/* 全局变量与重置 */
        .tf-about-page {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
            background-color: #fafdfa;
        }
        
        .tf-about-page * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        .tf-about-page a {
            text-decoration: none;
            color: inherit;
        }
        
        .tf-about-page img {
            max-width: 100%;
            height: auto;
        }
        
        /* 容器样式 */
        .tf-container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .tf-section {
            padding: 100px 0;
        }
        
        .tf-section-small {
            padding: 70px 0;
        }
        
        /* 标题样式 */
        .tf-main-title {
            font-size: 42px;
            color: #1a5c1e;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            text-align: center;
            letter-spacing: -0.5px;
        }
        
        .tf-main-title:after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, #1a5c1e, #4caf50);
            margin: 20px auto 30px;
            border-radius: 2px;
        }
        
        .tf-section-title {
            font-size: 34px;
            color: #1a5c1e;
            font-weight: 700;
            margin-bottom: 30px;
            position: relative;
            letter-spacing: -0.3px;
        }
        
        .tf-section-title:after {
            content: '';
            position: absolute;
            bottom: -12px;
            left: 0;
            width: 60px;
            height: 4px;
            background: #4caf50;
            border-radius: 2px;
        }
        
        .tf-section-title-center {
            text-align: center;
        }
        
        .tf-section-title-center:after {
            left: 50%;
            transform: translateX(-50%);
        }
        
        .tf-subtitle {
            font-size: 19px;
            color: #546e7a;
            text-align: center;
            max-width: 800px;
            margin: 0 auto 60px;
            font-weight: 400;
            line-height: 1.8;
        }
        
        /* 按钮样式 */
        .tf-btn {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 16px;
            text-align: center;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            letter-spacing: 0.3px;
        }
        
        .tf-btn-primary {
            background: linear-gradient(135deg, #1a5c1e, #2e7d32);
            color: white;
            box-shadow: 0 6px 20px rgba(46, 125, 50, 0.25);
        }
        
        .tf-btn-primary:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 25px rgba(46, 125, 50, 0.35);
        }
        
        .tf-btn-secondary {
            background: transparent;
            color: #2e7d32;
            border: 2px solid #2e7d32;
        }
        
        .tf-btn-secondary:hover {
            background: rgba(46, 125, 50, 0.08);
            transform: translateY(-4px);
        }
        
        .tf-btn-accent {
            background: linear-gradient(135deg, #388e3c, #4caf50);
            color: white;
            box-shadow: 0 6px 20px rgba(76, 175, 80, 0.25);
        }
        
        .tf-btn-accent:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 25px rgba(76, 175, 80, 0.35);
        }
        
        /* 英雄区域 */
        .tf-hero-section {
            background: linear-gradient(rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.8)), url('https://www.topfastpcb.com/wp-content/uploads/2025/04/4%E6%9C%8817%E6%97%A51-%E5%B0%81%E9%9D%A2-1.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            color: white;
            padding: 140px 0 100px;
            position: relative;
            overflow: hidden;
        }
        
        .tf-hero-content {
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 2;
        }
        
        .tf-hero-title {
            font-size: 52px;
            font-weight: 800;
            margin-bottom: 25px;
            color: white;
            line-height: 1.2;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }
        
        .tf-hero-title span {
            color: #4caf50;
            position: relative;
        }
        
        .tf-hero-title span:after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, #4caf50, transparent);
            border-radius: 2px;
        }
        
        .tf-hero-subtitle {
            font-size: 22px;
            margin-bottom: 35px;
            opacity: 0.9;
            font-weight: 300;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .tf-hero-stats {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 30px;
            margin-top: 70px;
        }
        
        .tf-hero-stat {
            text-align: center;
            padding: 25px 20px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 10px;
            min-width: 170px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: transform 0.3s ease;
        }
        
        .tf-hero-stat:hover {
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.15);
        }
        
        /* 滚动数字样式 */
        .tf-counter-value {
            font-size: 42px;
            font-weight: 700;
            color: #4caf50;
            margin-bottom: 8px;
            font-family: 'Arial', sans-serif;
            display: inline-block;
            min-width: 80px;
        }
        
        .tf-counter-suffix {
            font-size: 42px;
            font-weight: 700;
            color: #4caf50;
        }
        
        .tf-hero-stat-label {
            font-size: 16px;
            opacity: 0.9;
            font-weight: 500;
        }
        
        /* 公司简介 */
        .tf-about-section {
            background-color: white;
            position: relative;
            overflow: hidden;
        }
        
        .tf-about-content {
            display: flex;
            align-items: center;
            gap: 60px;
        }
        
        .tf-about-video {
            flex: 1;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
            position: relative;
            transform: perspective(1000px) rotateY(-5deg);
            transition: transform 0.5s ease;
        }
        
        .tf-about-video:hover {
            transform: perspective(1000px) rotateY(0deg);
        }
        
        .tf-video-container {
            position: relative;
            width: 100%;
            padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
            height: 0;
        }
        
        .tf-video-cover {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('https://www.topfastpcb.com/wp-content/uploads/2025/04/4%E6%9C%8817%E6%97%A51-%E5%B0%81%E9%9D%A2-1.jpg');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }
        
        .tf-play-btn {
            width: 90px;
            height: 90px;
            background: rgba(46, 125, 50, 0.95);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 36px;
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        
        .tf-play-btn:hover {
            background: rgba(46, 125, 50, 1);
            transform: scale(1.1);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
        }
        
        .tf-about-text {
            flex: 1;
        }
        
        .tf-about-text p {
            margin-bottom: 25px;
            font-size: 18px;
            color: #444;
            line-height: 1.8;
        }
        
        .tf-about-highlight {
            background: linear-gradient(135deg, rgba(46, 125, 50, 0.08), rgba(76, 175, 80, 0.03));
            border-left: 5px solid #2e7d32;
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 10px 10px 0;
            position: relative;
        }
        
        .tf-about-highlight:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%232e7d32' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
            opacity: 0.3;
        }
        
        /* 新增：国际信任指标模块 */
        .tf-trust-section {
            background: linear-gradient(135deg, #f1f8f1 0%, #e8f5e9 100%);
            position: relative;
            overflow: hidden;
        }
        
        .tf-trust-section:before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(76, 175, 80, 0.08) 0%, transparent 70%);
        }
        
        .tf-trust-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .tf-trust-card {
            background: white;
            border-radius: 12px;
            padding: 40px 30px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
            transition: all 0.4s ease;
            border-top: 4px solid transparent;
            position: relative;
            overflow: hidden;
        }
        
        .tf-trust-card:nth-child(1) {
            border-top-color: #1a5c1e;
        }
        
        .tf-trust-card:nth-child(2) {
            border-top-color: #2e7d32;
        }
        
        .tf-trust-card:nth-child(3) {
            border-top-color: #388e3c;
        }
        
        .tf-trust-card:nth-child(4) {
            border-top-color: #4caf50;
        }
        
        .tf-trust-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(46, 125, 50, 0.12);
        }
        
        .tf-trust-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            font-size: 32px;
            color: #1a5c1e;
        }
        
        .tf-trust-title {
            font-size: 22px;
            font-weight: 700;
            color: #1a5c1e;
            margin-bottom: 15px;
        }
        
        .tf-trust-desc {
            color: #546e7a;
            line-height: 1.7;
        }
        
        /* 合并：专业领域和产品展示模块 */
        .tf-expertise-products-section {
            background: linear-gradient(135deg, #1a5c1e 0%, #2e7d32 100%);
            color: white;
            position: relative;
            overflow: hidden;
        }
        
        .tf-expertise-products-section:before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
        }
        
        .tf-expertise-products-section .tf-section-title {
            color: white;
        }
        
        .tf-expertise-products-section .tf-section-title:after {
            background: #a5d6a7;
        }
        
        .tf-expertise-products-container {
            display: flex;
            gap: 60px;
            align-items: flex-start;
        }
        
        .tf-expertise-side {
            flex: 1;
        }
        
        .tf-expertise-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 40px;
        }
        
        .tf-expertise-tag {
            background: rgba(255, 255, 255, 0.1);
            color: white;
            padding: 12px 24px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 16px;
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(5px);
            cursor: pointer;
        }
        
        .tf-expertise-tag:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .tf-products-side {
            flex: 1;
        }
        
        .tf-products-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 25px;
            margin-top: 40px;
        }
        
        .tf-product-card {
            border-radius: 12px;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.4s ease;
            position: relative;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .tf-product-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
            background: rgba(255, 255, 255, 0.15);
        }
        
        .tf-product-image {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
            transition: transform 0.5s ease;
        }
        
        .tf-product-card:hover .tf-product-image {
            transform: scale(1.05);
        }
        
        .tf-product-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(26, 92, 30, 0.95), transparent);
            padding: 20px;
            color: white;
        }
        
        .tf-product-title {
            font-size: 18px;
            font-weight: 700;
            color: white;
            margin: 0;
        }
        
        /* 客户展示 */
        .tf-clients-section {
            background-color: #f9fdf9;
            position: relative;
        }
        
        .tf-clients-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .tf-client-item {
            background: white;
            border-radius: 10px;
            padding: 30px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
            transition: all 0.4s ease;
            height: 130px;
            position: relative;
            overflow: hidden;
        }
        
        .tf-client-item:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, #1a5c1e, #4caf50);
            transform: scaleX(0);
            transition: transform 0.4s ease;
        }
        
        .tf-client-item:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(46, 125, 50, 0.12);
        }
        
        .tf-client-item:hover:before {
            transform: scaleX(1);
        }
        
        .tf-client-logo {
            max-width: 80%;
            max-height: 60px;
            filter: grayscale(100%);
            opacity: 0.7;
            transition: all 0.4s ease;
        }
        
        .tf-client-item:hover .tf-client-logo {
            filter: grayscale(0%);
            opacity: 1;
        }
        
        /* 新增：质量控制流程模块 */
        .tf-quality-section {
            background: white;
            position: relative;
        }
        
        .tf-quality-steps {
            display: flex;
            flex-direction: column;
            gap: 40px;
            margin-top: 50px;
            position: relative;
        }
        
        .tf-quality-steps:before {
            content: '';
            position: absolute;
            top: 0;
            left: 30px;
            height: 100%;
            width: 3px;
            background: linear-gradient(to bottom, #1a5c1e, #4caf50);
            border-radius: 2px;
        }
        
        .tf-quality-step {
            display: flex;
            gap: 30px;
            align-items: flex-start;
            position: relative;
        }
        
        .tf-step-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #1a5c1e, #2e7d32);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
            flex-shrink: 0;
            z-index: 2;
            box-shadow: 0 8px 20px rgba(46, 125, 50, 0.3);
        }
        
        .tf-step-content {
            flex: 1;
            background: #f9fdf9;
            padding: 25px 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease;
        }
        
        .tf-quality-step:hover .tf-step-content {
            transform: translateX(10px);
        }
        
        .tf-step-title {
            font-size: 22px;
            font-weight: 700;
            color: #1a5c1e;
            margin-bottom: 10px;
        }
        
        .tf-step-desc {
            color: #546e7a;
            line-height: 1.7;
        }
        
        /* 认证部分 */
        .tf-certifications-section {
            background-color: white;
            position: relative;
        }
        
        .tf-certifications-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 35px;
            margin-top: 50px;
        }
        
        .tf-certification-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
            transition: all 0.4s ease;
            text-align: center;
            padding: 40px 25px;
            border: 1px solid #e8f5e9;
        }
        
        .tf-certification-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(46, 125, 50, 0.12);
            border-color: #4caf50;
        }
        
        .tf-certification-img {
            height: 130px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
        }
        
        .tf-certification-img img {
            max-height: 100%;
            max-width: 100%;
            object-fit: contain;
        }
        
        .tf-certification-name {
            font-size: 18px;
            font-weight: 700;
            color: #1a5c1e;
            margin-bottom: 15px;
        }
        
        .tf-certification-code {
            font-size: 16px;
            color: #4caf50;
            font-weight: 700;
            background: #e8f5e9;
            display: inline-block;
            padding: 8px 20px;
            border-radius: 25px;
        }
        
        /* FAQ部分 */
        .tf-faq-section {
            background: linear-gradient(135deg, #f9fdf9 0%, #f1f8f1 100%);
            position: relative;
        }
        
        .tf-faq-container {
            max-width: 1000px;
            margin: 0 auto;
        }
        
        .tf-faq-item {
            border-bottom: 1px solid #d4e8d4;
            padding: 25px 0;
        }
        
        .tf-faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            padding-right: 20px;
        }
        
        .tf-faq-question h3 {
            font-size: 20px;
            font-weight: 700;
            color: #1a5c1e;
            flex: 1;
        }
        
        .tf-faq-icon {
            color: #2e7d32;
            font-size: 26px;
            font-weight: 300;
            transition: transform 0.3s ease;
        }
        
        .tf-faq-item.active .tf-faq-icon {
            transform: rotate(45deg);
            color: #1a5c1e;
        }
        
        .tf-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease;
            color: #555;
            line-height: 1.8;
        }
        
        .tf-faq-item.active .tf-faq-answer {
            max-height: 800px;
            padding-top: 20px;
        }
        
        /* CTA区域 */
        .tf-cta-section {
            background: linear-gradient(135deg, #1a5c1e, #2e7d32);
            color: white;
            text-align: center;
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        
        .tf-cta-section:before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
            background-size: 50px 50px;
            opacity: 0.3;
            animation: moveBackground 20s linear infinite;
        }
        
        @keyframes moveBackground {
            0% { transform: translate(0, 0); }
            100% { transform: translate(50px, 50px); }
        }
        
        .tf-cta-title {
            font-size: 42px;
            font-weight: 800;
            color: white;
            margin-bottom: 25px;
            position: relative;
            z-index: 2;
        }
        
        .tf-cta-text {
            font-size: 20px;
            max-width: 800px;
            margin: 0 auto 40px;
            opacity: 0.9;
            position: relative;
            z-index: 2;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .tf-about-content, .tf-expertise-products-container {
                flex-direction: column;
            }
            
            .tf-hero-title {
                font-size: 46px;
            }
            
            .tf-main-title {
                font-size: 38px;
            }
            
            .tf-section-title {
                font-size: 32px;
            }
            
            .tf-clients-grid {
                grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            }
            
            .tf-quality-steps:before {
                left: 25px;
            }
            
            .tf-products-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .tf-section {
                padding: 80px 0;
            }
            
            .tf-section-small {
                padding: 60px 0;
            }
            
            .tf-hero-section {
                padding: 100px 0 70px;
                background-attachment: scroll;
            }
            
            .tf-hero-title {
                font-size: 38px;
            }
            
            .tf-hero-subtitle {
                font-size: 20px;
            }
            
            .tf-main-title {
                font-size: 34px;
            }
            
            .tf-hero-stats {
                gap: 20px;
            }
            
            .tf-hero-stat {
                min-width: 140px;
                padding: 20px 15px;
            }
            
            .tf-counter-value, .tf-counter-suffix {
                font-size: 36px;
            }
            
            .tf-cta-title {
                font-size: 36px;
            }
            
            .tf-products-grid {
                grid-template-columns: 1fr;
            }
            
            .tf-clients-grid {
                grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
                gap: 25px;
            }
            
            .tf-trust-grid {
                grid-template-columns: 1fr;
            }
            
            .tf-quality-steps:before {
                left: 20px;
            }
            
            .tf-step-icon {
                width: 50px;
                height: 50px;
                font-size: 20px;
            }
        }
        
        @media (max-width: 576px) {
            .tf-hero-title {
                font-size: 32px;
            }
            
            .tf-main-title {
                font-size: 30px;
            }
            
            .tf-btn {
                padding: 12px 24px;
                font-size: 15px;
            }
            
            .tf-hero-stats {
                flex-direction: column;
                align-items: center;
            }
            
            .tf-hero-stat {
                width: 80%;
                max-width: 250px;
            }
            
            .tf-certifications-grid {
                grid-template-columns: 1fr;
            }
            
            .tf-clients-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .tf-about-video {
                transform: none;
            }
            
            .tf-quality-steps:before {
                display: none;
            }
            
            .tf-counter-value, .tf-counter-suffix {
                font-size: 32px;
            }
        }
        
        
/* 现代风格联系页面 */
.tf-contact-modern {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: #333;
    line-height: 1.6;
    background: linear-gradient(135deg, #f8fbf8 0%, #f0f7f0 100%);
    min-height: 100vh;
}

/* 英雄区域 */
.tf-contact-hero {
    background: linear-gradient(rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.8)), url('https://www.topfastpcb.com/wp-content/uploads/2025/04/4%E6%9C%8817%E6%97%A51-%E5%B0%81%E9%9D%A2-1.jpg');
    color: white;
    padding: 80px 0 60px;
    position: relative;
    overflow: hidden;
}

.tf-contact-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.tf-hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.tf-hero-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.tf-hero-subtitle {
    font-size: 20px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 40px;
    font-weight: 400;
}

.tf-hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 50px;
}

.tf-hero-stat {
    text-align: center;
}

.tf-stat-number {
    font-size: 42px;
    font-weight: 800;
    color: #4caf50;
    margin-bottom: 8px;
    font-family: 'Arial', sans-serif;
}

.tf-stat-label {
    font-size: 16px;
    opacity: 0.9;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* 主内容区域 */
.tf-contact-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px;
}

/* 上半部分网格布局 */
.tf-contact-upper-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
    align-items: start;
}

/* 下半部分网格布局 */
.tf-contact-lower-grid {
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

/* 询盘表单样式 */
.tf-inquiry-form {
    padding: 40px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(46, 125, 50, 0.08);
}

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

.tf-form-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a5c1e;
    margin: 0 0 10px 0;
}

.tf-form-subtitle {
    color: #546e7a;
    font-size: 16px;
    margin: 0;
}

.tf-form-wrapper {
    margin-bottom: 30px;
}

.tf-form-note {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: #f1f8e9;
    border-radius: 12px;
    border-left: 4px solid #4caf50;
}

.tf-note-icon {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tf-note-icon svg {
    width: 24px;
    height: 24px;
}

.tf-form-note p {
    color: #455a64;
    font-size: 15px;
    margin: 0;
    line-height: 1.6;
}

/* 联系方法 */
.tf-contact-methods {
    padding: 40px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(46, 125, 50, 0.08);
}

.tf-section-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a5c1e;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
}

.tf-section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #4caf50, #a5d6a7);
    border-radius: 2px;
}

.tf-contact-method {
    display: flex;
    gap: 25px;
    padding: 25px 0;
    border-bottom: 1px solid #e8f5e9;
}

.tf-contact-method:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.tf-contact-method:first-child {
    padding-top: 0;
}

.tf-method-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tf-method-icon svg {
    width: 28px;
    height: 28px;
}

.tf-method-content {
    flex: 1;
}

.tf-method-title {
    font-size: 20px;
    font-weight: 600;
    color: #1a5c1e;
    margin: 0 0 8px 0;
}

.tf-method-link {
    display: inline-block;
    font-size: 18px;
    font-weight: 600;
    color: #2e7d32;
    text-decoration: none;
    margin-bottom: 8px;
    transition: color 0.3s ease;
}

.tf-method-link:hover {
    color: #1a5c1e;
    text-decoration: underline;
}

.tf-method-text {
    color: #455a64;
    font-size: 16px;
    margin: 5px 0;
    line-height: 1.5;
}

.tf-method-desc {
    color: #78909c;
    font-size: 14px;
    margin: 8px 0 0 0;
    font-style: italic;
}

/* Why Topfast 区域 */
.tf-why-topfast {
    padding: 40px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(46, 125, 50, 0.08);
}

.tf-why-intro {
    color: #455a64;
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 40px;
}

.tf-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.tf-feature {
    padding: 25px;
    background: #f9fdf9;
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.tf-feature:hover {
    transform: translateY(-5px);
    border-color: #c8e6c9;
    box-shadow: 0 8px 25px rgba(46, 125, 50, 0.1);
}

.tf-feature-icon {
    width: 50px;
    height: 50px;
    background: #e8f5e9;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.tf-feature-icon svg {
    width: 28px;
    height: 28px;
}

.tf-feature-title {
    font-size: 18px;
    font-weight: 600;
    color: #1a5c1e;
    margin: 0 0 10px 0;
}

.tf-feature-desc {
    color: #546e7a;
    font-size: 15px;
    line-height: 1.5;
    margin: 0;
}

/* 能力展示 */
.tf-capabilities-showcase {
    padding: 30px;
    background: linear-gradient(135deg, #1a5c1e, #2e7d32);
    border-radius: 20px;
    color: white;
    position: relative;
    overflow: hidden;
}

.tf-capabilities-showcase::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
}

.tf-capabilities-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 25px;
    position: relative;
    z-index: 2;
}

.tf-capabilities-title {
    font-size: 24px;
    font-weight: 600;
    margin: 0;
}

.tf-capabilities-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tf-capabilities-icon svg {
    width: 24px;
    height: 24px;
}

.tf-capabilities-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    position: relative;
    z-index: 2;
}

.tf-capability-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
}

.tf-capability-item:last-child {
    border-bottom: none;
}

.tf-capability-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.tf-capability-name {
    font-size: 16px;
    font-weight: 500;
    color: #e8f5e9;
    transition: color 0.3s ease;
}

.tf-capability-name:hover {
    color: white;
}

.tf-capability-separator {
    color: #a5d6a7;
    opacity: 0.5;
    margin: 0 5px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .tf-contact-upper-grid,
    .tf-contact-lower-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .tf-hero-title {
        font-size: 42px;
    }
    
    .tf-hero-stats {
        gap: 30px;
    }
    
    .tf-features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .tf-contact-main {
        padding: 60px 20px;
    }
    
    .tf-contact-hero {
        padding: 60px 0 40px;
    }
    
    .tf-hero-title {
        font-size: 36px;
    }
    
    .tf-hero-subtitle {
        font-size: 18px;
    }
    
    .tf-hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .tf-stat-number {
        font-size: 36px;
    }
    
    .tf-section-title {
        font-size: 28px;
    }
    
    .tf-inquiry-form,
    .tf-contact-methods,
    .tf-why-topfast,
    .tf-capabilities-showcase {
        padding: 30px 25px;
    }
    
    .tf-contact-method {
        flex-direction: column;
        gap: 20px;
    }
    
    .tf-method-icon {
        width: 50px;
        height: 50px;
    }
    
    .tf-method-icon svg {
        width: 24px;
        height: 24px;
    }
    
    .tf-feature-icon {
        width: 45px;
        height: 45px;
    }
    
    .tf-feature-icon svg {
        width: 24px;
        height: 24px;
    }
    
    .tf-form-title {
        font-size: 28px;
    }
    
    .tf-capabilities-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .tf-capabilities-icon {
        align-self: flex-start;
    }
}

@media (max-width: 576px) {
    .tf-hero-title {
        font-size: 32px;
    }
    
    .tf-contact-hero {
        padding: 50px 0 30px;
    }
    
    .tf-contact-main {
        padding: 40px 15px;
    }
    
    .tf-section-title {
        font-size: 24px;
    }
    
    .tf-inquiry-form,
    .tf-contact-methods,
    .tf-why-topfast,
    .tf-capabilities-showcase {
        padding: 25px 20px;
    }
    
    .tf-features-grid {
        gap: 20px;
    }
    
    .tf-feature {
        padding: 20px;
    }
    
    .tf-capability-item {
        gap: 8px;
    }
    
    .tf-capability-name {
        font-size: 14px;
    }
}       


        /* 重置和基础样式 - 避免冲突 */
        .tf-products-reset {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        /* 主容器 */
        .tf-products-wrapper {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: #222;
            background-color: #fafafa;
        }
        
        .tf-products-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 面包屑导航 */
        .tf-products-breadcrumb {
            background: linear-gradient(90deg, #f8f9fa 0%, #ffffff 100%);
            padding: 18px 0;
            border-bottom: 1px solid rgba(58, 125, 68, 0.1);
            position: relative;
            z-index: 10;
        }
        
        .tf-products-breadcrumb-content {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .tf-products-breadcrumb-item {
            font-size: 14px;
            color: #666;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .tf-products-breadcrumb-item:not(:last-child)::after {
            content: "›";
            color: #aaa;
            font-size: 16px;
        }
        
        .tf-products-breadcrumb-link {
            transition: all 0.3s ease;
            color: #666;
        }
        
        .tf-products-breadcrumb-link:hover {
            color: #3a7d44;
            transform: translateY(-1px);
        }
        
        .tf-products-breadcrumb-current {
            color: #3a7d44;
            font-weight: 600;
        }
        
        /* Banner区域 - 科技感设计 */
        .tf-products-hero {
            position: relative;
            height: 480px;
            overflow: hidden;
            background: linear-gradient(135deg, #0a1f1a 0%, #1a3a2e 50%, #2a5d44 100%);
            box-shadow: 0 15px 50px rgba(0, 0, 0, 0.25);
        }

        .tf-products-hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(rgb(13 14 14 / 80%), rgb(0 0 0 / 90%)), #bdc4cb url(https://www.topfastpcb.com/wp-content/uploads/2025/04/cropped-list-banner.jpg);
            background-attachment: scroll;
            background-position: top center;
            background-repeat: no-repeat;
            background-size: cover;
            z-index: 1;
        }

        .tf-products-hero-content {
            position: relative;
            z-index: 2;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            padding: 0 30px;
        }

        .tf-products-hero-title {
            font-size: 3rem;
            font-weight: 800;
            color: white;
            margin-bottom: 20px;
            text-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
            letter-spacing: 1px;
            position: relative;
            display: inline-block;
        }

        .tf-products-hero-title span {
            color: #6eff87;
            position: relative;
            background: linear-gradient(90deg, #4caf50, #8bc34a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .tf-products-hero-title span::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, #4caf50, #8bc34a);
            border-radius: 2px;
            filter: drop-shadow(0 0 8px rgba(76, 175, 80, 0.6));
        }

        .tf-products-hero-subtitle {
            font-size: 1.8rem;
            color: #e0ffe7;
            font-weight: 300;
            margin-bottom: 40px;
            line-height: 1.4;
            opacity: 0.9;
        }

        .tf-products-hero-stats {
            display: flex;
            gap: 50px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .tf-products-hero-stat {
            text-align: center;
            position: relative;
            padding: 15px 25px;
            min-width: 140px;
        }

        .tf-products-hero-stat::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            backdrop-filter: blur(5px);
            z-index: -1;
            border: 1px solid rgba(110, 255, 135, 0.1);
        }

        .tf-products-hero-stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: #6eff87;
            display: block;
            margin-bottom: 5px;
            text-shadow: 0 0 10px rgba(110, 255, 135, 0.4);
            line-height: 1;
        }

        .tf-products-hero-stat-text {
            color: #c8e6c9;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            font-weight: 500;
            line-height: 1.3;
        }
        
        /* 产品网格 - 层次感设计 */
        .tf-products-section {
            position: relative;
            padding:30px 0;
        }
        
        .tf-products-section::before {
            content: '';
            position: absolute;
            top: -30px;
            left: 50%;
            transform: translateX(-50%);
            width: 80%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(58, 125, 68, 0.3), transparent);
        }
        
        .tf-products-section-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: #1a3a2e;
            margin-bottom: 50px;
            text-align: center;
            position: relative;
            padding-bottom: 20px;
        }
        
        .tf-products-section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 5px;
            background: linear-gradient(90deg, #3a7d44, #8bc34a);
            border-radius: 3px;
            box-shadow: 0 3px 10px rgba(58, 125, 68, 0.3);
        }
        
        .tf-products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 30px;
        }
        
        .tf-products-card {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            border: 1px solid #f0f0f0;
            z-index: 1;
        }
        
        .tf-products-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(58, 125, 68, 0.05) 0%, transparent 50%);
            opacity: 0;
            transition: opacity 0.4s;
            z-index: -1;
        }
        
        .tf-products-card:hover {
            transform: translateY(-15px) scale(1.02);
            box-shadow: 0 20px 50px rgba(58, 125, 68, 0.2);
            border-color: #4caf50;
        }
        
        .tf-products-card:hover::before {
            opacity: 1;
        }
        
        .tf-products-card-image {
            height: 220px;
            overflow: hidden;
            position: relative;
        }
        
        .tf-products-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.8s;
        }
        
        .tf-products-card:hover .tf-products-card-image img {
            transform: scale(1.1);
        }
        
        .tf-products-card-image-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to bottom, transparent 60%, rgba(0, 0, 0, 0.7));
            opacity: 0;
            transition: opacity 0.4s;
            display: flex;
            justify-content: center;
            align-items: flex-end;
            padding-bottom: 25px;
        }
        
        .tf-products-card:hover .tf-products-card-image-overlay {
            opacity: 1;
        }
        
        .tf-products-card-btn {
            background: linear-gradient(90deg, #3a7d44, #4caf50);
            color: white;
            padding: 10px 25px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            transform: translateY(20px);
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            box-shadow: 0 5px 15px rgba(58, 125, 68, 0.3);
        }
        
        .tf-products-card:hover .tf-products-card-btn {
            transform: translateY(0);
            color: white;
        }
        
        .tf-products-card-content {
            padding: 25px;
            position: relative;
        }
        
        .tf-products-card-category {
            display: inline-block;
            background: linear-gradient(90deg, #e8f5e9, #c8e6c9);
            color: #2a5d30;
            font-size: 0.8rem;
            padding: 5px 15px;
            border-radius: 50px;
            margin-bottom: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            border: 1px solid rgba(58, 125, 68, 0.2);
        }
        
        .tf-products-card-title {
            font-size: 1.35rem;
            font-weight: 700;
            color: #1a3a2e;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        
        .tf-products-card-desc {
            color: #555;
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 20px;
        }
        
        .tf-products-card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid #f0f0f0;
            padding-top: 15px;
        }
        
        .tf-products-card-price {
            font-size: 1.2rem;
            font-weight: 800;
            color: #3a7d44;
            background: linear-gradient(90deg, #3a7d44, #4caf50);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .tf-products-card-tag {
            background: #f5f5f5;
            color: #666;
            font-size: 0.8rem;
            padding: 5px 12px;
            border-radius: 50px;
            font-weight: 500;
        }
        
        /* ===== 重点模块：我们的产品系列 ===== */
        .tf-products-product-series {
            background: linear-gradient(135deg, #ffffff 0%, #f8fff9 100%);
            position: relative;
            padding:30px 0;
            overflow: hidden;
            border: 1px solid rgba(58, 125, 68, 0.1);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.05);
        }
        
        .tf-products-product-series::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
        }
        
        .tf-products-product-series::after {
            content: '';
            position: absolute;
            top: 50%;
            right: -100px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(58, 125, 68, 0.05) 0%, transparent 70%);
            z-index: 0;
        }
        
        .tf-products-series-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 35px;
            position: relative;
            z-index: 1;
        }
        
        .tf-products-series-item {
            background: white;
            padding: 35px 30px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
            transition: all 0.4s;
            position: relative;
            overflow: hidden;
        }
        
        .tf-products-series-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(76, 175, 80, 0.03) 0%, transparent 50%);
            z-index: -1;
        }
        
        .tf-products-series-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(58, 125, 68, 0.15);
        }
        
        .tf-products-series-icon {
            font-size: 2.8rem;
            color: #3a7d44;
            margin-bottom: 25px;
            width: 70px;
            height: 70px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
            border-radius: 50%;
            box-shadow: 0 8px 20px rgba(58, 125, 68, 0.15);
        }
        
        .tf-products-series-item h3 {
            font-size: 1.5rem;
            color: #1a3a2e;
            margin-bottom: 20px;
            font-weight: 700;
        }
        
        .tf-products-series-features {
            list-style: none;
            margin-top: 20px;
        }
        
        .tf-products-series-features li {
            padding: 8px 0;
            color: #555;
            position: relative;
            padding-left: 25px;
        }
        
        .tf-products-series-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: #4caf50;
            font-weight: bold;
        }
        
        /* ===== 重点模块：我们的制造能力 ===== */
        .tf-products-manufacturing {
            background: linear-gradient(135deg, #1a3a2e 0%, #2a5d44 100%);
            color: white;
            position: relative;
            padding:30px 0;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
        }
        
        .tf-products-manufacturing::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="none"/><path d="M0,50 L100,50 M50,0 L50,100" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></svg>');
            z-index: 0;
        }
        
        .tf-products-manufacturing .tf-products-section-title {
            color: white;
        }
        
        .tf-products-manufacturing .tf-products-section-title::after {
            background: linear-gradient(90deg, #6eff87, #4caf50);
        }
        
        .tf-products-capabilities-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            position: relative;
            z-index: 1;
        }
        
        .tf-products-capability-card {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 35px 30px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.4s;
            position: relative;
            overflow: hidden;
        }
        
        .tf-products-capability-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
        }
        
        .tf-products-capability-card:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
        }
        
        .tf-products-capability-icon {
            font-size: 2.5rem;
            color: #6eff87;
            margin-bottom: 25px;
            text-shadow: 0 0 15px rgba(110, 255, 135, 0.4);
        }
        
        .tf-products-capability-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: #e0ffe7;
        }
        
        .tf-products-capability-card p {
            color: #c8e6c9;
            line-height: 1.7;
            font-size: 0.95rem;
            opacity: 0.9;
        }
        
        /* ===== 重点模块：质量承诺 ===== */
        .tf-products-quality {
            background: linear-gradient(135deg, #f8fff9 0%, #e8f5e9 100%);
            padding: 30px 0;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(58, 125, 68, 0.15);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.05);
        }
        
        .tf-products-quality-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 50px;
            align-items: center;
        }
        
        .tf-products-quality-visual {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 25px;
        }
        
        .tf-products-quality-item {
            background: white;
            padding: 30px 20px;
            border-radius: 15px;
            text-align: center;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.07);
            transition: all 0.4s;
        }
        
        .tf-products-quality-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(58, 125, 68, 0.15);
        }
        
        .tf-products-quality-icon {
            font-size: 2.5rem;
            color: #3a7d44;
            margin-bottom: 15px;
            display: block;
        }
        
        .tf-products-quality-item span {
            font-size: 1.1rem;
            font-weight: 600;
            color: #2a5d30;
        }
        
        .tf-products-quality-text h3 {
            font-size: 1.8rem;
            color: #1a3a2e;
            margin-bottom: 25px;
        }
        
        .tf-products-quality-list {
            list-style: none;
            margin-top: 20px;
        }
        
        .tf-products-quality-list li {
            padding: 12px 0;
            color: #444;
            position: relative;
            padding-left: 30px;
            border-bottom: 1px solid rgba(58, 125, 68, 0.1);
        }
        
        .tf-products-quality-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: #4caf50;
            font-weight: bold;
            font-size: 1.2rem;
        }
        
        .tf-products-quality-list li:last-child {
            border-bottom: none;
        }
        
        /* ===== FAQ部分 ===== */
        .tf-products-faq {
            background: white;
            padding: 30px 0;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.07);
        }
        
        .tf-products-faq-container {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .tf-products-faq-item {
            background: #f8f9fa;
            border-radius: 12px;
            margin-bottom: 20px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s;
        }
        
        .tf-products-faq-item:hover {
            box-shadow: 0 8px 25px rgba(58, 125, 68, 0.1);
        }
        
        .tf-products-faq-question {
            padding: 25px 30px;
            font-size: 1.15rem;
            font-weight: 600;
            color: #1a3a2e;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s;
        }
        
        .tf-products-faq-question:hover {
            background: rgba(58, 125, 68, 0.03);
        }
        
        .tf-products-faq-question i {
            color: #4caf50;
            transition: transform 0.3s;
        }
        
        .tf-products-faq-item.active .tf-products-faq-question i {
            transform: rotate(180deg);
        }
        
        .tf-products-faq-answer {
            padding: 0 30px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.4s ease;
            color: #444;
            line-height: 1.7;
        }
        
        .tf-products-faq-item.active .tf-products-faq-answer {
            padding: 0 30px 30px;
            max-height: 1000px;
        }
        
        .tf-products-faq-answer ol,
        .tf-products-faq-answer ul {
            padding-left: 20px;
            margin: 15px 0;
        }
        
        .tf-products-faq-answer li {
            margin-bottom: 10px;
        }
        
        /* ===== 联系我们 ===== */
        .tf-products-contact {
            padding:30px 0;
        }
        
        .tf-products-contact-form-wrapper {
            background: white;
            padding: 50px;
            border-radius: 20px;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(58, 125, 68, 0.1);
        }
        
        .tf-products-contact-form-wrapper::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
        }
        
        .tf-products-contact-title {
            font-size: 2.2rem;
            color: #1a3a2e;
            margin-bottom: 10px;
            text-align: center;
        }
        
        .tf-products-contact-subtitle {
            text-align: center;
            color: #666;
            margin-bottom: 40px;
            font-size: 1.1rem;
        }
        
        /* ===== 侧边栏 ===== */
        .tf-products-sidebar {
            margin-bottom: 80px;
        }
        
        .tf-products-sidebar-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .tf-products-sidebar-card {
            background: white;
            border-radius: 15px;
            padding: 35px 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
            border: 1px solid #f0f0f0;
            transition: all 0.4s;
        }
        
        .tf-products-sidebar-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(58, 125, 68, 0.15);
        }
        
        .tf-products-sidebar-title {
            font-size: 1.5rem;
            color: #1a3a2e;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid #f0f0f0;
            position: relative;
        }
        
        .tf-products-sidebar-title::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 60px;
            height: 2px;
            background: #4caf50;
        }
        
        .tf-products-sidebar-list li {
            padding: 15px 0;
            border-bottom: 1px solid #f5f5f5;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .tf-products-sidebar-list li:last-child {
            border-bottom: none;
        }
        
        .tf-products-sidebar-list a {
            color: #444;
            transition: all 0.3s;
            font-weight: 500;
        }
        
        .tf-products-sidebar-list a:hover {
            color: #3a7d44;
            padding-left: 5px;
        }
        
        .tf-products-sidebar-count {
            background: #e8f5e9;
            color: #3a7d44;
            font-size: 0.8rem;
            padding: 5px 10px;
            border-radius: 50px;
            font-weight: 600;
            min-width: 30px;
            text-align: center;
        }
        
        /* ===== 响应式设计 ===== */
        @media (max-width: 1100px) {
            .tf-products-hero-title {
                font-size: 3.2rem;
            }
        }
        
        @media (max-width: 992px) {
        .tf-products-hero-title {
            font-size: 3.2rem;
        }
        
        .tf-products-hero-stats {
            gap: 40px;
        }
            
            .tf-products-section-title {
                font-size: 2.2rem;
            }
        }
        
        @media (max-width: 768px) {
            .tf-products-hero {
                height: 500px; /* 增加高度以适应垂直布局 */
                margin-bottom: 60px;
            }
            
            .tf-products-hero-content {
                padding: 0 25px;
            }
            
            .tf-products-hero-title {
                font-size: 2.5rem;
                margin-bottom: 15px;
            }
            
            .tf-products-hero-subtitle {
                font-size: 1.3rem;
                margin-bottom: 30px;
                padding: 0 15px;
                line-height: 1.5;
            }
            
            .tf-products-hero-stats {
                flex-direction: column;
                gap: 20px;
                margin-top: 30px;
                width: 100%;
            }
            
            .tf-products-hero-stat {
                width: 100%;
                max-width: 280px;
                padding: 15px;
                margin: 0 auto;
            }
            
            .tf-products-hero-stat-number {
                font-size: 2.2rem;
            }
            
            .tf-products-grid {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            }
            
            .tf-products-series-grid,
            .tf-products-capabilities-grid {
                grid-template-columns: 1fr;
            }
            
            .tf-products-quality-content {
                grid-template-columns: 1fr;
            }
            
            .tf-products-contact-form-wrapper {
                padding: 30px 20px;
            }
            
            .tf-products-sidebar-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 576px) {
            .tf-products-hero {
                height: 600px;
                margin-bottom: 50px;
            }
            
            .tf-products-hero-title {
                font-size: 2rem;
                letter-spacing: 0.5px;
            }
            
            .tf-products-hero-title span::after {
                bottom: -8px;
                height: 3px;
            }
            
            .tf-products-hero-subtitle {
                font-size: 1.1rem;
                margin-bottom: 25px;
                padding: 0 10px;
            }
            
            .tf-products-hero-content {
                padding: 0 20px;
            }
            
            .tf-products-hero-stats {
                gap: 15px;
                margin-top: 25px;
            }
            
            .tf-products-hero-stat {
                padding: 12px 15px;
            }
            
            .tf-products-hero-stat-number {
                font-size: 1.8rem;
            }
            
            .tf-products-hero-stat-text {
                font-size: 0.8rem;
                letter-spacing: 1px;
            }
            
            .tf-products-grid {
                grid-template-columns: 1fr;
            }
            
            .tf-products-section-title {
                font-size: 1.9rem;
            }
            
            .tf-products-card-content {
                padding: 20px;
            }
        }
                
        /* ===== 翻页样式 ===== */
        .tf-products-pagination-wrapper {
            display: flex;
            justify-content: center;
            width: 100%;
        }
        
        .tf-products-pagination {
            display: flex;
            gap: 8px;
            align-items: center;
            flex-wrap: wrap;
            justify-content: center;
        }
        
        .tf-products-pagination .page-numbers {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 18px;
            background: white;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            color: #555;
            font-weight: 500;
            font-size: 0.95rem;
            text-decoration: none;
            transition: all 0.3s ease;
            min-width: 44px;
            height: 44px;
        }
        
        .tf-products-pagination .page-numbers:hover {
            background: #f8f9fa;
            border-color: #3a7d44;
            color: #3a7d44;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(58, 125, 68, 0.1);
        }
        
        .tf-products-pagination .page-numbers.current {
            background: linear-gradient(135deg, #3a7d44, #4caf50);
            color: white;
            border-color: #3a7d44;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(58, 125, 68, 0.2);
        }
        
        .tf-products-pagination .page-numbers.dots {
            background: transparent;
            border: none;
            min-width: auto;
        }
        
        .tf-products-pagination .page-numbers.prev,
        .tf-products-pagination .page-numbers.next {
            padding: 10px 24px;
            gap: 8px;
        }
        
        .tf-products-pagination .page-numbers i {
            font-size: 0.9rem;
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .tf-products-pagination .page-numbers {
                padding: 8px 14px;
                min-width: 40px;
                height: 40px;
                font-size: 0.9rem;
            }
            
            .tf-products-pagination .page-numbers.prev,
            .tf-products-pagination .page-numbers.next {
                padding: 8px 16px;
            }
        }
        
        @media (max-width: 576px) {
            .tf-products-pagination {
                gap: 6px;
            }
            
            .tf-products-pagination .page-numbers {
                padding: 6px 10px;
                min-width: 36px;
                height: 36px;
                font-size: 0.85rem;
            }
            
            .tf-products-pagination .page-numbers.prev,
            .tf-products-pagination .page-numbers.next {
                padding: 6px 12px;
                font-size: 0.85rem;
            }
            
            .tf-products-pagination .page-numbers.dots {
                padding: 6px 4px;
            }
        }        
        

        /* 所有样式都使用.tf-blog前缀避免冲突 */
        .tf-blog * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        .tf-blog {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            color: #333;
            line-height: 1.6;
            background-color: #f8f9fa;
            position: relative;
            overflow-x: hidden;
        }

        .tf-blog a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        .tf-blog a:hover {
            color: #1d9c1d;
        }

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

        /* 页面头部 - 科技感banner */
        .tf-blog-header {
            position: relative;
            height: 350px;
            overflow: hidden;
            background: linear-gradient(rgb(13 14 14 / 80%), rgb(0 0 0 / 90%)), #bdc4cb url(https://www.topfastpcb.com/wp-content/uploads/2025/04/cropped-list-banner.jpg);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 40px;
            border-bottom: 1px solid #eaeaea;
            background-size: cover;
            background-position: center;
        }

        .tf-blog-header-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 1200px;
            width: 100%;
            padding: 0 20px;
        }

        .tf-blog-header-subtitle {
            font-size: 1.4rem;
            color: white;
            margin-bottom: 10px;
            letter-spacing: 1px;
            position: relative;
            display: inline-block;
            font-weight: 600;
        }

        .tf-blog-header-subtitle span {
            color: #1d9c1d;
            font-weight: 700;
        }

        .tf-blog-header-title {
            font-size: 3.5rem;
            font-weight: 700;
            color: white;
            margin-bottom: 25px;
            letter-spacing: 1px;
            position: relative;
        }

        .tf-blog-header-title::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: #1d9c1d;
            border-radius: 2px;
        }

        /* 面包屑导航 */
        .tf-blog-breadcrumb {
            background-color: #fff;
            padding: 15px 0;
            margin-bottom: 30px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
        }

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

        .tf-blog-breadcrumb-list {
            list-style: none;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
        }

        .tf-blog-breadcrumb-item {
            font-size: 0.9rem;
            color: #666;
            margin-right: 10px;
        }

        .tf-blog-breadcrumb-item:not(:last-child)::after {
            content: '/';
            margin-left: 10px;
            color: #1d9c1d;
            font-weight: 500;
        }

        .tf-blog-breadcrumb-item a:hover {
            color: #1d9c1d;
        }

        .tf-blog-breadcrumb-item.active {
            color: #1d9c1d;
            font-weight: 600;
        }

        /* 主容器 */
        .tf-blog-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 60px;
        }

        /* 主要内容区域 */
        .tf-blog-main {
            flex: 1;
            min-width: 300px;
        }

        /* 文章列表 */
        .tf-blog-article {
            background: #fff;
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 25px;
            border: 1px solid #eaeaea;
            transition: all 0.3s ease;
            position: relative;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
        }

        .tf-blog-article:hover {
            transform: translateY(-3px);
            border-color: #1d9c1d;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
        }

        .tf-blog-article-image {
            height: 220px;
            overflow: hidden;
            position: relative;
        }

        .tf-blog-article-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .tf-blog-article:hover .tf-blog-article-image img {
            transform: scale(1.03);
        }

        .tf-blog-article-date {
            position: absolute;
            top: 15px;
            left: 15px;
            background: #fff;
            color: #1d9c1d;
            padding: 8px 12px;
            border-radius: 6px;
            font-weight: 700;
            text-align: center;
            border: 1px solid rgba(29, 156, 29, 0.3);
            box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
        }

        .tf-blog-article-date-days {
            font-size: 1.5rem;
            line-height: 1;
            display: block;
        }

        .tf-blog-article-date-month {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .tf-blog-article-content {
            padding: 20px;
        }

        .tf-blog-article-title {
            font-size: 1.6rem;
            margin-bottom: 12px;
            color: #222;
            line-height: 1.3;
            font-weight: 700;
        }

        .tf-blog-article-title a:hover {
            color: #1d9c1d;
        }

        /* 作者信息 */
        .tf-blog-article-author {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            color: #666;
            font-size: 0.9rem;
        }

        .tf-blog-article-author-icon {
            background-color: #1d9c1d;
            color: white;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
            font-size: 0.9rem;
        }

        .tf-blog-article-author-name {
            font-weight: 600;
            color: #333;
        }

        /* 分类和标签 */
        .tf-blog-article-taxonomy {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 15px;
        }

        .tf-blog-article-category {
            background: rgba(29, 156, 29, 0.1);
            color: #1d9c1d;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            border: 1px solid rgba(29, 156, 29, 0.3);
            font-weight: 500;
        }

        .tf-blog-article-tag {
            background: rgba(100, 100, 100, 0.1);
            color: #666;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            border: 1px solid rgba(100, 100, 100, 0.2);
        }

        .tf-blog-article-excerpt {
            color: #555;
            margin-bottom: 20px;
            line-height: 1.7;
        }

        .tf-blog-article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 15px;
            border-top: 1px solid #eee;
        }

        .tf-blog-article-readmore {
            color: #1d9c1d;
            font-weight: 600;
            font-size: 0.95rem;
            position: relative;
            padding-right: 20px;
        }

        .tf-blog-article-readmore::after {
            content: '→';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            transition: right 0.3s ease;
        }

        .tf-blog-article-readmore:hover::after {
            right: -5px;
        }

        /* 优化后的分页样式 */
        .tf-blog-pagination {
            display: flex;
            justify-content: center;
            margin-top: 60px;
            padding-top: 30px;
            border-top: 1px solid #eee;
        }

        .tf-blog-pagination .page-numbers {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 44px;
            height: 44px;
            padding: 0 15px;
            margin: 0 4px;
            border-radius: 8px;
            background: #fff;
            border: 1px solid #eaeaea;
            color: #666;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            text-decoration: none;
        }

        .tf-blog-pagination .page-numbers:hover {
            background: rgba(29, 156, 29, 0.08);
            border-color: rgba(29, 156, 29, 0.3);
            color: #1d9c1d;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }

        .tf-blog-pagination .page-numbers.current {
            background: #1d9c1d;
            border-color: #1d9c1d;
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(29, 156, 29, 0.2);
        }

        .tf-blog-pagination .page-numbers.dots {
            background: transparent;
            border: none;
            color: #999;
            cursor: default;
        }

        .tf-blog-pagination .page-numbers.dots:hover {
            background: transparent;
            border: none;
            color: #999;
            transform: none;
            box-shadow: none;
        }

        .tf-blog-pagination .page-numbers.prev,
        .tf-blog-pagination .page-numbers.next {
            padding: 0 20px;
            font-weight: 500;
        }

        .tf-blog-pagination .page-numbers.prev i,
        .tf-blog-pagination .page-numbers.next i {
            font-size: 0.9rem;
            transition: transform 0.3s ease;
        }

        .tf-blog-pagination .page-numbers.prev:hover i {
            transform: translateX(-3px);
        }

        .tf-blog-pagination .page-numbers.next:hover i {
            transform: translateX(3px);
        }

        /* 侧边栏 */
        .tf-blog-sidebar {
            width: 300px;
        }

        .tf-blog-widget {
            background: #fff;
            border-radius: 10px;
            padding: 20px;
            margin-bottom: 25px;
            border: 1px solid #eaeaea;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
        }

        .tf-blog-widget-title {
            font-size: 1.3rem;
            color: #222;
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid #f0f0f0;
            position: relative;
            font-weight: 700;
        }

        .tf-blog-widget-title::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 50px;
            height: 2px;
            background: #1d9c1d;
        }

        /* 搜索框 */
        .tf-blog-search-form {
            position: relative;
        }

        .tf-blog-search-input {
            width: 100%;
            padding: 12px 18px;
            background: #f8f9fa;
            border: 1px solid #ddd;
            border-radius: 8px;
            color: #333;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .tf-blog-search-input:focus {
            outline: none;
            border-color: #1d9c1d;
            background: #fff;
            box-shadow: 0 0 0 3px rgba(29, 156, 29, 0.1);
        }

        .tf-blog-search-button {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            background: transparent;
            border: none;
            color: #1d9c1d;
            cursor: pointer;
            font-size: 1.1rem;
        }

        /* 分类介绍 */
        .tf-blog-category-description {
            color: #555;
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* 分类列表 */
        .tf-blog-categories-list {
            list-style: none;
        }

        .tf-blog-categories-item {
            padding: 10px 0;
            border-bottom: 1px solid #f0f0f0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.2s ease;
        }

        .tf-blog-categories-item:hover {
            padding-left: 5px;
            color: #1d9c1d;
        }

        .tf-blog-categories-item:last-child {
            border-bottom: none;
        }

        .tf-blog-categories-count {
            background: #f8f9fa;
            color: #666;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.85rem;
        }

        .tf-blog-categories-item:hover .tf-blog-categories-count {
            background: rgba(29, 156, 29, 0.1);
            color: #1d9c1d;
        }

        /* 最新文章 */
        .tf-blog-recent-posts {
            list-style: none;
        }

        .tf-blog-recent-post {
            display: flex;
            margin-bottom: 18px;
            padding-bottom: 18px;
            border-bottom: 1px solid #f0f0f0;
        }

        .tf-blog-recent-post:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }

        .tf-blog-recent-post-img {
            width: 80px;
            height: 60px;
            border-radius: 6px;
            overflow: hidden;
            margin-right: 15px;
            flex-shrink: 0;
        }

        .tf-blog-recent-post-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .tf-blog-recent-post:hover .tf-blog-recent-post-img img {
            transform: scale(1.05);
        }

        .tf-blog-recent-post-content h4 {
            font-size: 0.95rem;
            margin-bottom: 5px;
            color: #222;
            line-height: 1.3;
            font-weight: 600;
        }

        .tf-blog-recent-post-content h4 a:hover {
            color: #1d9c1d;
        }

        .tf-blog-recent-post-date {
            font-size: 0.85rem;
            color: #888;
        }

        /* 响应式设计 */
        @media (max-width: 1024px) {
            .tf-blog-container {
                flex-direction: column;
            }
            
            .tf-blog-sidebar {
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            .tf-blog-header {
                height: 280px;
            }
            
            .tf-blog-header-subtitle {
                font-size: 1.2rem;
            }
            
            .tf-blog-header-title {
                font-size: 2.5rem;
            }
            
            .tf-blog-article-image {
                height: 180px;
            }
            
            .tf-blog-article-title {
                font-size: 1.4rem;
            }
            
            .tf-blog-article-taxonomy {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .tf-blog-pagination .page-numbers {
                min-width: 38px;
                height: 38px;
                padding: 0 12px;
                margin: 0 3px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 480px) {
            .tf-blog-header-title {
                font-size: 2rem;
            }
            
            .tf-blog-article-title {
                font-size: 1.3rem;
            }
            
            .tf-blog-pagination {
                flex-wrap: wrap;
            }
            
            .tf-blog-pagination .page-numbers {
                min-width: 36px;
                height: 36px;
                padding: 0 10px;
                margin: 0 2px 5px;
                font-size: 0.85rem;
            }
            
            .tf-blog-article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            
            .tf-blog-article-readmore {
                align-self: flex-end;
            }
        }

        /* Contact Form 7 样式适配 */
        .tf-blog .wpcf7-form-control {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            background: #f8f9fa;
            border: 1px solid #ddd;
            border-radius: 8px;
            color: #333;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            font-family: 'Inter', sans-serif;
        }
        
        .tf-blog .wpcf7-form-control:focus {
            outline: none;
            border-color: #1d9c1d;
            background: #fff;
            box-shadow: 0 0 0 3px rgba(29, 156, 29, 0.1);
        }
        
        .tf-blog .wpcf7-textarea {
            height: 120px;
            resize: vertical;
        }
        
        .tf-blog .wpcf7-submit {
            width: 100%;
            padding: 14px;
            background: #1d9c1d;
            border: none;
            border-radius: 8px;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            letter-spacing: 0.5px;
            font-family: 'Inter', sans-serif;
        }
        
        .tf-blog .wpcf7-submit:hover {
            background: #167a16;
            box-shadow: 0 5px 15px rgba(29, 156, 29, 0.2);
        }
        
        .tf-blog .wpcf7-spinner {
            display: none;
        }
        
        .tf-blog .wpcf7-not-valid-tip {
            color: #e74c3c;
            font-size: 0.85rem;
            margin-top: 5px;
        }
        
        .tf-blog .wpcf7-response-output {
            padding: 12px;
            border-radius: 8px;
            margin: 20px 0 0 0 !important;
            font-size: 0.95rem;
        }
        
        .tf-blog .wpcf7-mail-sent-ok {
            border: 1px solid #2ecc71;
            background-color: rgba(46, 204, 113, 0.1);
            color: #27ae60;
        }
        
        .tf-blog .wpcf7-validation-errors {
            border: 1px solid #e74c3c;
            background-color: rgba(231, 76, 60, 0.1);
            color: #c0392b;
        }
        
        /* 无文章提示 */
        .tf-blog-no-posts {
            text-align: center;
            padding: 40px;
            background: #fff;
            border-radius: 10px;
            color: #666;
            font-size: 1.1rem;
        }