*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #0b0c10;
            color: #e0e6ed;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #8ab4f8;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #c0d8ff;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 600;
            letter-spacing: 0.02em;
            color: #f0f4fa;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
        }
        h1 {
            font-size: 2.4rem;
            line-height: 1.2;
            margin-top: 0.4em;
            border-left: 5px solid #9147ff;
            padding-left: 20px;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 2px solid #1f2833;
            padding-bottom: 10px;
            margin-top: 2.2em;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 1.6em;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.2em;
            color: #b0c4de;
        }
        p {
            margin-bottom: 1.2em;
            font-size: 1.02rem;
        }
        ul,
        ol {
            margin: 0.8em 0 1.4em 1.8em;
        }
        li {
            margin-bottom: 0.5em;
        }
        strong {
            color: #f5f9ff;
            font-weight: 650;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f1219 0%, #1a1f2e 100%);
            border-bottom: 1px solid #2a2f3e;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 700;
            background: linear-gradient(135deg, #9147ff, #6c3fd1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #9147ff;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #3a4055;
            color: #e0e6ed;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #1f2833;
        }
        .primary-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 18px;
            align-items: center;
        }
        .primary-nav a {
            font-size: 0.95rem;
            padding: 6px 4px;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
            color: #c8d0dc;
        }
        .primary-nav a:hover {
            border-bottom-color: #9147ff;
            color: #fff;
            text-decoration: none;
        }
        .breadcrumb {
            padding: 14px 0 6px 0;
            font-size: 0.88rem;
            color: #8a93a8;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            list-style: none;
            margin: 0;
        }
        .breadcrumb li {
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #5a6278;
            font-size: 1.1rem;
        }
        .breadcrumb a {
            color: #8ab4f8;
        }
        .breadcrumb a:hover {
            color: #c0d8ff;
        }
        .breadcrumb .current {
            color: #b8c4d8;
            font-weight: 500;
        }
        .content-area {
            padding: 30px 0 60px 0;
        }
        .article-body {
            max-width: 860px;
            margin: 0 auto;
            background: #11151f;
            padding: 30px 35px 50px 35px;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
            border: 1px solid #1f2833;
        }
        @media (max-width:600px) {
            .article-body {
                padding: 20px 16px 30px 16px;
                border-radius: 12px;
            }
            h1 {
                font-size: 1.7rem;
                padding-left: 14px;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.15rem;
            }
        }
        .featured-img-wrapper {
            margin: 24px 0 30px 0;
            border-radius: 14px;
            overflow: hidden;
            background: #1a1f2e;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        }
        .featured-img-wrapper img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .img-caption {
            font-size: 0.85rem;
            color: #8a93a8;
            text-align: center;
            padding: 12px 16px;
            background: #0d111a;
            border-top: 1px solid #1f2833;
        }
        .update-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #1a2030;
            padding: 8px 20px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #9aaccc;
            border: 1px solid #2a3248;
            margin-bottom: 16px;
        }
        .update-badge i {
            color: #6c8bcb;
        }
        .highlight-box {
            background: #18202e;
            border-left: 4px solid #9147ff;
            padding: 16px 22px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .highlight-box p {
            margin: 0;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            padding: 10px 0;
            list-style: none;
            margin: 16px 0;
        }
        .link-list-inline li a {
            background: #1a2131;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            border: 1px solid #2a334a;
            transition: all 0.2s;
            display: inline-block;
        }
        .link-list-inline li a:hover {
            background: #2a334a;
            border-color: #9147ff;
            text-decoration: none;
        }
        .search-module {
            background: #0d111a;
            border: 1px solid #1f2833;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 30px 0 20px 0;
        }
        .search-module h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 12px;
        }
        .search-form input[type="text"] {
            flex: 1 1 220px;
            padding: 12px 18px;
            border-radius: 40px;
            border: 1px solid #2a3248;
            background: #181e2c;
            color: #e0e6ed;
            font-size: 1rem;
            outline: none;
            transition: border 0.25s;
        }
        .search-form input[type="text"]:focus {
            border-color: #9147ff;
        }
        .search-form button {
            padding: 12px 32px;
            border-radius: 40px;
            border: none;
            background: linear-gradient(135deg, #9147ff, #6c3fd1);
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .search-form button:hover {
