* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #0b0e1a;
            --secondary: #1a1f33;
            --accent: #f5a623;
            --accent2: #e8481b;
            --text: #e8e8e8;
            --text2: #b0b0c0;
            --card: #151a2b;
            --border: #2a3050;
            --radius: 12px;
            --transition: 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--primary);
            color: var(--text);
            line-height: 1.7;
            min-height: 100vh;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: #ffc857;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--secondary);
            border-bottom: 2px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 12px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent), var(--accent2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 1px;
            text-shadow: 0 0 30px rgba(245, 166, 35, 0.2);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: var(--accent);
            font-size: 1.8rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid var(--border);
            color: var(--text);
            font-size: 1.5rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: var(--card);
        }
        nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        nav a {
            padding: 8px 16px;
            border-radius: 8px;
            color: var(--text);
            font-weight: 500;
            font-size: 0.92rem;
            transition: background var(--transition), color var(--transition);
            white-space: nowrap;
        }
        nav a:hover {
            background: var(--card);
            color: var(--accent);
            text-decoration: none;
        }
        nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .nav-active {
            background: var(--card);
            color: var(--accent);
            border-bottom: 2px solid var(--accent);
        }
        .breadcrumb {
            padding: 14px 0 6px;
            font-size: 0.88rem;
            color: var(--text2);
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--text2);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb span {
            color: var(--text2);
        }
        .breadcrumb .current {
            color: var(--accent);
            font-weight: 600;
        }
        .search-wrap {
            background: var(--card);
            border-radius: var(--radius);
            padding: 24px 28px;
            margin: 20px 0 30px;
            border: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .search-wrap i {
            font-size: 1.4rem;
            color: var(--accent);
        }
        .search-wrap form {
            flex: 1;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-wrap input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: var(--primary);
            color: var(--text);
            font-size: 1rem;
            transition: border var(--transition);
        }
        .search-wrap input[type="text"]:focus {
            outline: none;
            border-color: var(--accent);
        }
        .search-wrap button {
            padding: 12px 28px;
            background: linear-gradient(135deg, var(--accent), var(--accent2));
            border: none;
            border-radius: 8px;
            color: #0b0e1a;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .search-wrap button:hover {
            transform: scale(1.03);
            box-shadow: 0 4px 20px rgba(245, 166, 35, 0.3);
        }
        main {
            padding: 10px 0 40px;
        }
        article {
            background: var(--card);
            border-radius: var(--radius);
            padding: 30px 28px;
            border: 1px solid var(--border);
            margin-bottom: 30px;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, #fff, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent);
            margin: 36px 0 16px;
            border-bottom: 2px solid var(--border);
            padding-bottom: 8px;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: #f0d8a8;
            margin: 28px 0 12px;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text2);
            margin: 20px 0 8px;
        }
        p {
            margin-bottom: 16px;
            color: var(--text);
            font-size: 1.02rem;
        }
        .highlight {
            background: rgba(245, 166, 35, 0.12);
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .insight-box {
            background: rgba(245, 166, 35, 0.07);
            border-left: 4px solid var(--accent);
            padding: 16px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 20px 0;
        }
        .insight-box strong {
            color: var(--accent);
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }
        .stat-card {
            background: var(--primary);
            border-radius: var(--radius);
            padding: 18px 16px;
            border: 1px solid var(--border);
            text-align: center;
            transition: transform var(--transition), border-color var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent);
        }
        .stat-card i {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .stat-card .num {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: var(--text2);
        }
        .feature-image {
            margin: 24px 0;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
        }
        .feature-image figcaption {
            background: var(--primary);
            padding: 10px 16px;
            font-size: 0.88rem;
            color: var(--text2);
            text-align: center;
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 30px 0 10px;
        }
        @media (max-width:768px) {
            .feedback-section {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: var(--primary);
            border-radius: var(--radius);
            padding: 22px 20px;
            border: 1px solid var(--border);
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            color: var(--accent);
            border-bottom: 1px solid var(--border);
            padding-bottom: 10px;
            margin-bottom: 16px;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: var(--secondary);
            color: var(--text);
            font-size: 0.95rem;
            transition: border var(--transition);
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            outline: none;
            border-color: var(--accent);
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card button {
            padding: 12px 20px;
            background: linear-gradient(135deg, var(--accent), var(--accent2));
            border: none;
            border-radius: 8px;
            color: #0b0e1a;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .feedback-card button:hover {
            transform: scale(1.02);
            box-shadow: 0 4px 16px rgba(245, 166, 35, 0.25);
        }
        .star-select {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: var(--border);
            cursor: pointer;
        }
        .star-select i:hover,
        .star-select i.active {
            color: var(--accent);
        }
        friend-link {
            display: block;
            margin-top: 30px;
            padding: 20px 0 10px;
            border-top: 2px solid var(--border);
        }
        friend-link h3 {
            font-size: 1.2rem;
            color: var(--accent);
            margin-bottom: 14px;
        }
        friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
        }
        friend-link li a {
            color: var(--text2);
            font-size: 0.92rem;
            transition: color var(--transition);
        }
        friend-link li a:hover {
            color: var(--accent);
        }
        footer {
            background: var(--secondary);
            border-top: 2px solid var(--border);
            padding: 30px 0 20px;
            text-align: center;
        }
        footer p {
            color: var(--text2);
            font-size: 0.9rem;
            margin-bottom: 6px;
        }
        footer .copyright {
            font-size: 0.85rem;
            color: #6a6a7a;
        }
        footer .copyright i {
            color: var(--accent2);
        }
        .updated {
            font-size: 0.9rem;
            color: var(--text2);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .updated i {
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding-top: 12px;
                border-top: 1px solid var(--border);
                margin-top: 8px;
            }
            nav.show {
                display: flex;
            }
            nav a {
                padding: 10px 14px;
                border-radius: 6px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            article {
                padding: 18px 14px;
            }
            .search-wrap {
                padding: 16px;
            }
            .search-wrap form {
                flex-direction: column;
            }
            .search-wrap input[type="text"] {
                min-width: unset;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo i {
                font-size: 1.3rem;
            }
            .stat-grid {
                grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            h1 {
                font-size: 1.4rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
            .feedback-section {
                gap: 16px;
            }
        }
        .fade-in {
            animation: fadeIn 0.3s ease;
        }
        @keyframes fadeIn {
            0% {
                opacity: 0;
                transform: translateY(-8px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .hidden-schema {
            display: none;
        }