*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, Roboto, 'Helvetica Neue', sans-serif;
            background: #faf7f2;
            color: #1e2a2f;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #c44536;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #a13226;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: #1a2a2f;
            line-height: 1.3;
            margin-top: 0;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.8rem;
            margin-top: 2.8rem;
            margin-bottom: 0.6rem;
            border-left: 5px solid #c44536;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 2rem;
            margin-bottom: 0.5rem;
            color: #2d3f45;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.5rem;
            margin-bottom: 0.4rem;
            color: #3e555c;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #2c3e44;
        }
        strong,
        b {
            color: #1a2a2f;
            font-weight: 700;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(145deg, #1e3a3f 0%, #153035 100%);
            color: #fff;
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.8rem 20px;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: #f5e6d3;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: opacity 0.25s;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .my-logo i {
            color: #e8b84b;
            font-size: 1.7rem;
        }
        .my-logo span {
            font-weight: 300;
            color: #c7b5a3;
            font-size: 0.9rem;
            display: none;
        }
        @media (min-width:640px) {
            .my-logo span {
                display: inline;
            }
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .main-nav {
            display: none;
            flex-direction: column;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #1a3238;
            padding: 1rem 20px 1.5rem;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
            border-top: 2px solid #e8b84b;
            z-index: 999;
        }
        .main-nav.active {
            display: flex;
        }
        .main-nav a {
            color: #e8ddd4;
            padding: 0.6rem 0;
            font-size: 1.05rem;
            font-weight: 500;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: color 0.2s, padding-left 0.2s;
        }
        .main-nav a:hover {
            color: #e8b84b;
            padding-left: 6px;
            text-decoration: none;
        }
        .main-nav a i {
            width: 24px;
            color: #e8b84b;
        }
        .hamburger {
            background: none;
            border: none;
            color: #f5e6d3;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .hamburger .close-icon {
            display: none;
        }
        .hamburger.active .open-icon {
            display: none;
        }
        .hamburger.active .close-icon {
            display: inline;
        }
        @media (min-width:868px) {
            .hamburger {
                display: none;
            }
            .main-nav {
                display: flex !important;
                flex-direction: row;
                position: static;
                background: transparent;
                padding: 0;
                border: none;
                box-shadow: none;
                gap: 6px;
            }
            .main-nav a {
                padding: 0.5rem 0.9rem;
                border-bottom: none;
                border-radius: 6px;
                font-size: 0.95rem;
            }
            .main-nav a:hover {
                background: rgba(255, 255, 255, 0.08);
                padding-left: 0.9rem;
            }
        }
        .breadcrumb {
            background: #ede7df;
            padding: 0.6rem 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #d9cec0;
        }
        .breadcrumb-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
        }
        .breadcrumb a {
            color: #5a4a3e;
        }
        .breadcrumb a:hover {
            color: #c44536;
        }
        .breadcrumb span {
            color: #7a6a5e;
            margin: 0 4px;
        }
        .breadcrumb .current {
            color: #1e2a2f;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #1e3a3f 0%, #2c4e55 50%, #1a2f33 100%);
            color: #fff;
            padding: 3rem 20px 3.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "♛ ♝ ♚ ♞";
            font-size: 8rem;
            position: absolute;
            bottom: -20px;
            right: -20px;
            opacity: 0.06;
            letter-spacing: 20px;
            pointer-events: none;
        }
        .hero h1 {
            color: #f5e6d3;
            font-size: 2.6rem;
            max-width: 800px;
            margin: 0 auto 0.5rem;
        }
        .hero h1 i {
            color: #e8b84b;
        }
        .hero p {
            color: #d4c9bd;
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 0.8rem;
        }
        .hero .badge {
            display: inline-block;
            background: #e8b84b;
            color: #1e2a2f;
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            margin-top: 0.6rem;
        }
        .hero .badge i {
            margin-right: 6px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            padding: 2.5rem 20px 3rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        @media (min-width:992px) {
            .content-grid {
                grid-template-columns: 1fr 300px;
            }
        }
        .main-article {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 1.8rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
        }
        @media (min-width:640px) {
            .main-article {
                padding: 2.8rem 2.8rem;
            }
        }
        .sidebar {
            background: #fff;
            border-radius: 20px;
            padding: 1.8rem 1.5rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            margin-top: 0;
