:root {
    --color-green: #355146;
    --color-purple: #D18EE2;
    --color-coral: #FF7759;
    --color-bg-light: #fafafa;
    --color-bg-main: #e8e6de;
    --color-text-dark: #333333;
    --color-text-light: #fafafa;
    --color-text-muted: #777777;
    --font-main: 'CohereText', 'CohereMono', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    --border-radius: 8px;
    --transition-speed: 0.3s;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: var(--color-bg-main);
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: var(--color-green);
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--color-coral);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-speed);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--color-coral);
    color: white;
}

.btn-primary:hover {
    background-color: #e86647;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 119, 89, 0.3);
}

.btn-secondary {
    background-color: var(--color-green);
    color: white;
}

.btn-secondary:hover {
    background-color: #2a4139;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(53, 81, 70, 0.3);
}

/* Header Styles */
header {
    background-color: var(--color-green);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.8rem;
    margin: 0;
    display: flex;
    align-items: center;
}

.tagline {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: -5px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    color: white;
    font-weight: 500;
    font-size: 1rem;
    position: relative;
}

nav ul li a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--color-coral);
    left: 0;
    bottom: -5px;
    transition: width var(--transition-speed);
}

nav ul li a:hover:after {
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-green) 0%, #2a4139 100%);
    color: white;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-content h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-image {
    flex: 1;
    position: relative;
    max-width: 500px;
}

.hero-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    border: 4px solid rgba(255, 255, 255, 0.1);
}

.accent-text {
    color: var(--color-coral);
    font-weight: 700;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
}

.section-title:after {
    content: '';
    position: absolute;
    width: 80px;
    height: 4px;
    background: var(--color-purple);
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

/* Features Section */
.features {
    background-color: var(--color-bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-speed);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background: var(--color-bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    font-size: 2rem;
    color: var(--color-purple);
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--color-green);
}

.feature-card p {
    color: var(--color-text-muted);
}

/* Supported Files Section */
.supported-files {
    background: linear-gradient(135deg, #f5f5f5 0%, var(--color-bg-main) 100%);
}

.file-types {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
    align-items: center;
    margin-top: 2rem;
}

.file-type {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    min-width: 120px;
    transition: all var(--transition-speed);
}

.file-type:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.file-type i {
    font-size: 2.5rem;
    color: var(--color-green);
}

.file-type span {
    font-weight: 600;
    color: var(--color-text-dark);
}

/* Workflow Section */
.workflow {
    background-color: var(--color-bg-light);
    position: relative;
}

.steps {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.steps:before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 1.5rem;
    width: 3px;
    background: var(--color-purple);
    opacity: 0.4;
}

.step {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    position: relative;
}

.step-number {
    width: 3rem;
    height: 3rem;
    background: var(--color-purple);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: 0 4px 10px rgba(209, 142, 226, 0.5);
    flex-shrink: 0;
    z-index: 2;
}

.step-content {
    flex: 1;
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.step-content h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--color-green);
}

.step-content p {
    color: var(--color-text-muted);
}

/* Showcase Section */
.showcase {
    background: linear-gradient(135deg, var(--color-green) 0%, #2a4139 100%);
    color: white;
}

.showcase .section-title:after {
    background: var(--color-coral);
}

.showcase-content {
    display: flex;
    gap: 3rem;
    align-items: center;
    flex-wrap: wrap;
}

.showcase-image {
    flex: 1;
    min-width: 300px;
}

.showcase-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    border: 4px solid rgba(255, 255, 255, 0.1);
}

.showcase-text {
    flex: 1;
    min-width: 300px;
}

.showcase-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.search-results {
    margin: 1.5rem 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 1.5rem;
}

.result-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.result-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.file-name {
    display: inline-block;
    background: var(--color-coral);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.result-text {
    font-style: italic;
    opacity: 0.9;
}

.note {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-top: 1rem;
}

/* Comparison Section */
.comparison {
    background-color: var(--color-bg-light);
}

.comparison-table {
    overflow-x: auto;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

th {
    background: var(--color-green);
    color: white;
}

th:first-child, td:first-child {
    text-align: left;
}

th:first-child {
    border-top-left-radius: var(--border-radius);
}

th:last-child {
    border-top-right-radius: var(--border-radius);
}

tr:last-child td {
    border-bottom: none;
}

.fa-check {
    color: var(--color-coral);
}

.fa-times {
    color: #ccc;
}

/* Use Cases Section */
.use-cases {
    background: linear-gradient(135deg, #f5f5f5 0%, var(--color-bg-main) 100%);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.case-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-speed);
    text-align: center;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.12);
}

.case-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background: var(--color-bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-icon i {
    font-size: 2rem;
    color: var(--color-green);
}

.case-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--color-green);
}

.case-card p {
    color: var(--color-text-muted);
}

/* FAQ Section */
.faq {
    background-color: var(--color-bg-light);
}

.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    background: white;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.accordion-header {
    padding: 1.5rem;
    background: white;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-green);
    position: relative;
    transition: background var(--transition-speed);
}

.accordion-header:hover {
    background: #f9f9f9;
}

.accordion-header:after {
    content: '+';
    position: absolute;
    right: 1.5rem;
    transition: transform var(--transition-speed);
}

.accordion-header.active:after {
    transform: rotate(45deg);
}

.accordion-content {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-speed), padding var(--transition-speed);
}

.accordion-content p {
    padding: 0 1.5rem 1.5rem;
    color: var(--color-text-muted);
}

/* Demo Section */
.demo {
    background: linear-gradient(135deg, var(--color-purple) 0%, #b06ec7 100%);
    color: white;
    text-align: center;
}

.demo .section-title:after {
    background: var(--color-coral);
}

.demo-cta {
    max-width: 700px;
    margin: 0 auto;
}

.demo-cta p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

.demo-note {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-top: 2rem;
}

/* Footer Styles */
footer {
    background: var(--color-green);
    color: white;
    padding: 4rem 0 1rem;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    flex: 1;
    min-width: 250px;
}

.footer-logo h2 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.footer-links, .footer-contact {
    flex: 1;
    min-width: 200px;
}

.footer-links h3, .footer-contact h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.footer-links h3:after, .footer-contact h3:after {
    content: '';
    position: absolute;
    width: 40px;
    height: 3px;
    background: var(--color-coral);
    bottom: -8px;
    left: 0;
    border-radius: 2px;
}

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

.footer-links ul li {
    margin-bottom: 0.75rem;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-links ul li a:hover {
    color: var(--color-coral);
}

.footer-contact p {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero .container {
        flex-direction: column;
    }
    
    .showcase-content {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav ul {
        margin-top: 1rem;
    }
    
    nav ul li {
        margin-left: 1rem;
        margin-right: 1rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content h2 {
        font-size: 1.2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .steps:before {
        left: 1.25rem;
    }
    
    .step {
        gap: 1rem;
    }
    
    .step-number {
        width: 2.5rem;
        height: 2.5rem;
    }
    
    table {
        font-size: 0.9rem;
    }
    
    th, td {
        padding: 0.75rem 0.5rem;
    }
}

@media (max-width: 576px) {
    .section-title {
        font-size: 1.8rem;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav ul li {
        margin: 0.5rem;
    }
    
    .feature-card, .case-card {
        padding: 1.5rem;
    }
    
    .file-type {
        min-width: 80px;
        padding: 1rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
}