:root {
            --primary-color: #0440f3;
            --primary-light: #2d5df6;
            --primary-dark: #0332c9;
            --secondary-color: #f0f5ff;
            --accent-color: #ff6b35;
            --gradient-blue: linear-gradient(135deg, #0440f3 0%, #2d5df6 100%);
            --gradient-accent: linear-gradient(135deg, #ff6b35 0%, #ff8b5c 100%);
            --text-dark: #333333;
            --text-light: #666666;
            --text-lighter: #999999;
        }

    .main-title {
        text-align: center;
        margin-bottom: 50px;
        position: relative;
    }

    .main-title h1 {
        color: #0440f3;
        font-size: 1.8rem;
        font-weight: 700;
        margin-bottom: 15px;
        position: relative;
        display: inline-block;
    }

    .main-title h1::after {
        content: '';
        position: absolute;
        width: 100%;
        height: 6px;
        background: linear-gradient(90deg, #0440f3 0%, #7aa1ff 100%);
        bottom: -10px;
        left: 0;
        border-radius: 3px;
    }

    .main-title .subtitle {
        font-size: 1rem;
        color: #666;
        max-width: 700px;
        margin: 0 auto;
        line-height: 1.5;
    }

    .model-container {
        display: flex;
        flex-wrap: wrap;
        gap: 30px;
        justify-content: center;
    }

    .section1 {
        background-color: white;
        border-radius: 16px;
        padding: 30px;
        box-shadow: 0 10px 30px rgba(4, 64, 243, 0.08);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        flex: 1;
        /*min-width: 300px;*/
        /*max-width: 350px;*/
        position: relative;
        overflow: hidden;
        border-top: 5px solid #0440f3;
    }

    .section1:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 35px rgba(4, 64, 243, 0.15);
    }

    .section-title {
        color: #0440f3;
        font-size: 1.8rem;
        font-weight: 700;
        margin-bottom: 25px;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .section-title i {
        font-size: 1.6rem;
        background-color: rgba(4, 64, 243, 0.1);
        width: 50px;
        height: 50px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .item-list {
        list-style-type: none;
    }

    .item-list li {
        padding: 15px 0;
        border-bottom: 1px dashed #e0e8ff;
        position: relative;
        padding-left: 40px;
        font-size: 1.1rem;
        color: #444;
        transition: color 0.2s;
    }

    .item-list li:last-child {
        border-bottom: none;
    }

    .item-list li:hover {
        color: #0440f3;
    }

    .item-list li::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 24px;
        height: 24px;
        background-color: rgba(4, 64, 243, 0.1);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        color: #0440f3;
        font-size: 0.8rem;
    }

    .section-1 .item-list li:nth-child(1)::before {
        content: '1';
    }

    .section-1 .item-list li:nth-child(2)::before {
        content: '2';
    }

    .section-1 .item-list li:nth-child(3)::before {
        content: '3';
    }

    .section-1 .item-list li:nth-child(4)::before {
        content: '4';
    }

    .section-2 .item-list li:nth-child(1)::before {
        content: 'A';
    }

    .section-2 .item-list li:nth-child(2)::before {
        content: 'B';
    }

    .section-2 .item-list li:nth-child(3)::before {
        content: 'C';
    }

    .section-3 .item-list li::before {
        content: '\f0ac';
        font-size: 0.9rem;
    }

    .highlight {
        background-color: #0440f3;
        color: white;
        padding: 3px 8px;
        border-radius: 4px;
        font-weight: 600;
        margin-left: 5px;
    }

    .decoration {
        position: absolute;
        z-index: 0;
        opacity: 0.08;
        pointer-events: none;
    }

    .decoration-1 {
        top: 20px;
        right: 20px;
        font-size: 5rem;
        color: #0440f3;
    }

    .decoration-2 {
        bottom: 20px;
        left: 20px;
        font-size: 4rem;
        color: #0440f3;
        transform: rotate(45deg);
    }

    .section-footer {
        margin-top: 25px;
        padding-top: 20px;
        border-top: 1px solid #e0e8ff;
        display: flex;
        align-items: center;
        gap: 10px;
        color: #666;
        font-size: 0.9rem;
    }

    .section-footer i {
        color: #0440f3;
    }

    @media (max-width: 1100px) {
        .model-container {
            flex-direction: column;
            align-items: center;
        }

        .section {
            /*max-width: 500px;*/
            width: 100%;
        }
    }

    @media (max-width: 768px) {
        .main-title h1 {
            font-size: 1.6rem;
        }

        .section {
            min-width: 100%;
        }
    }

    .star-model {
        position: absolute;
        top: -15px;
        right: -15px;
        background-color: #0440f3;
        color: white;
        width: 60px;
        height: 60px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        box-shadow: 0 5px 15px rgba(4, 64, 243, 0.3);
        z-index: 2;
    }

    .services-container {
        display: flex;
        flex-wrap: wrap;
        gap: 40px;
        padding-bottom: 1.5rem;
        box-sizing: border-box;
        justify-content: center;
    }

    .service-card {
        background-color: white;
        border-radius: 20px;
        padding: 40px 35px;
        box-shadow: 0 15px 40px rgba(4, 64, 243, 0.08);
        transition: all 0.4s ease;
        flex: 1;
       
    
        position: relative;
        overflow: hidden;
        border-top: 6px solid var(--primary-color);
    }

    .service-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 6px;
        background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-color) 100%);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.5s ease;
    }

    .service-card:hover {
        transform: translateY(-15px);
        box-shadow: 0 25px 50px rgba(4, 64, 243, 0.15);
    }

    .service-card:hover::before {
        transform: scaleX(1);
    }

    .card-number {
        position: absolute;
        top: 25px;
        right: 25px;
        font-size: 5rem;
        font-weight: 900;
        color: rgba(4, 64, 243, 0.05);
        z-index: 0;
    }

    .card-icon {
        width: 80px;
        height: 80px;
        background-color: rgba(4, 64, 243, 0.1);
        border-radius: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 30px;
        font-size: 2.2rem;
        color: var(--primary-color);
        transition: all 0.3s ease;
        position: relative;
        z-index: 1;
    }

    .service-card:hover .card-icon {
        transform: scale(1.1) rotate(5deg);
        background-color: var(--primary-color);
        color: white;
    }

    .service-title {
        color: var(--primary-color);
        font-size: 1.2rem;
        font-weight: 700;
        margin-bottom: 20px;
        position: relative;
        z-index: 1;
    }

    .service-description {
        color: var(--text-light);
        line-height: 1.7;
        margin-bottom: 30px;
        font-size: 0.95rem;
        position: relative;
        z-index: 1;
    }

    .service-features {
        list-style-type: none;
        margin-bottom: 30px;
        position: relative;
        z-index: 1;
    }

    .service-features li {
        padding: 10px 0;
        padding-left: 35px;
        position: relative;
        color: var(--text-dark);
    }

    .service-features li::before {
        content: '\f00c';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 24px;
        height: 24px;
        background-color: rgba(4, 64, 243, 0.1);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--primary-color);
        font-size: 0.8rem;
    }

    .service-cta {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        color: var(--primary-color);
        font-weight: 600;
        text-decoration: none;
        padding: 12px 25px;
        border-radius: 50px;
        background-color: rgba(4, 64, 243, 0.08);
        transition: all 0.3s ease;
        position: relative;
        z-index: 1;
    }

    .service-cta:hover {
        background-color: var(--primary-color);
        color: white;
        transform: translateX(10px);
    }

    .floating-elements {
        position: absolute;
        z-index: 0;
        opacity: 0.08;
        pointer-events: none;
    }

    .floating-element-1 {
        top: 40px;
        left: 30px;
        font-size: 4rem;
        color: var(--primary-color);
        animation: float 8s ease-in-out infinite;
    }

    .floating-element-2 {
        bottom: 40px;
        right: 30px;
        font-size: 3.5rem;
        color: var(--accent-color);
        animation: float 10s ease-in-out infinite reverse;
    }

    @keyframes float {

        0%,
        100% {
            transform: translateY(0px) rotate(0deg);
        }

        50% {
            transform: translateY(-20px) rotate(10deg);
        }
    }

    .service-highlight {
        background-color: var(--primary-color);
        color: white;
        padding: 5px 12px;
        border-radius: 4px;
        font-weight: 600;
        margin: 0 3px;
    }

    @media (max-width: 1200px) {
        .services-container {
            gap: 30px;
        }

        .service-card {
            /*max-width: 350px;*/
        }
    }

    @media (max-width: 1100px) {
        .services-container {
            /*flex-direction: column;*/
            align-items: center;
        }

        .service-card {
            /*max-width: 500px;*/
            width: 100%;
        }
    }

    @media (max-width: 768px) {
        .header h1 {
            font-size: 2.5rem;
        }

        .header .subtitle {
            font-size: 1.1rem;
            padding: 0 15px;
        }

        .service-card {
            min-width: 100%;
            padding: 30px 25px;
        }
    }


    .tag {
        display: inline-block;
        background-color: rgba(4, 64, 243, 0.08);
        color: var(--primary-color);
        padding: 5px 15px;
        border-radius: 20px;
        font-size: 0.85rem;
        font-weight: 600;
        margin-bottom: 15px;
        position: relative;
        z-index: 1;
    }

    /* 头部标题区域 */
    .main-header {
        text-align: center;
        margin-bottom: 80px;
        position: relative;
    }

    .main-title {
        color: var(--primary-color);
        font-size: 2.4rem;
        font-weight: 800;
        margin-bottom: 15px;
        letter-spacing: -1px;
        line-height: 1.1;
    }

    .main-title span {
        display: block;
        font-size: 2.4rem;
        color: var(--text-dark);
        font-weight: 700;
    }

    .main-subtitle {
        font-size: 1.2rem;
        color: var(--text-light);
        max-width: 800px;
        margin: 0 auto;
        line-height: 1.5;
        font-weight: 300;
        margin-top: 25px;
    }

    .decoration-line {
        height: 6px;
        width: 200px;
        background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-color) 100%);
        margin: 40px auto;
        border-radius: 3px;
        position: relative;
    }

    .decoration-line::before,
    .decoration-line::after {
        content: '';
        position: absolute;
        width: 20px;
        height: 20px;
        border-radius: 50%;
        background-color: var(--primary-color);
        top: 50%;
        transform: translateY(-50%);
    }

    .decoration-line::before {
        left: -10px;
    }

    .decoration-line::after {
        right: -10px;
    }

    /* 主内容区域 */
    .main-content {
        display: flex;
        flex-wrap: wrap;
        gap: 50px;

    }

    /* 左侧洞察区域 */
    .insight-section {
        flex: 1;
        min-width: 300px;
        background-color: white;
        border-radius: 25px;
        padding: 40px;
        box-shadow: 0 20px 50px rgba(4, 64, 243, 0.08);
        position: relative;
        overflow: hidden;
        border-left: 8px solid var(--primary-color);
    }

    .section-header {
        display: flex;
        align-items: center;
        margin-bottom: 40px;
    }

    .section-icon {
        width: 70px;
        height: 70px;
        background-color: rgba(4, 64, 243, 0.1);
        border-radius: 18px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 20px;
        font-size: 2rem;
        color: var(--primary-color);
    }

    /* .section-title {
        color: var(--primary-color);
        font-size: 2.5rem;
        font-weight: 700;
    } */

    .section-subtitle {
        color: var(--text-dark);
        font-size: 1.4rem;
        font-weight: 600;
        margin-bottom: 25px;
        line-height: 1.4;
    }

    .methodology-container {
        display: flex;
        flex-wrap: wrap;
        gap: 25px;
        margin-bottom: 40px;
    }

    .methodology-item {
        flex: 1;
        min-width: 250px;
        background-color: var(--secondary-color);
        border-radius: 15px;
        padding: 25px;
        position: relative;
    }

    .methodology-title {
        font-size: 1.3rem;
        font-weight: 700;
        color: var(--primary-color);
        margin-bottom: 15px;
    }

    .methodology-desc {
        color: var(--text-light);
        line-height: 1.6;
    }

    /* 数据洞察网格 */
    .insight-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(30%, 1fr));
        gap: 20px;
        margin-bottom: 40px;
    }

    .insight-item {
        background-color: white;
        border-radius: 12px;
        padding: 20px;
        text-align: center;
        box-shadow: 0 8px 20px rgba(4, 64, 243, 0.05);
        border: 2px solid #e8f0ff;
        transition: all 0.3s ease;
    }

    .insight-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 12px 25px rgba(4, 64, 243, 0.15);
        border-color: var(--primary-light);
    }

    .insight-item i {
        font-size: 2rem;
        color: var(--primary-color);
        margin-bottom: 15px;
    }

    .insight-item h4 {
        font-size: 1.2rem;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 8px;
    }

    .insight-item p {
        color: var(--text-light);
        font-size: 0.9rem;
    }

    /* 品牌展示 */
    .brands-section {
        margin-top: 40px;
        padding-top: 30px;
        border-top: 1px dashed #d9e5ff;
    }

    .brands-title {
        font-size: 1.2rem;
        color: var(--text-light);
        margin-bottom: 20px;
        text-align: center;
    }

    .brands-container {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 25px;
    }

    .brand-item {
        background-color: white;
        border-radius: 12px;
        padding: 12px 25px;
        box-shadow: 0 5px 15px rgba(4, 64, 243, 0.05);
        font-weight: 700;
        color: var(--text-dark);
        transition: all 0.3s ease;
    }

    .brand-item:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 20px rgba(4, 64, 243, 0.1);
        color: var(--primary-color);
    }

    /* 中间核心区域 */
    .core-section {
        width: 100%;
        background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
        border-radius: 25px;
        padding: 50px;
        margin: 40px 0;
        color: white;
        text-align: center;
        position: relative;
        overflow: hidden;
    }

    .core-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: 30px 30px;
        z-index: 0;
    }

    .core-content {
        position: relative;
        z-index: 1;
    }

    .core-tag {
        display: inline-block;
        background-color: white;
        color: var(--primary-color);
        padding: 8px 25px;
        border-radius: 50px;
        font-weight: 700;
        font-size: 1.1rem;
        margin-bottom: 20px;
    }

    .core-title {
        font-size: 3rem;
        font-weight: 800;
        margin-bottom: 15px;
    }

    .core-desc {
        font-size: 1.3rem;
        max-width: 700px;
        margin: 0 auto;
        line-height: 1.6;
        opacity: 0.9;
    }

    /* 右侧增长区域 */
    .growth-section {
        flex: 1;
        min-width: 300px;
        background-color: white;
        border-radius: 25px;
        padding: 40px;
        box-shadow: 0 20px 50px rgba(4, 64, 243, 0.08);
        position: relative;
        overflow: hidden;
        border-right: 8px solid var(--accent-color);
    }

    .process-container {
        margin-top: 30px;
    }

    .process-item {
        background-color: var(--secondary-color);
        border-radius: 15px;
        padding: 25px;
        margin-bottom: 20px;
        position: relative;
        padding-left: 70px;
    }

    .process-item::before {
        content: '';
        position: absolute;
        left: 25px;
        top: 50%;
        transform: translateY(-50%);
        width: 35px;
        height: 35px;
        background-color: var(--primary-color);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-weight: 700;
        font-size: 1.1rem;
    }

    .process-item:nth-child(1)::before {
        content: '01';
    }

    .process-item:nth-child(2)::before {
        content: '02';
    }

    .process-item:nth-child(3)::before {
        content: '03';
    }

    .process-item:nth-child(4)::before {
        content: '04';
    }

    .process-item:nth-child(5)::before {
        content: '05';
    }

    .process-title {
        font-size: 1.3rem;
        font-weight: 700;
        color: var(--primary-color);
        margin-bottom: 10px;
    }

    .process-desc {
        color: var(--text-light);
        line-height: 1.6;
    }

    .example-section {
        background-color: #fff9f5;
        border-radius: 15px;
        padding: 25px;
        margin-top: 30px;
        border-left: 5px solid var(--accent-color);
    }

    .example-title {
        font-size: 1.2rem;
        font-weight: 700;
        color: var(--accent-color);
        margin-bottom: 15px;
    }

    .example-items {
        display: flex;
        flex-wrap: wrap;
        gap: 15px;
    }

