/* Website 64 - Sidebar Navigation Style */
:root {
    --primary-color: #27ae60;
    --secondary-color: #229954;
    --accent-color: #f39c12;
    --dark-color: #1a1a2e;
    --text-color: #34495e;
    --white: #ffffff;
    --light-bg: #f8f9fa;
    --shadow: 0 4px 20px rgba(39, 174, 96, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--light-bg);
    color: var(--text-color);
    line-height: 1.8;
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--dark-color);
    color: var(--white);
    padding: 30px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar-header {
    padding: 0 25px 30px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 20px;
}

.sidebar-logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-nav {
    padding: 0 15px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    border-radius: 10px;
    margin-bottom: 5px;
    transition: var(--transition);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: var(--primary-color);
    color: var(--white);
    transform: translateX(5px);
}

.sidebar-nav .icon {
    font-size: 1.2rem;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    min-height: 100vh;
}

/* Header */
.content-header {
    background: var(--white);
    padding: 20px 40px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.mobile-toggle {
    display: none;
    background: var(--primary-color);
    border: none;
    color: var(--white);
    padding: 12px 18px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1.2rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-color);
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Hero Section */
.hero {
    padding: 80px 40px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
}

.hero-content {
    max-width: 700px;
}

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

.hero h1 span {
    display: block;
    font-size: 1.8rem;
    opacity: 0.9;
    margin-top: 10px;
}

.hero p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 14px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

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

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

/* Section Styles */
section {
    padding: 80px 40px;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

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

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.section-title p {
    color: var(--text-color);
    margin-top: 20px;
}

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background: var(--white);
    border-radius: 20px;
    padding: 35px 30px;
    transition: var(--transition);
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    border-left: 4px solid var(--primary-color);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #e8f8f0 0%, #d4f0e0 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.card h3 {
    color: var(--dark-color);
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.card p {
    color: var(--text-color);
    font-size: 0.95rem;
}

/* Stats Section */
.stats-section {
    background: var(--dark-color);
    color: var(--white);
}

.stats-section .section-title h2 {
    color: var(--white);
}

.stats-section .section-title p {
    color: rgba(255,255,255,0.7);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    max-width: 1000px;
    margin: 0 auto;
}

.stat-card {
    background: rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 30px 25px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* Testimonials */
.testimonials-section {
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial {
    background: var(--light-bg);
    border-radius: 20px;
    padding: 30px;
    position: relative;
}

.testimonial::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 25px;
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.2;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial p {
    font-style: italic;
    color: var(--text-color);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 45px;
    height: 45px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
}

.author-info strong {
    color: var(--dark-color);
    display: block;
}

.author-info span {
    color: var(--primary-color);
    font-size: 0.85rem;
}

/* Contact Section */
.contact-section {
    background: linear-gradient(135deg, #e8f8f0 0%, #d4f0e0 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-card {
    background: var(--white);
    border-radius: 20px;
    padding: 35px 25px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.contact-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-size: 1.8rem;
    color: var(--white);
}

.contact-card h3 {
    color: var(--dark-color);
    margin-bottom: 10px;
}

.contact-card p {
    color: var(--primary-color);
    font-weight: 600;
}

/* Footer */
footer {
    background: var(--dark-color);
    color: rgba(255,255,255,0.7);
    padding: 40px;
    text-align: center;
}

footer p {
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Mobile Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 999;
}

/* Responsive */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .sidebar-overlay.active {
        display: block;
    }

    .main-content {
        margin-left: 0;
    }

    .mobile-toggle {
        display: block;
    }

    .hero, section {
        padding: 60px 20px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero h1 span {
        font-size: 1.4rem;
    }
}