*,
        *::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, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #0d0f14;
            color: #e8edf2;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #6ecbf5;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #aae0ff;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #f0f4fa;
            margin-top: 1.6rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4rem;
        }
        h2 {
            font-size: 1.9rem;
            border-bottom: 2px solid #2a3140;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.45rem;
            color: #cfdce8;
        }
        h4 {
            font-size: 1.2rem;
            color: #b0c4d8;
        }
        p {
            margin-bottom: 1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: #141820;
            border-bottom: 2px solid #2a3140;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(8px);
            background: rgba(20, 24, 32, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem 1rem;
        }
        .my-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: #f0c060;
            letter-spacing: -0.5px;
            text-transform: uppercase;
            background: linear-gradient(135deg, #f0c060, #f5a030);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.65rem;
            -webkit-text-fill-color: #8899b0;
            color: #8899b0;
            display: block;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        .nav-toggle {
            display: none;
            font-size: 1.6rem;
            background: none;
            border: none;
            color: #e8edf2;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #2a3140;
        }
        .nav-list {
            display: flex;
            gap: 0.2rem 0.8rem;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
        }
        .nav-list a {
            display: block;
            padding: 0.4rem 0.8rem;
            border-radius: 6px;
            font-size: 0.92rem;
            font-weight: 500;
            color: #b8c8e0;
            transition: background 0.2s, color 0.2s;
        }
        .nav-list a:hover {
            background: #2a3140;
            color: #f0f4fa;
            text-decoration: none;
        }
        .breadcrumb {
            padding: 0.6rem 0 0.2rem;
            font-size: 0.85rem;
            color: #8899b0;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            list-style: none;
            padding: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #556;
        }
        .breadcrumb a {
            color: #6ecbf5;
        }
        main {
            flex: 1;
            padding: 1.6rem 0 2.4rem;
        }
        .section-box {
            background: #1a1f2a;
            border-radius: 16px;
            padding: 1.8rem 1.8rem 2.2rem;
            margin-bottom: 2rem;
            border: 1px solid #2a3140;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }
        .section-box.light {
            background: #1e2432;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.2rem;
            margin: 1.2rem 0;
        }
        .feature-card {
            background: #232b3a;
            padding: 1.2rem 1rem 1rem;
            border-radius: 12px;
            border-left: 4px solid #f0c060;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
        }
        .feature-card i {
            color: #f0c060;
            font-size: 1.6rem;
            margin-bottom: 0.4rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
        }
        th,
        td {
            padding: 0.7rem 0.9rem;
            text-align: left;
            border-bottom: 1px solid #2a3140;
        }
        th {
            background: #232b3a;
            font-weight: 600;
            color: #f0c060;
        }
        tr:hover td {
            background: #1e2432;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #cfdce8;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border-radius: 8px;
            border: 1px solid #2a3140;
            background: #141820;
            color: #e8edf2;
            font-size: 0.95rem;
            transition: border 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #f0c060;
            outline: none;
            box-shadow: 0 0 0 3px rgba(240, 192, 96, 0.15);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.6rem;
            border-radius: 8px;
            border: none;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            background: #f0c060;
            color: #0d0f14;
        }
        .btn:hover {
            background: #f5d080;
            transform: translateY(-1px);
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-secondary {
            background: #2a3140;
            color: #e8edf2;
        }
        .btn-secondary:hover {
            background: #3a4560;
        }
        .comment-item {
            background: #232b3a;
            border-radius: 10px;
            padding: 1rem 1.2rem;
            margin-bottom: 0.8rem;
            border-left: 3px solid #6ecbf5;
        }
        .comment-item .meta {
            font-size: 0.82rem;
            color: #8899b0;
            margin-bottom: 0.3rem;
        }
        .comment-item .name {
            font-weight: 600;
            color: #f0c060;
        }
        .star-rating {
            display: flex;
            gap: 0.2rem;
            font-size: 1.5rem;
            color: #3a4560;
            cursor: pointer;
        }
        .star-rating .star.active {
            color: #f0c060;
        }
        .star-rating .star:hover,
        .star-rating .star.hover {
            color: #f5d080;
        }
        .rating-display {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.1rem;
        }
        .rating-display i {
            color: #f0c060;
        }
        friend-link {
            display: block;
            background: #141820;
            border-radius: 12px;
            padding: 1.2rem 1.4rem;
            margin-top: 1.2rem;
            border: 1px solid #2a3140;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 1rem 0.2rem 0;
            padding: 0.2rem 0.6rem;
            font-size: 0.9rem;
        }
        .site-footer {
            background: #141820;
            border-top: 2px solid #2a3140;
            padding: 1.6rem 0;
            text-align: center;
            font-size: 0.85rem;
            color: #667;
        }
        .site-footer .copyright {
            margin-top: 0.6rem;
            color: #556;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #141820;
                border-radius: 10px;
                padding: 0.6rem 0;
                margin-top: 0.4rem;
                border: 1px solid #2a3140;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                padding: 0.6rem 1.2rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .section-box {
                padding: 1.2rem 1rem 1.6rem;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.2rem;
            }
        }
        @media (min-width: 769px) {
            .nav-list {
                display: flex !important;
            }
            .nav-toggle {
                display: none !important;
            }
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .text-muted {
            color: #8899b0;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        .gap-1 {
            gap: 1rem;
        }
        .emoji-lg {
            font-size: 1.8rem;
        }
        .highlight {
            color: #f0c060;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: #f0c060;
            color: #0d0f14;
            padding: 0.1rem 0.8rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
        }
        hr {
            border: none;
            border-top: 1px solid #2a3140;
            margin: 1.4rem 0;
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0d0f14;
        }
        ::-webkit-scrollbar-thumb {
            background: #2a3140;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #3a4560;
        }
        .img-wrapper {
            border-radius: 12px;
            overflow: hidden;
            margin: 1.2rem 0;
            background: #232b3a;
            border: 1px solid #2a3140;
        }
        .img-wrapper img {
            width: 100%;
            object-fit: cover;
        }
        .img-caption {
            font-size: 0.82rem;
            color: #8899b0;
            padding: 0.4rem 1rem 0.8rem;
            text-align: center;
        }