*,
        *::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, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #f8f9fc;
            color: #1e1e2a;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #4a6cf7;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus-visible {
            color: #2e4ad1;
            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: 0 1.5rem 2rem;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0;
            border-bottom: 1px solid #e9edf4;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #1e1e2a;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #4a6cf7, #8854f7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.85;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #6c7a8e;
            color: #6c7a8e;
            display: block;
            letter-spacing: 0.3px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        nav a {
            font-weight: 500;
            font-size: 0.95rem;
            color: #2c3e50;
            padding: 0.4rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        nav a:hover {
            border-bottom-color: #4a6cf7;
            color: #4a6cf7;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.6rem;
            background: none;
            border: none;
            cursor: pointer;
            color: #1e1e2a;
            padding: 0.2rem 0.4rem;
        }
        #nav-toggle {
            display: none;
        }
        .search-header {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-header form {
            display: flex;
            align-items: center;
            background: #f1f4fa;
            border-radius: 40px;
            padding: 0.2rem 0.2rem 0.2rem 1rem;
            transition: background 0.2s;
        }
        .search-header form:focus-within {
            background: #e8ecf6;
        }
        .search-header input {
            border: none;
            background: transparent;
            padding: 0.5rem 0.2rem;
            font-size: 0.9rem;
            outline: none;
            min-width: 120px;
            color: #1e1e2a;
        }
        .search-header button {
            background: #4a6cf7;
            border: none;
            color: #fff;
            border-radius: 40px;
            padding: 0.5rem 1rem;
            font-size: 0.85rem;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .search-header button:hover {
            background: #2e4ad1;
        }
        .breadcrumb {
            padding: 1rem 0 0.2rem;
            font-size: 0.85rem;
            color: #6c7a8e;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #b0b9c9;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #4a6cf7;
        }
        .breadcrumb .current {
            color: #1e1e2a;
            font-weight: 500;
        }
        main {
            padding: 1.5rem 0 2.5rem;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 1rem 0 1.5rem;
            background: linear-gradient(135deg, #1e1e2a 0%, #4a6cf7 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 2.2rem 0 1rem;
            color: #1a1a2e;
            border-left: 5px solid #4a6cf7;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 1.8rem 0 0.8rem;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 1.2rem 0 0.5rem;
            color: #34495e;
        }
        p {
            margin: 0 0 1.2rem;
            color: #2c3e50;
        }
        .content-section {
            max-width: 820px;
            margin: 0 auto;
        }
        .hero-img {
            margin: 1.8rem 0 2.2rem;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .highlight-box {
            background: #f0f4ff;
            border-left: 6px solid #4a6cf7;
            padding: 1.2rem 1.8rem;
            border-radius: 0 16px 16px 0;
            margin: 1.8rem 0;
        }
        .highlight-box p {
            margin: 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.2rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: #f8f9fc;
            border-radius: 16px;
            padding: 1.4rem 1rem;
            text-align: center;
            border: 1px solid #e9edf4;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.06);
        }
        .stat-card .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #4a6cf7;
            display: block;
        }
        .stat-card .label {
            font-size: 0.95rem;
            color: #5a6a7e;
            margin-top: 0.3rem;
        }
        .interview-block {
            background: #fafbff;
            border-radius: 20px;
            padding: 1.8rem 2rem;
            margin: 2rem 0;
            border: 1px solid #e4e9f2;
        }
        .interview-block .q {
            font-weight: 700;
            color: #1e1e2a;
        }
        .interview-block .a {
            margin-left: 0.5rem;
            color: #2c3e50;
        }
        .faq-item {
            border-bottom: 1px solid #e9edf4;
            padding: 1rem 0;
        }
        .faq-item strong {
            display: block;
            font-size: 1.05rem;
            margin-bottom: 0.3rem;
        }
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin: 1.2rem 0;
        }
        .tag-list a {
            background: #eef2f9;
            padding: 0.3rem 1rem;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            color: #2c3e50;
            transition: background 0.2s, color 0.2s;
        }
        .tag-list a:hover {
            background: #4a6cf7;
            color: #fff;
            text-decoration: none;
        }
        .update-info {
            font-size: 0.9rem;
            color: #6c7a8e;
            margin: 2rem 0 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .interact-area {
            max-width: 820px;
            margin: 2.5rem auto;
            padding-top: 1.5rem;
            border-top: 2px solid #e9edf4;
        }
        .interact-area h2 {
            border-left-color: #8854f7;
        }
        .form-group {
            margin: 1rem 0;
        }
        .form-group label {
            font-weight: 600;
            display: block;
            margin-bottom: 0.3rem;
            color: #1e1e2a;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid #d0d7e5;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            background: #f9fafc;
            transition: border 0.2s, box-shadow 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #4a6cf7;
            box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.12);
            outline: none;
            background: #fff;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #4a6cf7;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background: #2e4ad1;
            transform: scale(1.02);
            text-decoration: none;
        }
        .btn-secondary {
            background: #e9edf4;
            color: #1e1e2a;
        }
        .btn-secondary:hover {
            background: #d5dce8;
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #d0d7e5;
            cursor: pointer;
            direction: rtl;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            transition: color 0.2s, transform 0.1s;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: #f7b731;
            transform: scale(1.05);
        }
        footer {
            border-top: 1px solid #e9edf4;
            padding: 2rem 0 1.5rem;
            margin-top: 1rem;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
            font-weight: 500;
            color: #2c3e50;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 1rem 0.3rem 0;
            color: #4a6cf7;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            font-size: 0.9rem;
            color: #6c7a8e;
            border-top: 1px solid #e9edf4;
            padding-top: 1.2rem;
            margin-top: 1rem;
            text-align: center;
        }
        .copyright a {
            color: #4a6cf7;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.5rem;
            }
            .container {
                padding: 0 1rem 1.5rem;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 0 0.5rem;
                gap: 0.6rem;
            }
            #nav-toggle:checked~nav {
                display: flex;
            }
            .search-header {
                width: 100%;
                margin-top: 0.5rem;
            }
            .search-header form {
                width: 100%;
            }
            .search-header input {
                flex: 1;
                min-width: 0;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .interview-block {
                padding: 1.2rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .rating-stars {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 0.8rem 1rem;
            }
        }
        @media (min-width: 769px) {
            nav {
                display: flex !important;
            }
            #nav-toggle {
                display: none;
            }
            .hamburger {
                display: none !important;
            }
        }