*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: #0b0e1a;
            color: #e4e8f0;
            line-height: 1.75;
            padding: 0;
            margin: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #6fc3ff;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #ffcc4d;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.01em;
        }
        h1 {
            font-size: 2.4rem;
            margin: 0.5em 0 0.3em;
        }
        h2 {
            font-size: 1.8rem;
            margin: 1.2em 0 0.5em;
            border-left: 5px solid #ffcc4d;
            padding-left: 0.8rem;
        }
        h3 {
            font-size: 1.35rem;
            margin: 1em 0 0.4em;
            color: #b8d0ff;
        }
        h4 {
            font-size: 1.1rem;
            margin: 0.8em 0 0.3em;
            color: #9bb5f0;
        }
        p {
            margin: 0.6em 0 1em;
            max-width: 75ch;
        }
        ul,
        ol {
            padding-left: 1.6rem;
            margin: 0.5em 0 1em;
        }
        li {
            margin: 0.3em 0;
        }
        hr {
            border: none;
            border-top: 2px solid #2a314a;
            margin: 2rem 0;
        }
        strong {
            color: #ffcc4d;
            font-weight: 700;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
            width: 100%;
        }
        .site-header {
            background: linear-gradient(135deg, #0f1424 0%, #1a2240 100%);
            border-bottom: 2px solid #2f3a6b;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            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: 0.8rem;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            background: linear-gradient(135deg, #ffcc4d, #ff8a5c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.02em;
            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: initial;
            color: #ffcc4d;
            font-size: 1.8rem;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            -webkit-text-fill-color: inherit;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #4a5a9a;
            color: #e4e8f0;
            font-size: 1.5rem;
            padding: 0.3rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #2a314a;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.92rem;
            color: #c8d0e8;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: #2f3a6b;
            color: #ffcc4d;
            text-decoration: none;
        }
        .breadcrumb-wrap {
            background: #141a2e;
            padding: 0.5rem 0;
            border-bottom: 1px solid #252f52;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: #8a9bc0;
        }
        .breadcrumb a {
            color: #8a9bc0;
        }
        .breadcrumb a:hover {
            color: #ffcc4d;
        }
        .breadcrumb .sep {
            color: #4a5a9a;
            margin: 0 0.2rem;
        }
        .hero {
            padding: 2rem 0 1rem;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
        }
        .hero h1 {
            font-size: 2.8rem;
            margin-top: 0;
            background: linear-gradient(135deg, #ffcc4d, #ff8a5c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.1rem;
            color: #b8c8f0;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 0.8rem;
            font-size: 0.9rem;
            color: #7a8db8;
        }
        .hero-meta i {
            margin-right: 0.3rem;
        }
        .hero-img {
            border-radius: 16px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
            transition: transform 0.3s;
        }
        .hero-img:hover {
            transform: scale(1.01);
        }
        .search-section {
            background: #141a2e;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 1.5rem 0;
            border: 1px solid #252f52;
        }
        .search-form {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 0.8rem 1.2rem;
            border-radius: 40px;
            border: 2px solid #2f3a6b;
            background: #0b0e1a;
            color: #e4e8f0;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input[type="text"]:focus {
            border-color: #ffcc4d;
        }
        .search-form button {
            padding: 0.8rem 2rem;
            border-radius: 40px;
            border: none;
            background: linear-gradient(135deg, #ffcc4d, #ff8a5c);
            color: #0b0e1a;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            transform: scale(1.03);
            box-shadow: 0 6px 24px rgba(255, 204, 77, 0.3);
        }
        .content-area {
            padding: 1rem 0 2rem;
        }
        .two-col {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2.5rem;
            align-items: start;
        }
        .main-article p,
        .main-article li {
            font-size: 1.02rem;
        }
        .sidebar-box {
            background: #141a2e;
            border-radius: 16px;
            padding: 1.5rem 1.8rem;
            border: 1px solid #252f52;
            margin-bottom: 2rem;
        }
        .sidebar-box h3 {
            margin-top: 0;
            border-bottom: 2px solid #2f3a6b;
            padding-bottom: 0.5rem;
        }
        .sidebar-box ul {
            list-style: none;
            padding-left: 0;
        }
        .sidebar-box li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #1f2744;
        }
        .sidebar-box li:last-child {
            border-bottom: none;
        }
        .sidebar-box a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-box a i {
            width: 1.2rem;
