* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f8f7f2;
            color: #1e1e1e;
            line-height: 1.7;
            padding: 0 16px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.05);
            border-radius: 24px;
            padding: 20px 24px 40px;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            border-bottom: 2px solid #eae6de;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #58cc02, #1cb0f6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            -webkit-text-fill-color: #1cb0f6;
            font-size: 2rem;
        }
        .my-logo:hover {
            opacity: 0.85;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 2rem;
            color: #1e1e1e;
            cursor: pointer;
            padding: 4px 8px;
        }
        nav {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            text-decoration: none;
            color: #2c2c2c;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 12px;
            border-radius: 40px;
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover {
            background: #eae6de;
            color: #1cb0f6;
        }
        .nav-active {
            background: #1cb0f6;
            color: #fff !important;
        }
        .breadcrumb {
            padding: 12px 0 8px;
            font-size: 0.85rem;
            color: #666;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            list-style: none;
            border-bottom: 1px solid #f0ede6;
            margin-bottom: 20px;
        }
        .breadcrumb li {
            display: inline;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 8px;
            color: #aaa;
        }
        .breadcrumb a {
            color: #1cb0f6;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 20px 0 12px;
            color: #1a1a2e;
        }
        h1 i {
            color: #58cc02;
            margin-right: 10px;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 48px 0 16px;
            color: #1a1a2e;
            border-left: 6px solid #1cb0f6;
            padding-left: 18px;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 32px 0 12px;
            color: #2c2c2c;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 24px 0 10px;
            color: #3a3a3a;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #2c2c2c;
        }
        .content-img {
            max-width: 100%;
            height: auto;
            border-radius: 20px;
            margin: 24px 0;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
            display: block;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #888;
            background: #f5f3ee;
            display: inline-block;
            padding: 4px 16px;
            border-radius: 40px;
            margin-bottom: 16px;
        }
        .btn {
            display: inline-block;
            background: #58cc02;
            color: #fff;
            padding: 10px 28px;
            border-radius: 40px;
            font-weight: 600;
            text-decoration: none;
            transition: background 0.2s, transform 0.1s;
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }
        .btn:hover {
            background: #46a302;
            transform: scale(1.02);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #1cb0f6;
            color: #1cb0f6;
        }
        .btn-outline:hover {
            background: #1cb0f6;
            color: #fff;
        }
        .form-card {
            background: #faf8f4;
            border-radius: 20px;
            padding: 28px 30px;
            margin: 36px 0;
            border: 1px solid #eae6de;
        }
        .form-card h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #ddd;
            border-radius: 14px;
            font-size: 1rem;
            background: #fff;
            transition: border 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #1cb0f6;
            outline: none;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 4px;
            font-size: 2rem;
            cursor: pointer;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ddd;
            transition: color 0.2s;
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b642;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .link-list {
            list-style: none;
            padding: 0;
        }
        .link-list li {
            margin-bottom: 10px;
        }
        .link-list a {
            color: #1cb0f6;
            text-decoration: none;
            font-weight: 500;
            border-bottom: 1px solid transparent;
            transition: border 0.2s;
        }
        .link-list a:hover {
            border-bottom-color: #1cb0f6;
        }
        .card {
            background: #faf8f4;
            border-radius: 20px;
            padding: 24px;
            border: 1px solid #eae6de;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
        }
        .card i {
            font-size: 2rem;
            color: #1cb0f6;
            margin-bottom: 12px;
        }
        .quote {
            border-left: 4px solid #58cc02;
            padding: 16px 24px;
            margin: 24px 0;
            background: #f5f3ee;
            border-radius: 0 16px 16px 0;
            font-style: italic;
        }
        .quote cite {
            display: block;
            margin-top: 8px;
            font-style: normal;
            font-weight: 600;
            color: #1a1a2e;
        }
        footer {
            margin-top: 48px;
            padding-top: 28px;
            border-top: 2px solid #eae6de;
            font-size: 0.95rem;
        }
        friend-link {
            display: block;
            padding: 16px 0;
        }
        friend-link a {
            color: #1cb0f6;
            text-decoration: none;
            margin: 0 8px 8px 0;
            display: inline-block;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding: 18px 0 8px;
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .container {
                padding: 12px 16px 32px;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 8px;
                padding: 12px 0 0;
                border-top: 1px solid #eae6de;
                margin-top: 12px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 10px 16px;
                width: 100%;
                border-radius: 12px;
            }
            .grid-2,
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .form-card {
                padding: 20px 18px;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (min-width: 769px) {
            .hamburger {
                display: none;
            }
            nav {
                display: flex !important;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        .highlight {
            background: linear-gradient(120deg, #fdf6d0 0%, #fdf6d0 40%, transparent 80%);
            padding: 0 6px;
            font-weight: 600;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #faf8f4;
            border-radius: 16px;
            overflow: hidden;
        }
        th,
        td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid #eae6de;
        }
        th {
            background: #eae6de;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        .tag {
            display: inline-block;
            background: #eae6de;
            padding: 2px 14px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 500;
            color: #3a3a3a;
        }