:root {
--primary: #e67e22;
--primary-dark: #d35400;
--primary-light: #fdf2e9;
--secondary: #2c3e50;
--accent: #27ae60;
--bg: #f8f9fa;
--white: #ffffff;
--text: #333333;
--text-light: #666666;
--text-muted: #999999;
--border: #e0e0e0;
--shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
--shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
--radius: 10px;
--radius-sm: 6px;
--transition: all 0.3s ease;
--max-width: 1280px;
}
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
background: var(--bg);
color: var(--text);
line-height: 1.7;
font-size: 15px;
-webkit-font-smoothing: antialiased;
}
.top-bar {
background: var(--secondary);
color: #ccc;
font-size: 13px;
padding: 8px 0;
border-bottom: 2px solid var(--primary);
}
.top-bar .container {
display: flex;
justify-content: space-between;
align-items: center;
flex-wrap: wrap;
gap: 8px;
}
.top-bar a {
color: #f0f0f0;
text-decoration: none;
transition: var(--transition);
}
.top-bar a:hover {
color: var(--primary);
}
.top-bar .hot-tag {
background: var(--primary);
color: #fff;
padding: 2px 8px;
border-radius: 3px;
font-size: 12px;
margin-right: 4px;
animation: pulse 2s infinite;
}
@keyframes pulse {
0%, 100% {
opacity: 1;
}
50% {
opacity: 0.7;
}
}
.header {
background: var(--white);
box-shadow: var(--shadow);
position: sticky;
top: 0;
z-index: 1000;
}
.header .container {
display: flex;
justify-content: space-between;
align-items: center;
padding: 14px 0;
flex-wrap: wrap;
gap: 16px;
}
.logo-area {
display: flex;
align-items: center;
gap: 12px;
text-decoration: none;
}
.logo-icon {
width: 52px;
height: 52px;
background: linear-gradient(135deg, var(--primary), var(--primary-dark));
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
color: #fff;
font-size: 26px;
font-weight: bold;
flex-shrink: 0;
letter-spacing: 2px;
}
.logo-text h1 {
font-size: 22px;
color: var(--secondary);
font-weight: 700;
letter-spacing: 1px;
line-height: 1.2;
}
.logo-text .subtitle {
font-size: 12px;
color: var(--primary);
letter-spacing: 2px;
font-weight: 500;
}
.header-contact {
display: flex;
align-items: center;
gap: 18px;
flex-wrap: wrap;
}
.header-phone {
display: flex;
align-items: center;
gap: 8px;
background: var(--primary-light);
padding: 10px 18px;
border-radius: 30px;
text-decoration: none;
transition: var(--transition);
}
.header-phone:hover {
background: #fde3ce;
transform: scale(1.03);
}
.header-phone .phone-icon {
font-size: 28px;
}
.header-phone .phone-num {
font-size: 20px;
font-weight: 700;
color: var(--primary-dark);
letter-spacing: 1px;
}
.header-phone .phone-label {
font-size: 11px;
color: var(--text-muted);
line-height: 1;
}
.btn-quote {
display: inline-block;
background: var(--accent);
color: #fff;
padding: 11px 22px;
border-radius: 30px;
text-decoration: none;
font-weight: 600;
font-size: 14px;
letter-spacing: 1px;
transition: var(--transition);
white-space: nowrap;
}
.btn-quote:hover {
background: #219a52;
box-shadow: 0 4px 16px rgba(39, 174, 96, 0.35);
transform: translateY(-1px);
}
.main-nav {
background: var(--secondary);
}
.main-nav .container {
display: flex;
align-items: center;
flex-wrap: wrap;
gap: 0;
}
.main-nav a {
color: #ddd;
text-decoration: none;
padding: 14px 20px;
font-size: 14px;
font-weight: 500;
letter-spacing: 1px;
transition: var(--transition);
white-space: nowrap;
border-bottom: 3px solid transparent;
display: block;
}
.main-nav a:hover,  .main-nav a.active {
color: #fff;
background: rgba(255, 255, 255, 0.06);
border-bottom-color: var(--primary);
}
.main-nav a.active {
color: var(--primary);
font-weight: 700;
border-bottom-color: var(--primary);
}
.container {
max-width: var(--max-width);
margin: 0 auto;
padding: 0 20px;
}
.banner {
background: linear-gradient(135deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
color: #fff;
padding: 50px 0 60px;
position: relative;
overflow: hidden;
}
.banner::before {
content: '';
position: absolute;
top: -60px;
right: -80px;
width: 400px;
height: 400px;
background: radial-gradient(circle, rgba(230, 126, 34, 0.25) 0%, transparent 70%);
