*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            line-height: 1.75;
            color: #1e1e2a;
            background: #faf9f6;
            padding: 0 1rem;
            max-width: 1280px;
            margin: 0 auto;
        }
        a {
            color: #bb2d3b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #8b1e2a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.3;
            color: #0f1b2d;
            letter-spacing: -0.01em;
        }
        h1 {
            font-size: 2.4rem;
            margin: 1.5rem 0 1rem;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem;
            border-bottom: 4px solid #f0c330;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
            margin: 1.8rem 0 0.6rem;
            color: #1e3a5f;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.2rem 0 0.4rem;
            color: #2c4c6e;
        }
        p {
            margin-bottom: 1.2rem;
            color: #2d2d3a;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.4rem 1.8rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        hr {
            border: none;
            height: 2px;
            background: linear-gradient(90deg, #f0c330, #bb2d3b, #f0c330);
            margin: 2.5rem 0;
            opacity: 0.3;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        header {
            padding: 1rem 0 0.5rem;
            position: sticky;
            top: 0;
            z-index: 100;
            background: #faf9f6;
            border-bottom: 2px solid #e8e3db;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, #bb2d3b, #f0c330);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-block;
            text-decoration: none !important;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none !important;
        }
        .my-logo small {
            font-size: 0.6rem;
            display: block;
            -webkit-text-fill-color: #555;
            color: #555;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        .breadcrumb {
            padding: 0.6rem 0 0.2rem;
            font-size: 0.85rem;
            color: #666;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            list-style: none;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #bbb;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #bb2d3b;
        }
        .breadcrumb .current {
            color: #444;
            font-weight: 600;
        }
        nav.main-nav {
            display: flex;
            gap: 1.2rem;
            align-items: center;
            flex-wrap: wrap;
        }
        nav.main-nav a {
            font-weight: 600;
            font-size: 0.9rem;
            color: #1e3a5f;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        nav.main-nav a:hover {
            color: #bb2d3b;
            border-bottom-color: #bb2d3b;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1e3a5f;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
        }
        #nav-toggle {
            display: none;
        }
        .search-header {
            display: flex;
            gap: 0.4rem;
            background: #fff;
            border-radius: 30px;
            padding: 0.2rem 0.2rem 0.2rem 1rem;
            border: 1px solid #ddd;
            align-items: center;
        }
        .search-header input {
            border: none;
            background: transparent;
            padding: 0.4rem 0;
            font-size: 0.85rem;
            outline: none;
            min-width: 120px;
            color: #1e1e2a;
        }
        .search-header button {
            background: #bb2d3b;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 0.4rem 1rem;
            font-size: 0.8rem;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-header button:hover {
            background: #8b1e2a;
        }
        .hero {
            background: linear-gradient(145deg, #0f1b2d 0%, #1e3a5f 70%, #bb2d3b 100%);
            color: #fff;
            padding: 2.5rem 2rem;
            border-radius: 24px;
            margin: 1.5rem 0 2rem;
            text-align: center;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
        }
        .hero h1 {
            color: #fff;
            font-size: 2.6rem;
            margin: 0 0 0.6rem;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }
        .hero p {
            color: #f0e6d3;
            font-size: 1.1rem;
            max-width: 720px;
            margin: 0 auto 1.2rem;
        }
        .hero .badge {
            display: inline-block;
            background: #f0c330;
            color: #0f1b2d;
            font-weight: 700;
            padding: 0.3rem 1.2rem;
            border-radius: 40px;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.6rem;
            margin: 1.8rem 0;
        }
        .card {
            background: #fff;
            border-radius: 16px;
            padding: 1.6rem 1.4rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #eeeae3;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.08);
        }
        .card i {
            font-size: 2rem;
            color: #bb2d3b;
            margin-bottom: 0.6rem;
        }
        .card h3 {
            margin-top: 0.2rem;
            font-size: 1.2rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.4rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        th,
        td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #eeeae3;
        }
        th {
            background: #0f1b2d;
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) td {
            background: #f8f6f2;
        }
        tr:hover td {
            background: #f0ebdf;
        }
        .form-block {
            background: #fff;
            border-radius: 18px;
            padding: 1.8rem 2rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
            border: 1px solid #eeeae3;
            margin: 1.8rem 0;
        }
        .form-block h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            font-size: 0.9rem;
            color: #1e3a5f;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.65rem 1rem;
            border: 1px solid #d5cfc5;
            border-radius: 10px;
