*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            background: #f8f6f0;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #c44536;
            text-decoration: none;
            transition: color 0.2s ease, background 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #8e2a1a;
            text-decoration: underline;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            color: #1e2a3a;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            border-left: 6px solid #c44536;
            padding-left: 1rem;
            margin-top: 0.4rem;
        }
        h2 {
            font-size: 1.9rem;
            border-bottom: 3px solid #e8dccc;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.4rem 1.8rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: #ffffff;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 0.6rem 0;
            border-bottom: 2px solid #e8dccc;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: -1px;
            color: #1e2a3a;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background: linear-gradient(145deg, #c44536, #8e2a1a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.88;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #5a6a7a;
            letter-spacing: 0;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #c44536;
            border-radius: 6px;
            padding: 0.4rem 0.8rem;
            font-size: 1.6rem;
            color: #c44536;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #c4453611;
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.2rem 0.6rem;
        }
        .main-nav a {
            padding: 0.4rem 0.9rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.95rem;
            color: #1e2a3a;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover {
            background: #c4453611;
            color: #c44536;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #c44536;
            color: #fff;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.6rem 0 0.2rem;
            margin: 0;
            font-size: 0.88rem;
            color: #5a6a7a;
        }
        .breadcrumb li {
            margin: 0 0.2rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #c44536;
            margin-right: 0.4rem;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #5a6a7a;
        }
        .breadcrumb a:hover {
            color: #c44536;
        }
        .hero-image-wrap {
            margin: 1.8rem 0 2.2rem;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            background: #e8dccc;
        }
        .hero-image-wrap img {
            width: 100%;
            min-height: 200px;
            object-fit: cover;
        }
        .search-section {
            background: #ffffff;
            border-radius: 16px;
            padding: 1.6rem 2rem;
            margin: 2rem 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8dccc;
        }
        .search-section form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            align-items: center;
        }
        .search-section input[type="text"] {
            flex: 1 1 220px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #e8dccc;
            border-radius: 40px;
            font-size: 1rem;
            background: #f8f6f0;
            transition: border 0.2s;
        }
        .search-section input[type="text"]:focus {
            border-color: #c44536;
            outline: none;
            background: #fff;
        }
        .search-section button {
            padding: 0.8rem 2rem;
            border: none;
            border-radius: 40px;
            background: #c44536;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-section button:hover {
            background: #8e2a1a;
            transform: scale(1.02);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.6rem;
            margin: 2.4rem 0;
        }
        @media (max-width: 700px) {
            .interaction-grid {
                grid-template-columns: 1fr;
            }
        }
        .card {
            background: #ffffff;
            border-radius: 16px;
            padding: 1.6rem 1.8rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8dccc;
        }
        .card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .card textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #e8dccc;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #f8f6f0;
            resize: vertical;
            min-height: 90px;
            transition: border 0.2s;
        }
        .card textarea:focus {
            border-color: #c44536;
            outline: none;
            background: #fff;
        }
        .card input[type="text"],
        .card input[type="number"],
        .card input[type="email"] {
            padding: 0.7rem 1rem;
            border: 2px solid #e8dccc;
            border-radius: 30px;
            font-size: 0.95rem;
            background: #f8f6f0;
            transition: border 0.2s;
            width: 100%;
        }
        .card input:focus {
            border-color: #c44536;
            outline: none;
            background: #fff;
        }
        .card .btn-submit {
            padding: 0.7rem 1.8rem;
            border: none;
            border-radius: 30px;
            background: #c44536;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            align-self: flex-start;
        }
        .card .btn-submit:hover {
            background: #8e2a1a;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 0.4rem;
            font-size: 1.8rem;
            color: #e8dccc;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color 0.15s;
            color: #ddd;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #e8a838;
        }
        .content-area {
            background: #ffffff;
            border-radius: 20px;
            padding: 2rem 2.4rem;
            margin: 1.8rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8dccc;
        }
        @media (max-width: 600px) {
            .content-area {
                padding: 1.2rem 1rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
        }
        .content-area .last-updated {
            font-size: 0.9rem;
            color: #5a6a7a;
            border-bottom: 1px dashed #e8dccc;
            padding-bottom: 0.8rem;
            margin-bottom: 1.6rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 1rem;
            list-style: none;
            margin: 1.4rem 0;
            padding: 0.8rem 1.2rem;
            background: #f8f6f0;
            border-radius: 12px;
            border-left: 4px solid #c44536;
        }
        .link-list-inline li {
            margin: 0;
        }
        .link-list-inline a {
            font-weight: 500;
        }
        .toc {
            background: #f8f6f0;
            border-radius: 14px;
            padding: 1.4rem 1.8rem;
            margin: 1.6rem 0 2rem;
            border: 1px solid #e8dccc;
        }
        .toc strong {
            display: block;
            font-size: 1.1rem;
            margin-bottom: 0.6rem;
        }
        .toc ol {
            margin: 0 0 0 1.2rem;
            columns: 2 240px;
        }
        .toc li {
            margin-bottom: 0.2rem;
        }
        .toc a {
            color: #1e2a3a;
        }
        .toc a:hover {
            color: #c44536;
        }
        .site-footer {
            background: #1e2a3a;
            color: #dce3eb;
            padding: 2.4rem 0 1.8rem;
            margin-top: 3rem;
            border-top: 4px solid #c44536;
        }
        .site-footer a {
            color: #e8dccc;
        }
        .site-footer a:hover {
            color: #f5ede4;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        @media (max-width: 700px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.4rem;
            }
        }
        .footer-inner h4 {
            color: #f5ede4;
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 2px solid #c4453644;
            padding-bottom: 0.4rem;
        }
        .friend-link {
            display: block;
            padding: 0.3rem 0;
        }
        .friend-link a {
            display: inline-block;
            padding: 0.2rem 0;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 1.6rem;
            border-top: 1px solid #2a3a4a;
            margin-top: 1rem;
            font-size: 0.88rem;
            color: #9aabba;
        }
        @media (max-width: 760px) {
            .nav-toggle {
                display: inline-block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 0 0.4rem;
                gap: 0.3rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 0.6rem 1rem;
                border-radius: 8px;
            }
        }
        @media (min-width: 761px) {
            .main-nav {
                display: flex !important;
            }
        }
        .highlight-box {
            background: #f0ebe3;
            border-radius: 14px;
            padding: 1.2rem 1.6rem;
            margin: 1.4rem 0;
            border-left: 5px solid #c44536;
        }
        .emoji-big {
            font-size: 1.4em;
        }
        .tag {
            display: inline-block;
            background: #c4453611;
            color: #c44536;
            padding: 0.1rem 0.8rem;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 600;
        }
        .flex-between {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.8rem;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-0 {
            margin-top: 0;
        }
        .schema-hidden {
            display: none;
        }
        .btn-submit:active,
        .search-section button:active {
            transform: scale(0.97);
        }