/* ===== 完美版 - 专业B2B外贸官网样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 蓝色科技主题 */
    --primary-blue: #1E40AF;
    --primary-blue-hover: #1E3A8A;
    --secondary-blue: #3B82F6;
    --light-blue: #60A5FA;
    --accent-orange: #F59E0B;

    /* 背景色 */
    --light-bg: #FFFFFF;
    --light-surface: #F8FAFC;
    --dark-blue-bg: #0F172A;
    --gradient-bg: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 50%, #BFDBFE 100%);

    /* 文字色 */
    --text-dark: #0F172A;
    --text-body: #334155;
    --text-gray: #64748B;
    --text-light: #94A3B8;

    /* 边框 */
    --border-light: #E2E8F0;
    --border-medium: #CBD5E1;

    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 40px rgba(30, 64, 175, 0.15);
    --shadow-xl: 0 20px 60px rgba(30, 64, 175, 0.2);

    /* 间距 */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 80px;
    --spacing-2xl: 120px;

    /* 字体 */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

body {
    font-family: var(--font-sans);
    background-color: var(--light-bg);
    color: var(--text-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    text-decoration: none;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    color: var(--text-body);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-blue);
    border-radius: 2px;
}

/* ===== 按钮 ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: #FFFFFF;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(30, 64, 175, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(30, 64, 175, 0.35);
}

.btn-secondary {
    display: inline-block;
    padding: 12px 28px;
    background-color: #FFFFFF;
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    border-radius: 8px;
    border: 2px solid var(--primary-blue);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: var(--primary-blue);
    color: #FFFFFF;
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 40px;
    font-size: 16px;
}

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

/* ===== Hero首屏 ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    padding-bottom: 60px;
    position: relative;
    overflow: hidden;
    background: var(--gradient-bg);
}

.hero-gradient-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(30, 64, 175, 0.08), transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(59, 130, 246, 0.08), transparent 50%);
    z-index: 0;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInUp 0.8s ease;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(30, 64, 175, 0.1);
    color: var(--primary-blue);
    font-size: 14px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

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

.hero-subtitle {
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.hero-stat-item {
    text-align: left;
}

.hero-stat-value {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-blue);
    line-height: 1;
    margin-bottom: 8px;
}

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

.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image-placeholder {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-card {
    position: absolute;
    background: #FFFFFF;
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    border: 2px solid var(--border-light);
}

.card-1 {
    top: 20%;
    left: 0;
    animation: float 3s ease-in-out infinite;
}

.card-2 {
    top: 50%;
    right: 0;
    animation: float 4s ease-in-out infinite 1s;
}

.card-3 {
    bottom: 20%;
    left: 10%;
    animation: float 3.5s ease-in-out infinite 0.5s;
}

.card-icon {
    font-size: 32px;
}

.card-text {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    white-space: nowrap;
}

.visual-circle {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15), transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse-blue 4s ease-in-out infinite;
    filter: blur(60px);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse-blue {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.7;
    }
}

/* ===== 信任带 ===== */
.trust-banner {
    padding: 32px 0;
    background: #FFFFFF;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.trust-text {
    text-align: center;
    color: var(--text-gray);
    font-size: 14px;
    margin-bottom: 20px;
}

.partner-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
}

.partner-logo {
    color: var(--text-light);
    font-size: 16px;
    font-weight: 600;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.partner-logo:hover {
    opacity: 1;
}

/* ===== 区块标题 ===== */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(30, 64, 175, 0.1);
    color: var(--primary-blue);
    font-size: 14px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===== 核心优势 ===== */
.advantages {
    padding: var(--spacing-2xl) 0;
    background-color: #FFFFFF;
}

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

.advantage-card {
    background: #FFFFFF;
    padding: 36px 28px;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid var(--border-light);
}

.advantage-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
}

.icon-wrapper {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
}

.icon {
    width: 36px;
    height: 36px;
    stroke: #FFFFFF;
    stroke-width: 2;
}

.advantage-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

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

/* ===== 产品服务 ===== */
.services {
    padding: var(--spacing-2xl) 0;
    background: var(--light-surface);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    background: #FFFFFF;
    padding: 36px 28px;
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 2px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--light-blue));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.service-card.featured {
    border-color: var(--primary-blue);
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.02), rgba(59, 130, 246, 0.02));
}

.service-card.featured::before {
    opacity: 1;
}

.service-card.highlight {
    border-color: var(--accent-orange);
}

.service-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    background: linear-gradient(135deg, #EF4444, #DC2626);
    color: #FFFFFF;
    font-size: 12px;
    font-weight: 600;
    border-radius: 12px;
}

.service-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 15px;
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    margin-bottom: 20px;
    padding: 16px 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.service-features li {
    font-size: 14px;
    color: var(--text-body);
    padding: 6px 0;
}

.service-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.service-link:hover {
    gap: 10px;
}

/* ===== 流程图 ===== */
.solution-flow {
    padding: var(--spacing-2xl) 0;
    background: #FFFFFF;
}

.flow-chart {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 48px;
    flex-wrap: wrap;
}

.flow-item {
    flex: 0 0 auto;
    width: 180px;
    background: var(--light-surface);
    padding: 40px 20px 28px;
    border-radius: 16px;
    text-align: center;
    position: relative;
    border: 2px solid var(--border-light);
    transition: all 0.3s ease;
}

.flow-item:hover {
    background: #FFFFFF;
    border-color: var(--primary-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.flow-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: #FFFFFF;
    border: 4px solid #FFFFFF;
    box-shadow: var(--shadow-md);
}

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

.flow-item h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.flow-item p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.5;
}

.flow-arrow {
    font-size: 28px;
    color: var(--primary-blue);
    font-weight: 700;
    margin: 0 -8px;
}

/* ===== 客户案例 ===== */
.cases {
    padding: var(--spacing-2xl) 0;
    background: var(--light-surface);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.case-card {
    background: #FFFFFF;
    padding: 32px;
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 2px solid var(--border-light);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.case-tag {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: #FFFFFF;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
}

.case-industry {
    font-size: 13px;
    color: var(--text-gray);
}

.case-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.case-challenge {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 16px;
    line-height: 1.6;
}

.case-solution {
    font-size: 14px;
    color: var(--text-body);
    margin-bottom: 20px;
    padding: 16px;
    background: var(--light-surface);
    border-radius: 8px;
    border-left: 3px solid var(--primary-blue);
}

.case-solution strong {
    color: var(--primary-blue);
}

.case-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding-top: 20px;
    border-top: 2px solid var(--border-light);
}

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

.result-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 4px;
    line-height: 1;
}

.result-label {
    font-size: 12px;
    color: var(--text-gray);
    line-height: 1.4;
}

.section-cta {
    text-align: center;
    margin-top: 48px;
}

/* ===== CTA转化区 ===== */
.cta-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        repeating-linear-gradient(45deg, transparent, transparent 50px, rgba(255,255,255,0.03) 50px, rgba(255,255,255,0.03) 100px);
}

.cta-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.cta-left {
    color: #FFFFFF;
}

.cta-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
}

.cta-subtitle {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.95;
}

.cta-benefits {
    list-style: none;
}

.cta-benefits li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    margin-bottom: 16px;
}

.cta-benefits svg {
    flex-shrink: 0;
}

.cta-right {
    background: #FFFFFF;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--light-surface);
    border: 2px solid var(--border-light);
    border-radius: 8px;
    color: var(--text-dark);
    font-size: 15px;
    font-family: var(--font-sans);
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: #FFFFFF;
}

.contact-form textarea {
    resize: vertical;
}

.form-notice {
    font-size: 13px;
    color: var(--text-gray);
    text-align: center;
    margin-top: 8px;
}

/* ===== 页脚 ===== */
.footer {
    background: var(--dark-blue-bg);
    padding: 80px 0 32px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 20px;
}

.footer-desc {
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 24px;
    opacity: 0.8;
}

.footer-address,
.footer-contact {
    font-size: 14px;
    margin-bottom: 8px;
    opacity: 0.7;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: var(--light-blue);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 32px;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: rgba(255, 255, 255, 0.9);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 14px;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    .hero-container,
    .cta-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .section-grid-4,
    .services-grid,
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .flow-chart {
        flex-direction: column;
        gap: 32px;
    }

    .flow-arrow {
        transform: rotate(90deg);
    }

    .footer-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }

    .section-title {
        font-size: 32px;
    }

    .section-grid-4,
    .services-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-container {
        grid-template-columns: 1fr;
    }

    .footer-bottom-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .nav-menu {
        display: none;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

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

    .detail-grid,
    .detail-grid.reverse {
        grid-template-columns: 1fr;
    }

    .contact-layout,
    .intro-layout {
        grid-template-columns: 1fr;
    }
}

/* ===== 内页通用样式 ===== */
.page-hero {
    padding: 140px 0 80px;
    background: var(--gradient-bg);
    text-align: center;
}

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

.page-title {
    font-size: 48px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

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

/* ===== 服务项目页样式 ===== */
.services-overview {
    padding: 60px 0;
    background: #FFFFFF;
}

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

.overview-card {
    padding: 32px 24px;
    background: var(--light-surface);
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.overview-card:hover {
    background: #FFFFFF;
    border-color: var(--primary-blue);
    transform: translateY(-4px);
}

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

.overview-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.overview-card p {
    font-size: 14px;
    color: var(--text-gray);
}

.service-detail {
    padding: 80px 0;
    background: #FFFFFF;
}

.service-detail.alternate {
    background: var(--light-surface);
}

.detail-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: start;
}

.detail-grid.reverse {
    grid-template-columns: 1fr 1.5fr;
}

.detail-content h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.detail-intro {
    font-size: 18px;
    color: var(--text-body);
    line-height: 1.8;
    margin-bottom: 32px;
}

.detail-section {
    margin-bottom: 40px;
}

.detail-section h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-list li {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--light-surface);
    border-radius: 12px;
    border-left: 4px solid var(--primary-blue);
}

.feature-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.feature-text strong {
    font-size: 16px;
    color: var(--text-dark);
    display: block;
    margin-bottom: 6px;
}

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

.scenario-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.scenario-tag {
    padding: 8px 20px;
    background: rgba(30, 64, 175, 0.1);
    color: var(--primary-blue);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.detail-sidebar {
    position: sticky;
    top: 100px;
}

.stats-box,
.process-box,
.language-box,
.highlight-box,
.channel-box,
.tech-box {
    background: var(--light-surface);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 20px;
    border: 2px solid var(--border-light);
}

.stats-box h4,
.process-box h4,
.language-box h4,
.highlight-box h4,
.channel-box h4,
.tech-box h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
}

.stat-row:last-child {
    border-bottom: none;
}

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

.stat-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-blue);
}

.process-steps {
    list-style: none;
    counter-reset: step;
}

.process-steps li {
    padding: 12px 0;
    font-size: 14px;
    color: var(--text-body);
    border-bottom: 1px solid var(--border-light);
}

.process-steps li:last-child {
    border-bottom: none;
}

.language-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.language-grid span {
    padding: 10px;
    background: #FFFFFF;
    border-radius: 8px;
    text-align: center;
    font-size: 14px;
}

.content-types {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.content-type-item {
    padding: 12px 16px;
    background: var(--light-surface);
    border-radius: 8px;
    font-size: 14px;
}

.highlight-box ul {
    list-style: none;
}

.highlight-box li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-body);
}

.channel-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.channel-item {
    padding: 10px;
    background: #FFFFFF;
    border-radius: 8px;
    text-align: center;
    font-size: 14px;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tags span {
    padding: 6px 12px;
    background: rgba(30, 64, 175, 0.1);
    color: var(--primary-blue);
    border-radius: 6px;
    font-size: 13px;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.plan-card {
    padding: 20px;
    background: var(--light-surface);
    border-radius: 12px;
    border: 2px solid var(--border-light);
    text-align: center;
    position: relative;
}

.plan-card.featured {
    border-color: var(--primary-blue);
    background: rgba(30, 64, 175, 0.05);
}

.plan-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    padding: 4px 12px;
    background: var(--primary-blue);
    color: #FFFFFF;
    font-size: 12px;
    border-radius: 12px;
}

.plan-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.plan-card p {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 12px;
}

.plan-price {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-blue);
}

/* ===== 解决方案页样式 ===== */
.solutions-intro {
    padding: 80px 0;
    background: #FFFFFF;
}

.intro-content h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 20px;
    text-align: center;
}

.intro-text {
    font-size: 18px;
    color: var(--text-body);
    line-height: 1.8;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 48px;
}

.intro-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.intro-feature {
    text-align: center;
}

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

.intro-feature h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.intro-feature p {
    font-size: 14px;
    color: var(--text-gray);
}

