*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #f4f1ea;
            color: #1e1a1a;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #b8860b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus {
            color: #8b6508;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #1a2a3a;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 1rem;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem;
            border-left: 6px solid #b22222;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.35rem;
            margin: 1.8rem 0 0.8rem;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.2rem 0 0.5rem;
            color: #3d5166;
        }
        p {
            margin-bottom: 1.2rem;
        }
        ul,
        ol {
            margin-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        strong {
            color: #a52a2a;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #fffcf7;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
            border-radius: 20px;
            padding: 1.5rem 2rem 2rem;
        }
        .section-spacer {
            height: 1px;
            background: linear-gradient(to right, transparent, #d4c5a9, transparent);
            margin: 2.5rem 0;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0 0.8rem;
            border-bottom: 2px solid #e8ddd0;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #b22222, #d4a017);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: #b22222;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        nav a {
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 500;
            color: #1e1a1a;
            transition: background 0.2s, color 0.2s;
            font-size: 0.9rem;
        }
        nav a:hover {
            background: #b22222;
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1a2a3a;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #e8ddd0;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.2rem;
            font-size: 0.85rem;
            color: #6b5e50;
            gap: 0.3rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.4rem;
            color: #b8860b;
        }
        .breadcrumb a {
            color: #6b5e50;
        }
        .breadcrumb a:hover {
            color: #b22222;
        }
        .breadcrumb .active {
            color: #1a2a3a;
            font-weight: 600;
        }
        .search-wrap {
            background: #f0ebe3;
            border-radius: 50px;
            padding: 0.3rem 0.3rem 0.3rem 1.2rem;
            display: flex;
            align-items: center;
            max-width: 480px;
            margin: 1.2rem 0 0.8rem;
            border: 1px solid #d4c5a9;
            transition: box-shadow 0.2s;
        }
        .search-wrap:focus-within {
            box-shadow: 0 0 0 3px rgba(178, 34, 34, 0.15);
            border-color: #b22222;
        }
        .search-wrap i {
            color: #8b7355;
            font-size: 1rem;
        }
        .search-wrap input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0.7rem 0.8rem;
            font-size: 0.95rem;
            outline: none;
            font-family: inherit;
        }
        .search-wrap button {
            background: #b22222;
            color: #fff;
            border: none;
            padding: 0.6rem 1.6rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-wrap button:hover {
            background: #8b1a1a;
            transform: scale(0.97);
        }
        .hero-img {
            margin: 1.5rem 0 1.8rem;
            border-radius: 16px;
            overflow: hidden;
            background: #d4c5a9;
            position: relative;
        }
        .hero-img img {
            width: 100%;
            height: auto;
            max-height: 420px;
            object-fit: cover;
            display: block;
        }
        .hero-img figcaption {
            padding: 0.6rem 1rem;
            background: rgba(26, 42, 58, 0.85);
            color: #f4f1ea;
            font-size: 0.85rem;
            text-align: center;
            font-style: italic;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2rem 0 1rem;
        }
        .feedback-card {
            background: #f9f6f0;
            border-radius: 16px;
            padding: 1.5rem 1.8rem 1.8rem;
            border: 1px solid #e8ddd0;
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            color: #1a2a3a;
            font-size: 1.3rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border: 1px solid #d4c5a9;
            border-radius: 10px;
            font-family: inherit;
            font-size: 0.95rem;
            background: #fffdfa;
            transition: border 0.2s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #b22222;
            outline: none;
            box-shadow: 0 0 0 2px rgba(178, 34, 34, 0.1);
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card .star-select {
            display: flex;
            gap: 0.4rem;
            flex-direction: row-reverse;
            justify-content: flex-end;
        }
        .feedback-card .star-select input {
            display: none;
        }
        .feedback-card .star-select label {
            font-size: 1.6rem;
            color: #d4c5a9;
            cursor: pointer;
            transition: color 0.15s;
        }
        .feedback-card .star-select input:checked~label,
        .feedback-card .star-select label:hover,
        .feedback-card .star-select label:hover~label {
            color: #f5b342;
        }
        .feedback-card .btn-submit {
            background: #b22222;
            color: #fff;
            border: none;
            padding: 0.7rem 1.4rem;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
            font-size: 0.95rem;
        }
        .feedback-card .btn-submit:hover {
            background: #8b1a1a;
        }
        footer {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid #e8ddd0;
            font-size: 0.9rem;
            color: #4a3f35;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-grid h4 {
            margin-top: 0;
            font-size: 1.1rem;
            color: #1a2a3a;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 0.4rem;
        }
        .footer-links a {
            color: #4a3f35;
        }
        .footer-links a:hover {
            color: #b22222;
        }
        .copyright {
            text-align: center;
            padding: 1.5rem 0 0.5rem;
            margin-top: 1.5rem;
            border-top: 1px solid #e8ddd0;
            font-size: 0.85rem;
            color: #6b5e50;
        }
        .copyright strong {
            color: #1a2a3a;
        }
        friend-link {
            display: block;
            margin: 1rem 0 0.5rem;
            font-weight: 500;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.6rem 0.2rem 0;
        }
        @media (max-width: 820px) {
            .container {
                padding: 1rem 1.2rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hamburger {
                display: block;
            }
            nav {
                flex-basis: 100%;
                flex-direction: column;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.35s ease, padding 0.3s ease;
                padding: 0;
                background: #f9f6f0;
                border-radius: 16px;
                margin-top: 0.5rem;
            }
            #nav-toggle:checked~nav {
                max-height: 600px;
                padding: 0.8rem 0.4rem;
            }
            nav a {
                width: 100%;
                text-align: center;
                padding: 0.7rem;
                border-radius: 10px;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.4rem;
            }
            .container {
                padding: 0.8rem 0.8rem;
                border-radius: 12px;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.2rem;
                padding-left: 0.6rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .search-wrap {
                flex-wrap: wrap;
                border-radius: 20px;
                padding: 0.3rem;
            }
            .search-wrap input {
                min-width: 100px;
                padding: 0.5rem 0.6rem;
            }
            .search-wrap button {
                padding: 0.5rem 1.2rem;
                font-size: 0.8rem;
            }
            .feedback-card {
                padding: 1rem 1.2rem;
            }
            .hero-img img {
                max-height: 220px;
            }
        }
        .tag {
            display: inline-block;
            background: #e8ddd0;
            color: #3d5166;
            padding: 0.2rem 0.9rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-right: 0.4rem;
            margin-bottom: 0.4rem;
        }
        .last-updated {
            display: block;
            text-align: right;
            font-size: 0.85rem;
            color: #8b7355;
            margin-top: 0.2rem;
            font-style: italic;
        }
        .stat-highlight {
            background: #1a2a3a;
            color: #f5e6d3;
            padding: 1.2rem 1.8rem;
            border-radius: 16px;
            margin: 1.2rem 0;
            display: inline-block;
        }
        .stat-highlight span {
            font-size: 2rem;
            font-weight: 800;
            color: #f5b342;
            display: block;
        }
        blockquote {
            border-left: 4px solid #b8860b;
            padding: 0.8rem 1.4rem;
            margin: 1.2rem 0;
            background: #f9f6f0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #2c3e50;
        }
        blockquote cite {
            display: block;
            margin-top: 0.4rem;
            font-size: 0.85rem;
            font-style: normal;
            color: #6b5e50;
        }
        .pro-tip {
            background: #fef9e7;
            border: 1px solid #f5b342;
            border-radius: 14px;
            padding: 1rem 1.4rem;
            margin: 1.2rem 0;
            display: flex;
            gap: 0.8rem;
            align-items: flex-start;
        }
        .pro-tip i {
            color: #f5b342;
            font-size: 1.4rem;
            margin-top: 0.2rem;
        }