*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f4f7fb;
            color: #1e293b;
            line-height: 1.75;
            padding: 0 1rem;
        }
        a {
            color: #0f3b5e;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e67e22;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0b2a41;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.5rem;
            border-bottom: 4px solid #e67e22;
            display: inline-block;
            padding-bottom: 0.25rem;
        }
        h2 {
            font-size: 1.7rem;
            border-left: 5px solid #e67e22;
            padding-left: 1rem;
            margin-top: 2.8rem;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 2rem;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.5rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.1rem;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.2rem 2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        strong {
            color: #0b2a41;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 0.5rem;
        }
        header {
            background: linear-gradient(135deg, #0b2a41 0%, #1a4a6e 100%);
            color: #fff;
            padding: 0.8rem 1.2rem;
            border-radius: 0 0 20px 20px;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            max-width: 1200px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #f7d44a;
            letter-spacing: 1px;
            text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.2);
        }
        .my-logo:hover {
            color: #ffec99;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.75rem;
            font-weight: 400;
            color: #bcd4e6;
            display: block;
            letter-spacing: 2px;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
        }
        nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        nav a {
            color: #e0edf7;
            padding: 0.5rem 1rem;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.92rem;
            transition: background 0.25s, color 0.25s;
        }
        nav a:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #f7d44a;
            text-decoration: none;
        }
        .breadcrumb {
            padding: 0.8rem 0 0.2rem 0;
            font-size: 0.85rem;
            color: #94a3b8;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #64748b;
        }
        .breadcrumb a:hover {
            color: #e67e22;
        }
        .breadcrumb span {
            color: #1e293b;
        }
        .hero {
            background: linear-gradient(145deg, #f8f0e1, #fff6e8);
            border-radius: 24px;
            padding: 2rem 2.5rem;
            margin: 1.8rem 0 2.5rem 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
            border: 1px solid rgba(230, 126, 34, 0.15);
        }
        .hero h1 {
            border-bottom: none;
            display: block;
            margin-top: 0;
        }
        .hero .subhead {
            font-size: 1.1rem;
            color: #4a5a6a;
            margin-top: 0.5rem;
            max-width: 720px;
        }
        .hero .stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-top: 1.5rem;
            font-size: 0.95rem;
            color: #2c3e50;
        }
        .hero .stats i {
            color: #e67e22;
            margin-right: 0.4rem;
        }
        .search-section {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #e9edf2;
        }
        .search-section form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            align-items: center;
        }
        .search-section input[type="text"] {
            flex: 1 1 260px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #dce3ec;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-section input[type="text"]:focus {
            border-color: #e67e22;
        }
        .search-section button {
            background: #0b2a41;
            color: #fff;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-section button:hover {
            background: #e67e22;
            transform: scale(1.02);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #e9edf2;
        }
        .sidebar-card h3 {
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 2px solid #f0d5b0;
            padding-bottom: 0.5rem;
        }
        .sidebar-card ul {
            list-style: none;
            margin: 0.8rem 0 0 0;
            padding: 0;
        }
        .sidebar-card li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0f2f5;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-card a i {
            color: #e67e22;
            font-size: 0.8rem;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
            background: #dce3ec;
        }
        .featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 0.8rem 1.2rem;
            background: #f8fafc;
            font-size: 0.9rem;
            color: #4a5a6a;
            border-top: 1px solid #e9edf2;
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .feedback-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #e9edf2;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border: 2px solid #dce3ec;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border 0.3s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #e67e22;
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card button {
            background: #0b2a41;
            color: #fff;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            background: #e67e22;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #dce3ec;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f7b731;
        }
        friend-link {
            display: block;
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 2rem 0 1rem 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #e9edf2;
        }
        friend-link h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            border-bottom: 2px solid #f0d5b0;
            padding-bottom: 0.5rem;
        }
        friend-link .links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 2rem;
            padding-top: 0.8rem;
        }
        friend-link .links a {
            font-weight: 500;
            color: #0f3b5e;
        }
        friend-link .links a:hover {
            color: #e67e22;
        }
        footer {
            background: #0b2a41;
            color: #cbd5e1;
            padding: 2rem 1.5rem;
            border-radius: 20px 20px 0 0;
            margin: 2rem -1rem 0 -1rem;
            text-align: center;
        }
        footer .copyright {
            font-size: 0.9rem;
            opacity: 0.85;
            max-width: 1200px;
            margin: 0 auto;
        }
        footer .copyright i {
            margin: 0 0.3rem;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #64748b;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin: 1rem 0 0.2rem 0;
        }
        .last-updated i {
            color: #e67e22;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .feedback-section {
                grid-template-columns: 1fr;
            }
            .hero {
                padding: 1.5rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 700px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 1rem 0 0.5rem 0;
                gap: 0.2rem;
            }
            nav.active {
                display: flex;
            }
            nav a {
                padding: 0.6rem 1rem;
                border-radius: 8px;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .hero .stats {
                flex-direction: column;
                gap: 0.6rem;
            }
            .feedback-card {
                padding: 1.2rem;
            }
            .search-section {
                padding: 1rem 1.2rem;
            }
            .search-section form {
                flex-direction: column;
            }
            .search-section input[type="text"] {
                width: 100%;
            }
            .search-section button {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.5rem;
            }
            .container {
                padding: 0;
            }
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.2rem;
                padding-left: 0.6rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .hero {
                padding: 1rem 1.2rem;
            }
            .sidebar-card {
                padding: 1rem;
            }
            friend-link {
                padding: 1rem;
            }
            footer {
                padding: 1.5rem 1rem;
                margin-left: -0.5rem;
                margin-right: -0.5rem;
            }
        }
        .anchor-offset {
            scroll-margin-top: 90px;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .text-accent {
            color: #e67e22;
        }
        .bg-soft {
            background: #fdf8f2;
            padding: 1.2rem 1.8rem;
            border-radius: 14px;
            border-left: 4px solid #e67e22;
        }
        .emoji-big {
            font-size: 1.6rem;
            vertical-align: middle;
        }