/* ==================== 全局样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2B5BA6;
    --primary-dark: #1e4a8b;
    --primary-light: #E8F1FF;
    --accent-orange: #FF8C42;
    --text-primary: #2C3E50;
    --text-secondary: #5C6B7A;
    --text-tertiary: #95A5A6;
    --border: #E8ECEF;
    --white: #FFFFFF;
    --gray-bg: #F5F7FA;
    --dark-bg: #1A1A1A;
    --shadow-sm: 0 2px 12px rgba(43, 91, 166, 0.08);
    --shadow-md: 0 8px 32px rgba(43, 91, 166, 0.15);
    --shadow-lg: 0 12px 48px rgba(43, 91, 166, 0.2);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', Helvetica, Arial, sans-serif;
    color: var(--text-primary);
    line-height: 1.7;
    background-color: #FAFBFC;
    letter-spacing: -0.2px;
    font-size: 15px;
    padding-top: 75px;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
}

/* ==================== 按钮样式 ==================== */
.btn {
    padding: 14px 36px;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-block;
    text-align: center;
    letter-spacing: 0.3px;
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(43, 91, 166, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(43, 91, 166, 0.4);
}

.btn-outline {
    border: 2px solid rgba(255, 255, 255, 0.9);
    color: var(--white);
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.25);
    color: var(--white);
    border-color: var(--white);
}

.btn-small {
    padding: 12px 28px;
    font-size: 15px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    letter-spacing: 0.3px;
    box-shadow: 0 4px 12px rgba(43, 91, 166, 0.25);
}

.btn-small:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(43, 91, 166, 0.35);
}

.btn-large {
    padding: 15px 48px;
    font-size: 16px;
    font-weight: 600;
}

.btn-full {
    width: 100%;
}

/* 语言下拉框样式 */
.lang-dropdown {
    position: relative;
}

.lang-btn {
    background-color: var(--white);
    border: 2px solid var(--border);
    color: var(--text-secondary);
    padding: 10px 18px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.lang-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 4px 12px rgba(43, 91, 166, 0.15);
}

.lang-btn .flag-icon {
    font-size: 18px;
    line-height: 1;
}

.lang-btn .arrow {
    font-size: 10px;
    transition: transform 0.3s ease;
}

.lang-dropdown.active .lang-btn .arrow {
    transform: rotate(180deg);
}

.lang-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background-color: var(--white);
    border: 2px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(43, 91, 166, 0.2);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.lang-dropdown.active .lang-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-size: 14px;
    font-weight: 500;
}

.lang-option:first-child {
    border-radius: 10px 10px 0 0;
}

.lang-option:last-child {
    border-radius: 0 0 10px 10px;
}

.lang-option:hover {
    background-color: var(--gray-bg);
}

.lang-option.active {
    background: linear-gradient(135deg, var(--primary-light) 0%, #F0F6FF 100%);
    color: var(--primary);
    font-weight: 600;
}

.lang-option .flag-icon {
    font-size: 20px;
    line-height: 1;
}

.btn-contact {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border: none;
    padding: 12px 32px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 4px 12px rgba(43, 91, 166, 0.25);
}

.btn-contact:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(43, 91, 166, 0.35);
}

/* ==================== 导航栏 ==================== */
.header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(43, 91, 166, 0.08);
}

.header-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 75px;
    position: relative;
}

.logo-section {
    display: flex;
    align-items: flex-start;
    flex-shrink: 0;
    gap: 16px;
    padding-top: 4px;
}

.logo-icon {
    width: 54px;
    height: 54px;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(43, 91, 166, 0.15);
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0px;
}

.logo h1 {
    font-size: 28px;
    color: var(--primary);
    font-weight: 800;
    margin: 0;
    letter-spacing: 1px;
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}

.logo-en {
    font-size: 11px;
    color: var(--text-tertiary);
    letter-spacing: 0.5px;
    margin-top: 0px;
    font-weight: 500;
    text-transform: uppercase;
}

.navbar {
    flex: 1;
    display: flex;
    justify-content: center;
    margin: 0 60px;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 50px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent-orange) 100%);
    border-radius: 2px;
}

.header-actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
    position: absolute;
    top: 20px;
    right: 20px;
}

/* ==================== Hero 区域 ==================== */
.hero {
    position: relative;
    width: 100%;
    overflow: visible;
    padding: 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    margin-bottom: 100px;
}

.hero-carousel {
    position: relative;
    width: 100%;
    height: 750px;
    overflow: visible;
    color: #2B5BA6;
}

.hero-slides {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 0;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    z-index: 0;
}

.hero-slide.active {
    opacity: 1;
    z-index: 1;
}

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.5) 100%);
    z-index: 1;
}

.hero-content {
    position: absolute;
    top: 80px;
    left: 80px;
    text-align: left;
    color: var(--white);
    z-index: 10;
    max-width: 600px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -1.5px;
    color: var(--white);
    text-shadow: 2px 2px 12px rgba(0,0,0,0.4);
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 0;
    line-height: 1.6;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 1px 1px 6px rgba(0,0,0,0.3);
}

/* Hero统计数据 - 底部悬挂效果 */
.hero-stats {
    position: absolute;
    bottom: -80px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    gap: 150px;
    z-index: 999;
    background: rgba(255, 255, 255, 1);
    padding: 32px 80px;
    border-radius: 20px;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.hero-stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-width: 180px;
}

.hero-stat-number {
    font-size: 52px;
    font-weight: 900;
    color: var(--primary);
    letter-spacing: -1.5px;
    text-shadow: none;
    line-height: 1;
}

/* 英文模式下年份数字字体小一点 */
html[lang="en"] .hero-stat-item:last-child .hero-stat-number {
    font-size: 52px;
}

.hero-stat-label {
    font-size: 14px;
    color: rgba(0, 0, 0, 0.6);
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-shadow: none;
    white-space: nowrap;
    text-align: center;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-buttons .btn {
    font-size: 15px;
    padding: 14px 40px;
}

.carousel-btn {
    display: none;
}

.carousel-dots {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 11;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.carousel-dot.active {
    background-color: var(--white);
    transform: scale(1.2);
    border-color: var(--primary);
}

.carousel-dot:hover {
    background-color: rgba(255, 255, 255, 0.8);
}

.hero-image {
    animation: slideInRight 0.9s cubic-bezier(0.4, 0, 0.2, 1);
}

.placeholder-large {
    width: 100%;
    height: 480px;
    background: linear-gradient(135deg, #E8F1FF 0%, #F3F5F9 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--primary);
    border: 2px solid #E0E8F8;
    font-weight: 500;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==================== 统计数据区 ==================== */
.stats-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 80px 20px;
    border-top: none;
    border-bottom: none;
}

.stats-container {
    max-width: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 60px;
}

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

.stat-number {
    font-size: 52px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
    letter-spacing: -1.5px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.stat-text {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

/* ==================== 为什么选择我们 ==================== */
.why-choose-section {
    background-color: var(--white);
    padding: 100px 20px;
    position: relative;
    overflow: hidden;
}

.why-choose-container {
    max-width: 100%;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    padding: 0 60px;
}

.why-choose-title {
    font-size: 38px;
    font-weight: 800;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 70px;
    letter-spacing: -1.2px;
    position: relative;
    display: inline-block;
    width: 100%;
}

.why-choose-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent-orange) 100%);
    border-radius: 2px;
}

.why-choose-content {
    display: flex;
    flex-direction: column;
    gap: 60px;
    max-width: 100%;
    margin: 0 auto;
}

/* 业绩展示区域 */
.achievement-section {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 20px;
    align-items: flex-start;
}

.why-choose-image {
    width: 100%;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 12px 48px rgba(43, 91, 166, 0.15);
}

.why-choose-image img {
    width: 100%;
    height: auto;
    display: block;
}

.achievement-text {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.why-choose-highlight {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.8;
    font-weight: 600;
    padding: 24px;
    background: linear-gradient(135deg, var(--primary-light) 0%, #F0F6FF 100%);
    border-radius: 16px;
    border-left: 6px solid var(--primary);
    box-shadow: 0 4px 16px rgba(43, 91, 166, 0.08);
}

/* 业绩详情 */
.achievement-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.achievement-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px;
    background: white;
    border-radius: 16px;
    border: 2px solid var(--border);
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.achievement-item:hover {
    box-shadow: 0 8px 24px rgba(43, 91, 166, 0.12);
    border-color: var(--primary);
    transform: translateX(8px);
}

.achievement-icon {
    font-size: 36px;
    line-height: 1;
    flex-shrink: 0;
}

.achievement-content {
    flex: 1;
}

.achievement-subtitle {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.achievement-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0;
}



.digital-stat-item {
    text-align: center;
    padding: 40px 24px;
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-bg) 100%);
    border-radius: 20px;
    border: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.digital-stat-item:hover {
    transform: translateY(-8px);
    background: linear-gradient(135deg, var(--primary-light) 0%, #E8F1FF 100%);
    border-color: transparent;
    box-shadow: 0 12px 32px rgba(43, 91, 166, 0.2);
}

.digital-number {
    font-size: 56px;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 16px;
    line-height: 1;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 6px;
    text-shadow: 0 2px 8px rgba(43, 91, 166, 0.1);
}

.stat-num {
    font-family: 'Arial', sans-serif;
}

.stat-unit {
    font-size: 28px;
    font-weight: 700;
}

.digital-label {
    font-size: 17px;
    color: var(--text-secondary);
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* ==================== 未来规划 ==================== */
.future-planning {
    max-width: 1400px;
    margin: 40px auto 0;
    padding: 40px 40px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f1ff 100%);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.future-planning-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 50px;
    letter-spacing: -0.5px;
    position: relative;
    display: inline-block;
    width: 100%;
}

.future-planning-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent-orange) 100%);
    border-radius: 2px;
}

/* 未来规划 - Clover布局 */
.future-planning-intro {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin: 20px 0;
    text-align: justify;
}

.future-planning-goal {
    font-size: 16px;
    line-height: 1.8;
    color: var(--primary);
    font-weight: 600;
    margin: 20px 0 40px;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-light) 0%, #E8F1FF 100%);
    border-radius: 12px;
    border-left: 4px solid var(--primary);
}

/* 优势项目容器 - 左右并排布局 */
.future-planning {
    max-width: 100%;
    margin: 40px 0 0;
    padding: 40px 60px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f1ff 100%);
    border-radius: 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

/* 优势项目 */
.advantage-item {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    align-items: start;
    margin: 0;
    background: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.advantage-content {
    padding: 0;
    flex: 1;
}

.advantage-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.advantage-icon {
    font-size: 26px;
}

.advantage-desc {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* 图片占位 */
.advantage-image-placeholder {
    width: 100%;
    height: 300px;
    background: #f0f2f5;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.advantage-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* 物流合作伙伴 */
.logistics-partners {
    margin-top: 20px;
}

.partner-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
    display: block;
    margin-bottom: 12px;
}

.logistics-logos {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.logistics-logo-item {
    padding: 10px 16px;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 50px;
    min-width: 80px;
    transition: all 0.3s ease;
}

.logistics-logo-item:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.1);
    transform: translateY(-2px);
}

.logistics-logo {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* 合作伙伴品牌 */
.partners-brands {
    margin-top: 20px;
}

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

.brand-logo-item {
    padding: 16px;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
}

.partner-logo {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* 文字内容区域 */
.planning-text-section {
    margin: 32px 0 0 0;
    grid-column: 1 / -1; /* 跨越所有列 */
}

.text-section-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.title-icon {
    font-size: 24px;
}

.clover-layout-wrapper {
    overflow: visible;
    margin-top: -100px;
    margin-bottom: 0;
    grid-column: 1 / -1; /* 跨越所有列 */
}

.clover-layout {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 50px;
    margin-bottom: 0;
}

.clover-item {
    background: var(--white);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    border: 2px solid var(--border);
    transition: all 0.3s ease;
}

.clover-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(43, 91, 166, 0.15);
    border-color: var(--primary);
}

.clover-content {
    text-align: left;
}

.clover-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.clover-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
}

.clover-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.clover-list li {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
    padding-left: 28px;
    position: relative;
    margin-bottom: 12px;
}

.clover-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
    font-size: 18px;
}

/* 规划卡片指示器 */
.clover-indicators {
    display: none; /* 默认在桌面端隐藏 */
    grid-column: 1 / -1; /* 跨越所有列 */
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .clover-layout {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .future-planning {
        padding: 40px 30px;
        margin: 60px 20px 0;
        grid-template-columns: 1fr; /* 平板改为单列 */
        gap: 20px;
    }

    .advantage-item {
        margin: 0; /* 移除外边距 */
    }

    .product-card {
        grid-template-columns: 1fr;
    }

    .product-image {
        height: 250px;
    }

    .products-grid {
        grid-template-columns: repeat(3, 1fr); /* 平板显示3列 */
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .future-planning {
        padding: 30px 0;
        margin: 40px 0 0;
        grid-template-columns: 1fr; /* 手机端单列 */
        gap: 16px;
    }

    .future-planning-title {
        font-size: 26px;
        padding: 0 20px;
    }

    .future-planning-intro,
    .future-planning-goal {
        font-size: 14px;
        line-height: 1.8;
        padding: 0 20px;
    }

    /* 优势项目 */
    .advantage-item {
        grid-template-columns: 1fr;
        gap: 16px;
        margin: 0; /* 移除外边距 */
        padding: 20px;
        overflow: visible;
        min-height: auto;
    }

    .advantage-item.reverse {
        grid-template-columns: 1fr;
    }

    .advantage-title {
        font-size: 18px;
    }

    .advantage-icon {
        font-size: 24px;
    }

    .advantage-desc {
        font-size: 14px;
        margin-bottom: 12px;
    }

    .advantage-image-placeholder {
        height: 220px;
        flex-shrink: 0;
    }

    /* 物流合作伙伴 */
    .logistics-logos {
        gap: 10px;
    }

    .logistics-logo-item {
        min-width: 70px;
        height: 45px;
        padding: 8px 12px;
    }

    /* 合作伙伴 */
    .brand-logos-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .brand-logo-item {
        height: 70px;
        padding: 14px;
    }

    /* 文字内容区域 */
    .planning-text-section {
        padding: 0 20px;
        margin: 20px 0 10px 0;
    }

    .text-section-title {
        font-size: 18px;
    }

    .clover-layout-wrapper {
        overflow-x: auto;
        overflow-y: visible;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none; /* 隐藏滚动条 Firefox */
        padding-bottom: 0;
        padding-top: 20px;
        margin: -20px 0 0 0;
        padding-left: 0;
        padding-right: 0;
    }

    .clover-layout-wrapper::-webkit-scrollbar {
        display: none; /* 隐藏滚动条 Chrome/Safari/Edge */
    }

    .clover-layout {
        display: flex;
        gap: 16px;
        margin-top: 0;
        padding: 0 20px;
        justify-content: flex-start;
    }

    .clover-item {
        min-width: calc(100vw - 80px);
        max-width: calc(100vw - 80px);
        flex-shrink: 0;
        padding: 20px;
    }

    .clover-title {
        font-size: 18px;
        margin-bottom: 16px;
    }

    .clover-list li {
        font-size: 14px;
        margin-bottom: 10px;
    }

    .clover-indicators {
        display: flex;
        gap: 8px;
        justify-content: center;
        padding: 20px 0 0;
        margin: 0 auto;
    }

    .clover-indicator {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background-color: #ddd;
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .clover-indicator.active {
        background-color: var(--primary);
        width: 24px;
        border-radius: 4px;
    }

    .hero-stats {
        gap: 40px;
    }

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

    html[lang="en"] .hero-stat-item:last-child .hero-stat-number {
        font-size: 36px;
    }

    .hero-stat-label {
        font-size: 13px;
    }

    .product-card {
        grid-template-columns: 1fr;
    }

    .product-image {
        height: 220px;
    }

    .product-body {
        padding: 24px;
    }

    .product-title {
        font-size: 20px;
    }
}


/* ==================== 产品展示 ==================== */
.products-section {
    padding: 140px 0 80px 0;
    background-color: var(--gray-bg);
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 60px;
}

.section-title {
    font-size: 38px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: -1.2px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent-orange) 100%);
    border-radius: 2px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 400;
    line-height: 1.6;
    margin-top: 20px;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 14px 32px;
    border: 2px solid var(--border);
    background-color: var(--white);
    color: var(--text-secondary);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.3px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.filter-btn:hover {
    border-color: var(--primary);
    background-color: var(--primary-light);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(43, 91, 166, 0.15);
}

.filter-btn.active {
    border-color: var(--primary);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(43, 91, 166, 0.35);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding: 0 60px;
}

.product-card {
    background-color: var(--white);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.product-card:hover {
    box-shadow: 0 16px 48px rgba(43, 91, 166, 0.15);
    border-color: var(--primary);
    transform: translateY(-4px);
}

.product-image {
    position: relative;
    height: 240px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecef 100%);
    overflow: hidden;
}

.placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--text-tertiary);
}

.badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.badge.hot {
    background: linear-gradient(135deg, #FF6B6B 0%, #EE5A52 100%);
    color: var(--white);
}

.badge.new {
    background: linear-gradient(135deg, var(--accent-orange) 0%, #FF7A28 100%);
    color: var(--white);
}

.badge.eco {
    background: linear-gradient(135deg, #51CF66 0%, #40C057 100%);
    color: var(--white);
}

.product-body {
    padding: 32px 40px;
    display: flex;
    flex-direction: column;
    background: var(--white);
    justify-content: center;
}

.product-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.product-specs {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.8;
}

.product-bottom {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 16px;
}

.price {
    display: none;
}

.btn-small {
    padding: 14px 36px;
    font-size: 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    letter-spacing: 0.3px;
    box-shadow: 0 4px 12px rgba(43, 91, 166, 0.25);
    width: auto;
}

.btn-small:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(43, 91, 166, 0.4);
}

