* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0f1721;
            color: #e0e7ff;
            line-height: 1.7;
            max-width: 100%;
            overflow-x: hidden;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #74c0fc;
            text-shadow: 0 0 8px rgba(116, 192, 252, 0.5);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
        }
        h1, h2, h3, h4 {
            color: #ffffff;
            margin-top: 1.5em;
            margin-bottom: 0.7em;
            line-height: 1.3;
            font-weight: 700;
        }
        h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            border-bottom: 3px solid #339af0;
            padding-bottom: 0.3em;
            margin-top: 0.5em;
        }
        h2 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            color: #a5d8ff;
            border-left: 4px solid #339af0;
            padding-left: 15px;
        }
        h3 {
            font-size: clamp(1.4rem, 3vw, 1.9rem);
            color: #d0ebff;
        }
        h4 {
            font-size: clamp(1.1rem, 2.5vw, 1.5rem);
            color: #e7f5ff;
        }
        p {
            margin-bottom: 1.5em;
            text-align: justify;
            hyphens: auto;
        }
        strong {
            color: #ffd43b;
            font-weight: 700;
        }
        em {
            color: #b197fc;
            font-style: italic;
        }
        blockquote {
            border-left: 4px solid #ff6b6b;
            padding: 1em 1.5em;
            margin: 2em 0;
            background: rgba(255, 107, 107, 0.08);
            border-radius: 0 8px 8px 0;
            font-style: italic;
        }
        .container {
            width: 95%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a2332 0%, #0f141e 100%);
            padding: 1rem 0;
            border-bottom: 2px solid #339af0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ff6b6b, #339af0);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
            letter-spacing: 1px;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: #c5c7d0;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #339af0;
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #e0e7ff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100vh;
            background: #1a2332;
            padding: 4rem 2rem 2rem;
            transition: right 0.4s cubic-bezier(0.65, 0.05, 0.36, 1);
            z-index: 999;
            box-shadow: -5px 0 15px rgba(0, 0, 0, 0.5);
            overflow-y: auto;
        }
        .nav-mobile.active {
            right: 0;
        }
        .nav-mobile a {
            display: block;
            color: #c5c7d0;
            padding: 1rem 0;
            border-bottom: 1px solid #2d3748;
            font-size: 1.1rem;
        }
        .nav-mobile a:hover {
            color: #339af0;
            padding-left: 10px;
        }
        .close-menu {
            position: absolute;
            top: 1rem;
            right: 1.5rem;
            background: none;
            border: none;
            color: #ff6b6b;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 998;
        }
        .overlay.active {
            display: block;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .breadcrumb a {
            color: #94a3b8;
        }
        .breadcrumb a:hover {
            color: #74c0fc;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: rgba(30, 41, 59, 0.7);
            border-radius: 12px;
            padding: 2.5rem;
            border: 1px solid #334155;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #475569;
            color: #94a3b8;
            font-size: 0.95rem;
        }
        .update-time {
            color: #ffa94d;
            font-weight: 600;
        }
        .featured-image {
            margin: 2.5rem 0;
            text-align: center;
        }
        .featured-image figcaption {
            margin-top: 0.8rem;
            font-style: italic;
            color: #94a3b8;
            font-size: 0.95rem;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .strategy-card {
            background: rgba(15, 23, 42, 0.8);
            border: 1px solid #3b82f6;
            border-radius: 10px;
            padding: 1.5rem;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .strategy-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(59, 130, 246, 0.2);
        }
        .unit-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            background: rgba(30, 41, 59, 0.9);
        }
        .unit-table th, .unit-table td {
            border: 1px solid #475569;
            padding: 12px 15px;
            text-align: left;
        }
        .unit-table th {
            background-color: #1e40af;
            color: white;
            font-weight: 600;
        }
        .unit-table tr:nth-child(even) {
            background-color: rgba(71, 85, 105, 0.3);
        }
        .unit-table tr:hover {
            background-color: rgba(59, 130, 246, 0.15);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: rgba(30, 41, 59, 0.7);
            border-radius: 12px;
            padding: 1.8rem;
            border: 1px solid #334155;
        }
        .widget-title {
            font-size: 1.3rem;
            color: #a5d8ff;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #339af0;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-group label {
            font-weight: 600;
            color: #c5c7d0;
        }
        .form-control {
            padding: 0.8rem 1rem;
            border-radius: 8px;
            border: 1px solid #475569;
            background: rgba(15, 23, 42, 0.8);
            color: #e0e7ff;
            font-size: 1rem;
            transition: border 0.3s ease, box-shadow 0.3s ease;
        }
        .form-control:focus {
            outline: none;
            border-color: #339af0;
            box-shadow: 0 0 0 3px rgba(51, 154, 240, 0.2);
        }
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #475569;
            cursor: pointer;
        }
        .rating-stars .star {
            transition: color 0.2s ease;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #ffd43b;
        }
        .btn {
            padding: 0.9rem 1.8rem;
            background: linear-gradient(135deg, #339af0, #1c7ed6);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            align-self: flex-start;
            text-align: center;
        }
        .btn:hover {
            background: linear-gradient(135deg, #1c7ed6, #1971c2);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(28, 126, 214, 0.4);
        }
        .site-footer {
            background: #0a0f18;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
            border-top: 2px solid #339af0;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            color: #339af0;
            margin-bottom: 1rem;
        }
        friend-link {
            display: inline-block;
            background: rgba(30, 41, 59, 0.8);
            padding: 0.6rem 1.2rem;
            margin: 0.3rem;
            border-radius: 6px;
            border: 1px solid #475569;
            transition: all 0.3s ease;
        }
        friend-link:hover {
            background: rgba(51, 154, 240, 0.2);
            border-color: #339af0;
            transform: translateY(-2px);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        .highlight {
            background: linear-gradient(90deg, transparent 0%, rgba(255, 215, 0, 0.1) 50%, transparent 100%);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
        }
        .tag {
            display: inline-block;
            background: #1e40af;
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.85rem;
            margin: 0.2rem;
        }
        .divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, #339af0, transparent);
            margin: 2rem 0;
        }
        @media (max-width: 768px) {
            .article-content, .widget {
                padding: 1.5rem;
            }
            .header-content {
                padding: 0 10px;
            }
            .main-content {
                padding: 1rem 0;
                gap: 1.5rem;
            }
        }