        *,
        *::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;
            background: #0b0e14;
            color: #e8edf5;
            line-height: 1.8;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #f7c948;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #ffdd77;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.75rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: #f5f1e8;
        }
        h1 {
            font-size: 2.6rem;
            margin: 1.2rem 0 0.8rem;
            background: linear-gradient(135deg, #f9d976, #f39c12);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h2 {
            font-size: 2rem;
            margin: 2.4rem 0 1rem;
            border-bottom: 2px solid #f7c94833;
            padding-bottom: 0.4rem;
            color: #f7c948;
        }
        h3 {
            font-size: 1.5rem;
            margin: 2rem 0 0.8rem;
            color: #e8d5a3;
        }
        h4 {
            font-size: 1.2rem;
            margin: 1.4rem 0 0.6rem;
            color: #d4c29a;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 1.2rem;
            width: 100%;
        }
        .badge {
            display: inline-block;
            background: #f7c948;
            color: #0b0e14;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 0.15rem 0.7rem;
            border-radius: 30px;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .site-header {
            background: #141a24;
            border-bottom: 2px solid #2a3442;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(6px);
            background: rgba(14, 18, 26, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f7c948;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            font-size: 1.6rem;
            color: #f39c12;
        }
        .my-logo:hover {
            color: #ffdd77;
            text-decoration: none;
        }
        .my-logo span {
            font-size: 0.85rem;
            font-weight: 400;
            color: #8a9bb0;
            margin-left: 0.2rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f5f1e8;
            font-size: 1.7rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #2a3442;
        }
        .main-nav {
            display: flex;
            gap: 1.6rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #c8d0dc;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: #f7c948;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after,
        .main-nav a:focus-visible::after {
            width: 100%;
        }
        .main-nav a:hover {
            text-decoration: none;
            color: #f7c948;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            font-size: 0.82rem;
            color: #8a9bb0;
            padding: 0.6rem 0 0.2rem;
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: '›';
            color: #5a6a7e;
            font-size: 1.1rem;
            margin-right: 0.4rem;
        }
        .breadcrumb a {
            color: #b0c4de;
        }
        .breadcrumb a:hover {
            color: #f7c948;
        }
        .hero {
            padding: 2.2rem 0 1.6rem;
            text-align: center;
        }
        .hero p {
            font-size: 1.15rem;
            color: #b8c7dd;
            max-width: 780px;
            margin: 0.6rem auto 1.2rem;
        }
        .hero-meta {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1.2rem 2.5rem;
            font-size: 0.9rem;
            color: #8a9bb0;
        }
        .hero-meta i {
            color: #f7c948;
            margin-right: 0.4rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 2.5rem;
            margin: 1.8rem 0 2.5rem;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 6.2rem;
            align-self: start;
        }
        .sidebar-card {
            background: #161e2a;
            border-radius: 14px;
            padding: 1.4rem 1.2rem;
            margin-bottom: 1.4rem;
            border: 1px solid #2a3442;
        }
        .sidebar-card h4 {
            margin-top: 0;
            font-size: 1.05rem;
            color: #f7c948;
            border-bottom: 1px solid #2a3442;
            padding-bottom: 0.5rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0.6rem 0 0;
        }
        .sidebar-card li {
            padding: 0.3rem 0;
            border-bottom: 1px solid #1e2836;
            margin: 0;
        }
        .sidebar-card li a {
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .sidebar-card li a i {
            font-size: 0.7rem;
            color: #f7c948;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0 1.8rem;
            border-radius: 12px;
            border: 1px solid #2a3442;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
            min-width: 600px;
        }
        th {
            background: #1f2a38;
            color: #f7c948;
            font-weight: 600;
            padding: 0.7rem 1rem;
            text-align: left;
        }
        td {
            padding: 0.6rem 1rem;
            border-top: 1px solid #1e2836;
        }
        tr:hover td {
            background: #1a2330;
        }
        .feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.2rem;
            margin: 1.4rem 0;
        }
        .feature-item {
            background: #161e2a;
            padding: 1.2rem 1rem;
            border-radius: 12px;
            border-left: 4px solid #f7c948;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }
        .feature-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
        }
        .feature-item i {
            font-size: 1.6rem;
            color: #f7c948;
            margin-bottom: 0.4rem;
            display: block;
        }
        .feature-item h4 {
            margin: 0.2rem 0 0.4rem;
            color: #e8d5a3;
        }
        .callout {
            background: #1a2535;
            border-left: 5px solid #f7c948;
            padding: 1.2rem 1.6rem;
            border-radius: 0 12px 12px 0;
            margin: 1.6rem 0;
        }
        .callout.info {
            border-left-color: #4aa3df;
        }
        .callout.warning {
            border-left-color: #e67e22;
        }
        .callout.tip {
            border-left-color: #2ecc71;
        }
        .img-wrap {
            margin: 1.8rem 0;
            border-radius: 14px;
            overflow: hidden;
            background: #141a24;
            padding: 0.6rem;
            border: 1px solid #2a3442;
        }
        .img-wrap img {
            width: 100%;
            border-radius: 8px;
        }
        .img-caption {
            font-size: 0.82rem;
            color: #8a9bb0;
            padding: 0.4rem 0.4rem 0;
            text-align: center;
            font-style: italic;
        }
        .form-card {
            background: #161e2a;
            border-radius: 14px;
            padding: 1.6rem;
            margin: 1.8rem 0;
            border: 1px solid #2a3442;
        }
        .form-card h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.9rem;
            color: #c8d0dc;
            margin-bottom: 0.3rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border-radius: 8px;
            border: 1px solid #2a3442;
            background: #0e141e;
            color: #e8edf5;
            font-size: 0.95rem;
            transition: border 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #f7c948;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #f7c948;
            color: #0b0e14;
            font-weight: 700;
            padding: 0.7rem 1.6rem;
            border: none;
            border-radius: 30px;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .btn:hover {
            background: #ffdd77;
            transform: scale(1.02);
        }
        .btn:active {
            transform: scale(0.97);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #f7c948;
            color: #f7c948;
        }
        .btn-outline:hover {
            background: #f7c94822;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 0.2rem;
            justify-content: flex-end;
            font-size: 1.6rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #3a4a5e;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f7c948;
        }
        .site-footer {
            background: #0f151f;
            border-top: 2px solid #1e2836;
            padding: 2.4rem 0 1.2rem;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.8rem;
            margin-bottom: 1.8rem;
        }
        .footer-grid h4 {
            color: #f7c948;
            margin-bottom: 0.8rem;
            font-size: 1rem;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
        }
        .footer-grid li {
            margin: 0.3rem 0;
        }
        .footer-grid a {
            font-size: 0.9rem;
            color: #b0c4de;
        }
        .footer-grid a:hover {
            color: #f7c948;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 1.2rem;
            border-top: 1px solid #1e2836;
            font-size: 0.85rem;
            color: #6a7e94;
        }
        .footer-bottom a {
            color: #b0c4de;
        }
        friend-link {
            display: block;
            margin: 0.8rem 0;
            font-size: 0.9rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 1rem 0.2rem 0;
        }
        @media (max-width: 820px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .sidebar .sidebar-card {
                margin-bottom: 0;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.25rem;
            }
        }
        @media (max-width: 640px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.2rem;
                padding: 0.8rem 0 0.4rem;
                border-top: 1px solid #2a3442;
                margin-top: 0.4rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.5rem 0;
                font-size: 1rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .hero-meta {
                flex-direction: column;
                gap: 0.4rem;
            }
            .feature-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.7rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .header-inner {
                gap: 0.4rem;
            }
            .table-wrap table {
                font-size: 0.82rem;
            }
        }
        @media (min-width: 641px) {
            .nav-toggle {
                display: none !important;
            }
            .main-nav {
                display: flex !important;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0b0e14;
        }
        ::-webkit-scrollbar-thumb {
            background: #2a3442;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #3e4d62;
        }
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(16px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-up {
            animation: fadeUp 0.6s ease forwards;
        }
