/* Apple 风格设计系统 - 前海粤十 */

/* ========== 基础变量 ========== */
:root {
    --primary-color: #0071e3;
    --primary-hover: #0077ed;
    --text-primary: #1d1d1f;
    --text-secondary: #86868b;
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f7;
    --bg-tertiary: #fafafa;
    --border-color: #d2d2d7;
    --success-color: #34c759;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
}

/* ========== 重置样式 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro SC", "SF Pro Text", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 17px;
    line-height: 1.47059;
    font-weight: 400;
    letter-spacing: -0.022em;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========== 导航栏 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 48px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 22px;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo{
    height: 48px;
}
.logo a {
    display: inline-block;
    text-decoration: none;
    color: inherit;
    height: 48px;
}

.logo a img{
    height: 48px;
}

.logo-text {
    font-size: 20px;
    font-weight: 600;
    fill: var(--text-primary);
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 400;
    opacity: 0.8;
    transition: opacity 0.2s ease;
}

.nav-menu a:hover {
    opacity: 1;
}

.nav-menu a.active {
    color: var(--primary-color);
    opacity: 1;
}

/* ========== Hero 区域 ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 22px 80px;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    z-index: 2;
}

.hero-title {
    font-size: 56px;
    line-height: 1.07143;
    font-weight: 600;
    letter-spacing: -0.005em;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 24px;
    line-height: 1.33337;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border-radius: 980px;
    font-size: 17px;
    font-weight: 400;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: scale(1.02);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.hero-image {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.gradient-orb {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0,113,227,0.15) 0%, rgba(0,113,227,0) 70%);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.8; }
}

/* ========== 统计数据 ========== */
.stats {
    padding: 80px 22px;
    background: var(--bg-primary);
}

.stats-container {
    max-width: 980px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    line-height: 1;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 400;
}

/* ========== Section 通用样式 ========== */
.section-container {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 22px;
}

.section-title {
    font-size: 40px;
    line-height: 1.1;
    font-weight: 600;
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 21px;
    line-height: 1.38095;
    font-weight: 400;
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 60px;
}

/* ========== 解决方案（首页） ========== */
.solutions {
    padding: 100px 22px;
    background: var(--bg-secondary);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.solution-card {
    background: var(--bg-primary);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.solution-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.solution-icon {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #2997ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.solution-card h3 {
    font-size: 24px;
    line-height: 1.16667;
    font-weight: 600;
    margin-bottom: 12px;
}

.solution-card p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.47059;
}

/* ========== 产品展示（首页） ========== */
.products {
    padding: 100px 22px;
    background: var(--bg-primary);
}

.product-showcase {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.product-item {
    padding: 40px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.product-item h3 {
    font-size: 28px;
    line-height: 1.1;
    font-weight: 600;
    margin-bottom: 12px;
}

.product-item > p {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.product-features {
    list-style: none;
}

.product-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 15px;
    color: var(--text-primary);
}

.product-features li:last-child {
    border-bottom: none;
}

/* ========== 首页 - 技术实力 ========== */
.tech-featured {
    padding: 100px 22px;
    background: #1d1d1f;
}

.tech-featured .section-title {
    color: white;
}

.tech-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.tech-stat-card {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 18px;
    backdrop-filter: blur(20px);
}

.tech-stat-card .stat-number {
    font-size: 48px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
}

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

/* ========== 关于我们（首页） ========== */
.about {
    padding: 100px 22px;
    background: var(--bg-secondary);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-lead {
    font-size: 21px;
    line-height: 1.38095;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.about-text p {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.highlight {
    text-align: center;
    padding: 30px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
}

.highlight strong {
    display: block;
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.highlight span {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ========== 合作伙伴 ========== */
.partners {
    padding: 100px 22px;
    background: var(--bg-primary);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.partners-desc {
    text-align: center;
    margin-bottom: 40px;
}

.partners-desc p {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.partner-category h4 {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.partner-category h4 i {
    color: var(--primary-color);
    font-size: 16px;
}

.partner-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.partner-tags span {
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-radius: 980px;
    font-size: 14px;
    color: var(--text-primary);
}

