*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f4f7fa;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0 16px;
            max-width: 1280px;
            margin: 0 auto;
        }
        a {
            color: #c44536;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus {
            color: #8a2a1a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            margin-top: 1.8rem;
            margin-bottom: 0.75rem;
            color: #0f1a2b;
        }
        h1 {
            font-size: 2.2rem;
            border-bottom: 4px solid #c44536;
            padding-bottom: 0.5rem;
            display: inline-block;
        }
        h2 {
            font-size: 1.7rem;
            border-left: 5px solid #c44536;
            padding-left: 0.9rem;
            margin-top: 2.4rem;
        }
        h3 {
            font-size: 1.3rem;
            margin-top: 1.8rem;
            color: #2a3b52;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #3a4b62;
        }
        p {
            margin-bottom: 1.1rem;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.2rem 1.8rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        hr {
            border: 0;
            height: 2px;
            background: linear-gradient(90deg, #c44536, #e8c4b8, transparent);
            margin: 2.5rem 0;
        }
        strong {
            color: #0f1a2b;
        }
        blockquote {
            border-left: 5px solid #c44536;
            background: #f0eae8;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #2a3b52;
        }
        code {
            background: #e8ecee;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            font-size: 0.9rem;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0;
            border-bottom: 2px solid #d6dce4;
            margin-bottom: 1rem;
            background: #fff;
            border-radius: 0 0 16px 16px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(6px);
            background: rgba(255, 255, 255, 0.96);
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #0f1a2b;
            background: linear-gradient(135deg, #c44536, #8a2a1a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #c44536;
            margin-right: 6px;
        }
        .hamburger {
            display: none;
            font-size: 1.9rem;
            background: none;
            border: none;
            cursor: pointer;
            color: #0f1a2b;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f0eae8;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 1.2rem;
            align-items: center;
            list-style: none;
            margin: 0;
        }
        .nav-menu li a {
            font-weight: 500;
            padding: 0.3rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
            color: #1e2a3a;
        }
        .nav-menu li a:hover {
            background: #c44536;
            color: #fff;
            text-decoration: none;
        }
        .nav-menu li a i {
            margin-right: 4px;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem 0.6rem;
            font-size: 0.9rem;
            padding: 0.6rem 0;
            margin-bottom: 0.8rem;
            color: #4a5a6a;
            background: #eef2f5;
            border-radius: 30px;
            padding: 0.5rem 1.2rem;
        }
        .breadcrumb a {
            color: #c44536;
            font-weight: 500;
        }
        .breadcrumb span {
            color: #6a7a8a;
        }
        .breadcrumb i {
            font-size: 0.7rem;
            color: #9aabba;
        }
        .search-wrap {
            background: #fff;
            border-radius: 60px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            padding: 0.3rem 0.3rem 0.3rem 1.2rem;
            display: flex;
            max-width: 520px;
            margin: 1.2rem 0 1.8rem;
            border: 1px solid #d6dce4;
        }
        .search-wrap input {
            flex: 1;
            border: none;
            outline: none;
            font-size: 1rem;
            padding: 0.6rem 0.2rem;
            background: transparent;
            font-family: inherit;
            color: #1e2a3a;
        }
        .search-wrap input::placeholder {
            color: #9aabba;
            font-style: italic;
        }
        .search-wrap button {
            background: #c44536;
            border: none;
            border-radius: 40px;
            padding: 0.6rem 1.6rem;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-wrap button:hover {
            background: #8a2a1a;
            transform: scale(0.98);
        }
        .feature-img {
            margin: 1.8rem 0;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            background: #eef2f5;
            padding: 0.6rem;
        }
        .feature-img figcaption {
            text-align: center;
            font-size: 0.9rem;
            color: #4a5a6a;
            padding: 0.6rem 0 0.2rem;
            font-style: italic;
        }
        .info-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem 1.8rem;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
            margin: 1.8rem 0;
            border: 1px solid #e6eaee;
        }
        .info-card h4 {
            margin-top: 0;
            color: #c44536;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1rem;
            margin: 1.2rem 0;
        }
        .stat-item {
            background: #f8fafc;
            padding: 0.8rem 1rem;
            border-radius: 12px;
            text-align: center;
            border: 1px solid #e6eaee;
        }
        .stat-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #c44536;
            display: block;
        }
        .stat-item .label {
            font-size: 0.85rem;
            color: #4a5a6a;
            font-weight: 500;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2rem 0;
        }
        .feedback-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem 1.8rem;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e6eaee;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 8px;
            color: #0f1a2b;
        }
        .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: 1px solid #d6dce4;
            border-radius: 10px;
            font-family: inherit;
            font-size: 0.95rem;
            background: #fafcfe;
            transition: border 0.2s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            outline: none;
            border-color: #c44536;
            box-shadow: 0 0 0 3px rgba(196, 69, 54, 0.15);
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            background: #c44536;
            color: #fff;
            border: none;
            padding: 0.7rem 1.4rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            width: fit-content;
        }
        .feedback-card .btn-submit:hover {
            background: #8a2a1a;
            transform: scale(0.98);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.1rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #d6dce4;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f5b342;
        }
        footer {
            margin-top: 3rem;
            padding: 2rem 0 1.2rem;
            border-top: 2px solid #d6dce4;
            background: #fff;
            border-radius: 16px 16px 0 0;
        }
        friend-link {
            display: block;
            background: #f8fafc;
            padding: 1.2rem 1.8rem;
            border-radius: 16px;
            margin-bottom: 1.2rem;
            border: 1px solid #e6eaee;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.8rem 0.2rem 0;
            padding: 0.2rem 0.6rem;
            background: #eef2f5;
            border-radius: 30px;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
        }
        friend-link a:hover {
            background: #c44536;
            color: #fff;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            font-size: 0.9rem;
            color: #6a7a8a;
            padding: 1rem 0 0.2rem;
            border-top: 1px solid #e6eaee;
            margin-top: 0.8rem;
        }
        .copyright strong {
            color: #0f1a2b;
        }
        @media (max-width: 820px) {
            body {
                padding: 0 12px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            header {
                padding: 0.8rem 0;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 1rem 0 0.6rem;
                border-top: 1px solid #d6dce4;
                margin-top: 0.6rem;
                gap: 0.2rem;
            }
            .nav-menu.show {
                display: flex;
            }
            .nav-menu li a {
                padding: 0.6rem 1rem;
                display: block;
                border-radius: 8px;
            }
            .search-wrap {
                max-width: 100%;
                flex-wrap: wrap;
                border-radius: 30px;
                padding: 0.3rem;
            }
            .search-wrap input {
                padding: 0.5rem 0.8rem;
                font-size: 0.95rem;
                min-width: 120px;
            }
            .search-wrap button {
                padding: 0.5rem 1rem;
                font-size: 0.85rem;
            }
            .stat-grid {
                grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            }
            .info-card {
                padding: 1rem 1.2rem;
            }
            .feedback-card {
                padding: 1rem 1.2rem;
            }
            friend-link {
                padding: 0.8rem 1rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.2rem;
            }
            h3 {
                font-size: 1.05rem;
            }
            .my-logo {
                font-size: 1.1rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 0.3rem 0.8rem;
            }
            .star-rating label {
                font-size: 1.4rem;
            }
        }
        .tag {
            display: inline-block;
            background: #c44536;
            color: #fff;
            padding: 0.15rem 0.8rem;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            color: #4a5a6a;
            background: #eef2f5;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            width: fit-content;
            margin: 1rem 0 0.2rem;
        }
        .last-updated i {
            color: #c44536;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
        }
        th,
        td {
            text-align: left;
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #e6eaee;
        }
        th {
            background: #0f1a2b;
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f8fafc;
        }
        .highlight {
            background: #fff8e7;
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .btn-top {
            position: fixed;
            bottom: 24px;
            right: 24px;
            background: #c44536;
            color: #fff;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 6px 20px rgba(196, 69, 54, 0.3);
            border: none;
            cursor: pointer;
            transition: transform 0.2s, background 0.2s;
            z-index: 99;
        }
        .btn-top:hover {
            background: #8a2a1a;
            transform: translateY(-4px);
        }