*,
        *::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, BlinkMacSystemFont, sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0f3b5e;
            text-decoration: none;
            transition: color .2s;
        }
        a:hover {
            color: #b91c1c;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.25rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            color: #0a1f2e;
            font-weight: 700;
        }
        h1 {
            font-size: 2.2rem;
            margin: 0 0 0.5rem;
        }
        h2 {
            font-size: 1.7rem;
            margin: 2.5rem 0 0.75rem;
            border-bottom: 3px solid #e63946;
            padding-bottom: 0.3rem;
            display: inline-block;
        }
        h3 {
            font-size: 1.35rem;
            margin: 1.8rem 0 0.5rem;
            color: #1d3b4f;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.2rem 0 0.3rem;
            color: #2c5775;
        }
        p {
            margin: 0 0 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .badge {
            display: inline-block;
            background: #e63946;
            color: #fff;
            font-size: 0.75rem;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        header {
            background: linear-gradient(135deg, #0b2a3b 0%, #1c4e6e 100%);
            color: #fff;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f9d342;
            letter-spacing: -0.5px;
            text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.3);
            transition: transform .2s;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #ffea8c;
        }
        .my-logo i {
            font-size: 1.6rem;
            color: #f9d342;
        }
        .my-logo span {
            font-size: 0.85rem;
            font-weight: 400;
            color: #b6d4e3;
            margin-left: 0.3rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background .2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.2rem 0.1rem;
        }
        nav a {
            color: #e2edf5;
            font-weight: 500;
            padding: 0.4rem 0.9rem;
            border-radius: 30px;
            font-size: 0.9rem;
            transition: background .2s, color .2s;
            white-space: nowrap;
        }
        nav a:hover {
            background: rgba(249, 211, 66, 0.2);
            color: #f9d342;
        }
        nav a.active {
            background: #f9d342;
            color: #0b2a3b;
        }
        .breadcrumb {
            background: #e9f0f5;
            padding: 0.5rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d0dde8;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 0.3rem 0.5rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #888;
        }
        .breadcrumb a {
            color: #1d5a7a;
        }
        .breadcrumb .current {
            color: #444;
            font-weight: 500;
        }
        .hero {
            padding: 2.5rem 0 1.5rem;
            background: linear-gradient(180deg, #dce8f0 0%, #f8fafc 100%);
            text-align: center;
        }
        .hero h1 {
            font-size: 2.6rem;
            color: #0a1f2e;
        }
        .hero h1 i {
            color: #e63946;
        }
        .hero .subhead {
            font-size: 1.1rem;
            color: #2c5775;
            max-width: 700px;
            margin: 0.5rem auto 1.5rem;
        }
        .search-wrap {
            max-width: 550px;
            margin: 1rem auto 2rem;
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            justify-content: center;
        }
        .search-wrap input {
            flex: 1 1 250px;
            padding: 0.75rem 1.2rem;
            border: 2px solid #cbd5e1;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border .2s, box-shadow .2s;
        }
        .search-wrap input:focus {
            border-color: #e63946;
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.2);
        }
        .search-wrap button {
            padding: 0.75rem 1.8rem;
            background: #e63946;
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background .2s, transform .1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-wrap button:hover {
            background: #b91c1c;
            transform: scale(1.02);
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            padding: 2rem 0 3rem;
        }
        @media(max-width:900px) {
            .main-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        .article-body {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
        }
        @media(max-width:600px) {
            .article-body {
                padding: 1.2rem 1rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
        }
        .sidebar {
            background: #fff;
            border-radius: 20px;
            padding: 1.5rem 1.5rem 2rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
            align-self: start;
            position: sticky;
            top: 80px;
        }
        .sidebar h3 {
            margin-top: 0;
            border-bottom: 2px solid #e63946;
            padding-bottom: 0.3rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 1rem 0 0;
        }
        .sidebar li {
            padding: 0.4rem 0;
            border-bottom: 1px dashed #e2e8f0;
        }
        .sidebar li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 500;
            color: #1d4a6b;
        }
        .sidebar li a:hover {
            color: #e63946;
        }
        .sidebar .score-box {
            background: #f1f5f9;
            border-radius: 14px;
            padding: 1.2rem;
            margin-top: 1.5rem;
            text-align: center;
        }
        .score-box .stars {
            font-size: 1.8rem;
            color: #f59e0b;
            letter-spacing: 4px;
        }
        .score-box .avg {
            font-size: 1.4rem;
            font-weight: 700;
            color: #0a1f2e;
        }
        .feature-img {
            border-radius: 18px;
            overflow: hidden;
            margin: 1.8rem 0 2rem;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
        }
        .feature-img img {
            width: 100%;
            height: auto;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .feature-img figcaption {
            background: #f1f5f9;
            padding: 0.5rem 1rem;
            font-size: 0.85rem;
            color: #475569;
            font-style: italic;
        }
        .comment-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid #e2e8f0;
        }
        .comment-section h2 {
            border-bottom: none;
            display: block;
            margin-top: 0;
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 600px;
            margin: 1.5rem 0 2rem;
        }
        .comment-form input,
        .comment-form textarea {
            padding: 0.75rem 1rem;
            border: 2px solid #d1d9e6;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            transition: border .2s;
        }
        .comment-form input:focus,
        .comment-form textarea:focus {
            border-color: #e63946;
            outline: none;
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-form button {
            align-self: flex-start;
            padding: 0.7rem 2rem;
            background: #0f3b5e;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background .2s;
        }
        .comment-form button:hover {
            background: #1c5a7f;
        }
        .rating-group {
            display: flex;
            gap: 0.3rem;
            font-size: 2rem;
            color: #d1d5db;
            cursor: pointer;
            margin: 0.2rem 0 0.5rem;
        }
        .rating-group i {
            transition: color .15s;
        }
        .rating-group i.active,
        .rating-group i:hover {
            color: #f59e0b;
        }
        footer {
            background: #0b2a3b;
            color: #cbd5e1;
            padding: 2.5rem 0 1.2rem;
            margin-top: 2rem;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        @media(max-width:700px) {
            footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        footer h4 {
            color: #f9d342;
            margin-bottom: 0.8rem;
            font-weight: 600;
        }
        footer a {
            color: #b6d4e3;
        }
        footer a:hover {
            color: #f9d342;
        }
        friend-link {
            display: block;
            background: #0f3143;
            padding: 1.2rem 1.5rem;
            border-radius: 14px;
            margin-top: 1.2rem;
            border-left: 4px solid #f9d342;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.5rem;
            font-weight: 500;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            margin-top: 1.5rem;
            border-top: 1px solid #1d4a6b;
            font-size: 0.85rem;
            color: #8aa9c0;
        }
        .last-updated {
            display: inline-block;
            background: #1d4a6b;
            padding: 0.2rem 1rem;
            border-radius: 20px;
            font-size: 0.8rem;
            color: #e2edf5;
            margin-top: 0.5rem;
        }
        @media(max-width:780px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 0.8rem;
                gap: 0.2rem;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 0.6rem 1rem;
                border-radius: 8px;
                white-space: normal;
            }
            .header-inner {
                align-items: center;
            }
        }
        .highlight {
            background: #fef9c3;
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .box-tip {
            background: #e6f7ee;
            border-left: 5px solid #10b981;
            padding: 1rem 1.5rem;
            border-radius: 12px;
            margin: 1.5rem 0;
        }
        .box-tip strong {
            color: #065f46;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stat-card {
            background: #f1f5f9;
            padding: 1rem;
            border-radius: 14px;
            text-align: center;
        }
        .stat-card .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #e63946;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #475569;
        }
        .interview-box {
            background: #f1f0fe;
            border-radius: 16px;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border: 1px solid #d4d0f0;
        }
        .interview-box .q {
            font-weight: 700;
            color: #312e81;
        }
        .interview-box .a {
            margin-bottom: 1rem;
            padding-left: 0.5rem;
        }
        .emoji-big {
            font-size: 1.8rem;
            line-height: 1;
        }
        .btn-back {
            display: inline-block;
            background: #0f3b5e;
            color: #fff;
            padding: 0.4rem 1.2rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: background .2s;
        }
        .btn-back:hover {
            background: #1c5a7f;
            color: #fff;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2rem 0;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.6rem 0.8rem;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        th {
            background: #e9f0f5;
            font-weight: 600;
            color: #0a1f2e;
        }
        tr:hover {
            background: #f8fafc;
        }
        @media(max-width:480px) {
            .search-wrap input {
                flex: 1 1 100%;
            }
            .search-wrap button {
                width: 100%;
                justify-content: center;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
        }