* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
            background: #f8f9fc;
            color: #1e2a3a;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e74c3c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f39c12, #e74c3c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            display: inline-block;
            transition: transform 0.3s;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #aaa;
            color: #aaa;
            display: block;
            letter-spacing: 1px;
        }
        .nav-toggle {
            display: none;
            font-size: 1.6rem;
            background: none;
            border: none;
            color: #fff;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #ddd;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s;
            border: 1px solid transparent;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.2);
            text-decoration: none;
        }
        .main-nav a.active {
            background: #e74c3c;
            color: #fff;
            border-color: #e74c3c;
        }
        .breadcrumb {
            background: #fff;
            padding: 12px 0;
            border-bottom: 1px solid #e9ecef;
            font-size: 0.85rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #999;
        }
        .breadcrumb a {
            color: #c0392b;
        }
        .breadcrumb .current {
            color: #555;
            font-weight: 600;
        }
        .hero {
            padding: 40px 0 30px;
            background: #fff;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 12px;
            color: #1a1a2e;
        }
        .hero h1 span {
            background: linear-gradient(135deg, #e74c3c, #f39c12);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero .meta {
            color: #666;
            font-size: 0.95rem;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 8px;
        }
        .hero .meta i {
            margin-right: 6px;
            color: #c0392b;
        }
        .content-wrap {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            padding: 30px 0 50px;
        }
        .main-content h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #e74c3c;
            color: #1a1a2e;
        }
        .main-content h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 30px 0 12px;
            color: #2c3e50;
        }
        .main-content h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 22px 0 10px;
            color: #34495e;
        }
        .main-content p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #2c3e50;
        }
        .main-content ul,
        .main-content ol {
            margin: 12px 0 22px 24px;
        }
        .main-content li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        .main-content .feature-box {
            background: #fef9e7;
            border-left: 4px solid #f39c12;
            padding: 18px 24px;
            border-radius: 8px;
            margin: 24px 0;
        }
        .main-content .tip-box {
            background: #eafaf1;
            border-left: 4px solid #27ae60;
            padding: 18px 24px;
            border-radius: 8px;
            margin: 24px 0;
        }
        .main-content .highlight {
            background: #fff3cd;
            padding: 2px 6px;
            border-radius: 4px;
            font-weight: 600;
        }
        .main-content .img-wrapper {
            margin: 30px 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .main-content .img-wrapper figcaption {
            background: #f1f3f5;
            padding: 10px 16px;
            font-size: 0.9rem;
            color: #555;
            text-align: center;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 12px;
            padding: 24px;
            margin-bottom: 24px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef0f3;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: #1a1a2e;
            border-bottom: 2px solid #e74c3c;
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            padding: 6px 0;
            border-bottom: 1px solid #f0f0f0;
            font-size: 0.95rem;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            color: #2c3e50;
        }
        .sidebar-card a:hover {
            color: #c0392b;
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 16px;
            border: 2px solid #ddd;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input:focus {
            border-color: #e74c3c;
        }
        .search-form button {
            background: #e74c3c;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 10px 20px;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #c0392b;
        }
        .comment-section,
        .rating-section {
            background: #fff;
            border-radius: 12px;
            padding: 28px 30px;
            margin: 30px 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef0f3;
        }
        .comment-section h2,
        .rating-section h2 {
            font-size: 1.5rem;
            border-bottom: 2px solid #e74c3c;
            padding-bottom: 10px;
            margin-bottom: 20px;
        }
        .comment-form textarea,
        .comment-form input,
        .rating-form select,
        .rating-form input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 1rem;
            margin-bottom: 14px;
            font-family: inherit;
            transition: border 0.3s;
        }
        .comment-form textarea:focus,
        .comment-form input:focus,
        .rating-form select:focus {
            border-color: #e74c3c;
            outline: none;
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-form button,
        .rating-form button {
            background: #e74c3c;
            color: #fff;
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: #c0392b;
            transform: translateY(-2px);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #f1c40f;
            margin-bottom: 14px;
        }
        .rating-stars i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .rating-stars i:hover {
            transform: scale(1.15);
        }
        .site-footer {
            background: #1a1a2e;
            color: #ccc;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        .site-footer a {
            color: #bbb;
        }
        .site-footer a:hover {
            color: #f39c12;
        }
        .site-footer .copyright {
            border-top: 1px solid #2a2a4a;
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: #888;
        }
        friend-link {
            display: block;
            padding: 12px 0;
        }
        friend-link a {
            color: #f39c12;
            margin: 0 8px;
        }
        friend-link a:hover {
            color: #e74c3c;
        }
        @media (max-width: 992px) {
            .content-wrap {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding-top: 16px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                border-radius: 8px;
                width: 100%;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
            .header-inner {
                flex-wrap: wrap;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 14px;
            }
            .comment-section,
            .rating-section {
                padding: 20px 16px;
            }
            .search-form {
                flex-wrap: wrap;
            }
            .search-form input {
                flex: 1 1 100%;
            }
            .search-form button {
                flex: 1;
            }
        }