        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #f5f7fc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #2b5f8a;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #e94560;
            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;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            color: #0f0f1a;
        }
        h1 {
            font-size: 2.6rem;
            margin-top: 0.2rem;
            border-left: 6px solid #e94560;
            padding-left: 1.2rem;
        }
        h2 {
            font-size: 2rem;
            border-bottom: 2px solid #dce1eb;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.5rem;
            color: #16213e;
        }
        h4 {
            font-size: 1.2rem;
            color: #2b5f8a;
        }
        p {
            margin-bottom: 1.2rem;
        }
        ul,
        ol {
            margin-bottom: 1.2rem;
            padding-left: 1.8rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        strong,
        b {
            color: #0f0f1a;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0f0f1a 0%, #1a1a3e 100%);
            color: #ffffff;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f9d976, #f39c12);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #f39c12;
            font-size: 2rem;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 1.8rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e0e0f0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            position: relative;
            transition: color 0.2s;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: #f39c12;
            transition: width 0.3s ease;
        }
        .main-nav a:hover {
            color: #f9d976;
            text-decoration: none;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .breadcrumb-wrap {
            background: #eef1f7;
            padding: 0.6rem 0;
            border-bottom: 1px solid #dce1eb;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem 0.8rem;
            font-size: 0.9rem;
            color: #4a4a6a;
        }
        .breadcrumb a {
            color: #2b5f8a;
        }
        .breadcrumb a:hover {
            color: #e94560;
        }
        .breadcrumb .sep {
            color: #9aa0b0;
        }
        .breadcrumb .current {
            color: #1a1a2e;
            font-weight: 600;
        }
        .search-section {
            background: #ffffff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 2rem 0 2.5rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8ecf4;
        }
        .search-form {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .search-form input[type="text"] {
            flex: 1 1 260px;
            padding: 0.9rem 1.4rem;
            border: 2px solid #dce1eb;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s, box-shadow 0.3s;
            background: #f9fafc;
        }
        .search-form input[type="text"]:focus {
            border-color: #2b5f8a;
            box-shadow: 0 0 0 4px rgba(43, 95, 138, 0.12);
        }
        .search-form button {
            background: #2b5f8a;
            color: #fff;
            border: none;
            padding: 0.9rem 2.2rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .search-form button:hover {
            background: #1a3e5c;
            transform: scale(1.02);
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0;
        }
        @media (max-width: 700px) {
            .interact-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        .rating-box,
        .comment-box {
            background: #ffffff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
            border: 1px solid #e8ecf4;
        }
        .rating-box h3,
        .comment-box h3 {
            margin-top: 0;
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .star-group {
            display: flex;
            gap: 0.5rem;
            font-size: 2rem;
            color: #dce1eb;
            cursor: pointer;
            margin: 0.8rem 0 1rem;
            flex-wrap: wrap;
        }
        .star-group i {
            transition: color 0.2s, transform 0.15s;
        }
        .star-group i:hover,
        .star-group i.active {
            color: #f39c12;
            transform: scale(1.12);
        }
        .rating-box form,
        .comment-box form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .rating-box form input[type="submit"],
        .comment-box form input[type="submit"] {
            align-self: flex-start;
            background: #e94560;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .rating-box form input[type="submit"]:hover,
        .comment-box form input[type="submit"]:hover {
            background: #c73550;
        }
        .comment-box textarea {
            width: 100%;
            padding: 0.9rem 1.2rem;
            border: 2px solid #dce1eb;
            border-radius: 12px;
            font-size: 1rem;
            resize: vertical;
            min-height: 100px;
            font-family: inherit;
            transition: border 0.3s;
        }
        .comment-box textarea:focus {
            border-color: #2b5f8a;
            outline: none;
        }
        .comment-box input[type="text"] {
            padding: 0.8rem 1.2rem;
            border: 2px solid #dce1eb;
            border-radius: 40px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .comment-box input[type="text"]:focus {
            border-color: #2b5f8a;
            outline: none;
        }
        .content-area {
            background: #ffffff;
            border-radius: 20px;
            padding: 2.8rem 3rem;
            margin: 2rem 0;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.05);
            border: 1px solid #e8ecf4;
        }
        @media (max-width: 768px) {
            .content-area {
                padding: 1.8rem 1.2rem;
            }
            h1 {
                font-size: 2rem;
                padding-left: 0.8rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
        }
        .content-area .featured-image {
            margin: 1.8rem 0 2.2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .content-area .featured-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        .content-area .image-caption {
            font-size: 0.85rem;
            color: #6a6a8a;
            text-align: center;
            margin-top: 0.5rem;
            font-style: italic;
        }
        .specs-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2rem 0;
        }
        @media (max-width: 640px) {
            .specs-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
        }
        .spec-card {
            background: #f5f7fc;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            border-left: 6px solid #2b5f8a;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
        }
        .spec-card.recommended {
            border-left-color: #e94560;
        }
        .spec-card h4 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .spec-card ul {
            list-style: none;
            padding-left: 0;
        }
        .spec-card ul li {
            padding: 0.3rem 0;
            border-bottom: 1px solid #e8ecf4;
            display: flex;
            align-items: baseline;
            gap: 0.6rem;
        }
        .spec-card ul li::before {
            content: '▹';
            color: #2b5f8a;
            font-weight: 700;
        }
        .spec-card.recommended ul li::before {
            color: #e94560;
        }
        .spec-label {
            font-weight: 600;
            min-width: 100px;
        }
        .benchmark-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8rem 0;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
        }
        .benchmark-table thead {
            background: #0f0f1a;
            color: #fff;
        }
        .benchmark-table th,
        .benchmark-table td {
            padding: 0.9rem 1.2rem;
            text-align: left;
            border-bottom: 1px solid #e8ecf4;
        }
        .benchmark-table tbody tr:hover {
            background: #f0f4fe;
        }
        .benchmark-table tbody tr:nth-child(even) {
            background: #f9fafc;
        }
        @media (max-width: 600px) {
            .benchmark-table {
                font-size: 0.8rem;
            }
            .benchmark-table th,
            .benchmark-table td {
                padding: 0.5rem 0.6rem;
            }
        }
        .tip-callout {
            background: #fef9e7;
            border-left: 6px solid #f39c12;
            padding: 1.6rem 2rem;
            border-radius: 12px;
            margin: 2rem 0;
            box-shadow: 0 2px 12px rgba(243, 156, 18, 0.1);
        }
        .tip-callout i {
            color: #f39c12;
            margin-right: 0.6rem;
        }
        .quote-block {
            font-style: italic;
            background: #f0f4fe;
            padding: 1.8rem 2.2rem;
            border-radius: 16px;
            margin: 2rem 0;
            border: 1px solid #dce1eb;
            position: relative;
        }
        .quote-block::before {
            content: '\201C';
            font-size: 4rem;
            position: absolute;
            top: -0.2rem;
            left: 1rem;
            color: #2b5f8a;
            opacity: 0.25;
            font-family: Georgia, serif;
        }
        .quote-block .attribution {
            margin-top: 0.8rem;
            font-weight: 600;
            font-style: normal;
            color: #2b5f8a;
        }
        friend-link {
            display: block;
            padding: 2rem 0;
        }
        .friend-link-wrap {
            background: #ffffff;
            border-radius: 16px;
            padding: 2rem 2.5rem;
            border: 1px solid #e8ecf4;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        }
        .friend-link-wrap h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .friend-link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 2rem;
            list-style: none;
            padding-left: 0;
            margin-top: 1rem;
        }
        .friend-link-list li a {
            color: #2b5f8a;
            font-weight: 500;
        }
        .friend-link-list li a:hover {
            color: #e94560;
        }
        .site-footer {
            background: #0f0f1a;
            color: #b0b0cc;
            padding: 2.5rem 0 1.8rem;
            margin-top: 3rem;
            border-top: 4px solid #2b5f8a;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1.2rem;
        }
        .footer-inner .copyright {
            font-size: 0.9rem;
        }
        .footer-inner .copyright a {
            color: #f9d976;
        }
        .footer-inner .footer-links a {
            color: #b0b0cc;
            margin-left: 1.5rem;
            font-size: 0.9rem;
        }
        .footer-inner .footer-links a:hover {
            color: #f9d976;
        }
        @media (max-width: 600px) {
            .footer-inner {
                flex-direction: column;
                text-align: center;
            }
            .footer-inner .footer-links a {
                margin: 0 0.8rem;
            }
        }
        @media (max-width: 820px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 0 0.4rem;
                gap: 0.8rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                font-size: 1.1rem;
                padding: 0.4rem 0;
            }
        }
        .anchor-offset {
            scroll-margin-top: 80px;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #6a6a8a;
            margin-top: -0.5rem;
            margin-bottom: 1.8rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .last-updated i {
            color: #2b5f8a;
        }
        .pill-tag {
            display: inline-block;
            background: #eef1f7;
            color: #2b5f8a;
            padding: 0.2rem 1rem;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-right: 0.4rem;
        }
        .divider {
            border: none;
            height: 2px;
            background: linear-gradient(to right, #dce1eb, transparent);
            margin: 2.5rem 0;
        }
        .emoji-big {
            font-size: 1.4rem;
        }
        .inline-icon {
            margin-right: 0.4rem;
            color: #2b5f8a;
        }
