* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            line-height: 1.8;
            color: #1a1a2e;
            background: #f8f9fc;
            padding: 0 16px;
            font-size: 16px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
            border-radius: 24px;
            padding: 20px 28px 40px;
            margin-top: 16px;
            margin-bottom: 40px;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            border-bottom: 2px solid #f0eef7;
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: #1a1a2e;
            text-decoration: none;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #e8455c, #a020f0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
            font-family: 'Segoe UI', sans-serif;
        }
        .my-logo small {
            font-size: 1rem;
            font-weight: 400;
            -webkit-text-fill-color: #6c6c8a;
            color: #6c6c8a;
            letter-spacing: 0.3px;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #1a1a2e;
            border-radius: 8px;
            font-size: 1.6rem;
            padding: 6px 12px;
            cursor: pointer;
            color: #1a1a2e;
            transition: 0.2s;
        }
        .hamburger:hover {
            background: #1a1a2e;
            color: #fff;
        }
        nav#main-nav ul {
            display: flex;
            list-style: none;
            gap: 8px 20px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav#main-nav ul li a {
            text-decoration: none;
            color: #2d2d44;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 10px;
            border-radius: 8px;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        nav#main-nav ul li a:hover,
        nav#main-nav ul li a:focus {
            background: #1a1a2e;
            color: #fff;
            outline: none;
        }
        nav#main-nav ul li a i {
            font-size: 0.85rem;
        }
        .breadcrumb {
            width: 100%;
            margin-top: 10px;
            padding: 8px 0 4px;
            font-size: 0.85rem;
            color: #6c6c8a;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            border-top: 1px solid #f0eef7;
        }
        .breadcrumb a {
            color: #e8455c;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #9a9ab0;
        }
        .search-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 20px 0 8px;
            padding: 12px 0;
        }
        .search-bar input {
            flex: 1 1 240px;
            padding: 12px 18px;
            border: 2px solid #e0e0ec;
            border-radius: 40px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.25s;
            background: #f8f9fc;
        }
        .search-bar input:focus {
            border-color: #a020f0;
            box-shadow: 0 0 0 4px rgba(160, 32, 240, 0.12);
        }
        .search-bar button {
            padding: 12px 28px;
            background: #1a1a2e;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .search-bar button:hover {
            background: #e8455c;
            transform: scale(1.02);
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 20px 0 12px;
            color: #1a1a2e;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 40px 0 14px;
            color: #1a1a2e;
            border-left: 6px solid #e8455c;
            padding-left: 18px;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 28px 0 10px;
            color: #2d2d44;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 20px 0 8px;
            color: #3d3d5c;
        }
        p {
            margin-bottom: 18px;
            color: #2d2d44;
        }
        .highlight {
            background: linear-gradient(120deg, #fff0f3 0%, #fff0f3 60%, transparent 100%);
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .insight-box {
            background: #f4f0fe;
            border-radius: 18px;
            padding: 24px 28px;
            margin: 28px 0;
            border-left: 6px solid #a020f0;
            position: relative;
        }
        .insight-box::before {
            content: "💡";
            font-size: 1.8rem;
            position: absolute;
            top: -12px;
            left: 20px;
            background: #fff;
            padding: 0 8px;
            border-radius: 50%;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 18px;
            margin: 24px 0 32px;
        }
        .stat-card {
            background: #f8f9fc;
            border-radius: 16px;
            padding: 20px 16px;
            text-align: center;
            border: 1px solid #e8e8f0;
            transition: 0.25s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.06);
            border-color: #a020f0;
        }
        .stat-card .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #e8455c;
            display: block;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: #6c6c8a;
            font-weight: 500;
        }
        .pro-tip {
            background: #1a1a2e;
            color: #f0eef7;
            border-radius: 16px;
            padding: 20px 24px;
            margin: 24px 0;
        }
        .pro-tip strong {
            color: #ffd700;
        }
        a {
            color: #a020f0;
            text-decoration: none;
            font-weight: 500;
        }
        a:hover {
            color: #e8455c;
            text-decoration: underline;
        }
        .link-list-inline {
            display: inline-flex;
            flex-wrap: wrap;
            gap: 6px 16px;
            list-style: none;
            margin: 8px 0 16px;
        }
        .link-list-inline li a {
            background: #f4f0fe;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 0.9rem;
            border: 1px solid #e0d8f0;
            transition: 0.2s;
            display: inline-block;
        }
        .link-list-inline li a:hover {
            background: #1a1a2e;
            color: #fff;
            border-color: #1a1a2e;
            text-decoration: none;
        }
        .feature-img {
            width: 100%;
            max-width: 860px;
            height: auto;
            border-radius: 20px;
            margin: 24px auto 28px;
            display: block;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
            border: 1px solid #f0eef7;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 32px 0;
        }
        @media (max-width:700px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .comment-box,
        .score-box {
            background: #f8f9fc;
            border-radius: 18px;
            padding: 24px;
            border: 1px solid #e8e8f0;
        }
        .comment-box h3,
        .score-box h3 {
            margin-top: 0;
            font-size: 1.25rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comment-box textarea,
        .comment-box input,
        .score-box input,
        .score-box select {
            width: 100%;
            padding: 12px 14px;
            border: 2px solid #e0e0ec;
            border-radius: 12px;
            font-size: 0.95rem;
            margin-bottom: 12px;
            outline: none;
            transition: 0.2s;
            background: #fff;
            font-family: inherit;
        }
        .comment-box textarea:focus,
        .comment-box input:focus,
        .score-box input:focus,
        .score-box select:focus {
            border-color: #a020f0;
            box-shadow: 0 0 0 4px rgba(160, 32, 240, 0.08);
        }
        .comment-box textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-box button,
        .score-box button {
            padding: 12px 28px;
            background: #1a1a2e;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .comment-box button:hover,
        .score-box button:hover {
            background: #e8455c;
            transform: scale(1.02);
        }
        .score-display {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffb800;
            letter-spacing: 2px;
        }
        .star-rating i {
            color: #ffb800;
            font-size: 1.4rem;
            cursor: pointer;
            transition: 0.15s;
        }
        .star-rating i:hover {
            transform: scale(1.2);
            color: #ff9500;
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: #9a9ab0;
            margin: 8px 0 16px;
            padding: 8px 0;
            border-top: 1px dashed #e0e0ec;
        }
        footer {
            margin-top: 48px;
            padding-top: 28px;
            border-top: 2px solid #f0eef7;
        }
        friend-link {
            display: block;
            padding: 18px 0 12px;
            font-style: normal;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 6px 16px;
            background: #f4f0fe;
            border-radius: 30px;
            font-size: 0.9rem;
            border: 1px solid #e0d8f0;
            transition: 0.2s;
        }
        friend-link a:hover {
            background: #1a1a2e;
            color: #fff;
            border-color: #1a1a2e;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding: 16px 0 8px;
            font-size: 0.85rem;
            color: #9a9ab0;
        }
        .copyright strong {
            color: #2d2d44;
        }
        @media (max-width: 820px) {
            .container {
                padding: 12px 16px 30px;
                border-radius: 16px;
                margin-top: 8px;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .my-logo {
                font-size: 1.6rem;
            }
            .hamburger {
                display: inline-block;
            }
            nav#main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease, padding 0.3s;
                padding: 0 4px;
                background: #fff;
                border-radius: 12px;
            }
            nav#main-nav.open {
                max-height: 600px;
                padding: 14px 4px 8px;
            }
            nav#main-nav ul {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }
            nav#main-nav ul li a {
                padding: 10px 14px;
                border-radius: 10px;
                background: #f8f9fc;
                width: 100%;
            }
            nav#main-nav ul li a:hover {
                background: #1a1a2e;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 8px 12px 24px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.25rem;
                padding-left: 12px;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .search-bar input {
                font-size: 0.85rem;
            }
            .search-bar button {
                padding: 10px 18px;
                font-size: 0.85rem;
            }
            .feedback-grid {
                gap: 16px;
            }
            .insight-box {
                padding: 18px 16px;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        :focus-visible {
            outline: 3px solid #a020f0;
            outline-offset: 3px;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0 28px;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .data-table th {
            background: #1a1a2e;
            color: #fff;
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 12px 16px;
            border-bottom: 1px solid #f0eef7;
            background: #fff;
        }
        .data-table tr:hover td {
            background: #f8f4ff;
        }