/* roulang page: index */
:root {
            --mk-primary: #111827;
            --mk-accent: #c8a97e;
            --mk-accent-hover: #b8945f;
            --mk-accent-light: #f0e6d8;
            --mk-bg: #fafaf8;
            --mk-bg-warm: #f7f4ef;
            --mk-bg-dark: #1a1d23;
            --mk-text: #1c1c1c;
            --mk-text-soft: #6b7280;
            --mk-text-light: #9ca3af;
            --mk-border: #e5e7eb;
            --mk-border-light: #f0ece6;
            --mk-white: #ffffff;
            --mk-radius-sm: 6px;
            --mk-radius: 10px;
            --mk-radius-lg: 16px;
            --mk-radius-xl: 20px;
            --mk-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --mk-shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
            --mk-shadow-md: 0 8px 30px rgba(0, 0, 0, 0.09);
            --mk-shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.11);
            --mk-shadow-card: 0 2px 12px rgba(0, 0, 0, 0.05);
            --mk-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --mk-font-heading: 'Georgia', 'Noto Serif SC', 'STSong', serif;
            --mk-font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --mk-section-gap: 80px;
            --mk-section-gap-mobile: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--mk-font-body);
            color: var(--mk-text);
            background-color: var(--mk-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--mk-transition);
        }
        a:hover {
            color: var(--mk-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.3;
            letter-spacing: 0.02em;
        }
        p {
            margin: 0 0 1em;
        }
        p:last-child {
            margin-bottom: 0;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .section-padding {
            padding-top: var(--mk-section-gap);
            padding-bottom: var(--mk-section-gap);
        }
        @media (max-width: 768px) {
            .section-padding {
                padding-top: var(--mk-section-gap-mobile);
                padding-bottom: var(--mk-section-gap-mobile);
            }
        }

        .section-title-group {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title-group .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--mk-accent);
            margin-bottom: 8px;
            border-bottom: 2px solid var(--mk-accent);
            padding-bottom: 4px;
        }
        .section-title-group .section-title {
            font-family: var(--mk-font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--mk-primary);
            margin-top: 8px;
        }
        .section-title-group .section-subtitle {
            font-size: 1rem;
            color: var(--mk-text-soft);
            margin-top: 8px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section-title-group .section-title {
                font-size: 1.65rem;
            }
            .section-title-group .section-subtitle {
                font-size: 0.9rem;
            }
        }

        /* Header & Card Nav Panel */
        .mk-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--mk-white);
            border-bottom: 1px solid transparent;
            transition: all var(--mk-transition);
        }
        .mk-header.scrolled {
            border-bottom-color: var(--mk-border-light);
            box-shadow: var(--mk-shadow-sm);
        }
        .mk-nav-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 24px;
            background: var(--mk-white);
            border-radius: 0 0 var(--mk-radius-lg) var(--mk-radius-lg);
            box-shadow: var(--mk-shadow);
            margin: 0 auto;
            max-width: 1200px;
            position: relative;
            transition: all var(--mk-transition);
        }
        @media (max-width: 991px) {
            .mk-nav-panel {
                border-radius: 0;
                flex-wrap: wrap;
                padding: 10px 16px;
            }
        }
        .mk-logo {
            font-family: var(--mk-font-heading);
            font-size: 1.55rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--mk-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mk-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--mk-radius-sm);
            background: var(--mk-primary);
            color: var(--mk-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 700;
        }
        .mk-nav-entries {
            display: flex;
            align-items: center;
            gap: 4px;
            background: var(--mk-bg-warm);
            border-radius: var(--mk-radius);
            padding: 5px 6px;
        }
        .mk-nav-entries .nav-card-btn {
            display: flex;
            align-items: center;
            gap: 7px;
            padding: 10px 18px;
            border-radius: var(--mk-radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--mk-text);
            background: transparent;
            border: none;
            white-space: nowrap;
            transition: all var(--mk-transition);
            letter-spacing: 0.02em;
        }
        .mk-nav-entries .nav-card-btn:hover {
            background: var(--mk-white);
            color: var(--mk-accent);
            box-shadow: var(--mk-shadow-sm);
        }
        .mk-nav-entries .nav-card-btn.active {
            background: var(--mk-primary);
            color: var(--mk-white);
            box-shadow: var(--mk-shadow-sm);
        }
        .mk-nav-entries .nav-card-btn .nav-icon {
            font-size: 0.85rem;
            opacity: 0.7;
        }
        .mk-nav-cta {
            flex-shrink: 0;
            margin-left: 12px;
        }
        .btn-mk-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 11px 24px;
            border-radius: var(--mk-radius);
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: var(--mk-primary);
            color: var(--mk-white);
            border: 2px solid var(--mk-primary);
            transition: all var(--mk-transition);
            white-space: nowrap;
        }
        .btn-mk-primary:hover {
            background: var(--mk-accent);
            border-color: var(--mk-accent);
            color: var(--mk-white);
            box-shadow: var(--mk-shadow-md);
            transform: translateY(-1px);
        }
        .btn-mk-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: var(--mk-radius);
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: transparent;
            color: var(--mk-primary);
            border: 2px solid var(--mk-primary);
            transition: all var(--mk-transition);
            white-space: nowrap;
        }
        .btn-mk-outline:hover {
            background: var(--mk-primary);
            color: var(--mk-white);
            box-shadow: var(--mk-shadow-md);
            transform: translateY(-1px);
        }
        .btn-mk-accent {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 11px 24px;
            border-radius: var(--mk-radius);
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: var(--mk-accent);
            color: var(--mk-white);
            border: 2px solid var(--mk-accent);
            transition: all var(--mk-transition);
            white-space: nowrap;
        }
        .btn-mk-accent:hover {
            background: var(--mk-accent-hover);
            border-color: var(--mk-accent-hover);
            color: var(--mk-white);
            box-shadow: var(--mk-shadow-md);
            transform: translateY(-1px);
        }
        @media (max-width: 991px) {
            .mk-nav-entries {
                flex-wrap: wrap;
                gap: 2px;
                padding: 4px;
                border-radius: var(--mk-radius-sm);
                width: 100%;
                order: 3;
                margin-top: 8px;
                justify-content: center;
            }
            .mk-nav-entries .nav-card-btn {
                padding: 8px 13px;
                font-size: 0.8rem;
                gap: 4px;
            }
            .mk-nav-cta {
                order: 2;
                margin-left: auto;
            }
            .mk-nav-cta .btn-mk-primary {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .mk-nav-entries .nav-card-btn {
                padding: 7px 10px;
                font-size: 0.75rem;
                gap: 3px;
            }
            .mk-nav-entries .nav-card-btn .nav-icon {
                font-size: 0.7rem;
            }
            .mk-logo {
                font-size: 1.3rem;
            }
        }

        /* Hero */
        .mk-hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: var(--mk-bg-dark);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .mk-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(17, 23, 39, 0.82) 0%, rgba(17, 23, 39, 0.5) 40%, rgba(17, 23, 39, 0.35) 100%);
            z-index: 1;
        }
        .mk-hero .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            color: var(--mk-white);
        }
        .mk-hero .hero-badge {
            display: inline-block;
            background: rgba(200, 169, 126, 0.2);
            border: 1px solid rgba(200, 169, 126, 0.5);
            color: var(--mk-accent);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .mk-hero .hero-title {
            font-family: var(--mk-font-heading);
            font-size: 3.4rem;
            font-weight: 700;
            line-height: 1.18;
            max-width: 680px;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }
        .mk-hero .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 520px;
            margin-bottom: 32px;
            line-height: 1.6;
        }
        .mk-hero .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .mk-hero {
                min-height: 500px;
            }
            .mk-hero .hero-title {
                font-size: 2.2rem;
            }
            .mk-hero .hero-desc {
                font-size: 0.95rem;
            }
            .mk-hero .hero-content {
                padding: 40px 0;
            }
        }
        @media (max-width: 520px) {
            .mk-hero {
                min-height: 440px;
            }
            .mk-hero .hero-title {
                font-size: 1.7rem;
            }
            .mk-hero .hero-badge {
                font-size: 0.75rem;
                padding: 5px 14px;
            }
        }

        /* Data Dashboard */
        .mk-data-dashboard {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .mk-data-card {
            background: var(--mk-white);
            border-radius: var(--mk-radius-lg);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--mk-border-light);
            transition: all var(--mk-transition);
            box-shadow: var(--mk-shadow-card);
        }
        .mk-data-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--mk-shadow-md);
            border-color: var(--mk-accent-light);
        }
        .mk-data-card .data-icon {
            font-size: 1.8rem;
            color: var(--mk-accent);
            margin-bottom: 10px;
        }
        .mk-data-card .data-number {
            font-family: var(--mk-font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--mk-primary);
            letter-spacing: 0.02em;
        }
        .mk-data-card .data-label {
            font-size: 0.85rem;
            color: var(--mk-text-soft);
            margin-top: 4px;
        }
        .mk-data-card .data-trend {
            font-size: 0.78rem;
            color: var(--mk-accent);
            font-weight: 600;
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .mk-data-dashboard {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .mk-data-card {
                padding: 20px 14px;
            }
            .mk-data-card .data-number {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 520px) {
            .mk-data-dashboard {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
        }

        /* Category Entry Cards */
        .mk-category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .mk-cat-card {
            background: var(--mk-white);
            border-radius: var(--mk-radius-lg);
            overflow: hidden;
            border: 1px solid var(--mk-border-light);
            transition: all var(--mk-transition);
            box-shadow: var(--mk-shadow-card);
            display: flex;
            flex-direction: column;
        }
        .mk-cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--mk-shadow-lg);
            border-color: var(--mk-accent-light);
        }
        .mk-cat-card .cat-img-wrap {
            height: 200px;
            overflow: hidden;
            position: relative;
            background: var(--mk-bg-warm);
        }
        .mk-cat-card .cat-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .mk-cat-card:hover .cat-img-wrap img {
            transform: scale(1.06);
        }
        .mk-cat-card .cat-body {
            padding: 20px 18px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .mk-cat-card .cat-title {
            font-family: var(--mk-font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--mk-primary);
            margin-bottom: 6px;
        }
        .mk-cat-card .cat-desc {
            font-size: 0.85rem;
            color: var(--mk-text-soft);
            margin-bottom: 14px;
            flex: 1;
        }
        .mk-cat-card .cat-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--mk-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--mk-transition);
        }
        .mk-cat-card:hover .cat-link {
            gap: 10px;
        }
        @media (max-width: 991px) {
            .mk-category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .mk-category-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .mk-cat-card .cat-img-wrap {
                height: 160px;
            }
        }

        /* Feature Highlight */
        .mk-feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .mk-feature-row.reverse {
            direction: rtl;
        }
        .mk-feature-row.reverse>* {
            direction: ltr;
        }
        .mk-feature-img {
            border-radius: var(--mk-radius-xl);
            overflow: hidden;
            box-shadow: var(--mk-shadow-md);
            aspect-ratio: 4/3;
            background: var(--mk-bg-warm);
        }
        .mk-feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .mk-feature-text .feat-label {
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--mk-accent);
            margin-bottom: 8px;
            display: inline-block;
        }
        .mk-feature-text .feat-title {
            font-family: var(--mk-font-heading);
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--mk-primary);
            margin-bottom: 14px;
        }
        .mk-feature-text .feat-desc {
            font-size: 0.95rem;
            color: var(--mk-text-soft);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .mk-feature-text .feat-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 20px;
        }
        .mk-feature-text .feat-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--mk-text);
        }
        .mk-feature-text .feat-list li i {
            color: var(--mk-accent);
            margin-top: 3px;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .mk-feature-row {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .mk-feature-text .feat-title {
                font-size: 1.5rem;
            }
            .mk-feature-img {
                aspect-ratio: 16/10;
            }
        }

        /* News Cards */
        .mk-news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .mk-news-card {
            background: var(--mk-white);
            border-radius: var(--mk-radius-lg);
            overflow: hidden;
            border: 1px solid var(--mk-border-light);
            transition: all var(--mk-transition);
            box-shadow: var(--mk-shadow-card);
            display: flex;
            flex-direction: column;
        }
        .mk-news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--mk-shadow-md);
            border-color: var(--mk-accent-light);
        }
        .mk-news-card .news-img-wrap {
            height: 180px;
            overflow: hidden;
            background: var(--mk-bg-warm);
        }
        .mk-news-card .news-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .mk-news-card:hover .news-img-wrap img {
            transform: scale(1.05);
        }
        .mk-news-card .news-body {
            padding: 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .mk-news-card .news-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--mk-accent);
            background: var(--mk-accent-light);
            padding: 3px 10px;
            border-radius: 50px;
            margin-bottom: 8px;
            width: fit-content;
        }
        .mk-news-card .news-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--mk-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .mk-news-card .news-excerpt {
            font-size: 0.82rem;
            color: var(--mk-text-soft);
            flex: 1;
            margin-bottom: 10px;
        }
        .mk-news-card .news-date {
            font-size: 0.75rem;
            color: var(--mk-text-light);
        }
        @media (max-width: 991px) {
            .mk-news-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .mk-news-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .mk-news-card .news-img-wrap {
                height: 150px;
            }
        }

