*,
        *::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', Arial, sans-serif;
            background: #0b0e1a;
            color: #e4e8f0;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #5bc0eb;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #fca311;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 0.75rem 0;
        }
        li {
            margin: 0.4rem 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #f0f4ff;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 3px solid #e94560;
            padding-bottom: 0.5rem;
            display: inline-block;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #e94560;
            padding-left: 1rem;
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #a8d8ea;
        }
        h4 {
            font-size: 1.15rem;
            color: #cbd5e1;
        }
        p {
            margin: 1rem 0;
        }
        strong,
        b {
            color: #ffffff;
            font-weight: 600;
        }
        em {
            color: #fca311;
        }
        hr {
            border: none;
            height: 2px;
            background: linear-gradient(90deg, #e94560, transparent);
            margin: 2.5rem 0;
        }
        blockquote {
            border-left: 4px solid #e94560;
            background: #141a2b;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #bcc6d4;
        }
        code {
            background: #1e2538;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            font-size: 0.9rem;
            color: #fca311;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0f1629 0%, #1a1f3a 100%);
            padding: 0.8rem 0;
            border-bottom: 2px solid #2a3350;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #e94560, #fca311);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            text-shadow: none;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #e94560;
            font-size: 1.6rem;
        }
        .my-logo small {
            font-size: 0.65rem;
            -webkit-text-fill-color: #8a9bb5;
            font-weight: 400;
            display: block;
            margin-top: -4px;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #3a4560;
            color: #e4e8f0;
            font-size: 1.5rem;
            padding: 0.3rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            border-color: #e94560;
            color: #e94560;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-menu li a {
            display: block;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #c8d0e0;
            transition: 0.2s;
            white-space: nowrap;
        }
        .nav-menu li a:hover,
        .nav-menu li a:focus-visible {
            background: #232b44;
            color: #fca311;
            text-decoration: none;
        }
        .nav-menu li a i {
            margin-right: 0.4rem;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #11172b;
            padding: 0.6rem 1.2rem;
            border-radius: 10px;
            margin: 1rem 0 0.5rem;
            font-size: 0.85rem;
            color: #8896b0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.4rem;
            color: #e94560;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #8896b0;
        }
        .breadcrumb a:hover {
            color: #fca311;
        }
        .breadcrumb .active {
            color: #f0f4ff;
        }
        .search-bar {
            background: #141a2b;
            border-radius: 40px;
            padding: 0.2rem 0.2rem 0.2rem 1.2rem;
            display: flex;
            align-items: center;
            border: 1px solid #2a3350;
            max-width: 420px;
            margin: 1.2rem 0 0.8rem;
            transition: 0.3s;
        }
        .search-bar:focus-within {
            border-color: #e94560;
            box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.2);
        }
        .search-bar input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 0.7rem 0;
            font-size: 0.95rem;
            color: #f0f4ff;
            outline: none;
            min-width: 0;
        }
        .search-bar input::placeholder {
            color: #5a6a88;
        }
        .search-bar button {
            background: #e94560;
            border: none;
            color: #fff;
            padding: 0.6rem 1.4rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.25s;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-bar button:hover {
            background: #d63851;
            transform: scale(1.02);
        }
        .featured-image-wrap {
            margin: 1.5rem 0 2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
            background: #141a2b;
            position: relative;
        }
        .featured-image-wrap img {
            width: 100%;
            max-height: 520px;
            object-fit: cover;
        }
        .featured-image-wrap figcaption {
            padding: 0.8rem 1.2rem;
            font-size: 0.85rem;
            color: #8896b0;
            background: #0f1629;
            border-top: 1px solid #2a3350;
        }
        .article-body {
            background: #0f1629;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            margin: 1.5rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .article-body p {
            margin: 1.2rem 0;
            text-align: justify;
        }
        .article-body .last-updated {
            font-size: 0.85rem;
            color: #6a7a98;
            border-bottom: 1px solid #1e2538;
            padding-bottom: 0.8rem;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .article-body .last-updated i {
            color: #e94560;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
