*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #f4f7fc;
            color: #1e293b;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus-visible {
            color: #1d4ed8;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            color: #0f172a;
            margin-top: 1.8rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.2rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 3px solid #3b82f6;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #1e3a5f;
        }
        h4 {
            font-size: 1.1rem;
            color: #334155;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1120 0%, #1a2a4a 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #facc15;
            text-shadow: 0 2px 8px rgba(250, 204, 21, 0.25);
            transition: transform 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #fde047;
            text-decoration: none;
        }
        .my-logo i {
            font-size: 1.6rem;
            color: #60a5fa;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .main-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e2e8f0;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            background: rgba(255, 255, 255, 0.12);
            color: #facc15;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: 0.9rem;
        }
        .breadcrumb {
            background: #e9eef4;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d1d9e6;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #64748b;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #2563eb;
        }
        .breadcrumb .active {
            color: #475569;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #dbeafe 0%, #eff6ff 100%);
            padding: 2.8rem 0 2.2rem;
            border-bottom: 1px solid #b9d0f0;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }
        .hero h1 {
            font-size: 2.6rem;
            margin: 0 0 0.6rem;
            background: linear-gradient(135deg, #0f172a, #2563eb);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.15rem;
            color: #1e293b;
            max-width: 600px;
        }
        .hero img {
            border-radius: 16px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 2rem;
            margin-top: 1rem;
            font-size: 0.95rem;
            color: #475569;
        }
        .hero-meta i {
            color: #3b82f6;
            margin-right: 6px;
        }
        .content-wrap {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 110px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            margin-bottom: 1.8rem;
            border: 1px solid #e2e8f0;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            margin-bottom: 0.8rem;
            border-bottom: 2px solid #e2e8f0;
            padding-bottom: 0.5rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f1f5f9;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            font-weight: 500;
            display: block;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin: 1.2rem 0;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 2px solid #cbd5e1;
            border-radius: 10px;
            font-size: 1rem;
            transition: border 0.2s;
            background: #fff;
        }
        .search-form input:focus {
            border-color: #3b82f6;
            outline: none;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
        }
        .search-form button {
            background: #2563eb;
            color: #fff;
            border: none;
            padding: 0.7rem 1.4rem;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-form button:hover {
            background: #1d4ed8;
            transform: scale(1.02);
        }
        .interaction-area {
            background: #fff;
            border-radius: 16px;
            padding: 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e2e8f0;
            margin: 2.5rem 0;
        }
        .interaction-area h2 {
            margin-top: 0;
            border-bottom-color: #3b82f6;
        }
        .comment-form,
        .score-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        .comment-form textarea,
        .score-form select,
        .score-form input[type="number"] {
            padding: 0.7rem 1rem;
            border: 2px solid #cbd5e1;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border 0.2s;
            background: #fafcff;
        }
        .comment-form textarea:focus,
        .score-form select:focus,
        .score-form input:focus {
            border-color: #3b82f6;
            outline: none;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .form-row label {
            font-weight: 600;
            min-width: 100px;
        }
        .btn {
            background: #2563eb;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            align-self: flex-start;
        }
        .btn:hover {
            background: #1d4ed8;
            transform: scale(1.02);
        }
        .btn-secondary {
            background: #475569;
        }
        .btn-secondary:hover {
            background: #334155;
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.8rem;
            color: #d1d5db;
            cursor: pointer;
        }
        .star-rating i {
            transition: color 0.15s, transform 0.1s;
        }
        .star-rating i.active,
        .star-rating i:hover {
            color: #f59e0b;
            transform: scale(1.1);
        }
        friend-link {
            display: block;
            background: #1e293b;
            color: #e2e8f0;
            padding: 2rem 0;
            margin-top: 2rem;
            border-top: 4px solid #facc15;
        }
        friend-link .container {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 2rem;
            justify-content: center;
        }
        friend-link a {
            color: #93c5fd;
            font-weight: 500;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #facc15;
            text-decoration: none;
        }
        friend-link .title {
            width: 100%;
            text-align: center;
            font-size: 1.1rem;
            font-weight: 700;
            color: #facc15;
            margin-bottom: 0.4rem;
        }
        .site-footer {
            background: #0b1120;
            color: #94a3b8;
            padding: 1.8rem 0;
            text-align: center;
            font-size: 0.9rem;
            border-top: 1px solid #1e293b;
        }
        .site-footer a {
            color: #60a5fa;
        }
        .site-footer a:hover {
            color: #93c5fd;
        }
        @media (max-width: 900px) {
            .hero-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero p {
                margin: 0 auto;
            }
            .hero-meta {
                justify-content: center;
            }
            .content-wrap {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .main-content {
                order: 1;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 700px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 1rem 0 0.4rem;
                gap: 0.3rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 6px;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .form-row {
                flex-direction: column;
                align-items: stretch;
            }
            .form-row label {
                min-width: auto;
            }
            .star-rating {
                font-size: 1.5rem;
            }
            .interaction-area {
                padding: 1.2rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .hero {
                padding: 1.6rem 0;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            friend-link .container {
                flex-direction: column;
                align-items: center;
            }
        }
        .highlight {
            background: #fef9c3;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
        }
        .emoji-big {
            font-size: 1.8rem;
            line-height: 1;
        }
        .card {
            background: #fff;
            border-radius: 14px;
            padding: 1.8rem;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            border: 1px solid #e2e8f0;
            margin-bottom: 1.8rem;
        }
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        @media (max-width: 600px) {
            .two-col {
                grid-template-columns: 1fr;
            }
        }
        .tag {
            display: inline-block;
            background: #dbeafe;
            color: #1e40af;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .table-wrap {
            overflow-x: auto;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 1rem 0;
        }
        th,
        td {
            padding: 0.6rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        th {
            background: #f1f5f9;
            font-weight: 700;
        }
        tr:hover td {
            background: #f8fafc;
        }
        .fade-in {
            animation: fadeIn 0.6s ease forwards;
        }
        @keyframes fadeIn {
            0% {
                opacity: 0;
                transform: translateY(12px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }