/* * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
} */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #475569;
    --accent: #0ea5e9;
    --light: #f8fafc;
    --dark: #0f172a;
    --success: #10b981;
    --warning: #f59e0b;
}

/* body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: #334155;
    background-color: #f1f5f9;
    overflow-x: hidden;
} */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部导航 */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.logo i {
    margin-right: 10px;
    color: var(--accent);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--secondary);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

.btn {
    display: inline-block;
    padding: 10px 25px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    cursor: pointer;
}

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

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

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    color: white;
    /* padding: 160px 0; */
    padding-top: 160px;
    padding-bottom: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><polygon points="0,0 100,0 100,100" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: 100% 100%;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-image {
    position: absolute;
    right: -50px;
    top: 50%;
    transform: translateY(-50%);
    width: 45%;
    max-width: 500px;
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, #3b82f6, #8b5cf6);
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

/* 章节样式 */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.2rem;
    color: var(--dark);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--accent);
    border-radius: 2px;
}

.section-header p {
    color: var(--secondary);
    max-width: 700px;
    margin: 20px auto 0;
}

/* 使用场景 */
.scenarios {
    background-color: white;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.scenario-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
    border-top: 4px solid var(--accent);
}

.scenario-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.scenario-icon {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.scenario-card h3 {
    margin-bottom: 15px;
    color: var(--dark);
}

/* 核心能力 */
.capabilities {
    background-color: #f8fafc;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.capability-item {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.capability-item h3 {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    color: var(--primary);
}

.capability-item i {
    margin-right: 10px;
    color: var(--accent);
}

/* 技术支撑 */
.tech-stack {
    background-color: white;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    text-align: center;
}

.tech-item {
    padding: 25px 15px;
    background: #f1f5f9;
    border-radius: 8px;
    transition: all 0.3s;
}

.tech-item:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-5px);
}

.tech-item:hover h3 {
    color: white;
}

.tech-item h3 {
    color: var(--primary);
    margin: 15px 0 10px;
}

/* 行业痛点 */
.pain-points {
    background: linear-gradient(to right, #1e40af, #3b82f6);
    color: white;
}

.pain-points .section-header h2 {
    color: white;
}

.pain-points .section-header p {
    color: rgba(255, 255, 255, 0.8);
}

.pain-points-list {
    max-width: 800px;
    margin: 0 auto;
}

.pain-point {
    display: flex;
    align-items: flex-start;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    margin-bottom: 20px;
}

.pain-point:last-child {
    margin-bottom: 0;
}

.pain-point i {
    font-size: 1.5rem;
    margin-right: 15px;
    color: var(--warning);
}

/* 产品组合 */
.products {
    background-color: #f8fafc;
}

.product-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.product-header {
    background: var(--primary);
    color: white;
    padding: 20px;
    text-align: center;
}

.product-body {
    padding: 30px;
}

.product-features {
    list-style: none;
    margin: 20px 0;
}

.product-features li {
    padding: 8px 0;
    display: flex;
    align-items: flex-start;
}

.product-features li::before {
    content: "✓";
    color: var(--success);
    font-weight: bold;
    margin-right: 10px;
}

/* 页脚 */
footer {
    background: var(--dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--accent);
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #334155;
    color: #94a3b8;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero {
        padding: 60px 0;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-image {
        position: relative;
        right: auto;
        top: auto;
        transform: none;
        width: 100%;
        max-width: 100%;
        margin-top: 40px;
    }

    section {
        padding: 60px 0;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }
}