*,
        *::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, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #f4f6f9;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus {
            color: #e74c3c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0b0b1a;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 3px solid #c0392b;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b0b1a 0%, #1a1a3e 100%);
            color: #fff;
            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;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: linear-gradient(135deg, #e74c3c, #c0392b);
            padding: 0.3rem 1rem;
            border-radius: 8px;
            display: inline-block;
            text-decoration: none;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
            color: #fff;
        }
        .my-logo span {
            font-weight: 300;
            color: #f1c40f;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #ddd;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #f1c40f;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #dcdcdc;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #888;
        }
        .breadcrumb a {
            color: #c0392b;
        }
        .breadcrumb .current {
            color: #555;
            font-weight: 600;
        }
        .search-section {
            background: #fff;
            padding: 1.2rem 0;
            border-bottom: 1px solid #e0e0e0;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            max-width: 600px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.2s;
            min-width: 180px;
        }
        .search-form input:focus {
            border-color: #c0392b;
            outline: none;
        }
        .search-form button {
            padding: 0.7rem 1.6rem;
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            font-size: 1rem;
        }
        .search-form button:hover {
            background: #a93226;
            transform: scale(1.02);
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        .content-area {
            background: #fff;
            border-radius: 16px;
            padding: 2.2rem 2.5rem;
            box-shadow: 0 2px 30px rgba(0, 0, 0, 0.06);
        }
        .sidebar {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 1.8rem;
            box-shadow: 0 2px 30px rgba(0, 0, 0, 0.06);
            align-self: start;
            position: sticky;
            top: 80px;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #c0392b;
            padding-bottom: 0.4rem;
            margin-bottom: 1rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0f0f0;
        }
        .sidebar li a {
            font-weight: 500;
        }
        .sidebar .link-group {
            margin-bottom: 1.8rem;
        }
        .featured-img-wrap {
            margin: 1.8rem 0 2.2rem;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }
        .featured-img-wrap img {
            width: 100%;
            height: auto;
            display: block;
        }
        .img-caption {
            font-size: 0.85rem;
            color: #777;
            text-align: center;
            padding: 0.5rem 0 0;
            font-style: italic;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.8rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            border: 1px solid #ddd;
            text-align: left;
        }
        th {
            background: #c0392b;
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f9f9f9;
        }
        tr:hover {
            background: #fef0ed;
        }
        .user-feedback {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid #e8e8e8;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin-top: 1.2rem;
        }
        .feedback-card {
            background: #fafbfc;
            border-radius: 12px;
            padding: 1.5rem 1.8rem;
            border: 1px solid #eaeaea;
        }
        .feedback-card h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.6rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.6rem 0.9rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border 0.2s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #c0392b;
            outline: none;
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            background: #c0392b;
            color: #fff;
            padding: 0.65rem 1.4rem;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            font-size: 1rem;
            align-self: flex-start;
        }
        .feedback-card .btn-submit:hover {
            background: #a93226;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #f1c40f;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: transform 0.1s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            transform: scale(1.15);
            color: #f39c12;
        }
        .site-footer {
            background: #0b0b1a;
            color: #ccc;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
            border-top: 4px solid #c0392b;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .site-footer h4 {
            color: #f1c40f;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #bbb;
        }
        .site-footer a:hover {
            color: #f1c40f;
        }
        .friend-link {
            display: block;
            margin-top: 0.8rem;
        }
        .friend-link a {
            display: inline-block;
            margin-right: 1rem;
            margin-bottom: 0.4rem;
            padding: 0.2rem 0.6rem;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 4px;
            font-size: 0.9rem;
        }
        .friend-link a:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .copyright {
            text-align: center;
            padding-top: 1.8rem;
            margin-top: 1.8rem;
            border-top: 1px solid #222;
            font-size: 0.85rem;
            color: #888;
        }
        .last-update {
            display: inline-block;
            background: #1a1a3e;
            padding: 0.2rem 1rem;
            border-radius: 20px;
            font-size: 0.8rem;
            color: #f1c40f;
            margin-top: 0.5rem;
        }
        @media (max-width: 1024px) {
            .main-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .content-area {
                order: 1;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            html {
                font-size: 15px;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #0b0b1a;
                padding: 0.8rem 0;
                border-radius: 0 0 12px 12px;
                gap: 0;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.7rem 1.2rem;
                border-bottom: 1px solid #1a1a3e;
                width: 100%;
            }
            .hamburger {
                display: block;
            }
            .content-area {
                padding: 1.5rem 1.2rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
            }
            .feedback-card {
                padding: 1.2rem;
            }
            .sidebar {
                padding: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .content-area {
                padding: 1rem 0.8rem;
            }
            .my-logo {
                font-size: 1.3rem;
                padding: 0.2rem 0.7rem;
            }
            .feedback-grid {
                gap: 1rem;
            }
            .star-rating {
                font-size: 1.3rem;
            }
        }
        .highlight-box {
            background: #fef9f0;
            border-left: 5px solid #f1c40f;
            padding: 1.2rem 1.5rem;
            border-radius: 0 10px 10px 0;
            margin: 1.5rem 0;
        }
        .highlight-box strong {
            color: #c0392b;
        }
        .btn-top {
            display: inline-block;
            background: #c0392b;
            color: #fff;
            padding: 0.4rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            transition: background 0.2s;
        }
        .btn-top:hover {
            background: #a93226;
            color: #fff;
            text-decoration: none;
        }
        .tag {
            display: inline-block;
            background: #e8e8e8;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #333;
        }
        .tag.race {
            background: #c0392b;
            color: #fff;
        }
        .tag.tip {
            background: #2ecc71;
            color: #fff;
        }