* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #f8f9fc;
            color: #1e1e2f;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #d4380d;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #b23b0a;
            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, #1a1a2e 0%, #16213e 100%);
            color: #fff;
            padding: 14px 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: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f7971e, #ffd200);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(247, 151, 30, 0.2);
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            -webkit-text-fill-color: transparent;
        }
        .my-logo a:hover {
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            display: block;
            -webkit-text-fill-color: rgba(255, 255, 255, 0.6);
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.5px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #f0e6d3;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: rgba(255, 210, 0, 0.15);
            color: #ffd200;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s ease;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .breadcrumbs {
            background: #fff;
            padding: 12px 0;
            border-bottom: 1px solid #e9ecef;
            font-size: 0.85rem;
            color: #6c757d;
        }
        .breadcrumbs ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 0;
            margin: 0;
        }
        .breadcrumbs li+li::before {
            content: "›";
            margin-right: 12px;
            color: #adb5bd;
            font-weight: 700;
        }
        .breadcrumbs a {
            color: #d4380d;
        }
        .breadcrumbs .current {
            color: #1e1e2f;
            font-weight: 600;
        }
        .main-content {
            padding: 40px 0 60px;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: #1a1a2e;
            margin-bottom: 0.5rem;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #1a1a2e;
            margin-top: 3rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #f7971e;
            display: inline-block;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #2d2d44;
            margin-top: 2.2rem;
            margin-bottom: 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #3d3d5c;
            margin-top: 1.6rem;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .lead {
            font-size: 1.2rem;
            color: #2d2d44;
            font-weight: 400;
            line-height: 1.8;
        }
        .featured-image {
            margin: 2rem 0 2.5rem;
            border-radius: 16px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
            overflow: hidden;
        }
        .featured-image img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 12px 16px;
            background: #fff;
            font-size: 0.9rem;
            color: #6c757d;
            border-top: 1px solid #e9ecef;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff7ed, #fff3e0);
            border-left: 5px solid #f7971e;
            padding: 20px 24px;
            border-radius: 12px;
            margin: 1.8rem 0;
            box-shadow: 0 2px 12px rgba(247, 151, 30, 0.08);
        }
        .highlight-box strong {
            color: #d4380d;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 2rem 0;
        }
        .stat-card {
            background: #fff;
            padding: 24px 20px;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #f0f0f0;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
        }
        .stat-card .num {
            font-size: 2.4rem;
            font-weight: 800;
            color: #f7971e;
            display: block;
        }
        .stat-card .label {
            font-size: 0.95rem;
            color: #5a5a7a;
            margin-top: 4px;
        }
        .interview-block {
            background: #fff;
            border-radius: 16px;
            padding: 28px 30px;
            margin: 2rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #f0f0f5;
        }
        .interview-block .meta {
            font-size: 0.85rem;
            color: #8a8aaa;
            margin-bottom: 12px;
        }
        .interview-block .quote {
            font-style: italic;
            font-size: 1.1rem;
            color: #2d2d44;
            padding-left: 20px;
            border-left: 4px solid #f7971e;
        }
        .form-section {
            background: #fff;
            border-radius: 16px;
            padding: 28px 30px;
            margin: 2.5rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #f0f0f5;
        }
        .form-section h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            color: #1e1e2f;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e2e2ee;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            background: #fafafe;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #f7971e;
            box-shadow: 0 0 0 4px rgba(247, 151, 30, 0.12);
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: linear-gradient(135deg, #f7971e, #ffd200);
            color: #1a1a2e;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            border-radius: 30px;
            cursor: pointer;
            transition: all 0.25s ease;
            box-shadow: 0 4px 14px rgba(247, 151, 30, 0.3);
        }
        .btn:hover,
        .btn:focus {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(247, 151, 30, 0.35);
            background: linear-gradient(135deg, #e8890e, #f0c800);
        }
        .btn-secondary {
            background: #1a1a2e;
            color: #fff;
            box-shadow: 0 4px 14px rgba(26, 26, 46, 0.2);
        }
        .btn-secondary:hover {
            background: #2d2d4e;
            color: #fff;
            box-shadow: 0 8px 24px rgba(26, 26, 46, 0.25);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            font-size: 2rem;
            cursor: pointer;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ddd;
            transition: color 0.15s ease;
            cursor: pointer;
        }
        .star-rating label i {
            font-size: 2rem;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f7b731;
        }
        .related-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 12px;
            margin: 1.5rem 0 2rem;
        }
        .related-links a {
            display: block;
            background: #fff;
            padding: 12px 18px;
            border-radius: 12px;
            border: 1px solid #e9ecef;
            font-weight: 500;
            transition: all 0.2s ease;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
        }
        .related-links a:hover {
            border-color: #f7971e;
            background: #fffaf0;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(247, 151, 30, 0.1);
            text-decoration: none;
        }
        .related-links a i {
            color: #f7971e;
            margin-right: 8px;
        }
        .site-footer {
            background: #1a1a2e;
            color: #c8c8e0;
            padding: 40px 0 24px;
            margin-top: 40px;
        }
        .site-footer a {
            color: #ffd200;
        }
        .site-footer a:hover {
            color: #fff;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-bottom: 28px;
        }
        .footer-grid h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-top: 0;
            margin-bottom: 12px;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
        }
        .footer-grid li {
            margin-bottom: 6px;
        }
        .footer-grid li a {
            font-size: 0.9rem;
            opacity: 0.85;
        }
        .footer-grid li a:hover {
            opacity: 1;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #8a8aaa;
        }
        .copyright strong {
            color: #ffd200;
        }
        friend-link {
            display: block;
            margin: 12px 0;
            font-size: 0.9rem;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 14px;
            background: rgba(255, 210, 0, 0.08);
            border-radius: 20px;
            color: #ffd200;
            font-weight: 500;
        }
        friend-link a:hover {
            background: rgba(255, 210, 0, 0.18);
            text-decoration: none;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: nowrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: #1a1a2e;
                padding: 16px 12px;
                border-radius: 16px;
                margin-top: 8px;
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                border-radius: 10px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .container {
                padding: 0 16px;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .related-links {
                grid-template-columns: 1fr 1fr;
            }
            .form-section {
                padding: 20px;
            }
            .interview-block {
                padding: 20px;
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .related-links {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.7rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        .last-updated {
            display: inline-block;
            background: #e9ecef;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #5a5a7a;
            margin-bottom: 1rem;
        }
        .tag {
            display: inline-block;
            background: #fff3e0;
            color: #d4380d;
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.4rem;
        }
        hr {
            border: none;
            height: 2px;
            background: linear-gradient(90deg, transparent, #f7971e, transparent);
            margin: 2.5rem 0;
        }
        .toc {
            background: #fff;
            padding: 20px 24px;
            border-radius: 16px;
            border: 1px solid #e9ecef;
            margin: 1.5rem 0 2.5rem;
        }
        .toc ul {
            list-style: none;
            padding-left: 0;
            columns: 2;
            column-gap: 30px;
        }
        .toc li {
            margin-bottom: 6px;
            break-inside: avoid;
        }
        .toc a {
            font-weight: 500;
        }
        @media (max-width: 600px) {
            .toc ul {
                columns: 1;
            }
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #1a1a2e;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            transition: all 0.25s ease;
            opacity: 0.7;
            z-index: 999;
        }
        .back-to-top:hover {
            opacity: 1;
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
        }
        @media (max-width: 600px) {
            .back-to-top {
                bottom: 16px;
                right: 16px;
                width: 40px;
                height: 40px;
                font-size: 1.2rem;
            }
        }