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

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-tertiary: #1f2937;
    --accent-primary: #3b82f6;
    --accent-secondary: #06b6d4;
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --border-color: #374151;
    --card-bg: rgba(17, 24, 39, 0.8);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-primary);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

.header-top {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 0;
    font-size: 12px;
    color: var(--text-muted);
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.header-top-right {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.header-main {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-main .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

nav {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

nav a {
    font-size: 16px;
    color: var(--text-secondary);
    padding: 5px 0;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

nav a:hover,
nav a.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

.hero-slider {
    position: relative;
    /* width: 100%; */
    max-width: 1160px;
    margin: 0 auto;    
    height: 400px;
    overflow: hidden;
}

.hero-slider img {
    position: absolute;
    top: 5px;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slider img.active {
    opacity: 1;
}

.section {
    padding: 60px 0;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 30px;
    text-align: center;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.notice-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-lg);
}

.notice-box h3 {
    color: var(--accent-primary);
    margin-bottom: 15px;
    font-size: 20px;
}

.contact-info {
    display: flex;
    gap: 30px;
    margin-top: 20px;
    flex-wrap: wrap;
}

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

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 40px 0;
}

.service-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.service-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

.features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.feature {
    text-align: center;
    color: var(--text-secondary);
}

.feature strong {
    display: block;
    color: var(--accent-primary);
    font-size: 18px;
}

.page-content {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    margin: 40px 0;
    box-shadow: var(--shadow-lg);
}

.page-content h2 {
    color: var(--accent-primary);
    margin: 30px 0 15px;
    font-size: 24px;
}

.page-content h2:first-child {
    margin-top: 0;
}

.page-content h3 {
    color: var(--accent-secondary);
    margin: 25px 0 12px;
    font-size: 20px;
}

.page-content p {
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.page-content ul,
.page-content ol {
    margin-left: 25px;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.page-content li {
    margin-bottom: 8px;
}

.price-box {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
}

.template-box {
    background: var(--bg-tertiary);
    border-left: 4px solid var(--accent-primary);
    padding: 20px;
    margin: 15px 0;
    font-family: 'Courier New', monospace;
    color: var(--text-secondary);
}

.template-box h4 {
    color: var(--accent-primary);
    margin-bottom: 10px;
    font-family: inherit;
}

.flow-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.flow-step {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-weight: 700;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-md);
}

.avatar {
    width: 80px;
    height: 80px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
}

.contact-details h3 {
    color: var(--accent-primary);
    margin-bottom: 5px;
}

.contact-details p {
    color: var(--text-muted);
    margin-bottom: 10px;
}

.contact-links {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.contact-link {
    background: var(--accent-gradient);
    padding: 10px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    transition: transform 0.3s ease;
}

.contact-link:hover {
    transform: scale(1.05);
    color: white;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
}

.faq-question {
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 10px;
}

.faq-answer {
    color: var(--text-secondary);
}

.img-placeholder {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    margin: 20px 0;
    color: var(--text-muted);
}

footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 50px 0 30px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h4 {
    color: var(--accent-primary);
    margin-bottom: 15px;
    font-size: 18px;
}

.footer-section p,
.footer-section a {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 2;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 15px;
}

.friend-links a {
    color: var(--text-muted);
    font-size: 13px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 13px;
}

@media (max-width: 768px) {
    .header-top .container {
        flex-direction: column;
        text-align: center;
    }

    .header-top-right {
        justify-content: center;
    }

    .header-main .container {
        flex-direction: column;
    }

    nav {
        justify-content: center;
        gap: 15px;
    }

    .logo {
        font-size: 22px;
    }

    .hero-slider {
        height: 250px;
    }

    .section {
        padding: 40px 0;
    }

    .section-title {
        font-size: 24px;
    }

    .notice-box,
    .page-content {
        padding: 20px;
    }

    .contact-card {
        flex-direction: column;
        text-align: center;
    }

    .features {
        gap: 20px;
    }
}

@media (max-width: 480px) {
    nav {
        gap: 10px;
    }

    nav a {
        font-size: 14px;
    }

    .service-grid {
        grid-template-columns: 1fr;
    }
}