            color: #ffcc4d;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stat-card {
            background: #1a2240;
            border-radius: 14px;
            padding: 1.2rem;
            text-align: center;
            border: 1px solid #2a314a;
            transition: transform 0.2s, border-color 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            border-color: #ffcc4d;
        }
        .stat-card .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffcc4d;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #8a9bc0;
            margin-top: 0.2rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #141a2e;
            border-radius: 12px;
            overflow: hidden;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #252f52;
        }
        th {
            background: #1f2744;
            color: #ffcc4d;
            font-weight: 600;
        }
        tr:hover td {
            background: #1a2240;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2rem 0;
        }
        .interaction-card {
            background: #141a2e;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            border: 1px solid #252f52;
        }
        .interaction-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .interaction-card form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        .interaction-card input,
        .interaction-card textarea,
        .interaction-card select {
            padding: 0.7rem 1rem;
            border-radius: 10px;
            border: 2px solid #2f3a6b;
            background: #0b0e1a;
            color: #e4e8f0;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
        }
        .interaction-card input:focus,
        .interaction-card textarea:focus,
        .interaction-card select:focus {
            border-color: #ffcc4d;
        }
        .interaction-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .interaction-card button {
            padding: 0.7rem 1.8rem;
            border-radius: 40px;
            border: none;
            background: linear-gradient(135deg, #ffcc4d, #ff8a5c);
            color: #0b0e1a;
            font-weight: 700;
            cursor: pointer;
            transition: transform 0.2s;
            align-self: flex-start;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .interaction-card button:hover {
            transform: scale(1.03);
        }
        .score-display {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            margin-top: 0.5rem;
            font-size: 1.2rem;
        }
        .score-display .stars {
            color: #ffcc4d;
            letter-spacing: 2px;
        }
        .site-footer {
            background: #0a0d1a;
            border-top: 2px solid #1f2744;
            padding: 2.5rem 0 1.2rem;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
        }
        .footer-grid h4 {
            color: #ffcc4d;
            margin-bottom: 0.8rem;
        }
        .footer-grid ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-grid li {
            padding: 0.2rem 0;
        }
        .footer-grid a {
            color: #8a9bc0;
            font-size: 0.92rem;
        }
        .footer-grid a:hover {
            color: #ffcc4d;
        }
        friend-link {
            display: block;
            padding: 1.2rem 0;
            border-top: 1px solid #1f2744;
            margin-top: 1.5rem;
            font-size: 0.95rem;
            color: #8a9bc0;
        }
        friend-link a {
            color: #8a9bc0;
            margin: 0 0.3rem;
        }
        friend-link a:hover {
            color: #ffcc4d;
        }
        .copyright {
            text-align: center;
            padding-top: 1.2rem;
            font-size: 0.85rem;
            color: #5a6a8a;
            border-top: 1px solid #1a203a;
        }
        .copyright a {
            color: #5a6a8a;
        }
        @media (max-width: 860px) {
            .hero-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-meta {
                justify-content: center;
            }
            .two-col {
                grid-template-columns: 1fr;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 0.2rem;
                padding: 0.8rem 0 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.7rem 1rem;
                border-radius: 10px;
                text-align: center;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input[type="text"] {
                min-width: unset;
                width: 100%;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .header-inner {
                position: relative;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .sidebar-box {
                padding: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .stat-card .num {
                font-size: 1.6rem;
            }
            .interaction-card {
                padding: 1.2rem;
            }
            .search-section {
                padding: 1.2rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        :focus-visible {
            outline: 3px solid #ffcc4d;
            outline-offset: 2px;
        }
        .tag {
            display: inline-block;
            background: #2f3a6b;
            padding: 0.2rem 0.9rem;
            border-radius: 30px;
            font-size: 0.75rem;
            color: #c8d0e8;
            margin: 0.2rem 0.1rem;
        }
        .tag i {
            margin-right: 0.3rem;
        }
        .emoji-big {
            font-size: 1.8rem;
        }
        .mt-2 {
            margin-top: 1.5rem;
        }
        .mb-1 {
            margin-bottom: 0.8rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.8rem;
        }