/* ============================================
   趣前程官网设计系统 (QQC Website Design System)
   版本：2.0.0
   主题色：活力蓝 #2563EB + 青色 #06B6D4 + 紫色 #7C3AED
   最后更新：2026-04-21
   ============================================ */

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

:root {
    /* 年轻科技风色彩系统 v2 */
    --brand-primary: #2563EB;           /* 活力蓝 */
    --brand-primary-dark: #1D4ED8;      /* 深蓝，hover/强调用 */
    --brand-primary-light: #DBEAFE;     /* 浅蓝背景色 */
    --brand-cyan: #06B6D4;              /* 青色，科技感辅助色 */
    --brand-violet: #7C3AED;            /* 紫色，创新感辅助色 */
    --brand-gradient: linear-gradient(135deg, #2563EB, #06B6D4);
    --brand-success: #10B981;           /* 成功色 (绿) */
    --brand-warning: #F59E0B;           /* 警告色 (橙) */

    /* 背景色阶 - 明亮通透 */
    --bg-primary: #FFFFFF;              /* 纯白 */
    --bg-secondary: #F8FAFC;            /* 极浅蓝灰，section交替背景 */
    --bg-tertiary: #F1F5F9;             /* 浅灰，备用 */
    --bg-accent: #EEF2FF;               /* 淡靛蓝，重点区域背景 */
    --bg-glass: rgba(255,255,255,0.8);  /* 玻璃拟态背景 */

    /* 文本色阶 - 深色增强可读性 */
    --text-primary: #1E293B;            /* 深蓝黑，主文字 */
    --text-secondary: #64748B;          /* 中灰，副文字 */
    --text-tertiary: #94A3B8;           /* 浅灰，辅助信息 */

    /* 边框与阴影 - 轻柔现代 */
    --border-primary: #E2E8F0;          /* 浅灰边框 */
    --border-accent: #BFDBFE;           /* 浅蓝边框 */
    --border-glow: rgba(37,99,235,0.1); /* 发光边框 */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(37,99,235,0.08);
    --shadow-lg: 0 12px 40px rgba(37,99,235,0.12);
    --shadow-glass: 0 8px 32px rgba(37,99,235,0.08);

    /* 字体 */
    --font-family-zh: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-family-en: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-family-mono: "JetBrains Mono", "Fira Code", monospace;

    /* 间距系统（4px基准） */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */

    /* 圆角 */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* 过渡 */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;

    /* 层级 */
    --z-header: 100;
    --z-overlay: 200;
    --z-modal: 300;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family-zh);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    padding: 0;
    margin: 0;
    overflow-x: hidden;
}

/* 全局背景氛围 - 浅色科技风渐变 */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 10% 10%, rgba(37,99,235,0.03) 0%, transparent 50%),
        radial-gradient(ellipse 60% 50% at 90% 80%, rgba(6,182,212,0.02) 0%, transparent 50%),
        radial-gradient(ellipse 40% 30% at 50% 50%, rgba(124,58,237,0.02) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

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

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

ul, ol { list-style: none;}

/* ===== 容器 ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    position: relative;
    z-index: 1;
}

.container--narrow { max-width: 900px;}

/* ===== 顶部导航 ===== */
.header {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-primary);
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    padding: var(--space-4) 0;
    transition: all var(--transition-normal);
}

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

.header__logo { height: 40px; display: flex; align-items: center; flex-shrink: 0;}

.header__logo img { height: 100%; width: auto;}

/* 桌面导航 */
.header__nav { display: flex; gap: var(--space-8);}

.header__nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--space-2) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.header__nav-link:hover { color: var(--text-primary);}

.header__nav-link.active { color: var(--brand-primary);}

.header__nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-cyan));
    border-radius: 1px;
}

/* 语言切换 */
.header__lang {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.875rem;
    flex-shrink: 0;
}

.header__lang-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    font-family: inherit;
    font-size: 0.875rem;
}

