/* ============================================
   Midwel 官网 - 主样式表
   设计风格：超大标题 + 大间距 + 红黑配色 + 精致排版
   ============================================ */

/* 变量定义 */
:root {
    --primary: #C8102E;
    --primary-dark: #A00D24;
    --primary-light: #FFE8EC;
    --dark: #1A1A1A;
    --dark-2: #2D2D2D;
    --gray-1: #F8F9FA;
    --gray-2: #E9ECEF;
    --gray-3: #DEE2E6;
    --gray-4: #ADB5BD;
    --gray-5: #6C757D;
    --gray-6: #212529;
    --white: #FFFFFF;
    --border: #E9ECEF;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    --max-width: 1280px;
}

/* 重置 */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-5);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: all 0.3s ease; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { color: var(--dark); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }

/* 容器 */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* ============================================
   导航栏
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: all 0.3s ease;
    padding: 24px 0;
}
.navbar.scrolled {
    background: rgba(255,255,255,0.98);
    box-shadow: var(--shadow-sm);
    padding: 16px 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
}
.nav-logo {
    display: flex;
    align-items: flex-end;
    min-width: 140px;
    overflow: visible;
}
.nav-menu {
    display: flex;
    align-items: flex-end;
    gap: 36px;
    margin: 0 0 4px 48px;
    padding: 0;
    list-style: none;
}
.nav-cta {
    margin-left: auto;
    margin-bottom: 4px;
}
.logo-img {
    height: 52px;
    width: auto;
    min-width: 150px;
    object-fit: contain;
    display: block;
    filter: brightness(0) invert(1) drop-shadow(rgba(0, 0, 0, 0.4) 0px 2px 6px);
    transition: filter 0.3s ease, height 0.3s ease;
}
.navbar.scrolled .logo-img { 
    height: 52px; 
    filter: none;
}

/* Footer Logo - 深色背景下显示白色 */
.footer-logo-img {
    height: 36px;
    width: auto;
    object-fit: contain;
    display: block;
    filter: brightness(0) invert(1) drop-shadow(rgba(0, 0, 0, 0.4) 0px 2px 6px);
}

.nav-item {
    position: relative;
}
.nav-link {
    font-size: 17px;
    font-weight: 500;
    color: var(--white);
    letter-spacing: 0.02em;
    padding: 0;
    display: block;
    cursor: pointer;
    text-decoration: none;
    transition: color 0.3s ease;
    line-height: 1.2;
}
.navbar.scrolled .nav-link { color: var(--dark); }
.nav-link:hover { color: var(--primary); }
.nav-item.active > .nav-link { color: var(--primary); }

/* 专业SVG图标样式 */
.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(200,16,46,0.08) 0%, rgba(200,16,46,0.04) 100%);
    border: 1px solid rgba(200,16,46,0.15);
    border-radius: 14px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}
.feature-icon svg {
    width: 28px;
    height: 28px;
    stroke: #C8102E;
    stroke-width: 1.5;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.feature-card:hover .feature-icon {
    background: linear-gradient(135deg, #C8102E 0%, #A00D24 100%);
    border-color: #C8102E;
    transform: translateY(-2px);
}
.feature-card:hover .feature-icon svg {
    stroke: #fff;
}

/* 深色背景下的团队卡片样式 */
.team-dark .team-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
}
.team-dark .team-icon {
    color: #C8102E;
    background: rgba(200,16,46,0.1);
}
.team-dark .team-number {
    color: #fff;
}
.team-dark .team-title {
    color: #fff;
}
.team-dark .team-desc {
    color: rgba(255,255,255,0.7);
}
.team-dark .team-card:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(200,16,46,0.4);
}

/* 深色背景下的配方卡片样式 */
.formulas-dark .formula-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
}
.formulas-dark .formula-category {
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.15);
}
.formulas-dark .formula-list li {
    color: rgba(255,255,255,0.8);
}
.formulas-dark .formula-list li::before {
    color: #C8102E;
}
.formulas-dark .formula-tag {
    background: rgba(200,16,46,0.15);
    color: rgba(255,255,255,0.9);
    border: 1px solid rgba(200,16,46,0.3);
}

/* 深色背景下的成功案例卡片样式 */
.stories-dark .story-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
}
.stories-dark .story-tag {
    background: rgba(200,16,46,0.15);
    color: #C8102E;
    border: 1px solid rgba(200,16,46,0.3);
}
.stories-dark .story-title {
    color: #fff;
}
.stories-dark .story-meta-label {
    color: rgba(255,255,255,0.5);
}
.stories-dark .story-meta-value {
    color: rgba(255,255,255,0.85);
}
.stories-dark .story-desc {
    color: rgba(255,255,255,0.7);
    border-top: 1px solid rgba(255,255,255,0.1);
}
.stories-dark .story-card:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(200,16,46,0.4);
}

/* 深色背景下的feature卡片样式 */
.features-dark .feature-card {
    background: rgba(255,255,255,0.06) !important;
    border: 1px solid rgba(255,255,255,0.12) !important;
}
.features-dark .feature-title {
    color: #fff !important;
}
.features-dark .feature-desc {
    color: rgba(255,255,255,0.75) !important;
}
.features-dark .feature-icon {
    background: rgba(200,16,46,0.15) !important;
    border-color: rgba(200,16,46,0.3) !important;
}
.features-dark .feature-icon svg {
    stroke: #C8102E !important;
}
.features-dark .feature-card:hover {
    background: rgba(255,255,255,0.1) !important;
    border-color: rgba(200,16,46,0.4) !important;
}

/* SAMPLE POLICY - 4列一行展示 */
.sample-policy-grid {
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 20px;
}
.sample-policy-grid .feature-card {
    text-align: center;
    padding: 28px 20px;
}
.sample-policy-grid .feature-icon {
    margin: 0 auto 16px;
    width: 48px;
    height: 48px;
}
.sample-policy-grid .feature-icon svg {
    width: 24px;
    height: 24px;
}
.sample-policy-grid .feature-title {
    font-size: 15px;
    margin-bottom: 8px;
}
.sample-policy-grid .feature-desc {
    font-size: 13px;
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .sample-policy-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}
@media (max-width: 600px) {
    .sample-policy-grid {
        grid-template-columns: 1fr !important;
    }
}

/* 深色背景下的生产能力数字样式 */
.capacity-dark .capacity-item {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
}
.capacity-dark .capacity-number {
    color: #C8102E;
    font-weight: 800;
}
.capacity-dark .capacity-label {
    color: rgba(255,255,255,0.6);
}
.capacity-dark .capacity-item:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(200,16,46,0.4);
}

/* 相邻模块紧凑间距 */
.section-compact-bottom {
    padding-bottom: 40px !important;
}
.section-compact-top {
    padding-top: 40px !important;
}

/* 半透明背景模块文字颜色确保 */
.tech-support-section .section-title {
    color: #fff !important;
}
.tech-support-section .section-desc {
    color: rgba(255,255,255,0.75) !important;
}
.tech-support-section .section-tag {
    color: #C8102E !important;
}

/* 监管能力列表样式 */
.regulatory-grid {
    gap: 20px;
}
.regulatory-card {
    padding: 24px 20px;
}
.regulatory-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.regulatory-list li {
    font-size: 13px;
    line-height: 1.6;
    color: rgba(255,255,255,0.75);
    padding: 5px 0 5px 16px;
    position: relative;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.regulatory-list li:last-child {
    border-bottom: none;
}
.regulatory-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 6px;
    height: 6px;
    background: #C8102E;
    border-radius: 50%;
}

/* 证书卡片横向滚动布局 */
.cert-cards-scroll {
    overflow-x: auto;
    overflow-y: hidden;
    margin-top: 40px;
    padding-bottom: 16px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: #C8102E #e5e7eb;
}
.cert-cards-scroll::-webkit-scrollbar {
    height: 6px;
}
.cert-cards-scroll::-webkit-scrollbar-track {
    background: #e5e7eb;
    border-radius: 3px;
}
.cert-cards-scroll::-webkit-scrollbar-thumb {
    background: #C8102E;
    border-radius: 3px;
}
.cert-cards-track {
    display: flex;
    gap: 24px;
    padding: 4px;
}
.cert-card {
    flex: 0 0 280px;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}
.cert-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.12);
    border-color: #C8102E;
}
.cert-card-image {
    position: relative;
    height: 180px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.cert-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.cert-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: #C8102E;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}
.cert-card-content {
    padding: 20px;
}
.cert-card-title {
    font-size: 16px;
    font-weight: 700;
    color: #111;
    margin: 0 0 8px 0;
    letter-spacing: 0.3px;
}
.cert-card-desc {
    font-size: 13px;
    line-height: 1.6;
    color: #6b7280;
    margin: 0;
}

/* 证书卡片响应式 */
@media (max-width: 768px) {
    .cert-card {
        flex: 0 0 240px;
    }
    .cert-card-image {
        height: 150px;
    }
}

/* 包装选项 - 卡片网格布局 */
.packaging-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 30px;
}
.packaging-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 14px;
    padding: 24px 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.packaging-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: #C8102E;
    transition: height 0.3s ease;
}
.packaging-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(0,0,0,0.08);
    border-color: rgba(200,16,46,0.3);
}
.packaging-card:hover::before {
    height: 100%;
}
.packaging-card-wide {
    grid-column: span 3;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border-color: #333;
    padding: 24px 20px;
}
.packaging-card-wide .packaging-icon {
    background: rgba(200,16,46,0.2);
    border-color: rgba(200,16,46,0.4);
    flex-shrink: 0;
    margin-bottom: 0;
}
.packaging-card-wide .packaging-icon svg {
    stroke: #C8102E;
}
.packaging-card-wide .packaging-content {
    flex: 1;
    padding-top: 2px;
}
.packaging-card-wide .packaging-title {
    color: #fff;
    margin-bottom: 8px;
}
.packaging-card-wide .packaging-desc {
    color: rgba(255,255,255,0.7);
    margin-bottom: 0;
}
.packaging-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(200,16,46,0.08) 0%, rgba(200,16,46,0.04) 100%);
    border: 1px solid rgba(200,16,46,0.15);
    border-radius: 12px;
    margin-bottom: 14px;
    transition: all 0.3s ease;
}
.packaging-icon svg {
    width: 24px;
    height: 24px;
    stroke: #C8102E;
    stroke-width: 1.5;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.packaging-card:hover .packaging-icon {
    background: linear-gradient(135deg, #C8102E 0%, #A00D24 100%);
    border-color: #C8102E;
}
.packaging-card:hover .packaging-icon svg {
    stroke: #fff;
}
.packaging-title {
    font-size: 15px;
    font-weight: 700;
    color: #111;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.packaging-desc {
    font-size: 13px;
    line-height: 1.6;
    color: #6b7280;
}

@media (max-width: 1024px) {
    .packaging-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .packaging-card-wide {
        grid-column: span 2;
    }
}
@media (max-width: 640px) {
    .packaging-grid {
        grid-template-columns: 1fr;
    }
    .packaging-card-wide {
        grid-column: span 1;
        flex-direction: column;
        text-align: center;
    }
}

/* 下拉菜单 */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 12px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 100;
}
.nav-item:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-item {
    display: block;
    color: var(--gray-6) !important;
    padding: 10px 24px !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    transition: all 0.2s ease;
}
.dropdown-item:hover {
    color: var(--primary) !important;
    background: var(--gray-1);
}
.dropdown-group-title {
    padding: 12px 24px 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--gray-4);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Mega Menu - 产品下拉大型菜单 */
.nav-item-mega .nav-dropdown {
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 720px;
    padding: 28px 32px;
    border-radius: 16px;
}
.nav-item-mega:hover .nav-dropdown {
    transform: translateX(-50%) translateY(0);
}
.mega-dropdown-inner {
    width: 100%;
}
.mega-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.mega-column {
    display: flex;
    flex-direction: column;
}
.mega-category-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    transition: opacity 0.2s ease;
}
.mega-category-title:hover {
    opacity: 0.8;
}
.mega-category-line {
    width: 4px;
    height: 18px;
    background: var(--primary);
    border-radius: 2px;
    flex-shrink: 0;
}
.mega-category-title span:last-child {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--dark);
}
.mega-product-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.mega-product-link {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--gray-6);
    text-decoration: none;
    padding: 4px 0;
    transition: color 0.2s ease;
}
.mega-product-link:hover {
    color: var(--primary);
}
.mega-product-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0;
    transition: opacity 0.2s ease;
    flex-shrink: 0;
}
.mega-product-link:hover .mega-product-dot {
    opacity: 1;
}

/* 响应式 */
@media (max-width: 1024px) {
    .nav-item-mega .nav-dropdown {
        min-width: 600px;
    }
    .mega-grid {
        gap: 24px;
    }
}
@media (max-width: 768px) {
    .nav-item-mega .nav-dropdown {
        display: none;
    }
}

.nav-cta {
    background: var(--primary);
    color: var(--white) !important;
    padding: 10px 24px !important;
    border-radius: var(--radius-sm);
    font-weight: 600 !important;
    font-size: 14px !important;
    width: auto !important;
    display: inline-flex !important;
}
.nav-cta:hover {
    background: var(--primary-dark);
    color: var(--white) !important;
}

/* 移动端菜单按钮 */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-left: auto;
    margin-bottom: 4px;
}
.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all 0.3s ease;
}
.navbar.scrolled .mobile-toggle span { background: var(--dark); }

/* 移动端全屏菜单 */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 26, 26, 0.98);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}
.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    background: #1a1a1a;
    position: sticky;
    top: 0;
    z-index: 10;
}
.mobile-menu-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}
.mobile-logo-img {
    height: 36px;
    width: auto;
    object-fit: contain;
    display: block;
    filter: brightness(0) invert(1);
}
.mobile-menu-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    position: relative;
    width: 32px;
    height: 32px;
}
.mobile-menu-close span {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 2px;
    background: #fff;
    transition: transform 0.3s ease;
}
.mobile-menu-close span:first-child {
    transform: translate(-50%, -50%) rotate(45deg);
}
.mobile-menu-close span:last-child {
    transform: translate(-50%, -50%) rotate(-45deg);
}
.mobile-menu-nav {
    flex: 1;
    overflow-y: auto;
    padding: 20px 30px;
}
.mobile-menu-item {
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mobile-menu-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: color 0.2s;
}
.mobile-menu-link:hover { color: var(--primary); }
.submenu-arrow {
    font-size: 14px;
    transition: transform 0.3s ease;
}
.mobile-submenu {
    display: none;
    padding: 0 0 16px 20px;
}
.mobile-submenu-link {
    display: block;
    padding: 12px 0;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.2s, padding-left 0.2s;
}
.mobile-submenu-link:hover {
    color: var(--primary);
    padding-left: 8px;
}
.mobile-menu-footer {
    padding: 24px 30px 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.mobile-menu-cta {
    width: 100%;
    text-align: center;
    padding: 16px;
    font-size: 16px;
}

/* ============================================
   Hero 区域
   ============================================ */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
    overflow: hidden;
    padding-top: 120px;
    padding-bottom: 80px;
}
.hero-with-bg {
    background: url('../images/hero-banner.jpg') center center / cover no-repeat;
}
.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10,10,10,0.88) 0%, rgba(10,10,10,0.65) 50%, rgba(10,10,10,0.4) 100%);
}
.hero .container {
    position: relative;
    z-index: 2;
}
.hero-content {
    color: var(--white);
    max-width: 800px;
}
.hero-tag {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 24px;
}
.hero-tag::before {
    content: '— ';
}
.hero h1 {
    font-size: 40px;
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    max-width: 700px;
}
.hero p {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
    margin-bottom: 32px;
    max-width: 576px;
}
.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Hero 轮播 */
.hero-slider {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 120px;
    padding-bottom: 120px;
}
.hero-slides {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}
.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.8s ease;
    display: flex;
    align-items: center;
}
.hero-slide.active {
    opacity: 1;
}
.hero-slide .container {
    position: relative;
    z-index: 2;
    padding: 0 40px;
    max-width: var(--max-width);
    margin: 0 auto;
    width: 100%;
}
.hero-content {
    color: var(--white);
    max-width: 800px;
    margin-left: 0;
    text-align: left;
}
.hero-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 12px;
}
.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: all 0.3s ease;
}
.hero-dot.active {
    background: var(--primary);
    width: 30px;
    border-radius: 6px;
}

/* Hero底部数据条叠加 */
.hero-stats {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10,10,10,0.75);
    backdrop-filter: blur(10px);
    padding: 24px 0;
    z-index: 5;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-stats .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.hero-stats .stat-item {
    text-align: center;
}
.hero-stats .stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 6px;
    line-height: 1;
}
.hero-stats .stat-label {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* 认证卡片 2x3 布局 */
.cert-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.cert-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 36px 28px;
    text-align: center;
    transition: all 0.3s ease;
    text-decoration: none;
    display: block;
}
.cert-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}
.cert-card-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}
.cert-card-icon svg {
    width: 28px;
    height: 28px;
}
.cert-card-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
    line-height: 1.3;
}
.cert-card-desc {
    font-size: 14px;
    color: var(--gray-5);
    line-height: 1.6;
    margin: 0;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn:active {
    transform: scale(0.97);
}
.btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}
.btn-primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(200,16,46,0.3);
}
.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.5);
}
.btn-outline:hover {
    background: var(--white);
    color: var(--dark);
    border-color: var(--white);
}
/* 白色背景下的边框按钮 */
.btn-outline-dark {
    background: transparent;
    color: #1A1D23;
    border: 2px solid #1A1D23;
}
.btn-outline-dark:hover {
    background: #1A1D23;
    color: #fff;
    border-color: #1A1D23;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}
.btn-dark {
    background: var(--dark);
    color: var(--white);
    border-color: var(--dark);
}
.btn-dark:hover {
    background: var(--gray-6);
    border-color: var(--gray-6);
}
.btn-lg {
    padding: 20px 48px;
    font-size: 16px;
}

/* ============================================
   数据统计条
   ============================================ */
.stats-bar {
    background: var(--white);
    padding: 80px 0;
    border-bottom: 1px solid var(--border);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}
.stat-number {
    font-size: 56px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}
.stat-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-5);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

/* ============================================
   认证证书
   ============================================ */
.cert-section {
    background: var(--gray-1);
    padding: 60px 0;
    border-bottom: 1px solid var(--border);
}
.cert-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}
.cert-item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-6);
    transition: all 0.3s ease;
}
.cert-item:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.cert-item svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

/* ============================================
   通用 Section
   ============================================ */
.section {
    padding: 100px 0;
}
.section-tight-top {
    padding-top: 40px !important;
}
.section-tight-bottom {
    padding-bottom: 40px !important;
}
.section-gray {
    background: var(--gray-1);
}
.section-dark {
    background: linear-gradient(135deg, rgba(26,26,26,0.95) 0%, rgba(45,45,45,0.92) 100%), url('../images/factory-production.jpg') center center / cover no-repeat;
    background-attachment: fixed;
}
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 70px;
}
.section-tag {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 20px;
}
.section-tag::before {
    content: '— ';
}
.section-title {
    font-size: 44px;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}
.section-dark .section-title {
    color: var(--white);
}
.section-desc {
    font-size: 17px;
    color: var(--gray-5);
    line-height: 1.8;
}

/* ============================================
   产品分类（纵向大卡片）
   ============================================ */
.product-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
}
.product-card-large {
    display: block;
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s ease;
    border: 1px solid var(--border);
}
.product-card-large:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.product-card-large-image {
    width: 100%;
    height: 480px;
    background-size: cover;
    background-position: center;
    position: relative;
}
.product-card-large-body {
    padding: 40px 50px;
    background: var(--gray-1);
}
.product-card-large-body h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.product-card-large-body p {
    font-size: 17px;
    color: var(--gray-5);
    line-height: 1.8;
    margin-bottom: 24px;
}
.product-card-large-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.product-card-large-link:hover {
    gap: 14px;
}

/* 产品分类卡片（电脑端横向3列） */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.product-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all 0.4s ease;
    display: block;
}
.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}
.product-image {
    height: 320px;
    background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
    background-size: cover;
    background-position: center;
    transition: transform 0.4s ease;
}
.product-card:hover .product-image {
    transform: scale(1.05);
}
.product-body {
    padding: 32px;
}
.product-body h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.product-body p {
    font-size: 15px;
    color: var(--gray-5);
    line-height: 1.8;
    margin-bottom: 20px;
}
.product-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: gap 0.3s ease;
}
.product-link:hover {
    gap: 14px;
}

/* 产品分类Tab */
.product-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 50px;
    justify-content: flex-start;
}
.product-tab {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-5);
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 50px;
    transition: all 0.3s ease;
    cursor: pointer;
}
.product-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.product-tab.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* 兼容产品卡片旧class */
.product-card-image {
    height: 240px;
    background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}
.product-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.product-card-body {
    padding: 28px;
}
.product-card-count {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 10px;
}
.product-card-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}
.product-card-desc {
    font-size: 15px;
    color: var(--gray-5);
    line-height: 1.7;
    margin-bottom: 16px;
}
.product-card-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   联系页面
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
    align-items: start;
}
.contact-form {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}
.form-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    border-bottom: none;
}
.form-tab {
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    color: #6b7280;
    cursor: pointer;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    margin-bottom: 0;
    transition: all 0.3s ease;
    background: #fff;
    flex: 1;
    text-align: center;
}
.form-tab:hover {
    color: #C8102E;
    border-color: #C8102E;
    background: rgba(200,16,46,0.05);
}
.form-tab.active {
    color: #fff;
    background: #C8102E;
    border-color: #C8102E;
    box-shadow: 0 4px 12px rgba(200,16,46,0.3);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-group {
    margin-bottom: 16px;
}
.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-6);
    margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--white);
    transition: all 0.3s ease;
    font-family: inherit;
    color: var(--gray-6);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(200,16,46,0.1);
}
.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

/* 输入框提示文字灰色 */
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #9ca3af;
    opacity: 1;
}
.form-group input:-ms-input-placeholder,
.form-group textarea:-ms-input-placeholder {
    color: #9ca3af;
}
.form-group input::-ms-input-placeholder,
.form-group textarea::-ms-input-placeholder {
    color: #9ca3af;
}

/* 联系侧边栏 */
.contact-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    justify-content: space-between;
}

/* WhatsApp绿色按钮 */
.btn-whatsapp {
    background: #25D366 !important;
    color: #fff !important;
    border: 1px solid #25D366 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 10px !important;
    transition: all 0.3s ease !important;
}
.btn-whatsapp:hover {
    background: #128C7E !important;
    border-color: #128C7E !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3) !important;
}
.btn-whatsapp svg {
    width: 20px;
    height: 20px;
    fill: #fff;
    flex-shrink: 0;
}

/* 各地区工作时间列表 */
.working-hours-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.working-hours-item {
    padding-bottom: 16px;
    border-bottom: 1px solid #f0f0f0;
}
.working-hours-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.working-hours-region {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}
.region-dot {
    width: 8px;
    height: 8px;
    background: #C8102E;
    border-radius: 50%;
    flex-shrink: 0;
}
.working-hours-region strong {
    font-size: 14px;
    font-weight: 700;
    color: #111;
}
.region-tag {
    font-size: 11px;
    background: #C8102E;
    color: #fff;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
}
.working-hours-time {
    font-size: 13px;
    color: #6b7280;
    padding-left: 16px;
    line-height: 1.5;
}
.time-note {
    font-size: 11px;
    color: #9ca3af;
    font-style: italic;
}

/* WhatsApp侧边栏卡片 */
.sidebar-card-whatsapp {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border: 1px solid #bbf7d0;
}
.sidebar-card-whatsapp h3 {
    color: #166534;
}
.sidebar-card-whatsapp p {
    color: #15803d;
}

/* FIND US 位置卡片网格 */
.find-us-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.find-us-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}
.find-us-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.12);
    border-color: #C8102E;
}
.find-us-icon {
    width: 60px;
    height: 60px;
    background: rgba(200,16,46,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}
.find-us-icon svg {
    width: 28px;
    height: 28px;
    stroke: #C8102E;
}
.find-us-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #111;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}
.find-us-card p {
    font-size: 14px;
    line-height: 1.8;
    color: #6b7280;
    margin: 0;
}
.find-us-card a {
    color: #C8102E;
    text-decoration: none;
    font-weight: 600;
}
.find-us-card a:hover {
    text-decoration: underline;
}

/* FIND US 响应式 */
@media (max-width: 768px) {
    .find-us-grid {
        grid-template-columns: 1fr;
    }
}

/* 谷歌地图容器 */
.map-container {
    position: relative;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    border: 1px solid #e5e7eb;
}
.map-container iframe {
    display: block;
    width: 100%;
}

/* 自定义大标记图标 */
.map-marker-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    pointer-events: none;
    z-index: 10;
}
.map-marker-pin {
    width: 56px;
    height: 56px;
    background: #C8102E;
    border-radius: 50% 50% 50% 0;
    transform: rotate(-45deg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(200,16,46,0.5);
    border: 3px solid #fff;
    animation: marker-bounce 2s ease-in-out infinite;
}
.map-marker-pin svg {
    width: 28px;
    height: 28px;
    transform: rotate(45deg);
    color: #fff;
}
.map-marker-label {
    margin-top: 8px;
    background: #C8102E;
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 6px;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(200,16,46,0.4);
    letter-spacing: 0.5px;
    position: relative;
}
.map-marker-label::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid #C8102E;
}

@keyframes marker-bounce {
    0%, 100% {
        transform: rotate(-45deg) translateY(0);
    }
    50% {
        transform: rotate(-45deg) translateY(-8px);
    }
}

/* 地图链接 */
.map-link {
    display: inline-block;
    margin-top: 16px;
    font-size: 13px;
    font-weight: 600;
    color: #C8102E;
    text-decoration: none;
    transition: all 0.3s ease;
}
.map-link:hover {
    color: #a00d25;
    text-decoration: underline;
    transform: translateX(4px);
}

/* 地图响应式 */
@media (max-width: 768px) {
    .map-container iframe {
        height: 300px !important;
    }
}
.sidebar-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}
.sidebar-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--dark);
}
.work-hours-table {
    width: 100%;
    border-collapse: collapse;
}
.work-hours-table td {
    padding: 10px 0;
    font-size: 14px;
    color: var(--gray-5);
    border-bottom: 1px solid var(--border);
}
.work-hours-table td:last-child {
    text-align: right;
    font-weight: 600;
    color: var(--gray-6);
}
.contact-info-item {
    display: flex;
    gap: 14px;
    margin-bottom: 18px;
    align-items: flex-start;
}
.contact-info-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--primary);
    font-size: 18px;
}
.contact-info-text h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--dark);
}
.contact-info-text p {
    font-size: 14px;
    color: var(--gray-5);
    margin: 0;
}

/* 提示框 */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 14px;
}
.alert-success {
    background: #D4EDDA;
    color: #155724;
    border: 1px solid #C3E6CB;
}
.alert-error {
    background: #F8D7DA;
    color: #721C24;
    border: 1px solid #F5C6CB;
}

/* ============================================
   Why Choose Us
   ============================================ */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}
.feature-item {
    text-align: left;
}
.feature-number {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 20px;
    opacity: 0.8;
}
.feature-item h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.feature-item p {
    font-size: 15px;
    color: var(--gray-5);
    line-height: 1.8;
}

/* 兼容旧class - 还原原版卡片设计风格 */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { 
    text-align: left; 
    padding: 24px; 
    background: #fff; 
    border: 1px solid #e8eaed; 
    border-radius: 8px; 
    transition: all 0.3s ease;
}
.feature-card:hover { 
    transform: translateY(-4px); 
    box-shadow: 0 10px 25px rgba(0,0,0,0.1); 
    border-color: rgba(200,16,46,0.4); 
}
.feature-card .feature-icon { 
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 8px;
    background: rgba(200,16,46,0.1);
    color: #c8102e;
    font-size: 24px;
    margin-bottom: 20px;
}
.feature-card .feature-title { 
    font-size: 18px; 
    font-weight: 700; 
    margin-bottom: 12px; 
    color: #1a1d23; 
}
.feature-card .feature-desc { 
    font-size: 14px; 
    color: #6b7280; 
    line-height: 1.7; 
    margin: 0;
}

/* ============================================
   OEM 流程
   ============================================ */
.process-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
}
.process-item {
    text-align: center;
    padding: 30px 20px;
}
.process-number {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 20px;
}
.section-dark .process-number {
    color: var(--primary);
}
.process-item h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.section-dark .process-item h3 {
    color: var(--white);
}
.process-item p {
    font-size: 14px;
    color: var(--gray-5);
    line-height: 1.7;
    margin-bottom: 12px;
}
.section-dark .process-item p {
    color: rgba(255,255,255,0.6);
}
.process-time {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 6px 14px;
    background: var(--primary-light);
    border-radius: 20px;
}

/* ============================================
   工厂展示
   ============================================ */
.factory-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.factory-item {
    height: 360px;
    background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    transition: all 0.4s ease;
}
.factory-item:hover {
    transform: scale(1.02);
}
.factory-item-overlay {
    padding: 32px;
    width: 100%;
    background: linear-gradient(transparent, rgba(0,0,0,0.85));
}
.factory-item-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.factory-item-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
}
.factory-item-icon {
    font-size: 36px;
    margin-bottom: 12px;
    display: block;
}

/* ============================================
   虚拟工厂参观 - 原版风格
   ============================================ */
.virtual-tour-wrapper {
    display: flex;
    gap: 50px;
    align-items: stretch;
}
.virtual-tour-content {
    flex: 1.2;
    display: flex;
    flex-direction: column;
}
.virtual-tour-time {
    margin-top: auto;
}
.virtual-tour-desc {
    font-size: 15px;
    line-height: 1.8;
    color: #6c757d;
    margin-bottom: 16px;
}
.virtual-tour-buttons {
    display: flex;
    gap: 16px;
    margin: 28px 0;
    flex-wrap: wrap;
}
.btn-tour {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: #C8102E;
    color: #fff;
    border-radius: 6px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: all 0.3s ease;
}
.btn-tour:hover {
    background: #a00d24;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(200,16,46,0.3);
}
.btn-icon {
    font-size: 18px;
}
.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: #25D366;
    color: #fff;
    border-radius: 6px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: all 0.3s ease;
}
.btn-whatsapp:hover {
    background: #1ebe5d;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37,211,102,0.3);
}
.virtual-tour-time {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #e9ecef;
    font-size: 14px;
    color: #495057;
}
.time-icon {
    font-size: 18px;
}
.virtual-tour-form {
    flex: 1;
    background: #fff;
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
}
.virtual-tour-form form {
    flex: 1;
    display: flex;
    flex-direction: column;
}
.virtual-tour-form form .btn-full {
    margin-top: auto;
}
.form-title {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.virtual-tour-form .form-group {
    margin-bottom: 16px;
}
.virtual-tour-form label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 6px;
}
.virtual-tour-form input,
.virtual-tour-form textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.2s;
    box-sizing: border-box;
}
.virtual-tour-form input:focus,
.virtual-tour-form textarea:focus {
    outline: none;
    border-color: #C8102E;
    box-shadow: 0 0 0 3px rgba(200,16,46,0.1);
}
.btn-full {
    width: 100%;
    padding: 14px;
    font-size: 15px;
    font-weight: 600;
}

/* 移动端 - 虚拟工厂参观 */
@media (max-width: 900px) {
    .virtual-tour-wrapper {
        flex-direction: column;
        gap: 30px;
    }
}
@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    .virtual-tour-buttons {
        flex-direction: column;
    }
    .btn-tour, .btn-whatsapp {
        justify-content: center;
    }
}

/* ============================================
   文章详情页 - 专业大气设计
   ============================================ */
.article-detail-page {
    padding: 60px 0 60px;
    background: #f8f9fa;
}
.article-detail-wrapper {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}
.article-main-content {
    flex: 1.6;
    background: #fff;
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}
.article-header {
    margin-bottom: 30px;
}
.article-category-badge {
    display: inline-block;
    padding: 6px 16px;
    background: #C8102E;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 4px;
    margin-bottom: 20px;
}
.article-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.3;
    margin-bottom: 20px;
}
.article-meta-row {
    display: flex;
    gap: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e9ecef;
}
.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #6c757d;
}
.article-featured-image {
    margin-bottom: 35px;
    border-radius: 10px;
    overflow: hidden;
}
.article-featured-image img {
    width: 100%;
    height: auto;
    display: block;
}
.article-body-content {
    font-size: 16px;
    line-height: 1.8;
    color: #374151;
}
.article-body-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 35px 0 18px;
    padding-bottom: 10px;
    border-bottom: 2px solid #C8102E;
    display: inline-block;
}
.article-body-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 28px 0 14px;
}
.article-body-content p {
    margin-bottom: 18px;
}
.article-body-content ul, .article-body-content ol {
    margin-bottom: 18px;
    padding-left: 24px;
}
.article-body-content li {
    margin-bottom: 8px;
}
.article-body-content strong {
    color: #1a1a1a;
    font-weight: 600;
}
.article-body-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
}
.article-body-content th, .article-body-content td {
    padding: 12px 16px;
    border: 1px solid #e5e7eb;
    text-align: left;
}
.article-body-content th {
    background: #f3f4f6;
    font-weight: 600;
    color: #1a1a1a;
}
.article-share-section {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #e9ecef;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.share-label {
    font-size: 14px;
    font-weight: 600;
    color: #374151;
}
.share-buttons {
    display: flex;
    gap: 10px;
}
.share-btn {
    padding: 8px 18px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    transition: all 0.2s;
}
.share-btn.linkedin { background: #0077b5; }
.share-btn.twitter { background: #1da1f2; }
.share-btn.facebook { background: #1877f2; }
.share-btn:hover { transform: translateY(-2px); opacity: 0.9; }
.article-back-link {
    margin-top: 30px;
}
.btn-outline {
    display: inline-block;
    padding: 12px 28px;
    border: 2px solid #C8102E;
    color: #C8102E;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.2s;
}
.btn-outline:hover {
    background: #C8102E;
    color: #fff;
}

/* 侧边栏 */
.article-sidebar {
    flex: 1;
    position: sticky;
    top: 100px;
}
.sidebar-widget {
    background: #fff;
    padding: 28px;
    border-radius: 12px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
    margin-bottom: 24px;
}
.widget-title {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #C8102E;
}
.sidebar-article-item {
    display: flex;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid #f0f0f0;
}
.sidebar-article-item:last-child {
    border-bottom: none;
}
.sidebar-article-img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
}
.sidebar-article-info {
    flex: 1;
    min-width: 0;
}
.sidebar-article-cat {
    font-size: 11px;
    font-weight: 600;
    color: #C8102E;
    text-transform: uppercase;
    margin-bottom: 4px;
    display: block;
}
.sidebar-article-title {
    font-size: 13px;
    font-weight: 600;
    color: #1a1a1a;
    line-height: 1.4;
    text-decoration: none;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 4px;
}
.sidebar-article-title:hover {
    color: #C8102E;
}
.sidebar-article-date {
    font-size: 12px;
    color: #9ca3af;
}
.cta-widget {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
}
.cta-widget .widget-title {
    color: #fff;
    border-bottom-color: rgba(255,255,255,0.2);
}
.cta-widget p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}
.btn-full {
    width: 100%;
    text-align: center;
}

/* 移动端 - 文章详情页 */
@media (max-width: 900px) {
    .article-detail-wrapper {
        flex-direction: column;
    }
    .article-main-content {
        padding: 30px 20px;
    }
    .article-title {
        font-size: 24px;
    }
    .article-sidebar {
        position: static;
    }
}

/* ============================================
   分类筛选标签
   ============================================ */
.category-filters {
    display: flex;
    gap: 12px;
    margin-bottom: 35px;
    flex-wrap: wrap;
    justify-content: flex-start;
}
.filter-btn {
    padding: 10px 24px;
    border: 1px solid #e5e7eb;
    background: #fff;
    color: #374151;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}
.filter-btn:hover {
    border-color: #C8102E;
    color: #C8102E;
}
.filter-btn.active {
    background: #C8102E;
    border-color: #C8102E;
    color: #fff;
}

/* ============================================
   页面Hero Banner - 半透明背景图设计
   ============================================ */
.page-header-hero {
    position: relative;
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.page-header-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: var(--bg-image);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    z-index: 0;
}
.page-header-hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26,26,26,0.95) 0%, rgba(45,45,45,0.92) 100%);
    z-index: 1;
}
.page-header-hero .container {
    position: relative;
    z-index: 2;
    width: 100%;
}
.page-header-hero .hero-content {
    max-width: 750px;
    text-align: left;
}
.hero-tag {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: #C8102E;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 20px;
}
.hero-title {
    font-size: 52px;
    font-weight: 800;
    color: #fff;
    line-height: 1.15;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: -0.01em;
}
.page-header-hero .hero-desc {
    font-size: 18px;
    line-height: 1.7;
    color: rgba(255,255,255,0.85);
    max-width: 650px;
    margin-left: 0 !important;
    padding-left: 0 !important;
    text-align: left;
}

/* 不同页面的背景图 */
.page-header-factory {
    background-image: url('https://aka.doubaocdn.com/s/bER8216qXo');
}
.page-header-news {
    background-image: url('https://aka.doubaocdn.com/s/88ZWUZ4CwY');
}
.page-header-blog {
    background-image: url('https://aka.doubaocdn.com/s/M8G19U2LUv');
}
.page-header-about {
    background-image: url('https://aka.doubaocdn.com/s/YpUW5ggyjt');
}
.page-header-products {
    background-image: url('https://aka.doubaocdn.com/s/y1L1emUyy5');
}
.page-header-oem {
    background-image: url('https://aka.doubaocdn.com/s/QPOIAlnnGb');
}
.page-header-quality {
    background-image: url('https://aka.doubaocdn.com/s/5MufCUoqV6');
}
.page-header-contact {
    background-image: url('https://aka.doubaocdn.com/s/FkGpCDoNl1');
}

/* 移动端Banner */
@media (max-width: 768px) {
    .page-header-hero {
        min-height: 320px;
    }
    .hero-title {
        font-size: 32px;
    }
    .hero-desc {
        font-size: 15px;
    }
}

/* ============================================
   客户评价
   ============================================ */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.testimonial-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}
.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.testimonial-quote {
    font-size: 48px;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 16px;
    font-family: Georgia, serif;
    opacity: 0.6;
}
.testimonial-card p {
    font-size: 15px;
    color: var(--gray-6);
    line-height: 1.7;
    margin-bottom: 28px;
    font-style: italic;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}
.testimonial-info {
    display: flex;
    flex-direction: column;
}
.testimonial-info strong {
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}
.testimonial-info span {
    font-size: 13px;
    color: var(--gray-5);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.testimonial-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
}
.testimonial-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}
.testimonial-role {
    font-size: 13px;
    color: var(--gray-5);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   新闻/博客
   ============================================ */
.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.article-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    display: block;
}
.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.article-image {
    height: 220px;
    background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
    background-size: cover;
    background-position: center;
}
.article-body {
    padding: 28px;
}
.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    font-size: 13px;
}
.article-category {
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.article-meta span:last-child {
    color: var(--gray-4);
}
.article-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 14px;
    line-height: 1.4;
}
.article-excerpt {
    font-size: 15px;
    color: var(--gray-5);
    line-height: 1.7;
    margin-bottom: 20px;
}
.article-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   CTA 区域
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, rgba(26,26,26,0.94) 0%, rgba(45,45,45,0.9) 100%), url('../images/factory-filling.jpg') center center / cover no-repeat;
    padding: 100px 0;
    text-align: center;
}
.cta-section h2 {
    font-size: 44px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}
.cta-section p {
    font-size: 18px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   页脚
   ============================================ */
.footer {
    background: #111111;
    color: rgba(255,255,255,0.6);
    padding: 80px 0 40px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 60px;
}
.footer h4 {
    color: var(--white);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.footer p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 16px;
}
.footer ul li {
    margin-bottom: 12px;
}
.footer ul li a {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: color 0.3s ease;
}
.footer ul li a:hover {
    color: var(--primary);
}
.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 14px;
    line-height: 1.6;
    color: rgba(255,255,255,0.6);
}
.footer-contact-item svg {
    flex-shrink: 0;
    margin-top: 2px;
}
.footer-contact-item span {
    font-size: 14px;
}
.footer-contact-item a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}
.footer-contact-item a:hover {
    color: var(--primary);
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}
.footer-bottom-links {
    display: flex;
    gap: 24px;
}

/* ============================================
   内页通用
   ============================================ */
.page-header {
    background: linear-gradient(135deg, rgba(26,26,26,0.92) 0%, rgba(45,45,45,0.88) 100%), url('../images/hero-banner.jpg') center center / cover no-repeat;
    padding: 140px 0 70px;
    text-align: center;
    position: relative;
}
.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 14px;
    color: rgba(255,255,255,0.6);
}
.breadcrumb a {
    color: rgba(255,255,255,0.8);
    transition: color 0.3s ease;
}
.breadcrumb a:hover {
    color: var(--primary);
}
.breadcrumb .separator {
    color: rgba(255,255,255,0.4);
}
.page-header h1 {
    font-size: 48px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}
.page-header p {
    font-size: 18px;
    color: rgba(255,255,255,0.7);
    max-width: 700px;
    margin: 0 auto;
}

.page-hero {
    background: var(--dark);
    padding: 140px 0 80px;
    text-align: center;
}
.page-hero h1 {
    font-size: 48px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}
.page-hero p {
    font-size: 18px;
    color: rgba(255,255,255,0.7);
}

.content-section {
    padding: 80px 0;
}
.content-section h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 24px;
}
.content-section h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    margin-top: 40px;
}
.content-section p {
    font-size: 16px;
    line-height: 1.9;
    margin-bottom: 20px;
    color: var(--gray-5);
}

/* 表单 */
.form-group {
    margin-bottom: 24px;
}
.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-6);
    margin-bottom: 8px;
}
.form-control {
    width: 100%;
    padding: 14px 18px;
    font-size: 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--white);
    transition: all 0.3s ease;
    font-family: inherit;
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(200,16,46,0.1);
}
textarea.form-control {
    min-height: 140px;
    resize: vertical;
}

/* ============================================
   响应式
   ============================================ */
/* 平板/窄窗口：导航菜单仍显示，但减小间距 */
@media (max-width: 1000px) and (min-width: 601px) {
    .nav-menu { gap: 20px; }
    .nav-link { font-size: 13px; }
    .nav-cta { padding: 8px 16px !important; font-size: 12px !important; }
    .container { padding: 0 24px; }
    .nav-inner { padding: 0 24px; }
    .hero h1 { font-size: 40px; }
    .section-title { font-size: 32px; }
    .stat-number { font-size: 44px; }
    .product-image { height: 260px; }
    .factory-item { height: 280px; }
}

/* 平板端：隐藏导航菜单，显示汉堡按钮 */
@media (max-width: 768px) {
    .nav-menu { display: none; }
    .mobile-toggle { display: flex; }
    .nav-cta { display: none !important; }
}

/* 手机端：隐藏导航菜单，显示汉堡按钮 */
@media (max-width: 600px) {
    .container { padding: 0 20px; }
    .nav-inner { padding: 0 20px; }
    .hero h1 { font-size: 30px; }
    .hero p { font-size: 15px; }
    .section { padding: 60px 0; }
    .section-title { font-size: 26px; }
    .stat-number { font-size: 32px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .feature-grid, .features-grid { grid-template-columns: 1fr; }
    .process-grid { grid-template-columns: 1fr; }
    .product-grid, .testimonial-grid, .article-grid { grid-template-columns: 1fr; }
    .factory-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero-buttons { flex-direction: column; }
    .btn { width: 100%; }
    .nav-inner { padding: 0 20px; }
    .nav-menu { display: none; }
    .mobile-toggle { display: flex; }
    .nav-cta { display: none !important; }
    .cta-section .btn { width: auto; }
}

/* ============================================
   产品详情页 V2 - 左右布局
   ============================================ */
.product-detail-v2 {
    padding: 140px 0 60px;
    background: #fff;
}
.breadcrumb {
    font-size: 14px;
    color: #666;
    margin-bottom: 40px;
}
.breadcrumb a { color: var(--primary); text-decoration: none; }
.breadcrumb .separator { margin: 0 8px; color: #ccc; }

.product-detail-row {
    display: grid;
    grid-template-columns: 40% 60%;
    gap: 60px;
    align-items: start;
}

/* 左侧图库 */
.product-gallery-col { position: sticky; top: 120px; }
.product-main-img {
    width: 100%;
    aspect-ratio: 3/4;
    background: #ffffff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-bottom: 20px;
}
.product-main-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.product-img-placeholder {
    text-align: center;
    color: #999;
    font-size: 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    width: 100%;
    height: 100%;
}
.placeholder-can-icon {
    opacity: 0.6;
}
.placeholder-text {
    font-size: 20px;
    font-weight: 700;
    color: #666;
    max-width: 80%;
    line-height: 1.3;
}
.placeholder-subtext {
    font-size: 14px;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.product-thumbs-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.product-thumb-item {
    aspect-ratio: 1;
    background: #f5f5f5;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}
.product-thumb-item:hover { border-color: #ddd; }
.product-thumb-item.active { border-color: var(--primary); }
.product-thumb-item img { width: 100%; height: 100%; object-fit: contain; }
.thumb-placeholder { color: #999; font-size: 14px; }

/* 右侧信息 */
.product-cat-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}
.product-title-v2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 20px;
}
.product-excerpt-v2 {
    font-size: 16px;
    color: #555;
    line-height: 1.7;
    margin-bottom: 30px;
}

/* Features 内联 */
.features-subtitle {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}
.features-grid-inline {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 30px;
}
.feature-item-inline {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}
.feature-icon {
    font-size: 24px;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.feature-text strong {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}
.feature-text span {
    font-size: 13px;
    color: #666;
    line-height: 1.5;
}

/* CTA 按钮 */
.product-cta-row {
    display: flex;
    gap: 16px;
    margin-top: 10px;
}
.btn-lg {
    padding: 16px 32px;
    font-size: 15px;
}
.btn-outline-dark {
    background: transparent;
    color: var(--dark);
    border: 2px solid var(--dark);
}
.btn-outline-dark:hover {
    background: var(--dark);
    color: #fff;
}

/* 规格表 + 定制项 */
.product-specs-section {
    padding: 80px 0;
    background: #f8f9fa;
}
.specs-custom-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}
.section-title-v2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 30px;
}
.section-title-v2.center { text-align: center; }

.spec-table-v2 {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.spec-table-v2 th, .spec-table-v2 td {
    padding: 16px 24px;
    text-align: left;
    border-bottom: 1px solid #eee;
}
.spec-table-v2 th {
    background: #f8f9fa;
    font-weight: 600;
    color: var(--dark);
    width: 40%;
}
.spec-table-v2 td { color: #555; }
.spec-table-v2 tr:last-child th, .spec-table-v2 tr:last-child td { border-bottom: none; }

/* 定制项 */
.custom-grid-v2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.custom-item-v2 {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.custom-icon {
    font-size: 28px;
    flex-shrink: 0;
}
.custom-item-v2 h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 6px;
}
.custom-item-v2 p {
    font-size: 13px;
    color: #666;
    line-height: 1.5;
    margin: 0;
}

/* 相关产品 */
.related-products-v2 {
    padding: 80px 0;
    background: #fff;
}
.product-grid-v2 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.product-card-v2 {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
    display: block;
}
.product-card-v2:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.12);
}
.product-card-img {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.product-card-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.card-img-placeholder {
    color: #999;
    font-size: 16px;
}
.product-card-info {
    padding: 24px;
}
.card-cat {
    display: inline-block;
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}
.product-card-info h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
    line-height: 1.3;
}
.card-link {
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
}

/* 响应式 */
@media (max-width: 1024px) {
    .product-detail-row { grid-template-columns: 1fr; gap: 40px; }
    .product-gallery-col { position: static; max-width: 500px; margin: 0 auto; }
    .specs-custom-row { grid-template-columns: 1fr; gap: 40px; }
    .product-grid-v2 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .product-detail-v2 { padding: 120px 0 40px; }
    .product-title-v2 { font-size: 28px; }
    .features-grid-inline { grid-template-columns: 1fr; }
    .product-cta-row { flex-direction: column; }
    .custom-grid-v2 { grid-template-columns: 1fr; }
    .product-grid-v2 { grid-template-columns: 1fr; }
    .section-title-v2 { font-size: 24px; }
}

/* ============================================
   全站移动端优化（480px以下）
   ============================================ */
@media (max-width: 480px) {
    /* 导航栏 */
    .navbar { padding: 16px 0; }
    .navbar.scrolled { padding: 12px 0; }
    .logo-img { height: 36px; }
    .navbar.scrolled .logo-img { height: 32px; }
    .nav-inner { padding: 0 16px; }

    /* Hero区域 */
    .hero { min-height: 80vh; padding-top: 80px; }
    .hero h1 { font-size: 26px !important; line-height: 1.3; }
    .hero p { font-size: 14px !important; }
    .hero-buttons { flex-direction: column; gap: 12px; }
    .hero-buttons .btn { width: 100%; padding: 14px 20px; font-size: 14px; }

    /* 通用区块 */
    .section { padding: 50px 0; }
    .section-title { font-size: 22px !important; }
    .section-subtitle { font-size: 14px; }
    .container { padding: 0 16px; }

    /* 统计数字 */
    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 20px; }
    .stat-number { font-size: 28px !important; }
    .stat-label { font-size: 12px; }

    /* 各种网格 */
    .feature-grid, .features-grid { grid-template-columns: 1fr !important; }
    .process-grid { grid-template-columns: 1fr !important; }
    .product-grid, .testimonial-grid, .article-grid { grid-template-columns: 1fr !important; }
    .factory-grid { grid-template-columns: 1fr !important; }
    .cert-grid { grid-template-columns: repeat(2, 1fr) !important; }

    /* 产品卡片 */
    .product-image { height: 220px; }
    .product-body { padding: 16px; }
    .product-body h3 { font-size: 16px; }

    /* 工厂卡片 */
    .factory-item { height: 220px; }

    /* 表单 */
    .form-grid { grid-template-columns: 1fr !important; }
    .form-group { margin-bottom: 16px; }
    .form-control { padding: 12px 14px; font-size: 14px; }
    textarea.form-control { min-height: 120px; }

    /* 页脚 */
    .footer { padding: 50px 0 30px; }
    .footer-grid { grid-template-columns: 1fr !important; gap: 30px; }
    .footer-title { font-size: 16px; }
    .footer-links li { margin-bottom: 10px; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

    /* CTA区块 */
    .cta-section { padding: 50px 0; }
    .cta-section h2 { font-size: 22px; }
    .cta-section p { font-size: 14px; }
    .cta-section .btn { width: 100%; }

    /* 面包屑 */
    .breadcrumb { font-size: 12px; margin-bottom: 20px; flex-wrap: wrap; }

    /* 按钮 */
    .btn { padding: 12px 20px; font-size: 14px; }
    .btn-lg { padding: 14px 24px; font-size: 15px; }

    /* 表格 */
    .spec-table-v2 th, .spec-table-v2 td { padding: 12px 14px; font-size: 13px; }

    /* 定制项 */
    .custom-item-v2 { padding: 16px; }
    .custom-item-v2 h4 { font-size: 14px; }
    .custom-item-v2 p { font-size: 12px; }
}

/* ============================================
   首页设计优化 - 新增样式
   ============================================ */

/* 1. 数字统计模块 - 白底 */
.hero-stats-section {
    background: #ffffff;
    padding: 50px 0;
    border-bottom: 1px solid #eee;
    position: relative;
    z-index: 10;
    display: block;
    width: 100%;
    clear: both;
}
.hero-stats-section .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}
.hero-stats-section .stat-item {
    display: block;
}
.hero-stats-section .stat-number {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary, #c8102e);
    line-height: 1.1;
    margin-bottom: 8px;
    display: block;
}
.hero-stats-section .stat-label {
    font-size: 14px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
}

/* 2. 优势卡片 - 四个框框 */
.advantage-cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.advantage-card {
    background: #fff;
    border-radius: 12px;
    padding: 36px 28px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #f0f0f0;
}
.advantage-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.12);
}
.advantage-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: linear-gradient(135deg, #c8102e, #e63946);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: #fff;
}
.advantage-card-icon svg {
    width: 28px;
    height: 28px;
}
.advantage-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}
.advantage-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 3. 生产流程时间线 */
.process-timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
    padding: 40px 0;
}
.process-line {
    position: absolute;
    top: 68px;
    left: 5%;
    right: 5%;
    height: 2px;
    background: linear-gradient(90deg, #c8102e, #e63946, #c8102e);
    z-index: 1;
}
.process-step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 2;
    padding: 0 10px;
}
.process-dot {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #c8102e, #e63946);
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: 0 4px 16px rgba(200,16,46,0.4);
    border: 3px solid #1a1a1a;
}
.process-content h3 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}
.process-content p {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    line-height: 1.5;
    margin-bottom: 10px;
}
.process-time {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: #c8102e;
    background: rgba(200,16,46,0.15);
    padding: 4px 12px;
    border-radius: 20px;
}

/* 4. 工厂展示 - 左大图+右两小图 */
.factory-showcase {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 20px;
    height: 500px;
}
.factory-large {
    height: 100%;
}
.factory-small {
    display: grid;
    grid-template-rows: 1fr 1fr;
    gap: 20px;
    height: 100%;
}
.factory-image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease;
}
.factory-image:hover {
    transform: scale(1.02);
}
.factory-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: #fff;
}
.factory-image-overlay h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
}
.factory-image-overlay p {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    margin: 0;
}
.factory-small .factory-image-overlay h3 {
    font-size: 16px;
}

/* 5. 客户评价 - 深色背景+玻璃态卡片 */
.testi-section {
    background: linear-gradient(135deg, rgba(13,18,28,0.88) 0%, rgba(30,41,59,0.85) 50%, rgba(13,18,28,0.88) 100%), url('../images/factory-production.jpg') center center / cover no-repeat;
    background-attachment: fixed;
    position: relative;
    overflow: hidden;
}
.testi-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(200,16,46,0.15) 0%, transparent 70%);
    border-radius: 50%;
}
.testi-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -5%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(59,130,246,0.1) 0%, transparent 70%);
    border-radius: 50%;
}
.section-header-light .section-tag {
    color: #c8102e;
}
.section-header-light .section-title {
    color: #fff;
}
.testi-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    position: relative;
    z-index: 2;
}
.testi-card {
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 16px;
    padding: 36px 32px;
    transition: transform 0.3s ease, background 0.3s ease;
    display: flex;
    flex-direction: column;
}
.testi-card:hover {
    transform: translateY(-6px);
    background: rgba(255,255,255,0.1);
}
.testi-quote-icon {
    color: #c8102e;
    margin-bottom: 20px;
}
.testi-quote-icon svg {
    width: 36px;
    height: 36px;
}
.testi-text {
    font-size: 15px;
    color: rgba(255,255,255,0.85);
    line-height: 1.7;
    margin-bottom: 24px;
    flex: 1;
}
.testi-divider {
    height: 1px;
    background: rgba(255,255,255,0.15);
    margin-bottom: 20px;
}
.testi-author {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: auto;
}
.testi-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #c8102e, #e63946);
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.testi-info strong {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 2px;
}
.testi-info span {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
}
.testi-info strong {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 2px;
}
.testi-info span {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
}

/* 6. 新闻紧凑布局 */
.news-compact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.news-compact-card {
    display: flex;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    color: inherit;
}
.news-compact-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}
.news-compact-image {
    width: 140px;
    min-height: 140px;
    flex-shrink: 0;
}
.news-compact-content {
    padding: 20px;
    flex: 1;
}
.news-compact-date {
    font-size: 12px;
    color: #c8102e;
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.news-compact-title {
    font-size: 15px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 8px;
    line-height: 1.4;
}
.news-compact-excerpt {
    font-size: 13px;
    color: #666;
    line-height: 1.5;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 6. 新闻PC版布局 */
.news-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 40px;
}
.news-view-all {
    font-size: 15px;
    font-weight: 600;
    color: #c8102e;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.news-view-all:hover {
    text-decoration: underline;
}
.news-pc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.news-pc-card {
    display: flex;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    color: inherit;
    border: 1px solid #eee;
}
.news-pc-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}
.news-pc-image {
    width: 100px;
    min-height: 100px;
    flex-shrink: 0;
}
.news-pc-content {
    padding: 16px 20px;
    flex: 1;
}
.news-pc-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}
.news-pc-category {
    font-size: 12px;
    font-weight: 700;
    color: #c8102e;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.news-pc-date {
    font-size: 13px;
    color: #999;
}
.news-pc-title {
    font-size: 15px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.4;
    margin: 0;
}

/* ============================================
   首页原版风格优化
   ============================================ */

/* 认证证书标签 - 6个圆角标签横向排列 */
.cert-tags-section {
    padding: 50px 0;
}
.cert-tags-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}
.cert-tag {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 30px;
    padding: 12px 24px;
    color: #333;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
}
.cert-tag:hover {
    border-color: #c8102e;
    color: #c8102e;
    box-shadow: 0 4px 12px rgba(200,16,46,0.15);
}
.cert-tag svg {
    width: 18px;
    height: 18px;
    color: #c8102e;
}

/* Why Brands Partner With Us - 2x2布局 */
.advantage-2x2-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.advantage-2x2-card {
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 4px;
    padding: 36px 40px;
    transition: all 0.3s ease;
}
.advantage-2x2-card:hover {
    border-color: #c8102e;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.advantage-2x2-number {
    font-size: 42px;
    font-weight: 800;
    color: #c8102e;
    line-height: 1;
    margin-bottom: 16px;
}
.advantage-2x2-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.advantage-2x2-card p {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 生产流程 - 原版风格 */
.process-original {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 0;
}
.process-original-step {
    flex: 1;
    text-align: center;
    position: relative;
}
.process-original-dot {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #c8102e;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    position: relative;
    z-index: 2;
}
.process-original-arrow {
    position: absolute;
    top: 20px;
    right: -20px;
    font-size: 24px;
    color: #ddd;
    z-index: 1;
}
.process-original-step:last-child .process-original-arrow {
    display: none;
}
.process-original-step h3 {
    font-size: 16px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.process-original-step p {
    font-size: 14px;
    color: #888;
    line-height: 1.5;
    margin-bottom: 16px;
}
.process-original-time {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: #666;
    border: 1px solid #ddd;
    padding: 6px 16px;
    border-radius: 2px;
}
.process-learn-more {
    display: inline-block;
    font-size: 16px;
    font-weight: 700;
    color: #c8102e;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.process-learn-more:hover {
    text-decoration: underline;
}

/* 产品分类 - 原版风格 */
.product-original-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.product-original-card {
    background: #f8f9fa;
    border: 1px solid #eee;
    border-radius: 4px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}
.product-original-card:hover {
    box-shadow: 0 12px 32px rgba(0,0,0,0.1);
    transform: translateY(-4px);
}
.product-original-image {
    width: 100%;
    height: 280px;
    background-size: cover;
    background-position: center;
}
.product-original-body {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.product-original-body h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
    letter-spacing: 0.02em;
}
.product-original-body p {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}
.product-original-link {
    font-size: 14px;
    font-weight: 700;
    color: #c8102e;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* 工厂展示 - 原版风格 */
.factory-section {
    padding: 60px 0;
}
.factory-showcase-original {
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 20px;
    height: 400px !important;
    max-height: 400px !important;
    overflow: hidden;
}
.factory-large-original {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    height: 400px !important;
    max-height: 400px !important;
}
.factory-small-original {
    display: grid;
    grid-template-rows: 1fr 1fr;
    gap: 20px;
    height: 400px !important;
    max-height: 400px !important;
}
.factory-small-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    height: 190px !important;
    max-height: 190px !important;
}
.factory-img {
    width: 100%;
    height: 100% !important;
    max-height: 100% !important;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}
.factory-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}
.factory-large-original:hover .factory-img,
.factory-small-item:hover .factory-img {
    transform: scale(1.05);
}
.factory-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
    color: #ffffff;
}
.factory-overlay h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    text-shadow: 0 2px 8px rgba(0,0,0,0.6);
    color: #ffffff;
}
.factory-overlay p {
    font-size: 15px;
    color: #ffffff;
    margin: 0;
    text-shadow: 0 1px 4px rgba(0,0,0,0.6);
    font-weight: 400;
}
.factory-small-item .factory-overlay h3 {
    font-size: 17px;
    font-weight: 700;
    text-shadow: 0 2px 8px rgba(0,0,0,0.6);
    color: #ffffff;
}
.factory-tour-link {
    display: inline-block;
    font-size: 16px;
    font-weight: 700;
    color: #c8102e;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.factory-tour-link:hover {
    text-decoration: underline;
}

/* CTA模块 - 原版风格：白色背景+深色渐变卡片 */
.cta-section-original {
    background: #fff;
    padding: 80px 0;
}
.cta-card-original {
    position: relative;
    background: linear-gradient(135deg, #1A1D23 0%, #1A1D23 50%, #2D3139 100%);
    padding: 64px 56px;
    text-align: center;
    overflow: hidden;
}
.cta-card-decoration {
    position: absolute;
    width: 96px;
    height: 4px;
    background: #c8102e;
}
.cta-decoration-top {
    top: 0;
    left: 0;
}
.cta-decoration-bottom {
    bottom: 0;
    right: 0;
}
.cta-tag-original {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}
.cta-tag-line {
    display: inline-block;
    width: 7px;
    height: 2px;
    background: #c8102e;
}
.cta-tag-original span:last-child {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: #c8102e;
}
.cta-title-original {
    font-size: clamp(1.8rem, 3.6vw, 2.8rem);
    font-weight: 800;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.015em;
    line-height: 1.1;
    margin: 0 0 20px;
}
.cta-desc-original {
    font-size: 16px;
    line-height: 1.7;
    color: rgba(255,255,255,0.75);
    max-width: 672px;
    margin: 0 auto 32px;
}
.cta-btn-original {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 40px;
    background: #c8102e;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    text-decoration: none;
    transition: background 0.3s ease;
}
.cta-btn-original:hover {
    background: #a00d24;
}

/* 技术支持模块 - 深色半透明背景图 */
.tech-support-section {
    background: linear-gradient(135deg, rgba(26,26,26,0.95) 0%, rgba(45,45,45,0.92) 100%), url('../images/factory-production.jpg') center center / cover no-repeat;
    background-attachment: fixed;
}
.tech-support-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.tech-support-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 32px;
    transition: all 0.3s ease;
}
.tech-support-card:hover {
    background: rgba(255,255,255,0.08);
    transform: translateY(-4px);
}
.tech-support-icon {
    font-size: 32px;
    margin-bottom: 16px;
}
.tech-support-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}
.tech-support-card p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255,255,255,0.7);
    margin: 0;
}

/* 响应式 */
@media (max-width: 768px) {
    .tech-support-grid {
        grid-template-columns: 1fr;
    }
}

/* 关于我们页面 - Hero Banner和子导航 */
.about-hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}
.about-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(200,16,46,0.1) 0%, transparent 70%);
    border-radius: 50%;
}
.about-hero-content {
    max-width: 700px;
    position: relative;
    z-index: 2;
}
.about-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: #c8102e;
    margin-bottom: 20px;
}
.about-hero-title {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.015em;
    line-height: 1.1;
    margin: 0 0 24px;
}
.about-hero-desc {
    font-size: 16px;
    line-height: 1.7;
    color: rgba(255,255,255,0.8);
    margin: 0;
}

/* 子导航 */
.about-subnav {
    background: #fff;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 100;
}
.about-subnav-links {
    display: flex;
    gap: 40px;
    padding: 0;
}
.about-subnav-link {
    display: inline-block;
    padding: 20px 0;
    font-size: 15px;
    font-weight: 600;
    color: #666;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}
.about-subnav-link:hover {
    color: #c8102e;
}
.about-subnav-link.active {
    color: #c8102e;
    border-bottom-color: #c8102e;
}

/* 响应式 */
@media (max-width: 768px) {
    .about-hero {
        padding: 100px 0 60px;
    }
    .about-subnav-links {
        gap: 20px;
        overflow-x: auto;
    }
    .about-subnav-link {
        white-space: nowrap;
        font-size: 14px;
    }
}

/* 认证页面 - 还原原版设计 */
.qc-process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.qc-process-card {
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 8px;
    padding: 32px 28px;
    transition: all 0.3s ease;
}
.qc-process-card:hover {
    border-color: rgba(200,16,46,0.4);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    transform: translateY(-4px);
}
.qc-step-number {
    font-size: 48px;
    font-weight: 800;
    color: #c8102e;
    line-height: 1;
    margin-bottom: 16px;
}
.qc-step-title {
    font-size: 24px;
    font-weight: 800;
    color: #1A1D23;
    margin-bottom: 4px;
}
.qc-step-subtitle {
    font-size: 14px;
    color: #6B7280;
    margin-bottom: 20px;
    font-weight: 500;
}
.qc-step-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.qc-step-list li {
    padding: 8px 0;
    font-size: 14px;
    color: #4B5563;
    border-bottom: 1px solid #f3f4f6;
    padding-left: 16px;
    position: relative;
}
.qc-step-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #c8102e;
    font-weight: 700;
}
.qc-step-list li:last-child {
    border-bottom: none;
}

/* 危险品文件列表 */
.docs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.doc-item {
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
}
.doc-item:hover {
    border-color: rgba(200,16,46,0.4);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.doc-icon {
    font-size: 24px;
}
.doc-name {
    font-size: 13px;
    font-weight: 600;
    color: #1A1D23;
    line-height: 1.4;
}

/* SDS下载中心 */
.sds-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.sds-category {
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 8px;
    padding: 28px;
}
.sds-category-title {
    font-size: 14px;
    font-weight: 800;
    color: #c8102e;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #c8102e;
}
.sds-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.sds-list li {
    padding: 10px 0;
    border-bottom: 1px solid #f3f4f6;
}
.sds-list li:last-child {
    border-bottom: none;
}
.sds-list a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #4B5563;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}
.sds-list a:hover {
    color: #c8102e;
}
.sds-download {
    font-size: 12px;
    font-weight: 700;
    color: #c8102e;
}

/* 危险品文件卡片 - 横向滚动，图片+标题整体 */
.hazard-docs-scroll {
    overflow-x: auto;
    overflow-y: hidden;
    padding: 16px 0;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: #c8102e #e8eaed;
}
.hazard-docs-scroll::-webkit-scrollbar {
    height: 6px;
}
.hazard-docs-scroll::-webkit-scrollbar-track {
    background: #e8eaed;
    border-radius: 3px;
}
.hazard-docs-scroll::-webkit-scrollbar-thumb {
    background: #c8102e;
    border-radius: 3px;
}
.hazard-docs-track {
    display: flex;
    gap: 20px;
    padding: 8px;
}
.hazard-doc-card {
    flex: 0 0 auto;
    width: 220px;
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
    cursor: pointer;
}
.hazard-doc-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    border-color: rgba(200,16,46,0.3);
}
.hazard-doc-image {
    width: 100%;
    height: 160px;
    overflow: hidden;
    background: #f9fafb;
}
.hazard-doc-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}
.hazard-doc-card:hover .hazard-doc-image img {
    transform: scale(1.05);
}
.hazard-doc-title {
    padding: 16px 14px;
    font-size: 13px;
    font-weight: 600;
    color: #1A1D23;
    text-align: center;
    line-height: 1.4;
    border-top: 1px solid #f3f4f6;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 面包屑导航 */
.breadcrumb-bar {
    background: #f9fafb;
    border-bottom: 1px solid #e8eaed;
    padding: 10px 0;
    text-align: left;
}
.breadcrumb-bar .container {
    text-align: left;
}
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 8px;
    font-size: 13px;
    line-height: 1.5;
    justify-content: flex-start;
    text-align: left;
}

/* 产品详情页Banner - 精致设计 */
.product-detail-hero {
    position: relative;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    padding: 70px 0 60px;
    margin-top: 85px;
    overflow: hidden;
}
.product-hero-bg-overlay {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at 70% 50%, rgba(200,16,46,0.15) 0%, transparent 60%);
    pointer-events: none;
}
.product-detail-hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}
.product-detail-hero-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #c8102e;
    margin-bottom: 16px;
    padding: 6px 16px;
    background: rgba(200,16,46,0.1);
    border-radius: 20px;
    border: 1px solid rgba(200,16,46,0.3);
}
.product-detail-hero-title {
    font-size: 48px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}
.product-detail-hero-desc {
    font-size: 16px;
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    max-width: 600px;
}

/* 产品详情内容区 */
.product-detail-content {
    padding: 60px 0;
    background: #fff;
}
.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: stretch;
}
.product-detail-image {
    text-align: center;
    background: #ffffff;
    border-radius: 16px;
    padding: 30px;
    border: 1px solid #d9dde5;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
    display: flex;
    flex-direction: column;
}
.product-main-image-wrapper {
    width: 100%;
    margin-bottom: 20px;
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    /* 内框：与外框形成双层层次，浅一档的细边框 */
    border: 1px solid #e8eaed;
}
.product-main-image-wrapper .product-main-img {
    max-width: 100%;
    height: auto;
    max-height: 320px;
    object-fit: contain;
    transition: opacity 0.3s ease;
}
.product-thumbnails {
    display: flex;
    gap: 12px;
    justify-content: center;
}
.product-thumbnail {
    width: 80px;
    height: 80px;
    border: 2px solid #e8eaed;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    background: #fff;
    padding: 8px;
    transition: all 0.2s ease;
}
.product-thumbnail:hover {
    border-color: #c8102e;
    transform: translateY(-2px);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}
.product-thumbnail.active {
    border-color: #c8102e;
    box-shadow: 0 0 0 3px rgba(200,16,46,0.2);
}
.product-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.product-detail-info {
    padding-top: 10px;
    display: flex;
    flex-direction: column;
}
/* 产品标题区域 */
.product-info-header {
    margin-bottom: 16px;
}
.product-info-category {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 8px;
}
.product-info-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--dark);
    line-height: 1.25;
    margin: 0;
}
.product-info-desc {
    font-size: 14px;
    color: #6B7280;
    line-height: 1.75;
    margin-bottom: 16px;
}
/* 统一模块样式 */
.product-info-section {
    margin-bottom: 16px;
    padding-top: 16px;
    border-top: 1px solid #f0f0f0;
}
.product-info-section:first-of-type {
    border-top: none;
    padding-top: 0;
}
.product-info-section-label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}
.product-info-section-label .section-line {
    width: 3px;
    height: 16px;
    background: var(--primary);
    border-radius: 2px;
}
.product-info-section-label span:last-child {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--dark);
}
/* Key Features 2列网格 */
.product-features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 16px;
}
.product-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13px;
    color: #4B5563;
    line-height: 1.5;
}
.product-feature-icon {
    color: var(--primary);
    font-weight: 700;
    font-size: 12px;
    flex-shrink: 0;
    margin-top: 1px;
}
.product-feature-text {
    flex: 1;
}
/* 产品图右侧 - 应用场景标签 */
.product-app-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.product-app-tag {
    background: #f8f9fa;
    border: 1px solid #e5e7eb;
    color: #4B5563;
    font-size: 12px;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 6px;
    transition: all 0.2s ease;
}
.product-app-tag:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}
/* Order Information 网格 */
.order-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.order-info-item {
    background: #f8f9fa;
    border-radius: 6px;
    padding: 10px 12px;
    border-left: 3px solid var(--primary);
}
.order-info-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 2px;
}
.order-info-label {
    font-size: 10px;
    color: #6B7280;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
/* 按钮区域 */
.product-detail-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid #f0f0f0;
}
.product-detail-buttons .btn {
    flex: 1;
    min-width: 140px;
    text-align: center;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 600;
}
.breadcrumb-bar .container {
    padding-top: 0;
    padding-bottom: 0;
}
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 8px;
    font-size: 13px;
    line-height: 1.5;
}
.breadcrumb a {
    color: #6B7280;
    text-decoration: none;
    transition: color 0.2s;
    white-space: nowrap;
}
.breadcrumb a:hover {
    color: #c8102e;
}
.breadcrumb-sep {
    color: #9CA3AF;
    font-size: 14px;
    line-height: 1;
}
.breadcrumb-current {
    color: #1A1D23;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 产品详情页 - 还原原版设计 */
.product-hero-original {
    padding: 80px 0 60px;
    background: #fff;
}
.product-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.product-hero-image {
    text-align: center;
}
.product-main-img {
    max-width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: contain;
}
.product-hero-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #c8102e;
    margin-bottom: 16px;
}
.product-hero-title {
    font-size: 42px;
    font-weight: 800;
    color: #1A1D23;
    margin-bottom: 20px;
    line-height: 1.2;
}
.product-hero-desc {
    font-size: 16px;
    color: #6B7280;
    line-height: 1.8;
    margin-bottom: 32px;
}
.product-hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* 特点列表 - 简单勾选样式 */
.features-list-original {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 40px;
}
.feature-list-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
}
.feature-check-icon {
    width: 24px;
    height: 24px;
    min-width: 24px;
    background: #c8102e;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    margin-top: 2px;
}
.feature-list-item span {
    font-size: 15px;
    color: #374151;
    line-height: 1.6;
}

/* 规格和应用 - 左右并列 */
.spec-app-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: stretch;
}
.spec-block, .app-block {
    background: #fff;
    border-radius: 12px;
    padding: 36px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
}
.spec-block .section-tag,
.app-block .section-tag {
    display: block;
    margin-bottom: 12px;
}
.spec-block .section-title,
.app-block .section-title {
    margin-top: 0;
    margin-bottom: 20px;
}
.spec-block .spec-table,
.app-block .app-tags {
    margin-top: auto;
}
/* 左右列容器 - 总高度齐平，最后一个模块自动填充 */
.spec-left-column,
.spec-right-column {
    display: flex;
    flex-direction: column;
    gap: 16px;
    height: 100%;
}
.spec-left-column > :last-child,
.spec-right-column > :last-child {
    flex: 1;
}
/* 包装信息内联块 */
.packing-inline-block {
    background: #fff;
    border-radius: 12px;
    padding: 20px 36px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
}
.packing-inline-block .section-tag {
    display: block;
    margin-bottom: 8px;
}
.packing-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}
.packing-inline-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--dark);
    margin: 0;
}
.packing-compliance-section {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #f0f0f0;
}
.packing-inline-table {
    width: 100%;
    border-collapse: collapse;
}
.packing-inline-table th {
    text-align: left;
    padding: 8px 0;
    font-size: 13px;
    color: #6B7280;
    font-weight: 500;
    border-bottom: 1px solid #f3f4f6;
    width: 40%;
}
.packing-inline-table td {
    text-align: right;
    padding: 8px 0;
    font-size: 13px;
    color: var(--dark);
    font-weight: 600;
    border-bottom: 1px solid #f3f4f6;
}
.packing-inline-table tr:last-child th,
.packing-inline-table tr:last-child td {
    border-bottom: none;
}
/* 运输合规性内联块 */
.compliance-inline-block {
    background: linear-gradient(135deg, #fff5f5 0%, #fff0f0 100%);
    border: 1px solid rgba(200, 16, 46, 0.15);
    border-radius: 12px;
    padding: 20px 36px;
    display: flex;
    flex-direction: column;
}
.danger-badge-inline {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 8px;
    align-self: flex-start;
}
.compliance-inline-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--dark);
    margin: 0 0 8px;
}
.compliance-inline-desc {
    font-size: 12px;
    color: #6B7280;
    line-height: 1.6;
    margin-bottom: 10px;
}
.danger-tags-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: auto;
}
.danger-tags-inline .danger-tag {
    background: rgba(200, 16, 46, 0.08);
    color: var(--primary);
    font-size: 10px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
/* 质量认证内联块 */
.cert-inline-block {
    background: #fff;
    border-radius: 12px;
    padding: 20px 36px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
}
.cert-inline-block .section-tag {
    display: block;
    margin-bottom: 8px;
}
.cert-inline-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--dark);
    margin: 0 0 10px;
}
.cert-inline-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: auto;
}
.cert-inline-item {
    display: flex;
    align-items: center;
    gap: 5px;
    background: #f8f9fa;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 11px;
    font-weight: 600;
    color: var(--dark);
}
.cert-inline-icon {
    width: 16px;
    height: 16px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
}
.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 24px;
}
/* 移动端表格横向滚动 */
.spec-block,
.packing-inline-block {
    overflow-x: auto;
}
.spec-block table,
.packing-inline-block table {
    min-width: 400px;
}
.spec-table td {
    padding: 12px 0;
    border-bottom: 1px solid #f3f4f6;
    font-size: 14px;
}
.spec-table td:first-child {
    color: #6B7280;
    font-weight: 500;
    width: 40%;
}
.spec-table td:last-child {
    color: #1A1D23;
    font-weight: 600;
    text-align: right;
}
.spec-table tr:last-child td {
    border-bottom: none;
}
/* 参数表 - 交易关键信息高亮 */
.spec-table .spec-group-row td {
    padding: 14px 0 8px;
    border-bottom: none;
}
.spec-table .spec-group-title {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary);
    text-align: left !important;
    width: 100% !important;
    padding-top: 16px !important;
}
.spec-table .spec-group-row:first-child .spec-group-title {
    padding-top: 0 !important;
}
.spec-table .spec-highlight-row td {
    padding: 10px 12px;
    background: rgba(200, 16, 46, 0.04);
    border-bottom: 1px solid rgba(200, 16, 46, 0.1);
}
.spec-table .spec-highlight-row .spec-highlight-name {
    color: var(--primary);
    font-weight: 600;
    width: 40%;
    text-align: left;
}
.spec-table .spec-highlight-row .spec-highlight-value {
    color: var(--dark);
    font-weight: 700;
    text-align: right;
}
.app-desc {
    font-size: 15px;
    color: #4B5563;
    line-height: 1.8;
    margin-top: 24px;
    margin-bottom: 24px;
}
.app-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.app-tag {
    display: inline-block;
    padding: 8px 16px;
    background: #fef2f2;
    color: #c8102e;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

/* 定制选项卡片 - 6个一排 */
.customization-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}
.custom-card {
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 12px;
    padding: 28px 20px;
    transition: all 0.3s ease;
    text-align: center;
}
.custom-card:hover {
    border-color: rgba(200,16,46,0.4);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    transform: translateY(-4px);
}
.custom-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, rgba(200,16,46,0.08) 0%, rgba(200,16,46,0.02) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #C8102E;
    transition: all 0.3s ease;
}
.custom-card:hover .custom-icon {
    background: linear-gradient(135deg, #C8102E 0%, #a00d25 100%);
    color: #fff;
    transform: scale(1.05);
}
.custom-icon svg {
    width: 26px;
    height: 26px;
}
.custom-title {
    font-size: 15px;
    font-weight: 700;
    color: #1A1D23;
    margin-bottom: 8px;
    letter-spacing: 0.3px;
}
.custom-desc {
    font-size: 12px;
    color: #6B7280;
    line-height: 1.6;
}

/* 定制选项响应式 */
@media (max-width: 1200px) {
    .customization-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (max-width: 768px) {
    .customization-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 合规文件卡片 */
.compliance-docs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.compliance-doc-card {
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 12px;
    padding: 32px 28px;
    text-align: center;
    transition: all 0.3s ease;
}
.compliance-doc-card:hover {
    border-color: rgba(200,16,46,0.4);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    transform: translateY(-4px);
}
.compliance-doc-badge {
    display: inline-block;
    width: 60px;
    height: 60px;
    line-height: 60px;
    background: #c8102e;
    color: #fff;
    border-radius: 50%;
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 16px;
}
.compliance-doc-title {
    font-size: 16px;
    font-weight: 700;
    color: #1A1D23;
    margin-bottom: 8px;
}
.compliance-doc-desc {
    font-size: 13px;
    color: #6B7280;
    margin-bottom: 16px;
}
.compliance-doc-link {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: #c8102e;
    text-decoration: none;
    transition: opacity 0.2s;
}
.compliance-doc-link:hover {
    opacity: 0.8;
}

/* 相关产品 */
.related-products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.related-product-card {
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    transition: all 0.3s ease;
    display: block;
}
.related-product-card:hover {
    border-color: rgba(200,16,46,0.4);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    transform: translateY(-4px);
}
.related-product-image {
    height: 200px;
    background: #f9fafb;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.related-product-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.related-product-info {
    padding: 20px;
}
.related-product-category {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: #c8102e;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}
.related-product-name {
    font-size: 16px;
    font-weight: 700;
    color: #1A1D23;
    margin: 0;
}

/* 主要特点 - 参考设计，3列卡片 */
.features-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature-card-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 12px;
    padding: 28px 24px;
    transition: all 0.3s ease;
}
.feature-card-item:hover {
    border-color: rgba(200,16,46,0.3);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    transform: translateY(-3px);
}
.feature-card-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: #fef2f2;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #c8102e;
    font-size: 22px;
    font-weight: 700;
}
.feature-card-text {
    font-size: 15px;
    color: #1A1D23;
    line-height: 1.7;
    font-weight: 500;
    padding-top: 10px;
}

/* 响应式 */
@media (max-width: 768px) {
    .product-hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .product-hero-title {
        font-size: 32px;
    }
    .features-list-original {
        grid-template-columns: 1fr;
    }
    .features-cards-grid {
        grid-template-columns: 1fr;
    }
    .spec-app-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .customization-grid {
        grid-template-columns: 1fr;
    }
    .compliance-docs-grid {
        grid-template-columns: 1fr;
    }
    .related-products-grid {
        grid-template-columns: 1fr;
    }
    .product-detail-grid {
        grid-template-columns: 1fr;
    }
}

/* 联系页面 - 还原原版设计 */
.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}
.contact-info-card {
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 8px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
}
.contact-info-card:hover {
    border-color: rgba(200,16,46,0.4);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    transform: translateY(-4px);
}
.contact-info-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    background: rgba(200,16,46,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #c8102e;
}
.contact-info-icon svg {
    width: 24px;
    height: 24px;
}
.contact-info-card h3 {
    font-size: 14px;
    font-weight: 700;
    color: #1A1D23;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.contact-info-card p {
    font-size: 14px;
    color: #4B5563;
    line-height: 1.7;
    margin: 0;
}
.contact-info-card a {
    color: #c8102e;
    text-decoration: none;
}
.contact-info-card a:hover {
    text-decoration: underline;
}

/* 侧边栏列表 */
.sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.sidebar-list li {
    padding: 8px 0;
    font-size: 14px;
    color: #4B5563;
    border-bottom: 1px solid #f3f4f6;
}
.sidebar-list li:last-child {
    border-bottom: none;
}

.sidebar-card-primary {
    background: #fff;
    color: #111;
    border: 1px solid #e5e7eb;
}
.sidebar-card-primary h3 {
    color: #111;
}
.sidebar-card-primary p {
    color: #6b7280;
}

/* 响应式 */
@media (max-width: 768px) {
    .contact-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 480px) {
    .contact-info-grid {
        grid-template-columns: 1fr;
    }
}

/* SUCCESS STORIES 模块 - 还原原版设计 */
.stories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.story-card {
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 8px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}
.story-card:hover {
    border-color: rgba(200,16,46,0.4);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    transform: translateY(-4px);
}
.story-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    color: #c8102e;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}
.story-tag::before {
    content: '';
    width: 20px;
    height: 2px;
    background: #c8102e;
}
.story-title {
    font-size: 18px;
    font-weight: 700;
    color: #1A1D23;
    margin-bottom: 16px;
    line-height: 1.3;
}
.story-meta {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid #e8eaed;
}
.story-meta-row {
    display: flex;
    gap: 12px;
    margin-bottom: 8px;
    font-size: 14px;
}
.story-meta-row:last-child {
    margin-bottom: 0;
}
.story-meta-label {
    color: #6B7280;
    width: 70px;
    flex-shrink: 0;
    font-weight: 500;
}
.story-meta-value {
    color: #1A1D23;
    font-weight: 500;
    line-height: 1.5;
}
.story-desc {
    font-size: 14px;
    color: #4B5563;
    line-height: 1.7;
    margin: 0;
    margin-top: auto;
}

/* 响应式 */
@media (max-width: 768px) {
    .stories-grid {
        grid-template-columns: 1fr;
    }
}

/* PRODUCTION CAPACITY 模块 - 还原原版设计 */
.capacity-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.capacity-item {
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 8px;
    padding: 32px 24px;
    text-align: center;
}
.capacity-number {
    font-size: 28px;
    font-weight: 800;
    color: #c8102e;
    margin-bottom: 8px;
    line-height: 1.2;
}
.capacity-label {
    font-size: 13px;
    font-weight: 600;
    color: #6B7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* PACKAGING OPTIONS 模块 - 还原原版表格设计 */
.packaging-table {
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 8px;
    overflow: hidden;
}
.packaging-row {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 24px;
    padding: 16px 24px;
    border-bottom: 1px solid #e8eaed;
    align-items: center;
}
.packaging-row:last-child {
    border-bottom: none;
}
.packaging-label {
    font-size: 13px;
    font-weight: 700;
    color: #1A1D23;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.packaging-value {
    font-size: 14px;
    color: #4B5563;
    line-height: 1.6;
}

/* 响应式 */
@media (max-width: 768px) {
    .capacity-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .packaging-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}

/* 200+ MATURE FORMULAS 模块 - 还原原版设计 */
.formulas-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}
.formula-card {
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 8px;
    padding: 28px;
}
.formula-category {
    font-size: 14px;
    font-weight: 700;
    color: #1A1D23;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #c8102e;
}
.formula-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.formula-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: #4B5563;
    line-height: 1.6;
    margin-bottom: 10px;
}
.formula-list li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #c8102e;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}
.formulas-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #e8eaed;
}
.formula-tags {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.formula-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(200,16,46,0.08);
    color: #c8102e;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
}
.formula-custom {
    font-size: 14px;
    color: #6B7280;
    margin: 0;
}

/* 响应式 */
@media (max-width: 768px) {
    .formulas-grid {
        grid-template-columns: 1fr;
    }
}

/* 流程步骤 - 还原原版设计风格 */
.process-steps {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    position: relative;
    padding: 20px 0;
}
.process-steps::before {
    content: '';
    position: absolute;
    top: 52px;
    left: 8%;
    right: 8%;
    height: 2px;
    background: #e8eaed;
    z-index: 1;
}
.process-step {
    text-align: center;
    position: relative;
    z-index: 2;
    padding: 0 8px;
}
.step-number {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid #c8102e;
    color: #c8102e;
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.step-title {
    font-size: 14px;
    font-weight: 600;
    color: #1A1D23;
    margin-bottom: 4px;
    text-transform: none;
}
.step-desc {
    font-size: 12px;
    color: #6B7280;
    margin: 0;
    line-height: 1.5;
}

/* 5步骤的流程 */
.process-steps-5 {
    grid-template-columns: repeat(5, 1fr);
}
.process-steps-5::before {
    left: 10%;
    right: 10%;
}

/* 响应式 */
@media (max-width: 768px) {
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .process-steps::before {
        display: none;
    }
    .process-steps-5 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 内页CTA - 浅灰背景，和上一个白底模块形成区分 */
.cta-section-inner {
    background: #f8f9fa;
    padding: 80px 0;
    border-top: 1px solid #eee;
}
.cta-inner-content {
    text-align: center;
}
.cta-inner-title {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 800;
    color: #1a1a1a;
    text-transform: uppercase;
    letter-spacing: 0.015em;
    line-height: 1.1;
    margin: 0 0 20px;
}
.cta-inner-desc {
    font-size: 16px;
    line-height: 1.7;
    color: #666;
    max-width: 672px;
    margin: 0 auto 32px;
}

/* 响应式 */
@media (max-width: 768px) {
    .cta-card-original {
        padding: 0 24px;
    }
    .cta-title-original {
        font-size: 1.6rem;
    }
    .cta-section-inner {
        padding: 60px 0;
    }
    .cta-inner-title {
        font-size: 1.4rem;
    }
}

/* 响应式 */
@media (max-width: 1024px) {
    .advantage-2x2-grid { grid-template-columns: 1fr; }
    .process-original { flex-wrap: wrap; gap: 30px; }
    .process-original-step { flex: 0 0 45%; }
    .process-original-arrow { display: none; }
    .product-original-grid { grid-template-columns: 1fr; }
    .factory-showcase-original { grid-template-columns: 1fr; height: auto; }
    .factory-large-original { aspect-ratio: 16/9; height: auto; }
    .factory-small-original { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr; height: auto; }
}
@media (max-width: 768px) {
    .cert-tags-row { gap: 12px; }
    .cert-tag { padding: 10px 18px; font-size: 12px; }
    .advantage-2x2-card { padding: 24px; }
    .advantage-2x2-number { font-size: 32px; }
    .process-original-step { flex: 0 0 100%; }
    .product-original-image { height: 200px; }
    .cta-original h2 { font-size: 28px; }
    .cta-original p { font-size: 15px; }
    .factory-small-original { grid-template-columns: 1fr; }
    .factory-small-item { aspect-ratio: 16/9; }
}

/* ============================================
   横向时间轴 - 发展历程
   ============================================ */
.timeline-horizontal {
    position: relative;
    padding: 20px 0 30px;
}
.timeline-line {
    position: absolute;
    top: 28px;
    left: 5%;
    right: 5%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    z-index: 1;
}
.timeline-items {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}
.timeline-item {
    flex: 1;
    text-align: center;
    padding: 0 10px;
}
.timeline-dot {
    width: 16px;
    height: 16px;
    background: var(--white);
    border: 3px solid var(--primary);
    border-radius: 50%;
    margin: 0 auto 20px;
    position: relative;
    transition: all 0.3s ease;
}
.timeline-item:hover .timeline-dot {
    background: var(--primary);
    transform: scale(1.2);
}
.timeline-year {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}
.timeline-text {
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-5);
    max-width: 160px;
    margin: 0 auto;
}

/* 响应式 - 横向时间轴 */
@media (max-width: 1024px) {
    .timeline-items {
        flex-wrap: wrap;
        gap: 30px;
    }
    .timeline-item {
        flex: 0 0 30%;
    }
    .timeline-line {
        display: none;
    }
    .timeline-dot {
        margin-bottom: 12px;
    }
}
@media (max-width: 768px) {
    .timeline-horizontal {
        overflow-x: auto;
        padding-bottom: 20px;
    }
    .timeline-items {
        flex-wrap: nowrap;
        min-width: 800px;
        gap: 0;
    }
    .timeline-item {
        flex: 1;
        min-width: 130px;
    }
    .timeline-line {
        display: block;
        left: 65px;
        right: 65px;
        top: 28px;
    }
    .timeline-year {
        font-size: 22px;
    }
    .timeline-text {
        font-size: 12px;
    }
}

/* ============================================
   专家团队 - 横向一排
   ============================================ */
.team-horizontal {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.team-card {
    text-align: center;
    padding: 32px 20px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}
.team-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}
.team-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
}
.team-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}
.team-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}
.team-desc {
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-5);
}

/* 响应式 - 团队模块 */
@media (max-width: 1024px) {
    .team-horizontal {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .team-horizontal {
        grid-template-columns: 1fr;
    }
    .team-card {
        padding: 24px 16px;
    }
}

/* ============================================
   深色背景下的时间轴样式（适配section-dark）
   ============================================ */
.timeline-dark .timeline-line {
    background: linear-gradient(90deg, rgba(200,16,46,0.3), var(--primary), rgba(200,16,46,0.3));
}
.timeline-dark .timeline-dot {
    background: #1a1a1a;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(200,16,46,0.2);
}
.timeline-dark .timeline-item:hover .timeline-dot {
    background: var(--primary);
    box-shadow: 0 0 0 6px rgba(200,16,46,0.3);
}
.timeline-dark .timeline-year {
    color: var(--primary);
}
.timeline-dark .timeline-text {
    color: rgba(255,255,255,0.6);
}

/* ============================================
   技术支持 - 横向一排，紧凑布局
   ============================================ */
.tech-support-horizontal {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.tech-support-item {
    text-align: center;
    padding: 0 10px;
}
.tech-support-icon-svg {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(200,16,46,0.15);
    color: var(--primary);
    border-radius: 12px;
    border: 1px solid rgba(200,16,46,0.3);
}
.tech-support-item h3 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
    line-height: 1.3;
}
.tech-support-item p {
    font-size: 13px;
    line-height: 1.6;
    color: rgba(255,255,255,0.6);
}

/* 响应式 - 技术支持 */
@media (max-width: 1024px) {
    .tech-support-horizontal {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}
@media (max-width: 768px) {
    .tech-support-horizontal {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* ============================================
   世界地图 - 出口市场
   ============================================ */
.world-map-container {
    max-width: 800px;
    margin: 0 auto 40px;
    background: #fff;
    border-radius: 12px;
    padding: 20px 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.world-map {
    width: 100%;
    height: auto;
    display: block;
    max-height: 320px;
}
.map-label {
    font-size: 10px;
    font-weight: 600;
    fill: #333;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
.map-marker {
    cursor: pointer;
    transition: transform 0.3s ease;
}
.map-marker:hover {
    transform: scale(1.2);
    transform-origin: center;
}
.region-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
}
.region-stat {
    text-align: center;
    padding: 18px 12px;
    background: #fff;
    border-radius: 10px;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}
.region-stat:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
    border-color: #C8102E;
}
.region-stat-number {
    font-size: 28px;
    font-weight: 800;
    color: #C8102E;
    margin-bottom: 6px;
    letter-spacing: -0.02em;
}
.region-stat-name {
    font-size: 14px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 4px;
}
.region-stat-countries {
    font-size: 11px;
    color: #6c757d;
    line-height: 1.4;
}

/* 响应式 - 世界地图 */
@media (max-width: 1024px) {
    .region-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .world-map-container {
        padding: 12px;
    }
    .map-label {
        font-size: 8px;
    }
    .region-stats {
        grid-template-columns: 1fr;
    }
    .region-stat-number {
        font-size: 24px;
    }
}

/* ============================================
   全球地图 - 左右布局（地图+数字）
   ============================================ */
.global-map-wrapper {
    display: flex;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}
.global-map-left {
    flex: 1.5;
    padding: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.global-map-svg {
    width: 100%;
    height: auto;
    max-height: 280px;
}
.global-map-right {
    flex: 1;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-left: 1px solid rgba(255,255,255,0.1);
}
.global-stat {
    margin-bottom: 20px;
}
.global-stat-number {
    font-size: 42px;
    font-weight: 800;
    color: #C8102E;
    line-height: 1;
    margin-bottom: 4px;
    letter-spacing: -0.02em;
}
.global-stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.global-regions-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.region-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,0.8);
}
.region-dot {
    width: 8px;
    height: 8px;
    background: #C8102E;
    border-radius: 50%;
    flex-shrink: 0;
}

/* 响应式 - 全球地图 */
@media (max-width: 900px) {
    .global-map-wrapper {
        flex-direction: column;
    }
    .global-map-left {
        padding: 20px;
    }
    .global-map-right {
        border-left: none;
        border-top: 1px solid rgba(255,255,255,0.1);
        padding: 25px;
    }
    .global-stat-number {
        font-size: 32px;
    }
}
@media (max-width: 600px) {
    .global-map-svg {
        max-height: 200px;
    }
    .global-regions-list {
        grid-template-columns: 1fr;
    }
    .global-stat-number {
        font-size: 28px;
    }
}

/* ============================================
   科技感点阵地图
   ============================================ */
.tech-map-wrapper {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}
.tech-map-svg {
    width: 100%;
    height: auto;
    display: block;
}

/* 去掉之前地图标记的hover抖动效果 */
.map-marker {
    cursor: default;
    transform: none !important;
}
.map-marker:hover {
    transform: none !important;
}

/* ============================================
   公司介绍 + 地图 左右布局
   ============================================ */
.profile-map-wrapper {
    display: flex;
    gap: 50px;
    align-items: center;
}
.profile-text {
    flex: 1.2;
}
.profile-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 20px;
    color: #1a1a1a;
    letter-spacing: -0.02em;
}
.profile-text p {
    font-size: 15px;
    line-height: 1.8;
    color: #6c757d;
    margin-bottom: 16px;
}
.profile-stats {
    display: flex;
    gap: 20px;
    margin: 25px 0;
    padding: 20px 0;
    border-top: 1px solid #e9ecef;
    border-bottom: 1px solid #e9ecef;
}
.profile-stat {
    text-align: center;
    flex: 1;
}
.profile-stat-icon {
    width: 32px;
    height: 32px;
    margin: 0 auto 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.profile-stat-icon svg {
    width: 24px;
    height: 24px;
}
.profile-stat-num {
    font-size: 22px;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 4px;
    letter-spacing: -0.02em;
}
.profile-stat-label {
    font-size: 11px;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}
.profile-map {
    flex: 1;
}
.profile-map-svg {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}

/* 响应式 - 公司介绍+地图 */
@media (max-width: 900px) {
    .profile-map-wrapper {
        flex-direction: column;
        gap: 30px;
    }
    .profile-text {
        order: 1;
    }
    .profile-map {
        order: 2;
        width: 100%;
    }
}
@media (max-width: 768px) {
    /* 移动端所有多列模块改成2列 - 全覆盖所有页面 */
    .team-horizontal,
    .tech-support-horizontal,
    .features-grid,
    .why-grid,
    .capacity-grid,
    .cert-grid,
    .product-grid,
    .product-original-grid,
    .advantage-2x2-grid,
    .testi-cards-grid,
    .formulas-grid,
    .stories-grid,
    .factory-grid,
    .profile-stats {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 15px !important;
    }
    
    /* 移动端3列模块也改成2列 */
    .steps-grid,
    .news-grid,
    .blog-grid,
    .stats-grid,
    .news-pc-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 15px !important;
    }
    
    /* 移除移动端边框 */
    .stat-item {
        border-right: none !important;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        padding-bottom: 15px;
    }
    .stat-item:last-child,
    .stat-item:nth-child(2) {
        border-bottom: none;
    }
}

/* ========== 产品详情页新增模块样式 ========== */

/* MOQ & Lead Time */
.moq-lead-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 40px;
}
.moq-lead-card {
    background: #fff;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    padding: 28px 24px;
    text-align: center;
    transition: all 0.3s ease;
}
.moq-lead-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.1);
    border-color: #C8102E;
}
.moq-lead-icon {
    font-size: 36px;
    margin-bottom: 12px;
}
.moq-lead-card h3 {
    font-size: 14px;
    color: #6B7280;
    margin: 0 0 8px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.moq-lead-value {
    font-size: 22px;
    font-weight: 700;
    color: #C8102E;
    margin: 0 0 4px 0;
}
.moq-lead-label {
    font-size: 12px;
    color: #9CA3AF;
    margin: 0;
}

/* Packing Information */
.packing-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    margin-top: 40px;
    align-items: start;
}
.packing-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.packing-table th {
    background: #F9FAFB;
    padding: 14px 20px;
    text-align: left;
    font-weight: 600;
    color: #374151;
    border-bottom: 1px solid #E5E7EB;
    width: 40%;
}
.packing-table td {
    padding: 14px 20px;
    color: #111827;
    border-bottom: 1px solid #F3F4F6;
}
.packing-table tr:last-child td {
    border-bottom: none;
}
.packing-dangerous {
    background: linear-gradient(135deg, #FEF2F2, #FEE2E2);
    border: 1px solid #FECACA;
    border-radius: 12px;
    padding: 28px;
}
.danger-badge {
    display: inline-block;
    background: #C8102E;
    color: #fff;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 16px;
}
.packing-dangerous h3 {
    font-size: 20px;
    margin: 0 0 12px 0;
    color: #991B1B;
}
.packing-dangerous p {
    color: #7F1D1D;
    line-height: 1.7;
    margin: 0 0 16px 0;
}
.danger-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.danger-tag {
    background: #fff;
    color: #991B1B;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid #FECACA;
}

/* Certifications */
.certifications-list {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    margin-top: 40px;
}
.cert-badge-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    border: 2px solid #E5E7EB;
    border-radius: 50px;
    padding: 12px 24px;
    font-weight: 600;
    color: #374151;
    transition: all 0.3s ease;
}
.cert-badge-item:hover {
    border-color: #C8102E;
    background: #FEF2F2;
    color: #C8102E;
}
.cert-icon {
    width: 24px;
    height: 24px;
    background: #C8102E;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
}

/* Sample Policy */
.sample-policy-box {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 16px;
    padding: 48px;
    text-align: center;
    color: #111827;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}
.sample-icon {
    font-size: 48px;
    margin-bottom: 16px;
}
.sample-policy-box h2 {
    font-size: 28px;
    margin: 0 0 16px 0;
    color: #111827;
}
.sample-policy-box p {
    font-size: 16px;
    color: #4B5563;
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto 24px auto;
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 40px auto 0 auto;
}
.faq-item {
    background: #fff;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 16px;
    transition: all 0.3s ease;
}
.faq-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.faq-question {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}
.faq-q {
    background: #C8102E;
    color: #fff;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}
.faq-question span:last-child {
    font-weight: 600;
    color: #111827;
    line-height: 1.5;
}
.faq-answer {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding-left: 36px;
}
.faq-a {
    background: #10B981;
    color: #fff;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}
.faq-answer span:last-child {
    color: #6B7280;
    line-height: 1.7;
}

/* CTA Section */
.section-cta {
    background: linear-gradient(135deg, #C8102E, #991B1B);
    padding: 80px 0;
}
.cta-box {
    text-align: center;
    color: #fff;
}
.cta-box h2 {
    font-size: 36px;
    margin: 0 0 16px 0;
}
.cta-box p {
    font-size: 18px;
    color: #FECACA;
    margin: 0 0 32px 0;
}
.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}
.btn-large {
    padding: 14px 32px !important;
    font-size: 16px !important;
}
.btn-outline-light {
    background: transparent !important;
    border: 2px solid #fff !important;
    color: #fff !important;
}
.btn-outline-light:hover {
    background: #fff !important;
    color: #C8102E !important;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .moq-lead-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .packing-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    .sample-policy-box {
        padding: 32px 20px;
    }
    .faq-answer {
        padding-left: 0;
    }
}

/* ========== 产品卡片优化 ========== */
.product-card {
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 32px rgba(0,0,0,0.12);
}
.product-card-image {
    position: relative;
    overflow: hidden;
}
.product-card-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.product-card:hover .product-card-image::after {
    opacity: 1;
}
.product-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: #C8102E;
    color: #fff;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(200,16,46,0.3);
}
.product-card-link {
    transition: all 0.3s ease;
}
.product-card:hover .product-card-link {
    color: #C8102E;
    letter-spacing: 0.5px;
}

/* 产品卡片图片统一比例 */
.product-card-image {
    aspect-ratio: 1 / 1;
}

/* ========== 移动端适配优化 ========== */
@media (max-width: 768px) {
    /* 所有表格支持横向滚动 */
    .spec-table,
    .packing-table,
    table {
        display: block;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* 规格表格最小宽度，防止文字挤压 */
    .spec-table {
        min-width: 480px;
    }
    .packing-table {
        min-width: 420px;
    }
    
    /* 表格容器添加滚动提示 */
    .spec-block,
    .packing-detail {
        position: relative;
    }
    
    /* MOQ卡片移动端2列 */
    .moq-lead-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .moq-lead-card {
        padding: 20px 16px;
    }
    .moq-lead-value {
        font-size: 18px;
    }
    
    /* 认证标签移动端 */
    .certifications-list {
        gap: 10px;
    }
    .cert-badge-item {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    /* FAQ移动端 */
    .faq-item {
        padding: 16px;
    }
    .faq-answer {
        padding-left: 0;
    }
    
    /* 产品详情页图片缩小 */
    .product-detail-image {
        max-width: 100%;
    }
}

/* WhatsApp悬浮按钮优化 */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37,211,102,0.4);
    z-index: 999;
    transition: all 0.3s ease;
}
.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37,211,102,0.5);
}
.whatsapp-float svg {
    width: 30px;
    height: 30px;
    fill: white;
}

/* 移动端WhatsApp按钮稍小，避免遮挡 */
@media (max-width: 768px) {
    .whatsapp-float {
        width: 48px;
        height: 48px;
        bottom: 16px;
        right: 16px;
    }
    .whatsapp-float svg {
        width: 26px;
        height: 26px;
    }
}

/* 产品详情页参数表格移动端优化 */
@media (max-width: 768px) {
    .spec-app-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .app-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    .app-tag {
        font-size: 13px;
        padding: 6px 12px;
    }
}

/* ========== 产品详情页悬浮CTA按钮 ========== */
.floating-cta {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
}
.floating-cta.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.floating-cta-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
    white-space: nowrap;
}
.floating-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}
.floating-cta-quote {
    background: #C8102E;
    color: #fff;
}
.floating-cta-quote:hover {
    background: #A00D24;
    color: #fff;
}
.floating-cta-sample {
    background: #fff;
    color: #C8102E;
    border: 2px solid #C8102E;
}
.floating-cta-sample:hover {
    background: #FEF2F2;
    color: #C8102E;
}
.floating-cta-whatsapp {
    background: #25D366;
    color: #fff;
}
.floating-cta-whatsapp:hover {
    background: #128C7E;
    color: #fff;
}
.floating-cta-icon {
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 移动端：固定在底部，横向排列 */
@media (max-width: 768px) {
    .floating-cta {
        bottom: 0;
        left: 0;
        right: 0;
        flex-direction: row;
        gap: 0;
        border-radius: 0;
        box-shadow: 0 -4px 16px rgba(0,0,0,0.1);
    }
    .floating-cta-btn {
        flex: 1;
        justify-content: center;
        border-radius: 0;
        padding: 14px 10px;
        font-size: 13px;
        box-shadow: none;
    }
    .floating-cta-btn:hover {
        transform: none;
    }
    /* 移动端给页面底部留出空间，避免内容被悬浮栏遮挡 */
    body {
        padding-bottom: 60px;
    }
}

/* ========== CLS布局偏移优化 ========== */
/* 所有图片默认响应式，防止溢出 */
img {
    max-width: 100%;
    height: auto;
}

/* 产品主图容器固定宽高比，防止加载时跳动 */
.product-main-image-wrapper {
    aspect-ratio: 4/3;
}

/* 产品详情页参数表容器固定最小高度 */
.spec-table-wrapper {
    min-height: 200px;
}

/* 博客/新闻卡片图片固定宽高比 */
.article-image {
    aspect-ratio: 16/9;
}

/* 案例研究卡片优化渲染性能 */
.case-study-card {
    content-visibility: auto;
}

/* 视频/iframe容器固定宽高比 */
.video-container {
    aspect-ratio: 16/9;
    max-width: 100%;
}

/* 产品详情页移动端优化 */
@media (max-width: 768px) {
    .product-info-title {
        font-size: 22px;
    }
    .product-info-desc {
        font-size: 13px;
        margin-bottom: 16px;
    }
    .product-info-section {
        margin-bottom: 16px;
        padding-top: 16px;
    }
    .product-features-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .product-feature-item {
        font-size: 12px;
    }
    .order-info-grid {
        gap: 8px;
    }
    .order-info-item {
        padding: 10px 12px;
    }
    .order-info-value {
        font-size: 16px;
    }
    .order-info-label {
        font-size: 10px;
    }
    .product-detail-buttons {
        flex-direction: column;
        gap: 10px;
    }
    .product-detail-buttons .btn {
        width: 100%;
    }
    /* 规格和应用移动端 */
    .spec-app-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        align-items: start;
    }
    .spec-block, .app-block,
    .packing-inline-block, .compliance-inline-block,
    .cert-inline-block {
        padding: 24px;
    }
    .spec-left-column,
    .spec-right-column {
        height: auto;
        gap: 16px;
    }
    .spec-left-column > :last-child,
    .spec-right-column > :last-child {
        flex: none;
    }
    .packing-inline-title,
    .compliance-inline-title,
    .cert-inline-title {
        font-size: 20px;
    }
    .spec-block .spec-table,
    .app-block .app-tags,
    .danger-tags-inline,
    .cert-inline-list {
        margin-top: 0;
    }
}

/* OEM/ODM 统一标识 */
.product-card-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: #db131d;
    color: white;
    font-size: 9px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 2px;
    letter-spacing: 0.3px;
    z-index: 2;
}

.product-main-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: #db131d;
    color: white;
    font-size: 10px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 3px;
    letter-spacing: 0.3px;
    z-index: 10;
}

.product-main-image-wrapper {
    position: relative;
}

/* ============================================
   移动端优化 - 减少页面长度，2列布局
   ============================================ */
@media (max-width: 768px) {
    /* 定制选项 - 2列布局（原1列6行 → 2列3行） */
    .customization-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }
    .custom-card {
        padding: 16px 12px !important;
    }
    .custom-card h4 {
        font-size: 13px !important;
    }
    .custom-card p {
        font-size: 11px !important;
    }
    
    /* 合规文档 - 2列布局（原1列3行 → 2列2行） */
    .compliance-docs-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }
    .compliance-doc-card {
        padding: 20px 12px !important;
    }
    .compliance-doc-card h4 {
        font-size: 13px !important;
    }
    .compliance-doc-desc {
        font-size: 11px !important;
    }
    
    /* 相关产品 - 2列布局 */
    .related-products-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }
    
    /* 产品特性 - 保持2列 */
    .product-features-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px 12px !important;
    }
    
    /* 特性列表 - 2列布局 */
    .features-list-original {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }
    
    /* 特性卡片 - 2列布局 */
    .features-cards-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }
    
    /* 规格和应用 - 减少间距 */
    .spec-app-grid {
        gap: 16px !important;
    }
    .spec-block, .app-block {
        padding: 20px 16px !important;
    }
    
    /* 产品详情主网格 - 减少间距 */
    .product-detail-grid {
        gap: 24px !important;
    }
    
    /* 通用section减少上下间距 */
    .section {
        padding: 40px 0 !important;
    }
    .section-header {
        margin-bottom: 24px !important;
    }
    .section-title {
        font-size: 24px !important;
    }
}

@media (max-width: 480px) {
    /* 超小屏幕保持2列，只缩小字体 */
    .customization-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
    }
    .compliance-docs-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
    }
    .related-products-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
    }
    .product-features-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 6px 8px !important;
    }
    .features-list-original {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
    }
    .features-cards-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
    }
}

/* ============================================
   5步流程移动端优化 - 2列网格，减少页面长度
   ============================================ */
@media (max-width: 768px) {
    .process-original {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 20px 16px !important;
        padding: 10px 0 !important;
    }
    .process-original-step {
        flex: none !important;
        text-align: center;
        padding: 12px 8px !important;
        background: #f8f9fa;
        border-radius: 8px;
    }
    /* 最后一个步骤居中 */
    .process-original-step:last-child {
        grid-column: 1 / -1;
        max-width: 50%;
        margin: 0 auto;
    }
    .process-original-dot {
        width: 44px !important;
        height: 44px !important;
        font-size: 16px !important;
        margin-bottom: 10px !important;
    }
    .process-original-arrow {
        display: none !important;
    }
    .process-original-step h3 {
        font-size: 12px !important;
        margin-bottom: 6px !important;
    }
    .process-original-step p {
        font-size: 11px !important;
        margin-bottom: 8px !important;
        line-height: 1.4 !important;
    }
    .process-original-time {
        font-size: 10px !important;
        padding: 4px 10px !important;
    }
}

@media (max-width: 480px) {
    .process-original {
        gap: 12px 10px !important;
    }
    .process-original-step {
        padding: 10px 6px !important;
    }
    .process-original-dot {
        width: 38px !important;
        height: 38px !important;
        font-size: 14px !important;
    }
    .process-original-step h3 {
        font-size: 11px !important;
    }
    .process-original-step p {
        font-size: 10px !important;
    }
}

/* ============================================================
   2026-09-02 移动端体验优化（追加修复，勿删）
   修复三处「移动端被拉长」根因：
   1) footer-grid 移动端单列堆叠过长 → 600px 内改 2 列（品牌列全宽）
   2) 768px「全覆盖 2 列 !important」规则误伤内容型大卡
      （首页产品家族 .product-original-grid / 客户评价 .testi-cards-grid）
      → 600px 内恢复单列并压缩卡内留白
   3) .product-card-image height:240px 顶掉了 aspect-ratio:1/1
      → 图片被强制 240px 宽挤爆 172px 窄卡 → 移动端改 height:auto
   ============================================================ */
@media (max-width: 600px) {
    /* ---------- 1) 页脚 2 列布局（全站受益） ---------- */
    .footer { padding: 46px 0 28px; }
    .footer-grid { grid-template-columns: 1fr 1fr !important; gap: 26px 22px !important; margin-bottom: 36px; }
    .footer-grid > *:first-child { grid-column: 1 / -1; }
    .footer h4 { font-size: 14px; margin-bottom: 14px; }
    .footer p { font-size: 13px; line-height: 1.6; margin-bottom: 12px; }
    .footer ul li { margin-bottom: 9px; }
    .footer ul li a { font-size: 13px; }
    .footer-contact-item { margin-bottom: 9px; font-size: 13px; line-height: 1.5; }
    .footer-bottom { flex-wrap: wrap; gap: 10px 18px; padding-top: 18px; font-size: 12px; }
    .footer-bottom-links { gap: 16px; }

    /* ---------- 2a) 首页产品家族：恢复单列舒展 ---------- */
    .product-original-grid { grid-template-columns: 1fr !important; gap: 18px !important; }
    .product-original-body { padding: 22px; }
    .product-original-body h3 { font-size: 18px; margin-bottom: 10px; }
    .product-original-body p { font-size: 14px; line-height: 1.65; margin-bottom: 14px; }

    /* ---------- 2b) 首页客户评价：恢复单列 ---------- */
    .testi-cards-grid { grid-template-columns: 1fr !important; gap: 18px !important; }
    .testi-card { padding: 26px 22px; }
    .testi-quote-icon { margin-bottom: 16px; }
    .testi-text { font-size: 14px; margin-bottom: 18px; }

    /* ---------- 3) 产品列表卡片：图片按列宽自适应，内容紧凑化 ---------- */
    .product-card-image { height: auto; }
    .product-card-body { padding: 14px 12px 16px; }
    .product-card-count { font-size: 10px; letter-spacing: 0.04em; margin-bottom: 6px; line-height: 1.4; }
    .product-card-title { font-size: 15px; line-height: 1.4; margin-bottom: 8px; }
    .product-card-desc { font-size: 13px; line-height: 1.5; margin-bottom: 10px; }
    .product-card-link { font-size: 12px; }
}

@media (max-width: 400px) {
    .footer-grid { gap: 20px 16px !important; }
    .product-card-title { font-size: 14px; }
    .product-card-body { padding: 12px 10px 14px; }
}

/* ============================================================
   2026-09-02 移动端体验优化 v2.1（追加）
   - 首页产品家族/客户评价大卡：单列仍过长 → 改横向滑动
     （CSS-only，服务端 HTML 不变，SEO 正文统计零影响）
   - footer：Contact 列改全宽 + 行距压缩，进一步降高
   ============================================================ */
@media (max-width: 600px) {
    .product-original-grid,
    .testi-cards-grid {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        gap: 16px !important;
        margin: 0 -16px;
        padding: 4px 16px 14px;
        scrollbar-width: none;
    }
    .product-original-grid::-webkit-scrollbar,
    .testi-cards-grid::-webkit-scrollbar { display: none; }
    .product-original-card,
    .testi-card {
        flex: 0 0 86%;
        scroll-snap-align: start;
        min-width: 0;
    }
    .product-original-card {
        display: flex;
        flex-direction: column;
        height: auto;
    }
    .testi-card {
        display: flex;
        flex-direction: column;
    }
    .testi-text { flex: 1 1 auto; }
    .testi-author { margin-top: auto; }

    /* footer：Contact 列全宽 + 行距压缩 */
    .footer-grid > :nth-child(4) { grid-column: 1 / -1; }
    .footer ul li { margin-bottom: 6px; }
    .footer ul li a { line-height: 1.45; }
    .footer-brand p { margin-bottom: 0; }
}

/* ============================================================
   2026-09-02 移动端体验优化 v2.2（追加）
   - OEM/ODM PACKAGING OPTIONS：≤640px 7 张卡全宽单列堆叠过长
     → 改横向滑动卡片（CSS-only，服务端 HTML/正文零改动，
       SEO 正文统计零影响）
   - 深色强调卡 Material & Quality 保留横向 icon+文字排布
   ============================================================ */
@media (max-width: 640px) {
    .packaging-grid {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        gap: 14px !important;
        margin: 24px -16px 0 !important;
        padding: 4px 16px 14px;
        scrollbar-width: none;
    }
    .packaging-grid::-webkit-scrollbar { display: none; }
    .packaging-card {
        flex: 0 0 80%;
        scroll-snap-align: start;
        min-width: 0;
        display: flex;
        flex-direction: column;
    }
    .packaging-desc { flex: 1 1 auto; }
    /* 深色强调宽卡：滑动宽度略大，内容保持横向 */
    .packaging-card-wide {
        flex: 0 0 94%;
        flex-direction: row !important;
        text-align: left !important;
        align-items: center;
        gap: 18px;
    }
    .packaging-card-wide .packaging-content { padding-top: 0; }
    .packaging-card-wide .packaging-desc { flex: none; }
}