*,
        *::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: #f5f7fa;
            color: #1e2a3a;
            line-height: 1.75;
            padding: 0;
        }
        a {
            color: #0059b3;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e65c00;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(145deg, #0b1a2e, #132a44);
            padding: 16px 0;
            border-bottom: 4px solid #ff8c1a;
            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;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #ff8c1a, #ffb347);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(255, 140, 26, 0.3);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #ff8c1a;
            margin-right: 6px;
        }
        .nav-toggle {
            display: none;
            font-size: 1.8rem;
            color: #fff;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e0e8f0;
            padding: 8px 16px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: #ff8c1a;
            color: #0b1a2e;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .main-nav a i {
            margin-right: 6px;
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 10px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d0d7de;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            gap: 6px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 8px;
            color: #7a8a9e;
        }
        .breadcrumb a {
            color: #0059b3;
        }
        .breadcrumb .current {
            color: #4a5a6e;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #0f2a44, #1b3f66);
            color: #fff;
            padding: 48px 0 40px;
            text-align: center;
            border-bottom: 6px solid #ff8c1a;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 12px;
        }
        .hero h1 i {
            color: #ff8c1a;
            margin-right: 10px;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 780px;
            margin: 0 auto 10px;
            opacity: 0.9;
        }
        .hero .badge {
            display: inline-block;
            background: #ff8c1a;
            color: #0b1a2e;
            padding: 4px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            margin-top: 8px;
        }
        .content-area {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .main-article h2 {
            font-size: 2rem;
            margin: 40px 0 16px;
            color: #0b1a2e;
            border-left: 6px solid #ff8c1a;
            padding-left: 16px;
        }
        .main-article h3 {
            font-size: 1.5rem;
            margin: 32px 0 12px;
            color: #1b3f66;
        }
        .main-article h4 {
            font-size: 1.2rem;
            margin: 24px 0 8px;
            color: #2a4a6a;
        }
        .main-article p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .main-article .highlight-box {
            background: #e9f0f9;
            border-left: 6px solid #ff8c1a;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 28px 0;
        }
        .main-article .highlight-box i {
            color: #ff8c1a;
            margin-right: 8px;
        }
        .main-article .emoji-lg {
            font-size: 1.5rem;
            margin-right: 6px;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            margin-bottom: 28px;
            border: 1px solid #e2e8f0;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-bottom: 14px;
            color: #0b1a2e;
            border-bottom: 2px solid #ff8c1a;
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            padding: 6px 0;
            border-bottom: 1px solid #f0f2f5;
        }
        .sidebar-card li a {
            font-weight: 500;
        }
        .sidebar-card li a i {
            margin-right: 8px;
            color: #ff8c1a;
            width: 20px;
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 16px;
            border: 2px solid #d0d7de;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #ff8c1a;
        }
        .search-form button {
            background: #ff8c1a;
            border: none;
            border-radius: 30px;
            padding: 10px 20px;
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s;
        }
        .search-form button:hover {
            background: #e67300;
            transform: scale(1.02);
        }
        .comment-form,
        .score-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .comment-form textarea {
            padding: 12px 16px;
            border: 2px solid #d0d7de;
            border-radius: 12px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 90px;
            outline: none;
            transition: border 0.2s;
        }
        .comment-form textarea:focus {
            border-color: #ff8c1a;
        }
        .comment-form input,
        .score-form input {
            padding: 10px 16px;
            border: 2px solid #d0d7de;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
        }
        .comment-form input:focus,
        .score-form input:focus {
            border-color: #ff8c1a;
        }
        .comment-form button,
        .score-form button {
            background: #0b1a2e;
            border: none;
            border-radius: 30px;
            padding: 10px 24px;
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s;
            align-self: flex-start;
        }
        .comment-form button:hover,
        .score-form button:hover {
            background: #1b3f66;
            transform: scale(1.02);
        }
        .score-stars {
            display: flex;
            gap: 4px;
            font-size: 1.8rem;
            color: #d0d7de;
            cursor: pointer;
        }
        .score-stars .star.active {
            color: #ff8c1a;
        }
        .score-stars .star:hover,
        .score-stars .star.hover {
            color: #ffb347;
        }
        friend-link {
            display: block;
            background: #0b1a2e;
            color: #c8d6e5;
            padding: 16px 24px;
            border-radius: 12px;
            margin: 32px 0 16px;
            font-size: 0.95rem;
        }
        friend-link a {
            color: #ffb347;
            font-weight: 500;
        }
        friend-link a:hover {
            color: #ff8c1a;
        }
        .site-footer {
            background: #0b1a2e;
            color: #b0c4d8;
            padding: 32px 0 20px;
            text-align: center;
            border-top: 4px solid #ff8c1a;
        }
        .site-footer .copyright {
            font-size: 0.85rem;
            opacity: 0.8;
            margin-top: 8px;
        }
        .site-footer a {
            color: #ffb347;
        }
        .featured-img {
            margin: 32px 0;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        .featured-img figcaption {
            text-align: center;
            font-size: 0.85rem;
            color: #5a6a7e;
            margin-top: 8px;
            font-style: italic;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 16px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                border-radius: 8px;
                background: rgba(255, 255, 255, 0.05);
            }
            .main-nav a:hover {
                background: #ff8c1a;
                color: #0b1a2e;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .container {
                padding: 0 14px;
            }
            .main-article h2 {
                font-size: 1.6rem;
            }
            .main-article h3 {
                font-size: 1.3rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.3rem;
            }
            .breadcrumb ol {
                font-size: 0.75rem;
                gap: 2px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #e9edf2;
        }
        ::-webkit-scrollbar-thumb {
            background: #b0c4d8;
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #8aa0b8;
        }
        .schema-hidden {
            display: none;
        }