*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f5f7fb;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e74c3c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.3;
            color: #0b0b1a;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
            border-bottom: 4px solid #c0392b;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #c0392b;
            padding-left: 0.9rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.15rem;
            color: #2c3e50;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1140px;
            margin: 0 auto;
            background: #ffffff;
            padding: 1.5rem 2rem 2rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            border-radius: 20px;
            margin-top: 1rem;
            margin-bottom: 2rem;
        }
        .text-center {
            text-align: center;
        }
        .text-muted {
            color: #5a5a7a;
            font-size: 0.92rem;
        }
        .updated-badge {
            display: inline-block;
            background: #c0392b10;
            color: #c0392b;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            border: 1px solid #c0392b20;
            margin-bottom: 1.5rem;
        }
        .divider {
            height: 2px;
            background: linear-gradient(90deg, #c0392b30, #f5f7fb);
            margin: 2.5rem 0;
        }
        .highlight {
            background: #fff3cd;
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .btn {
            display: inline-block;
            padding: 0.65rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all 0.25s;
            background: #c0392b;
            color: #fff;
        }
        .btn:hover {
            background: #a93226;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(192, 57, 43, 0.3);
            text-decoration: none;
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #c0392b;
            color: #c0392b;
        }
        .btn-outline:hover {
            background: #c0392b;
            color: #fff;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 0.8rem 0 1rem;
            border-bottom: 1px solid #e8ecf4;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #c0392b, #e74c3c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            -webkit-text-fill-color: transparent;
        }
        .my-logo a:hover {
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #5a5a7a;
            color: #5a5a7a;
            display: block;
            letter-spacing: 0.3px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-wrap: wrap;
        }
        nav a {
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            color: #1a1a2e;
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover {
            background: #c0392b10;
            color: #c0392b;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            background: none;
            border: none;
            color: #1a1a2e;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
        }
        .hamburger:hover {
            background: #f0f2f8;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.3rem;
            margin: 0;
            font-size: 0.85rem;
            color: #5a5a7a;
        }
        .breadcrumb li {
            margin-bottom: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.5rem;
            color: #b0b0c8;
        }
        .breadcrumb a {
            color: #5a5a7a;
        }
        .breadcrumb a:hover {
            color: #c0392b;
        }
        .img-wrapper {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            background: #f0f2f8;
            text-align: center;
            padding: 1rem;
        }
        .img-wrapper img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
            border-radius: 12px;
        }
        .img-wrapper figcaption {
            font-size: 0.85rem;
            color: #5a5a7a;
            margin-top: 0.7rem;
            font-style: italic;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            max-width: 520px;
            margin: 2rem 0 1.5rem;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1.2rem;
            border: 2px solid #dce0ec;
            border-radius: 40px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.25s;
            background: #fafbff;
        }
        .search-form input:focus {
            border-color: #c0392b;
        }
        .search-form button {
            padding: 0.7rem 1.6rem;
            border-radius: 40px;
            border: none;
            background: #c0392b;
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #a93226;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0;
        }
        .feedback-card {
            background: #f8f9fe;
            border-radius: 18px;
            padding: 1.8rem 1.8rem 2rem;
            border: 1px solid #e8ecf6;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
            margin-top: 1rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border: 2px solid #dce0ec;
            border-radius: 12px;
            font-size: 0.95rem;
            outline: none;
            background: #fff;
            transition: border 0.2s;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #c0392b;
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card .star-group {
            display: flex;
            gap: 0.2rem;
            font-size: 1.6rem;
            color: #f1c40f;
            cursor: pointer;
            direction: rtl;
        }
        .feedback-card .star-group i {
            transition: transform 0.15s, color 0.15s;
        }
        .feedback-card .star-group i:hover,
        .feedback-card .star-group i:hover~i {
            transform: scale(1.2);
            color: #f39c12;
        }
        .feedback-card .btn {
            align-self: flex-start;
        }
        friend-link {
            display: block;
            margin-top: 2.5rem;
            padding-top: 1.8rem;
            border-top: 2px solid #e8ecf4;
        }
        friend-link h3 {
            font-size: 1.2rem;
            margin-top: 0;
            margin-bottom: 0.8rem;
            color: #1a1a2e;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 1.2rem;
        }
        friend-link li {
            margin-bottom: 0.2rem;
        }
        friend-link a {
            color: #2c3e50;
            font-weight: 500;
            font-size: 0.9rem;
        }
        friend-link a:hover {
            color: #c0392b;
        }
        footer {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid #e8ecf4;
            font-size: 0.85rem;
            color: #5a5a7a;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.8rem;
        }
        footer .copyright {
            font-weight: 500;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.6rem;
            }
            .container {
                padding: 1rem 1.2rem 1.5rem;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: #fff;
                padding: 0.8rem 0 0.4rem;
                border-top: 1px solid #e8ecf4;
                margin-top: 0.6rem;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 0.6rem 1rem;
                border-radius: 12px;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input {
                min-width: unset;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            footer {
                flex-direction: column;
                text-align: center;
            }
            friend-link ul {
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0.8rem 0.8rem 1.2rem;
            }
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.2rem;
                padding-left: 0.6rem;
            }
            .feedback-card {
                padding: 1.2rem;
            }
            .btn {
                padding: 0.5rem 1.2rem;
                font-size: 0.85rem;
            }
        }
        .schema-hidden {
            display: none;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .gap-1 {
            gap: 1rem;
        }
        * {
            transition: background-color 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s;
        }