*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 1rem;
            max-width: 1280px;
            margin: 0 auto;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #0f3b5e;
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover {
            color: #d97706;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.25;
            color: #0c1f2f;
            letter-spacing: -0.01em;
        }
        h1 {
            font-size: 2.4rem;
            margin: 1.2rem 0 0.8rem;
            border-left: 6px solid #d97706;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2.4rem 0 1rem;
            border-bottom: 3px solid #e2e8f0;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
            margin: 1.8rem 0 0.6rem;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.2rem 0 0.4rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.1rem;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.2rem 1.6rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        strong {
            color: #0f3b5e;
        }
        .container {
            background: #ffffff;
            border-radius: 24px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
            padding: 1.6rem 2rem 2rem;
            margin: 1.2rem 0 2.4rem;
        }
        .badge {
            background: #d97706;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2rem 0.8rem;
            border-radius: 40px;
            display: inline-block;
            letter-spacing: 0.3px;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.6rem;
            border-bottom: 2px solid #e2e8f0;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #0f3b5e, #d97706);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #d97706;
            font-size: 2rem;
        }
        .my-logo:hover {
            opacity: 0.85;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 1.6rem;
            flex-wrap: wrap;
        }
        nav a {
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        nav a:hover {
            border-bottom-color: #d97706;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            cursor: pointer;
            color: #0f3b5e;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
        }
        .hamburger:hover {
            background: #f1f5f9;
        }
        #nav-toggle {
            display: none;
        }
        .nav-links {
            display: flex;
            gap: 1.6rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            font-size: 0.85rem;
            color: #64748b;
            padding: 0.6rem 0 0.2rem;
            list-style: none;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #94a3b8;
        }
        .breadcrumb a {
            color: #0f3b5e;
        }
        .search-box {
            display: flex;
            gap: 0.4rem;
            max-width: 480px;
            margin: 1.4rem 0 1rem;
        }
        .search-box input {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 60px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.2s;
        }
        .search-box input:focus {
            border-color: #d97706;
            box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
        }
        .search-box button {
            background: #0f3b5e;
            color: #fff;
            border: none;
            border-radius: 60px;
            padding: 0.7rem 1.4rem;
            font-weight: 700;
            cursor: pointer;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .search-box button:hover {
            background: #d97706;
        }
        .rating-area,
        .comment-area {
            background: #f1f5f9;
            border-radius: 16px;
            padding: 1.6rem 1.8rem;
            margin: 2rem 0 1.2rem;
        }
        .rating-area h3,
        .comment-area h3 {
            margin-top: 0;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 2rem;
            color: #cbd5e1;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: 0.15s;
            color: #cbd5e1;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #d97706;
        }
        .comment-area textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 80px;
            font-family: inherit;
            transition: 0.2s;
        }
        .comment-area textarea:focus {
            border-color: #d97706;
            outline: none;
        }
        .comment-area button,
        .rating-area button {
            background: #0f3b5e;
            color: #fff;
            border: none;
            padding: 0.6rem 1.8rem;
            border-radius: 60px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: 0.2s;
            margin-top: 0.6rem;
        }
        .comment-area button:hover,
        .rating-area button:hover {
            background: #d97706;
        }
        friend-link {
            display: block;
            background: #f1f5f9;
            border-radius: 16px;
            padding: 1.4rem 1.8rem;
            margin: 2rem 0 1.2rem;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.8rem 0.2rem 0;
            font-weight: 600;
        }
        friend-link a::after {
            content: " ·";
            color: #94a3b8;
            margin-left: 0.6rem;
        }
        friend-link a:last-child::after {
            content: "";
        }
        footer {
            border-top: 2px solid #e2e8f0;
            padding: 1.6rem 0 2.2rem;
            text-align: center;
            font-size: 0.9rem;
            color: #475569;
            margin-top: 2rem;
        }
        footer .copyright {
            margin-top: 0.6rem;
            font-size: 0.85rem;
            color: #64748b;
        }
        @media (max-width: 820px) {
            body {
                padding: 0 0.6rem;
            }
            .container {
                padding: 1rem 1rem 1.6rem;
            }
            h1 {
                font-size: 1.8rem;
                padding-left: 0.6rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.6rem;
                padding: 0.8rem 0 0.4rem;
                border-top: 1px solid #e2e8f0;
                margin-top: 0.6rem;
            }
            #nav-toggle:checked~.nav-links {
                display: flex;
            }
            nav {
                gap: 0.8rem;
            }
            .search-box {
                flex-direction: column;
            }
            .search-box button {
                width: 100%;
            }
            .star-rating {
                font-size: 1.6rem;
            }
            .rating-area,
            .comment-area {
                padding: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.2rem;
            }
            .container {
                padding: 0.8rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            align-items: center;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .text-accent {
            color: #d97706;
        }
        .text-muted {
            color: #64748b;
            font-size: 0.9rem;
        }
        .updated {
            display: inline-block;
            background: #e2e8f0;
            padding: 0.2rem 1rem;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .feature-img {
            margin: 1.6rem 0;
            border-radius: 16px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            background: #f8fafc;
            border-radius: 12px;
        }
        th,
        td {
            padding: 0.6rem 0.8rem;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        th {
            background: #0f3b5e;
            color: #fff;
            font-weight: 700;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f1f5f9;
        }
        .anchor-offset {
            scroll-margin-top: 1.2rem;
        }