*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f5f7fb;
            color: #1e293b;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #1a56db;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #0f3a8e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .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, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(to right, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: #fbbf24;
            margin-right: 6px;
        }
        .my-logo span {
            font-weight: 300;
            -webkit-text-fill-color: #e2e8f0;
            font-size: 1.2rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e2e8f0;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.2s ease;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: rgba(251, 191, 36, 0.18);
            color: #fbbf24;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 6px;
        }
        .breadcrumb {
            background: #e9edf5;
            padding: 12px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d1d9e6;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #64748b;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #1a56db;
        }
        .breadcrumb .current {
            color: #475569;
            font-weight: 600;
        }
        .hero {
            padding: 40px 0 30px;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: #0f172a;
            margin-bottom: 16px;
        }
        .hero h1 i {
            color: #f59e0b;
        }
        .hero .sub {
            font-size: 1.2rem;
            color: #475569;
            max-width: 700px;
            margin: 0 auto 20px;
        }
        .hero .meta {
            font-size: 0.95rem;
            color: #64748b;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
        }
        .hero .meta i {
            margin-right: 6px;
            color: #f59e0b;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 20px 0 50px;
        }
        .main-content {
            background: #fff;
            border-radius: 20px;
            padding: 40px 36px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
        }
        .main-content h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 48px 0 18px;
            padding-bottom: 10px;
            border-bottom: 4px solid #fbbf24;
            color: #0f172a;
        }
        .main-content h2:first-of-type {
            margin-top: 0;
        }
        .main-content h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 32px 0 14px;
            color: #1e293b;
        }
        .main-content h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 24px 0 10px;
            color: #334155;
        }
        .main-content p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #1e293b;
        }
        .main-content ul,
        .main-content ol {
            margin: 12px 0 22px 28px;
        }
        .main-content li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        .main-content .highlight-box {
            background: #fef9e7;
            border-left: 5px solid #fbbf24;
            padding: 20px 24px;
            border-radius: 12px;
            margin: 24px 0;
        }
        .main-content .highlight-box strong {
            color: #0f172a;
        }
        .main-content .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .main-content .stat-card {
            background: #f1f5f9;
            padding: 20px 16px;
            border-radius: 14px;
            text-align: center;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .main-content .stat-card .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #1a56db;
            display: block;
        }
        .main-content .stat-card .label {
            font-size: 0.9rem;
            color: #475569;
            margin-top: 4px;
        }
        .main-content .feature-img {
            margin: 30px 0;
            border-radius: 16px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        .main-content .interview-block {
            background: #f8fafc;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 24px 0;
            border: 1px solid #e2e8f0;
        }
        .main-content .interview-block .quote {
            font-style: italic;
            font-size: 1.1rem;
            color: #1e293b;
            position: relative;
            padding-left: 28px;
        }
        .main-content .interview-block .quote::before {
            content: "\201C";
            font-size: 3rem;
            color: #fbbf24;
            position: absolute;
            left: -4px;
            top: -14px;
            font-family: serif;
        }
        .main-content .interview-block .attribution {
            margin-top: 12px;
            font-weight: 600;
            color: #0f172a;
        }
        .main-content .btn {
            display: inline-block;
            background: #1a56db;
            color: #fff;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.2s ease;
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }
        .main-content .btn:hover {
            background: #0f3a8e;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(26, 86, 219, 0.25);
            text-decoration: none;
            color: #fff;
        }
        .main-content .btn i {
            margin-right: 8px;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px 20px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
            margin-bottom: 24px;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #0f172a;
            border-bottom: 3px solid #fbbf24;
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            margin-bottom: 10px;
        }
        .sidebar-card ul li a {
            color: #1a56db;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card ul li a i {
            color: #f59e0b;
            font-size: 0.8rem;
        }
        .sidebar-card ul li a:hover {
            color: #0f3a8e;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 20px 0 30px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid #d1d9e6;
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #fbbf24;
        }
        .search-form button {
            background: #1a56db;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 12px 24px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #0f3a8e;
        }
        .feedback-section {
            margin-top: 50px;
            padding-top: 30px;
            border-top: 2px solid #e2e8f0;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 20px 0;
        }
        .feedback-card {
            background: #f8fafc;
            padding: 24px 28px;
            border-radius: 16px;
            border: 1px solid #e2e8f0;
        }
        .feedback-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #0f172a;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card textarea,
        .feedback-card input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #d1d9e6;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            resize: vertical;
            outline: none;
            transition: border 0.2s;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus {
            border-color: #fbbf24;
        }
        .feedback-card textarea {
            min-height: 90px;
        }
        .feedback-card .btn-submit {
            background: #f59e0b;
            color: #0f172a;
            border: none;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.2s;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .feedback-card .btn-submit:hover {
            background: #d97706;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #d1d9e6;
            cursor: pointer;
            margin: 8px 0 12px;
        }
        .star-rating i {
            transition: color 0.2s;
        }
        .star-rating i.active,
        .star-rating i:hover {
            color: #f59e0b;
        }
        .site-footer {
            background: #0f172a;
            color: #e2e8f0;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 30px;
            border-bottom: 1px solid #1e293b;
        }
        .footer-inner h4 {
            color: #fbbf24;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        .footer-inner ul {
            list-style: none;
            padding: 0;
        }
        .footer-inner ul li {
            margin-bottom: 8px;
        }
        .footer-inner ul li a {
            color: #cbd5e1;
            font-size: 0.9rem;
        }
        .footer-inner ul li a:hover {
            color: #fbbf24;
        }
        friend-link {
            display: block;
            margin: 20px 0 10px;
            font-size: 0.95rem;
            color: #94a3b8;
        }
        friend-link a {
            color: #94a3b8;
            margin: 0 6px;
        }
        friend-link a:hover {
            color: #fbbf24;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            font-size: 0.85rem;
            color: #64748b;
        }
        .copyright a {
            color: #94a3b8;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #1e293b;
                padding: 16px 12px;
                border-radius: 16px;
                margin-top: 8px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                border-radius: 10px;
                width: 100%;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero .sub {
                font-size: 1rem;
            }
            .main-content {
                padding: 24px 16px;
            }
            .main-content h2 {
                font-size: 1.6rem;
            }
            .main-content h3 {
                font-size: 1.25rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .main-content {
                padding: 16px 12px;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .feedback-card {
                padding: 16px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .last-updated {
            display: inline-block;
            background: #f1f5f9;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #475569;
            font-weight: 500;
        }
        .last-updated i {
            color: #f59e0b;
            margin-right: 6px;
        }