        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #0f0e17;
            color: #fffffe;
            line-height: 1.7;
            padding: 0 1rem 2rem;
            max-width: 1280px;
            margin: 0 auto;
        }
        a {
            color: #ff8906;
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease;
        }
        a:hover,
        a:focus-visible {
            color: #f25f4c;
            border-bottom: 2px solid #f25f4c;
        }
        a:focus-visible {
            outline: 2px dashed #ff8906;
            outline-offset: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.3rem;
        }
        hr {
            border: none;
            border-top: 2px solid #2a2a3a;
            margin: 2.5rem 0;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fffffe;
            margin: 2rem 0 0.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.0rem;
            font-weight: 700;
            color: #ff8906;
            margin: 2.5rem 0 1rem;
            border-left: 6px solid #ff8906;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #f5f5f5;
            margin: 2rem 0 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #e0e0e0;
            margin: 1.5rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            color: #d3d3df;
        }
        .text-muted {
            color: #a0a0b0;
            font-size: 0.95rem;
        }
        .text-highlight {
            color: #ff8906;
            font-weight: 600;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0;
            border-bottom: 1px solid #2a2a3a;
            position: relative;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #ff8906, #f25f4c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
            text-transform: uppercase;
            border: none;
        }
        .my-logo:hover {
            border: none;
            -webkit-text-fill-color: #ff8906;
            background: none;
            color: #ff8906;
        }
        .my-logo i {
            -webkit-text-fill-color: #ff8906;
            margin-right: 0.3rem;
        }
        nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.95rem;
            color: #fffffe;
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }
        nav a:hover,
        nav a:focus-visible {
            background: #ff8906;
            color: #0f0e17;
            border-color: #ff8906;
            border-bottom: 1px solid #ff8906;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fffffe;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #2a2a3a;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            padding: 1rem 0 0.2rem;
            font-size: 0.9rem;
            color: #a0a0b0;
        }
        .breadcrumb a {
            color: #ff8906;
        }
        .breadcrumb span {
            color: #a0a0b0;
        }
        .breadcrumb .sep {
            color: #555;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            background: #1a1a2e;
            padding: 1.5rem 2rem;
            border-radius: 16px;
            margin: 2rem 0;
            align-items: center;
            border: 1px solid #2a2a3a;
        }
        .search-form label {
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #ff8906;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.8rem 1.2rem;
            border-radius: 40px;
            border: none;
            background: #0f0e17;
            color: #fffffe;
            font-size: 1rem;
            border: 2px solid #2a2a3a;
            transition: border 0.3s;
        }
        .search-form input[type="text"]:focus {
            outline: none;
            border-color: #ff8906;
        }
        .search-form button {
            padding: 0.8rem 2rem;
            border-radius: 40px;
            border: none;
            background: #ff8906;
            color: #0f0e17;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #f25f4c;
            transform: scale(1.02);
        }
        .search-form button:active {
            transform: scale(0.97);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0;
        }
        .feedback-card {
            background: #1a1a2e;
            padding: 1.8rem 2rem;
            border-radius: 20px;
            border: 1px solid #2a2a3a;
            transition: border-color 0.3s;
        }
        .feedback-card:hover {
            border-color: #ff8906;
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            color: #ff8906;
        }
        .feedback-card textarea,
        .feedback-card select,
        .feedback-card input {
            width: 100%;
            padding: 0.7rem 1rem;
            border-radius: 12px;
            border: 2px solid #2a2a3a;
            background: #0f0e17;
            color: #fffffe;
            font-size: 1rem;
            margin-top: 0.4rem;
            transition: border 0.3s;
            font-family: inherit;
        }
        .feedback-card textarea:focus,
        .feedback-card select:focus,
        .feedback-card input:focus {
            outline: none;
            border-color: #ff8906;
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card button {
