*,
        *::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: #f0f4f8;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #7c3aed;
            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(135deg, #0f0c29, #302b63, #24243e);
            color: #fff;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            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: 2rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f7971e, #ffd200);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            text-shadow: none;
            display: inline-block;
        }
        .my-logo:hover {
            opacity: 0.9;
            transform: scale(1.02);
        }
        .my-logo small {
            font-size: 0.7rem;
            display: block;
            -webkit-text-fill-color: #aaa;
            color: #aaa;
            font-weight: 400;
            letter-spacing: 1px;
        }
        .nav-bar {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .nav-bar a {
            color: #e0e0ff;
            padding: 0.5rem 0.9rem;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s ease;
        }
        .nav-bar a:hover,
        .nav-bar a:focus {
            background: rgba(255, 255, 255, 0.12);
            color: #ffd200;
            text-decoration: none;
        }
        .nav-bar .nav-active {
            background: rgba(255, 210, 0, 0.18);
            color: #ffd200;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .breadcrumb {
            background: #fff;
            padding: 0.75rem 0;
            border-bottom: 1px solid #e2e8f0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #94a3b8;
        }
        .breadcrumb a {
            color: #2563eb;
        }
        .breadcrumb .crumb-current {
            color: #475569;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #1e1b4b, #312e81, #1e3a5f);
            color: #fff;
            padding: 3rem 0 4rem;
            text-align: center;
            border-bottom: 4px solid #f7971e;
        }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 900;
            background: linear-gradient(135deg, #f7971e, #ffd200);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            margin-bottom: 0.75rem;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 780px;
            margin: 0 auto 1.5rem;
            color: #c7d2fe;
        }
        .hero .badge {
            display: inline-block;
            background: rgba(255, 210, 0, 0.18);
            padding: 0.4rem 1.4rem;
            border-radius: 40px;
            font-size: 0.9rem;
            color: #ffd200;
            border: 1px solid rgba(255, 210, 0, 0.3);
        }
        section {
            padding: 3rem 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-dark {
            background: #1a1a2e;
            color: #e0e0ff;
        }
        .section-dark h2,
        .section-dark h3 {
            color: #ffd200;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            position: relative;
            display: inline-block;
        }
        .section-title::after {
            content: "";
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, #f7971e, #ffd200);
            margin-top: 0.4rem;
            border-radius: 4px;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: #64748b;
            margin-bottom: 2rem;
        }
        .section-dark .section-subtitle {
            color: #a5b4fc;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.8rem;
            margin: 2rem 0;
        }
        .card {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 1.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid #eef2f6;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
        }
        .card h3 {
            font-size: 1.3rem;
            margin-bottom: 0.6rem;
            color: #1e293b;
        }
        .card p {
            color: #475569;
            font-size: 0.95rem;
        }
        .card .card-icon {
            font-size: 2rem;
            color: #f7971e;
            margin-bottom: 0.8rem;
        }
        .section-dark .card {
            background: #26264a;
            border-color: #3a3a6a;
        }
        .section-dark .card h3 {
            color: #f0f0ff;
        }
        .section-dark .card p {
            color: #b8c4e0;
        }
        .featured-img-wrap {
            margin: 2.5rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        .featured-img-wrap img {
            width: 100%;
            object-fit: cover;
            max-height: 480px;
        }
        .img-caption {
            font-size: 0.85rem;
            color: #64748b;
            text-align: center;
            padding: 0.6rem 1rem;
            background: #f8fafc;
            border-top: 1px solid #e2e8f0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.8rem 0;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.9rem 1.2rem;
            text-align: left;
            border-bottom: 1px solid #eef2f6;
        }
        th {
            background: #1e1b4b;
            color: #ffd200;
            font-weight: 700;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f8fafc;
        }
        .form-card {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2.5rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            border: 1px solid #eef2f6;
            max-width: 700px;
            margin: 1.5rem auto;
        }
        .form-card label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #1e293b;
        }
        .form-card input,
        .form-card textarea,
        .form-card select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.25s ease;
            background: #fafcff;
        }
        .form-card input:focus,
        .form-card textarea:focus,
        .form-card select:focus {
            outline: none;
            border-color: #f7971e;
            box-shadow: 0 0 0 4px rgba(247, 151, 30, 0.1);
        }
        .form-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-card .form-group {
            margin-bottom: 1.4rem;
        }
        .btn {
            display: inline-block;
            padding: 0.8rem 2.2rem;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            background: linear-gradient(135deg, #f7971e, #ffd200);
            color: #1a1a2e;
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(247, 151, 30, 0.35);
        }
        .btn-secondary {
            background: #1e1b4b;
            color: #ffd200;
        }
        .btn-secondary:hover {
            background: #312e81;
            box-shadow: 0 8px 24px rgba(30, 27, 75, 0.35);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 2rem;
            margin: 0.5rem 0 1rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #d1d5db;
            transition: color 0.2s ease;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f7971e;
        }
        .comment-item {
            padding: 1.2rem 0;
            border-bottom: 1px solid #eef2f6;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-author {
            font-weight: 700;
            color: #1e293b;
        }
        .comment-date {
            font-size: 0.8rem;
            color: #94a3b8;
            margin-left: 0.8rem;
        }
        .comment-body {
            margin-top: 0.3rem;
            color: #475569;
        }
        .site-footer {
            background: #0f0c29;
            color: #c7d2fe;
            padding: 3rem 0 1.5rem;
            border-top: 4px solid #f7971e;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-grid h4 {
            color: #ffd200;
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }
        .footer-grid a {
            color: #a5b4fc;
            display: block;
            padding: 0.2rem 0;
            font-size: 0.9rem;
        }
        .footer-grid a:hover {
            color: #ffd200;
        }
        .friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
            padding: 1rem 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 1.5rem;
        }
        .friend-link a {
            color: #a5b4fc;
            font-weight: 500;
        }
        .friend-link a:hover {
            color: #ffd200;
        }
        .copyright {
            text-align: center;
            font-size: 0.85rem;
            color: #94a3b8;
            padding-top: 1rem;
        }
        .copyright strong {
            color: #e0e0ff;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-bar {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 0.2rem;
                padding: 1rem 0 0.5rem;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                margin-top: 0.8rem;
            }
            .nav-bar.open {
                display: flex;
            }
            .nav-bar a {
                padding: 0.6rem 1rem;
                border-radius: 8px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .form-card {
                padding: 1.5rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .header-inner {
                flex-wrap: nowrap;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .my-logo small {
                font-size: 0.55rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 0 14px;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .gap-1 {
            gap: 1rem;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(247, 151, 30, 0.15), rgba(255, 210, 0, 0.10));
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .tag {
            display: inline-block;
            background: #eef2f6;
            padding: 0.2rem 0.9rem;
            border-radius: 40px;
            font-size: 0.8rem;
            color: #475569;
            margin: 0.2rem 0.3rem;
        }
        .tag-gold {
            background: #fef3c7;
            color: #92400e;
        }
        blockquote {
            border-left: 4px solid #f7971e;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            background: #f8fafc;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #334155;
        }
        .section-dark blockquote {
            background: #26264a;
            color: #c7d2fe;
            border-left-color: #ffd200;
        }
        .last-update {
            font-size: 0.9rem;
            color: #94a3b8;
            text-align: right;
            margin-top: 1rem;
            padding-top: 0.5rem;
            border-top: 1px solid #e2e8f0;
        }
        .section-dark .last-update {
            border-top-color: #3a3a6a;
            color: #a5b4fc;
        }