        *,
        *::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, 'Helvetica Neue', Arial, sans-serif;
            background: #f8f9fc;
            color: #1e293b;
            line-height: 1.75;
            padding: 0 1rem;
            max-width: 1280px;
            margin: 0 auto;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #1e40af;
            text-decoration: underline;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.25;
            color: #0f172a;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4em;
            border-left: 6px solid #f59e0b;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 2px solid #e2e8f0;
            padding-bottom: 0.3em;
        }
        h3 {
            font-size: 1.35rem;
            color: #1e293b;
        }
        h4 {
            font-size: 1.1rem;
            color: #334155;
        }
        p {
            margin-bottom: 1.2em;
            color: #1e293b;
        }
        ul,
        ol {
            margin: 1em 0 1.5em 1.8em;
        }
        li {
            margin-bottom: 0.5em;
        }
        strong,
        b {
            color: #0f172a;
            font-weight: 700;
        }
        em {
            font-style: italic;
            color: #475569;
        }
        hr {
            border: none;
            border-top: 2px solid #e2e8f0;
            margin: 2.5em 0;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 0.5rem;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0 0.8rem;
            border-bottom: 2px solid #e2e8f0;
            position: relative;
            background: #fff;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f59e0b, #d97706);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            font-size: 1.6rem;
            -webkit-text-fill-color: #f59e0b;
            color: #f59e0b;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #64748b;
            color: #64748b;
            letter-spacing: 0.3px;
            margin-left: 0.3rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #0f172a;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #f1f5f9;
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.2rem 1.2rem;
        }
        .main-nav a {
            font-weight: 500;
            color: #1e293b;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        .main-nav a:hover {
            background: #f1f5f9;
            color: #d97706;
            text-decoration: none;
        }
        .main-nav a.active {
            color: #d97706;
            background: #fef3c7;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 1rem 0 0.2rem;
            margin: 0 0 0.5rem;
            font-size: 0.9rem;
            color: #64748b;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #94a3b8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #2563eb;
        }
        .breadcrumb a:hover {
            color: #1e40af;
        }
        .search-wrap {
            background: #fff;
            border-radius: 60px;
            padding: 0.1rem 0.1rem 0.1rem 1.5rem;
            display: flex;
            align-items: center;
            border: 1px solid #e2e8f0;
            transition: box-shadow 0.25s, border-color 0.25s;
            max-width: 480px;
            margin: 1.2rem 0 1.8rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
        }
        .search-wrap:focus-within {
            border-color: #f59e0b;
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.15);
        }
        .search-wrap input {
            flex: 1;
            border: none;
            padding: 0.8rem 0.2rem 0.8rem 0;
            font-size: 1rem;
            background: transparent;
            outline: none;
            color: #1e293b;
            min-width: 0;
        }
        .search-wrap input::placeholder {
            color: #94a3b8;
        }
        .search-wrap button {
            background: #f59e0b;
            border: none;
            border-radius: 60px;
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }
        .search-wrap button:hover {
            background: #d97706;
            transform: scale(1.02);
        }
        .search-wrap button i {
            font-size: 0.9rem;
        }
        .hero-image-wrap {
            margin: 1.8rem 0 2.2rem;
            border-radius: 16px;
            overflow: hidden;
            background: #f1f5f9;
            position: relative;
        }
        .hero-image-wrap img {
            width: 100%;
            max-height: 520px;
            object-fit: cover;
            border-radius: 16px;
            display: block;
        }
        .hero-image-wrap .img-caption {
            padding: 0.6rem 1.2rem;
            font-size: 0.85rem;
            color: #64748b;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(4px);
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            border-top: 1px solid rgba(0, 0, 0, 0.04);
        }
        .info-box {
            background: linear-gradient(135deg, #ffffff, #faf5ff);
            border: 1px solid #e9d5ff;
            border-radius: 16px;
            padding: 1.6rem 2rem;
            margin: 2rem 0;
            box-shadow: 0 4px 16px rgba(139, 92, 246, 0.06);
        }
        .info-box h3 {
            margin-top: 0;
            color: #7c3aed;
            font-size: 1.2rem;
        }
        .info-box ul {
            margin: 0.6rem 0 0 1.2rem;
        }
        .info-box li {
            margin-bottom: 0.3rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.8rem 0;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
            background: #fff;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            min-width: 480px;
        }
        th,
        td {
            padding: 0.8rem 1.2rem;
