*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #0d1117;
            color: #e6edf3;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #f0a500;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #ffc857;
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 2px dashed #f0a500;
            outline-offset: 4px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #f0f4f8;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
        }
        h1 {
            font-size: 2.6rem;
            margin-top: 0.4em;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            border-bottom: 2px solid #f0a50040;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #d4dfeb;
        }
        p {
            margin-bottom: 1.2rem;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.4rem 1.8rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        strong {
            color: #f0a500;
            font-weight: 600;
        }
        blockquote {
            border-left: 4px solid #f0a500;
            padding: 0.8rem 1.2rem;
            margin: 1.4rem 0;
            background: #161b22;
            border-radius: 0 8px 8px 0;
            font-style: italic;
            color: #c9d1d9;
        }
        code {
            background: #1e242c;
            padding: 0.2rem 0.6rem;
            border-radius: 4px;
            font-size: 0.9em;
            color: #f0a500;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: #0d1117;
            border-bottom: 1px solid #21262d;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(8px);
            background: rgba(13, 17, 23, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #f0a500, #ff6a00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 20px #f0a50030;
            display: flex;
            align-items: center;
            gap: 0.3rem;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo i {
            -webkit-text-fill-color: #f0a500;
            font-size: 1.4rem;
        }
        .my-logo span {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #8b949e;
            letter-spacing: 0.04em;
            margin-left: 0.2rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f0a500;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #21262d;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .nav-menu a {
            padding: 0.4rem 0.9rem;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #c9d1d9;
            transition: background 0.2s, color 0.2s;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            background: #21262d;
            color: #f0a500;
            text-decoration: none;
        }
        .breadcrumb {
            background: #161b22;
            padding: 0.6rem 1.2rem;
            border-radius: 8px;
            margin: 1rem 0;
            font-size: 0.85rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            align-items: center;
        }
        .breadcrumb a {
            color: #8b949e;
        }
        .breadcrumb a:hover {
            color: #f0a500;
        }
        .breadcrumb span {
            color: #8b949e;
        }
        .breadcrumb .current {
            color: #f0a500;
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(145deg, #0d1117 0%, #161b22 100%);
            border-radius: 16px;
            padding: 2.4rem 2rem;
            margin: 1.8rem 0 2.4rem;
            border: 1px solid #21262d;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
        }
        .hero-content h1 {
            margin-top: 0;
            font-size: 2.2rem;
        }
        .hero-content p {
            font-size: 1.1rem;
            color: #b0b8c4;
            max-width: 540px;
        }
        .hero-image {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
        }
        .hero-image img {
            width: 100%;
            height: auto;
            min-height: 200px;
            object-fit: cover;
            background: #1e242c;
        }
        .hero-meta {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
            margin-top: 1rem;
            font-size: 0.85rem;
            color: #8b949e;
        }
        .hero-meta i {
            margin-right: 0.3rem;
            color: #f0a500;
        }
        .section-card {
            background: #161b22;
            border-radius: 12px;
            padding: 1.8rem 2rem;
            margin-bottom: 2rem;
            border: 1px solid #21262d;
            transition: border-color 0.2s;
        }
        .section-card:hover {
            border-color: #30363d;
        }
        .op-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.2rem;
            margin: 1.4rem 0;
        }
        .op-card {
            background: #0d1117;
            border-radius: 10px;
            padding: 1.2rem 1.4rem;
            border: 1px solid #21262d;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .op-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(240, 165, 0, 0.08);
            border-color: #f0a50040;
        }
        .op-card h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .op-card h4 i {
            color: #f0a500;
            font-size: 1.1rem;
        }
        .op-card .role {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 20px;
            background: #21262d;
            color: #f0a500;
            margin-top: 0.3rem;
        }
        .op-card .role.anchor {
            background: #1a3a2a;
            color: #5be0a0;
        }
        .op-card .role.roamer {
