*,
        *::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, 'Helvetica Neue', sans-serif;
            background: #f7f9fc;
            color: #1e1e2a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #d9381e;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #a1260e;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            margin-top: 2.2rem;
            margin-bottom: 0.8rem;
            color: #0b1a2e;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #d9381e;
            padding-bottom: 0.5rem;
            display: inline-block;
        }
        h2 {
            font-size: 1.9rem;
            border-left: 5px solid #d9381e;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.25rem;
            color: #2c3e50;
        }
        p {
            margin: 1.2rem 0;
            font-size: 1.05rem;
            color: #2d2d3a;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a2e 0%, #1a2f44 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            background: linear-gradient(45deg, #f7971e, #ffd200);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #ffd200;
            font-size: 2.2rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 1.8rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-menu li a {
            color: #f0f4fa;
            font-weight: 500;
            font-size: 0.98rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .nav-menu li a:hover {
            border-bottom-color: #ffd200;
            color: #ffd200;
            text-decoration: none;
        }
        .breadcrumb {
            background: #eef2f7;
            padding: 0.6rem 1.2rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #dce3ec;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            list-style: none;
            padding: 0;
            margin: 0;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #888;
        }
        .breadcrumb a {
            color: #d9381e;
        }
        .breadcrumb .active {
            color: #555;
            font-weight: 500;
        }
        .search-section {
            background: #fff;
            border-radius: 16px;
            padding: 2rem 2rem 2.2rem;
            margin: 2.5rem 0;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8edf4;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            max-width: 640px;
            margin: 0.8rem 0 0;
        }
        .search-form input[type="text"] {
            flex: 1 1 240px;
            padding: 0.9rem 1.4rem;
            border: 2px solid #dce3ec;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: 0.25s;
        }
        .search-form input[type="text"]:focus {
            border-color: #d9381e;
            box-shadow: 0 0 0 4px rgba(217, 56, 30, 0.12);
        }
        .search-form button {
            background: #d9381e;
            color: #fff;
            border: none;
            padding: 0.9rem 2.2rem;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.25s;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .search-form button:hover {
            background: #a1260e;
            transform: translateY(-1px);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0;
        }
        .card {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 2rem 2.2rem;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8edf4;
        }
        .card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #dce3ec;
            border-radius: 10px;
            font-size: 0.95rem;
            margin-bottom: 0.8rem;
            font-family: inherit;
            resize: vertical;
            transition: 0.2s;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: #d9381e;
            outline: none;
        }
        .comment-form button,
        .rating-form button {
            background: #0b1a2e;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.25s;
            font-size: 0.95rem;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: #1a2f44;
            transform: translateY(-1px);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 2rem;
            color: #ccc;
            cursor: pointer;
            margin: 0.6rem 0 1rem;
        }
        .rating-stars i.active {
            color: #f5a623;
        }
        .rating-stars i:hover,
        .rating-stars i.hover {
            color: #f5a623;
        }
        .rating-form input[type="number"] {
            width: 80px;
            padding: 0.5rem;
            border: 2px solid #dce3ec;
            border-radius: 8px;
            font-size: 1rem;
        }
        .rating-display {
            margin-top: 1rem;
            font-weight: 600;
            font-size: 1.1rem;
        }
        .content-area {
            background: #fff;
            border-radius: 16px;
            padding: 2.5rem 2.8rem;
            margin: 2rem 0;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.03);
            border: 1px solid #e8edf4;
        }
        .content-area p {
            text-align: justify;
        }
        .feature-image {
            border-radius: 16px;
            margin: 2rem 0;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
        }
        .highlight-box {
            background: #fef6e9;
            border-left: 6px solid #f5a623;
            padding: 1.6rem 2rem;
            border-radius: 0 12px 12px 0;
            margin: 2rem 0;
        }
        .highlight-box p {
            margin: 0.4rem 0;
        }
        .pro-tip {
            background: #e8f0fe;
            border-left: 6px solid #1a73e8;
            padding: 1.4rem 2rem;
            border-radius: 0 12px 12px 0;
            margin: 2rem 0;
        }
        .inline-link {
            font-weight: 600;
            color: #d9381e;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 0.3rem;
        }
        .last-updated {
            color: #666;
            font-size: 0.9rem;
            border-top: 1px solid #e8edf4;
            padding-top: 1.5rem;
            margin-top: 2.5rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .site-footer {
            background: #0b1a2e;
            color: #cdd9e9;
            padding: 2.8rem 1.2rem 2rem;
            margin-top: 3.5rem;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2.5rem;
        }
        .footer-inner h4 {
            color: #ffd200;
            margin-top: 0;
            font-size: 1.2rem;
        }
        .footer-inner a {
            color: #bcc9dd;
        }
        .footer-inner a:hover {
            color: #ffd200;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.04);
            padding: 1.2rem 1.8rem;
            border-radius: 12px;
            margin: 1.5rem 0 0.8rem;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 1.2rem 0.2rem 0;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.9rem;
            color: #96a6c2;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 900px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .content-area {
                padding: 1.8rem 1.5rem;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 700px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 1.2rem 0 0.8rem;
                gap: 0.8rem;
                background: transparent;
            }
            .nav-menu.show {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            .header-inner {
                align-items: center;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }
            .search-form button {
                padding: 0.9rem 1.5rem;
            }
            .rating-stars {
                font-size: 1.8rem;
            }
            .container {
                padding: 0 0.9rem;
            }
            .content-area {
                padding: 1.2rem 1rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
                padding: 0.4rem 0.9rem;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.5rem;
            }
            .my-logo i {
                font-size: 1.7rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            .search-section {
                padding: 1.2rem;
            }
            .card {
                padding: 1.2rem;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.6rem 1.2rem;
        }
        .tag {
            background: #eef2f7;
            padding: 0.2rem 0.9rem;
            border-radius: 50px;
            font-size: 0.85rem;
            color: #2c3e50;
        }
.fas,
            .far,
            .fab {
                display: none;
            }