            transform: scale(1.02);
            box-shadow: 0 4px 24px rgba(145, 71, 255, 0.4);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 30px 0 20px 0;
        }
        @media (max-width:700px) {
            .interaction-grid {
                grid-template-columns: 1fr;
            }
        }
        .interaction-card {
            background: #0d111a;
            border: 1px solid #1f2833;
            border-radius: 16px;
            padding: 22px 24px;
        }
        .interaction-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comment-form textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: 12px;
            border: 1px solid #2a3248;
            background: #181e2c;
            color: #e0e6ed;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 90px;
            outline: none;
            transition: border 0.25s;
            font-family: inherit;
        }
        .comment-form textarea:focus {
            border-color: #9147ff;
        }
        .comment-form .form-actions {
            display: flex;
            gap: 12px;
            margin-top: 12px;
            flex-wrap: wrap;
        }
        .comment-form .form-actions button {
            padding: 10px 28px;
            border-radius: 40px;
            border: none;
            background: linear-gradient(135deg, #9147ff, #6c3fd1);
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s;
            font-size: 0.95rem;
        }
        .comment-form .form-actions button:hover {
            transform: scale(1.02);
        }
        .comment-form .form-actions .btn-secondary {
            background: #2a3248;
            color: #c8d0dc;
        }
        .comment-form .form-actions .btn-secondary:hover {
            background: #3a4a62;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 6px;
            font-size: 1.8rem;
            margin: 10px 0 14px 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #3a4055;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5c842;
        }
        .score-form button {
            padding: 10px 28px;
            border-radius: 40px;
            border: none;
            background: linear-gradient(135deg, #9147ff, #6c3fd1);
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s;
            font-size: 0.95rem;
        }
        .score-form button:hover {
            transform: scale(1.02);
        }
        friend-link {
            display: block;
            margin-top: 20px;
            padding: 20px 0 10px 0;
            border-top: 1px solid #1f2833;
        }
        friend-link .friend-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: #b0c4de;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        friend-link .friend-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        friend-link .friend-list li a {
            background: #1a2131;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            border: 1px solid #2a334a;
            transition: 0.2s;
            display: inline-block;
        }
        friend-link .friend-list li a:hover {
            background: #2a334a;
            border-color: #9147ff;
            text-decoration: none;
        }
        .site-footer {
            background: #0a0d14;
            border-top: 1px solid #1a1f2e;
            padding: 30px 0 24px 0;
            text-align: center;
            color: #6a7a94;
            font-size: 0.88rem;
        }
        .site-footer .copyright {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 6px 18px;
            align-items: center;
            margin-top: 8px;
        }
        .site-footer .copyright i {
            color: #6c8bcb;
        }
        @media (max-width:768px) {
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 0 6px 0;
                gap: 4px;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav a {
                width: 100%;
                padding: 10px 12px;
                border-bottom: 1px solid #1f2833;
            }
            .primary-nav a:last-child {
                border-bottom: none;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0b0c10;
        }
        ::-webkit-scrollbar-thumb {
            background: #2a3248;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #3a4a62;
        }
        .emoji-lg {
            font-size: 1.3em;
            margin-right: 4px;
        }
        .separator-dots {
            text-align: center;
            font-size: 1.4rem;
            letter-spacing: 8px;
            color: #3a4055;
            margin: 28px 0;
        }
        .table-of-contents {
            background: #0d111a;
            border: 1px solid #1f2833;
            border-radius: 14px;
            padding: 18px 24px;
            margin: 20px 0 28px 0;
        }
        .table-of-contents h3 {
            margin-top: 0;
            font-size: 1.15rem;
        }
        .table-of-contents ul {
            list-style: none;
            padding: 0;
            margin: 8px 0 0 0;
            columns: 2;
            column-gap: 28px;
        }
        .table-of-contents ul li {
            padding: 4px 0;
            break-inside: avoid;
        }
        .table-of-contents ul li a {
            color: #8ab4f8;
        }
        .table-of-contents ul li a:hover {
            color: #c0d8ff;
        }
        @media (max-width:600px) {
            .table-of-contents ul {
                columns: 1;
            }
        }
        .blockquote-custom {
            border-left: 4px solid #6c3fd1;
            padding: 12px 24px;
            margin: 20px 0;
            background: #111721;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #bcc8dc;
        }
        .blockquote-custom cite {
            display: block;
            margin-top: 8px;
            font-size: 0.9rem;
            color: #8a93a8;
            font-style: normal;
        }