/* Strengths页面样式 */

/* 主要背景样式 */
/* 移除特定的page-header样式，使用全局样式 */

/* 强项卡片样式 */
.strength-feature-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    height: 100%;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border-top: 5px solid transparent;
    opacity: 0;
    transform: translateY(30px);
}

.strength-feature-card.active {
    opacity: 1;
    transform: translateY(0);
}

/* 为每个卡片设置不同的动画延迟和顶部边框颜色 */
.col-lg-3:nth-child(1) .strength-feature-card {
    border-top-color: #4a90e2;
    transition-delay: 0.1s;
}

.col-lg-3:nth-child(2) .strength-feature-card {
    border-top-color: #50c878;
    transition-delay: 0.2s;
}

.col-lg-3:nth-child(3) .strength-feature-card {
    border-top-color: #f5b041;
    transition-delay: 0.3s;
}

.col-lg-3:nth-child(4) .strength-feature-card {
    border-top-color: #9b59b6;
    transition-delay: 0.4s;
}

.strength-feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* 图标样式 */
.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    margin-bottom: 20px;
    position: relative;
    transition: all 0.4s ease;
}

.feature-icon::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background: linear-gradient(45deg, rgba(74, 144, 226, 0.5) 0%, rgba(74, 144, 226, 0) 100%);
    opacity: 0;
    transition: all 0.4s ease;
}

.strength-feature-card:hover .feature-icon::after {
    opacity: 1;
    transform: scale(1.1);
}

.col-lg-3:nth-child(1) .feature-icon i {
    color: #4a90e2;
}

.col-lg-3:nth-child(2) .feature-icon i {
    color: #50c878;
}

.col-lg-3:nth-child(3) .feature-icon i {
    color: #f5b041;
}

.col-lg-3:nth-child(4) .feature-icon i {
    color: #9b59b6;
}

.feature-icon i {
    font-size: 28px;
    transition: all 0.4s ease;
}

.strength-feature-card:hover .feature-icon i {
    transform: scale(1.1);
}

/* 标题样式 */
.strength-feature-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #333;
    position: relative;
    padding-bottom: 12px;
}

.strength-feature-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: #ddd;
    transition: all 0.4s ease;
}

.col-lg-3:nth-child(1) .strength-feature-card h3::after {
    background: #4a90e2;
}

.col-lg-3:nth-child(2) .strength-feature-card h3::after {
    background: #50c878;
}

.col-lg-3:nth-child(3) .strength-feature-card h3::after {
    background: #f5b041;
}

.col-lg-3:nth-child(4) .strength-feature-card h3::after {
    background: #9b59b6;
}

.strength-feature-card:hover h3::after {
    width: 80px;
}

/* 内容样式 */
.feature-content {
    margin-top: 15px;
}

.feature-content p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.feature-points {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-points li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 8px;
    color: #666;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.4s ease;
}

.strength-feature-card.active .feature-points li {
    opacity: 1;
    transform: translateX(0);
}

.feature-points li:nth-child(1) {
    transition-delay: 0.5s;
}

.feature-points li:nth-child(2) {
    transition-delay: 0.6s;
}

.feature-points li:nth-child(3) {
    transition-delay: 0.7s;
}

.feature-points li:nth-child(4) {
    transition-delay: 0.8s;
}

.feature-points li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4a90e2;
}

.col-lg-3:nth-child(1) .feature-points li::before {
    color: #4a90e2;
}

.col-lg-3:nth-child(2) .feature-points li::before {
    color: #50c878;
}

.col-lg-3:nth-child(3) .feature-points li::before {
    color: #f5b041;
}

.col-lg-3:nth-child(4) .feature-points li::before {
    color: #9b59b6;
}

/* 技术专业部分 */
.technical-expertise {
    background: white;
    position: relative;
    overflow: hidden;
    padding: 60px 0;
}

/* .technical-expertise::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    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='%234a90e2' 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");
} */

/* 专业卡片 */
.expertise-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    height: 100%;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.expertise-card.active {
    opacity: 1;
    transform: translateY(0);
}

.col-md-4:nth-child(1) .expertise-card {
    transition-delay: 0.1s;
}

.col-md-4:nth-child(2) .expertise-card {
    transition-delay: 0.2s;
}

.col-md-4:nth-child(3) .expertise-card {
    transition-delay: 0.3s;
}

.expertise-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.expertise-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #333;
    display: inline-flex;
    align-items: center;
}

.expertise-card h3 i {
    margin-right: 10px;
    color: #4a90e2;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.expertise-card:hover h3 i {
    transform: rotate(360deg);
}

.tech-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tech-list li {
    position: relative;
    padding: 12px 0;
    margin-bottom: 5px;
    border-bottom: 1px solid #f0f0f0;
    color: #666;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.4s ease;
}

.expertise-card.active .tech-list li {
    opacity: 1;
    transform: translateY(0);
}

.expertise-card .tech-list li:nth-child(1) {
    transition-delay: 0.4s;
}

.expertise-card .tech-list li:nth-child(2) {
    transition-delay: 0.5s;
}

.expertise-card .tech-list li:nth-child(3) {
    transition-delay: 0.6s;
}

.expertise-card .tech-list li:nth-child(4) {
    transition-delay: 0.7s;
}

.expertise-card .tech-list li:last-child {
    border-bottom: none;
}

/* 认证部分 */
.certification {
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.certification::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(74, 144, 226, 0.05) 0%, rgba(74, 144, 226, 0) 70%);
    border-radius: 50%;
}

.certification-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    height: 100%;
    transition: all 0.4s ease;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.certification-card.active {
    opacity: 1;
    transform: translateY(0);
}

.col-md-6:nth-child(1) .certification-card {
    transition-delay: 0.1s;
}

.col-md-6:nth-child(2) .certification-card {
    transition-delay: 0.2s;
}

.certification-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.cert-icon {
    flex: 0 0 100px;
    margin-right: 20px;
    position: relative;
}

.cert-badge {
    width: 250px;
    height: 100px;
    object-fit: contain;
    transition: all 0.4s ease;
}

.certification-card:hover .cert-badge {
    transform: scale(1.1) rotate(5deg);
}

.cert-content {
    flex: 1;
}

.cert-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #333;
}

.cert-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 0;
}

/* コンタクトセクション */
.contact-cta {
    /* position: relative; */
    background: linear-gradient(135deg, #eaf3fc 0%, #dbe8f7 100%);
    color: 1a3b6d;
    padding: 80px 0;
    overflow: hidden;
    z-index: 1;
}

/* .contact-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5z' fill='%23ffffff' fill-opacity='0.08' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.4;
    z-index: -1;
}

.contact-cta::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 120px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23ffffff' fill-opacity='1' d='M0,288L48,272C96,256,192,224,288,197.3C384,171,480,149,576,165.3C672,181,768,235,864,250.7C960,267,1056,245,1152,224C1248,203,1344,181,1392,170.7L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E");
    background-size: cover;
    background-position: center;
    z-index: 0;
} */

.contact-cta h2 {
    position: relative;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.contact-cta.active h2 {
    opacity: 1;
    transform: translateY(0);
}

.contact-cta h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    width: 0;
    height: 3px;
    background: white;
    transform: translateX(-50%);
    transition: width 1s ease 0.3s;
}

.contact-cta.active h2::after {
    width: 100px;
}

.contact-cta p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) 0.2s;
    z-index: 2;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.contact-cta.active p {
    opacity: 1;
    transform: translateY(0);
}

.contact-cta .btn {
    padding: 12px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    background: white;
    color: #1a3b6d;
    border: 2px solid white;
    transform: translateY(30px);
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) 0.4s;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.contact-cta.active .btn {
    opacity: 1;
    transform: translateY(0);
}

/* ボタンホバーエフェクト */
/* .contact-cta .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: #1a3b6d;
    transition: all 0.4s ease;
    z-index: -1;
} */

.contact-cta .btn:hover {
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.contact-cta .floating-element {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float-animation 8s infinite ease-in-out;
    z-index: 1;
}

.contact-cta .floating-element:nth-child(1) {
    width: 100px;
    height: 100px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.contact-cta .floating-element:nth-child(2) {
    width: 150px;
    height: 150px;
    top: 20%;
    right: 15%;
    animation-delay: 2s;
}

.contact-cta .floating-element:nth-child(3) {
    width: 80px;
    height: 80px;
    bottom: 30%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float-animation {
    0% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(10deg);
    }
    100% {
        transform: translateY(0) rotate(0deg);
    }
}

/* レスポンシブ調整 */
@media (max-width: 992px) {
    .strength-feature-card {
        margin-bottom: 20px;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
    }
    
    .feature-icon i {
        font-size: 24px;
    }
    
    .strength-feature-card h3 {
        font-size: 1.2rem;
    }
    
    .certification-card {
        flex-direction: column;
        text-align: center;
    }
    
    .cert-icon {
        margin-right: 0;
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 80px 0 40px;
    }
    
    .contact-cta {
        padding: 60px 0;
    }
    
    .contact-cta h2 {
        font-size: 1.8rem;
    }
    
    .contact-cta p {
        font-size: 1rem;
    }
    
    .contact-cta .btn {
        padding: 10px 25px;
        font-size: 1rem;
    }
}