:root {
    --tiffany: #0ABAB5;
    --tiffany-light: #5CD3CF;
    --tiffany-dark: #089A96;
    --coral: #FF6B6B;
    --coral-light: #FF8E8E;
    --lavender: #B8A9C9;
    --mint: #A8E6CF;
    --peach: #FFDAB9;
    --sky: #87CEEB;
    --bg-light: #FAFBFC;
    --bg-white: #FFFFFF;
    --bg-soft: #F5F7FA;
    --bg-card: #FFFFFF;
    --text-dark: #2D3748;
    --text-medium: #4A5568;
    --text-light: #718096;
    --text-muted: #A0AEC0;
    --border-light: #E2E8F0;
    --border-soft: #EDF2F7;
    --success: #48BB78;
    --warning: #ECC94B;
    --danger: #F56565;
    --gradient-tiffany: linear-gradient(135deg, var(--tiffany) 0%, var(--tiffany-light) 100%);
    --gradient-soft: linear-gradient(135deg, var(--tiffany) 0%, var(--lavender) 50%, var(--coral-light) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(10, 186, 181, 0.08) 0%, rgba(184, 169, 201, 0.05) 50%, rgba(255, 107, 107, 0.05) 100%);
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.06);
    --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 12px 40px rgba(10, 186, 181, 0.15);
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.7;
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: var(--tiffany);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--tiffany-dark);
}

.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-soft);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
}

.logo i {
    color: var(--tiffany);
    font-size: 1.6rem;
}

.logo span {
    background: var(--gradient-tiffany);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav a {
    color: var(--text-medium);
    font-weight: 500;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.nav a:hover {
    color: var(--tiffany);
    background: rgba(10, 186, 181, 0.08);
}

.nav a.active {
    color: var(--tiffany);
    background: rgba(10, 186, 181, 0.12);
}

.hero {
    padding: 100px 0 120px;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(10, 186, 181, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(184, 169, 201, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(10, 186, 181, 0.15) 0%, rgba(184, 169, 201, 0.15) 100%);
    border: 1px solid rgba(10, 186, 181, 0.3);
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--tiffany-dark);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-badge i {
    color: var(--tiffany);
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-dark);
    letter-spacing: -1px;
}

.hero h1 .highlight {
    background: var(--gradient-soft);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-medium);
    max-width: 700px;
    margin: 0 auto 45px;
    line-height: 1.8;
}

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

.hero-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
    background: var(--bg-white);
    padding: 12px 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
}

.hero-feature i {
    font-size: 1.1rem;
    color: var(--tiffany);
}

section {
    padding: 90px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-header p {
    color: var(--text-medium);
    font-size: 1.1rem;
    line-height: 1.7;
}

.intro-section {
    background: var(--bg-white);
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 60px;
    align-items: start;
}

.intro-content h2 {
    font-size: 2rem;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.intro-content p {
    margin-bottom: 18px;
    color: var(--text-medium);
    line-height: 1.8;
}

.check-list {
    list-style: none;
    margin-top: 28px;
}

.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 16px;
    color: var(--text-medium);
}

.check-list i {
    color: var(--tiffany);
    margin-top: 4px;
    flex-shrink: 0;
}

.info-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 35px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
}

.info-card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-tiffany);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.info-card-icon i {
    color: white;
    font-size: 1.5rem;
}

.info-card h3 {
    font-size: 1.25rem;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.info-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.info-card p strong {
    color: var(--tiffany);
}

.how-section {
    background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg-white) 100%);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.step-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    text-align: center;
}

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

.step-number {
    width: 56px;
    height: 56px;
    background: var(--gradient-tiffany);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0 auto 24px;
}

.step-card h3 {
    font-size: 1.2rem;
    margin-bottom: 14px;
    color: var(--text-dark);
}

.step-card p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

.comparison-section {
    background: var(--bg-white);
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin: 0 -24px;
    padding: 0 24px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.comparison-table th,
.comparison-table td {
    padding: 20px 24px;
    text-align: left;
    border-bottom: 1px solid var(--border-soft);
    font-size: 0.95rem;
}

.comparison-table th {
    background: var(--gradient-tiffany);
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.comparison-table td {
    color: var(--text-medium);
}

.comparison-table tr:hover td {
    background: rgba(10, 186, 181, 0.03);
}

.comparison-table .text-success {
    color: var(--success);
}

.comparison-table .text-warning {
    color: var(--warning);
}

.comparison-table .text-danger {
    color: var(--danger);
}

.comparison-note {
    text-align: center;
    margin-top: 35px;
    color: var(--text-light);
}

.features-section {
    background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-soft) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--tiffany);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(10, 186, 181, 0.15) 0%, rgba(184, 169, 201, 0.15) 100%);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon i {
    color: var(--tiffany);
    font-size: 1.6rem;
}

.feature-icon.coral {
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.15) 0%, rgba(255, 142, 142, 0.1) 100%);
}

.feature-icon.coral i {
    color: var(--coral);
}

.feature-icon.lavender {
    background: linear-gradient(135deg, rgba(184, 169, 201, 0.2) 0%, rgba(184, 169, 201, 0.1) 100%);
}

.feature-icon.lavender i {
    color: var(--lavender);
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 14px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

.faq-section {
    background: var(--bg-soft);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.faq-item {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 28px 32px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--tiffany);
    box-shadow: var(--shadow-hover);
}

.faq-item h3 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 14px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.faq-item h3::before {
    content: '';
    width: 24px;
    height: 24px;
    background: var(--gradient-tiffany);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 2px;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.95rem;
    padding-left: 36px;
}

.faq-more {
    text-align: center;
    margin-top: 45px;
}

.cta-section {
    background: var(--gradient-hero);
    text-align: center;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(10, 186, 181, 0.12) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 18px;
    color: var(--text-dark);
}

.cta-section h2 .highlight {
    background: var(--gradient-tiffany);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-section p {
    font-size: 1.15rem;
    color: var(--text-medium);
    margin-bottom: 35px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.cta-features span {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--text-dark);
    background: var(--bg-white);
    padding: 12px 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
}

.cta-features span i {
    color: var(--tiffany);
}

.footer {
    background: var(--text-dark);
    color: var(--text-muted);
    padding: 70px 0 35px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
}

.footer-logo i {
    color: var(--tiffany);
}

.footer-logo span {
    background: var(--gradient-tiffany);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    font-size: 0.95rem;
}

.footer-nav h4,
.footer-topics h4 {
    color: white;
    font-size: 0.95rem;
    margin-bottom: 22px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-nav ul,
.footer-topics ul {
    list-style: none;
}

.footer-nav li,
.footer-topics li {
    margin-bottom: 14px;
}

.footer-nav a,
.footer-topics a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.footer-nav a:hover,
.footer-topics a:hover {
    color: var(--tiffany);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

.page-hero {
    background: var(--gradient-hero);
    padding: 70px 0 90px;
    position: relative;
}

.breadcrumb {
    margin-bottom: 24px;
}

.breadcrumb ol {
    display: flex;
    list-style: none;
    gap: 12px;
    font-size: 0.9rem;
}

.breadcrumb li:not(:last-child)::after {
    content: '/';
    margin-left: 12px;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--text-light);
}

.breadcrumb a:hover {
    color: var(--tiffany);
}

.breadcrumb span[aria-current] {
    color: var(--tiffany);
}

.page-hero h1 {
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 18px;
    color: var(--text-dark);
    letter-spacing: -0.5px;
}

.page-subtitle {
    font-size: 1.15rem;
    color: var(--text-medium);
    max-width: 700px;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 50px;
    padding: 70px 0;
}

.main-content {
    min-width: 0;
}

.content-section {
    margin-bottom: 55px;
}

.content-section h2 {
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 22px;
}

.content-section p {
    color: var(--text-medium);
    margin-bottom: 18px;
    line-height: 1.8;
}

.sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 28px;
    margin-bottom: 24px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-soft);
}

.sidebar-card h3 {
    font-size: 1.05rem;
    color: var(--text-dark);
    margin-bottom: 18px;
}

.sidebar-card.highlight {
    background: linear-gradient(135deg, rgba(10, 186, 181, 0.1) 0%, rgba(184, 169, 201, 0.08) 100%);
    border-color: var(--tiffany);
}

.sidebar-card.highlight h3 {
    color: var(--tiffany-dark);
}

.sidebar-card.highlight p {
    color: var(--text-medium);
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.facts-list {
    list-style: none;
}

.facts-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-soft);
    font-size: 0.9rem;
    color: var(--text-light);
}

.facts-list li:last-child {
    border-bottom: none;
}

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

.related-links li {
    margin-bottom: 12px;
}

.related-links a {
    color: var(--tiffany);
    font-size: 0.9rem;
}

.styled-list {
    margin: 22px 0;
    padding-left: 22px;
}

.styled-list li {
    margin-bottom: 12px;
    color: var(--text-medium);
}

.highlight-box {
    background: linear-gradient(135deg, rgba(10, 186, 181, 0.08) 0%, rgba(184, 169, 201, 0.06) 100%);
    border: 1px solid rgba(10, 186, 181, 0.25);
    border-radius: var(--radius);
    padding: 28px 32px;
    margin: 32px 0;
    display: flex;
    gap: 22px;
}

.highlight-icon {
    width: 54px;
    height: 54px;
    background: var(--gradient-tiffany);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.highlight-icon i {
    color: white;
    font-size: 1.3rem;
}

.highlight-content h3 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.highlight-content p {
    color: var(--text-light);
    margin: 0;
}

.process-timeline {
    margin-top: 35px;
}

.process-step {
    display: flex;
    gap: 28px;
    margin-bottom: 45px;
}

.step-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-marker .number {
    width: 48px;
    height: 48px;
    background: var(--gradient-tiffany);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.2rem;
}

.step-line {
    width: 2px;
    flex: 1;
    background: linear-gradient(180deg, var(--tiffany) 0%, var(--border-light) 100%);
    margin-top: 12px;
}

.step-content {
    flex: 1;
    padding-top: 8px;
}

.step-content h3 {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.step-content p {
    color: var(--text-light);
    line-height: 1.7;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-tiffany);
    color: white;
    box-shadow: 0 4px 15px rgba(10, 186, 181, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(10, 186, 181, 0.4);
    color: white;
}

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

.btn-outline:hover {
    background: var(--tiffany);
    color: white;
}

@media (max-width: 1024px) {
    .intro-grid {
        grid-template-columns: 1fr;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: static;
    }
    
    .features-grid,
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .features-grid,
    .steps-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    
    .nav ul {
        display: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .highlight-box {
        flex-direction: column;
    }
    
    .process-step {
        flex-direction: column;
        gap: 16px;
    }
    
    .step-marker {
        flex-direction: row;
        gap: 16px;
    }
    
    .step-line {
        width: 100%;
        height: 2px;
        margin-top: 0;
    }
}