        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #0a0f1a;
            color: #e8edf5;
            line-height: 1.75;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #f5c542;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #ffd966;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: #f0f4ff;
            line-height: 1.3;
            letter-spacing: 0.01em;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 1rem;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2rem 0 0.8rem;
            border-bottom: 2px solid #f5c54240;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
            margin: 1.6rem 0 0.6rem;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.2rem 0 0.4rem;
            color: #d4e0f0;
        }
        p {
            margin-bottom: 1rem;
        }
        strong,
        b {
            color: #f5c542;
            font-weight: 700;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: #111827;
            border-bottom: 2px solid #f5c54230;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(8px);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.6);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.6rem 1.2rem;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f5c542, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #f5c542;
            font-size: 1.5rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.2rem;
            flex-wrap: wrap;
            padding: 0;
        }
        .nav-list li a {
            padding: 0.5rem 0.9rem;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.92rem;
            color: #c8d6e5;
            transition: background 0.25s, color 0.25s;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .nav-list li a:hover,
        .nav-list li a:focus {
            background: #f5c54218;
            color: #f5c542;
            text-decoration: none;
        }
        .nav-list li a.active {
            color: #f5c542;
            border-bottom: 2px solid #f5c542;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f0f4ff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #ffffff10;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #0f1522;
            padding: 0.6rem 1.2rem;
            font-size: 0.85rem;
            border-bottom: 1px solid #1e2a3a;
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            gap: 0.3rem;
        }
        .breadcrumb li+li::before {
            content: "/";
            margin: 0 0.5rem;
            color: #5a6a7e;
        }
        .breadcrumb a {
            color: #8a9bb5;
        }
        .breadcrumb a:hover {
            color: #f5c542;
        }
        .breadcrumb .current {
            color: #f5c542;
            font-weight: 500;
        }
        .hero-img-wrap {
            margin: 1.5rem 0 2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 40px rgba(245, 197, 66, 0.08);
            background: #111827;
        }
        .hero-img-wrap img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }
        .content-section {
            background: #0f1522;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 1.5rem 0;
            border: 1px solid #1e2a3a;
            transition: box-shadow 0.3s;
        }
        .content-section:hover {
            box-shadow: 0 4px 30px rgba(245, 197, 66, 0.04);
        }
        .code-block {
            background: #0a0f1a;
            border-left: 4px solid #f5c542;
            padding: 1rem 1.4rem;
            border-radius: 0 10px 10px 0;
            font-family: 'Courier New', monospace;
            font-size: 0.95rem;
            overflow-x: auto;
            margin: 1rem 0;
            color: #b8ccdd;
        }
        .code-block .highlight {
            color: #f5c542;
            font-weight: 700;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
            background: #0a0f1a;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #1e2a3a;
        }
        th {
            background: #f5c54218;
            color: #f5c542;
            font-weight: 600;
        }
        tr:hover td {
            background: #1a2538;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #f5c542;
            color: #0a0f1a;
            font-weight: 700;
            padding: 0.6rem 1.5rem;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
            transition: background 0.3s, transform 0.15s, box-shadow 0.3s;
        }
        .btn:hover {
            background: #ffd966;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(245, 197, 66, 0.25);
            text-decoration: none;
            color: #0a0f1a;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #f5c542;
            color: #f5c542;
        }
        .btn-outline:hover {
            background: #f5c542;
            color: #0a0f1a;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #c8d6e5;
        }
        .form-control {
            width: 100%;
            padding: 0.7rem 1rem;
            border-radius: 10px;
            border: 1px solid #2a3a4e;
            background: #0a0f1a;
            color: #e8edf5;
            font-size: 0.95rem;
            transition: border 0.3s, box-shadow 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: #f5c542;
            box-shadow: 0 0 0 3px #f5c54220;
        }
        textarea.form-control {
            min-height: 100px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 1.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #3a4a5e;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5c542;
        }
        .comment-item {
            background: #0a0f1a;
            padding: 1rem 1.2rem;
            border-radius: 12px;
            margin-bottom: 0.8rem;
            border-left: 3px solid #f5c54240;
        }
        .comment-item .meta {
            font-size: 0.8rem;
            color: #7a8a9e;
            display: flex;
            gap: 1rem;
            margin-bottom: 0.3rem;
        }
        .comment-item .name {
            font-weight: 600;
            color: #f5c542;
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.5rem;
            padding: 1rem 0;
            font-size: 0.92rem;
        }
        friend-link a {
            color: #8a9bb5;
            border-bottom: 1px dotted #3a4a5e;
        }
        friend-link a:hover {
            color: #f5c542;
            border-color: #f5c542;
            text-decoration: none;
        }
        .site-footer {
            background: #080c14;
            border-top: 1px solid #1e2a3a;
            padding: 2rem 1.2rem 1.2rem;
            margin-top: auto;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            text-align: center;
        }
        .footer-inner .copyright {
            color: #5a6a7e;
            font-size: 0.85rem;
            margin-top: 1rem;
        }
        @media (max-width: 820px) {
            .hamburger {
                display: block;
            }
            .nav-wrap {
                display: none;
                width: 100%;
                margin-top: 0.6rem;
            }
            #nav-toggle:checked~.nav-wrap {
                display: block;
            }
            .nav-list {
                flex-direction: column;
                gap: 0.1rem;
                padding-bottom: 0.6rem;
            }
            .nav-list li a {
                padding: 0.6rem 1rem;
                border-radius: 8px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .content-section {
                padding: 1.2rem 1rem;
            }
            .header-inner {
                padding: 0.4rem 1rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .content-section {
                padding: 1rem 0.8rem;
                border-radius: 12px;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.2rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 0.4rem 0.8rem;
            }
            .star-rating {
                font-size: 1.5rem;
            }
            .btn {
                padding: 0.5rem 1.2rem;
                font-size: 0.85rem;
            }
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .gap-1 {
            gap: 1rem;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .text-muted {
            color: #7a8a9e;
            font-size: 0.9rem;
        }
        .badge {
            display: inline-block;
            background: #f5c54220;
            color: #f5c542;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: #8a9bb5;
            margin-bottom: 0.5rem;
        }
        .last-updated i {
            color: #f5c542;
        }
        .divider {
            border: none;
            border-top: 1px solid #1e2a3a;
            margin: 1.5rem 0;
        }
