        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #0b0e14;
            color: #e8edf2;
            line-height: 1.8;
            font-size: 17px;
        }
        a {
            color: #7ecf4a;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #b1ff7a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.6rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #f0f6fc;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.8rem;
            margin-top: 0.5rem;
            background: linear-gradient(135deg, #7ecf4a, #c9f299);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h2 {
            font-size: 2rem;
            border-left: 5px solid #7ecf4a;
            padding-left: 1rem;
            margin-top: 3.2rem;
        }
        h3 {
            font-size: 1.5rem;
            color: #c9f299;
            margin-top: 2.4rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #a8d88a;
            margin-top: 1.6rem;
        }
        p {
            margin-bottom: 1.2rem;
            color: #cfdbe6;
        }
        strong {
            color: #f0f6fc;
            font-weight: 700;
        }
        em {
            color: #b9e08a;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: #121820;
            border-bottom: 2px solid #1f2a33;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(8px);
            background: rgba(12, 16, 22, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #7ecf4a, #c9f299);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: #7ecf4a;
            font-size: 2rem;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .nav-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #e8edf2;
            cursor: pointer;
            padding: 6px 12px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #1f2a33;
        }
        .main-nav {
            display: flex;
            gap: 28px;
            align-items: center;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #cfdbe6;
            font-weight: 500;
            font-size: 0.98rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: all 0.2s;
        }
        .main-nav a:hover {
            color: #7ecf4a;
            border-bottom-color: #7ecf4a;
            text-decoration: none;
        }
        .main-nav a.active {
            color: #7ecf4a;
            border-bottom-color: #7ecf4a;
        }
        .breadcrumb {
            background: #141c26;
            padding: 12px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #1f2a33;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            gap: 8px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 8px;
            color: #6a7a8a;
        }
        .breadcrumb a {
            color: #8aa0b8;
        }
        .breadcrumb a:hover {
            color: #7ecf4a;
        }
        .breadcrumb .current {
            color: #c9f299;
        }
        .hero {
            padding: 50px 0 40px;
            background: linear-gradient(180deg, #0f1720 0%, #0b0e14 100%);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-image {
            border-radius: 16px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
            border: 1px solid #1f2a33;
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 0.6rem;
        }
        .hero p {
            font-size: 1.15rem;
            color: #b0c4d8;
        }
        .hero .meta {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 20px;
            font-size: 0.95rem;
            color: #8aa0b8;
        }
        .hero .meta i {
            color: #7ecf4a;
            margin-right: 6px;
        }
        .btn-download {
            display: inline-block;
            background: linear-gradient(135deg, #7ecf4a, #56a832);
            color: #0b0e14;
            font-weight: 700;
            padding: 14px 38px;
            border-radius: 40px;
            font-size: 1.1rem;
            margin-top: 20px;
            transition: all 0.3s;
            box-shadow: 0 6px 20px rgba(126, 207, 74, 0.25);
            border: none;
            cursor: pointer;
        }
        .btn-download:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(126, 207, 74, 0.35);
            text-decoration: none;
            color: #0b0e14;
        }
        .btn-download i {
            margin-right: 10px;
        }
        .search-section {
            padding: 30px 0 10px;
        }
        .search-form {
            display: flex;
            max-width: 580px;
            margin: 0 auto;
            background: #1a2532;
            border-radius: 40px;
            overflow: hidden;
            border: 1px solid #2a3847;
            transition: border-color 0.3s;
        }
        .search-form:focus-within {
            border-color: #7ecf4a;
        }
        .search-form input {
            flex: 1;
            padding: 14px 22px;
            background: transparent;
            border: none;
            color: #e8edf2;
            font-size: 1rem;
            outline: none;
        }
        .search-form input::placeholder {
            color: #6a7a8a;
        }
        .search-form button {
            background: #7ecf4a;
            border: none;
            padding: 0 26px;
            color: #0b0e14;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #96e05a;
        }
        .content-wrap {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 48px;
            padding: 30px 0 50px;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            align-self: start;
            background: #121820;
            border-radius: 16px;
            padding: 24px 20px;
            border: 1px solid #1f2a33;
            max-height: 80vh;
            overflow-y: auto;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-top: 0;
            margin-bottom: 16px;
            border-left: 3px solid #7ecf4a;
            padding-left: 12px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar li {
