*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f8f9fc;
            color: #1a1a2e;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a { color: #2b5f8a; text-decoration: none; transition: color 0.2s; }
        a:hover { color: #c44536; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; border-radius: 12px; }
        h1, h2, h3, h4 { font-weight: 700; line-height: 1.25; color: #0f0f1f; }
        h1 { font-size: 2.4rem; margin-bottom: 0.5rem; }
        h2 { font-size: 1.8rem; margin: 2.5rem 0 1rem; border-left: 5px solid #c44536; padding-left: 1rem; }
        h3 { font-size: 1.3rem; margin: 1.8rem 0 0.8rem; color: #1e3a5f; }
        h4 { font-size: 1.1rem; margin: 1.2rem 0 0.5rem; color: #2b5f8a; }
        p { margin-bottom: 1.2rem; }
        ul, ol { margin: 0.8rem 0 1.2rem 2rem; }
        li { margin-bottom: 0.4rem; }
        strong { color: #c44536; font-weight: 700; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.2rem; }
        .site-header {
            background: linear-gradient(135deg, #0f0f1f 0%, #1a1a3e 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            background: linear-gradient(135deg, #f7b731, #c44536);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            transition: opacity 0.2s;
        }
        .my-logo:hover { opacity: 0.85; text-decoration: none; }
        .my-logo small { font-size: 0.7rem; display: block; -webkit-text-fill-color: #aaa; color: #aaa; letter-spacing: 1px; }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255,255,255,0.3);
            color: #fff;
            font-size: 1.6rem;
            padding: 0.3rem 0.7rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover { background: rgba(255,255,255,0.1); }
        .nav-menu {
            display: flex;
            gap: 1.2rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #ddd;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: all 0.2s;
        }
        .nav-menu a:hover {
            color: #f7b731;
            border-bottom-color: #f7b731;
            text-decoration: none;
        }
        .nav-menu a i { margin-right: 0.3rem; }
        .breadcrumb {
            background: #eef0f5;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #dce0e8;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #888;
            margin-right: 0.6rem;
        }
        .breadcrumb a { color: #2b5f8a; }
        .breadcrumb .current { color: #555; font-weight: 500; }
        .main-content {
            flex: 1;
            padding: 2rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .article-body { min-width: 0; }
        .sidebar { min-width: 0; }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 4px 24px rgba(0,0,0,0.06);
            margin-bottom: 1.8rem;
            border: 1px solid #eef0f5;
        }
        .sidebar-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 2px solid #f0f0f5;
            padding-bottom: 0.6rem;
        }
        .sidebar-card ul { list-style: none; margin: 0.8rem 0 0; }
        .sidebar-card li { margin-bottom: 0.5rem; }
        .sidebar-card li a { display: block; padding: 0.3rem 0; font-weight: 500; }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin: 1.2rem 0;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 2px solid #dce0e8;
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus { border-color: #c44536; }
        .search-form button {
            background: #c44536;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 0.7rem 1.4rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover { background: #a83226; }
        .interaction-area {
            background: #fff;
            border-radius: 16px;
            padding: 2rem;
            margin-top: 3rem;
            box-shadow: 0 4px 24px rgba(0,0,0,0.06);
            border: 1px solid #eef0f5;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #dce0e8;
            border-radius: 12px;
            font-size: 0.95rem;
            margin-bottom: 0.8rem;
            font-family: inherit;
            resize: vertical;
        }
        .comment-form textarea:focus,
        .comment-form input:focus { border-color: #c44536; outline: none; }
        .comment-form button,
        .score-form button {
            background: #1e3a5f;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 0.6rem 1.8rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comment-form button:hover,
        .score-form button:hover { background: #2b5f8a; }
        .score-stars { display: flex; gap: 0.3rem; font-size: 1.8rem; color: #dce0e8; cursor: pointer; margin: 0.5rem 0; }
        .score-stars i.active { color: #f7b731; }
        .score-form select {
            padding: 0.6rem 1rem;
            border: 2px solid #dce0e8;
            border-radius: 12px;
            font-size: 1rem;
            margin-bottom: 0.8rem;
            background: #fff;
        }
        .site-footer {
            background: #0f0f1f;
            color: #bbb;
            padding: 2.5rem 0 1.5rem;
            border-top: 4px solid #c44536;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .site-footer h4 { color: #f7b731; margin-bottom: 0.8rem; }
        .site-footer a { color: #aaa; }
        .site-footer a:hover { color: #f7b731; }
        friend-link {
            display: block;
            margin-top: 0.8rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1rem;
            padding: 0.2rem 0;
        }
        .copyright {
            border-top: 1px solid #2a2a4a;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: #777;
        }
        .copyright strong { color: #bbb; }
        @media (max-width: 900px) {
            .content-grid { grid-template-columns: 1fr; }
            .interaction-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.4rem; }
        }
        @media (max-width: 680px) {
            .nav-toggle { display: block; }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 1rem 0 0.5rem;
                gap: 0.5rem;
                border-top: 1px solid rgba(255,255,255,0.1);
                margin-top: 0.5rem;
            }
            .nav-menu.open { display: flex; }
            .nav-menu a { padding: 0.5rem 0; font-size: 1rem; }
            .header-inner { gap: 0.3rem; }
            .my-logo { font-size: 1.4rem; }
            .footer-grid { grid-template-columns: 1fr; }
            .sidebar { order: -1; }
        }
        .tag { display: inline-block; background: #eef0f5; padding: 0.2rem 0.8rem; border-radius: 30px; font-size: 0.8rem; color: #555; margin: 0.2rem 0.2rem; }
        .divider { height: 1px; background: linear-gradient(to right, transparent, #dce0e8, transparent); margin: 2rem 0; }
        .highlight-box { background: #f0f4fa; border-left: 4px solid #c44536; padding: 1.2rem 1.5rem; border-radius: 0 12px 12px 0; margin: 1.5rem 0; }
        .quote { font-style: italic; color: #2b5f8a; background: #f8f9fc; padding: 1rem 1.5rem; border-radius: 12px; border: 1px solid #eef0f5; margin: 1.2rem 0; }
        .emoji-lg { font-size: 1.4rem; }
        .last-updated { color: #888; font-size: 0.85rem; margin-bottom: 1.5rem; display: flex; align-items: center; gap: 0.4rem; }
        .img-wrapper { margin: 1.5rem 0; border-radius: 12px; overflow: hidden; box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
        .img-wrapper figcaption { background: #f8f9fc; padding: 0.6rem 1rem; font-size: 0.85rem; color: #666; text-align: center; }