        *,
        *::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, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
            background: #f5f3ef;
            color: #2e2b27;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #2d6a4f;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus {
            color: #1b4332;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        hr {
            border: none;
            border-top: 2px solid #d8d4cf;
            margin: 2.5rem 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 1rem;
            background: #2d6a4f;
            color: #fff;
            padding: 0.6rem 1.2rem;
            border-radius: 0 0 8px 8px;
            z-index: 1000;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }
        .site-header {
            background: #1b3a2d;
            color: #f5f3ef;
            padding: 1rem 0;
            border-radius: 0 0 20px 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            margin-bottom: 2rem;
            position: relative;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f5f3ef;
            background: #2d6a4f;
            padding: 0.2rem 1rem;
            border-radius: 40px;
            display: inline-block;
            border: 2px solid #95d5b2;
            text-decoration: none !important;
        }
        .my-logo:hover {
            background: #40916c;
            color: #fff;
            text-decoration: none;
        }
        .my-logo small {
            font-weight: 300;
            font-size: 0.7rem;
            opacity: 0.85;
            display: block;
            line-height: 1;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f5f3ef;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-menu {
            display: flex;
            gap: 0.2rem 1.2rem;
            flex-wrap: wrap;
            align-items: center;
            list-style: none;
        }
        .nav-menu li a {
            color: #d8f3dc;
            font-weight: 500;
            padding: 0.4rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .nav-menu li a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            text-decoration: none;
        }
        .nav-menu li a.active {
            background: #2d6a4f;
            color: #fff;
        }
        .breadcrumb {
            background: transparent;
            padding: 0.8rem 0 0.2rem 0;
            font-size: 0.9rem;
            color: #6b6a68;
            max-width: 1200px;
            margin: 0 auto 1.2rem auto;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            list-style: none;
            padding: 0 1rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #b0a99f;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #2d6a4f;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #4a4a48;
            font-weight: 500;
        }
        .last-updated {
            display: block;
            text-align: right;
            font-size: 0.85rem;
            color: #7f7b76;
            padding: 0.2rem 1rem 0 0;
            max-width: 1200px;
            margin: 0 auto;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: #1b3a2d;
            margin: 0.5rem 0 1.5rem 0;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #1b3a2d;
            margin: 2.8rem 0 1.2rem 0;
            padding-bottom: 0.4rem;
            border-bottom: 4px solid #95d5b2;
            display: inline-block;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #2d4a3a;
            margin: 2rem 0 0.8rem 0;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #3d5a4a;
            margin: 1.5rem 0 0.5rem 0;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #2e2b27;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 400;
            color: #3d4a42;
            border-left: 4px solid #95d5b2;
            padding-left: 1.5rem;
            margin-bottom: 2rem;
        }
        strong,
        b {
            color: #1b3a2d;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.2em;
        }
        .card {
            background: #fffffffa;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            margin-bottom: 2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #e8e4de;
            transition: box-shadow 0.3s;
        }
        .card:hover {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }
        .stat-box {
            background: #edf7f0;
            border-radius: 16px;
            padding: 1.5rem;
            text-align: center;
            border: 1px solid #cfe8d6;
        }
        .stat-box .num {
            font-size: 2.8rem;
            font-weight: 800;
            color: #1b3a2d;
            display: block;
        }
        .stat-box .label {
            font-size: 1rem;
            color: #4a6a5a;
            font-weight: 500;
        }
        .feature-img {
            margin: 2rem 0;
            border-radius: 16px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }
        .feature-img figcaption {
            text-align: center;
            font-size: 0.9rem;
            color: #6b6a68;
            margin-top: 0.6rem;
            font-style: italic;
        }
        .highlight-box {
            background: #f0f7f2;
            border-left: 6px solid #2d6a4f;
            padding: 1.5rem 2rem;
            border-radius: 0 16px 16px 0;
            margin: 2rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 0.6rem 1.2rem;