.solution-scenario {
    padding: 80px 0;
    background: #FFFFFF;
}

.solution-scenario.alternate {
    background: var(--light-surface);
}

.scenario-header {
    display: flex;
    gap: 32px;
    align-items: start;
    margin-bottom: 48px;
}

.scenario-number {
    font-size: 80px;
    font-weight: 800;
    color: rgba(30, 64, 175, 0.1);
    line-height: 1;
}

.scenario-title-group h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.scenario-title-group p {
    font-size: 18px;
    color: var(--text-gray);
}

.scenario-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.scenario-block h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.pain-points {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pain-item {
    display: flex;
    gap: 16px;
    align-items: start;
    padding: 16px;
    background: #FFFFFF;
    border-radius: 8px;
}

.solution-scenario.alternate .pain-item {
    background: var(--light-surface);
}

.pain-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.pain-item p {
    font-size: 16px;
    color: var(--text-body);
}

.solution-steps-horizontal {
    display: flex;
    align-items: center;
    gap: 16px;
}

.step-card {
    flex: 1;
    padding: 24px;
    background: var(--light-surface);
    border-radius: 12px;
    border: 2px solid var(--border-light);
}

.solution-scenario.alternate .step-card {
    background: #FFFFFF;
}

.step-num {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
}

.step-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

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

.step-arrow {
    font-size: 28px;
    color: var(--primary-blue);
    font-weight: 700;
}

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

.outcome-card {
    padding: 28px;
    background: var(--light-surface);
    border-radius: 12px;
    text-align: center;
    border: 2px solid var(--border-light);
}

.solution-scenario.alternate .outcome-card {
    background: #FFFFFF;
}

.outcome-value {
    font-size: 40px;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 8px;
    line-height: 1;
}

.outcome-card p {
    font-size: 14px;
    color: var(--text-gray);
}

.service-guarantee {
    padding: 80px 0;
    background: var(--light-surface);
}

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

.guarantee-card {
    padding: 32px 24px;
    background: #FFFFFF;
    border-radius: 12px;
    text-align: center;
    border: 2px solid var(--border-light);
}

.guarantee-icon {
    font-size: 56px;
    margin-bottom: 16px;
}

.guarantee-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

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

.cta-simple {
    text-align: center;
    padding: 60px 0;
}

.cta-simple h2 {
    font-size: 42px;
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 16px;
}

.cta-simple p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

/* ===== 关于我们页样式 ===== */
.company-intro-section {
    padding: 80px 0;
    background: #FFFFFF;
}

.intro-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
}

.intro-text h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.highlight-text {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 24px;
}

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

.intro-stats-large {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card-big {
    padding: 32px;
    background: var(--light-surface);
    border-radius: 16px;
    text-align: center;
    border: 2px solid var(--border-light);
    transition: all 0.3s ease;
}

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

.stat-num {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 8px;
    line-height: 1;
}

.stat-desc {
    font-size: 16px;
    color: var(--text-gray);
}

.philosophy-section {
    padding: 80px 0;
    background: var(--light-surface);
}

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

.philosophy-card-large {
    padding: 48px 32px;
    background: #FFFFFF;
    border-radius: 16px;
    text-align: center;
    border: 2px solid var(--border-light);
    transition: all 0.3s ease;
}

.philosophy-card-large:hover {
    border-color: var(--primary-blue);
    transform: translateY(-8px);
}

.philosophy-icon-large {
    font-size: 72px;
    margin-bottom: 24px;
}

.philosophy-card-large h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.philosophy-card-large p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.7;
}

.core-strengths {
    padding: 80px 0;
    background: #FFFFFF;
}

.strengths-list {
    max-width: 900px;
    margin: 0 auto;
}

.strength-item {
    display: flex;
    gap: 32px;
    padding: 32px;
    background: var(--light-surface);
    border-radius: 16px;
    margin-bottom: 20px;
    border: 2px solid var(--border-light);
    transition: all 0.3s ease;
}

.strength-item:hover {
    border-color: var(--primary-blue);
    transform: translateX(8px);
}

.strength-num {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-blue);
    flex-shrink: 0;
    width: 80px;
}

.strength-content h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.strength-content p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.7;
}

.tech-capability {
    padding: 80px 0;
    background: var(--light-surface);
}

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

.tech-category {
    padding: 36px 28px;
    background: #FFFFFF;
    border-radius: 16px;
    border: 2px solid var(--border-light);
}

