*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: #f6f8fa;
            color: #1a1d23;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #c73e3e;
            text-decoration: none;
            transition: color .2s;
        }
        a:hover,
        a:focus {
            color: #9f2b2b;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #fff;
            box-shadow: 0 0 40px rgba(0, 0, 0, .04);
            border-radius: 24px;
            padding: 1.5rem 2rem 2rem;
        }
        @media (max-width:768px) {
            .container {
                padding: 1rem 1rem 1.5rem;
                border-radius: 16px;
            }
            body {
                padding: 0 .5rem;
            }
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.75rem;
            border-bottom: 2px solid #f0f2f5;
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #c73e3e, #e88d2a);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: inline-flex;
            align-items: center;
            gap: .3rem;
        }
        .my-logo i {
            font-size: 1.8rem;
            color: #c73e3e;
            background: none;
        }
        .my-logo small {
            font-size: .65rem;
            font-weight: 400;
            color: #6b7280;
            background: none;
            background-clip: unset;
            -webkit-background-clip: unset;
            letter-spacing: 0;
            margin-left: .2rem;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: .87;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 1.2rem;
            align-items: center;
            transition: all .3s ease;
        }
        .nav-list a {
            font-weight: 500;
            font-size: .95rem;
            padding: .3rem 0;
            color: #2d3748;
            border-bottom: 2px solid transparent;
        }
        .nav-list a:hover {
            border-bottom-color: #c73e3e;
            text-decoration: none;
            color: #c73e3e;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.7rem;
            color: #1a1d23;
            cursor: pointer;
            padding: .2rem .4rem;
            border-radius: 8px;
            transition: background .2s;
        }
        .hamburger:hover {
            background: #f0f2f5;
        }
        @media (max-width:768px) {
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 1rem 0 .5rem;
                gap: .6rem;
                border-top: 1px solid #e2e8f0;
                margin-top: .75rem;
            }
            .nav-list.open {
                display: flex;
            }
            .hamburger {
                display: inline-block;
            }
            .site-header {
                flex-wrap: wrap;
            }
            .nav-wrapper {
                order: 3;
                width: 100%;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: .4rem .6rem;
            font-size: .85rem;
            padding: .75rem 0 .5rem;
            color: #6b7280;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: .6rem;
            color: #9ca3af;
        }
        .breadcrumb a {
            color: #6b7280;
        }
        .breadcrumb a:hover {
            color: #c73e3e;
        }
        .breadcrumb .current {
            color: #1a1d23;
            font-weight: 500;
        }
        .search-bar {
            display: flex;
            max-width: 480px;
            margin: 1.5rem 0 1rem;
            border-radius: 40px;
            overflow: hidden;
            border: 1px solid #d1d5db;
            background: #fff;
            transition: box-shadow .2s;
        }
        .search-bar:focus-within {
            box-shadow: 0 0 0 3px rgba(199, 62, 62, .18);
            border-color: #c73e3e;
        }
        .search-bar input {
            flex: 1;
            border: none;
            padding: .7rem 1.2rem;
            font-size: 1rem;
            outline: none;
            background: transparent;
        }
        .search-bar button {
            background: #c73e3e;
            color: #fff;
            border: none;
            padding: 0 1.4rem;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background .2s;
            display: flex;
            align-items: center;
            gap: .4rem;
        }
        .search-bar button:hover {
            background: #9f2b2b;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 1.2rem 0 .6rem;
            letter-spacing: -0.02em;
            color: #111;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 2.4rem 0 1rem;
            padding-bottom: .4rem;
            border-bottom: 3px solid #f0f2f5;
            color: #1a1d23;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 1.8rem 0 .7rem;
            color: #2d3748;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 1.2rem 0 .4rem;
            color: #374151;
        }
        @media (max-width:768px) {
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
        }
        p {
            margin-bottom: 1.1rem;
        }
        .content-area {
            margin: 1rem 0 2rem;
        }
        .content-area ul,
        .content-area ol {
            margin: 0 0 1.2rem 1.6rem;
        }
        .content-area li {
            margin-bottom: .35rem;
        }
        .feature-box {
            background: #f9fafb;
            border-left: 4px solid #c73e3e;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .feature-box strong {
            color: #c73e3e;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.2rem;
            margin: 1.6rem 0;
        }
        .stat-card {
            background: #f3f4f6;
            padding: 1.2rem;
            border-radius: 14px;
            text-align: center;
            transition: transform .2s, box-shadow .2s;
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, .06);
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: #c73e3e;
            display: block;
        }
        .stat-card .label {
            font-size: .9rem;
            color: #6b7280;
        }
        .img-wrapper {
            margin: 1.8rem 0;
            border-radius: 14px;
            overflow: hidden;
            background: #e5e7eb;
            position: relative;
        }
        .img-wrapper img {
            width: 100%;
            height: auto;
            display: block;
        }
        .img-wrapper .caption {
            font-size: .85rem;
            color: #6b7280;
            padding: .6rem 1rem;
            background: #f9fafb;
            border-top: 1px solid #e5e7eb;
        }
        .interaction-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0 1.5rem;
            padding-top: 1.5rem;
            border-top: 2px solid #e5e7eb;
        }
        @media (max-width:768px) {
            .interaction-section {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        .comment-box textarea,
        .score-box select {
            width: 100%;
            padding: .7rem 1rem;
            border: 1px solid #d1d5db;
            border-radius: 10px;
            font-size: .95rem;
            font-family: inherit;
            transition: border-color .2s;
            background: #fff;
        }
        .comment-box textarea:focus,
        .score-box select:focus {
            border-color: #c73e3e;
            outline: none;
            box-shadow: 0 0 0 3px rgba(199, 62, 62, .12);
        }
        .comment-box textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #c73e3e;
            color: #fff;
            border: none;
            padding: .6rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: .95rem;
            cursor: pointer;
            transition: background .2s, transform .1s;
            display: inline-flex;
            align-items: center;
            gap: .5rem;
        }
        .btn:hover {
            background: #9f2b2b;
            transform: scale(1.02);
        }
        .btn-outline {
            background: transparent;
            color: #c73e3e;
            border: 1.5px solid #c73e3e;
        }
        .btn-outline:hover {
            background: #c73e3e;
            color: #fff;
        }
        .score-box .star-display {
            font-size: 1.8rem;
            color: #f59e0b;
            letter-spacing: 4px;
            margin: .3rem 0 .5rem;
        }
        friend-link {
            display: block;
            padding: 1.2rem 0 0.8rem;
            border-top: 2px solid #f0f2f5;
            margin-top: 1.5rem;
        }
        friend-link .fl-title {
            font-weight: 600;
            font-size: 1rem;
            color: #374151;
            margin-bottom: .6rem;
        }
        friend-link .fl-list {
            display: flex;
            flex-wrap: wrap;
            gap: .6rem 1.4rem;
            list-style: none;
        }
        friend-link .fl-list a {
            font-size: .9rem;
            color: #6b7280;
            padding: .2rem 0;
            border-bottom: 1px solid transparent;
        }
        friend-link .fl-list a:hover {
            color: #c73e3e;
            border-bottom-color: #c73e3e;
            text-decoration: none;
        }
        .site-footer {
            padding: 1.2rem 0 .6rem;
            font-size: .85rem;
            color: #6b7280;
            border-top: 1px solid #e5e7eb;
            margin-top: 1rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        .site-footer .copyright {
            font-weight: 400;
        }
        .site-footer .copyright strong {
            color: #1a1d23;
        }
        .last-updated {
            display: inline-block;
            font-size: .85rem;
            color: #9ca3af;
            background: #f3f4f6;
            padding: .2rem 1rem;
            border-radius: 40px;
            margin: .2rem 0 .8rem;
        }
        .tag {
            display: inline-block;
            background: #f0f2f5;
            padding: .15rem .8rem;
            border-radius: 40px;
            font-size: .75rem;
            font-weight: 500;
            color: #6b7280;
        }
        .text-muted {
            color: #6b7280;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            align-items: center;
            gap: .5rem;
        }
        :target {
            scroll-margin-top: 80px;
        }