*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f4f7fb;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 1rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        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 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            color: #0b2a3e;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.6em;
            border-bottom: 4px solid #e67e22;
            padding-bottom: 0.2em;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 6px solid #e67e22;
            padding-left: 0.7rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #1a4a6e;
        }
        h4 {
            font-size: 1.1rem;
            color: #2c5f8a;
        }
        p {
            margin-bottom: 1.2em;
        }
        ul,
        ol {
            margin: 0.8em 0 1.2em 1.8em;
        }
        li {
            margin-bottom: 0.4em;
        }
        strong {
            color: #0b2a3e;
        }
        .container {
            background: #ffffff;
            border-radius: 20px;
            padding: 1.8rem 2rem;
            margin: 1.5rem 0 2.5rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
        }
        .my-logo {
            display: inline-block;
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #0b2a3e;
            background: linear-gradient(135deg, #e67e22, #f39c12);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .site-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0;
            flex-wrap: wrap;
            border-bottom: 2px solid #e2e8f0;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 1.6rem;
            margin: 0;
            padding: 0;
        }
        .nav-list a {
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            color: #1e293b;
            border-bottom: 2px solid transparent;
        }
        .nav-list a:hover {
            border-bottom-color: #e67e22;
            color: #e67e22;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #0b2a3e;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.3rem;
            margin: 0.5rem 0 0.2rem;
            font-size: 0.9rem;
            color: #64748b;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.6rem;
            color: #94a3b8;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #0f3b5e;
        }
        .breadcrumb a:hover {
            color: #e67e22;
        }
        .search-form {
            display: flex;
            gap: 0.4rem;
            max-width: 480px;
            margin: 1.2rem 0 1.8rem;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 160px;
            padding: 0.7rem 1rem;
            border: 2px solid #cbd5e1;
            border-radius: 50px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.25s;
        }
        .search-form input[type="text"]:focus {
            border-color: #e67e22;
        }
        .search-form button {
            background: #0b2a3e;
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #e67e22;
        }
        .rating-box {
            background: #f8fafc;
            border-radius: 16px;
            padding: 1.2rem 1.6rem;
            margin: 1.8rem 0;
            border: 1px solid #e2e8f0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem 2rem;
        }
        .rating-stars {
            display: flex;
            gap: 0.2rem;
            font-size: 1.8rem;
            color: #f1c40f;
            cursor: pointer;
        }
        .rating-stars i {
            transition: transform 0.15s, color 0.15s;
        }
        .rating-stars i:hover {
            transform: scale(1.25);
            color: #f39c12;
        }
        .rating-stats {
            font-weight: 600;
            color: #334155;
        }
        .comments-section {
            margin-top: 2.5rem;
            padding-top: 1.8rem;
            border-top: 2px dashed #cbd5e1;
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            max-width: 640px;
            margin-bottom: 1.8rem;
        }
        .comment-form input,
        .comment-form textarea {
            padding: 0.7rem 1rem;
            border: 2px solid #cbd5e1;
            border-radius: 12px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.25s;
            font-family: inherit;
        }
        .comment-form input:focus,
        .comment-form textarea:focus {
            border-color: #e67e22;
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-form button {
            align-self: flex-start;
            background: #0b2a3e;
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 0.7rem 2rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
        }
        .comment-form button:hover {
            background: #e67e22;
        }
        .comment-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .comment-item {
            background: #f1f5f9;
            border-radius: 14px;
            padding: 1rem 1.4rem;
            border-left: 4px solid #e67e22;
        }
        .comment-item .author {
            font-weight: 700;
            color: #0b2a3e;
        }
        .comment-item .time {
            font-size: 0.8rem;
            color: #64748b;
            margin-left: 0.8rem;
        }
        .comment-item .text {
            margin-top: 0.3rem;
        }
        friend-link {
            display: block;
            padding: 1.2rem 0 0.8rem;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 1.2rem 0.2rem 0;
            color: #0f3b5e;
            font-weight: 500;
        }
        friend-link a:hover {
            color: #e67e22;
        }
        .site-footer {
            border-top: 2px solid #e2e8f0;
            padding: 1.8rem 0 1.2rem;
            text-align: center;
            color: #475569;
            font-size: 0.9rem;
            margin-top: 2.2rem;
        }
        .site-footer small {
            display: block;
            margin-top: 0.5rem;
            color: #94a3b8;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.6rem;
            }
            .container {
                padding: 1rem 1rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .site-header {
                flex-direction: row;
                flex-wrap: nowrap;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                background: #ffffff;
                position: absolute;
                top: 100%;
                right: 0;
                left: 0;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
                border-radius: 0 0 16px 16px;
                padding: 1rem 1.5rem 1.5rem;
                gap: 0.8rem;
                z-index: 100;
            }
            .nav-list.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .nav-wrapper {
                position: relative;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .rating-box {
                flex-direction: column;
                align-items: flex-start;
            }
            .search-form button {
                padding: 0.7rem 1.2rem;
            }
        }
        @media (min-width: 769px) {
            .nav-list {
                display: flex !important;
            }
            .hamburger {
                display: none !important;
            }
        }
        .last-updated {
            font-size: 0.85rem;
            color: #64748b;
            margin: 0.2rem 0 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .feature-img {
            margin: 1.6rem 0;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .highlight-box {
            background: #fef9ee;
            border-left: 6px solid #e67e22;
            padding: 1.2rem 1.6rem;
            border-radius: 0 12px 12px 0;
            margin: 1.6rem 0;
        }
        .btn-like {
            display: inline-block;
            background: #e67e22;
            color: #fff;
            padding: 0.3rem 1.2rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            border: none;
            cursor: pointer;
            transition: background 0.2s;
        }
        .btn-like:hover {
            background: #cf6d17;
        }
        .inline-link-icon {
            margin: 0 0.2rem;
        }