*,
        *::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, Roboto, sans-serif;
            background: #f9f7f4;
            color: #1e1e2a;
            line-height: 1.7;
            padding: 0 0 0 0;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #b45309;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #7c2d12;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(145deg, #1a1a2e 0%, #16213e 100%);
            color: #fff;
            padding: 1rem 0;
            border-bottom: 4px solid #f59e0b;
            position: relative;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fbbf24;
            text-shadow: 0 2px 8px rgba(251, 191, 36, 0.25);
            transition: transform 0.2s;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #fcd34d;
            text-decoration: none;
        }
        .my-logo i {
            margin-right: 6px;
            color: #f59e0b;
        }
        .my-logo span {
            font-weight: 300;
            color: #e2e8f0;
            font-size: 0.9rem;
            margin-left: 6px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.2rem 1rem;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e2e8f0;
            font-weight: 500;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            transition: background 0.25s, color 0.25s;
            font-size: 0.95rem;
        }
        .nav-menu a:hover {
            background: rgba(251, 191, 36, 0.18);
            color: #fbbf24;
            text-decoration: none;
        }
        .nav-menu .active {
            color: #fbbf24;
            border-bottom: 2px solid #fbbf24;
        }
        .hamburger {
            display: none;
            font-size: 1.6rem;
            cursor: pointer;
            color: #fbbf24;
            background: none;
            border: none;
            padding: 0.2rem 0.6rem;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        .breadcrumb {
            background: #fff;
            padding: 0.7rem 0;
            border-bottom: 1px solid #e5e7eb;
            font-size: 0.9rem;
            color: #6b7280;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #9ca3af;
        }
        .breadcrumb a {
            color: #b45309;
        }
        .breadcrumb .current {
            color: #374151;
            font-weight: 500;
        }
        .main-content {
            padding: 2rem 0 3rem;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #0f172a;
            margin-bottom: 1rem;
            line-height: 1.2;
            border-left: 6px solid #f59e0b;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #1e293b;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            border-bottom: 2px solid #e5e7eb;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: #334155;
            margin-top: 2rem;
            margin-bottom: 0.7rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #475569;
            margin-top: 1.4rem;
            margin-bottom: 0.4rem;
        }
        p {
            margin-bottom: 1.2rem;
            color: #2d3a4a;
        }
        .lead {
            font-size: 1.2rem;
            color: #1e293b;
            font-weight: 400;
            background: #fef9ee;
            padding: 1.2rem 1.6rem;
            border-radius: 12px;
            border-left: 5px solid #f59e0b;
            margin-bottom: 2rem;
        }
        .highlight {
            background: #fef3c7;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 0.3rem;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
            margin: 1.8rem 0;
        }
        .card {
            background: #fff;
            border-radius: 14px;
            padding: 1.6rem 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #f0f0f0;
            transition: transform 0.25s, box-shadow 0.25s;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
        }
        .card i {
            font-size: 2rem;
            color: #f59e0b;
            margin-bottom: 0.6rem;
        }
        .card h4 {
            margin-top: 0;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6rem 0;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .data-table th {
            background: #1e293b;
            color: #fbbf24;
            font-weight: 600;
            padding: 0.9rem 1.2rem;
            text-align: left;
        }
        .data-table td {
            padding: 0.8rem 1.2rem;
            border-bottom: 1px solid #e5e7eb;
            color: #2d3a4a;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #fef9ee;
        }
        .form-box {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #e5e7eb;
            margin: 1.6rem 0;
        }
        .form-box label {
            font-weight: 600;
            display: block;
            margin-bottom: 0.3rem;
            color: #1e293b;
        }
        .form-box input,
        .form-box textarea,
        .form-box select {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid #d1d5db;
            border-radius: 8px;
            font-size: 1rem;
            background: #fafafa;
            transition: border 0.2s, box-shadow 0.2s;
            margin-bottom: 1rem;
            font-family: inherit;
        }
        .form-box input:focus,
        .form-box textarea:focus {
            border-color: #f59e0b;
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
            outline: none;
            background: #fff;
        }
        .form-box textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            padding: 0.7rem 2rem;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            background: #f59e0b;
            color: #1e293b;
        }
        .btn:hover {
            background: #d97706;
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-secondary {
            background: #1e293b;
            color: #fbbf24;
        }
        .btn-secondary:hover {
            background: #0f172a;
            color: #fbbf24;
        }
        .btn-sm {
            padding: 0.4rem 1.2rem;
            font-size: 0.9rem;
        }
        .star-group {
            display: flex;
            gap: 0.3rem;
            margin: 0.6rem 0 1rem;
            font-size: 1.8rem;
            color: #d1d5db;
            cursor: pointer;
            direction: rtl;
        }
        .star-group i {
            transition: color 0.2s, transform 0.15s;
        }
        .star-group i:hover,
        .star-group i:hover~i {
            color: #f59e0b;
            transform: scale(1.1);
        }
        .star-group .active-star {
            color: #f59e0b;
        }
        .comment-item {
            background: #f8f6f2;
            padding: 1rem 1.4rem;
            border-radius: 12px;
            margin-bottom: 0.8rem;
            border-left: 4px solid #f59e0b;
        }
        .comment-item strong {
            color: #0f172a;
        }
        .comment-item .meta {
            font-size: 0.8rem;
            color: #6b7280;
            margin-top: 0.2rem;
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 2rem 0 1.5rem;
            border-top: 4px solid #f59e0b;
            margin-top: 2.5rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.8rem;
        }
        .site-footer a {
            color: #fbbf24;
        }
        .site-footer a:hover {
            color: #fcd34d;
        }
        .site-footer .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 1.2rem;
            border-top: 1px solid #1e293b;
            margin-top: 1rem;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        friend-link {
            display: block;
            background: #1e293b;
            padding: 1.2rem 1.4rem;
            border-radius: 12px;
            margin: 0.8rem 0;
            color: #e2e8f0;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.6rem 0.2rem 0;
            padding: 0.2rem 0.8rem;
            background: #2d3a4a;
            border-radius: 20px;
            font-size: 0.9rem;
            color: #fbbf24;
        }
        friend-link a:hover {
            background: #f59e0b;
            color: #0f172a;
            text-decoration: none;
        }
        .updated-badge {
            display: inline-block;
            background: #1e293b;
            color: #fbbf24;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 0 0.5rem;
                gap: 0.5rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                width: 100%;
                padding: 0.5rem 0.8rem;
                border-radius: 6px;
            }
            .header-inner {
                align-items: center;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .container {
                padding: 0 1rem;
            }
            .form-box {
                padding: 1.2rem 1rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.6rem 0.8rem;
                font-size: 0.85rem;
            }
            .lead {
                font-size: 1rem;
                padding: 1rem 1.2rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (min-width: 769px) {
            .nav-menu {
                display: flex !important;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #f59e0b;
            color: #1e293b;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
            cursor: pointer;
            transition: transform 0.2s, opacity 0.3s;
            opacity: 0;
            pointer-events: none;
            border: none;
            z-index: 999;
        }
        .scroll-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .scroll-top:hover {
            transform: scale(1.1);
            background: #d97706;
            color: #fff;
        }
        .inline-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            padding: 0;
            list-style: none;
        }
        .inline-list li::before {
            content: "🎵 ";
        }
        .tag {
            display: inline-block;
            background: #e5e7eb;
            padding: 0.15rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            color: #374151;
        }
        .author-box {
            background: #fef9ee;
            border-radius: 14px;
            padding: 1.4rem 1.8rem;
            margin: 2rem 0;
            border: 1px solid #fde68a;
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: #f59e0b;
        }