* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #0b0f15;
            color: #e8edf3;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #6fc3ff;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #ffd966;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.4rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 600;
            line-height: 1.25;
            margin-top: 0;
            color: #f0f5ff;
        }
        h1 {
            font-size: 2.2rem;
            margin-bottom: 1.2rem;
            border-left: 5px solid #ff7a2f;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.7rem;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            border-bottom: 2px solid #2a3440;
            padding-bottom: 0.5rem;
        }
        h3 {
            font-size: 1.3rem;
            margin-top: 2rem;
            margin-bottom: 0.7rem;
            color: #b3d4ff;
        }
        h4 {
            font-size: 1.05rem;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
            color: #8ab8ff;
        }
        p {
            margin-bottom: 1.2rem;
            word-break: break-word;
        }
        .container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: #141b24;
            border-bottom: 2px solid #2a3645;
            padding: 0.7rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.7);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #ff7a2f, #ffb347);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            text-shadow: 0 0 30px rgba(255, 122, 47, 0.2);
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #ff7a2f;
            font-size: 1.7rem;
        }
        .my-logo small {
            font-size: 0.6rem;
            -webkit-text-fill-color: initial;
            color: #8899aa;
            font-weight: 400;
            letter-spacing: 0.3px;
            display: block;
            margin-top: -4px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #e8edf3;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #1f2a36;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.8rem 1.6rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            font-weight: 500;
            font-size: 0.95rem;
            color: #c8d6e5;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: #ffb347;
            border-bottom-color: #ffb347;
            text-decoration: none;
        }
        .main-nav a.active {
            color: #ffb347;
            border-bottom-color: #ffb347;
        }
        .breadcrumb-wrap {
            background: #10171f;
            padding: 0.6rem 0;
            border-bottom: 1px solid #1e2a34;
            font-size: 0.9rem;
        }
        .breadcrumb-wrap nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
        }
        .breadcrumb-wrap nav a {
            color: #8aa3c0;
        }
        .breadcrumb-wrap nav span {
            margin: 0 0.4rem;
            color: #556677;
        }
        .breadcrumb-wrap .current {
            color: #ffb347;
        }
        .search-section {
            background: #141c26;
            padding: 1.2rem 0;
            border-bottom: 1px solid #1f2b37;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            gap: 0.5rem;
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 0.75rem 1.2rem;
            border: 2px solid #2a3a4a;
            border-radius: 30px;
            background: #0b1119;
            color: #e8edf3;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: #ff7a2f;
        }
        .search-form button {
            background: #ff7a2f;
            border: none;
            border-radius: 30px;
            padding: 0.75rem 1.6rem;
            font-size: 1rem;
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #e8681a;
            transform: scale(1.02);
        }
        .hero {
            padding: 2.5rem 0 1.5rem;
            text-align: center;
            background: linear-gradient(145deg, #0e151f 0%, #1a2533 100%);
            border-bottom: 1px solid #253240;
        }
        .hero h1 {
            border-left: none;
            padding-left: 0;
            font-size: 2.6rem;
            background: linear-gradient(135deg, #ffb347, #ff7a2f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.8rem;
        }
        .hero .subhead {
            font-size: 1.15rem;
            color: #a0b8d0;
            max-width: 750px;
            margin: 0 auto 1rem;
        }
        .hero .meta-info {
            font-size: 0.9rem;
            color: #7a8fa5;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.8rem 2rem;
        }
        .hero .meta-info i {
            margin-right: 0.4rem;
            color: #ff7a2f;
        }
        .content-wrap {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        .content-main {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 90px;
            align-self: start;
            background: #111a24;
            border-radius: 16px;
            padding: 1.5rem 1.2rem;
            border: 1px solid #1f2d3b;
            max-height: calc(100vh - 120px);
            overflow-y: auto;
        }
        .sidebar h3 {
            font-size: 1.1rem;
            margin-top: 0;
            color: #ffb347;
            border-bottom: 1px solid #2a3a4a;
            padding-bottom: 0.6rem;
        }
        .sidebar ul {
            list-style: none;
            padding-left: 0;
        }
        .sidebar ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #1a2632;
        }
        .sidebar ul li a {
            color: #aac3df;
            font-size: 0.92rem;
        }
        .sidebar ul li a:hover {
            color: #ffb347;
        }
        .featured-img-wrap {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            background: #1a2533;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