            margin-top: 0.8rem;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            border: none;
            background: #ff8906;
            color: #0f0e17;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card button:hover {
            background: #f25f4c;
            transform: scale(1.02);
        }
        .feedback-card button:active {
            transform: scale(0.97);
        }
        .star-rating {
            display: flex;
            gap: 0.4rem;
            font-size: 1.8rem;
            color: #555;
            cursor: pointer;
            margin: 0.4rem 0 0.8rem;
            flex-wrap: wrap;
        }
        .star-rating i {
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #ff8906;
            transform: scale(1.15);
        }
        .feature-img {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
        }
        .feature-img figcaption {
            background: #1a1a2e;
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #a0a0b0;
            border-radius: 0 0 16px 16px;
            border-top: 1px solid #2a2a3a;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            background: #1a1a2e;
            padding: 0.8rem 1.5rem;
            border-radius: 40px;
            margin: 1.2rem 0;
            border: 1px solid #2a2a3a;
            justify-content: center;
        }
        .link-list-inline a {
            font-weight: 500;
            font-size: 0.95rem;
        }
        friend-link {
            display: block;
            background: #1a1a2e;
            padding: 1.8rem 2rem;
            border-radius: 20px;
            margin: 2.5rem 0 1.5rem;
            border: 1px solid #2a2a3a;
        }
        friend-link h3 {
            margin-top: 0;
            color: #ff8906;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.8rem;
        }
        friend-link li {
            margin-bottom: 0;
        }
        friend-link a {
            color: #fffffe;
            font-weight: 500;
            border-bottom: 1px solid transparent;
        }
        friend-link a:hover {
            color: #ff8906;
            border-bottom-color: #ff8906;
        }
        footer {
            text-align: center;
            padding: 2rem 0 1rem;
            border-top: 1px solid #2a2a3a;
            color: #a0a0b0;
            font-size: 0.9rem;
            margin-top: 2rem;
        }
        footer p {
            margin-bottom: 0.3rem;
            color: #a0a0b0;
        }
        footer .copyright {
            margin-top: 0.8rem;
            font-size: 0.85rem;
        }
        .last-updated {
            display: inline-block;
            background: #2a2a3a;
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #a0a0b0;
            margin-bottom: 0.8rem;
        }
        @media (max-width: 900px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .my-logo {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 720px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a1a2e;
                padding: 1rem 0.5rem;
                border-radius: 16px;
                margin-top: 0.8rem;
                gap: 0.3rem;
                border: 1px solid #2a2a3a;
            }
            nav.show {
                display: flex;
            }
            nav a {
                padding: 0.6rem 1.2rem;
                border-radius: 12px;
                width: 100%;
            }
            header {
                flex-wrap: wrap;
            }
            .search-form {
                padding: 1rem 1.2rem;
                flex-direction: column;
                align-items: stretch;
            }
            .search-form input[type="text"] {
                min-width: unset;
            }
            .link-list-inline {
                flex-direction: column;
                align-items: center;
                border-radius: 20px;
                padding: 1rem;
            }
            friend-link ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            body {
                padding: 0 0.6rem 1.5rem;
            }
            .feedback-card {
                padding: 1.2rem 1rem;
            }
            .star-rating {
                font-size: 1.5rem;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0f0e17;
        }
        ::-webkit-scrollbar-thumb {
            background: #2a2a3a;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #ff8906;
        }
        .content-section {
            max-width: 960px;
            margin: 0 auto;
        }
        .badge {
            display: inline-block;
            background: #ff8906;
            color: #0f0e17;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }
        .quote-block {
            border-left: 4px solid #ff8906;
            padding: 0.8rem 1.5rem;
            background: #1a1a2e;
            border-radius: 0 16px 16px 0;
            margin: 1.5rem 0;
            font-style: italic;
            color: #e0e0e0;
        }
        .data-point {
            display: inline-block;
            background: #2a2a3a;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-weight: 600;
            color: #ff8906;
        }
