*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #faf9f6;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0 1rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus-visible {
            color: #e74c3c;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            color: #1a2634;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            border-left: 6px solid #e67e22;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 3px solid #f1c40f;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.1rem;
            color: #34495e;
        }
        p {
            margin: 1rem 0;
            font-size: 1.05rem;
        }
        strong {
            color: #a93226;
            font-weight: 700;
        }
        em {
            font-style: italic;
            color: #7f8c8d;
        }
        hr {
            border: none;
            border-top: 2px dashed #dcdde1;
            margin: 2.5rem 0;
        }
        .container {
            padding: 1rem 0;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0;
            border-bottom: 2px solid #e0dcd3;
            margin-bottom: 1.5rem;
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            color: #1a2634;
            background: linear-gradient(135deg, #e67e22, #f1c40f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            text-decoration: none;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.85;
        }
        .my-logo i {
            -webkit-text-fill-color: #e67e22;
            font-size: 1.8rem;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #7f8c8d;
            display: block;
            letter-spacing: 0.5px;
        }
        .nav-bar {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-wrap: wrap;
        }
        .nav-bar a {
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            color: #2c3e50;
            background: transparent;
            transition: all 0.2s ease;
        }
        .nav-bar a:hover {
            background: #e67e22;
            color: #fff;
            text-decoration: none;
        }
        .nav-bar a i {
            margin-right: 0.4rem;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #1a2634;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
        }
        .hamburger:hover {
            background: #f0ebe1;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.6rem 0;
            margin: 0 0 1rem 0;
            font-size: 0.9rem;
            background: #f0ebe1;
            border-radius: 30px;
            padding: 0.5rem 1.2rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 0.6rem;
            color: #999;
        }
        .breadcrumb a {
            color: #c0392b;
        }
        .breadcrumb .active {
            color: #7f8c8d;
            font-weight: 600;
        }
        .hero-img-wrap {
            margin: 1.8rem 0 2.2rem 0;
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
            background: #e8e2d6;
        }
        .hero-img-wrap img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }
        .form-card {
            background: #ffffff;
            border-radius: 18px;
            padding: 1.8rem 2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            margin: 2rem 0;
            border: 1px solid #ece8e0;
        }
        .form-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 2px solid #ddd6cb;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            transition: border 0.2s ease;
            background: #fcfaf7;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #e67e22;
            outline: none;
            background: #fff;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #e67e22;
            color: #fff;
            border: none;
            padding: 0.75rem 2rem;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .btn:hover {
            background: #d35400;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(230, 126, 34, 0.3);
        }
        .btn-secondary {
            background: #2c3e50;
        }
        .btn-secondary:hover {
            background: #1a2634;
            box-shadow: 0 6px 16px rgba(44, 62, 80, 0.3);
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #f1c40f;
            cursor: pointer;
        }
        .rating-stars i {
            transition: transform 0.15s ease;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 0.8rem;
            margin: 1.2rem 0;
        }
        .link-grid a {
            background: #f0ebe1;
            padding: 0.6rem 1.2rem;
            border-radius: 40px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.2s ease;
            font-size: 0.9rem;
        }
        .link-grid a:hover {
            background: #e67e22;
            color: #fff;
            text-decoration: none;
            transform: translateX(4px);
        }
        friend-link {
            display: block;
            background: #2c3e50;
            color: #ecf0f1;
            padding: 1.8rem 2rem;
            border-radius: 18px;
            margin: 2.5rem 0 1.5rem 0;
            text-align: center;
        }
        friend-link a {
            color: #f1c40f;
            margin: 0 0.8rem;
            font-weight: 500;
        }
        friend-link a:hover {
            color: #e67e22;
            text-decoration: underline;
        }
        .site-footer {
            border-top: 2px solid #e0dcd3;
            padding: 2rem 0 1.5rem 0;
            margin-top: 2rem;
            text-align: center;
            font-size: 0.95rem;
            color: #5d6d7e;
        }
        .site-footer .copyright {
            font-weight: 600;
            margin-top: 0.8rem;
        }
        .site-footer a {
            color: #c0392b;
        }
        .toc {
            background: #f0ebe1;
            border-radius: 18px;
            padding: 1.5rem 2rem;
            margin: 1.8rem 0;
        }
        .toc summary {
            font-weight: 700;
            font-size: 1.2rem;
            cursor: pointer;
            color: #1a2634;
        }
        .toc ol {
            margin: 0.8rem 0 0 1.2rem;
        }
        .toc a {
            color: #2c3e50;
        }
        .toc a:hover {
            color: #e67e22;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.6rem;
            }
            h1 {
                font-size: 1.7rem;
                padding-left: 0.6rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .site-header {
                flex-wrap: wrap;
                padding: 0.8rem 0;
            }
            .nav-bar {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #fff;
                padding: 1rem 0.5rem;
                border-radius: 16px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                margin-top: 0.8rem;
            }
            .nav-bar.open {
                display: flex;
            }
            .nav-bar a {
                padding: 0.7rem 1rem;
                border-radius: 12px;
                width: 100%;
            }
            .hamburger {
                display: block;
            }
            .form-card {
                padding: 1.2rem;
            }
            .link-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-img-wrap img {
                max-height: 200px;
            }
            .breadcrumb {
                font-size: 0.8rem;
                padding: 0.4rem 1rem;
            }
            friend-link {
                padding: 1.2rem 1rem;
            }
            .rating-stars {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .link-grid {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .my-logo i {
                font-size: 1.3rem;
            }
        }
        .text-muted {
            color: #7f8c8d;
            font-size: 0.9rem;
        }
        .flex-between {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        .badge {
            background: #e67e22;
            color: #fff;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            display: inline-block;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .highlight-box {
            background: #fef9e7;
            border-left: 5px solid #f1c40f;
            padding: 1.2rem 1.5rem;
            border-radius: 12px;
            margin: 1.5rem 0;
        }
        .highlight-box strong {
            color: #1a2634;
        }
        .emoji-lg {
            font-size: 1.6rem;
        }