*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: #f8f7f4;
            color: #1e1e2a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #b45309;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #78350f;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: 'Playfair Display', Georgia, serif;
            color: #1a1a2e;
            line-height: 1.3;
            margin-top: 1.6em;
            margin-bottom: 0.5em;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-top: 0.4em;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2.0rem;
            font-weight: 700;
            border-left: 6px solid #b45309;
            padding-left: 1rem;
            margin-top: 2.2em;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-top: 1.8em;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-top: 1.4em;
            color: #3f3f5c;
        }
        p {
            margin-bottom: 1.2em;
            font-size: 1.05rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        .my-logo {
            font-family: 'Playfair Display', Georgia, serif;
            font-size: 2rem;
            font-weight: 800;
            color: #f59e0b;
            letter-spacing: 0.04em;
            transition: opacity 0.2s;
            text-decoration: none;
            line-height: 1.2;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
            color: #fbbf24;
        }
        .my-logo small {
            font-size: 0.65rem;
            display: block;
            color: #a1a1c0;
            font-family: 'Inter', sans-serif;
            font-weight: 400;
            letter-spacing: 0.12em;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 0.2rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.1rem;
            flex-wrap: wrap;
            padding: 0;
        }
        .nav-list li a {
            color: #e0e0f0;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
            display: inline-block;
        }
        .nav-list li a:hover {
            background: rgba(245, 158, 11, 0.2);
            color: #fbbf24;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        .breadcrumb {
            background: #ebebf0;
            padding: 0.7rem 0;
            font-size: 0.9rem;
            color: #4a4a6a;
            border-bottom: 1px solid #d4d4de;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem;
        }
        .breadcrumb a {
            color: #b45309;
        }
        .breadcrumb span.sep {
            margin: 0 0.3rem;
            color: #8888aa;
        }
        main {
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        .article-body {
            background: #fff;
            border-radius: 24px;
            padding: 2.5rem 2.8rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
        }
        @media (max-width: 640px) {
            .article-body {
                padding: 1.5rem 1.2rem;
            }
            h1 {
                font-size: 2.0rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
        }
        .article-body .meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.9rem;
            color: #6b6b8a;
            margin-bottom: 2rem;
            border-bottom: 1px dashed #ddd;
            padding-bottom: 1.2rem;
        }
        .article-body .meta-line i {
            margin-right: 0.3rem;
        }
        .featured-img {
            margin: 2rem 0 2.5rem;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
        }
        .featured-img img {
            width: 100%;
            height: auto;
            display: block;
        }
        .featured-img figcaption {
            background: #f1f0ec;
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #4a4a6a;
            font-style: italic;
        }
        .highlight-box {
            background: #fef9ec;
            border-left: 6px solid #b45309;
            padding: 1.5rem 2rem;
            border-radius: 12px;
            margin: 2rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            list-style: none;
            padding: 0;
            margin: 1.2rem 0;
        }
        .link-list-inline li a {
            background: #f1f0ec;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            display: inline-block;
            transition: background 0.2s, transform 0.1s;
        }
        .link-list-inline li a:hover {
            background: #e3dac9;
            transform: translateY(-1px);
            text-decoration: none;
        }
        .sidebar {
            background: #fff;
            border-radius: 24px;
            padding: 2rem 1.8rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
            height: fit-content;
            position: sticky;
            top: 90px;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            margin-top: 0;
            border-bottom: 3px solid #b45309;
            padding-bottom: 0.5rem;
            font-family: 'Inter', sans-serif;
            font-weight: 700;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 1.2rem 0;
        }
        .sidebar ul li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #eee;
        }
        .sidebar ul li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 500;
        }
        .sidebar ul li a i {
            color: #b45309;
            width: 1.2rem;
            text-align: center;
        }
        .form-section {
            background: #fff;
            border-radius: 24px;
            padding: 2rem 2.5rem;
            margin-top: 2.5rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
        }
        .form-section h2 {
            margin-top: 0;
            border-left-color: #1a1a2e;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.4rem;
            color: #2a2a40;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem 1.2rem;
            border: 2px solid #ddd;
            border-radius: 12px;
            font-size: 1rem;
            font-family: 'Inter', sans-serif;
            transition: border 0.25s, box-shadow 0.25s;
            background: #fafafa;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #b45309;
            box-shadow: 0 0 0 4px rgba(180, 83, 9, 0.15);
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            background: #b45309;
            color: #fff;
            border: none;
            padding: 0.8rem 2.2rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .btn:hover {
            background: #78350f;
            transform: translateY(-2px);
        }
        .btn:active {
            transform: translateY(0);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
            font-size: 2rem;
            margin: 0.6rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #ccc;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
        }
        .site-footer {
            background: #1a1a2e;
            color: #c0c0d8;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
            border-top: 6px solid #b45309;
        }
        .site-footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        @media (max-width: 700px) {
            .site-footer .container {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        .site-footer h4 {
            color: #f59e0b;
            font-family: 'Inter', sans-serif;
            font-weight: 700;
            margin-top: 0;
            border-bottom: 2px solid #2a2a50;
            padding-bottom: 0.5rem;
        }
        .site-footer a {
            color: #a1a1c0;
        }
        .site-footer a:hover {
            color: #fbbf24;
        }
        .friend-link {
            display: block;
            padding: 0.3rem 0;
        }
        .friend-link a {
            display: inline-block;
            padding: 0.2rem 0;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            border-top: 1px solid #2a2a50;
            padding-top: 1.5rem;
            margin-top: 1rem;
            font-size: 0.9rem;
            color: #8888aa;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a1a2e;
                border-radius: 16px;
                padding: 1rem 0.5rem;
                margin-top: 0.5rem;
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                z-index: 999;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 0.8rem 1.2rem;
                width: 100%;
            }
            .header-inner {
                position: relative;
            }
            .nav-wrap {
                order: 3;
                width: 100%;
            }
            .my-logo {
                font-size: 1.6rem;
            }
            .sidebar {
                position: static;
            }
        }
        @media (min-width: 769px) {
            .nav-list {
                display: flex !important;
            }
            .hamburger {
                display: none !important;
            }
        }
        .text-small {
            font-size: 0.9rem;
            color: #6b6b8a;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            align-items: center;
        }
        .gap-1 {
            gap: 1rem;
        }
        .tag {
            display: inline-block;
            background: #f1f0ec;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #4a4a6a;
        }
        .hidden-schema {
            display: none;
        }