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

/* ==================== 服务优势 ==================== */
.services-section {
    padding: 100px 20px;
    background: linear-gradient(135deg, #F5F7FA 0%, #FAFBFC 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 32px;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding: 0 60px;
}

.service-card {
    background-color: var(--white);
    padding: 48px 36px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid var(--border);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.service-card:hover {
    box-shadow: 0 12px 40px rgba(43, 91, 166, 0.15);
    border-color: var(--primary);
    transform: translateY(-8px);
    background: linear-gradient(135deg, var(--white) 0%, var(--primary-light) 100%);
}

.service-icon {
    font-size: 56px;
    margin-bottom: 28px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.service-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 18px;
}

.service-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ==================== 企业优势 ==================== */
.advantages-section {
    padding: 100px 20px;
    background-color: var(--white);
}

.advantages-content {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 60px;
}

/* 企业优势卡片网格 */
.advantages-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 60px;
}

.advantage-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid var(--border);
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(43, 91, 166, 0.2);
    border-color: var(--primary);
}

.advantage-card-image {
    width: 100%;
    height: 600px;

    overflow: hidden;
    background: #f0f2f5;
}

.advantage-card-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.4s ease;
    background: #f0f2f5;
}

.advantage-card:hover .advantage-card-image img {
    transform: scale(1.05);
}

.advantage-card-content {
    padding: 32px 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.advantage-card-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
    line-height: 1.3;
}

.advantage-card-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
    flex: 1;
}

.advantage-card-link {
    font-size: 15px;
    color: var(--primary);
    font-weight: 600;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.advantage-card:hover .advantage-card-link {
    color: var(--accent-orange);
    transform: translateX(4px);
}

.advantage-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
    margin-bottom: 100px;
    padding: 50px 80px;
    background: linear-gradient(135deg, var(--white) 0%, #FAFBFC 100%);
    border-radius: 24px;
    box-shadow: 0 8px 32px rgba(43, 91, 166, 0.08);
    transition: all 0.3s ease;
}

.advantage-block:hover {
    box-shadow: 0 16px 48px rgba(43, 91, 166, 0.15);
    transform: translateY(-4px);
}

.advantage-block:last-child {
    margin-bottom: 0;
}

.advantage-block.reverse {
    grid-template-columns: 1fr 1fr;
}

.advantage-block.reverse .advantage-text {
    order: 1;
}

.advantage-block.reverse .advantage-image {
    order: 2;
}

.advantage-image {
    width: 95%;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(43, 91, 166, 0.12);
}

.advantage-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

.advantage-text {
    padding: 20px;
}

.advantage-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 28px;
    letter-spacing: -0.8px;
    position: relative;
    padding-bottom: 20px;
}

.advantage-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent-orange) 100%);
    border-radius: 2px;
}

.advantage-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 18px;
}

.advantage-highlight {
    font-size: 15px;
    color: var(--text-primary);
    line-height: 1.9;
    padding: 20px 24px;
    background: linear-gradient(135deg, var(--primary-light) 0%, #F0F6FF 100%);
    border-left: 6px solid var(--primary);
    border-radius: 12px;
    font-weight: 600;
    margin-bottom: 18px;
    box-shadow: 0 4px 16px rgba(43, 91, 166, 0.08);
}

.advantage-highlight:last-child {
    margin-bottom: 0;
}

.market-section,
.partner-section {
    margin-bottom: 28px;
}

.market-section:last-child,
.partner-section:last-child {
    margin-bottom: 0;
}

.market-subtitle {
    font-size: 19px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.advantage-block.advantage-block-column {
    grid-template-columns: 1fr;
    gap: 50px;
}

.advantage-text-full {
    width: 100%;
}

.service-cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    margin-top: 40px;
    margin-bottom: 50px;
}

.service-card-item {
    padding: 28px;
    background: var(--white);
    border-radius: 16px;
    border: 2px solid var(--border);
    transition: all 0.3s ease;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.service-card-item:hover {
    border-color: var(--primary);
    box-shadow: 0 12px 32px rgba(43, 91, 166, 0.2);
    transform: translateY(-6px);
    background: linear-gradient(135deg, var(--white) 0%, var(--primary-light) 100%);
}

.service-card-title {
    font-size: 19px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
}

.service-card-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
    text-align: left;
}

.advantage-images-grid-full {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    width: 100%;
}

.advantage-images-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.advantage-small-image {
    width: 100%;
    height: auto;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(43, 91, 166, 0.1);
    transition: all 0.3s ease;
}

.advantage-small-image:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(43, 91, 166, 0.2);
}

.advantage-small-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
}

.advantage-service-details {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 24px;
}

.service-detail-item {
    padding: 20px;
    background: var(--gray-bg);
    border-radius: 8px;
    border-left: 4px solid var(--primary);
    transition: all 0.3s ease;
}

.service-detail-item:hover {
    background: var(--primary-light);
    transform: translateX(8px);
}

.service-detail-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.service-detail-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0;
}

/* ==================== 关于我们 ==================== */
.about-section {
    padding: 100px 20px;
    background: linear-gradient(135deg, #F5F7FA 0%, #FAFBFC 100%);
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 90px;
    align-items: center;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 60px;
}

.about-text {
    animation: fadeInUp 0.8s ease;
}

.about-para {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 36px;
    line-height: 1.9;
}

.timeline {
    margin: 48px 0;
    position: relative;
    padding-left: 50px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 10px;
    bottom: 10px;
    width: 4px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--accent-orange) 100%);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding-left: 24px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -42px;
    top: 8px;
    width: 16px;
    height: 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border: 4px solid var(--white);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--primary-light);
    z-index: 1;
}

.timeline-year {
    font-size: 19px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.timeline-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin: 0;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 44px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(43, 91, 166, 0.08);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(43, 91, 166, 0.15);
}

.check-icon {
    color: var(--white);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    font-size: 14px;
    font-weight: bold;
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(43, 91, 166, 0.3);
}

.feature-item span:last-child {
    font-size: 15px;
    color: var(--text-primary);
    font-weight: 600;
}

.about-image {
    animation: fadeInUp 0.8s ease 0.2s backwards;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 12px 48px rgba(43, 91, 166, 0.15);
}

.placeholder-medium {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #E8F1FF 0%, #F3F5F9 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--primary);
    border: 2px solid #E0E8F8;
    font-weight: 500;
}

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

/* ==================== 联系我们 ==================== */
.contact-section {
    padding: 100px 20px;
    background-color: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 70px;
    margin-top: 60px;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    align-items: start;
    padding: 0 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 36px;
}

.contact-item {
    display: flex;
    gap: 28px;
    align-items: flex-start;
    padding: 32px;
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-bg) 100%);
    border-radius: 20px;
    border: 2px solid var(--border);
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(43, 91, 166, 0.08);
}

.contact-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(43, 91, 166, 0.15);
    border-color: var(--primary);
    background: linear-gradient(135deg, var(--white) 0%, var(--primary-light) 100%);
}

.icon-box {
    font-size: 40px;
    flex-shrink: 0;
    margin-top: 2px;
    filter: drop-shadow(0 4px 8px rgba(43, 91, 166, 0.2));
}

.info-content h4 {
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 12px;
    font-weight: 700;
}

.info-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.contact-map {
    width: 100%;
    height: 500px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 12px 48px rgba(43, 91, 166, 0.15);
    border: 2px solid var(--border);
    position: sticky;
    top: 100px;
}

.contact-map img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ==================== 页脚 ==================== */
.footer {
    background: linear-gradient(135deg, #1A2332 0%, #2C3E50 100%);
    color: #B8C5D6;
    padding: 80px 20px 32px;
}

.footer-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 60px;
    margin-bottom: 60px;
}

.footer-col {
    animation: fadeInUp 0.8s ease;
}

.footer-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.9;
    color: #95A5A6;
}

.footer-heading {
    font-size: 15px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links,
.footer-contact {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 14px;
}

.footer-links a {
    color: #95A5A6;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-links a:hover {
    color: var(--white);
    transform: translateX(4px);
}

.footer-contact li {
    font-size: 14px;
    color: #95A5A6;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 13px;
    color: #7F8C9A;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .header-container {
        padding: 0 16px;
    }

    .container {
        padding: 0 30px;
    }

    .hero-carousel {
        height: 600px;
    }

    .hero-content {
        top: 60px;
        left: 50px;
    }

    .hero-title {
        font-size: 46px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-stats {
        bottom: -70px;
        gap: 70px;
        padding: 28px 60px;
    }

    .hero-stat-item {
        gap: 8px;
        min-width: 160px;
    }

    .hero-stat-number {
        font-size: 46px;
    }

    html[lang="en"] .hero-stat-item:last-child .hero-stat-number {
        font-size: 46px;
    }

    .hero-stat-label {
        font-size: 13px;
    }

    .carousel-dots {
        bottom: 80px;
    }

    .hero-container {
        gap: 60px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 50px;
        padding: 0 30px;
    }

    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 60px;
        padding: 0 30px;
    }

    .stats-container {
        gap: 40px;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .products-section {
        padding: 0px 0 80px 0;
    }

    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
        padding: 0 30px;
    }

    .section-header {
        margin-bottom: 50px;
        padding: 0 30px;
    }

    .clover-layout {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .future-planning {
        padding: 40px 30px;
        margin: 60px 0 0;
        grid-template-columns: 1fr; /* 平板改为单列 */
        gap: 20px;
    }

    .products-grid {
        grid-template-columns: repeat(3, 1fr); /* 平板显示3列 */
        gap: 20px;
        padding: 0 30px;
    }

    .advantages-content {
        padding: 0 30px;
    }

    .advantages-cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
        padding: 0 30px;
    }

    .advantage-card-image {
        height: 380px;
    }

    .product-card {
        grid-template-columns: 1fr;
    }

    .product-image {
        height: 250px;
    }
}

@media (max-width: 768px) {
    :root {
        font-size: 15px;
    }

    body {
        padding-top: 85px;
    }

    .header {
        position: fixed;
        top: 0;
        z-index: 1000;
    }

    .header-container {
        flex-wrap: wrap;
        height: auto;
        padding: 12px 10px;
        gap: 12px;
        min-height: 70px;
    }

    .logo-section {
        flex: 1;
    }

    .logo-icon {
        width: 48px;
        height: 48px;
    }

    .logo h1 {
        font-size: 23px;
        letter-spacing: -0.3px;
    }

    .navbar {
        display: none;
    }

    .header-actions {
        width: auto;
        display: flex;
        gap: 10px;
        position: absolute;
        top: 15px;
        right: 10px;
    }

    .lang-btn,
    .btn-contact {
        padding: 8px 14px;
        font-size: 12px;
    }

    .lang-btn .flag-icon {
        font-size: 16px;
    }

    /* Hero 优化 */
    .hero-carousel {
        height: 550px;
        color: #2B5BA6;
    }

    .hero-content {
        top: 50px;
        left: 40px;
        max-width: 500px;
    }

    .hero-title {
        font-size: 40px;
        line-height: 1.25;
        margin-bottom: 16px;
    }

    .hero-subtitle {
        font-size: 16px;
        line-height: 1.6;
    }

    .hero-stats {
        bottom: -60px;
        gap: 60px;
        padding: 24px 50px;
    }

    .hero-stat-item {
        gap: 6px;
        min-width: 150px;
    }

    .hero-stat-number {
        font-size: 42px;
    }

    html[lang="en"] .hero-stat-item:last-child .hero-stat-number {
        font-size: 42px;
    }

    .hero-stat-label {
        font-size: 12px;
    }

    .carousel-dots {
        bottom: 70px;
    }

    .hero-buttons {
        gap: 10px;
    }

    .hero-buttons .btn {
        padding: 12px 24px;
        font-size: 14px;
        flex: 1 1 auto;
        min-width: 140px;
    }

    .carousel-dots {
        bottom: 20px;
        gap: 8px;
    }

    .carousel-dot {
        width: 10px;
        height: 10px;
    }

    /* 统计区优化 */
    .stats-section {
        padding: 50px 20px;
    }

    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .stat-number {
        font-size: 36px;
        margin-bottom: 8px;
    }

    .stat-text {
        font-size: 13px;
    }

    /* 产品区优化 */
    .products-section {
        padding: 0px 0 0px 0;
    }

    /* 为什么选择我们优化 */
    .why-choose-section {
        padding: 60px 0;
    }

    .why-choose-container {
        padding: 0 20px;
    }

    .why-choose-title {
        font-size: 28px;
        margin-bottom: 40px;
    }

    .why-choose-content {
        gap: 40px;
    }

    .future-planning {
        padding: 30px 20px;
        margin: 0;
        grid-template-columns: 1fr;
        gap: 20px;
        overflow: visible;
    }

    .advantage-item {
        padding: 20px;
        margin: 0;
        overflow: visible;
    }

    .advantage-desc {
        font-size: 14px;
    }

    .advantage-image-placeholder {
        height: 180px;
        max-height: 180px;
        flex-shrink: 0;
    }

    /* 规划卡片 */
    .future-planning-title {
        font-size: 26px;
    }

    .clover-item {
        padding: 24px;
    }

    .clover-title {
        font-size: 18px;
    }

    .clover-list li {
        font-size: 14px;
    }

    .achievement-subtitle {
        font-size: 15px;
    }

    .achievement-desc {
        font-size: 13px;
    }


    .digital-stat-item {
        padding: 24px 15px;
    }

    .digital-number {
        font-size: 36px;
        margin-bottom: 10px;
    }

    .stat-unit {
        font-size: 18px;
    }

    .digital-label {
        font-size: 14px;
    }

    .section-header {
        margin-bottom: 40px;
        padding: 0 20px;
    }

    .section-title {
        font-size: 28px;
        margin-bottom: 12px;
    }

    .section-desc {
        font-size: 14px;
    }

    .filter-buttons {
        gap: 8px;
        margin-bottom: 40px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 12px;
        border-radius: 4px;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        margin-bottom: 40px;
        padding: 0 20px;
    }

    .product-card {
        border-radius: 8px;
    }

    .product-image {
        height: 220px;
    }

    .product-body {
        padding: 24px;
    }

    .product-title {
        font-size: 18px;
        margin-bottom: 10px;
    }

    .product-specs {
        font-size: 14px;
        margin-bottom: 14px;
        padding-bottom: 18px;
    }

    .product-bottom {
        padding-top: 18px;
    }

    .btn-small {
        padding: 12px 28px;
        font-size: 15px;
    }

    /* 服务区优化 */
    .services-section {
        padding: 60px 20px;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 0 20px;
    }

    .service-card {
        padding: 30px 20px;
        border-radius: 6px;
    }

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

    .service-title {
        font-size: 17px;
        margin-bottom: 12px;
    }

    .service-desc {
        font-size: 13px;
        line-height: 1.6;
    }

    /* 关于我们优化 */
    .about-section {
        padding: 60px 20px;
    }

    .about-wrapper {
        padding: 0;
    }

    /* 企业优势优化 */
    .advantages-section {
        padding: 60px 20px;
    }

    .advantages-content {
        padding: 0;
    }

    .advantages-cards-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 0 20px;
    }

    .advantage-card-image {
        height: 320px;
    }

    .advantage-card-content {
        padding: 28px 24px;
    }

    .advantage-card-title {
        font-size: 22px;
    }

    .advantage-card-desc {
        font-size: 14px;
    }

    .advantage-block {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 40px;
        padding: 30px 20px;
    }

    .advantage-block.reverse {
        grid-template-columns: 1fr;
    }

    .advantage-block.reverse .advantage-text {
        order: 2;
    }

    .advantage-block.reverse .advantage-image {
        order: 1;
    }

    .advantage-title {
        font-size: 22px;
        margin-bottom: 16px;
    }

    .advantage-desc {
        font-size: 14px;
        line-height: 1.8;
        margin-bottom: 12px;
    }

    .advantage-highlight {
        font-size: 14px;
        line-height: 1.8;
        padding: 12px 16px;
    }

    .advantage-text {
        padding: 10px;
    }

    .advantage-images-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .advantage-images-grid-full {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .advantage-small-image {
        height: auto;
    }

    .service-detail-item {
        padding: 16px;
    }

    .service-detail-title {
        font-size: 16px;
        margin-bottom: 8px;
    }

    .service-detail-desc {
        font-size: 13px;
        line-height: 1.7;
    }

    .service-cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        margin-top: 24px;
        margin-bottom: 30px;
    }

    .service-card-item {
        padding: 20px;
    }

    .service-card-title {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .service-card-desc {
        font-size: 12px;
    }

    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-para {
        font-size: 14px;
        margin-bottom: 24px;
        line-height: 1.75;
    }

    .timeline {
        margin: 30px 0;
        padding-left: 30px;
    }

    .timeline-item {
        margin-bottom: 24px;
        padding-left: 16px;
    }

    .timeline-item::before {
        left: -25px;
        width: 12px;
        height: 12px;
    }

    .timeline-year {
        font-size: 16px;
        margin-bottom: 6px;
    }

    .timeline-content p {
        font-size: 13px;
        line-height: 1.7;
    }

    .about-features {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 24px;
    }

    .feature-item {
        gap: 10px;
    }

    .check-icon {
        font-size: 16px;
    }

    .feature-item span:last-child {
        font-size: 13px;
    }

    .placeholder-medium {
        height: 250px;
        font-size: 16px;
    }

    /* 联系我们优化 */
    .contact-section {
        padding: 60px 20px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 0;
    }

    .contact-info {
        gap: 24px;
    }

    .contact-item {
        gap: 16px;
        padding: 20px;
    }

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

    .info-content h4 {
        font-size: 15px;
        margin-bottom: 6px;
    }

    .info-content p {
        font-size: 14px;
    }

    .contact-map {
        height: 350px;
        position: static;
    }

    /* 页脚优化 */
    .footer {
        padding: 40px 20px 16px;
    }

    .footer-container {
        padding: 0;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .footer-title {
        font-size: 15px;
        margin-bottom: 12px;
    }

    .footer-desc {
        font-size: 12px;
    }

    .footer-heading {
        font-size: 13px;
        margin-bottom: 12px;
    }

    .footer-links a,
    .footer-contact li {
        font-size: 12px;
        margin-bottom: 8px;
    }

    .footer-bottom {
        padding-top: 16px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }

    .container {
        padding: 0 2px;
    }

    .header-container {
        padding: 10px 16px;
        height: auto;
        min-height: 60px;
    }

    .logo-icon {
        margin-top: -3px;
        width: 43px;
        height: 43px;
    }

    .logo h1 {
        font-size: 20px;
        letter-spacing: -0.3px;
    }

    .logo-en {
        font-size: 10px;
        margin-top: -6px;
        letter-spacing: 0.3px;
    }

    .lang-btn,
    .btn-contact {
        padding: 7px 12px;
        font-size: 11px;
    }

    .lang-btn .flag-icon {
        font-size: 14px;
    }

    .lang-btn .lang-text {
        display: none;
    }

    .lang-menu {
        min-width: 120px;
    }

    /* Hero */
    .hero-carousel {
        height: 500px;
        color: #2B5BA6;
    }

    .hero-content {
        top: 30px;
        left: 20px;
        max-width: 90%;
    }

    .hero-title {
        font-size: 28px;
        margin-bottom: 12px;
        line-height: 1.3;
        letter-spacing: -0.5px;
    }

    .hero-subtitle {
        font-size: 14px;
        line-height: 1.5;
    }

    .hero-stats {
        bottom: -50px;
        gap: 16px;
        flex-direction: row;
        padding: 16px 30px;
        width: 90%;
    }

    .hero-stat-item {
        gap: 6px;
        justify-content: center;
        min-width: 100px;
        flex: 1;
    }

    .hero-stat-number {
        font-size: 26px;
    }

    html[lang="en"] .hero-stat-item:last-child .hero-stat-number {
        font-size: 26px;
    }

    .hero-stat-label {
        font-size: 8px;
    }

    .carousel-dots {
        bottom: 50px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .hero-buttons .btn {
        width: 100%;
        padding: 11px 20px;
        font-size: 13px;
    }

    .carousel-dots {
        bottom: 15px;
        gap: 6px;
    }

    .carousel-dot {
        width: 8px;
        height: 8px;
    }

    .hero-slide img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center;
    }

    .hero-content {
        width: 95%;
        padding: 0 10px;
    }

    .hero-title {
        font-size: 34px;
        margin-bottom: 12px;
        line-height: 1.3;
        letter-spacing: -0.5px;
    }

    .hero-subtitle {
        font-size: 19px;
        margin-bottom: 20px;
        line-height: 1.6;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .hero-buttons .btn {
        width: 100%;
        padding: 11px 20px;
        font-size: 13px;
    }

    .carousel-dots {
        bottom: 15px;
        gap: 6px;
    }

    .carousel-dot {
        width: 8px;
        height: 8px;
    }

    .placeholder-large {
        height: 280px;
        font-size: 14px;
    }

    /* 统计 */
    .stats-section {
        padding: 40px 16px;
    }

    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stat-card {
        padding: 0;
    }

    .stat-number {
        font-size: 28px;
        margin-bottom: 6px;
    }

    .stat-text {
        font-size: 12px;
    }

    /* 产品 */
    .products {
        padding: 120px 0 20px 0;
    }

    .product-card {
        grid-template-columns: 1fr;
    }

    .product-image {
        height: 200px;
    }

    .product-body {
        padding: 20px;
    }

    .product-title {
        font-size: 18px;
    }

    .product-specs {
        font-size: 13px;
    }

    /* 优势项目 */
    .advantage-item {
        grid-template-columns: 1fr;
        gap: 14px;
        margin: 0; /* 移除外边距 */
        padding: 20px;
        overflow: visible;
        min-height: auto;
    }

    .advantage-item.reverse {
        grid-template-columns: 1fr;
    }

    .advantage-title {
        font-size: 18px;
        margin-bottom: 12px;
        line-height: 1.3;
    }

    .advantage-icon {
        font-size: 22px;
    }

    .advantage-desc {
        font-size: 13px;
        line-height: 1.6;
        margin-bottom: 12px;
    }

    .advantage-image-placeholder {
        height: 200px;
        max-height: 200px;
        flex-shrink: 0;
    }

    /* 物流合作伙伴 */
    .partner-label {
        font-size: 13px;
    }

    .logistics-logos {
        gap: 8px;
    }

    .logistics-logo-item {
        min-width: 65px;
        height: 40px;
        padding: 6px 10px;
    }

    /* 合作伙伴 */
    .brand-logos-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .brand-logo-item {
        height: 65px;
        padding: 12px;
    }

    /* 文字内容区域 */
    .planning-text-section {
        padding: 0 16px;
        margin: 20px 0 10px 0;
    }

    .text-section-title {
        font-size: 17px;
    }

    .title-icon {
        font-size: 20px;
    }

    /* 规划卡片 */
    .clover-layout-wrapper {
        margin: -20px 0 0 0;
        padding-left: 0;
        padding-right: 0;
        padding-top: 20px;
        overflow-x: auto;
        overflow-y: visible;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .clover-layout-wrapper::-webkit-scrollbar {
        display: none;
    }

    .clover-layout {
        display: flex;
        margin-top: 0;
        gap: 16px;
        padding: 0 10px 0 0;
        z-index: 100;
        justify-content: flex-start;
    }

    .clover-item {
        min-width: calc(100vw - 64px);
        max-width: calc(100vw - 64px);
        padding: 20px;
        flex-shrink: 0;
    }

    .clover-title {
        font-size: 17px;
    }

    .clover-list li {
        font-size: 13px;
    }

    .future-planning {
        padding: 30px 16px;
        margin: 0;
        grid-template-columns: 1fr;
        gap: 16px;
        overflow: visible;
    }

    .future-planning-title {
        font-size: 22px;
        margin-bottom: 30px;
        padding: 0;
    }

    .future-planning-intro,
    .future-planning-goal {
        padding: 0;
    }

    /* 为什么选择我们优化 */
    .why-choose-section {
        padding: 50px 0;
    }

    .why-choose-container {
        padding: 0 16px;
    }

    .why-choose-title {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .why-choose-content {
        gap: 30px;
    }

    .advantage-item {
        padding: 16px;
        margin: 0;
        overflow: visible;
        min-height: auto;
    }

    .advantage-desc {
        font-size: 13px;
        margin-bottom: 10px;
    }

    .advantage-image-placeholder {
        height: 180px;
        max-height: 180px;
        flex-shrink: 0;
    }


    .digital-stat-item {
        padding: 20px 12px;
    }

    .digital-number {
        font-size: 32px;
        margin-bottom: 8px;
    }

    .stat-unit {
        font-size: 16px;
    }

    .digital-label {
        font-size: 12px;
    }

    .section-title {
        font-size: 24px;
        margin-bottom: 10px;
    }

    .section-desc {
        font-size: 13px;
    }

    .section-header {
        margin-bottom: 30px;
        padding: 0 16px;
    }

    .filter-buttons {
        gap: 6px;
        margin-bottom: 30px;
    }

    .filter-btn {
        padding: 7px 14px;
        font-size: 11px;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 10px;
        margin-bottom: 30px;
        padding: 0 16px;
    }

    .product-image {
        height: 180px;
    }

    .product-body {
        padding: 18px;
    }

    .product-title {
        font-size: 16px;
        margin-bottom: 8px;
    }

    .product-specs {
        font-size: 13px;
        margin-bottom: 12px;
        padding-bottom: 14px;
        line-height: 1.5;
    }

    .product-bottom {
        padding-top: 14px;
    }

    .btn-small {
        padding: 11px 22px;
        font-size: 14px;
    }

    /* 服务 */
    .services-section {
        padding: 50px 16px;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        padding: 0 16px;
    }

    .service-card {
        padding: 24px 16px;
    }

    .service-icon {
        font-size: 36px;
        margin-bottom: 12px;
    }

    .service-title {
        font-size: 15px;
        margin-bottom: 10px;
    }

    .service-desc {
        font-size: 12px;
    }

    /* 关于 */
    .about-section {
        padding: 50px 16px;
    }

    .about-wrapper {
        padding: 0;
    }

    /* 企业优势优化 */
    .advantages-section {
        padding: 50px 16px;
    }

    .advantages-content {
        padding: 0;
    }

    .advantages-cards-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 0 16px;
    }

    .advantage-card-image {
        height: 320px;
    }

    .advantage-card-content {
        padding: 24px 20px;
    }

    .advantage-card-title {
        font-size: 20px;
    }

    .advantage-card-desc {
        font-size: 14px;
    }

    .advantage-card-link {
        font-size: 14px;
    }

    .advantage-block {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-bottom: 30px;
        padding: 24px 16px;
    }

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

    .advantage-desc {
        font-size: 13px;
        line-height: 1.7;
        margin-bottom: 10px;
    }

    .advantage-highlight {
        font-size: 13px;
        line-height: 1.7;
        padding: 10px 14px;
    }

    .advantage-text {
        padding: 5px;
    }

    .advantage-images-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .advantage-images-grid-full {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .advantage-small-image {
        height: auto;
    }

    .service-detail-item {
        padding: 14px;
    }

    .service-detail-title {
        font-size: 15px;
        margin-bottom: 6px;
    }

    .service-detail-desc {
        font-size: 12px;
        line-height: 1.6;
    }

    .service-cards-grid {
        grid-template-columns: 1fr;
        gap: 12px;
        margin-top: 20px;
        margin-bottom: 24px;
    }

    .service-card-item {
        padding: 16px;
    }

    .service-card-title {
        font-size: 15px;
        margin-bottom: 8px;
    }

    .service-card-desc {
        font-size: 12px;
    }

    .about-para {
        font-size: 13px;
        margin-bottom: 20px;
        line-height: 1.7;
    }

    .timeline {
        margin: 24px 0;
        padding-left: 24px;
    }

    .timeline::before {
        left: 6px;
        width: 2px;
    }

    .timeline-item {
        margin-bottom: 20px;
        padding-left: 12px;
    }

    .timeline-item::before {
        left: -20px;
        width: 10px;
        height: 10px;
        border-width: 2px;
    }

    .timeline-year {
        font-size: 15px;
        margin-bottom: 4px;
    }

    .timeline-content p {
        font-size: 12px;
        line-height: 1.6;
    }

    .about-features {
        gap: 12px;
        margin-top: 18px;
    }

    .feature-item {
        gap: 8px;
    }

    .feature-item span:last-child {
        font-size: 12px;
    }

    .placeholder-medium {
        height: 200px;
        font-size: 14px;
    }

    /* 联系 */
    .contact-section {
        padding: 50px 16px;
    }

    .contact-wrapper {
        gap: 30px;
        padding: 0;
    }

    .contact-info {
        gap: 20px;
    }

    .contact-item {
        gap: 12px;
        padding: 16px;
    }

    .icon-box {
        font-size: 28px;
        margin-top: 0;
    }

    .info-content h4 {
        font-size: 14px;
        margin-bottom: 4px;
    }

    .info-content p {
        font-size: 13px;
    }

    .contact-map {
        height: 280px;
        position: static;
        border-radius: 12px;
    }

    /* 页脚 */
    .footer {
        padding: 35px 16px 12px;
    }

    .footer-container {
        padding: 0;
    }

    .footer-content {
        gap: 20px;
    }

    .footer-title {
        font-size: 14px;
        margin-bottom: 10px;
    }

    .footer-desc {
        font-size: 11px;
    }

    .footer-heading {
        font-size: 12px;
        margin-bottom: 10px;
    }

    .footer-links a,
    .footer-contact li {
        font-size: 11px;
        margin-bottom: 6px;
    }

    .footer-bottom {
        padding-top: 12px;
        font-size: 11px;
    }
}