        /* Stats Bar */
        .mk-stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            background: var(--mk-primary);
            border-radius: var(--mk-radius-xl);
            overflow: hidden;
        }
        .mk-stat-item {
            text-align: center;
            padding: 32px 20px;
            color: var(--mk-white);
            position: relative;
        }
        .mk-stat-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 20%;
            height: 60%;
            width: 1px;
            background: rgba(255, 255, 255, 0.2);
        }
        .mk-stat-item .stat-number {
            font-family: var(--mk-font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--mk-accent);
            letter-spacing: 0.02em;
        }
        .mk-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }
        @media (max-width: 768px) {
            .mk-stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .mk-stat-item:nth-child(2)::after {
                display: none;
            }
            .mk-stat-item {
                padding: 22px 16px;
            }
            .mk-stat-item .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 520px) {
            .mk-stat-item .stat-number {
                font-size: 1.6rem;
            }
            .mk-stat-item .stat-label {
                font-size: 0.75rem;
            }
        }

        /* FAQ */
        .mk-faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .mk-faq-item {
            background: var(--mk-white);
            border: 1px solid var(--mk-border-light);
            border-radius: var(--mk-radius);
            overflow: hidden;
            transition: all var(--mk-transition);
            box-shadow: var(--mk-shadow-card);
        }
        .mk-faq-item:hover {
            border-color: var(--mk-accent-light);
        }
        .mk-faq-item .faq-header {
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--mk-primary);
            user-select: none;
            transition: color var(--mk-transition);
        }
        .mk-faq-item .faq-header:hover {
            color: var(--mk-accent);
        }
        .mk-faq-item .faq-header i {
            font-size: 0.8rem;
            color: var(--mk-accent);
            transition: transform var(--mk-transition);
            flex-shrink: 0;
        }
        .mk-faq-item.open .faq-header i {
            transform: rotate(180deg);
        }
        .mk-faq-item .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            font-size: 0.9rem;
            color: var(--mk-text-soft);
            line-height: 1.7;
        }
        .mk-faq-item.open .faq-body {
            max-height: 300px;
            padding-bottom: 18px;
        }

        /* CTA Section */
        .mk-cta-section {
            background: var(--mk-bg-dark);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            border-radius: var(--mk-radius-xl);
            overflow: hidden;
            text-align: center;
            padding: 60px 40px;
        }
        .mk-cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(17, 23, 39, 0.78);
            z-index: 1;
        }
        .mk-cta-section .cta-inner {
            position: relative;
            z-index: 2;
            color: var(--mk-white);
        }
        .mk-cta-section .cta-title {
            font-family: var(--mk-font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .mk-cta-section .cta-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 500px;
            margin: 0 auto 28px;
        }
        @media (max-width: 768px) {
            .mk-cta-section {
                padding: 40px 20px;
                border-radius: var(--mk-radius-lg);
            }
            .mk-cta-section .cta-title {
                font-size: 1.5rem;
            }
        }

        /* Footer */
        .mk-footer {
            background: var(--mk-primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            font-size: 0.85rem;
        }
        .mk-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .mk-footer .footer-brand {
            font-family: var(--mk-font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--mk-white);
            margin-bottom: 10px;
        }
        .mk-footer .footer-desc {
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
        }
        .mk-footer .footer-col-title {
            font-weight: 700;
            color: var(--mk-white);
            margin-bottom: 12px;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
        }
        .mk-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .mk-footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--mk-transition);
            font-size: 0.83rem;
        }
        .mk-footer .footer-links a:hover {
            color: var(--mk-accent);
        }
        .mk-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.78rem;
        }
        @media (max-width: 768px) {
            .mk-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .mk-footer .footer-grid>div:first-child {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .mk-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* Utility */
        .bg-warm {
            background: var(--mk-bg-warm);
        }
        .bg-white {
            background: var(--mk-white);
        }
        .text-accent {
            color: var(--mk-accent);
        }
        .divider-accent {
            width: 50px;
            height: 3px;
            background: var(--mk-accent);
            border-radius: 2px;
            margin: 16px auto;
        }
        @media (max-width: 768px) {
            .hide-mobile {
                display: none !important;
            }
        }

/* roulang page: category1 */
:root {
            --mk-primary: #1E293B;
            --mk-accent: #C9A96E;
            --mk-accent-light: #e2d0b3;
            --mk-bg: #F8F9FA;
            --mk-surface: #FFFFFF;
            --mk-text: #1E293B;
            --mk-text-weak: #64748B;
            --mk-border: #E2E8F0;
            --mk-border-light: #F1F5F9;
            --mk-radius: 16px;
            --mk-radius-sm: 10px;
            --mk-radius-xs: 8px;
            --mk-shadow-sm: 0 1px 2px rgba(0,0,0,0.03);
            --mk-shadow: 0 4px 12px rgba(0,0,0,0.06);
            --mk-shadow-lg: 0 8px 30px rgba(0,0,0,0.08);
            --mk-transition: all 0.25s ease;
            --container-max-width: 1240px;
            --header-height: 80px;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--mk-bg);
            color: var(--mk-text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; height: auto; display: block; }
        ul { list-style: none; }
        button, input, textarea { font-family: inherit; }

        .container-custom {
            max-width: var(--container-max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header / Navigation */
        .mk-header {
            background: var(--mk-surface);
            border-bottom: 1px solid var(--mk-border);
            position: sticky;
            top: 0;
            z-index: 1040;
            box-shadow: var(--mk-shadow-sm);
            transition: var(--mk-transition);
        }
        .mk-nav-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 10px 0;
            background: var(--mk-surface);
            border-radius: var(--mk-radius-sm);
            margin: 4px 0;
        }
        .mk-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.6rem;
            color: var(--mk-primary);
            white-space: nowrap;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--mk-primary);
            color: var(--mk-accent);
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 700;
        }
        .mk-nav-entries {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-card-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: var(--mk-bg);
            border: 1px solid transparent;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--mk-text-weak);
            transition: var(--mk-transition);
            white-space: nowrap;
        }
        .nav-card-btn:hover {
            background: #e9ecef;
            color: var(--mk-primary);
            border-color: var(--mk-border);
        }
        .nav-card-btn.active {
            background: var(--mk-primary);
            color: #fff;
            border-color: var(--mk-primary);
            box-shadow: 0 4px 10px rgba(30,41,59,0.2);
        }
        .nav-card-btn .nav-icon {
            font-size: 0.85rem;
        }
        .mk-nav-cta .btn-mk-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            background: var(--mk-accent);
            color: #fff;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            transition: var(--mk-transition);
            white-space: nowrap;
        }
        .btn-mk-primary:hover {
            background: #b68b4c;
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(201,169,110,0.3);
        }

        /* Footer */
        .mk-footer {
            background: var(--mk-primary);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 20px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand { font-size: 1.8rem; font-weight: 700; color: #fff; margin-bottom: 12px; }
        .footer-desc { font-size: 0.9rem; line-height: 1.8; max-width: 300px; }
        .footer-col-title { font-size: 1rem; font-weight: 600; color: #fff; margin-bottom: 16px; }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: var(--mk-transition); }
        .footer-links a:hover { color: var(--mk-accent); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
        }

        /* Breadcrumb / Page Header */
        .page-hero {
            background: linear-gradient(135deg, #1E293B 0%, #2D3A4F 100%);
            padding: 50px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .page-hero-content { position: relative; z-index: 2; }
        .page-hero h1 { font-size: 2.8rem; font-weight: 700; }
        .page-hero p { font-size: 1.1rem; opacity: 0.9; max-width: 600px; }

        /* Section titles */
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--mk-primary);
            margin-bottom: 8px;
        }
        .section-subtitle { color: var(--mk-text-weak); font-size: 1rem; margin-bottom: 32px; }

        /* Filter Tags */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 30px;
        }
        .filter-tag {
            padding: 8px 20px;
            border-radius: 40px;
            background: var(--mk-surface);
            border: 1px solid var(--mk-border);
            color: var(--mk-text-weak);
            font-weight: 500;
            cursor: pointer;
            transition: var(--mk-transition);
        }
        .filter-tag:hover, .filter-tag.active {
            background: var(--mk-accent);
            color: #fff;
            border-color: var(--mk-accent);
        }

        /* Product Card */
        .product-card {
            background: var(--mk-surface);
            border-radius: var(--mk-radius);
            overflow: hidden;
            box-shadow: var(--mk-shadow);
            transition: var(--mk-transition);
            border: 1px solid var(--mk-border-light);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .product-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--mk-shadow-lg);
        }
        .product-card-img {
            height: 220px;
            background: #f1f5f9;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .product-card-img img {
            object-fit: cover;
            width: 100%;
            height: 100%;
            transition: transform 0.4s;
        }
        .product-card:hover .product-card-img img { transform: scale(1.03); }
        .product-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
        .product-tag {
            display: inline-block;
            padding: 4px 12px;
            background: var(--mk-accent-light);
            color: #5c4a2e;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .product-name { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; color: var(--mk-primary); }
        .product-desc { font-size: 0.85rem; color: var(--mk-text-weak); margin-bottom: 16px; }
        .product-price { font-weight: 700; color: var(--mk-primary); font-size: 1.1rem; }
        .product-btn {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: 30px;
            background: var(--mk-primary);
            color: #fff;
            font-weight: 600;
            transition: var(--mk-transition);
            font-size: 0.9rem;
            border: none;
        }
        .product-btn:hover {
            background: var(--mk-accent);
            color: #fff;
        }

        /* Pagination */
        .mk-pagination .page-link {
            color: var(--mk-primary);
            border-radius: 8px;
            margin: 0 4px;
            border: none;
            background: var(--mk-surface);
            box-shadow: var(--mk-shadow-sm);
            transition: var(--mk-transition);
        }
        .mk-pagination .page-link:hover {
            background: var(--mk-accent);
            color: #fff;
        }
        .mk-pagination .active .page-link {
            background: var(--mk-primary);
            color: #fff;
            border-color: var(--mk-primary);
        }

        /* Feature Cards */
        .feature-card {
            background: var(--mk-surface);
            border-radius: var(--mk-radius);
            padding: 24px;
            text-align: center;
            box-shadow: var(--mk-shadow);
            border: 1px solid var(--mk-border-light);
            transition: var(--mk-transition);
        }
        .feature-card:hover { transform: translateY(-4px); box-shadow: var(--mk-shadow-lg); }
        .feature-icon {
            width: 56px;
            height: 56px;
            background: var(--mk-accent-light);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            color: #8b6914;
            font-size: 1.5rem;
        }
        .feature-card h5 { font-weight: 700; margin-bottom: 8px; }

        /* CTA */
        .cta-section {
            background: linear-gradient(105deg, #1E293B 0%, #2a3b4c 100%);
            border-radius: var(--mk-radius);
            padding: 50px 40px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            margin: 40px 0;
        }
        .cta-section h2 { font-weight: 700; font-size: 2rem; }
        .cta-section .btn-cta {
            background: var(--mk-accent);
            color: #fff;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 700;
            transition: var(--mk-transition);
        }
        .btn-cta:hover { background: #b68b4c; color: #fff; }

        /* FAQ */
        .accordion-button:not(.collapsed) {
            background-color: var(--mk-primary);
            color: #fff;
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--mk-accent);
        }
        .accordion-item {
            border: 1px solid var(--mk-border);
            margin-bottom: 10px;
            border-radius: var(--mk-radius-sm) !important;
            overflow: hidden;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .mk-nav-entries { gap: 4px; }
            .page-hero h1 { font-size: 2.2rem; }
        }
        @media (max-width: 768px) {
            .mk-nav-panel { flex-wrap: wrap; }
            .mk-nav-entries { order: 3; width: 100%; justify-content: center; }
            .mk-nav-cta { order: 2; }
            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
            .page-hero { padding: 40px 0; }
            .page-hero h1 { font-size: 1.8rem; }
            .product-card-img { height: 180px; }
            .cta-section { flex-direction: column; text-align: center; gap: 20px; }
            .section-title { font-size: 1.6rem; }
        }
        @media (max-width: 520px) {
            .nav-card-btn { padding: 6px 12px; font-size: 0.8rem; }
            .filter-tags { gap: 6px; }
            .filter-tag { padding: 6px 14px; font-size: 0.8rem; }
        }

