* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.8;
            color: #1e2a3a;
            background: #f8fafc;
            padding: 0 1rem;
        }
        a {
            color: #0b6e4f;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #084c37;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.8rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0f2b2a;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #0b6e4f;
            padding-bottom: 0.5rem;
            margin-top: 1rem;
        }
        h2 {
            font-size: 1.9rem;
            border-left: 6px solid #0b6e4f;
            padding-left: 1rem;
            margin-top: 2.8rem;
        }
        h3 {
            font-size: 1.5rem;
            margin-top: 2rem;
        }
        h4 {
            font-size: 1.25rem;
            margin-top: 1.5rem;
            color: #1e4a3a;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.04);
            border-radius: 20px;
            padding: 1.5rem 2rem 2rem;
            margin-top: 1rem;
            margin-bottom: 3rem;
        }
        .text-highlight {
            background: linear-gradient(145deg, #e6f7f0, #c8f0dc);
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 0.3rem;
        }
        .badge {
            display: inline-block;
            background: #0b6e4f;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            letter-spacing: 0.3px;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.8rem 0;
            border-bottom: 2px solid #e2ece8;
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #0b6e4f;
            background: linear-gradient(135deg, #0b6e4f, #1a9e76);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #0b6e4f;
            font-size: 1.8rem;
        }
        .my-logo small {
            font-size: 0.85rem;
            font-weight: 400;
            -webkit-text-fill-color: #4a6a5e;
            color: #4a6a5e;
            letter-spacing: 0.5px;
        }
        .nav-bar {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .nav-bar a {
            font-weight: 500;
            font-size: 0.98rem;
            color: #1e3a3a;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .nav-bar a:hover {
            border-bottom-color: #0b6e4f;
            text-decoration: none;
            color: #0b6e4f;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #0b6e4f;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 8px;
            transition: 0.2s;
        }
        .hamburger:hover {
            background: #e6f7f0;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            padding: 0.6rem 0 0.2rem 0;
            font-size: 0.88rem;
            color: #4a6a5e;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem;
            width: 100%;
            margin-top: 0.3rem;
        }
        .breadcrumb a {
            color: #0b6e4f;
        }
        .breadcrumb span {
            color: #6b8a7a;
        }
        .search-wrap {
            display: flex;
            max-width: 480px;
            margin: 1.8rem 0 1rem;
            border-radius: 50px;
            overflow: hidden;
            border: 2px solid #d5e6de;
            background: #fff;
            transition: 0.2s;
        }
        .search-wrap:focus-within {
            border-color: #0b6e4f;
            box-shadow: 0 0 0 4px rgba(11, 110, 79, 0.1);
        }
        .search-wrap input {
            flex: 1;
            border: none;
            padding: 0.8rem 1.2rem;
            font-size: 1rem;
            outline: none;
            background: transparent;
            font-family: inherit;
        }
        .search-wrap button {
            background: #0b6e4f;
            color: #fff;
            border: none;
            padding: 0.8rem 1.6rem;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
            font-weight: 600;
        }
        .search-wrap button:hover {
            background: #084c37;
        }
        .feedback-section {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-top: 3rem;
            padding: 2rem 1.8rem;
            background: #f2f9f5;
            border-radius: 20px;
            border: 1px solid #d5e6de;
        }
        .feedback-section .form-group {
            flex: 1 1 260px;
        }
        .feedback-section h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.3rem;
        }
        .feedback-section label {
            font-weight: 600;
            display: block;
            margin: 0.6rem 0 0.3rem;
        }
        .feedback-section input,
        .feedback-section textarea,
        .feedback-section select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #d5e6de;
            border-radius: 12px;
            font-family: inherit;
            font-size: 0.95rem;
            background: #fff;
            transition: 0.2s;
        }
        .feedback-section input:focus,
        .feedback-section textarea:focus,
        .feedback-section select:focus {
            border-color: #0b6e4f;
            outline: none;
            box-shadow: 0 0 0 3px rgba(11, 110, 79, 0.08);
        }
        .feedback-section textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-section .btn-submit {
            background: #0b6e4f;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            margin-top: 0.8rem;
            display: inline-block;
        }
        .feedback-section .btn-submit:hover {
            background: #084c37;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(11, 110, 79, 0.25);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            margin-top: 0.3rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #d0dbd3;
