* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #fafaf5;
            color: #1e2a2f;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #b45309;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #78350f;
            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(145deg, #1e2a2f 0%, #2d3f47 100%);
            color: #f8f5f0;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #f8f5f0;
            background: linear-gradient(135deg, #f59e0b, #d97706);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #cbd5e1;
            color: #cbd5e1;
            letter-spacing: 0.5px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f8f5f0;
            font-size: 1.8rem;
            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;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e2e8f0;
            padding: 6px 14px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(245, 158, 11, 0.2);
            color: #fbbf24;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #b45309;
            color: #fff;
        }
        .breadcrumb-wrap {
            background: #f1eee9;
            padding: 10px 0;
            border-bottom: 1px solid #e2dcd3;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: #5b6e7a;
        }
        .breadcrumb a {
            color: #7a5a3a;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: #b45309;
        }
        .breadcrumb span {
            color: #8a9ba8;
        }
        .hero {
            background: linear-gradient(135deg, #f5f0ea 0%, #e8dfd4 100%);
            padding: 48px 0 40px;
            border-bottom: 2px solid #d4c9bc;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #1e2a2f;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero h1 .highlight {
            color: #b45309;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 720px;
            color: #3d4f5a;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 18px;
            font-size: 0.9rem;
            color: #5b6e7a;
        }
        .hero-meta i {
            margin-right: 6px;
            color: #b45309;
        }
        .search-section {
            background: #fff;
            padding: 20px 0;
            border-bottom: 1px solid #e2dcd3;
        }
        .search-form {
            display: flex;
            max-width: 560px;
            border-radius: 40px;
            overflow: hidden;
            border: 2px solid #d4c9bc;
            background: #fff;
            transition: border-color 0.3s;
        }
        .search-form:focus-within {
            border-color: #b45309;
        }
        .search-form input {
            flex: 1;
            padding: 14px 20px;
            border: none;
            outline: none;
            font-size: 1rem;
            background: transparent;
        }
        .search-form button {
            background: #b45309;
            color: #fff;
            border: none;
            padding: 14px 28px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #78350f;
        }
        .main-content {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-body h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #1e2a2f;
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #f59e0b;
        }
        .content-body h2:first-of-type {
            margin-top: 0;
        }
        .content-body h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #2d3f47;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        .content-body h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #3d4f5a;
            margin-top: 24px;
            margin-bottom: 8px;
        }
        .content-body p {
            margin-bottom: 18px;
            color: #2d3f47;
        }
        .content-body ul,
        .content-body ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }
        .content-body li {
            margin-bottom: 8px;
        }
        .content-body strong {
            color: #1e2a2f;
        }
        .content-body .tip-box {
            background: #fef9ec;
            border-left: 5px solid #f59e0b;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .content-body .tip-box i {
            color: #b45309;
            margin-right: 8px;
        }
        .featured-image-wrap {
            margin: 32px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .featured-image-wrap figcaption {
            background: #f1eee9;
            padding: 10px 16px;
            font-size: 0.85rem;
            color: #5b6e7a;
            text-align: center;
        }
        .toc {
            background: #f8f5f0;
            border: 1px solid #e2dcd3;
            border-radius: 16px;
            padding: 24px 28px;
            margin-bottom: 36px;
        }
        .toc h3 {
            margin-top: 0;
            font-size: 1.2rem;
            font-weight: 700;
            color: #1e2a2f;
        }
        .toc ul {
            list-style: none;
            padding: 0;
            margin: 12px 0 0;
        }
        .toc li {
            padding: 4px 0;
        }
        .toc a {
            color: #5b6e7a;
            font-weight: 500;
        }
        .toc a:hover {
            color: #b45309;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #f8f5f0;
            border-radius: 16px;
            padding: 24px;
            border: 1px solid #e2dcd3;
            margin-bottom: 24px;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #1e2a2f;
            margin-bottom: 12px;
            border-bottom: 2px solid #f59e0b;
            padding-bottom: 8px;
        }
        .sidebar-links a {
            display: block;
            padding: 8px 0;
            border-bottom: 1px solid #e2dcd3;
            font-size: 0.9rem;
            color: #3d4f5a;
            transition: all 0.2s;
        }
        .sidebar-links a:hover {
            color: #b45309;
            padding-left: 6px;
            text-decoration: none;
        }
        .sidebar-links a:last-child {
            border-bottom: none;
        }
        .rating-wrap {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin: 16px 0;
        }
        .stars {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #d4c9bc;
            cursor: pointer;
            direction: rtl;
        }
        .stars input {
            display: none;
        }
        .stars label {
            cursor: pointer;
            transition: color 0.2s;
            color: #d4c9bc;
        }
        .stars label:hover,
        .stars label:hover~label,
        .stars input:checked~label {
            color: #f59e0b;
        }
        .rating-form button {
            background: #b45309;
            color: #fff;
            border: none;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 0.9rem;
        }
        .rating-form button:hover {
            background: #78350f;
        }
        .comment-section {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 2px solid #e2dcd3;
        }
        .comment-form textarea {
            width: 100%;
            padding: 16px;
            border: 2px solid #d4c9bc;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 120px;
            transition: border-color 0.3s;
        }
        .comment-form textarea:focus {
            border-color: #b45309;
            outline: none;
        }
        .comment-form input[type="text"] {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #d4c9bc;
            border-radius: 12px;
            font-size: 1rem;
            margin: 8px 0 16px;
            transition: border-color 0.3s;
        }
        .comment-form input[type="text"]:focus {
            border-color: #b45309;
            outline: none;
        }
        .comment-form button {
            background: #1e2a2f;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 1rem;
        }
        .comment-form button:hover {
            background: #2d3f47;
        }
        friend-link {
            display: block;
            padding: 40px 0;
            background: #1e2a2f;
            color: #e2e8f0;
        }
        friend-link .container {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 32px;
            justify-content: center;
        }
        friend-link a {
            color: #fbbf24;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
        }
        friend-link a:hover {
            color: #f59e0b;
            text-decoration: underline;
        }
        .site-footer {
            background: #151f23;
            color: #a0b3be;
            padding: 28px 0;
            text-align: center;
            font-size: 0.85rem;
            border-top: 1px solid #2d3f47;
        }
        .site-footer .copyright {
            color: #8a9ba8;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 16px;
                gap: 4px;
                background: #1e2a2f;
                border-top: 1px solid #2d3f47;
                margin-top: 12px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                border-radius: 8px;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: 16px;
            }
            .search-form button {
                border-radius: 0;
                justify-content: center;
            }
            .content-body h2 {
                font-size: 1.5rem;
            }
            .content-body h3 {
                font-size: 1.2rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .stars {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .hero {
                padding: 28px 0;
            }
            .hero h1 {
                font-size: 1.3rem;
            }
            .main-content {
                padding: 24px 0;
            }
            .toc {
                padding: 16px 18px;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        .text-muted {
            color: #5b6e7a;
        }
        .mt-1 {
            margin-top: 12px;
        }
        .mb-1 {
            margin-bottom: 12px;
        }
        .flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .gap-2 {
            gap: 8px;
        }
        .items-center {
            align-items: center;
        }