/* Variables */
:root {
    /* Colors */
    --primary-color: #0071e3;
    --primary-hover: #0077ed;
    --text-primary: #1d1d1f;
    --text-secondary: #86868b;
    --background-light: #f5f5f7;
    --background-white: #ffffff;
    --border-color: #d2d2d7;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* Border Radius */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: 72px; /* Offset for fixed nav bar */
    background: #f5f5f7;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.015em;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

/* Navigation */
.nav-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    /* For dark Apple-style look, use the following instead: */
    /* background: linear-gradient(90deg, #0a1626 0%, #101c2c 100%); */
    backdrop-filter: saturate(180%) blur(20px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 0.05em;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius-sm);
    transition: background 0.2s, color 0.2s;
}

.nav-links a:not(.cta-button):hover {
    background: var(--background-light);
    color: var(--primary-color);
}

.cta-button {
    background: linear-gradient(90deg, #0071e3 0%, #005bb5 100%);
    color: #fff !important;
    font-weight: 600;
    border-radius: 16px;
    padding: 0.5rem 1.5rem;
    margin-left: 1.5rem;
    box-shadow: 0 4px 16px rgba(0,113,227,0.12);
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
    position: relative;
    z-index: 1;
}

.cta-button:hover {
    background: linear-gradient(90deg, #005bb5 0%, #0071e3 100%);
    color: #fff;
    box-shadow: 0 6px 24px rgba(0,113,227,0.18);
}

/* Hero Section */
.hero {
    padding: calc(var(--spacing-xl) * 1.5) var(--spacing-md) 6rem var(--spacing-md); /* Adjusted padding-bottom */
    background: var(--background-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    
    /* Added background image */
    background-image: url('../images/warehouse.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative; /* Needed for overlay positioning */
    color: #fff; /* Changed text color for better contrast */
}

.hero::before { /* Added background overlay */
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7); /* Darker overlay with 70% opacity */
    z-index: 1; /* Ensure overlay is below text but above background image */
}

.hero-content {
    max-width: 600px;
    position: relative; /* Ensure content is above overlay */
    z-index: 2;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin: var(--spacing-md) 0;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.primary-button {
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    font-weight: 500;
    transition: background-color var(--transition-fast);
}

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

.secondary-button {
    color: var(--primary-color);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: opacity var(--transition-fast);
}

.secondary-button:hover {
    opacity: 0.8;
}

/* Stats Section */
.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
}

.stat-item h2 {
    color: var(--primary-color);
    font-size: 3rem;
    margin-bottom: var(--spacing-xs);
}

/* Services Section */
section.services {
    margin-top: 0.05rem !important;
    margin-bottom: 0.05rem !important;
    padding-top: 0.2rem !important;
    padding-bottom: 0.05rem !important;
}
section.services h1 {
    text-align: center !important;
}
section.services h2 {
    text-align: center !important;
    color: var(--text-secondary) !important;
}
.services-grid-home {
    margin-top: 0.1rem !important;
    margin-bottom: 0.1rem !important;
}
.suppliers-logos,
.content-section {
    margin-top: 0.05rem !important;
    margin-bottom: 0.05rem !important;
}

.services h2 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 1.35rem; /* 与service-card-home h3一致 */
    font-weight: 400; /* 取消粗体 */
}

/* Services Grid - Home Page 4x1 Layout */
.services-grid-home {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem; /* 减小卡片间距 */
    max-width: 1200px;
    margin: 0 auto;
}

.service-card-home {
    background: var(--background-white); /* White background for cards */
    padding: 1.5rem 0.5rem; /* 减小卡片内部padding */
    border-radius: var(--border-radius-lg); /* Larger border radius */
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08); /* Updated shadow */
    text-align: center; /* Center text */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start; /* Align items to the top */
}

.service-card-home:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.12); /* Darker shadow on hover */
}

.service-icon-home {
    width: 48px; /* Icon size */
    height: 48px; /* Icon size */
    margin-bottom: var(--spacing-sm); /* Adjusted margin below icon */
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color); /* Primary color for icons */
}

.service-icon-home svg {
    width: 100%;
    height: 100%;
}

.service-card-home h3 {
    font-size: 1.35rem; /* Adjusted title font size */
    font-weight: 600;
    color: var(--text-primary); /* Dark title color */
    margin-bottom: var(--spacing-xs); /* Adjusted margin below title */
}

.service-card-home p {
    font-size: 1rem; /* Adjusted description font size */
    color: var(--text-secondary); /* Secondary color for description */
    line-height: 1.6;
    margin: 0;
}

/* Partnership Section */
.partnership {
    padding: var(--spacing-md) var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.partnership-flex {
    max-width: 1200px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 2rem;
}

.partnership-content {
    flex: 1 1 35%; /* 左侧内容最大不超过35%宽度 */
    text-align: left;
    max-width: 35%; /* 确保内容不会撑开超过35% */
}

.partnership-image {
    flex: 1 1 65%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: var(--spacing-sm);
    box-sizing: border-box;
}

.partnership-image img {
    max-width: 400px;
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.partnership-image .contact-form {
    height: 380px; /* Set a fixed height for predictability */
    width: 150%; /* Adjusted width to 150% as requested */
    /* max-width: 400px; Keep a maximum width for larger screens */
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-sizing: border-box;
    padding: var(--spacing-sm); /* Keep the reduced padding */
    margin: 0 auto; /* Center the form horizontally */
    /* overflow: hidden; Hide any overflowing content within the form */
}

.partnership-image .contact-form .form-group {
    width: 100%; /* Ensure form groups take full width of the form */
    margin-bottom: var(--spacing-sm); /* Reduced margin bottom */
}

.partnership-image .contact-form input,
.partnership-image .contact-form textarea {
    width: 100%; /* This is 100% of the parent (.form-group) */
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-family);
    box-sizing: border-box; /* Ensure padding and border are included in the element's total width */
}

.partnership-image .contact-form textarea {
    height: 100px; /* Further adjusted textarea height */
    resize: vertical;
}

.partnership-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.4;
    text-align: justify;
}

.benefits-list {
    list-style: none;
    margin: var(--spacing-md) 0;
    text-align: left;
    display: inline-block;
}

.benefits-list li {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
    position: relative;
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-primary);
}

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

.partnership-content p {
    max-width: 90%;
    text-align: left;
    margin-left: 0;
    margin-right: 0;
}

/* Contact Section */
.contact {
    background: var(--background-light);
    padding: var(--spacing-xl) var(--spacing-md);
}

.contact h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
}

.contact-form {
    background: var(--background-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-family);
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.contact-info {
    padding: var(--spacing-md);
}

.contact-info h3 {
    margin-bottom: var(--spacing-md);
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: var(--background-white);
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
}

.footer-section h4 {
    margin-bottom: var(--spacing-md);
    color: var(--background-white);
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    display: block;
    margin-bottom: var(--spacing-xs);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    max-width: 1200px;
    margin: var(--spacing-xl) auto 0;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--text-secondary);
}

/* Mobile Menu Button */
.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-button span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 4px 0;
    transition: var(--transition-fast);
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px;
        right: 16px;
        left: 16px;
        background: rgba(255,255,255,0.98);
        border-radius: 12px;
        box-shadow: 0 8px 32px rgba(0,0,0,0.10);
        padding: 1rem 0;
        opacity: 0;
        transform: translateY(-20px);
        pointer-events: none;
        transition: opacity 0.3s cubic-bezier(.4,0,.2,1), transform 0.3s cubic-bezier(.4,0,.2,1);
    }
    .nav-links.show {
        display: flex;
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }
    .mobile-menu-button {
        display: block;
    }
    body {
        padding-top: 60px;
    }
    .services-grid-home {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    .service-card-home {
        padding: 1rem 0.5rem;
    }
    .service-icon-home {
        width: 40px;
        height: 40px;
    }
    .service-card-home h3 {
        font-size: 1.2rem;
    }
    .service-card-home p {
        font-size: 0.95rem;
    }
    .partnership-image .contact-form {
        width: 100%; /* On smaller screens, allow form to take full width of its container */
        max-width: none; /* Remove max-width constraint on small screens */
        margin: 0; /* Remove horizontal centering margin on small screens */
        padding: var(--spacing-xs); /* Further reduce padding on very small screens */
    }
    .partnership-image {
        padding: var(--spacing-xs); /* Adjust container padding on small screens */
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.service-card-home,
.partnership-content {
    animation: fadeIn 0.8s ease-out forwards;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

/* --- 当前高亮导航标签 --- */
.nav-links a.active {
    color: var(--primary-color) !important;
    background: var(--background-light);
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(0,113,227,0.06);
}

/* --- FAQ's Section --- */
.faqs {
    background: var(--background-light);
    padding: var(--spacing-xl) var(--spacing-md);
}
.faqs-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
    padding: 0 1rem;
}
.faqs h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}
.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}
.faq-item {
    background: var(--background-white);
    border-radius: var(--border-radius-md);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    overflow: hidden;
    transition: box-shadow 0.2s;
}
.faq-item:hover {
    box-shadow: 0 4px 16px rgba(0,113,227,0.10);
}
.faq-question {
    width: 100%;
    background: none;
    border: none;
    outline: none;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: left;
    padding: 1.2rem 1.5rem;
    cursor: pointer;
    transition: background 0.2s;
    position: relative;
    line-height: 1.4;
}
.faq-question::after {
    content: '+';
    position: absolute;
    right: 1.5rem;
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform 0.2s;
}
.faq-item.active .faq-question {
    background: var(--background-light);
}
.faq-item.active .faq-question::after {
    content: '-';
    transform: rotate(180deg);
}
.faq-answer {
    display: none;
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: var(--text-primary);
    font-size: 1.13rem;
    line-height: 1.8;
    animation: fadeIn 0.3s;
    margin-top: 0.2rem;
}
.faq-item.active .faq-answer {
    display: block;
}

/* --- About Us 极简苹果风格美化 --- */
.about-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 96px 0 64px 0;
}
.about-hero {
    text-align: center;
    margin-bottom: 64px;
}
.about-hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 2.2rem;
    text-align: center;
    color: var(--text-primary);
    line-height: 1.1;
}
.about-hero .hero-subtitle {
    font-size: 1.35rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0;
}
.about-section {
    background: none;
    border-radius: 0;
    box-shadow: none;
    padding: 0 32px;
    margin-bottom: 56px;
    text-align: center;
}
.about-section h1 {
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 2.2rem;
    text-align: center;
    color: var(--text-primary);
    line-height: 1.1;
}
.about-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
}
.about-section p, .about-section ul {
    margin-top: 1.7rem;
}
.about-values {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    max-width: 520px;
    text-align: left;
}
.about-values li {
    margin-bottom: 1.2rem;
    font-size: 1.08rem;
    color: var(--text-secondary);
    line-height: 1.7;
    padding-left: 1.2em;
    position: relative;
}
.about-values li::before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-size: 1.2em;
    top: 0.1em;
}
.about-divider {
    border: none;
    border-top: 1.5px solid #e0e0e5;
    margin: 56px auto;
    width: 60%;
    opacity: 0.5;
}
@media (max-width: 768px) {
    .about-main {
        padding: 72px 0 32px 0;
    }
    .about-section {
        padding: 0 10px;
    }
    .about-divider {
        width: 90%;
    }
}

/* --- 团队成员 --- */
.team-list {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}
.team-member {
    background: var(--background-light);
    border-radius: var(--border-radius-md);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    padding: var(--spacing-md);
    text-align: center;
    width: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.team-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    margin-bottom: var(--spacing-sm);
    background: #eaeaea;
    object-fit: cover;
}
.team-info h3 {
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}
.team-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* --- 合作伙伴logo --- */
.partners-logos {
    margin: var(--spacing-lg) 0;
    text-align: center;
}
.partners-logos h3 {
    margin-bottom: var(--spacing-md);
}
.logo-list {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}
.logo-list img {
    height: 48px;
    width: auto;
    filter: grayscale(1) contrast(1.2);
    opacity: 0.8;
    transition: filter 0.2s, opacity 0.2s;
}
.logo-list img:hover {
    filter: none;
    opacity: 1;
}

/* --- 公司历程时间线 --- */
.timeline {
    margin: var(--spacing-lg) 0;
    padding-left: 0.5rem;
}
.timeline h3 {
    margin-bottom: var(--spacing-md);
}
.timeline-list {
    list-style: none;
    padding: 0;
    margin: 0;
    border-left: 3px solid var(--primary-color);
}
.timeline-list li {
    position: relative;
    padding: 0.5rem 0 0.5rem 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}
.timeline-year {
    font-weight: 700;
    color: var(--primary-color);
    margin-right: 0.5rem;
}
.timeline-list li::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 1.1em;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    transform: translateY(-50%);
}
@media (max-width: 900px) {
    .team-list {
        flex-direction: column;
        align-items: center;
    }
    .logo-list {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

/* --- Services 页面字体和排版优化 --- */
.service-group {
    background: none;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
    margin-bottom: 56px;
}
.service-group h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2.2rem;
    letter-spacing: -0.01em;
    text-align: center;
    line-height: 1.1;
}
.service-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    justify-content: stretch;
    width: 100%;
}
.service-item {
    background: var(--background-white);
    border-radius: var(--border-radius-md);
    box-shadow: 0 4px 24px rgba(0,113,227,0.10);
    padding: 2.2rem 2rem 1.7rem 2rem;
    min-width: 0;
    flex: 1 1 0;
    margin-bottom: 0.5rem;
    transition: box-shadow 0.2s, transform 0.2s;
    max-width: unset;
}
.service-item:hover {
    box-shadow: 0 12px 32px rgba(0,113,227,0.16);
    transform: translateY(-4px) scale(1.02);
}
.service-item h3 {
    font-size: 1.18rem;
    font-weight: 700;
    margin-bottom: 1.1rem;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}
.service-item p {
    color: var(--text-secondary);
    font-size: 1.08rem;
    line-height: 1.8;
    font-weight: 400;
}
@media (max-width: 900px) {
    .service-list {
        flex-direction: column;
        gap: 1.2rem;
    }
    .service-item {
        max-width: 100%;
        min-width: 0;
        padding: 1.5rem 1rem 1.2rem 1rem;
    }
    .service-group h2 {
        font-size: 1.4rem;
    }
}

.about-section.cta-section h2 {
    margin-bottom: 1.5rem;
}
.about-section.cta-section p {
    margin-bottom: 2rem;
    margin-top: 0.5rem;
}
.about-section.cta-section .primary-button {
    margin-top: 2.2rem;
}

/* --- 团队成员 --- */
.team-list {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}
.team-member {
    background: var(--background-light);
    border-radius: var(--border-radius-md);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    padding: var(--spacing-md);
    text-align: center;
    width: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.team-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    margin-bottom: var(--spacing-sm);
    background: #eaeaea;
    object-fit: cover;
}
.team-info h3 {
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}
.team-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 所有二级标题 h2（含intro、分组） */
.service-intro-title,
.service-group h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2.2rem;
    letter-spacing: -0.01em;
    text-align: center;
    line-height: 1.1;
}

.service-highlights {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.1rem;
    margin: 2.2rem 0 1.5rem 0;
}
.highlight-item {
    font-size: 1.13rem;
    color: var(--text-primary);
    font-weight: 600;
    background: #f7f7f7;
    border-radius: 16px;
    padding: 0.9rem 2.2rem;
    box-shadow: none;
    text-align: center;
    letter-spacing: 0.01em;
    transition: background 0.2s;
}
.highlight-text strong {
    color: var(--text-primary);
    font-weight: 700;
}
.highlight-icon {
    font-size: 1.1em;
    color: var(--primary-color);
    margin-right: 0.6em;
    font-weight: 700;
    vertical-align: middle;
}
@media (max-width: 600px) {
    .service-highlights {
        gap: 0.7rem;
    }
    .highlight-item {
        font-size: 1rem;
        padding: 0.7rem 1rem;
    }
}

.faqs-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
    padding: 0 1rem;
}
.faq-q {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 2.2rem;
    margin-bottom: 1.1rem;
    line-height: 1.2;
    text-align: left;
}
.faq-a {
    font-size: 1.13rem;
    color: var(--text-primary);
    margin-bottom: 1.7rem;
    line-height: 1.8;
    text-align: left;
}
@media (max-width: 768px) {
    .faqs-container {
        padding: 0 0.8rem;
    }
    .faq-q {
        font-size: 1.2rem;
        padding: 1rem 1rem;
    }
    .faq-a {
        font-size: 1rem;
        padding: 0 1rem 1rem 1rem;
    }
}

.about-lead {
    font-size: 1.35rem;
    color: #18181a;
    font-weight: 500;
    line-height: 1.85;
    margin-bottom: 0;
    letter-spacing: 0.01em;
    text-align: justify;
}

.about-content-card {
    background: #fff;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 6px 32px rgba(0,0,0,0.08);
    padding: 2.2rem 2.2rem;
    margin: 0 auto 2.2rem auto;
    max-width: 1200px;
    text-align: left;
}
.about-lead-list {
    list-style: disc inside;
    font-size: 1.35rem;
    color: #18181a;
    font-weight: 500;
    line-height: 1.85;
    margin: 0;
    padding: 0;
}
.about-lead-list li {
    margin-bottom: 1.2rem;
    letter-spacing: 0.01em;
}
@media (max-width: 900px) {
    .about-content-card {
        padding: 1.2rem 1rem 1rem 1rem;
    }
    .about-lead-list {
        font-size: 1.08rem;
    }
}

.about-values-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
    justify-items: center;
    margin: 2.2rem auto 1.5rem auto;
    max-width: 1200px;
    padding: 0 1rem;
}

.value-card {
    background: #fff;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    padding: 2.2rem 1.8rem;
    width: 100%;
    height: 100%;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}

.value-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.value-icon svg {
    width: 100%;
    height: 100%;
}

.value-card strong {
    font-size: 1.35rem;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.8rem;
    display: block;
    text-align: center;
    line-height: 1.3;
}

.value-desc {
    font-size: 1.08rem;
    color: var(--text-secondary);
    font-weight: 400;
    line-height: 1.6;
    text-align: center;
    margin: 0;
}

@media (max-width: 900px) {
    .about-values-cards {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 0 0.8rem;
    }
    
    .value-card {
        min-height: 240px;
        padding: 1.8rem 1.2rem;
    }
    
    .value-icon {
        width: 40px;
        height: 40px;
        margin-bottom: 1rem;
    }
    
    .value-card strong {
        font-size: 1.2rem;
        margin-bottom: 0.6rem;
    }
    
    .value-desc {
        font-size: 1rem;
    }
}

.content-section {
    display: flex !important;
    flex-direction: column !important;
    gap: 1.2rem !important;
}

.content-block {
    background: var(--background-white);
    padding: 1rem 1rem;
    border-radius: var(--border-radius-md); /* Adjusted border-radius */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    display: flex; /* Use flexbox for internal layout */
    flex-direction: row; /* Image and text side-by-side by default */
    align-items: center; /* Vertically align items */
    gap: 1.2rem; /* Space between image and text */
    margin-top: 0 !important;
    margin-bottom: 1.2rem !important;
}

.content-block:last-child {
    margin-bottom: 0 !important;
}

.content-block img {
    width: 40%; /* Image takes 40% width on large screens */
    max-width: 300px; /* Maximum width for the image */
    height: auto; /* Maintain aspect ratio */
    border-radius: var(--border-radius-sm); /* Slightly rounded corners for image */
    margin-bottom: 0; /* Remove bottom margin */
    margin-right: 0; /* Remove right margin (gap handles spacing) */
    flex-shrink: 0; /* Prevent image from shrinking */
    object-fit: cover; /* Ensure image covers the area without distortion */
}

.content-block:nth-child(even) {
    flex-direction: row-reverse; /* Reverse direction for even blocks (image on right) */
}

.content-block h2 {
    font-size: 2rem; /* Adjusted font size */
    margin-bottom: var(--spacing-sm); /* Adjusted margin */
    color: var(--text-primary);
}

.content-block p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6; /* Adjusted line height */
}

.content-divider {
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    border: none;
    margin: var(--spacing-sm) 0; /* Adjusted margin */
}

.content-block .text-content {
    flex-grow: 1; /* Text content takes remaining space */
}

/* Responsive adjustments */
@media (max-width: 767px) {
    .content-section {
        gap: var(--spacing-md);
    }

    .content-block {
        flex-direction: column; /* Stacked layout on small screens */
        align-items: center;
        text-align: center;
        gap: var(--spacing-md);
    }

     .content-block img {
        width: 80%; /* Wider image on small screens */
        max-width: none; /* Remove max-width constraint */
        margin-bottom: var(--spacing-md); /* Add bottom margin */
    }

     .content-block h2,
     .content-block p,
     .content-divider {
         text-align: center; /* Center text elements */
         margin-left: auto;
         margin-right: auto;
     }
     
     .content-block:nth-child(even) {
         flex-direction: column; /* Even blocks also stack on small screens */
     }

}

/* --- 覆盖suppliers-logos样式，确保生效 --- */
.suppliers-logos {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 10;
    margin: 0;
    top: -40px;
}

/* --- 滚动外层容器 --- */
.suppliers-logos-outer {
    width: 90vw;
    max-width: 900px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.10);
    padding: 18px 32px;
    overflow: hidden;
    position: relative;
}

.suppliers-logos-container {
    display: flex;
    flex-wrap: nowrap;
    gap: 32px;
    align-items: center;
    animation: scroll-logos 30s linear infinite;
}

.suppliers-logos-container:hover {
    animation-play-state: paused;
}

@keyframes scroll-logos {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.suppliers-logos-container img {
    height: 48px;
    width: 120px;
    object-fit: contain;
    background: #fff;
    border-radius: 8px;
    padding: 4px 8px;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: none;
    display: block;
    flex: 0 0 auto;
}
.suppliers-logos-container img:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

@media (max-width: 600px) {
  .suppliers-logos-outer {
    padding: 10px 4vw;
  }
  .suppliers-logos-container {
    gap: 16px;
  }
}

/* 统一主要区块宽度和居中 */
.services,
.content-section,
.partnership,
.contact,
.footer-content {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

/* 减小各区块上下间距和padding */
.services,
.content-section,
.partnership,
.contact {
    margin-top: 0.2rem;
    margin-bottom: 0.2rem;
    padding-top: 0.7rem;
    padding-bottom: 0.7rem;
}

/* 减小卡片、内容块的padding和margin */
.service-card-home,
.content-block {
    padding: 1rem 1rem;
    margin-bottom: 0.5rem;
}

.services-grid-home {
    margin-bottom: 0 !important;
}

.content-block {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
}

@media (max-width: 900px) {
    .services,
    .content-section,
    .partnership,
    .contact,
    .footer-content {
        max-width: 100%;
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
    .service-card-home,
    .content-block {
        padding: 0.7rem 0.5rem;
    }
}

.services,
.faqs,
.about-main,
.about-section,
.about-content-card {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

section.services > *:last-child {
    margin-bottom: 0 !important;
}

.content-section > *:first-child {
    margin-top: 0 !important;
}

@media (max-width: 900px) {
    .partnership-flex {
        flex-direction: column;
        align-items: flex-start;
        max-width: 100%;
        gap: 1rem;
    }
    .partnership-content {
        flex: none;
        max-width: 100%;
    }
    .partnership-image {
        width: 100%;
        justify-content: center;
        margin-top: 1.5rem;
        flex: none;
    }
    .partnership-image img {
        max-width: 100%;
    }
    .partnership-image .contact-form {
        width: 100%;
        max-width: 100%;
    }
}