            list-style: none;
            padding: 0;
            margin: 1.5rem 0;
        }
        .link-list li a {
            display: block;
            padding: 0.5rem 0.8rem;
            background: #f5f3ef;
            border-radius: 10px;
            border: 1px solid #e0dbd4;
            font-weight: 500;
            transition: all 0.2s;
        }
        .link-list li a:hover {
            background: #2d6a4f;
            color: #fff;
            border-color: #2d6a4f;
            text-decoration: none;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
            margin: 1.8rem 0;
            max-width: 600px;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #d8d4cf;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
            transition: border-color 0.2s;
        }
        .search-form input:focus {
            outline: none;
            border-color: #2d6a4f;
        }
        .search-form button {
            padding: 0.8rem 2rem;
            background: #2d6a4f;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #1b4332;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2rem 0;
        }
        @media (max-width:700px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .comment-form textarea,
        .comment-form input,
        .rating-form select,
        .rating-form input {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #d8d4cf;
            border-radius: 12px;
            font-size: 1rem;
            background: #fff;
            transition: border-color 0.2s;
            font-family: inherit;
        }
        .comment-form textarea:focus,
        .comment-form input:focus,
        .rating-form select:focus,
        .rating-form input:focus {
            outline: none;
            border-color: #2d6a4f;
        }
        .comment-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .comment-form .btn,
        .rating-form .btn {
            background: #2d6a4f;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 1rem;
            margin-top: 0.5rem;
        }
        .comment-form .btn:hover,
        .rating-form .btn:hover {
            background: #1b4332;
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 2rem;
            color: #e0d4c0;
            cursor: pointer;
            margin: 0.5rem 0;
        }
        .rating-stars .star.active {
            color: #f4b942;
        }
        .rating-stars .star:hover {
            color: #f4b942;
        }
        .interview-block {
            background: #f5f0ea;
            border-radius: 20px;
            padding: 2rem;
            margin: 2rem 0;
            border: 1px solid #e0dbd4;
        }
        .interview-block .q {
            font-weight: 700;
            color: #1b3a2d;
        }
        .interview-block .a {
            padding-left: 1.5rem;
            border-left: 3px solid #95d5b2;
            margin-bottom: 1.5rem;
        }
        .faq-item {
            border-bottom: 1px solid #e0dbd4;
            padding: 1.2rem 0;
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            color: #1b3a2d;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::before {
            content: "▶";
            font-size: 0.8rem;
            color: #2d6a4f;
            transition: transform 0.2s;
        }
        .faq-item[open] summary::before {
            transform: rotate(90deg);
        }
        .faq-item .answer {
            padding: 0.8rem 0 0.4rem 1.8rem;
            color: #3d4a42;
        }
        .site-footer {
            background: #1b3a2d;
            color: #d8f3dc;
            padding: 2.5rem 1.5rem 1.5rem;
            border-radius: 20px 20px 0 0;
            margin-top: 3rem;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        @media (max-width:600px) {
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        .footer-inner h4 {
            color: #95d5b2;
            font-size: 1.2rem;
            margin-bottom: 0.8rem;
            border: none;
        }
        .footer-inner a {
            color: #b7e4c7;
        }
        .footer-inner a:hover {
            color: #fff;
        }
        friend-link {
            display: block;
            margin: 0.8rem 0;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.6rem 0.2rem 0;
            padding: 0.2rem 0.8rem;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 20px;
            font-size: 0.9rem;
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, 0.14);
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #a8c5b8;
            grid-column: 1 / -1;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1b3a2d;
                border-radius: 16px;
                padding: 1rem 0.5rem;
                margin-top: 0.5rem;
                gap: 0.2rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                padding: 0.8rem 1rem;
                width: 100%;
                display: block;
                border-radius: 8px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .card {
                padding: 1.5rem;
            }
            .header-inner {
                padding: 0 1rem;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.3rem;
                padding: 0.1rem 0.8rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
                padding: 0 0.5rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
