*,
        *::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: #fef9f4;
            color: #2d1b3d;
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: #b34b8c;
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover,
        a:focus-visible {
            color: #7a2d5e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.4rem;
            margin-bottom: 1rem;
        }
        li {
            margin-bottom: 0.3rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
            color: #2d1b3d;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4rem;
            background: linear-gradient(135deg, #b34b8c, #f7a54a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #f7a54a;
            padding-left: 14px;
            margin-top: 2.4rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #7a2d5e;
        }
        h4 {
            font-size: 1.1rem;
            color: #b34b8c;
        }
        p {
            margin-bottom: 1rem;
            font-size: 1rem;
        }
        strong {
            color: #7a2d5e;
            font-weight: 700;
        }
        hr {
            border: none;
            border-top: 2px dashed #f0d5e6;
            margin: 2.2rem 0;
        }
        blockquote {
            background: #fdf0f7;
            border-left: 4px solid #b34b8c;
            padding: 0.8rem 1.2rem;
            border-radius: 8px;
            margin: 1.2rem 0;
            font-style: italic;
            color: #3d224a;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 12px;
        }
        .site-header {
            background: linear-gradient(135deg, #fce4ec 0%, #fdf0f7 100%);
            border-radius: 0 0 28px 28px;
            padding: 16px 0 12px;
            box-shadow: 0 4px 20px rgba(179, 75, 140, 0.08);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(6px);
            background-color: rgba(252, 228, 236, 0.92);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #b34b8c, #f7a54a, #e84c6b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 12px rgba(179, 75, 140, 0.15);
            white-space: nowrap;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo i {
            -webkit-text-fill-color: #f7a54a;
            margin-right: 6px;
            font-size: 1.6rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #b34b8c;
            color: #b34b8c;
            font-size: 1.6rem;
            padding: 4px 12px;
            border-radius: 40px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: #b34b8c;
            color: #fff;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 18px;
            align-items: center;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-menu li a {
            font-weight: 600;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
            color: #4a2a5a;
        }
        .nav-menu li a:hover {
            border-bottom-color: #b34b8c;
            color: #b34b8c;
            text-decoration: none;
        }
        .nav-menu li a i {
            margin-right: 4px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 10px;
            font-size: 0.85rem;
            padding: 10px 0 4px;
            color: #6a4a7a;
            list-style: none;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 8px;
            color: #b34b8c;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #7a2d5e;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #b34b8c;
            font-weight: 600;
        }
        .search-wrap {
            background: #fff;
            border-radius: 60px;
            box-shadow: 0 2px 16px rgba(179, 75, 140, 0.08);
            padding: 2px 2px 2px 18px;
            display: flex;
            align-items: center;
            max-width: 440px;
            margin: 20px 0 10px;
            border: 1px solid #f0d5e6;
            transition: 0.3s;
        }
        .search-wrap:focus-within {
            border-color: #b34b8c;
            box-shadow: 0 2px 24px rgba(179, 75, 140, 0.15);
        }
        .search-wrap input {
            flex: 1;
            border: none;
            padding: 12px 6px 12px 0;
            font-size: 0.95rem;
            background: transparent;
            outline: none;
            color: #2d1b3d;
            min-width: 0;
        }
        .search-wrap input::placeholder {
            color: #a88ab0;
        }
        .search-wrap button {
            background: linear-gradient(135deg, #b34b8c, #e84c6b);
            border: none;
            color: #fff;
            padding: 10px 22px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: 0.25s;
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .search-wrap button:hover {
            transform: scale(1.02);
            box-shadow: 0 4px 16px rgba(179, 75, 140, 0.3);
        }
        .feature-img {
            margin: 24px 0 18px;
            border-radius: 18px;
            box-shadow: 0 8px 32px rgba(179, 75, 140, 0.12);
        }
        .last-updated {
            font-size: 0.85rem;
            color: #6a4a7a;
            background: #fdf0f7;
            display: inline-block;
            padding: 4px 18px;
            border-radius: 40px;
            border: 1px solid #f0d5e6;
            margin-bottom: 8px;
        }
        .last-updated i {
            margin-right: 6px;
            color: #b34b8c;
        }
        .user-feedback {
            display: flex;
            flex-wrap: wrap;
            gap: 24px 40px;
            margin: 36px 0 20px;
            padding: 24px 20px;
            background: #fffbfd;
            border-radius: 24px;
            box-shadow: 0 4px 24px rgba(179, 75, 140, 0.06);
            border: 1px solid #f5e4ee;
        }
        .feedback-block {
            flex: 1 1 240px;
        }
        .feedback-block h4 {
            margin-top: 0;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-block h4 i {
            color: #f7a54a;
        }
        .feedback-block form {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 6px;
        }
        .feedback-block input,
        .feedback-block textarea,
        .feedback-block select {
            padding: 10px 14px;
            border: 1px solid #e6d0de;
            border-radius: 40px;
            font-size: 0.9rem;
            background: #fff;
            transition: 0.2s;
            font-family: inherit;
            outline: none;
        }
        .feedback-block textarea {
            border-radius: 18px;
            resize: vertical;
            min-height: 72px;
        }
        .feedback-block input:focus,
        .feedback-block textarea:focus,
        .feedback-block select:focus {
            border-color: #b34b8c;
            box-shadow: 0 0 0 3px rgba(179, 75, 140, 0.12);
        }
        .feedback-block .btn-submit {
            background: linear-gradient(135deg, #b34b8c, #e84c6b);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.25s;
            font-size: 0.9rem;
            align-self: flex-start;
        }
        .feedback-block .btn-submit:hover {
            transform: scale(1.02);
            box-shadow: 0 4px 16px rgba(179, 75, 140, 0.25);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 6px;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.6rem;
            color: #ddd;
            cursor: pointer;
            transition: 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f7a54a;
        }
        friend-link {
            display: block;
            background: #fdf0f7;
            border-radius: 24px;
            padding: 18px 20px;
            margin: 28px 0 12px;
            border: 1px solid #f0d5e6;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 16px 4px 0;
            font-weight: 500;
        }
        friend-link a i {
            margin-right: 4px;
            font-size: 0.8rem;
        }
        .site-footer {
            border-top: 2px solid #f0d5e6;
            padding: 24px 0 20px;
            margin-top: 28px;
            text-align: center;
            font-size: 0.88rem;
            color: #6a4a7a;
        }
        .site-footer .copyright {
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        .site-footer .copyright i {
            color: #e84c6b;
        }
        .toc {
            background: #fffbfd;
            border: 1px solid #f0d5e6;
            border-radius: 20px;
            padding: 18px 22px;
            margin: 20px 0 28px;
        }
        .toc summary {
            font-weight: 700;
            font-size: 1.15rem;
            cursor: pointer;
            color: #7a2d5e;
        }
        .toc ol {
            margin-top: 10px;
            columns: 1;
            padding-left: 1.2rem;
        }
        .toc ol li {
            margin-bottom: 4px;
        }
        .toc ol li a {
            color: #4a2a5a;
        }
        .toc ol li a:hover {
            color: #b34b8c;
        }
        @media (max-width: 820px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: inline-block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 0 4px;
                gap: 2px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                display: block;
                padding: 8px 0;
                width: 100%;
                border-bottom: 1px solid #f0d5e6;
            }
            .search-wrap {
                max-width: 100%;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .user-feedback {
                flex-direction: column;
                gap: 20px;
            }
            .toc ol {
                columns: 1;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 8px;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo i {
                font-size: 1.2rem;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.2rem;
                padding-left: 10px;
            }
            .feedback-block .btn-submit {
                width: 100%;
                text-align: center;
            }
        }
        .highlight-box {
            background: #fef4e8;
            border-radius: 16px;
            padding: 16px 20px;
            border-left: 4px solid #f7a54a;
            margin: 1.2rem 0;
        }
        .emoji-big {
            font-size: 1.6rem;
            line-height: 1;
        }
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin: 1rem 0;
        }
        @media (max-width: 600px) {
            .two-col {
                grid-template-columns: 1fr;
            }
        }
        .inline-list {
            display: inline;
            padding: 0;
            list-style: none;
        }
        .inline-list li {
            display: inline;
            margin-right: 12px;
        }
        :target {
            scroll-margin-top: 100px;
        }