* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: #f5f7fa;
            color: #1a1a2e;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #0057b3;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #ff6b35;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0b1a2e 0%, #1a3a5c 100%);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            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: 12px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f9d423, #ff8c00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 12px rgba(255, 140, 0, 0.25);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #f9d423;
            margin-right: 6px;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: #fff;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 18px;
        }
        nav a {
            color: #e0e8f0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: all 0.2s;
        }
        nav a:hover {
            color: #f9d423;
            border-bottom-color: #f9d423;
            text-decoration: none;
        }
        nav a i {
            margin-right: 4px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #eef2f7;
            padding: 10px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #dce3ed;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a {
            color: #2c3e50;
        }
        .breadcrumb a:hover {
            color: #ff6b35;
        }
        .breadcrumb span {
            color: #6c7a8a;
        }
        .breadcrumb i {
            font-size: 0.7rem;
            color: #9aa8b9;
            margin: 0 4px;
        }
        main {
            padding: 40px 0 60px;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: #0b1a2e;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        h1 i {
            color: #f9d423;
            margin-right: 10px;
        }
        h2 {
            font-size: 2.0rem;
            font-weight: 700;
            color: #0b1a2e;
            margin-top: 52px;
            margin-bottom: 18px;
            padding-bottom: 8px;
            border-bottom: 4px solid #f9d423;
            display: inline-block;
        }
        h2 i {
            color: #ff8c00;
            margin-right: 8px;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1a3a5c;
            margin-top: 36px;
            margin-bottom: 12px;
        }
        h3 i {
            color: #0057b3;
            margin-right: 6px;
            font-size: 1.2rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #2c3e50;
            margin-top: 24px;
            margin-bottom: 8px;
        }
        p {
            margin-bottom: 18px;
            color: #2c3e50;
        }
        .lead {
            font-size: 1.2rem;
            color: #1a3a5c;
            font-weight: 400;
            margin-bottom: 28px;
            padding: 16px 24px;
            background: #eef2f7;
            border-left: 5px solid #f9d423;
            border-radius: 0 12px 12px 0;
        }
        .highlight {
            background: #fff8e1;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 4px;
        }
        .featured-image {
            margin: 32px 0 40px;
            border-radius: 16px;
            overflow: hidden;
            background: #fff;
            padding: 12px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
        }
        .featured-image figcaption {
            font-size: 0.9rem;
            color: #6c7a8a;
            text-align: center;
            padding: 12px 0 4px;
            font-style: italic;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
            margin: 28px 0;
        }
        .card {
            background: #fff;
            border-radius: 16px;
            padding: 24px 20px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.05);
            transition: transform 0.2s, box-shadow 0.2s;
            border: 1px solid #eef2f7;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
        }
        .card i {
            font-size: 2.2rem;
            color: #f9d423;
            margin-bottom: 12px;
        }
        .card h4 {
            margin-top: 0;
            font-size: 1.2rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 28px 0;
            border-radius: 12px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            font-size: 0.95rem;
        }
        th {
            background: #0b1a2e;
            color: #fff;
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
        }
        td {
            padding: 12px 16px;
            border-bottom: 1px solid #eef2f7;
        }
        tr:hover td {
            background: #f8faff;
        }
        .search-box {
            display: flex;
            max-width: 560px;
            margin: 28px 0 20px;
            background: #fff;
            border-radius: 60px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            overflow: hidden;
            border: 1px solid #dce3ed;
            transition: border-color 0.2s;
        }
        .search-box:focus-within {
            border-color: #f9d423;
            box-shadow: 0 4px 28px rgba(249, 212, 35, 0.12);
        }
        .search-box input {
            flex: 1;
            padding: 15px 22px;
            border: none;
            outline: none;
            font-size: 1rem;
            background: transparent;
            color: #1a1a2e;
        }
        .search-box button {
            background: #0b1a2e;
            color: #fff;
            border: none;
            padding: 0 28px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-box button:hover {
            background: #1a3a5c;
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin: 48px 0 32px;
            background: #fff;
            border-radius: 20px;
            padding: 32px 36px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef2f7;
        }
        .interaction-area h3 {
            margin-top: 0;
            font-size: 1.4rem;
        }
        .interaction-area form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .interaction-area input,
        .interaction-area textarea,
        .interaction-area select {
            padding: 12px 16px;
            border: 1px solid #dce3ed;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border-color 0.2s;
            background: #fafbfc;
        }
        .interaction-area input:focus,
        .interaction-area textarea:focus,
        .interaction-area select:focus {
            border-color: #f9d423;
            outline: none;
            background: #fff;
        }
        .interaction-area textarea {
            min-height: 90px;
            resize: vertical;
        }
        .interaction-area .btn {
            background: #0b1a2e;
            color: #fff;
            border: none;
            padding: 12px 24px;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            align-self: flex-start;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .interaction-area .btn:hover {
            background: #1a3a5c;
            transform: scale(1.01);
            text-decoration: none;
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.6rem;
            color: #ddd;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color 0.2s;
            color: #ddd;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f9d423;
        }
        footer {
            background: #0b1a2e;
            color: #c8d6e5;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        footer h4 {
            color: #f9d423;
            margin-top: 0;
            margin-bottom: 16px;
            font-size: 1.1rem;
        }
        footer a {
            color: #a8c8e8;
        }
        footer a:hover {
            color: #f9d423;
        }
        footer .copyright {
            grid-column: 1 / -1;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            margin-top: 12px;
            text-align: center;
            font-size: 0.9rem;
            color: #8899aa;
        }
        friend-link {
            display: block;
            margin-top: 8px;
        }
        friend-link a {
            display: inline-block;
            margin-right: 20px;
            padding: 4px 0;
        }
        @media (max-width: 900px) {
            .interaction-area {
                grid-template-columns: 1fr;
                padding: 24px 20px;
            }
            footer .container {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            h1 {
                font-size: 2.1rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 0 8px;
                gap: 4px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                width: 100%;
                padding: 10px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            .header-inner {
                align-items: center;
            }
            footer .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .search-box {
                flex-direction: column;
                border-radius: 16px;
            }
            .search-box input {
                padding: 14px 18px;
            }
            .search-box button {
                padding: 14px 18px;
                justify-content: center;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            body {
                font-size: 15px;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .interaction-area {
                padding: 18px 14px;
            }
        }
        .mt-2 {
            margin-top: 20px;
        }
        .mb-2 {
            margin-bottom: 20px;
        }
        .text-sm {
            font-size: 0.9rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .tag {
            display: inline-block;
            background: #eef2f7;
            padding: 2px 14px;
            border-radius: 60px;
            font-size: 0.85rem;
            color: #1a3a5c;
        }
        .updated {
            background: #e8f5e9;
            padding: 10px 18px;
            border-radius: 60px;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #2e7d32;
            font-weight: 500;
        }