* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f4f7fc;
            color: #1a2634;
            line-height: 1.7;
            padding: 0 16px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
            border-radius: 28px;
            padding: 24px 28px;
            margin-top: 18px;
            margin-bottom: 30px;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0 18px 0;
            border-bottom: 2px solid #eef2f7;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #0b1e33;
            text-decoration: none;
            letter-spacing: -0.5px;
            background: linear-gradient(145deg, #1e3c72, #2a5298);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo small {
            font-size: 0.8rem;
            font-weight: 400;
            -webkit-text-fill-color: #5a6e85;
            display: block;
            font-style: italic;
            letter-spacing: 0.2px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 6px 18px;
            flex-wrap: wrap;
        }
        .nav-list li a {
            text-decoration: none;
            color: #1a2c42;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 10px;
            border-radius: 40px;
            transition: background 0.2s, color 0.2s;
        }
        .nav-list li a:hover {
            background: #e3edf7;
            color: #0f2b4a;
        }
        .nav-list li a i {
            margin-right: 6px;
            color: #2a5298;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.7rem;
            color: #1a2c42;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 12px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #e3edf7;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            padding: 14px 0 8px 0;
            font-size: 0.85rem;
            color: #4a5f77;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: #2a5298;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #7a8ea3;
        }
        .hero {
            background: linear-gradient(135deg, #0b1e33 0%, #1e3c72 100%);
            border-radius: 24px;
            padding: 40px 32px;
            margin: 18px 0 32px 0;
            color: #fff;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 30px;
        }
        .hero-text {
            flex: 2;
            min-width: 240px;
        }
        .hero-text h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .hero-text p {
            font-size: 1.1rem;
            opacity: 0.9;
            max-width: 600px;
            margin-bottom: 18px;
        }
        .hero-text .badge {
            display: inline-block;
            background: #ffb347;
            color: #0b1e33;
            padding: 4px 18px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 14px;
        }
        .hero-img {
            flex: 1;
            min-width: 180px;
            text-align: center;
        }
        .hero-img img {
            width: 100%;
            max-width: 340px;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
            display: block;
            margin: 0 auto;
        }
        .search-box {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 20px 0 28px 0;
            background: #f0f4fa;
            padding: 20px 24px;
            border-radius: 20px;
        }
        .search-box input {
            flex: 1;
            min-width: 180px;
            padding: 14px 18px;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .search-box input:focus {
            outline: 2px solid #2a5298;
            outline-offset: 2px;
        }
        .search-box button {
            padding: 14px 28px;
            border: none;
            border-radius: 40px;
            background: #1e3c72;
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            font-size: 1rem;
        }
        .search-box button:hover {
            background: #2a5298;
            transform: scale(1.02);
        }
        .search-box button i {
            margin-right: 8px;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #0b1e33;
            margin: 40px 0 16px 0;
            padding-bottom: 8px;
            border-bottom: 3px solid #e3edf7;
        }
        h2 i {
            color: #2a5298;
            margin-right: 12px;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1a2c42;
            margin: 28px 0 12px 0;
        }
        h3 i {
            color: #4a6a8a;
            margin-right: 10px;
            font-size: 1.3rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #1e3c5a;
            margin: 20px 0 8px 0;
        }
        p {
            margin-bottom: 16px;
            font-size: 1.05rem;
            color: #1f2e40;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        @media (min-width: 768px) {
            .content-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .card {
            background: #f8faff;
            border-radius: 20px;
            padding: 24px 22px;
            transition: box-shadow 0.25s, transform 0.2s;
            border: 1px solid #e8edf4;
        }
        .card:hover {
            box-shadow: 0 8px 30px rgba(26, 44, 66, 0.08);
            transform: translateY(-3px);
        }
        .card h4 {
            margin-top: 0;
        }
        .card p {
            font-size: 0.98rem;
        }
        .insight-box {
            background: #eef5ff;
            border-left: 6px solid #2a5298;
            padding: 18px 22px;
            border-radius: 14px;
            margin: 24px 0;
        }
        .insight-box i {
            color: #2a5298;
            margin-right: 10px;
        }
        .highlight {
            background: #fff3db;
            padding: 2px 8px;
            border-radius: 8px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.8rem;
            margin-right: 6px;
        }
        .link-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
            margin: 16px 0;
        }
        .link-list li a {
            text-decoration: none;
            color: #1e3c72;
            font-weight: 500;
            padding: 4px 2px;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s;