.tech-icon-big {
    font-size: 64px;
    margin-bottom: 20px;
}

.tech-category h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.tech-items {
    list-style: none;
}

.tech-items li {
    padding: 10px 0;
    font-size: 15px;
    color: var(--text-body);
    border-bottom: 1px solid var(--border-light);
}

.tech-items li:last-child {
    border-bottom: none;
}

.team-section {
    padding: 80px 0;
    background: #FFFFFF;
}

.team-intro-text {
    max-width: 800px;
    margin: 0 auto 48px;
    text-align: center;
}

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

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

.team-highlight-card {
    padding: 36px 28px;
    background: var(--light-surface);
    border-radius: 16px;
    text-align: center;
    border: 2px solid var(--border-light);
}

.team-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.team-highlight-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

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

.timeline-section {
    padding: 80px 0;
    background: var(--light-surface);
}

.timeline-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.timeline-item-large {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
    position: relative;
}

.timeline-item-large::before {
    content: '';
    position: absolute;
    left: 70px;
    top: 80px;
    bottom: -40px;
    width: 2px;
    background: var(--border-medium);
}

.timeline-item-large:last-child::before {
    display: none;
}

.timeline-year {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-blue);
    width: 140px;
    flex-shrink: 0;
    position: relative;
}

.timeline-year::after {
    content: '';
    position: absolute;
    right: -20px;
    top: 20px;
    width: 16px;
    height: 16px;
    background: var(--primary-blue);
    border-radius: 50%;
    border: 4px solid #FFFFFF;
    box-shadow: 0 0 0 2px var(--primary-blue);
}

.timeline-content-box {
    flex: 1;
    padding: 28px;
    background: #FFFFFF;
    border-radius: 12px;
    border: 2px solid var(--border-light);
}

.timeline-content-box h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

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

.partners-section {
    padding: 80px 0;
    background: #FFFFFF;
}

.partners-content {
    text-align: center;
}

.partners-intro {
    font-size: 16px;
    color: var(--text-body);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.partner-logo-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
}

.partner-logo-big {
    padding: 24px;
    background: var(--light-surface);
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-body);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border-light);
    transition: all 0.3s ease;
}

.partner-logo-big:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

/* ===== 联系我们页样式 ===== */
.contact-main-section {
    padding: 80px 0;
    background: var(--light-surface);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info-side h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 12px;
}

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

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.contact-method-card {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: #FFFFFF;
    border-radius: 12px;
    border: 2px solid var(--border-light);
}

.method-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.method-content h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.method-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 4px;
}

.method-note {
    font-size: 13px;
    color: var(--text-gray);
}

.working-hours-box {
    padding: 24px;
    background: #FFFFFF;
    border-radius: 12px;
    border: 2px solid var(--border-light);
}

.working-hours-box h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.hours-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hour-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
}

.hour-row:last-child {
    border-bottom: none;
}

.day-label {
    font-size: 15px;
    color: var(--text-body);
}

.time-label {
    font-size: 15px;
    font-weight: 600;
    color: var(--primary-blue);
}

.contact-form-side {
    position: sticky;
    top: 100px;
}

.form-card {
    padding: 40px;
    background: #FFFFFF;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.form-card h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 12px;
}

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

.contact-form-main {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-body);
    margin-bottom: 8px;
}

.required {
    color: #EF4444;
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.privacy-text {
    font-size: 13px;
    color: var(--text-gray);
    text-align: center;
    margin-top: 16px;
}

.map-section {
    padding: 80px 0;
    background: #FFFFFF;
}

.map-placeholder-box {
    padding: 80px 40px;
    background: var(--light-surface);
    border-radius: 16px;
    border: 2px dashed var(--border-medium);
}

.map-content-center {
    text-align: center;
}

.map-icon-large {
    font-size: 80px;
    margin-bottom: 24px;
}

.map-content-center h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.map-content-center p {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 32px;
}

.map-nav-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.map-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: #FFFFFF;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.map-nav-btn:hover {
    background: var(--primary-blue);
    color: #FFFFFF;
}

.faq-section {
    padding: 80px 0;
    background: var(--light-surface);
}

.faq-grid-layout {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.faq-card {
    padding: 32px;
    background: #FFFFFF;
    border-radius: 16px;
    border: 2px solid var(--border-light);
    transition: all 0.3s ease;
}

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

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

.faq-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

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

.why-choose-us {
    padding: 80px 0;
    background: #FFFFFF;
}

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

.reason-card {
    padding: 32px 24px;
    background: var(--light-surface);
    border-radius: 12px;
    text-align: center;
    border: 2px solid var(--border-light);
}

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

.reason-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

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

@media (max-width: 1024px) {
    .overview-grid,
    .intro-features,
    .tech-grid-section,
    .team-highlights,
    .partner-logo-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .faq-grid-layout {
        grid-template-columns: 1fr;
    }

    .solution-steps-horizontal {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .outcome-grid,
    .plans-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .overview-grid,
    .intro-features,
    .philosophy-grid,
    .guarantee-grid,
    .tech-grid-section,
    .team-highlights,
    .reasons-grid,
    .partner-logo-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== 客户案例页样式 ===== */
.cases-stats-section {
    padding: 60px 0;
    background: #FFFFFF;
}

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

.stat-overview-card {
    padding: 32px 24px;
    background: var(--light-surface);
    border-radius: 12px;
    text-align: center;
    border: 2px solid var(--border-light);
    transition: all 0.3s ease;
}

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

.stat-overview-num {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-blue);
    line-height: 1;
    margin-bottom: 12px;
}

.stat-overview-label {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

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

.cases-filter-section {
    padding: 32px 0;
    background: var(--light-surface);
    border-bottom: 2px solid var(--border-light);
}

.filter-tabs {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 12px 28px;
    background: #FFFFFF;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-body);
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-tab:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.filter-tab.active {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    color: #FFFFFF;
}

.cases-list-section {
    padding: 80px 0;
    background: var(--light-surface);
}

.cases-grid-full {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.case-card-full {
    background: #FFFFFF;
    padding: 48px;
    border-radius: 20px;
    border: 2px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.case-card-full:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.case-full-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-light);
}

.case-meta {
    display: flex;
    gap: 12px;
    align-items: center;
}

.case-tag-blue {
    padding: 6px 16px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: #FFFFFF;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
}

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

.case-date {
    font-size: 14px;
    color: var(--text-light);
}

.case-card-full h3 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.case-brief {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 32px;
}

.case-details-section {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-bottom: 32px;
}

.case-detail-block h4 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--primary-blue);
}

.challenge-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.challenge-list li {
    padding: 16px 20px;
    background: var(--light-surface);
    border-radius: 8px;
    border-left: 4px solid #EF4444;
    font-size: 15px;
    color: var(--text-body);
    line-height: 1.6;
}

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

.solution-step-item {
    padding: 20px;
    background: var(--light-surface);
    border-radius: 12px;
    border: 2px solid var(--border-light);
}

.solution-step-item strong {
    display: block;
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.solution-step-item p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
}

.results-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.result-box {
    padding: 24px;
    background: var(--light-surface);
    border-radius: 12px;
    border: 2px solid var(--border-light);
    text-align: center;
    transition: all 0.3s ease;
}

.result-box:hover {
    border-color: var(--primary-blue);
    transform: translateY(-4px);
}

.result-label {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 12px;
}

.result-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 12px;
}

.before {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-light);
    text-decoration: line-through;
}

.arrow {
    font-size: 20px;
    color: var(--primary-blue);
}

.after {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-blue);
}

.result-growth {
    font-size: 13px;
    font-weight: 600;
    color: #10B981;
    padding: 4px 12px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 12px;
    display: inline-block;
}

.case-testimonial {
    padding: 32px;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.05), rgba(59, 130, 246, 0.05));
    border-radius: 16px;
    border-left: 4px solid var(--primary-blue);
    position: relative;
}

.testimonial-icon {
    font-size: 48px;
    position: absolute;
    top: 32px;
    right: 32px;
    opacity: 0.3;
}

.case-testimonial p {
    font-size: 16px;
    color: var(--text-body);
    line-height: 1.8;
    font-style: italic;
    margin-bottom: 16px;
}

.testimonial-author {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-blue);
    text-align: right;
}

@media (max-width: 1024px) {
    .stats-overview-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .solution-items,
    .results-showcase {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .stats-overview-grid {
        grid-template-columns: 1fr;
    }

    .case-card-full {
        padding: 24px;
    }

    .case-full-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .filter-tabs {
        flex-direction: column;
    }

    .filter-tab {
        width: 100%;
    }
}