*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #0d0f14;
            color: #e8edf2;
            line-height: 1.75;
            padding: 0 1rem;
            min-height: 100vh;
        }
        a {
            color: #f5c542;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #ffd966;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 0.75rem;
            color: #f5d68a;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
        }
        h2 {
            font-size: 1.9rem;
            border-bottom: 2px solid #f5c54233;
            padding-bottom: 0.4rem;
            margin-top: 2.5rem;
        }
        h3 {
            font-size: 1.5rem;
            margin-top: 1.8rem;
        }
        h4 {
            font-size: 1.2rem;
            margin-top: 1.4rem;
            color: #e0d5b8;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #d5dce6;
        }
        strong,
        b {
            color: #f5d68a;
            font-weight: 700;
        }
        ul,
        ol {
            margin: 1rem 0 1.5rem 1.8rem;
        }
        li {
            margin-bottom: 0.5rem;
            font-size: 1.02rem;
        }
        hr {
            border: none;
            border-top: 1px solid #2a2e36;
            margin: 2.5rem 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 1rem 0.5rem;
        }
        header {
            padding: 1.2rem 0 0.8rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid #2a2e36;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #f5c542, #e8a317);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 20px #f5c54222;
        }
        .my-logo:hover {
            text-decoration: none;
            filter: brightness(1.1);
        }
        .my-logo small {
            font-size: 0.7rem;
            display: block;
            -webkit-text-fill-color: #8899aa;
            color: #8899aa;
            letter-spacing: 0.5px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        nav a {
            font-weight: 500;
            font-size: 0.98rem;
            padding: 0.4rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        nav a:hover {
            border-bottom-color: #f5c542;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f5c542;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
        }
        .nav-links {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-links.active {
            display: flex;
            flex-direction: column;
            width: 100%;
            gap: 0.6rem;
            padding: 1rem 0 0.5rem;
            border-top: 1px solid #2a2e36;
            margin-top: 0.6rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            font-size: 0.9rem;
            padding: 0.8rem 0 0.2rem;
            color: #8899aa;
        }
        .breadcrumb a {
            color: #aabbcc;
        }
        .breadcrumb a:hover {
            color: #f5c542;
        }
        .breadcrumb span {
            color: #556677;
        }
        .search-wrap {
            margin: 2rem 0 1.5rem;
            display: flex;
            justify-content: center;
        }
        .search-form {
            display: flex;
            width: 100%;
            max-width: 600px;
            background: #1b1f28;
            border-radius: 60px;
            border: 1px solid #2f3540;
            overflow: hidden;
            transition: 0.3s;
        }
        .search-form:focus-within {
            border-color: #f5c542;
            box-shadow: 0 0 0 3px #f5c54222;
        }
        .search-form input {
            flex: 1;
            padding: 0.85rem 1.5rem;
            background: transparent;
            border: none;
            color: #e8edf2;
            font-size: 1rem;
            outline: none;
        }
        .search-form input::placeholder {
            color: #667788;
        }
        .search-form button {
            background: #f5c542;
            border: none;
            padding: 0 1.8rem;
            color: #0d0f14;
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            transition: 0.25s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #ffd966;
        }
        .tier-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8rem 0 2.2rem;
            background: #141820;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }
        .tier-table th,
        .tier-table td {
            padding: 0.9rem 1.2rem;
            text-align: left;
            border-bottom: 1px solid #252a34;
        }
        .tier-table th {
            background: #1f2530;
            font-weight: 700;
            color: #f5d68a;
            font-size: 1.05rem;
        }
        .tier-table tr:hover td {
            background: #1b212c;
        }
        .tier-s {
            background: #2a1a1a;
            border-left: 5px solid #e74c3c;
        }
        .tier-a {
            background: #1f2418;
            border-left: 5px solid #f5c542;
        }
        .tier-b {
            background: #1a1f24;
            border-left: 5px solid #4a9eff;
        }
        .tier-c {
            background: #1c1c1c;
            border-left: 5px solid #7a8a9a;
        }
        .tier-d {
            background: #161a1c;
            border-left: 5px solid #5a6a7a;
        }
        .tier-badge {
            display: inline-block;
            font-weight: 800;
            font-size: 1.3rem;
            padding: 0.1rem 0.8rem;
            border-radius: 6px;