        }
        .link-list li a:hover {
            border-bottom-color: #2a5298;
        }
        .link-list li a i {
            margin-right: 6px;
            color: #4a6a8a;
        }
        .interact-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin: 32px 0;
            background: #f0f4fa;
            padding: 28px 24px;
            border-radius: 24px;
        }
        .interact-card {
            flex: 1;
            min-width: 200px;
            background: #fff;
            padding: 20px 22px;
            border-radius: 18px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
        }
        .interact-card h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .interact-card input,
        .interact-card textarea,
        .interact-card select {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid #dce3ec;
            border-radius: 12px;
            font-size: 0.95rem;
            margin-bottom: 12px;
            background: #fafcff;
            transition: border 0.2s;
        }
        .interact-card input:focus,
        .interact-card textarea:focus,
        .interact-card select:focus {
            border-color: #2a5298;
            outline: none;
        }
        .interact-card textarea {
            resize: vertical;
            min-height: 80px;
        }
        .interact-card .btn {
            background: #1e3c72;
            color: #fff;
            border: none;
            padding: 12px 24px;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            font-size: 0.95rem;
        }
        .interact-card .btn:hover {
            background: #2a5298;
            transform: scale(1.02);
        }
        .interact-card .btn i {
            margin-right: 8px;
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.8rem;
            color: #dce3ec;
            cursor: pointer;
            margin-bottom: 12px;
        }
        .star-rating i {
            transition: color 0.15s, transform 0.1s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #f5b342;
            transform: scale(1.1);
        }
        .featured-img {
            margin: 30px 0;
            text-align: center;
        }
        .featured-img img {
            max-width: 100%;
            border-radius: 20px;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
        }
        .featured-img figcaption {
            font-size: 0.9rem;
            color: #5a6e85;
            margin-top: 10px;
            font-style: italic;
        }
        footer {
            margin-top: 50px;
            padding: 30px 0 18px 0;
            border-top: 2px solid #eef2f7;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 18px 30px;
            margin-bottom: 18px;
        }
        .footer-links a {
            color: #1e3c72;
            text-decoration: none;
            font-weight: 500;
        }
        .footer-links a:hover {
            text-decoration: underline;
        }
        friend-link {
            display: block;
            padding: 16px 20px;
            background: #f0f4fa;
            border-radius: 16px;
            margin: 18px 0;
            font-size: 0.95rem;
        }
        friend-link a {
            color: #1e3c72;
            text-decoration: none;
            font-weight: 500;
            margin: 0 12px 0 4px;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            font-size: 0.85rem;
            color: #4a5f77;
            text-align: center;
            padding-top: 14px;
            border-top: 1px solid #e3edf7;
            margin-top: 14px;
        }
        .last-updated {
            display: inline-block;
            background: #e3edf7;
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.8rem;
            color: #1a2c42;
            margin-bottom: 12px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 16px;
                border-radius: 18px;
            }
            .hero {
                padding: 28px 18px;
                flex-direction: column;
            }
            .hero-text h1 {
                font-size: 1.9rem;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #ffffff;
                padding: 18px 0;
                border-radius: 18px;
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                z-index: 100;
                border: 1px solid #e8edf4;
            }
            .nav-list li {
                text-align: center;
                padding: 6px 0;
            }
            .hamburger {
                display: block;
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
            }
            .nav-wrapper {
                gap: 6px;
            }
            .search-box {
                padding: 16px;
            }
            .search-box button {
                width: 100%;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .interact-grid {
                flex-direction: column;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .hero-text h1 {
                font-size: 1.5rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .card {
                padding: 18px 16px;
            }
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-10 {
            margin-bottom: 10px;
        }
        .flex-between {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        .text-muted {
            color: #5a6e85;
        }
        .fw-700 {
            font-weight: 700;
        }
        .gap-8 {
            gap: 8px;
        }
        a {
            color: #1e3c72;
        }
        a:hover {
            color: #0b1e33;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        html {
            scroll-behavior: smooth;
        }
        .e-author {
            display: flex;
            align-items: center;
            gap: 12px;
            background: #f8faff;
            padding: 12px 18px;
            border-radius: 16px;
            margin: 20px 0;
            font-size: 0.95rem;
        }
        .e-author i {
            font-size: 2rem;
            color: #2a5298;
        }