            font-size: 0.95rem;
            background: #fcfcfc;
            transition: border-color 0.2s;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #bb2d3b;
            outline: none;
            box-shadow: 0 0 0 3px rgba(187, 45, 59, 0.1);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #bb2d3b;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-block;
        }
        .btn:hover {
            background: #9a2430;
            transform: scale(1.01);
            text-decoration: none;
            color: #fff;
        }
        .btn-secondary {
            background: #1e3a5f;
        }
        .btn-secondary:hover {
            background: #152a45;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 0.3rem;
            justify-content: flex-end;
            margin: 0.4rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label::before {
            content: "★";
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f0c330;
        }
        blockquote {
            background: #f0ebdf;
            border-left: 6px solid #bb2d3b;
            padding: 1.2rem 1.8rem;
            margin: 1.6rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #1e1e2a;
        }
        blockquote cite {
            display: block;
            margin-top: 0.6rem;
            font-weight: 600;
            font-style: normal;
            color: #1e3a5f;
        }
        .interview-box {
            background: #f8f6f2;
            border-radius: 18px;
            padding: 1.6rem 2rem;
            margin: 1.4rem 0;
            border: 1px solid #e3dcd0;
        }
        .interview-box .q {
            font-weight: 700;
            color: #bb2d3b;
        }
        .interview-box .a {
            margin-left: 1.2rem;
            margin-bottom: 1rem;
        }
        footer {
            margin-top: 3rem;
            padding: 2rem 0 1.5rem;
            border-top: 3px solid #e8e3db;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.6rem;
            margin-bottom: 1.6rem;
        }
        friend-link {
            display: block;
            background: #f0ebdf;
            padding: 1.2rem 1.6rem;
            border-radius: 14px;
            font-size: 0.9rem;
            margin: 0.8rem 0;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.8rem 0.2rem 0;
        }
        .copyright {
            text-align: center;
            font-size: 0.82rem;
            color: #777;
            padding-top: 1.2rem;
            border-top: 1px solid #e0dbd2;
        }
        .copyright strong {
            color: #444;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.8rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .hero {
                padding: 1.8rem 1.2rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            nav.main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.4rem;
                padding: 0.8rem 0 0.4rem;
                border-top: 1px solid #e8e3db;
                margin-top: 0.6rem;
            }
            #nav-toggle:checked~.main-nav {
                display: flex;
            }
            .search-header {
                width: 100%;
                margin-top: 0.6rem;
            }
            .search-header input {
                min-width: 0;
                flex: 1;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .form-block {
                padding: 1.2rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            blockquote {
                padding: 0.8rem 1rem;
            }
            .interview-box {
                padding: 1rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.5rem;
            }
            .hero h1 {
                font-size: 1.4rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .star-rating label {
                font-size: 1.6rem;
            }
        }
        @media (min-width: 769px) {
            .hamburger {
                display: none !important;
            }
            nav.main-nav {
                display: flex !important;
            }
        }
        .updated-badge {
            display: inline-block;
            background: #e8e3db;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #555;
            margin-bottom: 0.8rem;
        }
        .emoji-lg {
            font-size: 1.6rem;
            vertical-align: middle;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(240, 195, 48, 0.25), rgba(240, 195, 48, 0.05));
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .flex-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            justify-content: space-around;
            background: #fff;
            border-radius: 16px;
            padding: 1.4rem;
            margin: 1.4rem 0;
            border: 1px solid #eeeae3;
        }
        .flex-stats .stat {
            text-align: center;
            font-weight: 700;
        }
        .flex-stats .stat span {
            display: block;
            font-size: 1.8rem;
            color: #bb2d3b;
        }
        .flex-stats .stat small {
            display: block;
            font-weight: 400;
            color: #666;
            font-size: 0.8rem;
        }
        .img-caption {
            font-size: 0.82rem;
            color: #777;
            text-align: center;
            margin-top: 0.4rem;
        }
        .faq-item {
            margin-bottom: 1.2rem;
            border-bottom: 1px solid #eee;
            padding-bottom: 0.8rem;
        }
        .faq-item h4 {
            margin-bottom: 0.2rem;
            cursor: pointer;
        }
        .faq-item h4::before {
            content: "❓ ";
        }
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.6rem;
            margin: 1.4rem 0;
        }
        @media (max-width: 640px) {
            .two-col {
                grid-template-columns: 1fr;
            }
        }
        .toc {
            background: #fff;
            border: 1px solid #eeeae3;
            border-radius: 16px;
            padding: 1.2rem 1.6rem;
            margin: 1.2rem 0 2rem;
        }
        .toc ol {
            margin: 0.4rem 0 0 1.2rem;
        }
        .toc a {
            color: #1e3a5f;
        }