* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
            line-height: 1.7;
            color: #1e1e2a;
            background: #faf9f6;
            padding: 0;
            margin: 0;
        }
        a {
            color: #c4302b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #8b1e1a;
            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;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #1a1a2e;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #c4302b;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #c4302b;
            padding-left: 1rem;
            margin-top: 2.4rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #2d2d44;
        }
        h4 {
            font-size: 1.15rem;
            color: #3d3d55;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.1rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: #fff;
            padding: 0 0 0.3rem 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;
            flex-wrap: wrap;
            padding: 0.8rem 0;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            color: #fff;
            background: #c4302b;
            padding: 0.2rem 1.2rem;
            border-radius: 40px;
            letter-spacing: -0.5px;
            text-decoration: none;
            display: inline-block;
            transition: transform 0.2s, background 0.2s;
        }
        .my-logo:hover {
            background: #e63946;
            transform: scale(1.03);
            text-decoration: none;
            color: #fff;
        }
        .my-logo span {
            font-weight: 300;
            color: #ffd166;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 0.2rem;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            color: #eaeaea;
            padding: 0.5rem 0.9rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: background 0.2s, color 0.2s;
            text-decoration: none;
        }
        .nav-list li a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #ffd166;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #f0eee9;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #888;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb .current {
            color: #c4302b;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #f5f0eb, #fff);
            padding: 2.5rem 0 2rem;
            border-bottom: 1px solid #e4dfd8;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }
        .hero h1 {
            font-size: 2.8rem;
            margin-top: 0;
            border-bottom: none;
            padding-bottom: 0;
        }
        .hero .sub {
            font-size: 1.2rem;
            color: #444;
            margin: 0.6rem 0 1.2rem;
        }
        .hero .meta {
            font-size: 0.9rem;
            color: #777;
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
        }
        .hero .meta i {
            margin-right: 0.3rem;
        }
        .hero-img-wrap {
            background: #e8e2da;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
        }
        .hero-img-wrap img {
            width: 100%;
            height: auto;
            display: block;
        }
        .search-section {
            background: #fff;
            padding: 1.5rem 0;
            border-bottom: 1px solid #eae5de;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 0.75rem 1.2rem;
            border: 2px solid #ddd;
            border-radius: 60px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #c4302b;
        }
        .search-form button {
            background: #c4302b;
            color: #fff;
            border: none;
            padding: 0.75rem 1.8rem;
            border-radius: 60px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-form button:hover {
            background: #8b1e1a;
        }
        .content-area {
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .article-body {
            background: #fff;
            border-radius: 20px;
            padding: 2.2rem 2.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
        }
        .article-body p,
        .article-body li {
            font-size: 1.05rem;
            color: #2c2c3a;
        }
        .article-body .highlight-box {
            background: #f8f4ef;
            border-left: 6px solid #c4302b;
            padding: 1.2rem 1.8rem;
            border-radius: 10px;
            margin: 1.5rem 0;
        }
        .article-body .emoji-lg {
            font-size: 1.4rem;
            margin-right: 0.3rem;
        }
        .article-body .stat-badge {
            display: inline-block;
            background: #c4302b;
            color: #fff;
            padding: 0.1rem 0.8rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-right: 0.4rem;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2rem 0;
            font-size: 0.95rem;
        }
        .article-body table th {
            background: #1a1a2e;
            color: #fff;
            padding: 0.7rem 1rem;
            text-align: left;
        }
        .article-body table td {
            padding: 0.6rem 1rem;
            border-bottom: 1px solid #eae5de;
        }
        .article-body table tr:nth-child(even) {
            background: #f9f7f4;
        }
        .img-insert {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
        }
        .img-insert img {
            width: 100%;
        }
        .img-insert figcaption {
            background: #f8f4ef;
            padding: 0.6rem 1.2rem;
            font-size: 0.85rem;
            color: #666;
            text-align: center;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #efebe6;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-top: 0;
            border-bottom: 2px solid #c4302b;
            padding-bottom: 0.4rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0.6rem 0 0;
        }
        .sidebar-card ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0ede8;
        }
        .sidebar-card ul li a {
            font-weight: 500;
        }
        .interaction-area {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2.5rem;
            margin-top: 2.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
        }
        .interaction-area h2 {
            margin-top: 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 100px;
            transition: border 0.2s;
        }
        .comment-form textarea:focus {
            border-color: #c4302b;
            outline: none;
        }
        .comment-form .form-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin: 0.8rem 0;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1rem;
            border: 2px solid #ddd;
            border-radius: 60px;
            font-size: 0.95rem;
        }
        .comment-form .form-row input:focus {
            border-color: #c4302b;
            outline: none;
        }
        .comment-form .btn-primary {
            background: #c4302b;
            color: #fff;
            border: none;
            padding: 0.7rem 2.2rem;
            border-radius: 60px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comment-form .btn-primary:hover {
            background: #8b1e1a;
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            margin: 0.5rem 0 1rem;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #ffb703;
        }
        .rating-stars i {
            transition: color 0.15s;
        }
        friend-link {
            display: block;
            background: #f0eee9;
            padding: 1.8rem 0;
            margin-top: 2rem;
            border-top: 2px solid #ddd;
        }
        friend-link .container {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem 2rem;
            justify-content: center;
        }
        friend-link a {
            color: #444;
            font-weight: 500;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
        }
        friend-link a:hover {
            background: #c4302b;
            color: #fff;
            text-decoration: none;
        }
        footer {
            background: #1a1a2e;
            color: #ccc;
            padding: 2rem 0 1.5rem;
            font-size: 0.9rem;
        }
        footer .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        footer .copyright {
            color: #aaa;
        }
        footer .copyright strong {
            color: #eee;
        }
        @media (max-width: 860px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .article-body {
                padding: 1.5rem 1.2rem;
            }
            .interaction-area {
                padding: 1.5rem 1.2rem;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a1a2e;
                padding: 1rem 0;
                border-radius: 0 0 16px 16px;
                gap: 0;
            }
            .nav-list.show {
                display: flex;
            }
            .nav-list li a {
                display: block;
                padding: 0.7rem 1.5rem;
                border-radius: 0;
            }
            .hamburger {
                display: block;
            }
            .nav-wrapper {
                flex-wrap: wrap;
            }
            header .header-inner {
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 1.5rem;
                padding: 0.2rem 1rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .article-body p,
            .article-body li {
                font-size: 0.95rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
            .comment-form .form-row input {
                min-width: unset;
                width: 100%;
            }
            footer .container {
                flex-direction: column;
                text-align: center;
            }
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 10px;
            background: #c4302b;
            color: #fff;
            padding: 0.5rem 1.2rem;
            border-radius: 0 0 8px 8px;
            z-index: 9999;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #c4302b;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
            cursor: pointer;
            transition: transform 0.2s, background 0.2s;
            z-index: 999;
            border: none;
        }
        .scroll-top:hover {
            background: #8b1e1a;
            transform: translateY(-4px);
        }
        @media (max-width: 480px) {
            .scroll-top {
                bottom: 1rem;
                right: 1rem;
                width: 40px;
                height: 40px;
                font-size: 1.2rem;
            }
        }