*,
        *::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, 'Helvetica Neue', sans-serif;
            background: #0b0d10;
            color: #e0e4e8;
            line-height: 1.7;
            padding: 0 1rem;
            max-width: 1400px;
            margin: 0 auto;
            min-height: 100vh;
        }
        a {
            color: #f5a623;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #ffd166;
            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: #f0f4f8;
        }
        h1 {
            font-size: 2.4rem;
            margin: 1.2rem 0 0.8rem;
            border-bottom: 3px solid #f5a623;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2.4rem 0 1rem;
            border-left: 5px solid #f5a623;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.35rem;
            margin: 1.8rem 0 0.7rem;
            color: #f5c842;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.2rem 0 0.5rem;
            color: #b0c4de;
        }
        p {
            margin-bottom: 1.1rem;
            font-size: 1.02rem;
        }
        strong {
            color: #f5a623;
        }
        .container {
            background: #12161c;
            border-radius: 20px;
            padding: 1.5rem 2rem 2rem;
            margin: 1rem 0 2rem;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.7);
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0 0.6rem;
            border-bottom: 1px solid #2a2e38;
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: 4px;
            text-transform: uppercase;
            background: linear-gradient(135deg, #f5a623, #f7d94e, #f5a623);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            transition: transform 0.2s;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .my-logo small {
            font-size: 0.6rem;
            -webkit-text-fill-color: #8892a0;
            display: block;
            letter-spacing: 1px;
            font-weight: 400;
        }
        .nav-bar {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .nav-bar a {
            padding: 0.4rem 0.9rem;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 500;
            background: #1f252e;
            color: #c8d0dc;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .nav-bar a:hover {
            background: #f5a623;
            color: #0b0d10;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #f5a623;
            color: #f5a623;
            font-size: 1.6rem;
            padding: 0.2rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .hamburger:hover {
            background: #f5a623;
            color: #0b0d10;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.7rem 0 0.3rem;
            font-size: 0.88rem;
            color: #8892a0;
            gap: 0.4rem;
        }
        .breadcrumb li+li::before {
            content: "▸";
            margin-right: 0.5rem;
            color: #f5a623;
        }
        .breadcrumb a {
            color: #b0c4de;
        }
        .breadcrumb a:hover {
            color: #f5a623;
        }
        .search-box {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin: 1.8rem 0 1rem;
            background: #1a1f28;
            padding: 1rem 1.4rem;
            border-radius: 50px;
            align-items: center;
            border: 1px solid #2e3540;
        }
        .search-box i {
            color: #f5a623;
            font-size: 1.2rem;
        }
        .search-box input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 0.5rem 0.2rem;
            color: #e0e4e8;
            font-size: 1rem;
            outline: none;
            min-width: 120px;
        }
        .search-box input::placeholder {
            color: #5f6a7a;
        }
        .search-box button {
            background: #f5a623;
            border: none;
            padding: 0.5rem 1.6rem;
            border-radius: 40px;
            font-weight: 700;
            color: #0b0d10;
            cursor: pointer;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .search-box button:hover {
            background: #ffd166;
            transform: scale(1.02);
        }
        .toc {
            background: #1a1f28;
            border-radius: 16px;
            padding: 1.4rem 1.8rem;
            margin: 1.6rem 0 2rem;
            border-left: 5px solid #f5a623;
        }
        .toc h3 {
            margin-top: 0;
            color: #f5a623;
            font-size: 1.2rem;
        }
        .toc ul {
            columns: 2 240px;
            list-style: none;
            padding: 0;
        }
        .toc li {
            padding: 0.2rem 0;
        }
        .toc a {
            color: #b0c4de;
            font-size: 0.95rem;
        }
        .toc a:hover {
            color: #f5a623;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1rem;
            margin: 1.6rem 0;
        }
        .stat-card {
            background: #1a1f28;
            padding: 1.2rem 1rem;
            border-radius: 14px;
            text-align: center;
            border: 1px solid #2e3540;
            transition: 0.2s;
        }
        .stat-card:hover {
            border-color: #f5a623;
            transform: translateY(-3px);
        }
