.industry-container {
     background: #fff;
     margin: 0 auto;
     padding: 10px;
 }

 .industry-title {
     font-size: 22px;
     font-weight: 600;
     color: #1f2937;
     margin-bottom: 20px;
     padding-bottom: 10px;
     border-bottom: 1px solid #e5e7eb;
 }

 /* 核心：自适应网格布局 */
 .industry-grid {
     display: grid;
     grid-template-columns: repeat(2, 1fr);
     /* 手机默认 2 列 */
     gap: 10px;
 }

 /* 平板：3列 */
 @media (min-width: 576px) {
     .industry-grid {
         grid-template-columns: repeat(3, 1fr);
     }
 }

 /* 小电脑：5列 */
 @media (min-width: 992px) {
     .grid {
         grid-template-columns: repeat(5, 1fr);
     }
 }

 /* 大屏电脑：7列 */
 @media (min-width: 1200px) {
     .industry-grid {
         grid-template-columns: repeat(7, 1fr);
     }
 }

 .item {
     display: flex;
     align-items: center;
     gap: 8px;
     padding: 10px;
     border-radius: 8px;
     cursor: pointer;
     transition: all 0.2s ease;
 }

 .item:hover {
     background-color: #f3f4f6;
 }

 .item.active {
     background-color: #eff6ff;
 }

 .item.active .text {
     color: #ff4d4f;
     font-weight: 600;
 }

 .icon {
     width: 36px;
     height: 36px;
     display: flex;
     align-items: center;
     justify-content: center;
     border-radius: 4px;
     font-size: 16px;
     font-weight: 700;
     color: #fff;
     flex-shrink: 0;
 }

 /* 图标样式 */
 .icon.us-trademark {
     background: #fff;
     color: #000;
     border: 2px solid #000;
     border-radius: 50%;
 }

 .icon.wipo {
     background: #86909c;
 }

 .icon.eu-trademark {
     background: #fff;
     color: #165dff;
     border: 2px solid #165dff;
     border-radius: 50%;
 }

 .icon.uk {
     background: #000;
 }

 .icon.jp-trademark {
     background: #fff;
     color: #003399;
 }

 .icon.tutorial {
     background: #fff;
     color: #165dff;
     border: 2px solid #165dff;
 }

 .icon.class {
     background: #fff;
     color: #000;
     border: 2px solid #000;
 }

 .icon.us-patent {
     background: #fff;
     color: #000;
 }

 .icon.eu-patent {
     background: #e2231a;
 }

 .icon.jp-patent {
     background: #fff;
     color: #34b45b;
     border: 2px solid #34b45b;
     border-radius: 50%;
 }

 .icon.google {
     background: #fff;
     color: #4285f4;
 }

 .icon.espacenet {
     background: linear-gradient(45deg, #f00, #f90, #3c3, #36f, #93f);
     color: #fff;
 }

 .icon.fangxin {
     background: #2e58a6;
     color: #fff;
 }

 .icon.us-register {
     background: #ff6a00;
     color: #fff;
     border-radius: 50%;
 }

 .icon.us-copyright {
     background: #000;
     color: #fff;
     border-radius: 50%;
 }

 .icon.cn-trademark {
     background: #fff;
     color: #003399;
 }

 .icon.cn-patent {
     background: #fff;
     color: #003399;
 }

 .text {
     font-size: 14px;
     color: #333;
     font-weight: 500;
     line-height: 1.2;
 }