* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #0b0e14;
            color: #e2e6ed;
            line-height: 1.75;
            font-size: 1.05rem;
            padding: 0 1rem;
        }
        a {
            color: #6eb1ff;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #a6d0ff;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        header {
            background: #141a24;
            padding: 1rem 0;
            border-bottom: 2px solid #2a3a4e;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(6px);
            background-color: rgba(20, 26, 36, 0.92);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: 0.04em;
            background: linear-gradient(135deg, #b8d4ff, #6eb1ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(110, 177, 255, 0.2);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #6eb1ff;
            font-size: 1.7rem;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            letter-spacing: 0.1em;
            color: #8ba4c7;
            -webkit-text-fill-color: #8ba4c7;
            display: block;
            margin-top: 0.15rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid #3a4e66;
            color: #e2e6ed;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #1e2a3a;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 0.25rem 0.1rem;
            list-style: none;
            align-items: center;
        }
        .nav-menu li a {
            display: block;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.95rem;
            color: #c8d6e8;
            transition: background 0.2s, color 0.2s;
        }
        .nav-menu li a:hover {
            background: #2a3a4e;
            color: #fff;
            text-decoration: none;
        }
        .breadcrumb {
            padding: 1rem 0 0.2rem 0;
            font-size: 0.9rem;
            color: #8ba4c7;
        }
        .breadcrumb a {
            color: #8ba4c7;
        }
        .breadcrumb a:hover {
            color: #b8d4ff;
        }
        .breadcrumb span {
            color: #b8d4ff;
        }
        main {
            padding: 2.5rem 0 4rem 0;
        }
        h1 {
            font-size: 2.9rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1.2rem;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #f0f6ff 0%, #a6d0ff 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h2 {
            font-size: 2.1rem;
            font-weight: 700;
            margin: 2.8rem 0 1.2rem 0;
            border-left: 6px solid #6eb1ff;
            padding-left: 1.2rem;
            color: #dce6f2;
        }
        h3 {
            font-size: 1.6rem;
            font-weight: 600;
            margin: 2rem 0 1rem 0;
            color: #c8d6e8;
        }
        h4 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 1.5rem 0 0.6rem 0;
            color: #b0c4dd;
        }
        p {
            margin-bottom: 1.2rem;
            max-width: 75ch;
        }
        .content-area {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .article-image {
            margin: 2rem 0 1.8rem 0;
            border-radius: 14px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
            background: #1a222f;
            padding: 0.5rem;
        }
        .article-image figcaption {
            font-size: 0.9rem;
            color: #8ba4c7;
            text-align: center;
            padding: 0.8rem 0.5rem 0.3rem 0.5rem;
        }
        .highlight {
            background: #1e2a3a;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            font-weight: 600;
            color: #b8d4ff;
        }
        .emoji-big {
            font-size: 1.8rem;
            vertical-align: middle;
            margin-right: 0.3rem;
        }
        .btn {
            display: inline-block;
            background: #2a3a4e;
            color: #e2e6ed;
            padding: 0.6rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            border: 1px solid #3a4e66;
            transition: all 0.25s ease;
            cursor: pointer;
        }
        .btn:hover {
            background: #3a4e66;
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(110, 177, 255, 0.15);
        }
        .btn-primary {
            background: #1f5a9e;
            border-color: #2d7bd4;
            color: #fff;
        }
        .btn-primary:hover {
            background: #2d7bd4;
        }
        .form-card {
            background: #141a24;
            border: 1px solid #2a3a4e;
            border-radius: 16px;
            padding: 2rem 1.8rem;
            margin: 2rem 0;
        }
        .form-card label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #c8d6e8;
        }
        .form-card input,
        .form-card textarea,
        .form-card select {
            width: 100%;
            padding: 0.8rem 1rem;
            border-radius: 10px;
            border: 1px solid #2a3a4e;
            background: #0b0e14;
            color: #e2e6ed;
            font-size: 1rem;
            font-family: inherit;
            transition: border 0.2s;
            margin-bottom: 1.2rem;
        }
        .form-card input:focus,
        .form-card textarea:focus,
        .form-card select:focus {
            border-color: #6eb1ff;
            outline: none;
            box-shadow: 0 0 0 3px rgba(110, 177, 255, 0.2);
        }
        .form-card textarea {
            min-height: 120px;
            resize: vertical;
        }
        .form-card .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 2rem;
            color: #4a5a6e;
            margin-bottom: 1.2rem;
            cursor: pointer;
            flex-wrap: wrap;
        }
        .form-card .star-rating i {
            transition: color 0.2s, transform 0.15s;
        }
        .form-card .star-rating i:hover,
        .form-card .star-rating i.active {
            color: #f5c842;
            transform: scale(1.1);
        }
        .form-card .star-rating input {
            display: none;
        }
        footer {
            background: #0f141e;
            border-top: 2px solid #1e2a3a;
            padding: 2.5rem 0 1.5rem 0;
            margin-top: 3rem;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem 2.5rem;
            font-style: normal;
            padding: 0.5rem 0;
        }
        friend-link a {
            color: #8ba4c7;
            font-weight: 500;
            border-bottom: 1px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        friend-link a:hover {
            color: #b8d4ff;
            border-bottom-color: #6eb1ff;
            text-decoration: none;
        }
        .copyright {
            font-size: 0.9rem;
            color: #5a6e86;
            border-top: 1px solid #1e2a3a;
            padding-top: 1.5rem;
            margin-top: 1.5rem;
            text-align: center;
            width: 100%;
        }
        .last-updated {
            color: #8ba4c7;
            font-size: 0.9rem;
            margin-top: 0.5rem;
            text-align: right;
        }
        @media (max-width: 768px) {
            body {
                font-size: 0.98rem;
                padding: 0 0.6rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: inline-block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #141a24;
                padding: 1rem 0.5rem;
                border-radius: 12px;
                border: 1px solid #2a3a4e;
                margin-top: 0.5rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                padding: 0.7rem 1rem;
                border-radius: 8px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            h4 {
                font-size: 1.1rem;
            }
            .form-card {
                padding: 1.5rem 1rem;
            }
            .footer-inner {
                flex-direction: column;
                gap: 1rem;
            }
            friend-link {
                flex-direction: column;
                gap: 0.6rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo i {
                font-size: 1.2rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            .container {
                padding: 0 0.6rem;
            }
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .text-muted {
            color: #8ba4c7;
        }
        .gap-1 {
            gap: 1rem;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
        }
        @media (max-width: 700px) {
            .grid-2 {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
        }
        .badge {
            display: inline-block;
            background: #1f5a9e;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #fff;
        }
        .blockquote {
            border-left: 4px solid #6eb1ff;
            padding: 1rem 1.8rem;
            margin: 1.8rem 0;
            background: #141a24;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #c8d6e8;
        }
        .blockquote cite {
            display: block;
            margin-top: 0.6rem;
            font-size: 0.9rem;
            color: #8ba4c7;
            font-style: normal;
        }