* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f4f7fc;
            color: #1e2a3e;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #1e6f9f;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #0e3b5a;
            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%, #1c3a5a 100%);
            color: #fff;
            padding: 16px 0;
            border-bottom: 4px solid #f0b429;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: 1px;
            color: #f0b429;
            text-shadow: 0 2px 8px rgba(0,0,0,0.3);
        }
        .my-logo i {
            margin-right: 8px;
            color: #6fc2d0;
        }
        .my-logo small {
            font-size: 0.7rem;
            display: block;
            color: #b8d4e3;
            font-weight: 400;
            letter-spacing: 0;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .my-logo a:hover {
            text-decoration: none;
            color: #f7d97e;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #f0b429;
            color: #f0b429;
            font-size: 1.4rem;
            padding: 6px 14px;
            border-radius: 6px;
            cursor: pointer;
        }
        .nav-toggle:hover {
            background: #f0b429;
            color: #0b1a2e;
        }
        nav {
            display: flex;
            gap: 6px 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #e0edf5;
            font-weight: 500;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        nav a:hover {
            color: #f0b429;
            border-bottom-color: #f0b429;
            text-decoration: none;
        }
        nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #e9eef3;
            padding: 10px 20px;
            font-size: 0.85rem;
            color: #3a4b5e;
            border-bottom: 1px solid #d0dae4;
        }
        .breadcrumb a {
            color: #1e6f9f;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            margin: 0 6px;
            color: #7a8a9e;
        }
        main {
            background: #fff;
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #0b1a2e;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .article-body .meta {
            color: #5a6e82;
            font-size: 0.9rem;
            margin-bottom: 24px;
            border-bottom: 1px solid #e2e8f0;
            padding-bottom: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }
        .article-body .meta i {
            margin-right: 6px;
            color: #1e6f9f;
        }
        .article-body h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #0b1a2e;
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #f0b429;
            display: inline-block;
        }
        .article-body h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: #1c3a5a;
            margin: 32px 0 12px;
        }
        .article-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #2c4a6a;
            margin: 24px 0 8px;
        }
        .article-body p {
            margin-bottom: 18px;
            color: #2a3a4e;
        }
        .article-body p b,
        .article-body p strong {
            color: #0b1a2e;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 22px 24px;
            color: #2a3a4e;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body blockquote {
            border-left: 5px solid #f0b429;
            background: #f7fafc;
            padding: 18px 24px;
            margin: 24px 0;
            font-style: italic;
            color: #2c4a6a;
            border-radius: 0 8px 8px 0;
        }
        .article-body blockquote footer {
            font-style: normal;
            font-size: 0.9rem;
            color: #5a6e82;
            margin-top: 8px;
        }
        .article-body .featured-img {
            margin: 30px 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0,0,0,0.08);
            background: #eef3f8;
            text-align: center;
        }
        .article-body .featured-img img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .article-body .featured-img figcaption {
            padding: 10px;
            font-size: 0.85rem;
            color: #4a5e72;
            background: #f7fafc;
        }
        .article-body .card-highlight {
            background: #f0f6fd;
            border-left: 4px solid #1e6f9f;
            padding: 16px 20px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
        }
        .article-body .card-highlight i {
            color: #1e6f9f;
            margin-right: 8px;
        }
        .article-body .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
            background: #f7fafc;
            padding: 16px 20px;
            border-radius: 8px;
            margin: 20px 0;
            border: 1px solid #e2e8f0;
        }
        .article-body .link-list a {
            font-weight: 500;
        }
        .article-body .link-list a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .article-body .interview-box {
            background: #faf5eb;
            border: 1px solid #e8dcc8;
            border-radius: 12px;
            padding: 24px;
            margin: 28px 0;
        }
        .article-body .interview-box h4 {
            margin-top: 0;
            color: #7a5a2a;
        }
        .article-body .interview-box i {
            color: #b88a4a;
        }
        .sidebar {
            background: #f7fafc;
            border-radius: 12px;
            padding: 24px;
            border: 1px solid #e2e8f0;
            height: fit-content;
            position: sticky;
            top: 20px;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            color: #0b1a2e;
            margin-bottom: 16px;
            border-bottom: 2px solid #f0b429;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 10px;
        }
        .sidebar li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 0;
            border-bottom: 1px solid #e8edf2;
        }
        .sidebar li a i {
            width: 20px;
            color: #1e6f9f;
        }
        .interactive-section {
            margin-top: 50px;
            padding-top: 30px;
            border-top: 2px solid #e2e8f0;
        }
        .interactive-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        @media (max-width: 700px) {
            .interactive-grid {
                grid-template-columns: 1fr;
            }
        }
        .interactive-card {
            background: #f7fafc;
            border-radius: 12px;
            padding: 24px;
            border: 1px solid #e2e8f0;
        }
        .interactive-card h3 {
            font-size: 1.2rem;
            margin-bottom: 16px;
            color: #0b1a2e;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .interactive-card h3 i {
            color: #f0b429;
        }
        .interactive-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .interactive-card input,
        .interactive-card textarea,
        .interactive-card select {
            padding: 10px 14px;
            border: 1px solid #cbd5e1;
            border-radius: 6px;
            font-size: 1rem;
            font-family: inherit;
            background: #fff;
            transition: border 0.2s;
        }
        .interactive-card input:focus,
        .interactive-card textarea:focus,
        .interactive-card select:focus {
            border-color: #1e6f9f;
            outline: none;
            box-shadow: 0 0 0 3px rgba(30,111,159,0.15);
        }
        .interactive-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interactive-card button {
            background: #1e6f9f;
            color: #fff;
            border: none;
            padding: 12px 20px;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
        }
        .interactive-card button:hover {
            background: #0e3b5a;
        }
        .interactive-card button i {
            font-size: 0.9rem;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #d0d8e0;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #f0b429;
        }
        footer {
            background: #0b1a2e;
            color: #b8d4e3;
            padding: 40px 0 24px;
            border-top: 4px solid #f0b429;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 24px;
        }
        @media (max-width: 700px) {
            footer .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        footer h4 {
            color: #f0b429;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        footer a {
            color: #b8d4e3;
        }
        footer a:hover {
            color: #f0b429;
            text-decoration: underline;
        }
        friend-link {
            display: block;
            background: #112a3e;
            padding: 16px 20px;
            border-radius: 8px;
            margin: 16px 0 20px;
            border: 1px solid #1c3a5a;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 0;
        }
        friend-link a i {
            margin-right: 6px;
            font-size: 0.8rem;
        }
        .copyright {
            border-top: 1px solid #1c3a5a;
            padding-top: 20px;
            font-size: 0.85rem;
            text-align: center;
            color: #7a9aae;
        }
        .copyright i {
            margin: 0 4px;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding-top: 16px;
                gap: 4px;
            }
            nav.show {
                display: flex;
            }
            nav a {
                padding: 10px 0;
                border-bottom: 1px solid rgba(255,255,255,0.1);
                width: 100%;
            }
            .article-body h1 {
                font-size: 1.8rem;
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 8px 16px;
            }
            .sidebar {
                position: static;
            }
        }
        @media (min-width: 769px) {
            nav {
                display: flex !important;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid #f0b429;
            outline-offset: 2px;
        }