/* ============================================
   中美日科技 - 全局样式（苹果简介风）
   ============================================ */

/* ----- 基础重置 ----- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-black: #1a1a1a;
    --color-white: #ffffff;
    --color-gray-bg: #f5f5f7;
    --color-gray-text: #86868b;
    --color-blue: #007aff;
    --color-border: #e5e5ea;
    --font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --max-width: 1200px;
    --spacing-section: 80px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-system);
    color: var(--color-black);
    background: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ----- 导航栏 ----- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    height: 64px;
    display: flex;
    align-items: center;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 100%;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 18px;
    color: var(--color-black);
}

.logo img {
    height: 64px;
    width: auto;
}

.main-nav ul {
    display: flex;  /* 导致所有 ul 里的 li 都横向排列 */
    list-style: none;
    gap: 28px;
    margin: 0;
    padding: 0;
}

.main-nav a {
    font-size: 14px;
    color: var(--color-black);
    transition: color 0.2s;
    padding: 6px 0;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-blue);
}

/* 下拉菜单 */
.has-dropdown {
    position: relative;
}

.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    padding: 8px 0;
    margin: 0;
    list-style: none;
    background: #ffffff;
    border: 1px solid #e5e5ea;
    border-radius: 8px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    
    /* 隐藏 */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;

    /* ✅ 关键：覆盖继承的 flex，改为 block */
    display: block !important;
}

/* ✅ 关键：强制下拉菜单的 li 纵向排列 */
.dropdown li {
    display: block !important;   /* 覆盖父级 flex 的影响 */
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    float: none !important;      /* 防止任何浮动影响 */
}

.dropdown li a {
    display: block;
    padding: 10px 24px;
    font-size: 14px;
    color: var(--color-black);
    transition: background 0.2s, color 0.2s;
    white-space: nowrap;
}

.dropdown li a:hover {
    background: var(--color-gray-bg);
    color: var(--color-blue);
}

/* 悬停时显示 */
.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
}
 
.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--color-gray-bg);
    border-radius: 20px;
    padding: 4px 12px;
}

.search-box input {
    border: none;
    background: transparent;
    padding: 6px 0;
    font-size: 14px;
    outline: none;
    width: 120px;
    font-family: inherit;
}

.search-box button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
}

.lang-switch {
    font-size: 14px;
    color: var(--color-gray-text);
    white-space: nowrap;
}

.lang-switch a {
    padding: 0 4px;
}

.lang-switch a.active {
    color: var(--color-black);
    font-weight: 600;
}

.lang-switch .divider {
    color: var(--color-border);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}

/* ----- 首页 Hero ----- */
.hero {
    padding-top: 120px;
    padding-bottom: 60px;
    background: var(--color-gray-bg);
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 44px;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.hero-title .highlight {
    color: var(--color-blue);
}

.hero-subtitle {
    font-size: 22px;
    font-weight: 400;
    color: var(--color-gray-text);
    margin-bottom: 12px;
}

.hero-desc {
    font-size: 16px;
    color: var(--color-gray-text);
    max-width: 440px;
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.btn-primary {
    background: var(--color-blue);
    color: var(--color-white);
}

.btn-primary:hover {
    background: #0066d9;
    transform: scale(1.02);
}

.btn-outline {
    background: transparent;
    color: var(--color-black);
    border: 1.5px solid var(--color-black);
}

.btn-outline:hover {
    background: var(--color-black);
    color: var(--color-white);
}

.hero-image {
    border-radius: 16px;
    overflow: hidden;
    background: var(--color-border);
}

.hero-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* =============================================
   Hero 轮播样式
   ============================================= */

.hero-image {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    background: #1a1a2e;
    min-height: 320px; 
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 320px;
    overflow: hidden;
}

.slider-track {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
}

.slider-slide {
    flex: 0 0 100%;
    height: 100%;
    min-height: 320px;
    object-fit: contain;
    object-position: center;
}

.slider-slide img {
    width: 100%;
    height: 100%;
    display: block;
    user-select: none;
}

/* ===== 指示点 ===== */
.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
    background: rgba(0, 0, 0, 0.4);
    padding: 8px 14px;
    border-radius: 30px;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    padding: 0;
    outline: none;
}

.slider-dot:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

.slider-dot.active {
    background: #fff;
    transform: scale(1.2);
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.4);
}

/* ===== 左右箭头 ===== */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    user-select: none;
}

.slider-arrow:hover {
    background: rgba(0, 0, 0, 0.7);
    transform: translateY(-50%) scale(1.05);
}

.slider-arrow.prev {
    left: 14px;
}

.slider-arrow.next {
    right: 14px;
}

/* ===== 单张图片时隐藏指示点和箭头 ===== */
.hero-slider.single .slider-dots,
.hero-slider.single .slider-arrow {
    display: none !important;
}

/* ===== 移动端适配 ===== */
@media (max-width: 768px) {
    .hero-image {
        min-height: 220px;
        border-radius: 12px;
    }

    .hero-slider {
        min-height: 220px;
    }

    .slider-slide {
        min-height: 220px;
    }

    .slider-dots {
        bottom: 12px;
        padding: 6px 12px;
        gap: 8px;
    }

    .slider-dot {
        width: 8px;
        height: 8px;
    }

    .slider-arrow {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

    .slider-arrow.prev {
        left: 8px;
    }

    .slider-arrow.next {
        right: 8px;
    }
}

@media (max-width: 480px) {
    .hero-image {
        min-height: 170px;
        border-radius: 8px;
    }

    .hero-slider {
        min-height: 170px;
    }

    .slider-slide {
        min-height: 170px;
    }

    .slider-dots {
        bottom: 8px;
        padding: 4px 10px;
        gap: 6px;
    }

    .slider-dot {
        width: 6px;
        height: 6px;
    }

    .slider-arrow {
        width: 26px;
        height: 26px;
        font-size: 12px;
    }

    .slider-arrow.prev {
        left: 4px;
    }

    .slider-arrow.next {
        right: 4px;
    }
}

/* ----- 数字背书 ----- */
.stats {
    padding: 50px 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
}

.stats-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-black);
}

.stat-label {
    font-size: 14px;
    color: var(--color-gray-text);
}

/* ----- 通用区块标题 ----- */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 34px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--color-gray-text);
}

.section-footer {
    text-align: center;
    margin-top: 40px;
}

/* ----- 产品展示区（首页） ----- */
.products-section {
    padding: var(--spacing-section) 0;
    background: var(--color-white);
}

.category-block {
    margin-bottom: 50px;
}

.category-block:last-child {
    margin-bottom: 0;
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.category-header .category-icon {
    font-size: 24px;
    margin-right: 8px;
}

.category-title {
    font-size: 22px;
    font-weight: 600;
    display: inline-block;
}

.category-desc {
    font-size: 14px;
    color: var(--color-gray-text);
    margin-top: 2px;
}

.view-all {
    font-size: 14px;
    color: var(--color-blue);
    font-weight: 500;
    white-space: nowrap;
}

.view-all:hover {
    text-decoration: underline;
}

.category-products {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* ----- 产品卡片 ----- */
.product-card {
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.25s ease;
    background: var(--color-white);
    display: block;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}

.product-card .product-image {
    width: 100%;
    height: 180px;
    background: var(--color-gray-bg);
    object-fit: cover;
}

.product-card .product-info {
    padding: 16px 18px 18px;
}

.product-card .product-name {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card .product-spec {
    font-size: 13px;
    color: var(--color-gray-text);
}

/* 小卡片（首页分类内使用） */
.product-card.small .product-image {
    height: 180px;
    object-fit: cover;
}

.product-card.small .product-info {
    padding: 12px 14px 14px;
}

.product-card.small .product-name {
    font-size: 14px;
}

/* ----- 核心优势 ----- */
.advantages {
    padding: var(--spacing-section) 0;
    background: var(--color-gray-bg);
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.advantage-card {
    padding: 40px 32px;
    background: var(--color-white);
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--color-border);
}

.advantage-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.advantage-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.advantage-card p {
    font-size: 15px;
    color: var(--color-gray-text);
    line-height: 1.7;
}

/* ----- 关于我们摘要 ----- */
.about-summary {
    padding: var(--spacing-section) 0;
    background: var(--color-white);
}

.about-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    border-radius: 16px;
    overflow: hidden;
    background: var(--color-border);
}

.about-image img {
    width: 100%;
    height: 340px;
    object-fit: cover;
}

.about-tagline {
    font-size: 20px;
    font-weight: 500;
    color: var(--color-blue);
    margin: 8px 0 16px;
}

.about-text {
    font-size: 15px;
    color: var(--color-gray-text);
    margin-bottom: 16px;
    line-height: 1.8;
}

/* ----- 分类列表页 ----- */
.category-page {
    padding: 100px 0 60px;
    background: var(--color-white);
}

.category-banner {
    padding: 40px 0 30px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 40px;
}

.category-banner h1 {
    font-size: 34px;
    font-weight: 700;
    margin-bottom: 6px;
}

.category-banner p {
    font-size: 18px;
    color: var(--color-gray-text);
}

.category-banner .product-count {
    font-size: 14px;
    color: var(--color-gray-text);
    margin-top: 8px;
}

/* ----- 全部产品页 ----- */
.all-products-page {
    padding: 100px 0 60px;
    background: var(--color-white);
}

.page-header {
    padding: 20px 0 30px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 40px;
}

.page-header h1 {
    font-size: 34px;
    font-weight: 700;
    margin-bottom: 4px;
}

.page-header p {
    font-size: 16px;
    color: var(--color-gray-text);
}

.category-group {
    margin-bottom: 40px;
}

.group-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}

.group-products {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* ----- 产品详情页 ----- */
.product-detail-page {
    padding: 100px 0 60px;
    background: var(--color-white);
}

/* 面包屑 */
.breadcrumb {
    padding: 16px 0 20px;
    font-size: 14px;
    color: var(--color-gray-text);
}

.breadcrumb a {
    color: var(--color-gray-text);
    transition: color 0.2s;
}

.breadcrumb a:hover {
    color: var(--color-blue);
}

.breadcrumb .sep {
    margin: 0 8px;
    color: var(--color-border);
}

.breadcrumb .current {
    color: var(--color-black);
    font-weight: 500;
}

.product-detail-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

/* 图片区 */
.product-gallery {
    position: sticky;
    top: 100px;
}

.main-image {
    border-radius: 16px;
    overflow: hidden;
    background: var(--color-gray-bg);
    aspect-ratio: 1/1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.thumbnails {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.thumbnails img {
    width: 72px;
    height: 72px;
    border-radius: 8px;
    object-fit: cover;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.2s;
    background: var(--color-gray-bg);
}

.thumbnails img:hover,
.thumbnails img.active {
    border-color: var(--color-blue);
}

.product-tag {
    display: inline-block;
    padding: 2px 14px;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-blue);
    background: rgba(0, 122, 255, 0.1);
    border-radius: 20px;
    margin-bottom: 8px;
}

.product-title {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

.product-model {
    font-size: 15px;
    color: var(--color-gray-text);
    margin-bottom: 20px;
}

.product-params {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 24px;
    margin-bottom: 28px;
    background: var(--color-gray-bg);
    padding: 20px 24px;
    border-radius: 12px;
}

.product-params dl {
    display: flex;
    padding: 6px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.product-params dl:nth-last-child(-n+2) {
    border-bottom: none;
}

.product-params dt {
    font-size: 14px;
    color: var(--color-gray-text);
    min-width: 70px;
    font-weight: 400;
}

