/* 组件样式 - 按钮、卡片等 */

/* ===== 按钮组件 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-base) var(--spacing-lg);
    border-radius: var(--radius-base);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
    text-transform: none;
}

/* 主按钮 */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(0, 102, 204, 0.2);
}

/* 次级按钮 */
.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary-dark);
    color: var(--color-primary-dark);
}

/* 联系按钮 */
.btn-contact {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: 2px solid var(--color-primary);
    padding: var(--spacing-base) var(--spacing-xl);
    border-radius: var(--radius-base);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
}

.btn-contact:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

/* 大按钮 */
.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-base);
}

/* 文字按钮 */
.btn-text {
    background: none;
    border: none;
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
    padding: 0;
    display: inline-flex;
    align-items: center;
    transition: all var(--transition-fast);
    font-size: var(--font-size-small);
}

.btn-text:hover {
    color: var(--color-primary-dark);
    transform: translateX(4px);
}

/* ===== 卡片组件 ===== */
.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-light);
    transition: all var(--transition-fast);
}

.card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-4px);
}

/* ===== 特定卡片 ===== */

/* 优势卡片 */
.advantage-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-base);
    border-top: 4px solid transparent;
}

.advantage-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-8px);
    border-top-color: var(--color-primary);
}

.advantage-number {
    font-size: 42px;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-base);
}

.advantage-card h3 {
    font-size: var(--font-size-h3);
    color: var(--color-dark);
    margin-bottom: var(--spacing-base);
}

.advantage-card p {
    font-size: var(--font-size-small);
    color: var(--color-gray);
    line-height: 1.6;
    margin: 0;
}

/* 产品卡片 */
.product-card {
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(230,242,255,0.5) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 102, 204, 0.1);
}

.product-card::before {
    font-size: 200px;
    opacity: 0.05;
    position: absolute;
    right: -30px;
    bottom: -50px;
    z-index: 0;
    color: var(--color-primary);
    pointer-events: none;
    line-height: 1;
    transition: opacity var(--transition-base);
}

.product-card:nth-child(1)::before { content: '🌐'; }
.product-card:nth-child(2)::before { content: '🎬'; }
.product-card:nth-child(3)::before { content: '🤖'; }
.product-card:nth-child(4)::before { content: '📊'; }

.product-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 180, 216, 0.3), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.product-card:hover {
    box-shadow: 0 12px 32px rgba(0, 102, 204, 0.15);
    transform: translateY(-8px);
    background: linear-gradient(135deg, rgba(255,255,255,0.98) 0%, rgba(230,242,255,0.8) 100%);
}

.product-card:hover::before {
    opacity: 0.1;
}

.product-card:hover::after {
    opacity: 1;
}

.product-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
    transition: transform var(--transition-base);
    display: none;
}

.product-card:hover .product-icon {
    transform: scale(1.1) rotateZ(5deg);
}

.product-card h3 {
    font-size: var(--font-size-h3);
    color: var(--color-dark);
    margin-bottom: var(--spacing-base);
    position: relative;
    z-index: 1;
}

.product-card p {
    font-size: var(--font-size-small);
    color: var(--color-gray);
    flex-grow: 1;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.product-card .btn-text {
    position: relative;
    z-index: 1;
}

/* 服务卡片 */
.service-card {
    background: linear-gradient(135deg, rgba(255,255,255,0.98) 0%, rgba(230,242,255,0.6) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-light);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border: 1px solid rgba(0, 102, 204, 0.1);
}

.service-card::before {
    font-size: 180px;
    opacity: 0.05;
    position: absolute;
    right: -25px;
    bottom: -40px;
    z-index: 0;
    color: var(--color-primary);
    pointer-events: none;
    line-height: 1;
    transition: opacity var(--transition-base);
}

.service-card:nth-child(1)::before { content: '🌐'; }
.service-card:nth-child(2)::before { content: '🚀'; }
.service-card:nth-child(3)::before { content: '👥'; }

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(0, 180, 216, 0.4) 50%,
        transparent 100%
    );
    opacity: 0;
    transition: opacity var(--transition-base);
    box-shadow: 0 0 20px rgba(0, 180, 216, 0.3);
}

.service-card:hover {
    box-shadow: 0 20px 40px rgba(0, 102, 204, 0.12);
    transform: translateY(-12px);
    background: linear-gradient(135deg, rgba(255,255,255,0.99) 0%, rgba(230,242,255,0.9) 100%);
}

