        *,
        *::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', Arial, sans-serif;
            background: #0d0f14;
            color: #e8edf2;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #f5b042;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #ffd966;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #1a1e26;
        }
        ::-webkit-scrollbar-thumb {
            background: #f5b042;
            border-radius: 8px;
        }
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #11161f 0%, #1b2330 100%);
            padding: 16px 0;
            border-bottom: 3px solid #f5b042;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.7);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #f5b042, #ff7b2b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: #f5b042;
            font-size: 2rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .main-nav a {
            padding: 8px 16px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            color: #cbd5e0;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            background: #f5b042;
            color: #0d0f14;
            text-decoration: none;
            transform: translateY(-2px);
        }
        .main-nav a i {
            margin-right: 6px;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 2rem;
            color: #f5b042;
            cursor: pointer;
            padding: 4px 8px;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        .breadcrumb {
            background: #181e28;
            padding: 12px 0;
            border-bottom: 1px solid #2a3342;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            list-style: none;
            padding: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: #6b7a8f;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #a0b3c9;
        }
        .breadcrumb .current {
            color: #f5b042;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #121a26, #1f2b3b);
            padding: 40px 0 50px;
            text-align: center;
            border-bottom: 1px solid #2a3342;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            background: linear-gradient(135deg, #f5b042, #ff8c42);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
        }
        .hero p {
            max-width: 780px;
            margin: 0 auto;
            font-size: 1.2rem;
            color: #bcc9db;
        }
        .hero .last-updated {
            display: inline-block;
            margin-top: 18px;
            background: #232d3e;
            padding: 8px 20px;
            border-radius: 60px;
            font-size: 0.9rem;
            color: #f5b042;
            border: 1px solid #3a475c;
        }
        .search-section {
            background: #181e28;
            padding: 24px 0;
            border-bottom: 1px solid #2a3342;
        }
        .search-form {
            display: flex;
            max-width: 640px;
            margin: 0 auto;
            border-radius: 60px;
            overflow: hidden;
            border: 2px solid #2a3342;
            transition: border-color 0.3s;
            background: #0d0f14;
        }
        .search-form:focus-within {
            border-color: #f5b042;
        }
        .search-form input {
            flex: 1;
            padding: 14px 22px;
            border: none;
            background: transparent;
            color: #e8edf2;
            font-size: 1rem;
            outline: none;
        }
        .search-form input::placeholder {
            color: #6b7a8f;
        }
        .search-form button {
            background: #f5b042;
            border: none;
            padding: 0 28px;
            font-size: 1.2rem;
            color: #0d0f14;
            cursor: pointer;
            transition: background 0.25s;
        }
        .search-form button:hover {
            background: #ffc96b;
        }
        .main-content {
            flex: 1;
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        .article-body h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-top: 48px;
            margin-bottom: 18px;
            padding-bottom: 8px;
            border-bottom: 3px solid #f5b042;
            color: #f5b042;
            letter-spacing: -0.3px;
        }
        .article-body h3 {
            font-size: 1.55rem;
            font-weight: 700;
            margin-top: 36px;
            margin-bottom: 14px;
            color: #ffd966;
        }
        .article-body h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-top: 26px;
            margin-bottom: 10px;
            color: #e8c87a;
        }
        .article-body p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #d5dfec;
        }
        .article-body strong {
            color: #f5b042;
            font-weight: 700;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 20px;
            color: #d5dfec;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body .feature-box {
            background: #181e28;
            border-left: 5px solid #f5b042;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .article-body .feature-box i {
            color: #f5b042;
            margin-right: 10px;
        }
        .content-image {
            margin: 32px 0;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
            background: #1a1e26;
            padding: 8px;
        }
        .content-image img {
            border-radius: 8px;
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .content-image figcaption {
            padding: 12px 16px 6px;
            font-size: 0.9rem;
            color: #a0b3c9;
            font-style: italic;
        }
        .sidebar {
            background: #181e28;
            border-radius: 16px;
            padding: 24px 20px;
            border: 1px solid #2a3342;
            position: sticky;
            top: 120px;
            max-height: calc(100vh - 140px);
            overflow-y: auto;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #f5b042;
            margin-bottom: 16px;
            border-bottom: 2px solid #2a3342;
            padding-bottom: 10px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar li {
            margin-bottom: 10px;
        }
        .sidebar a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 12px;
            border-radius: 8px;
            background: #1f2838;
            color: #cbd5e0;
            font-size: 0.95rem;
            transition: all 0.2s;
        }
        .sidebar a:hover {
            background: #f5b042;
            color: #0d0f14;
            text-decoration: none;
            transform: translateX(4px);
        }
        .sidebar a i {
            width: 20px;
            text-align: center;
            color: #f5b042;
        }
        .sidebar a:hover i {
            color: #0d0f14;
        }
        .feedback-section {
            margin-top: 50px;
            padding-top: 30px;
            border-top: 2px solid #2a3342;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        @media (max-width: 700px) {
            .feedback-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .comment-box,
        .rating-box {
            background: #181e28;
            border-radius: 16px;
            padding: 24px 22px;
            border: 1px solid #2a3342;
        }
        .comment-box h3,
        .rating-box h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #f5b042;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comment-box textarea,
        .comment-box input {
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid #2a3342;
            background: #0d0f14;
            color: #e8edf2;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.3s;
            font-family: inherit;
        }
        .comment-box textarea:focus,
        .comment-box input:focus {
            border-color: #f5b042;
        }
        .comment-box textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-box .field-group {
            margin-bottom: 14px;
        }
        .btn {
            background: #f5b042;
            color: #0d0f14;
            font-weight: 700;
            padding: 12px 28px;
            border: none;
            border-radius: 60px;
            cursor: pointer;
            font-size: 1rem;
            transition: all 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn:hover {
            background: #ffc96b;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(245, 176, 66, 0.3);
        }
        .rating-stars {
            display: flex;
            gap: 8px;
            font-size: 2rem;
            cursor: pointer;
            margin: 12px 0;
            flex-wrap: wrap;
        }
        .rating-stars i {
            color: #3a475c;
            transition: color 0.2s, transform 0.15s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f5b042;
            transform: scale(1.15);
        }
        .rating-stars i.selected {
            color: #f5b042;
        }
        .site-footer {
            background: linear-gradient(135deg, #0d0f14, #161e2a);
            padding: 40px 0 24px;
            border-top: 3px solid #f5b042;
            margin-top: 40px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        @media (max-width: 700px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-inner h4 {
            color: #f5b042;
            margin-bottom: 14px;
            font-size: 1.1rem;
        }
        .footer-inner p,
        .footer-inner a {
            color: #a0b3c9;
            font-size: 0.95rem;
        }
        friend-link {
            display: block;
            padding: 14px 18px;
            background: #1a212e;
            border-radius: 12px;
            border: 1px solid #2a3342;
            margin-top: 8px;
        }
        friend-link a {
            font-weight: 600;
            color: #f5b042;
        }
        friend-link a:hover {
            color: #ffd966;
        }
        .copyright {
            text-align: center;
            padding-top: 28px;
            margin-top: 28px;
            border-top: 1px solid #2a3342;
            color: #6b7a8f;
            font-size: 0.9rem;
        }
        .copyright strong {
            color: #f5b042;
        }
        @media (max-width: 820px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: #11161f;
                padding: 16px 0 10px;
                border-top: 1px solid #2a3342;
                margin-top: 10px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 18px;
                border-radius: 8px;
                text-align: center;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .article-body h2 {
                font-size: 1.6rem;
            }
            .article-body h3 {
                font-size: 1.3rem;
            }
            .article-body p {
                font-size: 0.98rem;
            }
            .sidebar {
                position: static;
                max-height: none;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.4rem;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .container {
                padding: 0 14px;
            }
            .search-form input {
                padding: 10px 14px;
                font-size: 0.9rem;
            }
            .search-form button {
                padding: 0 16px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 16px;
            background: #f5b042;
            color: #0d0f14;
            padding: 10px 20px;
            border-radius: 0 0 8px 8px;
            font-weight: 700;
            z-index: 9999;
            transition: top 0.25s;
        }
        .skip-link:focus {
            top: 0;
            text-decoration: none;
        }
