* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #2F3133;
    background: #F8FBFF;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    padding: 10px 0;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo img {
    height: 40px;
    cursor: pointer;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    text-decoration: none;
    color: #2F3133;
    font-size: 16px;
    font-weight: 400;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #18A2F2;
}

.white {
    color: white !important;
}

.black {
    color: #2F3133 !important;
}

/* 主横幅 */
.hero {
    /* height: 500px; */
    /* background: url('https://obsqingnang.guoyaoplat.com/guanwang/images/movie.png') center/cover; */
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    color: #333;
    /* margin-top: 60px; */
    position: relative;
    overflow: hidden;
}

.hero .hero-back {
    width: 100%;
    object-fit: cover;
    min-height: 400px;
}

.hero-logo {
    position: absolute;
    width: 17vw;
    height: 17vw;
    min-width: 200px;
    min-height: 200px;
    object-fit: contain;
    right: 19%;
    bottom: 30%;
}

.hero-content {
    margin: 0 auto;
    z-index: 2;
    width: 1440px;
    /* position: relative; */
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

@media (max-width: 1440px) {
  .hero-content {
    left: 0;
    transform: translateX(0);
  }

  .hero-logo {
    right: 19vw;
  }
}

@media (max-width: 1163px) {
    .hero-logo {
        visibility: hidden;
    }
}

.hero-content h1 {
    font-size: 68px;
    font-weight: 600;
    color: #666;
    margin-bottom: 10px;
    line-height: 1.2;
}

.hero-content h3 {
    font-size: 68px;
    font-weight: 600;
    background: linear-gradient(45deg, #189FF0, #134499);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0;
    line-height: 1.2;
}

.hero-content .suffix {
    position: absolute;
    top: 1.35em;
    left: 6em;
}

/* 添加3D装饰元素 */
/* .hero::before {
    content: '';
    position: absolute;
    right: 8%;
    top: 20%;
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #4A90E2, #7BB3F0);
    border-radius: 20px;
    transform: perspective(1000px) rotateX(45deg) rotateY(45deg);
    box-shadow: 0 20px 40px rgba(74, 144, 226, 0.3);
    z-index: 1;
} */

/* .hero::after {
    content: '';
    position: absolute;
    right: 15%;
    bottom: 20%;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #189FF0, #134499);
    border-radius: 50%;
    transform: perspective(1000px) rotateX(30deg);
    box-shadow: 0 15px 30px rgba(24, 159, 240, 0.3);
    z-index: 1;
} */

/* 统计数据 */
.stats {
    padding: 0;
    margin-top: -110px;
    position: relative;
    z-index: 10;
}

.stats-container {
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(8px);
    border-radius: 20px;
    box-shadow: 0px 15px 35px rgba(0, 0, 0, 0.08);
    padding: 50px 40px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
    max-width: 1440px;
    margin: 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item {
    position: relative;
    padding: 20px 0;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 60px;
    background: linear-gradient(90deg, #18A2F2 0%, #1755B5 100%);
    /*background: linear-gradient(to bottom, transparent, #E0E0E0, transparent);*/
}

.stat-item h3 {
    font-size: 42px;
    font-weight: 700;
    background: linear-gradient(135deg, #18A2F2, #1755B5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
    line-height: 1;
    opacity: 1;
}

.stat-item p {
    font-size: 16px;
    color: #666;
    font-weight: 400;
    margin: 0;
    opacity: 1;
}

/* 关于我们 */
.about {
    padding: 100px 0 0 0;
    text-align: center;
    background: url('https://obsqingnang.guoyaoplat.com/guanwang/images/cycle.svg') no-repeat center center;
    background-size: contain;
    position: relative;
}

.about h2 {
    font-size: 40px;
    font-weight: 600;
    /*background: linear-gradient(to right, #18A2F2, #1755B5);*/
    color: #1755B5;
    /*-webkit-background-clip: text;*/
    /*-webkit-text-fill-color: transparent;*/
    margin-bottom: 30px;
}

.about-description {
    font-size: 20px;
    color: #8D9094;
    max-width: 1013px;
    margin: 0 auto 60px;
    line-height: 1.5;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(305px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.feature-card {
    /* background: #FFFFFF; */
    border-radius: 20px;
    /* padding: 40px 20px; */
    text-align: center;
    /* box-shadow: 0px 12px 32px rgba(153, 172, 255, 0.14); */
}

.feature-card:hover {
    backdrop-filter: blur(2px);
    box-shadow: 0px 12px 32px rgba(153, 172, 255, 0.14);
    transition: all .3s;
}

.feature-icon {
    width: 150px;
    height: 150px;
    margin: 0 auto 20px;
    /*background: #f0f0f0;*/
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon img {
    width: 100%;
    height: 100%;
}

.feature-card h3 {
    font-size: 32px;
    font-weight: 600;
    background: linear-gradient(to right, #18A2F2, #1755B5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
}

.feature-card p {
    font-size: 16px;
    color: #8D9094;
    line-height: 1.5;
    margin: 0 14px 48px;
}

#aptitude {
    background: url(https://obsqingnang.guoyaoplat.com/guanwang/images/Group.svg) no-repeat center center;
    background-size: contain;
}

/* 资质认证 */
.aptitude {
    padding: 100px 0 0 0;
    background: url("https://obsqingnang.guoyaoplat.com/guanwang/images/Layer1.png") no-repeat center center;
    background-size: contain;
    background-attachment: scroll;
    position: relative;
    min-height: 600px;
}

.aptitude h2 {
    font-size: 40px;
    font-weight: 600;
    /*color: white;*/
    color: #1755B5;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 30px;
    max-width: 1300px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* 最后三个证书居中展示 */
.certificates-grid-center {
    display: grid;
    grid-template-columns: repeat(3, minmax(190px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 30px auto 0;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.certificate-card {
    /*background: #ffffff;*/
    border-radius: 15px;
    /*padding: 20px 20px 15px 20px;*/
    box-shadow: 0px 8px 24px rgba(24, 162, 242, 0.1);
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

/* 证书图片容器 */
.certificate-image-container {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    height: 100%;
}

.certificate-card:hover {
    transform: translateY(-5px);
    box-shadow: 0px 12px 32px rgba(24, 162, 242, 0.2);
}

.certificate-card img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.certificate-card:hover img {
    transform: scale(1.05);
}

.certificate-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(24, 162, 242, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 15px;
}

.certificate-card:hover .certificate-overlay {
    opacity: 1;
}

.view-text {
    color: white;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
}

/* 底部蓝色半透明遮罩 */
.certificate-overlay-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(24, 162, 242, 0.9) 0%, rgba(24, 162, 242, 0.7) 50%, transparent 100%);
    padding: 15px 10px 10px;
    border-radius: 0 0 10px 10px;
}

.certificate-text {
    color: white;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    display: block;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.certificate-title {
    margin-top: 15px;
    font-size: 16px;
    font-weight: 600;
    color: #1755B5;
    text-align: center;
    line-height: 1.4;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: relative;
    margin: 5% auto;
    padding: 0;
    width: 90%;
    max-width: 800px;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    animation: slideIn 0.3s ease;
}

.modal-content img {
    width: 100%;
    height: auto;
    display: block;
}

.close {
    position: absolute;
    top: 15px;
    right: 25px;
    color: white;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.close:hover {
    background: rgba(0, 0, 0, 0.8);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 解决方案轮播 */
.solutions {
    padding: 100px 0 0 0;
    text-align: center;
    background: linear-gradient(180deg, rgba(235, 245, 255, 0) 0%, rgba(225, 240, 255, 1) 50%, rgba(255, 255, 255, 0) 100%);
}

.solutions h2 {
    font-size: 40px;
    font-weight: 600;
    /*background: linear-gradient(to right, #18A2F2, #1755B5);*/
    /*-webkit-background-clip: text;*/
    /*-webkit-text-fill-color: transparent;*/
    margin-bottom: 60px;
    color: #1755B5;
}

.carousel-container {
    position: relative;
    max-width: 1280px;
    margin: 0 auto;
}

.carousel {
    position: relative;
    overflow: hidden;
}

.carousel-inner {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel-item {
    min-width: 100%;
    display: flex;
    justify-content: space-between;
    gap: 30px;
    padding: 0 20px;
}

/* 解决方案卡片样式 */
.solution-card {
    /* background: linear-gradient(135deg, rgba(24, 162, 242, 0.1) 0%, rgba(23, 85, 181, 0.15) 100%); */
    background: rgba(255, 255, 255, 0.30);
    /* background-color: #fff; */
    border-radius: 20px;
    padding: 0;
    text-align: center;
    box-shadow: 0px 8px 24px rgba(24, 162, 242, 0.15);
    backdrop-filter: blur(10px);
    /* border: 1px solid rgba(255, 255, 255, 0.2); */
    transition: all 0.3s ease;
    flex: 1;
    max-width: 380px;
    min-height: 532px;
    display: flex;
    flex-direction: column;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0px 12px 32px rgba(24, 162, 242, 0.25);
}

.solution-card-image {
    width: 100%;
    height: 200px;
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 25px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
}

.solution-card-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1755B5;
    margin-bottom: 15px;
    line-height: 1.3;
}

.solution-card-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    text-align: left;
    margin: 0 1em;
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(24, 162, 242, 0.3);
    cursor: pointer;
    transition: all 0.3s;
}

.indicator.active {
    background: linear-gradient(to right, #18A2F2, #1755B5);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    filter: drop-shadow(0 1.851px 7.404px rgba(0, 0, 0, 0.12));
    border-radius: 50%;
    background: #fff;
    /* background: #FFFFFF;
    border: none; */
    /* width: 50px; */
    /* height: 50px; */
    /* border-radius: 50%;
    font-size: 24px;
    color: #18A2F2; */
    cursor: pointer;
    /* box-shadow: 0px 4px 12px rgba(24, 162, 242, 0.2); */
    /* transition: all 0.3s; */
    z-index: 10;
}

/* .carousel-btn:hover {
    background: #18A2F2;
    color: white;
    box-shadow: 0px 6px 16px rgba(24, 162, 242, 0.3);
} */

.carousel-btn.prev {
    left: -10px;
}

.carousel-btn.next {
    right: -10px;
}

/* OTC轮播保持原有样式 */
#otcCarousel .carousel-item {
    display: flex;
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(4px);
    border-radius: 20px;
    box-shadow: 0px 12px 32px rgba(153, 172, 255, 0.14);
    overflow: hidden;
}

#otcCarousel .carousel-content {
    flex: 1;
    padding: 60px 40px;
    text-align: left;
}

#otcCarousel .carousel-content h3 {
    font-size: 24px;
    font-weight: 600;
    background: linear-gradient(to right, #18A2F2, #1755B5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 30px;
}

#otcCarousel .carousel-content p {
    font-size: 16px;
    color: #8D9094;
    line-height: 1.5;
}

#otcCarousel .carousel-image {
    flex: 3;
    background-size: cover;
    background-position: center;
    min-height: 400px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#otcCarousel .carousel-image img {
    width: 90%;
    height: 90%;
    border-radius: 20px;
}

/* OTC轮播区域 */
.otc-section {
    padding: 50px 0 0 0;
}

.otc-carousel .carousel-item {
    background: rgba(255, 255, 255, 0.3);
}




/* 响应式设计 */
@media (max-width: 768px) {

    .hero-content h1,
    .hero-content h2,
    .hero-content h3 {
        font-size: 36px;
    }

    .hero-content .suffix {
        line-height: 1.5em;
    }

    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .news-card {
        flex-direction: column;
    }

    .news-card img {
        width: 100%;
        height: 200px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .carousel-btn {
        display: none;
    }

    .solution-card {
        max-width: 100%;
        min-height: 350px;
        padding: 0;
        background: rgba(255, 255, 255, 0.30);
        box-shadow: 0 12px 32px 0 rgba(153, 172, 255, 0.14);
        backdrop-filter: blur(2px);
    }

    .solution-card-image {
        height: 150px;
        margin-bottom: 20px;
    }

    .solution-card-content h3 {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .solution-card-content p {
        font-size: 13px;
    }

    .certificates-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        padding: 0 20px;
    }

    .certificates-grid-center {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        padding: 0 20px;
        max-width: 100%;
    }

    .certificate-card {
        padding: 15px 15px 12px 15px;
    }

    .certificate-title {
        font-size: 14px;
        margin-top: 12px;
        min-height: 40px;
    }

    .aptitude h2 {
        font-size: 32px;
        margin-bottom: 40px;
    }
}

/* 轮播特定样式 */
.solutions-carousel .carousel-item {
    min-height: auto;
}

.otc-carousel .carousel-item {
    min-height: 500px;
}

.contact {
    background: #0D185C;
}