    .example-item {
        background-color: white;
        border-radius: 10px;
        padding: 12px 20px;
        font-weight: 600;
        color: var(--text-dark);
        box-shadow: 0 5px 10px rgba(255, 107, 53, 0.1);
    }

    /* 装饰元素 */
    .floating-element {
        position: absolute;
        z-index: 0;
        opacity: 0.08;
        pointer-events: none;
        font-size: 8rem;
        color: var(--primary-color);
    }

    .floating-element-1 {
        top: 30px;
        right: 30px;
    }

    .floating-element-2 {
        bottom: 30px;
        left: 30px;
        transform: rotate(45deg);
    }

    .floating-element-3 {
        top: 50px;
        left: 50px;
        font-size: 6rem;
        color: var(--accent-color);
        opacity: 0.05;
    }

    /* 响应式设计 */
    @media (max-width: 1200px) {
        .main-content {
            flex-direction: column;
        }

        .insight-section,
        .growth-section {
            width: 100%;
        }
    }

    @media (max-width: 768px) {
        .main-title {
            font-size: 2.5rem;
        }

        .main-title span {
            font-size: 2rem;
        }

        .main-subtitle {
            font-size: 1.3rem;
        }

        .section-title {
            font-size: 2rem;
        }

        .core-title {
            font-size: 2.2rem;
        }

        .container {
            padding: 20px;
        }

        .insight-section,
        .growth-section,
        .core-section {
            padding: 30px 20px;
        }

        .methodology-item {
            min-width: 100%;
        }
    }

  * {
           
            box-sizing: border-box;
          
        }
        
        :root {
            --primary-color: #0440f3;
            --primary-light: #e8eeff;
            --primary-dark: #022ca9;
            --text-dark: #1a1a2e;
            --text-light: #666;
            --background-light: #f5f8ff;
            --card-shadow: 0 5px 15px rgba(4, 64, 243, 0.08);
            --card-hover-shadow: 0 12px 20px rgba(4, 64, 243, 0.15);
        }
        
   
        
 
        /* 第一行样式 */
        .header-row1 {
            text-align: center;
            margin-bottom: clamp(30px, 4vw, 50px);
            padding-bottom: clamp(20px, 2.5vw, 30px);
            border-bottom: 2px dashed #c2d1ff;
        }
        
        .main-title {
            font-size: clamp(1.4rem, 3.5vw, 1.65rem);
            color: var(--primary-dark);
            margin-bottom: clamp(10px, 1.5vw, 15px);
            position: relative;
            display: inline-block;
        }
        
        .main-title i {
            color: var(--primary-color);
            font-size: clamp(1.6rem, 3.5vw, 2rem);
            position: absolute;
            top: clamp(-30px, -3vw, -35px);
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, var(--primary-color), #4d7cff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .title-description {
            font-size: clamp(0.8rem, 1.6vw, 1rem);
            color: var(--text-light);
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.7;
            background-color: var(--primary-light);
            padding: clamp(10px, 1.5vw, 15px) clamp(15px, 2vw, 25px);
            border-radius: 12px;
            border-left: 4px solid var(--primary-color);
        }
        
        /* 第二行样式 - 四个项目 */
        .four-items-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            margin-bottom: clamp(30px, 4vw, 50px);
            padding-bottom: clamp(25px, 3vw, 40px);
            border-bottom: 2px dashed #c2d1ff;
        }
        
        .four-item {
            flex: 0 0 23%;
            text-align: center;
            padding: clamp(15px, 2vw, 25px) clamp(10px, 1.5vw, 15px);
            background-color: white;
            border-radius: 15px;
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
            margin-bottom: clamp(15px, 2vw, 20px);
        }
        
        .four-item:hover {
            transform: translateY(-8px);
            box-shadow: var(--card-hover-shadow);
        }
        
        .item-icon {
            font-size: clamp(1.6rem, 3vw, 2rem);
            margin-bottom: clamp(10px, 1.5vw, 15px);
            display: block;
            color: var(--primary-color);
        }
        
        .item-title {
            font-size: clamp(0.95rem, 1.6vw, 1.25rem);
            color: var(--primary-dark);
            margin-bottom: clamp(8px, 1vw, 12px);
            font-weight: 600;
        }
        
