* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-dark: #1a1a2e;
            --primary-accent: #0f4c75;
            --secondary-accent: #00b7c2;
            --highlight-gold: #ffd700;
            --text-light: #f1f1f1;
            --text-muted: #b0b0b0;
            --bg-card: #162447;
            --border-color: #2d4059;
            --success: #4CAF50;
            --warning: #ff9800;
        }
        body {
            background: linear-gradient(135deg, var(--primary-dark) 0%, #0c2461 100%);
            color: var(--text-light);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: var(--secondary-accent);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--highlight-gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .py-3 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
        .my-3 { margin-top: 1.5rem; margin-bottom: 1.5rem; }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .emoji { font-size: 1.2em; }
        .site-header {
            background-color: rgba(26, 26, 46, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(90deg, var(--secondary-accent), var(--highlight-gold));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
            letter-spacing: 1px;
        }
        .my-logo a {
            color: inherit;
        }
        .main-nav {
            display: flex;
            gap: 25px;
        }
        .main-nav a {
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
        }
        .main-nav a:hover {
            background-color: rgba(15, 76, 117, 0.3);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--text-light);
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: inherit;
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        .search-container {
            background: var(--bg-card);
            padding: 30px;
            border-radius: 12px;
            margin: 25px 0;
            box-shadow: 0 8px 25px rgba(0,0,0,0.4);
            border: 1px solid var(--border-color);
        }
        .search-form {
            display: flex;
            max-width: 700px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 20px;
            border: none;
            border-radius: 8px 0 0 8px;
            background: rgba(255,255,255,0.1);
            color: var(--text-light);
            font-size: 1rem;
        }
        .search-input:focus {
            outline: 2px solid var(--secondary-accent);
        }
        .search-btn {
            padding: 0 25px;
            background: var(--secondary-accent);
            color: white;
            border: none;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: var(--primary-accent);
        }
        .main-content {
            padding: 30px 0;
        }
        article {
            background: var(--bg-card);
            border-radius: 15px;
            padding: 40px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.5);
            border: 1px solid var(--border-color);
            margin-bottom: 40px;
        }
        .article-header {
            border-bottom: 2px solid var(--secondary-accent);
            padding-bottom: 25px;
            margin-bottom: 40px;
        }
        h1 {
            font-size: 3rem;
            margin-bottom: 15px;
            color: var(--highlight-gold);
            line-height: 1.2;
        }
        .meta-info {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 0.95rem;
            color: var(--text-muted);
        }
        .update-time {
            color: var(--warning);
        }
        .intro {
            font-size: 1.3rem;
            margin: 30px 0;
            padding: 20px;
            background: rgba(0, 183, 194, 0.1);
            border-left: 5px solid var(--secondary-accent);
            border-radius: 0 8px 8px 0;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--secondary-accent);
            margin: 50px 0 20px;
            padding-bottom: 10px;
            border-bottom: 1px dashed var(--border-color);
        }
        h3 {
            font-size: 1.7rem;
            color: var(--text-light);
            margin: 35px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: var(--text-muted);
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 22px;
            text-align: justify;
            hyphens: auto;
        }
        .highlight-box {
            background: linear-gradient(145deg, rgba(255,215,0,0.1) 0%, rgba(0,183,194,0.1) 100%);
            border: 1px solid rgba(255,215,0,0.3);
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
        }
        .tip {
            background: rgba(76, 175, 80, 0.1);
            border-left: 5px solid var(--success);
            padding: 15px 20px;
            margin: 25px 0;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-muted);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .content-link {
            color: var(--highlight-gold);
            border-bottom: 1px dotted var(--highlight-gold);
        }
        .interaction-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 50px 0;
        }
        @media (max-width: 768px) {
            .interaction-section {
                grid-template-columns: 1fr;
            }
        }
        .comment-box, .rating-box {
            background: rgba(22, 36, 71, 0.7);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }
        .rating-box {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        .stars {
            font-size: 2.5rem;
            color: #ccc;
            margin: 20px 0;
            cursor: pointer;
        }
        .stars .star {
            padding: 5px;
            transition: color 0.2s;
        }
        .stars .star:hover,
        .stars .star.active {
            color: var(--highlight-gold);
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            width: 100%;
        }
        textarea, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 15px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: rgba(255,255,255,0.08);
            color: var(--text-light);
            font-size: 1rem;
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            padding: 15px 30px;
            background: var(--secondary-accent);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
            align-self: flex-start;
        }
        .submit-btn:hover {
            background: var(--primary-accent);
        }
        .site-footer {
            background-color: rgba(13, 13, 26, 0.95);
            border-top: 2px solid var(--border-color);
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: var(--highlight-gold);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        friend-link {
            display: block;
            padding: 10px 15px;
            background: rgba(255,255,255,0.05);
            border-radius: 5px;
            margin-bottom: 10px;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: rgba(0, 183, 194, 0.2);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            article { padding: 30px; }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 10px;
                margin-top: 20px;
            }
            .main-nav.active {
                display: flex;
            }
            .interaction-section {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            .container { padding: 0 15px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            article { padding: 20px; }
            .intro { font-size: 1.1rem; }
        }