* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            background: #0b0e14;
            color: #e8e6e3;
            line-height: 1.8;
            font-size: 16px;
            padding: 0 16px;
        }
        a {
            color: #f5c842;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #ffd966;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #121820;
            border-radius: 24px;
            padding: 20px 28px 32px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
            margin-top: 20px;
            margin-bottom: 40px;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            border-bottom: 2px solid #2a3545;
            position: relative;
        }
        .my-logo {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #f5c842, #e6a800);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 12px rgba(245, 200, 66, 0.2);
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .hamburger {
            display: none;
            font-size: 28px;
            background: none;
            border: none;
            color: #f5c842;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #1e2a38;
        }
        nav {
            display: flex;
            gap: 8px 20px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 8px;
            font-size: 15px;
            color: #c8d0d8;
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover {
            background: #1e2a38;
            color: #f5c842;
            text-decoration: none;
        }
        .nav-active {
            color: #f5c842;
            background: #1e2a38;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 12px 0 8px;
            font-size: 14px;
            color: #8a9aa8;
            gap: 6px;
        }
        .breadcrumb li+li:before {
            content: "›";
            margin: 0 8px 0 4px;
            color: #5a6a78;
        }
        .breadcrumb a {
            color: #8a9aa8;
        }
        .breadcrumb a:hover {
            color: #f5c842;
        }
        .breadcrumb .current {
            color: #f5c842;
        }
        .hero {
            text-align: center;
            padding: 32px 0 24px;
        }
        .hero h1 {
            font-size: 38px;
            font-weight: 800;
            background: linear-gradient(135deg, #f5c842, #e6a800, #f5c842);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero p {
            font-size: 18px;
            color: #b0bcc8;
            max-width: 800px;
            margin: 0 auto 20px;
        }
        .update-badge {
            display: inline-block;
            background: #1e2a38;
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 14px;
            color: #f5c842;
            border: 1px solid #2a3545;
        }
        .update-badge i {
            margin-right: 6px;
        }
        .feature-image {
            margin: 32px 0 28px;
            border-radius: 16px;
            overflow: hidden;
            background: #1a2533;
            padding: 8px;
        }
        .feature-image img {
            border-radius: 12px;
            width: 100%;
            aspect-ratio: 1200/630;
            object-fit: cover;
            background: #2a3545;
        }
        .feature-image figcaption {
            text-align: center;
            padding: 10px 0 4px;
            font-size: 14px;
            color: #8a9aa8;
        }
        h2 {
            font-size: 30px;
            font-weight: 700;
            color: #f5c842;
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 2px solid #2a3545;
        }
        h3 {
            font-size: 24px;
            font-weight: 600;
            color: #e8d5a0;
            margin: 36px 0 12px;
        }
        h4 {
            font-size: 20px;
            font-weight: 600;
            color: #d4c088;
            margin: 28px 0 8px;
        }
        p {
            margin: 0 0 18px;
            color: #d0d8e0;
        }
        strong {
            color: #f5c842;
            font-weight: 600;
        }
        ul,
        ol {
            margin: 0 0 20px 24px;
            color: #c8d0d8;
        }
        li {
            margin-bottom: 8px;
        }
        .highlight-box {
            background: #1a2533;
            border-left: 4px solid #f5c842;
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .tier-table {
            width: 100%;
            border-collapse: collapse;
            margin: 28px 0;
            font-size: 15px;
            background: #0f1620;
            border-radius: 12px;
            overflow: hidden;
        }
        .tier-table th {
            background: #1e2a38;
            color: #f5c842;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .tier-table td {
            padding: 10px 16px;
            border-bottom: 1px solid #1e2a38;
            color: #c8d0d8;
        }
        .tier-table tr:hover td {
            background: #1a2533;
        }
        .tier-s {
            color: #ff6b6b;
            font-weight: 700;
        }
        .tier-a {
            color: #ff9f43;
            font-weight: 600;
        }
        .tier-b {
            color: #f5c842;
            font-weight: 600;
        }
        .tier-c {
            color: #8a9aa8;
        }
        .form-card {
            background: #0f1620;
            border-radius: 16px;
            padding: 28px 32px;
            margin: 32px 0;
            border: 1px solid #2a3545;
        }
        .form-card h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 500;
            color: #d0d8e0;
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid #2a3545;
            background: #1a2533;
            color: #e8e6e3;
            font-size: 15px;
            font-family: inherit;
            transition: border 0.2s, box-shadow 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #f5c842;
            box-shadow: 0 0 0 3px rgba(245, 200, 66, 0.15);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            padding: 12px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 16px;
            border: none;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            background: #f5c842;
            color: #0b0e14;
        }
        .btn:hover {
            background: #ffd966;
            transform: scale(1.02);
        }
        .btn-secondary {
            background: #2a3545;
            color: #e8e6e3;
        }
        .btn-secondary:hover {
            background: #3a4a5a;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 28px;
            color: #4a5a68;
            cursor: pointer;
        }
        .star-rating i {
            transition: color 0.2s, transform 0.1s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #f5c842;
            transform: scale(1.1);
        }
        friend-link {
            display: block;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 2px solid #2a3545;
        }
        friend-link h3 {
            font-size: 20px;
            margin-bottom: 12px;
            color: #e8d5a0;
        }
        friend-link ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
        }
        friend-link li {
            margin: 0;
        }
        friend-link a {
            color: #8a9aa8;
            font-size: 15px;
        }
        friend-link a:hover {
            color: #f5c842;
        }
        footer {
            text-align: center;
            padding: 28px 0 12px;
            color: #6a7a88;
            font-size: 14px;
            border-top: 1px solid #1e2a38;
            margin-top: 32px;
        }
        footer p {
            margin-bottom: 6px;
            color: #6a7a88;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 8px;
            }
            .container {
                padding: 12px 16px 24px;
                border-radius: 16px;
                margin-top: 12px;
            }
            .hero h1 {
                font-size: 26px;
            }
            .hero p {
                font-size: 16px;
            }
            h2 {
                font-size: 24px;
            }
            h3 {
                font-size: 20px;
            }
            h4 {
                font-size: 18px;
            }
            .my-logo {
                font-size: 22px;
            }
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 16px 0 8px;
                gap: 6px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 10px 14px;
                font-size: 16px;
                border-radius: 8px;
            }
            .tier-table {
                font-size: 13px;
                display: block;
                overflow-x: auto;
            }
            .tier-table th,
            .tier-table td {
                padding: 8px 12px;
                white-space: nowrap;
            }
            .form-card {
                padding: 20px 18px;
            }
            .star-rating {
                font-size: 24px;
            }
            .breadcrumb {
                font-size: 12px;
            }
            friend-link ul {
                flex-direction: column;
                gap: 8px;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 22px;
            }
            .container {
                padding: 8px 10px 20px;
            }
            .my-logo {
                font-size: 18px;
            }
            .btn {
                padding: 10px 24px;
                font-size: 14px;
            }
        }
        @media (min-width: 769px) {
            .hamburger {
                display: none !important;
            }
            nav {
                display: flex !important;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0b0e14;
        }
        ::-webkit-scrollbar-thumb {
            background: #2a3545;
            border-radius: 12px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #4a5a68;
        }