* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --spider-red: #e62429;
            --spider-blue: #1c2c5c;
            --spider-dark: #0b0e1a;
            --spider-light: #f5f6fa;
            --spider-accent: #f0c040;
            --text-body: #2d3436;
            --text-light: #636e72;
            --bg-card: #ffffff;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.10);
            --radius: 16px;
            --font-main: 'Segoe UI', system-ui, -apple-system, Roboto, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background: var(--spider-light);
            color: var(--text-body);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--spider-red);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--spider-blue);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--spider-dark);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
            border-bottom: 3px solid var(--spider-red);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.5px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            color: var(--spider-red);
            font-size: 2rem;
        }
        .my-logo:hover {
            color: var(--spider-accent);
            text-decoration: none;
            transform: scale(1.02);
        }
        .my-logo span {
            color: var(--spider-accent);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .main-nav a {
            color: #ddd;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
        }
        .main-nav a:hover {
            color: #fff;
            border-bottom-color: var(--spider-red);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            transition: var(--transition);
        }
        .hamburger:hover {
            color: var(--spider-accent);
        }
        .breadcrumb-wrap {
            background: #fff;
            padding: 12px 0;
            border-bottom: 1px solid #e0e0e0;
            font-size: 0.9rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--text-light);
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #bbb;
            font-weight: 700;
            margin-right: 4px;
        }
        .breadcrumb a {
            color: var(--spider-blue);
        }
        .breadcrumb .current {
            color: var(--spider-red);
            font-weight: 600;
        }
        .main-content {
            padding: 40px 0 60px;
        }
        .article-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px 36px;
            margin-bottom: 40px;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--spider-dark);
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        h1 i {
            color: var(--spider-red);
            margin-right: 12px;
        }
        .meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            color: var(--text-light);
            font-size: 0.95rem;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid #eee;
        }
        .meta-line i {
            margin-right: 6px;
            color: var(--spider-red);
        }
        .last-updated {
            font-weight: 600;
            color: var(--spider-blue);
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--spider-blue);
            margin-top: 48px;
            margin-bottom: 18px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--spider-red);
            display: inline-block;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--spider-dark);
            margin-top: 32px;
            margin-bottom: 14px;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--spider-blue);
            margin-top: 24px;
            margin-bottom: 10px;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: var(--text-body);
        }
        .feature-img {
            margin: 28px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            background: #eee;
        }
        .highlight-box {
            background: linear-gradient(135deg, #f8f0e0, #fff8e7);
            border-left: 5px solid var(--spider-accent);
            padding: 20px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
        }
        .highlight-box strong {
            color: var(--spider-red);
        }
        .insight-list {
            list-style: none;
            padding: 0;
            margin: 20px 0;
        }
        .insight-list li {
            padding: 12px 16px 12px 40px;
            background: #f9f9fc;
            margin-bottom: 8px;
            border-radius: 8px;
            position: relative;
            font-size: 1.02rem;
        }
        .insight-list li::before {
            content: "🕷️";
            position: absolute;
            left: 12px;
            top: 12px;
            font-size: 1.1rem;
        }
        .inline-link {
            font-weight: 600;
            color: var(--spider-red);
            padding: 0 2px;
        }
        .inline-link:hover {
            background: var(--spider-red);
            color: #fff;
            border-radius: 4px;
            padding: 0 6px;
            text-decoration: none;
        }
        .form-section {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 32px 36px;
            margin-bottom: 32px;
        }
        .form-section h2 {
            margin-top: 0;
            border-bottom-color: var(--spider-accent);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--spider-dark);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 1rem;
            font-family: var(--font-main);
            transition: var(--transition);
            background: #fafafa;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--spider-red);
            outline: none;
            background: #fff;
            box-shadow: 0 0 0 4px rgba(230, 36, 41, 0.08);
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--spider-red);
            color: #fff;
            padding: 14px 32px;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-family: var(--font-main);
        }
        .btn:hover {
            background: var(--spider-blue);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
            color: #fff;
            text-decoration: none;
        }
        .btn-secondary {
            background: var(--spider-blue);
        }
        .btn-secondary:hover {
            background: var(--spider-dark);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: var(--transition);
            cursor: pointer;
            color: #ddd;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f1c40f;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px;
            margin-bottom: 24px;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            margin-bottom: 16px;
            color: var(--spider-red);
            border-bottom: 2px solid #eee;
            padding-bottom: 8px;
        }
        .sidebar-link-list {
            list-style: none;
            padding: 0;
        }
        .sidebar-link-list li {
            padding: 8px 0;
            border-bottom: 1px solid #f0f0f0;
        }
        .sidebar-link-list li:last-child {
            border-bottom: none;
        }
        .sidebar-link-list a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
        }
        .sidebar-link-list a i {
            color: var(--spider-red);
            font-size: 0.8rem;
        }
        .comment-item {
            padding: 16px 0;
            border-bottom: 1px solid #eee;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-author {
            font-weight: 700;
            color: var(--spider-blue);
        }
        .comment-date {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-left: 12px;
        }
        .comment-text {
            margin-top: 6px;
            color: var(--text-body);
        }
        .site-footer {
            background: var(--spider-dark);
            color: #ccc;
            padding: 40px 0 20px;
            margin-top: 40px;
            border-top: 4px solid var(--spider-red);
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-inner h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 16px;
            border-bottom: 2px solid var(--spider-red);
            padding-bottom: 8px;
            display: inline-block;
        }
        .footer-inner p,
        .footer-inner a {
            color: #bbb;
            font-size: 0.95rem;
        }
        .footer-inner a:hover {
            color: var(--spider-accent);
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 10px;
            padding: 16px 20px;
            margin: 12px 0;
            border-left: 3px solid var(--spider-accent);
        }
        friend-link a {
            color: var(--spider-accent);
            font-weight: 500;
        }
        friend-link a:hover {
            color: #fff;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: #888;
        }
        .copyright strong {
            color: #ddd;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                padding: 12px 0;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--spider-dark);
                padding: 16px 0 8px;
                gap: 4px;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
                margin-top: 12px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.04);
                font-size: 1rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .article-card {
                padding: 24px 18px;
            }
            .form-section {
                padding: 24px 18px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .meta-line {
                flex-direction: column;
                gap: 6px;
            }
            .star-rating {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            h1 {
                font-size: 1.5rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #f0f0f0;
        }
        ::-webkit-scrollbar-thumb {
            background: var(--spider-red);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--spider-blue);
        }
        ::selection {
            background: var(--spider-red);
            color: #fff;
        }