*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.75;
            padding: 0;
            margin: 0;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #1e40af;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            color: #0f172a;
            margin-top: 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #fff;
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .my-logo {
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            background: linear-gradient(90deg, #facc15, #fb923c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #facc15;
            font-size: 1.5rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.25rem;
        }
        .main-nav {
            display: flex;
            gap: 0.25rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e2e8f0;
            padding: 0.45rem 0.9rem;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            background: rgba(255, 255, 255, 0.12);
            color: #facc15;
            text-decoration: none;
        }
        .main-nav a.active {
            background: rgba(250, 204, 21, 0.18);
            color: #facc15;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .breadcrumb {
            padding: 0.6rem 0 0.4rem;
            font-size: 0.85rem;
            color: #94a3b8;
            background: transparent;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.35rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "▸";
            margin-right: 0.6rem;
            color: #64748b;
        }
        .breadcrumb a {
            color: #94a3b8;
        }
        .breadcrumb a:hover {
            color: #facc15;
        }
        .breadcrumb .current {
            color: #e2e8f0;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%);
            color: #fff;
            padding: 3.5rem 0 4rem;
            text-align: center;
            border-bottom: 4px solid #facc15;
        }
        .hero h1 {
            font-size: clamp(2.2rem, 6vw, 4rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .hero h1 span {
            background: linear-gradient(90deg, #facc15, #fb923c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 720px;
            margin: 0 auto 2rem;
            color: #cbd5e1;
        }
        .hero .last-updated {
            display: inline-block;
            background: rgba(250, 204, 21, 0.15);
            padding: 0.35rem 1.2rem;
            border-radius: 999px;
            font-size: 0.85rem;
            color: #facc15;
            border: 1px solid rgba(250, 204, 21, 0.25);
        }
        .search-section {
            background: #fff;
            padding: 2rem 0;
            border-bottom: 1px solid #e2e8f0;
        }
        .search-form {
            display: flex;
            gap: 0.75rem;
            max-width: 600px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 0.85rem 1.25rem;
            border: 2px solid #e2e8f0;
            border-radius: 999px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
            background: #f8fafc;
        }
        .search-form input:focus {
            border-color: #2563eb;
            background: #fff;
        }
        .search-form button {
            padding: 0.85rem 2rem;
            border: none;
            border-radius: 999px;
            background: linear-gradient(135deg, #2563eb, #1e40af);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(37, 99, 235, 0.35);
        }
        .content-section {
            padding: 3rem 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
        }
        .content-main {
            min-width: 0;
        }
        .content-sidebar {
            min-width: 0;
        }
        .content-main h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #facc15;
            display: inline-block;
        }
        .content-main h2:first-child {
            margin-top: 0;
        }
        .content-main h3 {
            font-size: 1.45rem;
            margin: 2rem 0 0.75rem;
            color: #1e293b;
        }
        .content-main h4 {
            font-size: 1.15rem;
            margin: 1.25rem 0 0.5rem;
            color: #334155;
            font-weight: 600;
        }
        .content-main p {
            margin-bottom: 1.25rem;
            color: #334155;
        }
        .content-main ul,
        .content-main ol {
            margin-bottom: 1.25rem;
        }
        .content-main li {
            margin-bottom: 0.4rem;
        }
        .content-main .highlight-box {
            background: #fef9e7;
            border-left: 5px solid #facc15;
            padding: 1.25rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .content-main .highlight-box strong {
            color: #1e293b;
        }
        .content-main .stat-badge {
            display: inline-block;
            background: #1e293b;
            color: #facc15;
            padding: 0.2rem 0.8rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-right: 0.3rem;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: #e2e8f0;
        }
        .featured-image figcaption {
            padding: 0.75rem 1rem;
            background: #f1f5f9;
            font-size: 0.85rem;
            color: #475569;
            font-style: italic;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
            border: 1px solid #e2e8f0;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #0f172a;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f1f5f9;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: #1e293b;
        }
        .sidebar-card a:hover {
            color: #2563eb;
        }
        .sidebar-card a i {
            width: 1.2rem;
            color: #facc15;
        }
        .feedback-section {
            background: #fff;
            padding: 3rem 0;
            border-top: 1px solid #e2e8f0;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .feedback-card {
            background: #f8fafc;
            border-radius: 16px;
            padding: 2rem;
            border: 1px solid #e2e8f0;
        }
        .feedback-card h3 {
            font-size: 1.3rem;
            margin-bottom: 1.25rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.75rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border-color 0.3s;
            background: #fff;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #2563eb;
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card button {
            padding: 0.8rem 1.5rem;
            border: none;
            border-radius: 10px;
            background: linear-gradient(135deg, #2563eb, #1e40af);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
        }
        .rating-stars {
            display: flex;
            gap: 0.25rem;
            font-size: 1.6rem;
            color: #cbd5e1;
            cursor: pointer;
            direction: rtl;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: #facc15;
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 0 1.5rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-inner h4 {
            color: #f8fafc;
            font-size: 1.1rem;
            margin-bottom: 1rem;
        }
        .footer-inner p {
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .footer-inner ul {
            list-style: none;
            padding: 0;
        }
        .footer-inner li {
            padding: 0.25rem 0;
        }
        .footer-inner a {
            color: #94a3b8;
            font-size: 0.9rem;
        }
        .footer-inner a:hover {
            color: #facc15;
        }
        friend-link {
            display: block;
            padding: 1rem 0;
            border-top: 1px solid #1e293b;
            margin-top: 1rem;
            font-size: 0.9rem;
            color: #64748b;
        }
        friend-link a {
            color: #94a3b8;
            margin: 0 0.5rem;
        }
        friend-link a:hover {
            color: #facc15;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #1e293b;
            font-size: 0.85rem;
            color: #64748b;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1e293b;
                padding: 0.75rem;
                border-radius: 12px;
                margin-top: 0.5rem;
                gap: 0.15rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 8px;
            }
            .nav-wrapper {
                flex-wrap: wrap;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .hero {
                padding: 2.5rem 0 3rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .content-main h2 {
                font-size: 1.6rem;
            }
            .search-form {
                flex-direction: column;
                align-items: stretch;
            }
            .search-form input {
                min-width: unset;
            }
            .search-form button {
                justify-content: center;
            }
            .feedback-card button {
                align-self: stretch;
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 1rem;
            }
            .my-logo {
                font-size: 1.35rem;
            }
            .hero h1 {
                font-size: 1.65rem;
            }
            .content-main h2 {
                font-size: 1.35rem;
            }
            .content-main h3 {
                font-size: 1.15rem;
            }
            .sidebar-card {
                padding: 1rem;
            }
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 0;
            background: #facc15;
            color: #0f172a;
            padding: 0.5rem 1rem;
            z-index: 999;
            font-weight: 700;
        }
        .skip-link:focus {
            top: 0;
        }
        .text-gradient {
            background: linear-gradient(90deg, #facc15, #fb923c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-0 {
            margin-top: 0;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }