/* ========================================
   公司简介区块
   ======================================== */
.about-intro-section {
    background-size: contain;
    position: relative;
    margin-top: 100px;
}

/* 标题区域 */
.about-intro-header {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.about-intro-bg-text {
    font-size: 48px;
    font-weight: normal;
    color: #F5F5F5;
    letter-spacing: 0;
    margin-bottom: -30px;
    text-transform: uppercase;
}

.about-intro-title {
    font-size: 32px;
    font-weight: 500;
    color: #5669d6;
    margin: 0;
    position: relative;
    z-index: 1;
    letter-spacing: 1px;
}

/* 内容区域 */
.about-intro-content {
    font-size: 15px;
    color: #65686D;
}

/* 左侧图片 */
.about-intro-image {
    flex-shrink: 0;
    margin-right: 44px;
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    float: left;
    margin-bottom: 10px;
    cursor: pointer;
    width: 40%;
}

.about-intro-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* 播放按钮 */
.about-intro-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
    transition: all 0.3s ease;
}

.about-intro-play-btn:hover {
    transform: translate(-50%, -50%) scale(1.1);
}

.about-intro-play-btn svg {
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.3));
}

/* 右侧文字 */
.about-intro-text {
    flex: 1;
    padding-bottom: 100px;
}

.about-intro-text p {
    line-height: 1.8;
    color: #666;
    margin: 0 0 24px 0;
}

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

/* ========================================
   数字增长区块
   ======================================== */
.about-stats-section {
    padding: 60px 0;
    background-color: #fff;
    border-radius: 12px;
    margin-top: 40px;
}

.about-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

/* 统计项 */
.about-stats-item {
    text-align: center;
}

/* 数字区域 */
.about-stats-number {
    font-size: 48px;
    font-weight: 700;
    color: #1E4B93;
    line-height: 1;
    margin-bottom: 12px;
}

.about-stats-number .data-num {
    display: inline-block;
}

.about-stats-unit {
    font-size: 24px;
    font-weight: 400;
    position: relative;
    top: -8px;
}

/* 标签文字 */
.about-stats-label {
    font-size: 15px;
    color: #333;
    line-height: 1.6;
}

/* ========================================
   荣誉资质 - Swiper Coverflow
   ======================================== */
.zq-coverflow-section {
    margin-top: 80px;
    background-size: cover;
}

.zq-coverflow-swiper {
    width: 100%;
    padding-bottom: 30px !important;
    overflow: hidden;
}

.zq-coverflow-swiper-box {
    position: relative;
    margin: 0 auto;
}

.zq-coverflow-swiper .swiper-slide {
    background-position: center;
    background-size: cover;
    width: 330px;
    height: 520px;
    transform: scale(0.7);
    margin: 0 16px;
    margin-top: 40px;
    transition: all ease-in-out 0.5s;
}

.zq-coverflow-swiper .swiper-slide-prev,
.zq-coverflow-swiper .swiper-slide-next {
    transform: scale(0.9);
    width: 340px;
    margin-top: 20px;
}

.zq-coverflow-swiper .swiper-slide-active {
    width: 360px;
    margin-top: 0px;
}

.swiper-container-3d .swiper-slide-shadow-left {
    display: none;
}

.swiper-container-3d .swiper-slide-shadow-right {
    display: none;
}

.zq-coverflow-swiper .swiper-slide img {
    display: block;
    width: 100%;
}

.zq-coverflow-swiper .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    opacity: 1;
    background: #e5e5e5;
}

.zq-coverflow-swiper .swiper-pagination-bullet-active {
    opacity: 1;
    background: #004e8c;
}

.zq-coverflow-swiper-box .swiper-button-next,
.zq-coverflow-swiper-box .swiper-button-prev {
    width: 54px;
    height: 54px;
    border: 1px dashed #898989;
    border-radius: 50%;
    position: absolute;
}

.zq-coverflow-swiper-box .swiper-button-next:hover,
.zq-coverflow-swiper-box .swiper-button-prev:hover {
    border: 1px solid #898989;
}

.zq-coverflow-swiper-box .swiper-button-next {
    background: url(../images/arrow-right.png) no-repeat center center;
    right: -52px;
}

.zq-coverflow-swiper-box .swiper-button-next::after {
    display: none;
}

.zq-coverflow-swiper-box .swiper-button-prev {
    background: url(../images/arrow-left.png) no-repeat center center;
    left: -52px;
}

.zq-coverflow-swiper-box .swiper-button-prev::after {
    display: none;
}

/* ========================================
   视频播放弹窗
   ======================================== */
.video-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-popup.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.video-popup-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1;
}

.video-popup-content {
    position: relative;
    z-index: 2;
    width: 90%;
    max-width: 1000px;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.video-popup-close {
    position: absolute;
    top: -40px;
    right: 0;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 3;
}

.video-popup-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.video-popup-content video {
    width: 100%;
    height: auto;
    display: block;
    max-height: 80vh;
}

/* ========================================
   响应式设计
   ======================================== */

/* 1600px 以下 */
@media screen and (max-width: 1600px) {
    .zq-coverflow-swiper-box {
        width: 1360px;
    }
}

/* 1440px 以下 */
@media screen and (max-width: 1440px) {
    .about-intro-image {
        margin-right: 24px;
        width: 45%;
    }
    
    .zq-coverflow-swiper-box {
        width: 1160px;
    }
}

/* 1200px 以下 */
@media screen and (max-width: 1200px) {
    .about-stats-number {
        font-size: 30px;
    }
    
    .about-stats-unit {
        font-size: 18px;
        top: 0;
    }
    
    .about-stats-section {
        padding: 20px 0;
        margin-top: 30px;
    }
    
    .zq-coverflow-swiper-box {
        width: 80%;
    }
}

/* 1024px 以下 */
@media (max-width: 1024px) {
    .about-intro-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .about-intro-header {
        margin-bottom: 20px;
    }
    
    .about-intro-image {
        width: 100%;
    }
    
    .about-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

.footer {
    margin-top: 80px;
}
.article-list-wrapper {
    margin-top: 80px;
}
/* 768px 以下 */
@media (max-width: 768px) {
.footer {
    margin-top: 40px;
}
.article-list-wrapper {
    margin-top: 40px;
}
    .about-intro-bg-text img {
        height: 20px !important;
    }
    
    .about-intro-section {
        padding: 30px 0;
    }
    
    .about-intro-header {
        margin-bottom: 0px;
    }
    
    .about-intro-bg-text {
        font-size: 20px;
        letter-spacing: 2px;
        margin-bottom: -20px;
    }
    
    .about-intro-title {
        font-size: 20px;
    }
    
    .about-intro-content {
        gap: 30px;
    }
    
    .about-intro-text p {
        font-size: 14px;
        line-height: 1.8;
        margin: 0 0 10px 0;
    }
    
    .about-stats-section {
        padding: 20px 0;
    }
    
    .about-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .about-stats-number {
        font-size: 26px;
        margin-bottom: 4px;
    }
    
    .about-stats-unit {
        font-size: 18px;
    }
    
    .about-stats-label {
        font-size: 12px;
    }
    
    /* Coverflow */
    .zq-coverflow-section {
        padding: 50px 0 40px;
    }
    
    .zq-coverflow-swiper-box {
        left: 0;
        width: 90%;
        margin: 0 5%;
    }
    
    .zq-coverflow-swiper .swiper-slide-active {
        width: 90%;
        margin: 0 auto;
        height: auto;
        margin-top: 0px;
    }
    
    .zq-coverflow-swiper {
        width: 100%;
        padding-top: 0px;
        padding-bottom: 0px !important;
        overflow: hidden;
    }
    
    .zq-coverflow-swiper-box .swiper-button-next,
    .zq-coverflow-swiper-box .swiper-button-prev {
        display: none;
    }
    
    .zq-coverflow-swiper .swiper-slide {
        height: auto;
        transform: none !important;
        margin: 0 !important;
        width: 100% !important;
        padding-bottom: 50px !important;
    }
    
    /* 视频弹窗 */
    .video-popup-content {
        width: 95%;
        max-width: 100%;
    }
    
    .video-popup-close {
        top: -35px;
        width: 32px;
        height: 32px;
    }
    
    .video-popup-content video {
        max-height: 70vh;
    }
}