            background: #0d0f14;
            color: #f5d68a;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.8rem;
            margin: 2rem 0;
        }
        .card {
            background: #141820;
            padding: 1.6rem 1.4rem;
            border-radius: 14px;
            border: 1px solid #252a34;
            transition: transform 0.2s, box-shadow 0.3s;
        }
        .card:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(245, 197, 66, 0.06);
        }
        .card i {
            font-size: 2rem;
            color: #f5c542;
            margin-bottom: 0.8rem;
        }
        .card h3 {
            margin-top: 0;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0;
        }
        .feedback-card {
            background: #141820;
            border-radius: 14px;
            padding: 1.8rem 1.6rem;
            border: 1px solid #252a34;
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            background: #1b1f28;
            border: 1px solid #2f3540;
            border-radius: 8px;
            padding: 0.8rem 1rem;
            color: #e8edf2;
            font-size: 0.95rem;
            transition: 0.25s;
            font-family: inherit;
            width: 100%;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #f5c542;
            outline: none;
            box-shadow: 0 0 0 3px #f5c54222;
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card button {
            background: #f5c542;
            color: #0d0f14;
            font-weight: 700;
            border: none;
            padding: 0.8rem 1.6rem;
            border-radius: 40px;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.25s;
            align-self: flex-start;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .feedback-card button:hover {
            background: #ffd966;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 0.4rem;
            font-size: 1.8rem;
            color: #3a4050;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating i {
            transition: 0.2s;
            color: #3a4050;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #3a4050;
            transition: 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5c542;
            text-shadow: 0 0 10px #f5c54244;
        }
        friend-link {
            display: block;
            margin: 2rem 0 1rem;
            padding: 1.6rem 1.4rem;
            background: #141820;
            border-radius: 14px;
            border: 1px solid #252a34;
        }
        friend-link h4 {
            margin-top: 0;
            font-size: 1.3rem;
            color: #f5d68a;
        }
        friend-link ul {
            list-style: none;
            margin: 0.8rem 0 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.6rem;
        }
        friend-link li a {
            font-weight: 500;
        }
        footer {
            padding: 2rem 0 1.2rem;
            border-top: 1px solid #2a2e36;
            margin-top: 2.5rem;
            text-align: center;
            font-size: 0.92rem;
            color: #7a8a9a;
        }
        footer a {
            color: #aabbcc;
        }
        footer a:hover {
            color: #f5c542;
        }
        footer .copy {
            margin-top: 0.8rem;
            font-size: 0.85rem;
        }
        .feature-img {
            margin: 2rem 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
        }
        .feature-img img {
            width: 100%;
            height: auto;
            display: block;
        }
        .feature-img figcaption {
            padding: 0.6rem 1rem;
            background: #141820;
            font-size: 0.9rem;
            color: #aabbcc;
            border-top: 1px solid #252a34;
        }
        .last-updated {
            display: inline-block;
            background: #1b1f28;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            color: #aabbcc;
            margin: 0.5rem 0 1.2rem;
            border: 1px solid #2a2e36;
        }
        .last-updated i {
            margin-right: 0.4rem;
            color: #f5c542;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.6rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                width: 100%;
            }
            .nav-links.active {
                display: flex;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .tier-table {
                font-size: 0.85rem;
            }
            .tier-table th,
            .tier-table td {
                padding: 0.6rem 0.7rem;
            }
            .search-form input {
                padding: 0.7rem 1rem;
                font-size: 0.9rem;
            }
            .search-form button {
                padding: 0 1rem;
                font-size: 0.9rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .star-rating {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.5rem;
            }
            .tier-table th,
            .tier-table td {
                padding: 0.4rem 0.5rem;
                font-size: 0.78rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
            .feedback-card {
                padding: 1.2rem;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
            background: #0d0f14;
        }
        ::-webkit-scrollbar-track {
            background: #1b1f28;
        }
        ::-webkit-scrollbar-thumb {
            background: #3a4050;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #f5c54266;
        }