*,
        *::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: #0d0d1a;
            color: #e8e8f0;
            line-height: 1.75;
            min-height: 100vh;
        }
        a {
            color: #f9a826;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #ffcd7a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #ffffff;
            margin-top: 1.8rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 2px solid #f9a82640;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.1rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(145deg, #111128 0%, #1a1a3e 100%);
            border-bottom: 2px solid #f9a82630;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 0.7rem 0;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f9a826, #ff6b35);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px #f9a82620;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #f9a826;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f9a826;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #ffffff10;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.2rem 0.8rem;
            flex-wrap: wrap;
        }
        .nav-menu a {
            padding: 0.4rem 0.8rem;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.95rem;
            color: #d0d0e8;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        .nav-menu a:hover,
        .nav-menu a:focus-visible {
            background: #f9a82618;
            color: #f9a826;
            text-decoration: none;
        }
        .nav-menu a.active {
            color: #f9a826;
            background: #f9a82615;
        }
        .breadcrumb {
            background: #0d0d1a80;
            backdrop-filter: blur(4px);
            padding: 0.5rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #ffffff08;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #8888aa;
        }
        .breadcrumb a {
            color: #aaaacc;
        }
        .breadcrumb a:hover {
            color: #f9a826;
        }
        .breadcrumb .current {
            color: #f9a826;
            font-weight: 500;
        }
        .main-content {
            padding: 2rem 0 3rem;
        }
        .search-section {
            background: #1a1a3a;
            border-radius: 16px;
            padding: 1.6rem 1.8rem;
            margin-bottom: 2.5rem;
            border: 1px solid #ffffff10;
            box-shadow: 0 8px 30px #00000030;
        }
        .search-section form {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .search-section input[type="text"] {
            flex: 1 1 240px;
            padding: 0.8rem 1.2rem;
            border-radius: 10px;
            border: 2px solid #2a2a5a;
            background: #0d0d22;
            color: #f0f0ff;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-section input[type="text"]:focus {
            border-color: #f9a826;
        }
        .search-section button {
            background: linear-gradient(135deg, #f9a826, #ff6b35);
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            color: #0d0d1a;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-section button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px #f9a82640;
        }
        .hero-block {
            background: linear-gradient(145deg, #151535, #1f1f4a);
            border-radius: 20px;
            padding: 2rem 2rem 2.5rem;
            margin-bottom: 2.5rem;
            border: 1px solid #ffffff10;
            box-shadow: 0 8px 40px #00000040;
        }
        .hero-block h1 {
            font-size: 2.6rem;
            background: linear-gradient(135deg, #ffffff, #f9a826);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-block .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
            margin: 1rem 0 0.5rem;
            font-size: 0.9rem;
            color: #aaaacc;
        }
        .hero-block .meta-info i {
            color: #f9a826;
            margin-right: 0.3rem;
        }
        .last-updated {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #f9a82615;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-weight: 500;
            color: #f9a826;
            font-size: 0.85rem;
        }
        .featured-image-wrap {
            margin: 1.8rem 0 2rem;
            border-radius: 16px;
            overflow: hidden;
            background: #111130;
            border: 1px solid #ffffff10;
            box-shadow: 0 6px 30px #00000050;
        }
        .featured-image-wrap img {
            width: 100%;
            height: auto;
            aspect-ratio: 1200/630;
            object-fit: cover;
        }
        .featured-image-wrap figcaption {
            padding: 0.6rem 1.2rem;
            font-size: 0.85rem;
            color: #9999bb;
            background: #0d0d22;
            border-top: 1px solid #ffffff08;
        }
        .content-card {
            background: #141430;
            border-radius: 16px;
            padding: 1.6rem 1.8rem;
            margin-bottom: 1.8rem;
            border: 1px solid #ffffff08;
            transition: border-color 0.3s, box-shadow 0.3s;
        }
        .content-card:hover {
            border-color: #f9a82630;
            box-shadow: 0 4px 30px #f9a82610;
        }
        .code-list {
            list-style: none;
            padding: 0;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 0.8rem;
        }
        .code-list li {
            background: #1a1a40;
            padding: 0.6rem 1rem;
            border-radius: 10px;
            border-left: 4px solid #f9a826;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .code-list li i {
            color: #f9a826;
            font-size: 1rem;
        }
        .code-list .code-value {
            font-family: 'Courier New', monospace;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #ffcd7a;
        }
        .badge {
            display: inline-block;
            background: #f9a82620;
            color: #f9a826;
            font-size: 0.7rem;
            padding: 0.15rem 0.6rem;
            border-radius: 30px;
            font-weight: 600;
            margin-left: 0.4rem;
            text-transform: uppercase;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            background: #111130;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 0.75rem 1rem;
            text-align: left;
            border-bottom: 1px solid #ffffff10;
        }
        th {
            background: #f9a82620;
            color: #f9a826;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #ffffff05;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin-top: 1.2rem;
        }
        .feedback-card {
            background: #111130;
            border-radius: 16px;
            padding: 1.4rem 1.6rem;
            border: 1px solid #ffffff10;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            background: #0d0d22;
            border: 2px solid #2a2a5a;
            border-radius: 10px;
            padding: 0.7rem 1rem;
            color: #f0f0ff;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.3s;
            width: 100%;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #f9a826;
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card button {
            background: linear-gradient(135deg, #f9a826, #ff6b35);
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: 10px;
            font-weight: 700;
            font-size: 0.95rem;
            color: #0d0d1a;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.3s;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px #f9a82640;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.6rem;
            color: #3a3a5a;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f9a826;
        }
        .faq-item {
            border-bottom: 1px solid #ffffff10;
            padding: 1rem 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-item h4 {
            margin: 0 0 0.3rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            cursor: pointer;
        }
        .faq-item h4::before {
            content: "▸";
            color: #f9a826;
            transition: transform 0.3s;
        }
        .faq-item.open h4::before {
            transform: rotate(90deg);
        }
        .faq-item p {
            margin: 0.3rem 0 0 1.8rem;
        }
        friend-link {
            display: block;
            background: #111130;
            border-radius: 16px;
            padding: 1.6rem 1.8rem;
            margin: 2rem 0 1rem;
            border: 1px solid #ffffff08;
        }
        friend-link h2 {
            font-size: 1.4rem;
            border-bottom: none;
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.4rem;
            margin-top: 0.8rem;
        }
        friend-link li a {
            color: #c0c0e0;
            font-size: 0.95rem;
            transition: color 0.25s;
        }
        friend-link li a:hover {
            color: #f9a826;
            text-decoration: none;
        }
        .site-footer {
            background: #0a0a1a;
            border-top: 2px solid #f9a82620;
            padding: 2rem 0 1.5rem;
            margin-top: 2rem;
        }
        .site-footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.85rem;
            color: #8888aa;
        }
        .site-footer a {
            color: #aaaacc;
        }
        .site-footer a:hover {
            color: #f9a826;
        }
        .site-footer .copyright {
            width: 100%;
            text-align: center;
            margin-top: 0.8rem;
            padding-top: 0.8rem;
            border-top: 1px solid #ffffff08;
            font-size: 0.8rem;
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 0.5rem 0;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #111128;
                padding: 0.8rem 0 1.2rem;
                border-radius: 0 0 16px 16px;
                gap: 0.2rem;
                border-top: 1px solid #ffffff10;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                width: 100%;
                padding: 0.6rem 1rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .hero-block {
                padding: 1.4rem 1.2rem;
            }
            .hero-block h1 {
                font-size: 1.8rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .code-list {
                grid-template-columns: 1fr;
            }
            .search-section form {
                flex-direction: column;
            }
            .search-section input[type="text"] {
                flex: 1 1 auto;
            }
            .content-card {
                padding: 1.2rem 1rem;
            }
            .table-wrap {
                font-size: 0.8rem;
            }
            th,
            td {
                padding: 0.5rem 0.6rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .site-footer .footer-inner {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            h1 {
                font-size: 1.5rem;
            }
            .hero-block h1 {
                font-size: 1.5rem;
            }
            .feedback-card {
                padding: 1rem;
            }
            .star-rating label {
                font-size: 1.3rem;
            }
        }
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 0.6s ease forwards;
        }
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 1rem;
            padding: 0.5rem 1rem;
            background: #f9a826;
            color: #0d0d1a;
            font-weight: 700;
            border-radius: 0 0 8px 8px;
            z-index: 200;
            transition: top 0.3s;
        }
        .skip-link:focus {
            top: 0;
        }
        .highlight {
            color: #f9a826;
            font-weight: 600;
        }
        .divider {
            height: 2px;
            background: linear-gradient(90deg, transparent, #f9a82640, transparent);
            margin: 2rem 0;
            border: none;
        }
        .small-note {
            font-size: 0.8rem;
            color: #7777aa;
        }
        .glow-text {
            text-shadow: 0 0 20px #f9a82630;
        }