* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #fcf9f5;
            color: #1e1e1e;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            padding: 0 1rem;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #c62828;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #8e0000;
            text-decoration: underline;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.25;
            color: #1a1a1a;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.2rem;
            border-bottom: 4px solid #c62828;
            padding-bottom: 0.4rem;
            display: inline-block;
        }
        h2 {
            font-size: 1.75rem;
            border-left: 5px solid #c62828;
            padding-left: 1rem;
            margin-top: 2.8rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #2d2d2d;
            margin-top: 2rem;
        }
        h4 {
            font-size: 1.15rem;
            color: #3d3d3d;
            margin-top: 1.5rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            max-width: 72ch;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.2rem 1.8rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            width: 100%;
            flex: 1;
        }
        .site-header {
            background: linear-gradient(145deg, #1a1a1a 0%, #2c2c2c 100%);
            color: #fff;
            padding: 0.8rem 1.5rem;
            border-radius: 0 0 24px 24px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
            position: relative;
            z-index: 10;
            margin-bottom: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #ff5252, #ff8a80, #ff5252);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 12px rgba(198, 40, 40, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #ff5252;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #fff;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem 1.2rem;
        }
        .main-nav a {
            color: #f0e6e6;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0.6rem;
            border-radius: 20px;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 82, 82, 0.25);
            color: #fff;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #c62828;
            color: #fff;
        }
        .breadcrumb {
            background: #f0ece8;
            padding: 0.5rem 1.2rem;
            border-radius: 40px;
            font-size: 0.9rem;
            margin-bottom: 1.8rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem 0.8rem;
            color: #555;
        }
        .breadcrumb a {
            color: #8e0000;
        }
        .breadcrumb span.sep {
            color: #999;
        }
        .hero {
            background: linear-gradient(135deg, #1f1f1f 0%, #3a1a1a 100%);
            border-radius: 28px;
            padding: 2.2rem 2rem 2.8rem;
            margin-bottom: 2.5rem;
            color: #f5f0eb;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "UNO";
            font-size: 12rem;
            font-weight: 900;
            color: rgba(255, 82, 82, 0.06);
            position: absolute;
            bottom: -2rem;
            right: -1rem;
            line-height: 1;
            pointer-events: none;
        }
        .hero h1 {
            color: #fff;
            border-bottom-color: #ff5252;
            font-size: 2.6rem;
            margin-top: 0;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 70ch;
            color: #e0d6d0;
        }
        .hero .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem 2rem;
            margin-top: 1.2rem;
            font-size: 0.95rem;
            color: #ccbeb4;
        }
        .hero .meta-info i {
            color: #ff8a80;
            margin-right: 0.4rem;
        }
        .search-section {
            background: #fff;
            border-radius: 20px;
            padding: 1.5rem 1.8rem;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
            margin-bottom: 2rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
        }
        .search-section form {
            display: flex;
            flex: 1 1 320px;
            gap: 0.6rem;
        }
        .search-section input[type="text"] {
            flex: 1;
            padding: 0.75rem 1.2rem;
            border: 2px solid #ddd;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.25s;
        }
        .search-section input[type="text"]:focus {
            border-color: #c62828;
        }
        .search-section button {
            background: #c62828;
            color: #fff;
            border: none;
            padding: 0.75rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-section button:hover {
            background: #8e0000;
        }
        .content-area {
            background: #fff;
            border-radius: 28px;
            padding: 2rem 2.2rem 3rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
            margin-bottom: 2.5rem;
        }
        .content-area img.featured {
            border-radius: 18px;
            margin: 1.5rem 0 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            width: 100%;
            max-height: 520px;
            object-fit: cover;
        }
        .interaction-box {
            display: flex;
            flex-wrap: wrap;
            gap: 1.8rem 2.5rem;
            background: #f8f4f0;
            border-radius: 24px;
            padding: 1.8rem 2rem;
            margin: 2.5rem 0 1.5rem;
            border: 1px solid #e8e0d8;
        }
        .rating-block,
        .comment-block {
            flex: 1 1 260px;
        }
        .rating-block h4,
        .comment-block h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
            font-size: 1.7rem;
            color: #ccc;
            cursor: pointer;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        .comment-block form {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }
        .comment-block textarea {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #ddd;
            border-radius: 16px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 80px;
            font-family: inherit;
            transition: border 0.25s;
        }
        .comment-block textarea:focus {
            border-color: #c62828;
            outline: none;
        }
        .comment-block input[type="text"] {
            padding: 0.6rem 1rem;
            border: 2px solid #ddd;
            border-radius: 30px;
            font-size: 0.95rem;
            transition: border 0.25s;
        }
        .comment-block input[type="text"]:focus {
            border-color: #c62828;
            outline: none;
        }
        .comment-block button {
            align-self: flex-start;
            background: #c62828;
            color: #fff;
            border: none;
            padding: 0.55rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comment-block button:hover {
            background: #8e0000;
        }
        .toc {
            background: #f5efe9;
            border-radius: 20px;
            padding: 1.5rem 2rem;
            margin: 1.8rem 0 2.2rem;
            border-left: 5px solid #c62828;
        }
        .toc h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .toc ol {
            columns: 2 240px;
            column-gap: 2rem;
            margin: 0.8rem 0 0 1.2rem;
        }
        .toc li {
            break-inside: avoid;
            margin-bottom: 0.3rem;
        }
        .toc a {
            color: #2d2d2d;
        }
        .toc a:hover {
            color: #c62828;
        }
        .site-footer {
            background: #1a1a1a;
            color: #d4ccc6;
            border-radius: 24px 24px 0 0;
            padding: 2rem 2rem 1.5rem;
            margin-top: 2rem;
        }
        .site-footer .footer-inner {
            max-width: 1120px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .site-footer friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.4rem;
            font-style: normal;
        }
        .site-footer friend-link a {
            color: #ffb3a0;
            font-size: 0.95rem;
        }
        .site-footer friend-link a:hover {
            color: #ff8a80;
        }
        .site-footer .copyright {
            width: 100%;
            text-align: center;
            margin-top: 1.8rem;
            padding-top: 1.2rem;
            border-top: 1px solid #333;
            font-size: 0.9rem;
            color: #988e86;
        }
        @media (max-width: 860px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 1rem;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 0.8rem;
                border-radius: 12px;
                white-space: normal;
            }
            .site-header {
                padding: 0.6rem 1rem;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero::after {
                font-size: 6rem;
                bottom: -1rem;
                right: -0.5rem;
            }
            .content-area {
                padding: 1.2rem 1rem 2rem;
            }
            .toc ol {
                columns: 1;
            }
            .interaction-box {
                flex-direction: column;
                gap: 1.5rem;
                padding: 1.2rem;
            }
            .search-section {
                padding: 1rem 1.2rem;
            }
            .search-section form {
                flex-wrap: wrap;
            }
            .search-section input[type="text"] {
                min-width: 160px;
            }
            .site-footer .footer-inner {
                flex-direction: column;
                gap: 1rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.5rem;
            }
            .hero {
                padding: 1.5rem 1.2rem 2rem;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
                padding: 0.3rem 0.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            p {
                font-size: 0.98rem;
            }
        }
        .highlight {
            background: linear-gradient(120deg, #ffd8d0 0%, #ffd8d0 40%, transparent 80%);
            padding: 0 0.2rem;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: #c62828;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.15rem 0.7rem;
            border-radius: 30px;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .emoji-big {
            font-size: 1.8rem;
            vertical-align: middle;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1.2rem;
            margin: 1.2rem 0;
        }
        .card-grid .card {
            background: #faf6f2;
            border-radius: 16px;
            padding: 1.2rem;
            border: 1px solid #e8e0d8;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .card-grid .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        .card-grid .card i {
            font-size: 1.8rem;
            color: #c62828;
            margin-bottom: 0.4rem;
        }
        .schema-hidden {
            display: none;
        }
        :target {
            scroll-margin-top: 90px;
        }