* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: #f7f4f0;
            color: #2d2a24;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #e8592b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #b8431f;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e1b17 0%, #2d2822 100%);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f9b42a, #f57c1a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(245, 124, 26, 0.3);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: #f9b42a;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.92;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 24px;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-list a {
            color: #f0eae0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .nav-list a:hover {
            border-bottom-color: #f9b42a;
            color: #f9b42a;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f0eae0;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
        }
        .nav-mobile-open .nav-list {
            display: flex;
            flex-direction: column;
            width: 100%;
            padding: 16px 0 8px;
            gap: 12px;
        }
        .breadcrumb {
            background: #ece7e0;
            padding: 10px 0;
            font-size: 0.88rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: #b0a89a;
        }
        .breadcrumb a {
            color: #7a6e5e;
        }
        .breadcrumb .active {
            color: #2d2a24;
            font-weight: 600;
        }
        main {
            padding: 40px 0 60px;
        }
        .post-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 28px;
            font-size: 0.92rem;
            color: #6b6153;
            margin: 10px 0 24px;
            border-bottom: 1px solid #e0d8ce;
            padding-bottom: 16px;
        }
        .post-meta i {
            margin-right: 6px;
            color: #e8592b;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: #1e1b17;
            margin-bottom: 8px;
        }
        h1 i {
            color: #f9b42a;
            margin-right: 10px;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 48px 0 18px;
            color: #1e1b17;
            border-left: 5px solid #f9b42a;
            padding-left: 18px;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 32px 0 14px;
            color: #2d2822;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 24px 0 10px;
            color: #3d352c;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.02rem;
        }
        .featured-img {
            margin: 28px 0 32px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            background: #e8e0d6;
        }
        .featured-img img {
            width: 100%;
            object-fit: cover;
        }
        .featured-img figcaption {
            padding: 12px 20px;
            background: #f5f0ea;
            font-size: 0.92rem;
            color: #5b5143;
            font-style: italic;
        }
        .highlight-box {
            background: #fdf6ed;
            border-left: 6px solid #f9b42a;
            padding: 20px 28px;
            border-radius: 0 12px 12px 0;
            margin: 28px 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .highlight-box strong {
            color: #b8431f;
        }
        .tip-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 24px 28px;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.06);
            margin: 24px 0;
            border: 1px solid #ece5db;
        }
        .tip-card h4 {
            margin-top: 0;
            color: #e8592b;
        }
        .code-block {
            background: #1e1b17;
            color: #f0eae0;
            padding: 14px 20px;
            border-radius: 10px;
            font-family: 'Courier New', monospace;
            overflow-x: auto;
            margin: 18px 0;
            font-size: 0.92rem;
        }
        ul,
        ol {
            margin: 14px 0 20px 24px;
        }
        li {
            margin-bottom: 8px;
        }
        .search-section {
            background: #fffcf7;
            border-radius: 16px;
            padding: 32px 28px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            margin: 48px 0;
            border: 1px solid #ece5db;
        }
        .search-section h2 {
            margin-top: 0;
            border-left-color: #e8592b;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            max-width: 600px;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #ddd4c8;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: 0.2s;
            background: #fff;
        }
        .search-form input:focus {
            border-color: #f9b42a;
            box-shadow: 0 0 0 4px rgba(249, 180, 42, 0.15);
        }
        .search-form button {
            padding: 14px 32px;
            background: #e8592b;
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
        }
        .search-form button:hover {
            background: #d04d22;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 48px 0;
        }
        @media (max-width: 700px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #fffcf7;
            border-radius: 16px;
            padding: 28px 28px 32px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            border: 1px solid #ece5db;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card h3 i {
            color: #f9b42a;
        }
        .feedback-form input,
        .feedback-form textarea,
        .feedback-form select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #ddd4c8;
            border-radius: 10px;
            font-size: 0.98rem;
            outline: none;
            transition: 0.2s;
            background: #fff;
            margin-bottom: 14px;
            font-family: inherit;
        }
        .feedback-form input:focus,
        .feedback-form textarea:focus,
        .feedback-form select:focus {
            border-color: #f9b42a;
            box-shadow: 0 0 0 4px rgba(249, 180, 42, 0.12);
        }
        .feedback-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-form button {
            padding: 12px 32px;
            background: #2d2822;
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
        }
        .feedback-form button:hover {
            background: #1e1b17;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            margin-bottom: 14px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ddd4c8;
            cursor: pointer;
            transition: 0.15s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f9b42a;
        }
        footer {
            background: #1e1b17;
            color: #cbc2b4;
            padding: 44px 0 28px;
        }
        footer a {
            color: #f0eae0;
        }
        footer a:hover {
            color: #f9b42a;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 28px;
        }
        @media (max-width: 700px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-grid h4 {
            color: #f9b42a;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-grid ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-grid li {
            margin-bottom: 8px;
        }
        friend-link {
            display: block;
            background: #2d2822;
            padding: 20px 24px;
            border-radius: 12px;
            margin: 12px 0 24px;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 16px 4px 0;
            padding: 4px 0;
        }
        .copyright {
            border-top: 1px solid #3d352c;
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: #9a8f7e;
        }
        .copyright strong {
            color: #f0eae0;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                width: 100%;
            }
            .nav-list a {
                font-size: 1.05rem;
                padding: 10px 0;
            }
            .header-inner.nav-mobile-open .nav-list {
                display: flex;
                flex-direction: column;
                padding: 16px 0 8px;
                gap: 6px;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .container {
                padding: 0 16px;
            }
            .search-form input {
                min-width: 140px;
            }
        }
        @media (max-width: 480px) {
            .post-meta {
                flex-direction: column;
                gap: 4px;
            }
            .feedback-form button,
            .search-form button {
                width: 100%;
            }
            .search-form {
                flex-direction: column;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        .section-divider {
            height: 2px;
            background: linear-gradient(90deg, transparent, #f9b42a, transparent);
            margin: 48px 0;
            opacity: 0.3;
        }