* {
            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;
            background: #f8f9fc;
            color: #1a1a2e;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #d32f2f;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #b71c1c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
            font-weight: 700;
            color: #0b0b1a;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #d32f2f;
            padding-bottom: 0.3rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 6px solid #d32f2f;
            padding-left: 0.75rem;
            margin-top: 2.4rem;
        }
        h3 {
            font-size: 1.4rem;
            margin-top: 1.8rem;
        }
        h4 {
            font-size: 1.15rem;
            margin-top: 1.4rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 0;
            background: #d32f2f;
            color: #fff;
            padding: 0.5rem 1rem;
            z-index: 1000;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }
        header {
            background: linear-gradient(135deg, #0b0b1a 0%, #1a1a3e 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 900;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: linear-gradient(135deg, #d32f2f, #ff8a65);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(211, 47, 47, 0.25);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #d32f2f;
            font-size: 1.7rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .my-logo span {
            font-size: 0.85rem;
            font-weight: 400;
            display: block;
            -webkit-text-fill-color: initial;
            color: #aaa;
            letter-spacing: 0.2px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
        }
        nav a {
            color: #ddd;
            padding: 0.5rem 0.9rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
        }
        nav a:hover,
        nav a:focus {
            background: rgba(211, 47, 47, 0.2);
            color: #fff;
            text-decoration: none;
        }
        nav a.active {
            background: #d32f2f;
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumbs {
            background: #fff;
            padding: 0.6rem 0;
            border-bottom: 1px solid #e0e0e0;
            font-size: 0.85rem;
            color: #555;
        }
        .breadcrumbs a {
            color: #d32f2f;
        }
        .breadcrumbs span {
            margin: 0 0.3rem;
        }
        .hero {
            background: linear-gradient(145deg, #0b0b1a 0%, #1a1a3e 100%);
            color: #fff;
            padding: 3rem 0 2.5rem;
            text-align: center;
            border-bottom: 4px solid #d32f2f;
        }
        .hero h1 {
            font-size: 3rem;
            border: none;
            margin-top: 0;
            color: #fff;
            text-shadow: 0 4px 20px rgba(211, 47, 47, 0.3);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 720px;
            margin: 1rem auto 0;
            color: #ccc;
        }
        .last-updated {
            text-align: center;
            font-size: 0.9rem;
            color: #777;
            padding: 0.6rem 0 0.2rem;
            background: #fff;
            border-bottom: 1px solid #eee;
        }
        .last-updated i {
            margin-right: 0.4rem;
            color: #d32f2f;
        }
        .search-section {
            background: #fff;
            padding: 2rem 0;
            border-bottom: 1px solid #e8e8e8;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            border-radius: 60px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #ddd;
        }
        .search-form input[type="text"] {
            flex: 1;
            border: none;
            padding: 0.9rem 1.4rem;
            font-size: 1rem;
            outline: none;
            background: #fafafa;
        }
        .search-form button {
            background: #d32f2f;
            border: none;
            color: #fff;
            padding: 0 1.8rem;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.25s;
        }
        .search-form button:hover {
            background: #b71c1c;
        }
        .content-area {
            background: #fff;
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.4rem;
        }
        .content-main {
            min-width: 0;
        }
        .content-main img.featured {
            margin: 1.6rem 0 2rem;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        .content-main blockquote {
            background: #f5f0f0;
            border-left: 6px solid #d32f2f;
            padding: 1.2rem 1.6rem;
            margin: 1.6rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #333;
        }
        .content-main .highlight-box {
            background: linear-gradient(135deg, #fef3f3, #fff5f0);
            border: 1px solid #ffcdd2;
            padding: 1.4rem 1.8rem;
            border-radius: 16px;
            margin: 1.6rem 0;
        }
        .content-main .highlight-box strong {
            color: #d32f2f;
        }
        .content-main ul.check-list {
            list-style: none;
            padding-left: 0;
        }
        .content-main ul.check-list li {
            padding: 0.3rem 0 0.3rem 1.8rem;
            position: relative;
        }
        .content-main ul.check-list li::before {
            content: "✅";
            position: absolute;
            left: 0;
            top: 0.3rem;
        }
        .sidebar {
            background: #fafafa;
            border-radius: 20px;
            padding: 1.8rem 1.4rem;
            border: 1px solid #ececec;
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #d32f2f;
            padding-bottom: 0.4rem;
        }
        .sidebar ul {
            list-style: none;
            padding-left: 0;
        }
        .sidebar ul li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #eee;
        }
        .sidebar ul li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar ul li a i {
            color: #d32f2f;
            width: 1.2rem;
        }
        .feedback-section {
            background: #f8f9fc;
            padding: 2.5rem 0;
            border-top: 1px solid #e8e8e8;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .comment-form textarea,
        .comment-form input,
        .rating-form select,
        .rating-form input {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #ddd;
            border-radius: 12px;
            font-size: 0.95rem;
            margin-bottom: 0.8rem;
            background: #fff;
            transition: border 0.2s;
        }
        .comment-form textarea:focus,
        .comment-form input:focus,
        .rating-form select:focus,
        .rating-form input:focus {
            border-color: #d32f2f;
            outline: none;
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn-primary {
            background: #d32f2f;
            color: #fff;
            border: none;
            padding: 0.8rem 2.2rem;
            border-radius: 60px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .btn-primary:hover {
            background: #b71c1c;
            transform: scale(1.02);
        }
        .btn-primary i {
            margin-right: 0.4rem;
        }
        friend-link {
            display: block;
            padding: 2rem 0 1.2rem;
            border-top: 1px solid #e8e8e8;
            background: #fff;
        }
        friend-link .container {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem 2rem;
            justify-content: center;
        }
        friend-link a {
            color: #555;
            font-size: 0.95rem;
            padding: 0.2rem 0.6rem;
            border-radius: 20px;
            transition: background 0.2s, color 0.2s;
        }
        friend-link a:hover {
            background: #f5f0f0;
            color: #d32f2f;
            text-decoration: none;
        }
        footer {
            background: #0b0b1a;
            color: #aaa;
            padding: 1.6rem 0;
            text-align: center;
            font-size: 0.9rem;
        }
        footer strong {
            color: #fff;
        }
        footer a {
            color: #d32f2f;
        }
        footer a:hover {
            color: #ff8a65;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 2rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 1rem 0 0.4rem;
                gap: 0.2rem;
            }
            nav a {
                padding: 0.6rem 1rem;
                border-radius: 8px;
                font-size: 1rem;
            }
            #nav-toggle:checked~.hamburger+.nav-links {
                display: flex;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
            }
            #nav-toggle:checked~.nav-links {
                display: flex;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .hero {
                padding: 2rem 0 1.6rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: 20px;
            }
            .search-form button {
                padding: 0.8rem;
            }
            .breadcrumbs {
                font-size: 0.75rem;
                overflow-x: auto;
                white-space: nowrap;
            }
            friend-link .container {
                gap: 0.8rem 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.25rem;
            }
            .content-main .highlight-box {
                padding: 1rem;
            }
            .sidebar {
                padding: 1.2rem;
            }
        }
        .text-muted {
            color: #777;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .gap-1 {
            gap: 1rem;
        }
        .star-display {
            color: #ffb300;
            letter-spacing: 2px;
            font-size: 1.1rem;
        }