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

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Header */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.hero .subtitle {
    font-size: 1.3rem;
    font-weight: 300;
    margin-bottom: 30px;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

.hero-icon {
    font-size: 4rem;
    margin-top: 20px;
    position: relative;
    z-index: 1;
}

/* Navigation */
.nav-bar {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-bar ul {
    list-style: none;
    display: flex;
    justify-content: center;
    padding: 20px 0;
}

.nav-bar li {
    margin: 0 30px;
}

.nav-bar a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 1.1rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-bar a:hover {
    color: #667eea;
}

.nav-bar a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #667eea;
    transition: width 0.3s ease;
}

.nav-bar a:hover::after {
    width: 100%;
}

/* Main Content */
main {
    padding: 60px 20px;
}

.intro {
    text-align: center;
    margin-bottom: 80px;
    padding: 40px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.intro h2 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 30px;
    font-weight: 600;
}

.intro p {
    font-size: 1.2rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto 40px auto;
    line-height: 1.8;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    color: white;
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: scale(1.05);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

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

/* Engagement Stats */
.engagement-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 30px;
    padding: 15px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.engagement-item {
    text-align: center;
    min-width: 80px;
}

.engagement-icon {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.engagement-count {
    font-size: 1.4rem;
    font-weight: 700;
    color: white;
    margin-bottom: 2px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.engagement-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.like-button {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 18px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    box-shadow: 0 2px 8px rgba(255, 107, 107, 0.2);
    min-width: 70px;
    justify-content: center;
}

.like-button:hover:not(.disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

.like-button:active {
    transform: translateY(0);
}

.like-button.liked {
    background: linear-gradient(135deg, #00b894 0%, #00a085 100%);
    box-shadow: 0 2px 8px rgba(0, 184, 148, 0.2);
}

.like-button.disabled {
    background: linear-gradient(135deg, #95a5a6 0%, #7f8c8d 100%);
    cursor: not-allowed;
    transform: none;
    box-shadow: 0 2px 8px rgba(149, 165, 166, 0.2);
}

.like-icon {
    font-size: 1rem;
}

/* Cancer Facts Section */
.cancer-facts {
    margin-bottom: 80px;
}

.cancer-facts h2 {
    font-size: 2.2rem;
    color: #333;
    margin-bottom: 40px;
    text-align: center;
    font-weight: 600;
}

.facts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.fact-card {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    padding: 25px;
    border-radius: 15px;
    transition: transform 0.3s ease;
    border-left: 5px solid #ff6b6b;
}

.fact-card:hover {
    transform: translateY(-5px);
}

.fact-card h3 {
    color: #2d3436;
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.fact-card p {
    color: #636e72;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Category Sections */
.category {
    margin-bottom: 80px;
}

.category h2 {
    font-size: 2.2rem;
    color: #333;
    margin-bottom: 40px;
    text-align: center;
    font-weight: 600;
}

/* Tips Grid */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.tip-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    border-left: 5px solid #667eea;
}

.tip-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.tip-number {
    position: absolute;
    top: -15px;
    right: 20px;
    background: #667eea;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9rem;
}

.tip-card h3 {
    font-size: 1.4rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.tip-card p {
    color: #666;
    line-height: 1.7;
    font-size: 1rem;
}

.tip-card .highlight {
    color: #d63384;
    font-weight: 500;
}

/* Practical Tips Styling */
.practical-tips {
    margin-top: 15px;
    padding: 15px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 8px;
    border-left: 3px solid #28a745;
    font-size: 0.9rem;
    line-height: 1.6;
}

.practical-tips strong {
    color: #28a745;
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.practical-tips br {
    margin-bottom: 5px;
}

.lifestyle-card .practical-tips {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    border-left-color: #ffc107;
}

.lifestyle-card .practical-tips strong {
    color: #856404;
}

.timing-card .practical-tips {
    background: rgba(255, 255, 255, 0.2);
    border-left-color: rgba(255, 255, 255, 0.8);
    color: rgba(255, 255, 255, 0.95);
}

.timing-card .practical-tips strong {
    color: white;
}

/* Special Supplements */
.special-supplements {
    margin-bottom: 80px;
}

.special-supplements h2 {
    font-size: 2.2rem;
    color: #333;
    margin-bottom: 40px;
    text-align: center;
    font-weight: 600;
}

.supplements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.supplement-card {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease;
}

.supplement-card:hover {
    transform: scale(1.05);
}

.supplement-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.supplement-card p {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Warning Section */
.warning-section {
    margin-bottom: 60px;
}

.warning-section h2 {
    font-size: 2rem;
    color: #dc3545;
    margin-bottom: 30px;
    text-align: center;
    font-weight: 600;
}

.warning-card {
    background: #fff3cd;
    border: 2px solid #ffeaa7;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
}

.warning-card h3 {
    color: #856404;
    font-size: 1.4rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.warning-card p {
    color: #856404;
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Lifestyle Factors Section */
.lifestyle-factors {
    margin-bottom: 80px;
}

.lifestyle-factors h2 {
    font-size: 2.2rem;
    color: #333;
    margin-bottom: 40px;
    text-align: center;
    font-weight: 600;
}

.lifestyle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.lifestyle-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    border-top: 4px solid #4ecdc4;
}

.lifestyle-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.lifestyle-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.lifestyle-card h3 {
    color: #333;
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.lifestyle-card p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Tea Section */
.tea-section {
    margin-bottom: 60px;
}

.tea-section h2 {
    font-size: 2.2rem;
    color: #333;
    margin-bottom: 40px;
    text-align: center;
    font-weight: 600;
}

.tea-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.tea-card {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
}

.tea-card:hover {
    transform: translateY(-3px);
}

.tea-card h3 {
    color: #2d3436;
    font-size: 1.2rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.tea-card p {
    color: #636e72;
    line-height: 1.6;
    font-size: 0.9rem;
}

/* Food Timing Section */
.food-timing {
    margin-bottom: 80px;
}

.food-timing h2 {
    font-size: 2.2rem;
    color: #333;
    margin-bottom: 40px;
    text-align: center;
    font-weight: 600;
}

.timing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.timing-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

.timing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, transparent 100%);
    pointer-events: none;
}

.timing-card:hover {
    transform: scale(1.05);
}

.timing-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.timing-card p {
    font-size: 0.95rem;
    opacity: 0.9;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* Footer */
footer {
    background: #2d3436;
    color: white;
    text-align: center;
    padding: 40px 0;
}

footer p {
    margin-bottom: 10px;
    opacity: 0.8;
}

.links-section {
    margin: 20px 0;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.links-section p {
    margin-bottom: 8px;
}

.links-section a {
    color: #4ecdc4;
    text-decoration: none;
    transition: color 0.3s ease;
}

.links-section a:hover {
    color: #45b7aa;
    text-decoration: underline;
}

.copyright {
    font-size: 0.9rem;
    opacity: 0.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero .subtitle {
        font-size: 1.1rem;
    }
    
    .nav-bar ul {
        flex-direction: column;
        align-items: center;
    }
    
    .nav-bar li {
        margin: 10px 0;
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
    }
    
    .supplements-grid {
        grid-template-columns: 1fr;
    }
    
    .tea-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .facts-grid {
        grid-template-columns: 1fr;
    }
    
    .lifestyle-grid {
        grid-template-columns: 1fr;
    }
    
    .timing-grid {
        grid-template-columns: 1fr;
    }
    
    .intro h2 {
        font-size: 2rem;
    }
    
    .category h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .tip-card {
        padding: 20px;
    }
    
    .supplement-card {
        padding: 20px;
    }
    
    .tea-card {
        padding: 20px;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tip-card, .supplement-card, .tea-card {
    animation: fadeInUp 0.6s ease-out;
}