            background: #3a1a1a;
            color: #f08a8a;
        }
        .op-card .role.flex {
            background: #2a2a1a;
            color: #e0d05b;
        }
        .search-box {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
            margin: 1rem 0 0.4rem;
        }
        .search-box input {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1rem;
            border-radius: 8px;
            border: 1px solid #30363d;
            background: #0d1117;
            color: #e6edf3;
            font-size: 1rem;
            transition: border 0.2s;
        }
        .search-box input:focus {
            border-color: #f0a500;
            outline: none;
            box-shadow: 0 0 0 3px #f0a50020;
        }
        .search-box button {
            padding: 0.7rem 1.6rem;
            border-radius: 8px;
            border: none;
            background: #f0a500;
            color: #0d1117;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-box button:hover {
            background: #ffc857;
            transform: scale(1.02);
        }
        .search-box button:active {
            transform: scale(0.98);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.4rem;
            margin: 1.4rem 0;
        }
        .feedback-card {
            background: #0d1117;
            border-radius: 10px;
            padding: 1.4rem 1.6rem;
            border: 1px solid #21262d;
        }
        .feedback-card h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card textarea,
        .feedback-card input[type="text"],
        .feedback-card select {
            width: 100%;
            padding: 0.7rem 1rem;
            border-radius: 6px;
            border: 1px solid #30363d;
            background: #0d1117;
            color: #e6edf3;
            font-size: 0.95rem;
            font-family: inherit;
            margin: 0.4rem 0 0.8rem;
            transition: border 0.2s;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus,
        .feedback-card select:focus {
            border-color: #f0a500;
            outline: none;
            box-shadow: 0 0 0 3px #f0a50020;
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            padding: 0.6rem 1.4rem;
            border-radius: 6px;
            border: none;
            background: #f0a500;
            color: #0d1117;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card .btn-submit:hover {
            background: #ffc857;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            margin: 0.4rem 0 0.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #30363d;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f0a500;
        }
        .star-rating label i {
            pointer-events: none;
        }
        friend-link {
            display: block;
            margin-top: 1.6rem;
            padding: 1.4rem 1.8rem;
            background: #161b22;
            border-radius: 10px;
            border: 1px solid #21262d;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.6rem 0.2rem 0;
            padding: 0.3rem 0.8rem;
            background: #0d1117;
            border-radius: 6px;
            font-size: 0.9rem;
            border: 1px solid #30363d;
            transition: border-color 0.2s;
        }
        friend-link a:hover {
            border-color: #f0a500;
            text-decoration: none;
        }
        .site-footer {
            background: #0d1117;
            border-top: 1px solid #21262d;
            padding: 2rem 0 1.4rem;
            margin-top: 3rem;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.85rem;
            color: #8b949e;
        }
        .footer-inner .copyright i {
            color: #f0a500;
        }
        .schema-hidden {
            display: none;
        }
        @media (max-width: 860px) {
            .hero {
                grid-template-columns: 1fr;
                padding: 1.6rem 1.2rem;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: #161b22;
                border-radius: 8px;
                padding: 0.6rem;
                margin-top: 0.4rem;
                border: 1px solid #21262d;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 0.6rem 1rem;
                border-bottom: 1px solid #21262d;
            }
            .nav-menu a:last-child {
                border-bottom: none;
            }
            .op-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .section-card {
                padding: 1.2rem 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .hero {
                padding: 1.2rem 0.8rem;
            }
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .search-box input {
                min-width: 120px;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 0.4rem 0.8rem;
            }
        }
        .section-card,
        .op-card,
        .feedback-card,
        .hero {
            transition: background 0.2s, border-color 0.2s;
        }
        .anchor-offset {
            scroll-margin-top: 80px;
        }
        .text-accent {
            color: #f0a500;
        }
        .text-muted {
            color: #8b949e;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.8rem;
        }
        .gap-1 {
            gap: 1rem;
        }
        .badge {
            display: inline-block;
            background: #21262d;
            padding: 0.15rem 0.6rem;
            border-radius: 12px;
            font-size: 0.75rem;
            color: #8b949e;
        }