* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}
html {
    scroll-behavior: smooth;
}
body {
    background: linear-gradient(135deg, #0c1a2d 0%, #1a1a2e 100%);
    color: #e0e0e0;
    line-height: 1.8;
    font-size: 1.1rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}
a {
    color: #4dabf7;
    text-decoration: none;
    transition: color 0.3s ease, transform 0.2s ease;
}
a:hover {
    color: #74c0fc;
    transform: translateY(-1px);
}
img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}
.hidden {
    display: none !important;
}
.site-header {
    background: rgba(12, 26, 45, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #2a3a5a;
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.my-logo {
    font-size: 2.2rem;
    font-weight: 800;
    background: linear-gradient(90deg, #00dbde, #fc00ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -1px;
}
.my-logo span {
    color: #4dabf7;
}
.breadcrumb {
    margin: 1rem 0;
    font-size: 0.9rem;
    color: #aaa;
}
.breadcrumb a {
    color: #aaa;
}
.breadcrumb a:hover {
    color: #74c0fc;
}
.breadcrumb i {
    margin: 0 8px;
}
.main-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}
.nav-link {
    color: #ccd6f6;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #4dabf7;
    transition: width 0.3s ease;
}
.nav-link:hover::after {
    width: 100%;
}
.hamburger {
    display: none;
    background: none;
    border: none;
    color: #ccd6f6;
    font-size: 1.8rem;
    cursor: pointer;
}
.search-box {
    background: rgba(255,255,255,0.05);
    border-radius: 50px;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid #2a3a5a;
}
.search-box input {
    background: transparent;
    border: none;
    color: #fff;
    width: 200px;
    outline: none;
}
.search-box button {
    background: transparent;
    border: none;
    color: #4dabf7;
    cursor: pointer;
}
.main-content {
    flex: 1;
    padding: 2rem 0;
}
article {
    background: rgba(20, 30, 48, 0.7);
    border-radius: 16px;
    padding: 3rem;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    border: 1px solid #2a3a5a;
}
h1 {
    font-size: 3.2rem;
    background: linear-gradient(90deg, #00dbde, #fc00ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}
h2 {
    font-size: 2.4rem;
    color: #74c0fc;
    margin: 3rem 0 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #2a3a5a;
}
h3 {
    font-size: 1.8rem;
    color: #a5d8ff;
    margin: 2.5rem 0 1rem;
}
h4 {
    font-size: 1.4rem;
    color: #ccd6f6;
    margin: 2rem 0 0.8rem;
}
p {
    margin-bottom: 1.5rem;
    text-align: justify;
}
strong {
    color: #ffd700;
    font-weight: 700;
}
em {
    color: #98ff98;
    font-style: italic;
}
blockquote {
    border-left: 4px solid #4dabf7;
    padding-left: 1.5rem;
    margin: 2rem 0;
    color: #b0b8d0;
    font-style: italic;
}
.highlight-box {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    border-radius: 12px;
    padding: 2rem;
    margin: 2.5rem 0;
    border-left: 6px solid #ffd700;
}
.image-container {
    margin: 3rem auto;
    text-align: center;
    max-width: 900px;
}
.image-container img {
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
    border: 2px solid #4dabf7;
}
.image-caption {
    margin-top: 0.8rem;
    font-size: 0.95rem;
    color: #aaa;
    font-style: italic;
}
ul, ol {
    margin: 1.5rem 0 1.5rem 2rem;
}
li {
    margin-bottom: 0.8rem;
    padding-left: 0.5rem;
}
.rating-widget {
    background: rgba(30, 40, 60, 0.8);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 3rem 0;
    text-align: center;
}
.stars {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin: 1rem 0;
    font-size: 2rem;
}
.star {
    color: #555;
    cursor: pointer;
    transition: color 0.2s;
}
.star:hover,
.star.active {
    color: #ffd700;
}
.comment-form, .score-form {
    background: rgba(30, 40, 60, 0.8);
    border-radius: 12px;
    padding: 2rem;
    margin: 3rem 0;
}
.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #a5d8ff;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(255,255,255,0.08);
    border: 1px solid #2a3a5a;
    border-radius: 8px;
    color: #fff;
    font-size: 1rem;
    transition: border 0.3s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #4dabf7;
}
.btn {
    background: linear-gradient(90deg, #00dbde, #fc00ff);
    color: white;
    border: none;
    padding: 0.9rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    display: inline-block;
}
.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 15px rgba(0, 219, 222, 0.3);
}
.toc {
    background: rgba(30, 40, 60, 0.8);
    border-radius: 12px;
    padding: 2rem;
    margin: 3rem 0;
}
.toc ul {
    list-style: none;
    margin: 0;
}
.toc li {
    margin-bottom: 0.8rem;
    padding-left: 0;
}
.toc a {
    display: block;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    background: rgba(255,255,255,0.05);
    transition: background 0.3s;
}
.toc a:hover {
    background: rgba(77, 171, 247, 0.2);
}
.site-footer {
    background: #0a1520;
    border-top: 1px solid #2a3a5a;
    padding: 3rem 0 1.5rem;
    margin-top: auto;
}
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    margin-bottom: 2rem;
}
.friend-link {
    background: rgba(255,255,255,0.03);
    border-radius: 10px;
    padding: 1.5rem;
    border: 1px dashed #4dabf7;
}
.friend-link h4 {
    color: #ffd700;
    margin-top: 0;
}
.friend-link a {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.copyright {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid #2a3a5a;
    color: #888;
    font-size: 0.9rem;
}
@media (max-width: 992px) {
    h1 { font-size: 2.8rem; }
    h2 { font-size: 2.1rem; }
    article { padding: 2rem; }
}
@media (max-width: 768px) {
    .header-container {
        flex-wrap: wrap;
    }
    .main-nav ul {
        flex-direction: column;
        gap: 0;
        width: 100%;
        display: none;
        margin-top: 1rem;
        background: rgba(12, 26, 45, 0.98);
        border-radius: 12px;
        padding: 1rem;
    }
    .main-nav.active ul {
        display: flex;
    }
    .nav-link {
        padding: 0.8rem 1rem;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    .hamburger {
        display: block;
    }
    .search-box input {
        width: 150px;
    }
    h1 { font-size: 2.4rem; }
    h2 { font-size: 1.9rem; }
    h3 { font-size: 1.6rem; }
    article { padding: 1.5rem; }
}
@media (max-width: 480px) {
    .container { padding: 0 15px; }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.7rem; }
    .my-logo { font-size: 1.8rem; }
}