*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f5f7fb;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #2d6a9f;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e84c3d;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 0.8rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
            border-radius: 24px;
            padding: 1.5rem 2rem 2rem;
            margin-top: 1.2rem;
            margin-bottom: 2rem;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 0.8rem 0 1rem;
            border-bottom: 2px solid #eef0f5;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #e84c3d, #f5a623);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform 0.2s;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #666;
            color: #666;
            display: block;
            font-weight: 400;
            letter-spacing: 0.2px;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            background: none;
            border: none;
            color: #1a1a2e;
            padding: 0.2rem 0.5rem;
        }
        .nav-menu {
            display: flex;
            gap: 1.2rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-menu a {
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            color: #1a1a2e;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .nav-menu a:hover {
            border-bottom-color: #e84c3d;
            text-decoration: none;
            color: #e84c3d;
        }
        .nav-menu .active {
            border-bottom-color: #e84c3d;
            color: #e84c3d;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.2rem;
            font-size: 0.85rem;
            color: #666;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #bbb;
        }
        .breadcrumb a {
            color: #2d6a9f;
        }
        .breadcrumb a:hover {
            color: #e84c3d;
        }
        h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.25;
            margin: 1.4rem 0 0.6rem;
            color: #0d0d1a;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 2.4rem 0 1rem;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #f0f2f7;
            color: #1a1a2e;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 1.8rem 0 0.8rem;
            color: #2d2d44;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 1.2rem 0 0.5rem;
            color: #3d3d56;
        }
        p {
            margin: 0.8rem 0;
            color: #2c2c3e;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #3d3d56;
            line-height: 1.8;
            background: #f9faff;
            padding: 1rem 1.4rem;
            border-radius: 16px;
            border-left: 4px solid #e84c3d;
        }
        .last-updated {
            display: inline-block;
            background: #f0f2f7;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #555;
            margin: 0.4rem 0 1.2rem;
        }
        .featured-figure {
            margin: 1.8rem 0 2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .featured-figure figcaption {
            padding: 0.8rem 1.2rem;
            background: #f9faff;
            font-size: 0.9rem;
            color: #555;
            font-style: italic;
        }
        .search-box {
            display: flex;
            max-width: 520px;
            margin: 1.6rem 0 2rem;
            border-radius: 50px;
            overflow: hidden;
            border: 1px solid #dde0e8;
            background: #fff;
            transition: box-shadow 0.2s;
        }
        .search-box:focus-within {
            box-shadow: 0 0 0 3px rgba(232, 76, 61, 0.15);
            border-color: #e84c3d;
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 0.8rem 1.2rem;
            font-size: 1rem;
            outline: none;
            background: transparent;
            min-width: 0;
        }
        .search-box button {
            background: #e84c3d;
            color: #fff;
            border: none;
            padding: 0 1.6rem;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-box button:hover {
            background: #c73a2d;
        }
        .rating-area {
            background: #f9faff;
            border-radius: 18px;
            padding: 1.6rem 2rem;
            margin: 2rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1.2rem 2.5rem;
            border: 1px solid #eef0f5;
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.15s;
        }
        .rating-stars .star {
            transition: color 0.15s, transform 0.1s;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #f5a623;
            transform: scale(1.1);
        }
        .rating-stars .star:hover~.star {
            color: #ddd;
        }
        .rating-value {
            font-weight: 700;
            font-size: 1.3rem;
            color: #1a1a2e;
        }
        .rating-count {
            color: #777;
            font-size: 0.9rem;
        }
        .comments-section {
            margin: 2.8rem 0 1.5rem;
            border-top: 2px solid #eef0f5;
            padding-top: 2rem;
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 640px;
            margin: 1.2rem 0 2rem;
        }
        .comment-form input,
        .comment-form textarea {
            padding: 0.8rem 1.2rem;
            border: 1px solid #dde0e8;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            outline: none;
            transition: border 0.2s;
            background: #fff;
        }
        .comment-form input:focus,
        .comment-form textarea:focus {
            border-color: #e84c3d;
            box-shadow: 0 0 0 3px rgba(232, 76, 61, 0.08);
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-form button {
            align-self: flex-start;
            background: #e84c3d;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .comment-form button:hover {
            background: #c73a2d;
            transform: translateY(-1px);
        }
        .comment-list {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            max-width: 700px;
        }
        .comment-item {
            background: #f9faff;
            padding: 1.2rem 1.5rem;
            border-radius: 16px;
            border: 1px solid #eef0f5;
        }
        .comment-item strong {
            color: #1a1a2e;
        }
        .comment-item .date {
            font-size: 0.8rem;
            color: #999;
            margin-left: 0.8rem;
        }
        friend-link {
            display: block;
            background: #f9faff;
            border-radius: 18px;
            padding: 1.5rem 2rem;
            margin: 2.5rem 0 1rem;
            border: 1px solid #eef0f5;
        }
        friend-link .fl-head {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
            color: #1a1a2e;
        }
        friend-link .fl-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.4rem;
        }
        friend-link .fl-list a {
            font-size: 0.95rem;
        }
        .site-footer {
            border-top: 2px solid #eef0f5;
            padding: 1.5rem 0 1rem;
            margin-top: 2rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.9rem;
            color: #666;
        }
        .site-footer .copyright {
            font-weight: 500;
        }
        @media (max-width: 820px) {
            .container {
                padding: 1rem 1.2rem 1.5rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .rating-area {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.8rem;
            }
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 1rem 0 0.8rem;
                gap: 0.6rem;
                border-top: 1px solid #eef0f5;
                margin-top: 0.8rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 0.4rem 0;
                font-size: 1rem;
            }
            .site-header {
                align-items: center;
            }
            .search-box {
                max-width: 100%;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0.8rem 0.8rem 1.2rem;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .lead {
                font-size: 1rem;
                padding: 0.8rem 1rem;
            }
            .rating-stars {
                font-size: 1.5rem;
            }
            .comment-form button {
                width: 100%;
                justify-content: center;
            }
            .site-footer {
                flex-direction: column;
                text-align: center;
            }
            friend-link .fl-list {
                flex-direction: column;
                gap: 0.4rem;
            }
        }
        .schema-hidden {
            display: none;
        }
        .highlight {
            background: #fff6e5;
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .btn-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #e84c3d;
            color: #fff;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: 0 4px 16px rgba(232, 76, 61, 0.25);
            transition: transform 0.2s, opacity 0.2s;
            opacity: 0.8;
            z-index: 99;
            border: none;
            cursor: pointer;
        }
        .btn-top:hover {
            transform: translateY(-3px);
            opacity: 1;
            color: #fff;
            text-decoration: none;
        }
        @media (max-width: 480px) {
            .btn-top {
                bottom: 1rem;
                right: 1rem;
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
        }
        code {
            background: #f0f2f7;
            padding: 0.2rem 0.5rem;
            border-radius: 6px;
            font-size: 0.9em;
            font-family: 'Courier New', monospace;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        table th,
        table td {
            padding: 0.7rem 1rem;
            border: 1px solid #e0e3ec;
            text-align: left;
        }
        table th {
            background: #f0f2f7;
            font-weight: 600;
        }
        table tr:nth-child(even) {
            background: #fafbfd;
        }