/* ========== CTA 通用区域 ========== */
.cta-section {
    background: linear-gradient(135deg, #0071e3 0%, #005bb5 100%);
    color: #fff;
    padding: 80px 0;
}

.cta-section .section-container {
    text-align: center;
}

.cta-section h2 {
    font-size: 36px;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
}

.btn-cta {
    background: #fff;
    color: var(--primary-color);
    padding: 14px 32px;
    border-radius: 980px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
}

/* ========== 页脚 ========== */
.footer {
    padding: 10px 22px;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-container {
    max-width: 980px;
    margin: 0 auto;
}

.footer-container p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.footer-container a {
    font-size: 12px;
    color: var(--text-secondary);
    text-decoration: none;
}

.footer-container a:hover {
    color: var(--text-primary);
}

/* ========== 产品中心页 ========== */
.products-hero {
    padding: 160px 22px 100px;
    background: #000000;
    color: white;
    text-align: center;
}

.products-hero h1 {
    font-size: 64px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.products-hero p {
    font-size: 28px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.product-section {
    padding: 120px 22px;
    background: var(--bg-secondary);
}

.product-section.white {
    background: white;
}

.product-section.dark {
    background: #000000;
    color: white;
}

.product-section.dark .section-subtitle {
    color: var(--text-secondary);
}

.product-section .product-showcase {
    max-width: 1200px;
    margin: 0 auto;
}

.product-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: scale(1.02);
}

.product-card.dark {
    background: #1d1d1f;
    color: white;
}

.product-image {
    height: 320px;
    background: linear-gradient(135deg, #0071e3 0%, #00c7be 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 120px;
}

.product-image.forklift img {
    width: 200px;
    height: 200px;
}

.product-card.dark .product-image {
    background: linear-gradient(135deg, #4a4a4f 0%, #1d1d1f 100%);
}

.product-image.gradient-dark { background: linear-gradient(135deg, #1d1d1f 0%, #4a4a4f 100%); }
.product-image.gradient-purple { background: linear-gradient(135deg, #8e44ad 0%, #3498db 100%); }
.product-image.gradient-red { background: linear-gradient(135deg, #ff2d55 0%, #ff6482 100%); }
.product-image.gradient-orange { background: linear-gradient(135deg, #ff9500 0%, #ffad33 100%); }
.product-image.gradient-green { background: linear-gradient(135deg, #34c759 0%, #30d158 100%); }
.product-image.gradient-meat { background: linear-gradient(135deg, #ff3b30 0%, #ff5e57 100%); }

.product-info {
    padding: 30px;
}

.product-tag {
    display: inline-block;
    padding: 6px 14px;
    background: var(--primary-color);
    color: white;
    border-radius: 980px;
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 16px;
}

.product-tag.green { background: var(--success-color); }
.product-tag.orange { background: #ff9500; }
.product-tag.purple { background: #af52de; }
.product-tag.red { background: #ff3b30; }

.product-name {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.product-desc {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.5;
}

.product-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.product-card.dark .product-specs {
    border-top-color: #424245;
}

.spec-item {
    text-align: center;
}

.spec-value {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
}

.spec-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.product-cta {
    display: flex;
    gap: 16px;
    margin-top: 24px;
}

.btn-learn {
    flex: 1;
    padding: 14px 24px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 980px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease;
    text-align: center;
    text-decoration: none;
}

.btn-learn:hover {
    background: var(--primary-hover);
}

.btn-outline {
    flex: 1;
    padding: 14px 24px;
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 980px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    text-decoration: none;
}

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

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-1 { grid-template-columns: 1fr; }

/* ========== 客户案例页 ========== */
.cases-hero {
    padding: 100px 0 60px;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, #ffffff 100%);
}

.cases-list {
    padding: 60px 0;
}

.case-card {
    background: #fff;
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
}

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.case-card h2 {
    margin-bottom: 16px;
}

.case-card > div > p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.case-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 980px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.case-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 16px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid #e5e5e5;
}

.case-stat {
    text-align: center;
}

.case-stat-number {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
}

.case-stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.case-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: center;
}

.case-placeholder {
    border-radius: 12px;
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 16px;
}

.case-placeholder img {
    width: 100%;
    height: 100%;
}

.cases-more {
    text-align: center;
    margin-top: 40px;
}

.cases-more h3 {
    margin-bottom: 16px;
    color: var(--text-primary);
}

.cases-more p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* ========== 荣誉资质页 ========== */
.honors-hero {
    padding: 100px 0 60px;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, #ffffff 100%);
}

.honor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.honor-card {
    background: #fff;
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.honor-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.honor-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.honor-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.honor-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.honor-year {
    display: inline-block;
    margin-top: 12px;
    padding: 4px 12px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 980px;
    font-size: 13px;
    font-weight: 600;
}

.cert-section {
    padding: 60px 0;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-top: 40px;
}

.cert-card {
    text-align: center;
}

.cert-placeholder {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
}

.cert-placeholder img {
    width: 100%;
}

.cert-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.stats-highlight {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 24px;
    margin: 40px 0;
}

.stat-highlight-item {
    text-align: center;
    padding: 32px;
    background: linear-gradient(135deg, #0071e3 0%, #005bb5 100%);
    border-radius: 16px;
    color: #fff;
}

.stat-highlight-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 8px;
}

.stat-highlight-label {
    font-size: 16px;
    opacity: 0.9;
}

/* ========== 关于我们页 ========== */
.about-hero {
    padding: 160px 22px 100px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, #ffffff 100%);
    text-align: center;
}

.about-hero h1 {
    font-size: 56px;
    font-weight: 600;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #1d1d1f 0%, #0071e3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-hero p {
    font-size: 24px;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
}

.mission-section {
    padding: 100px 22px;
    background: white;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 980px;
    margin: 60px auto 0;
}

.mission-card {
    text-align: center;
    padding: 40px;
    background: var(--bg-secondary);
    border-radius: 18px;
}

.mission-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.mission-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.mission-card p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.company-section {
    padding: 100px 22px;
    background: white;
}

.company-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.company-content p {
    font-size: 17px;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.info-card {
    padding: 24px;
    background: var(--bg-secondary);
    border-radius: 12px;
}

.info-card h4 {
    font-size: 18px;
    margin-bottom: 12px;
}

.info-card p {
    color: var(--text-secondary);
}

.about-honors-section {
    padding: 100px 22px;
    background: white;
}

.about-honors-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.about-honor-item {
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 12px;
}

.about-honor-item .icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.about-honor-item .text {
    font-size: 15px;
    font-weight: 600;
}

.timeline-section {
    padding: 100px 22px;
    background: var(--bg-secondary);
}

.timeline {
    max-width: 800px;
    margin: 60px auto 0;
    position: relative;
}

.timeline:before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--primary-color);
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: 50px;
    margin-bottom: 40px;
    position: relative;
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: 50px;
}

.timeline-content {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    max-width: 400px;
}

.timeline-year {
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 8px;
}

.timeline-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.timeline-desc {
    font-size: 15px;
    color: var(--text-secondary);
}

.timeline-dot {
    position: absolute;
    right: -6px;
    top: 20px;
    width: 14px;
    height: 14px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 3px solid white;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -6px;
    right: auto;
}

/* ========== 联系我们页 ========== */
.contact-hero {
    padding: 160px 22px 80px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, #ffffff 100%);
    text-align: center;
}

.contact-hero h1 {
    font-size: 56px;
    font-weight: 600;
    margin-bottom: 16px;
}

.contact-hero p {
    font-size: 24px;
    color: var(--text-secondary);
}

.contact-section {
    padding: 80px 22px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    max-width: 980px;
    margin: 0 auto;
}

.contact-info-card {
    background: white;
    padding: 40px;
    border-radius: 18px;
    box-shadow: var(--shadow-md);
}

.contact-info-card h2,
.contact-form-card h2 {
    font-size: 28px;
    margin-bottom: 30px;
}

.contact-item {
    margin-bottom: 32px;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.contact-value {
    font-size: 18px;
    color: var(--text-primary);
    font-weight: 500;
}

.contact-form-card {
    background: white;
    padding: 40px;
    border-radius: 18px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.required-mark {
    color: #ff3b30;
}

.multi-select {
    position: relative;
}

.multi-select-trigger {
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 16px;
    cursor: pointer;
    background: #fff;
    color: var(--text-secondary);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.multi-select-trigger.has-value {
    color: var(--text-primary);
}

.multi-select.open .multi-select-trigger {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.1);
}

.multi-select-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 10;
    padding: 8px 0;
}

.multi-select.open .multi-select-dropdown {
    display: block;
}

.multi-select-option {
    display: flex !important;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 15px;
    font-weight: 400 !important;
    cursor: pointer;
    transition: background 0.15s ease;
    margin-bottom: 0;
}

.multi-select-option:hover {
    background: var(--bg-secondary);
}

.multi-select-option input[type="checkbox"] {
    width: auto;
    padding: 0;
    margin: 0;
}

.submit-btn {
    width: 100%;
    padding: 16px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease;
}

.submit-btn:hover {
    background: var(--primary-hover);
}

.map-section {
    padding: 80px 22px;
    background: var(--bg-secondary);
}

.map-container {
    max-width: 980px;
    margin: 0 auto;
    background: white;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map-placeholder {
    height: 400px;
    background: linear-gradient(135deg, #0071e3 0%, #00c7be 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
}

.map-placeholder-icon {
    font-size: 80px;
    margin-bottom: 20px;
}

.map-placeholder-text {
    font-size: 20px;
    font-weight: 500;
}

.office-section {
    padding: 80px 22px;
    background: white;
}

.office-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 980px;
    margin: 0 auto;
}

.office-card {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 18px;
    text-align: center;
}

.office-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.office-city {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.office-address {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ========== 解决方案详情页 ========== */
.solutions-hero {
    padding: 100px 0 60px;
    background: linear-gradient(135deg, #0071e3 0%, #005bb5 100%);
    color: #fff;
}

.solutions-hero .section-container {
    text-align: center;
}

.solutions-hero .hero-title {
    font-size: 48px;
    -webkit-text-fill-color: white;
    background: none;
}

.solutions-hero .hero-subtitle {
    opacity: 0.9;
    color: white;
}

.solution-detail {
    padding: 60px 0;
}

.solution-section {
    margin-bottom: 60px;
}

.solution-heading {
    font-size: 36px;
    margin-bottom: 16px;
}

.solution-desc {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.solution-section h3 {
    font-size: 28px;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.feature-card {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0,113,227,0.15);
}

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

.feature-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.feature-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.benefit-list {
    list-style: none;
    padding: 0;
}

.benefit-list li {
    padding: 12px 0;
    padding-left: 32px;
    position: relative;
    border-bottom: 1px solid #e5e5e5;
}

.benefit-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.benefit-list li:last-child {
    border-bottom: none;
}

.solution-value-box {
    margin-top: 40px;
    padding: 32px;
    background: var(--bg-secondary);
    border-radius: 16px;
}

.solution-value-box h3 {
    margin-bottom: 24px;
}

.tab-nav {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 24px;
    background: var(--bg-secondary);
    border: none;
    border-radius: 980px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active {
    background: var(--primary-color);
    color: #fff;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ========== 技术实力页 ========== */
.tech-hero {
    padding: 160px 22px 100px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, #ffffff 100%);
    text-align: center;
}

.tech-hero h1 {
    font-size: 56px;
    font-weight: 600;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #1d1d1f 0%, #0071e3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tech-hero p {
    font-size: 24px;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
}

.tech-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 980px;
    margin: 60px auto 0;
}

.tech-stat {
    background: white;
    padding: 30px;
    border-radius: 18px;
    box-shadow: var(--shadow-md);
}

.tech-stat-number {
    font-size: 48px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
}

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

.section-dark {
    background: #1d1d1f;
    color: white;
    padding: 100px 22px;
}

.section-dark .section-title {
    color: white;
}

.section-dark .section-subtitle {
    color: var(--text-secondary);
}

.section-dark .cert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.cert-item {
    background: rgba(255,255,255,0.1);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    backdrop-filter: blur(20px);
}

.cert-item.light {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

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

.cert-desc {
    font-size: 14px;
    color: var(--text-secondary);
}

.patent-list {
    max-width: 800px;
    margin: 0 auto;
}

.patent-item {
    background: var(--bg-secondary);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 16px;
    border-left: 4px solid var(--primary-color);
}

.patent-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
}

.patent-type {
    font-size: 14px;
    color: var(--text-secondary);
}

.system-showcase {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.system-showcase + .system-showcase {
    margin-top: 30px;
}

.system-card {
    background: linear-gradient(135deg, #0071e3 0%, #00c7be 100%);
    padding: 40px;
    border-radius: 18px;
    color: white;
}

.system-card.dark { background: linear-gradient(135deg, #1d1d1f 0%, #4a4a4f 100%); }
.system-card.teal { background: linear-gradient(135deg, #00c7be 0%, #0071e3 100%); }
.system-card.purple { background: linear-gradient(135deg, #8e44ad 0%, #3498db 100%); }

.system-card h3 {
    font-size: 28px;
    margin-bottom: 16px;
}

.system-card p {
    font-size: 17px;
    opacity: 0.9;
    margin-bottom: 20px;
}

.system-features {
    list-style: none;
}

.system-features li {
    padding: 8px 0;
    font-size: 15px;
    opacity: 0.85;
}

.system-features li:before {
    content: "✓ ";
    margin-right: 8px;
}

.award-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 12px;
    margin-bottom: 16px;
}

.award-icon {
    font-size: 36px;
}

.award-info h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 4px;
}

.award-info p {
    font-size: 14px;
    color: var(--text-secondary);
}

.tech-device-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.content-section {
    padding: 100px 22px;
}

.content-section.bg-white { background: white; }
.content-section.bg-gray { background: var(--bg-secondary); }

/* ========== 供应链能力页 ========== */
.supply-hero {
    padding: 160px 22px 100px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, #ffffff 100%);
    text-align: center;
}

.supply-hero h1 {
    font-size: 56px;
    font-weight: 600;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #1d1d1f 0%, #0071e3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.supply-hero p {
    font-size: 24px;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
}

.supply-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 980px;
    margin: 60px auto 0;
}

.supply-stat {
    background: white;
    padding: 30px;
    border-radius: 18px;
    box-shadow: var(--shadow-md);
}

.supply-stat-number {
    font-size: 48px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
}

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

.network-map {
    background: linear-gradient(135deg, #0071e3 0%, #00c7be 100%);
    padding: 100px 22px;
    color: white;
}

.network-map .section-title { color: white; }
.network-map .section-subtitle { color: var(--text-secondary); }

.network-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 980px;
    margin: 60px auto 0;
}

.network-card {
    background: rgba(255,255,255,0.15);
    padding: 30px;
    border-radius: 18px;
    backdrop-filter: blur(20px);
}

.network-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
}

.network-card p {
    font-size: 17px;
    opacity: 0.9;
    margin-bottom: 20px;
}

.network-list {
    list-style: none;
}

.network-list li {
    padding: 8px 0;
    font-size: 15px;
    opacity: 0.85;
}

.network-list li:before {
    content: "✓ ";
    margin-right: 8px;
}

.sc-case-section {
    padding: 100px 22px;
    background: white;
}

.sc-case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 980px;
    margin: 60px auto 0;
}

.sc-case-card {
    background: var(--bg-secondary);
    border-radius: 18px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

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

.sc-case-image {
    height: 200px;
    background: linear-gradient(135deg, #0071e3 0%, #00c7be 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
}

.sc-case-content {
    padding: 30px;
}

.sc-case-tag {
    display: inline-block;
    padding: 6px 12px;
    background: var(--primary-color);
    color: white;
    border-radius: 980px;
    font-size: 12px;
    margin-bottom: 12px;
}

.sc-case-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.sc-case-desc {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.5;
}

.sc-case-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.sc-case-metric {
    text-align: center;
    padding: 12px;
    background: white;
    border-radius: 12px;
}

.sc-case-metric-value {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
}

.sc-case-metric-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.product-supply {
    padding: 100px 22px;
    background: var(--bg-secondary);
}

.sc-product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 980px;
    margin: 60px auto 0;
}

.sc-product-card {
    background: white;
    border-radius: 18px;
    padding: 30px;
    text-align: center;
}

.sc-product-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.sc-product-name {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.sc-product-origin {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.sc-product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.sc-product-tag {
    padding: 4px 10px;
    background: var(--bg-secondary);
    border-radius: 980px;
    font-size: 12px;
    color: var(--text-primary);
}

.flow-diagram {
    padding: 100px 22px;
    background: white;
}

.flow-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 60px auto 0;
    position: relative;
}

.flow-step {
    text-align: center;
    padding: 30px 20px;
    background: var(--bg-secondary);
    border-radius: 18px;
    position: relative;
    z-index: 2;
}

.flow-step-number {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
    margin: 0 auto 16px;
}

.flow-step-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.flow-step-desc {
    font-size: 14px;
    color: var(--text-secondary);
}

.flow-arrow {
    position: absolute;
    top: 50%;
    right: -10px;
    transform: translateY(-50%);
    font-size: 24px;
    color: var(--primary-color);
}

.supply-advantages {
    padding: 100px 22px;
    background: var(--bg-secondary);
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.advantage-card {
    background: white;
    padding: 30px;
    border-radius: 18px;
}

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

.advantage-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.advantage-card p {
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ========== 新闻中心页 ========== */
.news-hero {
    padding: 160px 22px 80px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, #ffffff 100%);
    text-align: center;
}

.news-hero h1 {
    font-size: 56px;
    font-weight: 600;
    margin-bottom: 16px;
}

.news-hero p {
    font-size: 24px;
    color: var(--text-secondary);
}

.news-section {
    padding: 80px 22px;
}

.news-category {
    margin-bottom: 60px;
}

.news-category-title {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 30px;
    padding-left: 16px;
    border-left: 4px solid var(--primary-color);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card {
    background: white;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.news-image {
    height: 200px;
    background: linear-gradient(135deg, #0071e3 0%, #00c7be 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
}

.news-content {
    padding: 24px;
}

.news-date {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.news-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-excerpt {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 16px;
}

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

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

/* ========== 通用页面 Hero ========== */
.page-hero {
    padding: 100px 0 60px;
    text-align: center;
}

.page-hero .hero-title {
    font-size: 48px;
}

/* ========== 响应式设计 ========== */
@media (max-width: 1024px) {
    .product-section .product-showcase {
        grid-template-columns: 1fr;
    }
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: 20px;
    }

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

    .solutions-grid,
    .product-showcase,
    .about-highlights,
    .partners-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 36px;
    }

    .case-content {
        grid-template-columns: 1fr;
    }

    .products-hero h1 {
        font-size: 40px;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }

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

    .timeline:before {
        left: 20px;
    }

    .timeline-item, .timeline-item:nth-child(even) {
        padding-left: 50px;
        padding-right: 0;
        justify-content: flex-start;
    }

    .timeline-dot, .timeline-item:nth-child(even) .timeline-dot {
        left: 14px;
        right: auto;
    }

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

    .tech-stats,
    .section-dark .cert-grid,
    .system-showcase {
        grid-template-columns: 1fr;
    }

    .tech-hero h1,
    .supply-hero h1 {
        font-size: 40px;
    }

    .supply-stats,
    .network-grid,
    .sc-case-grid,
    .sc-product-grid,
    .flow-steps {
        grid-template-columns: 1fr;
    }

    .flow-arrow {
        display: none;
    }

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

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

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

    .advantage-grid,
    .about-honors-grid,
    .info-grid {
        grid-template-columns: 1fr;
    }
}

/* ========== 动画效果 ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.solution-card,
.product-item,
.highlight {
    animation: fadeInUp 0.6s ease-out;
}