*,
        *::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;
            line-height: 1.7;
            color: #1e2a3a;
            background: #faf8f5;
            padding: 0 1rem;
            max-width: 1280px;
            margin: 0 auto;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #b45309;
            text-decoration: underline;
            text-underline-offset: 2px;
            transition: color 0.2s, background 0.2s;
        }
        a:hover {
            color: #78350f;
            background: #fef3c7;
            border-radius: 4px;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            color: #0f172a;
        }
        h1 {
            font-size: 2.2rem;
            margin-bottom: 0.75rem;
        }
        h2 {
            font-size: 1.7rem;
            margin-top: 2.5rem;
            margin-bottom: 0.6rem;
            border-left: 5px solid #e67e22;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.3rem;
            margin-top: 1.8rem;
            margin-bottom: 0.4rem;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.2rem;
            margin-bottom: 0.3rem;
            color: #334155;
        }
        p {
            margin-bottom: 1.2rem;
            color: #1e293b;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.2rem 1.8rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        hr {
            border: none;
            border-top: 2px dashed #d1d5db;
            margin: 2.5rem 0;
        }
        .container {
            background: #ffffff;
            border-radius: 24px;
            padding: 1.5rem 1.2rem;
            margin: 1.2rem 0 2rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
        }
        @media (min-width: 768px) {
            body {
                padding: 0 2rem;
            }
            .container {
                padding: 2.5rem 3rem;
            }
            h1 {
                font-size: 2.8rem;
            }
            h2 {
                font-size: 2rem;
            }
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.6rem;
            border-bottom: 2px solid #e2e8f0;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #d97706, #b45309);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.2rem 0;
        }
        .my-logo i {
            -webkit-text-fill-color: #d97706;
            font-size: 1.7rem;
        }
        .my-logo:hover {
            background: linear-gradient(135deg, #f59e0b, #d97706);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo-sub {
            font-size: 0.75rem;
            font-weight: 400;
            color: #64748b;
            display: block;
            letter-spacing: 0.3px;
            -webkit-text-fill-color: #64748b;
        }
        .nav-toggle {
            display: flex;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle span {
            display: block;
            width: 28px;
            height: 3px;
            background: #1e293b;
            border-radius: 4px;
            transition: all 0.3s;
        }
        .nav-toggle:hover {
            background: #f1f5f9;
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 6px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -6px);
        }
        #main-nav {
            flex-basis: 100%;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
            padding-top: 0;
        }
        #main-nav.open {
            max-height: 600px;
            padding-top: 1rem;
        }
        #main-nav a {
            text-decoration: none;
            font-weight: 600;
            color: #1e293b;
            padding: 0.5rem 0.8rem;
            border-radius: 8px;
            background: #f8fafc;
            transition: background 0.2s, color 0.2s;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.95rem;
        }
        #main-nav a:hover {
            background: #fef3c7;
            color: #92400e;
        }
        @media (min-width: 768px) {
            .nav-toggle {
                display: none;
            }
            #main-nav {
                flex-basis: auto;
                max-height: none;
                flex-direction: row;
                gap: 0.2rem;
                padding-top: 0;
                overflow: visible;
            }
            #main-nav a {
                background: transparent;
                padding: 0.4rem 0.9rem;
                font-size: 0.95rem;
            }
            #main-nav a:hover {
                background: #fef3c7;
            }
            header {
                flex-wrap: nowrap;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem 0.6rem;
            font-size: 0.85rem;
            padding: 0.6rem 0 0.2rem;
            color: #64748b;
            background: #f1f5f9;
            border-radius: 40px;
            padding: 0.5rem 1.2rem;
            margin: 0.6rem 0 0.4rem;
        }
        .breadcrumb a {
            color: #b45309;
            text-decoration: none;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .sep {
            color: #94a3b8;
        }
        .featured-img-wrap {
            margin: 1.8rem 0 1.2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }
        .featured-img-wrap img {
            width: 100%;
            object-fit: cover;
            max-height: 420px;
        }
        .img-caption {
            font-size: 0.8rem;
            color: #64748b;
            text-align: center;
            margin-top: 0.4rem;
            font-style: italic;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin: 1.8rem 0;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.75rem 1.2rem;
            border: 2px solid #e2e8f0;
            border-radius: 60px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s, box-shadow 0.2s;
            background: #f8fafc;
        }
        .search-form input[type="text"]:focus {
            border-color: #d97706;
            box-shadow: 0 0 0 4px rgba(217, 119, 6, 0.1);
        }
        .search-form button {
            padding: 0.7rem 1.8rem;
            background: #d97706;
            color: #fff;
            border: none;
            border-radius: 60px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #b45309;
            transform: scale(0.98);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.8rem;
            margin: 2rem 0 1.5rem;
        }
        @media (min-width: 700px) {
            .feedback-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .card-form {
            background: #f8fafc;
            border-radius: 20px;
            padding: 1.5rem 1.4rem;
            border: 1px solid #e2e8f0;
        }
        .card-form h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .card-form label {
            font-weight: 600;
            display: block;
            margin: 0.8rem 0 0.3rem;
            font-size: 0.9rem;
        }
        .card-form input,
        .card-form textarea,
        .card-form select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border 0.2s;
            background: #fff;
        }
        .card-form input:focus,
        .card-form textarea:focus,
        .card-form select:focus {
            border-color: #d97706;
            outline: none;
        }
        .card-form textarea {
            min-height: 90px;
            resize: vertical;
        }
        .card-form .btn-submit {
            background: #1e293b;
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 60px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
            margin-top: 0.8rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .card-form .btn-submit:hover {
            background: #0f172a;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 0.3rem;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #d1d5db;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f59e0b;
        }
        friend-link {
            display: block;
            padding: 1.4rem 1rem;
            background: #f1f5f9;
            border-radius: 20px;
            margin: 1.8rem 0 0.8rem;
        }
        friend-link .fl-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: #334155;
            margin-bottom: 0.6rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        friend-link .fl-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
        }
        friend-link a {
            font-size: 0.9rem;
            color: #b45309;
            text-decoration: none;
            font-weight: 500;
            padding: 0.2rem 0;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        footer {
            border-top: 2px solid #e2e8f0;
            padding: 1.8rem 0 2.2rem;
            margin-top: 2rem;
            text-align: center;
            font-size: 0.85rem;
            color: #64748b;
        }
        footer .copyright {
            font-weight: 500;
            color: #1e293b;
        }
        footer a {
            color: #b45309;
            text-decoration: none;
        }
        footer a:hover {
            text-decoration: underline;
        }
        .badge {
            display: inline-block;
            background: #fef3c7;
            color: #92400e;
            padding: 0.15rem 0.8rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: #64748b;
            margin: 0.8rem 0 0.2rem;
            padding: 0.3rem 0;
        }
        .highlight-box {
            background: #fffbeb;
            border-left: 6px solid #f59e0b;
            padding: 1.2rem 1.5rem;
            border-radius: 12px;
            margin: 1.5rem 0;
        }
        .tip-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.2rem;
            margin: 1.5rem 0;
        }
        @media (min-width: 600px) {
            .tip-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .tip-card {
            background: #ffffff;
            border: 1px solid #e2e8f0;
            border-radius: 16px;
            padding: 1.4rem 1.2rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .tip-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.06);
        }
        .tip-card i {
            color: #d97706;
            font-size: 1.6rem;
            margin-bottom: 0.4rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            background: #f8fafc;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        th {
            background: #1e293b;
            color: #fff;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        .inline-icon {
            margin-right: 0.3rem;
        }