*,
        *::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, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 16px;
            max-width: 1200px;
            margin: 0 auto;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #1d4ed8;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 0.75rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .fas,
        .far,
        .fab {
            font-family: 'Font Awesome 6 Free', 'Font Awesome 5 Free', 'FontAwesome';
            font-weight: 900;
        }
        header {
            padding: 20px 0 12px;
            border-bottom: 2px solid #e2e8f0;
            margin-bottom: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f97316, #dc2626, #7c3aed);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-block;
            text-decoration: none;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.85;
        }
        .logo-sub {
            font-size: 0.7rem;
            display: block;
            color: #64748b;
            -webkit-text-fill-color: #64748b;
            letter-spacing: 1px;
            font-weight: 400;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-links {
            display: flex;
            gap: 6px 14px;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-links li a {
            font-weight: 500;
            font-size: 0.9rem;
            padding: 6px 10px;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
            color: #334155;
        }
        .nav-links li a:hover {
            background: #e2e8f0;
            color: #1e293b;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.6rem;
            background: none;
            border: none;
            cursor: pointer;
            color: #1e293b;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #e2e8f0;
        }
        .breadcrumb {
            font-size: 0.85rem;
            color: #64748b;
            padding: 8px 0 16px;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            gap: 4px 8px;
        }
        .breadcrumb a {
            color: #2563eb;
        }
        .breadcrumb span {
            color: #94a3b8;
        }
        main {
            padding: 8px 0 40px;
        }
        h1 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
            margin: 0.5rem 0 1rem;
            background: linear-gradient(135deg, #1e293b, #334155);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin: 2rem 0 0.8rem;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #f97316;
            color: #0f172a;
        }
        h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 1.6rem 0 0.6rem;
            color: #1e293b;
        }
        h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 1.2rem 0 0.4rem;
            color: #334155;
        }
        p {
            margin: 0.75rem 0;
            font-size: 1rem;
            color: #1e293b;
        }
        .content-section {
            background: #ffffff;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 20px 0;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
        }
        .content-section.alt {
            background: #f1f5f9;
        }
        .highlight-box {
            background: #fef9ef;
            border-left: 5px solid #f97316;
            padding: 14px 20px;
            border-radius: 8px;
            margin: 1rem 0;
        }
        .highlight-box.green {
            background: #f0fdf4;
            border-left-color: #22c55e;
        }
        .highlight-box.blue {
            background: #eff6ff;
            border-left-color: #3b82f6;
        }
        .emoji-big {
            font-size: 1.4rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
            border-radius: 10px;
            border: 1px solid #e2e8f0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
            min-width: 540px;
        }
        th,
        td {
            padding: 10px 14px;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        th {
            background: #f1f5f9;
            font-weight: 600;
            color: #0f172a;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f8fafc;
        }
        .form-card {
            background: #ffffff;
            border-radius: 14px;
            padding: 20px 22px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            border: 1px solid #e2e8f0;
            margin: 1.2rem 0;
        }
        .form-card input,
        .form-card textarea,
        .form-card select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid #cbd5e1;
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border 0.2s, box-shadow 0.2s;
            background: #fff;
            margin-bottom: 12px;
        }
        .form-card input:focus,
        .form-card textarea:focus,
        .form-card select:focus {
            outline: none;
            border-color: #f97316;
            box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
        }
        .form-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .form-card .btn {
            background: #f97316;
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-block;
        }
        .form-card .btn:hover {
            background: #ea580c;
            transform: translateY(-1px);
        }
        .form-card .btn:active {
            transform: translateY(0);
        }
        .form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .form-row>* {
            flex: 1 1 180px;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            margin: 8px 0 14px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.6rem;
            color: #cbd5e1;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
        }
        .featured-img {
            margin: 1.5rem 0;
            border-radius: 14px;
            overflow: hidden;
            background: #e2e8f0;
        }
        .featured-img img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }
        .img-caption {
            font-size: 0.85rem;
            color: #64748b;
            text-align: center;
            padding: 6px 0 2px;
        }
        friend-link {
            display: block;
            padding: 16px 0 8px;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 6px 14px;
            background: #f1f5f9;
            border-radius: 20px;
            font-size: 0.9rem;
            color: #1e293b;
            transition: background 0.2s, color 0.2s;
        }
        friend-link a:hover {
            background: #f97316;
            color: #fff;
            text-decoration: none;
        }
        footer {
            border-top: 2px solid #e2e8f0;
            padding: 24px 0 32px;
            margin-top: 32px;
            font-size: 0.9rem;
            color: #64748b;
            text-align: center;
        }
        footer .copyright {
            margin-top: 12px;
            font-size: 0.85rem;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 10px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .content-section {
                padding: 16px 14px;
            }
            header {
                padding: 12px 0 8px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #ffffff;
                padding: 12px 0 8px;
                border-top: 1px solid #e2e8f0;
                margin-top: 10px;
                gap: 2px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 10px 12px;
                font-size: 1rem;
            }
            .hamburger {
                display: block;
            }
            .breadcrumb {
                font-size: 0.78rem;
                padding: 4px 0 10px;
            }
            .form-row {
                flex-direction: column;
                gap: 0;
            }
            .table-wrap table {
                font-size: 0.82rem;
                min-width: 400px;
            }
            .featured-img img {
                max-height: 240px;
            }
            .star-rating label {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.35rem;
            }
            .content-section {
                padding: 12px 10px;
                border-radius: 10px;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .form-card {
                padding: 14px 12px;
            }
            .table-wrap table {
                font-size: 0.75rem;
                min-width: 300px;
            }
            th,
            td {
                padding: 6px 8px;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 28px;
            right: 28px;
            background: #f97316;
            color: #fff;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
            cursor: pointer;
            transition: background 0.2s, transform 0.2s;
            border: none;
            z-index: 99;
        }
        .scroll-top:hover {
            background: #ea580c;
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .scroll-top {
                bottom: 16px;
                right: 16px;
                width: 38px;
                height: 38px;
                font-size: 1.1rem;
            }
        }
        .tag {
            display: inline-block;
            background: #f1f5f9;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            color: #475569;
        }
        .tag.orange {
            background: #fef3c7;
            color: #b45309;
        }
        .tag.green {
            background: #dcfce7;
            color: #15803d;
        }
        .tag.blue {
            background: #dbeafe;
            color: #1e40af;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-0 {
            margin-top: 0;
        }
        .text-center {
            text-align: center;
        }
        .flex {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }