordion-button.active::after {
    content: '−';
    transform: translateY(-50%) rotate(0deg);
}

.accordion-collapse {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    border-top: 1px solid #e0e0e0;
}

.accordion-collapse.show {
    max-height: 500px;
}

.accordion-body {
    padding: 25px;
    background-color: #fff;
}

.accordion-body ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.accordion-body li {
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
    position: relative;
    padding-left: 20px;
}

.accordion-body li:last-child {
    border-bottom: none;
}

.accordion-body li::before {
    content: '•';
    color: #007bff;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.accordion-body p {
    margin: 0;
    line-height: 1.6;
    color: #555;
}

/* 响应式图片 */
.img-fluid {
    max-width: 100%;
    height: auto;
}

/* 右侧图片样式 */
.system-image {
    padding: 20px;
    text-align: center;
}

.system-image img {
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
}

.system-image img:hover {
    transform: scale(1.02);
}

/* 响应式设计 */
@media (max-width: 991.98px) {
    .about-content {
        padding: 40px 0;
    }
    
    .about-content .col-lg-6,
    .about-content .col-lg-6:first-child,
    .about-content .col-lg-6:last-child {
        flex: 0 0 100% !important;
        max-width: 100% !important;
        padding: 0 15px;
    }
    
    .about-content .row {
        min-height: auto !important;
        align-items: flex-start !important;
    }
    
    .section-title {
        font-size: 2rem;
        text-align: center;
    }
    
    .section-description {
        text-align: center;
        margin-bottom: 30px;
    }
    
    .system-image {
        margin-top: 40px;
        padding: 10px;
    }
    
    .content-header {
        text-align: center;
    }
}

@media (max-width: 767.98px) {
    .container {
        padding: 0 10px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-description {
        font-size: 1rem;
        padding: 0 10px;
    }
    
    .accordion-button {
        padding: 15px 20px;
        font-size: 1rem;
    }
    
    .accordion-body {
        padding: 20px;
    }
    
    .system-image {
        padding: 5px;
        margin-top: 30px;
    }
    
    .accordion {
        margin-top: 20px;
    }
}

/* GSAP 动画相关样式 */

/* 动画元素初始状态 - 防止闪烁 */
.gsap-animate {
    opacity: 0;
    transform: translateY(30px);
}

/* 系统图片动画样式 */
.system-image {
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.system-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

/* Accordion 动画增强 */
.accordion-button {
    transition: all 0.3s ease;
    transform-origin: center;
    position: relative;
    overflow: hidden;
}

.accordion-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.accordion-button:hover::before {
    left: 100%;
}

.accordion-button:hover {
    background-color: rgba(0, 123, 255, 0.05);
    border-color: rgba(0, 123, 255, 0.2);
}

.accordion-button.active {
    background-color: rgba(0, 123, 255, 0.1);
    border-color: rgba(0, 123, 255, 0.3);
    transform: scale(1.01);
}

/* 折叠内容动画 - 纯CSS版本 */
.accordion-collapse {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.6s ease-in-out, opacity 0.6s ease-in-out;
    opacity: 0;
}

.accordion-collapse.show {
    max-height: 2000px; /* 足够大的值确保内容完全显示 */
    opacity: 1;
}

.accordion-body {
    padding: 25px;
    background-color: #fff;
    line-height: 1.6;
}

/* 标题和描述动画样式 */
.section-title {
    position: relative;
    overflow: hidden;
}

.section-description {
    line-height: 1.8;
    position: relative;
}

/* 响应式动画调整 */
@media (max-width: 767.98px) {
    .system-image {
        margin-top: 40px;
    }
    
    .accordion-button {
        font-size: 14px;
        padding: 12px 15px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .section-description {
        font-size: 14px;
    }
}

/* 加载状态样式 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.5s ease;
}

.loading-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
}

/* 系统图片垂直居中样式 */
.system-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 400px;
    padding: 20px;
}

.system-image img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.system-image img:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* 响应式调整 */
@media (max-width: 991.98px) {
    .system-image {
        min-height: 300px;
        margin-top: 30px;
    }
}

@media (max-width: 767.98px) {
    .system-image {
        min-height: 250px;
        padding: 15px;
    }
}