body{
    padding: 0;
    margin: 0;
}
/* 主色调：蓝色 (var(--color-primary)) + 白色 (#ffffff) + 橙色 (#f97316) */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 标题样式 */
.cuxiao h1, .cuxiao h2, .cuxiao h3 {
    font-weight: 700;
    line-height: 1.2;
}

.cuxiao h1 {
    font-size: clamp(32px, 5vw, 52px);
    letter-spacing: -0.02em;
}

.cuxiao h2 {
    font-size: clamp(28px, 4vw, 40px);
    margin-bottom: 16px;
    color: #0f172a;
}

.section-subtitle {
    font-size: 18px;
    color: #475569;
    max-width: 700px;
    margin: 0 auto 48px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    text-align: center;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: #f97316;
    color: white;
    box-shadow: 0 8px 16px -4px rgba(249, 115, 22, 0.2);
}

.btn-primary:hover {
    background-color: #ea580c;
    transform: translateY(-4px);
    box-shadow: 0 16px 24px -6px rgba(249, 115, 22, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}


.section-subtitle {
    font-size: 18px;
    color: #475569;
    max-width: 700px;
    margin: 0 auto 48px;
}

/* Banner/Hero 区域 */
.hero {
    padding: 80px 0 100px;
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 70%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.03) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero h1 {
    margin-bottom: 24px;
    color: #0f172a;
}

.hero-highlight {
    color: var(--color-primary);
    border-bottom: 4px solid #f97316;
    display: inline-block;
}

.hero p {
    font-size: 18px;
    color: #475569;
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

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

.stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-primary);
}

.stat-label {
    color: #64748b;
    font-size: 14px;
}

.hero-image {
    background: #e2e8f0;
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 30px 40px -20px rgba(0, 0, 0, 0.2);
    text-align: center;
    background-image: url('/upload/20260302/abdede87ea78ed116b19a8ff897d0937.jpg');
    background-size: cover;
    background-position: center;
    min-height: 400px;
}

/* 产品分类板块 */
.section-categories {
    padding: 80px 0;
    background-color: white;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.category-card {
    background-color: #f8fafc;
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 6px -2px rgba(0, 0, 0, 0.02);
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 30px -8px rgba(37, 99, 235, 0.15);
    border-color: var(--color-primary);
    background-color: white;
}

.category-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-primary)10, #ffffff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
}

.category-card h3 {
    font-size: 22px;
    margin-bottom: 8px;
    color: #0f172a;
}

.category-card p {
    color: #64748b;
    font-size: 14px;
}

/* 核心优势板块 */
.section-benefits {
    padding: 80px 0;
    background-color: #f8fafc;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.benefit-card {
    background-color: white;
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 8px 20px -12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    border: 1px solid #f1f5f9;
    text-align: center;
}

.benefit-card:hover {
    transform: scale(1.02);
    border-color: var(--color-primary);
}

.benefit-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.benefit-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: #0f172a;
}

.benefit-card p {
    color: #475569;
}

.benefit-number {
    font-size: 40px;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 12px;
}

/* 使用场景板块 */
.section-scenarios {
    padding: 80px 0;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.scenario-item {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 20px -10px rgba(0, 0, 0, 0.08);
    transition: 0.3s;
}

.scenario-item:hover {
    box-shadow: 0 20px 30px -10px var(--color-primary)30;
}

.scenario-img {
    height: 180px;
    background: var(--color-primary)10;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    color: var(--color-primary);
}

.scenario-content {
    padding: 24px;
}

.scenario-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.scenario-content p {
    color: #475569;
}

/* 下单流程板块 */
.section-process {
    padding: 80px 0;
    background: linear-gradient(to bottom, #ffffff, #f0f9ff);
}

.process-steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-top: 50px;
}

.step {
    flex: 1 1 260px;
    text-align: center;
    position: relative;
}

.step-number {
    width: 70px;
    height: 70px;
    background-color: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 800;
    margin: 0 auto 24px;
    box-shadow: 0 12px 18px -8px var(--color-primary)80;
}

.step h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.step p {
    color: #475569;
}

/* CTA横幅 */
.cta-banner {
    padding: 60px 0 80px;
}

.cta-box {
    background: linear-gradient(135deg, var(--color-primary), #1e40af);
    border-radius: 40px;
    padding: 60px 40px;
    color: white;
    text-align: center;
    box-shadow: 0 30px 40px -20px var(--color-primary);
}

.cta-box h2 {
    color: white;
    font-size: clamp(28px, 5vw, 42px);
    margin-bottom: 16px;
}

.cta-box p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
}

.cta-box .btn-primary {
    background-color: white;
    color: var(--color-primary);
    box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.3);
}

.cta-box .btn-primary:hover {
    background-color: #f8fafc;
    color: #1e40af;
}

/* 底部 */
footer {
    background-color: #0f172a;
    color: #94a3b8;
    padding: 48px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 40px;
    margin-bottom: 48px;
}

.footer-col h4 {
    color: white;
    font-size: 18px;
    margin-bottom: 20px;
}

.footer-col a {
    display: block;
    color: #94a3b8;
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: #f97316;
}

.footer-copyright {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid #1e293b;
    font-size: 14px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-image {
        order: -1;
        min-height: 200px;
    }

    .hero-stats {
        justify-content: center;
    }

    .nav-links {
        display: none;
        /* 移动端简化，可用汉堡菜单但此处从简 */
    }

    .header-inner {
        justify-content: space-between;
    }

    .btn {
        width: 100%;
    }

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

@media (max-width: 480px) {
    .categories-grid {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }
}