* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f5f7fc;
            color: #1e2a3a;
            line-height: 1.7;
            font-size: 16px;
            padding: 0 16px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.04);
            border-radius: 28px;
            padding: 20px 28px;
            margin-top: 20px;
            margin-bottom: 20px;
        }
        .header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0 16px 0;
            border-bottom: 2px solid #eef2f7;
            position: relative;
        }
        .my-logo {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f97316, #dc2626);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            -webkit-text-fill-color: #f97316;
            font-size: 32px;
        }
        .my-logo:hover {
            opacity: 0.85;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 28px;
            color: #1e2a3a;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f0f2f5;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .main-nav a {
            text-decoration: none;
            color: #1e2a3a;
            padding: 8px 16px;
            border-radius: 40px;
            font-weight: 500;
            font-size: 15px;
            transition: all 0.2s;
            background: transparent;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: #f97316;
            color: #fff;
        }
        .breadcrumb {
            width: 100%;
            padding: 12px 0 4px 0;
            font-size: 14px;
            color: #5b6f82;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: #f97316;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span.sep {
            margin: 0 4px;
            color: #9aaebb;
        }
        h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            margin: 28px 0 16px 0;
            color: #0f172a;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 28px;
            font-weight: 700;
            margin: 40px 0 16px 0;
            color: #0f172a;
            border-left: 6px solid #f97316;
            padding-left: 18px;
        }
        h3 {
            font-size: 22px;
            font-weight: 600;
            margin: 28px 0 12px 0;
            color: #1e293b;
        }
        h4 {
            font-size: 18px;
            font-weight: 600;
            margin: 20px 0 8px 0;
            color: #334155;
        }
        p {
            margin: 0 0 18px 0;
            color: #1e293b;
        }
        .last-update {
            display: inline-block;
            background: #eef2ff;
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 14px;
            color: #4f46e5;
            font-weight: 500;
            margin-bottom: 20px;
        }
        .feature-img {
            width: 100%;
            max-width: 820px;
            height: auto;
            border-radius: 20px;
            margin: 24px 0 28px 0;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
            display: block;
        }
        .highlight {
            background: #fff7ed;
            padding: 4px 10px;
            border-radius: 6px;
            font-weight: 600;
            color: #c2410c;
        }
        .btn-like {
            display: inline-block;
            background: #f97316;
            color: #fff;
            padding: 10px 28px;
            border-radius: 40px;
            font-weight: 600;
            text-decoration: none;
            transition: 0.2s;
            border: none;
            cursor: pointer;
            font-size: 16px;
        }
        .btn-like:hover {
            background: #ea580c;
            transform: scale(1.02);
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
            margin: 24px 0;
        }
        .card {
            background: #f8fafc;
            border-radius: 18px;
            padding: 22px 20px;
            transition: 0.2s;
            border: 1px solid #e9edf2;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.06);
            border-color: #f97316;
        }
        .card i {
            font-size: 32px;
            color: #f97316;
            margin-bottom: 10px;
        }
        .card h4 {
            margin-top: 0;
        }
        .tip-box {
            background: #f1f5f9;
            border-radius: 18px;
            padding: 24px 28px;
            margin: 24px 0;
            border-left: 6px solid #f97316;
        }
        .tip-box i {
            color: #f97316;
            margin-right: 10px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            border-radius: 14px;
            overflow: hidden;
            font-size: 15px;
        }
        th {
            background: #f97316;
            color: #fff;
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
        }
        td {
            padding: 12px 16px;
            border-bottom: 1px solid #e9edf2;
            background: #fafcff;
        }
        tr:hover td {
            background: #fff7ed;
        }
        .comment-section,
        .rating-section,
        .search-section {
            background: #f8fafc;
            border-radius: 24px;
            padding: 28px 30px;
            margin: 40px 0 20px 0;
            border: 1px solid #e9edf2;
        }
        .comment-section h3,
        .rating-section h3,
        .search-section h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            font-size: 15px;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border-radius: 12px;
            border: 1px solid #d1d9e6;
            font-size: 15px;
            transition: 0.2s;
            background: #fff;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #f97316;
            box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
        }
        .form-group textarea {
            min-height: 90px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 28px;
            cursor: pointer;
            color: #d1d9e6;
            transition: 0.1s;
        }
        .star-rating i.active {
            color: #f59e0b;
        }
        .star-rating i:hover,
        .star-rating i.hover {
            color: #f59e0b;
        }
        .btn-submit {
            background: #f97316;
            color: #fff;
            border: none;
            padding: 12px 30px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            transition: 0.2s;
        }
        .btn-submit:hover {
            background: #ea580c;
            transform: scale(1.02);
        }
        .footer {
            margin-top: 48px;
            padding: 28px 0 12px 0;
            border-top: 2px solid #eef2f7;
        }
        .footer friend-link {
            display: block;
            background: #f1f5f9;
            padding: 20px 24px;
            border-radius: 18px;
            margin-bottom: 24px;
            font-size: 15px;
        }
        .footer friend-link a {
            color: #f97316;
            text-decoration: none;
            display: inline-block;
            margin: 4px 12px 4px 0;
        }
        .footer friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            font-size: 14px;
            color: #64748b;
            padding: 12px 0 4px 0;
        }
        .copyright strong {
            color: #1e293b;
        }
        @media (max-width: 768px) {
            .container {
                padding: 16px 16px;
                border-radius: 20px;
                margin-top: 12px;
            }
            h1 {
                font-size: 26px;
            }
            h2 {
                font-size: 22px;
            }
            h3 {
                font-size: 18px;
            }
            .header {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav-wrap {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 12px;
            }
            .nav-wrap.open {
                display: flex;
            }
            .main-nav {
                flex-direction: column;
                gap: 2px;
            }
            .main-nav a {
                padding: 10px 16px;
                border-radius: 12px;
            }
            .breadcrumb {
                font-size: 13px;
            }
            .feature-img {
                border-radius: 14px;
                margin: 16px 0 20px 0;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .comment-section,
            .rating-section,
            .search-section {
                padding: 20px 18px;
            }
            .star-rating {
                font-size: 24px;
            }
            .footer friend-link a {
                display: block;
                margin: 6px 0;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 8px;
            }
            .container {
                padding: 12px 12px;
            }
            h1 {
                font-size: 22px;
            }
            .my-logo {
                font-size: 22px;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        a {
            color: #f97316;
        }
        a:hover {
            color: #ea580c;
        }
        ::selection {
            background: #f97316;
            color: #fff;
        }
        .inline-link {
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 2px;
        }