*,
        *::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: #0f0e17;
            color: #e4e4e7;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            min-height: 100vh;
        }
        a {
            color: #f9a826;
            text-decoration: none;
            transition: color 0.25s ease, transform 0.2s ease;
        }
        a:hover,
        a:focus-visible {
            color: #ffcd7e;
            transform: translateY(-1px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 0.75rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #fffffe;
            margin-top: 1.6rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.4rem;
            letter-spacing: -0.02em;
            border-bottom: 3px solid #f9a826;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 4px solid #f9a826;
            padding-left: 0.8rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #fcd34d;
        }
        h4 {
            font-size: 1.1rem;
            color: #f9a826;
        }
        p {
            margin: 0.9rem 0;
            color: #cbd5e1;
        }
        strong,
        b {
            color: #fffffe;
            font-weight: 600;
        }
        .container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: #1a1926;
            border-bottom: 2px solid #2a2a3e;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(6px);
            background-color: rgba(26, 25, 38, 0.92);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f9a826;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            background: linear-gradient(135deg, #f9a826, #ffcd7e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: opacity 0.3s;
        }
        .my-logo:hover {
            opacity: 0.85;
            transform: scale(1.02);
        }
        .my-logo small {
            font-size: 0.65rem;
            display: block;
            -webkit-text-fill-color: #a8a8b8;
            color: #a8a8b8;
            letter-spacing: 0.12em;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f9a826;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(249, 168, 38, 0.15);
        }
        .main-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            padding: 0.4rem 0.9rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #e0e0e8;
            transition: background 0.25s, color 0.25s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: #f9a826;
            color: #0f0e17;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.6rem 0 0.2rem;
            font-size: 0.85rem;
            color: #a8a8b8;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #f9a826;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #cbd5e1;
        }
        .breadcrumb a:hover {
            color: #f9a826;
        }
        .breadcrumb .current {
            color: #f9a826;
            font-weight: 600;
        }
        .search-block {
            display: flex;
            gap: 0.4rem;
            max-width: 480px;
            margin: 1.2rem 0 1.8rem;
            background: #1e1d2b;
            border-radius: 40px;
            padding: 0.2rem 0.2rem 0.2rem 1.2rem;
            border: 1px solid #2e2d42;
            transition: border-color 0.3s;
        }
        .search-block:focus-within {
            border-color: #f9a826;
        }
        .search-block input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 0.7rem 0.2rem;
            font-size: 1rem;
            color: #fffffe;
            outline: none;
            min-width: 0;
        }
        .search-block input::placeholder {
            color: #7a7a8c;
        }
        .search-block button {
            background: #f9a826;
            border: none;
            border-radius: 40px;
            padding: 0.6rem 1.4rem;
            font-weight: 600;
            color: #0f0e17;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.95rem;
        }
        .search-block button:hover {
            background: #ffcd7e;
            transform: scale(1.02);
        }
        .content-area {
            background: #12111e;
            border-radius: 20px;
            padding: 2rem 2rem 1.6rem;
            margin: 1rem 0 2.4rem;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
        }
        .featured-image {
            border-radius: 16px;
            overflow: hidden;
            margin: 1.4rem 0 2rem;
            box-shadow: 0 4px 24px rgba(249, 168, 38, 0.12);
        }
        .featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .featured-image img:hover {
            transform: scale(1.01);
        }
        .update-badge {
            display: inline-block;
            background: #2a2a3e;
            padding: 0.25rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #f9a826;
            margin-bottom: 0.2rem;
            border: 1px solid #3e3d55;
        }
        .insight-box {
            background: #1e1d2b;
            border-left: 5px solid #f9a826;
            padding: 1.2rem 1.6rem;
            border-radius: 0 12px 12px 0;
            margin: 1.6rem 0;
        }
        .insight-box p {
            margin: 0.3rem 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 1rem;
            margin: 1.8rem 0;
        }
        .stat-card {
            background: #1a1926;
            padding: 1.2rem 0.8rem;
            border-radius: 14px;
            text-align: center;
            border: 1px solid #2e2d42;
            transition: border-color 0.3s, transform 0.2s;
        }
        .stat-card:hover {
            border-color: #f9a826;
            transform: translateY(-4px);
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: #f9a826;
            display: block;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #a8a8b8;
            margin-top: 0.2rem;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.4rem 0 0.6rem;
        }
        .feedback-card {
            background: #1a1926;
            padding: 1.6rem 1.8rem;
            border-radius: 18px;
            border: 1px solid #2a2a3e;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.25rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            background: #12111e;
            border: 1px solid #2e2d42;
            border-radius: 12px;
            padding: 0.7rem 1rem;
            color: #fffffe;
            font-size: 0.95rem;
            transition: border-color 0.3s;
            width: 100%;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #f9a826;
            outline: none;
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card button {
            background: #f9a826;
            border: none;
            border-radius: 40px;
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            color: #0f0e17;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            align-self: flex-start;
            font-size: 1rem;
        }
        .feedback-card button:hover {
            background: #ffcd7e;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #3e3d55;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f9a826;
        }
        .site-footer {
            background: #1a1926;
            border-top: 2px solid #2a2a3e;
            padding: 2.4rem 0 1.2rem;
            margin-top: 2.4rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
        }
        friend-link {
            display: block;
        }
        friend-link a {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            background: #1e1d2b;
            margin: 0.3rem 0.2rem;
            border: 1px solid #2e2d42;
            font-size: 0.9rem;
            transition: background 0.25s, border-color 0.25s;
        }
        friend-link a:hover {
            background: #f9a826;
            color: #0f0e17;
            border-color: #f9a826;
        }
        .copyright {
            text-align: center;
            color: #7a7a8c;
            font-size: 0.85rem;
            padding-top: 1.6rem;
            border-top: 1px solid #2a2a3e;
            margin-top: 1.6rem;
        }
        .copyright strong {
            color: #a8a8b8;
        }
        @media (max-width: 820px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a1926;
                padding: 0.6rem 0 1rem;
                border-radius: 0 0 16px 16px;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.5rem 1rem;
                border-radius: 8px;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.4rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .content-area {
                padding: 1.4rem 1rem;
            }
            .container {
                padding: 0 0.8rem;
            }
            .search-block {
                flex-wrap: wrap;
                padding: 0.4rem 0.4rem 0.4rem 1rem;
            }
            .search-block button {
                width: 100%;
                justify-content: center;
                padding: 0.6rem;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.4rem;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.2rem;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .feedback-card {
                padding: 1.2rem;
            }
        }
        .text-glow {
            color: #f9a826;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            align-items: center;
        }
        .inline-icon {
            margin-right: 0.3rem;
        }
        .table-of-contents {
            background: #1e1d2b;
            padding: 1.2rem 1.6rem;
            border-radius: 14px;
            margin: 1.6rem 0;
            border: 1px solid #2e2d42;
        }
        .table-of-contents ol {
            margin: 0.4rem 0 0;
            columns: 2 240px;
            column-gap: 2rem;
        }
        .table-of-contents a {
            display: inline-block;
            padding: 0.2rem 0;
        }
        @media (max-width: 600px) {
            .table-of-contents ol {
                columns: 1;
            }
        }
        .btn-top {
            position: fixed;
            bottom: 1.6rem;
            right: 1.6rem;
            background: #f9a826;
            color: #0f0e17;
            border: none;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(249, 168, 38, 0.3);
            transition: transform 0.25s, background 0.25s;
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .btn-top:hover {
            transform: scale(1.1);
            background: #ffcd7e;
        }