*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.7;
            color: #1a1a2e;
            background: #fafafc;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #e74c3c;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
            color: #0a0a1a;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 1.2rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.9rem;
            margin-bottom: 1rem;
            margin-top: 2.8rem;
            border-bottom: 3px solid #c0392b;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.5rem;
            margin-bottom: 0.8rem;
            margin-top: 2rem;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            margin-top: 1.5rem;
            color: #34495e;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(145deg, #0a0a1a 0%, #1a1a3e 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: 2px;
            background: linear-gradient(135deg, #f7b731, #e74c3c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 10px rgba(231, 76, 60, 0.2);
        }
        .my-logo:hover {
            text-decoration: none;
            -webkit-text-fill-color: #f7b731;
        }
        .my-logo span {
            font-weight: 300;
            color: #aaa;
            -webkit-text-fill-color: #aaa;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .primary-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .primary-nav a {
            color: #ddd;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
        }
        .primary-nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #f7b731;
            text-decoration: none;
        }
        .primary-nav a.active {
            background: #c0392b;
            color: #fff;
        }
        .breadcrumb {
            background: #f0f0f5;
            padding: 0.6rem 0;
            font-size: 0.88rem;
            border-bottom: 1px solid #e0e0e8;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #999;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #c0392b;
        }
        .breadcrumb .current {
            color: #c0392b;
            font-weight: 600;
        }
        .main-content {
            padding: 2rem 0 3rem;
        }
        .last-updated {
            display: inline-block;
            background: #f7f0e8;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #666;
            margin-bottom: 1.2rem;
            border-left: 4px solid #c0392b;
        }
        .last-updated i {
            margin-right: 0.4rem;
            color: #c0392b;
        }
        .feature-image-wrap {
            margin: 1.8rem 0 2.2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
        }
        .feature-image-wrap img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .feature-image-wrap figcaption {
            background: #f7f0e8;
            padding: 0.7rem 1.2rem;
            font-size: 0.88rem;
            color: #555;
            font-style: italic;
        }
        .search-section {
            background: #f0f0f8;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 2.5rem 0;
            border: 1px solid #e0e0ed;
        }
        .search-section form {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            max-width: 640px;
        }
        .search-section input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #ddd;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-section input[type="text"]:focus {
            border-color: #c0392b;
        }
        .search-section button {
            background: #c0392b;
            color: #fff;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-section button:hover {
            background: #a93226;
            transform: scale(1.02);
        }
        .user-feedback {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 3rem 0 2rem;
        }
        .feedback-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            border: 1px solid #ececf0;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            border-bottom: 2px solid #f0f0f0;
            padding-bottom: 0.6rem;
            margin-bottom: 1.2rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .feedback-card input,
        .feedback-card textarea {
            padding: 0.7rem 1rem;
            border: 2px solid #e0e0e8;
            border-radius: 10px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.3s;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus {
            border-color: #c0392b;
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card button {
            background: #2c3e50;
            color: #fff;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            background: #1a2a3a;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #ddd;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: color 0.15s;
            color: #ddd;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f7b731;
        }
        friend-link {
            display: block;
            background: #f7f7fc;
            border-top: 3px solid #c0392b;
            padding: 1.5rem 0;
            margin-top: 3rem;
        }
        friend-link .fl-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 2rem;
            align-items: center;
            justify-content: center;
        }
        friend-link .fl-label {
            font-weight: 700;
            font-size: 1rem;
            color: #1a1a2e;
        }
        friend-link a {
            color: #c0392b;
            font-weight: 500;
            padding: 0.2rem 0.6rem;
        }
        friend-link a:hover {
            background: #c0392b;
            color: #fff;
            border-radius: 6px;
            text-decoration: none;
        }
        .site-footer {
            background: #0a0a1a;
            color: #bbb;
            padding: 2rem 0;
            font-size: 0.9rem;
        }
        .site-footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: space-between;
            align-items: center;
        }
        .site-footer .copyright {
            color: #888;
        }
        .site-footer .copyright strong {
            color: #ddd;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.2rem;
                padding-top: 0.8rem;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 0.6rem;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav a {
                padding: 0.7rem 1rem;
                width: 100%;
            }
            .user-feedback {
                grid-template-columns: 1fr;
            }
            .search-section form {
                flex-direction: column;
            }
            .search-section input[type="text"] {
                min-width: auto;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
            }
            .feature-image-wrap img {
                max-height: 240px;
            }
        }
        @media (min-width: 769px) {
            .primary-nav {
                display: flex !important;
            }
        }
        .text-muted {
            color: #777;
        }
        .mt-2 {
            margin-top: 1.5rem;
        }
        .mb-1 {
            margin-bottom: 0.8rem;
        }
        .highlight {
            background: #fcf3e8;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: #c0392b;
            color: #fff;
            font-size: 0.75rem;
            padding: 0.15rem 0.7rem;
            border-radius: 30px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        table th,
        table td {
            padding: 0.7rem 1rem;
            border: 1px solid #e0e0e8;
            text-align: left;
        }
        table th {
            background: #1a1a3e;
            color: #fff;
            font-weight: 600;
        }
        table tr:nth-child(even) {
            background: #f7f7fc;
        }
        .anchor-offset {
            scroll-margin-top: 90px;
        }