.product-params dd {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-black);
}

.product-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.product-action-tip {
    font-size: 13px;
    color: var(--color-gray-text);
    margin-top: 12px;
}

.product-description-section {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--color-border);
}

.product-description-section h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.product-description-section p {
    font-size: 15px;
    color: var(--color-gray-text);
    line-height: 1.8;
}
.product-description-section ol {
    margin: 12px 0 12px 24px;
    font-size: 15px;
    color: var(--color-gray-text);
    line-height: 1.8;
}
.product-description-section ol li {
    margin-bottom: 8px;
}
.product-features-list {
    margin: 12px 0 12px 24px;
    font-size: 15px;
    color: var(--color-gray-text);
    line-height: 1.8;
}
.product-features-list li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 8px;
}
.product-features-list li::marker {
    color: var(--color-blue);
    font-weight: 600;
}

/* 图文详情 - 紧凑版 */
.product-rich-detail {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}
.product-rich-detail .rich-img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 16px auto;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
.product-rich-detail .rich-text {
    font-size: 15px;
    color: var(--color-gray-text);
    line-height: 1.6;
    margin-bottom: 16px;
}
.product-rich-detail .rich-text p {
    margin: 0 0 12px;
    line-height: 1.6;
}
.product-rich-detail .rich-text h4 {
    font-size: 17px;
    color: var(--color-black);
    margin: 20px 0 10px;
    font-weight: 600;
    line-height: 1.4;
}
.product-rich-detail .rich-text ul {
    margin: 8px 0 8px 20px;
    padding: 0;
}
.product-rich-detail .rich-text li {
    margin-bottom: 4px;
    line-height: 1.6;
    list-style: disc;
}
.product-rich-detail .rich-text strong {
    color: var(--color-black);
}

/* ----- 页脚 ----- */
.site-footer {
    background: var(--color-black);
    color: rgba(255, 255, 255, 0.7);
    padding-top: 50px;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
    font-size: 14px;
    margin-top: 6px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-contact {
    margin-top: 16px;
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-links h4 {
    color: var(--color-white);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
}

.footer-links a {
    display: block;
    font-size: 14px;
    margin-bottom: 4px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding: 16px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
    color: var(--color-white);
}

/* ========== 关于我们页面专属样式 ========== */

/* 页面横幅 */
.page-banner {
    padding: 120px 0 60px;
    background: var(--color-gray-bg);
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.page-banner h1 {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.page-banner p {
    font-size: 20px;
    color: var(--color-gray-text);
}

/* 公司简介 */
.about-story {
    padding: 80px 0;
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.about-text p {
    font-size: 16px;
    color: var(--color-gray-text);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-text strong {
    color: var(--color-black);
    font-weight: 600;
}

.about-image img {
    width: 100%;
    border-radius: 16px;
    background: var(--color-gray-bg);
    aspect-ratio: 4/3;
    object-fit: cover;
}

/* 数据统计 */
.about-stats {
    padding: 60px 0;
    background: var(--color-gray-bg);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stats-grid .stat-number {
    font-size: 40px;
    font-weight: 700;
    color: var(--color-black);
    display: block;
}

.stats-grid .stat-label {
    font-size: 14px;
    color: var(--color-gray-text);
}

/* 愿景使命 */
.about-vision {
    padding: 80px 0;
    background: var(--color-white);
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.vision-card {
    padding: 40px 32px;
    text-align: center;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    background: var(--color-white);
    transition: border-color 0.2s;
}

.vision-card:hover {
    border-color: var(--color-blue);
}

.vision-icon {
    font-size: 40px;
    margin-bottom: 12px;
}

.vision-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.vision-card p {
    font-size: 15px;
    color: var(--color-gray-text);
    line-height: 1.6;
}

.vision-card .vision-desc {
    font-size: 14px;
    color: var(--color-gray-text);
    margin-top: 8px;
    opacity: 0.7;
}

