* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #008fd7;
    --primary-dark: #0E42D2;
    --primary-light: #E8F3FF;
    --accent: #FF7D00;
    --accent-dark: #E67000;
    --text-dark: #1D2129;
    --text-regular: #4E5969;
    --text-secondary: #86909C;
    --bg-gray: #F7F8FA;
    --border: #E5E6EB;
    --white: #FFFFFF;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(22,93,255,0.15);
    /* 痛点收益专属色 */
    --pain-color: #F53F3F;
    --benefit-color: #4E5969;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.pic {
	overflow: hidden;
}
.pic img {
	width: 100%;
	transition: .5s;
	-o-transition: .5s;
	-moz-transition: .5s;
	-webkit-transition: .5s;
	opacity: 1;
	filter: alpha(opacity=100);
}
a:hover .pic img,
li:hover .pic img,
.pic:hover img {
	transform: scale(1.1);
	-o-transform: scale(1.1);
	-ms-transform: scale(1.1);
	-moz-transform: scale(1.1);
	-webkit-transform: scale(1.1);
	transition: .5s;
	-o-transition: .5s;
	-moz-transition: .5s;
	-webkit-transition: .5s;
	filter: alpha(opacity=70);
}
/* 痛点收益样式 */
.pain-text {
    color: var(--pain-color);
    font-weight: 500;
    display: block;
    margin-bottom: 8px;
    line-height: 1.6;
}
.benefit-text {
    color: var(--benefit-color);
    font-weight: 500;
    display: block;
    line-height: 1.6;
}
/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}
.navbar.scrolled {
    box-shadow: var(--shadow-sm);
    border-bottom-color: var(--border);
}
.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
}
.logo img{height: 40px;}
.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), #4080FF);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    font-weight: 800;
}
.nav-menu {
    display: flex;
    align-items: center;
    gap: 36px;
}
.nav-menu a {
    font-size: 15px;
    color: var(--text-regular);
    transition: color 0.2s;
    position: relative;
}
.nav-menu a:hover { color: var(--primary); }
.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}
.nav-menu a:hover::after { width: 100%; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border-radius: 28px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s;
    border: none;
    gap: 6px;
}
.navbar .btn{border-radius: 23px;}
.btn-primary {
    background: var(--accent);
    color: white;
}
.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255,125,0,0.3);
}
.btn-outline {
    background: transparent;
    border: 1.5px solid var(--primary);
    color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: white;
}
.btn-large {
    padding: 14px 32px;
    font-size: 16px;
}
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}
.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: 0.3s;
}
/* Hero首屏 */
.hero {
    padding: 140px 0 100px;
    background-image: url(../img/bg2.jpg);
    background-size: cover;
    background-position: center center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(22,93,255,0.08) 0%, transparent 70%);
    border-radius: 50%;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,125,0,0.06) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
}
.hero-badge::before {
    content: '★';
}
.hero h1 {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 20px;
    color: var(--text-dark);
}
.hero h1 span {
    background: linear-gradient(135deg, var(--primary), #7B61FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-subtitle {
    font-size: 18px;
    color: var(--text-regular);
    margin-bottom: 20px;
    line-height: 1.8;
}
.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 30px;
}
.hero-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: white;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}
.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.hero-visual {
    position: relative;
}
.hero-card {
    background: white;
    border-radius: 16px;
    padding: 28px;
    box-shadow: var(--shadow-lg);
    position: relative;
}
.hero-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.hero-card-title::before {
    content: '';
    width: 4px;
    height: 18px;
    background: var(--primary);
    border-radius: 2px;
}
.warehouse-diagram {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}
.wh-block {
    padding: 16px 12px;
    background: var(--primary-light);
    border-radius: 8px;
    text-align: center;
    font-size: 12px;
    color: var(--primary);
    font-weight: 500;
    transition: 0.3s;
}
.wh-block:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}
.wh-block.accent {
    background: #FFF7E8;
    color: var(--accent);
}
.wh-block.accent:hover {
    background: var(--accent);
    color: white;
}
.data-float-card {
    position: absolute;
    background: rgba(255,255,255,0.65);
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    animation: float 3s ease-in-out infinite;
}
.data-float-card.card1 {
    top: -60px;
    left: -30px;
}
.data-float-card.card2 {
    bottom: -60px;
    right: -20px;
    animation-delay: 1s;
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
.data-float-num {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}
.data-float-label {
    font-size: 12px;
    color: var(--text-secondary);
}
/* 通用区块样式 */
.section {
    padding: 80px 0;
}
.section-gray {
    background: var(--bg-gray);
}
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}
.section-header {
    text-align: center;
    margin-bottom: 56px;
}
.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 16px;
}
.section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}
.section-desc {
    font-size: 16px;
    color: var(--text-regular);
    max-width: 640px;
    margin: 0 auto;
}
/* 数据实力区 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.stat-card {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 12px;
    transition: 0.3s;
    box-shadow: var(--shadow-sm);
}
.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.stat-card p{font-size: 14px; color: var(--text-regular); text-align: left;}
.stat-num {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--primary), #4080FF);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    font-weight: 700;
    margin: 0 auto 12px;
}
.stat-num span {
    font-size: 20px;
}
.stat-label {
    font-size: 15px;
    color: var(--text-dark);
    font-weight: bold;
    margin-bottom: 12px;
    display: block;
}
/* 四大优势 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}
.adv-card {
    padding: 20px;
    background: white;
    border-radius: 16px;
    transition: all 0.35s;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}
.adv-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), #7B61FF);
    transform: scaleX(0);
    transition: transform 0.35s;
}
.adv-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.adv-card:hover::before {
    transform: scaleX(1);
}
.adv-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--primary-light), #E8E3FF);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    margin-bottom: 20px;
}
.adv-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
}
.adv-card p {
    font-size: 14px;
    color: var(--text-regular);
    line-height: 1.7;
}
/* 产品体系 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}
.product-card {
    padding: 20px;
    background: white;
    border-radius: 12px;
    text-align: center;
    transition: 0.3s;
    border: 1px solid var(--border);
}
.product-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.product-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--primary), #4080FF);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    font-weight: 700;
}
.product-card:nth-child(2) .product-icon { background: linear-gradient(135deg, #7B61FF, #9F7AFF); }
.product-card:nth-child(3) .product-icon { background: linear-gradient(135deg, #00B42A, #23C343); }
.product-card:nth-child(4) .product-icon { background: linear-gradient(135deg, var(--accent), #FF9A2E); }
.product-card:nth-child(5) .product-icon { background: linear-gradient(135deg, #14C9C9, #3DDDDB); }
.product-card:nth-child(6) .product-icon { background: linear-gradient(135deg, #F53F3F, #FF6B6B); }
.product-card h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}
.product-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}
/* 六大智能策略 */
.strategies-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.strategy-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: white;
    border-radius: 12px;
    transition: 0.3s;
}
.strategy-item:hover {
    box-shadow: var(--shadow-md);
}
.strategy-num {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--primary), #4080FF);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    font-weight: 700;
}
.strategy-content h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}
.strategy-content p {
    font-size: 14px;
    color: var(--text-regular);
    line-height: 1.6;
}
/* 智慧仓储硬件 */
.hardware-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.hardware-image  img{
   width: 100%;
}
.hardware-visual {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding: 40px;
    width: 100%;
}
.hw-visual-item {
    aspect-ratio: 1;
    background: white;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: var(--shadow-sm);
    transition: 0.3s;
}
.hw-visual-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}
.hw-visual-icon {
    font-size: 32px;
}
.hw-visual-label {
    font-size: 12px;
    color: var(--text-regular);
    font-weight: 500;
}
.hardware-content h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
}
.hardware-content > p {
    font-size: 16px;
    color: var(--text-regular);
    margin-bottom: 32px;
    line-height: 1.8;
}
.hw-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.hw-item {
    display: flex;
    gap: 16px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    padding: 20px;
}

.hw-item:hover {
    box-shadow: var(--shadow-md);
}
.hw-item-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    background: var(--primary-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}
.hw-item-text h5 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}
.hw-item-text p {
    font-size: 14px;
    color: var(--text-regular);
    line-height: 1.6;
}
/* 全流程图解 */
.flow-section {
    
}
.flow-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}
.flow-tab {
    padding: 10px 24px;
    background: white;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    transition: 0.3s;
}
.flow-tab.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}
.flow-content {
    display: none;
}
.flow-content.active {
    display: block;
}
.flow-steps {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}
.flow-step {
    flex: 1;
    min-width: 140px;
    text-align: center;
    padding: 24px 16px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    position: relative;
    transition: 0.3s;
}
.flow-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.flow-step-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    background: linear-gradient(135deg, var(--primary-light), #E8E3FF);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}
.flow-step h5 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}
.flow-step p {
    font-size: 12px;
    color: var(--text-secondary);
}
.flow-arrow {
    color: var(--primary);
    font-size: 20px;
    flex-shrink: 0;
}
/* 行业客户 */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}
.industry-item {
    padding: 24px 16px;
    text-align: center;
    background: white;
    border-radius: 12px;
    transition: 0.3s;
    border: 1px solid var(--border);
}
.industry-item:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}
.industry-icon {
    font-size: 32px;
    margin-bottom: 8px;
}
.industry-item span {
    font-size: 14px;
    color: var(--text-regular);
    font-weight: 500;
}
.clients-title {
    text-align: center;
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}
.clients-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px;
    align-items: center;
}
.client-logo {
    padding: 12px 24px;
    background: white;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-regular);
    opacity: 0.7;
    transition: 0.3s;
    box-shadow: var(--shadow-sm);
}
.client-logo:hover {
    opacity: 1;
}
/* 服务保障 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.service-card {
    padding: 20px;
    background: white;
    border-radius: 16px;
    text-align: center;
    transition: 0.3s;
    border: 1px solid var(--border);
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.service-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary), #7B61FF);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
}
.service-icon i{font-size:35px;}
.service-card:nth-child(2) .service-icon { background: linear-gradient(135deg, #00B42A, #23C343); }
.service-card:nth-child(3) .service-icon { background: linear-gradient(135deg, var(--accent), #FF9A2E); }
.service-card h4 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}
.service-card p {
    font-size: 14px;
    color: var(--text-regular);
    line-height: 1.7;
}
/* 底部CTA咨询区 */
.cta-section {
    background: linear-gradient(135deg, #008fd7 0%, #4080FF 50%, #7B61FF 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
}
.cta-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}
.cta-content p {
    font-size: 16px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 32px;
    line-height: 1.8;
}
.cta-contact-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.cta-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
    font-size: 16px;
}
.cta-contact-icon {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}
.cta-form {
    background: white;
    padding: 36px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.cta-form h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 24px;
    text-align: center;
}
.form-group {
    margin-bottom: 16px;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: 0.3s;
    outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(22,93,255,0.1);
}
.form-group textarea {
    resize: vertical;
    min-height: 80px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.submit-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--accent), #FF9A2E);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}
.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,125,0,0.4);
}
.form-tip {
    text-align: center;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 12px;
}
/* 页脚 */
.footer {
    background: #1D2129;
    padding: 0 0 24px;
    color: rgba(255,255,255,0.65);
}
.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}
.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 32px;
    align-items: center;
}
.footer-brand .logo {
    color: white;
    margin-bottom: 16px;
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 16px;
}
.footer-col h5 {
    color: white;
    font-size: 16px;
    margin-bottom: 16px;
    font-weight: 600;
}
.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-col a {
    font-size: 14px;
    transition: 0.2s;
}
.footer-col a:hover {
    color: white;
}
.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    font-size: 13px;
}
/* 面包屑 */
.breadcrumb {
    padding: 20px 0;
    font-size: 14px;
    color: var(--text-regular);
}
.breadcrumb a {
    color: var(--primary);
}
.breadcrumb span {
    color: var(--text-secondary);
}
/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}
/* 回到顶部按钮 */
.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 80px;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(22,93,255,0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
    font-size: 20px;
}
.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(22,93,255,0.4);
}


/* 右侧浮动联系方式 */
.suspension {
            position: fixed;
            z-index: 55;
            right: 0;
            bottom: 182px;
            width: 70px
        }

        .suspension-box {
            position: relative;
            float: right
        }

        .suspension .a {
            display: block;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--primary);
            margin-bottom: 4px;
            cursor: pointer;
            outline: 0;
            text-align: center;
        }

        .suspension .a.active,
        .suspension .a:hover {
            background: var(--accent)
        }

        .suspension .a .i {
            float: left;
            width: 44px;
            height: 44px;
            line-height: 44px;
            font-size: 28px;
            text-align: center;
            color: #FFF
        }

        .suspension .a-service .i {
            animation: blink .8s linear infinite
        }

        .suspension .a-top {
            width: 44px;
            height: 44px;
            line-height: 44px;
            font-size: 28px;
            text-align: center;
            color: #FFF;
            background: var(--primary);
            display: none
        }

        .suspension .a-top:hover {
            background: var(--accent)
        }

        .suspension .d {
            display: none;
            width: 223px;
            background: #fff;
            position: absolute;
            right: 67px;
            min-height: 90px;
            border: 1px solid #e0e1e5;
            border-radius: 3px;
            box-shadow: 0 2px 5px 0 rgba(161, 163, 175, 0.11)
        }

        .suspension .d-service {
            top: 0
        }

        .suspension .d-service-phone {
            top: 0
        }

        .suspension .d-qrcode {
            top: 46px
        }

        .suspension .d .inner-box {
            padding: 8px 22px 12px;
            position: relative
        }

        .suspension .d .inner-box:after,
        .suspension .d .inner-box:before {
            border: solid transparent;
            content: ' ';
            height: 0;
            left: 100%;
            position: absolute;
            width: 0
        }

        .suspension .d .inner-box:after {
            border-width: 10px;
            border-left-color: #fff;
            top: 20px
        }

        .suspension .d .inner-box:before {
            border-width: 12px;
            border-left-color: #e0e1e5;
            top: 18px
        }

        .suspension .d-service-item {
            padding: 14px 0
        }

        .suspension .d-service .d-service-item {
            border-bottom: 0
        }

        .suspension .d-service-item .circle {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            overflow: hidden;
            background: #f1f1f3;
            display: block;
            float: left
        }

        .suspension .d-service-item .i-qq {
            width: 44px;
            height: 44px;
            font-size: 30px;
            color: var(--accent);
            text-align: center;
            display: block
        }

        .suspension .d-service-item .i-tel {
            width: 44px;
            height: 44px;
            font-size: 30px;
            color: var(--accent);
            text-align: center;
            display: block
        }

        .suspension .d-service-item h3 {
            float: left;
            width: 112px;
            line-height: 44px;
            font-size: 15px;
            margin-left: 12px;
            margin-top: 0
        }

        .suspension .d-service-item .text {
            float: left;
            width: 112px;
            line-height: 22px;
            font-size: 15px;
            margin-left: 12px
        }

        .suspension .d-service-item .text .number {
            font-size: 18px;
            font-weight: bold;
            color: var(--accent)
        }

        .suspension .d-qrcode {
            text-align: center
        }

        .suspension .d-qrcode .inner-box {
            padding: 20px 0
        }

        .suspension .d-qrcode .inner-box img {
            max-width: 80%
        }

        .suspension .d-qrcode p {
            font-size: 16px;
            color: #93959c
        }
        .suspension-box i{font-size: 22px; color:#FFF;line-height: 44px;}
        .suspension-box i.fa-wechat{font-size: 18px;}


        .screenshot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            }
            .screenshot-card {
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            }
            .screenshot-card:hover {
            /* transform: translateY(-6px); */
            box-shadow: var(--shadow-md);
            }
            .screenshot-card img {
            width: 100%;
            display: block;
            }
            .screenshot-card p {
            padding: 12px;
            text-align: center;
            font-size: 14px;
            color: var(--gray-600);
            /* background: var(--gray-50); */
            }


/*系统界面*/
.system-showcase{background: linear-gradient(180deg, var(--bg-gray) 0%, white 100%);   }
         

/* 响应式 */
@media (max-width: 1024px) {
    .hero h1 { font-size: 38px; }
    .stats-grid { grid-template-columns: repeat(3, 1fr); }
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .strategies-grid { grid-template-columns: repeat(2, 1fr); }
    .industries-grid { grid-template-columns: repeat(4, 1fr); }
    .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .hidden-xs{display: none;}
    .nav-container,.hero-container,.container,.cta-container{padding-left: 15px; padding-right: 15px;}
    .logo img{height: 35px;}
    .nav-menu { display: none; }
    .mobile-menu-btn { display: flex; }
    .btn-large {padding: 8px 20px;}
    .navbar .btn{padding:5px 15px;}
    .hero { padding: 100px 0 15px; }
    .hero-container { grid-template-columns: 1fr; gap: 15px; }
    .hero h1 { font-size: 28px; }
    .hero-subtitle { font-size: 16px; }
    .hero-badge,.hero h1,.hero-subtitle,.hero-features{margin-bottom: 15px;}
    .hero-card{padding: 15px;}
    .section { padding: 15px 0; }
    .stats-grid {        grid-template-columns: repeat(1, 1fr);gap: 15px;}
    .section-header{margin-bottom: 15px;}
    .adv-card{padding: 15px;}
    .section-title { font-size: 23px; }
    .advantages-grid { grid-template-columns:repeat(1, 1fr); gap:15px; }
    .products-grid { grid-template-columns: repeat(2, 1fr); gap:15px; }
    .product-card,.flow-step{padding: 15px;}
    .strategy-item {
        gap: 15px;
        padding: 15px;
        box-shadow: var(--shadow-md);
    }
    .strategies-grid { grid-template-columns: 1fr;gap:15px; }
    .hardware-wrap { grid-template-columns: 1fr; gap: 15px; }
    .hardware-content h3 {
        font-size: 23px;
        margin-bottom: 15px;
    }
    .industries-grid { grid-template-columns: repeat(3, 1fr); gap: 15px;}
    .industry-item{padding: 10px;}
    .services-grid { grid-template-columns: 1fr;gap:15px; }
    .service-card{padding: 15px;}
    .cta-section{padding: 15px 0;}
    .cta-container { grid-template-columns: 1fr; gap: 15px; }
    .cta-content h2 { font-size: 25px; }
    .cta-form{padding: 15px;}
    .flow-arrow { display: none; }
    .flow-step { width: 100%; }
    .form-row { grid-template-columns: 1fr; }
    .data-float-card { display: none; }
    .back-to-top{right: 15px;}
    .breadcrumb{text-align: center;}
    .hw-list ,.screenshot-grid{grid-template-columns: repeat(1, 1fr);gap: 15px;}
}