:root {
            --primary: #0055FF; 
            --secondary: #FF5500; 
            --dark: #0A0A14;
            --light: #F5F7FA;
            --gray: #6C757D;
            --success: #28a745;
            --shadow: 0 8px 30px rgba(0, 85, 255, 0.08);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.75;
            color: var(--dark);
            background: var(--light);
            overflow-x: hidden;
        }
        .site-header {
            background: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 5%;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -1px;
        }
        .my-logo span {
            color: var(--secondary);
            font-style: italic;
        }
        .nav-main {
            display: flex;
            gap: 2.5rem;
        }
        .nav-main a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            position: relative;
        }
        .nav-main a:hover {
            color: var(--primary);
        }
        .nav-main a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            background: var(--secondary);
            bottom: -8px;
            left: 0;
            transition: var(--transition);
        }
        .nav-main a:hover:after {
            width: 100%;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--primary);
            cursor: pointer;
        }
        .breadcrumb {
            background: #f0f4ff;
            padding: 1rem 5%;
            font-size: 0.95rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-container {
            max-width: 800px;
            margin: 3rem auto;
            padding: 0 5%;
        }
        .search-box {
            display: flex;
            box-shadow: var(--shadow);
            border-radius: 50px;
            overflow: hidden;
            transition: var(--transition);
        }
        .search-box:focus-within {
            box-shadow: 0 12px 40px rgba(0, 85, 255, 0.15);
            transform: translateY(-3px);
        }
        .search-input {
            flex: 1;
            padding: 1.2rem 1.8rem;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 2.5rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-button:hover {
            background: #0044cc;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 5%;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3.5rem;
        }
        .main-article {
            background: white;
            border-radius: 20px;
            padding: 3.5rem;
            box-shadow: var(--shadow);
            margin-bottom: 3rem;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 2px dashed #eaeaea;
            color: var(--gray);
            font-size: 0.95rem;
        }
        .update-time {
            color: var(--secondary);
            font-weight: 600;
        }
        h1 {
            font-size: 3.2rem;
            line-height: 1.2;
            margin-bottom: 1.8rem;
            color: var(--dark);
            text-align: center;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        h2 {
            font-size: 2.2rem;
            margin: 3rem 0 1.5rem;
            color: var(--dark);
            padding-bottom: 0.8rem;
            border-bottom: 3px solid var(--primary);
        }
        h3 {
            font-size: 1.7rem;
            margin: 2.5rem 0 1.2rem;
            color: #333;
        }
        h4 {
            font-size: 1.35rem;
            margin: 2rem 0 1rem;
            color: #555;
        }
        p {
            margin-bottom: 1.8rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.4rem;
            color: var(--primary);
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 2.5rem;
            padding: 1.5rem;
            background: #f0f7ff;
            border-left: 5px solid var(--secondary);
            border-radius: 0 10px 10px 0;
        }
        .highlight {
            background: linear-gradient(120deg, #a8edea 0%, #fed6e3 100%);
            padding: 0.3rem 0.6rem;
            border-radius: 5px;
            font-weight: 600;
        }
        .content-img {
            width: 100%;
            height: auto;
            border-radius: 15px;
            margin: 2.5rem 0;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
            display: block;
        }
        .content-img:hover {
            transform: scale(1.01);
            box-shadow: 0 20px 45px rgba(0, 0, 0, 0.15);
        }
        .figcaption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        .sidebar-widget {
            background: white;
            border-radius: 15px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .widget-title i {
            color: var(--secondary);
        }
        .link-list a {
            display: block;
            padding: 1rem;
            margin-bottom: 0.8rem;
            background: #f8f9fa;
            border-radius: 10px;
            color: var(--dark);
            text-decoration: none;
            transition: var(--transition);
            border-left: 4px solid transparent;
        }
        .link-list a:hover {
            background: #e9ecef;
            border-left-color: var(--secondary);
            transform: translateX(5px);
        }
        .rating-widget {
            background: white;
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: var(--shadow);
            margin: 3rem 0;
            text-align: center;
        }
        .stars {
            font-size: 2.5rem;
            color: #ddd;
            margin: 1.5rem 0;
            cursor: pointer;
            display: inline-flex;
            gap: 10px;
        }
        .stars span {
            transition: var(--transition);
        }
        .stars span:hover,
        .stars span.active {
            color: gold;
            transform: scale(1.2);
        }
        .stars span:hover ~ span {
            color: gold;
        }
        .comment-section {
            background: white;
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: var(--shadow);
            margin: 3rem 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1.2rem;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 1rem;
            margin-bottom: 1.5rem;
            resize: vertical;
            min-height: 150px;
            transition: var(--transition);
        }
        .comment-form textarea:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 85, 255, 0.1);
        }
        .form-row {
            display: flex;
            gap: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .form-row input {
            flex: 1;
            padding: 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 1rem;
        }
        .submit-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 1.2rem 2.5rem;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .submit-btn:hover {
            background: #0044cc;
            transform: translateY(-3px);
        }
        .site-footer {
            background: var(--dark);
            color: white;
            padding: 4rem 5% 2rem;
            margin-top: 5rem;
        }
        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-logo {
            font-size: 2.5rem;
            font-weight: 900;
            color: white;
            margin-bottom: 1.5rem;
            display: block;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            display: block;
            margin-bottom: 0.8rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 8px;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: 10px;
            margin: 1rem 0;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        friend-link a {
            color: #80b3ff;
            text-decoration: none;
            font-weight: 600;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            .container {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            h1 {
                font-size: 2.7rem;
            }
            h2 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-main {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: white;
                flex-direction: column;
                padding: 2rem;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
                border-top: 2px solid var(--primary);
            }
            .nav-main.active {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .form-row {
                flex-direction: column;
                gap: 1rem;
            }
            .main-article {
                padding: 2rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .stars {
                font-size: 2rem;
            }
        }
        .emoji-bullet {
            font-size: 1.3em;
            margin-right: 10px;
            vertical-align: middle;
        }
        .tip-box {
            background: #e7f5ff;
            border-left: 5px solid var(--primary);
            padding: 1.8rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .warning-box {
            background: #fff4e6;
            border-left: 5px solid var(--secondary);
            padding: 1.8rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border: 2px solid #eaeaea;
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-8px);
            border-color: var(--primary);
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }
        .stat-label {
            color: var(--gray);
            margin-top: 0.8rem;
            font-size: 1rem;
        }
