*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            background: #0f1923;
            color: #e8e8e8;
            line-height: 1.7;
            padding: 0 16px;
            max-width: 1280px;
            margin: 0 auto;
            min-height: 100vh;
        }
        a {
            color: #ff4655;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #ff7a85;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #f0f0f0;
        }
        h1 {
            font-size: 2.4rem;
            margin: 1.2rem 0 0.8rem;
            border-left: 6px solid #ff4655;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2.2rem 0 1rem;
            border-bottom: 2px solid #2a3a4a;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
            margin: 1.6rem 0 0.7rem;
            color: #ffd6a0;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.2rem 0 0.5rem;
            color: #c0d0e0;
        }
        p {
            margin: 0 0 1.2rem;
        }
        .container {
            background: #1a2a3a;
            border-radius: 20px;
            padding: 24px 28px;
            margin: 20px 0;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
        }
        .badge {
            display: inline-block;
            background: #ff4655;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 30px;
            letter-spacing: 0.5px;
        }
        header {
            padding: 20px 0 10px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid #2a3a4a;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #ff4655;
            background: linear-gradient(135deg, #ff4655, #ff8a5c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo small {
            font-size: 0.9rem;
            font-weight: 400;
            -webkit-text-fill-color: #aab;
            color: #aab;
            background: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #ff4655;
            border-radius: 8px;
            padding: 6px 10px;
            cursor: pointer;
            color: #ff4655;
            font-size: 1.6rem;
            line-height: 1;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #ff465522;
        }
        #nav-toggle {
            display: none;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            align-items: center;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-menu li a {
            padding: 6px 12px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: background 0.2s, color 0.2s;
            color: #ccd;
        }
        .nav-menu li a:hover {
            background: #ff465522;
            color: #ff4655;
            text-decoration: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 10px;
            font-size: 0.85rem;
            color: #8899aa;
            padding: 12px 0 6px;
            list-style: none;
            width: 100%;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #556;
        }
        .breadcrumb a {
            color: #99b0c0;
        }
        .breadcrumb a:hover {
            color: #ff4655;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 18px 0 10px;
            max-width: 600px;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 2px solid #2a3a4a;
            border-radius: 40px;
            background: #0f1923;
            color: #eee;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: #ff4655;
        }
        .search-form button {
            padding: 12px 28px;
            border: none;
            border-radius: 40px;
            background: #ff4655;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #e03a48;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 24px 0;
        }
        .feedback-card {
            background: #1e2e3e;
            border-radius: 16px;
            padding: 20px 22px;
            border: 1px solid #2a3a4a;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            color: #ffd6a0;
        }
        .feedback-card label {
            display: block;
            margin: 10px 0 4px;
            font-weight: 500;
            font-size: 0.9rem;
            color: #bbc;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            width: 100%;
            padding: 10px 14px;
            border: 2px solid #2a3a4a;
            border-radius: 10px;
            background: #0f1923;
            color: #eee;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.3s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #ff4655;
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            margin-top: 12px;
            padding: 10px 24px;
            border: none;
            border-radius: 40px;
            background: #ff4655;
            color: #fff;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s;
        }
        .feedback-card .btn-submit:hover {
            background: #e03a48;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 4px;
            justify-content: flex-end;
            margin: 8px 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #445;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #ffb347;
        }
        friend-link {
            display: block;
            padding: 16px 0 8px;
            border-top: 1px solid #2a3a4a;
            margin-top: 20px;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 12px;
            background: #1e2e3e;
            border-radius: 30px;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: #2a3a4a;
            text-decoration: none;
        }
        footer {
            padding: 24px 0 36px;
            border-top: 1px solid #2a3a4a;
            margin-top: 30px;
            font-size: 0.9rem;
            color: #778;
            text-align: center;
        }
        footer .copyright {
            margin-top: 8px;
            letter-spacing: 0.3px;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 10px;
            }
            .container {
                padding: 16px 14px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .hamburger {
                display: inline-block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 12px 0 4px;
                gap: 4px;
            }
            .nav-menu li a {
                display: block;
                padding: 10px 16px;
                border-radius: 10px;
            }
            #nav-toggle:checked~.nav-menu {
                display: flex;
            }
            header {
                align-items: center;
            }
            .search-form {
                max-width: 100%;
            }
            .search-form input[type="text"] {
                min-width: 120px;
            }
            .star-rating label {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .search-form button {
                padding: 10px 18px;
                font-size: 0.9rem;
            }
            .feedback-card {
                padding: 14px;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .text-accent {
            color: #ff4655;
        }
        .text-muted {
            color: #8899aa;
        }
        .divider {
            border: none;
            height: 2px;
            background: linear-gradient(90deg, #ff465544, #2a3a4a, #ff465544);
            margin: 28px 0;
        }
        .update-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #1e2e3e;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #99b;
            border: 1px solid #2a3a4a;
        }
        .highlight-box {
            background: #1e2e3e;
            border-left: 4px solid #ff4655;
            padding: 14px 20px;
            border-radius: 0 12px 12px 0;
            margin: 16px 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 16px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 10px 14px;
            text-align: left;
            border-bottom: 1px solid #2a3a4a;
        }
        th {
            background: #1e2e3e;
            color: #ffd6a0;
            font-weight: 600;
        }
        tr:hover td {
            background: #1a2a3a;
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0f1923;
        }
        ::-webkit-scrollbar-thumb {
            background: #3a4a5a;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #ff4655;
        }