*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            line-height: 1.7;
            background: #f4f7fc;
            color: #1e2a3a;
            padding: 0 16px;
        }
        a {
            text-decoration: none;
            color: #1a6bb0;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #c0392b;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.05);
            border-radius: 20px;
            padding: 24px 32px 32px;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 20px;
            border-bottom: 2px solid #e9edf2;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: #1a2a3a;
            letter-spacing: -0.5px;
        }
        .my-logo a {
            color: #1a2a3a;
        }
        .my-logo a:hover {
            color: #c0392b;
        }
        .my-logo i {
            color: #e67e22;
            margin-right: 6px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        nav a {
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 30px;
            background: transparent;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
            color: #1e2a3a;
        }
        nav a:hover {
            background: #e67e22;
            color: #fff;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            background: none;
            border: none;
            color: #1e2a3a;
            padding: 4px 8px;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            padding: 14px 0 10px;
            font-size: 0.9rem;
            color: #5a6a7a;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 8px;
            color: #99aabb;
        }
        .breadcrumb a {
            color: #1a6bb0;
        }
        .breadcrumb a:hover {
            color: #c0392b;
        }
        .breadcrumb .active {
            color: #4a5a6a;
            font-weight: 500;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 24px 0 16px;
            color: #0f1a2a;
        }
        h1 i {
            color: #e67e22;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #e67e22;
            display: inline-block;
            color: #0f1a2a;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 32px 0 14px;
            color: #1a2a3a;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 24px 0 10px;
            color: #2a3a4a;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #2a3a4a;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #3a4a5a;
            background: #f0f4fa;
            padding: 18px 24px;
            border-radius: 14px;
            border-left: 5px solid #e67e22;
        }
        .highlight {
            font-weight: 600;
            color: #c0392b;
        }
        .emoji-big {
            font-size: 1.8rem;
            margin-right: 6px;
        }
        .featured-image {
            margin: 28px 0 32px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
        }
        .featured-image img {
            width: 100%;
            max-height: 460px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 10px 16px;
            font-size: 0.9rem;
            color: #5a6a7a;
            background: #f8fafc;
            border-radius: 0 0 12px 12px;
            font-style: italic;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 28px 0;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin: 28px 0;
        }
        .card {
            background: #f8fafc;
            border-radius: 16px;
            padding: 22px 20px;
            transition: transform 0.2s, box-shadow 0.2s;
            border: 1px solid #e9edf2;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
        }
        .card i {
            font-size: 2rem;
            color: #e67e22;
            margin-bottom: 10px;
        }
        .card h4 {
            margin-top: 0;
        }
        .search-section {
            background: #f0f4fa;
            padding: 28px 24px;
            border-radius: 18px;
            margin: 36px 0 28px;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .search-form input[type="text"] {
            flex: 1 1 240px;
            padding: 14px 18px;
            border: 2px solid #d0d8e0;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input[type="text"]:focus {
            border-color: #e67e22;
        }
        .search-form button {
            padding: 14px 32px;
            background: #e67e22;
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-form button:hover {
            background: #c0392b;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 36px 0 28px;
        }
        .feedback-card {
            background: #f8fafc;
            border-radius: 18px;
            padding: 24px 22px;
            border: 1px solid #e9edf2;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.4rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 12px;
        }
        .feedback-card textarea,
        .feedback-card input[type="text"],
        .feedback-card input[type="number"] {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #d0d8e0;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            outline: none;
            transition: border 0.2s;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus {
            border-color: #e67e22;
        }
        .feedback-card button {
            padding: 12px 24px;
            background: #1a6bb0;
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            background: #0f4a7a;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #d0d8e0;
            cursor: pointer;
        }
        .star-rating i.active {
            color: #f1c40f;
        }
        .star-rating i:hover {
            color: #f1c40f;
        }
        .links-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin: 24px 0 20px;
            padding: 0;
            list-style: none;
        }
        .links-list li a {
            display: block;
            padding: 12px 18px;
            background: #f0f4fa;
            border-radius: 12px;
            border-left: 4px solid #e67e22;
            font-weight: 500;
            transition: background 0.2s, transform 0.1s;
        }
        .links-list li a:hover {
            background: #e6edf5;
            transform: translateX(4px);
        }
        .links-list li a i {
            margin-right: 10px;
            color: #e67e22;
        }
        footer {
            margin-top: 48px;
            padding: 28px 0 16px;
            border-top: 2px solid #e9edf2;
            font-size: 0.95rem;
            color: #5a6a7a;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-bottom: 24px;
        }
        friend-link {
            display: block;
            background: #f8fafc;
            padding: 20px 22px;
            border-radius: 16px;
            border: 1px solid #e9edf2;
        }
        friend-link h4 {
            margin-top: 0;
            font-size: 1.1rem;
            color: #1a2a3a;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            margin: 10px 0 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        friend-link ul li a {
            display: inline-block;
            padding: 6px 14px;
            background: #ffffff;
            border-radius: 30px;
            border: 1px solid #d0d8e0;
            font-size: 0.9rem;
            transition: background 0.2s, border-color 0.2s;
        }
        friend-link ul li a:hover {
            background: #e67e22;
            color: #fff;
            border-color: #e67e22;
        }
        .copyright {
            text-align: center;
            padding-top: 18px;
            border-top: 1px solid #e9edf2;
            font-size: 0.9rem;
            color: #7a8a9a;
        }
        .copyright strong {
            color: #1a2a3a;
        }
        @media (max-width: 900px) {
            .container {
                padding: 16px 18px 24px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .grid-2,
            .grid-3,
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .links-list {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 700px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #ffffff;
                padding: 16px 0 12px;
                border-top: 1px solid #e9edf2;
                margin-top: 12px;
            }
            #nav-toggle:checked~nav {
                display: flex;
            }
            nav a {
                padding: 10px 18px;
                width: 100%;
                text-align: center;
            }
            header {
                flex-wrap: wrap;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input[type="text"] {
                width: 100%;
            }
            .search-form button {
                width: 100%;
            }
            h1 {
                font-size: 1.7rem;
            }
            .lead {
                font-size: 1rem;
                padding: 14px 16px;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 8px;
            }
            .container {
                padding: 12px 12px 20px;
                border-radius: 12px;
            }
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .card {
                padding: 16px 14px;
            }
            .feedback-card {
                padding: 18px 14px;
            }
            .my-logo {
                font-size: 1.2rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-2 {
            margin-top: 20px;
        }
        .mb-2 {
            margin-bottom: 20px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .tag {
            display: inline-block;
            background: #e67e22;
            color: #fff;
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }