*,
        *::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: #f4f7fc;
            color: #1a2a3a;
            line-height: 1.7;
            padding: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e74c3c;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a2e 0%, #1a3a4a 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.6rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f39c12, #e74c3c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            transition: transform 0.2s;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.65rem;
            font-weight: 400;
            -webkit-text-fill-color: #aac;
            display: block;
            letter-spacing: 1px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.5rem;
            padding: 0.3rem 0.7rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.2rem 1.2rem;
            list-style: none;
            padding: 0;
        }
        .nav-menu li a {
            color: #dde8f0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .nav-menu li a:hover {
            color: #f39c12;
            border-bottom-color: #f39c12;
            text-decoration: none;
        }
        .breadcrumb-wrap {
            background: #e8edf3;
            padding: 0.5rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d0dae6;
        }
        .breadcrumb-wrap ol {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-wrap ol li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #7f8c8d;
        }
        .breadcrumb-wrap a {
            color: #2c3e50;
        }
        .breadcrumb-wrap .active {
            color: #c0392b;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #0f2a3f, #1b4a5e);
            color: #fff;
            padding: 3rem 0 2.5rem;
            margin-bottom: 2rem;
            border-radius: 0 0 40px 40px;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 0.6rem;
        }
        .hero h1 span {
            background: linear-gradient(135deg, #f1c40f, #e67e22);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 720px;
            margin: 0.6rem auto 1.2rem;
            opacity: 0.9;
        }
        .hero .badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            font-size: 0.85rem;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .search-section {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            margin: -1.8rem auto 2.5rem;
            max-width: 800px;
            position: relative;
            z-index: 5;
        }
        .search-section form {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .search-section input[type="text"] {
            flex: 1 1 200px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #dce4ec;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-section input[type="text"]:focus {
            border-color: #c0392b;
        }
        .search-section button {
            background: #c0392b;
            color: #fff;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-section button:hover {
            background: #a93226;
            transform: scale(1.02);
        }
        .content-wrap {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        @media (min-width: 992px) {
            .content-wrap {
                grid-template-columns: 1fr 320px;
            }
        }
        .main-article h2 {
            font-size: 2rem;
            color: #0b1a2e;
            border-left: 5px solid #e74c3c;
            padding-left: 1rem;
            margin: 2.5rem 0 1rem;
        }
        .main-article h3 {
            font-size: 1.5rem;
            color: #1a3a4a;
            margin: 1.8rem 0 0.8rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .main-article h4 {
            font-size: 1.2rem;
            color: #2c3e50;
            margin: 1.4rem 0 0.5rem;
            font-weight: 600;
        }
        .main-article p {
            margin-bottom: 1.2rem;
            color: #2c3e50;
        }
        .main-article .feature-box {
            background: #eef3f9;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 1.5rem 0;
            border-left: 6px solid #f39c12;
        }
        .main-article .feature-box ul {
            margin-top: 0.5rem;
        }
        .main-article .feature-box li {
            margin-bottom: 0.4rem;
        }
        .img-block {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .img-block img {
            width: 100%;
            object-fit: cover;
        }
        .img-block figcaption {
            background: #fff;
            padding: 0.7rem 1.2rem;
            font-size: 0.85rem;
            color: #5a6a7a;
            border-top: 1px solid #e8edf3;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
        }
        .sidebar-card h4 {
            font-size: 1.2rem;
            border-bottom: 2px solid #e74c3c;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
            color: #0b1a2e;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0f3f7;
        }
        .sidebar-card ul li a {
            color: #2c3e50;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .sidebar-card ul li a:hover {
            color: #c0392b;
            text-decoration: none;
        }
        .feedback-section {
            background: #fff;
            border-radius: 20px;
            padding: 2rem;
            margin: 2.5rem 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        @media (max-width: 640px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #f8fafc;
            border-radius: 16px;
            padding: 1.5rem;
        }
        .feedback-card h4 {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
            color: #0b1a2e;
        }
        .feedback-card textarea,
        .feedback-card input[type="text"],
        .feedback-card input[type="number"] {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #dce4ec;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            resize: vertical;
            outline: none;
            transition: border 0.2s;
            margin-bottom: 0.8rem;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus {
            border-color: #c0392b;
        }
        .feedback-card button {
            background: #1a3a4a;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card button:hover {
            background: #0b2a3a;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            margin-bottom: 0.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #d0d8e0;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f1c40f;
        }
        .site-footer {
            background: #0b1a2e;
            color: #b0c4d8;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
            border-radius: 40px 40px 0 0;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        @media (max-width: 640px) {
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        .footer-inner h5 {
            color: #f0f4f8;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
            border-bottom: 2px solid #2a4a5a;
            padding-bottom: 0.4rem;
        }
        .footer-inner ul {
            list-style: none;
            padding: 0;
        }
        .footer-inner ul li {
            padding: 0.25rem 0;
        }
        .footer-inner ul li a {
            color: #b0c4d8;
        }
        .footer-inner ul li a:hover {
            color: #f39c12;
        }
        .footer-bottom {
            border-top: 1px solid #2a4a5a;
            margin-top: 2rem;
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.85rem;
        }
        friend-link {
            display: block;
            padding: 0.5rem 0;
        }
        friend-link a {
            color: #b0c4d8;
            margin: 0 0.6rem;
        }
        friend-link a:hover {
            color: #f39c12;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f2a3f;
                padding: 1rem 0;
                border-radius: 0 0 16px 16px;
                gap: 0.2rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                padding: 0.6rem 1.2rem;
                white-space: normal;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .hero h1 {
                font-size: 2rem;
            }
            .search-section {
                padding: 1.2rem;
                margin: -1.8rem 1rem 2rem;
            }
            .search-section form {
                flex-direction: column;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero p {
                font-size: 0.95rem;
            }
            .breadcrumb-wrap {
                font-size: 0.75rem;
            }
            .feedback-card {
                padding: 1rem;
            }
        }
        .updated-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #d4edda;
            color: #155724;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .table-wrap th {
            background: #0b1a2e;
            color: #fff;
            padding: 0.8rem 1rem;
            text-align: left;
        }
        .table-wrap td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #eef3f9;
        }
        .table-wrap tr:last-child td {
            border-bottom: none;
        }
        .highlight {
            background: #fef9e7;
            border-radius: 8px;
            padding: 0.1rem 0.4rem;
        }