*,
        *::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, 'Helvetica Neue', sans-serif;
            background: #f4f7fc;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #d35400;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e67e22;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 14px;
        }
        ul,
        ol {
            padding-left: 1.6rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        p {
            margin-bottom: 1.2rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            color: #0b1a2b;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.6rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 3px solid #e67e22;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.15rem;
            color: #34495e;
            font-weight: 600;
        }
        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .badge {
            display: inline-block;
            background: #e67e22;
            color: #fff;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        header {
            background: #0b1a2b;
            color: #fff;
            padding: 0 0 0 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;
            padding: 0.6rem 20px;
            max-width: 1140px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #f39c12;
            letter-spacing: -0.5px;
            text-transform: uppercase;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #f1c40f;
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.7rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
        }
        .nav-menu {
            display: flex;
            gap: 1.2rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #ecf0f1;
            font-weight: 500;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        .nav-menu a:hover {
            background: #e67e22;
            color: #fff;
            text-decoration: none;
        }
        .nav-menu a.active {
            background: #e67e22;
            color: #fff;
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 0.7rem 20px;
            font-size: 0.85rem;
            border-bottom: 1px solid #dce1e8;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            padding: 0;
            margin: 0;
            max-width: 1140px;
            margin: 0 auto;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #7f8c8d;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #2c3e50;
        }
        .breadcrumb a:hover {
            color: #d35400;
        }
        .breadcrumb .current {
            color: #7f8c8d;
        }
        .hero {
            background: linear-gradient(135deg, #0b1a2b 0%, #1a2f40 100%);
            color: #fff;
            padding: 2.8rem 20px 2.2rem;
            text-align: center;
            border-bottom: 5px solid #e67e22;
        }
        .hero h1 {
            color: #f39c12;
            font-size: 2.8rem;
            margin: 0 0 0.6rem;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 720px;
            margin: 0 auto 0.8rem;
            opacity: 0.92;
        }
        .hero .meta {
            font-size: 0.9rem;
            opacity: 0.75;
            display: flex;
            justify-content: center;
            gap: 1.6rem;
            flex-wrap: wrap;
        }
        .search-wrap {
            background: #fff;
            padding: 1.6rem 20px;
            border-radius: 14px;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.06);
            margin: 2rem 0 1.2rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            align-items: center;
            justify-content: center;
        }
        .search-wrap form {
            display: flex;
            flex: 1 1 360px;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .search-wrap input[type="text"] {
            flex: 1;
            padding: 0.75rem 1.2rem;
            border: 2px solid #dce1e8;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
            min-width: 180px;
        }
        .search-wrap input[type="text"]:focus {
            border-color: #e67e22;
        }
        .search-wrap button {
            background: #e67e22;
            color: #fff;
            border: none;
            padding: 0.75rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s;
            font-size: 1rem;
        }
        .search-wrap button:hover {
            background: #d35400;
            transform: scale(1.02);
        }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.4rem;
            margin: 2rem 0 2.8rem;
        }
        .main-content {
            background: #fff;
            padding: 2rem 2.2rem;
            border-radius: 18px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
        }
        .sidebar {
            background: #fff;
            padding: 1.6rem 1.8rem;
            border-radius: 18px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
            align-self: start;
            position: sticky;
            top: 90px;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-left: 4px solid #e67e22;
            padding-left: 0.8rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0f2f5;
        }
        .sidebar ul li a {
            color: #2c3e50;
            font-weight: 500;
        }
        .sidebar ul li a:hover {
            color: #d35400;
        }
        .feature-img {
            margin: 1.8rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .feature-img img {
            width: 100%;
            object-fit: cover;
        }
        .feature-img figcaption {
            background: #f8f9fa;
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #5d6d7e;
            text-align: center;
        }
        .highlight-box {
