*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #0f0f1a;
            color: #e8e8f0;
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #facc15;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #ffdd44;
            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;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            padding: 18px 0;
            border-bottom: 3px solid #facc15;
            position: sticky;
            top: 0;
            z-index: 1000;
            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;
            gap: 16px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #facc15;
            text-shadow: 0 0 12px rgba(250, 204, 21, 0.3);
            transition: transform 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            transform: scale(1.03);
            color: #ffdd44;
        }
        .my-logo i {
            font-size: 2rem;
            color: #ff6b6b;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            color: #aaa;
            display: block;
            line-height: 1.2;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #facc15;
            color: #facc15;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: #facc15;
            color: #1a1a2e;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #ddd;
            padding: 6px 16px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.92rem;
            transition: 0.25s ease;
            border: 1px solid transparent;
        }
        .nav-menu a:hover {
            background: rgba(250, 204, 21, 0.12);
            border-color: #facc15;
            color: #facc15;
            text-decoration: none;
        }
        .breadcrumb {
            background: #1c1c30;
            padding: 12px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #2a2a40;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: #888;
        }
        .breadcrumb a {
            color: #aaa;
        }
        .breadcrumb .current {
            color: #facc15;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #1a1a30, #0d0d1a);
            padding: 50px 0 40px;
            text-align: center;
            border-bottom: 1px solid #2a2a40;
        }
        .hero h1 {
            font-size: clamp(2rem, 6vw, 3.6rem);
            font-weight: 900;
            color: #facc15;
            text-shadow: 0 4px 30px rgba(250, 204, 21, 0.25);
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 780px;
            margin: 0 auto 20px;
            color: #c0c0d0;
        }
        .hero .update-badge {
            display: inline-block;
            background: #2a2a44;
            padding: 6px 22px;
            border-radius: 40px;
            font-size: 0.9rem;
            color: #facc15;
            border: 1px solid #facc1533;
        }
        main {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        @media (max-width: 920px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #facc15;
            margin: 2.2rem 0 1rem;
            border-left: 5px solid #facc15;
            padding-left: 18px;
        }
        .article-body h3 {
            font-size: 1.45rem;
            font-weight: 600;
            color: #ffdd88;
            margin: 1.8rem 0 0.8rem;
        }
        .article-body h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #e0c060;
            margin: 1.2rem 0 0.5rem;
        }
        .article-body p {
            margin-bottom: 1.1rem;
            color: #d0d0e0;
        }
        .article-body strong {
            color: #fff;
        }
        .article-body .highlight-box {
            background: #1c1c34;
            border-left: 4px solid #facc15;
            padding: 18px 24px;
            border-radius: 0 12px 12px 0;
            margin: 1.6rem 0;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.2rem;
            color: #d0d0e0;
        }
        .article-body li strong {
            color: #facc15;
        }
        .featured-img {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
            background: #1a1a30;
        }
        .featured-img img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-img figcaption {
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #aaa;
            background: #12122a;
            border-top: 1px solid #2a2a44;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-card {
            background: #1a1a30;
            border-radius: 16px;
            padding: 24px;
            margin-bottom: 24px;
            border: 1px solid #2a2a44;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            color: #facc15;
            margin-bottom: 14px;
            border-bottom: 1px solid #2a2a44;
            padding-bottom: 10px;
        }
        .sidebar-link-list a {
            display: block;
            padding: 8px 0;
            border-bottom: 1px solid #222238;
            font-size: 0.95rem;
            color: #c8c8e0;
            transition: 0.2s;
        }
        .sidebar-link-list a:hover {
            color: #facc15;
            padding-left: 6px;
            text-decoration: none;
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 16px;
            border-radius: 40px;
            border: 1px solid #333358;
            background: #0f0f1f;
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: 0.3s;
        }
        .search-form input:focus {
            border-color: #facc15;
            box-shadow: 0 0 0 3px rgba(250, 204, 21, 0.15);
        }
        .search-form button {
            background: #facc15;
            border: none;
            border-radius: 40px;
            padding: 10px 18px;
            color: #1a1a2e;
            font-weight: 600;
            cursor: pointer;
            transition: 0.25s;
        }
        .search-form button:hover {
            background: #ffdd44;
            transform: scale(1.04);
        }
        .feedback-section {
            margin-top: 40px;
            padding-top: 30px;
            border-top: 2px solid #2a2a44;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        @media (max-width: 700px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #1a1a30;
            border-radius: 16px;
            padding: 24px;
            border: 1px solid #2a2a44;
        }
        .feedback-card h3 {
            color: #facc15;
            margin-bottom: 16px;
            font-size: 1.2rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 10px 14px;
            border-radius: 10px;
            border: 1px solid #333358;
            background: #0f0f1f;
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: 0.3s;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #facc15;
            box-shadow: 0 0 0 3px rgba(250, 204, 21, 0.1);
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card button {
            background: #facc15;
            border: none;
            padding: 11px 20px;
            border-radius: 40px;
            font-weight: 700;
            color: #1a1a2e;
            cursor: pointer;
            transition: 0.25s;
            font-size: 1rem;
        }
        .feedback-card button:hover {
            background: #ffdd44;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.6rem;
            color: #444466;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: 0.2s;
            color: #444466;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #facc15;
        }
        .site-footer {
            background: #0c0c1a;
            border-top: 3px solid #facc15;
            padding: 40px 0 30px;
            margin-top: 40px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
        }
        @media (max-width: 700px) {
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        .footer-inner h4 {
            color: #facc15;
            margin-bottom: 14px;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: #aaa;
            display: block;
            padding: 3px 0;
            font-size: 0.9rem;
        }
        .footer-inner a:hover {
            color: #facc15;
        }
        .friend-link {
            display: block;
            padding: 6px 0;
            font-size: 0.95rem;
            color: #c0c0d0;
            border-bottom: 1px solid #1a1a30;
        }
        .friend-link:hover {
            color: #facc15;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 28px;
            margin-top: 28px;
            border-top: 1px solid #1a1a30;
            color: #8888a0;
            font-size: 0.85rem;
        }
        .copyright strong {
            color: #facc15;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: #1a1a2e;
                padding: 14px 10px;
                border-radius: 12px;
                margin-top: 10px;
                border: 1px solid #2a2a44;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 10px 16px;
                border-radius: 8px;
            }
            .header-inner {
                gap: 10px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
                gap: 4px 8px;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .hero {
                padding: 30px 0 24px;
            }
            .article-body h2 {
                font-size: 1.5rem;
                padding-left: 12px;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
        }
        .text-muted {
            color: #8888a0;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .gap-2 {
            gap: 12px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #141428;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid #2a2a44;
        }
        th {
            background: #1c1c34;
            color: #facc15;
            font-weight: 600;
        }
        tr:hover td {
            background: #1a1a32;
        }
        .sidebar-card,
        .feedback-card,
        .highlight-box,
        .featured-img {
            transition: transform 0.25s ease, box-shadow 0.3s ease;
        }
        .sidebar-card:hover,
        .feedback-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }