*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #f5f7fa;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 1rem 2rem;
            max-width: 1280px;
            margin: 0 auto;
        }
        a {
            color: #0c4a6e;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #0369a1;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: 24px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.06);
            padding: 1.5rem 2rem 2rem;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 0.5rem;
            color: #0f172a;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 2.5rem 0 1rem;
            color: #0f172a;
            border-left: 5px solid #f59e0b;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            margin: 1.8rem 0 0.6rem;
            color: #1e293b;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 1.2rem 0 0.4rem;
            color: #334155;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #1e293b;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #334155;
            background: #f8fafc;
            padding: 1.2rem 1.5rem;
            border-radius: 16px;
            border-left: 4px solid #f59e0b;
        }
        .gold {
            color: #b45309;
        }
        .highlight {
            background: #fef3c7;
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .small-meta {
            font-size: 0.85rem;
            color: #64748b;
            margin-top: -0.4rem;
            margin-bottom: 1.2rem;
        }
        .last-updated {
            display: inline-block;
            background: #e2e8f0;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #334155;
            margin-bottom: 1rem;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0 0.6rem;
            border-bottom: 2px solid #e2e8f0;
            margin-bottom: 0.8rem;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 900;
            background: linear-gradient(135deg, #0f172a 0%, #f59e0b 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.03em;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #f59e0b;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #64748b;
            font-weight: 400;
            display: block;
            line-height: 1;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 1.8rem;
            align-items: center;
            font-weight: 500;
        }
        .nav-list a {
            color: #1e293b;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .nav-list a:hover {
            border-bottom-color: #f59e0b;
            color: #0f172a;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #0f172a;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.4rem 0.8rem;
            padding: 0.6rem 0 0.2rem;
            font-size: 0.85rem;
            color: #64748b;
            background: #f1f5f9;
            border-radius: 40px;
            padding: 0.5rem 1.2rem;
            margin-bottom: 1.5rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #94a3b8;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #0c4a6e;
        }
        .breadcrumb .current {
            color: #334155;
            font-weight: 600;
        }
        .feature-image {
            margin: 1.8rem 0 2.2rem;
            border-radius: 18px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            overflow: hidden;
        }
        .feature-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .feature-image img:hover {
            transform: scale(1.01);
        }
        .feature-image figcaption {
            background: #f8fafc;
            padding: 0.6rem 1.2rem;
            font-size: 0.9rem;
            color: #475569;
            border-top: 1px solid #e2e8f0;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2rem 0;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
            margin: 2rem 0;
        }
        .card {
            background: #f8fafc;
            border-radius: 18px;
            padding: 1.6rem 1.8rem;
            border: 1px solid #eef2f6;
            transition: box-shadow 0.25s, transform 0.2s;
        }
        .card:hover {
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.05);
            transform: translateY(-3px);
        }
        .card h3 {
            margin-top: 0;
        }
        .card i {
            color: #f59e0b;
            font-size: 1.4rem;
            margin-bottom: 0.5rem;
            display: inline-block;
        }
        .stat-highlight {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem 2rem;
            background: #0f172a;
            color: #fff;
            padding: 1.6rem 2rem;
            border-radius: 20px;
            margin: 2rem 0;
            justify-content: space-around;
        }
        .stat-item {
            text-align: center;
        }
        .stat-item .num {
            font-size: 2.4rem;
            font-weight: 800;
            color: #f59e0b;
            display: block;
            line-height: 1.2;
        }
        .stat-item .label {
            font-size: 0.85rem;
            color: #cbd5e1;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .interview-block {
            background: #f1f5f9;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            margin: 2rem 0;
            border-left: 6px solid #f59e0b;
        }
        .interview-block .speaker {
            font-weight: 700;
            color: #0f172a;
        }
        .interview-block .speaker::before {
            content: "🗣️ ";
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.4rem 0;
        }
        .feedback-card {
            background: #f8fafc;
            border-radius: 20px;
            padding: 1.8rem 2rem;
            border: 1px solid #e2e8f0;
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border: 1px solid #cbd5e1;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            background: #fff;
            transition: border-color 0.2s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            outline: none;
            border-color: #f59e0b;
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .btn {
            background: #0f172a;
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            width: fit-content;
        }
        .btn:hover {
            background: #1e293b;
            transform: scale(1.02);
        }
        .btn i {
            font-size: 0.9rem;
        }
        .btn-gold {
            background: #f59e0b;
            color: #0f172a;
        }
        .btn-gold:hover {
            background: #d97706;
        }
        .related-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.2rem;
            padding: 1.2rem 0;
            margin: 1.4rem 0;
        }
        .related-links a {
            background: #f1f5f9;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            border: 1px solid #e2e8f0;
            transition: background 0.2s, border-color 0.2s;
        }
        .related-links a:hover {
            background: #fef3c7;
            border-color: #f59e0b;
            text-decoration: none;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            max-width: 520px;
            margin: 1.2rem 0 2rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1.2rem;
            border: 1px solid #cbd5e1;
            border-radius: 40px;
            font-size: 1rem;
            font-family: inherit;
            background: #fff;
            transition: border-color 0.2s;
        }
        .search-form input:focus {
            outline: none;
            border-color: #f59e0b;
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.12);
        }
        .search-form button {
            border-radius: 40px;
            padding: 0.7rem 1.6rem;
            background: #0f172a;
            color: #fff;
            border: none;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-form button:hover {
            background: #1e293b;
        }
        .site-footer {
            margin-top: 3.5rem;
            padding-top: 2rem;
            border-top: 2px solid #e2e8f0;
        }
        friend-link {
            display: block;
            background: #f1f5f9;
            border-radius: 20px;
            padding: 1.6rem 2rem;
            margin-bottom: 1.6rem;
        }
        friend-link .fl-title {
            font-weight: 700;
            font-size: 1rem;
            color: #0f172a;
            margin-bottom: 0.8rem;
            display: block;
        }
        friend-link .fl-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            list-style: none;
        }
        friend-link .fl-list a {
            font-size: 0.9rem;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        friend-link .fl-list a:hover {
            background: #e2e8f0;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            font-size: 0.85rem;
            color: #64748b;
            padding: 1.2rem 0 0.2rem;
            border-top: 1px solid #e2e8f0;
            margin-top: 1.2rem;
        }
        .copyright strong {
            color: #0f172a;
        }
        @media (max-width: 900px) {
            .grid-2,
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .grid-3 {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 1rem 1.2rem 1.5rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                right: 0;
                background: #ffffff;
                border: 1px solid #e2e8f0;
                border-radius: 20px;
                padding: 1.2rem 1.8rem;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
                width: 220px;
                gap: 0.8rem;
                z-index: 100;
            }
            .nav-list a {
                font-size: 1rem;
                border-bottom: none;
                padding: 0.4rem 0;
            }
            .hamburger {
                display: block;
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
            }
            .stat-highlight {
                flex-direction: column;
                gap: 1rem;
                padding: 1.2rem;
            }
            .stat-item .num {
                font-size: 1.8rem;
            }
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .interview-block {
                padding: 1.4rem 1.2rem;
            }
            .feedback-card {
                padding: 1.2rem 1.2rem;
            }
            .related-links {
                gap: 0.5rem 0.8rem;
            }
            .search-form {
                flex-direction: column;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 0.4rem 0.8rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.4rem 1rem;
            }
            .container {
                padding: 0.8rem 0.8rem 1.2rem;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.2rem;
                padding-left: 0.6rem;
            }
            .lead {
                font-size: 1rem;
                padding: 0.8rem 1rem;
            }
            .card {
                padding: 1rem 1.2rem;
            }
            .stat-item .num {
                font-size: 1.6rem;
            }
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .text-center {
            text-align: center;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .gap-1 {
            gap: 1rem;
        }