*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #faf8f5;
            color: #1e1e1e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #c62828;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #b71c1c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.4rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        :root {
            --spider-red: #c62828;
            --spider-dark: #1a1a2e;
            --spider-blue: #0d47a1;
            --spider-gray: #f0ece8;
            --spider-light: #fffdfa;
            --spider-accent: #ffb300;
            --spider-text: #2c2c2c;
            --spider-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .site-header {
            background: linear-gradient(135deg, #0d0d1a 0%, #1a1a2e 100%);
            padding: 0.8rem 0;
            border-bottom: 4px solid var(--spider-red);
            position: relative;
            z-index: 100;
            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: 0.8rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #ffb300, #ff8f00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: var(--spider-red);
            font-size: 2rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: initial;
            color: #aaa;
            display: block;
            letter-spacing: 1px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            transition: transform 0.2s;
        }
        .nav-toggle:hover {
            transform: scale(1.1);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e0e0e0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover {
            background: rgba(198, 40, 40, 0.25);
            color: #fff;
            text-decoration: none;
        }
        .main-nav a.active {
            background: var(--spider-red);
            color: #fff;
        }
        .breadcrumb {
            background: #f5f0eb;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #e0d8d0;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #999;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: var(--spider-red);
        }
        .breadcrumb .current {
            color: var(--spider-dark);
            font-weight: 600;
        }
        .main-content {
            padding: 2.5rem 0 3rem;
        }
        .hero {
            background: linear-gradient(145deg, #1a1a2e, #2d2d44);
            color: #fff;
            padding: 2.5rem 2rem;
            border-radius: 20px;
            margin-bottom: 2.5rem;
            position: relative;
            overflow: hidden;
            box-shadow: var(--spider-shadow);
        }
        .hero::after {
            content: "🕷️";
            position: absolute;
            right: -20px;
            bottom: -20px;
            font-size: 12rem;
            opacity: 0.08;
            pointer-events: none;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 0.8rem;
            background: linear-gradient(135deg, #ffb300, #ff6f00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 700px;
            opacity: 0.9;
            margin-bottom: 0.5rem;
        }
        .hero .meta {
            font-size: 0.9rem;
            opacity: 0.7;
            margin-top: 0.8rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .hero .meta i {
            margin-right: 0.3rem;
        }
        .article-body h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--spider-dark);
            margin: 2.2rem 0 1rem 0;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--spider-red);
            position: relative;
        }
        .article-body h2 i {
            color: var(--spider-red);
            margin-right: 0.5rem;
        }
        .article-body h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #2d2d44;
            margin: 1.8rem 0 0.8rem 0;
        }
        .article-body h3 i {
            color: var(--spider-blue);
            margin-right: 0.5rem;
        }
        .article-body h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #444;
            margin: 1.2rem 0 0.5rem 0;
        }
        .article-body p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: var(--spider-text);
        }
        .article-body .highlight-box {
            background: #fff8e7;
            border-left: 5px solid var(--spider-accent);
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .article-body .highlight-box strong {
            color: var(--spider-red);
        }
        .article-body .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1.2rem;
            margin: 1.5rem 0;
        }
        .article-body .stat-card {
            background: var(--spider-light);
            border: 1px solid #e8e0d8;
            border-radius: 14px;
            padding: 1.2rem 1rem;
            text-align: center;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .article-body .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
        }
        .article-body .stat-card .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--spider-red);
        }
        .article-body .stat-card .label {
            font-size: 0.9rem;
            color: #666;
            margin-top: 0.2rem;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--spider-shadow);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        .featured-image figcaption {
            background: #f5f0eb;
            padding: 0.6rem 1rem;
            font-size: 0.9rem;
            color: #555;
            text-align: center;
        }
        .search-section {
            background: var(--spider-light);
            border: 1px solid #e8e0d8;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 2.5rem 0;
            box-shadow: var(--spider-shadow);
        }
        .search-section h3 {
            margin-top: 0;
            margin-bottom: 0.8rem;
            font-size: 1.5rem;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #ddd;
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: var(--spider-red);
        }
        .search-form button {
            background: var(--spider-red);
            color: #fff;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-form button:hover {
            background: #b71c1c;
            transform: scale(1.02);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        @media (max-width: 700px) {
            .interaction-grid {
                grid-template-columns: 1fr;
            }
        }
        .card-interact {
            background: var(--spider-light);
            border: 1px solid #e8e0d8;
            border-radius: 16px;
            padding: 1.8rem 1.8rem 2rem;
            box-shadow: var(--spider-shadow);
        }
        .card-interact h3 {
            margin-top: 0;
            margin-bottom: 1rem;
            font-size: 1.3rem;
        }
        .card-interact h3 i {
            color: var(--spider-red);
            margin-right: 0.4rem;
        }
        .card-interact form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .card-interact form input,
        .card-interact form textarea {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #e0d8d0;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border 0.2s;
        }
        .card-interact form input:focus,
        .card-interact form textarea:focus {
            border-color: var(--spider-red);
        }
        .card-interact form textarea {
            min-height: 90px;
            resize: vertical;
        }
        .card-interact form button {
            align-self: flex-start;
            background: var(--spider-dark);
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .card-interact form button:hover {
            background: #2d2d44;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            margin-bottom: 0.5rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.2s, transform 0.1s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: var(--spider-accent);
            transform: scale(1.1);
        }
        .star-rating label i {
            pointer-events: none;
        }
        .toc {
            background: #f5f0eb;
            border-radius: 14px;
            padding: 1.2rem 1.8rem;
            margin: 1.8rem 0 2.2rem;
            border: 1px solid #e0d8d0;
        }
        .toc summary {
            font-weight: 700;
            font-size: 1.2rem;
            cursor: pointer;
            color: var(--spider-dark);
        }
        .toc ol {
            padding-left: 1.2rem;
            margin-top: 0.8rem;
        }
        .toc ol li {
            margin-bottom: 0.3rem;
        }
        .toc ol a {
            color: var(--spider-blue);
        }
        .site-footer {
            background: linear-gradient(135deg, #0d0d1a, #1a1a2e);
            color: #ccc;
            padding: 2.5rem 0 1.8rem;
            margin-top: 2rem;
            border-top: 4px solid var(--spider-red);
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        @media (max-width: 700px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        .footer-inner h4 {
            color: var(--spider-accent);
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
        }
        .footer-inner p,
        .footer-inner a {
            color: #bbb;
            font-size: 0.9rem;
        }
        .footer-inner a:hover {
            color: #fff;
        }
        friend-link {
            display: block;
            margin-top: 0.4rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1rem;
            color: #ffb74d;
        }
        friend-link a:hover {
            color: #fff;
        }
        .footer-copy {
            text-align: center;
            border-top: 1px solid #333;
            padding-top: 1.5rem;
            margin-top: 1.5rem;
            font-size: 0.85rem;
            color: #888;
        }
        .footer-copy strong {
            color: #ddd;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 0 0.5rem;
                gap: 0.6rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 0.5rem 0.8rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero {
                padding: 1.8rem 1.2rem;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .my-logo i {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .search-form input {
                min-width: 120px;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .schema-hide {
            display: none;
        }
        .text-muted {
            color: #777;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }