*,
        *::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, Arial, sans-serif;
            background: #0b0b0b;
            color: #f0eada;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #f7d44a;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus-visible {
            color: #ffec9e;
            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: 600;
            line-height: 1.3;
            color: #f7d44a;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 2px solid #38322a;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #edd694;
        }
        h4 {
            font-size: 1.1rem;
            color: #d9c68a;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #1a1510 0%, #2a2218 100%);
            border-bottom: 2px solid #f7d44a33;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(6px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.7);
        }
        .header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: 2px;
            background: linear-gradient(135deg, #f7d44a, #e8b82a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(247, 212, 74, 0.25);
            display: inline-block;
            padding: 0.2rem 0;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo small {
            font-size: 0.7rem;
            display: block;
            -webkit-text-fill-color: #aa9a7a;
            letter-spacing: 1px;
            font-weight: 400;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid #f7d44a55;
            color: #f7d44a;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #f7d44a22;
        }
        .primary-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.2rem 0.8rem;
            align-items: center;
        }
        .primary-nav a {
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            font-weight: 500;
            font-size: 0.95rem;
            color: #ddd3bc;
            transition: background 0.2s, color 0.2s;
        }
        .primary-nav a:hover {
            background: #f7d44a18;
            color: #f7d44a;
            text-decoration: none;
        }
        .primary-nav a.active {
            color: #f7d44a;
            background: #f7d44a12;
        }
        .breadcrumb {
            padding: 0.7rem 0 0.3rem;
            font-size: 0.85rem;
            color: #a99a82;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb a {
            color: #d4c5a6;
        }
        .breadcrumb a:hover {
            color: #f7d44a;
        }
        .breadcrumb span {
            color: #7a6e5a;
        }
        .hero {
            background: linear-gradient(145deg, #18130e, #2d241a);
            border-radius: 18px;
            padding: 2rem 2rem 1.8rem;
            margin: 1.2rem 0 2rem;
            border: 1px solid #3f3529;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            align-items: center;
        }
        .hero-text {
            flex: 2 1 300px;
        }
        .hero-img-wrap {
            flex: 1 1 240px;
        }
        .hero-img-wrap img {
            border-radius: 16px;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.7);
            width: 100%;
        }
        .hero h1 {
            font-size: 2.6rem;
            margin-top: 0;
            background: linear-gradient(135deg, #f7d44a, #f0c430);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.1rem;
            color: #d4c8b0;
            margin-bottom: 0.6rem;
        }
        .hero .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 2rem;
            font-size: 0.9rem;
            color: #b8a88a;
            margin-top: 0.8rem;
        }
        .hero .meta i {
            margin-right: 0.3rem;
            color: #f7d44a;
        }
        .search-section {
            margin: 1.5rem 0 1rem;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            max-width: 580px;
            background: #1e1914;
            border: 1px solid #3f3529;
            border-radius: 50px;
            padding: 0.2rem 0.2rem 0.2rem 1.2rem;
            align-items: center;
            transition: border-color 0.3s;
        }
        .search-form:focus-within {
            border-color: #f7d44a88;
        }
        .search-form i {
            color: #a99a82;
            font-size: 0.95rem;
        }
        .search-form input {
            flex: 1 1 160px;
            background: transparent;
            border: none;
            outline: none;
            color: #f0eada;
            font-size: 0.95rem;
            padding: 0.7rem 0;
            min-width: 0;
        }
        .search-form input::placeholder {
            color: #7a6e5a;
        }
        .search-form button {
            background: #f7d44a;
            border: none;
            color: #0b0b0b;
            font-weight: 600;
            padding: 0.55rem 1.6rem;
            border-radius: 50px;
            cursor: pointer;
            font-size: 0.9rem;
            transition: background 0.25s, transform 0.15s;
            flex-shrink: 0;
        }
        .search-form button:hover {
            background: #ffea7a;
            transform: scale(1.02);
        }
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.2rem;
            margin: 1.8rem 0 2.8rem;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            min-width: 0;
        }
        .sidebar-card {
            background: #16120e;
            border: 1px solid #2f2820;
            border-radius: 14px;
            padding: 1.4rem 1.2rem;
            margin-bottom: 1.6rem;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-top: 0;
            border-bottom: 1px solid #2f2820;
            padding-bottom: 0.5rem;
            margin-bottom: 0.8rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding-left: 0;
        }
        .sidebar-card ul li {
            padding: 0.35rem 0;
            border-bottom: 1px solid #1f1a14;
        }
        .sidebar-card ul li a {
            font-size: 0.92rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-card ul li a i {
            color: #f7d44a;
            font-size: 0.7rem;
        }
        .toc {
            background: #1a1510;
            border-left: 4px solid #f7d44a;
            border-radius: 0 12px 12px 0;
            padding: 1rem 1.4rem 1rem 1.8rem;
            margin: 1.8rem 0 2rem;
        }
        .toc strong {
            color: #f7d44a;
            font-size: 1.05rem;
        }
        .toc ol {
            margin-top: 0.4rem;
            margin-bottom: 0;
            columns: 2 240px;
            column-gap: 2rem;
        }
        .toc ol li {
            padding: 0.15rem 0;
            break-inside: avoid;
        }
        .toc ol li a {
            color: #d4c5a6;
            font-size: 0.92rem;
        }
        .toc ol li a:hover {
            color: #f7d44a;
        }
        .article-body h2 {
            margin-top: 2.6rem;
        }
        .article-body h3 {
            margin-top: 1.8rem;
        }
        .article-body h4 {
            margin-top: 1.2rem;
        }
        .article-body p,
        .article-body li {
            color: #e6ddcc;
        }
        .article-body strong {
            color: #f7e4b0;
        }
        .highlight-box {
            background: #1f1913;
            border-radius: 14px;
            padding: 1.4rem 1.6rem;
            margin: 1.6rem 0;
            border-left: 6px solid #f7d44a;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .pro-tip {
            display: flex;
            gap: 1rem;
            background: #1a2318;
            border-radius: 12px;
            padding: 1rem 1.4rem;
            margin: 1.4rem 0;
            border: 1px solid #3a5a3a;
        }
        .pro-tip i {
            color: #7bc77b;
            font-size: 1.6rem;
            flex-shrink: 0;
            margin-top: 0.2rem;
        }
        .feedback-section {
            margin: 2.8rem 0 2rem;
            padding: 1.8rem 2rem;
            background: #14100c;
            border-radius: 18px;
            border: 1px solid #2f2820;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .feedback-form label {
            display: block;
            font-weight: 500;
            margin-top: 0.8rem;
            color: #d4c5a6;
            font-size: 0.9rem;
        }
        .feedback-form input,
        .feedback-form textarea,
        .feedback-form select {
            width: 100%;
            background: #1e1914;
            border: 1px solid #3f3529;
            border-radius: 8px;
            padding: 0.6rem 0.9rem;
            color: #f0eada;
            font-size: 0.95rem;
            transition: border-color 0.3s;
            font-family: inherit;
        }
        .feedback-form input:focus,
        .feedback-form textarea:focus,
        .feedback-form select:focus {
            border-color: #f7d44a88;
            outline: none;
        }
        .feedback-form textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-form .btn-submit {
            background: #f7d44a;
            border: none;
            color: #0b0b0b;
            font-weight: 600;
            padding: 0.55rem 1.8rem;
            border-radius: 50px;
            cursor: pointer;
            font-size: 0.95rem;
            margin-top: 1rem;
            transition: background 0.25s, transform 0.15s;
        }
        .feedback-form .btn-submit:hover {
            background: #ffea7a;
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            gap: 0.2rem;
            font-size: 1.6rem;
            color: #4a3f2f;
            cursor: pointer;
            margin: 0.3rem 0 0.6rem;
        }
        .rating-stars i {
            transition: color 0.2s, transform 0.15s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f7d44a;
            transform: scale(1.1);
        }
        friend-link {
            display: block;
            padding: 1.2rem 0 0.5rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.6rem 0.2rem 0;
            padding: 0.25rem 0.8rem;
            background: #1e1914;
            border-radius: 20px;
            font-size: 0.88rem;
            border: 1px solid #2f2820;
            transition: background 0.2s, border-color 0.2s;
        }
        friend-link a:hover {
            background: #2f2820;
            border-color: #f7d44a55;
            text-decoration: none;
        }
        .site-footer {
            background: #0d0b09;
            border-top: 2px solid #2a2218;
            padding: 1.8rem 0 1.2rem;
            margin-top: auto;
            font-size: 0.9rem;
            color: #8a7e6a;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.8rem;
        }
        .footer-inner .copy {
            font-size: 0.82rem;
        }
        @media (max-width: 920px) {
            .content-layout {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: 2;
            }
            .hero {
                padding: 1.4rem;
                flex-direction: column-reverse;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 680px) {
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 0.8rem 0 0.4rem;
                gap: 0.2rem;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav a {
                padding: 0.5rem 0.8rem;
                border-radius: 8px;
            }
            .header-inner {
                align-items: center;
            }
            .toc ol {
                columns: 1;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .feedback-section {
                padding: 1.2rem 1rem;
            }
        }
        @media (max-width: 420px) {
            .container {
                padding: 0 0.8rem;
            }
            .search-form button {
                padding: 0.45rem 1rem;
                font-size: 0.82rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        .text-gold {
            color: #f7d44a;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .gap-1 {
            gap: 1rem;
        }
        .rounded-img {
            border-radius: 12px;
        }
        ::-webkit-scrollbar {
            width: 8px;
            background: #0b0b0b;
        }
        ::-webkit-scrollbar-track {
            background: #1a1510;
        }
        ::-webkit-scrollbar-thumb {
            background: #3f3529;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #5a4a38;
        }
        .star-display i {
            color: #f7d44a;
        }