* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f4f7fc;
            color: #1e2a3a;
            line-height: 1.7;
            font-size: 16px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0b1a2e, #1a3a5c);
            color: #fff;
            padding: 18px 0;
            border-bottom: 4px solid #f5a623;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: 0.3s;
        }
        .my-logo:hover {
            color: #f5a623;
            transform: scale(1.02);
        }
        .my-logo i {
            color: #f5a623;
            font-size: 2rem;
        }
        .my-logo span {
            font-weight: 300;
            color: #8fc1ff;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-list li a {
            color: #e0edff;
            text-decoration: none;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: 0.3s;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .nav-list li a:hover {
            background: #f5a623;
            color: #0b1a2e;
            border-color: #f5a623;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(245, 166, 35, 0.35);
        }
        .nav-list li a i {
            margin-right: 6px;
            font-size: 0.8rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 8px;
            transition: 0.3s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #e9eef4;
            padding: 12px 0;
            border-bottom: 1px solid #d5dee8;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            font-size: 0.85rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
            color: #4a5e77;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #f5a623;
            font-weight: 700;
            font-size: 1.2rem;
            margin-right: 6px;
        }
        .breadcrumb a {
            color: #1a3a5c;
            text-decoration: none;
            transition: 0.3s;
        }
        .breadcrumb a:hover {
            color: #f5a623;
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #f5a623;
            font-weight: 600;
        }
        main {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        article {
            background: #fff;
            border-radius: 24px;
            padding: 40px 44px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
            border: 1px solid #e9eef4;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: #0b1a2e;
            margin-bottom: 10px;
        }
        h1 i {
            color: #f5a623;
            margin-right: 12px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: #5a6f89;
            font-size: 0.9rem;
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 2px solid #f0f4fa;
        }
        .article-meta i {
            margin-right: 6px;
            color: #f5a623;
        }
        .last-updated {
            font-weight: 600;
            color: #1a3a5c;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-top: 48px;
            margin-bottom: 16px;
            color: #0b1a2e;
            border-left: 5px solid #f5a623;
            padding-left: 18px;
        }
        h2 i {
            margin-right: 10px;
            color: #f5a623;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin-top: 32px;
            margin-bottom: 12px;
            color: #1a3a5c;
        }
        h3 i {
            margin-right: 8px;
            color: #f5a623;
            font-size: 1.1rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-top: 24px;
            margin-bottom: 8px;
            color: #2a4a6c;
        }
        p {
            margin-bottom: 18px;
            color: #2a3a4e;
        }
        .highlight-box {
            background: #f0f7ff;
            border-left: 5px solid #f5a623;
            padding: 20px 24px;
            border-radius: 12px;
            margin: 24px 0;
        }
        .highlight-box strong {
            color: #0b1a2e;
        }
        .feature-img {
            margin: 30px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        .feature-img img {
            width: 100%;
            height: auto;
            display: block;
            transition: 0.5s;
        }
        .feature-img img:hover {
            transform: scale(1.01);
        }
        .feature-img figcaption {
            background: #f0f4fa;
            padding: 12px 20px;
            font-size: 0.85rem;
            color: #4a5e77;
            text-align: center;
        }
        .pro-tip {
            background: linear-gradient(135deg, #fef7e8, #fff8ee);
            border: 1px solid #f5d9a0;
            border-radius: 16px;
            padding: 20px 24px;
            margin: 24px 0;
        }
        .pro-tip strong {
            color: #b47c1a;
        }
        .data-table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
        }
        th,
        td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid #e9eef4;
        }
        th {
            background: #0b1a2e;
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f8faff;
        }
        tr:hover {
            background: #f0f7ff;
        }
        .inline-link {
            color: #1a3a5c;
            font-weight: 600;
            text-decoration: none;
            border-bottom: 2px solid #f5a623;
            transition: 0.3s;
        }
        .inline-link:hover {
            color: #f5a623;
            border-bottom-color: #0b1a2e;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 20px;
            padding: 26px 24px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
            border: 1px solid #e9eef4;
        }
        .sidebar-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 3px solid #f5a623;
            padding-bottom: 10px;
            display: inline-block;
        }
        .sidebar-card ul {
            list-style: none;
            margin-top: 14px;
        }
        .sidebar-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid #f0f4fa;
        }
        .sidebar-card ul li a {
            color: #1a3a5c;
            text-decoration: none;
            transition: 0.3s;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card ul li a:hover {
            color: #f5a623;
            padding-left: 6px;
        }
        .sidebar-card ul li a i {
            color: #f5a623;
            font-size: 0.8rem;
        }
        .search-box form {
            display: flex;
            gap: 8px;
            margin-top: 10px;
        }
        .search-box input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid #d5dee8;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.3s;
            background: #f8faff;
        }
        .search-box input:focus {
            border-color: #f5a623;
            box-shadow: 0 0 0 4px rgba(245, 166, 35, 0.15);
        }
        .search-box button {
            background: #f5a623;
            border: none;
            border-radius: 30px;
            padding: 0 22px;
            color: #0b1a2e;
            font-size: 1.1rem;
            cursor: pointer;
            transition: 0.3s;
            font-weight: 600;
        }
        .search-box button:hover {
            background: #e0941a;
            transform: scale(1.04);
        }
        .comment-box textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid #d5dee8;
            border-radius: 16px;
            font-family: inherit;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 100px;
            transition: 0.3s;
            background: #f8faff;
            margin-top: 10px;
        }
        .comment-box textarea:focus {
            border-color: #f5a623;
            box-shadow: 0 0 0 4px rgba(245, 166, 35, 0.1);
            outline: none;
        }
        .comment-box input[type="text"] {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #d5dee8;
            border-radius: 30px;
            font-size: 0.95rem;
            transition: 0.3s;
            background: #f8faff;
            margin: 8px 0;
        }
        .comment-box input:focus {
            border-color: #f5a623;
            outline: none;
            box-shadow: 0 0 0 4px rgba(245, 166, 35, 0.1);
        }
        .comment-box .btn-submit {
            background: #0b1a2e;
            color: #fff;
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.3s;
            margin-top: 8px;
            font-size: 0.95rem;
        }
        .comment-box .btn-submit:hover {
            background: #f5a623;
            color: #0b1a2e;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 166, 35, 0.3);
        }
        .rating-box .stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            margin: 10px 0;
            cursor: pointer;
            direction: rtl;
        }
        .rating-box .stars input {
            display: none;
        }
        .rating-box .stars label {
            color: #d5dee8;
            transition: 0.3s;
            cursor: pointer;
        }
        .rating-box .stars label:hover,
        .rating-box .stars label:hover~label,
        .rating-box .stars input:checked~label {
            color: #f5a623;
            transform: scale(1.1);
        }
        .rating-box .btn-rate {
            background: transparent;
            border: 2px solid #f5a623;
            color: #f5a623;
            padding: 8px 24px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.3s;
            font-size: 0.9rem;
        }
        .rating-box .btn-rate:hover {
            background: #f5a623;
            color: #0b1a2e;
            box-shadow: 0 4px 16px rgba(245, 166, 35, 0.3);
        }
        friend-link {
            display: block;
            background: #0b1a2e;
            color: #e0edff;
            padding: 40px 0 30px;
            border-top: 4px solid #f5a623;
        }
        friend-link .container {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 40px;
            justify-content: center;
        }
        friend-link a {
            color: #b8d4ff;
            text-decoration: none;
            padding: 6px 18px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: 0.3s;
            font-size: 0.9rem;
        }
        friend-link a:hover {
            background: #f5a623;
            color: #0b1a2e;
            border-color: #f5a623;
            transform: translateY(-2px);
        }
        footer {
            background: #071220;
            color: #8faecf;
            padding: 28px 0;
            text-align: center;
            font-size: 0.85rem;
        }
        footer .container {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        footer a {
            color: #f5a623;
            text-decoration: none;
        }
        footer a:hover {
            text-decoration: underline;
        }
        footer .copyright {
            color: #5a7a9a;
            letter-spacing: 0.3px;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            article {
                padding: 28px 24px;
            }
            h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0b1a2e;
                padding: 16px 12px;
                border-radius: 16px;
                margin-top: 12px;
                border: 1px solid rgba(255, 255, 255, 0.1);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 12px 18px;
                font-size: 1rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            nav {
                width: 100%;
                flex-direction: column;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            article {
                padding: 20px 16px;
            }
            .sidebar-card {
                padding: 20px 16px;
            }
            .rating-box .stars {
                font-size: 1.5rem;
            }
            .breadcrumb ol {
                font-size: 0.75rem;
                gap: 4px 8px;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            h1 {
                font-size: 1.4rem;
            }
            .article-meta {
                font-size: 0.8rem;
                gap: 10px;
            }
            .container {
                padding: 0 12px;
            }
            .search-box form {
                flex-direction: column;
            }
            .search-box button {
                padding: 12px;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #f5a623;
            color: #0b1a2e;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 6px 24px rgba(245, 166, 35, 0.3);
            cursor: pointer;
            transition: 0.3s;
            border: none;
            z-index: 999;
        }
        .scroll-top:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 36px rgba(245, 166, 35, 0.4);
        }
        .anchor-offset {
            scroll-margin-top: 100px;
        }