*,
        *::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: #f5f3ef;
            color: #2d2a24;
            line-height: 1.7;
            padding: 0 1rem;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #1a6b4a;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus {
            color: #0d4a33;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            color: #1e3b2f;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
            border-radius: 24px 24px 0 0;
            overflow: hidden;
            padding: 0 1.5rem 2rem;
        }
        header {
            padding: 1.5rem 0 0.5rem;
            border-bottom: 2px solid #e8e3db;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #1a6b4a, #2d9b6e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #1a6b4a;
            font-size: 1.8rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: wrap;
        }
        nav a {
            padding: 0.5rem 1rem;
            border-radius: 40px;
            font-weight: 500;
            color: #2d2a24;
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover,
        nav a:focus {
            background: #1a6b4a15;
            color: #1a6b4a;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1e3b2f;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            border-radius: 8px;
        }
        .hamburger:hover {
            background: #e8e3db;
        }
        .breadcrumb {
            padding: 1rem 0 0.5rem;
            font-size: 0.9rem;
            color: #6b655a;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }
        .breadcrumb a {
            color: #1a6b4a;
        }
        .breadcrumb span {
            color: #8a8478;
        }
        .search-wrap {
            display: flex;
            max-width: 500px;
            margin: 1.5rem 0 2rem;
            border-radius: 60px;
            overflow: hidden;
            border: 1px solid #d6d0c6;
            background: #faf8f5;
            transition: box-shadow 0.2s;
        }
        .search-wrap:focus-within {
            box-shadow: 0 0 0 3px #1a6b4a40;
        }
        .search-wrap input {
            flex: 1;
            border: none;
            padding: 0.8rem 1.2rem;
            font-size: 1rem;
            background: transparent;
            outline: none;
            font-family: inherit;
        }
        .search-wrap button {
            background: #1a6b4a;
            border: none;
            color: #fff;
            padding: 0 1.5rem;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-wrap button:hover {
            background: #0d4a33;
        }
        main {
            padding: 0.5rem 0 3rem;
        }
        h1 {
            font-size: 2.6rem;
            margin: 1rem 0 0.5rem;
            color: #1a3b2a;
        }
        .subhead {
            font-size: 1.15rem;
            color: #5a5448;
            margin-bottom: 2rem;
            border-left: 4px solid #2d9b6e;
            padding-left: 1.2rem;
        }
        h2 {
            font-size: 1.9rem;
            margin: 2.8rem 0 1rem;
            border-bottom: 2px solid #e8e3db;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.4rem;
            margin: 2rem 0 0.8rem;
            color: #1e4a36;
        }
        h4 {
            font-size: 1.15rem;
            margin: 1.4rem 0 0.5rem;
            color: #2d5a44;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .feature-img {
            border-radius: 16px;
            margin: 1.8rem 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            width: 100%;
        }
        .highlight {
            background: #f0f7f3;
            padding: 1.2rem 1.8rem;
            border-radius: 16px;
            border-left: 5px solid #2d9b6e;
            margin: 1.8rem 0;
        }
        .highlight strong {
            color: #1a4a34;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2rem 0;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .card {
            background: #faf8f5;
            border-radius: 16px;
            padding: 1.5rem;
            border: 1px solid #e8e3db;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
        }
        .card i {
            font-size: 2rem;
            color: #2d9b6e;
            margin-bottom: 0.6rem;
        }
        .card h4 {
            margin-top: 0;
        }
        .feedback-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0;
            padding: 2rem;
            background: #f8f6f2;
            border-radius: 20px;
        }
        .feedback-wrap form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .feedback-wrap input,
        .feedback-wrap textarea,
        .feedback-wrap select {
            padding: 0.7rem 1rem;
            border: 1px solid #d6d0c6;
            border-radius: 10px;
            font-family: inherit;
            font-size: 0.95rem;
            background: #fff;
            transition: border-color 0.2s;
        }
        .feedback-wrap input:focus,
        .feedback-wrap textarea:focus,
        .feedback-wrap select:focus {
            outline: none;
            border-color: #2d9b6e;
        }
        .feedback-wrap textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-wrap button {
            background: #1a6b4a;
            color: #fff;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
        }
        .feedback-wrap button:hover {
            background: #0d4a33;
        }
        .rating-group {
            display: flex;
            gap: 0.5rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .rating-group label {
            font-weight: 500;
        }
        .rating-group select {
            min-width: 120px;
        }
        footer {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid #e8e3db;
        }
        friend-link {
            display: block;
            padding: 1.5rem 0 0.5rem;
            font-style: normal;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 1rem 0.3rem 0;
            padding: 0.3rem 1rem;
            background: #f0f7f3;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.95rem;
        }
        friend-link a:hover {
            background: #dcebe2;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding: 1.5rem 0 0.5rem;
            color: #6b655a;
            font-size: 0.9rem;
        }
        .copyright strong {
            color: #2d2a24;
        }
        .last-updated {
            display: inline-block;
            background: #e8f0ec;
            padding: 0.25rem 1rem;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #1a4a34;
            margin: 0.5rem 0 1rem;
        }
        @media (max-width: 820px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .grid-3 {
                grid-template-columns: 1fr 1fr;
            }
            .feedback-wrap {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            .container {
                padding: 0 1rem 1.5rem;
                border-radius: 16px 16px 0 0;
            }
        }
        @media (max-width: 640px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 1rem 0 0.5rem;
                gap: 0.2rem;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 0.6rem 1rem;
                border-radius: 10px;
            }
            .grid-3 {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .search-wrap {
                flex-direction: column;
                border-radius: 16px;
            }
            .search-wrap button {
                padding: 0.7rem;
                justify-content: center;
            }
            .feedback-wrap {
                padding: 1.2rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 400px) {
            body {
                padding: 0 0.5rem;
            }
            .container {
                padding: 0 0.75rem 1rem;
            }
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }