* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #0d0f14;
            color: #e8edf3;
            line-height: 1.7;
            font-size: 16px;
            scroll-behavior: smooth;
        }
        a {
            color: #f5a623;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #ffc857;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: #141820;
            padding: 16px 0;
            border-bottom: 2px solid #f5a623;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f5a623, #ff6a00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(245, 166, 35, 0.15);
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #8899aa;
            display: block;
            font-weight: 400;
            letter-spacing: 1px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f5a623;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
        }
        .nav-menu {
            display: flex;
            gap: 28px;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #c8d0d8;
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
        }
        .nav-menu a:hover {
            color: #f5a623;
            text-decoration: none;
        }
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: #f5a623;
            transition: width 0.3s;
        }
        .nav-menu a:hover::after {
            width: 100%;
        }
        .breadcrumb {
            background: #1a1f2a;
            padding: 12px 0;
            border-bottom: 1px solid #2a2f3a;
            font-size: 0.85rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 8px;
            color: #667788;
        }
        .breadcrumb a {
            color: #8899aa;
        }
        .breadcrumb a:hover {
            color: #f5a623;
        }
        .breadcrumb .active {
            color: #f5a623;
        }
        .hero {
            padding: 40px 0 20px;
            text-align: center;
            background: linear-gradient(180deg, #141820 0%, #0d0f14 100%);
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            line-height: 1.2;
        }
        .hero h1 span {
            background: linear-gradient(135deg, #f5a623, #ff6a00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero .meta {
            margin-top: 12px;
            color: #8899aa;
            font-size: 0.95rem;
        }
        .hero .meta i {
            margin-right: 6px;
        }
        .hero .meta .updated {
            color: #f5a623;
            font-weight: 600;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 30px 0 60px;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #1a1f2a;
            border-radius: 12px;
            padding: 24px;
            margin-bottom: 24px;
            border: 1px solid #2a2f3a;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            color: #f5a623;
            margin-bottom: 14px;
            border-bottom: 1px solid #2a2f3a;
            padding-bottom: 10px;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card ul li {
            margin-bottom: 10px;
        }
        .sidebar-card ul li a {
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card ul li a i {
            width: 18px;
            color: #f5a623;
            font-size: 0.8rem;
        }
        .search-box {
            display: flex;
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid #2a2f3a;
            background: #0d0f14;
        }
        .search-box input {
            flex: 1;
            padding: 12px 16px;
            border: none;
            background: transparent;
            color: #e8edf3;
            font-size: 0.95rem;
            outline: none;
        }
        .search-box input::placeholder {
            color: #556677;
        }
        .search-box button {
            background: #f5a623;
            border: none;
            padding: 12px 18px;
            color: #0d0f14;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-box button:hover {
            background: #ffc857;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-top: 48px;
            margin-bottom: 18px;
            color: #f5a623;
            border-left: 4px solid #f5a623;
            padding-left: 16px;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin-top: 32px;
            margin-bottom: 12px;
            color: #f0c48a;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-top: 22px;
            margin-bottom: 8px;
            color: #e0b87a;
        }
        p {
            margin-bottom: 16px;
            color: #d0d8e0;
        }
        p strong {
            color: #f5a623;
        }
        ul,
        ol {
            margin: 12px 0 20px 24px;
            color: #c8d0d8;
        }
        li {
            margin-bottom: 6px;
        }
        blockquote {
            border-left: 4px solid #f5a623;
            background: #1a1f2a;
            padding: 18px 22px;
            margin: 24px 0;
            border-radius: 0 8px 8px 0;
            font-style: italic;
            color: #bcc8d8;
        }
        blockquote strong {
            color: #f5a623;
        }
        .img-wrapper {
            margin: 28px 0;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid #2a2f3a;
            background: #1a1f2a;
        }
        .img-wrapper img {
            width: 100%;
            height: auto;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .img-wrapper figcaption {
            padding: 12px 16px;
            font-size: 0.85rem;
            color: #8899aa;
            text-align: center;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #1a1f2a;
            border-radius: 8px;
            overflow: hidden;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid #2a2f3a;
        }
        th {
            background: #f5a623;
            color: #0d0f14;
            font-weight: 700;
        }
        tr:hover td {
            background: #202530;
        }
        .feedback-section {
            background: #1a1f2a;
            border-radius: 12px;
            padding: 32px;
            margin-top: 48px;
            border: 1px solid #2a2f3a;
        }
        .feedback-section h2 {
            margin-top: 0;
            border-left-color: #f5a623;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #3a3f4a;
            cursor: pointer;
            margin: 12px 0 20px;
            flex-direction: row-reverse;
            justify-content: flex-end;
        }
        .rating-stars i {
            transition: color 0.2s, transform 0.15s;
        }
        .rating-stars i:hover,
        .rating-stars i:hover~i {
            color: #f5a623;
            transform: scale(1.1);
        }
        .rating-stars i.active {
            color: #f5a623;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            color: #c8d0d8;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid #2a2f3a;
            background: #0d0f14;
            color: #e8edf3;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #f5a623;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            background: #f5a623;
            color: #0d0f14;
            border: none;
            padding: 12px 32px;
            font-size: 1rem;
            font-weight: 700;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .btn:hover {
            background: #ffc857;
            transform: translateY(-2px);
        }
        .btn i {
            margin-right: 8px;
        }
        footer {
            background: #0a0c10;
            border-top: 2px solid #1a1f2a;
            padding: 40px 0 24px;
            margin-top: 40px;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        footer h4 {
            color: #f5a623;
            font-size: 1.1rem;
            margin-top: 0;
            margin-bottom: 14px;
        }
        footer p,
        footer a {
            color: #8899aa;
            font-size: 0.9rem;
        }
        footer a:hover {
            color: #f5a623;
        }
        friend-link {
            display: block;
            background: #141820;
            padding: 20px 24px;
            border-radius: 8px;
            border: 1px solid #2a2f3a;
            margin: 16px 0 24px;
        }
        friend-link h4 {
            margin-top: 0;
            margin-bottom: 12px;
            font-size: 1rem;
            color: #f5a623;
        }
        friend-link ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 16px 28px;
        }
        friend-link ul li a {
            color: #8899aa;
            font-size: 0.9rem;
        }
        friend-link ul li a:hover {
            color: #f5a623;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #1a1f2a;
            color: #556677;
            font-size: 0.85rem;
        }
        .copyright strong {
            color: #8899aa;
        }
        @media (max-width: 1024px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 12px;
                padding: 18px 0 8px;
                border-top: 1px solid #2a2f3a;
                margin-top: 12px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                font-size: 1.05rem;
                padding: 6px 0;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .feedback-section {
                padding: 20px;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .breadcrumb ol {
                font-size: 0.75rem;
            }
            .container {
                padding: 0 14px;
            }
            friend-link ul {
                flex-direction: column;
                gap: 8px;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.4rem;
            }
            .hero .meta {
                font-size: 0.8rem;
            }
            .rating-stars {
                font-size: 1.4rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
        }
        .anchor-offset {
            scroll-margin-top: 90px;
        }