.header__lang-btn:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.05);
}

.header__lang-btn.active {
    color: var(--brand-primary);
    font-weight: 600;
}

.header__lang-divider { color: var(--text-tertiary);}

/* 汉堡菜单按钮（移动端） */
.header__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.header__hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: all var(--transition-fast);
}

.header__hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.header__hamburger.open span:nth-child(2) {
    opacity: 0;
}

.header__hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero区域 ===== */
.hero {
    padding: var(--space-16) 0 var(--space-12);
    position: relative;
    overflow: hidden;
}

.hero__bg-glow {
    position: absolute;
    top: -30%;
    right: -20%;
    width: 70%;
    height: 70%;
    background: radial-gradient(circle, var(--border-glow) 0%, transparent 70%);
    opacity: 0.4;
    pointer-events: none;
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 100%;
}

.hero__title {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: var(--space-6);
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.hero__title-accent {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    max-width: 100%;
    line-height: 1.8;
}

/* 英文版特殊排版 */
[lang="en"] .hero__title {
    font-family: var(--font-family-en);
    font-size: 2.8rem;
    letter-spacing: -0.03em;
}

[lang="en"] .hero__subtitle {
    font-family: var(--font-family-en);
    font-size: 1.15rem;
}

/* ===== 行业标签 ===== */
.industry-tags {
    display: flex;
    flex-wrap: wrap;
    padding: 12px 0px;
    gap: var(--space-2);
    margin-bottom: var(--space-8);
}

.industry-tag {
    background: var(--brand-primary-bg);
    color: var(--brand-primary);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    border: 1px solid var(--border-accent);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.industry-tag:hover {
    background: rgba(22,119,255,0.2);
    transform: translateY(-1px);
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-8);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    gap: var(--space-2);
}

.btn--primary {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
    color: white;
    box-shadow: 0 4px 16px rgba(22,119,255,0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(22,119,255,0.4);
}

.btn--secondary {
    background: transparent;
    color: var(--brand-primary);
    border: 1px solid var(--border-accent);
}

.btn--secondary:hover {
    background: var(--brand-primary-bg);
    transform: translateY(-2px);
}

.btn-group {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* ===== 区块标题 ===== */
.section { padding: var(--space-12) 0;}

.section__header { text-align: center; margin-bottom: var(--space-12);}

.section__title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.section__title-accent {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section__subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto;
}

/* 英文版标题 */
[lang="en"] .section__title { font-family: var(--font-family-en);}

/* ===== QQC 服务标准 Banner ===== */
.qqc-banner {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: linear-gradient(135deg, rgba(37,99,235,0.12), rgba(6,182,212,0.08));
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-accent);
    margin-top: var(--space-12);
    box-shadow: var(--shadow-glass);
}

.qqc-banner__item {
    background: var(--bg-primary);
    padding: var(--space-6)  var(--space-4);
    text-align: center;
    transition: background var(--transition-fast);
}

.qqc-banner__item:hover { background: var(--bg-accent);}

.qqc-banner__letter {
    font-size: 3.5rem;
    font-weight: 900;
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-2);
    font-family: var(--font-family-en);
}

.qqc-banner__en {
    font-size: 0.85rem;
    color: var(--brand-primary);
    letter-spacing: 2px;
    margin-bottom: var(--space-4);
    font-weight: 600;
    font-family: var(--font-family-en);
}

.qqc-banner__list {
    list-style: none;
    text-align: left;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 2;
}

.qqc-banner__list li::before {
    content: '—';
    margin-right: 6px;
    color: var(--brand-primary-light);
}

/* ===== 科技地球 + 服务节点 ===== */
.globe-services {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    align-items: center;
    min-height: 500px;
}

/* 地球容器 */
.globe-services__earth {
    position: relative;
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    aspect-ratio: 1 / 1;
}

.globe-svg {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
}

/* 服务节点容器 */
.globe-services__nodes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    position: relative;
    z-index: 2;
}

/* 单个服务节点 - 升级版 */
.globe-node {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-6);
    background: linear-gradient(145deg, rgba(255,255,255,0.85), rgba(255,255,255,0.95));
    border: 1px solid transparent;
    border-radius: var(--radius-xl);
    backdrop-filter: blur(12px);
    transition: all var(--transition-normal);
    box-shadow: 0 8px 32px rgba(22, 119, 255, 0.08);
    cursor: default;
    position: relative;
    overflow: hidden;
}

.globe-node::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(37,99,235,0.1) 0%, rgba(6,182,212,0.05) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.globe-node:hover {
    transform: translateY(-6px);
    border-color: var(--brand-primary);
    box-shadow: 0 20px 60px rgba(22,119,255,0.18);
}

.globe-node:hover::before { opacity: 1;}

/* 节点入场动画延迟 */
.globe-node--tl { transition-delay: 0.1s; }
.globe-node--tr { transition-delay: 0.2s; }
.globe-node--bl { transition-delay: 0.3s; }
.globe-node--br { transition-delay: 0.4s; }

/* 节点图标 - 升级版 */
.globe-node__icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-cyan));
    border: none;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 12px rgba(22,119,255,0.25);
    position: relative;
    z-index: 1;
}

.globe-node:hover .globe-node__icon {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(22,119,255,0.4);
}

/* 节点文字 - 升级版 */
.globe-node__text {
    position: relative;
    z-index: 1;
    flex-grow: 1;
}

.globe-node__title {
    font-size: 1.15rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-2);
    line-height: 1.3;
}

.globe-node__desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

[lang="en"] .globe-node__title,
[lang="en"] .globe-node__desc {
    font-family: var(--font-family-en);
}

/* ===== 服务卡片网格（备用） ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.service-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-xl);
    padding: 0;
    backdrop-filter: blur(8px);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-glass);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--brand-primary);
    box-shadow: 0 20px 60px rgba(22,119,255,0.18);
}

.service-card__visual {
    position: relative;
    overflow: hidden;
    width: 100%;
    aspect-ratio: 16 / 9;
    flex-shrink: 0;
}

.service-card__visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.08) 100%);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.service-card:hover .service-card__visual::after { opacity: 1;}

.service-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-normal);
}

.service-card:hover .service-card__image { transform: scale(1.08);}

.service-card__content {
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    flex-grow: 1;
}

.service-card__title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0;
    position: relative;
    z-index: 1;
    background: linear-gradient(135deg, var(--text-primary), var(--brand-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.3;
}

[lang="en"] .service-card__title { font-family: var(--font-family-en);}

.service-card__title::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-cyan));
    border-radius: 2px;
    margin-top: var(--space-3);
}

.service-card__desc {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.75;
    position: relative;
    z-index: 1;
    flex-grow: 1;
}

[lang="en"] .service-card__desc { font-family: var(--font-family-en);}

/* ===== 核心团队卡片 ===== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
}

.team-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-md);
    padding: var(--space-2);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-glass);
    display: flex;
    flex-direction: row;
    align-items: stretch;
    text-align: left;
    gap: var(--space-3);
}

.team-card:hover {
    transform: translateY(-4px);
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-lg);
}

.team-card__image-wrapper {
    width: 120px;
    flex-shrink: 0;
    aspect-ratio: 3/4;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0;
    position: relative;
    align-self: flex-start;
}

.team-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.team-card:hover .team-card__image { transform: scale(1.05);}

.team-card__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
    min-width: 0;
}

.team-card__left {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-2);
}

.team-card__right {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-width: 0;
    padding: 8px 0;
    gap: var(--space-2);
}

.team-card__divider {
    height: 1px;
    background-color:  rgba(120, 190, 255, 0.4);
    width: 100%;
    margin-bottom: 4px;
}

.team-card__slogan {
    font-size: 1rem;
    font-weight: 600;
    color: var(--brand-primary);
    line-height: 1.4;
    margin-bottom: 4px;
}

.team-card__name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.team-card__title {
    font-size: 0.85rem;
    color: var(--brand-primary);
    font-weight: 500;
    margin-bottom: var(--space-1);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.team-card__desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 0;
    line-height: 1.5;
    text-align: left;
}

/* 响应式 */
@media (max-width: 1024px) {
    .team-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
}

@media (max-width: 768px) {
    
    .team-card { padding: var(--space-3); gap: var(--space-3); }
    
    .team-card__image-wrapper { width: 80px; }
    
    .team-card__name { font-size: 1rem; }
    
    .team-card__desc { font-size: 0.8rem; }
}

@media (max-width: 480px) {

    .team-grid { grid-template-columns: 1fr; gap: var(--space-3); }
    .team-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .team-card__image-wrapper {
        width: 120px;
        margin-bottom: var(--space-3);
        align-self: center;
    }

    /* 新增：调整左右列 */
    .team-card__left {
        width: 100%;
        align-items: center;
        gap: var(--space-2);
        margin-bottom: var(--space-3);
    }

    .team-card__right {
        width: 100%;
        text-align: center;
        align-items: center;
    }

    .team-card__slogan {
        font-size: 0.85rem;
    }
}

/* ===== 企业文化轮播 ===== */
.culture-carousel {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    background: var(--bg-primary);
    border: 1px solid var(--border-accent);
    box-shadow: var(--shadow-glass);
}

.culture-carousel__track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
}

.culture-slide {
    min-width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

/* 左侧视觉区 */
.culture-slide__visual {
    position: relative;
    overflow: hidden;
    min-height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-accent), var(--bg-secondary));
}

.culture-slide__image-wrap {
    position: relative;
    width: 85%;
    max-width: 440px;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(37, 99, 235, 0.18), 0 8px 24px rgba(0, 0, 0, 0.08);
    transform: rotate(-2deg);
    transition: transform 0.5s ease;
}

.culture-slide__image-wrap:hover {
    transform: rotate(0deg) scale(1.02);
}

.culture-slide__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.culture-slide__image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.05) 0%, rgba(37, 99, 235, 0.15) 100%);
    pointer-events: none;
}

.culture-slide__badge {
    position: absolute;
    bottom: 32px;
    right: 32px;
    font-size: 72px;
    font-weight: 900;
    color: rgba(37, 99, 235, 0.08);
    line-height: 1;
    font-family: var(--font-family-en);
    pointer-events: none;
    user-select: none;
}

/* 右侧文案区 */
.culture-slide__content {
    padding: 0px 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--bg-primary);
}

.culture-slide__title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.culture-slide__lead {
    font-size: 1.15rem;
    color: var(--brand-primary);
    font-weight: 500;
    margin-bottom: var(--space-8);
    line-height: 1.6;
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--border-light);
}

.culture-slide__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.culture-slide__list li {
    position: relative;
    padding-left: 28px;
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.culture-slide__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--brand-gradient);
}

.culture-slide__list li strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* 左右翻页箭头 */
.culture-carousel__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 1px solid var(--border-accent);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all var(--transition-fast);
}

.culture-carousel__arrow svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-primary);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.culture-carousel__arrow:hover {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
}

.culture-carousel__arrow:hover svg { stroke: white;}

.culture-carousel__arrow--prev { left: 20px;}

.culture-carousel__arrow--next { right: 20px;}

.culture-carousel__arrow:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

/* 分页指示器 */
.culture-carousel__dots {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.culture-carousel__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: none;
    background: var(--border-accent);
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 0;
}

.culture-carousel__dot.active {
    background: var(--brand-primary);
    transform: scale(1.2);
}

.culture-carousel__dot:hover:not(.active) {
    background: var(--brand-primary-light);
}

/* ===== 品牌故事 ===== */
.brand-story__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

.brand-story__text p {
    margin-bottom: var(--space-4);
    line-height: 1.75;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.brand-story__text strong {
    color: var(--brand-primary);
    font-weight: 600;
}

