*,
        *::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', sans-serif;
            background: #0b1416;
            color: #e3e9ed;
            line-height: 1.75;
            padding: 0;
            margin: 0;
            min-height: 100vh;
        }
        a {
            color: #f5c542;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #ffde7a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #f5e7d3;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
        }
        h1 {
            font-size: 2.6rem;
            border-bottom: 3px solid #f5c542;
            padding-bottom: 0.3em;
            margin-top: 0.4em;
        }
        h2 {
            font-size: 2rem;
            border-left: 5px solid #f5c542;
            padding-left: 16px;
            margin-top: 2.2em;
        }
        h3 {
            font-size: 1.5rem;
            color: #f0dbb6;
        }
        h4 {
            font-size: 1.2rem;
            color: #e6d3b0;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2em;
            font-size: 1.05rem;
            letter-spacing: 0.01em;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 400;
            color: #d4dce0;
        }
        strong,
        b {
            color: #f5e7d3;
            font-weight: 700;
        }
        em {
            font-style: italic;
            color: #f5c542;
        }
        hr {
            border: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, #f5c54288, transparent);
            margin: 2.5em 0;
        }
        .badge {
            display: inline-block;
            background: #f5c542;
            color: #0b1416;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2em 0.8em;
            border-radius: 30px;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }
        .site-header {
            background: #0f1c20;
            border-bottom: 2px solid #2c3e44;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(6px);
            background: rgba(11, 20, 22, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f5c542;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            font-size: 2rem;
            color: #d9a84a;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #ffde7a;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            color: #a0b4b9;
            display: block;
            letter-spacing: 0.3px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #cbd8dd;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.9rem;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: #f5c54222;
            color: #f5c542;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: 0.8rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #f5c542;
            color: #f5c542;
            font-size: 1.6rem;
            padding: 4px 12px;
            border-radius: 6px;
            cursor: pointer;
            transition: 0.2s;
        }
        .hamburger:hover {
            background: #f5c54222;
        }
        .nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #122025;
            padding: 10px 0;
            border-bottom: 1px solid #1e3138;
            font-size: 0.85rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #7a9299;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #b0c8cf;
        }
        .breadcrumb a:hover {
            color: #f5c542;
        }
        .breadcrumb .current {
            color: #f5e7d3;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #0b1416 0%, #1a2d33 100%);
            padding: 40px 0 30px;
            border-bottom: 1px solid #2c3e44;
        }
        .hero h1 {
            margin-top: 0;
            border-bottom: 0;
            font-size: 2.8rem;
        }
        .hero .sub {
            font-size: 1.15rem;
            color: #b8cdd4;
            max-width: 780px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px 30px;
            margin-top: 14px;
            font-size: 0.9rem;
            color: #9bb1b8;
        }
        .hero-meta i {
            color: #f5c542;
            margin-right: 6px;
        }
        .search-section {
            background: #122025;
            padding: 28px 0;
            border-bottom: 1px solid #1e3138;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            max-width: 640px;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 14px 20px;
            border: 2px solid #2c4a52;
            border-radius: 50px;
            background: #0b1416;
            color: #e3e9ed;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input:focus {
            border-color: #f5c542;
        }
        .search-form button {
            background: #f5c542;
            border: none;
            color: #0b1416;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #ffde7a;
            transform: scale(1.02);
        }
        .main-content {
            padding: 30px 0 50px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media(max-width:992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            background: #0f1c20;
            padding: 30px 32px;
            border-radius: 16px;
            border: 1px solid #1e3138;
        }
        .sidebar {
            background: #0f1c20;
            padding: 24px 22px;
            border-radius: 16px;
            border: 1px solid #1e3138;
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 1px solid #2c3e44;
            padding-bottom: 10px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar li {
            padding: 6px 0;
            border-bottom: 1px solid #1a2a30;
        }
        .sidebar a {
            color: #cbd8dd;
            font-size: 0.92rem;
        }
        .sidebar a:hover {
            color: #f5c542;
        }
        .feature-image {
            margin: 2em 0;
            border-radius: 12px;
            overflow: hidden;
            background: #1a2d33;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
        }
        .feature-image img {
            width: 100%;
            display: block;
        }
        .feature-image figcaption {
            padding: 12px 18px;
            font-size: 0.85rem;
            color: #a0b4b9;
