*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, Arial, sans-serif;
            background: #0d0d1a;
            color: #e8e8f0;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #f5c542;
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #ffd966;
            outline: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            margin-top: 0;
            color: #f5f5ff;
        }
        h1 {
            font-size: 2.6rem;
            margin-bottom: 1.2rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            margin-bottom: 1rem;
            margin-top: 2.8rem;
            border-bottom: 2px solid rgba(245, 197, 66, 0.25);
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.5rem;
            margin-bottom: 0.7rem;
            margin-top: 2rem;
        }
        h4 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            margin-top: 1.4rem;
            color: #f0e6c5;
        }
        p {
            margin-bottom: 1.2rem;
        }
        strong {
            color: #f5c542;
        }
        blockquote {
            border-left: 4px solid #f5c542;
            padding-left: 1.2rem;
            margin: 1.5rem 0;
            color: #d4d4e0;
            font-style: italic;
            background: rgba(245, 197, 66, 0.05);
            padding: 1rem 1.4rem;
            border-radius: 0 8px 8px 0;
        }
        hr {
            border: none;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin: 2rem 0;
        }
        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #141428 0%, #1a1a35 100%);
            border-bottom: 2px solid rgba(245, 197, 66, 0.2);
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            color: #f5c542;
            text-shadow: 0 0 12px rgba(245, 197, 66, 0.25);
            transition: text-shadow 0.3s;
            display: inline-block;
        }
        .my-logo:hover {
            text-shadow: 0 0 24px rgba(245, 197, 66, 0.5);
            color: #ffd966;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            letter-spacing: 0.15em;
            color: #aab;
            display: block;
            line-height: 1;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(245, 197, 66, 0.3);
            color: #f5c542;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.25s;
        }
        .nav-toggle:hover {
            background: rgba(245, 197, 66, 0.1);
        }
        .nav-menu {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-menu a {
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-weight: 500;
            font-size: 0.95rem;
            color: #cfd8e6;
            transition: background 0.25s, color 0.25s;
        }
        .nav-menu a:hover,
        .nav-menu a:focus {
            background: rgba(245, 197, 66, 0.12);
            color: #f5c542;
        }
        .nav-menu a.active {
            background: rgba(245, 197, 66, 0.18);
            color: #f5c542;
        }
        .breadcrumb {
            padding: 0.8rem 0 0.2rem;
            font-size: 0.85rem;
            color: #8899b0;
        }
        .breadcrumb a {
            color: #8899b0;
        }
        .breadcrumb a:hover {
            color: #f5c542;
        }
        .breadcrumb span {
            color: #bcc8dc;
        }
        .hero-img {
            border-radius: 16px;
            margin: 1.4rem 0 2rem;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
            background: linear-gradient(135deg, #1e1e3a, #2a1f2e);
            overflow: hidden;
        }
        .hero-img img {
            width: 100%;
            min-height: 200px;
            object-fit: cover;
        }
        .form-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 14px;
            padding: 1.6rem 1.8rem;
            margin: 2rem 0;
            backdrop-filter: blur(4px);
        }
        .form-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .form-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            align-items: center;
            margin-top: 0.8rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            flex: 1 1 200px;
            padding: 0.7rem 1rem;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(0, 0, 0, 0.4);
            color: #f0f0fa;
            font-size: 0.95rem;
            transition: border 0.3s, box-shadow 0.3s;
            min-width: 0;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #f5c542;
            box-shadow: 0 0 0 3px rgba(245, 197, 66, 0.15);
        }
        .form-group textarea {
            min-height: 80px;
            resize: vertical;
            flex-basis: 100%;
        }
        .form-group button {
            padding: 0.7rem 1.8rem;
            border: none;
            border-radius: 8px;
            background: #f5c542;
            color: #0d0d1a;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            flex-shrink: 0;
        }
        .form-group button:hover {
            background: #ffd966;
            transform: scale(1.02);
        }
        .form-group button i {
            margin-right: 0.4rem;
        }
        .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            width: 100%;
        }
        .form-row>* {
            flex: 1 1 160px;
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #555;
            cursor: default;
        }
        .rating-stars .star {
            color: #f5c542;
            text-shadow: 0 0 6px rgba(245, 197, 66, 0.3);
        }
        .rating-stars .star.inactive {
            color: #3a3a4a;
        }
        friend-link {
            display: block;
            padding: 1.2rem 0 0.2rem;
        }
        .friend-link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.6rem;
            list-style: none;
            padding: 0;
        }
        .friend-link-list li a {
            font-size: 0.9rem;
            color: #aab9d4;
            border-bottom: 1px solid transparent;
        }
        .friend-link-list li a:hover {
            border-bottom-color: #f5c542;
            color: #f5c542;
        }
        .site-footer {
            background: #0a0a18;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 2rem 0 1.4rem;
            margin-top: auto;
            font-size: 0.9rem;
            color: #7a8aa0;
        }
        .site-footer .copyright {
            text-align: center;
            padding-top: 1.2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            margin-top: 1rem;
        }
        .text-muted {
            color: #8899b0;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
        }
        .flex-wrap>* {
            flex: 1 1 280px;
        }
        .tag {
            display: inline-block;
            background: rgba(245, 197, 66, 0.12);
            color: #f5c542;
            border-radius: 20px;
            padding: 0.15rem 0.9rem;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .update-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: #aab9d4;
            background: rgba(255, 255, 255, 0.04);
            padding: 0.3rem 1rem;
            border-radius: 30px;
            margin-bottom: 1rem;
        }
        @media (max-width: 820px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: inline-block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: rgba(20, 20, 40, 0.98);
                border-radius: 12px;
                padding: 0.6rem 0.2rem;
                margin-top: 0.4rem;
                border: 1px solid rgba(255, 255, 255, 0.06);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 0.7rem 1.2rem;
                border-radius: 6px;
            }
            .form-card {
                padding: 1.2rem;
            }
            .hero-img {
                border-radius: 10px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.9rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .form-group {
                flex-direction: column;
            }
            .form-group input,
            .form-group textarea,
            .form-group select {
                flex-basis: 100%;
                width: 100%;
            }
            .rating-stars {
                font-size: 1.3rem;
            }
        }
        @media print {
            .site-header {
                position: static;
                backdrop-filter: none;
            }
            .nav-toggle,
            .nav-menu {
                display: none !important;
            }
            body {
                background: #fff;
                color: #222;
            }
            a {
                color: #004080;
            }
            .form-card {
                display: none;
            }
            .hero-img img {
                max-width: 60%;
                margin: 0 auto;
            }
        }
        .section-card {
            background: rgba(255, 255, 255, 0.02);
            border-radius: 16px;
            padding: 1.6rem 1.8rem;
            margin: 1.6rem 0;
            border: 1px solid rgba(255, 255, 255, 0.04);
            transition: background 0.3s, border-color 0.3s;
        }
        .section-card:hover {
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(245, 197, 66, 0.1);
        }
        .inline-link-icon {
            margin: 0 0.1rem;
        }
        .glossary-term {
            border-bottom: 1px dotted #f5c542;
            cursor: help;
        }