*,
        *::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, 'Helvetica Neue', sans-serif;
            line-height: 1.8;
            color: #1e1e2a;
            background: #faf9f6;
            padding: 0;
            margin: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #b45309;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #7a2e0e;
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #1a1a2e;
            margin-top: 1.8em;
            margin-bottom: 0.5em;
            letter-spacing: -0.01em;
        }
        h1 {
            font-size: 2.6rem;
            margin-top: 0.4em;
            margin-bottom: 0.3em;
            border-left: 6px solid #d97706;
            padding-left: 20px;
        }
        h2 {
            font-size: 2rem;
            border-bottom: 2px solid #e5e7eb;
            padding-bottom: 0.25em;
        }
        h3 {
            font-size: 1.5rem;
            color: #2d2d44;
        }
        h4 {
            font-size: 1.2rem;
            color: #3d3d54;
        }
        p {
            margin-bottom: 1.2em;
            font-size: 1.05rem;
            color: #2a2a3a;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 400;
            color: #3d3d54;
            background: #f0ede6;
            padding: 1.2rem 1.8rem;
            border-radius: 12px;
            border-left: 6px solid #d97706;
        }
        strong,
        b {
            color: #1a1a2e;
            font-weight: 700;
        }
        .highlight {
            background: #fef3c7;
            padding: 0.1em 0.3em;
            border-radius: 4px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
            color: #fff;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px 20px;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: #fbbf24;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
            color: #fbbf24;
        }
        .my-logo i {
            font-size: 2rem;
            color: #f59e0b;
        }
        .my-logo span {
            font-size: 0.75rem;
            font-weight: 400;
            color: #d1d5db;
            letter-spacing: 0.2px;
            display: block;
            line-height: 1.2;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px 16px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e5e7eb;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 14px;
            border-radius: 30px;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: #fbbf24;
            color: #1a1a2e;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #fbbf24;
            color: #1a1a2e;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #fbbf24;
            color: #fbbf24;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(251, 191, 36, 0.15);
        }
        .breadcrumb {
            background: #f0ede6;
            padding: 10px 0;
            font-size: 0.9rem;
            color: #5a5a6e;
            border-bottom: 1px solid #e5e7eb;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #9ca3af;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #b45309;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #6b7280;
            font-weight: 600;
        }
        .featured-image-wrap {
            margin: 2rem 0 1.5rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            background: #e5e7eb;
        }
        .featured-image-wrap img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
        }
        .featured-image-wrap figcaption {
            padding: 10px 18px;
            font-size: 0.9rem;
            color: #5a5a6e;
            background: #f9f7f4;
            border-top: 1px solid #e5e7eb;
            font-style: italic;
        }
        .search-section {
            background: #f0ede6;
            padding: 28px 24px;
            border-radius: 16px;
            margin: 2.5rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .search-form label {
            font-weight: 600;
            color: #1a1a2e;
            font-size: 1.1rem;
        }
        .search-form input[type="text"] {
            flex: 1 1 260px;
            padding: 14px 20px;
            border: 2px solid #d1d5db;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.25s, box-shadow 0.25s;
            background: #fff;
        }
        .search-form input[type="text"]:focus {
            border-color: #d97706;
            box-shadow: 0 0 0 4px rgba(217, 119, 6, 0.15);
        }
        .search-form button {
            background: #d97706;
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form button:hover {
            background: #b45309;
            transform: scale(1.02);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 2.5rem 0;
        }
        .rating-box,
        .comment-box {
            background: #fff;
            padding: 24px 28px;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e5e7eb;
        }
        .rating-box h3,
        .comment-box h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 10px;
            color: #1a1a2e;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 2rem;
            cursor: pointer;
            color: #d1d5db;
            transition: color 0.15s;
            margin: 12px 0;
        }
        .star-rating .star {
            transition: color 0.15s, transform 0.1s;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #f59e0b;
            transform: scale(1.1);
        }
        .rating-box form,
        .comment-box form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 8px;
        }
        .rating-box form input,
        .comment-box form input,
        .comment-box form textarea {
            padding: 12px 16px;
            border: 2px solid #d1d5db;
            border-radius: 10px;
            font-size: 1rem;
            outline: none;
            transition: border 0.25s;
            font-family: inherit;
            background: #faf9f6;
        }
        .rating-box form input:focus,
        .comment-box form input:focus,
        .comment-box form textarea:focus {
            border-color: #d97706;
        }
        .comment-box form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .interaction-grid button {
            background: #1a1a2e;
            color: #fff;
            border: none;
            padding: 12px 24px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            align-self: flex-start;
        }
        .interaction-grid button:hover {
            background: #2d2d44;
            transform: scale(1.02);
        }
        .content-area {
            background: #fff;
            padding: 2rem 2.4rem;
            border-radius: 20px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
            margin: 2rem 0;
        }
        .content-area p,
        .content-area li {
            font-size: 1.05rem;
            color: #2a2a3a;
        }
        .content-area ul,
        .content-area ol {
            padding-left: 1.6rem;
            margin-bottom: 1.4em;
        }
        .content-area li {
            margin-bottom: 0.5em;
        }
        .content-area .insight-box {
            background: #f0f4ff;
            border-left: 6px solid #2563eb;
            padding: 1.2rem 1.8rem;
            border-radius: 12px;
            margin: 1.8rem 0;
        }
        .content-area .insight-box strong {
            color: #1e3a8a;
        }
        .content-area .pro-tip {
            background: #fefce8;
            border-left: 6px solid #eab308;
            padding: 1.2rem 1.8rem;
            border-radius: 12px;
            margin: 1.8rem 0;
        }
        .content-area .data-card {
            background: #f9f7f4;
            border-radius: 16px;
            padding: 1.4rem 1.8rem;
            margin: 1.8rem 0;
            border: 1px solid #e5e7eb;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
        }
        .content-area .data-card i {
            font-size: 2.2rem;
            color: #d97706;
        }
        .content-area .data-card .stat {
            font-size: 2rem;
            font-weight: 800;
            color: #1a1a2e;
            line-height: 1.2;
        }
        .content-area .data-card .stat-label {
            font-size: 0.95rem;
            color: #6b7280;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.8rem 0;
            border-radius: 12px;
            border: 1px solid #e5e7eb;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.98rem;
            min-width: 480px;
        }
        .table-wrap th,
        .table-wrap td {
            padding: 12px 18px;
            text-align: left;
            border-bottom: 1px solid #e5e7eb;
        }
        .table-wrap th {
            background: #1a1a2e;
            color: #fbbf24;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .table-wrap tr:nth-child(even) {
            background: #f9f7f4;
        }
        .table-wrap tr:hover {
            background: #fef3c7;
        }
        .site-footer {
            background: #1a1a2e;
            color: #d1d5db;
            padding: 40px 0 24px;
            margin-top: 3rem;
            border-top: 4px solid #fbbf24;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
        }
        .footer-inner h4 {
            color: #fbbf24;
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 1px solid #374151;
            padding-bottom: 8px;
        }
        .footer-inner a {
            color: #d1d5db;
        }
        .footer-inner a:hover {
            color: #fbbf24;
            text-decoration: underline;
        }
        .friend-link {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .friend-link a {
            padding: 4px 0;
            border-bottom: 1px solid #2d2d44;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid #374151;
            margin-top: 24px;
            font-size: 0.9rem;
            color: #9ca3af;
        }
        .copyright strong {
            color: #fbbf24;
        }
        .back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #d97706;
            color: #fff;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
            transition: transform 0.2s, background 0.2s;
            z-index: 999;
            border: none;
            cursor: pointer;
        }
        .back-top:hover {
            background: #b45309;
            transform: translateY(-4px);
        }
        @media (max-width: 900px) {
            .header-inner {
                flex-direction: row;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: #2d2d44;
                padding: 16px 12px;
                border-radius: 16px;
                margin-top: 8px;
                gap: 6px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                border-radius: 8px;
                border-bottom: 1px solid #3d3d54;
            }
            .nav-toggle {
                display: block;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .content-area {
                padding: 1.2rem 1.2rem;
            }
            .search-section {
                padding: 20px 16px;
            }
            .rating-box,
            .comment-box {
                padding: 18px 16px;
            }
            .featured-image-wrap img {
                max-height: 280px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            h1 {
                font-size: 1.6rem;
                padding-left: 12px;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .search-form input[type="text"] {
                flex: 1 1 100%;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .star-rating {
                font-size: 1.6rem;
            }
            .table-wrap table {
                font-size: 0.85rem;
                min-width: 300px;
            }
            .table-wrap th,
            .table-wrap td {
                padding: 8px 10px;
            }
            .back-top {
                bottom: 16px;
                right: 16px;
                width: 42px;
                height: 42px;
                font-size: 1.2rem;
            }
        }
        @media print {
            .site-header,
            .site-footer,
            .back-top,
            .search-section,
            .interaction-grid,
            .nav-toggle {
                display: none !important;
            }
            .content-area {
                box-shadow: none;
                border: none;
                padding: 0;
            }
            body {
                background: #fff;
                color: #000;
            }
        }