*,
        *::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: #f6f8fa;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0057b3;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #ff6b00;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            margin-top: 0;
            color: #0d1b2a;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 1.2rem;
            border-bottom: 4px solid #ff6b00;
            padding-bottom: 0.6rem;
        }
        h2 {
            font-size: 1.8rem;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            color: #1b3a5c;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            color: #2c4a6e;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
            color: #3d5a80;
        }
        p {
            margin-bottom: 1.1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0d1b2a 0%, #1b3a5c 100%);
            color: #fff;
            padding: 0 0 0 0;
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.8rem 20px;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #ff6b00, #ff9a3c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: #ff6b00;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo span {
            font-weight: 300;
            font-size: 0.9rem;
            -webkit-text-fill-color: #aac4e0;
            display: block;
            font-size: 0.7rem;
            letter-spacing: 1px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e0e9f5;
            padding: 0.5rem 0.9rem;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 500;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: rgba(255, 107, 0, 0.25);
            color: #ff9a3c;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 5px;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        .breadcrumb-wrap {
            background: #e9edf2;
            padding: 0.6rem 0;
            border-bottom: 1px solid #d0d8e0;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            font-size: 0.85rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 10px;
            color: #6c7a8a;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #0057b3;
        }
        .breadcrumb li.active {
            color: #4a5568;
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(135deg, #0d1b2a 0%, #1b3a5c 50%, #2c4a6e 100%);
            color: #fff;
            padding: 2.5rem 0 2rem;
            margin-bottom: 2rem;
            border-radius: 0 0 40px 40px;
        }
        .hero h1 {
            font-size: 2.8rem;
            border-bottom: none;
            margin-bottom: 0.5rem;
            color: #fff;
        }
        .hero .subhead {
            font-size: 1.15rem;
            color: #cbd5e1;
            max-width: 720px;
        }
        .hero .meta-badge {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            margin-top: 1rem;
            font-size: 0.9rem;
            color: #aac4e0;
        }
        .hero .meta-badge i {
            color: #ff9a3c;
            margin-right: 5px;
        }
        .search-section {
            background: #fff;
            border-radius: 16px;
            padding: 1.2rem 1.8rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            margin-bottom: 2.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
        }
        .search-section label {
            font-weight: 700;
            color: #0d1b2a;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-form {
            display: flex;
            flex: 1;
            min-width: 200px;
            gap: 0;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 2px solid #d0d8e0;
            border-right: none;
            border-radius: 30px 0 0 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
            background: #f6f8fa;
        }
        .search-form input:focus {
            border-color: #ff6b00;
            background: #fff;
        }
        .search-form button {
            padding: 0.7rem 1.5rem;
            background: #ff6b00;
            color: #fff;
            border: none;
            border-radius: 0 30px 30px 0;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            font-size: 0.95rem;
        }
        .search-form button:hover {
            background: #e05d00;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }
        .main-article {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        }
        .sidebar-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 2px solid #ff6b00;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #edf2f7;
        }
        .sidebar-card ul li a {
            font-weight: 500;
        }
        .featured-img {
            border-radius: 16px;
            overflow: hidden;
            margin: 1.8rem 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .featured-img img {
            width: 100%;
            height: auto;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-img figcaption {
            padding: 0.8rem 1.2rem;
            background: #f0f4f8;
            font-size: 0.85rem;
            color: #4a5568;
            font-style: italic;
        }
        .interaction-area {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
            margin-bottom: 2.5rem;
        }
        .interaction-area h2 {
            margin-top: 0;
        }
        .comment-form,
        .score-form {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 1rem;
        }
        .comment-form textarea,
        .comment-form input,
        .score-form input,
        .score-form select {
            padding: 0.7rem 1rem;
            border: 2px solid #d0d8e0;
            border-radius: 10px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
            background: #f6f8fa;
            flex: 1 1 200px;
        }
        .comment-form textarea {
            min-height: 80px;
            flex-basis: 100%;
            resize: vertical;
        }
        .comment-form textarea:focus,
        .comment-form input:focus,
        .score-form input:focus,
        .score-form select:focus {
            border-color: #ff6b00;
            background: #fff;
        }
        .comment-form button,
        .score-form button {
            padding: 0.7rem 2rem;
            background: #0d1b2a;
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            font-size: 0.95rem;
        }
        .comment-form button:hover,
        .score-form button:hover {
            background: #1b3a5c;
        }
        .score-display {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .stars {
            color: #ff9a3c;
            font-size: 1.4rem;
            letter-spacing: 3px;
        }
        .site-footer {
            background: #0d1b2a;
            color: #cbd5e1;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
            border-radius: 40px 40px 0 0;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .site-footer h4 {
            color: #ff9a3c;
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #aac4e0;
        }
        .site-footer a:hover {
            color: #ff9a3c;
        }
        friend-link {
            display: block;
            margin-top: 0.5rem;
        }
        friend-link a {
            display: inline-block;
            padding: 0.2rem 0;
        }
        .copyright {
            grid-column: 1 / -1;
            border-top: 1px solid #2c4a6e;
            padding-top: 1.5rem;
            margin-top: 1rem;
            text-align: center;
            font-size: 0.85rem;
            color: #7a8a9a;
        }
        .copyright strong {
            color: #cbd5e1;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 0.8rem 0 0.4rem;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 8px;
            }
            .header-inner {
                padding: 0.6rem 16px;
            }
            .main-article {
                padding: 1.2rem 1rem;
            }
            .interaction-area {
                padding: 1.2rem 1rem;
            }
            .search-section {
                flex-direction: column;
                padding: 1rem;
            }
            .search-form {
                width: 100%;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .hero {
                padding: 1.5rem 0 1.2rem;
            }
            .breadcrumb-wrap {
                padding: 0.4rem 0;
            }
            .hero .meta-badge {
                flex-direction: column;
                gap: 0.3rem;
            }
        }
        @media (max-width: 480px) {
            html {
                font-size: 15px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.2rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .container {
                padding: 0 12px;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
        }
        .highlight-box {
            background: #f0f7ff;
            border-left: 5px solid #ff6b00;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stat-item {
            background: #f6f8fa;
            padding: 1rem;
            border-radius: 12px;
            text-align: center;
            font-weight: 600;
        }
        .stat-item .num {
            font-size: 1.8rem;
            color: #ff6b00;
            display: block;
        }
        .stat-item .label {
            font-size: 0.8rem;
            color: #4a5568;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .emoji-big {
            font-size: 1.8rem;
            vertical-align: middle;
        }
        .tag {
            display: inline-block;
            background: #e9edf2;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #1b3a5c;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        table th {
            background: #0d1b2a;
            color: #fff;
            padding: 0.6rem 1rem;
            text-align: left;
        }
        table td {
            padding: 0.5rem 1rem;
            border-bottom: 1px solid #e9edf2;
        }
        table tr:hover td {
            background: #f6f8fa;
        }