*,
        *::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, sans-serif;
            background: #f8faff;
            color: #1a1a2e;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #2a4b7c;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e85d3a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 50%;
            transform: translateX(-50%);
            background: #1a1a2e;
            color: #fff;
            padding: 12px 24px;
            border-radius: 0 0 8px 8px;
            z-index: 9999;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }
        .site-header {
            background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
            color: #fff;
            padding: 0 0 4px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 12px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f7971e, #ffd200);
            -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);
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: #ffd200;
            margin-right: 6px;
        }
        .my-logo span {
            font-size: 0.75rem;
            display: block;
            -webkit-text-fill-color: #aaa;
            letter-spacing: 1px;
            font-weight: 400;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.5rem;
            padding: 8px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-menu {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-menu a {
            color: #eee;
            padding: 6px 16px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .nav-menu a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #ffd200;
            text-decoration: none;
        }
        .nav-menu a.active {
            background: #ffd200;
            color: #1a1a2e;
        }
        .breadcrumb {
            background: rgba(255, 255, 255, 0.06);
            padding: 8px 20px;
            font-size: 0.8rem;
            color: #aaa;
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
        }
        .breadcrumb a {
            color: #ccc;
        }
        .breadcrumb a:hover {
            color: #ffd200;
        }
        .breadcrumb span {
            color: #ffd200;
        }
        .hero {
            background: linear-gradient(145deg, #1a1a3e, #2d2b55);
            color: #fff;
            padding: 50px 20px 40px;
            text-align: center;
            border-bottom: 6px solid #ffd200;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #ffd200, #f7971e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 750px;
            margin: 0 auto 20px;
            color: #d0d0e8;
        }
        .hero .badge {
            display: inline-block;
            background: rgba(255, 210, 0, 0.18);
            border: 1px solid rgba(255, 210, 0, 0.3);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #ffd200;
            margin: 0 4px 8px;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        .content-area {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        h2 {
            font-size: 2rem;
            font-weight: 800;
            margin: 48px 0 16px;
            color: #1a1a3e;
            border-bottom: 4px solid #ffd200;
            padding-bottom: 8px;
            display: inline-block;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 32px 0 12px;
            color: #2a2a4a;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 24px 0 8px;
            color: #3a3a5a;
        }
        p {
            margin-bottom: 16px;
            color: #333;
        }
        .content-area p {
            font-size: 1.05rem;
            line-height: 1.8;
        }
        .highlight-box {
            background: #f0f4ff;
            border-left: 6px solid #ffd200;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .highlight-box strong {
            color: #1a1a3e;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .stat-card {
            background: #fff;
            border: 1px solid #e0e6f0;
            border-radius: 12px;
            padding: 20px 16px;
            text-align: center;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
        }
        .stat-card .num {
            font-size: 2.2rem;
            font-weight: 900;
            color: #2a4b7c;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: #666;
            margin-top: 4px;
        }
        .featured-img {
            margin: 32px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .featured-img img {
            width: 100%;
            height: auto;
            display: block;
        }
        .featured-img figcaption {
            background: #f0f4ff;
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #555;
            text-align: center;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px 20px;
            margin-bottom: 24px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8ecf4;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            margin-bottom: 12px;
            border-bottom: 2px solid #ffd200;
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            padding: 6px 0;
            border-bottom: 1px solid #f0f0f0;
        }
        .sidebar-card ul li a {
            font-weight: 500;
        }
        .sidebar-card .btn-download {
            display: block;
            background: linear-gradient(135deg, #2a4b7c, #1a3a6a);
            color: #fff !important;
            text-align: center;
            padding: 12px 16px;
            border-radius: 30px;
            font-weight: 600;
            margin: 12px 0 6px;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .sidebar-card .btn-download:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(42, 75, 124, 0.3);
            text-decoration: none;
        }
        .sidebar-card .btn-download i {
            margin-right: 8px;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 8px 0;
        }
        .search-form input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid #e0e6f0;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.2s;
            background: #f8faff;
        }
        .search-form input:focus {
            border-color: #ffd200;
        }
        .search-form button {
            background: #2a4b7c;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 0 20px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.2s;
        }
        .search-form button:hover {
            background: #1a3a6a;
            transform: scale(1.02);
        }
        .comment-box,
        .rating-box {
            background: #fff;
            border-radius: 16px;
            padding: 28px 24px;
            margin: 32px 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8ecf4;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid #e0e6f0;
            border-radius: 12px;
            font-family: inherit;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 100px;
            outline: none;
            transition: border-color 0.2s;
            background: #f8faff;
        }
        .comment-form textarea:focus {
            border-color: #ffd200;
        }
        .form-input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e0e6f0;
            border-radius: 12px;
            font-family: inherit;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.2s;
            background: #f8faff;
            margin-bottom: 12px;
        }
        .form-input:focus {
            border-color: #ffd200;
        }
        .form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .form-row .form-input {
            flex: 1;
            min-width: 180px;
        }
        .btn-primary {
            background: linear-gradient(135deg, #ffd200, #f7971e);
            color: #1a1a2e !important;
            border: none;
            padding: 12px 32px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 210, 0, 0.35);
            text-decoration: none;
        }
        .btn-primary i {
            font-size: 1.1rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            margin: 12px 0 16px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.15s, transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffd200;
            transform: scale(1.1);
        }
        .site-footer {
            background: #0f0c29;
            color: #ccc;
            padding: 40px 20px 24px;
            margin-top: auto;
            border-top: 4px solid #ffd200;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
        }
        .footer-inner h4 {
            color: #ffd200;
            margin-top: 0;
            margin-bottom: 12px;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: #aaa;
        }
        .footer-inner a:hover {
            color: #ffd200;
        }
        friend-link {
            display: block;
            margin-top: 8px;
        }
        friend-link a {
            display: inline-block;
            margin-right: 16px;
            padding: 4px 0;
        }
        .copyright {
            text-align: center;
            padding-top: 28px;
            margin-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.85rem;
            color: #888;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
        }
        .copyright strong {
            color: #ffd200;
        }
        .last-updated {
            display: inline-block;
            background: rgba(255, 210, 0, 0.12);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            color: #ffd200;
            margin-top: 8px;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 0 4px;
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 10px 16px;
                border-radius: 8px;
                text-align: center;
            }
            .header-inner {
                padding: 10px 16px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .content-area p {
                font-size: 1rem;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .form-row {
                flex-direction: column;
            }
            .form-row .form-input {
                min-width: auto;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero {
                padding: 30px 16px 28px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .sidebar-card {
                padding: 16px;
            }
            .comment-box,
            .rating-box {
                padding: 20px 16px;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mb-8 {
            margin-bottom: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .emoji-lg {
            font-size: 1.8rem;
        }
        .comment-thankyou,
        .rating-thankyou {
            display: none;
            background: #e8f5e9;
            color: #2e7d32;
            padding: 16px 20px;
            border-radius: 12px;
            margin-top: 12px;
            font-weight: 500;
        }
        .comment-thankyou.show,
        .rating-thankyou.show {
            display: block;
        }