* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    padding-top: 60px;
    background-color: #f8f5eb;
    color: #333;
}

header {
    padding: 15px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #f8f5eb;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.logo img {
    height: 30px;
    transition: all 0.3s ease;
}

.nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 5px 10px;
    border-radius: 4px;
}

.nav-links a:hover {
    color: #f8a13f;
    background-color: rgba(248, 161, 63, 0.1);
}

.get-started-btn {
    background-color: #f8a13f;
    color: white;
    padding: 8px 20px;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.get-started-btn:hover {
    background-color: #e5912c;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(248, 161, 63, 0.3);
}

.hero {
    min-height: 100vh;
    padding: 100px 80px;
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero h1 {
    font-size: 52px;
    margin-bottom: 25px;
    font-weight: 600;
}

.hero p {
    font-size: 18px;
    margin-bottom: 35px;
    max-width: 600px;
    line-height: 1.6;
}

.highlight {
    background-color: #ff6b4a;
    color: white;
    padding: 0 5px;
}

.cta-button {
    width: 30%;
    height: 50px;
    background-color: #f8a13f;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    font-size: 14px;
    margin-top: 10px;
    display: inline-block;
}

.service-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin: 60px 0;
}

.card {
    height: 200px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    overflow: hidden;
}

.card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.about {
    background-color: #2d4da1;
    color: white;
    min-height: 100vh;
    padding: 80px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about h2 {
    margin-bottom: 50px;
    font-size: 36px;
}

.about-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin: 0 auto;
    max-width: 1400px;
}

.about-card {
    background-color: white;
    color: #333;
    border-radius: 8px;
    padding: 30px;
    text-align: left;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.about-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    margin-bottom: 25px;
    border-radius: 8px;
}

.about-card h3 {
    color: #2d4da1;
    margin-bottom: 15px;
    font-size: 18px;
}

.about-card p {
    font-size: 14px;
    line-height: 1.5;
    flex-grow: 1;
}

.how-it-works {
    min-height: 100vh;
    padding: 80px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.how-it-works h2 {
    margin-bottom: 40px;
    font-size: 36px;
}

.how-it-works p {
    margin-bottom: 50px;
    max-width: 900px;
    margin: 0 auto 50px;
    font-size: 16px;
    line-height: 1.6;
}

.process-table {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    border-collapse: collapse;
}

.process-table th,
.process-table td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid #ddd;
    font-size: 16px;
}

.process-table th {
    font-weight: 600;
}

.sprint-process {
    background-color: #1a1a1a;
    color: white;
    min-height: 100vh;
    padding: 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.sprint-process h2 {
    margin-bottom: 30px;
    font-size: 36px;
}

.sprint-process p {
    margin-bottom: 40px;
    max-width: 800px;
    font-size: 16px;
    line-height: 1.6;
}

.sprint-cards {
    display: flex;
    flex-direction: column;
    gap: 30px;
    max-width: 1000px;
    margin: 40px auto 0;
}

.sprint-card {
    background-color: #2a2a2a;
    border-radius: 5px;
    padding: 20px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.sprint-card-icon {
    background-color: #f8f5eb;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sprint-card-content h3 {
    margin-bottom: 10px;
    font-size: 18px;
}

.sprint-card-content p {
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 0;
}

.why-us {
    min-height: 100vh;
    padding: 80px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.why-us h2 {
    margin-bottom: 50px;
    font-size: 36px;
}

.benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto 60px;
}

.benefit {
    text-align: center;
}

.benefit-icon {
    background-color: #f8f5eb;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    border: 1px solid #ddd;
}

.benefit h3 {
    margin-bottom: 10px;
    font-size: 16px;
    font-weight: 600;
}

.benefit p {
    font-size: 14px;
    line-height: 1.5;
}

.compare {
    min-height: 100vh;
    padding: 80px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
}

.compare h2 {
    margin-bottom: 50px;
    font-size: 36px;
}

.comparison-table {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #ddd;
    font-size: 14px;
}

.comparison-table th {
    font-weight: 600;
    background-color: #f5f5f5;
}

.comparison-table td.highlight {
    background-color: #ff6b4a;
    color: white;
}

.pricing {
    min-height: 100vh;
    padding: 80px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.pricing h2 {
    margin-bottom: 50px;
    font-size: 36px;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 40px 30px;
    text-align: left;
}

.pricing-card h3 {
    margin-bottom: 10px;
    font-size: 20px;
    color: #2d4da1;
}

.pricing-card p {
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.5;
}

.pricing-card ul {
    list-style-type: none;
    margin-bottom: 20px;
}

.pricing-card ul li {
    margin-bottom: 10px;
    font-size: 14px;
    display: flex;
    align-items: flex-start;
}

.pricing-card ul li:before {
    content: "✓";
    color: #2a9d8f;
    margin-right: 10px;
}

.pricing-card .price {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-cta {
    background-color: #1a1a1a;
    color: white;
    padding: 80px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    min-height: 50vh;
}

.footer-cta-item {
    padding: 0 20px;
}

.footer-cta-item h3 {
    margin-bottom: 10px;
    font-size: 18px;
    color: #f8a13f;
}

.footer-cta-item p {
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 20px;
}

.faq {
    min-height: 100vh;
    padding: 80px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.faq h2 {
    margin-bottom: 40px;
    font-size: 36px;
}

.faq p {
    margin-bottom: 50px;
    max-width: 900px;
    margin: 0 auto 50px;
    font-size: 16px;
    line-height: 1.6;
}

.faq-items {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid #ddd;
    padding: 15px 0;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-item h3 {
    font-size: 16px;
    font-weight: 500;
}

footer {
    background-color: #1a1a1a;
    color: white;
    padding: 30px 50px;
    text-align: center;
    font-size: 14px;
}

footer img {
    height: 30px;
    margin-bottom: 20px;
}

.chat-bubble {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #2d4da1;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.check-icon {
    color: #2a9d8f;
    margin-right: 5px;
}

.x-icon {
    color: #ff6b4a;
    margin-right: 5px;
}

/* 当页面滚动时，导航栏的样式变化 */
header.scrolled {
    padding: 10px 50px;
    background-color: rgba(248, 245, 235, 0.95);
    backdrop-filter: blur(5px);
}