*, *::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, Roboto, 'Helvetica Neue', sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.8;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover, a:focus {
            color: #1d4ed8;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            background: linear-gradient(90deg, #facc15, #fb923c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            display: inline-block;
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: #facc15;
            margin-right: 6px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255,255,255,0.3);
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .nav-toggle:hover {
            border-color: #facc15;
            color: #facc15;
        }
        .main-nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e2e8f0;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        .main-nav a:hover, .main-nav a.active {
            background: rgba(255,255,255,0.12);
            color: #facc15;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 6px;
        }
        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid #e2e8f0;
            padding: 10px 0;
            font-size: 0.9rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #94a3b8;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #475569;
        }
        .breadcrumb a:hover {
            color: #2563eb;
        }
        .breadcrumb .current {
            color: #0f172a;
            font-weight: 600;
        }
        main {
            flex: 1;
            padding: 40px 0 60px;
        }
        .page-title {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 16px;
            color: #0f172a;
        }
        .page-title i {
            color: #facc15;
            margin-right: 12px;
        }
        .last-updated {
            display: inline-block;
            background: #e2e8f0;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #475569;
            margin-bottom: 24px;
        }
        .last-updated i {
            margin-right: 6px;
        }
        .intro-box {
            background: linear-gradient(135deg, #fef9c3, #fff7ed);
            border-left: 6px solid #facc15;
            padding: 24px 28px;
            border-radius: 12px;
            margin-bottom: 40px;
            font-size: 1.1rem;
        }
        .content-section {
            margin-bottom: 56px;
        }
        .content-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #0f172a;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 4px solid #facc15;
            display: inline-block;
        }
        .content-section h2 i {
            color: #facc15;
            margin-right: 10px;
        }
        .content-section h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #1e293b;
            margin: 28px 0 14px;
        }
        .content-section h3 i {
            color: #fb923c;
            margin-right: 8px;
        }
        .content-section h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #334155;
            margin: 20px 0 10px;
        }
        .content-section p {
            margin-bottom: 18px;
            color: #334155;
            font-size: 1.05rem;
        }
        .content-section ul, .content-section ol {
            margin: 12px 0 20px 28px;
            color: #334155;
        }
        .content-section li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        .highlight-box {
            background: #f1f5f9;
            border-radius: 12px;
            padding: 24px 28px;
            margin: 24px 0;
            border-left: 6px solid #3b82f6;
        }
        .highlight-box strong {
            color: #1d4ed8;
        }
        .tip-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.06);
            margin: 20px 0;
            border: 1px solid #e2e8f0;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .tip-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0,0,0,0.1);
        }
        .tip-card h4 {
            margin-top: 0;
        }
        .tip-card i {
            color: #facc15;
            font-size: 1.4rem;
            margin-right: 8px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 24px 0;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
            margin: 24px 0;
        }
        .stat-badge {
            display: inline-block;
            background: #1e293b;
            color: #facc15;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .img-wrapper {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0,0,0,0.1);
            margin: 28px 0;
            background: #e2e8f0;
        }
        .img-wrapper img {
            width: 100%;
            height: auto;
            display: block;
        }
        .img-caption {
            padding: 12px 20px;
            background: #f8fafc;
            font-size: 0.9rem;
            color: #64748b;
            border-top: 1px solid #e2e8f0;
        }
        .interview-block {
            background: #f0fdf4;
            border-radius: 16px;
            padding: 28px;
            margin: 28px 0;
            border-left: 6px solid #22c55e;
        }
        .interview-block .quote {
            font-style: italic;
            font-size: 1.1rem;
            color: #166534;
            padding: 12px 20px;
            background: rgba(255,255,255,0.6);
            border-radius: 10px;
            margin: 12px 0;
        }
        .interview-block .author {
            font-weight: 700;
            color: #0f172a;
        }
        .data-table-wrap {
            overflow-x: auto;
            margin: 24px 0;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.98rem;
        }
        .data-table th {
            background: #1e293b;
            color: #fff;
            padding: 14px 18px;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 12px 18px;
