*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #0d0f1a;
            color: #e8edf5;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #7fc8f8;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #ffd966;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.6rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.3;
            color: #f0f4ff;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.2rem;
            border-bottom: 3px solid #ffd966;
            display: inline-block;
            padding-bottom: 0.3rem;
        }
        h2 {
            font-size: 1.9rem;
            border-left: 5px solid #f7b731;
            padding-left: 1rem;
            margin-top: 2.6rem;
        }
        h3 {
            font-size: 1.5rem;
            color: #ffd966;
            margin-top: 2rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #b8d4f0;
            margin-top: 1.4rem;
            font-weight: 500;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #dce3ef;
        }
        strong,
        b {
            color: #ffd966;
            font-weight: 600;
        }
        em {
            color: #aac9f0;
        }
        hr {
            border: none;
            border-top: 1px solid #2a2e42;
            margin: 2.5rem 0;
        }
        .wrapper {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
            flex: 1;
            width: 100%;
        }
        .site-header {
            background: linear-gradient(145deg, #131729 0%, #1a2040 100%);
            border-bottom: 2px solid #2d3355;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(8px);
            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;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #ffd966, #f7a731);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 12px rgba(255, 217, 102, 0.15);
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #8899cc;
            color: #8899cc;
            background: none;
            display: block;
            font-weight: 400;
            letter-spacing: 2px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f0f4ff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.3rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .main-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #c8d6f0;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: rgba(255, 217, 102, 0.12);
            color: #ffd966;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.9rem 0 0.3rem 0;
            margin: 0;
            font-size: 0.9rem;
            color: #8899bb;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 10px;
            color: #556688;
            font-size: 1.2rem;
        }
        .breadcrumb a {
            color: #7fc8f8;
        }
        .breadcrumb a:hover {
            color: #ffd966;
        }
        .breadcrumb .current {
            color: #ffd966;
            font-weight: 500;
        }
        .search-box {
            background: #1b213b;
            border-radius: 40px;
            padding: 0.35rem 0.35rem 0.35rem 1.2rem;
            display: flex;
            align-items: center;
            border: 1px solid #2d3355;
            transition: border 0.3s, box-shadow 0.3s;
            max-width: 400px;
            margin: 1.2rem 0 0.8rem 0;
        }
        .search-box:focus-within {
            border-color: #ffd966;
            box-shadow: 0 0 20px rgba(255, 217, 102, 0.08);
        }
        .search-box input {
            background: none;
            border: none;
            outline: none;
            color: #f0f4ff;
            font-size: 1rem;
            flex: 1;
            padding: 0.5rem 0;
            min-width: 0;
        }
        .search-box input::placeholder {
            color: #556688;
        }
        .search-box button {
            background: #ffd966;
            border: none;
            color: #0d0f1a;
            padding: 0.5rem 1.4rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-box button:hover {
            background: #f7c44a;
            transform: scale(1.02);
        }
        .featured-image {
            margin: 1.8rem 0 1.2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
            background: #1a2040;
            position: relative;
        }
        .featured-image img {
            width: 100%;
            max-height: 520px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #8899bb;
            background: rgba(13, 15, 26, 0.85);
            backdrop-filter: blur(4px);
        }
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
            gap: 1.2rem;
            margin: 1.8rem 0;
        }
        .highlight-card {
            background: #161d38;
            border-radius: 16px;
            padding: 1.4rem 1.2rem;
            border: 1px solid #232a4a;
            transition: transform 0.25s, border-color 0.25s, box-shadow 0.3s;
        }
        .highlight-card:hover {
            transform: translateY(-4px);
            border-color: #ffd966;
            box-shadow: 0 12px 30px rgba(255, 217, 102, 0.06);
        }
        .highlight-card i {
            font-size: 2rem;
            color: #ffd966;
            margin-bottom: 0.6rem;
            display: inline-block;
        }
        .highlight-card h4 {
            margin-top: 0.3rem;
            color: #f0f4ff;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
            background: #131729;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid #232a4a;
        }
        .data-table th,
        .data-table td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #1f2648;
        }
        .data-table th {
            background: #1b213b;
            color: #ffd966;
            font-weight: 600;
        }
        .data-table tr:hover td {
            background: rgba(255, 217, 102, 0.04);
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0 1.5rem 0;
        }
        .feedback-card {
            background: #131729;
            border-radius: 16px;
            padding: 1.8rem 1.5rem;
            border: 1px solid #232a4a;
            transition: border-color 0.3s;
        }
        .feedback-card:hover {
            border-color: #3a4270;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card label {
            display: block;
            margin: 0.8rem 0 0.3rem 0;
            font-weight: 500;
            color: #c8d6f0;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            width: 100%;
            padding: 0.7rem 1rem;
            background: #0d0f1a;
            border: 1px solid #2d3355;
            border-radius: 10px;
            color: #f0f4ff;
            font-size: 0.95rem;
            transition: border 0.25s;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #ffd966;
            outline: none;
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            background: #ffd966;
            color: #0d0f1a;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            margin-top: 0.8rem;
            width: auto;
        }
        .feedback-card .btn-submit:hover {
            background: #f7c44a;
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #3a4270;
            margin: 0.4rem 0 0.6rem 0;
            cursor: pointer;
        }
        .rating-stars i {
            transition: color 0.2s, transform 0.15s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #ffd966;
            transform: scale(1.1);
        }
        friend-link {
            display: block;
            margin: 2rem 0 0.5rem 0;
            padding: 1.5rem 0;
            border-top: 2px solid #232a4a;
        }
        friend-link .fl-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: #ffd966;
            margin-bottom: 0.8rem;
            display: block;
        }
        friend-link .fl-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            list-style: none;
            padding: 0;
        }
        friend-link .fl-list a {
            color: #7fc8f8;
            font-size: 0.95rem;
            padding: 0.2rem 0;
        }
        friend-link .fl-list a:hover {
            color: #ffd966;
        }
        .site-footer {
            background: #0a0c16;
            border-top: 2px solid #1f2648;
            padding: 1.8rem 0 1.2rem 0;
            margin-top: 3rem;
            text-align: center;
            font-size: 0.9rem;
            color: #556688;
        }
        .site-footer .copyright {
            letter-spacing: 0.5px;
        }
        .site-footer a {
            color: #7fc8f8;
        }
        .site-footer a:hover {
            color: #ffd966;
        }
        @media (max-width: 820px) {
            .feedback-section {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 1rem 0 0.5rem 0;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 10px;
                white-space: normal;
            }
            .search-box {
                max-width: 100%;
            }
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.5rem 0.6rem;
            }
        }
        @media (max-width: 480px) {
            html {
                font-size: 15px;
            }
            .wrapper {
                padding: 0 0.8rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
                padding-left: 0.6rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .highlight-grid {
                grid-template-columns: 1fr;
            }
            .rating-stars {
                font-size: 1.5rem;
            }
        }
        .last-updated {
            font-size: 0.9rem;
            color: #556688;
            margin: 0.2rem 0 1rem 0;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .last-updated i {
            color: #ffd966;
        }
        .badge {
            display: inline-block;
            background: #ffd966;
            color: #0d0f1a;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.15rem 0.8rem;
            border-radius: 30px;
            letter-spacing: 0.5px;
        }
        .quote-block {
            border-left: 4px solid #ffd966;
            padding: 0.8rem 1.2rem;
            margin: 1.2rem 0;
            background: rgba(255, 217, 102, 0.04);
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #c8d6f0;
        }
        .quote-block cite {
            display: block;
            margin-top: 0.4rem;
            font-size: 0.9rem;
            color: #8899bb;
            font-style: normal;
        }
        .inline-link {
            font-weight: 500;
            border-bottom: 1px dotted #ffd966;
        }
        .inline-link:hover {
            border-bottom-style: solid;
        }
        .emoji-big {
            font-size: 1.5rem;
            vertical-align: middle;
        }
        .section-icon {
            margin-right: 8px;
        }
        .glossary-term {
            color: #ffd966;
            font-weight: 600;
            cursor: help;
            border-bottom: 1px dashed #ffd966;
        }