*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: #0b0e14;
            color: #e8edf5;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #7bb3ff;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #a8d1ff;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #f0f4fc;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4em;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #ff6b35;
            padding-left: 0.7rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #c8d6f0;
        }
        h4 {
            font-size: 1.1rem;
            color: #a8b9d9;
        }
        p {
            margin-bottom: 1.2rem;
            color: #d0d9e8;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: #151e2a;
            border-bottom: 2px solid #2a3a4a;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            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;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            background: linear-gradient(135deg, #ff6b35, #f7c948);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #f7c948;
            font-size: 1.5rem;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #e8edf5;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #1f2c3a;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
        }
        .main-nav a {
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.95rem;
            color: #c8d6f0;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: #1f2c3a;
            color: #fff;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #2a3a4a;
            color: #f7c948;
        }
        .breadcrumb {
            background: #0f151e;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #1f2c3a;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.4rem 0.2rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.6rem;
            color: #5a7a8a;
        }
        .breadcrumb a {
            color: #7bb3ff;
        }
        .breadcrumb .current {
            color: #b0c4dd;
        }
        .hero {
            background: linear-gradient(145deg, #0f1a24, #1a2a3a);
            padding: 2.5rem 0 2rem;
            text-align: center;
            border-bottom: 3px solid #ff6b35;
        }
        .hero h1 {
            font-size: 2.8rem;
            margin: 0 0 0.5rem;
            background: linear-gradient(135deg, #ff6b35, #f7c948);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero .subtitle {
            font-size: 1.1rem;
            color: #a8b9d9;
            max-width: 700px;
            margin: 0 auto 1rem;
        }
        .hero .meta-info {
            font-size: 0.9rem;
            color: #7a8a9a;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.2rem;
        }
        .hero .meta-info i {
            margin-right: 0.3rem;
            color: #f7c948;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
            background: #131c28;
            border-radius: 16px;
            padding: 1.8rem 1.5rem;
            border: 1px solid #1f2c3a;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #2a3a4a;
            padding-bottom: 0.6rem;
            color: #f7c948;
        }
        .sidebar ul {
            list-style: none;
            margin-top: 0.8rem;
        }
        .sidebar li {
            margin-bottom: 0.5rem;
        }
        .sidebar a {
            display: block;
            padding: 0.4rem 0.6rem;
            border-radius: 6px;
            font-size: 0.92rem;
            transition: background 0.2s;
        }
        .sidebar a:hover {
            background: #1f2c3a;
            text-decoration: none;
        }
        .featured-image {
            margin: 1.8rem 0 2rem;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
        }
        .featured-image img {
            width: 100%;
            object-fit: cover;
            max-height: 480px;
        }
        .featured-image figcaption {
            background: #0f151e;
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #8a9aaf;
            text-align: center;
        }
        .section-divider {
            border: none;
            height: 2px;
            background: linear-gradient(to right, transparent, #2a3a4a, transparent);
            margin: 2.5rem 0;
        }
        .highlight-box {
            background: #151e2a;
            border-left: 4px solid #ff6b35;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.2rem;
            margin: 1.8rem 0;
        }
        .stat-card {
            background: #151e2a;
            padding: 1.2rem;
            border-radius: 12px;
            text-align: center;
            border: 1px solid #1f2c3a;
            transition: transform 0.2s, border-color 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            border-color: #ff6b35;
        }
        .stat-card .number {
            font-size: 2rem;
            font-weight: 800;
            color: #f7c948;
        }
        .stat-card .label {
            color: #8a9aaf;
            font-size: 0.9rem;
        }
        .form-card {
            background: #151e2a;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            border: 1px solid #1f2c3a;
            margin: 2rem 0;
        }
        .form-card h3 {
            margin-top: 0;
            color: #f7c948;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            font-size: 0.95rem;
            color: #c8d6f0;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border-radius: 10px;
            border: 1px solid #2a3a4a;
            background: #0f151e;
            color: #e8edf5;
            font-size: 0.95rem;
            transition: border 0.2s, box-shadow 0.2s;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #ff6b35;
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
        }
        .form-group textarea {
            min-height: 90px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 2rem;
            border: none;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            background: #ff6b35;
            color: #fff;
        }
        .btn:hover {
            background: #e85a2a;
            transform: scale(1.02);
        }
        .btn:active {
            transform: scale(0.98);
        }
        .btn-secondary {
            background: #2a3a4a;
            color: #e8edf5;
        }
        .btn-secondary:hover {
            background: #3a4a5a;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 1.5rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #4a5a6a;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f7c948;
        }
        .comment-item {
            background: #0f151e;
            border-radius: 12px;
            padding: 1rem 1.3rem;
            margin-bottom: 1rem;
            border-left: 3px solid #2a3a4a;
        }
        .comment-item .author {
            font-weight: 700;
            color: #f7c948;
        }
        .comment-item .time {
            font-size: 0.8rem;
            color: #5a7a8a;
        }
        .comment-item .text {
            margin-top: 0.3rem;
        }
        .site-footer {
            background: #0a0f16;
            border-top: 2px solid #1f2c3a;
            padding: 2.5rem 0 1.5rem;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .site-footer h4 {
            color: #f7c948;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #7bb3ff;
        }
        friend-link {
            display: block;
            background: #0f151e;
            border-radius: 12px;
            padding: 1.2rem 1.5rem;
            border: 1px solid #1f2c3a;
            margin: 1.2rem 0;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 0.6rem 0.3rem 0;
            padding: 0.3rem 0.8rem;
            background: #1a2634;
            border-radius: 6px;
            font-size: 0.9rem;
        }
        friend-link a:hover {
            background: #2a3a4a;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #1a2634;
            font-size: 0.85rem;
            color: #5a7a8a;
        }
        .copyright strong {
            color: #8a9aaf;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            html {
                font-size: 15px;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #151e2a;
                border-radius: 12px;
                padding: 0.6rem 0;
                margin-top: 0.4rem;
                border: 1px solid #1f2c3a;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.7rem 1.2rem;
                width: 100%;
                border-radius: 0;
            }
            .header-inner {
                align-items: center;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero .subtitle {
                font-size: 0.95rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .form-card {
                padding: 1.2rem;
            }
            .sidebar {
                padding: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .breadcrumb ol {
                font-size: 0.75rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
        }
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-up {
            animation: fadeUp 0.6s ease forwards;
        }
        .tag {
            display: inline-block;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            background: #1f2c3a;
            font-size: 0.8rem;
            color: #a8b9d9;
            margin: 0.2rem 0.2rem;
        }
        .tag i {
            margin-right: 0.3rem;
            color: #f7c948;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
            background: #0f151e;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #1a2634;
        }
        th {
            background: #1a2634;
            color: #f7c948;
            font-weight: 600;
        }
        tr:hover td {
            background: #151e2a;
        }
        .text-muted {
            color: #5a7a8a;
        }
        .text-glow {
            color: #f7c948;
        }
        .mt-1 {
            margin-top: 0.5rem;
        }
        .mt-2 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 0.5rem;
        }
        .mb-2 {
            margin-bottom: 1rem;
        }