*,
        *::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, Roboto, 'Helvetica Neue', sans-serif;
            background: #f7f9fc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus {
            color: #1e40af;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            color: #0f172a;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.5rem;
        }
        h2 {
            font-size: 1.75rem;
            border-bottom: 3px solid #e2e8f0;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1rem;
        }
        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .site-header {
            background: linear-gradient(145deg, #0f172a, #1e293b);
            color: #fff;
            padding: 0.8rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #fbbf24;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.4rem;
            padding: 0.4rem 0.7rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .primary-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .primary-nav a {
            color: #e2e8f0;
            padding: 0.4rem 0.9rem;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .primary-nav a:hover,
        .primary-nav a:focus {
            background: rgba(255, 255, 255, 0.12);
            color: #fbbf24;
            text-decoration: none;
        }
        .primary-nav a.active {
            background: rgba(251, 191, 36, 0.18);
            color: #fbbf24;
        }
        .breadcrumbs {
            background: #eef2f6;
            padding: 0.5rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #dce3ed;
        }
        .breadcrumbs ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.5rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumbs li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #64748b;
        }
        .breadcrumbs a {
            color: #2563eb;
        }
        .breadcrumbs .current {
            color: #475569;
            font-weight: 500;
        }
        .main-content {
            padding: 2rem 0 3rem;
        }
        .last-updated {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #eef2f6;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #475569;
            margin-bottom: 1rem;
        }
        .last-updated i {
            color: #f59e0b;
        }
        .featured-figure {
            margin: 1.8rem 0 2.2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            background: #fff;
        }
        .featured-figure img {
            width: 100%;
            max-height: 520px;
            object-fit: cover;
        }
        .featured-figure figcaption {
            padding: 0.6rem 1.2rem;
            font-size: 0.85rem;
            color: #64748b;
            background: #f8fafc;
            border-top: 1px solid #e2e8f0;
        }
        .interaction-section {
            background: #fff;
            border-radius: 16px;
            padding: 2rem 1.8rem;
            margin: 2.5rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #e9edf4;
        }
        .interaction-section h2 {
            border-bottom: none;
            margin-top: 0;
            font-size: 1.5rem;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
        @media (max-width: 800px) {
            .interaction-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        .interaction-card {
            background: #f8fafc;
            border-radius: 12px;
            padding: 1.5rem;
            border: 1px solid #e9edf4;
        }
        .interaction-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .interaction-card form {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
            margin-top: 0.8rem;
        }
        .interaction-card input,
        .interaction-card textarea,
        .interaction-card select {
            padding: 0.7rem 1rem;
            border: 1px solid #d1d9e6;
            border-radius: 8px;
            font-size: 0.9rem;
            font-family: inherit;
            background: #fff;
            transition: border 0.2s;
        }
        .interaction-card input:focus,
        .interaction-card textarea:focus,
        .interaction-card select:focus {
            border-color: #2563eb;
            outline: none;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }
        .interaction-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .btn {
            background: #2563eb;
            color: #fff;
            border: none;
            padding: 0.7rem 1.4rem;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            justify-content: center;
        }
        .btn:hover {
            background: #1e40af;
            transform: translateY(-1px);
            text-decoration: none;
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn-secondary {
            background: #e2e8f0;
            color: #1e293b;
        }
        .btn-secondary:hover {
            background: #cbd5e1;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 1.6rem;
            color: #d1d9e6;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
        }
        .toc {
            background: #fff;
            border-radius: 12px;
            padding: 1.5rem 2rem;
            border: 1px solid #e2e8f0;
            margin: 2rem 0 2.5rem;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
        }
        .toc h2 {
            margin-top: 0;
            border-bottom: none;
            font-size: 1.3rem;
        }
        .toc ul {
            list-style: none;
            padding: 0;
            columns: 2 240px;
            column-gap: 2rem;
        }
        .toc li {
            padding: 0.25rem 0;
            break-inside: avoid;
        }
        .toc a {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: #2563eb;
            font-weight: 500;
        }
        .toc a::before {
            content: "▸";
            color: #f59e0b;
            font-weight: 700;
        }
        .event-table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
            background: #fff;
        }
        .event-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            min-width: 600px;
        }
        .event-table th {
            background: #0f172a;
            color: #fbbf24;
            padding: 0.8rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .event-table td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #e9edf4;
        }
        .event-table tr:last-child td {
            border-bottom: none;
        }
        .event-table tr:hover td {
            background: #f8fafc;
        }
        .badge {
            display: inline-block;
            padding: 0.15rem 0.7rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            background: #dbeafe;
            color: #1e40af;
        }
        .badge-hot {
            background: #fee2e2;
            color: #b91c1c;
        }
        .badge-new {
            background: #d1fae5;
            color: #065f46;
        }
        .info-box {
            background: #eef6ff;
            border-left: 5px solid #2563eb;
            padding: 1.2rem 1.8rem;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
        }
        .info-box strong {
            color: #0f172a;
        }
        .info-box.tip {
            background: #fefce8;
            border-left-color: #f59e0b;
        }
        .info-box.insight {
            background: #ecfdf5;
            border-left-color: #10b981;
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 2.5rem 0 1.8rem;
            margin-top: 2rem;
            border-top: 4px solid #fbbf24;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem 3rem;
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        .site-footer h3 {
            color: #fbbf24;
            font-size: 1.1rem;
            margin-top: 0;
            margin-bottom: 0.8rem;
        }
        .site-footer a {
            color: #93a3b8;
        }
        .site-footer a:hover {
            color: #fbbf24;
            text-decoration: none;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 1.2rem;
        }
        .footer-links li {
            margin-bottom: 0.2rem;
        }
        friend-link {
            display: block;
            margin-top: 0.3rem;
        }
        friend-link a {
            display: inline-block;
            padding: 0.2rem 0.8rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 6px;
            margin: 0.2rem 0.3rem 0.2rem 0;
            font-size: 0.85rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.8rem;
            margin-top: 1.8rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.85rem;
            color: #7e8ea0;
        }
        .copyright strong {
            color: #cbd5e1;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.3rem;
                padding: 0.8rem 0 0.3rem;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                margin-top: 0.5rem;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav a {
                padding: 0.5rem 0.8rem;
                border-radius: 8px;
                white-space: normal;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .toc ul {
                columns: 1;
            }
            .interaction-card {
                padding: 1.2rem;
            }
            .featured-figure {
                margin: 1rem 0 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.6rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .site-header {
                padding: 0.5rem 0;
            }
            .main-content {
                padding: 1.2rem 0 2rem;
            }
            .event-table {
                font-size: 0.8rem;
                min-width: 480px;
            }
            .event-table th,
            .event-table td {
                padding: 0.5rem 0.6rem;
            }
            .star-rating {
                font-size: 1.3rem;
            }
        }
        .anchor-offset {
            scroll-margin-top: 90px;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }