*,
        *::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;
            line-height: 1.7;
            color: #1e293b;
            background: #f8fafc;
            padding: 0 1rem;
        }
        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: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        hr {
            border: none;
            border-top: 2px solid #e2e8f0;
            margin: 2.5rem 0;
        }
        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .site-header {
            background: #ffffff;
            border-bottom: 2px solid #e2e8f0;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(8px);
            background: rgba(255, 255, 255, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f59e0b, #ef4444);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #f59e0b;
            font-size: 1.8rem;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .nav-menu {
            display: flex;
            gap: 1.2rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-menu a {
            font-weight: 600;
            font-size: 0.95rem;
            color: #1e293b;
            padding: 0.4rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .nav-menu a:hover {
            border-bottom-color: #f59e0b;
            color: #f59e0b;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1e293b;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: color 0.2s;
        }
        .hamburger:hover {
            color: #f59e0b;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            padding: 0.8rem 0 0.2rem 0;
            font-size: 0.9rem;
            color: #64748b;
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #94a3b8;
            font-weight: 700;
            margin-right: 0.4rem;
        }
        .breadcrumb a {
            color: #2563eb;
        }
        .breadcrumb a:hover {
            color: #1d4ed8;
        }
        main {
            padding: 2rem 0 3rem;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 1.5rem 0;
            color: #0f172a;
            border-left: 6px solid #f59e0b;
            padding-left: 1.2rem;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 2.5rem 0 1rem 0;
            color: #0f172a;
            border-bottom: 3px solid #e2e8f0;
            padding-bottom: 0.5rem;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin: 2rem 0 0.8rem 0;
            color: #1e293b;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 1.5rem 0 0.5rem 0;
            color: #334155;
        }
        p {
            margin: 0 0 1.2rem 0;
            color: #334155;
        }
        .content-section {
            background: #ffffff;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            margin-bottom: 2.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
            border: 1px solid #f1f5f9;
        }
        .content-section p:last-child {
            margin-bottom: 0;
        }
        .highlight-box {
            background: #fef9e7;
            border-left: 6px solid #f59e0b;
            padding: 1.2rem 1.6rem;
            border-radius: 12px;
            margin: 1.5rem 0;
        }
        .highlight-box p {
            margin: 0.3rem 0;
            color: #7c3a00;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .featured-image figcaption {
            font-size: 0.85rem;
            color: #64748b;
            text-align: center;
            padding: 0.8rem 0 0 0;
            font-style: italic;
        }
        .form-card {
            background: #ffffff;
            border-radius: 18px;
            padding: 1.8rem 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #f1f5f9;
            margin: 2rem 0;
        }
        .form-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #1e293b;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.2s;
            background: #f8fafc;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #f59e0b;
            background: #ffffff;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.7rem 1.8rem;
            background: linear-gradient(135deg, #f59e0b, #ef4444);
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.4);
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn-secondary {
            background: #e2e8f0;
            color: #1e293b;
            box-shadow: none;
        }
        .btn-secondary:hover {
            background: #cbd5e1;
            box-shadow: none;
            transform: translateY(-1px);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 0.3rem;
            justify-content: flex-start;
            font-size: 2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #cbd5e1;
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
            transform: scale(1.05);
        }
        .star-rating label i {
            pointer-events: none;
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 2.5rem 0 1.5rem;
            border-radius: 24px 24px 0 0;
            margin-top: 3rem;
        }
        .site-footer a {
            color: #94a3b8;
        }
        .site-footer a:hover {
            color: #f59e0b;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #f1f5f9;
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }
        .footer-inner p {
            color: #94a3b8;
            font-size: 0.95rem;
        }
        .friend-link {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .friend-link a {
            padding: 0.2rem 0;
            border-bottom: 1px solid #1e293b;
        }
        .copyright {
            border-top: 1px solid #1e293b;
            margin-top: 2rem;
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.85rem;
            color: #64748b;
        }
        .copyright a {
            color: #94a3b8;
        }
        @media (max-width: 900px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .footer-inner>div:first-child {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.6rem;
            }
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.2rem;
                padding: 1rem 0 0.5rem 0;
                border-top: 1px solid #e2e8f0;
                margin-top: 0.5rem;
            }
            .nav-menu.show {
                display: flex;
            }
            .nav-menu a {
                padding: 0.6rem 0.8rem;
                border-radius: 8px;
                width: 100%;
            }
            .nav-menu a:hover {
                background: #fef9e7;
                border-bottom-color: transparent;
            }
            .content-section {
                padding: 1.2rem 1rem;
            }
            h1 {
                font-size: 1.8rem;
                padding-left: 0.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .form-card {
                padding: 1.2rem 1rem;
            }
            .star-rating {
                font-size: 1.6rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            html {
                font-size: 15px;
            }
            .header-inner {
                gap: 0.4rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .btn {
                padding: 0.6rem 1.4rem;
                font-size: 0.9rem;
            }
        }
        .tag {
            display: inline-block;
            background: #f1f5f9;
            padding: 0.2rem 0.9rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #475569;
        }
        .tag.gold {
            background: #fef3c7;
            color: #b45309;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stat-card {
            background: #f8fafc;
            padding: 1.2rem;
            border-radius: 14px;
            text-align: center;
            border: 1px solid #e2e8f0;
        }
        .stat-card .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f59e0b;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #64748b;
            margin-top: 0.2rem;
        }
        .last-updated {
            display: inline-block;
            font-size: 0.85rem;
            color: #64748b;
            background: #f1f5f9;
            padding: 0.3rem 1rem;
            border-radius: 50px;
            margin-bottom: 1.5rem;
        }
        .last-updated i {
            margin-right: 0.4rem;
        }
        .anchor-offset {
            scroll-margin-top: 100px;
        }