/* 团队风采 */
.about-team {
    padding: 80px 0;
    background: var(--color-gray-bg);
}

.about-team h2 {
    text-align: center;
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 4px;
}

.team-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--color-gray-text);
    margin-bottom: 40px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.team-card {
    background: var(--color-white);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: transform 0.2s;
}

.team-card:hover {
    transform: translateY(-4px);
}

.team-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--color-gray-bg);
}

.team-card h4 {
    font-size: 16px;
    font-weight: 600;
    padding: 16px 20px 4px;
}

.team-card p {
    font-size: 14px;
    color: var(--color-gray-text);
    padding: 0 20px 20px;
    line-height: 1.5;
}

/* 工厂实拍 */
.about-factory {
    padding: 80px 0;
    background: var(--color-white);
}

.about-factory h2 {
    text-align: center;
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 4px;
}

.factory-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--color-gray-text);
    margin-bottom: 40px;
}

.factory-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.factory-item {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    background: var(--color-white);
    transition: transform 0.2s;
}

.factory-item:hover {
    transform: translateY(-4px);
}

.factory-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: var(--color-gray-bg);
}

.factory-item p {
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    padding: 12px 0;
    margin: 0;
}

/* CTA 区域 */
.about-cta {
    padding: 80px 0;
    background: var(--color-gray-bg);
    border-top: 1px solid var(--color-border);
}

.cta-box {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 40px;
    background: var(--color-white);
    border-radius: 16px;
    border: 1px solid var(--color-border);
}

.cta-box h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.cta-box p {
    font-size: 16px;
    color: var(--color-gray-text);
    margin-bottom: 24px;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .team-grid,
    .factory-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .vision-grid {
        grid-template-columns: 1fr;
    }
    .team-grid,
    .factory-grid {
        grid-template-columns: 1fr 1fr;
    }
    .page-banner h1 {
        font-size: 30px;
    }
    .stats-grid .stat-number {
        font-size: 30px;
    }
    .cta-box {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .team-grid,
    .factory-grid {
        grid-template-columns: 1fr;
    }
    .team-card img,
    .factory-item img {
        height: 150px;
    }
}

/* ========== 联系我们页面专属样式 ========== */

/* 联系信息卡片 */
.contact-info-section {
    padding: 60px 0;
    background: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.contact-card {
    text-align: center;
    padding: 32px 20px;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    transition: border-color 0.2s, transform 0.2s;
    background: var(--color-white);
}

.contact-card:hover {
    border-color: var(--color-blue);
    transform: translateY(-4px);
}

.contact-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.contact-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.contact-card p {
    font-size: 15px;
    color: var(--color-gray-text);
    line-height: 1.6;
}

.contact-card a {
    color: var(--color-black);
    text-decoration: none;
    transition: color 0.2s;
}

.contact-card a:hover {
    color: var(--color-blue);
}

/* 联系表单 + 地图 */
.contact-form-section {
    padding: 60px 0 80px;
    background: var(--color-gray-bg);
}

.form-map-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.form-wrapper h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.form-wrapper > p {
    font-size: 15px;
    color: var(--color-gray-text);
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    background: var(--color-white);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-blue);
}

.form-group textarea {
    resize: vertical;
}

.map-wrapper h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.map-container {
    border-radius: 12px;
    overflow: hidden;
    background: var(--color-border);
}

.map-tip {
    margin-top: 12px;
    font-size: 14px;
    color: var(--color-gray-text);
}

.map-tip strong {
    color: var(--color-black);
}

/* 招聘信息 */
.career-section {
    padding: 80px 0;
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
}

.career-section h2 {
    text-align: center;
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 4px;
}

.career-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--color-gray-text);
    margin-bottom: 40px;
}

.career-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.career-card {
    padding: 32px 28px;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    transition: border-color 0.2s, transform 0.2s;
    background: var(--color-white);
}

.career-card:hover {
    border-color: var(--color-blue);
    transform: translateY(-4px);
}

.career-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.career-tag {
    display: inline-block;
    padding: 2px 12px;
    font-size: 12px;
    color: var(--color-gray-text);
    background: var(--color-gray-bg);
    border-radius: 20px;
    margin-right: 6px;
}

.career-desc {
    font-size: 14px;
    color: var(--color-gray-text);
    line-height: 1.6;
    margin: 12px 0 16px;
}

.career-btn {
    font-size: 14px;
    color: var(--color-blue);
    font-weight: 500;
    text-decoration: none;
}

.career-btn:hover {
    text-decoration: underline;
}


/* ========== 客户案例页面专属样式 ========== */

.cases-list {
    padding: 60px 0 40px;
    background: var(--color-white);
}

.case-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--color-border);
}

.case-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.case-item.reverse {
    direction: rtl;
}

.case-item.reverse .case-content {
    direction: ltr;
}

.case-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 16px;
    background: var(--color-gray-bg);
}

.case-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.case-tag {
    display: inline-block;
    padding: 2px 14px;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-blue);
    background: rgba(0, 122, 255, 0.08);
    border-radius: 20px;
    margin-bottom: 12px;
    align-self: flex-start;
}

.case-content h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.case-content p {
    font-size: 15px;
    color: var(--color-gray-text);
    line-height: 1.8;
    margin-bottom: 12px;
}

.case-meta {
    display: flex;
    gap: 24px;
    font-size: 13px;
    color: var(--color-gray-text);
    margin-top: 8px;
}

.cases-cta {
    padding: 60px 0 80px;
    background: var(--color-gray-bg);
}

.cases-cta .cta-box {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 40px;
    background: var(--color-white);
    border-radius: 16px;
    border: 1px solid var(--color-border);
}

.cases-cta .cta-box h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.cases-cta .cta-box p {
    font-size: 16px;
    color: var(--color-gray-text);
    margin-bottom: 24px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}


/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .career-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .form-map-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .case-item {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .case-item.reverse {
        direction: ltr;
    }
    .case-image img {
        height: 200px;
    }
    .career-grid {
        grid-template-columns: 1fr;
    }
    .cases-cta .cta-box {
        padding: 24px;
    }
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    .cta-buttons .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .contact-card {
        padding: 24px 16px;
    }
    .case-content h2 {
        font-size: 20px;
    }
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 36px;
    }
    .stats-inner {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .category-products,
    .group-products {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    /* 顶部右侧快捷工具条 - 移动端避开 header 菜单按钮 */
    .top-tools {
        top: auto !important;
        bottom: 10px !important;
        right: 10px !important;
        z-index: 999 !important;
    }

    /* 导航栏移动端调整 */
    .header-right .search-box,
    .header-right .lang-switch {
        display: none;
    }

    /* Logo 移动端适配：缩小图片，防止撑高 header */
    .logo img {
        height: 40px !important;
    }
    .logo a {
        font-size: 16px !important;
        gap: 8px !important;
    }

    /* 导航 */
    .main-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--color-white);
        border-bottom: 1px solid var(--color-border);
        padding: 16px 24px;
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    }

    .main-nav.open {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 12px;
    }

    .menu-toggle {
        display: block;
    }

    .search-box input {
        width: 80px;
    }

    /* 首页 */
    .hero {
        padding-top: 100px;
        min-height: auto;
    }
    .hero-inner,
    .about-inner,
    .product-detail-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .hero-title {
        font-size: 30px;
    }

    .category-products,
    .group-products {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

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

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

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    /* 详情页 */
    .product-params {
        grid-template-columns: 1fr;
    }
    .product-params dl {
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        padding: 8px 0;
    }
    .product-params dl:last-child {
        border-bottom: none;
    }
    .product-title {
        font-size: 24px;
    }
    .product-gallery {
        position: static;
    }

    /* 分类页 */
    .category-page {
        padding-top: 80px;
    }
    .category-banner h1 {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    /* 顶部工具条在超小屏进一步调整 */
    .top-tools {
        bottom: 10px !important;
        right: 10px !important;
        z-index: 999 !important;
    }
    .category-products,
    .group-products {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .product-card .product-image,
    .product-card.small .product-image {
        /*width: 100%;
        height: 180px;*/
        object-fit: cover;
    }
    .product-card .product-info {
        padding: 12px;
    }
    
    .hero-title {
        font-size: 24px;
    }
    .stat-number {
        font-size: 28px;
    }
    .section-title {
        font-size: 26px;
    }
    .product-title {
        font-size: 20px;
    }
    .product-actions {
        flex-direction: column;
    }
    .product-actions .btn {
        width: 100%;
        text-align: center;
    }
    .thumbnails img {
        width: 56px;
        height: 56px;
    }
}

/* ========== 解决方案页面专属样式 ========== */

/* 页面介绍 */
.solutions-intro {
    padding: 60px 0 40px;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
}

.intro-box {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.intro-text {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-black);
    margin-bottom: 12px;
}

.intro-sub {
    font-size: 18px;
    color: var(--color-gray-text);
}

/* 解决方案列表 */
.solutions-list {
    padding: 60px 0 20px;
    background: var(--color-white);
}

.solution-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--color-border);
    align-items: center;
}

.solution-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.solution-item.reverse {
    direction: rtl;
}

.solution-item.reverse .solution-content {
    direction: ltr;
}

.solution-image img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: 16px;
    background: var(--color-gray-bg);
}

.solution-tag {
    display: inline-block;
    padding: 2px 14px;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-blue);
    background: rgba(0, 122, 255, 0.08);
    border-radius: 20px;
    margin-bottom: 12px;
    align-self: flex-start;
}

.solution-content h2 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.solution-content > p {
    font-size: 15px;
    color: var(--color-gray-text);
    line-height: 1.8;
    margin-bottom: 16px;
}

.solution-points {
    list-style: none;
    padding: 0;
    margin: 0 0 16px 0;
}

.solution-points li {
    font-size: 14px;
    color: var(--color-gray-text);
    padding: 4px 0;
    line-height: 1.6;
}

.solution-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-blue);
    text-decoration: none;
}

.solution-link:hover {
    text-decoration: underline;
}

/* 定制流程 */
.solutions-process {
    padding: 80px 0;
    background: var(--color-gray-bg);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.solutions-process h2 {
    text-align: center;
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 4px;
}

.process-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--color-gray-text);
    margin-bottom: 40px;
}

.process-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    flex: 1;
    min-width: 140px;
    text-align: center;
    padding: 24px 16px;
    background: var(--color-white);
    border-radius: 16px;
    border: 1px solid var(--color-border);
}

.step-number {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: var(--color-blue);
    margin-bottom: 8px;
}

.step h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
}

.step p {
    font-size: 13px;
    color: var(--color-gray-text);
    line-height: 1.5;
    margin: 0;
}

.step-arrow {
    font-size: 24px;
    color: var(--color-gray-text);
    padding: 0 8px;
    flex-shrink: 0;
}

.process-cta {
    text-align: center;
    margin-top: 32px;
}

/* 为什么选择我们 */
.solutions-why {
    padding: 80px 0;
    background: var(--color-white);
}

.solutions-why h2 {
    text-align: center;
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 40px;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.why-card {
    padding: 32px 28px;
    text-align: center;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    transition: border-color 0.2s, transform 0.2s;
    background: var(--color-white);
}

.why-card:hover {
    border-color: var(--color-blue);
    transform: translateY(-4px);
}

.why-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.why-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.why-card p {
    font-size: 14px;
    color: var(--color-gray-text);
    line-height: 1.6;
    margin: 0;
}

/* CTA 区域 */
.solutions-cta {
    padding: 80px 0;
    background: var(--color-gray-bg);
    border-top: 1px solid var(--color-border);
}

.solutions-cta .cta-box {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 40px;
    background: var(--color-white);
    border-radius: 16px;
    border: 1px solid var(--color-border);
}

.solutions-cta .cta-box h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.solutions-cta .cta-box p {
    font-size: 16px;
    color: var(--color-gray-text);
    margin-bottom: 24px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== 顶部右侧快捷工具条 ===== */
.top-tools {
  position: fixed;
  top: 10px;
  right: 10px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.top-tools a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.25);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 8px;
  color: #333;
  font-size: 18px;
  text-decoration: none;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
  transition: background 0.2s, transform 0.1s, border-color 0.2s, box-shadow 0.2s;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  cursor: pointer;
  line-height: 1;
}
.top-tools a svg { display: block; }
.top-tools a:hover {
  background: rgba(255,255,255,0.6);
  border-color: rgba(255,255,255,0.8);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  animation: pulse-bg 1.5s ease-in-out infinite;
}
.top-tools a:active { transform: scale(0.95); }
.top-tools a svg { display: block; }

/* ===== 右侧固定联系工具条 ===== */
.float-contact {
  position: fixed;
  top: 120px;
  right: 0;
  z-index: 9998;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px 8px;
  background: rgba(255,255,255,0.15);
  border-left: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px 0 0 8px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.float-contact a {
  position: relative;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  color: #007aff;
  font-size: 20px;
  text-decoration: none;
  box-shadow: 0 2px 4px rgba(0,0,0,0.06);
  transition: background 0.2s, transform 0.1s, border-color 0.2s;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  line-height: 1;
}
.float-contact a::before {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid #007aff;
  opacity: 0;
  animation: pulse-ring 1.8s ease-out infinite;
  pointer-events: none;
}
.float-contact a:hover {
  background: rgba(0,122,255,0.25);
  border-color: #007aff;
  transform: scale(1.15);
  animation: pulse-bg 1s ease-in-out infinite;
}
.float-contact a:hover::before { opacity: 1; }
.float-contact a::after {
  content: attr(title);
  position: absolute;
  right: 60px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.75);
  color: #fff;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.float-contact a:hover::after { opacity: 1; }

/* 微信按钮特殊处理：悬停显示二维码（通过 data-qrcode 属性指定图片） */
.float-contact a.contact-wechat::after {
  content: "";
  position: absolute;
  left: -200px;
  top: 50%;
  transform: translateY(-50%);
  width: 180px;
  height: 180px;
  background-image: var(--qr, none);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 1000;
}
.float-contact a.contact-wechat:hover::after,
.float-contact a.contact-wechat.qr-open::after {
  opacity: 1;
  transform: translateY(-50%) scale(1.05);
}

/* 电话按钮保留文字提示 */
.float-contact a.contact-phone::after {
  content: attr(title);
  position: absolute;
  right: 60px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.75);
  color: #fff;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.float-contact a.contact-phone:hover::after { opacity: 1; }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .process-steps {
        flex-direction: column;
        gap: 12px;
    }
    .step-arrow {
        transform: rotate(90deg);
        padding: 4px 0;
    }
    .step {
        width: 100%;
        max-width: 320px;
    }
}

@media (max-width: 768px) {
    .solution-item {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-bottom: 40px;
        padding-bottom: 40px;
    }
    .solution-item.reverse {
        direction: ltr;
    }
    .solution-image img {
        height: 200px;
    }
    .intro-text {
        font-size: 20px;
    }
    .why-grid {
        grid-template-columns: 1fr;
    }
    .solutions-cta .cta-box {
        padding: 24px;
    }
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    .cta-buttons .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .solution-content h2 {
        font-size: 20px;
    }
    .solution-points li {
        font-size: 13px;
    }
}
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
@media (max-width: 1200px) {
    .product-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
    .product-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .product-grid { grid-template-columns: repeat(2, 1fr); }
}