            cursor: pointer;
            transition: 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        .featured-image {
            margin: 2rem 0 2.2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
        }
        .featured-image img {
            width: 100%;
            max-height: 520px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 0.8rem 1.2rem;
            background: #f2f9f5;
            font-size: 0.9rem;
            color: #2a4a3e;
            font-style: italic;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0 2rem;
            font-size: 0.98rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .data-table th {
            background: #0b6e4f;
            color: #fff;
            padding: 0.8rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #e8f0ec;
        }
        .data-table tr:nth-child(even) {
            background: #f6fbf9;
        }
        .data-table tr:hover td {
            background: #e6f7f0;
        }
        .site-footer {
            margin-top: 3.5rem;
            padding-top: 2rem;
            border-top: 3px solid #e2ece8;
            font-size: 0.95rem;
            color: #2a4a3e;
        }
        .site-footer friend-link {
            display: block;
            padding: 1.2rem 1.5rem;
            background: #f2f9f5;
            border-radius: 16px;
            margin-bottom: 1.5rem;
            font-weight: 500;
            border: 1px solid #d5e6de;
        }
        .site-footer friend-link a {
            display: inline-block;
            margin: 0.3rem 1rem 0.3rem 0;
            padding: 0.2rem 0.8rem;
            background: #e6f7f0;
            border-radius: 30px;
            font-size: 0.92rem;
            transition: 0.2s;
        }
        .site-footer friend-link a:hover {
            background: #0b6e4f;
            color: #fff;
            text-decoration: none;
        }
        .footer-copy {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0 0.5rem;
            gap: 1rem;
            color: #4a6a5e;
        }
        .footer-copy small {
            font-size: 0.85rem;
        }
        @media (max-width: 820px) {
            .container {
                padding: 1rem 1.2rem 1.5rem;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .site-header {
                padding-bottom: 0.5rem;
            }
            .hamburger {
                display: block;
            }
            .nav-bar {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 0.2rem;
                padding: 1rem 0 0.5rem 0;
                border-top: 1px solid #e2ece8;
                margin-top: 0.8rem;
            }
            .nav-bar a {
                padding: 0.6rem 0.8rem;
                border-radius: 10px;
                border-bottom: none;
                background: #f2f9f5;
            }
            .nav-bar a:hover {
                background: #e6f7f0;
                border-bottom: none;
            }
            #nav-toggle:checked~.nav-bar {
                display: flex;
            }
            .feedback-section {
                flex-direction: column;
                gap: 1.5rem;
                padding: 1.5rem;
            }
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.5rem 0.6rem;
            }
            .footer-copy {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.4rem;
            }
            .container {
                padding: 0.8rem 0.9rem 1.2rem;
                border-radius: 12px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
                padding-left: 0.6rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            .search-wrap input {
                padding: 0.5rem 0.8rem;
                font-size: 0.9rem;
            }
            .search-wrap button {
                padding: 0.5rem 1rem;
                font-size: 0.9rem;
            }
            .star-rating label {
                font-size: 1.6rem;
            }
        }
        @media (min-width: 821px) {
            .nav-bar {
                display: flex !important;
            }
            #nav-toggle {
                display: none;
            }
            .hamburger {
                display: none;
            }
        }
        .pro-tip {
            background: #e6f7f0;
            border-left: 6px solid #0b6e4f;
            padding: 1.2rem 1.8rem;
            border-radius: 12px;
            margin: 1.8rem 0;
        }
        .pro-tip strong {
            color: #0b6e4f;
        }
        .interview-block {
            background: #faf6ed;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            border: 1px solid #e8dfcc;
        }
        .interview-block .quote {
            font-style: italic;
            font-size: 1.1rem;
            color: #2a3a32;
            border-left: 4px solid #c4a86a;
            padding-left: 1.2rem;
            margin: 0.8rem 0;
        }
        .glossary-term {
            font-weight: 700;
            color: #0b6e4f;
        }
        .last-updated {
            display: inline-block;
            background: #f2f9f5;
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #2a4a3e;
            margin-bottom: 1.2rem;
        }
        .btn-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #0b6e4f;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: 0 6px 24px rgba(11, 110, 79, 0.3);
            transition: 0.2s;
            z-index: 99;
            border: none;
            cursor: pointer;
        }
        .btn-top:hover {
            background: #084c37;
            transform: translateY(-3px);
        }