        *,
        *::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: #f7f9fc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: #0f3b6a;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e67e22;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            color: #0b1e33;
        }
        h1 {
            font-size: 2.2rem;
            border-bottom: 4px solid #e67e22;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.6rem;
            border-left: 5px solid #e67e22;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: #1e3a5f;
        }
        h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: #2c4a6e;
        }
        p {
            margin-bottom: 1.2rem;
        }
        strong {
            color: #0b1e33;
        }
        hr {
            border: none;
            border-top: 2px dashed #d0d8e3;
            margin: 2.5rem 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 12px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1e33 0%, #1a3a5c 100%);
            color: #fff;
            padding: 16px 0;
            border-radius: 0 0 20px 20px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
            margin-bottom: 24px;
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: linear-gradient(135deg, #f7b731, #e67e22);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            display: inline-block;
        }
        .my-logo:hover {
            opacity: 0.85;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #b0c4de;
            color: #b0c4de;
            display: block;
            letter-spacing: 1px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 6px;
            flex-wrap: wrap;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            color: #e0edff;
            padding: 8px 14px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .nav-list li a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #f7b731;
        }
        .nav-list li a.active {
            background: #e67e22;
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #fff;
            padding: 12px 20px;
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            margin-bottom: 24px;
            font-size: 0.9rem;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
        }
        .breadcrumb a {
            color: #0f3b6a;
        }
        .breadcrumb a:hover {
            color: #e67e22;
        }
        .breadcrumb .sep {
            color: #94a3b8;
            margin: 0 4px;
        }
        .breadcrumb .current {
            color: #64748b;
            font-weight: 500;
        }
        .search-box {
            display: flex;
            max-width: 500px;
            margin: 0 auto 32px;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            background: #fff;
            border: 1px solid #dce3ed;
        }
        .search-box input {
            flex: 1;
            padding: 14px 20px;
            border: none;
            font-size: 1rem;
            outline: none;
            background: transparent;
            color: #1e293b;
        }
        .search-box input::placeholder {
            color: #94a3b8;
        }
        .search-box button {
            background: #e67e22;
            color: #fff;
            border: none;
            padding: 0 24px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-box button:hover {
            background: #c96a17;
        }
        .section-card {
            background: #ffffff;
            border-radius: 20px;
            padding: 28px 24px;
            margin-bottom: 28px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef2f7;
        }
        .section-card h2 {
            margin-top: 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
            margin: 1.5rem 0;
        }
        .stat-item {
            background: #f0f4fa;
            border-radius: 14px;
            padding: 18px 12px;
            text-align: center;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        .stat-item i {
            font-size: 2rem;
            color: #e67e22;
            margin-bottom: 8px;
        }
        .stat-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #0b1e33;
        }
        .stat-item .label {
            font-size: 0.85rem;
            color: #64748b;
            font-weight: 500;
        }
        .bike-table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        .bike-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            min-width: 520px;
        }
        .bike-table th {
            background: #0b1e33;
            color: #fff;
            padding: 12px 14px;
            text-align: left;
            font-weight: 600;
        }
        .bike-table td {
            padding: 11px 14px;
            border-bottom: 1px solid #e2e8f0;
        }
        .bike-table tr:hover td {
            background: #f8fafc;
        }
        .bike-table .highlight {
            background: #fff8ee;
        }
        .rating-widget {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            padding: 20px;
            background: #f8fafc;
            border-radius: 16px;
            border: 1px solid #e2e8f0;
            max-width: 400px;
            margin: 1.5rem auto;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 2.2rem;
            color: #d0d8e3;
            cursor: pointer;
            transition: color 0.15s;
        }
        .rating-stars i.active {
            color: #f7b731;
        }
        .rating-stars i:hover,
        .rating-stars i.hover {
            color: #f7b731;
        }
        .rating-info {
            font-size: 0.95rem;
            color: #475569;
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin: 1.5rem 0;
        }
        .comment-form input,
        .comment-form textarea {
            padding: 14px 18px;
            border: 1px solid #dce3ed;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            outline: none;
            transition: border 0.2s, box-shadow 0.2s;
            background: #fff;
        }
        .comment-form input:focus,
        .comment-form textarea:focus {
            border-color: #e67e22;
            box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.15);
        }
        .comment-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .comment-form button {
            align-self: flex-start;
            background: #e67e22;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .comment-form button:hover {
            background: #c96a17;
            transform: scale(1.01);
        }
        .comment-list {
            margin-top: 24px;
        }
        .comment-card {
            background: #f8fafc;
            border-radius: 14px;
            padding: 18px 20px;
            margin-bottom: 12px;
            border-left: 4px solid #e67e22;
        }
        .comment-card .meta {
            font-size: 0.85rem;
            color: #64748b;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .comment-card .name {
            font-weight: 600;
            color: #0b1e33;
        }
        friend-link {
            display: block;
            background: #f0f4fa;
            border-radius: 16px;
            padding: 20px 24px;
            margin: 28px 0 12px;
            border: 1px solid #dce3ed;
        }
        friend-link .fl-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: #0b1e33;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        friend-link .fl-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        friend-link .fl-list li a {
            color: #0f3b6a;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        friend-link .fl-list li a:hover {
            border-bottom-color: #e67e22;
            color: #e67e22;
        }
        .site-footer {
            background: #0b1e33;
            color: #cbd5e1;
            padding: 32px 20px 20px;
            border-radius: 20px 20px 0 0;
            margin-top: 32px;
            text-align: center;
            font-size: 0.9rem;
        }
        .site-footer .copyright {
            border-top: 1px solid #1e3a5f;
            padding-top: 16px;
            margin-top: 16px;
            color: #94a3b8;
        }
        .site-footer a {
            color: #f7b731;
        }
        .site-footer a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 10px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .section-card {
                padding: 18px 14px;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f2740;
                border-radius: 16px;
                padding: 12px;
                margin-top: 10px;
                gap: 4px;
            }
            .nav-list li a {
                padding: 10px 16px;
                display: block;
                white-space: normal;
            }
            .hamburger {
                display: block;
            }
            .nav-toggle:checked+.hamburger+.nav-list {
                display: flex;
            }
            .breadcrumb {
                font-size: 0.8rem;
                padding: 10px 14px;
                flex-wrap: wrap;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-item {
                padding: 14px 8px;
            }
            .stat-item .num {
                font-size: 1.4rem;
            }
            .rating-stars {
                font-size: 1.8rem;
            }
            .search-box {
                max-width: 100%;
            }
            .bike-table {
                font-size: 0.85rem;
                min-width: 400px;
            }
            friend-link .fl-list {
                flex-direction: column;
                gap: 6px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.1rem;
                padding-left: 0.6rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-item .num {
                font-size: 1.2rem;
            }
            .rating-stars {
                font-size: 1.5rem;
            }
            .comment-form button {
                width: 100%;
                text-align: center;
            }
        }
        .fade-in {
            animation: fadeIn 0.5s ease forwards;
        }
        @keyframes fadeIn {
            0% {
                opacity: 0;
                transform: translateY(12px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .schema-hidden {
            display: none;
        }
