*,
        *::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, Roboto, 'Helvetica Neue', sans-serif;
            background: #f8f9fc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #1d4ed8;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 16px;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: #0f172a;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            border-bottom: 3px solid #e2e8f0;
            padding-bottom: 0.5rem;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.2rem;
            margin-bottom: 0.4rem;
            color: #334155;
        }
        p {
            margin-bottom: 1.1rem;
        }
        ul,
        ol {
            margin-bottom: 1.2rem;
            padding-left: 1.6rem;
        }
        li {
            margin-bottom: 0.35rem;
        }
        strong {
            color: #0f172a;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: 24px;
            padding: 1.2rem 1.8rem 2.5rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.8rem;
            border-bottom: 2px solid #eef2f6;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f97316, #dc2626);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }
        .my-logo small {
            font-size: 0.9rem;
            font-weight: 400;
            -webkit-text-fill-color: #64748b;
            background: none;
            color: #64748b;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-list {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.2rem;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            display: block;
            padding: 0.5rem 1rem;
            font-size: 0.92rem;
            font-weight: 500;
            border-radius: 40px;
            color: #334155;
            transition: background 0.2s, color 0.2s;
        }
        .nav-list li a:hover {
            background: #f1f5f9;
            color: #0f172a;
            text-decoration: none;
        }
        .nav-list li a.active {
            background: #1e293b;
            color: #fff;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f1f5f9;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 3px;
            background: #1e293b;
            border-radius: 4px;
            transition: 0.3s;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.2rem;
            margin: 0;
            font-size: 0.88rem;
            color: #64748b;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 0.6rem;
            color: #94a3b8;
        }
        .breadcrumb a {
            color: #64748b;
        }
        .breadcrumb a:hover {
            color: #2563eb;
            text-decoration: none;
        }
        .breadcrumb .current {
            color: #0f172a;
            font-weight: 600;
        }
        .last-updated {
            display: inline-block;
            font-size: 0.85rem;
            color: #64748b;
            background: #f1f5f9;
            padding: 0.25rem 1rem;
            border-radius: 40px;
            margin-bottom: 1.2rem;
        }
        .search-box {
            display: flex;
            gap: 0.5rem;
            margin: 1.8rem 0 1.2rem;
            max-width: 600px;
        }
        .search-box input {
            flex: 1;
            padding: 0.7rem 1.2rem;
            border: 2px solid #e2e8f0;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-box input:focus {
            border-color: #2563eb;
        }
        .search-box button {
            padding: 0.7rem 1.6rem;
            background: #2563eb;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-box button:hover {
            background: #1d4ed8;
        }
        .feature-img-wrap {
            margin: 1.5rem 0 2rem;
            border-radius: 18px;
            overflow: hidden;
            background: #f1f5f9;
            position: relative;
        }
        .feature-img-wrap img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }
        .feature-img-wrap .img-caption {
            padding: 0.6rem 1.2rem;
            font-size: 0.9rem;
            color: #475569;
            background: #f8fafc;
            border-top: 1px solid #e2e8f0;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0 1.5rem;
            padding: 1.8rem;
            background: #f8fafc;
            border-radius: 20px;
            border: 1px solid #e2e8f0;
        }
        .feedback-grid form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .feedback-grid label {
            font-weight: 600;
            font-size: 0.95rem;
        }
        .feedback-grid input,
        .feedback-grid textarea,
        .feedback-grid select {
            padding: 0.6rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border 0.2s;
            background: #fff;
        }
        .feedback-grid input:focus,
        .feedback-grid textarea:focus,
        .feedback-grid select:focus {
            border-color: #2563eb;
        }
        .feedback-grid textarea {
            resize: vertical;
            min-height: 80px;
        }
        .feedback-grid .btn-submit {
            padding: 0.65rem 1.6rem;
            background: #0f172a;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .feedback-grid .btn-submit:hover {
            background: #1e293b;
        }
        .star-rating {
            display: flex;
            gap: 0.2rem;
            direction: rtl;
            font-size: 1.6rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #cbd5e1;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
        }
        .inline-link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            padding: 0.6rem 0 0.2rem;
            list-style: none;
        }
        .inline-link-list li a {
            font-size: 0.92rem;
            background: #f1f5f9;
            padding: 0.15rem 0.9rem;
            border-radius: 40px;
            color: #334155;
            transition: background 0.2s;
        }
        .inline-link-list li a:hover {
            background: #e2e8f0;
            text-decoration: none;
        }
        friend-link {
            display: block;
            margin-top: 2.8rem;
            padding-top: 1.8rem;
            border-top: 2px solid #e2e8f0;
            font-size: 0.95rem;
        }
        friend-link .fl-head {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.6rem;
            color: #0f172a;
        }
        friend-link .fl-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 1.2rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        friend-link .fl-list a {
            color: #475569;
        }
        friend-link .fl-list a:hover {
            color: #2563eb;
        }
        .site-footer {
            margin-top: 2.5rem;
            padding-top: 1.2rem;
            border-top: 1px solid #e2e8f0;
            font-size: 0.88rem;
            color: #64748b;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.8rem;
        }
        .site-footer a {
            color: #64748b;
        }
        .site-footer a:hover {
            color: #2563eb;
        }
        @media (max-width: 820px) {
            .container {
                padding: 0.8rem 1rem 2rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.45rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
                padding: 1.2rem;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 0.8rem 0;
                border-radius: 16px;
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                z-index: 100;
                border: 1px solid #e2e8f0;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 0.6rem 1.4rem;
                border-radius: 0;
            }
            .hamburger {
                display: flex;
            }
            .search-box {
                flex-direction: column;
            }
            .search-box button {
                justify-content: center;
            }
            .site-footer {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.4rem;
            }
            .container {
                padding: 0.5rem 0.8rem 1.5rem;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.5rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .star-rating {
                font-size: 1.3rem;
            }
        }
        .emoji-big {
            font-size: 1.4em;
            line-height: 1;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .highlight-box {
            background: #fef9c3;
            border-left: 4px solid #f59e0b;
            padding: 1rem 1.4rem;
            border-radius: 12px;
            margin: 1.2rem 0;
        }
        .highlight-box strong {
            color: #92400e;
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1rem;
            margin: 1.2rem 0;
        }
        .data-card {
            background: #f1f5f9;
            padding: 1rem 1.2rem;
            border-radius: 14px;
            text-align: center;
        }
        .data-card .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #2563eb;
            display: block;
        }
        .data-card .label {
            font-size: 0.85rem;
            color: #475569;
        }
        .interview-block {
            background: #f1f5f9;
            padding: 1.2rem 1.6rem;
            border-radius: 16px;
            margin: 1.2rem 0;
            border: 1px solid #e2e8f0;
        }
        .interview-block .q {
            font-weight: 700;
            color: #0f172a;
        }
        .interview-block .a {
            margin-top: 0.3rem;
            color: #334155;
        }