*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #f4f7f2;
            color: #1e2a1e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #2d6a4f;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #1b4332;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            font-weight: 700;
            color: #1b3a2b;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #40916c;
            padding-left: 0.9rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #2d6a4f;
        }
        h4 {
            font-size: 1.1rem;
            color: #3a7d5c;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 1rem;
            background: #1b4332;
            color: #fff;
            padding: 0.6rem 1.4rem;
            border-radius: 0 0 6px 6px;
            z-index: 1000;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }
        .site-header {
            background: linear-gradient(135deg, #1b4332 0%, #2d6a4f 70%, #40916c 100%);
            padding: 0.6rem 0 0.2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 0.4rem 0;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            color: #f0f7f0;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
            transition: transform 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #d8f3dc;
            text-decoration: none;
        }
        .my-logo i {
            font-size: 1.8rem;
            color: #95d5b2;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .main-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e9f5e9;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.92rem;
            transition: background 0.25s, color 0.25s;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.7rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #e8f0e6;
            padding: 0.6rem 0;
            font-size: 0.88rem;
            border-bottom: 1px solid #cfe3d4;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            margin: 0;
            padding: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #6b8f71;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #2d6a4f;
        }
        .breadcrumb .current {
            color: #1b4332;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #d8f3dc 0%, #b7e4c7 100%);
            border-radius: 20px;
            padding: 2.2rem 2.5rem;
            margin: 1.8rem 0 2.2rem;
            box-shadow: 0 6px 24px rgba(45, 106, 79, 0.12);
        }
        .hero h1 {
            font-size: 2.6rem;
            margin-top: 0;
            color: #0f2b1e;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 800px;
            color: #1e3a2a;
        }
        .hero .meta {
            font-size: 0.92rem;
            color: #3a6b4e;
            margin-top: 0.8rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .hero .meta i {
            margin-right: 0.3rem;
        }
        .content-card {
            background: #ffffff;
            border-radius: 18px;
            padding: 2rem 2.2rem;
            margin-bottom: 2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #e2efe4;
        }
        .content-card img {
            border-radius: 14px;
            margin: 1.5rem 0;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
        }
        .content-card .img-caption {
            font-size: 0.88rem;
            color: #4f6b58;
            text-align: center;
            margin-top: -0.8rem;
            margin-bottom: 1.6rem;
            font-style: italic;
        }
        .search-section {
            background: #edf7f0;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 2rem 0;
            border: 1px solid #cfe3d4;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            max-width: 640px;
            margin: 0 auto;
        }
        .search-form input[type="text"] {
            flex: 1 1 260px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #b7d7c2;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
            transition: border 0.25s, box-shadow 0.25s;
            outline: none;
        }
        .search-form input[type="text"]:focus {
            border-color: #2d6a4f;
            box-shadow: 0 0 0 4px rgba(45, 106, 79, 0.12);
        }
        .search-form button {
            background: #2d6a4f;
            color: #fff;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #1b4332;
            transform: scale(1.02);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.2rem 0;
        }
        .interaction-card {
            background: #fafff8;
            border-radius: 16px;
            padding: 1.6rem 1.8rem;
            border: 1px solid #dcebdf;
        }
        .interaction-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .interaction-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .interaction-card input,
        .interaction-card textarea,
        .interaction-card select {
            padding: 0.7rem 1rem;
            border: 2px solid #cfe3d4;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border 0.25s;
            outline: none;
            background: #fff;
        }
        .interaction-card input:focus,
        .interaction-card textarea:focus,
        .interaction-card select:focus {
            border-color: #2d6a4f;
        }
        .interaction-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .interaction-card button {
            background: #2d6a4f;
            color: #fff;
            border: none;
            padding: 0.7rem 1.6rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s;
            align-self: flex-start;
        }
        .interaction-card button:hover {
            background: #1b4332;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.15rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.6rem;
            color: #c9dac9;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f4b942;
        }
        .faq-item {
            border-bottom: 1px solid #dfeee2;
            padding: 0.9rem 0;
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            color: #1b4332;
            padding: 0.3rem 0;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary i {
            color: #40916c;
            font-size: 0.9rem;
            transition: transform 0.25s;
        }
        .faq-item[open] summary i {
            transform: rotate(90deg);
        }
        .faq-item .answer {
            padding: 0.4rem 0 0.8rem 1.6rem;
            color: #2c3e2c;
        }
        .site-footer {
            background: #1b2e22;
            color: #d8e8da;
            padding: 2.2rem 0 1.2rem;
            margin-top: 3rem;
            border-top: 4px solid #40916c;
        }
        .site-footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .site-footer h4 {
            color: #b7e4c7;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #b7e4c7;
        }
        .site-footer a:hover {
            color: #d8f3dc;
        }
        .footer-bottom {
            grid-column: 1 / -1;
            border-top: 1px solid #3a5e46;
            padding-top: 1.2rem;
            margin-top: 1rem;
            font-size: 0.88rem;
            text-align: center;
            color: #8fb89b;
        }
        friend-link {
            display: block;
            margin-top: 0.6rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            margin-bottom: 0.4rem;
        }
        .friend-links-title {
            font-weight: 600;
            color: #b7e4c7;
            margin-bottom: 0.3rem;
        }
        @media (max-width: 820px) {
            .header-inner {
                flex-wrap: nowrap;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                background: #1b4332;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                padding: 1rem 1.2rem;
                border-radius: 0 0 16px 16px;
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
                gap: 0.3rem;
                z-index: 99;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 10px;
            }
            .hamburger {
                display: block;
            }
            #nav-toggle:checked~.main-nav {
                display: flex;
            }
            .hero {
                padding: 1.6rem 1.4rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .content-card {
                padding: 1.4rem 1.2rem;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .container {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero .meta {
                flex-direction: column;
                gap: 0.3rem;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo i {
                font-size: 1.3rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
        }
        .highlight {
            background: #d8f3dc;
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: #40916c;
            color: #fff;
            font-size: 0.75rem;
            padding: 0.15rem 0.7rem;
            border-radius: 30px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .text-small {
            font-size: 0.88rem;
            color: #4f6b58;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            align-items: center;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.6rem 1rem;
            text-align: left;
            border-bottom: 1px solid #dcebdf;
        }
        th {
            background: #e8f3ea;
            font-weight: 600;
            color: #1b4332;
        }
        tr:hover td {
            background: #f5fbf6;
        }