/* roulang page: category3 */
:root {
            --mk-primary: #1a1a2e;
            --mk-accent: #c9a96e;
            --mk-accent-light: #e0c78a;
            --mk-accent-dark: #a8894c;
            --mk-bg: #fafaf8;
            --mk-bg-alt: #f3f1ec;
            --mk-bg-dark: #1a1a2e;
            --mk-bg-card: #ffffff;
            --mk-text: #2c2c2c;
            --mk-text-light: #6b6b6b;
            --mk-text-muted: #999999;
            --mk-border: #e8e5df;
            --mk-border-light: #f0ede8;
            --mk-radius-sm: 6px;
            --mk-radius: 10px;
            --mk-radius-lg: 16px;
            --mk-radius-xl: 20px;
            --mk-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --mk-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --mk-shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
            --mk-shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.13);
            --mk-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --mk-transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--mk-text);
            background-color: var(--mk-bg);
            font-size: 15px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--mk-transition);
        }
        a:hover {
            color: var(--mk-accent);
        }
        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header */
        .mk-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--mk-border-light);
            box-shadow: var(--mk-shadow-sm);
            transition: box-shadow var(--mk-transition);
        }
        .mk-header.scrolled {
            box-shadow: var(--mk-shadow);
        }
        .mk-nav-panel {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 6px 0;
            flex-wrap: nowrap;
        }
        .mk-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--mk-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--mk-transition);
        }
        .mk-logo:hover {
            opacity: 0.8;
            color: var(--mk-primary);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--mk-primary);
            color: #fff;
            border-radius: var(--mk-radius-sm);
            font-size: 0.85rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .mk-nav-entries {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }
        .nav-card-btn {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--mk-text);
            background: transparent;
            transition: all var(--mk-transition);
            white-space: nowrap;
            border: 1.5px solid transparent;
            letter-spacing: 0.1px;
        }
        .nav-card-btn:hover {
            background: var(--mk-bg-alt);
            color: var(--mk-primary);
            border-color: var(--mk-border);
        }
        .nav-card-btn.active {
            background: var(--mk-primary);
            color: #fff;
            border-color: var(--mk-primary);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(26, 26, 46, 0.25);
        }
        .nav-card-btn.active:hover {
            background: #252540;
            color: #fff;
            border-color: #252540;
        }
        .nav-icon {
            font-size: 0.8rem;
            opacity: 0.85;
        }
        .mk-nav-cta {
            flex-shrink: 0;
        }
        .btn-mk-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--mk-accent);
            color: #fff;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--mk-transition);
            white-space: nowrap;
            letter-spacing: 0.2px;
            border: none;
        }
        .btn-mk-primary:hover {
            background: var(--mk-accent-dark);
            color: #fff;
            box-shadow: 0 4px 16px rgba(168, 137, 76, 0.35);
            transform: translateY(-1px);
        }
        .btn-mk-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(168, 137, 76, 0.3);
        }
        .btn-mk-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            background: transparent;
            color: var(--mk-primary);
            border: 2px solid var(--mk-primary);
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--mk-transition);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }
        .btn-mk-outline:hover {
            background: var(--mk-primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(26, 26, 46, 0.3);
            transform: translateY(-1px);
        }
        .btn-mk-outline:active {
            transform: translateY(0);
        }
        .btn-mk-accent-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            background: transparent;
            color: var(--mk-accent-dark);
            border: 2px solid var(--mk-accent);
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--mk-transition);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }
        .btn-mk-accent-outline:hover {
            background: var(--mk-accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.35);
            transform: translateY(-1px);
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            padding: 64px 0 56px;
            background: var(--mk-bg-dark);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 35%;
            background-repeat: no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(26, 26, 46, 0.7) 50%, rgba(26, 26, 46, 0.55) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
        }
        .page-banner .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--mk-transition);
        }
        .breadcrumb-custom a:hover {
            color: var(--mk-accent-light);
        }
        .breadcrumb-sep {
            opacity: 0.5;
            font-size: 0.7rem;
        }
        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }
        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            line-height: 1.6;
        }
        .page-banner .banner-accent-line {
            width: 56px;
            height: 4px;
            background: var(--mk-accent);
            border-radius: 2px;
            margin-bottom: 20px;
        }

        /* Section */
        .mk-section {
            padding: 64px 0;
        }
        .mk-section-sm {
            padding: 44px 0;
        }
        .mk-section-alt {
            background: var(--mk-bg-alt);
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--mk-accent-dark);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--mk-primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            line-height: 1.3;
        }
        .section-title-sm {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--mk-primary);
            margin-bottom: 8px;
            letter-spacing: -0.2px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--mk-text-light);
            max-width: 680px;
            line-height: 1.7;
        }
        .text-accent {
            color: var(--mk-accent-dark);
        }

        /* Cards */
        .craft-card {
            background: var(--mk-bg-card);
            border-radius: var(--mk-radius-lg);
            overflow: hidden;
            border: 1px solid var(--mk-border-light);
            box-shadow: var(--mk-shadow);
            transition: all var(--mk-transition-slow);
            height: 100%;
        }
        .craft-card:hover {
            box-shadow: var(--mk-shadow-lg);
            transform: translateY(-4px);
            border-color: var(--mk-border);
        }
        .craft-card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--mk-bg-alt);
        }
        .craft-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .craft-card:hover .craft-card-img img {
            transform: scale(1.05);
        }
        .craft-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--mk-accent);
            color: #fff;
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            z-index: 2;
        }
        .craft-card-body {
            padding: 20px 22px 22px;
        }
        .craft-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--mk-primary);
            margin-bottom: 6px;
            letter-spacing: -0.2px;
        }
        .craft-card-body p {
            font-size: 0.9rem;
            color: var(--mk-text-light);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* Step Cards */
        .step-card {
            background: var(--mk-bg-card);
            border-radius: var(--mk-radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--mk-border-light);
            box-shadow: var(--mk-shadow-sm);
            transition: all var(--mk-transition);
            position: relative;
            text-align: center;
            height: 100%;
        }
        .step-card:hover {
            box-shadow: var(--mk-shadow-lg);
            transform: translateY(-3px);
            border-color: var(--mk-border);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--mk-primary);
            color: #fff;
            border-radius: 50%;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--mk-primary);
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 0.88rem;
            color: var(--mk-text-light);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* Info block */
        .info-block {
            background: var(--mk-bg-card);
            border-radius: var(--mk-radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--mk-border-light);
            box-shadow: var(--mk-shadow);
            height: 100%;
        }
        .info-block-icon {
            font-size: 2rem;
            color: var(--mk-accent);
            margin-bottom: 14px;
        }
        .info-block h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--mk-primary);
            margin-bottom: 8px;
        }
        .info-block p {
            font-size: 0.9rem;
            color: var(--mk-text-light);
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* Material highlight */
        .material-highlight {
            background: var(--mk-bg-card);
            border-radius: var(--mk-radius-xl);
            overflow: hidden;
            border: 1px solid var(--mk-border-light);
            box-shadow: var(--mk-shadow);
            display: flex;
            flex-wrap: wrap;
        }
        .material-highlight-img {
            flex: 1 1 45%;
            min-width: 300px;
            aspect-ratio: 4 / 3;
            background: var(--mk-bg-alt);
        }
        .material-highlight-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .material-highlight-body {
            flex: 1 1 55%;
            min-width: 300px;
            padding: 36px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .material-highlight-body h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--mk-primary);
            margin-bottom: 10px;
        }
        .material-highlight-body p {
            color: var(--mk-text-light);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .material-tag {
            display: inline-block;
            padding: 6px 14px;
            background: var(--mk-bg-alt);
            color: var(--mk-text);
            border-radius: 16px;
            font-size: 0.82rem;
            font-weight: 500;
            margin: 3px 6px 3px 0;
            letter-spacing: 0.2px;
        }

        /* CTA */
        .mk-cta-section {
            background: var(--mk-bg-dark);
            color: #fff;
            padding: 56px 0;
            text-align: center;
            border-radius: var(--mk-radius-xl);
            margin: 0 24px 64px;
            position: relative;
            overflow: hidden;
        }
        .mk-cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(201, 169, 110, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }
        .mk-cta-section h3 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .mk-cta-section p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 22px;
            position: relative;
            z-index: 1;
            font-size: 1rem;
        }
        .mk-cta-section .btn-mk-primary {
            position: relative;
            z-index: 1;
            font-size: 1rem;
            padding: 12px 28px;
        }

