*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f4f5f9;
            color: #1e1e2a;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #b0392b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus-visible {
            color: #7a231a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            color: #0f0f1a;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 0.75rem;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2.2rem 0 1rem 0;
            border-left: 5px solid #b0392b;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.35rem;
            margin: 1.8rem 0 0.6rem 0;
            color: #2a2a3e;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.4rem 0 0.4rem 0;
            color: #3a3a4e;
        }
        p {
            margin-bottom: 1.2rem;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.4rem 2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        blockquote {
            border-left: 4px solid #b0392b;
            background: #f0ece6;
            padding: 0.8rem 1.4rem;
            margin: 1.4rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #2f2f3f;
        }
        hr {
            border: none;
            height: 2px;
            background: linear-gradient(to right, #b0392b, transparent);
            margin: 2.4rem 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        header {
            background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 100%);
            color: #f0f0f5;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            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;
            gap: 0.6rem 1.2rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #f5d742;
            text-shadow: 0 2px 8px rgba(245, 215, 66, 0.25);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #ffea6a;
            text-decoration: none;
        }
        .my-logo i {
            color: #b0392b;
            margin-right: 0.3rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f0f0f5;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        nav {
            display: flex;
            gap: 0.2rem 1.4rem;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #dcdce6;
            font-weight: 500;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        nav a:hover {
            color: #f5d742;
            border-bottom-color: #f5d742;
            text-decoration: none;
        }
        nav a i {
            margin-right: 0.3rem;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #e8e9ef;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d0d1db;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #888;
            margin-right: 0.6rem;
        }
        .breadcrumb a {
            color: #4a4a5a;
        }
        .breadcrumb .active {
            color: #b0392b;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #1e1e32 0%, #2a2a42 100%);
            color: #f0f0f5;
            padding: 3rem 0 2.6rem;
            margin-bottom: 2rem;
            border-bottom: 4px solid #b0392b;
        }
        .hero h1 {
            color: #f5d742;
            font-size: 2.6rem;
            text-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 780px;
            color: #cacae0;
            margin-top: 0.6rem;
        }
        .hero .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 2rem;
            margin-top: 1.2rem;
            font-size: 0.9rem;
            color: #aab;
        }
        .hero .meta-info i {
            margin-right: 0.4rem;
            color: #f5d742;
        }
        .search-section {
            background: #fff;
            padding: 1.6rem 0;
            border-bottom: 1px solid #d0d1db;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            max-width: 620px;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1.2rem;
            border: 2px solid #d0d1db;
            border-radius: 40px;
            font-size: 1rem;
            background: #f9f9fd;
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .search-form input:focus {
            outline: none;
            border-color: #b0392b;
            box-shadow: 0 0 0 3px rgba(176, 57, 43, 0.15);
        }
        .search-form button {
            background: #b0392b;
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #7a231a;
            transform: scale(1.02);
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.4rem;
            margin: 2rem 0;
        }
        @media(max-width:900px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
        }
        .content-area {
            background: #fff;
            padding: 2rem 2.2rem;
            border-radius: 20px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
        }
        .sidebar {
            background: #fff;
            padding: 1.6rem 1.6rem;
            border-radius: 20px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
            align-self: start;
            position: sticky;
            top: 80px;
        }
        @media(max-width:900px) {
            .sidebar {
                position: static;
            }
        }
        .sidebar h3 {
            font-size: 1.2rem;
            border-bottom: 2px solid #e8e9ef;
            padding-bottom: 0.5rem;
            margin-bottom: 0.8rem;
        }
        .sidebar ul {
            list-style: none;
            margin: 0;
        }
        .sidebar li {
            margin-bottom: 0.5rem;
        }
        .sidebar a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .sidebar a:hover {
            background: #f0ece6;
            text-decoration: none;
        }
        .featured-image {
            margin: 1.8rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: #f4f5f9;
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #555;
            text-align: center;
        }
        .interact-section {
            background: #f9f9fd;
            padding: 2rem 2.2rem;
            border-radius: 20px;
            margin: 2.4rem 0;
            border: 1px solid #e0e1ea;
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        @media(max-width:600px) {
            .interact-grid {
                grid-template-columns: 1fr;
            }
        }
        .interact-card {
            background: #fff;
            padding: 1.6rem 1.8rem;
            border-radius: 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .interact-card h3 {
            margin-top: 0;
            border-bottom: 2px solid #e8e9ef;
            padding-bottom: 0.5rem;
        }
        .interact-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .interact-card input,
        .interact-card textarea,
        .interact-card select {
            padding: 0.6rem 1rem;
            border: 2px solid #d0d1db;
            border-radius: 10px;
            font-size: 0.95rem;
            background: #fcfcff;
            transition: border-color 0.2s;
        }
        .interact-card input:focus,
        .interact-card textarea:focus,
        .interact-card select:focus {
            outline: none;
            border-color: #b0392b;
        }
        .interact-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interact-card .btn-submit {
            background: #b0392b;
            color: #fff;
            border: none;
            padding: 0.65rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            align-self: flex-start;
        }
        .interact-card .btn-submit:hover {
            background: #7a231a;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.6rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        footer {
            background: #0f0f1a;
            color: #b0b0c0;
            padding: 2.4rem 0 1.2rem;
            margin-top: 3rem;
            border-top: 4px solid #b0392b;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        @media(max-width:700px) {
            footer .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        footer a {
            color: #c0c0d0;
        }
        footer a:hover {
            color: #f5d742;
        }
        footer .copyright {
            border-top: 1px solid #2a2a3e;
            padding-top: 1.2rem;
            margin-top: 1.6rem;
            text-align: center;
            font-size: 0.85rem;
        }
        friend-link {
            display: block;
            margin: 0.8rem 0;
            font-weight: 500;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.6rem 0.2rem 0;
            padding: 0.2rem 0.8rem;
            background: #1e1e32;
            border-radius: 30px;
            font-size: 0.85rem;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: #2a2a42;
            text-decoration: none;
        }
        @media(max-width:680px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.3rem 0;
                padding: 0.8rem 0 0.2rem;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
                margin-top: 0.4rem;
            }
            nav.show {
                display: flex;
            }
            nav a {
                padding: 0.5rem 0.4rem;
                border-bottom: none;
                border-left: 3px solid transparent;
            }
            nav a:hover {
                border-left-color: #f5d742;
            }
            .header-inner {
                align-items: center;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .content-area {
                padding: 1.2rem 1rem;
            }
            .interact-section {
                padding: 1.2rem 1rem;
            }
            .sidebar {
                padding: 1.2rem 1rem;
            }
        }
        .highlight-box {
            background: #f0ece6;
            border-radius: 16px;
            padding: 1.4rem 1.8rem;
            margin: 1.6rem 0;
            border-left: 6px solid #b0392b;
        }
        .highlight-box strong {
            color: #b0392b;
        }
        .tag {
            display: inline-block;
            background: #e8e9ef;
            padding: 0.15rem 0.8rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #3a3a4e;
            margin-right: 0.3rem;
        }
        .btn-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #b0392b;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(176, 57, 43, 0.3);
            transition: transform 0.2s, background 0.2s;
            z-index: 50;
            border: none;
            cursor: pointer;
        }
        .btn-top:hover {
            transform: translateY(-4px);
            background: #7a231a;
        }
        @media(max-width:480px) {
            .btn-top {
                right: 1rem;
                bottom: 1rem;
                width: 40px;
                height: 40px;
                font-size: 1.2rem;
            }
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.6rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        th,
        td {
            padding: 0.6rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e0e1ea;
        }
        th {
            background: #f0ece6;
            font-weight: 700;
            color: #1e1e2a;
        }
        tr:hover td {
            background: #f9f7f3;
        }
        .schema-hidden {
            display: none;
        }