*,
        *::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: #f8f6f2;
            color: #1e2a2f;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #0f6b7a;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #b45309;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.3;
            color: #1a2e35;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.4rem;
            border-left: 6px solid #d97706;
            padding-left: 1.2rem;
            margin-top: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 2px solid #e5e0d6;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #2d4a54;
        }
        h4 {
            font-size: 1.15rem;
            color: #3d5a66;
        }
        p {
            margin-bottom: 1.2rem;
        }
        ul,
        ol {
            margin-left: 1.8rem;
            margin-bottom: 1.4rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        strong {
            color: #1a3a42;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            border-radius: 20px;
            padding: 1.2rem 1.8rem 2.5rem;
        }
        header {
            padding: 1rem 0 0.6rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid #e5e0d6;
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #0f6b7a, #d97706);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
        }
        .my-logo small {
            font-size: 0.9rem;
            font-weight: 400;
            -webkit-text-fill-color: #5c6b72;
            color: #5c6b72;
            letter-spacing: 0;
        }
        .my-logo a {
            text-decoration: none;
            background: none;
            -webkit-text-fill-color: transparent;
        }
        .my-logo a:hover {
            opacity: 0.85;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #1e2a2f;
            border-radius: 8px;
            font-size: 1.6rem;
            padding: 0.2rem 0.7rem;
            cursor: pointer;
            color: #1e2a2f;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #e5e0d6;
        }
        nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.2rem 1.2rem;
            align-items: center;
        }
        nav a {
            font-weight: 500;
            padding: 0.3rem 0.2rem;
            border-bottom: 2px solid transparent;
            font-size: 0.95rem;
        }
        nav a:hover {
            border-bottom-color: #d97706;
            text-decoration: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.2rem;
            margin: 0;
            font-size: 0.9rem;
            color: #5c6b72;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 0.6rem;
            color: #b45309;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #0f6b7a;
        }
        .breadcrumb .active {
            color: #1e2a2f;
            font-weight: 500;
        }
        .hero-search {
            background: linear-gradient(135deg, #f0ebe2, #fcf9f5);
            border-radius: 18px;
            padding: 1.8rem 2rem;
            margin: 1.5rem 0 2rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1.2rem;
        }
        .hero-search .hero-text {
            flex: 2 1 260px;
        }
        .hero-search .hero-text h2 {
            border: none;
            margin-top: 0;
            font-size: 1.5rem;
        }
        .search-form {
            flex: 1 1 240px;
            display: flex;
            gap: 0.4rem;
            background: #fff;
            border-radius: 40px;
            padding: 0.2rem 0.2rem 0.2rem 1rem;
            border: 1px solid #d9d2c8;
        }
        .search-form input {
            flex: 1;
            border: none;
            padding: 0.6rem 0;
            font-size: 1rem;
            background: transparent;
            outline: none;
            min-width: 80px;
        }
        .search-form button {
            background: #d97706;
            border: none;
            border-radius: 40px;
            padding: 0.5rem 1.2rem;
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .search-form button:hover {
            background: #b45309;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 2.2rem;
            margin: 1.8rem 0;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            border-left: 1px solid #e5e0d6;
            padding-left: 1.8rem;
        }
        .sidebar section {
            background: #f8f6f2;
            border-radius: 16px;
            padding: 1.2rem 1.4rem;
            margin-bottom: 1.6rem;
        }
        .sidebar h3 {
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 1px solid #d9d2c8;
            padding-bottom: 0.4rem;
        }
        .sidebar ul {
            list-style: none;
            margin-left: 0;
        }
        .sidebar li {
            padding: 0.3rem 0;
            border-bottom: 1px dashed #e5e0d6;
        }
        .sidebar li:last-child {
            border-bottom: none;
        }
        .featured-img {
            margin: 1.8rem 0;
            border-radius: 16px;
            overflow: hidden;
            background: #e5e0d6;
        }
        .featured-img img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }
        .featured-img figcaption {
            padding: 0.6rem 1rem;
            font-size: 0.9rem;
            color: #4a5a62;
            background: #f0ebe2;
            font-style: italic;
        }
        .user-feedback {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0 1.5rem;
            padding: 1.8rem;
            background: #f8f6f2;
            border-radius: 18px;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.6rem 0.9rem;
            border: 1px solid #d9d2c8;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            width: 100%;
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card .btn {
            background: #0f6b7a;
            color: #fff;
            border: none;
            padding: 0.6rem 1.4rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
        }
        .feedback-card .btn:hover {
            background: #094c58;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #d9d2c8;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #d97706;
        }
        friend-link {
            display: block;
            padding: 1.2rem 0 0.6rem;
            border-top: 1px solid #e5e0d6;
            margin-top: 2rem;
            font-size: 0.95rem;
        }
        friend-link b {
            display: inline-block;
            margin-right: 0.8rem;
            color: #1e2a2f;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.6rem 0.2rem 0;
        }
        footer {
            border-top: 1px solid #e5e0d6;
            padding-top: 1.2rem;
            margin-top: 1.2rem;
            text-align: center;
            font-size: 0.9rem;
            color: #5c6b72;
        }
        footer .copyright {
            font-weight: 500;
            color: #1e2a2f;
        }
        @media (max-width: 820px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                border-left: none;
                padding-left: 0;
                margin-top: 1rem;
            }
            .user-feedback {
                grid-template-columns: 1fr;
            }
            .hero-search {
                flex-direction: column;
                align-items: stretch;
                padding: 1.2rem;
            }
            .container {
                padding: 0.8rem 1rem 1.8rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 0.8rem 0 0.4rem;
                gap: 0.3rem;
            }
            nav.show {
                display: flex;
            }
            nav a {
                padding: 0.4rem 0;
                border-bottom: none;
                width: 100%;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.4rem;
            }
            .container {
                padding: 0.4rem 0.6rem 1.2rem;
                border-radius: 12px;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .search-form {
                flex-wrap: wrap;
                border-radius: 20px;
                padding: 0.3rem;
            }
            .search-form input {
                min-width: 60px;
                padding: 0.4rem 0.5rem;
            }
            .search-form button {
                padding: 0.4rem 0.9rem;
                font-size: 0.85rem;
            }
            .star-rating label {
                font-size: 1.4rem;
            }
        }
        .update-badge {
            display: inline-block;
            background: #e5e0d6;
            padding: 0.2rem 1rem;
            border-radius: 40px;
            font-size: 0.8rem;
            color: #3d5a66;
            font-weight: 500;
        }
        .strategy-box {
            background: #f0ebe2;
            border-left: 4px solid #d97706;
            padding: 1rem 1.4rem;
            border-radius: 0 12px 12px 0;
            margin: 1.2rem 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.5rem 0.8rem;
            border: 1px solid #d9d2c8;
            text-align: left;
        }
        th {
            background: #e5e0d6;
            font-weight: 600;
        }
        .interview-box {
            background: #fcf9f5;
            border-radius: 16px;
            padding: 1.4rem 1.8rem;
            margin: 1.4rem 0;
            border: 1px solid #e5e0d6;
        }
        .interview-box .author {
            font-weight: 600;
            color: #0f6b7a;
        }
        .data-highlight {
            display: inline-block;
            background: #1e2a2f;
            color: #f8f6f2;
            padding: 0.1rem 0.6rem;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.9rem;
        }