* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background: #f8f5f0;
            color: #2d2a24;
            line-height: 1.7;
            font-size: 16px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e3c2c 0%, #2a5a3e 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f5d742;
            text-decoration: none;
            font-family: 'Georgia', serif;
            text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.2);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #ffe066;
        }
        .my-logo small {
            font-size: 0.7rem;
            color: #c4e0d0;
            letter-spacing: 1px;
            display: block;
            font-weight: 400;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            border-color: #f5d742;
            color: #f5d742;
        }
        nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #e8f0ec;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.92rem;
            padding: 6px 14px;
            border-radius: 30px;
            transition: all 0.25s;
            white-space: nowrap;
            border: 1px solid transparent;
        }
        nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #f5d742;
            border-color: rgba(245, 215, 66, 0.3);
        }
        .breadcrumb {
            background: #ece7de;
            padding: 10px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d9d0c4;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb ol li {
            display: flex;
            align-items: center;
            gap: 6px;
            color: #5a4f42;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            color: #9a8a78;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .breadcrumb a {
            color: #2a5a3e;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #7a6a58;
            font-weight: 500;
        }
        main {
            padding: 40px 0 60px;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #1e3c2c;
            line-height: 1.2;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        h1 .highlight {
            color: #c9772e;
        }
        .subhead {
            font-size: 1.15rem;
            color: #5a4f42;
            margin-bottom: 30px;
            border-left: 4px solid #c9772e;
            padding-left: 18px;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #1e3c2c;
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #e0d5c8;
        }
        h2 i {
            color: #c9772e;
            margin-right: 10px;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #2a5a3e;
            margin: 32px 0 12px;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #4a3f32;
            margin: 24px 0 10px;
        }
        p {
            margin-bottom: 16px;
            color: #3d352c;
        }
        .content-img {
            margin: 30px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .content-img img {
            width: 100%;
            height: auto;
            display: block;
        }
        .content-img figcaption {
            background: #ece7de;
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #5a4f42;
            font-style: italic;
        }
        .feature-box {
            background: #f0ebe2;
            border-radius: 16px;
            padding: 28px 32px;
            margin: 28px 0;
            border-left: 6px solid #c9772e;
        }
        .feature-box h4 {
            margin-top: 0;
            color: #1e3c2c;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
            margin: 28px 0;
        }
        .stat-card {
            background: #fff;
            border-radius: 14px;
            padding: 22px 18px;
            text-align: center;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #e6ddd2;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
        }
        .stat-card .num {
            font-size: 2.5rem;
            font-weight: 800;
            color: #1e3c2c;
            line-height: 1.2;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: #7a6a58;
            font-weight: 500;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.95rem;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        th {
            background: #1e3c2c;
            color: #fff;
            font-weight: 600;
            padding: 14px 18px;
            text-align: left;
        }
        td {
            padding: 12px 18px;
            border-bottom: 1px solid #eae3d8;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f8f4ee;
        }
        blockquote {
            background: #e8f0ec;
            border-left: 5px solid #2a5a3e;
            padding: 20px 28px;
            margin: 28px 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #3d352c;
        }
        blockquote cite {
            display: block;
            margin-top: 10px;
            font-style: normal;
            font-weight: 600;
            color: #1e3c2c;
        }
        .tip-list {
            list-style: none;
            padding: 0;
        }
        .tip-list li {
            padding: 10px 0 10px 32px;
            position: relative;
            border-bottom: 1px solid #ece7de;
        }
        .tip-list li::before {
            content: "◆";
            position: absolute;
            left: 4px;
            color: #c9772e;
            font-size: 1.1rem;
        }
        .btn {
            display: inline-block;
            background: #1e3c2c;
            color: #fff;
            padding: 12px 32px;
            border-radius: 40px;
            text-decoration: none;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.25s;
            font-size: 1rem;
        }
        .btn:hover {
            background: #2a5a3e;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(30, 60, 44, 0.25);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #1e3c2c;
            color: #1e3c2c;
        }
        .btn-outline:hover {
            background: #1e3c2c;
            color: #fff;
        }
        .search-section {
            background: #fff;
            border-radius: 18px;
            padding: 32px;
            margin: 40px 0;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
            border: 1px solid #e6ddd2;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #ddd5ca;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: 0.2s;
            background: #faf8f5;
        }
        .search-form input:focus {
            border-color: #2a5a3e;
            background: #fff;
        }
        .search-form button {
            padding: 14px 32px;
            border-radius: 40px;
            background: #1e3c2c;
            color: #fff;
            border: none;
            font-weight: 600;
            cursor: pointer;
            transition: 0.25s;
            font-size: 1rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #2a5a3e;
            transform: translateY(-2px);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 40px 0;
        }
        .feedback-card {
            background: #fff;
            border-radius: 18px;
            padding: 28px 30px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
            border: 1px solid #e6ddd2;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 12px 16px;
            border: 2px solid #ddd5ca;
            border-radius: 10px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.2s;
            background: #faf8f5;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #2a5a3e;
            background: #fff;
        }
        .feedback-card textarea {
            resize: vertical;
            min-height: 100px;
        }
        .feedback-card .star-group {
            display: flex;
            gap: 4px;
            font-size: 1.6rem;
            color: #d4c9bc;
            cursor: pointer;
        }
        .feedback-card .star-group .star {
            transition: color 0.15s;
        }
        .feedback-card .star-group .star.active,
        .feedback-card .star-group .star:hover {
            color: #f5b342;
        }
        .feedback-card .btn {
            align-self: flex-start;
        }
        .friend-link {
            display: block;
            background: #1e3c2c;
            color: #e0eae4;
            padding: 40px 0 30px;
            margin-top: 50px;
            border-top: 6px solid #c9772e;
        }
        .friend-link .container {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 40px;
            justify-content: center;
        }
        .friend-link a {
            color: #e0eae4;
            text-decoration: none;
            font-size: 0.95rem;
            padding: 4px 8px;
            border-radius: 6px;
            transition: 0.2s;
        }
        .friend-link a:hover {
            color: #f5d742;
            background: rgba(255, 255, 255, 0.05);
        }
        .friend-link .fl-label {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: #aac0b4;
            width: 100%;
            text-align: center;
            font-weight: 600;
        }
        footer {
            background: #141f18;
            color: #bccfc4;
            padding: 30px 0;
            text-align: center;
            font-size: 0.9rem;
        }
        footer p {
            color: #bccfc4;
            margin-bottom: 6px;
        }
        footer a {
            color: #f5d742;
            text-decoration: none;
        }
        footer a:hover {
            text-decoration: underline;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding-top: 16px;
                gap: 6px;
            }
            nav.show {
                display: flex;
            }
            nav a {
                width: 100%;
                text-align: center;
                padding: 12px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .feature-box {
                padding: 20px;
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 0 14px;
            }
            h1 {
                font-size: 1.7rem;
            }
            .feedback-card {
                padding: 20px;
            }
            .search-section {
                padding: 20px;
            }
        }
        .text-center {
            text-align: center;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-0 {
            margin-top: 0;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #8a7a6a;
            background: #f0ebe2;
            display: inline-block;
            padding: 4px 16px;
            border-radius: 30px;
            margin-bottom: 20px;
        }
        .toc {
            background: #f0ebe2;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 24px 0 32px;
        }
        .toc h3 {
            margin-top: 0;
        }
        .toc ol {
            padding-left: 20px;
            columns: 2;
            column-gap: 30px;
        }
        .toc ol li {
            margin-bottom: 6px;
            break-inside: avoid;
        }
        .toc a {
            color: #2a5a3e;
            text-decoration: none;
        }
        .toc a:hover {
            text-decoration: underline;
        }
        @media (max-width: 600px) {
            .toc ol {
                columns: 1;
            }
        }
        html {
            scroll-behavior: smooth;
        }