border-radius: 50%;
pointer-events: none;
}
.banner::after {
content: '';
position: absolute;
bottom: -40px;
left: -60px;
width: 300px;
height: 300px;
background: radial-gradient(circle, rgba(39, 174, 96, 0.2) 0%, transparent 70%);
border-radius: 50%;
pointer-events: none;
}
.banner .container {
position: relative;
z-index: 1;
display: flex;
align-items: center;
flex-wrap: wrap;
gap: 40px;
}
.banner-text {
flex: 1;
min-width: 280px;
}
.banner-text h2 {
font-size: 36px;
font-weight: 800;
letter-spacing: 2px;
margin-bottom: 14px;
line-height: 1.3;
}
.banner-text h2 .highlight {
color: var(--primary);
position: relative;
}
.banner-text .slogan {
font-size: 17px;
color: #ccc;
margin-bottom: 20px;
letter-spacing: 1px;
line-height: 1.6;
}
.banner-tags {
display: flex;
flex-wrap: wrap;
gap: 10px;
margin-bottom: 24px;
}
.banner-tags span {
background: rgba(255, 255, 255, 0.1);
border: 1px solid rgba(255, 255, 255, 0.2);
padding: 7px 16px;
border-radius: 20px;
font-size: 13px;
letter-spacing: 1px;
transition: var(--transition);
}
.banner-tags span:hover {
background: rgba(230, 126, 34, 0.3);
border-color: var(--primary);
cursor: default;
}
.banner-cta {
display: flex;
gap: 14px;
flex-wrap: wrap;
}
.btn-primary {
display: inline-block;
background: var(--primary);
color: #fff;
padding: 13px 28px;
border-radius: 30px;
text-decoration: none;
font-weight: 700;
font-size: 15px;
letter-spacing: 1px;
transition: var(--transition);
border: none;
cursor: pointer;
}
.btn-primary:hover {
background: var(--primary-dark);
box-shadow: 0 6px 20px rgba(230, 126, 34, 0.4);
transform: translateY(-2px);
}
.btn-outline {
display: inline-block;
background: transparent;
color: #fff;
padding: 13px 28px;
border-radius: 30px;
text-decoration: none;
font-weight: 600;
font-size: 15px;
letter-spacing: 1px;
border: 2px solid rgba(255, 255, 255, 0.5);
transition: var(--transition);
cursor: pointer;
}
.btn-outline:hover {
border-color: #fff;
background: rgba(255, 255, 255, 0.08);
transform: translateY(-2px);
}
.banner-stats {
flex: 0 0 280px;
display: grid;
grid-template-columns: 1fr 1fr;
gap: 16px;
min-width: 260px;
}
.stat-card {
background: rgba(255, 255, 255, 0.06);
border: 1px solid rgba(255, 255, 255, 0.15);
border-radius: var(--radius);
padding: 20px 16px;
text-align: center;
backdrop-filter: blur(4px);
transition: var(--transition);
}
.stat-card:hover {
background: rgba(255, 255, 255, 0.12);
border-color: var(--primary);
}
.stat-card .stat-num {
font-size: 28px;
font-weight: 800;
color: var(--primary);
letter-spacing: 1px;
}
.stat-card .stat-label {
font-size: 12px;
color: #bbb;
margin-top: 4px;
letter-spacing: 1px;
}
.section {
padding: 50px 0;
}
.section-title {
text-align: center;
margin-bottom: 36px;
}
.section-title h3 {
font-size: 28px;
color: var(--secondary);
letter-spacing: 2px;
font-weight: 700;
position: relative;
display: inline-block;
}
.section-title h3::after {
content: '';
display: block;
width: 60px;
height: 3px;
background: var(--primary);
margin: 10px auto 0;
border-radius: 2px;
}
.section-title .sub-desc {
color: var(--text-muted);
font-size: 14px;
margin-top: 8px;
letter-spacing: 1px;
}
.service-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
gap: 18px;
}
.service-card {
background: var(--white);
border-radius: var(--radius);
padding: 22px 16px;
text-align: center;
box-shadow: var(--shadow);
transition: var(--transition);
text-decoration: none;
color: var(--text);
border: 2px solid transparent;
cursor: pointer;
display: block;
}
.service-card:hover {
border-color: var(--primary);
box-shadow: var(--shadow-lg);
transform: translateY(-4px);
}
.service-card .card-icon {
font-size: 40px;
margin-bottom: 10px;
display: block;
}
.service-card .card-title {
font-weight: 700;
font-size: 15px;
letter-spacing: 1px;
color: var(--secondary);
margin-bottom: 4px;
}
.service-card .card-sub {
font-size: 12px;
color: var(--text-muted);
letter-spacing: 0.5px;
}
.category-block {
background: var(--white);
