*,
        *::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, 'Helvetica Neue', Arial, sans-serif;
            background: #0b0e14;
            color: #e8edf5;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #8bb8f0;
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover,
        a:focus-visible {
            color: #c0d8ff;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.3;
            color: #f0f4ff;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4rem;
        }
        h2 {
            font-size: 1.9rem;
            border-bottom: 2px solid #2a3a5a;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.45rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 500;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 0.5rem;
            background: #1a2a44;
            color: #fff;
            padding: 0.5rem 1rem;
            z-index: 1000;
            border-radius: 0 0 6px 6px;
        }
        .skip-link:focus {
            top: 0;
        }
        .site-header {
            background: #111a29;
            border-bottom: 1px solid #2a3a5a;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(8px);
            background: rgba(11, 14, 20, 0.92);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #a0c4ff, #7a9fcf);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none !important;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            flex-shrink: 0;
        }
        .my-logo:hover {
            opacity: 0.88;
        }
        .my-logo i {
            font-size: 1.5rem;
            -webkit-text-fill-color: #7a9fcf;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            padding: 0.4rem 0.8rem;
            border-radius: 20px;
            font-size: 0.92rem;
            font-weight: 500;
            color: #c8d6f0;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            background: #1e2d48;
            color: #fff;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #2a3a5a;
            color: #fff;
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: #c8d6f0;
            font-size: 1.6rem;
            padding: 0.2rem 0.5rem;
            cursor: pointer;
            transition: color 0.2s;
            border-radius: 6px;
        }
        .hamburger-btn:hover {
            color: #fff;
        }
        .hamburger-btn:focus-visible {
            outline: 2px solid #8bb8f0;
            outline-offset: 2px;
        }
        .breadcrumb {
            padding: 0.6rem 0 0.2rem;
            font-size: 0.85rem;
            color: #8899b8;
            display: flex;
            flex-wrap: wrap;
            gap: 0.2rem 0.6rem;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #556688;
        }
        .breadcrumb a {
            color: #8bb8f0;
        }
        .breadcrumb a:hover {
            color: #c0d8ff;
        }
        .breadcrumb .current {
            color: #c8d6f0;
        }
        .search-block {
            background: #141e30;
            padding: 1.2rem 1.5rem;
            border-radius: 16px;
            margin: 1.8rem 0 2.2rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            align-items: center;
            justify-content: center;
            border: 1px solid #2a3a5a;
        }
        .search-block label {
            font-weight: 500;
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-block input[type="text"] {
            flex: 1 1 240px;
            padding: 0.6rem 1rem;
            border: none;
            border-radius: 30px;
            background: #1a2538;
            color: #e8edf5;
            font-size: 0.95rem;
            outline: 2px solid transparent;
            transition: outline 0.2s;
            min-width: 160px;
        }
        .search-block input[type="text"]:focus {
            outline: 2px solid #5a7aad;
        }
        .search-block button {
            padding: 0.6rem 1.6rem;
            border: none;
            border-radius: 30px;
            background: #2a4a7a;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-block button:hover {
            background: #3a5a8a;
            transform: scale(1.02);
        }
        .search-block button:active {
            transform: scale(0.97);
        }
        .content-area {
            flex: 1;
            padding: 1.2rem 0 2.5rem;
        }
        .feature-img {
            border-radius: 16px;
            margin: 1.8rem 0 2.2rem;
            border: 1px solid #2a3a5a;
            background: #111a29;
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
        }
        .feature-img img {
            width: 100%;
            max-height: 460px;
            object-fit: cover;
        }
        .feature-img figcaption {
            padding: 0.6rem 1.2rem;
            font-size: 0.88rem;
            color: #8899b8;
            background: #0d1522;
            border-top: 1px solid #2a3a5a;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.2rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: #111a29;
            border: 1px solid #2a3a5a;
            border-radius: 14px;
            padding: 1.2rem 1rem;
            text-align: center;
            transition: transform 0.2s, border-color 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-3px);
            border-color: #5a7aad;
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 700;
            color: #a0c4ff;
            display: block;
            line-height: 1.2;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: #8899b8;
            margin-top: 0.2rem;
        }
        .interview-block {
            background: #0f1728;
            border-left: 4px solid #5a7aad;
            border-radius: 0 14px 14px 0;
            padding: 1.5rem 1.8rem;
            margin: 2rem 0;
        }
        .interview-block .quote {
            font-style: italic;
            font-size: 1.08rem;
            color: #c8d6f0;
            position: relative;
            padding-left: 1.2rem;
        }
        .interview-block .quote::before {
            content: "“";
            font-size: 2.6rem;
            color: #5a7aad;
            position: absolute;
            left: -0.4rem;
            top: -0.4rem;
            font-style: normal;
        }
        .interview-block .source {
            margin-top: 0.8rem;
            font-weight: 500;
            color: #8bb8f0;
        }
        .feedback-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem 2rem;
            margin: 2.5rem 0 1.8rem;
            padding: 1.5rem 1.8rem;
            background: #111a29;
            border-radius: 16px;
            border: 1px solid #2a3a5a;
        }
        .feedback-block {
            flex: 1 1 200px;
            min-width: 160px;
        }
        .feedback-block h4 {
            margin-top: 0;
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.15rem;
            margin: 0.4rem 0 0.6rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.5rem;
            color: #3a4a6a;
            cursor: pointer;
            transition: color 0.2s, transform 0.1s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f0c060;
        }
        .star-rating input:checked~label {
            color: #f0c060;
        }
        .feedback-block textarea {
            width: 100%;
            padding: 0.6rem 0.8rem;
            border-radius: 10px;
            border: 1px solid #2a3a5a;
            background: #0d1522;
            color: #e8edf5;
            font-family: inherit;
            font-size: 0.92rem;
            resize: vertical;
            min-height: 60px;
            transition: border-color 0.2s;
        }
        .feedback-block textarea:focus {
            outline: none;
            border-color: #5a7aad;
        }
        .feedback-block .btn-sub {
            padding: 0.5rem 1.2rem;
            border: none;
            border-radius: 30px;
            background: #2a4a7a;
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            margin-top: 0.4rem;
        }
        .feedback-block .btn-sub:hover {
            background: #3a5a8a;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.8rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #0f1728;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #1e2d48;
        }
        th {
            background: #1a2538;
            font-weight: 600;
            color: #a0c4ff;
        }
        tr:hover td {
            background: #141e30;
        }
        friend-link {
            display: block;
            padding: 1.5rem 0 0.8rem;
            border-top: 1px solid #2a3a5a;
            margin-top: 2rem;
        }
        friend-link .fl-head {
            font-weight: 600;
            font-size: 1.1rem;
            margin-bottom: 0.6rem;
            color: #a0c4ff;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.6rem;
        }
        friend-link li a {
            color: #8bb8f0;
            font-size: 0.92rem;
        }
        friend-link li a:hover {
            color: #c0d8ff;
        }
        .site-footer {
            background: #0a101c;
            border-top: 1px solid #1e2d48;
            padding: 1.8rem 0 1.2rem;
            font-size: 0.88rem;
            color: #667a9a;
            text-align: center;
        }
        .site-footer .copyright {
            margin-top: 0.6rem;
            letter-spacing: 0.02em;
        }
        @media (max-width: 768px) {
            .hamburger-btn {
                display: block;
            }
            .main-nav {
                display: none;
                flex-basis: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 0.2rem;
                padding: 0.6rem 0 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.5rem 0.8rem;
                border-radius: 10px;
            }
            .header-inner {
                align-items: center;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .feedback-row {
                flex-direction: column;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .search-block {
                flex-direction: column;
                align-items: stretch;
            }
            .search-block input[type="text"] {
                flex: 1 1 auto;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .container {
                padding: 0 0.8rem;
            }
            .feature-img figcaption {
                font-size: 0.78rem;
            }
        }
        h2[id],
        h3[id],
        h4[id] {
            scroll-margin-top: 80px;
        }
        .highlight {
            color: #f0c060;
        }
        .badge {
            display: inline-block;
            background: #2a4a7a;
            padding: 0.15rem 0.7rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            color: #c8d6f0;
            vertical-align: middle;
            margin-left: 0.3rem;
        }
        .hr-divider {
            border: none;
            border-top: 1px solid #1e2d48;
            margin: 2rem 0;
        }
        .last-update {
            font-size: 0.85rem;
            color: #667a9a;
            text-align: right;
            margin-top: 0.2rem;
            margin-bottom: 0.8rem;
        }
        .content-area a[href*="/"]::after {
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f35d";
            font-size: 0.7rem;
            margin-left: 0.2rem;
            opacity: 0.6;
            transition: opacity 0.2s;
            display: inline-block;
        }
        .content-area a[href*="/"]:hover::after {
            opacity: 1;
        }
        .my-logo::after,
        .main-nav a::after,
        .breadcrumb a::after,
        .site-footer a::after,
        friend-link a::after {
            display: none !important;
            content: none !important;
        }