*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f8f9fc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #2b6cb0;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus-visible {
            color: #1a365d;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
            color: #fff;
            padding: 1rem 0;
            border-radius: 0 0 24px 24px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
            position: relative;
            z-index: 10;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(to right, #f7971e, #ffd200);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(255, 210, 0, 0.15);
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #ffd200;
            margin-right: 0.3rem;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 0.25rem 1.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-list a {
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.4rem 0.6rem;
            border-radius: 8px;
            transition: background 0.25s, color 0.25s;
        }
        .nav-list a:hover,
        .nav-list a:focus-visible {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            text-decoration: none;
        }
        .nav-list a i {
            margin-right: 0.35rem;
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .hamburger span {
            display: block;
            width: 28px;
            height: 3px;
            background: #fff;
            border-radius: 4px;
            transition: 0.3s;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 6px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -6px);
        }
        .breadcrumb {
            background: transparent;
            padding: 1rem 0 0.5rem;
            font-size: 0.9rem;
            color: #5a5a7a;
            display: flex;
            flex-wrap: wrap;
            gap: 0.35rem 0.5rem;
            align-items: center;
        }
        .breadcrumb a {
            color: #4a6fa5;
        }
        .breadcrumb a:hover {
            color: #1a365d;
        }
        .breadcrumb .sep {
            color: #a0aec0;
            margin: 0 0.15rem;
        }
        .content-area {
            background: #fff;
            border-radius: 24px;
            padding: 2rem 2.5rem;
            margin: 1.5rem 0;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
        }
        @media (max-width: 640px) {
            .content-area {
                padding: 1.25rem 1rem;
            }
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 0.75rem;
            background: linear-gradient(135deg, #1a1a2e, #2b6cb0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #e2e8f0;
            color: #1a1a2e;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            color: #2d3748;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
            color: #4a5568;
        }
        p {
            margin-bottom: 1.25rem;
            color: #2d3748;
        }
        .lead {
            font-size: 1.2rem;
            color: #4a5568;
            font-weight: 400;
            line-height: 1.8;
        }
        .highlight {
            background: linear-gradient(to right, #fefcbf, #fef3c7);
            padding: 0.15rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.4rem;
            line-height: 1;
        }
        hr {
            border: none;
            height: 1px;
            background: linear-gradient(to right, transparent, #e2e8f0, transparent);
            margin: 2.5rem 0;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
        }
        .featured-image figcaption {
            padding: 0.75rem 1rem;
            background: #f7fafc;
            font-size: 0.9rem;
            color: #4a5568;
            border-top: 1px solid #e2e8f0;
        }
        .search-box {
            background: #f7fafc;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 2.5rem 0 1.5rem;
            border: 1px solid #e2e8f0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            align-items: center;
        }
        .search-box label {
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #2d3748;
        }
        .search-box input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.75rem 1.2rem;
            border: 2px solid #e2e8f0;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
            transition: border-color 0.25s;
        }
        .search-box input[type="text"]:focus {
            border-color: #2b6cb0;
            outline: none;
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.15);
        }
        .search-box button {
            background: #2b6cb0;
            color: #fff;
            border: none;
            padding: 0.75rem 2rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-box button:hover,
        .search-box button:focus-visible {
            background: #1a365d;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2rem 0;
        }
        @media (max-width: 700px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #f7fafc;
            border-radius: 20px;
            padding: 1.5rem 2rem;
            border: 1px solid #e2e8f0;
            transition: box-shadow 0.3s;
        }
        .feedback-card:hover {
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card textarea {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            resize: vertical;
            min-height: 90px;
            transition: border-color 0.25s;
            background: #fff;
        }
        .feedback-card textarea:focus {
            border-color: #2b6cb0;
            outline: none;
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.1);
        }
        .feedback-card input[type="text"],
        .feedback-card input[type="number"] {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 0.95rem;
            transition: border-color 0.25s;
            background: #fff;
        }
        .feedback-card input:focus {
            border-color: #2b6cb0;
            outline: none;
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.1);
        }
        .feedback-card .btn-submit {
            background: #2b6cb0;
            color: #fff;
            border: none;
            padding: 0.65rem 1.8rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            margin-top: 0.5rem;
        }
        .feedback-card .btn-submit:hover {
            background: #1a365d;
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            gap: 0.25rem;
            font-size: 1.6rem;
            color: #f6ad55;
            cursor: pointer;
            margin: 0.5rem 0;
        }
        .rating-stars i {
            transition: transform 0.15s, color 0.15s;
        }
        .rating-stars i:hover {
            transform: scale(1.25);
            color: #ed8936;
        }
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 0.75rem 1.2rem;
            background: #f7fafc;
            padding: 1.5rem 2rem;
            border-radius: 16px;
            margin: 2rem 0;
            border: 1px solid #e2e8f0;
        }
        .link-grid a {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.3rem 0;
            font-weight: 500;
        }
        .link-grid a i {
            color: #2b6cb0;
            font-size: 0.8rem;
        }
        .site-footer {
            background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
            color: rgba(255, 255, 255, 0.85);
            border-radius: 24px 24px 0 0;
            padding: 2.5rem 2rem 1.8rem;
            margin-top: 2.5rem;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem 3rem;
        }
        @media (max-width: 600px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        .footer-inner h4 {
            color: #ffd200;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-inner a:hover {
            color: #fff;
        }
        friend-link {
            display: block;
            margin-top: 0.5rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            margin-bottom: 0.4rem;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            margin-top: 1rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .copyright strong {
            color: rgba(255, 255, 255, 0.7);
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(15, 12, 41, 0.98);
                padding: 1rem 0.5rem;
                border-radius: 16px;
                gap: 0.25rem;
                margin-top: 0.5rem;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                padding: 0.6rem 1rem;
                width: 100%;
                border-radius: 8px;
            }
            .nav-wrapper {
                flex-wrap: wrap;
                width: 100%;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .content-area {
                padding: 1.25rem 0.75rem;
            }
            .search-box {
                padding: 1.25rem 1rem;
                flex-direction: column;
                align-items: stretch;
            }
            .search-box button {
                justify-content: center;
            }
            .feedback-card {
                padding: 1.25rem 1rem;
            }
            .link-grid {
                padding: 1rem 1.2rem;
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .link-grid {
                grid-template-columns: 1fr;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        .text-muted {
            color: #718096;
            font-size: 0.9rem;
        }
        .last-updated {
            display: inline-block;
            background: #edf2f7;
            padding: 0.25rem 1rem;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #4a5568;
            margin-bottom: 1rem;
        }
        .last-updated i {
            margin-right: 0.3rem;
        }
        .tag {
            display: inline-block;
            background: #ebf4ff;
            color: #2b6cb0;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 40px;
            margin-right: 0.3rem;
            text-transform: uppercase;
            letter-spacing: 0.3px;
        }
        .blockquote {
            border-left: 4px solid #2b6cb0;
            background: #f7fafc;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #4a5568;
        }
        .blockquote cite {
            display: block;
            font-style: normal;
            font-weight: 600;
            margin-top: 0.5rem;
            color: #2d3748;
        }
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 1.5rem 0;
        }
        @media (max-width: 600px) {
            .two-col {
                grid-template-columns: 1fr;
            }
        }