border-radius: var(--radius);
box-shadow: var(--shadow);
margin-bottom: 28px;
overflow: hidden;
}
.category-header {
background: var(--secondary);
color: #fff;
padding: 16px 24px;
font-size: 17px;
font-weight: 700;
letter-spacing: 2px;
display: flex;
align-items: center;
gap: 10px;
}
.category-header .cat-icon {
font-size: 24px;
}
.category-body {
padding: 20px 24px;
}
.category-body .tag-list {
display: flex;
flex-wrap: wrap;
gap: 10px;
}
.category-body .tag-list a {
display: inline-block;
background: var(--bg);
color: var(--text);
padding: 8px 16px;
border-radius: 20px;
text-decoration: none;
font-size: 13px;
letter-spacing: 1px;
transition: var(--transition);
border: 1px solid transparent;
}
.category-body .tag-list a:hover {
background: var(--primary-light);
color: var(--primary-dark);
border-color: var(--primary);
font-weight: 600;
}
.category-body .tag-list a.hot {
background: #fff3e0;
color: #e65100;
font-weight: 600;
border-color: #ffcc80;
}
.advantages-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
gap: 20px;
}
.adv-card {
background: var(--white);
border-radius: var(--radius);
padding: 28px 20px;
text-align: center;
box-shadow: var(--shadow);
transition: var(--transition);
border-top: 4px solid transparent;
}
.adv-card:hover {
border-top-color: var(--primary);
box-shadow: var(--shadow-lg);
transform: translateY(-2px);
}
.adv-card .adv-icon {
font-size: 44px;
margin-bottom: 12px;
}
.adv-card h4 {
font-size: 16px;
color: var(--secondary);
letter-spacing: 1px;
margin-bottom: 6px;
}
.adv-card p {
font-size: 13px;
color: var(--text-light);
letter-spacing: 0.5px;
}
.about-section {
background: var(--white);
border-radius: var(--radius);
box-shadow: var(--shadow);
padding: 36px 28px;
display: flex;
flex-wrap: wrap;
gap: 30px;
align-items: center;
}
.about-text {
flex: 1;
min-width: 280px;
}
.about-text h3 {
font-size: 24px;
color: var(--secondary);
letter-spacing: 2px;
margin-bottom: 14px;
}
.about-text p {
color: var(--text-light);
margin-bottom: 10px;
letter-spacing: 0.5px;
line-height: 1.8;
}
.about-highlights {
flex: 0 0 300px;
display: flex;
flex-direction: column;
gap: 14px;
min-width: 250px;
}
.highlight-item {
display: flex;
align-items: center;
gap: 12px;
background: var(--primary-light);
padding: 14px 18px;
border-radius: var(--radius-sm);
font-weight: 600;
letter-spacing: 1px;
color: var(--secondary);
font-size: 14px;
}
.highlight-item .hl-icon {
font-size: 24px;
flex-shrink: 0;
}
.cta-section {
background: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
color: #fff;
text-align: center;
padding: 44px 20px;
border-radius: var(--radius);
}
.cta-section h3 {
font-size: 26px;
letter-spacing: 2px;
margin-bottom: 10px;
}
.cta-section p {
font-size: 15px;
letter-spacing: 1px;
opacity: 0.9;
margin-bottom: 20px;
}
.cta-section .cta-phone {
font-size: 32px;
font-weight: 800;
letter-spacing: 3px;
display: inline-block;
background: rgba(255, 255, 255, 0.2);
padding: 10px 30px;
border-radius: 40px;
text-decoration: none;
color: #fff;
transition: var(--transition);
}
.cta-section .cta-phone:hover {
background: rgba(255, 255, 255, 0.35);
transform: scale(1.04);
}
.footer {
background: #1a1a2e;
color: #aaa;
padding: 40px 0 20px;
font-size: 13px;
letter-spacing: 1px;
}
.footer-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 28px;
margin-bottom: 28px;
}
.footer h4 {
color: #fff;
font-size: 15px;
letter-spacing: 2px;
margin-bottom: 14px;
position: relative;
padding-bottom: 8px;
}
.footer h4::after {
content: '';
position: absolute;
bottom: 0;
left: 0;
width: 30px;
height: 2px;
background: var(--primary);
}
.footer a {
color: #bbb;
text-decoration: none;
transition: var(--transition);
display: block;
margin-bottom: 6px;
}
.footer a:hover {
color: var(--primary);
}
.footer-bottom {
border-top: 1px solid rgba(255, 255, 255, 0.1);
padding-top: 18px;
text-align: center;
color: #777;
font-size: 12px;
letter-spacing: 1px;
}
.footer-bottom a {
color: #999;
text-decoration: none;
}
.footer-bottom a:hover {
color: var(--primary);
}

@media (max-width: 768px) {
.banner-text h2 {
font-size: 26px;
}
.banner-stats {
flex: 1 1 100%;
grid-template-columns: 1fr 1fr;
}
.header .container {
flex-direction: column;
text-align: center;
}
.header-contact {
justify-content: center;
}
.main-nav a {
padding: 10px 14px;
font-size: 12px;
}
.service-grid {
grid-template-columns: repeat(3, 1fr);
gap: 10px;
}
.service-card {
padding: 14px 10px;
}
.service-card .card-icon {
font-size: 28px;
}
.service-card .card-title {
font-size: 12px;
}
.category-body .tag-list a {
font-size: 11px;
padding: 6px 10px;
}
}

@media (max-width: 480px) {
.service-grid {
grid-template-columns: repeat(2, 1fr);
}
.banner-stats {
grid-template-columns: 1fr 1fr;
gap: 8px;
}
.stat-card {
padding: 14px 10px;
}
.stat-card .stat-num {
font-size: 22px;
}
.header-phone .phone-num {
font-size: 16px;
}
.main-nav {
overflow-x: auto;
-webkit-overflow-scrolling: touch;
white-space: nowrap;
}
.main-nav .container {
flex-wrap: nowrap;
gap: 0;
}
.main-nav a {
padding: 10px 12px;
font-size: 11px;
flex-shrink: 0;
}
}
.back-to-top {
position: fixed;
bottom: 30px;
right: 30px;
width: 46px;
height: 46px;
background: var(--primary);
color: #fff;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-size: 20px;
cursor: pointer;
z-index: 999;
box-shadow: 0 4px 16px rgba(230, 126, 34, 0.4);
transition: var(--transition);
text-decoration: none;
border: none;
}
.back-to-top:hover {
background: var(--primary-dark);
transform: translateY(-3px);
box-shadow: 0 6px 20px rgba(230, 126, 34, 0.5);
}


:root {
            --primary: #e67e22;
            --primary-dark: #d35400;
            --primary-light: #fdf2e9;
            --secondary: #2c3e50;
            --accent: #27ae60;
            --bg: #f8f9fa;
            --white: #ffffff;
            --text: #333333;
            --text-light: #666666;
            --text-muted: #999999;
            --border: #e0e0e0;
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --radius: 10px;
            --radius-sm: 6px;
            --transition: all 0.3s ease;
            --max-width: 1280px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }

        /* ========== 顶部通栏 ========== */
        .top-bar {
            background: var(--secondary);
            color: #ccc;
            font-size: 13px;
            padding: 8px 0;
            border-bottom: 2px solid var(--primary);
        }
        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .top-bar a {
            color: #f0f0f0;
            text-decoration: none;
            transition: var(--transition);
        }
        .top-bar a:hover {
            color: var(--primary);
        }
        .top-bar .hot-tag {
            background: var(--primary);
            color: #fff;
            padding: 2px 8px;
            border-radius: 3px;
            font-size: 12px;
            margin-right: 4px;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        /* ========== 头部 ========== */
        .header {
            background: var(--white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px 0;
            flex-wrap: wrap;
            gap: 16px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }
        .logo-icon {
            width: 52px;
            height: 52px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 26px;
            font-weight: bold;
            flex-shrink: 0;
            letter-spacing: 2px;
        }
        .logo-text h1 {
            font-size: 22px;
            color: var(--secondary);
            font-weight: 700;
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .logo-text .subtitle {
            font-size: 12px;
            color: var(--primary);
            letter-spacing: 2px;
            font-weight: 500;
        }
        .header-contact {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .header-phone {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            padding: 10px 18px;
            border-radius: 30px;
            text-decoration: none;
            transition: var(--transition);
        }
        .header-phone:hover {
            background: #fde3ce;
            transform: scale(1.03);
        }
        .header-phone .phone-icon {
            font-size: 28px;
        }
        .header-phone .phone-num {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 1px;
        }
        .header-phone .phone-label {
            font-size: 11px;
            color: var(--text-muted);
            line-height: 1;
        }
        .btn-quote {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 11px 22px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 1px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-quote:hover {
            background: #219a52;
            box-shadow: 0 4px 16px rgba(39, 174, 96, 0.35);
            transform: translateY(-1px);
        }

        /* ========== 主导航 ========== */
        .main-nav {
            background: var(--secondary);
        }
        .main-nav .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0;
        }
        .main-nav a {
            color: #ddd;
            text-decoration: none;
            padding: 14px 20px;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 1px;
            transition: var(--transition);
            white-space: nowrap;
            border-bottom: 3px solid transparent;
            display: block;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            border-bottom-color: var(--primary);
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 700;
            border-bottom-color: var(--primary);
        }

        /* ========== 容器 ========== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== 栏目头部 ========== */
        .category-banner {
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            color: #fff;
            padding: 40px 0;
            text-align: center;
            margin-bottom: 30px;
        }
        .category-banner h2 {
            font-size: 30px;
            letter-spacing: 2px;
            margin-bottom: 8px;
        }
        .category-banner p {
            font-size: 14px;
            color: #ccc;
            letter-spacing: 1px;
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* ========== 文章列表区域 ========== */
        .article-list-section {
            padding: 20px 0 50px;
        }
        .article-grid {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .article-card {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px 28px;
            transition: var(--transition);
            border-left: 4px solid transparent;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .article-card:hover {
            border-left-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .article-card .article-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--secondary);
            letter-spacing: 1px;
            line-height: 1.4;
            text-decoration: none;
            display: block;
            transition: var(--transition);
        }
        .article-card .article-title:hover {
            color: var(--primary);
        }
        .article-meta {
            display: flex;
            gap: 20px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .article-summary {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.8;
            letter-spacing: 0.5px;
        }
        .read-more {
            align-self: flex-end;
            display: inline-block;
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 1px;
            transition: var(--transition);
            padding: 6px 0;
        }
        .read-more:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        /* ========== 侧边栏（可选） ========== */
        .content-wrapper {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
        }
        .main-content {
            flex: 1;
            min-width: 300px;
        }
        .sidebar {
            flex: 0 0 280px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 20px;
        }
        .sidebar-card h4 {
            font-size: 16px;
            color: var(--secondary);
            letter-spacing: 1px;
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
            display: inline-block;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card ul li {
            margin-bottom: 10px;
        }
        .sidebar-card ul li a {
            text-decoration: none;
            color: var(--text);
            font-size: 13px;
            letter-spacing: 0.5px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .sidebar-card ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .sidebar-card .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-card .tag-cloud a {
            background: var(--bg);
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 12px;
            text-decoration: none;
            color: var(--text);
            letter-spacing: 0.5px;
            transition: var(--transition);
        }
        .sidebar-card .tag-cloud a:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        /* ========== 分页 ========== */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 30px;
        }
        .pagination a,
        .pagination span {
            display: inline-block;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            background: var(--white);
            color: var(--text);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .pagination a:hover {
            background: var(--primary);
            color: #fff;
        }
        .pagination .current {
            background: var(--primary);
            color: #fff;
            font-weight: 700;
        }

        /* ========== 页脚 ========== */
        .footer {
            background: #1a1a2e;
            color: #aaa;
            padding: 40px 0 20px;
            font-size: 13px;
            letter-spacing: 1px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 28px;
            margin-bottom: 28px;
        }
        .footer h4 {
            color: #fff;
            font-size: 15px;
            letter-spacing: 2px;
            margin-bottom: 14px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--primary);
        }
        .footer a {
            color: #bbb;
            text-decoration: none;
            transition: var(--transition);
            display: block;
            margin-bottom: 6px;
        }
        .footer a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            text-align: center;
            color: #777;
            font-size: 12px;
            letter-spacing: 1px;
        }
        .footer-bottom a {
            color: #999;
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* 响应式 */
        @media (max-width: 768px) {
            .content-wrapper {
                flex-direction: column;
            }
            .sidebar {
                flex: 1 1 100%;
            }
            .article-card .article-title {
                font-size: 17px;
            }
        }
		
		
		 :root {
            --primary: #e67e22;
            --primary-dark: #d35400;
            --primary-light: #fdf2e9;
            --secondary: #2c3e50;
            --accent: #27ae60;
            --bg: #f8f9fa;
            --white: #ffffff;
            --text: #333333;
            --text-light: #666666;
            --text-muted: #999999;
            --border: #e0e0e0;
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --radius: 10px;
            --radius-sm: 6px;
            --transition: all 0.3s ease;
            --max-width: 1280px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }

        /* ========== 顶部通栏 ========== */
        .top-bar {
            background: var(--secondary);
            color: #ccc;
            font-size: 13px;
            padding: 8px 0;
            border-bottom: 2px solid var(--primary);
        }
        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .top-bar a {
            color: #f0f0f0;
            text-decoration: none;
            transition: var(--transition);
        }
        .top-bar a:hover {
            color: var(--primary);
        }
        .top-bar .hot-tag {
            background: var(--primary);
            color: #fff;
            padding: 2px 8px;
            border-radius: 3px;
            font-size: 12px;
            margin-right: 4px;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        /* ========== 头部 ========== */
        .header {
            background: var(--white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px 0;
            flex-wrap: wrap;
            gap: 16px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }
        .logo-icon {
            width: 52px;
            height: 52px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 26px;
            font-weight: bold;
            flex-shrink: 0;
            letter-spacing: 2px;
        }
        .logo-text h1 {
            font-size: 22px;
            color: var(--secondary);
            font-weight: 700;
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .logo-text .subtitle {
            font-size: 12px;
            color: var(--primary);
            letter-spacing: 2px;
            font-weight: 500;
        }
        .header-contact {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .header-phone {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            padding: 10px 18px;
            border-radius: 30px;
            text-decoration: none;
            transition: var(--transition);
        }
        .header-phone:hover {
            background: #fde3ce;
            transform: scale(1.03);
        }
        .header-phone .phone-icon {
            font-size: 28px;
        }
        .header-phone .phone-num {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 1px;
        }
        .header-phone .phone-label {
            font-size: 11px;
            color: var(--text-muted);
            line-height: 1;
        }
        .btn-quote {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 11px 22px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 1px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-quote:hover {
            background: #219a52;
            box-shadow: 0 4px 16px rgba(39, 174, 96, 0.35);
            transform: translateY(-1px);
        }

        /* ========== 主导航 ========== */
        .main-nav {
            background: var(--secondary);
        }
        .main-nav .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0;
        }
        .main-nav a {
            color: #ddd;
            text-decoration: none;
            padding: 14px 20px;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 1px;
            transition: var(--transition);
            white-space: nowrap;
            border-bottom: 3px solid transparent;
            display: block;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            border-bottom-color: var(--primary);
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 700;
            border-bottom-color: var(--primary);
        }

