* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, Arial, sans-serif;
            background: #f7f3eb;
            color: #2d2a24;
            line-height: 1.75;
            padding: 0;
        }
        a {
            color: #8b3a1f;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #c0522a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: #1a1a1a;
            color: #f5f0e8;
            padding: 18px 0;
            border-bottom: 4px solid #b85c2e;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .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: 1px;
            background: linear-gradient(135deg, #d47b3a, #b85c2e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            font-family: 'Georgia', serif;
        }
        .my-logo small {
            font-size: 0.9rem;
            -webkit-text-fill-color: #aaa;
            color: #aaa;
            display: block;
            font-weight: 300;
            letter-spacing: 0.5px;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-list li a {
            padding: 8px 16px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.05);
            color: #e8ddd0;
            font-weight: 500;
            font-size: 0.9rem;
            transition: background 0.25s, color 0.25s;
            border: 1px solid transparent;
        }
        .nav-list li a:hover {
            background: #b85c2e;
            color: #fff;
            text-decoration: none;
            border-color: #d47b3a;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f5f0e8;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 10px;
        }
        .hamburger:focus {
            outline: 2px solid #b85c2e;
        }
        .breadcrumb {
            background: #ede6db;
            padding: 12px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d6cdbf;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 12px;
            color: #8b6f55;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #6b4f3a;
        }
        .breadcrumb .active {
            color: #2d2a24;
            font-weight: 600;
        }
        .hero {
            padding: 40px 0 30px;
            background: linear-gradient(145deg, #f0e8dd, #e6dccc);
            border-bottom: 2px solid #d6cdbf;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #1f1b16;
            line-height: 1.2;
            margin-bottom: 16px;
            font-family: 'Georgia', serif;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px 30px;
            color: #5a4d3d;
            font-size: 0.95rem;
        }
        .hero-meta i {
            margin-right: 6px;
            color: #b85c2e;
        }
        .last-updated {
            font-weight: 600;
            color: #3d3227;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 920px) {
            .main-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        .content h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 40px 0 16px;
            color: #1f1b16;
            border-left: 5px solid #b85c2e;
            padding-left: 18px;
            font-family: 'Georgia', serif;
        }
        .content h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 32px 0 12px;
            color: #2d241c;
        }
        .content h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 24px 0 10px;
            color: #3d3227;
        }
        .content p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #2d2a24;
        }
        .content ul,
        .content ol {
            margin: 12px 0 20px 28px;
        }
        .content li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        .content .highlight-box {
            background: #e8ddd0;
            border-left: 6px solid #b85c2e;
            padding: 20px 26px;
            border-radius: 8px;
            margin: 24px 0;
        }
        .content .highlight-box strong {
            color: #8b3a1f;
        }
        .content .emoji-big {
            font-size: 1.3rem;
        }
        .img-wrapper {
            margin: 30px 0;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .img-wrapper figcaption {
            background: #ede6db;
            padding: 10px 18px;
            font-size: 0.9rem;
            color: #4d3f32;
            font-style: italic;
        }
        .sidebar {
            background: #ede6db;
            border-radius: 18px;
            padding: 28px 22px;
            border: 1px solid #d6cdbf;
            position: sticky;
            top: 110px;
            align-self: start;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: #1f1b16;
            border-bottom: 2px solid #b85c2e;
            padding-bottom: 10px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            padding: 8px 0;
            border-bottom: 1px solid #d0c4b4;
        }
        .sidebar ul li a {
            font-weight: 500;
            display: block;
            padding: 4px 0;
        }
        .sidebar ul li a:hover {
            padding-left: 8px;
        }
        .form-section {
            background: #f0e8dd;
            border-radius: 18px;
            padding: 28px 24px;
            margin-top: 40px;
            border: 1px solid #d6cdbf;
        }
        .form-section h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: #1f1b16;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            color: #3d3227;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #d0c4b4;
            border-radius: 10px;
            font-size: 1rem;
            background: #fffcf8;
            transition: border 0.2s;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #b85c2e;
            outline: none;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #b85c2e;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn:hover {
            background: #9e4a22;
            transform: scale(1.02);
        }
        .btn-secondary {
            background: #5a4d3d;
        }
        .btn-secondary:hover {
            background: #3d3227;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            flex-direction: row-reverse;
            justify-content: flex-end;
        }
        .star-rating i {
            transition: color 0.15s, transform 0.1s;
        }
        .star-rating i:hover,
        .star-rating i:hover~i {
            color: #e8a838;
        }
        .star-rating.active i.active-star {
            color: #e8a838;
        }
        .comment-list {
            margin-top: 20px;
        }
        .comment-item {
            background: #fffcf8;
            border-radius: 12px;
            padding: 16px 20px;
            margin-bottom: 14px;
            border-left: 4px solid #b85c2e;
        }
        .comment-item .author {
            font-weight: 700;
            color: #1f1b16;
        }
        .comment-item .date {
            font-size: 0.85rem;
            color: #6b5a4a;
            margin-left: 12px;
        }
        .comment-item .text {
            margin-top: 6px;
        }
        footer {
            background: #1a1a1a;
            color: #d6cdbf;
            padding: 40px 0 20px;
            margin-top: 50px;
            border-top: 4px solid #b85c2e;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        @media (max-width: 720px) {
            footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        footer h4 {
            color: #f0e8dd;
            font-size: 1.1rem;
            margin-bottom: 14px;
            font-weight: 700;
        }
        footer a {
            color: #c9b8a5;
        }
        footer a:hover {
            color: #e8a838;
        }
        .friend-link {
            display: block;
            background: #2a2722;
            padding: 24px 20px;
            border-radius: 14px;
            margin-top: 20px;
        }
        .friend-link h4 {
            color: #e8a838;
            font-size: 1.2rem;
        }
        .friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            margin-top: 10px;
        }
        .friend-link ul li a {
            background: rgba(255, 255, 255, 0.06);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: background 0.2s;
        }
        .friend-link ul li a:hover {
            background: #b85c2e;
            color: #fff;
            text-decoration: none;
        }
        .copyright {
            border-top: 1px solid #3d3227;
            padding-top: 20px;
            margin-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: #8b7a6a;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a1a1a;
                padding: 16px 0;
                gap: 4px;
                border-top: 2px solid #b85c2e;
                margin-top: 12px;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                display: block;
                padding: 12px 20px;
                border-radius: 0;
                background: transparent;
                border: none;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .content h2 {
                font-size: 1.6rem;
            }
            .content h3 {
                font-size: 1.3rem;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
                gap: 4px 8px;
            }
            .sidebar {
                position: static;
                margin-top: 30px;
            }
            .main-grid {
                padding: 20px 0;
            }
            .star-rating {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .btn {
                padding: 10px 24px;
                font-size: 0.9rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #b85c2e;
            color: #fff;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
            cursor: pointer;
            transition: background 0.25s, transform 0.2s;
            border: none;
            z-index: 999;
        }
        .scroll-top:hover {
            background: #9e4a22;
            transform: translateY(-4px);
        }
        .schema-hidden {
            display: none;
        }