            border-bottom: 2px solid #ede7df;
            padding-bottom: 0.7rem;
            margin-bottom: 1rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #f0ebe4;
        }
        .sidebar li a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #2c3e44;
        }
        .sidebar li a:hover {
            color: #c44536;
        }
        .featured-image {
            margin: 2rem 0 2.2rem;
            border-radius: 16px;
            overflow: hidden;
            background: #ede7df;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .featured-image img {
            width: 100%;
            object-fit: cover;
            min-height: 200px;
            background: #d4c9bd;
        }
        .featured-image figcaption {
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #5a4a3e;
            background: #f8f4ef;
            font-style: italic;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8rem 0;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
        }
        .data-table th {
            background: #1e3a3f;
            color: #f5e6d3;
            padding: 0.8rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #ede7df;
            background: #fcfaf8;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #f5efe8;
        }
        .form-card {
            background: #f8f4ef;
            border-radius: 16px;
            padding: 1.8rem 1.5rem;
            margin: 2rem 0 1.5rem;
            border: 1px solid #e3d9ce;
        }
        .form-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #1e2a2f;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #d9cec0;
            border-radius: 10px;
            font-size: 1rem;
            background: #fff;
            transition: border-color 0.25s, box-shadow 0.25s;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #c44536;
            box-shadow: 0 0 0 4px rgba(196, 69, 54, 0.12);
            outline: none;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #c44536;
            color: #fff;
            border: none;
            padding: 0.8rem 2rem;
            font-size: 1.05rem;
            font-weight: 600;
            border-radius: 10px;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: inherit;
        }
        .btn:hover {
            background: #a13226;
            transform: translateY(-1px);
            text-decoration: none;
        }
        .btn:active {
            transform: scale(0.97);
        }
        .btn-secondary {
            background: #3e6b73;
        }
        .btn-secondary:hover {
            background: #2c545c;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            font-size: 1.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #d9cec0;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #e8b84b;
        }
        .site-footer {
            background: #1a2a2f;
            color: #d4c9bd;
            padding: 2.5rem 20px 1.5rem;
            margin-top: 2rem;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width:700px) {
            .footer-inner {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }
        .footer-inner h4 {
            color: #f5e6d3;
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 2px solid #3e6b73;
            padding-bottom: 0.5rem;
            display: inline-block;
        }
        .footer-inner a {
            color: #c7b5a3;
        }
        .footer-inner a:hover {
            color: #e8b84b;
        }
        .footer-inner ul {
            list-style: none;
            padding: 0;
        }
        .footer-inner li {
            padding: 0.3rem 0;
        }
        .footer-inner friend-link {
            display: block;
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid #2d4a50;
        }
        .footer-inner friend-link a {
            display: inline-block;
            margin: 0.3rem 1rem 0.3rem 0;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #2d4a50;
            font-size: 0.9rem;
            color: #8f7e6e;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
        }
        .copyright strong {
            color: #c7b5a3;
        }
        @media (max-width:420px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .main-article {
                padding: 1.2rem 1rem;
            }
            .form-card {
                padding: 1.2rem 1rem;
            }
            .data-table {
                font-size: 0.8rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.5rem 0.6rem;
            }
        }
        @media (min-width:640px) and (max-width:868px) {
            .main-nav {
                padding: 1rem 20px 1.5rem;
            }
        }
        .last-update {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #ede7df;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #5a4a3e;
            margin-bottom: 1.5rem;
        }
        .last-update i {
            color: #c44536;
        }
        .schema-hidden {
            display: none;
        }
        .anchor-offset {
            scroll-margin-top: 90px;
        }
        .highlight-box {
            background: #f0ebe4;
            border-left: 5px solid #e8b84b;
            padding: 1.2rem 1.5rem;
            border-radius: 12px;
            margin: 1.5rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .insight-tag {
            display: inline-block;
            background: #1e3a3f;
            color: #f5e6d3;
            font-size: 0.75rem;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .comment-item {
            padding: 1rem 0;
            border-bottom: 1px solid #ede7df;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-item .author {
            font-weight: 700;
            color: #1e3a3f;
        }
        .comment-item .date {
            font-size: 0.8rem;
            color: #7a6a5e;
            margin-left: 0.8rem;
        }
        .comment-item .stars {
            color: #e8b84b;
            font-size: 0.9rem;
        }