* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Arial, sans-serif;
            background: #f4f7fb;
            color: #1e2a3a;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #0f6cbf;
            text-decoration: none;
            transition: color .2s;
        }
        a:hover {
            color: #09447a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0b1a2e 0%, #1a3a5c 100%);
            color: #fff;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, .25);
        }
        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: linear-gradient(90deg, #f7d875, #f9b042);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(249, 176, 66, .25);
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: .9;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #f9b042;
            margin-right: 6px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 28px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background .2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, .1);
        }
        nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        nav a {
            color: #e0edf9;
            padding: 6px 14px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 500;
            transition: all .25s;
            white-space: nowrap;
        }
        nav a:hover {
            background: rgba(255, 255, 255, .15);
            color: #fff;
            text-decoration: none;
        }
        nav a i {
            margin-right: 4px;
            font-size: 13px;
        }
        .breadcrumb {
            background: #e8eef5;
            padding: 10px 0;
            font-size: 14px;
            border-bottom: 1px solid #dce3ec;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            gap: 4px 10px;
        }
        .breadcrumb a {
            color: #2a5778;
        }
        .breadcrumb a:hover {
            color: #0f3a55;
        }
        .breadcrumb span {
            color: #5a6f82;
        }
        .breadcrumb i {
            font-size: 12px;
            color: #7f95aa;
            margin: 0 2px;
        }
        .hero {
            background: linear-gradient(145deg, #0f2a44, #1c4e76);
            color: #fff;
            padding: 50px 0 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 6px;
            background: linear-gradient(90deg, #f7d875, #f9b042, #f7d875);
        }
        .hero h1 {
            font-size: 42px;
            font-weight: 900;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, .3);
        }
        .hero h1 i {
            color: #f9b042;
            margin-right: 10px;
        }
        .hero p {
            font-size: 19px;
            max-width: 780px;
            margin: 0 auto 18px;
            opacity: .92;
            line-height: 1.6;
        }
        .hero .badge {
            display: inline-block;
            background: rgba(255, 255, 255, .12);
            backdrop-filter: blur(4px);
            padding: 6px 22px;
            border-radius: 40px;
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, .15);
        }
        .hero .badge i {
            color: #f7d875;
            margin-right: 6px;
        }
        main {
            padding: 36px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media(max-width:992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body h2 {
            font-size: 30px;
            font-weight: 800;
            margin: 42px 0 16px;
            color: #0b1a2e;
            border-left: 5px solid #f9b042;
            padding-left: 18px;
        }
        .article-body h2 i {
            color: #f9b042;
            margin-right: 10px;
        }
        .article-body h3 {
            font-size: 24px;
            font-weight: 700;
            margin: 30px 0 12px;
            color: #1a3a5c;
        }
        .article-body h3 i {
            color: #1a6b9e;
            margin-right: 8px;
            font-size: 20px;
        }
        .article-body h4 {
            font-size: 19px;
            font-weight: 600;
            margin: 20px 0 8px;
            color: #2a4a6a;
        }
        .article-body p {
            margin-bottom: 16px;
            font-size: 16px;
            color: #1e2a3a;
        }
        .article-body .highlight {
            background: #fef6e6;
            border-left: 4px solid #f9b042;
            padding: 14px 20px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
        }
        .article-body .highlight i {
            color: #f9b042;
            margin-right: 8px;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 20px 22px;
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .article-body .quote-block {
            background: #eef3f9;
            padding: 20px 24px;
            border-radius: 12px;
            margin: 20px 0;
            font-style: italic;
            border: 1px solid #dce3ec;
        }
        .article-body .quote-block i {
            color: #1a6b9e;
            margin-right: 6px;
        }
        .article-body .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }
        .article-body .stat-card {
            background: #fff;
            border-radius: 12px;
            padding: 18px 16px;
            text-align: center;
            box-shadow: 0 2px 12px rgba(0, 0, 0, .06);
            border: 1px solid #e8eef5;
            transition: transform .2s;
        }
        .article-body .stat-card:hover {
            transform: translateY(-3px);
        }
        .article-body .stat-card .num {
            font-size: 32px;
            font-weight: 900;
            color: #0f6cbf;
        }
        .article-body .stat-card .label {
            font-size: 14px;
            color: #5a6f82;
            margin-top: 4px;
        }
        .article-body .stat-card i {
            font-size: 28px;
            color: #f9b042;
            margin-bottom: 6px;
        }
        .featured-img {
            margin: 28px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 24px rgba(0, 0, 0, .08);
        }
        .featured-img img {
            width: 100%;
            height: auto;
        }
        .featured-img figcaption {
            background: #f4f7fb;
            padding: 10px 16px;
            font-size: 14px;
            color: #4a5f72;
            text-align: center;
            border-top: 1px solid #e0e8f0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: 15px;
            min-width: 580px;
        }
        .table-wrap th {
            background: #0b1a2e;
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .table-wrap td {
            padding: 10px 16px;
            border-bottom: 1px solid #dce3ec;
        }
        .table-wrap tr:nth-child(even) {
            background: #f8fafc;
        }
        .table-wrap tr:hover td {
            background: #eef3f9;
        }
        .sidebar {
            background: #fff;