        .stat-card i {
            font-size: 2rem;
            color: #f5a623;
            margin-bottom: 0.4rem;
        }
        .stat-card .num {
            font-size: 1.7rem;
            font-weight: 800;
            color: #f5f7fa;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #8892a0;
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.6rem;
            margin: 2rem 0 1.2rem;
        }
        @media (max-width: 700px) {
            .interact-grid {
                grid-template-columns: 1fr;
            }
        }
        .interact-card {
            background: #1a1f28;
            border-radius: 16px;
            padding: 1.4rem 1.6rem;
            border: 1px solid #2e3540;
        }
        .interact-card h4 {
            margin-top: 0;
            color: #f5a623;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .interact-card textarea,
        .interact-card input,
        .interact-card select {
            width: 100%;
            background: #0f131a;
            border: 1px solid #2e3540;
            border-radius: 10px;
            padding: 0.7rem 0.9rem;
            color: #e0e4e8;
            font-size: 0.95rem;
            margin: 0.4rem 0 0.8rem;
            outline: none;
            font-family: inherit;
        }
        .interact-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interact-card button {
            background: #f5a623;
            border: none;
            padding: 0.5rem 1.6rem;
            border-radius: 40px;
            font-weight: 700;
            color: #0b0d10;
            cursor: pointer;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .interact-card button:hover {
            background: #ffd166;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #3a404c;
            cursor: pointer;
            margin: 0.2rem 0 0.6rem;
        }
        .star-rating i.active {
            color: #f5a623;
        }
        .star-rating i:hover,
        .star-rating i.hover {
            color: #f5c842;
        }
        .link-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            background: #1a1f28;
            border-radius: 14px;
            padding: 1rem 1.4rem;
            margin: 1.2rem 0;
            border: 1px solid #2e3540;
        }
        .link-group a {
            font-size: 0.92rem;
        }
        friend-link {
            display: block;
            background: #1a1f28;
            border-radius: 16px;
            padding: 1.2rem 1.6rem;
            margin: 1.6rem 0 0.8rem;
            border-top: 3px solid #f5a623;
        }
        friend-link .fl-head {
            font-weight: 700;
            color: #f5a623;
            font-size: 1.1rem;
            margin-bottom: 0.6rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        friend-link .fl-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.6rem;
        }
        friend-link .fl-list a {
            font-size: 0.92rem;
        }
        .site-footer {
            border-top: 1px solid #2a2e38;
            padding: 1.6rem 0 2rem;
            margin-top: 2rem;
            text-align: center;
            font-size: 0.88rem;
            color: #5f6a7a;
        }
        .site-footer .copy {
            color: #8892a0;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.6rem;
            }
            .container {
                padding: 1rem 1rem 1.6rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .nav-bar {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.4rem;
                padding: 0.8rem 0 0.2rem;
            }
            .nav-bar.show {
                display: flex;
            }
            .hamburger {
                display: inline-block;
            }
            .site-header {
                align-items: center;
            }
            .toc ul {
                columns: 1;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .search-box {
                border-radius: 20px;
                padding: 0.8rem 1rem;
            }
            .search-box button {
                padding: 0.4rem 1.2rem;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        .tag {
            display: inline-block;
            background: #2a2e38;
            border-radius: 30px;
            padding: 0.15rem 0.8rem;
            font-size: 0.75rem;
            color: #b0c4de;
            margin-right: 0.3rem;
        }
        .emoji {
            font-style: normal;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #6a7a8a;
            margin: 0.8rem 0 1.6rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .last-updated i {
            color: #f5a623;
        }
        .feature-img {
            border-radius: 16px;
            margin: 1.6rem 0 1rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
        }
        .quote-block {
            border-left: 4px solid #f5a623;
            background: #1a1f28;
            padding: 0.8rem 1.4rem;
            border-radius: 0 12px 12px 0;
            margin: 1.2rem 0;
            font-style: italic;
            color: #c8d0dc;
        }
        .quote-block cite {
            display: block;
            margin-top: 0.4rem;
            font-size: 0.85rem;
            color: #f5a623;
        }