            border-bottom: 1px solid #e2e8f0;
        }
        .data-table tr:nth-child(even) {
            background: #f8fafc;
        }
        .data-table tr:hover {
            background: #f1f5f9;
        }
        .search-wrap {
            background: #fff;
            border: 2px solid #e2e8f0;
            border-radius: 50px;
            display: flex;
            align-items: center;
            padding: 4px 4px 4px 20px;
            max-width: 520px;
            margin: 24px 0;
            transition: border-color 0.3s ease;
        }
        .search-wrap:focus-within {
            border-color: #facc15;
        }
        .search-wrap input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 12px 8px;
            font-size: 1rem;
            outline: none;
            color: #1e293b;
            min-width: 0;
        }
        .search-wrap button {
            background: #facc15;
            border: none;
            color: #0f172a;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-wrap button:hover {
            background: #fbbf24;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin: 32px 0;
        }
        .feedback-card {
            background: #fff;
            border-radius: 16px;
            padding: 28px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
            border: 1px solid #e2e8f0;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.4rem;
        }
        .feedback-card h3 i {
            color: #facc15;
            margin-right: 8px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            color: #1e293b;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.3s ease;
            background: #f8fafc;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #facc15;
            outline: none;
            background: #fff;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            font-size: 1.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #cbd5e1;
            transition: color 0.2s ease;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #facc15;
        }
        .btn {
            background: #1e293b;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn:hover {
            background: #0f172a;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }
        .btn i {
            font-size: 1.1rem;
        }
        .btn-warning {
            background: #facc15;
            color: #0f172a;
        }
        .btn-warning:hover {
            background: #fbbf24;
            color: #0f172a;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 16px;
            margin: 20px 0;
            padding: 0;
            list-style: none;
        }
        .link-list-inline li a {
            background: #f1f5f9;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.92rem;
            color: #1e293b;
            transition: all 0.3s ease;
            border: 1px solid transparent;
            display: inline-block;
        }
        .link-list-inline li a:hover {
            background: #facc15;
            color: #0f172a;
            border-color: #facc15;
            text-decoration: none;
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 40px 0 20px;
            margin-top: auto;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-inner h4 {
            color: #facc15;
            font-size: 1.2rem;
            margin-bottom: 16px;
        }
        .footer-inner a {
            color: #94a3b8;
            display: inline-block;
            margin-bottom: 6px;
        }
        .footer-inner a:hover {
            color: #facc15;
        }
        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: #64748b;
        }
        friend-link {
            display: block;
            margin-top: 12px;
            font-size: 0.95rem;
        }
        friend-link a {
            color: #94a3b8;
            margin: 0 8px;
        }
        friend-link a:hover {
            color: #facc15;
        }
        @media (max-width: 900px) {
            .grid-2, .grid-3 {
                grid-template-columns: 1fr;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .page-title {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #1e293b;
                padding: 16px 0;
                border-radius: 12px;
                margin-top: 12px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 20px;
                width: 100%;
                border-radius: 0;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .page-title {
                font-size: 1.7rem;
            }
            .content-section h2 {
                font-size: 1.5rem;
            }
            .content-section h3 {
                font-size: 1.25rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .search-wrap {
                max-width: 100%;
                flex-wrap: wrap;
                border-radius: 16px;
                padding: 4px;
            }
            .search-wrap input {
                padding: 10px 12px;
                width: 100%;
            }
            .search-wrap button {
                width: 100%;
                justify-content: center;
                border-radius: 12px;
            }
            .star-rating {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .page-title {
                font-size: 1.4rem;
            }
            .intro-box {
                padding: 16px 18px;
                font-size: 1rem;
            }
            .tip-card {
                padding: 18px;
            }
            .feedback-card {
                padding: 20px;
            }
        }
        @media print {
            .site-header, .site-footer, .search-wrap, .feedback-grid, .nav-toggle {
                display: none !important;
            }
            body {
                background: #fff;
                color: #000;
            }
            .page-title {
                color: #000;
            }
        }