*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background: #f5f2ed;
            color: #2d2a24;
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        :root {
            --deep-iron: #1a1a2e;
            --old-gold: #c9a84c;
            --winter-snow: #f0ede6;
            --night-black: #0f0e12;
            --dragon-red: #8b2c2c;
            --stone-gray: #4a4742;
            --soft-ivory: #faf8f4;
            --shadow-light: rgba(0, 0, 0, 0.06);
            --shadow-medium: rgba(0, 0, 0, 0.12);
            --shadow-heavy: rgba(0, 0, 0, 0.2);
            --border-light: #d6d0c4;
            --accent-green: #3a7d44;
            --link-blue: #2c5282;
            --link-hover: #c9a84c;
            --header-bg: #0f0e12;
            --card-bg: #ffffff;
            --star-color: #e8b830;
            --star-empty: #ccc5b8;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--deep-iron);
            margin-top: 1.8rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
            border-bottom: 3px solid var(--old-gold);
            padding-bottom: 0.6rem;
            display: inline-block;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid var(--old-gold);
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
            font-weight: 400;
        }
        a {
            color: var(--link-blue);
            text-decoration: none;
            transition: color 0.2s, border-bottom 0.2s;
            font-weight: 500;
        }
        a:hover,
        a:focus {
            color: var(--link-hover);
            text-decoration: underline;
        }
        strong,
        b {
            font-weight: 700;
            color: var(--deep-iron);
        }
        em {
            font-style: italic;
        }
        ul,
        ol {
            margin-bottom: 1.5rem;
            padding-left: 1.8rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
            box-shadow: 0 4px 16px var(--shadow-light);
        }
        figure {
            margin: 1.8rem 0;
        }
        figcaption {
            font-size: 0.9rem;
            color: var(--stone-gray);
            text-align: center;
            margin-top: 0.5rem;
            font-style: italic;
        }
        blockquote {
            border-left: 4px solid var(--old-gold);
            padding-left: 1.2rem;
            margin: 1.5rem 0;
            color: var(--stone-gray);
            font-style: italic;
            background: rgba(201, 168, 76, 0.06);
            padding: 1rem 1.5rem;
            border-radius: 0 10px 10px 0;
        }
        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 1.2rem;
            width: 100%;
        }
        .site-header {
            background: var(--header-bg);
            color: var(--winter-snow);
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px var(--shadow-heavy);
            border-bottom: 2px solid var(--old-gold);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--old-gold);
            text-transform: uppercase;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
            color: var(--old-gold);
        }
        .my-logo i {
            font-size: 1.8rem;
            color: var(--winter-snow);
        }
        .my-logo span {
            font-weight: 300;
            color: var(--winter-snow);
            font-size: 0.9rem;
            letter-spacing: 1px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: var(--winter-snow);
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .nav-menu a:hover,
        .nav-menu a:focus {
            background: var(--old-gold);
            color: var(--night-black);
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 0.3rem;
        }
        .hamburger {
            display: none;
            background: transparent;
            border: 2px solid var(--old-gold);
            color: var(--old-gold);
            font-size: 1.5rem;
            padding: 0.4rem 0.8rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: var(--old-gold);
            color: var(--night-black);
        }
        .breadcrumb {
            background: var(--soft-ivory);
            padding: 0.7rem 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.85rem;
            color: var(--stone-gray);
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 0.3rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.5rem;
            color: var(--old-gold);
            font-weight: 700;
        }
        .breadcrumb a {
            color: var(--link-blue);
        }
        .breadcrumb a:hover {
            color: var(--old-gold);
        }
        .breadcrumb .current {
            color: var(--stone-gray);
            font-weight: 600;
        }
        .main-content {
            flex: 1;
            padding: 2rem 0 3rem;
            background: var(--soft-ivory);
        }
        .article-body {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 2.2rem 2.5rem;
            box-shadow: 0 4px 24px var(--shadow-light);
            margin-bottom: 2.5rem;
        }
        @media (max-width:768px) {
            .article-body {
                padding: 1.2rem 1rem;
            }
        }
        .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            font-size: 0.9rem;
            color: var(--stone-gray);
            margin-bottom: 1.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed var(--border-light);
        }
        .meta-info i {
            margin-right: 0.4rem;
            color: var(--old-gold);
        }
        .last-updated {
            font-weight: 600;
            color: var(--deep-iron);
        }
        .toc {
            background: var(--soft-ivory);
            border: 1px solid var(--border-light);
            border-radius: 12px;
            padding: 1.5rem 2rem;
            margin-bottom: 2rem;
        }
        .toc summary {
            font-weight: 700;
            font-size: 1.2rem;
            cursor: pointer;
            color: var(--deep-iron);
        }
        .toc ol {
            margin: 0.8rem 0 0 0;
            padding-left: 1.5rem;
            columns: 2;
            column-gap: 2rem;
        }
        .toc li {
            margin-bottom: 0.3rem;
            break-inside: avoid;
        }
        .toc a {
            color: var(--link-blue);
        }
        .toc a:hover {
            color: var(--old-gold);
        }
        @media (max-width:600px) {
            .toc ol {
                columns: 1;
            }
        }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            padding: 0.8rem 0;
            margin: 1.2rem 0;
            list-style: none;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .link-list li {
            margin: 0;
        }
        .link-list a {
            background: rgba(201, 168, 76, 0.1);
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-size: 0.9rem;
            border: 1px solid transparent;
            transition: all 0.2s;
        }
        .link-list a:hover {
            background: var(--old-gold);
            color: var(--night-black);
            border-color: var(--old-gold);
            text-decoration: none;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 6px 28px var(--shadow-medium);
        }
        .search-section {
            background: var(--winter-snow);
            border-radius: 12px;
            padding: 1.8rem 2rem;
            margin: 2rem 0;
            border: 1px solid var(--border-light);
        }
        .search-section h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.8rem 1.2rem;
            border: 2px solid var(--border-light);
            border-radius: 30px;
            font-size: 1rem;
            background: var(--card-bg);
            transition: border 0.2s;
        }
        .search-form input[type="text"]:focus {
            border-color: var(--old-gold);
            outline: none;
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.2);
        }
        .search-form button {
            padding: 0.8rem 2rem;
            background: var(--old-gold);
            color: var(--night-black);
            border: none;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #b8942e;
            transform: scale(1.02);
        }
        .comments-section {
            background: var(--winter-snow);
            border-radius: 12px;
            padding: 1.8rem 2rem;
            margin: 2rem 0;
            border: 1px solid var(--border-light);
        }
        .comments-section h3 {
            margin-top: 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid var(--border-light);
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 110px;
            transition: border 0.2s;
            background: var(--card-bg);
        }
        .comment-form textarea:focus {
            border-color: var(--old-gold);
            outline: none;
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.15);
        }
        .comment-form .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 0.8rem 0;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 160px;
            padding: 0.7rem 1rem;
            border: 2px solid var(--border-light);
            border-radius: 10px;
            font-size: 1rem;
            background: var(--card-bg);
            transition: border 0.2s;
        }
        .comment-form .form-row input:focus {
            border-color: var(--old-gold);
            outline: none;
        }
        .comment-form button {
            padding: 0.7rem 2.2rem;
            background: var(--deep-iron);
            color: var(--winter-snow);
            border: none;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comment-form button:hover {
            background: var(--old-gold);
            color: var(--night-black);
        }
        .rating-section {
            background: var(--winter-snow);
            border-radius: 12px;
            padding: 1.8rem 2rem;
            margin: 2rem 0;
            border: 1px solid var(--border-light);
        }
        .rating-section h3 {
            margin-top: 0;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 2rem;
            margin: 0.6rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: var(--star-empty);
            transition: color 0.15s;
        }
        .star-rating label::before {
            content: "★";
        }
        .star-rating input:checked~label {
            color: var(--star-color);
        }
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: var(--star-color);
        }
        .rating-form button {
            padding: 0.6rem 2rem;
            background: var(--old-gold);
            color: var(--night-black);
            border: none;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            margin-top: 0.5rem;
            transition: background 0.2s;
        }
        .rating-form button:hover {
            background: #b8942e;
        }
        .rating-average {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--deep-iron);
            margin-bottom: 0.5rem;
        }
        .rating-average i {
            color: var(--star-color);
        }
        .site-footer {
            background: var(--night-black);
            color: var(--winter-snow);
            padding: 2.5rem 0 1rem;
            border-top: 3px solid var(--old-gold);
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-grid h4 {
            color: var(--old-gold);
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-grid a {
            color: #c5c0b5;
            display: block;
            padding: 0.2rem 0;
            font-weight: 400;
        }
        .footer-grid a:hover {
            color: var(--old-gold);
        }
        friend-link {
            display: block;
            margin-top: 0.5rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1rem;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: #a09888;
        }
        .copyright strong {
            color: var(--winter-snow);
        }
        @media (max-width:900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width:768px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.45rem;
            }
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--header-bg);
                padding: 0.8rem 0;
                border-top: 1px solid var(--old-gold);
                margin-top: 0.6rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 0.7rem 1rem;
                width: 100%;
                text-align: center;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .article-body {
                padding: 1rem 0.8rem;
            }
            .search-section,
            .comments-section,
            .rating-section {
                padding: 1.2rem 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .meta-info {
                flex-direction: column;
                gap: 0.4rem;
            }
        }
        @media (max-width:480px) {
            body {
                font-size: 15px;
            }
            .container {
                padding: 0 0.8rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .star-rating {
                font-size: 1.6rem;
            }
        }
        .text-gold {
            color: var(--old-gold);
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-0 {
            margin-top: 0;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 1.5rem 0;
        }
        @media (max-width:640px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }
        .schema-hidden {
            display: none;
        }
        .fa-spin-hover:hover {
            animation: fa-spin 1s ease-in-out;
        }
        @keyframes fa-spin {
            0% {
                transform: rotate(0deg);
            }
            100% {
                transform: rotate(360deg);
            }
        }