*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #0b0d14;
            color: #e8eaf0;
            line-height: 1.7;
            padding: 0 1rem;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #7bb8ff;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #b5d6ff;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.25;
            color: #f0f3f8;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 3px solid #2a69c4;
            padding-bottom: 0.4rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #2a69c4;
            padding-left: 0.8rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #c8d6ef;
        }
        h4 {
            font-size: 1.15rem;
            color: #a8bcd9;
        }
        p {
            margin-bottom: 1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
            flex: 1;
        }
        header {
            padding: 1.2rem 0 0.6rem 0;
            border-bottom: 1px solid #1f2a3a;
        }
        .header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.8rem 1.5rem;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 700;
            background: linear-gradient(135deg, #f0c27f, #fc5c7d);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-block;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #fc5c7d;
            margin-right: 6px;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.2rem 1rem;
            flex-wrap: wrap;
        }
        .nav-list li a {
            padding: 0.4rem 0.6rem;
            border-radius: 6px;
            font-size: 0.95rem;
            color: #b8c7e0;
            transition: background 0.2s, color 0.2s;
        }
        .nav-list li a:hover {
            background: #1f2a3a;
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 1px solid #3a4a5e;
            color: #e8eaf0;
            font-size: 1.6rem;
            padding: 0.2rem 0.7rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #1f2a3a;
        }
        #nav-toggle {
            display: none;
        }
        #nav-toggle:checked~.nav-list {
            display: flex;
            flex-direction: column;
            width: 100%;
            background: #121720;
            padding: 1rem 0.5rem;
            border-radius: 10px;
            margin-top: 0.5rem;
        }
        #nav-toggle:checked~.nav-list li a {
            display: block;
            padding: 0.6rem 1rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            color: #8a9bb5;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 0.6rem;
            color: #4a5a72;
        }
        .breadcrumb a {
            color: #7bb8ff;
        }
        .search-block {
            background: #151d28;
            padding: 1.5rem 1.8rem;
            border-radius: 14px;
            margin: 1.8rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
            border: 1px solid #1f2a3a;
        }
        .search-block label {
            font-weight: 600;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-block form {
            display: flex;
            flex: 1;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        .search-block input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1rem;
            border-radius: 8px;
            border: 1px solid #2a3a4e;
            background: #0b0d14;
            color: #e8eaf0;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-block input[type="text"]:focus {
            border-color: #2a69c4;
        }
        .search-block button {
            padding: 0.7rem 1.6rem;
            border-radius: 8px;
            border: none;
            background: #2a69c4;
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 0.95rem;
        }
        .search-block button:hover {
            background: #3578d6;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 2rem;
            margin: 1.5rem 0;
        }
        .main-article {
            min-width: 0;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .sidebar-card {
            background: #121720;
            border-radius: 12px;
            padding: 1.2rem 1.2rem 1.5rem;
            border: 1px solid #1f2a3a;
        }
        .sidebar-card h3 {
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 1px solid #1f2a3a;
            padding-bottom: 0.5rem;
        }
        .sidebar-card ul {
            list-style: none;
            margin-top: 0.6rem;
        }
        .sidebar-card ul li {
            padding: 0.3rem 0;
            border-bottom: 1px solid #161e2a;
        }
        .sidebar-card ul li a {
            font-size: 0.9rem;
        }
        .feature-figure {
            margin: 1.8rem 0;
            background: #121720;
            border-radius: 14px;
            padding: 0.8rem;
            border: 1px solid #1f2a3a;
        }
        .feature-figure img {
            border-radius: 10px;
            width: 100%;
        }
        .feature-figure figcaption {
            padding: 0.8rem 0.3rem 0.2rem;
            font-size: 0.85rem;
            color: #8a9bb5;
            text-align: center;
            font-style: italic;
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2rem 0;
        }
        .form-card {
            background: #121720;
            padding: 1.5rem 1.8rem;
            border-radius: 14px;
            border: 1px solid #1f2a3a;
        }
        .form-card h3 {
            margin-top: 0;
            border-bottom: 1px solid #1f2a3a;
            padding-bottom: 0.5rem;
        }
        .form-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .form-card input,
        .form-card textarea,
        .form-card select {
            padding: 0.65rem 1rem;
            border-radius: 8px;
            border: 1px solid #2a3a4e;
            background: #0b0d14;
            color: #e8eaf0;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border 0.2s;
        }
        .form-card input:focus,
        .form-card textarea:focus {
            border-color: #2a69c4;
        }
        .form-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .form-card button {
            padding: 0.7rem 1.5rem;
            border-radius: 8px;
            border: none;
            background: #2a69c4;
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 0.95rem;
            align-self: flex-start;
        }
        .form-card button:hover {
            background: #3578d6;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.6rem;
            color: #3a4a5e;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        footer {
            border-top: 1px solid #1f2a3a;
            padding: 2rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 1.5rem;
        }
        .footer-copy {
            font-size: 0.85rem;
            color: #6a7a90;
        }
        .footer-copy a {
            color: #6a7a90;
        }
        .footer-copy a:hover {
            color: #7bb8ff;
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
            font-size: 0.85rem;
            color: #8a9bb5;
        }
        friend-link a {
            color: #8a9bb5;
            border-bottom: 1px dotted #2a3a4e;
        }
        friend-link a:hover {
            color: #7bb8ff;
            border-color: #7bb8ff;
        }
        .last-updated {
            font-size: 0.8rem;
            color: #5a6a80;
            text-align: right;
            margin-top: 0.6rem;
        }
        @media (max-width: 820px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .interact-grid {
                grid-template-columns: 1fr;
            }
            .nav-list {
                display: none;
                width: 100%;
            }
            .hamburger {
                display: inline-block;
            }
            .nav-wrapper {
                flex-wrap: wrap;
            }
            .nav-list.show {
                display: flex;
                flex-direction: column;
                width: 100%;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .header-inner {
                flex-direction: column;
                align-items: stretch;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.6rem;
            }
            .search-block {
                padding: 1rem;
            }
            .search-block form {
                flex-direction: column;
            }
            .search-block input[type="text"] {
                min-width: unset;
            }
            .form-card {
                padding: 1rem;
            }
            .star-rating label {
                font-size: 1.3rem;
            }
        }
        .highlight {
            background: linear-gradient(120deg, #1f2a3a 0%, #1f2a3a 40%, #2a3a4e 100%);
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
            color: #f0c27f;
        }
        .badge {
            display: inline-block;
            background: #2a69c4;
            color: #fff;
            font-size: 0.7rem;
            padding: 0.15rem 0.6rem;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .data-box {
            background: #0f141e;
            border-left: 4px solid #2a69c4;
            padding: 1rem 1.4rem;
            border-radius: 6px;
            margin: 1.2rem 0;
        }
        .data-box p:last-child {
            margin-bottom: 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        th,
        td {
            padding: 0.6rem 0.8rem;
            border: 1px solid #1f2a3a;
            text-align: left;
        }
        th {
            background: #1a2330;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #0f141e;
        }