*,
        *::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, Roboto, 'Helvetica Neue', sans-serif;
            background: #0b0d17;
            color: #e8eaf0;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #facc15;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #ffde5c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 0.5em;
        }
        h1 {
            font-size: 2.6rem;
            margin-top: 0;
        }
        h2 {
            font-size: 2.0rem;
            border-left: 5px solid #facc15;
            padding-left: 1rem;
            margin-top: 2.5rem;
        }
        h3 {
            font-size: 1.5rem;
            margin-top: 1.8rem;
            color: #f0e9d0;
        }
        h4 {
            font-size: 1.2rem;
            color: #d4d0c4;
            margin-top: 1.2rem;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f111e 0%, #1a1d2e 100%);
            border-bottom: 2px solid #2a2e4a;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(8px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #facc15, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            -webkit-text-fill-color: #facc15;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.85;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .main-nav a {
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 500;
            color: #c8cce0;
            transition: background 0.25s, color 0.25s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: rgba(250, 204, 21, 0.15);
            color: #facc15;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .breadcrumbs {
            background: #131626;
            padding: 10px 0;
            border-bottom: 1px solid #252a44;
            font-size: 0.88rem;
        }
        .breadcrumbs ol {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            list-style: none;
            padding: 0;
        }
        .breadcrumbs li+li::before {
            content: "›";
            margin-right: 10px;
            color: #6b7194;
        }
        .breadcrumbs a {
            color: #9ca3bf;
        }
        .breadcrumbs a:hover {
            color: #facc15;
        }
        .breadcrumbs .current {
            color: #facc15;
            font-weight: 500;
        }
        .hero {
            padding: 50px 0 30px;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.8rem;
            max-width: 860px;
            margin: 0 auto 0.5rem;
        }
        .hero .subtitle {
            font-size: 1.2rem;
            color: #b0b6d0;
            max-width: 700px;
            margin: 0 auto 20px;
        }
        .hero .meta-info {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px 32px;
            font-size: 0.95rem;
            color: #8e94b0;
        }
        .hero .meta-info i {
            margin-right: 6px;
            color: #facc15;
        }
        section {
            padding: 30px 0;
        }
        .content-card {
            background: #141829;
            border-radius: 18px;
            padding: 28px 32px;
            margin-bottom: 28px;
            border: 1px solid #262b48;
            transition: box-shadow 0.3s;
        }
        .content-card:hover {
            box-shadow: 0 8px 32px rgba(250, 204, 21, 0.06);
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            list-style: none;
            padding: 0;
            margin: 16px 0;
        }
        .link-list-inline li a {
            background: #1f2440;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.88rem;
            color: #c8cce0;
            border: 1px solid #2f3558;
            transition: background 0.25s, border-color 0.25s;
        }
        .link-list-inline li a:hover {
            background: #2a3052;
            border-color: #facc15;
            color: #facc15;
            text-decoration: none;
        }
        .featured-image {
            margin: 28px 0;
            border-radius: 16px;
            overflow: hidden;
            background: #0f1120;
        }
        .featured-image img {
            width: 100%;
            object-fit: cover;
            max-height: 460px;
        }
        .featured-image figcaption {
            padding: 12px 16px;
            font-size: 0.85rem;
            color: #9ca3bf;
            text-align: center;
            font-style: italic;
        }
        .search-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            max-width: 580px;
            margin: 16px auto;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border-radius: 40px;
            border: 1px solid #2f3558;
            background: #0f1120;
            color: #fff;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input:focus {
            border-color: #facc15;
        }
        .search-form button {
            padding: 12px 28px;
            border-radius: 40px;
            border: none;
            background: linear-gradient(135deg, #facc15, #eab308);
            color: #0b0d17;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .search-form button:hover {
            transform: scale(1.02);
            box-shadow: 0 4px 20px rgba(250, 204, 21, 0.3);
        }
        .comment-box,
        .rating-box {
            background: #101326;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 20px 0;
            border: 1px solid #262b48;
        }
        .comment-box textarea,
        .rating-box select,
        .rating-box input[type="text"] {
            width: 100%;
            padding: 12px 16px;
            border-radius: 12px;
            border: 1px solid #2f3558;
            background: #0b0d17;
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 12px;
            resize: vertical;
            outline: none;
            font-family: inherit;
        }
        .comment-box textarea:focus,
        .rating-box select:focus,
        .rating-box input:focus {
            border-color: #facc15;
        }
        .comment-box button,
        .rating-box button {
            padding: 10px 26px;
            border-radius: 40px;
            border: none;
            background: #facc15;
            color: #0b0d17;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.2s;
        }
        .comment-box button:hover,
        .rating-box button:hover {
            background: #ffde5c;
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #3d4366;
            margin-bottom: 12px;
            cursor: pointer;
        }
        .rating-stars .star.active {
            color: #facc15;
        }
        .rating-stars .star {
            transition: color 0.2s;
        }
        .rating-stars .star:hover,
        .rating-stars .star.hover {
            color: #facc15;
        }
        friend-link {
            display: block;
            padding: 24px 0 16px;
            border-top: 1px solid #262b48;
            margin-top: 30px;
        }
        friend-link .friend-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            list-style: none;
            padding: 0;
            margin: 10px 0 0;
        }
        friend-link .friend-list li a {
            color: #9ca3bf;
            font-size: 0.9rem;
            padding: 4px 0;
            border-bottom: 1px solid transparent;
            transition: color 0.25s, border-color 0.25s;
        }
        friend-link .friend-list li a:hover {
            color: #facc15;
            border-bottom-color: #facc15;
            text-decoration: none;
        }
        friend-link .friend-label {
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: #6b7194;
        }
        .site-footer {
            background: #0a0c16;
            border-top: 2px solid #1f2440;
            padding: 28px 0 20px;
            text-align: center;
            font-size: 0.88rem;
            color: #6b7194;
        }
        .site-footer .copyright {
            margin-top: 8px;
            color: #4e5470;
        }
        .toc {
            background: #101326;
            border-radius: 16px;
            padding: 20px 24px;
            border: 1px solid #262b48;
            margin-bottom: 32px;
        }
        .toc h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .toc ol {
            list-style: none;
            counter-reset: toc-counter;
            padding: 0;
            margin: 0;
            columns: 2 240px;
            column-gap: 28px;
        }
        .toc ol li {
            counter-increment: toc-counter;
            margin-bottom: 6px;
            break-inside: avoid;
        }
        .toc ol li::before {
            content: counter(toc-counter) ". ";
            color: #facc15;
            font-weight: 600;
            margin-right: 6px;
        }
        .toc ol li a {
            color: #c8cce0;
        }
        .toc ol li a:hover {
            color: #facc15;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .hero h1 {
                font-size: 2.0rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding-top: 10px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                border-radius: 8px;
            }
            .hamburger {
                display: block;
            }
            .content-card {
                padding: 20px 16px;
            }
            .toc ol {
                columns: 1;
            }
            .breadcrumbs ol {
                font-size: 0.8rem;
                gap: 4px 8px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
            .meta-info {
                flex-direction: column;
                gap: 6px;
                align-items: center;
            }
        }
        @media (min-width: 769px) {
            .main-nav {
                display: flex !important;
            }
        }
        .highlight {
            color: #facc15;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: #1f2440;
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 0.78rem;
            color: #b0b6d0;
            border: 1px solid #2f3558;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, #2a2e4a, transparent);
            margin: 32px 0;
        }
        .emoji-lg {
            font-size: 1.4em;
        }
        .text-muted {
            color: #8e94b0;
        }
        .text-small {
            font-size: 0.88rem;
        }
        .fw-700 {
            font-weight: 700;
        }