*,
        *::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: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #1d4ed8;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        header {
            background: linear-gradient(145deg, #0f172a, #1e293b);
            padding: 1rem 0;
            border-radius: 0 0 24px 24px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #facc15;
            text-shadow: 0 2px 8px rgba(250, 204, 21, 0.25);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #fbbf24;
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 1.6rem;
            padding: 0.4rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        nav {
            display: flex;
            gap: 1.8rem;
            align-items: center;
            flex-wrap: wrap;
        }
        nav a {
            color: #e2e8f0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        nav a:hover {
            color: #facc15;
            border-bottom-color: #facc15;
            text-decoration: none;
        }
        .nav-cta {
            background: #facc15;
            color: #0f172a !important;
            padding: 0.5rem 1.2rem !important;
            border-radius: 40px;
            font-weight: 700;
            border: none !important;
        }
        .nav-cta:hover {
            background: #fbbf24;
            color: #0f172a !important;
        }
        .breadcrumb {
            background: transparent;
            padding: 0.75rem 0 0.25rem 0;
            font-size: 0.85rem;
            color: #94a3b8;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }
        .breadcrumb a {
            color: #94a3b8;
        }
        .breadcrumb a:hover {
            color: #facc15;
        }
        .breadcrumb .sep {
            color: #475569;
        }
        .hero {
            padding: 3rem 0 2rem 0;
            text-align: center;
        }
        .hero h1 {
            font-size: clamp(2rem, 6vw, 3.6rem);
            font-weight: 800;
            line-height: 1.2;
            background: linear-gradient(135deg, #0f172a, #2563eb);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.75rem;
        }
        .hero .sub {
            font-size: 1.2rem;
            color: #475569;
            max-width: 700px;
            margin: 0 auto 1.5rem auto;
        }
        .hero .meta {
            font-size: 0.9rem;
            color: #64748b;
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .hero .meta i {
            margin-right: 0.3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        .main-col {
            min-width: 0;
        }
        .side-col {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            color: #0f172a;
            border-left: 5px solid #facc15;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            color: #1e293b;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
            color: #334155;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .content-card {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
            margin-bottom: 1.8rem;
            border: 1px solid #eef2f6;
        }
        .featured-img {
            margin: 2rem 0;
            border-radius: 16px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
        }
        .featured-img figcaption {
            font-size: 0.85rem;
            color: #64748b;
            text-align: center;
            margin-top: 0.5rem;
            font-style: italic;
        }
        .link-list {
            background: #f1f5f9;
            border-radius: 16px;
            padding: 1.5rem 1.8rem;
            margin: 1.5rem 0;
        }
        .link-list h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .link-list ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 0.6rem 1.2rem;
        }
        .link-list li::before {
            content: "♦ ";
            color: #facc15;
            font-weight: 700;
        }
        .link-list a {
            font-weight: 500;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }
        .data-table th {
            background: #0f172a;
            color: #fff;
            padding: 0.7rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .data-table tr:nth-child(even) {
            background: #f8fafc;
        }
        .data-table tr:hover {
            background: #f1f5f9;
        }
        .form-card {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef2f6;
            margin-bottom: 1.8rem;
        }
        .form-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 1rem;
            transition: border-color 0.2s;
            background: #f8fafc;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #2563eb;
            background: #fff;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #2563eb;
            color: #fff;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background: #1d4ed8;
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: #f1f5f9;
            color: #1e293b;
        }
        .btn-secondary:hover {
            background: #e2e8f0;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 0.25rem;
            justify-content: flex-end;
            margin: 0.5rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #cbd5e1;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #facc15;
        }
        .comment-item {
            padding: 1rem 0;
            border-bottom: 1px solid #eef2f6;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-author {
            font-weight: 700;
            color: #0f172a;
        }
        .comment-date {
            font-size: 0.8rem;
            color: #94a3b8;
            margin-left: 0.8rem;
        }
        .comment-text {
            margin-top: 0.3rem;
        }
        .side-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef2f6;
            margin-bottom: 1.5rem;
        }
        .side-card h4 {
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 2px solid #facc15;
            padding-bottom: 0.4rem;
            display: inline-block;
        }
        .side-card ul {
            list-style: none;
            margin-top: 0.8rem;
        }
        .side-card li {
            padding: 0.4rem 0;
        }
        .side-card li a {
            font-weight: 500;
        }
        .side-card .badge {
            background: #facc15;
            color: #0f172a;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.2rem 0.6rem;
            border-radius: 40px;
            margin-left: 0.4rem;
        }
        footer {
            background: #0f172a;
            color: #cbd5e1;
            border-radius: 24px 24px 0 0;
            padding: 3rem 0 2rem 0;
            margin-top: 3rem;
        }
        footer .container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 2rem;
        }
        footer h5 {
            color: #facc15;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
        }
        footer a {
            color: #94a3b8;
            display: block;
            padding: 0.2rem 0;
        }
        footer a:hover {
            color: #facc15;
        }
        footer .copyright {
            grid-column: 1 / -1;
            text-align: center;
            border-top: 1px solid #1e293b;
            padding-top: 1.5rem;
            margin-top: 1.5rem;
            font-size: 0.85rem;
            color: #64748b;
        }
        friend-link {
            display: block;
            margin-top: 1rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .side-col {
                position: static;
            }
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.6rem;
                padding: 1rem 0 0.5rem 0;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 0.5rem;
            }
            nav.open {
                display: flex;
            }
            nav a {
                font-size: 1.05rem;
                padding: 0.5rem 0;
            }
            .content-card {
                padding: 1.2rem 1.2rem;
            }
            .form-card {
                padding: 1.2rem 1.2rem;
            }
            .link-list ul {
                grid-template-columns: 1fr;
            }
            .data-table {
                font-size: 0.8rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.4rem 0.6rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.8rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .header-inner {
                gap: 0.5rem;
            }
        }
        .highlight {
            background: #fef9c3;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
        }
        .emoji-big {
            font-size: 1.4rem;
        }
        .tag {
            display: inline-block;
            background: #dbeafe;
            color: #1e40af;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 40px;
            margin-right: 0.3rem;
        }
        .last-updated {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: #64748b;
            margin-top: 1.5rem;
            padding-top: 0.8rem;
            border-top: 1px dashed #e2e8f0;
        }