.brand-story__image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-glass);
    width: 100%;
    object-fit: cover;
}

.brand-story__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-12);
}

.brand-stat {
    text-align: center;
    padding: 20px 12px;
    background: rgba(37, 99, 235, 0.03);
    border: 1px solid var(--border-accent);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.brand-stat:hover {
    border-color: var(--brand-primary);
    background: rgba(37, 99, 235, 0.06);
    transform: translateY(-2px);
}

.brand-stat__number {
    font-size: 32px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 6px;
}

.brand-stat__number span {
    font-size: 16px;
    font-weight: 600;
    color: var(--brand-primary);
    -webkit-text-fill-color: var(--brand-primary);
    margin-left: 2px;
}

.brand-stat__label {
    font-size: 12px;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

[lang="en"] .brand-stat__label {
    font-family: var(--font-family-en);
    text-transform: none;
    letter-spacing: 0;
}

/* ===== 发展史时间轴 ===== */
.timeline {
    position: relative;
    padding: 0;
    max-width: 1200px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    transform: translateX(-50%);
    background: linear-gradient(180deg,
        transparent 0%,
        var(--brand-primary-dark) 8%,
        var(--brand-primary) 50%,
        var(--brand-primary-dark) 92%,
        transparent 100%
    );
}

.timeline__item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 48px;
    position: relative;
}

.timeline__item:nth-child(odd) { flex-direction: row;}

.timeline__item:nth-child(even) { flex-direction: row-reverse;}

.timeline__year-side {
    flex: 0 0 calc(50% - 36px);
    display: flex;
    align-items: flex-start;
}

.timeline__item:nth-child(odd) .timeline__year-side {
    justify-content: flex-end;
    padding-right: 24px;
}

.timeline__item:nth-child(even) .timeline__year-side {
    justify-content: flex-start;
    padding-left: 24px;
}

.timeline__year-badge {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.timeline__year-num {
    font-size: 32px;
    font-weight: 900;
    letter-spacing: 1px;
    line-height: 1;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.timeline__year-bar {
    width: 28px;
    height: 2px;
    background: linear-gradient(90deg, var(--brand-primary), transparent);
    border-radius: 1px;
}

.timeline__item:nth-child(even) .timeline__year-bar {
    background: linear-gradient(90deg, transparent, var(--brand-primary));
}

.timeline__dot-wrap {
    flex: 0 0 72px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 8px;
    position: relative;
    z-index: 1;
}

.timeline__dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 3px solid var(--brand-primary);
    background: #FFFFFF;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15), 0 0 16px rgba(37, 99, 235, 0.25);
    transition: all 0.3s;
}

.timeline__item:hover .timeline__dot {
    background: var(--brand-primary);
    box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.2), 0 0 24px rgba(37, 99, 235, 0.4);
}

.timeline__content-side { flex: 0 0 calc(50% - 36px);}

.timeline__item:nth-child(odd) .timeline__content-side { padding-left: 24px;}

.timeline__item:nth-child(even) .timeline__content-side { padding-right: 24px;}

.timeline__card {
    background: rgba(255,255,255,0.9);
    border: 1px solid var(--border-accent);
    border-radius: 14px;
    padding: 20px 24px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: default;
    box-shadow: var(--shadow-sm);
}

.timeline__card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(37,99,235,0.04) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
}

.timeline__item:hover .timeline__card {
    border-color: var(--brand-primary);
    background: rgba(255,255,255,1);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(37, 99, 235, 0.1);
}

.timeline__item:hover .timeline__card::before { opacity: 1;}

.timeline__tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.tag-start   { background: rgba(30,200,100,0.15); color: #4adfa0; border: 1px solid rgba(74,223,160,0.3); }
.tag-growth  { background: rgba(74,154,255,0.15); color: #7ab8ff; border: 1px solid rgba(74,154,255,0.3); }
.tag-expand  { background: rgba(200,120,30,0.15); color: #f0a050; border: 1px solid rgba(240,160,80,0.3); }
.tag-brand   { background: rgba(160,74,255,0.15); color: #c07aff; border: 1px solid rgba(192,122,255,0.3); }
.tag-upgrade { background: rgba(255,74,110,0.15); color: #ff7aaa; border: 1px solid rgba(255,122,170,0.3); }

