* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
:root {
    --primary: #1a6fa3;
    --secondary: #0c4d6e;
    --accent: #ff9900;
    --light: #f0f8ff;
    --dark: #2c3e50;
    --gray: #6c757d;
    --success: #28a745;
    --danger: #dc3545;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --transition: all 0.3s ease;
}
body {
    background-color: #f9f9f9;
    color: #333;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.site-header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.my-logo a {
    font-size: 2.2rem;
    font-weight: 900;
    color: white;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.my-logo i {
    color: var(--accent);
}
.nav-desktop ul {
    display: flex;
    list-style: none;
    gap: 1.8rem;
}
.nav-desktop a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 0.5rem 0.8rem;
    border-radius: var(--radius);
    transition: var(--transition);
}
.nav-desktop a:hover, .nav-desktop a.active {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--accent);
}
.hamburger {
    display: none;
    font-size: 1.8rem;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
}
.nav-mobile {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--secondary);
    padding: 1rem;
    box-shadow: var(--shadow);
}
.nav-mobile.active {
    display: block;
}
.nav-mobile ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.nav-mobile a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    display: block;
    padding: 0.8rem;
    border-radius: var(--radius);
    transition: var(--transition);
}
.nav-mobile a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}
.breadcrumb {
    padding: 1rem 0;
    background-color: var(--light);
    border-bottom: 1px solid #ddd;
}
.breadcrumb ul {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.breadcrumb li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.breadcrumb a {
    color: var(--primary);
    text-decoration: none;
}
.breadcrumb a:hover {
    text-decoration: underline;
}
.breadcrumb i {
    font-size: 0.8rem;
    color: var(--gray);
}
.main-content {
    flex: 1;
    padding: 2rem 0;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2.5rem;
}
@media (max-width: 992px) {
    .main-content {
        grid-template-columns: 1fr;
    }
}
article {
    background-color: white;
    padding: 2.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
h1 {
    color: var(--secondary);
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    border-left: 5px solid var(--accent);
    padding-left: 1rem;
}
h2 {
    color: var(--primary);
    font-size: 2rem;
    margin: 2.5rem 0 1.2rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #eee;
}
h3 {
    color: var(--dark);
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
}
h4 {
    color: var(--gray);
    font-size: 1.3rem;
    margin: 1.5rem 0 0.8rem;
}
p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    text-align: justify;
}
strong {
    color: var(--secondary);
    font-weight: 700;
}
.emoji {
    font-size: 1.2em;
    margin-right: 5px;
}
.highlight {
    background-color: #fffacd;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
}
blockquote {
    border-left: 4px solid var(--accent);
    padding: 1.5rem;
    margin: 2rem 0;
    background-color: var(--light);
    font-style: italic;
    color: var(--dark);
}
img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin: 1.5rem 0;
    display: block;
}
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}
.widget {
    background-color: white;
    padding: 1.8rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.widget h3 {
    margin-top: 0;
    color: var(--primary);
    font-size: 1.5rem;
}
.search-form {
    display: flex;
}
.search-form input {
    flex: 1;
    padding: 0.9rem 1rem;
    border: 2px solid #ddd;
    border-right: none;
    border-radius: var(--radius) 0 0 var(--radius);
    font-size: 1rem;
}
.search-form button {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 0 1.5rem;
    border-radius: 0 var(--radius) var(--radius) 0;
    cursor: pointer;
    transition: var(--transition);
}
.search-form button:hover {
    background-color: var(--secondary);
}
.rating-widget, .comment-widget {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.stars {
    display: flex;
    gap: 0.5rem;
    font-size: 1.8rem;
    color: #ffc107;
    cursor: pointer;
}
.stars i:hover {
    transform: scale(1.1);
}
.rating-form, .comment-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.rating-form input, .comment-form input, .comment-form textarea {
    padding: 0.9rem;
    border: 1px solid #ddd;
    border-radius: var(--radius);
    font-size: 1rem;
}
.comment-form textarea {
    min-height: 120px;
    resize: vertical;
}
.btn {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 0.9rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
}
.btn:hover {
    background-color: var(--secondary);
    transform: translateY(-3px);
}
.btn-accent {
    background-color: var(--accent);
}
.btn-accent:hover {
    background-color: #e68900;
}
.internal-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px dotted var(--primary);
    transition: var(--transition);
}
.internal-link:hover {
    color: var(--accent);
    border-bottom-style: solid;
}
.site-footer {
    background-color: var(--dark);
    color: white;
    padding: 3rem 0 1.5rem;
    margin-top: 3rem;
}
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}
.footer-section h3 {
    color: var(--accent);
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
}
.footer-links {
    list-style: none;
}
.footer-links li {
    margin-bottom: 0.8rem;
}
.footer-links a {
    color: #ddd;
    text-decoration: none;
    transition: var(--transition);
}
.footer-links a:hover {
    color: var(--accent);
    padding-left: 5px;
}
friend-link {
    display: block;
    margin: 1rem 0;
}
friend-link a {
    color: #4da8da;
    text-decoration: none;
    font-weight: 600;
}
friend-link a:hover {
    text-decoration: underline;
}
.copyright {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid #444;
    color: #aaa;
    font-size: 0.9rem;
}
.update-time {
    background-color: #e7f3ff;
    padding: 1rem;
    border-radius: var(--radius);
    margin: 2rem 0;
    font-size: 0.95rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
}
@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }
    .hamburger {
        display: block;
    }
    h1 {
        font-size: 2.2rem;
    }
    h2 {
        font-size: 1.8rem;
    }
    h3 {
        font-size: 1.4rem;
    }
    article {
        padding: 1.5rem;
    }
    .header-content, .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
}