*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #c0392b;
            --primary-dark: #a93226;
            --secondary: #2c3e50;
            --accent: #f39c12;
            --light-bg: #fdf2f0;
            --card-bg: #ffffff;
            --text: #1e2a36;
            --text-light: #5a6a7a;
            --border: #e0d6d2;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
            --radius: 16px;
            --max-width: 1200px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: #f8f4f2;
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--card-bg);
            border-bottom: 2px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            color: var(--primary);
            background: linear-gradient(135deg, #c0392b, #e74c3c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: var(--primary);
            font-size: 2rem;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .nav-toggle {
            display: none;
            font-size: 1.6rem;
            background: none;
            border: none;
            color: var(--secondary);
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--light-bg);
        }
        .main-nav {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            padding: 8px 16px;
            border-radius: 40px;
            color: var(--text);
            font-weight: 500;
            font-size: 0.92rem;
            transition: var(--transition);
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: var(--light-bg);
            color: var(--primary);
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: var(--card-bg);
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.88rem;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            margin: 0 6px;
            color: #bbb;
        }
        .hero {
            background: linear-gradient(135deg, #fdf2f0 0%, #fce8e4 100%);
            padding: 48px 0 40px;
            text-align: center;
            border-bottom: 1px solid var(--border);
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--secondary);
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero h1 i {
            color: var(--accent);
            margin-right: 10px;
        }
        .hero p {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 760px;
            margin: 0 auto 12px;
        }
        .hero .meta {
            font-size: 0.92rem;
            color: #999;
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .hero .meta i {
            margin-right: 6px;
        }
        .content-wrap {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        .content-main {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 40px 36px;
            box-shadow: var(--shadow);
        }
        .content-main h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary);
            margin: 48px 0 18px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--light-bg);
        }
        .content-main h2:first-of-type {
            margin-top: 0;
        }
        .content-main h3 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 32px 0 12px;
        }
        .content-main h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text);
            margin: 24px 0 8px;
        }
        .content-main p {
            margin-bottom: 18px;
            color: var(--text);
        }
        .content-main ul,
        .content-main ol {
            margin: 0 0 20px 24px;
        }
        .content-main li {
            margin-bottom: 8px;
        }
        .content-main .highlight-box {
            background: var(--light-bg);
            border-left: 4px solid var(--primary);
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .content-main .highlight-box strong {
            color: var(--primary);
        }
        .featured-image {
            margin: 28px 0;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }
        .pattern-table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .pattern-table thead {
            background: var(--secondary);
            color: #fff;
        }
        .pattern-table th {
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
        }
        .pattern-table td {
            padding: 14px 16px;
            border-bottom: 1px solid var(--border);
        }
        .pattern-table tbody tr:hover {
            background: var(--light-bg);
        }
        .pattern-table .tag {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 2px 12px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            margin-bottom: 10px;
            border-bottom: 1px solid var(--border);
            padding-bottom: 10px;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        .sidebar-card a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card a i {
            width: 20px;
            color: var(--accent);
            font-size: 0.85rem;
        }
        .form-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            margin: 32px 0;
        }
        .form-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.92rem;
            margin-bottom: 4px;
            color: var(--text);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 10px;
            font-size: 1rem;
            font-family: var(--font);
            transition: var(--transition);
            background: #fafafa;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(192, 57, 43, 0.08);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            padding: 12px 32px;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(192, 57, 43, 0.25);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--border);
            color: var(--text);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            cursor: pointer;
            direction: rtl;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ddd;
            transition: var(--transition);
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: var(--accent);
        }
        .site-footer {
            background: var(--secondary);
            color: #ddd;
            padding: 48px 0 24px;
            margin-top: 48px;
        }
        .site-footer a {
            color: #f0c0b0;
        }
        .site-footer a:hover {
            color: #fff;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-grid h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 14px;
            font-weight: 700;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-grid li {
            margin-bottom: 8px;
        }
        .footer-grid li a {
            font-size: 0.92rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.88rem;
            color: #aaa;
        }
        .footer-bottom .copy {
            margin-top: 6px;
            font-size: 0.82rem;
        }
        friend-link {
            display: block;
            margin-top: 12px;
            font-size: 0.9rem;
        }
        friend-link a {
            margin: 0 4px;
        }
        @media (max-width: 992px) {
            .content-wrap {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: 2;
            }
            .content-main {
                padding: 28px 20px;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: var(--card-bg);
                padding: 12px 0 16px;
                border-top: 1px solid var(--border);
                gap: 2px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 20px;
                border-radius: 8px;
                width: 100%;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .content-main {
                padding: 20px 16px;
            }
            .content-main h2 {
                font-size: 1.5rem;
            }
            .content-main h3 {
                font-size: 1.2rem;
            }
            .pattern-table {
                font-size: 0.82rem;
            }
            .pattern-table th,
            .pattern-table td {
                padding: 10px 8px;
            }
            .header-inner {
                padding: 10px 0;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .form-card {
                padding: 20px 16px;
            }
            .star-rating {
                font-size: 1.5rem;
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.4rem;
            }
            .hero .meta {
                font-size: 0.8rem;
                gap: 12px;
            }
            .content-main {
                padding: 16px 12px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .form-group input,
            .form-group textarea,
            .form-group select {
                padding: 10px 12px;
                font-size: 0.92rem;
            }
        }