*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            line-height: 1.6;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #f7f9fc;
            color: #1a1e24;
            padding: 0 16px;
            transition: background 0.25s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            transition: color 0.2s, text-decoration 0.2s;
        }
        a:hover {
            color: #004a99;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 0.75rem 0;
        }
        li {
            margin-bottom: 0.35rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.25;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
            color: #0b1219;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.2rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.7rem;
            border-bottom: 2px solid #e2e8f0;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 500;
        }
        p {
            margin: 0.9rem 0;
            word-break: break-word;
        }
        strong {
            font-weight: 700;
            color: #0b1a2f;
        }
        em {
            font-style: italic;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.03);
            border-radius: 28px;
            padding: 20px 28px 40px;
            transition: all 0.2s;
        }
        @media (min-width: 768px) {
            .container {
                padding: 32px 48px 60px;
            }
            body {
                padding: 20px 32px;
            }
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0 16px;
            border-bottom: 1px solid #eef2f6;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #0b2b4a, #1c6e9b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            padding: 4px 0;
            display: inline-block;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.85;
        }
        .my-logo i {
            -webkit-text-fill-color: #1c6e9b;
            margin-right: 6px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .main-nav {
            display: none;
            flex-direction: column;
            background: #ffffff;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            z-index: 99;
            padding: 20px 24px;
            border-radius: 0 0 24px 24px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
            border: 1px solid #eef2f6;
        }
        .main-nav.open {
            display: flex;
        }
        .main-nav a {
            padding: 8px 0;
            font-weight: 500;
            color: #1a2a3a;
            border-bottom: 1px solid #f0f3f7;
            font-size: 1.05rem;
        }
        .main-nav a i {
            margin-right: 10px;
            width: 20px;
            color: #1c6e9b;
        }
        .main-nav a:hover {
            color: #0066cc;
            text-decoration: none;
            padding-left: 6px;
            transition: padding 0.15s;
        }
        .hamburger {
            background: none;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0 6px;
            color: #1a2a3a;
            transition: color 0.2s;
        }
        .hamburger:hover {
            color: #0066cc;
        }
        @media (min-width: 820px) {
            .hamburger {
                display: none;
            }
            .main-nav {
                display: flex !important;
                flex-direction: row;
                position: static;
                box-shadow: none;
                border: none;
                padding: 0;
                background: transparent;
                gap: 6px;
                flex-wrap: wrap;
            }
            .main-nav a {
                border-bottom: none;
                padding: 6px 14px;
                border-radius: 40px;
                font-size: 0.95rem;
                background: #f0f4fa;
                margin: 2px;
            }
            .main-nav a:hover {
                background: #dce6f0;
                padding-left: 14px;
            }
            .nav-wrapper {
                gap: 4px;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            padding: 14px 0 6px;
            font-size: 0.9rem;
            color: #5a6a7a;
            gap: 6px;
        }
        .breadcrumb a {
            color: #3a6a9a;
        }
        .breadcrumb i {
            font-size: 0.7rem;
            color: #9aabba;
        }
        .breadcrumb .current {
            color: #1a2a3a;
            font-weight: 500;
        }
        .search-section {
            background: #f2f6fd;
            border-radius: 60px;
            padding: 4px 4px 4px 20px;
            display: flex;
            align-items: center;
            max-width: 480px;
            margin: 20px 0 16px;
            border: 1px solid #dce4ed;
            transition: box-shadow 0.2s;
        }
        .search-section:focus-within {
            box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.15);
            border-color: #7aa9d9;
        }
        .search-section i {
            color: #6a7e94;
            font-size: 1.1rem;
        }
        .search-section input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 12px 12px;
            font-size: 1rem;
            outline: none;
            min-width: 0;
        }
        .search-section button {
            background: #1c6e9b;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 10px 22px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            white-space: nowrap;
        }
        .search-section button:hover {
            background: #0f5580;