        .item-description {
            color: var(--text-light);
            font-size: clamp(0.7rem, 1.2vw, 0.85rem);
            line-height: 1.6;
        }
        
        /* 第三行样式 - 两个项目 */
        .two-items-row {
            display: flex;
            justify-content: space-between;
            margin-bottom: clamp(30px, 4vw, 50px);
            padding-bottom: clamp(25px, 3vw, 40px);
            border-bottom: 2px dashed #c2d1ff;
        }
        
        .two-item {
            flex: 0 0 48%;
            text-align: center;
            padding: clamp(18px, 2.2vw, 25px) clamp(15px, 2vw, 20px);
            background-color: white;
            border-radius: 15px;
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
        }
        
        .two-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--card-hover-shadow);
        }
        
        /* 第四行样式 - 单个项目 */
        .single-item-row {
            text-align: center;
            padding: clamp(18px, 2.2vw, 25px) clamp(15px, 2vw, 20px);
            background: linear-gradient(135deg, var(--primary-light) 0%, #d9e3ff 100%);
            border-radius: 15px;
            border: 2px solid #c2d1ff;
            transition: all 0.3s ease;
        }
        
        .single-item-row:hover {
            background: linear-gradient(135deg, #d9e3ff 0%, #b8cbff 100%);
            border-color: var(--primary-color);
        }
        
        .single-item-icon {
            font-size: clamp(1.8rem, 3.2vw, 2.2rem);
            margin-bottom: clamp(12px, 1.8vw, 18px);
            display: block;
            color: var(--primary-color);
        }
        
        .single-item-title {
            font-size: clamp(1.1rem, 2vw, 1.5rem);
            color: var(--primary-dark);
            margin-bottom: clamp(8px, 1.2vw, 12px);
            font-weight: 600;
        }
        
        .single-item-description {
            color: var(--text-light);
            font-size: clamp(0.75rem, 1.4vw, 0.9rem);
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.7;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .four-item {
                flex: 0 0 48%;
                margin-bottom: clamp(20px, 3vw, 25px);
            }
            
            .two-items-row {
                flex-direction: column;
                gap: clamp(20px, 3vw, 25px);
            }
            
            .two-item {
                flex: 0 0 100%;
                margin-bottom: 0;
            }
        }
        
        @media (max-width: 768px) {
            .four-items-row {
                gap: clamp(15px, 3vw, 20px);
            }
            
            .four-item {
                flex: 0 0 100%;
            }
            
            .container {
                padding: clamp(12px, 3vw, 20px);
            }
            
            body {
                padding: 10px;
            }
        }
        
        @media (max-width: 480px) {
            .title-description {
                font-size: clamp(0.75rem, 3vw, 0.85rem);
                padding: 8px 10px;
            }
            
            .item-description {
                font-size: clamp(0.65rem, 2.8vw, 0.75rem);
            }
            
            .single-item-description {
                font-size: clamp(0.7rem, 2.8vw, 0.8rem);
            }
        }
        
        /* 模型名称装饰 */
        .model-name {
            color: var(--primary-color);
            font-weight: 700;
            font-style: italic;
        }
        
        /* 小标题装饰 */
        .subtitle {
            display: inline-block;
            color: var(--primary-color);
            font-weight: 600;
            background-color: var(--primary-light);
            padding: 2px 8px;
            border-radius: 15px;
            margin: 0 4px;
            font-size: clamp(0.65em, 1.3vw, 0.8em);
        }
        
        /* 添加一个尺寸指示器用于测试 */
        .size-indicator {
            position: fixed;
            top: 10px;
            right: 10px;
            background: rgba(4, 64, 243, 0.9);
            color: white;
            padding: 5px 10px;
            border-radius: 5px;
            font-size: 12px;
            z-index: 1000;
            display: none; /* 默认隐藏，测试时可设置为block */
        }
        
        /* 主题色测试块 */
        .color-test {
            display: none;
            width: 100px;
            height: 100px;
            background-color: var(--primary-color);
            margin: 20px auto;
            border-radius: 10px;
        }