.service-card:hover::before {
    opacity: 0.1;
}

.service-card:hover::after {
    opacity: 1;
    animation: lightGlow 2s ease-in-out infinite;
}

@keyframes linePulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

@keyframes lightGlow {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 20px rgba(0, 180, 216, 0.3);
    }
    50% {
        opacity: 0.5;
        box-shadow: 0 0 10px rgba(0, 180, 216, 0.1);
    }
}

.service-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-lg);
    display: none;
    position: relative;
    z-index: 1;
    transition: transform var(--transition-base);
}

.service-card:hover .service-icon {
    transform: scale(1.2) rotateZ(-5deg);
}

.service-card .service-num {
    font-size: 32px;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-base);
    position: relative;
    z-index: 1;
    opacity: 0.7;
    transition: all var(--transition-base);
}

.service-card:hover .service-num {
    opacity: 1;
    text-shadow: 0 0 10px rgba(0, 102, 204, 0.3);
}

.service-card h3 {
    font-size: var(--font-size-h3);
    color: var(--color-dark);
    margin-bottom: var(--spacing-base);
    position: relative;
    z-index: 1;
}

.service-card p {
    font-size: var(--font-size-small);
    color: var(--color-gray);
    margin: 0;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* 案例卡片 */
.case-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-light);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.case-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-8px);
}

.case-label {
    display: inline-block;
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-tiny);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-base);
}

.case-card h3 {
    font-size: var(--font-size-h3);
    color: var(--color-dark);
    margin-bottom: var(--spacing-base);
}

.case-card > p {
    font-size: var(--font-size-small);
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.case-stat {
    padding: var(--spacing-base);
    background-color: var(--color-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-small);
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
}

.case-stat strong {
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-base);
}

/* 团队卡片 */
.team-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 0;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-base);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.team-card:hover {
    box-shadow: var(--shadow-heavy);
    transform: translateY(-12px);
}

.team-avatar-wrapper {
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
}

.team-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: transform var(--transition-base);
}

.team-card:hover .team-avatar {
    transform: scale(1.05);
}

.team-card h3 {
    font-size: var(--font-size-h3);
    color: var(--color-dark);
    margin: var(--spacing-lg) var(--spacing-lg) var(--spacing-base);
}

.team-title {
    color: var(--color-primary);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
    margin: 0 var(--spacing-lg) var(--spacing-base);
}

.team-bio {
    font-size: var(--font-size-small);
    color: var(--color-gray);
    line-height: 1.6;
    margin: 0 var(--spacing-lg) var(--spacing-lg);
    flex-grow: 1;
}

/* 新闻卡片 */
.news-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.news-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-8px);
}

.news-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 48px;
}

.news-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    padding: 6px 16px;
    border-radius: var(--radius-base);
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.5px;
    margin: var(--spacing-lg) var(--spacing-lg) 0 var(--spacing-lg);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-fast);
}

.news-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left var(--transition-fast);
}

.news-card:hover .news-tag {
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
    transform: scale(1.05);
}

.news-card:hover .news-tag::before {
    left: 100%;
}

/* 不同tag类型的颜色 */
.news-card:nth-child(1) .news-tag {
    background: linear-gradient(135deg, #0066cc 0%, #00b4d8 100%);
}

.news-card:nth-child(2) .news-tag {
    background: linear-gradient(135deg, #06a77d 0%, #00b4d8 100%);
}

.news-card:nth-child(3) .news-tag {
    background: linear-gradient(135deg, #d62828 0%, #ff6b35 100%);
}

.news-card h3 {
    font-size: var(--font-size-base);
    color: var(--color-dark);
    margin: var(--spacing-base) var(--spacing-lg);
}

.news-date {
    font-size: var(--font-size-tiny);
    color: var(--color-gray);
    padding: 0 var(--spacing-lg);
    margin-bottom: var(--spacing-base);
}

.news-card > p {
    font-size: var(--font-size-small);
    color: var(--color-gray);
    padding: 0 var(--spacing-lg);
    flex-grow: 1;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.news-card .btn-text {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* ===== 占位符 ===== */
.partner-item {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-base);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-fast);
    border: 1px solid var(--color-light);
}

.partner-item:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-4px);
    border-color: var(--color-primary);
}

.partner-item img {
    max-width: 100%;
    max-height: 100%;
    display: block;
    /* filter: grayscale(100%); */
    transition: filter var(--transition-base);
}

.partner-item:hover img {
    filter: grayscale(0%);
}