* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background: #f5f3f0; color: #1e1e2a; line-height: 1.7; }
        a { color: #d4380d; text-decoration: none; transition: color 0.2s; }
        a:hover { color: #a52a0a; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; border-radius: 12px; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .my-logo { font-size: 2rem; font-weight: 800; letter-spacing: -0.5px; color: #1e1e2a; display: flex; align-items: center; gap: 10px; }
        .my-logo i { color: #d4380d; font-size: 2.2rem; }
        .my-logo span { background: linear-gradient(135deg, #d4380d, #f58b3e); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        header { background: #ffffff; box-shadow: 0 4px 20px rgba(0,0,0,0.06); position: sticky; top: 0; z-index: 100; padding: 12px 0; }
        .header-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
        nav { display: flex; gap: 28px; align-items: center; }
        nav a { font-weight: 600; font-size: 0.95rem; color: #2d2d3a; padding: 6px 0; border-bottom: 2px solid transparent; transition: 0.2s; }
        nav a:hover { border-bottom-color: #d4380d; color: #d4380d; text-decoration: none; }
        .hamburger { display: none; background: none; border: none; font-size: 1.8rem; color: #1e1e2a; cursor: pointer; padding: 4px 8px; }
        .nav-open nav { display: flex; flex-direction: column; width: 100%; padding: 20px 0 10px; gap: 16px; }
        .nav-open nav a { border-bottom: 1px solid #eee; padding: 8px 0; }
        .breadcrumb { background: #fff; padding: 10px 0; border-bottom: 1px solid #e8e6e3; font-size: 0.9rem; }
        .breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
        .breadcrumb li { color: #6b6b7a; }
        .breadcrumb li+li::before { content: "›"; margin-right: 8px; color: #b0aeb5; }
        .breadcrumb a { color: #d4380d; }
        .breadcrumb .active { color: #1e1e2a; font-weight: 600; }
        .hero { padding: 50px 0 30px; text-align: center; background: linear-gradient(135deg, #fff8f0 0%, #fff 100%); }
        .hero h1 { font-size: 2.6rem; font-weight: 800; line-height: 1.2; margin-bottom: 16px; color: #1e1e2a; }
        .hero h1 i { color: #d4380d; }
        .hero p { font-size: 1.15rem; color: #4a4a5a; max-width: 720px; margin: 0 auto 20px; }
        .hero .meta { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; font-size: 0.95rem; color: #6b6b7a; }
        .hero .meta i { margin-right: 6px; color: #d4380d; }
        .content { padding: 40px 0 60px; }
        .content-grid { display: grid; grid-template-columns: 1fr 280px; gap: 40px; }
        .article { background: #fff; border-radius: 20px; padding: 40px; box-shadow: 0 2px 16px rgba(0,0,0,0.04); }
        .sidebar { background: #fff; border-radius: 20px; padding: 28px; box-shadow: 0 2px 16px rgba(0,0,0,0.04); height: fit-content; position: sticky; top: 100px; }
        .sidebar h3 { font-size: 1.2rem; margin-bottom: 16px; border-bottom: 3px solid #d4380d; padding-bottom: 8px; }
        .sidebar ul { list-style: none; }
        .sidebar li { margin-bottom: 10px; }
        .sidebar a { color: #2d2d3a; font-weight: 500; display: flex; align-items: center; gap: 8px; }
        .sidebar a:hover { color: #d4380d; }
        .sidebar a i { width: 18px; color: #d4380d; }
        .article h2 { font-size: 1.9rem; margin: 48px 0 20px; color: #1e1e2a; border-left: 5px solid #d4380d; padding-left: 16px; }
        .article h3 { font-size: 1.4rem; margin: 32px 0 14px; color: #2d2d3a; }
        .article h4 { font-size: 1.15rem; margin: 24px 0 10px; color: #3a3a4a; font-weight: 700; }
        .article p { margin-bottom: 18px; color: #3d3d4d; font-size: 1.02rem; }
        .article ul, .article ol { margin: 0 0 20px 24px; color: #3d3d4d; }
        .article li { margin-bottom: 8px; }
        .article .highlight { background: #fff4ed; padding: 20px 24px; border-radius: 14px; border-left: 5px solid #d4380d; margin: 24px 0; }
        .article .highlight i { color: #d4380d; margin-right: 8px; }
        .article .feature-img { margin: 28px 0; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
        .article table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 0.98rem; }
        .article th { background: #1e1e2a; color: #fff; padding: 12px 16px; text-align: left; font-weight: 600; }
        .article td { padding: 12px 16px; border-bottom: 1px solid #e8e6e3; }
