*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, 'Helvetica Neue', sans-serif;
            background: #f5f1eb;
            color: #2d2a24;
            line-height: 1.75;
            padding: 0;
            margin: 0;
        }
        a {
            color: #b8860b;
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease;
        }
        a:hover,
        a:focus-visible {
            color: #6b4c00;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(145deg, #1c2a1f 0%, #0f1a12 100%);
            padding: 16px 0;
            border-bottom: 4px solid #b8860b;
            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: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #f5d742;
            text-shadow: 2px 2px 0 #6b4c00, 4px 4px 0 rgba(0, 0, 0, 0.3);
            transition: transform 0.25s ease;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
            color: #ffec80;
        }
        .my-logo i {
            color: #d4a017;
            margin-right: 6px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #b8860b;
            color: #f5d742;
            font-size: 1.6rem;
            padding: 4px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(184, 134, 11, 0.2);
        }
        .nav-menu {
            display: flex;
            gap: 8px 20px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-menu a {
            color: #e8e0d0;
            font-weight: 600;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .nav-menu a:hover {
            background: rgba(245, 215, 66, 0.15);
            color: #f5d742;
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 5px;
            color: #d4a017;
        }
        .breadcrumb {
            background: #e8e0d0;
            padding: 10px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d6cbb8;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #8a7a60;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #6b4c00;
        }
        .breadcrumb .current {
            color: #3d352a;
            font-weight: 600;
        }
        main {
            padding: 30px 0 50px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media(max-width:992px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        .article-body h1 {
            font-size: 2.6rem;
            line-height: 1.2;
            color: #1c2a1f;
            margin-bottom: 10px;
            border-left: 6px solid #b8860b;
            padding-left: 16px;
        }
        .article-body h2 {
            font-size: 1.9rem;
            margin-top: 50px;
            margin-bottom: 16px;
            color: #1c2a1f;
            border-bottom: 3px solid #d4a017;
            padding-bottom: 6px;
        }
        .article-body h3 {
            font-size: 1.45rem;
            margin-top: 32px;
            margin-bottom: 10px;
            color: #2d4a2a;
        }
        .article-body h4 {
            font-size: 1.15rem;
            margin-top: 20px;
            margin-bottom: 6px;
            color: #4a3d28;
            font-weight: 700;
        }
        .article-body p {
            margin-bottom: 1.2rem;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.2rem;
        }
        .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 30px;
            font-size: 0.92rem;
            color: #6a5e4a;
            margin-bottom: 24px;
            padding: 10px 0;
            border-top: 1px solid #ddd2c0;
            border-bottom: 1px solid #ddd2c0;
        }
        .meta-info i {
            margin-right: 5px;
            color: #b8860b;
        }
        .last-updated {
            font-weight: 600;
            color: #3d352a;
        }
        .featured-image {
            margin: 24px 0 30px;
            border-radius: 14px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            overflow: hidden;
        }
        .featured-image img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: #e8e0d0;
            padding: 8px 16px;
            font-size: 0.9rem;
            color: #4a3d28;
            font-style: italic;
        }
        .sidebar {
            position: sticky;
            top: 110px;
            align-self: start;
        }
        .sidebar-card {
            background: #ffffffdd;
            backdrop-filter: blur(4px);
            border: 1px solid #ddd2c0;
            border-radius: 16px;
            padding: 24px 20px;
            margin-bottom: 24px;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            border-bottom: 2px solid #b8860b;
            padding-bottom: 6px;
            margin-bottom: 14px;
            color: #1c2a1f;
        }
        .sidebar-link-list {
            list-style: none;
            padding: 0;
        }
        .sidebar-link-list li {
            margin-bottom: 8px;
        }
        .sidebar-link-list a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 8px;
            border-radius: 6px;
            transition: background 0.2s;
            font-size: 0.92rem;
        }
        .sidebar-link-list a:hover {
            background: #e8e0d0;
            text-decoration: none;
        }
        .sidebar-link-list a i {
            color: #b8860b;
            font-size: 0.75rem;
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 14px;
            border: 2px solid #ccc5b6;
            border-radius: 30px;
            font-size: 0.95rem;
            background: #fff;
            transition: border 0.25s;
            outline: none;
        }
        .search-form input:focus {
            border-color: #b8860b;
        }
        .search-form button {
            background: #b8860b;
            border: none;
            color: #fff;
            padding: 0 18px;
            border-radius: 30px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s;
        }
        .search-form button:hover {
            background: #9a6f08;
            transform: scale(1.04);
        }
        .comment-box textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #ccc5b6;
            border-radius: 12px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 90px;
            background: #fff;
            transition: border 0.25s;
            outline: none;
            font-family: inherit;
        }
        .comment-box textarea:focus {
            border-color: #b8860b;
        }
        .comment-box .btn-row {
            display: flex;
            gap: 12px;
            margin-top: 10px;
            flex-wrap: wrap;
        }
        .btn {
            background: #b8860b;
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn:hover {
            background: #9a6f08;
            transform: scale(1.02);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #b8860b;
            color: #b8860b;
        }
        .btn-outline:hover {
            background: #b8860b;
            color: #fff;
        }
        .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: #d6cbb8;
            transition: color 0.2s, transform 0.1s;
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
            transform: scale(1.1);
        }
        friend-link {
            display: block;
            background: #1c2a1f;
            color: #e8e0d0;
            padding: 24px 0;
            margin-top: 40px;
            border-top: 4px solid #b8860b;
        }
        friend-link .container {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 28px;
            justify-content: center;
        }
        friend-link a {
            color: #f5d742;
            font-weight: 500;
            transition: color 0.2s;
        }
        friend-link a:hover {
            color: #ffec80;
            text-decoration: underline;
        }
        .site-footer {
            background: #0f1a12;
            color: #c4b8a4;
            padding: 28px 0 18px;
            font-size: 0.92rem;
            text-align: center;
        }
        .site-footer .copyright {
            margin-top: 8px;
            border-top: 1px solid #2d4a2a;
            padding-top: 14px;
            font-size: 0.85rem;
            color: #8a7a60;
        }
        .site-footer a {
            color: #d4a017;
        }
        @media(max-width:768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding-top: 12px;
                border-top: 1px solid #2d4a2a;
                margin-top: 6px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                width: 100%;
                padding: 10px 8px;
            }
            .article-body h1 {
                font-size: 1.9rem;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
            .meta-info {
                flex-direction: column;
                gap: 6px;
            }
            .sidebar {
                position: static;
            }
            .star-rating {
                font-size: 1.5rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .header-inner {
                gap: 8px;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 12px;
            }
            .article-body h1 {
                font-size: 1.6rem;
                padding-left: 10px;
            }
            .btn {
                padding: 8px 20px;
                font-size: 0.85rem;
            }
            .search-form input {
                font-size: 0.85rem;
                padding: 8px 12px;
            }
        }
        .schema-hidden {
            display: none;
        }
        .highlight {
            background: #fdf5e6;
            padding: 4px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.4em;
            margin-right: 4px;
        }
        .divider {
            height: 2px;
            background: linear-gradient(to right, transparent, #b8860b, transparent);
            margin: 40px 0;
        }
        .tip-box {
            background: #f0ebe0;
            border-left: 5px solid #b8860b;
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }
        .tip-box strong {
            color: #1c2a1f;
        }