/* =========================================
   Core Capabilities Section - Enhanced Design
   四大核心能力模块 - 高端交互设计
   ========================================= */

/* =========================================
   视差滚动背景
   ========================================= */

.capability-parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    background-image: url('../images/index/linebg.svg');
    background-size: cover;
    background-position: center center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    opacity: 0.12;
}

/* 移动端禁用 fixed 背景（性能优化） */
@media (max-width: 1024px) {
    .capability-parallax-bg {
        background-attachment: scroll;
    }
}

/* =========================================
   标题区域 - 居左对齐
   ========================================= */

.core-capabilities-header {
    text-align: left;
    margin-bottom: 60px;
}

.core-capabilities-header .section-caption-fancy {
    margin-bottom: 15px;
}

.core-capabilities-header .section-title {
    margin-bottom: 20px;
}

.core-capabilities-header .section-descr {
    max-width: 600px;
    margin: 0;
}

/* =========================================
   英文标签增强交互效果（与首页保持一致）
   ========================================= */

/* 英文标签基础样式增强 */
.core-capabilities-header .section-caption-fancy {
    position: relative !important;
    display: inline-flex !important;
    align-items: center !important;

    /* 字体 - 现代精致 */
    font-size: 11px !important;
    font-weight: 700 !important;
    letter-spacing: 0.2em !important;
    text-transform: uppercase !important;

    /* 尺寸 - 紧凑精致 */
    padding: 5px 12px 5px 16px !important;

    /* 颜色 - 低调优雅 */
    color: rgba(54, 201, 88, 0.75) !important;
    background-color: rgba(54, 201, 88, 0.08) !important;
    background-image: none !important;

    /* 边框 - 左侧加重设计 */
    border: none !important;
    border-left: 2px solid rgba(54, 201, 88, 0.6) !important;
    border-radius: 0 2px 2px 0 !important;

    /* 阴影 - 轻微浮起 */
    box-shadow: 0 2px 8px rgba(54, 201, 88, 0.05) !important;

    /* 过渡 - 平滑动画 */
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* 英文标签：左侧科技感光效装饰 */
.core-capabilities-header .section-caption-fancy::before {
    content: '' !important;
    position: absolute !important;
    left: -2px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    width: 2px !important;
    height: 60% !important;
    background: linear-gradient(180deg,
        transparent 0%,
        rgba(54, 201, 88, 0.8) 50%,
        transparent 100%) !important;
    opacity: 0 !important;
    transition: opacity 0.4s ease !important;
}

/* 英文标签：右侧点缀 */
.core-capabilities-header .section-caption-fancy::after {
    content: '' !important;
    display: inline-block !important;
    width: 3px !important;
    height: 3px !important;
    background: rgba(54, 201, 88, 0.4) !important;
    border-radius: 50% !important;
    margin-left: 8px !important;
    transition: all 0.4s ease !important;
}

/* 深色背景下的英文标签 */
.light-content .core-capabilities-header .section-caption-fancy {
    background-color: rgba(54, 201, 88, 0.1) !important;
    color: rgba(54, 201, 88, 0.85) !important;
    border-left-color: rgba(54, 201, 88, 0.7) !important;
    box-shadow: 0 2px 12px rgba(54, 201, 88, 0.08) !important;
}

/* Hover效果 - 科技感增强 */
.core-capabilities-header .section-caption-fancy:hover {
    background-color: rgba(54, 201, 88, 0.12) !important;
    border-left-color: rgba(54, 201, 88, 1) !important;
    transform: translateX(2px) !important;
    box-shadow: 0 4px 16px rgba(54, 201, 88, 0.15) !important;
}

.core-capabilities-header .section-caption-fancy:hover::before {
    opacity: 1 !important;
}

.core-capabilities-header .section-caption-fancy:hover::after {
    background: rgba(54, 201, 88, 0.8) !important;
    box-shadow: 0 0 8px rgba(54, 201, 88, 0.6) !important;
}

.light-content .core-capabilities-header .section-caption-fancy:hover {
    background-color: rgba(54, 201, 88, 0.15) !important;
}

/* =========================================
   卡片容器 - 2x2布局
   ========================================= */

.capability-card {
    position: relative;
    background: linear-gradient(135deg, rgba(30, 30, 30, 0.95) 0%, rgba(20, 20, 20, 0.98) 100%);
    border: 1px solid rgba(54, 201, 88, 0.15);
    border-radius: 2px;
    padding: 40px 32px;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
    height: 100%;
}

