*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background: #faf8f5;
            color: #1e2a3a;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #c0392b;
            text-decoration: underline;
            transition: color 0.2s;
        }
        a:hover {
            color: #922b21;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(145deg, #1e2a3a, #2c3e50);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .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: #f1c40f;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            font-size: 2rem;
            color: #e67e22;
        }
        .my-logo:hover {
            color: #f39c12;
        }
        .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:active {
            transform: scale(0.92);
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 0.2rem 0.8rem;
            align-items: center;
        }
        .nav-menu a {
            color: #ecf0f1;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0.6rem;
            border-radius: 4px;
            transition: background 0.2s, color 0.2s;
        }
        .nav-menu a:hover {
            background: rgba(241, 196, 15, 0.2);
            color: #f1c40f;
        }
        .nav-menu .active {
            color: #f1c40f;
            border-bottom: 2px solid #f1c40f;
        }
        .breadcrumb {
            background: #f0ede8;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #7f8c8d;
        }
        .breadcrumb a {
            color: #2c3e50;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #c0392b;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #1e2a3a 0%, #2c3e50 100%);
            color: #fff;
            padding: 3rem 0 2.5rem;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 0.8rem;
            color: #f1c40f;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 1.2rem;
            opacity: 0.92;
        }
        .hero .last-updated {
            font-size: 0.95rem;
            opacity: 0.75;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .search-section {
            background: #fff;
            padding: 1.8rem 0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            max-width: 640px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .search-form input {
            flex: 1 1 280px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #ddd;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-form input:focus {
            border-color: #c0392b;
        }
        .search-form button {
            padding: 0.8rem 2rem;
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #922b21;
        }
        .search-form button:active {
            transform: scale(0.97);
        }
        .content-area {
            padding: 2.2rem 0 3rem;
        }
        .content-area h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 2.5rem 0 0.8rem;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #f1c40f;
            color: #1e2a3a;
        }
        .content-area h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 1.8rem 0 0.6rem;
            color: #2c3e50;
        }
        .content-area h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 1.2rem 0 0.4rem;
            color: #34495e;
        }
        .content-area p {
            margin-bottom: 1.1rem;
            font-size: 1.05rem;
            color: #2c3e50;
        }
        .content-area .feature-img {
            margin: 1.8rem 0;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .content-area blockquote {
            border-left: 4px solid #c0392b;
            padding: 0.8rem 1.2rem;
            margin: 1.2rem 0;
            background: #f9f5f0;
            font-style: italic;
            border-radius: 0 8px 8px 0;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            padding: 0.6rem 0;
            margin: 1rem 0;
            list-style: none;
        }
        .link-list-inline li a {
            font-weight: 500;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2rem 0;
        }
        .comment-box,
        .rating-box {
            background: #fff;
            border-radius: 12px;
            padding: 1.5rem 1.8rem;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #eee;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .comment-box textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            min-height: 100px;
            resize: vertical;
            outline: none;
            transition: border-color 0.3s;
            font-family: inherit;
        }
        .comment-box textarea:focus {
            border-color: #c0392b;
        }
        .comment-box input {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
            margin-top: 0.6rem;
        }
        .comment-box input:focus {
            border-color: #c0392b;
        }
        .comment-box button,
        .rating-box button {
            margin-top: 0.8rem;
            padding: 0.7rem 1.8rem;
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.1s;
        }
        .comment-box button:hover,
        .rating-box button:hover {
            background: #922b21;
        }
        .comment-box button:active,
        .rating-box button:active {
            transform: scale(0.97);
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 2rem;
            cursor: pointer;
            color: #ccc;
            transition: color 0.2s;
            margin: 0.4rem 0;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f1c40f;
        }
        .rating-stars i {
            transition: color 0.2s, transform 0.1s;
        }
        .rating-stars i:active {
            transform: scale(0.9);
        }
        .faq-item {
            background: #fff;
            border-radius: 10px;
            padding: 1rem 1.4rem;
            margin-bottom: 0.8rem;
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
            border: 1px solid #f0ede8;
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            padding: 0.3rem 0;
            color: #2c3e50;
        }
        .faq-item summary::-webkit-details-marker {
            color: #c0392b;
        }
        .faq-item p {
            margin-top: 0.6rem;
        }
        .site-footer {
            background: #1e2a3a;
            color: #ecf0f1;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.8rem;
            margin-bottom: 1.8rem;
        }
        .site-footer h4 {
            color: #f1c40f;
            margin-bottom: 0.8rem;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #bdc3c7;
            text-decoration: none;
        }
        .site-footer a:hover {
            color: #f1c40f;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 0.4rem;
        }
        friend-link {
            display: block;
            padding: 0.6rem 0;
        }
        friend-link a {
            color: #ecf0f1;
            margin-right: 1.2rem;
        }
        friend-link a:hover {
            color: #f1c40f;
        }
        .copyright {
            text-align: center;
            padding-top: 1.2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            opacity: 0.8;
        }
        @media (max-width: 820px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #2c3e50;
                padding: 0.8rem 0.6rem;
                border-radius: 0 0 12px 12px;
                margin-top: 0.6rem;
                gap: 0.3rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 0.5rem 0.8rem;
                border-radius: 6px;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .content-area h2 {
                font-size: 1.6rem;
            }
            .content-area h3 {
                font-size: 1.25rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .search-form input {
                flex: 1 1 100%;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.9rem;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .content-area p {
                font-size: 0.98rem;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.6rem;
            flex-wrap: wrap;
        }