*,
        *::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, sans-serif;
            background: #f5f7fc;
            color: #1a1e2c;
            line-height: 1.75;
            padding: 0 0 2rem 0;
        }
        a {
            color: #1a5fb4;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #e67e22;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0d1b2a 0%, #1b2838 100%);
            color: #fff;
            padding: 1rem 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: 0.8rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f7b731, #e67e22);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            background: none;
            -webkit-text-fill-color: #f7b731;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #aac;
            letter-spacing: 0.3px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #d0d8e8;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.4rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #f7b731;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 0.3rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        .nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #eef1f7;
            padding: 0.6rem 1.2rem;
            border-radius: 10px;
            margin: 1rem 0 1.5rem 0;
            font-size: 0.9rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem;
        }
        .breadcrumb a {
            color: #1a5fb4;
        }
        .breadcrumb a:hover {
            color: #e67e22;
        }
        .breadcrumb span {
            color: #4a5568;
        }
        .breadcrumb .sep {
            color: #8a9bb5;
            margin: 0 0.2rem;
        }
        .search-block {
            background: #fff;
            border-radius: 12px;
            padding: 1.5rem 1.8rem;
            margin: 1.8rem 0;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
        }
        .search-block label {
            font-weight: 600;
            color: #1a1e2c;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-block form {
            display: flex;
            flex: 1 1 300px;
            gap: 0.6rem;
        }
        .search-block input[type="text"] {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 2px solid #dce3ef;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.2s;
        }
        .search-block input[type="text"]:focus {
            border-color: #1a5fb4;
            outline: none;
        }
        .search-block button {
            background: #1a5fb4;
            color: #fff;
            border: none;
            padding: 0.7rem 1.4rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-block button:hover {
            background: #0e4a8a;
            transform: scale(1.02);
        }
        .content {
            background: #fff;
            border-radius: 16px;
            padding: 2rem 2.2rem;
            margin: 1.2rem 0 2rem 0;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
        }
        .content h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 0.6rem;
            color: #0d1b2a;
            border-left: 5px solid #e67e22;
            padding-left: 1rem;
        }
        .content h1 i {
            color: #e67e22;
            margin-right: 0.4rem;
        }
        .content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 2.2rem 0 1rem 0;
            color: #0d1b2a;
            border-bottom: 3px solid #eef1f7;
            padding-bottom: 0.4rem;
        }
        .content h2 i {
            color: #e67e22;
            margin-right: 0.5rem;
        }
        .content h3 {
            font-size: 1.35rem;
            font-weight: 600;
            margin: 1.8rem 0 0.8rem 0;
            color: #1a2a3a;
        }
        .content h3 i {
            color: #1a5fb4;
            margin-right: 0.4rem;
            font-size: 1.1rem;
        }
        .content h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 1.4rem 0 0.5rem 0;
            color: #2a3a4a;
        }
        .content p {
            margin-bottom: 1.2rem;
        }
        .content .meta-line {
            color: #6a7a8a;
            font-size: 0.95rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            margin-bottom: 1.8rem;
            border-bottom: 1px solid #eef1f7;
            padding-bottom: 0.8rem;
        }
        .content .meta-line i {
            margin-right: 0.3rem;
        }
        .content .featured-image {
            margin: 2rem 0 2.5rem 0;
            border-radius: 14px;
            overflow: hidden;
            background: #f0f3f8;
            padding: 0.8rem;
        }
        .content .featured-image img {
            border-radius: 10px;
            width: 100%;
        }
        .content .featured-image figcaption {
            font-size: 0.9rem;
            color: #4a5a6a;
            text-align: center;
            margin-top: 0.6rem;
            font-style: italic;
        }
        .content blockquote {
            border-left: 5px solid #e67e22;
            background: #f9f6ef;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #2a3a4a;
        }
        .content blockquote strong {
            color: #0d1b2a;
        }
        .content .tip-box {
            background: #e6f0fa;
            border-radius: 12px;
            padding: 1.2rem 1.6rem;
            margin: 1.5rem 0;
            border: 1px solid #c8daf0;
        }
        .content .tip-box i {
            color: #1a5fb4;
            margin-right: 0.5rem;
        }
        .content .data-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.2rem;
            margin: 1.8rem 0;
        }
        .content .data-card {
            background: #f7f9fc;
            border-radius: 12px;
            padding: 1rem;
            text-align: center;
            border: 1px solid #e2e8f0;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .content .data-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
        }
        .content .data-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: #e67e22;
        }
        .content .data-card .label {
            font-size: 0.9rem;
            color: #4a5a6a;
        }
        .content .inline-link {
            font-weight: 500;
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0 1.5rem 0;
        }
        .comment-box,
        .rating-box {
            background: #f7f9fc;
            border-radius: 14px;
            padding: 1.5rem 1.8rem;
            border: 1px solid #e2e8f0;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
            font-size: 1.2rem;
        }
        .comment-box form,
        .rating-box form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .comment-box textarea,
        .comment-box input {
            padding: 0.7rem 1rem;
            border: 2px solid #dce3ef;
            border-radius: 8px;
            font-size: 0.95rem;
            resize: vertical;
            font-family: inherit;
            transition: border 0.2s;
        }
        .comment-box textarea:focus,
        .comment-box input:focus {
            border-color: #1a5fb4;
            outline: none;
        }
        .comment-box button,
        .rating-box button {
            background: #1a5fb4;
            color: #fff;
            border: none;
            padding: 0.7rem 1.4rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            align-self: flex-start;
        }
        .comment-box button:hover,
        .rating-box button:hover {
            background: #0e4a8a;
            transform: scale(1.02);
        }
        .rating-box .star-group {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #d0d8e0;
            cursor: pointer;
        }
        .rating-box .star-group i.active {
            color: #f7b731;
        }
        .rating-box .star-group i:hover {
            color: #f7b731;
        }
        .rating-box .star-group i {
            transition: color 0.15s;
        }
        friend-link {
            display: block;
            background: #f0f3f8;
            border-radius: 14px;
            padding: 1.5rem 2rem;
            margin: 2rem 0 1rem 0;
            border: 1px solid #dce3ef;
        }
        friend-link::before {
            content: "🔗 \00a0 Friendly Links";
            font-weight: 700;
            font-size: 1.1rem;
            display: block;
            margin-bottom: 0.8rem;
            color: #0d1b2a;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 0.8rem 0.3rem 0;
            padding: 0.2rem 0.6rem;
            background: #fff;
            border-radius: 6px;
            border: 1px solid #dce3ef;
            font-size: 0.95rem;
            transition: background 0.2s, border-color 0.2s;
        }
        friend-link a:hover {
            background: #e6f0fa;
            border-color: #1a5fb4;
            text-decoration: none;
        }
        .site-footer {
            background: #0d1b2a;
            color: #b0c0d0;
            padding: 2rem 0 1.5rem 0;
            margin-top: 2.5rem;
            border-radius: 20px 20px 0 0;
            text-align: center;
        }
        .site-footer .copyright {
            font-size: 0.9rem;
            opacity: 0.8;
        }
        .site-footer .copyright i {
            margin: 0 0.3rem;
        }
        .site-footer a {
            color: #f7b731;
        }
        .site-footer a:hover {
            color: #fff;
        }
        @media (max-width: 900px) {
            .interaction-area {
                grid-template-columns: 1fr;
            }
            .content h1 {
                font-size: 1.8rem;
            }
            .content h2 {
                font-size: 1.4rem;
            }
            .content {
                padding: 1.5rem 1.2rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.4rem;
                padding: 1rem 0 0.5rem 0;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                margin-top: 0.6rem;
            }
            .main-nav a {
                padding: 0.6rem 0.8rem;
                border-radius: 8px;
                width: 100%;
            }
            .nav-toggle:checked~.main-nav {
                display: flex;
            }
            .header-inner {
                align-items: center;
            }
            .breadcrumb {
                font-size: 0.8rem;
                padding: 0.4rem 0.8rem;
            }
            .search-block {
                flex-direction: column;
                padding: 1.2rem;
            }
            .search-block form {
                width: 100%;
            }
            .content .data-grid {
                grid-template-columns: 1fr 1fr;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .content .data-grid {
                grid-template-columns: 1fr;
            }
            .content h1 {
                font-size: 1.5rem;
                padding-left: 0.6rem;
            }
            .content {
                padding: 1rem 0.8rem;
            }
            .rating-box .star-group {
                font-size: 1.4rem;
            }
        }
        .schema-hidden {
            display: none;
        }
        .text-small {
            font-size: 0.9rem;
            color: #4a5a6a;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }