body {
    margin: 0;
    padding: 0;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: #333;
    line-height: 1.6;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 顶部热线 */
.top-bar {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
    padding: 8px 0;
    font-size: 14px;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left span,
.top-bar-right span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

/* 导航栏 */
.navbar {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.nav-brand h1 {
    font-size: 28px;
    color: #1e3a8a;
    margin: 0;
    font-weight: 700;
}

.nav-subtitle {
    font-size: 10px;
    color: #64748b;
    letter-spacing: 2px;
    display: block;
}

.nav-tag {
    display: inline-block;
    background: #1e3a8a;
    color: white;
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 3px;
    margin-top: 3px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-link {
    text-decoration: none;
    color: #475569;
    padding: 8px 16px;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #1e3a8a;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background: #1e3a8a;
    border-radius: 2px;
}

.nav-phone {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #1e3a8a;
    border-radius: 3px;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, #fbdc00 0%, #af1e1e 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(30, 58, 138, 0.4);
}

.btn-secondary {
    background: white;
    color: #1e3a8a;
    border: 2px solid #1e3a8a;
}

.btn-secondary:hover {
    background: #1e3a8a;
    color: white;
}

.btn-large {
    padding: 15px 40px;
    font-size: 16px;
}

.btn-full {
    width: 100%;
}

/* 轮播图 Banner */
.hero-banner {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: #0f172a;
}

.banner-wrapper {
    position: relative;
    width: 100%;
    margin: 0 auto;
    aspect-ratio: 16/5.5;
    overflow: hidden;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.banner-slide-active {
    opacity: 1;
    z-index: 1;
}

.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.banner-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.85);
    color: #1e3a8a;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.banner-arrow:hover {
    background: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transform: translateY(-50%) scale(1.1);
}

.banner-arrow-left {
    left: 20px;
}

.banner-arrow-right {
    right: 20px;
}

.banner-dots {
    position: absolute;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 10px;
}

.banner-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s;
}

.banner-dot-active {
    background: white;
    transform: scale(1.3);
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
}

@media (max-width: 768px) {
    .hero-banner {
        display: none;
    }
}

/* Hero 区域 */
.hero {
    position: relative;
    min-height: 700px;
    background-image: url('/images/banner1.jpg');
    background-size: cover;
    background-position: center;
    
    display: flex;
    align-items: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgb(30 39 145 / 85%) 0%, rgb(0 0 0 / 75%) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    color: white;
    max-width: 700px;
    padding: 20px;
}

.hero-badge {
    display: inline-block;
    background: rgb(255 0 0 / 80%);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 14px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 56px;
    line-height: 1.2;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-highlight {
    color: #fbbf24;
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 30px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.hero-features {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    padding: 10px 20px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
}

/* 公司简介 */
.company-intro {
    padding: 80px 0;
}

.company-intro-content {
    background: white;
    border-radius: 20px;
    padding: 60px;
    text-align: center;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.company-intro-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
}

.company-intro-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    font-size: 48px;
    color: white;
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.3);
}

.company-intro-title {
    font-size: 36px;
    color: #1e3a8a;
    margin-bottom: 10px;
    font-weight: 700;
}

.company-intro-subtitle {
    font-size: 20px;
    color: #fbbf24;
    font-weight: 600;
    margin-bottom: 25px;
}

.company-intro-desc {
    font-size: 16px;
    color: #64748b;
    line-height: 2;
    max-width: 900px;
    margin: 0 auto 30px;
}

.btn-medium {
    padding: 12px 35px;
    font-size: 15px;
}

/* 产品快速导航 */
.quick-nav {
    padding: 60px 0;
}

.quick-nav-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.quick-nav-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: relative;
}

.quick-nav-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    transform: scaleX(0);
    transition: transform 0.3s;
    z-index: 2;
}

.quick-nav-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.2);
}

.quick-nav-item:hover::before {
    transform: scaleX(1);
}

.quick-nav-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.3s;
}

.quick-nav-item:hover .quick-nav-img {
    transform: scale(1.1);
}

.quick-nav-item h3 {
    font-size: 20px;
    margin: 15px 0 8px;
    color: #1e3a8a;
    padding: 0 15px;
}

.quick-nav-item p {
    color: #64748b;
    font-size: 14px;
    padding: 0 15px 15px;
}

.quick-nav-arrow {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    color: white;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 2;
}

.quick-nav-item:hover .quick-nav-arrow {
    opacity: 1;
}

/* Section */
.section {
    padding: 80px 0;
}

.bg-light {
    background: #f8fafc;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 36px;
    color: #1e3a8a;
    margin-bottom: 15px;
    font-weight: 700;
}

.section-subtitle {
    color: #64748b;
    font-size: 16px;
}

/* 核心优势 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(30, 58, 138, 0.15);
}

.feature-number {
    font-size: 60px;
    font-weight: 700;
    color: #e2e8f0;
    position: absolute;
    top: 10px;
    right: 20px;
    line-height: 1;
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    color: #1e3a8a;
    margin-bottom: 15px;
}

.feature-card p {
    color: #64748b;
    line-height: 1.8;
}

/* 热销产品 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    transition: all 0.3s;
    position: relative;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.2);
}

.hot-badge,
.new-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    z-index: 10;
}

.new-badge {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.product-image {
    height: 220px;
    overflow: hidden;
    position: relative;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-size: 18px;
    color: #1e3a8a;
    margin-bottom: 10px;
}

.product-desc {
    color: #64748b;
    font-size: 14px;
    margin-bottom: 15px;
    line-height: 1.6;
}

.product-specs {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.spec {
    background: #f1f5f9;
    color: #475569;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
}

.product-price {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.price-label {
    background: #fef3c7;
    color: #d97706;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

.price-value {
    font-size: 24px;
    font-weight: 700;
    color: #1e3a8a;
}

.product-btn {
    display: block;
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
    text-align: center;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.product-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(30, 58, 138, 0.4);
}

/* 数据统计 */
.stats {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
    padding: 80px 0;
}

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

.stat-item {
    padding: 30px 20px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    transition: all 0.3s ease;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.stat-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1;
    color: #fbbf24;
}

.stat-label {
    font-size: 15px;
    opacity: 0.9;
    letter-spacing: 1px;
}

/* 关于我们 - 公司简介文字 */
.about-detail .about-text {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-detail .about-text h3 {
    font-size: 28px;
    color: #1e3a8a;
    margin-bottom: 20px;
}

.about-detail .about-text p {
    color: #475569;
    line-height: 1.8;
    margin-bottom: 15px;
    font-size: 15px;
}

/* 联系我们预览 - 新布局 */
.contact-preview-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.cp-phone-card {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
    border-radius: 20px;
    padding: 50px 40px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(30, 58, 138, 0.25);
}

.cp-phone-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.cp-phone-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    font-weight: 600;
}

.cp-phone-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: #fbbf24;
    text-decoration: none;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.cp-phone-number:hover {
    text-decoration: none;
}

.cp-phone-card p {
    font-size: 14px;
    opacity: 0.85;
    margin-bottom: 30px;
}

.cp-phone-card .btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: white;
    backdrop-filter: blur(10px);
}

.cp-phone-card .btn:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.contact-preview-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.cp-info-card {
    background: white;
    border-radius: 16px;
    padding: 25px 30px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 1px solid #f1f5f9;
}

.cp-info-card:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.12);
    border-color: #bfdbfe;
}

.cp-info-icon {
    font-size: 36px;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: #f0f7ff;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cp-info-text h3 {
    font-size: 16px;
    color: #1e3a8a;
    margin-bottom: 4px;
    font-weight: 600;
}

.cp-info-text p {
    color: #64748b;
    font-size: 14px;
}

.contact-preview-info .section-footer {
    margin-top: 5px;
}

@media (max-width: 768px) {
    .contact-preview-layout {
        grid-template-columns: 1fr;
    }

    .cp-phone-card {
        padding: 35px 25px;
    }

    .cp-phone-number {
        font-size: 26px;
    }
}

/* 服务流程 */
.process-steps {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}

.step-item {
    flex: 1;
    text-align: center;
    padding: 0 15px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 15px;
}

.step-icon {
    font-size: 36px;
    margin-bottom: 10px;
}

.step-item h3 {
    font-size: 16px;
    color: #1e3a8a;
    margin-bottom: 5px;
}

.step-item p {
    color: #64748b;
    font-size: 13px;
}

.step-arrow {
    font-size: 30px;
    color: #cbd5e1;
    flex-shrink: 0;
}

/* 客户评价 */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: white;
    padding: 35px;
    border-radius: 15px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
    transition: all 0.3s;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.15);
}

.testimonial-stars {
    color: #fbbf24;
    font-size: 20px;
    margin-bottom: 20px;
}

.testimonial-text {
    color: #475569;
    line-height: 1.8;
    margin-bottom: 25px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.author-info strong {
    display: block;
    color: #1e3a8a;
    font-size: 16px;
}

.author-info span {
    color: #64748b;
    font-size: 14px;
}

/* 联系我们 */
.contact-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
}

.contact-left {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
}

.contact-cta {
    text-align: center;
    margin-bottom: 30px;
}

.contact-cta h3 {
    font-size: 28px;
    color: #1e3a8a;
    margin-bottom: 10px;
}

.contact-cta p {
    color: #64748b;
}

/* 表单 */
.contact-form {
    margin-top: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #1e3a8a;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 14px;
    transition: border-color 0.3s;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1e3a8a;
}

.form-submit {
    margin-top: 25px;
}

.form-privacy {
    margin-top: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #64748b;
}

.form-privacy input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* 右侧联系信息 */
.contact-right {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
    text-align: center;
}

.contact-featured {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
}

.contact-icon-large {
    font-size: 48px;
    margin-bottom: 15px;
}

.contact-featured h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.contact-phone-large {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: #fbbf24;
    margin-bottom: 10px;
    text-decoration: none;
}

.contact-featured p {
    opacity: 0.9;
}

.contact-grid-small {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.contact-card-item h3 {
    font-size: 16px;
    color: #1e3a8a;
    margin-bottom: 10px;
}

.contact-icon {
    font-size: 32px;
    margin-bottom: 10px;
}

.contact-card-item p {
    color: #64748b;
    font-size: 14px;
}

/* 页脚 */
.footer {
    background: #0f172a;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #fbbf24;
}

.footer-section h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: #fbbf24;
}

.footer-section p {
    color: #94a3b8;
    line-height: 1.8;
    margin-bottom: 15px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul a:hover {
    color: #fbbf24;
}

.footer-section .qrcode img {
    width: 150px;
    height: 150px;
    border-radius: 8px;
    background: white;
    padding: 5px;
}

.footer-mobile-contact {
    display: none;
    text-align: left;
    padding: 15px 0;
    color: #ffffff;
    font-size: 16px;
    font-weight: bold;
    border-top: 1px solid #334155;
    margin-top: 20px;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: #64748b;
    font-size: 14px;
}

/* 悬浮按钮 */
.floating-cta {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
}

.cta-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    transition: all 0.3s;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.cta-phone {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
    font-size: 24px;
}

.cta-phone:hover {
    transform: scale(1.1);
}

.cta-form {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    font-size: 24px;
}

.cta-form:hover {
    transform: scale(1.1);
}

.cta-btn span:last-child {
    display: none;
}

/* 页面标题 */
.page-header {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 42px;
    margin-bottom: 10px;
}

.page-header p {
    font-size: 18px;
    opacity: 0.9;
}

/* 产品分类 */
.products-categories {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    padding: 20px 0;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 25px;
    border: 2px solid #e2e8f0;
    background: white;
    border-radius: 25px;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
    color: #475569;
}

.tab-btn:hover {
    border-color: #1e3a8a;
    color: #1e3a8a;
}

.tab-btn.active {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    border-color: #1e3a8a;
    color: white;
}

/* 产品列表 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.product-card-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    transition: all 0.3s;
}

.product-card-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.2);
}

.product-card-item .product-image {
    height: 200px;
}

.product-card-item .product-info {
    padding: 20px;
}

.product-card-item .product-info h3 {
    font-size: 16px;
}

.product-card-item .product-desc {
    font-size: 13px;
}

/* 询价提示 */
.inquiry-cta {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
    text-align: center;
    padding: 60px 0;
}

.inquiry-box h3 {
    font-size: 32px;
    margin-bottom: 15px;
}

.inquiry-box p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.section-footer {
    text-align: center;
    margin-top: 40px;
}

/* 加载更多按钮 */
.load-more-wrapper {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.load-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 40px;
    background: white;
    border: 2px solid #1e3a8a;
    border-radius: 50px;
    color: #1e3a8a;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.load-more-btn:hover {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.3);
}

.load-more-btn:disabled {
    background: #e2e8f0;
    border-color: #e2e8f0;
    color: #94a3b8;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.load-more-count {
    background: #f1f5f9;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 13px;
    color: #64748b;
}

.load-more-btn:hover .load-more-count {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* 关于我们 */
.about-hero {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
    background-image: url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?w=1920&q=80');
    background-size: cover;
    background-position: center;
    position: relative;
}

.about-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(30, 58, 138, 0.9);
}

.about-hero .container {
    position: relative;
    z-index: 1;
}

.about-hero h1 {
    font-size: 48px;
    margin-bottom: 15px;
}

.about-hero p {
    font-size: 18px;
    opacity: 0.95;
}

.about-section {
    padding: 80px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content h2 {
    font-size: 32px;
    color: #1e3a8a;
    margin-bottom: 20px;
}

.about-content p {
    color: #475569;
    line-height: 1.8;
    margin-bottom: 15px;
}

.about-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(30, 58, 138, 0.2);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* 企业文化 */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.culture-card {
    background: white;
    padding: 35px 25px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
    transition: all 0.3s;
}

.culture-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.15);
}

.culture-icon {
    font-size: 50px;
    margin-bottom: 20px;
}

.culture-card h3 {
    font-size: 18px;
    color: #1e3a8a;
    margin-bottom: 10px;
}

.culture-card p {
    color: #64748b;
    font-size: 14px;
    line-height: 1.6;
}

/* 发展历程 */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, #1e3a8a, #1e40af);
}

.timeline-item {
    position: relative;
    padding-left: 40px;
    padding-bottom: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -34px;
    top: 5px;
    width: 16px;
    height: 16px;
    background: #1e3a8a;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 3px #1e3a8a;
}

.timeline-year {
    font-size: 24px;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 5px;
}

.timeline-content h4 {
    font-size: 18px;
    color: #1e3a8a;
    margin-bottom: 5px;
}

.timeline-content p {
    color: #64748b;
    line-height: 1.6;
}

/* 合作伙伴 */
.partners {
    padding: 60px 0;
    background: white;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 40px;
    align-items: center;
}

.partner-logo {
    text-align: center;
    padding: 20px;
    background: #f8fafc;
    border-radius: 10px;
    font-size: 24px;
    font-weight: 600;
    color: #94a3b8;
    transition: all 0.3s;
}

.partner-logo:hover {
    background: #1e3a8a;
    color: white;
    transform: translateY(-3px);
}

/* 联系页面 */
.contact-hero {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.contact-hero h1 {
    font-size: 42px;
    margin-bottom: 10px;
}

.contact-hero p {
    font-size: 18px;
    opacity: 0.9;
}

.contact-main {
    padding: 80px 0;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.contact-info-card {
    background: white;
    padding: 35px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
    transition: all 0.3s;
}

.contact-info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.15);
}

.contact-info-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.contact-info-card h3 {
    font-size: 18px;
    color: #1e3a8a;
    margin-bottom: 10px;
}

.contact-info-card p {
    color: #64748b;
    font-size: 14px;
}

.contact-main-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
}

.contact-tips {
    background: #f1f5f9;
    padding: 35px;
    border-radius: 15px;
}

.contact-tips h3 {
    font-size: 20px;
    color: #1e3a8a;
    margin-bottom: 20px;
}

.contact-tips ul {
    list-style: none;
}

.contact-tips li {
    padding: 12px 0;
    border-bottom: 1px solid #e2e8f0;
    color: #475569;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.contact-tips li:last-child {
    border-bottom: none;
}

/* FAQ */
.faq-section {
    margin-top: 60px;
}

.faq-section h3 {
    font-size: 24px;
    color: #1e3a8a;
    margin-bottom: 30px;
    text-align: center;
}

.faq-item {
    background: white;
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.faq-question {
    padding: 20px 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: #1e3a8a;
    transition: background 0.3s;
}

.faq-question:hover {
    background: #f8fafc;
}

.faq-question::after {
    content: '+';
    font-size: 24px;
    transition: transform 0.3s;
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 0 25px 20px;
    color: #475569;
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

/* 返回顶部 */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #1e3a8a;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 4px 15px rgba(30, 58, 138, 0.3);
    transition: all 0.3s;
    z-index: 999;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.4);
}

.back-to-top.show {
    display: flex;
}

/* 移动端底部悬浮咨询按钮 */
.mobile-float-btn {
    display: none;
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) scale(1);
    z-index: 1001;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 50%, #d63031 100%);
    color: white;
    text-decoration: none;
    text-align: center;
    padding: 14px 40px;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 2px;
    border-radius: 50px;
    box-shadow: 0 6px 24px rgba(238, 90, 36, 0.45);
    animation: floatBtnBounce 2.5s ease-in-out infinite;
    transition: transform 0.2s ease;
}

.mobile-float-btn:active {
    transform: translateX(-50%) scale(0.95);
    box-shadow: 0 4px 16px rgba(238, 90, 36, 0.35);
}

@keyframes floatBtnBounce {
    0%, 100% {
        transform: translateX(-50%) scale(1);
        box-shadow: 0 6px 24px rgba(238, 90, 36, 0.45);
    }
    50% {
        transform: translateX(-50%) scale(1.08);
        box-shadow: 0 8px 32px rgba(238, 90, 36, 0.55);
    }
}

@media (max-width: 768px) {
    .mobile-float-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .back-to-top {
        bottom: 85px;
        right: 15px;
    }
}


/* 响应式设计 */
@media (max-width: 1024px) {
    .products-grid,
    .features-grid,
    .quick-nav-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }

    .contact-main-layout {
        grid-template-columns: 1fr;
    }

    .culture-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .company-intro-content {
        padding: 40px 30px;
    }

