*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f5f7fa;
            color: #1a1a2e;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #e10600;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #b00500;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            margin-top: 1.8rem;
            margin-bottom: 0.75rem;
            color: #0b0b1a;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            border-left: 6px solid #e10600;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 2px solid #e10600;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #1a1a2e;
        }
        h4 {
            font-size: 1.15rem;
            color: #2d2d44;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: #0b0b1a;
            color: #fff;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #fff;
            background: linear-gradient(135deg, #e10600, #ff4d4d);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #fff;
            color: #fff;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-bar {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-wrap: wrap;
        }
        .nav-bar a {
            color: #ddd;
            padding: 0.4rem 0.8rem;
            border-radius: 6px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
        }
        .nav-bar a:hover,
        .nav-bar a:focus {
            background: #e10600;
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        #nav-toggle {
            display: none;
        }
        #nav-toggle:checked~.nav-bar {
            display: flex;
            flex-direction: column;
            width: 100%;
            margin-top: 0.8rem;
        }
        #nav-toggle:checked~.nav-bar a {
            padding: 0.6rem 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #eef0f5;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d0d4dd;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #888;
        }
        .breadcrumb a {
            color: #2d2d44;
        }
        .breadcrumb a:hover {
            color: #e10600;
        }
        .breadcrumb .current {
            color: #888;
            font-weight: 500;
        }
        .main-content {
            flex: 1;
            padding: 2rem 0 3rem;
        }
        .article-wrapper {
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
            padding: 2.2rem 2.5rem;
            margin-bottom: 2.5rem;
        }
        .hero-figure {
            margin: 1.8rem 0 2.2rem;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        .hero-figure img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/9;
            background: #1a1a2e;
        }
        .hero-figure figcaption {
            padding: 0.8rem 1.2rem;
            background: #f0f2f8;
            font-size: 0.9rem;
            color: #444;
            border-top: 1px solid #ddd;
        }
        .last-updated {
            display: inline-block;
            background: #f0f2f8;
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #555;
            margin-bottom: 1.2rem;
            border: 1px solid #dde0e8;
        }
        .last-updated i {
            margin-right: 0.4rem;
            color: #e10600;
        }
        .highlight-box {
            background: #f8f9fc;
            border-left: 5px solid #e10600;
            padding: 1.4rem 1.8rem;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .stat-badge {
            display: inline-block;
            background: #e10600;
            color: #fff;
            font-weight: 700;
            padding: 0.15rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            letter-spacing: 0.5px;
        }
        .search-section {
            background: #f0f2f8;
            padding: 1.8rem 2rem;
            border-radius: 14px;
            margin: 2.5rem 0;
            border: 1px solid #dde0e8;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            align-items: center;
        }
        .search-form input[type="text"] {
            flex: 1 1 240px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #ccc;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.25s;
        }
        .search-form input[type="text"]:focus {
            border-color: #e10600;
        }
        .search-form button {
            background: #e10600;
            color: #fff;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #b00500;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0;
        }
        .feedback-card {
            background: #f8f9fc;
            padding: 1.5rem 1.8rem;
            border-radius: 14px;
            border: 1px solid #e6e9f0;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border: 2px solid #d0d4dd;
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border 0.25s;
            background: #fff;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #e10600;
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            background: #0b0b1a;
            color: #fff;
            border: none;
            padding: 0.7rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            align-self: flex-start;
        }
        .feedback-card .btn-submit:hover {
            background: #e10600;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f5b342;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            padding: 0.8rem 0;
            list-style: none;
        }
        .link-list-inline li::before {
            content: "🏎️";
            margin-right: 0.3rem;
            font-size: 0.85rem;
        }
        .link-list-inline a {
            font-weight: 500;
        }
        .site-footer {
            background: #0b0b1a;
            color: #bbb;
            padding: 2.2rem 0 1.8rem;
            margin-top: 2rem;
            border-top: 4px solid #e10600;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 1.8rem;
        }
        .footer-col {
            flex: 1 1 200px;
        }
        .footer-col h4 {
            color: #fff;
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 1px solid #333;
            padding-bottom: 0.4rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin-top: 0.6rem;
        }
        .footer-col ul li {
            margin-bottom: 0.3rem;
        }
        .footer-col ul li a {
            color: #aaa;
            font-size: 0.9rem;
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        friend-link {
            display: block;
            margin-top: 0.8rem;
            font-size: 0.9rem;
        }
        friend-link a {
            color: #e10600;
            display: inline-block;
            margin-right: 1rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.8rem;
            margin-top: 1.8rem;
            border-top: 1px solid #222;
            font-size: 0.85rem;
            color: #777;
        }
        .copyright strong {
            color: #ddd;
        }
        @media (max-width: 820px) {
            .article-wrapper {
                padding: 1.5rem 1.2rem;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .header-inner {
                align-items: center;
            }
            .hamburger {
                display: inline-block;
            }
            .nav-bar {
                display: none;
                width: 100%;
                background: #0b0b1a;
                padding: 0.6rem 0;
                border-top: 1px solid #222;
            }
            #nav-toggle:checked~.nav-bar {
                display: flex;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input[type="text"] {
                width: 100%;
                flex: 1 1 auto;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .footer-inner {
                flex-direction: column;
                gap: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .article-wrapper {
                padding: 1rem 0.9rem;
            }
            h1 {
                font-size: 1.6rem;
                padding-left: 0.7rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .feedback-card {
                padding: 1rem;
            }
            .star-rating label {
                font-size: 1.5rem;
            }
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .text-muted {
            color: #666;
            font-size: 0.92rem;
        }
        .divider {
            height: 2px;
            background: linear-gradient(to right, #e10600, transparent);
            margin: 2rem 0;
        }
        .keeplink a {
            font-weight: 600;
            color: #e10600;
        }