        .article tr:nth-child(even) { background: #faf9f7; }
        .article .code-block { background: #1e1e2a; color: #e8e6e3; padding: 18px 22px; border-radius: 12px; font-family: 'Courier New', monospace; overflow-x: auto; margin: 20px 0; }
        .search-box { background: #fff4ed; padding: 24px; border-radius: 16px; margin: 30px 0; display: flex; gap: 12px; flex-wrap: wrap; }
        .search-box input { flex: 1; min-width: 200px; padding: 14px 18px; border: 2px solid #e0dcd6; border-radius: 10px; font-size: 1rem; outline: none; transition: 0.2s; }
        .search-box input:focus { border-color: #d4380d; }
        .search-box button { background: #d4380d; color: #fff; border: none; padding: 14px 30px; border-radius: 10px; font-size: 1rem; font-weight: 700; cursor: pointer; transition: 0.2s; display: flex; align-items: center; gap: 8px; }
        .search-box button:hover { background: #a52a0a; transform: translateY(-2px); }
        .search-box button i { font-size: 1.1rem; }
        .interaction-section { background: #fff; border-radius: 20px; padding: 36px; margin-top: 40px; box-shadow: 0 2px 16px rgba(0,0,0,0.04); }
        .interaction-section h2 { margin-top: 0; }
        .rating-stars { display: flex; gap: 10px; font-size: 2rem; color: #e0dcd6; cursor: pointer; margin: 16px 0; }
        .rating-stars i.active { color: #f5a623; }
        .rating-stars i:hover { color: #f5a623; transform: scale(1.1); }
        .comment-form textarea { width: 100%; padding: 16px; border: 2px solid #e0dcd6; border-radius: 12px; font-size: 1rem; font-family: inherit; resize: vertical; min-height: 120px; outline: none; transition: 0.2s; }
        .comment-form textarea:focus { border-color: #d4380d; }
        .comment-form .form-row { display: flex; gap: 16px; flex-wrap: wrap; margin: 16px 0; }
        .comment-form input { flex: 1; min-width: 180px; padding: 14px 16px; border: 2px solid #e0dcd6; border-radius: 10px; font-size: 1rem; outline: none; transition: 0.2s; }
        .comment-form input:focus { border-color: #d4380d; }
        .comment-form button { background: #1e1e2a; color: #fff; border: none; padding: 14px 34px; border-radius: 10px; font-size: 1rem; font-weight: 700; cursor: pointer; transition: 0.2s; }
        .comment-form button:hover { background: #d4380d; transform: translateY(-2px); }
        footer { background: #1e1e2a; color: #ddd; padding: 50px 0 30px; margin-top: 60px; }
        footer a { color: #f58b3e; }
        footer a:hover { color: #fff; }
        .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; margin-bottom: 32px; }
        footer h4 { color: #fff; font-size: 1.1rem; margin-bottom: 16px; border-bottom: 2px solid #d4380d; padding-bottom: 8px; display: inline-block; }
        footer ul { list-style: none; }
        footer li { margin-bottom: 8px; }
        friend-link { display: block; background: #2a2a3a; padding: 20px 24px; border-radius: 14px; margin: 20px 0; }
        friend-link a { display: inline-block; margin: 4px 12px 4px 0; padding: 4px 12px; background: #3a3a4a; border-radius: 6px; font-size: 0.9rem; color: #ddd; }
        friend-link a:hover { background: #d4380d; color: #fff; text-decoration: none; }
        .copyright { text-align: center; padding-top: 24px; border-top: 1px solid #3a3a4a; font-size: 0.9rem; color: #999; }
        .copyright strong { color: #ddd; }
        @media (max-width: 900px) {
            .content-grid { grid-template-columns: 1fr; }
            .sidebar { position: static; }
            .hero h1 { font-size: 2rem; }
            .article { padding: 24px; }
            .article h2 { font-size: 1.5rem; }
        }
        @media (max-width: 700px) {
            .hamburger { display: block; }
            nav { display: none; width: 100%; }
            .header-inner { flex-wrap: wrap; }
            .hero h1 { font-size: 1.6rem; }
            .hero .meta { flex-direction: column; gap: 6px; }
            .interaction-section { padding: 20px; }
            .search-box { flex-direction: column; }
            .search-box button { width: 100%; justify-content: center; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 14px; }
            .article { padding: 16px; }
            .article h2 { font-size: 1.3rem; padding-left: 10px; }
            .rating-stars { font-size: 1.6rem; }
            .my-logo { font-size: 1.5rem; }
        }