* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --bg-dark: #0b0e14;
            --bg-card: #141a24;
            --bg-card2: #1c2433;
            --accent: #2ecc71;
            --accent2: #1abc9c;
            --accent-glow: rgba(46, 204, 113, 0.25);
            --text: #e8edf5;
            --text2: #9aaec9;
            --text3: #6b7f9e;
            --border: #1e2a3a;
            --radius: 12px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
            --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            --transition: 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg-dark);
            color: var(--text);
            line-height: 1.7;
            min-height: 100vh;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent2);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .header {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border);
            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;
            padding: 14px 0;
            gap: 16px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent), var(--accent2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: var(--text2);
            background: none;
            display: block;
            letter-spacing: 0.3px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border);
            color: var(--text);
            font-size: 1.4rem;
            padding: 8px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg-card2);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-menu a {
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text2);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            background: var(--accent-glow);
            color: var(--accent);
        }
        .nav-menu a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            padding: 14px 0 6px;
            font-size: 0.85rem;
            color: var(--text3);
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb a {
            color: var(--text2);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb span {
            color: var(--text3);
        }
        .breadcrumb .sep {
            color: var(--text3);
            font-weight: 300;
        }
        .main {
            padding: 24px 0 60px;
        }
        .content {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 40px 36px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            margin-bottom: 40px;
        }
        .content h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 12px;
            background: linear-gradient(135deg, #fff, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .content h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--border);
            color: var(--accent);
        }
        .content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 32px 0 12px;
            color: #d4e0f0;
        }
        .content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 24px 0 8px;
            color: var(--text2);
        }
        .content p {
            margin-bottom: 18px;
            color: var(--text2);
            font-size: 1rem;
        }
        .content strong {
            color: #f0f5ff;
            font-weight: 600;
        }
        .content em {
            color: var(--accent2);
            font-style: italic;
        }
        .content ul,
        .content ol {
            margin: 0 0 20px 24px;
            color: var(--text2);
        }
        .content li {
            margin-bottom: 8px;
        }
        .content .highlight-box {
            background: var(--bg-card2);
            border-left: 4px solid var(--accent);
            padding: 20px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
        }
        .content .highlight-box p {
            margin-bottom: 0;
        }
        .content .img-wrapper {
            margin: 32px 0;
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--bg-card2);
            border: 1px solid var(--border);
        }
        .content .img-wrapper img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .content .img-wrapper figcaption {
            padding: 12px 18px;
            font-size: 0.85rem;
            color: var(--text3);
            background: var(--bg-card2);
            border-top: 1px solid var(--border);
        }
        .last-updated {
            display: inline-block;
            font-size: 0.85rem;
            color: var(--text3);
            background: var(--bg-card2);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 24px;
        }
        .last-updated i {
            margin-right: 6px;
            color: var(--accent);
        }
        .search-section {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 36px;
            border: 1px solid var(--border);
            margin-bottom: 32px;
            box-shadow: var(--shadow);
        }
        .search-section h3 {
            font-size: 1.2rem;
            margin-bottom: 16px;
            color: var(--accent);
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: var(--bg-dark);
            color: var(--text);
            font-size: 1rem;
            transition: border var(--transition);
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }
        .search-form button {
            padding: 12px 28px;
            border-radius: 8px;
            border: none;
            background: linear-gradient(135deg, var(--accent), var(--accent2));
            color: #0b0e14;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .search-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px var(--accent-glow);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 16px;
        }
        @media (max-width: 768px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 30px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }
        .feedback-card h3 {
            font-size: 1.15rem;
            margin-bottom: 16px;
            color: var(--accent);
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 11px 16px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: var(--bg-dark);
            color: var(--text);
            font-size: 0.95rem;
            font-family: var(--font);
            transition: border var(--transition);
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card button {
            padding: 12px 24px;
            border-radius: 8px;
            border: none;
            background: linear-gradient(135deg, var(--accent), var(--accent2));
            color: #0b0e14;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: transform var(--transition), box-shadow var(--transition);
            align-self: flex-start;
        }
        .feedback-card button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px var(--accent-glow);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: var(--text3);
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color var(--transition);
            color: var(--text3);
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f1c40f;
        }
        friend-link {
            display: block;
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 32px;
            border: 1px solid var(--border);
            margin-top: 40px;
            box-shadow: var(--shadow);
        }
        friend-link h3 {
            font-size: 1.1rem;
            color: var(--accent);
            margin-bottom: 16px;
        }
        friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
        }
        friend-link li {
            margin-bottom: 0;
        }
        friend-link a {
            color: var(--text2);
            font-size: 0.92rem;
            transition: color var(--transition);
        }
        friend-link a:hover {
            color: var(--accent);
        }
        .footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border);
            padding: 32px 0;
            text-align: center;
            font-size: 0.88rem;
            color: var(--text3);
        }
        .footer a {
            color: var(--text2);
        }
        .footer a:hover {
            color: var(--accent);
        }
        .footer .copyright {
            margin-top: 10px;
            border-top: 1px solid var(--border);
            padding-top: 18px;
            font-size: 0.82rem;
        }
        @media (max-width: 900px) {
            .content {
                padding: 28px 20px;
            }
            .content h1 {
                font-size: 1.8rem;
            }
            .content h2 {
                font-size: 1.4rem;
            }
            .search-section {
                padding: 24px 20px;
            }
            .feedback-card {
                padding: 22px 20px;
            }
            friend-link {
                padding: 22px 20px;
            }
        }
        @media (max-width: 700px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--bg-card);
                padding: 12px 0 16px;
                border-top: 1px solid var(--border);
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 10px 16px;
                width: 100%;
                border-radius: 6px;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .content {
                padding: 20px 16px;
            }
            .content h1 {
                font-size: 1.5rem;
            }
            .content h2 {
                font-size: 1.2rem;
                margin-top: 32px;
            }
            .content h3 {
                font-size: 1.1rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input {
                min-width: unset;
            }
            .feedback-card button {
                align-self: stretch;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .content {
                padding: 16px 12px;
                border-radius: 8px;
            }
            .content h1 {
                font-size: 1.3rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                gap: 4px 8px;
            }
            .last-updated {
                font-size: 0.75rem;
            }
            .feedback-card {
                padding: 18px 14px;
            }
            friend-link {
                padding: 18px 14px;
            }
            .star-rating {
                font-size: 1.3rem;
            }
        }
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text3);
        }
        ::selection {
            background: var(--accent-glow);
            color: #fff;
        }