        /* ========== 容器 ========== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== 面包屑导航 ========== */
        .breadcrumb {
            padding: 16px 0;
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }

        /* ========== 内容区域 ========== */
        .content-wrapper {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            padding-bottom: 50px;
        }
        .main-content {
            flex: 1;
            min-width: 300px;
        }
        .article-container {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 30px 36px;
        }
        .article-header {
            border-bottom: 1px solid var(--border);
            padding-bottom: 20px;
            margin-bottom: 24px;
        }
        .article-header h1 {
            font-size: 26px;
            color: var(--secondary);
            letter-spacing: 2px;
            line-height: 1.4;
            margin-bottom: 14px;
        }
        .article-meta {
            display: flex;
            gap: 24px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .article-body {
            font-size: 15px;
            color: var(--text);
            line-height: 2;
            letter-spacing: 0.5px;
        }
        .article-body h2 {
            font-size: 20px;
            color: var(--secondary);
            margin: 24px 0 12px;
            padding-left: 14px;
            border-left: 3px solid var(--primary);
        }
        .article-body h3 {
            font-size: 17px;
            color: var(--secondary);
            margin: 20px 0 10px;
        }
        .article-body p {
            margin-bottom: 16px;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 16px 20px;
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 16px 0;
        }
        .article-body table th,
        .article-body table td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            font-size: 14px;
            text-align: center;
        }
        .article-body table th {
            background: var(--secondary);
            color: #fff;
        }
        .article-body .highlight-box {
            background: var(--primary-light);
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }
        .article-tags {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }
        .article-tags a {
            display: inline-block;
            background: var(--bg);
            padding: 5px 14px;
            border-radius: 16px;
            font-size: 12px;
            text-decoration: none;
            color: var(--text-light);
            margin-right: 8px;
            margin-bottom: 6px;
            transition: var(--transition);
        }
        .article-tags a:hover {
            background: var(--primary);
            color: #fff;
        }
        .back-to-list {
            display: inline-block;
            margin-top: 20px;
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            letter-spacing: 1px;
            transition: var(--transition);
        }
        .back-to-list:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        /* ========== 侧边栏 ========== */
        .sidebar {
            flex: 0 0 280px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 20px;
        }
        .sidebar-card h4 {
            font-size: 16px;
            color: var(--secondary);
            letter-spacing: 1px;
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
            display: inline-block;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card ul li {
            margin-bottom: 10px;
        }
        .sidebar-card ul li a {
            text-decoration: none;
            color: var(--text);
            font-size: 13px;
            letter-spacing: 0.5px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .sidebar-card ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .sidebar-card .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-card .tag-cloud a {
            background: var(--bg);
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 12px;
            text-decoration: none;
            color: var(--text);
            letter-spacing: 0.5px;
            transition: var(--transition);
        }
        .sidebar-card .tag-cloud a:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .cta-mini {
            background: var(--primary-light);
            text-align: center;
            padding: 16px;
            border-radius: var(--radius-sm);
            margin-top: 10px;
        }
        .cta-mini .phone {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary-dark);
            text-decoration: none;
        }

        /* ========== 页脚 ========== */
        .footer {
            background: #1a1a2e;
            color: #aaa;
            padding: 40px 0 20px;
            font-size: 13px;
            letter-spacing: 1px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 28px;
            margin-bottom: 28px;
        }
        .footer h4 {
            color: #fff;
            font-size: 15px;
            letter-spacing: 2px;
            margin-bottom: 14px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--primary);
        }
        .footer a {
            color: #bbb;
            text-decoration: none;
            transition: var(--transition);
            display: block;
            margin-bottom: 6px;
        }
        .footer a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            text-align: center;
            color: #777;
            font-size: 12px;
            letter-spacing: 1px;
        }
        .footer-bottom a {
            color: #999;
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* 响应式 */
        @media (max-width: 768px) {
            .content-wrapper {
                flex-direction: column;
            }
            .sidebar {
                flex: 1 1 100%;
            }
            .article-container {
                padding: 20px;
            }
            .article-header h1 {
                font-size: 20px;
            }
        }