            text-align: left;
            border-bottom: 1px solid #f1f5f9;
        }
        th {
            background: #f8fafc;
            font-weight: 600;
            color: #0f172a;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #faf5ff;
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 3rem 0 2rem;
        }
        .comment-section,
        .rating-section {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            border: 1px solid #e2e8f0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
        }
        .comment-section h3,
        .rating-section h3 {
            margin-top: 0;
            font-size: 1.25rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .comment-section textarea,
        .comment-section input {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #e2e8f0;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border-color 0.2s;
            margin-bottom: 0.8rem;
            resize: vertical;
        }
        .comment-section textarea:focus,
        .comment-section input:focus {
            border-color: #f59e0b;
            outline: none;
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.12);
        }
        .comment-section button,
        .rating-section button {
            background: #f59e0b;
            color: #fff;
            border: none;
            border-radius: 60px;
            padding: 0.7rem 2rem;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .comment-section button:hover,
        .rating-section button:hover {
            background: #d97706;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 1.8rem;
            margin: 0.6rem 0 1rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #d1d5db;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
        }
        friend-link {
            display: block;
            padding: 1.8rem 0 1rem;
            margin-top: 2.5rem;
            border-top: 2px solid #e2e8f0;
        }
        friend-link h4 {
            font-size: 1.1rem;
            margin: 0 0 0.8rem;
            color: #334155;
        }
        friend-link ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.8rem;
        }
        friend-link li {
            margin: 0;
        }
        friend-link a {
            font-size: 0.95rem;
            color: #2563eb;
            font-weight: 500;
        }
        friend-link a:hover {
            color: #1e40af;
        }
        .site-footer {
            padding: 2rem 0 2.5rem;
            border-top: 2px solid #e2e8f0;
            margin-top: 2rem;
            text-align: center;
            font-size: 0.9rem;
            color: #64748b;
        }
        .site-footer .copyright {
            font-weight: 500;
            color: #334155;
        }
        .site-footer .copyright i {
            color: #ef4444;
        }
        @media (max-width: 820px) {
            .interaction-area {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .site-header {
                padding: 0.8rem 0;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 640px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 0 0.6rem;
                gap: 0.3rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 0.5rem 0.8rem;
                border-radius: 8px;
            }
            .search-wrap {
                max-width: 100%;
                padding-left: 1rem;
            }
            .search-wrap button span {
                display: none;
            }
            .search-wrap button i {
                margin: 0;
            }
            .search-wrap button {
                padding: 0.7rem 1.2rem;
            }
            .info-box {
                padding: 1.2rem 1.2rem;
            }
            .comment-section,
            .rating-section {
                padding: 1.2rem 1.2rem;
            }
            .hero-image-wrap .img-caption {
                position: static;
                background: #f8fafc;
                padding: 0.5rem 1rem;
                font-size: 0.8rem;
            }
            h1 {
                font-size: 1.6rem;
                padding-left: 0.8rem;
                border-left-width: 4px;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            body {
                padding: 0 0.6rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            friend-link ul {
                flex-direction: column;
                gap: 0.4rem;
            }
        }
        .last-updated {
            font-size: 0.9rem;
            color: #64748b;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin: 1.2rem 0 0.2rem;
            padding: 0.4rem 0;
        }
        .last-updated i {
            color: #f59e0b;
        }
        .badge {
            display: inline-block;
            background: #fef3c7;
            color: #92400e;
            padding: 0.15rem 0.8rem;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .emoji-big {
            font-size: 1.3em;
            display: inline-block;
        }
        .highlight-box {
            background: #fef9e7;
            border-left: 4px solid #f59e0b;
            padding: 1.2rem 1.6rem;
            border-radius: 0 12px 12px 0;
            margin: 1.6rem 0;
        }
        .two-col-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.6rem 2rem;
            margin: 1rem 0 1.5rem;
        }
        @media (max-width: 500px) {
            .two-col-list {
                grid-template-columns: 1fr;
            }
        }
        .pro-tip {
            background: #ecfdf5;
            border-radius: 12px;
            padding: 1.2rem 1.6rem;
            margin: 1.6rem 0;
            border: 1px solid #a7f3d0;
        }
        .pro-tip strong {
            color: #065f46;
        }
