.nav-right-zone {
     display: flex;
     align-items: center;
     gap: 30px;
     flex-shrink: 0;
 }

 .nav-back-link {
     font-size: 1.15rem;
     color: var(--accent-blue);
     font-weight: 600;
     transition: 0.3s;
     cursor: pointer;
     display: flex;
     align-items: center;
     gap: 6px;
 }

 .nav-back-link:hover {
     opacity: 0.8;
     transform: translateX(-3px);
 }
  .btn-primary { 
            background: linear-gradient(90deg, var(--accent-blue) 0%, var(--accent-cyan) 100%); 
            color: #FFF !important; padding: 10px 24px; border-radius: 30px; 
            font-size: 0.9rem; font-weight: 600; transition: 0.3s; cursor: pointer; 
            box-shadow: 0 5px 15px rgba(0, 113, 227, 0.2); white-space: nowrap; border: none;
        }
.btn-primary:hover { box-shadow: 0 8px 25px rgba(0, 113, 227, 0.35); transform: translateY(-2px); }
 .progress-container {
     width: 100%;
     height: 3px;
     background: transparent;
     position: fixed;
     top: 65px;
     left: 0;
     z-index: 1001;
 }

 .progress-bar {
     height: 3px;
     background: var(--accent-blue);
     width: 0%;
     transition: width 0.1s ease-out;
 }


 .layout-container {
     display: flex;
     align-items: flex-start;
     max-width: 1400px;
     margin: 110px auto 60px auto;
     padding: 0 5%;
     gap: 40px;
 }


 .sidebar-toc {
     position: sticky;
     top: 95px;
     width: 260px;
     flex-shrink: 0;
     background: var(--bg-secondary);
     border-radius: 20px;
     padding: 30px 25px;
     box-shadow: var(--shadow-base);
     border: 1px solid var(--border-color);
     max-height: calc(100vh - 130px);
     overflow-y: auto;
     scrollbar-width: thin;
 }

 .toc-list {
     padding-left: 0;
 }

 .sidebar-toc h3 {
     font-size: 1.05rem;
     color: #888;
     margin-bottom: 15px;
     font-weight: 700;
     text-transform: uppercase;
     letter-spacing: 1px;
     border-bottom: 1px solid #E5E5EA;
     padding-bottom: 15px;
 }

 .toc-list li {
     margin-bottom: 6px;
 }

 .toc-list a {
     display: block;
     font-size: 0.9rem;
     color: var(--text-muted);
     padding: 8px 12px;
     border-radius: 8px;
     transition: all 0.3s ease;
     line-height: 1.4;
     font-weight: 500;
 }

 .toc-list a:hover {
     background: rgba(0, 113, 227, 0.05);
     color: var(--accent-blue);
 }

 .toc-list a.active {
     background: var(--accent-blue);
     color: #FFF;
     font-weight: 600;
     box-shadow: 0 4px 12px rgba(0, 113, 227, 0.3);
 }


 .article-main-zone {
     flex: 1;
     min-width: 0;
 }


 .article-header-section {
     margin-bottom: 40px;
 }

 .breadcrumb {
     font-size: 1.1rem;
     color: #86868B;
     margin-bottom: 18px;
     font-weight: 500;
     letter-spacing: 0.5px;
 }

 .breadcrumb a {
     color: var(--accent-blue);
     font-weight: 500;
     transition: 0.2s;
 }

 .breadcrumb a:hover {
     opacity: 0.8;
 }

 .article-main-title {
     font-size: 2.8rem;
     font-weight: 800;
     color: var(--text-main);
     line-height: 1.25;
     margin-bottom: 25px;
     letter-spacing: -0.5px;
 }


 .article-meta-container {
     border-bottom: 1px solid #E5E5EA;
     padding-bottom: 25px;
     display: flex;
     flex-direction: column;
     gap: 15px;
 }

 .article-meta-info {
     font-size: 0.95rem;
     color: #86868B;
     display: flex;
     gap: 25px;
     align-items: center;
 }

 .meta-author {
     font-weight: 600;
     color: #1D1D1F;
 }


 .header-share-zone {
     display: flex;
     align-items: center;
     gap: 15px;
 }

 .share-label {
     font-size: 0.95rem;
     color: #86868B;
     font-weight: 500;
 }

 .share-icons {
     display: flex;
     align-items: center;
     gap: 12px;
 }


 .share-icon {
     width: 36px;
     height: 36px;
     border-radius: 50%;
     background: #FFFFFF;
     border: 1px solid #E5E5EA;
     display: flex;
     align-items: center;
     justify-content: center;
     transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
     text-decoration: none;
     overflow: hidden;
     box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
 }


 .share-icon img {
     width: 100%;
     height: 100%;
     object-fit: cover;
     display: block;
     transition: transform 0.3s;
 }


 .share-icon:hover {
     transform: translateY(-3px);
 }

 .share-icon.wechat:hover {
     border-color: #07C160;
     box-shadow: 0 6px 15px rgba(7, 193, 96, 0.25);
 }

 .share-icon.xiaohongshu:hover {
     border-color: #FF2442;
     box-shadow: 0 6px 15px rgba(255, 36, 66, 0.25);
 }

 .share-icon.weibo:hover {
     border-color: #E6162D;
     box-shadow: 0 6px 15px rgba(230, 22, 45, 0.25);
 }

 .share-icon.zhihu:hover {
     border-color: #0066FF;
     box-shadow: 0 6px 15px rgba(0, 102, 255, 0.25);
 }

 .share-icon.douyin:hover {
     border-color: #1D1D1F;
     box-shadow: 0 6px 15px rgba(29, 29, 31, 0.25);
 }

 .share-icon.copylink:hover {
     border-color: var(--accent-blue);
     box-shadow: 0 6px 15px rgba(0, 113, 227, 0.25);
 }


 .toast-msg {
     position: fixed;
     top: 90px;
     left: 50%;
     transform: translateX(-50%) translateY(-20px);
     background: rgba(0, 0, 0, 0.8);
     color: #FFF;
     padding: 12px 25px;
     border-radius: 30px;
     font-size: 0.95rem;
     font-weight: 500;
     opacity: 0;
     visibility: hidden;
     transition: 0.3s;
     z-index: 9999;
 }

 .toast-msg.show {
     opacity: 1;
     visibility: visible;
     transform: translateX(-50%) translateY(0);
 }


 .post-content-wrapper {
     min-width: 0;
     background: #FFFFFF;
     border-radius: 24px;
     padding: 60px 6%;
     box-shadow: var(--shadow-base);
     border: 1px solid var(--border-color);
 }

 .post-content-wrapper img {
     max-width: 100%;
 }

 .post-content-wrapper p {
     font-size: 1.1rem;
     color: #333333;
     line-height: 2;
     margin-bottom: 28px;
     text-align: justify;
     letter-spacing: 0.3px;
 }

 .post-content-wrapper h2 {
     font-size: 1.8rem;
     font-weight: 800;
     color: #1D1D1F;
     margin: 45px 0 22px 0;
     line-height: 1.35;
     scroll-margin-top: 80px;
 }

 .post-content-wrapper h2:first-child {
     margin-top: 0;
 }

 .post-content-wrapper h3 {
     font-size: 1.4rem;
     font-weight: 700;
     color: #1D1D1F;
     margin: 10px;
     scroll-margin-top: 80px;
 }

 .post-content-wrapper ul,
 .post-content-wrapper ol {
     margin-bottom: 28px;
     padding-left: 22px;
 }

 .post-content-wrapper li {
     font-size: 1.05rem;
     color: #444;
     line-height: 1.8;
     margin-bottom: 10px;
 }

 .post-content-wrapper li::marker {
     color: var(--accent-blue);
     font-weight: bold;
 }

 .post-content-wrapper blockquote {
     border-left: 4px solid var(--accent-blue);
     background: #F5F5F7;
     padding: 22px 30px;
     margin: 35px 0;
     border-radius: 0 16px 16px 0;
     font-size: 1.15rem;
     color: #1D1D1F;
     font-style: italic;
     font-weight: 500;
 }

 .article-rich-image {
     width: 100%;
     height: auto;
     margin: 40px 0;
     display: flex;
     flex-direction: column;
     gap: 10px;
 }

 .article-rich-image img {
     width: 100%;
     height: auto;
     max-height: 600px;
     object-fit: cover;
     border-radius: 14px;
     border: 1px solid var(--border-color);
     box-shadow: 0 8px 25px rgba(0, 0, 0, 0.02);
 }

 .image-caption-text {
     font-size: 0.88rem;
     color: #86868B;
     text-align: center;
     font-weight: 500;
     letter-spacing: 0.5px;
 }



 .wp-block-accordion-item {
     border-bottom: 1px solid #e5e5e5;
     background: #fff;
 }


 .wp-block-accordion-heading {
     margin: 0;
 }

 .wp-block-accordion-heading__toggle {
     width: 100%;
     border: 0;
     background: transparent;
     cursor: pointer;
     display: flex;
     justify-content: space-between;
     align-items: center;
     padding: 10px;
     font-size: 18px;
     font-weight: 700;
     color: #222;
     text-align: left;
     transition: all .3s ease;
 }

 .wp-block-accordion-heading__toggle:hover {
     background: #fafafa;
 }


 .wp-block-accordion-heading__toggle-title {
     flex: 1;
     line-height: 1.5;
 }


 .wp-block-accordion-heading__toggle-icon {
     flex-shrink: 0;
     width: 24px;
     height: 24px;

     display: flex;
     align-items: center;
     justify-content: center;

     color: #0066ff;
     font-size: 32px;
     font-weight: 300;
     line-height: 1;

     transition: transform .3s ease;
 }


 .wp-block-accordion-item.is-open .wp-block-accordion-heading__toggle-icon,
 .wp-block-accordion-item[open] .wp-block-accordion-heading__toggle-icon {
     transform: rotate(45deg);
 }


 .wp-block-accordion-panel {
     padding: 0 40px 30px;
     color: #666;
     font-size: 16px;
     line-height: 2;
 }

 .wp-block-accordion-panel p {
     margin: 0;
 }


 @media (max-width: 768px) {

     .wp-block-accordion-heading__toggle {
         padding: 20px;
         font-size: 16px;
     }

     .wp-block-accordion-panel {
         padding: 0 20px 20px;
         font-size: 14px;
     }

     .wp-block-accordion-heading__toggle-icon {
         font-size: 28px;
     }

 }



 .recommended-section {
     max-width: 1400px;
     margin: 60px auto 100px auto;
     padding: 0 5%;
 }

 .recommended-header {
     display: flex;
     justify-content: space-between;
     align-items: flex-end;
     margin-bottom: 30px;
 }

 .recommended-title {
     font-size: 1.8rem;
     font-weight: 800;
     color: var(--text-main);
 }

 .recommended-more {
     font-size: 0.95rem;
     color: var(--accent-blue);
     font-weight: 600;
     transition: 0.3s;
 }

 .recommended-more:hover {
     opacity: 0.8;
 }

 .solutions-grid {
     display: grid;
     grid-template-columns: repeat(3, 1fr);
     gap: 25px;
 }

 .sol-card {
     display: flex;
     flex-direction: column;
     background: var(--bg-secondary);
     border-radius: 16px;
     overflow: hidden;
     border: 1px solid var(--border-color);
     transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
     cursor: pointer;
     box-shadow: var(--shadow-base);
     text-decoration: none;
     color: inherit;
     height: 100%;
 }

 .sol-card:hover {
     transform: translateY(-8px);
     box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
     border-color: rgba(0, 113, 227, 0.3);
 }

 .sol-img-ph {
     width: 100%;
     height: 180px;
     background: #F0F0F0;
     display: flex;
     align-items: center;
     justify-content: center;
     color: #AAA;
     font-size: 0.85rem;
     border-bottom: 1px solid rgba(0, 0, 0, 0.05);
     overflow: hidden;
 }

 .sol-img-ph img {
     width: 100%;
     height: 100%;
     object-fit: cover;
     transition: transform 0.5s ease;
 }

 .sol-card:hover .sol-img-ph img {
     transform: scale(1.05);
 }

 .sol-content {
     padding: 22px;
     display: flex;
     flex-direction: column;
     flex: 1;
 }

 .sol-tag {
     display: inline-block;
     align-self: flex-start;
     font-size: 0.75rem;
     color: var(--accent-blue);
     background: rgba(0, 113, 227, 0.08);
     padding: 4px 10px;
     border-radius: 6px;
     margin-bottom: 12px;
     font-weight: 600;
 }

 .sol-title {
     font-size: 1.15rem;
     color: var(--text-main);
     margin-bottom: 12px;
     font-weight: 800;
     line-height: 1.4;
     transition: color 0.3s;
     display: -webkit-box;
     -webkit-line-clamp: 2;
     -webkit-box-orient: vertical;
     overflow: hidden;
 }

 .sol-card:hover .sol-title {
     color: var(--accent-blue);
 }

 .sol-keywords {
     display: flex;
     flex-wrap: wrap;
     gap: 8px;
     margin-top: auto;
     padding-top: 15px;
 }

 .sol-keywords span {
     font-size: 0.75rem;
     color: #888;
     background: #F9F9F9;
     border: 1px solid #E5E5EA;
     padding: 3px 8px;
     border-radius: 4px;
     font-weight: 500;
     transition: all 0.3s ease;
 }

 .sol-card:hover .sol-keywords span {
     color: var(--accent-blue);
     border-color: rgba(0, 113, 227, 0.2);
     background: rgba(0, 113, 227, 0.05);
 }


 .senu-modal {
     position: fixed;
     top: 0;
     left: 0;
     width: 100vw;
     height: 100vh;
     background: rgba(0, 0, 0, 0.6);
     backdrop-filter: blur(8px);
     -webkit-backdrop-filter: blur(8px);
     z-index: 100000;
     display: flex;
     align-items: center;
     justify-content: center;
     opacity: 0;
     visibility: hidden;
     transition: 0.3s ease;
     padding: 20px;
 }

 .senu-modal.active {
     opacity: 1;
     visibility: visible;
 }

 .contact-modal-content {
     background: #FFF;
     box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
     border-radius: 24px;
     padding: 40px;
     text-align: center;
     color: var(--text-main);
     transform: translateY(30px);
     transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
     width: 100%;
     max-width: 600px;
     position: relative;
 }

 .modal-close-icon {
     position: absolute;
     top: 20px;
     right: 25px;
     font-size: 1.5rem;
     color: #888;
     cursor: pointer;
 }

 .cm-direct-contact {
     background: #F5F5F7;
     padding: 20px;
     border-radius: 16px;
     margin: 20px 0;
     display: flex;
     justify-content: space-around;
     flex-wrap: wrap;
     gap: 15px;
 }

 .dc-item {
     text-align: left;
     flex: 1;
 }

 .dc-label {
     font-size: 0.85rem;
     color: #888;
     font-weight: 600;
     margin-bottom: 5px;
 }

 .dc-value {

     display: flex;
 }

 .dc-value,
 .dc-value a {
     font-size: 1rem;
     color: var(--accent-blue);
     font-weight: 800;
 }


 .qr-matrix {
     display: grid;
     grid-template-columns: repeat(4, 1fr);
     gap: 15px;
 }

 .qr-card {
     border: 1px solid #E5E5EA;
     padding: 15px 10px;
     border-radius: 16px;
     transition: 0.3s;
 }

 .qr-card:hover {
     border-color: var(--accent-blue);
     box-shadow: 0 5px 15px rgba(0, 113, 227, 0.1);
     transform: translateY(-3px);
 }

 .qr-img {
     width: 100%;
     aspect-ratio: 1/1;
     background: #F5F5F7;
     border: 1px solid #E5E5EA;
     border-radius: 8px;
     margin-bottom: 10px;
     overflow: hidden;
     display: flex;
     align-items: center;
     justify-content: center;
 }

 .qr-img img {
     width: 100%;
     height: 100%;
     object-fit: contain;
     background: #FFFFFF;
 }

 .qr-name {
     font-size: 0.9rem;
     font-weight: 600;
     color: #333;
 }

 .footer-bottom {
     padding: 40px 0;
     border-top: 1px solid var(--border-color);
     color: #888;
     font-size: 0.85rem;
     text-align: center;
     background: #FFFFFF;
 }

 @media (max-width: 1024px) {
     .layout-container {
         flex-direction: column;
         padding: 0;
         margin-top: 90px;
         gap: 20px;
     }

     .sidebar-toc {
         display: none;
     }

     .article-main-zone {
         padding: 0 5%;
         width: 100%;
     }

     .article-header-section {
         margin-top: 0;
         padding: 0;
     }

     .post-content-wrapper {
         padding: 30px 20px;
         border-radius: 16px;
     }

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

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

     .nav-back-link span {
         display: none;
     }
 }

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

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

     .header-share-zone {
         flex-wrap: wrap;
     }
 }