*,
        *::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, Roboto, 'Helvetica Neue', sans-serif;
            line-height: 1.7;
            color: #1e1e2a;
            background: #faf9f7;
            padding: 0 16px;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        body>header,
        body>main,
        body>footer,
        body>friend-link {
            width: 100%;
            max-width: 1200px;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: #0b1e33;
            margin-bottom: 0.5rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #0f2a44;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            border-left: 5px solid #f5a623;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #1a3a5a;
            margin-top: 2rem;
            margin-bottom: 0.7rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #2a4a6a;
            margin-top: 1.4rem;
            margin-bottom: 0.4rem;
        }
        p {
            margin-bottom: 1.2rem;
            color: #2d2d3a;
        }
        strong {
            color: #0b1e33;
            font-weight: 700;
        }
        a {
            color: #c0392b;
            text-decoration: underline;
            transition: color 0.2s;
        }
        a:hover {
            color: #e74c3c;
            text-decoration-thickness: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            display: block;
            margin: 1.8rem auto;
        }
        hr {
            border: none;
            border-top: 2px solid #eae6e0;
            margin: 2.5rem 0;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0 0.8rem;
            border-bottom: 2px solid #eae6e0;
            background: #faf9f7;
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 900;
            text-decoration: none;
            color: #0b1e33;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #0b1e33, #c0392b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo:hover {
            opacity: 0.85;
        }
        .my-logo i {
            -webkit-text-fill-color: #c0392b;
            margin-right: 4px;
        }
        .nav-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #0b1e33;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #eae6e0;
        }
        .nav-toggle[aria-expanded="true"] .fa-bars::before {
            content: "\f00d";
        }
        .primary-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.2rem 1.2rem;
            align-items: center;
            list-style: none;
        }
        .primary-nav a {
            text-decoration: none;
            font-weight: 550;
            color: #1e2d3d;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        .primary-nav a:hover {
            border-bottom-color: #c0392b;
            color: #c0392b;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.2rem;
            font-size: 0.9rem;
            color: #6a6a7a;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 0.6rem;
            color: #b0a8a0;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #6a6a7a;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: #c0392b;
            text-decoration: underline;
        }
        .breadcrumb .active {
            color: #1e2d3d;
            font-weight: 600;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 1.8rem 0 1rem;
            background: #fff;
            padding: 0.6rem 0.8rem 0.6rem 1.2rem;
            border-radius: 60px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #e0dbd5;
            max-width: 600px;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 160px;
            border: none;
            background: transparent;
            padding: 0.7rem 0;
            font-size: 1rem;
            outline: none;
            color: #1e1e2a;
        }
        .search-form input[type="text"]::placeholder {
            color: #9a9aaa;
        }
        .search-form button {
            background: #0b1e33;
            border: none;
            color: #fff;
            padding: 0.7rem 1.8rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #1a3a5a;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 2.5rem 0;
        }
        .feedback-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.6rem 1.8rem;
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.04);
            border: 1px solid #ece8e2;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 0.6rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1px solid #ddd8d0;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #faf9f7;
            transition: border 0.2s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #c0392b;
            outline: none;
            background: #fff;
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card .star-select {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            cursor: pointer;
            color: #e0d8d0;
            transition: color 0.15s;
        }
        .feedback-card .star-select .fa-star.active {
            color: #f5a623;
        }
        .feedback-card .btn-submit {
            background: #c0392b;
            color: #fff;
            border: none;
            padding: 0.7rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s;
            align-self: flex-start;
        }
        .feedback-card .btn-submit:hover {
            background: #a93226;
        }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 40px;
            margin: 1.5rem 0 2rem;
        }
        .content-main {
            min-width: 0;
        }
        .content-sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
            background: #fff;
            border-radius: 16px;
            padding: 1.6rem 1.4rem;
            border: 1px solid #ece8e2;
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.03);
        }
        .content-sidebar h3 {
            margin-top: 0;
            font-size: 1.15rem;
            border-bottom: 2px solid #f0eae4;
            padding-bottom: 0.6rem;
        }
        .content-sidebar ul {
            list-style: none;
            padding: 0;
        }
        .content-sidebar li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f5f0ea;
        }
        .content-sidebar li a {
            text-decoration: none;
            color: #2d2d3a;
            font-size: 0.92rem;
        }
        .content-sidebar li a:hover {
            color: #c0392b;
        }
        .site-footer {
            border-top: 2px solid #eae6e0;
            padding: 2.2rem 0 1.5rem;
            margin-top: 2.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.92rem;
            color: #5a5a6a;
        }
        .site-footer .copyright {
            opacity: 0.8;
        }
        friend-link {
            display: block;
            border-top: 1px solid #eae6e0;
            padding: 1.8rem 0 0.8rem;
            margin-top: 1rem;
            font-size: 0.92rem;
        }
        friend-link span {
            font-weight: 600;
            color: #0b1e33;
            display: inline-block;
            margin-right: 0.8rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.8rem 0.2rem 0;
            text-decoration: none;
            color: #3a4a5a;
            border-bottom: 1px solid transparent;
        }
        friend-link a:hover {
            border-bottom-color: #c0392b;
            color: #c0392b;
        }
        @media (max-width: 820px) {
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 0 0.5rem;
                gap: 0.6rem;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav a {
                font-size: 1.05rem;
                padding: 0.4rem 0;
            }
            .content-area {
                grid-template-columns: 1fr;
            }
            .content-sidebar {
                position: static;
                order: 2;
                margin-top: 1.5rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .site-footer {
                flex-direction: column;
                gap: 0.6rem;
                text-align: center;
            }
            .search-form button span {
                display: none;
            }
            .search-form button {
                padding: 0.7rem 1.2rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 12px;
            }
            .feedback-card {
                padding: 1.2rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .search-form {
                padding: 0.4rem 0.6rem 0.4rem 1rem;
            }
            .search-form input[type="text"] {
                font-size: 0.9rem;
            }
        }
        .tag {
            display: inline-block;
            background: #f0eae4;
            padding: 0.2rem 0.9rem;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #3a4a5a;
            margin-right: 0.4rem;
        }
        .last-updated {
            font-size: 0.88rem;
            color: #8a8a9a;
            margin: 0.6rem 0 1rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
        }
        th,
        td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #ece8e2;
        }
        th {
            background: #0b1e33;
            color: #fff;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        .highlight-box {
            background: #fbf7f0;
            border-left: 4px solid #f5a623;
            padding: 1.2rem 1.6rem;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .flex-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            list-style: none;
            padding: 0.4rem 0;
        }
        .flex-list li::before {
            content: "🏍️";
            margin-right: 6px;
        }
        .btn-top {
            position: fixed;
            bottom: 28px;
            right: 28px;
            background: #0b1e33;
            color: #fff;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            font-size: 1.3rem;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
            transition: opacity 0.3s, transform 0.2s;
            z-index: 99;
            border: none;
            cursor: pointer;
        }
        .btn-top:hover {
            transform: translateY(-4px);
            background: #1a3a5a;
        }