            border-radius: 16px;
            padding: 24px 20px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, .05);
            border: 1px solid #e8eef5;
            height: fit-content;
            position: sticky;
            top: 90px;
        }
        .sidebar h3 {
            font-size: 20px;
            font-weight: 700;
            color: #0b1a2e;
            margin-bottom: 16px;
            border-bottom: 2px solid #f9b042;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar li {
            margin-bottom: 8px;
        }
        .sidebar a {
            display: block;
            padding: 8px 12px;
            border-radius: 8px;
            background: #f4f7fb;
            transition: all .2s;
            font-size: 15px;
        }
        .sidebar a:hover {
            background: #e0edf9;
            text-decoration: none;
            transform: translateX(4px);
        }
        .sidebar a i {
            color: #f9b042;
            margin-right: 8px;
            font-size: 13px;
        }
        .sidebar .link-list-label {
            font-size: 13px;
            color: #7f95aa;
            margin-top: 18px;
            margin-bottom: 6px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: .5px;
        }
        .search-box {
            background: #fff;
            border-radius: 12px;
            padding: 20px 22px;
            margin: 28px 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, .05);
            border: 1px solid #e0e8f0;
        }
        .search-box form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .search-box input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border: 2px solid #dce3ec;
            border-radius: 40px;
            font-size: 16px;
            outline: none;
            transition: border .2s;
            background: #f8fafc;
        }
        .search-box input[type="text"]:focus {
            border-color: #0f6cbf;
            background: #fff;
        }
        .search-box button {
            padding: 12px 28px;
            background: #0f6cbf;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all .25s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-box button:hover {
            background: #09447a;
            transform: scale(1.02);
        }
        .user-feedback {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 36px 0;
        }
        @media(max-width:768px) {
            .user-feedback {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px 22px;
            box-shadow: 0 2px 16px rgba(0, 0, 0, .05);
            border: 1px solid #e8eef5;
        }
        .feedback-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: #0b1a2e;
            margin-bottom: 16px;
        }
        .feedback-card h3 i {
            color: #f9b042;
            margin-right: 8px;
        }
        .feedback-card textarea,
        .feedback-card input[type="number"],
        .feedback-card input[type="text"] {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #dce3ec;
            border-radius: 10px;
            font-size: 15px;
            font-family: inherit;
            outline: none;
            transition: border .2s;
            background: #f8fafc;
            margin-bottom: 12px;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus {
            border-color: #0f6cbf;
            background: #fff;
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card .star-rating {
            display: flex;
            gap: 4px;
            font-size: 26px;
            color: #dce3ec;
            cursor: pointer;
            margin-bottom: 12px;
        }
        .feedback-card .star-rating i {
            transition: color .2s;
        }
        .feedback-card .star-rating i.active,
        .feedback-card .star-rating i:hover {
            color: #f9b042;
        }
        .feedback-card button {
            padding: 12px 28px;
            background: #0f6cbf;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all .25s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .feedback-card button:hover {
            background: #09447a;
            transform: scale(1.02);
        }
        footer {
            background: #0b1a2e;
            color: #c8d9e8;
            padding: 40px 0 20px;
            border-top: 4px solid #f9b042;
        }
        footer .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px 40px;
        }
        @media(max-width:640px) {
            footer .container {
                grid-template-columns: 1fr;
            }
        }
        footer h4 {
            color: #fff;
            font-size: 18px;
            margin-bottom: 12px;
            font-weight: 700;
        }
        footer a {
            color: #b0cde0;
        }
        footer a:hover {
            color: #fff;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, .04);
            padding: 16px 20px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, .06);
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 10px;
            background: rgba(255, 255, 255, .06);
            border-radius: 30px;
            font-size: 14px;
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, .12);
            text-decoration: none;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, .08);
            font-size: 14px;
            color: #8aa5bb;
        }
        .copyright i {
            margin: 0 4px;
        }
        @media(max-width:768px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 12px;
                gap: 4px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 10px 16px;
                border-radius: 8px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero p {
                font-size: 16px;
            }
            .article-body h2 {
                font-size: 24px;
            }
            .article-body h3 {
                font-size: 20px;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 14px;
            }
            .hero {
                padding: 32px 0 30px;
            }
            .hero h1 {
                font-size: 22px;
            }
            .my-logo {
                font-size: 22px;
            }
            .search-box form {
                flex-direction: column;
            }
            .search-box button {
                justify-content: center;
            }
        }
        .last-updated {
            display: inline-block;
            background: #eef3f9;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 14px;
            color: #3a5a72;
            margin-bottom: 20px;
        }
        .last-updated i {
            margin-right: 4px;
            color: #1a6b9e;
        }
        html {
            scroll-behavior: smooth;
        }
        :focus-visible {
            outline: 3px solid #f9b042;
            outline-offset: 2px;
        }