*,
        *::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: #f5f7fa;
            color: #1a1a2e;
            line-height: 1.8;
            padding: 0 16px;
        }
        a {
            color: #e63946;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #b71c1c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.6rem;
            margin: 0.8rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: 24px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.06);
            padding: 20px 24px 40px;
            margin-top: 16px;
            margin-bottom: 40px;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.8rem;
            border-bottom: 2px solid #eef0f5;
            position: relative;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, #e63946, #f4a261);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: #e63946;
            font-size: 1.8rem;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.85;
        }
        .my-logo small {
            font-size: 0.65rem;
            -webkit-text-fill-color: #555;
            font-weight: 400;
            letter-spacing: 0.3px;
            margin-left: 4px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 8px;
            flex-wrap: wrap;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.9rem;
            color: #1a1a2e;
            background: #f0f2f6;
            transition: background 0.25s, color 0.25s;
            text-decoration: none;
        }
        .nav-list li a:hover {
            background: #e63946;
            color: #fff;
            text-decoration: none;
        }
        .nav-list li a i {
            margin-right: 6px;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1a1a2e;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f0f2f6;
        }
        .nav-mobile {
            display: none;
            width: 100%;
            flex-direction: column;
            background: #fff;
            border-radius: 16px;
            padding: 16px 0 8px;
            margin-top: 12px;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
        }
        .nav-mobile.open {
            display: flex;
        }
        .nav-mobile a {
            padding: 10px 20px;
            font-weight: 500;
            border-radius: 8px;
            color: #1a1a2e;
            transition: background 0.2s;
        }
        .nav-mobile a:hover {
            background: #f0f2f6;
            text-decoration: none;
        }
        .nav-mobile a i {
            width: 24px;
            text-align: center;
            margin-right: 10px;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 1rem 0 0.6rem;
            margin: 0;
            font-size: 0.85rem;
            color: #666;
        }
        .breadcrumb li {
            margin-bottom: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 10px;
            color: #aaa;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #e63946;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            margin: 1.2rem 0 0.6rem;
            color: #1a1a2e;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 2.4rem 0 1rem;
            padding-bottom: 6px;
            border-bottom: 3px solid #e63946;
            display: inline-block;
            color: #1a1a2e;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            margin: 1.8rem 0 0.6rem;
            color: #2d2d44;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 1.2rem 0 0.4rem;
            color: #3d3d55;
        }
        p {
            margin: 0.8rem 0;
            color: #2c2c3a;
        }
        .lead {
            font-size: 1.15rem;
            color: #444;
            font-weight: 400;
            border-left: 4px solid #e63946;
            padding-left: 20px;
            margin: 1.2rem 0;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #888;
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0.4rem 0 1.6rem;
            flex-wrap: wrap;
        }
        .last-updated i {
            color: #e63946;
        }
        .featured-img {
            margin: 1.6rem 0 1.2rem;
            border-radius: 16px;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
            width: 100%;
            max-width: 840px;
        }
        .img-caption {
            font-size: 0.85rem;
            color: #777;
            margin-top: -0.4rem;
            margin-bottom: 1.2rem;
            text-align: center;
        }
        .search-section {
            background: #f8f9fc;
            border-radius: 16px;
            padding: 28px 24px;
            margin: 2.4rem 0;
            border: 1px solid #e6e9f0;
        }
        .search-section h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 12px;
        }
        .search-form input[type="text"] {
            flex: 1 1 240px;
            padding: 14px 18px;
            border: 2px solid #dce0e8;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
            background: #fff;
        }
        .search-form input[type="text"]:focus {
            border-color: #e63946;
        }
        .search-form button {
            padding: 14px 32px;
            background: #e63946;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form button:hover {
            background: #b71c1c;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 2.4rem 0;
        }
        .feedback-card {
            background: #f8f9fc;
            border-radius: 16px;
            padding: 24px 24px 28px;
            border: 1px solid #e6e9f0;
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card h3 i {
            color: #e63946;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 8px;
        }
        .feedback-card textarea,
        .feedback-card input[type="text"],
        .feedback-card input[type="number"],
        .feedback-card select {
            padding: 12px 16px;
            border: 2px solid #dce0e8;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border 0.3s;
            background: #fff;
            width: 100%;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus,
        .feedback-card select:focus {
            border-color: #e63946;
        }
        .feedback-card textarea {
            resize: vertical;
            min-height: 90px;
        }
        .feedback-card button {
            align-self: flex-start;
            padding: 12px 28px;
            background: #e63946;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-card button:hover {
            background: #b71c1c;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .star-rating i {
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating i.active,
        .star-rating i:hover {
            color: #f4a261;
            transform: scale(1.1);
        }
        .star-rating i:hover~i {
            color: #ddd;
        }
        .inline-link-list {
            background: #f8f9fc;
            border-radius: 14px;
            padding: 20px 24px;
            margin: 1.6rem 0;
            border-left: 4px solid #e63946;
        }
        .inline-link-list ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }
        .inline-link-list li a {
            font-weight: 500;
            font-size: 0.95rem;
        }
        .inline-link-list li a i {
            margin-right: 6px;
            font-size: 0.8rem;
        }
        friend-link {
            display: block;
            background: #f0f2f6;
            border-radius: 16px;
            padding: 22px 24px;
            margin: 2rem 0 0.8rem;
            border: 1px solid #e0e4ec;
        }
        friend-link::before {
            content: "🔗 Friend Links";
            display: block;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 12px;
            color: #1a1a2e;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 0;
            font-weight: 500;
            color: #e63946;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .site-footer {
            border-top: 2px solid #eef0f5;
            padding: 2rem 0 0.8rem;
            margin-top: 2.8rem;
            text-align: center;
            font-size: 0.9rem;
            color: #777;
        }
        .site-footer .copyright {
            font-weight: 500;
            color: #444;
            margin-top: 8px;
        }
        .site-footer .copyright i {
            color: #e63946;
        }
        .spec-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2rem 0;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .spec-table th {
            background: #1a1a2e;
            color: #fff;
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
        }
        .spec-table td {
            padding: 12px 16px;
            border-bottom: 1px solid #eef0f5;
            background: #fafbfc;
        }
        .spec-table tr:last-child td {
            border-bottom: none;
        }
        .spec-table td:first-child {
            font-weight: 600;
            color: #1a1a2e;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 10px;
            }
            .container {
                padding: 14px 16px 30px;
                margin-top: 8px;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .nav-list {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
            .site-header {
                padding: 0.6rem 0;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
            .spec-table {
                font-size: 0.82rem;
            }
            .spec-table th,
            .spec-table td {
                padding: 10px 12px;
            }
            .lead {
                font-size: 1rem;
                padding-left: 14px;
            }
            .star-rating {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.4rem;
            }
            .container {
                padding: 10px 12px 24px;
            }
            .feedback-card {
                padding: 16px;
            }
            .inline-link-list ul {
                flex-direction: column;
                gap: 4px;
            }
            .my-logo {
                font-size: 1.1rem;
            }
            .my-logo small {
                font-size: 0.55rem;
            }
        }
        .highlight {
            background: #fff3cd;
            padding: 0 4px;
            border-radius: 4px;
            font-weight: 600;
        }
        .btn-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #e63946;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.3);
            transition: transform 0.2s, opacity 0.3s;
            opacity: 0.8;
            z-index: 99;
            border: none;
            cursor: pointer;
        }
        .btn-top:hover {
            transform: scale(1.08);
            opacity: 1;
            color: #fff;
        }
        @media (max-width: 600px) {
            .btn-top {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
                bottom: 20px;
                right: 16px;
            }
        }