/* 页面标题区 */
.banner {
    background-size: cover;
    background-position: center;
    padding: 120px 0;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.banner-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    background-size: contain;
    background-position: right center;
    background-repeat: no-repeat;
}

.banner-text {
    text-align: left;
    margin-bottom: 40px;
    max-width: 900px;
    margin: 0 auto 40px auto;
    overflow-x: hidden;
}

.banner-text h1 {
    font-size: 48px;
    margin-bottom: 10px;
    font-weight: bold;
    line-height: 1.2;
    color: #333;
    white-space: nowrap !important;
    display: block;
}

.banner-text p {
    font-size: 36px;
    opacity: 1;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
    white-space: nowrap !important;
    display: block;
}

.banner-text span {
    font-size: 18px;
    color: #666;
    line-height: 1.6;
    display: block;
    margin-bottom: 30px;
}

.banner .highlight {
    color: #1890ff;
}

.banner .btn-primary {
    display: inline-block;
    background-color: #1890ff;
    color: #fff;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 18px;
    transition: background-color 0.3s ease;
}

.banner .btn-primary:hover {
    background-color: #096dd9;
}

.banner-bottom-text {
    position: absolute;
    bottom: 40px;
    right: 40px;
    color: #666;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .banner-text {
        max-width: 800px;
    }
    .banner-text h1 {
        font-size: 32px;
    }
    .banner-text p {
        font-size: 24px;
    }
    .banner-bottom-text {
        bottom: 20px;
        right: 20px;
    }
    .solution-intro {
        flex-direction: column;
        gap: 40px;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .banner {
        padding: 100px 0;
    }
    .banner-text {
        max-width: 700px;
    }
    .banner-text h1 {
        font-size: 26px;
    }
    .banner-text p {
        font-size: 18px;
    }
    .banner-bottom-text {
        position: static;
        margin-top: 40px;
        justify-content: center;
        right: auto;
    }
    .solution-item .solution-image {
        height: 220px;
    }
    .solution-item .solution-content {
        padding: 25px;
    }
}

@media (max-width: 768px) {
    .banner {
        padding: 80px 0;
    }
    .banner-text {
        max-width: 600px;
    }
    .banner-text h1 {
        font-size: 20px;
    }
    .banner-text p {
        font-size: 14px;
    }
    .banner-text span {
        font-size: 16px;
    }
    .banner .btn-primary {
        padding: 10px 25px;
        font-size: 16px;
    }
    .platform-solutions h2 {
        font-size: 28px;
    }

    .solution-intro .solution-text h3 {
        font-size: 24px;
    }

    .solution-item .solution-image {
        height: 200px;
    }

    .solution-item .solution-content {
        padding: 20px;
    }

    .solution-item .solution-content h3 {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .banner {
        padding: 60px 0;
    }
    .banner-text {
        max-width: 90%;
    }
    .banner-text h1 {
        font-size: 14px;
    }
    .banner-text p {
        font-size: 10px;
    }
    .banner-text span {
        font-size: 14px;
    }
    .banner-bottom-text {
        flex-direction: column;
        gap: 5px;
    }
    .solution-item .solution-image {
        height: 180px;
    }
    .solution-item .solution-content {
        padding: 15px;
    }
    .solution-item .solution-content h3 {
        font-size: 18px;
    }
    .solution-item .solution-content p {
        font-size: 14px;
    }
    .feature-list li {
        font-size: 14px;
    }
}

/* 平台解决方案 */
.platform-solutions {
    padding: 80px 0;
    background: #fff;
}

.platform-solutions h2 {
    text-align: center;
    font-size: 36px;
    color: #333;
    margin-bottom: 50px;
}

.solution-intro {
    display: flex;
    flex-direction: row;
    gap: 60px;
    margin-bottom: 60px;
    align-items: center;
}

.solution-intro .solution-image {
    flex: 1;
}

.solution-intro .solution-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.solution-intro .solution-text {
    flex: 1;
}

.solution-intro .solution-text h3 {
    font-size: 32px;
    color: #333;
    margin-bottom: 20px;
}

.solution-intro .solution-text p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.solution-item {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    text-align: left;
}

.solution-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.solution-item .solution-image {
    width: 100%;
    height: 240px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.solution-item .solution-content {
    padding: 30px;
    min-height: 200px;
}

.solution-item .solution-content h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 15px;
}

.solution-item .solution-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    color: #666;
}

.feature-list i {
    color: #28a745;
    margin-right: 10px;
    font-size: 16px;
}

/* 合作优势 */
.advantages {
    padding: 80px 0;
    background: #f7faff;
}

.advantages h2 {
    text-align: center;
    font-size: 32px;
    color: #333;
    margin-bottom: 48px;
    font-weight: 700;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.advantage-card {
    background: #fff;
    border-radius: 12px;
    padding: 32px 24px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 32px rgba(24,144,255,0.1);
}

.advantage-card i {
    font-size: 36px;
    color: #1890ff;
    margin-bottom: 20px;
}

.advantage-card h3 {
    font-size: 20px;
    color: #222;
    margin-bottom: 12px;
    font-weight: 600;
}

.advantage-card p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

/* 合作流程 */
.cooperation-process {
    padding: 80px 0;
    background: #fff;
}

.cooperation-process h2 {
    text-align: center;
    font-size: 32px;
    color: #222;
    margin-bottom: 48px;
    font-weight: 700;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 0;
    right: 0;
    height: 2px;
    background: #e8e8e8;
    z-index: 1;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 2;
    flex: 1;
    padding: 0 20px;
}

.step-number {
    width: 80px;
    height: 80px;
    background: #1890ff;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    margin: 0 auto 24px;
}

.process-step h3 {
    font-size: 20px;
    color: #222;
    margin-bottom: 12px;
    font-weight: 600;
}

.process-step p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

/* 合作咨询 */
.cooperation-contact {
    padding: 80px 0;
    background: #f7faff;
}

.contact-content {
    display: flex;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-text {
    flex: 1;
}

.contact-text h2 {
    font-size: 32px;
    color: #222;
    margin-bottom: 24px;
    font-weight: 700;
}

.contact-text > p {
    color: #666;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 32px;
}

.contact-info {
    list-style: none;
}

.contact-info li {
    display: flex;
    align-items: center;
    color: #666;
    font-size: 16px;
    margin-bottom: 16px;
}

.contact-info li i {
    color: #1890ff;
    margin-right: 12px;
    font-size: 20px;
}

.contact-form {
    flex: 1;
    background: #fff;
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 8px 32px rgba(24,144,255,0.1);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e8e8e8;
    border-radius: 6px;
    font-size: 14px;
    color: #222;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #1890ff;
    outline: none;
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.btn-primary {
    display: inline-block;
    padding: 12px 32px;
    background: #1890ff;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-primary:hover {
    background: #1765ad;
}

/* 消息提示 */
.message {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 24px;
    border-radius: 6px;
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    z-index: 1000;
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.3s, transform 0.3s;
}

.message.show {
    opacity: 1;
    transform: translateY(0);
}

.message.success {
    background: #52c41a;
}

.message.error {
    background: #ff4d4f;
}