.solution-section {
    margin: 50px 0;
}

.icon-resource {
    display: inline-block;
    width: 50px;
    height: 50px;
    margin-bottom: 20px;
}

.icon-downloads {
    display: inline-block;
    width: 50px;
    height: 50px;
	background: url('../images/icon-downloads.png') no-repeat center / contain;
}

.icon-Packing-Information {
    display: inline-block;
    width: 50px;
    height: 50px;
	background: url('../images/icon-Packing-Information.png') no-repeat center / contain;
}
.icon-FAQ {
    display: inline-block;
    width: 50px;
    height: 50px;
	background: url('../images/icon-FAQ.png') no-repeat center / contain;
}
.icon-Parametric-Search {
    display: inline-block;
    width: 50px;
    height: 50px;
	background: url('../images/icon-Parametric-Search.png') no-repeat center / contain;
}
.icon-Sample-Request {
    display: inline-block;
    width: 50px;
    height: 50px;
	background: url('../images/icon-Sample-Request.png') no-repeat center / contain;
}
.resource-section {
    background-color: var(--light-bg);
}

/* ---------- 同级分类导航 ---------- */
.solutions-category-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 20px 0 40px;
    margin: 0;
    list-style: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    margin-bottom: 40px;
}

.solutions-category-nav li {
    margin: 0;
}

.solutions-category-nav a {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 40px;
    font-size: 0.97rem;
    font-weight: 600;
    color: var(--text-gray);
    background: var(--light-bg);
    transition: var(--transition);
    border: 1px solid transparent;
    text-decoration: none;
}

.solutions-category-nav a:hover {
    color: var(--primary);
    background: rgba(15, 73, 157, 0.06);
}

.solutions-category-nav a.active {
    color: var(--white);
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 4px 10px rgba(15, 73, 157, 0.2);
}

/* ---------- 网格标题 ---------- */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}


.section-desc {
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto;
}

/* ---------- 解决方案网格 (卡片) ---------- */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 30px;
}

.solution-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 32px rgba(15, 73, 157, 0.12);
    border-color: rgba(21, 157, 146, 0.2);
}

.solution-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

.solution-img {
    height: 220px;
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}

.solution-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.solution-card:hover .solution-img img {
    transform: scale(1.06);
}

.solution-body {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.solution-body h3 {
    font-size: 1.42rem;
    color: var(--primary);
    margin-bottom: 12px;
    font-weight: 700;
    line-height: 1.3;
}

.solution-body p {
    font-size: 1.05rem;
    color: var(--text-gray);
    margin-bottom: 20px;
    flex: 1;
    line-height: 1.7;
}

.solution-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 20px;
}

.solution-tags span {
    font-size: 0.82rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
    background: var(--light-bg);
    color: var(--text-gray);
    letter-spacing: 0.02em;
}

.solution-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 1.02rem;
    font-weight: 600;
    color: var(--accent);
    transition: var(--transition);
    margin-top: auto;
}

.solution-link i {
    transition: transform 0.3s ease;
}

.solution-card-link:hover .solution-link {
    gap: 12px;
    color: var(--accent-hover);
}

.solution-card-link:hover .solution-link i {
    transform: translateX(4px);
}



/* ---------- 响应式适配 ---------- */
@media (max-width: 1100px) {
    .solutions-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 900px) {

    .solutions-category-nav {
        gap: 4px;
        padding: 16px 0 30px;
    }

    .solutions-category-nav a {
        padding: 6px 16px;
        font-size: 0.85rem;
    }

    .section-header {
        margin-bottom: 36px;
    }

}

@media (max-width: 600px) {

    .banner-title {
        font-size: 1.85rem;
    }

    .solutions-grid {
        grid-template-columns: 1fr;
    }

    .solution-img {
        height: 180px;
    }

    .solution-body {
        padding: 20px;
    }

}

/* ============================================================
   FAQ 页面样式
   ============================================================ */

/* ---------- 覆盖/增强 page-banner ---------- */
.faq-banner {
    position: relative;
    padding: 80px 0 70px;
    background: linear-gradient(135deg, var(--primary, #0F499D) 0%, #1a6bc4 50%, var(--accent, #159D92) 100%);
    color: #fff;
    overflow: hidden;
    margin-top: 80px;
}

.faq-banner .page-banner-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: 0;
}

.faq-banner .page-banner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.05), transparent 60%);
    z-index: 1;
}

.faq-banner .page-banner-content {
    position: relative;
    z-index: 2;
}

.faq-banner .banner-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
    font-size: 0.97rem;
    opacity: 0.85;
    margin-bottom: 20px;
}

.faq-banner .banner-breadcrumb a {
    color: rgba(255, 255, 255, 0.85);
    transition: var(--transition, all 0.3s ease);
}

.faq-banner .banner-breadcrumb a:hover {
    color: #fff;
    opacity: 1;
}

.faq-banner .banner-breadcrumb .sep {
    opacity: 0.4;
    margin: 0 2px;
}

.faq-banner .banner-breadcrumb .current {
    color: #fff;
    font-weight: 500;
}

.faq-banner .banner-title {
    font-size: clamp(2.28rem, 4vw, 3.2rem);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.faq-banner .banner-desc {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    line-height: 1.7;
    margin: 0;
}

/* ---------- FAQ 布局 ---------- */
.faq-section {
    padding: 40px 0 60px;
    background: var(--light-bg, #F7F9FC);
}

.faq-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 40px;
    align-items: start;
}

.faq-container {
    overflow: visible;
}

/* ---------- 侧边栏 ---------- */
.faq-sidebar {
    background: #fff;
    border-radius: var(--radius, 10px);
    padding: 20px 16px;
    box-shadow: var(--shadow-card, 0 4px 16px rgba(0, 0, 0, 0.05));
    position: sticky;
    top: 100px;
}

.faq-sidebar-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-gray, #5A6B8A);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color, #E2E8F0);
    display: flex;
    align-items: center;
    gap: 8px;
}

.faq-sidebar-title i {
    color: var(--accent, #159D92);
}

.faq-sidebar-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.faq-sidebar-list li a {
    display: block;
    padding: 10px 14px;
    font-size: 1rem;
    color: var(--text-gray, #5A6B8A);
    border-radius: 6px;
    transition: var(--transition, all 0.3s ease);
    font-weight: 500;
    text-decoration: none;
}

.faq-sidebar-list li a:hover {
    background: var(--light-bg, #F7F9FC);
    color: var(--primary, #0F499D);
}

.faq-sidebar-list li a.active {
    background: rgba(21, 157, 146, 0.1);
    color: var(--accent, #159D92);
    font-weight: 600;
}

/* ---------- 内容区 ---------- */
.faq-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-category-title {
    font-size: 1.3rem;
    color: var(--primary, #0F499D);
    font-weight: 700;
    margin: 0 0 16px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color, #E2E8F0);
    display: flex;
    align-items: center;
    gap: 12px;
}

.faq-category-badge {
    display: inline-block;
    background: var(--accent, #159D92);
    color: #fff;
    padding: 2px 12px;
    border-radius: 20px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* ---------- 手风琴 ---------- */
.accordion-item {
    background: #fff;
    border-radius: var(--radius, 10px);
    border: 1px solid var(--border-color, #E2E8F0);
    overflow: hidden;
    transition: var(--transition, all 0.3s ease);
    margin-bottom: 13px;
}

.accordion-item:hover {
    border-color: rgba(21, 157, 146, 0.3);
}

.accordion-item.active {
    border-color: var(--accent, #159D92);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.accordion-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 24px;
    cursor: pointer;
    user-select: none;
    transition: background 0.2s ease;
}

.accordion-header:hover {
    background: rgba(21, 157, 146, 0.02);
}

.accordion-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--light-bg, #F7F9FC);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent, #159D92);
    /* 箭头颜色用 currentColor 继承 */
    flex-shrink: 0;
    transition: var(--transition, all 0.3s ease);
}

/* 纯 CSS 箭头：只保留右边框 + 下边框，再旋转 45° */
.accordion-icon::before {
    content: "";
    box-sizing: border-box;
    width: 8px;
    height: 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: translateY(-1px) rotate(45deg);
    /* 向下箭头，-1px 用于视觉居中 */
    transition: transform 0.35s ease;
}

.accordion-item.active .accordion-icon {
    background: var(--accent, #159D92);
    color: #fff;
    transform: rotate(180deg);
}

.accordion-question {
    flex: 1;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-dark, #1A2B4A);
    line-height: 1.4;
}

.accordion-item.active .accordion-question {
    color: var(--primary, #0F499D);
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-item.active .accordion-body {
    max-height: 1000px;
    /* 临时用大值，JS会动态覆盖为精确高度 */
}

/* 确保答案内容可见 */
.accordion-answer {
    padding: 0 24px 20px 70px;
    color: var(--text-gray, #5A6B8A);
    line-height: 1.7;
}

.accordion-answer ul {
    margin: 10px 0 10px 18px;
    list-style: disc;
}

.accordion-answer li {
    margin-bottom: 6px;
}

.accordion-answer a {
    color: var(--accent, #159D92);
    font-weight: 600;
}

.accordion-answer a:hover {
    text-decoration: underline;
}

/* 分类标题样式 */
.faq-category-wrapper {
    margin-bottom: 40px;
    scroll-margin-top: 100px;
    /* 滚动定位偏移，防止被固定header遮挡 */
}

.faq-question-count {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--text-gray);
    margin-left: 8px;
}

/* 侧边栏链接激活状态 */
.faq-nav-link.active {
    background: rgba(21, 157, 146, 0.1);
    color: var(--accent, #159D92);
    font-weight: 600;
}

/* ---------- 空状态 ---------- */
.faq-empty {
    text-align: center;
    padding: 40px 20px;
    background: #fff;
    border-radius: var(--radius, 10px);
    border: 1px dashed var(--border-color, #E2E8F0);
}

.faq-empty i {
    font-size: 2rem;
    color: var(--text-gray);
    opacity: 0.3;
    margin-bottom: 12px;
}

.faq-empty p {
    color: var(--text-gray, #5A6B8A);
    font-size: 1rem;
}

/* ---------- 分页 ---------- */
.faq-pagination {
    margin-top: 30px;
    text-align: center;
}


/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
    .faq-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .faq-sidebar {
        position: static;
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        padding: 16px;
    }

    .faq-sidebar-title {
        width: 100%;
        margin-bottom: 4px;
    }

    .faq-sidebar-list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 6px;
    }

    .faq-sidebar-list li a {
        padding: 6px 16px;
    }

    .accordion-answer {
        padding-left: 24px;
    }
}

@media (max-width: 600px) {
    .faq-banner {
        padding: 48px 0 40px;
    }

    .faq-banner .banner-title {
        font-size: 1.85rem;
    }

    .accordion-header {
        padding: 14px 18px;
    }


    .accordion-icon {
        width: 28px;
        height: 28px;
    }

    .accordion-icon::before {
        width: 6px;
        height: 6px;
        border-right-width: 2px;
        border-bottom-width: 2px;
    }

}

/* ============================================================
   下载列表样式（支持页面专用）
   ============================================================ */

/* ----- 容器 ----- */
.downloads-section {
    padding: 40px 0 60px;
    background: var(--light-bg, #F7F9FC);
}


/* ----- 下载列表 ----- */
.download-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: var(--white, #FFFFFF);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.download-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color, #E2E8F0);
    transition: all 0.3s ease;
}

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

.download-item:hover {
    background: rgba(21, 157, 146, 0.03);
}

/* ----- 图标 ----- */
.download-icon {
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}


/* ----- 信息区 ----- */
.download-info {
    flex: 1;
    min-width: 0;
}

.download-info h3 {
    color: var(--text-dark, #1A2B4A);
    font-weight: 600;
    line-height: 1.4;
    margin: 0;
}

/* ----- 按钮 ----- */
.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    background: var(--accent, #159D92);
    color: var(--white, #FFFFFF);
    border-radius: 5px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    text-decoration: none;
}

.btn-download:hover {
    background: var(--accent-hover, #0E7A72);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(21, 157, 146, 0.3);
    color: var(--white, #FFFFFF);
}

/* ============================================================
   快速链接样式
   ============================================================ */

.quick-links-section {
    padding: 50px 0;
    background: var(--white, #FFFFFF);
}

.quick-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

.quick-card {
    background: var(--light-bg, #F7F9FC);
    border-radius: 10px;
    padding: 28px 24px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.quick-card:hover {
    border-color: var(--accent, #159D92);
    background: var(--white, #FFFFFF);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}

.quick-card i {
    font-size: 1.8rem;
    margin-bottom: 4px;
}

.quick-card.packing i {
    color: var(--primary, #0F499D);
}

.quick-card.faq i {
    color: #E67E22;
}

.quick-card.search i {
    color: #8E44AD;
}

.quick-card.sample i {
    color: var(--accent, #159D92);
}

.quick-card h4 {
    font-size: 1rem;
    color: var(--primary, #0F499D);
    font-weight: 600;
    margin: 0;
}

.quick-card p {
    font-size: 0.95rem;
    color: var(--text-gray, #5A6B8A);
    line-height: 1.5;
    margin: 0;
}


/* ============================================================
   响应式适配
   ============================================================ */

@media (max-width: 900px) {
    .download-item {
        flex-wrap: wrap;
        gap: 10px;
        padding: 14px 18px;
    }

    .btn-download {
        width: 100%;
        justify-content: center;
    }

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

@media (max-width: 600px) {
    .download-icon {
        width: 34px;
        height: 34px;
        font-size: 0.9rem;
    }

    .download-info h3 {
        font-size: 0.95rem;
    }

    .cta-section h2 {
        font-size: 1.5rem;
    }

    .quick-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .quick-card {
        padding: 20px 16px;
    }

    .quick-card i {
        font-size: 1.4rem;
    }


}

/* ============================================================
   资源卡片网格
   ============================================================ */

.resource-style-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 28px;
    padding: 50px 0;
}

.resource-card {
    background: var(--white);
    border-radius: 14px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid transparent;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* 底部装饰条 */
.resource-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent, #159D92);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

/* hover 效果 */
.resource-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
    border-color: rgba(21, 157, 146, 0.15);
}

.resource-card:hover::after {
    transform: scaleX(1);
}

/* 卡片链接层 */
.resource-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
    padding: 36px 32px;
}

/* 标题 */
.resource-body {
    flex: 1;
    padding: 0;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark, #1A2B4A);
    line-height: 1.3;
    margin-bottom: 10px;
}

/* 按钮链接 */
.resource-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent, #159D92);
    transition: var(--transition);
    margin-top: auto;
}

.resource-card-link:hover .resource-link {
    gap: 10px;
    color: var(--accent-hover, #0E7A72);
}

.resource-card-link:hover .resource-link i {
    transform: translateX(4px);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
    .resource-style-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 24px;
    }
}

@media (max-width: 900px) {
    .resource-style-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .resource-card-link {
        padding: 28px 24px;
    }

    .resource-body {
        font-size: 1.05rem;
    }
}

@media (max-width: 600px) {
    .resource-style-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .resource-card-link {
        padding: 24px 20px;
    }

    .resource-body {
        font-size: 1rem;
    }

    .resource-link {
        font-size: 0.9rem;
    }
}