/* ========== 洁博利专利页面专属样式（完整版） ========== */
:root {
    --gb-primary: #1b9b97;
    --gb-primary-dark: #147a77;
    --gb-gold: #8a6f4c;
    --gb-dark: #1e2f3b;
    --gb-gray: #5a6e7c;
    --gb-light-bg: #f8fafc;
    --gb-border: #e9edf2;
    --gb-shadow-sm: 0 4px 12px rgba(0,0,0,0.03);
    --gb-shadow-md: 0 8px 24px rgba(0,0,0,0.05);
    --gb-shadow-hover: 0 20px 30px -12px rgba(0,0,0,0.1);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: #fff;
    color: var(--gb-dark);
    line-height: 1.5;
}
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}
.btn-primary {
    display: inline-block;
    background: var(--gb-primary);
    color: white;
    padding: 12px 32px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}
.btn-primary:hover {
    background: var(--gb-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(27,155,151,0.3);
}
.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gb-dark);
    margin-bottom: 12px;
}
.join-nav-menu {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.2rem;
    background: #8a6f4c;
    padding: 0.75rem 1rem;
    flex-wrap: wrap;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    width: 100%;
}
.join-nav-link {
    display: inline-block;
    padding: 0.7rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    color: #ffffff;
    text-decoration: none;
    border-radius: 40px;
    transition: all 0.2s ease;
    background: rgba(255,255,255,0.15);
}
.join-nav-link:hover, .join-nav-link.active {
    background: #ffffff;
    color: #8a6f4c;
}
.hero-tech {
    background: linear-gradient(rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.55)), url('/upload/202605/1778320889791736.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    padding: 80px 0 60px;
    text-align: center;
    color: white;
    width: 100%;
}
.hero-tech h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}
.hero-tech .tagline {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 32px;
}
.core-advantages {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    margin-top: 24px;
}
.adv-card {
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(4px);
    border-radius: 60px;
    padding: 12px 28px;
    border: 1px solid rgba(255,255,255,0.3);
    font-weight: 600;
    color: white;
}
/* ========== 专利板块样式 ========== */
.patent-category {
    background: #fff;
    border: 1px solid var(--gb-border);
    border-radius: 28px;
    margin-bottom: 48px;
    overflow: hidden;
    transition: box-shadow 0.3s;
}
.patent-category:hover {
    box-shadow: var(--gb-shadow-hover);
}
.patent-title {
    background: var(--gb-primary);
    text-align: center;
    padding: 20px 0;
}
.patent-title h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: #fff;
    margin: 0;
}
.patent-content {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    padding: 30px 24px;
    align-items: center;
}
.patent-left {
    flex: 0 0 25%;
    text-align: center;
}
.patent-cover img {
    max-width: 100%;
    width: auto;
    max-height: 200px;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
.patent-more-btn {
    margin-top: 24px;
    text-align: center;
}
.patent-more-btn a {
    display: inline-block;
    background: transparent;
    border: 1px solid var(--gb-primary);
    color: var(--gb-primary);
    padding: 8px 20px;
    border-radius: 40px;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: 0.2s;
    cursor: pointer;
}
.patent-more-btn a:hover {
    background: var(--gb-primary);
    color: #fff;
}
.patent-right {
    flex: 1;
}
/* 专利网格统一样式 */
.patent-list-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
/* 默认基础网格始终显示 */
.patent-list-grid.base-grid {
    margin-bottom: 0;
}
/* 更多网格默认隐藏 */
.patent-list-grid.more-grid {
    display: none;
    margin-top: 20px;
}
.patent-list-grid.more-grid.show {
    display: grid;
}
/* 响应式：平板2列，手机1列 */
@media (max-width: 992px) {
    .patent-list-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 20px;
    }
}
@media (max-width: 576px) {
    .patent-list-grid {
        grid-template-columns: 1fr !important;
        gap: 16px;
    }
}
/* 桌面端确保更多网格也是4列 */
@media (min-width: 993px) {
    .patent-list-grid.more-grid {
        grid-template-columns: repeat(4, 1fr) !important;
    }
}
.patent-item {
    text-align: center;
}
.patent-img {
    width: 100%;
    max-width: 110px;
    margin: 0 auto 12px;
    background: #fff;
    border-radius: 12px;
    border: 1px solid var(--gb-border);
    padding: 8px;
}
.patent-img img {
    max-width: 100%;
    max-height: 90px;
    width: auto;
    height: auto;
    object-fit: contain;
}
.patent-name {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--gb-dark);
    line-height: 1.3;
}
.patent-item.blank {
    visibility: hidden;
}
/* 典型专利产品 */
.patent-products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin: 40px 0;
}
@media (max-width: 992px) {
    .patent-products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}
@media (max-width: 576px) {
    .patent-products-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}
.patent-product-card {
    background: white;
    border-radius: 20px;
    padding: 20px 16px;
    text-align: center;
    border: 1px solid var(--gb-border);
    transition: all 0.3s;
}
.patent-product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--gb-shadow-hover);
}
.patent-product-img {
    width: 100%;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    background: #f8fafc;
    border-radius: 12px;
}
.patent-product-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.patent-product-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gb-dark);
    margin-bottom: 6px;
}
.patent-product-patent-name {
    font-size: 0.75rem;
    color: var(--gb-primary);
    margin-bottom: 4px;
}
.patent-product-patent-num {
    font-size: 0.7rem;
    color: var(--gb-gray);
    font-family: monospace;
    margin-bottom: 12px;
}
.patent-product-link a {
    font-size: 0.8rem;
    color: var(--gb-primary);
    text-decoration: none;
}
/* 专利授权案例 */
.rd-strength {
    margin: 60px 0;
    background: var(--gb-light-bg);
    border-radius: 32px;
    padding: 48px 40px;
}
/* 故事与发明人栏目：左图右文，图片50%，文字50%，标题右对齐 */
.rd-strength-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
}
.rd-strength-container .rd-images {
    flex: 0 0 50%;
    width: 50%;
}
.rd-strength-container .rd-text {
    flex: 0 0 calc(50% - 20px);
    text-align: right;
}
/* 确保图片填满容器宽度 */
.rd-strength-container .rd-img-card img {
    width: 100%;
    height: auto;
    object-fit: cover;
}
.rd-text h3 {
    border-left: none;
    border-right: 4px solid var(--gb-primary);
    padding-left: 0;
    padding-right: 20px;
    text-align: right;
}
.rd-text p {
    color: var(--gb-gray);
    margin-bottom: 16px;
    line-height: 1.6;
}
.rd-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.rd-img-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--gb-shadow-md);
    transition: transform 0.3s ease;
}
.rd-img-card:hover {
    transform: scale(1.02);
}
.rd-img-card img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
}
.rd-img-card .img-caption {
    padding: 12px;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 500;
    background: white;
    color: var(--gb-dark);
}
.patent-row {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    margin-bottom: 48px;
    background: #ffffff;
    border-radius: 24px;
    padding: 28px;
    box-shadow: var(--gb-shadow-sm);
    border: 1px solid var(--gb-border);
    transition: all 0.3s;
}
.patent-row:hover {
    box-shadow: var(--gb-shadow-hover);
}
.patent-row.reverse {
    flex-direction: row-reverse;
}
.patent-text {
    flex: 1;
    min-width: 240px;
}
.patent-image {
    flex: 1;
    min-width: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.patent-image img {
    max-height: 640px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    border-radius: 16px;
}
.patent-text h4 {
    font-size: 1.4rem;.patent-number {
    font-family: monospace;
    background: #f0f4f8;
    display: inline-block;
    padding: 4px 10px;      /* 从6px 14px 调小 */
    border-radius: 30px;
    font-size: 0.85rem;
    margin: 4px 0 6px;      /* 从12px 0 16px 调小 */
    color: var(--gb-dark);
}
    color: var(--gb-primary);
    margin-bottom: 12px;
}


.patent-number {
    font-family: monospace;
    background: #f0f4f8;
    display: inline-block;
    padding: 4px 10px;      /* 从6px 14px 调小 */
    border-radius: 30px;
    font-size: 0.85rem;
    margin: 4px 0 6px;      /* 从12px 0 16px 调小 */
    color: var(--gb-dark);
}
.patent-auth {
    font-weight: 600;
    color: var(--gb-gold);
    margin: 12px 0 8px;
}
.patent-desc {
    color: var(--gb-gray);
    line-height: 1.6;
    margin-top: 12px;
}
/* FAQ 容器 */
.gibo-faq {
    margin: 60px 0;
}
/* CTA 表单 */
.cta-download {
    background: linear-gradient(135deg, #1b9b97 0%, #0d6d6a 100%);
    border-radius: 32px;
    padding: 48px 40px;
    color: white;
    margin: 50px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
}
.cta-text {
    flex: 1;
}
.cta-text h3 {
    font-size: 1.8rem;
    margin-bottom: 16px;
}
.cta-form {
    flex: 1;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(4px);
    border-radius: 28px;
    padding: 28px;
}
.cta-form .form-group {
    margin-bottom: 16px;
}
.cta-form input, .cta-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: none;
    border-radius: 40px;
    font-size: 0.9rem;
    background: white;
    font-family: inherit;
}
.cta-form button {
    width: 100%;
    background: var(--gb-primary);
    color: white;
    border: none;
    cursor: pointer;
    font-weight: 600;
    padding: 12px 32px;
    border-radius: 40px;
    font-size: 1rem;
    transition: all 0.3s;
}
.cta-form button:hover {
    background: white;
    color: var(--gb-primary);
    transform: translateY(-2px);
}
.form-error {
    color: #ffcccc;
    font-size: 0.75rem;
    display: none;
}
/* 悬浮按钮 */
.float-buttons {
    position: fixed;
    bottom: 30px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.float-btn {
    background: var(--gb-primary);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    transition: all 0.2s;
    font-size: 0.8rem;
}
.float-btn:hover {
    transform: scale(1.05);
    background: var(--gb-primary-dark);
}
/* 响应式微调 */
@media (max-width: 992px) {
    .patent-content {
        flex-direction: column;
        padding: 30px;
    }
    .patent-left {
        flex: auto;
        width: 100%;
    }
    .patent-right {
        width: 100%;
    }
    .rd-strength-container {
        flex-direction: column;
        gap: 30px;
    }
    .rd-strength-container .rd-images,
    .rd-strength-container .rd-text {
        flex: auto;
        width: 100%;
        text-align: left;
    }
    .rd-text h3 {
        border-left: 4px solid var(--gb-primary);
        border-right: none;
        padding-left: 20px;
        padding-right: 0;
        text-align: left;
    }
    .rd-images {
        width: 100%;
    }
}
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    .hero-tech {
        padding: 50px 0 40px;
    }
    .hero-tech h1 {
        font-size: 1.8rem;
    }
    .patent-title h2 {
        font-size: 1.3rem;
    }
    .rd-strength {
        padding: 30px 20px;
    }
    .rd-text h3 {
        font-size: 1.5rem;
    }
}
/* 隐藏右侧原有的更多按钮容器（如有） */
.more-btn-container {
    display: none;
}

/* ========== 产品故事板块样式（独立类名，无冲突） ========== */

/* 产品故事专用容器 */
.product-story {
    margin: 60px 0;
}

.product-story .story-header {
    text-align: center;
    margin-bottom: 40px;
}

.product-story .story-header h2 {
    font-size: 2rem;
    color: #1e2f3b;
    margin-bottom: 12px;
    font-weight: 600;
}

.product-story .story-header p {
    color: #5a6e7c;
    max-width: 700px;
    margin: 12px auto 0;
    font-size: 1rem;
}

/* 产品故事两栏容器 */
.product-story .story-container {
    display: flex;
    gap: 48px;
    align-items: flex-start;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

/* 左栏 - 图片卡片区域 */
.product-story .story-images {
    flex: 1.2;
    min-width: 260px;
}

.product-story .story-img-card {
    text-align: center;
    background: #f8fafc;
    border-radius: 24px;
    padding: 24px 20px 20px 20px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-story .story-img-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
}

.product-story .story-img-card img {
    width: 100%;
    max-width: 280px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 4px solid #1b9b97;
}

.product-story .img-caption {
    font-weight: 600;
    color: #1e2f3b;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

/* 专利列表区域 */
.product-story .patent-list {
    text-align: left;
    border-top: 1px solid #e2e8f0;
    padding-top: 10px;
    margin-top: 5px;
}

.product-story .patent-list-title {
    font-weight: 600;
    color: #1b9b97;
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.product-story .patent-item {
    margin-bottom: 12px;
    font-size: 0.85rem;
    line-height: 1.5;
    color: #334155;
}

.product-story .patent-name {
    font-weight: 600;
    margin-bottom: 2px;
}

.product-story .patent-number {
    font-size: 0.75rem;
    color: #64748b;
    word-break: break-all;
}

/* 右栏 - 文字内容区域 */
.product-story .story-text {
    flex: 2;
    min-width: 260px;
}

.product-story .story-text h3 {
    font-size: 1.6rem;
    color: #1e2f3b;
    margin-top: 0;
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.3;
}

.product-story .story-text p {
    font-size: 1rem;
    line-height: 1.7;
    color: #2d3a46;
    margin-bottom: 18px;
}

/* 引用文字样式 */
.product-story .story-quote {
    font-style: italic;
    border-left: 3px solid #1b9b97;
    padding-left: 16px;
    color: #446688;
    margin: 20px 0;
}

/* 按钮样式 */
.product-story .btn-story {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: #1b9b97;
    color: white;
    padding: 10px 28px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
    border: 1px solid #1b9b97;
    margin-top: 8px;
}

.product-story .btn-story:hover {
    background-color: #157f7c;
    border-color: #157f7c;
    color: white;
    text-decoration: none;
}

.product-story .btn-story:active {
    transform: scale(0.98);
}

/* ========== 产品故事响应式适配 ========== */
@media (max-width: 992px) {
    .product-story .story-container {
        gap: 36px;
        padding: 0 24px;
    }
    
    .product-story .story-text h3 {
        font-size: 1.4rem;
    }
}

@media (max-width: 768px) {
    .product-story .story-container {
        flex-direction: column;
        gap: 32px;
        padding: 0 20px;
    }
    
    .product-story .story-images,
    .product-story .story-text {
        flex: auto;
        width: 100%;
    }
    
    .product-story .story-img-card img {
        max-width: 220px;
    }
    
    .product-story .story-text h3 {
        font-size: 1.3rem;
    }
    
    .product-story .story-header h2 {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .product-story {
        margin: 40px 0;
    }
    
    .product-story .story-img-card {
        padding: 20px 16px;
    }
    
    .product-story .btn-story {
        padding: 8px 20px;
        font-size: 0.9rem;
    }
    
    .product-story .patent-item {
        font-size: 0.8rem;
    }
}