/* 悬停状态 - 整体提升 */
.capability-card:hover {
    transform: translateY(-8px);
    border-color: rgba(54, 201, 88, 0.4);
    box-shadow:
        0 16px 40px rgba(0, 0, 0, 0.4),
        0 0 60px rgba(54, 201, 88, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* 激活时轻微下沉 */
.capability-card:active {
    transform: translateY(-4px);
}

/* =========================================
   图标区域 - 增强动效
   ========================================= */

.capability-icon-wrapper {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 0 24px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

/* 图标背景容器 */
.capability-icon-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(54, 201, 88, 0.1) 0%, rgba(54, 201, 88, 0.05) 100%);
    border: 2px solid rgba(54, 201, 88, 0.2);
    border-radius: 50%;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 图标本身 */
.capability-icon {
    position: relative;
    width: 40px !important;
    height: 40px !important;
    color: #36c958;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

/* 悬停时图标效果 */
.capability-card:hover .capability-icon-bg {
    background: linear-gradient(135deg, rgba(54, 201, 88, 0.2) 0%, rgba(54, 201, 88, 0.1) 100%);
    border-color: rgba(54, 201, 88, 0.4);
    box-shadow: 0 0 30px rgba(54, 201, 88, 0.3);
    transform: scale(1.1) rotate(5deg);
}

.capability-card:hover .capability-icon {
    transform: scale(1.15) rotate(-5deg);
    filter: drop-shadow(0 0 8px rgba(54, 201, 88, 0.6));
}

/* =========================================
   文字内容区域
   ========================================= */

.capability-content {
    position: relative;
    z-index: 1;
    text-align: left;
}

/* 标题 */
.capability-title {
    font-size: 22px;
    font-weight: 700;
    color: #F6F7F9;
    margin-bottom: 16px;
    line-height: 1.3;
    transition: color 0.3s ease;
}

.capability-card:hover .capability-title {
    color: #36c958;
}

/* 概括语句 */
.capability-summary {
    font-size: 15px;
    font-weight: 600;
    color: #36c958;
    margin-bottom: 12px;
    line-height: 1.4;
}

/* 描述文字 */
.capability-description {
    font-size: 14px;
    line-height: 1.7;
    color: #B8B8B8;
    margin: 0 0 20px 0;
    transition: color 0.3s ease;
}

.capability-card:hover .capability-description {
    color: #D0D0D0;
}

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

/* 平板设备 */
@media (max-width: 991px) {
    .core-capabilities-header {
        margin-bottom: 50px;
    }

    .capability-card {
        padding: 35px 28px;
    }

    .capability-icon-wrapper {
        width: 70px;
        height: 70px;
        margin-bottom: 20px;
    }

    .capability-icon {
        width: 36px !important;
        height: 36px !important;
    }

    .capability-title {
        font-size: 20px;
        margin-bottom: 14px;
    }

    .capability-summary {
        font-size: 14px;
    }

    .capability-description {
        font-size: 13px;
    }
}

/* 手机设备 */
@media (max-width: 767px) {
    .core-capabilities-header {
        margin-bottom: 40px;
    }

    .core-capabilities-header .section-descr {
        max-width: 100%;
    }

    .capability-card {
        padding: 30px 24px;
    }

    .capability-icon-wrapper {
        width: 64px;
        height: 64px;
        margin-bottom: 18px;
    }

    .capability-icon {
        width: 32px !important;
        height: 32px !important;
    }

    .capability-title {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .capability-summary {
        font-size: 13px;
        margin-bottom: 10px;
    }

    .capability-description {
        font-size: 13px;
        line-height: 1.6;
    }

    /* 移动端减少悬停效果的偏移 */
    .capability-card:hover {
        transform: translateY(-4px);
    }
}

/* =========================================
   可访问性优化
   ========================================= */

/* 聚焦状态 */
.capability-card:focus-visible {
    outline: 2px solid #36c958;
    outline-offset: 4px;
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    .capability-card,
    .capability-card::before,
    .capability-card::after,
    .capability-icon-bg,
    .capability-icon,
    .capability-title,
    .capability-description {
        transition: none !important;
        animation: none !important;
    }

    .capability-card:hover {
        transform: none !important;
    }

    .capability-card:hover .capability-icon-bg,
    .capability-card:hover .capability-icon {
        transform: none !important;
    }
}

/* =========================================
   加载动画增强
   ========================================= */

.capability-card.wow {
    visibility: hidden;
}

.capability-card.wow.animated {
    visibility: visible;
}

/* 卡片渐入动画的初始状态 */
.capability-card.wow {
    opacity: 0;
    transform: translateY(30px);
}

.capability-card.wow.animated {
    opacity: 1;
    transform: translateY(0);
}