@charset "utf-8";

/* ===================== 视频背景样式 ===================== */
.video-bg-section {
    width: 100%;
    position: relative;
    overflow: visible;
    background: transparent;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 344px;
}

.video-container {
    width: 1200px;
    height: 344px;
    margin: 0 auto;
    position: relative;
    background: transparent;
    overflow: visible;
}

.video-container video {
    width: 1200px !important;
    height: 344px !important;
    object-fit: fill !important;
    display: block;
    background: transparent;
    margin: 0;
    padding: 0;
    border: none;
}

/* ===================== 简介区域样式 ===================== */
.intro-container {
    width: 100%;
    max-width: 1300px;
    margin: 40px auto;
    padding: 0;
    box-sizing: border-box;
}

.intro-title {
    font-size: 28px;
    color: #000;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    font-weight: 700;
}

.intro-header {
    color: #000;
    padding: 40px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.intro-header p {
    font-size: 16px;
    line-height: 1.8;
    color: #000;
    margin: 0;
    text-align: left;
}

.intro-header p strong a,
.intro-header p strong span {
    color: #ff0000;
}

/* 核心优势板块 */
.advantages-section {
    margin: 40px 0;
}

.advantages-title {
    font-size: 28px;
    color: #000;
    margin-bottom: 30px;
    padding-left: 10px;
}

.advantages-grid {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: nowrap;
    width: 100%;
}

.advantage-card {
    background: #fff;
    padding: 25px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-top: 3px solid #000;
    flex: 1;
    min-width: 280px;
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.3);
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 4px rgba(0, 0, 0, 0.6);
    border-top-color: #333;
}

.advantage-card h3 {
    font-size: 18px;
    color: #000;
    margin: 0 0 15px;
    font-weight: 600;
    text-align: center;
}

.advantage-card p {
    font-size: 15px;
    line-height: 1.7;
    color: #444;
    margin: 0;
    text-align: center;
}

/* 服务卡片样式 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.section-title {
    text-align: center;
    color: #ff0000;
    font-size: 36px;
    margin-bottom: 50px;
    font-weight: bold;
}

.service-card {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 4px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.2);
    box-shadow: 0 3px 20px rgba(0, 0, 0, 0.2);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 3px 20px rgba(0, 0, 0, 0.6);
    background: rgba(255, 255, 255, 0.15);
}

.service-icon {
    font-size: 40px;
    margin-bottom: 15px;
    color: #ff0000;
}

.service-title {
    color: #ff0000;
    font-size: 20px;
    margin-bottom: 10px;
    font-weight: bold;
}

.service-subtitle {
    color: #000;
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 15px;
}

.service-features {
    list-style: none;
    margin-top: 15px;
}

.service-features li {
    color: #000;
    padding: 6px 0;
    font-size: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* 企业理念板块 */
.philosophy-section {
    color: #000;
    padding: 50px;
    border-radius: 3px;
    margin: 60px 0;
    border: 1px solid rgba(0, 0, 0, 0.2);
}

.philosophy-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
}

.philosophy-item {
    flex: 1;
    min-width: 200px;
}

.philosophy-item h3 {
    font-size: 18px;
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 10px;
    text-align: center;
}

.philosophy-item p {
    font-size: 15px;
    line-height: 1.6;
    opacity: 0.9;
    margin: 0;
    text-align: center;
}