            border-radius: 12px;
            background: #11172b;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
        }
        th,
        td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #1e2538;
        }
        th {
            background: #1a2140;
            color: #fca311;
            font-weight: 600;
            white-space: nowrap;
        }
        tr:hover td {
            background: #161d32;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0 1.5rem;
        }
        .card-interact {
            background: #11172b;
            border-radius: 16px;
            padding: 1.8rem;
            border: 1px solid #1e2538;
            transition: 0.3s;
        }
        .card-interact:hover {
            border-color: #3a4560;
        }
        .card-interact h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .card-interact form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 1rem;
        }
        .card-interact input,
        .card-interact textarea,
        .card-interact select {
            background: #0b0e1a;
            border: 1px solid #2a3350;
            padding: 0.7rem 1rem;
            border-radius: 10px;
            color: #f0f4ff;
            font-size: 0.9rem;
            transition: 0.2s;
            font-family: inherit;
        }
        .card-interact input:focus,
        .card-interact textarea:focus,
        .card-interact select:focus {
            border-color: #e94560;
            outline: none;
            box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.15);
        }
        .card-interact textarea {
            min-height: 80px;
            resize: vertical;
        }
        .card-interact button {
            background: #e94560;
            color: #fff;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.25s;
            font-size: 0.9rem;
            align-self: flex-start;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .card-interact button:hover {
            background: #d63851;
            transform: translateY(-2px);
        }
        .stars-wrap {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
        }
        .stars-wrap input {
            display: none;
        }
        .stars-wrap label {
            font-size: 1.7rem;
            color: #3a4560;
            cursor: pointer;
            transition: 0.2s;
        }
        .stars-wrap label:hover,
        .stars-wrap label:hover~label,
        .stars-wrap input:checked~label {
            color: #fca311;
        }
        friend-link {
            display: block;
            background: #11172b;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 2.5rem 0 1.5rem;
            border: 1px solid #1e2538;
        }
        friend-link h3 {
            margin-top: 0;
            font-size: 1.2rem;
            color: #fca311;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            margin: 0.8rem 0 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
        }
        friend-link ul li a {
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            font-size: 0.9rem;
            color: #8a9bb5;
            transition: 0.2s;
        }
        friend-link ul li a:hover {
            color: #fca311;
            background: #1a2140;
            text-decoration: none;
        }
        .site-footer {
            background: #0a0e1a;
            border-top: 2px solid #1a2140;
            padding: 2rem 0 1.2rem;
            margin-top: auto;
            text-align: center;
            color: #5a6a88;
            font-size: 0.85rem;
        }
        .site-footer .copyright {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 0.5rem 1.2rem;
        }
        .site-footer .copyright i {
            color: #e94560;
        }
        .site-footer a {
            color: #8a9bb5;
        }
        .site-footer a:hover {
            color: #fca311;
        }
        @media (max-width: 900px) {
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .article-body {
                padding: 1.5rem 1.2rem;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 700px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #11172b;
                padding: 0.8rem 0;
                border-radius: 12px;
                margin-top: 0.5rem;
                border: 1px solid #2a3350;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                padding: 0.6rem 1.2rem;
                white-space: normal;
            }
            .search-bar {
                max-width: 100%;
            }
            .article-body {
                padding: 1.2rem 0.8rem;
            }
            .featured-image-wrap figcaption {
                font-size: 0.75rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 0.4rem 0.8rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .header-inner {
                gap: 0.3rem;
            }
            friend-link ul {
                flex-direction: column;
                gap: 0.3rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .article-body {
                padding: 1rem 0.6rem;
            }
            .card-interact {
                padding: 1.2rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo small {
                font-size: 0.5rem;
            }
            .search-bar button span {
                display: none;
            }
            .search-bar button {
                padding: 0.6rem 1rem;
            }
        }
        .text-muted {
            color: #6a7a98;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .gap-1 {
            gap: 1rem;
        }
        :target {
            scroll-margin-top: 90px;
        }