        }
        .featured-img-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/9;
        }
        .featured-img-wrap figcaption {
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #8aa3c0;
            background: #0d151f;
            border-top: 1px solid #1f2d3b;
        }
        .highlight-box {
            background: #16202c;
            border-left: 5px solid #ff7a2f;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.8rem 0;
            border-radius: 12px;
            border: 1px solid #1f2d3b;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #1f2d3b;
        }
        th {
            background: #1a2736;
            color: #ffb347;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #1a2635;
        }
        .feedback-section {
            background: #111a24;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 2.5rem 0;
            border: 1px solid #1f2d3b;
        }
        .feedback-section h2 {
            margin-top: 0;
            border-bottom: none;
            font-size: 1.5rem;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 500;
            margin-bottom: 0.4rem;
            color: #b3cce5;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #2a3a4a;
            border-radius: 10px;
            background: #0b1119;
            color: #e8edf3;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #ff7a2f;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .form-row .form-group {
            flex: 1;
            min-width: 140px;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #3a4a5a;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffb347;
        }
        .btn-primary {
            background: #ff7a2f;
            border: none;
            border-radius: 30px;
            padding: 0.7rem 2.2rem;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            transition: background 0.3s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .btn-primary:hover {
            background: #e8681a;
            transform: scale(1.02);
        }
        .btn-secondary {
            background: #2a3a4a;
            border: none;
            border-radius: 30px;
            padding: 0.7px 2rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: #e8edf3;
            cursor: pointer;
            transition: background 0.3s;
        }
        .btn-secondary:hover {
            background: #3a4a5a;
        }
        .site-footer {
            background: #0d141c;
            border-top: 2px solid #1f2b37;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.5rem 2rem;
            margin-bottom: 2rem;
        }
        .footer-grid h4 {
            color: #ffb347;
            margin-top: 0;
            font-size: 1rem;
            border-bottom: 1px solid #1f2b37;
            padding-bottom: 0.4rem;
        }
        .footer-grid ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-grid ul li {
            padding: 0.25rem 0;
        }
        .footer-grid ul li a {
            font-size: 0.9rem;
            color: #8aa3c0;
        }
        .footer-grid ul li a:hover {
            color: #ffb347;
        }
        .copyright {
            text-align: center;
            font-size: 0.85rem;
            color: #5a6f85;
            border-top: 1px solid #1a2632;
            padding-top: 1.5rem;
        }
        .copyright a {
            color: #8aa3c0;
        }
        friend-link {
            display: block;
            margin-bottom: 0.5rem;
        }
        friend-link a {
            color: #8aa3c0;
            font-size: 0.9rem;
        }
        friend-link a:hover {
            color: #ffb347;
        }
        @media (max-width: 820px) {
            .content-wrap {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                max-height: none;
                margin-top: 2rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 0.2rem;
                padding: 1rem 0 0.5rem;
                border-top: 1px solid #1f2b37;
                margin-top: 0.5rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 0.8rem;
                border-bottom: 1px solid #1a2632;
                white-space: normal;
            }
            .main-nav a:hover {
                border-bottom-color: #ffb347;
            }
            .feedback-section {
                padding: 1.2rem 1.2rem;
            }
            .form-row {
                flex-direction: column;
            }
            .form-row .form-group {
                min-width: auto;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo i {
                font-size: 1.3rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
            .star-rating label {
                font-size: 1.6rem;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0b1119;
        }
        ::-webkit-scrollbar-thumb {
            background: #2a3a4a;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #3a4a5a;
        }
        .tag {
            display: inline-block;
            background: #1f2d3b;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #aac3df;
            margin-right: 0.3rem;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 0.3rem;
        }
        .stat-number {
            font-weight: 700;
            color: #ffb347;
        }
        .quote-block {
            background: #0d151f;
            border-left: 4px solid #6fc3ff;
            padding: 1rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
            font-style: italic;
        }
        .quote-block cite {
            display: block;
            margin-top: 0.5rem;
            font-style: normal;
            color: #8aa3c0;
            font-size: 0.9rem;
        }