            background: #0f1c20;
            border-top: 1px solid #1e3138;
        }
        .link-block {
            background: #0b1416;
            border-left: 4px solid #f5c542;
            padding: 16px 22px;
            margin: 1.8em 0;
            border-radius: 0 10px 10px 0;
        }
        .link-block h4 {
            margin: 0 0 8px 0;
            font-size: 1rem;
            color: #f5c542;
        }
        .link-block ul {
            list-style: none;
            padding: 0;
            columns: 2;
            column-gap: 30px;
        }
        .link-block li {
            padding: 4px 0;
            font-size: 0.92rem;
        }
        .link-block a {
            color: #e3e9ed;
        }
        .link-block a:hover {
            color: #f5c542;
        }
        @media(max-width:600px) {
            .link-block ul {
                columns: 1;
            }
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 2.5em 0 1em;
        }
        @media(max-width:700px) {
            .feedback-section {
                grid-template-columns: 1fr;
            }
        }
        .card-form {
            background: #0b1416;
            padding: 22px 24px;
            border-radius: 14px;
            border: 1px solid #1e3138;
        }
        .card-form h3 {
            margin-top: 0;
            font-size: 1.2rem;
            color: #f5e7d3;
        }
        .card-form form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .card-form input,
        .card-form textarea,
        .card-form select {
            background: #1a2d33;
            border: 1px solid #2c4a52;
            border-radius: 8px;
            padding: 12px 16px;
            color: #e3e9ed;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
        }
        .card-form input:focus,
        .card-form textarea:focus,
        .card-form select:focus {
            border-color: #f5c542;
        }
        .card-form textarea {
            min-height: 80px;
            resize: vertical;
        }
        .card-form button {
            background: #f5c542;
            border: none;
            color: #0b1416;
            font-weight: 700;
            padding: 12px 22px;
            border-radius: 50px;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 0.95rem;
            align-self: flex-start;
        }
        .card-form button:hover {
            background: #ffde7a;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #3a555e;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5c542;
        }
        .site-footer {
            background: #0a1316;
            border-top: 2px solid #1e3138;
            padding: 36px 0 24px;
            margin-top: 30px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 30px;
        }
        @media(max-width:700px) {
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        .footer-inner h4 {
            color: #f5c542;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            columns: 2;
            column-gap: 20px;
        }
        .footer-links li {
            padding: 4px 0;
        }
        .footer-links a {
            color: #b0c8cf;
            font-size: 0.88rem;
        }
        .footer-links a:hover {
            color: #f5c542;
        }
        .copyright {
            margin-top: 28px;
            padding-top: 18px;
            border-top: 1px solid #1a2a30;
            font-size: 0.82rem;
            color: #7a9299;
            text-align: center;
        }
        .copyright a {
            color: #f5c542;
        }
        @media(max-width:768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 4px;
                padding: 16px 0 8px;
            }
            .nav-toggle:checked~.main-nav {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                width: 100%;
                border-radius: 8px;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .article-body {
                padding: 20px 16px;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .sidebar {
                position: static;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 12px;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .search-form input {
                min-width: 120px;
                padding: 12px 16px;
            }
            .search-form button {
                padding: 12px 20px;
            }
            h1 {
                font-size: 1.6rem;
            }
            .link-block ul {
                columns: 1;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #f5c542;
            color: #0b1416;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
            transition: 0.2s;
            border: none;
            cursor: pointer;
            z-index: 50;
            opacity: 0.9;
        }
        .scroll-top:hover {
            background: #ffde7a;
            transform: scale(1.06);
            opacity: 1;
        }
        friend-link {
            display: block;
            margin: 20px 0 10px;
        }
        friend-link a {
            color: #b0c8cf;
            font-size: 0.88rem;
            padding: 0 8px 0 0;
        }
        friend-link a:hover {
            color: #f5c542;
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
            margin: 1.6em 0;
        }
        .data-card {
            background: #0b1416;
            padding: 16px 18px;
            border-radius: 10px;
            border: 1px solid #1e3138;
            text-align: center;
        }
        .data-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: #f5c542;
        }
        .data-card .label {
            font-size: 0.85rem;
            color: #9bb1b8;
        }
        blockquote {
            border-left: 4px solid #f5c542;
            background: #0b1416;
            padding: 16px 22px;
            margin: 1.6em 0;
            border-radius: 0 10px 10px 0;
            font-style: italic;
            color: #d4dce0;
        }
        blockquote cite {
            display: block;
            margin-top: 8px;
            font-style: normal;
            font-weight: 600;
            color: #f5c542;
            font-size: 0.88rem;
        }