/* 全局变量定义 */
:root {
    --primary-color: #fd5f17;
    --secondary-color: #0d47a1;
    --accent-color: #009a00;
    --text-color: #333;
    --text-muted: #777;
    --background: #fff;
    --background-light: #f8f9fa;
    --border-color: #e0e0e0;
    --dark-background: #0a172b;
    --danger-color: #ff1a1a;
    --font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.8;
    --spacing-xs: 10px;
    --spacing-sm: 20px;
    --spacing-md: 30px;
    --spacing-lg: 50px;
    --spacing-xl: 80px;
    --spacing-xxl: 100px;
    --container-max-width: 1200px;
    --container-padding: 15px;
    --transition-base: all .3s ease;
    --transition-fast: all .15s ease;
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, .05);
    --shadow-md: 0 5px 20px rgba(0, 0, 0, .1);
    --shadow-lg: 0 15px 40px rgba(0, 0, 0, .15);
    --shadow-primary: 0 15px 40px rgba(253, 95, 23, .2);
}

/* 全局重置与基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-family) !important;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-color);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--secondary-color);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

h1 { font-size: 64px; line-height: 1.1; }
h2 { font-size: 36px; }
h3 { font-size: 24px; font-weight: 600; line-height: 1.4; }
h4 { font-size: 20px; font-weight: 600; line-height: 1.4; }
h5 { font-size: 18px; font-weight: 600; }
h6 { font-size: 16px; font-weight: 600; }

p {
    margin-bottom: 15px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-base);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

a:hover { color: var(--secondary-color); }

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    margin-bottom: 15px;
    padding-left: 20px;
}

/* 通用布局类 */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

.section {
    padding: var(--spacing-xxl) 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }

.bg-light { background-color: var(--background-light); }
.bg-dark { background-color: var(--dark-background); color: #fff; }

/* 间距工具类 */
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 15px 40px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .5px;
    border: none;
    border-radius: 0;
    cursor: pointer;
    transition: var(--transition-base);
    text-align: center;
    line-height: 1;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

/* 关于我们板块 */
.about-section {
    padding: var(--spacing-xxl) 0;
    background-color: #fff;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-image-col { width: 100%; }
.about-image-wrapper { position: relative; overflow: hidden; }
.about-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform .3s ease;
}

.about-content-col { width: 100%; }
.about-content-col .section-title {
    font-size: 28px;
    color: #333;
    margin-bottom: 20px;
    text-align: left;
}

.about-desc p {
    line-height: 1.8;
    color: #666;
    margin-bottom: 20px;
}

.about-btn { margin-top: var(--spacing-md); }

/* 数据统计板块 */
.stats-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--secondary-color);
    color: #fff;
}

.stats-grid {
    display: grid;
    gap: 30px;
    text-align: center;
}

.stats-grid-3 { grid-template-columns: repeat(3, 1fr); }

.stat-item { padding: 20px; }

.stat-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg {
    width: 40px;
    height: 40px;
    fill: currentColor;
}

.stat-number-wrapper {
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 10px;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: baseline;
}

.stat-suffix {
    font-size: 24px;
    margin-left: 5px;
    color: var(--primary-color);
}

.stat-label {
    font-size: 16px;
    color: rgba(255, 255, 255, .8);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 理念板块 */
.services-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--background-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: #fff;
    padding: 40px 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, .05);
    transition: all .3s ease;
    height: 100%;
    position: relative;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, .1);
}

.service-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 25px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon svg {
    width: 40px;
    height: 40px;
    fill: currentColor;
}

.service-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.service-desc {
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

/* 团队板块 */
.team-section {
    padding: var(--spacing-xxl) 0;
    background-color: #fff;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.team-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }

.team-card { text-align: center; }

.team-photo {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.team-name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--secondary-color);
}

.team-position {
    color: var(--text-muted);
    font-size: 14px;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 页脚样式 */
.site-footer {
    background-color: var(--dark-background);
    color: rgba(255, 255, 255, .8);
    width: 100%;
    padding: 20px 0;
    border-top: 1px solid #eee;
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    text-align: center;
}

.footer-text {
    color: #666;
    font-size: 14px;
}

/* 响应式适配 */
@media (max-width: 991px) {
    :root {
        --spacing-xl: 60px;
        --spacing-xxl: 80px;
    }

    h1 { font-size: 48px; }
    h2 { font-size: 28px; }
    h3 { font-size: 22px; }

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .stats-grid-3 { grid-template-columns: repeat(2, 1fr); }
    .stat-number-wrapper { font-size: 36px; }

    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .services-section { padding: var(--spacing-lg) 0; }

    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .team-section { padding: var(--spacing-lg) 0; }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 15px;
        --spacing-md: 20px;
        --spacing-lg: 40px;
        --spacing-xl: 50px;
        --spacing-xxl: 60px;
    }

    body { font-size: 15px; }

    h1 { font-size: 36px; }
    h2 { font-size: 24px; }
    h3 { font-size: 20px; }

    .about-section { padding: var(--spacing-md) 0; }

    .stats-section { padding: var(--spacing-lg) 0; }
    .stat-item { padding: 10px; }

    .services-grid { grid-template-columns: 1fr; }
    .services-section { padding: var(--spacing-md) 0; }
    .service-card { padding: 30px 20px; }

    .team-grid { grid-template-columns: 1fr; }
    .team-section { padding: var(--spacing-md) 0; }

    .btn {
        padding: 12px 30px;
        font-size: 13px;
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 32px; }
    h2 { font-size: 22px; }

    .btn { padding: 10px 25px; }
}

######################################################################################
.services-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--background-light)
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px
}

.service-card {
    background: #fff;
    padding: 40px 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, .05);
    transition: all .3s ease;
    height: 100%;
    position: relative;
    text-align: center
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, .1)
}

.service-link {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%
}

.service-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 25px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center
}

.service-icon svg {
    width: 40px;
    height: 40px;
    fill: currentColor
}

.service-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--secondary-color)
}

.service-desc {
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0
}

@media (max-width:991px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr)
    }

    .services-section {
        padding: var(--spacing-lg) 0
    }
}

@media (max-width:767px) {
    .services-grid {
        grid-template-columns: 1fr
    }

    .services-section {
        padding: var(--spacing-md) 0
    }

    .service-card {
        padding: 30px 20px
    }
}