*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.8;
            color: #1a1a2e;
            background: #f8f9fc;
            padding: 0;
            margin: 0;
        }
        a { color: #c0392b; text-decoration: none; transition: color 0.25s ease; }
        a:hover, a:focus { color: #e74c3c; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; border-radius: 12px; }
        ul, ol { padding-left: 1.8rem; margin: 1rem 0; }
        li { margin-bottom: 0.5rem; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: #0d0d1a; margin-top: 1.8rem; margin-bottom: 0.8rem; }
        h1 { font-size: 2.6rem; margin-top: 0; }
        h2 { font-size: 2rem; border-bottom: 3px solid #c0392b; padding-bottom: 0.4rem; }
        h3 { font-size: 1.5rem; color: #2c3e50; }
        h4 { font-size: 1.2rem; color: #34495e; }
        p { margin-bottom: 1.2rem; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.2rem; }
        .site-header {
            background: linear-gradient(135deg, #0d0d1a 0%, #1a1a3e 100%);
            color: #fff;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0,0,0,0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 900;
            letter-spacing: 2px;
            background: linear-gradient(90deg, #f1c40f, #e67e22);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-transform: uppercase;
            text-decoration: none !important;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo i { font-size: 1.8rem; -webkit-text-fill-color: #f1c40f; }
        .my-logo:hover { opacity: 0.9; text-decoration: none !important; }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255,255,255,0.3);
            color: #fff;
            font-size: 1.6rem;
            padding: 0.4rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover { border-color: #f1c40f; color: #f1c40f; }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #ddd;
            padding: 0.5rem 1rem;
            font-size: 0.92rem;
            font-weight: 500;
            border-radius: 6px;
            transition: 0.2s;
            text-decoration: none;
        }
        .nav-menu a:hover, .nav-menu a:focus {
            background: rgba(255,255,255,0.12);
            color: #f1c40f;
            text-decoration: none;
        }
        .nav-menu a.active { color: #f1c40f; background: rgba(241,196,15,0.12); }
        .breadcrumb {
            background: #fff;
            padding: 0.7rem 1.2rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #e9ecef;
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "/";
            padding: 0 0.5rem;
            color: #888;
        }
        .breadcrumb a { color: #c0392b; }
        .breadcrumb .current { color: #555; font-weight: 600; }
        .hero-img {
            margin: 1.8rem 0 2.4rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 32px rgba(0,0,0,0.15);
            background: #0d0d1a;
        }
        .hero-img img { width: 100%; height: auto; display: block; }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.4rem;
            margin: 2rem 0;
        }
        .main-content { min-width: 0; }
        .sidebar {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 1.4rem;
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
            border: 1px solid #eef0f5;
            height: fit-content;
            position: sticky;
            top: 90px;
        }
        .sidebar h3 { font-size: 1.3rem; margin-top: 0; border-bottom: 2px solid #eee; padding-bottom: 0.6rem; }
        .sidebar ul { list-style: none; padding: 0; margin: 1rem 0; }
        .sidebar li { padding: 0.4rem 0; border-bottom: 1px solid #f0f0f0; }
        .sidebar a { color: #2c3e50; font-weight: 500; }
        .sidebar a:hover { color: #c0392b; }
        .search-box {
            background: #fff;
            border-radius: 12px;
            padding: 1.6rem;
            margin: 2rem 0;
            box-shadow: 0 4px 16px rgba(0,0,0,0.05);
            border: 1px solid #eef0f5;
        }
        .search-box h3 { margin-top: 0; display: flex; align-items: center; gap: 0.6rem; }
        .search-form { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 0.8rem; }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: 0.2s;
        }
        .search-form input:focus { border-color: #c0392b; outline: none; box-shadow: 0 0 0 3px rgba(192,57,43,0.15); }
        .search-form button {
            padding: 0.8rem 2rem;
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover { background: #a93226; transform: translateY(-1px); }
        .user-feedback {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.4rem 0;
        }
        .feedback-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            border: 1px solid #eef0f5;
        }
        .feedback-card h3 { margin-top: 0; display: flex; align-items: center; gap: 0.6rem; }
        .feedback-card textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: inherit;
            resize: vertical;
            min-height: 100px;
            transition: 0.2s;
        }
        .feedback-card textarea:focus { border-color: #c0392b; outline: none; box-shadow: 0 0 0 3px rgba(192,57,43,0.1); }
        .feedback-card input[type="text"] {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 0.95rem;
            margin: 0.5rem 0;
            transition: 0.2s;
        }
        .feedback-card input[type="text"]:focus { border-color: #c0392b; outline: none; }
        .feedback-card .btn {
            padding: 0.7rem 1.8rem;
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            margin-top: 0.6rem;
        }
        .feedback-card .btn:hover { background: #a93226; }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            margin: 0.6rem 0;
        }
        .star-rating input { display: none; }
        .star-rating label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label { color: #f1c40f; }
        friend-link {
            display: block;
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 2rem 0 0.6rem;
            border: 1px solid #eef0f5;
            box-shadow: 0 4px 16px rgba(0,0,0,0.04);
        }
        friend-link h3 { margin-top: 0; font-size: 1.2rem; color: #0d0d1a; display: flex; align-items: center; gap: 0.6rem; }
        friend-link ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0.8rem 1.6rem; margin: 0.8rem 0 0; }
        friend-link a { color: #2c3e50; font-weight: 500; }
        friend-link a:hover { color: #c0392b; }
        .site-footer {
            background: linear-gradient(135deg, #0d0d1a 0%, #1a1a3e 100%);
            color: #aaa;
            padding: 2.4rem 1.2rem 1.8rem;
            margin-top: 3rem;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 { color: #f1c40f; margin-top: 0; font-size: 1.1rem; }
        .footer-inner a { color: #bbb; }
        .footer-inner a:hover { color: #f1c40f; }
        .footer-bottom {
            max-width: 1200px;
            margin: 1.8rem auto 0;
            padding-top: 1.4rem;
            border-top: 1px solid rgba(255,255,255,0.08);
            text-align: center;
            font-size: 0.85rem;
        }
        .footer-bottom .copy { color: #888; }
        .last-updated {
            display: inline-block;
            background: #fef9e7;
            color: #7d6608;
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin: 0.8rem 0 1.2rem;
            border: 1px solid #f9e79f;
        }
        .last-updated i { margin-right: 0.4rem; }
        @media (max-width: 992px) {
            .content-wrapper { grid-template-columns: 1fr; }
            .sidebar {
                position: static;
                order: 2;
            }
            .footer-inner { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            h1 { font-size: 1.9rem; }
            h2 { font-size: 1.5rem; }
            h3 { font-size: 1.25rem; }
            .nav-toggle { display: block; }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                background: rgba(13,13,26,0.98);
                padding: 1rem 0.6rem;
                border-radius: 0 0 12px 12px;
                margin-top: 0.6rem;
            }
            .nav-menu.open { display: flex; }
            .nav-menu a { width: 100%; padding: 0.6rem 1rem; }
            .user-feedback { grid-template-columns: 1fr; }
            .footer-inner { grid-template-columns: 1fr; text-align: center; }
            .hero-img { margin: 1rem 0 1.6rem; }
            .search-form { flex-direction: column; }
            .search-form input { min-width: auto; }
            .breadcrumb { font-size: 0.8rem; padding: 0.5rem 1rem; }
            .sidebar { padding: 1.2rem; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 0.8rem; }
            .header-inner { padding: 0 0.8rem; }
            .my-logo { font-size: 1.4rem; }
            .feedback-card { padding: 1.2rem; }
            friend-link { padding: 1.2rem; }
        }
        .text-highlight { background: #fef9e7; padding: 0.1rem 0.3rem; border-radius: 4px; }
        .badge {
            display: inline-block;
            background: #c0392b;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.15rem 0.7rem;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }
        .section-spacer { margin: 2.4rem 0; }
        .schema-hidden { display: none; }