            margin-bottom: 10px;
        }
        .sidebar a {
            color: #b0c4d8;
            font-size: 0.95rem;
            display: block;
            padding: 4px 0;
            border-bottom: 1px solid #1a2532;
        }
        .sidebar a:hover {
            color: #7ecf4a;
            text-decoration: none;
        }
        .featured-image-wrap {
            margin: 30px 0;
            border-radius: 14px;
            overflow: hidden;
            border: 1px solid #1f2a33;
            background: #121820;
            padding: 8px;
        }
        .featured-image-wrap figcaption {
            padding: 12px 16px 8px;
            font-size: 0.9rem;
            color: #8aa0b8;
            text-align: center;
            font-style: italic;
        }
        .featured-image-wrap img {
            border-radius: 8px;
            width: 100%;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 40px 0;
        }
        .card {
            background: #121820;
            border: 1px solid #1f2a33;
            border-radius: 16px;
            padding: 28px 24px;
            transition: border-color 0.3s;
        }
        .card:hover {
            border-color: #2a3847;
        }
        .card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 16px;
        }
        .card input,
        .card textarea,
        .card select {
            background: #1a2532;
            border: 1px solid #2a3847;
            border-radius: 10px;
            padding: 12px 16px;
            color: #e8edf2;
            font-size: 0.95rem;
            transition: border-color 0.3s;
            font-family: inherit;
        }
        .card input:focus,
        .card textarea:focus,
        .card select:focus {
            border-color: #7ecf4a;
            outline: none;
        }
        .card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .card button {
            background: #7ecf4a;
            border: none;
            padding: 12px 20px;
            border-radius: 30px;
            font-weight: 700;
            color: #0b0e14;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .card button:hover {
            background: #96e05a;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #3a4a5a;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f2c94a;
        }
        friend-link {
            display: block;
            padding: 32px 0 20px;
            border-top: 1px solid #1f2a33;
            margin-top: 30px;
        }
        friend-link .fl-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 28px;
            justify-content: center;
        }
        friend-link a {
            color: #8aa0b8;
            font-size: 0.95rem;
            padding: 4px 8px;
            border-radius: 6px;
            transition: all 0.2s;
        }
        friend-link a:hover {
            color: #7ecf4a;
            background: #1a2532;
            text-decoration: none;
        }
        .site-footer {
            background: #0a0e14;
            border-top: 2px solid #1f2a33;
            padding: 30px 0 20px;
            text-align: center;
            font-size: 0.9rem;
            color: #6a7a8a;
        }
        .site-footer .copyright {
            margin-top: 10px;
            font-size: 0.85rem;
        }
        .site-footer a {
            color: #8aa0b8;
        }
        .site-footer a:hover {
            color: #7ecf4a;
        }
        @media (max-width: 992px) {
            .content-wrap {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                max-height: none;
                margin-top: 30px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 12px;
                padding: 18px 0 10px;
                border-top: 1px solid #1f2a33;
                margin-top: 12px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                font-size: 1.05rem;
                padding: 8px 0;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .container {
                padding: 0 14px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .btn-download {
                padding: 12px 28px;
                font-size: 1rem;
            }
            .search-form input {
                padding: 12px 16px;
                font-size: 0.9rem;
            }
            .search-form button {
                padding: 0 18px;
                font-size: 0.9rem;
            }
            .card {
                padding: 20px 16px;
            }
        }
        @media (max-width: 480px) {
            body {
                font-size: 15px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .star-rating label {
                font-size: 1.4rem;
            }
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .text-center {
            text-align: center;
        }
        .highlight {
            background: #1a2a1a;
            padding: 2px 8px;
            border-radius: 4px;
            color: #c9f299;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #121820;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 12px 16px;
            border-bottom: 1px solid #1f2a33;
            text-align: left;
        }
        th {
            background: #1a2532;
            color: #c9f299;
            font-weight: 600;
        }
        tr:hover {
            background: #1a2532;
        }
        blockquote {
            border-left: 4px solid #7ecf4a;
            padding: 16px 20px;
            margin: 24px 0;
            background: #121820;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #b0c4d8;
        }
        blockquote strong {
            color: #c9f299;
        }
        .tag {
            display: inline-block;
            background: #1a2532;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            color: #8aa0b8;
            margin-right: 6px;
        }