    .company-intro-title {
        font-size: 28px;
    }

    .company-intro-subtitle {
        font-size: 18px;
    }

    .company-intro-desc {
        font-size: 15px;
    }

    .company-intro-icon {
        width: 80px;
        height: 80px;
        font-size: 40px;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-phone {
        width: 100%;
        justify-content: center;
        margin-top: 15px;
    }

    .hamburger {
        display: flex;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .products-grid,
    .quick-nav-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .process-steps {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
        margin: 20px 0;
    }

    .contact-grid-small {
        grid-template-columns: 1fr;
    }

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

    .hero {
        min-height: 500px;
    }

    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 28px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .footer-section:nth-child(1) {
        grid-column: 1 / -1;
    }

    .footer-mobile-contact {
        display: block;
    }

    .footer-section:last-child {
        display: none;
    }

    .stat-number {
        font-size: 36px;
    }

    .stat-icon {
        font-size: 28px;
    }

    .stat-item {
        padding: 25px 15px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 14px;
    }

    .btn-large {
        padding: 12px 25px;
        font-size: 14px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .stat-number {
        font-size: 28px;
    }

    .stat-icon {
        font-size: 24px;
    }

    .stat-item {
        padding: 15px 10px;
    }

    .stat-label {
        font-size: 12px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .feature-card {
        padding: 20px 15px;
    }

    .feature-number {
        font-size: 40px;
    }

    .feature-icon {
        font-size: 36px;
    }

    .feature-card h3 {
        font-size: 16px;
    }

    .feature-card p {
        font-size: 12px;
    }

    .partners-grid {
        grid-template-columns: 1fr;
    }

    .top-bar .container {
        flex-direction: column;
        gap: 5px;
        text-align: center;
    }
}

/* 快速导航图片占位符 */
.quick-nav-image-placeholder {
    width: 100%;
    height: 150px;
    border-radius: 10px 10px 0 0;
    margin-bottom: 15px;
    background-size: cover;
    background-position: center;
    background-color: #e2e8f0;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    position: relative;
    overflow: hidden;
}

/* 核心优势图片占位符 */
.feature-image-placeholder {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 15px;
    background-size: cover;
    background-position: center;
    background-color: #e2e8f0;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    position: relative;
    overflow: hidden;
    margin: 0 auto 15px;
}

/* 产品图片占位符 */
.product-image-placeholder {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-color: #e2e8f0;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    position: relative;
    overflow: hidden;
    min-height: 220px;
}

/* 产品真实图片 */
.product-img-real {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.product-card-item:hover .product-img-real {
    transform: scale(1.1);
}

/* 展示区图片占位符 */
.showcase-image-placeholder {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-color: #e2e8f0;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    position: relative;
    overflow: hidden;
    min-height: 250px;
}

/* 图库图片占位符 */
.gallery-item-placeholder {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 15px;
    background-size: cover;
    background-position: center;
    background-color: #e2e8f0;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    position: relative;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    overflow: hidden;
}

.gallery-item-placeholder:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.3);
}

/* 占位符文字 */
.placeholder-text {
    color: #94a3b8;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 5px;
    z-index: 1;
    line-height: 1.4;
}

/* 快速导航图片 */
.quick-nav-img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 10px 10px 0 0;
    margin-bottom: 15px;
}

/* 核心优势图片 */
.feature-img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 15px;
}

/* 公司实力展示 */
.showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.showcase-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s;
}

.showcase-item:hover {
    transform: translateY(-5px);
}

.showcase-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.showcase-item:hover img {
    transform: scale(1.1);
}

.showcase-large {
    grid-column: span 2;
    grid-row: span 2;
}

.showcase-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    padding: 30px 20px 20px;
    color: white;
    transition: all 0.3s;
}

.showcase-item:hover .showcase-overlay {
    background: linear-gradient(transparent, rgba(30, 58, 138, 0.9));
}

.showcase-overlay h3 {
    font-size: 18px;
    margin-bottom: 5px;
}

.showcase-overlay p {
    font-size: 14px;
    opacity: 0.9;
}

/* 产品图库 */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.gallery-item {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.gallery-item:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.3);
}

/* 响应式图库 */
@media (max-width: 768px) {
    .showcase-grid {
        grid-template-columns: 1fr;
    }
    
    .showcase-large {
        grid-column: span 1;
        grid-row: span 1;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

/* ========== 联系我们页面新样式 ========== */

/* 核心电话横幅 */
.contact-hero-cta {
    padding: 40px 0;
}

.cta-hero-card {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #2563eb 100%);
    border-radius: 24px;
    padding: 40px 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 20px 60px rgba(30, 58, 138, 0.3);
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-hero-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta-hero-card::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: 10%;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
}

.cta-hero-left {
    display: flex;
    align-items: center;
    gap: 25px;
    position: relative;
    z-index: 1;
}

.cta-hero-icon {
    font-size: 56px;
    animation: ring 2s ease-in-out infinite;
}

@keyframes ring {
    0%, 100% { transform: rotate(0); }
    10%, 30% { transform: rotate(-8deg); }
    20%, 40% { transform: rotate(8deg); }
    50% { transform: rotate(0); }
}

.cta-hero-left h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 6px;
}

.cta-hero-left p {
    font-size: 14px;
    opacity: 0.85;
}

.cta-hero-right {
    display: flex;
    align-items: center;
    gap: 20px;
    position: relative;
    z-index: 1;
}

.cta-hero-phone {
    font-size: 36px;
    font-weight: 700;
    color: #fbbf24;
    text-decoration: none;
    letter-spacing: 2px;
}

.cta-hero-phone:hover {
    text-decoration: none;
}

.btn-cta-call {
    background: #fbbf24;
    color: #1e3a8a;
    font-weight: 700;
    padding: 14px 32px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-cta-call:hover {
    background: #f59e0b;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(251, 191, 36, 0.4);
}

/* 联系方式卡片 */
.cc-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.cc-card {
    background: white;
    border-radius: 20px;
    padding: 35px 25px;
    text-align: center;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 1px solid #f1f5f9;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cc-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(30, 58, 138, 0.15);
    border-color: #bfdbfe;
}

.cc-card-top {
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.cc-icon-wrap {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 34px;
    margin: 0 auto;
}

.cc-icon-phone {
    background: #eff6ff;
}

.cc-icon-wechat {
    background: #f0fdf4;
}

.cc-icon-mobile {
    background: #fefce8;
}

.cc-icon-address {
    background: #fef2f2;
}

.cc-card-badge {
    position: absolute;
    top: -6px;
    right: -20px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: 10px;
}

.cc-card h3 {
    font-size: 18px;
    color: #1e3a8a;
    margin-bottom: 10px;
    font-weight: 600;
}

.cc-card-value {
    font-size: 20px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.cc-card-desc {
    font-size: 13px;
    color: #94a3b8;
    margin-bottom: 20px;
}

.cc-card-btn {
    display: block;
    width: 100%;
    padding: 12px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.cc-btn-blue {
    background: linear-gradient(135deg, #1e3a8a, #1e40af);
    color: white;
}

.cc-btn-blue:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 58, 138, 0.35);
}

.cc-btn-green {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
}

.cc-btn-green:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.35);
}

.cc-btn-gray {
    background: #f1f5f9;
    color: #475569;
}

.cc-btn-gray:hover {
    background: #e2e8f0;
    transform: translateY(-2px);
}

/* 服务承诺 */
.promise-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.promise-item {
    text-align: center;
    padding: 30px 20px;
    border-radius: 16px;
    transition: all 0.3s;
}

.promise-item:hover {
    background: #f8fafc;
    transform: translateY(-5px);
}

.promise-icon {
    font-size: 44px;
    margin-bottom: 18px;
}

.promise-item h3 {
    font-size: 18px;
    color: #1e3a8a;
    margin-bottom: 8px;
    font-weight: 600;
}

.promise-item p {
    color: #64748b;
    font-size: 14px;
}

/* 咨询小贴士 */
.tips-card {
    background: white;
    border-radius: 24px;
    padding: 50px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.06);
}

.tips-header {
    text-align: center;
    margin-bottom: 40px;
}

.tips-header h2 {
    font-size: 26px;
    color: #1e3a8a;
    margin-bottom: 10px;
}

.tips-header p {
    color: #64748b;
    font-size: 15px;
}

.tips-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.tip-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    border-radius: 14px;
    border: 1px solid #f1f5f9;
    transition: all 0.3s;
}

.tip-item:hover {
    border-color: #bfdbfe;
    background: #f8fafc;
}

.tip-num {
    font-size: 32px;
    font-weight: 700;
    color: #e2e8f0;
    line-height: 1;
    flex-shrink: 0;
    min-width: 50px;
}

.tip-text h4 {
    font-size: 16px;
    color: #1e3a8a;
    margin-bottom: 5px;
    font-weight: 600;
}

.tip-text p {
    font-size: 13px;
    color: #94a3b8;
    line-height: 1.6;
}

/* 联系页面响应式 */
@media (max-width: 1024px) {
    .cc-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .promise-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-hero-card {
        padding: 30px 35px;
    }

    .cta-hero-phone {
        font-size: 28px;
    }
}

@media (max-width: 768px) {
    .cta-hero-card {
        flex-direction: column;
        text-align: center;
        gap: 25px;
        padding: 35px 25px;
    }

    .cta-hero-left {
        flex-direction: column;
        text-align: center;
    }

    .cta-hero-right {
        flex-direction: column;
        width: 100%;
    }

    .cta-hero-phone {
        font-size: 32px;
    }

    .btn-cta-call {
        width: 100%;
        justify-content: center;
    }

    .cc-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .cc-card {
        padding: 28px 20px;
    }

    .cc-card-top {
        margin-bottom: 15px;
    }

    .cc-card-value {
        font-size: 18px;
        margin-bottom: 4px;
    }

    .cc-card-desc {
        margin-bottom: 15px;
    }

    .cc-card-btn {
        padding: 10px 20px;
    }

    .promise-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .tips-list {
        grid-template-columns: 1fr;
    }

    .tips-card {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .promise-grid {
        grid-template-columns: 1fr;
    }
}

/* ========== 新闻资讯样式 ========== */

/* 首页新闻卡片 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.news-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.12);
}

.news-card-image {
    position: relative;
    height: 180px;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    display: block;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.news-card-placeholder {
    font-size: 48px;
    color: rgba(255,255,255,0.8);
}

.news-card-category {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: white;
}

.news-card-category.company { background: #ef4444; }
.news-card-category.industry { background: #3b82f6; }
.news-card-category.policy { background: #10b981; }

.news-card-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-card-date {
    font-size: 13px;
    color: #999;
    margin-bottom: 10px;
}

.news-card-title {
    font-size: 16px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 10px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-desc {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.6;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
}

.news-card-more {
    font-size: 14px;
    color: #1e3a8a;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.news-card:hover .news-card-more {
    gap: 10px;
}

/* 新闻列表页样式 */
.news-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.news-tab {
    padding: 10px 24px;
    border: 2px solid #e5e7eb;
    background: white;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.3s;
}

.news-tab:hover {
    border-color: #1e3a8a;
    color: #1e3a8a;
}

.news-tab.active {
    background: #1e3a8a;
    border-color: #1e3a8a;
    color: white;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-item {
    display: flex;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
}

.news-item:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.news-image {
    width: 280px;
    min-height: 200px;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.news-image-placeholder {
    font-size: 48px;
    color: rgba(255,255,255,0.8);
    display: none;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.news-content {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.news-category {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: white;
}

.news-category.company { background: #ef4444; }
.news-category.industry { background: #3b82f6; }
.news-category.policy { background: #10b981; }

.news-date {
    font-size: 13px;
    color: #999;
}

.news-title {
    font-size: 20px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-desc {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.7;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
}

.news-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: #9ca3af;
}

.news-author, .news-views {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
}

.page-btn {
    padding: 10px 16px;
    border: 1px solid #e5e7eb;
    background: white;
    border-radius: 8px;
    font-size: 14px;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.page-btn:hover:not(.disabled):not(.active) {
    border-color: #1e3a8a;
    color: #1e3a8a;
}

.page-btn.active {
    background: #1e3a8a;
    border-color: #1e3a8a;
    color: white;
}

.page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 文章详情页 */
.breadcrumb {
    background: #f9fafb;
    padding: 12px 0;
    font-size: 14px;
}

.breadcrumb a {
    color: #6b7280;
    text-decoration: none;
}

.breadcrumb a:hover {
    color: #1e3a8a;
}

.breadcrumb .separator {
    margin: 0 10px;
    color: #d1d5db;
}

.breadcrumb .current {
    color: #1e3a8a;
    font-weight: 500;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 30px;
}

.article-header {
    margin-bottom: 30px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.article-category {
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: white;
}

.article-category.company { background: #ef4444; }
.article-category.industry { background: #3b82f6; }
.article-category.policy { background: #10b981; }

.article-date, .article-author, .article-views {
    font-size: 14px;
    color: #6b7280;
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-title {
    font-size: 32px;
    font-weight: 700;
    color: #1f2937;
    line-height: 1.4;
}

.article-cover {
    margin-bottom: 30px;
    border-radius: 12px;
    overflow: hidden;
}

.article-cover-placeholder {
    height: 400px;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 48px;
}

.article-cover-placeholder span {
    font-size: 18px;
    margin-top: 16px;
    font-weight: 500;
}

.article-content {
    font-size: 16px;
    line-height: 1.9;
    color: #374151;
}

.article-lead {
    font-size: 18px;
    color: #1f2937;
    padding-bottom: 20px;
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 24px;
}

.article-content h2 {
    font-size: 22px;
    color: #1f2937;
    margin: 32px 0 16px;
    padding-left: 16px;
    border-left: 4px solid #1e3a8a;
}

.article-content p {
    margin-bottom: 16px;
}

.article-content img {
    max-width: 100%;
    height: auto !important;
    display: block;
    margin: 16px 0;
    border-radius: 8px;
}