.timeline__title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.5;
    margin-bottom: 10px;
}

.timeline__title .highlight {
    color: var(--brand-primary);
}

.timeline__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.timeline__list li {
    font-size: 12.5px;
    color: var(--text-secondary);
    line-height: 1.6;
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

.timeline__list li::before {
    content: '›';
    color: var(--brand-primary);
    font-size: 15px;
    line-height: 1.4;
    flex-shrink: 0;
}

.timeline__list li strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* ===== 数据指标 ===== */
.metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.metric {
    text-align: center;
    padding: 28px 16px;
    background: rgba(37, 99, 235, 0.03);
    border: 1px solid var(--border-accent);
    border-radius: 14px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.metric::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(37,99,235,0.06) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
}

.metric:hover {
    border-color: var(--brand-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(37, 99, 235, 0.1);
}

.metric:hover::before { opacity: 1;}

.metric__value {
    font-size: 2.4rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-3);
    position: relative;
    z-index: 1;
}

.metric__label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    letter-spacing: 0.5px;
    position: relative;
    z-index: 1;
}

[lang="en"] .metric__label {
    font-family: var(--font-family-en);
}

/* ===== 联系方式 ===== */
#contact {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
}

.contact {
    background: var(--bg-glass);
    border-radius: var(--radius-xl);
    padding: var(--space-12) var(--space-8);
    margin-bottom: 0;
    border: 1px solid var(--border-accent);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -20%;
    width: 50%;
    height: 50%;
    background: radial-gradient(circle, rgba(22,119,255,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.contact__methods {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    margin: var(--space-8) 0;
    position: relative;
    z-index: 1;
}

.contact__item { display: flex; align-items: flex-start; gap: var(--space-4);}

.contact__icon {
    width: 52px;
    height: 52px;
    background: var(--brand-primary-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-primary);
    border: 1px solid var(--border-accent);
    font-size: 1.3rem;
    flex-shrink: 0;
}

.contact__info { display: flex; flex-direction: column;}

.contact__label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--space-1);
}

.contact__value {
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 500;
    transition: color var(--transition-fast);
}

a.contact__value:hover { color: var(--brand-primary);}

.contact__cta {
    text-align: center;
    margin-top: var(--space-8);
    position: relative;
    z-index: 1;
}

/* ===== 页脚 ===== */
.footer {
    border-top: 1px solid var(--border-primary);
    padding: var(--space-8) 0;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.875rem;
    position: relative;
    z-index: 1;
}

.footer p + p { margin-top: var(--space-2);}

.footer__links {
    display: flex;
    justify-content: center;
    gap: var(--space-6);
    margin-bottom: var(--space-4);
}

.footer__link {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    font-size: 0.875rem;
}

.footer__link:hover { color: var(--brand-primary);}

/* ===== 回到顶部 ===== */
.back-to-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-cyan));
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(22,119,255,0.4);
    transition: all var(--transition-normal);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: var(--z-header);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
    stroke: white;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 28px rgba(22,119,255,0.5);
}

/* ===== 移动端菜单遮罩 ===== */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10,15,30,0.85);
    backdrop-filter: blur(4px);
    z-index: calc(var(--z-header) - 1);
}

.mobile-menu-overlay.active {
    display: block;
}

/* ===== 移动端侧边菜单 ===== */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100%;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-accent);
    z-index: var(--z-header);
    padding: var(--space-16) var(--space-6) var(--space-6);
    transition: right var(--transition-normal);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu a {
    display: block;
    padding: var(--space-3) var(--space-4);
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.mobile-menu a:hover,
.mobile-menu a.active {
    color: var(--brand-primary);
    background: var(--brand-primary-bg);
}

/* ============================================================
   响应式设计
   ============================================================ */

/* 平板 ≤1024px */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    /* 时间轴平板适配：收缩间距 */
    .timeline {
        max-width: 100%;
    }

    .timeline__year-num {
        font-size: 26px;
    }

    .timeline__card {
        padding: 16px 18px;
    }

    .timeline__title {
        font-size: 13px;
    }

    .timeline__list li {
        font-size: 12px;
    }
}

/* 手机横屏 ≤768px */
@media (max-width: 768px) {
    :root {
        --space-6: 1.25rem;
        --space-8: 1.75rem;
        --space-12: 2.5rem;
        --space-16: 3rem;
    }

    .container { padding: 0 var(--space-4); }

    /* 导航 */
    .header__nav { display: none; }

    .header__lang { display: none; }

    .header__hamburger { display: flex; }

    /* Hero */
    .hero__title { font-size: 2rem; }

    [lang="en"] .hero__title { font-size: 1.75rem; }

    .hero__subtitle { font-size: 1rem; }

    .hero__bg-glow { opacity: 0.2; }

    /* 区块标题 */
    .section__title { font-size: 1.5rem; }

    /* 服务卡片 */
    .services-grid { grid-template-columns: 1fr; gap: var(--space-6); }

    .service-card__visual { aspect-ratio: 16 / 9; }

    .service-card__content { padding: var(--space-6); }

    .service-card__title { font-size: 1.2rem; }

    .service-card__desc { font-size: 0.95rem; }

    /* 科技地球服务节点 */
    .globe-services {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .globe-services__earth {
        max-width: 320px;
    }

    .brand-story__grid { grid-template-columns: 1fr; gap: var(--space-6); }

    .brand-story__stats { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }

    .brand-stat { padding: var(--space-6) var(--space-4); }

    .brand-stat__number { font-size: 2rem; }

    .timeline::before { left: 16px; }

    .timeline__item { flex-direction: row !important;  padding-left: 0; }

    .timeline__year-side {
        flex: 0 0 50px !important;
        justify-content: flex-end !important;
        padding-right: 12px !important;
        padding-left: 0 !important;
    }

    .timeline__year-num { font-size: 20px; }

    .timeline__year-bar { width: 16px; }

    .timeline__dot-wrap { flex: 0 0 32px !important; padding-top: 4px; }

    .timeline__dot {
        width: 12px;
        height: 12px;
        border-width: 2px;
        box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15), 0 0 10px rgba(37, 99, 235, 0.25);
    }

    .timeline__content-side {
        flex: 1 !important;
        padding-left: 12px !important;
        padding-right: 0 !important;
    }

    .timeline__card { padding: 14px 16px; }

    .timeline__title { font-size: 13px; margin-bottom: 8px; }

    .timeline__list li { font-size: 12px; }

    /* 数据指标 */
    .metrics { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }

    .metric { padding: 20px 12px; }

    .metric__value { font-size: 1.75rem; }

    /* 联系方式 */
    .contact {
        padding: var(--space-8) var(--space-4);
        border-radius: var(--radius-lg);
    }

    .contact__methods {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
}

/* 手机竖屏 ≤480px */
@media (max-width: 480px) {
    .hero__title { font-size: 1.75rem; }

    [lang="en"] .hero__title { font-size: 1.5rem; }

    .qqc-banner { grid-template-columns: 1fr; }

    .qqc-banner__item { padding: var(--space-6) var(--space-4); }

    .brand-stat__number { font-size: 1.75rem; }

    .metric__value { font-size: 1.5rem; }

    /* 科技地球服务节点 - 手机竖屏 */
    .globe-services__earth {
        max-width: 240px;
    }

    .globe-services__nodes {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .globe-node {
        padding: var(--space-4);
        gap: var(--space-3);
    }
    
    .globe-node__icon {
        width: 40px;
        height: 40px;
    }
    
    .globe-node__title {
        font-size: 1.05rem;
    }
    
    .globe-node__desc {
        font-size: 0.85rem;
    }

    .contact__cta .btn { padding: var(--space-3) var(--space-4); }

    .back-to-top {
        bottom: var(--space-4);
        right: var(--space-4);
        width: 44px;
        height: 44px;
    }

    .back-to-top svg {
        width: 17px;
        height: 17px;
    }

    /* 企业文化轮播 - 移动端适配 */
    .culture-slide {
        grid-template-columns: 1fr;
    }

    .culture-slide__visual {
        min-height: 280px;
        order: 1;
    }

    .culture-slide__image-wrap {
        width: 70%;
        max-width: 260px;
    }

    .culture-slide__badge {
        font-size: 48px;
        bottom: 16px;
        right: 16px;
    }

    .culture-slide__content {
        padding: var(--space-8) var(--space-6);
        order: 2;
    }

    .culture-slide__title {
        font-size: 1.75rem;
    }

    .culture-slide__lead {
        font-size: 1rem;
        margin-bottom: var(--space-6);
        padding-bottom: var(--space-4);
    }

    .culture-slide__list {
        gap: var(--space-4);
    }

    .culture-slide__list li {
        font-size: 0.95rem;
        padding-left: 24px;
    }

    .culture-carousel__arrow {
        width: 40px;
        height: 40px;
    }

    .culture-carousel__arrow svg {
        width: 18px;
        height: 18px;
    }

    .culture-carousel__arrow--prev {
        left: 12px;
    }

    .culture-carousel__arrow--next {
        right: 12px;
    }

    .culture-carousel__dots {
        bottom: 16px;
        gap: 8px;
    }

    .culture-carousel__dot {
        width: 8px;
        height: 8px;
    }
}

/* ===== 客户案例 ===== */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.case-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    backdrop-filter: blur(8px);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-glass);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.case-card:hover {
    transform: translateY(-6px);
    border-color: var(--brand-primary);
    box-shadow: 0 16px 48px rgba(22,119,255,0.2);
}

.case-card__image {
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--space-4);
    height: 180px;
    background: var(--bg-tertiary);
    position: relative;
    flex-shrink: 0;
}

.case-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.case-card:hover .case-card__image img {
    transform: scale(1.05);
}

.case-card__content {
    flex-grow: 1;
    position: relative;
    z-index: 1;
}

.case-card__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
    line-height: 1.4;
}

.case-card__desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.case-card__client {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--text-tertiary);
    font-size: 0.875rem;
    border-top: 1px solid var(--border-primary);
    padding-top: var(--space-3);
    margin-top: auto;
}

.case-card__client-logo {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--bg-secondary);
}

.case-card__client-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 4px;
}

/* ===== 合作伙伴logo墙 ===== */
.partner-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: var(--space-6);
}

.partner-item {
    background: var(--bg-glass);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-md);
    padding: var(--space-6);
    backdrop-filter: blur(8px);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 120px;
    min-width: 0;
    overflow: hidden;
}

.partner-item:hover {
    border-color: var(--brand-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(22,119,255,0.2);
}

.partner-item__logo {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 60px;
    object-fit: contain;
    filter: grayscale(0.8) brightness(1.2);
    opacity: 0.8;
    transition: all var(--transition-normal);
}

.partner-item:hover .partner-item__logo {
    filter: grayscale(0) brightness(1.4);
    opacity: 1;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .case-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partner-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .case-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .case-card {
        padding: var(--space-6);
    }
    
    .case-card__image {
        height: 160px;
    }
    
    .partner-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: var(--space-4);
    }
    
    .partner-item {
        height: 100px;
        padding: var(--space-4);
        min-width: 0;
    }
    
    .partner-item__logo {
        width: auto;
        height: auto;
        max-height: 50px;
    }
}

@media (max-width: 480px) {
    .partner-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}