            transform: scale(0.97);
        }
        .feature-image {
            margin: 28px 0 22px;
            border-radius: 18px;
            overflow: hidden;
            background: #eef3f8;
            text-align: center;
        }
        .feature-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .feature-image figcaption {
            padding: 8px 12px;
            font-size: 0.85rem;
            color: #4a5a6a;
            background: #f8fafc;
        }
        .interaction-panel {
            display: flex;
            flex-wrap: wrap;
            gap: 24px 40px;
            margin: 36px 0 20px;
            padding: 28px 24px;
            background: #f8faff;
            border-radius: 24px;
            border: 1px solid #e6edf6;
        }
        .comment-area,
        .score-area {
            flex: 1 1 240px;
        }
        .comment-area h3,
        .score-area h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .comment-area textarea {
            width: 100%;
            border: 1px solid #d0dce8;
            border-radius: 16px;
            padding: 14px 16px;
            font-family: inherit;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 90px;
            background: #ffffff;
            transition: border 0.2s;
        }
        .comment-area textarea:focus {
            border-color: #1c6e9b;
            outline: none;
            box-shadow: 0 0 0 3px rgba(28, 110, 155, 0.08);
        }
        .comment-area button,
        .score-area button {
            background: #1c6e9b;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 10px 28px;
            font-weight: 600;
            cursor: pointer;
            margin-top: 10px;
            transition: background 0.2s, transform 0.1s;
        }
        .comment-area button:hover,
        .score-area button:hover {
            background: #0f5580;
            transform: scale(0.97);
        }
        .score-stars {
            display: flex;
            gap: 6px;
            font-size: 1.9rem;
            color: #d0d8e0;
            cursor: pointer;
            margin: 6px 0 8px;
            flex-wrap: wrap;
        }
        .score-stars i {
            transition: color 0.15s, transform 0.1s;
        }
        .score-stars i:hover,
        .score-stars i.active {
            color: #f5b342;
        }
        .score-stars i.active {
            transform: scale(1.1);
        }
        friend-link {
            display: block;
            padding: 20px 0 12px;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 12px;
            background: #eef3f9;
            border-radius: 30px;
            font-weight: 500;
        }
        friend-link a:hover {
            background: #dce6f0;
            text-decoration: none;
        }
        .site-footer {
            border-top: 1px solid #e6edf6;
            padding: 24px 0 10px;
            margin-top: 40px;
            font-size: 0.9rem;
            color: #4a5a6a;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        .site-footer .copyright {
            opacity: 0.8;
        }
        @media (max-width: 540px) {
            .container {
                padding: 16px 14px 30px;
                border-radius: 18px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .site-header {
                flex-wrap: wrap;
            }
            .search-section {
                max-width: 100%;
                border-radius: 40px;
                flex-wrap: nowrap;
            }
            .search-section input {
                font-size: 0.9rem;
                padding: 10px 8px;
            }
            .search-section button {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
            .interaction-panel {
                padding: 18px 14px;
                gap: 20px;
            }
            .score-stars {
                font-size: 1.6rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        .divider {
            height: 1px;
            background: linear-gradient(to right, #e6edf6, transparent);
            margin: 32px 0 24px;
        }
        .text-muted {
            color: #6a7e94;
        }
        .mt-1 {
            margin-top: 0.5rem;
        }
        .mb-1 {
            margin-bottom: 0.5rem;
        }
        .tag {
            display: inline-block;
            background: #e3ebf5;
            border-radius: 40px;
            padding: 2px 14px;
            font-size: 0.8rem;
            font-weight: 500;
            color: #1a4a6a;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #4a6a82;
            background: #f0f5fc;
            display: inline-block;
            padding: 4px 18px;
            border-radius: 40px;
            margin: 10px 0 4px;
        }
        .last-updated i {
            margin-right: 6px;
        }
        blockquote {
            border-left: 4px solid #1c6e9b;
            background: #f2f8ff;
            padding: 14px 22px;
            margin: 20px 0;
            border-radius: 0 16px 16px 0;
            font-style: italic;
            color: #1a3040;
        }
        blockquote strong {
            font-style: normal;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 10px 12px;
            border: 1px solid #dde6ef;
            text-align: left;
        }
        th {
            background: #eef4fa;
            font-weight: 600;
        }
        .hl {
            background: #fcf2d9;
            padding: 0 6px;
            border-radius: 6px;
            font-weight: 500;
        }