*,
        *::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, sans-serif;
            background: #f5f7fc;
            color: #1e293b;
            line-height: 1.8;
            padding: 0 1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.04);
            border-radius: 28px 28px 0 0;
            overflow: hidden;
            padding: 1.5rem 2rem 2rem;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.75rem;
            border-bottom: 2px solid #eef2f7;
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            text-decoration: none;
            color: #0f172a;
            background: linear-gradient(135deg, #f59e0b, #e11d48);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #e11d48;
            font-size: 1.8rem;
        }
        .my-logo span {
            font-size: 0.9rem;
            font-weight: 400;
            -webkit-text-fill-color: #64748b;
            display: block;
            letter-spacing: 0.3px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }
        .main-nav {
            display: flex;
            gap: 0.25rem;
            flex-wrap: wrap;
            list-style: none;
        }
        .main-nav a {
            text-decoration: none;
            color: #334155;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 40px;
            transition: all 0.2s ease;
            font-size: 0.9rem;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            background: #f1f5f9;
            color: #0f172a;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .main-nav a.active {
            background: #0f172a;
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #0f172a;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f1f5f9;
        }
        .breadcrumb {
            padding: 0.75rem 0 0.25rem;
            font-size: 0.85rem;
            color: #64748b;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            align-items: center;
        }
        .breadcrumb a {
            color: #3b82f6;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #94a3b8;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 1.5rem 0 0.75rem;
            color: #0f172a;
            letter-spacing: -1px;
        }
        h1 i {
            color: #f59e0b;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 2.2rem 0 1rem;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #f1f5f9;
            color: #0f172a;
        }
        h3 {
            font-size: 1.45rem;
            font-weight: 600;
            margin: 1.8rem 0 0.8rem;
            color: #1e293b;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 1.2rem 0 0.5rem;
            color: #334155;
        }
        p {
            margin-bottom: 1rem;
            color: #334155;
        }
        strong {
            color: #0f172a;
            font-weight: 700;
        }
        .highlight {
            background: #fef9c3;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
        }
        .content-card {
            background: #f8fafc;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 1.5rem 0;
            border-left: 5px solid #f59e0b;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
        }
        .content-card.blue {
            border-left-color: #3b82f6;
        }
        .content-card.green {
            border-left-color: #10b981;
        }
        .content-card.pink {
            border-left-color: #ec4899;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.2rem;
            margin: 1.5rem 0;
        }
        .stat-item {
            background: #fff;
            border-radius: 14px;
            padding: 1.2rem 1rem;
            text-align: center;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef2f7;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .stat-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
        }
        .stat-item .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #e11d48;
            display: block;
        }
        .stat-item .label {
            font-size: 0.9rem;
            color: #64748b;
            font-weight: 500;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 0.75rem 1.2rem;
            background: #f8fafc;
            font-size: 0.85rem;
            color: #64748b;
            border-top: 1px solid #eef2f7;
        }
        .resource-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1rem;
            margin: 1.2rem 0;
            padding: 0;
            list-style: none;
        }
        .resource-links li a {
            text-decoration: none;
            background: #f1f5f9;
            padding: 0.35rem 1rem;
            border-radius: 40px;
            font-size: 0.9rem;
            color: #1e293b;
            font-weight: 500;
            transition: all 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .resource-links li a:hover {
            background: #0f172a;
            color: #fff;
            transform: scale(1.02);
        }
        .search-block {
            background: #f1f5f9;
            border-radius: 60px;
            padding: 0.3rem 0.3rem 0.3rem 1.5rem;
            display: flex;
            align-items: center;
            max-width: 480px;
            margin: 1.5rem 0;
            border: 1px solid #e2e8f0;
            transition: border 0.2s, box-shadow 0.2s;
        }
        .search-block:focus-within {
            border-color: #3b82f6;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
        }
        .search-block input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0.8rem 0;
            font-size: 1rem;
            outline: none;
            color: #0f172a;
            font-family: inherit;
        }
        .search-block input::placeholder {
            color: #94a3b8;
        }
        .search-block button {
            background: #0f172a;
            border: none;
            color: #fff;
            padding: 0.65rem 1.6rem;
            border-radius: 60px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-family: inherit;
        }
        .search-block button:hover {
            background: #1e293b;
            transform: scale(1.02);
        }
        .search-block button:active {
            transform: scale(0.98);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2rem 0 1.5rem;
        }
        .feedback-card {
            background: #f8fafc;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            border: 1px solid #eef2f7;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.5rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border-radius: 10px;
            border: 1px solid #e2e8f0;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            transition: border 0.2s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #3b82f6;
            outline: none;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            background: #0f172a;
            color: #fff;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            align-self: flex-start;
            font-family: inherit;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card .btn-submit:hover {
            background: #1e293b;
            transform: scale(1.02);
        }
        .feedback-card .btn-submit:active {
            transform: scale(0.98);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.25rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #cbd5e1;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
        }
        .site-footer {
            margin-top: 3rem;
            padding: 2rem 0 1.5rem;
            border-top: 2px solid #eef2f7;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-col {
            flex: 1 1 200px;
        }
        .footer-col h4 {
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
            color: #0f172a;
        }
        .footer-col a {
            display: block;
            color: #3b82f6;
            text-decoration: none;
            padding: 0.2rem 0;
            font-size: 0.95rem;
        }
        .footer-col a:hover {
            text-decoration: underline;
        }
        friend-link {
            display: block;
            margin: 1.2rem 0 0.8rem;
            font-weight: 500;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            color: #3b82f6;
            text-decoration: none;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            margin-top: 1rem;
            border-top: 1px solid #eef2f7;
            font-size: 0.85rem;
            color: #64748b;
        }
        .copyright strong {
            color: #0f172a;
        }
        .last-updated {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #f1f5f9;
            padding: 0.3rem 1.2rem;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #475569;
            margin: 0.5rem 0 1rem;
        }
        @media (max-width: 768px) {
            .container {
                padding: 1rem 1.2rem 1.5rem;
                border-radius: 16px 16px 0 0;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .site-header {
                flex-wrap: nowrap;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 1rem 0 0.5rem;
                border-top: 1px solid #eef2f7;
                margin-top: 0.5rem;
            }
            .main-nav.open {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .nav-wrapper {
                flex-wrap: wrap;
                justify-content: flex-end;
                flex: 1;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .feedback-card {
                padding: 1.2rem 1.2rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .search-block {
                max-width: 100%;
                flex-wrap: wrap;
                border-radius: 30px;
                padding: 0.3rem 0.3rem 0.3rem 1rem;
            }
            .search-block input {
                padding: 0.6rem 0;
                width: 100%;
            }
            .search-block button {
                width: 100%;
                justify-content: center;
                padding: 0.6rem 1rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                gap: 0.2rem;
                flex-wrap: wrap;
            }
            .footer-content {
                flex-direction: column;
                gap: 1.2rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            .content-card {
                padding: 1rem 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .resource-links {
                flex-direction: column;
                gap: 0.4rem;
            }
            .resource-links li a {
                width: 100%;
                justify-content: center;
            }
        }
        .emoji-lg {
            font-size: 1.8rem;
            line-height: 1;
        }
        .divider {
            height: 2px;
            background: linear-gradient(to right, #f1f5f9, #e2e8f0, #f1f5f9);
            margin: 2rem 0;
            border: none;
        }
        .tag {
            display: inline-block;
            background: #eef2f7;
            padding: 0.2rem 0.8rem;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #475569;
            text-transform: uppercase;
            letter-spacing: 0.3px;
        }
        .quote {
            font-style: italic;
            padding: 1rem 1.5rem;
            background: #f1f5f9;
            border-radius: 12px;
            border-left: 4px solid #f59e0b;
            margin: 1.2rem 0;
            color: #1e293b;
        }
        .quote strong {
            font-style: normal;
        }
        a {
            color: #3b82f6;
            text-decoration: none;
        }
        a:hover {
            text-decoration: underline;
        }