.article-content blockquote {
    background: #f3f4f6;
    padding: 24px 30px;
    border-radius: 12px;
    margin: 24px 0;
    border-left: 4px solid #1e3a8a;
}

.article-content blockquote p {
    font-size: 18px;
    color: #1f2937;
    font-style: italic;
    margin-bottom: 12px;
}

.article-content blockquote cite {
    font-size: 14px;
    color: #6b7280;
    font-style: normal;
}

.article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    border-top: 1px solid #e5e7eb;
    margin-top: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.article-tags {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.tag-label {
    font-size: 14px;
    color: #6b7280;
}

.article-tag {
    padding: 4px 12px;
    background: #f3f4f6;
    border-radius: 20px;
    font-size: 13px;
    color: #6b7280;
    text-decoration: none;
    transition: all 0.3s;
}

.article-tag:hover {
    background: #1e3a8a;
    color: white;
}

.article-share {
    display: flex;
    align-items: center;
    gap: 10px;
}

.share-label {
    font-size: 14px;
    color: #6b7280;
}

.share-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: #f3f4f6;
    color: #6b7280;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.share-btn:hover {
    background: #1e3a8a;
    color: white;
}

/* 上一篇下一篇 */
.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 32px;
}

.article-nav-prev, .article-nav-next {
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.article-nav-prev:hover, .article-nav-next:hover {
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.article-nav-next {
    text-align: right;
    align-items: flex-end;
}

.article-nav-prev > span:first-child, .article-nav-next > span:first-child {
    font-size: 13px;
    color: #6b7280;
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-nav-prev > a, .article-nav-next > a {
    font-size: 15px;
    font-weight: 600;
    color: #1f2937;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-decoration: none;
}

.article-nav-prev > a:hover, .article-nav-next > a:hover {
    color: #1e3a8a;
}

/* 侧边栏 */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* 文章底部模块（仅移动端显示） */
.article-bottom-widgets {
    margin-top: 40px;
    display: none;
}

.article-bottom-widgets .sidebar-widget {
    margin-bottom: 0;
}

.sidebar-widget {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}

.widget-title {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #1e3a8a;
    display: flex;
    align-items: center;
    gap: 10px;
}

.widget-title i {
    color: #1e3a8a;
}

.related-news {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.related-item {
    display: flex;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
}

.related-item:hover {
    transform: translateX(5px);
}

.related-image {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.related-image-placeholder {
    font-size: 24px;
    color: rgba(255,255,255,0.8);
}

.related-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.related-category {
    font-size: 11px;
    color: #1e3a8a;
    font-weight: 600;
    margin-bottom: 4px;
}

.related-content h4 {
    font-size: 14px;
    font-weight: 600;
    color: #1f2937;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 6px;
}

.related-date {
    font-size: 12px;
    color: #9ca3af;
}

/* 联系侧边栏 */
.contact-widget {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
}

.contact-widget .widget-title {
    color: white;
    border-bottom-color: rgba(255,255,255,0.3);
}

.contact-widget .widget-title i {
    color: #fbbf24;
}

.contact-info {
    text-align: center;
}

.contact-info p {
    font-size: 14px;
    margin-bottom: 8px;
    opacity: 0.9;
}

.contact-phone {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: #fbbf24;
    text-decoration: none;
    margin: 12px 0;
    letter-spacing: 2px;
}

.contact-time {
    font-size: 13px !important;
    margin-bottom: 16px !important;
}

.contact-widget .btn {
    margin-top: 12px;
}

/* 热门产品列表 */
.hot-products-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hot-product-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: #f9fafb;
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
}

.hot-product-item:hover {
    background: #e5e7eb;
}

.hot-rank {
    width: 28px;
    height: 28px;
    background: #1e3a8a;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
}

.hot-product-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.hot-product-name {
    font-size: 14px;
    font-weight: 600;
    color: #1f2937;
}

.hot-product-type {
    font-size: 12px;
    color: #9ca3af;
}

/* 响应式 */
@media (max-width: 1024px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .article-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
    }

    .news-item {
        flex-direction: column;
    }

    .news-image {
        width: 100%;
        min-height: 180px;
    }

    .article-title {
        font-size: 24px;
    }

    .article-meta {
        gap: 12px;
    }

    .article-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .article-nav {
        grid-template-columns: 1fr;
    }

    /* 移动端隐藏侧边栏，显示底部模块 */
    .article-sidebar {
        display: none;
    }

    .article-bottom-widgets {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .news-tabs {
        gap: 8px;
    }

    .news-tab {
        padding: 8px 16px;
        font-size: 13px;
    }

    .article-cover-placeholder {
        height: 250px;
    }

    .article-content {
        font-size: 15px;
    }

    .article-content h2 {
        font-size: 18px;
    }
}