            background: #fef9f0;
            border-left: 5px solid #e67e22;
            padding: 1.2rem 1.6rem;
            border-radius: 8px;
            margin: 1.6rem 0;
        }
        .highlight-box strong {
            color: #d35400;
        }
        .quote-box {
            background: #eaf2f8;
            padding: 1.2rem 1.8rem;
            border-radius: 12px;
            font-style: italic;
            margin: 1.6rem 0;
            border-left: 4px solid #2980b9;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1rem;
            margin: 1.4rem 0;
        }
        .stat-card {
            background: #f4f7fc;
            padding: 1rem;
            border-radius: 12px;
            text-align: center;
            border: 1px solid #e9edf2;
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: #e67e22;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #5d6d7e;
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.6rem;
            margin: 2.4rem 0 1.2rem;
        }
        .comment-box,
        .score-box {
            background: #f8fafc;
            padding: 1.4rem 1.8rem;
            border-radius: 14px;
            border: 1px solid #e9edf2;
        }
        .comment-box h3,
        .score-box h3 {
            margin-top: 0;
            font-size: 1.2rem;
        }
        .comment-box form,
        .score-box form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .comment-box textarea {
            padding: 0.8rem 1rem;
            border: 2px solid #dce1e8;
            border-radius: 10px;
            font-family: inherit;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 90px;
            outline: none;
            transition: border 0.3s;
        }
        .comment-box textarea:focus {
            border-color: #e67e22;
        }
        .comment-box input[type="text"],
        .score-box input[type="number"],
        .score-box input[type="text"] {
            padding: 0.7rem 1rem;
            border: 2px solid #dce1e8;
            border-radius: 10px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.3s;
        }
        .comment-box input:focus,
        .score-box input:focus {
            border-color: #e67e22;
        }
        .comment-box button,
        .score-box button {
            background: #0b1a2b;
            color: #fff;
            border: none;
            padding: 0.7rem 1.6rem;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
        }
        .comment-box button:hover,
        .score-box button:hover {
            background: #e67e22;
        }
        .score-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #f1c40f;
            cursor: pointer;
        }
        .score-stars i {
            transition: transform 0.15s;
        }
        .score-stars i:hover {
            transform: scale(1.2);
        }
        footer {
            background: #0b1a2b;
            color: #b0bec5;
            padding: 2.4rem 20px 1.6rem;
            margin-top: 3rem;
            border-top: 4px solid #e67e22;
        }
        .footer-inner {
            max-width: 1140px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #f39c12;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: #b0bec5;
        }
        .footer-inner a:hover {
            color: #f1c40f;
        }
        friend-link {
            display: block;
            margin-top: 1.2rem;
            padding-top: 1.2rem;
            border-top: 1px solid #1f3a4b;
            font-size: 0.9rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            margin-bottom: 0.4rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.6rem;
            margin-top: 1.6rem;
            border-top: 1px solid #1f3a4b;
            font-size: 0.85rem;
            color: #78909c;
            max-width: 1140px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 900px) {
            .content-area {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .interaction-area {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .main-content {
                padding: 1.4rem;
            }
        }
        @media (max-width: 700px) {
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #0b1a2b;
                padding: 1rem 0 1.2rem;
                gap: 0.6rem;
                border-top: 1px solid #1f3a4b;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            .header-inner {
                padding: 0.5rem 16px;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .search-wrap form {
                flex-direction: column;
            }
            .search-wrap button {
                width: 100%;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.4rem;
            }
            .main-content {
                padding: 1rem;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 0.5rem 12px;
            }
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .text-center {
            text-align: center;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            align-items: center;
        }
        .gap-1 {
            gap: 1rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.4rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        table th {
            background: #0b1a2b;
            color: #f39c12;
            padding: 0.6rem 1rem;
            text-align: left;
        }
        table td {
            padding: 0.6rem 1rem;
            border-bottom: 1px solid #e9edf2;
        }
        table tr:hover td {
            background: #f8f9fa;
        }
        .last-update {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #e8f0fe;
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #1a4d7a;
            font-weight: 500;
        }