        /* Footer */
        .mk-footer {
            background: var(--mk-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 52px 0 28px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            font-size: 0.88rem;
        }
        .footer-col-title {
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            font-size: 0.95rem;
            letter-spacing: 0.1px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 7px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--mk-transition);
            font-size: 0.88rem;
        }
        .footer-links a:hover {
            color: var(--mk-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.82rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .mk-nav-entries {
                gap: 3px;
            }
            .nav-card-btn {
                padding: 7px 10px;
                font-size: 0.8rem;
                gap: 3px;
            }
            .nav-icon {
                font-size: 0.7rem;
            }
            .mk-nav-cta .btn-mk-primary {
                padding: 8px 14px;
                font-size: 0.8rem;
                gap: 4px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .mk-cta-section {
                margin: 0 12px 48px;
                border-radius: var(--mk-radius-lg);
                padding: 44px 20px;
            }
            .mk-cta-section h3 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 768px) {
            .mk-nav-panel {
                flex-wrap: wrap;
                gap: 8px;
                padding: 8px 0;
            }
            .mk-nav-entries {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                flex-wrap: nowrap;
                gap: 4px;
                padding-bottom: 4px;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .mk-nav-entries::-webkit-scrollbar {
                display: none;
            }
            .nav-card-btn {
                flex-shrink: 0;
                font-size: 0.78rem;
                padding: 7px 12px;
            }
            .mk-nav-cta {
                order: 2;
            }
            .mk-logo {
                order: 1;
            }
            .page-banner {
                padding: 44px 0 36px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
            .craft-card-body {
                padding: 16px;
            }
            .craft-card-body h3 {
                font-size: 1rem;
            }
            .material-highlight {
                flex-direction: column;
            }
            .material-highlight-img {
                flex: none;
                width: 100%;
                aspect-ratio: 16 / 10;
                min-width: auto;
            }
            .material-highlight-body {
                flex: none;
                width: 100%;
                min-width: auto;
                padding: 24px 20px;
            }
            .material-highlight-body h3 {
                font-size: 1.2rem;
            }
            .step-card {
                padding: 22px 16px;
            }
            .info-block {
                padding: 22px 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .mk-section {
                padding: 40px 0;
            }
            .mk-section-sm {
                padding: 28px 0;
            }
            .mk-cta-section {
                margin: 0 8px 36px;
                padding: 32px 16px;
                border-radius: var(--mk-radius);
            }
            .mk-cta-section h3 {
                font-size: 1.2rem;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.35rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .nav-card-btn {
                font-size: 0.72rem;
                padding: 6px 9px;
            }
            .btn-mk-primary,
            .btn-mk-outline,
            .btn-mk-accent-outline {
                font-size: 0.8rem;
                padding: 8px 16px;
            }
            .craft-card-img {
                aspect-ratio: 4 / 3;
            }
        }

/* roulang page: category4 */
:root {
            --mk-primary: #1a1a1f;
            --mk-accent: #c8a05a;
            --mk-accent-light: #e0c88e;
            --mk-accent-dark: #a07830;
            --mk-bg: #fafaf8;
            --mk-bg-warm: #f5f2ec;
            --mk-bg-dark: #1a1a1f;
            --mk-bg-card: #ffffff;
            --mk-text: #2c2c30;
            --mk-text-soft: #6b6b72;
            --mk-text-light: #9a9aa0;
            --mk-border: #e6e4de;
            --mk-border-light: #f0eee9;
            --mk-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --mk-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --mk-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
            --mk-shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.10);
            --mk-radius-sm: 6px;
            --mk-radius: 10px;
            --mk-radius-lg: 16px;
            --mk-radius-xl: 20px;
            --mk-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'PingFang SC', 'Noto Sans SC', 'Helvetica Neue', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            line-height: 1.65;
            color: var(--mk-text);
            background-color: var(--mk-bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--mk-transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1400px) {
            .container-custom {
                max-width: 1280px;
            }
        }

        /* ===== Header ===== */
        .mk-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--mk-border-light);
            box-shadow: var(--mk-shadow-sm);
            transition: box-shadow var(--mk-transition);
        }

        .mk-header.scrolled {
            box-shadow: var(--mk-shadow-md);
        }

        .mk-nav-panel {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: nowrap;
            padding: 6px 0;
            min-height: 54px;
        }

        .mk-logo {
            display: flex;
            align-items: center;
            gap: 9px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--mk-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--mk-transition);
        }

        .mk-logo:hover {
            opacity: 0.8;
            color: var(--mk-primary);
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--mk-primary);
            color: #fff;
            font-weight: 800;
            font-size: 0.8rem;
            letter-spacing: 0.02em;
            border-radius: var(--mk-radius-sm);
            flex-shrink: 0;
        }

        .mk-nav-entries {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 2px 4px;
            flex: 1;
            justify-content: center;
        }

        .mk-nav-entries::-webkit-scrollbar {
            display: none;
        }

        .nav-card-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--mk-radius);
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--mk-text-soft);
            background: transparent;
            border: 1px solid transparent;
            white-space: nowrap;
            transition: all var(--mk-transition);
            cursor: pointer;
            letter-spacing: 0.01em;
            flex-shrink: 0;
        }

        .nav-card-btn:hover {
            color: var(--mk-primary);
            background: var(--mk-bg-warm);
            border-color: var(--mk-border);
        }

        .nav-card-btn.active {
            color: #fff;
            background: var(--mk-primary);
            border-color: var(--mk-primary);
            font-weight: 600;
            box-shadow: var(--mk-shadow-sm);
        }

        .nav-card-btn .nav-icon {
            font-size: 0.8rem;
            opacity: 0.7;
        }

        .nav-card-btn.active .nav-icon {
            opacity: 1;
            color: var(--mk-accent-light);
        }

        .mk-nav-cta {
            flex-shrink: 0;
        }

        .btn-mk-primary {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 18px;
            border-radius: var(--mk-radius);
            font-weight: 600;
            font-size: 0.875rem;
            letter-spacing: 0.01em;
            background: var(--mk-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--mk-transition);
            box-shadow: 0 2px 8px rgba(200, 160, 90, 0.25);
        }

        .btn-mk-primary:hover {
            background: var(--mk-accent-dark);
            color: #fff;
            box-shadow: 0 4px 16px rgba(200, 160, 90, 0.35);
            transform: translateY(-1px);
        }

        .btn-mk-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(200, 160, 90, 0.3);
        }

        .btn-mk-outline {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 18px;
            border-radius: var(--mk-radius);
            font-weight: 600;
            font-size: 0.875rem;
            letter-spacing: 0.01em;
            background: transparent;
            color: var(--mk-primary);
            border: 1.5px solid var(--mk-primary);
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--mk-transition);
        }

        .btn-mk-outline:hover {
            background: var(--mk-primary);
            color: #fff;
            border-color: var(--mk-primary);
        }

        .btn-mk-light {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 18px;
            border-radius: var(--mk-radius);
            font-weight: 600;
            font-size: 0.875rem;
            letter-spacing: 0.01em;
            background: #fff;
            color: var(--mk-primary);
            border: 1px solid var(--mk-border);
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--mk-transition);
        }

        .btn-mk-light:hover {
            background: var(--mk-bg-warm);
            border-color: var(--mk-accent);
            color: var(--mk-accent-dark);
        }

        /* 移动端导航 */
        .mk-mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--mk-primary);
            cursor: pointer;
            padding: 6px;
            line-height: 1;
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .mk-nav-entries {
                gap: 3px;
            }
            .nav-card-btn {
                padding: 7px 10px;
                font-size: 0.8rem;
                gap: 4px;
                border-radius: var(--mk-radius-sm);
            }
            .nav-card-btn .nav-icon {
                font-size: 0.7rem;
            }
            .btn-mk-primary {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .mk-nav-panel {
                flex-wrap: wrap;
                gap: 8px;
                padding: 8px 0;
            }
            .mk-nav-entries {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                gap: 5px;
                padding: 4px 0;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .nav-card-btn {
                font-size: 0.78rem;
                padding: 6px 10px;
                border-radius: var(--mk-radius-sm);
            }
            .mk-nav-cta {
                order: 2;
                margin-left: auto;
            }
            .mk-logo {
                order: 1;
            }
            .mk-mobile-toggle {
                display: none;
            }
            .btn-mk-primary {
                padding: 7px 12px;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .mk-nav-panel {
                gap: 6px;
            }
            .mk-logo {
                font-size: 1.1rem;
                gap: 6px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.7rem;
            }
            .nav-card-btn {
                font-size: 0.72rem;
                padding: 5px 8px;
                gap: 3px;
                border-radius: 5px;
            }
            .nav-card-btn .nav-icon {
                font-size: 0.65rem;
            }
            .btn-mk-primary {
                padding: 6px 10px;
                font-size: 0.72rem;
                gap: 4px;
            }
        }

        /* ===== 页面Banner ===== */
        .page-banner {
            position: relative;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            padding: 70px 0 60px;
            min-height: 280px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 31, 0.78) 0%, rgba(26, 26, 31, 0.5) 50%, rgba(26, 26, 31, 0.35) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            color: #fff;
        }

        .page-banner .banner-eyebrow {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--mk-accent-light);
            margin-bottom: 10px;
            background: rgba(255, 255, 255, 0.1);
            padding: 4px 12px;
            border-radius: 20px;
        }

        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
            line-height: 1.2;
        }

        .page-banner .banner-sub {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 540px;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 50px 0 40px;
                min-height: 220px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .banner-sub {
                font-size: 0.9rem;
            }
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 60px 0;
        }

        .section-block.section-alt {
            background: var(--mk-bg-warm);
        }

        .section-block.section-dark {
            background: var(--mk-bg-dark);
            color: #fff;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header .section-eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            color: var(--mk-accent);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 8px;
            color: inherit;
        }

        .section-header .section-desc {
            font-size: 0.95rem;
            color: var(--mk-text-soft);
            max-width: 560px;
            margin: 0 auto;
        }

        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.65);
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

        /* ===== 会员等级卡片 ===== */
        .tier-card {
            background: var(--mk-bg-card);
            border-radius: var(--mk-radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--mk-border-light);
            box-shadow: var(--mk-shadow-sm);
            transition: all var(--mk-transition);
            height: 100%;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .tier-card:hover {
            box-shadow: var(--mk-shadow-lg);
            transform: translateY(-3px);
            border-color: var(--mk-accent-light);
        }

        .tier-card.tier-premium {
            border-color: var(--mk-accent);
            box-shadow: var(--mk-shadow-md), 0 0 0 1px rgba(200, 160, 90, 0.15);
            background: linear-gradient(180deg, #fffefa 0%, #fff 40%);
        }

        .tier-badge {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }

        .tier-badge.badge-silver {
            background: #f0f0f3;
            color: #6b6b72;
        }
        .tier-badge.badge-gold {
            background: #fdf3e0;
            color: #a07830;
        }
        .tier-badge.badge-platinum {
            background: #1a1a1f;
            color: #e0c88e;
        }

        .tier-icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.6rem;
            background: var(--mk-bg-warm);
            color: var(--mk-primary);
        }

        .tier-card.tier-premium .tier-icon-wrap {
            background: linear-gradient(135deg, #1a1a1f 0%, #2c2c30 100%);
            color: var(--mk-accent-light);
            box-shadow: 0 4px 20px rgba(26, 26, 31, 0.2);
        }

        .tier-name {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--mk-primary);
        }

        .tier-card .tier-condition {
            font-size: 0.82rem;
            color: var(--mk-text-soft);
            margin-bottom: 14px;
        }

        .tier-features {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
            text-align: left;
        }

        .tier-features li {
            padding: 5px 0;
            font-size: 0.85rem;
            color: var(--mk-text);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.4;
        }

        .tier-features li i {
            color: var(--mk-accent);
            font-size: 0.7rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .tier-card.tier-premium .tier-features li i {
            color: var(--mk-accent-dark);
        }

        /* ===== 权益卡片 ===== */
        .benefit-card {
            background: var(--mk-bg-card);
            border-radius: var(--mk-radius-lg);
            padding: 24px 20px;
            border: 1px solid var(--mk-border-light);
            box-shadow: var(--mk-shadow-sm);
            transition: all var(--mk-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
        }

        .benefit-card:hover {
            box-shadow: var(--mk-shadow-md);
            transform: translateY(-2px);
        }

        .benefit-icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            background: var(--mk-bg-warm);
            color: var(--mk-accent-dark);
            flex-shrink: 0;
        }

        .benefit-card h4 {
            font-size: 1rem;
            font-weight: 600;
            margin: 0;
            color: var(--mk-primary);
        }

        .benefit-card p {
            font-size: 0.85rem;
            color: var(--mk-text-soft);
            margin: 0;
            line-height: 1.5;
        }

        /* ===== 积分说明 ===== */
        .points-table-wrap {
            overflow-x: auto;
            border-radius: var(--mk-radius-lg);
            border: 1px solid var(--mk-border-light);
            box-shadow: var(--mk-shadow-sm);
        }

        .points-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
            font-size: 0.9rem;
        }

        .points-table thead th {
            background: var(--mk-bg-dark);
            color: #fff;
            padding: 14px 16px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            text-align: center;
            border: none;
        }

        .points-table tbody td {
            padding: 12px 16px;
            text-align: center;
            border-bottom: 1px solid var(--mk-border-light);
            color: var(--mk-text);
            background: #fff;
        }

        .points-table tbody tr:last-child td {
            border-bottom: none;
        }

        .points-table tbody tr:hover td {
            background: var(--mk-bg-warm);
        }

        .points-highlight {
            font-weight: 700;
            color: var(--mk-accent-dark);
            font-size: 1.05rem;
        }

        /* ===== 服务流程 ===== */
        .service-step {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px 0;
            border-bottom: 1px solid var(--mk-border-light);
        }

        .service-step:last-child {
            border-bottom: none;
        }

        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--mk-primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .step-content h4 {
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 4px;
            color: var(--mk-primary);
        }

        .step-content p {
            font-size: 0.85rem;
            color: var(--mk-text-soft);
            margin: 0;
            line-height: 1.5;
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--mk-border-light);
            border-radius: var(--mk-radius);
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--mk-shadow-sm);
        }

        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--mk-primary);
            background: #fff;
            padding: 16px 20px;
            box-shadow: none;
            border: none;
            transition: all var(--mk-transition);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--mk-bg-warm);
            color: var(--mk-primary);
            box-shadow: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(200, 160, 90, 0.2);
            border-color: var(--mk-accent-light);
        }

        .faq-accordion .accordion-button::after {
            background-size: 16px;
            transition: transform var(--mk-transition);
        }

        .faq-accordion .accordion-body {
            font-size: 0.88rem;
            color: var(--mk-text-soft);
            padding: 16px 20px 20px;
            line-height: 1.6;
        }

        /* ===== CTA区块 ===== */
        .cta-block {
            background: var(--mk-bg-dark);
            border-radius: var(--mk-radius-xl);
            padding: 50px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 160, 90, 0.12);
            pointer-events: none;
        }

        .cta-block h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-block p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-block .btn-mk-primary {
            position: relative;
            z-index: 1;
            font-size: 1rem;
            padding: 12px 28px;
            border-radius: var(--mk-radius);
        }

        @media (max-width: 768px) {
            .cta-block {
                padding: 36px 20px;
                border-radius: var(--mk-radius-lg);
            }
            .cta-block h3 {
                font-size: 1.4rem;
            }
        }

        /* ===== 图文区块 ===== */
        .img-card {
            border-radius: var(--mk-radius-lg);
            overflow: hidden;
            box-shadow: var(--mk-shadow-md);
        }

        .img-card img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }

        /* ===== Footer ===== */
        .mk-footer {
            background: var(--mk-bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            font-size: 0.85rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .footer-desc {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.6;
            margin: 0;
        }

        .footer-col-title {
            font-weight: 600;
            color: #fff;
            font-size: 0.85rem;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 6px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.82rem;
            transition: color var(--mk-transition);
        }

        .footer-links a:hover {
            color: var(--mk-accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            text-align: center;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom p {
            margin: 0;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-grid>div:first-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .mk-footer {
                padding: 36px 0 20px;
            }
        }

        /* ===== 通用工具 ===== */
        .text-accent {
            color: var(--mk-accent);
        }
        .text-soft {
            color: var(--mk-text-soft);
        }
        .fw-600 {
            font-weight: 600;
        }
        .fw-700 {
            font-weight: 700;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .gap-row-24 {
            row-gap: 24px;
        }

        /* Bootstrap 覆盖 */
        .btn {
            border-radius: var(--mk-radius);
            font-weight: 600;
            letter-spacing: 0.01em;
            transition: all var(--mk-transition);
        }
        .btn:focus {
            box-shadow: 0 0 0 3px rgba(200, 160, 90, 0.25);
        }
        .accordion-button:not(.collapsed) {
            background-color: var(--mk-bg-warm);
        }

/* roulang page: category2 */
:root {
      --mk-primary: #1a1a1a;
      --mk-accent: #c5a47e;
      --mk-accent-hover: #a8865c;
      --mk-bg: #fcfcfc;
      --mk-surface: #ffffff;
      --mk-text: #1a1a1a;
      --mk-text-muted: #6c757d;
      --mk-border: #dee2e6;
      --mk-border-light: #e9ecef;
      --mk-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
      --mk-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
      --mk-shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.08);
      --mk-radius: 12px;
      --mk-radius-sm: 8px;
      --mk-radius-lg: 16px;
      --mk-transition: 0.2s ease-in-out;
      --container-max-width: 1280px;
    }

    * {
      box-sizing: border-box;
    }

    body {
      font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
      background-color: var(--mk-bg);
      color: var(--mk-text);
      line-height: 1.6;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--mk-transition);
    }

    a:hover {
      color: var(--mk-accent);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    .container-custom {
      max-width: var(--container-max-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* Header & Navbar */
    .mk-header {
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      position: sticky;
      top: 0;
      z-index: 1020;
      border-bottom: 1px solid var(--mk-border-light);
      padding: 0;
    }

    .mk-nav-panel {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 12px 0;
      flex-wrap: wrap;
    }

    .mk-logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 700;
      font-size: 1.4rem;
      color: var(--mk-primary);
      text-decoration: none;
      letter-spacing: -0.5px;
    }

    .mk-logo:hover {
      color: var(--mk-primary);
      opacity: 0.9;
    }

    .logo-icon {
      background: var(--mk-primary);
      color: #fff;
      width: 36px;
      height: 36px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      font-size: 0.9rem;
      font-weight: 800;
    }

    .mk-nav-entries {
      display: flex;
      align-items: center;
      gap: 8px;
      background: var(--mk-surface);
      padding: 6px;
      border-radius: var(--mk-radius);
      border: 1px solid var(--mk-border-light);
      box-shadow: var(--mk-shadow-sm);
    }

    .nav-card-btn {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 10px 18px;
      border-radius: var(--mk-radius-sm);
      font-weight: 500;
      font-size: 0.95rem;
      color: var(--mk-text-muted);
      background: transparent;
      transition: all var(--mk-transition);
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .nav-card-btn:hover {
      background: #f8f9fa;
      color: var(--mk-primary);
      border-color: var(--mk-border-light);
    }

    .nav-card-btn.active {
      background: var(--mk-primary);
      color: #fff;
      border-color: var(--mk-primary);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    .nav-icon {
      font-size: 0.9rem;
      opacity: 0.8;
    }

    .btn-mk-primary {
      background: var(--mk-accent);
      color: #fff;
      border: none;
      padding: 10px 22px;
      border-radius: 30px;
      font-weight: 600;
      font-size: 0.95rem;
      transition: all var(--mk-transition);
      box-shadow: 0 4px 10px rgba(197, 164, 126, 0.3);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .btn-mk-primary:hover {
      background: var(--mk-accent-hover);
      color: #fff;
      box-shadow: 0 6px 14px rgba(197, 164, 126, 0.4);
      transform: translateY(-1px);
    }

    .btn-mk-outline {
      background: transparent;
      color: var(--mk-primary);
      border: 1.5px solid var(--mk-border);
      padding: 10px 22px;
      border-radius: 30px;
      font-weight: 600;
      font-size: 0.95rem;
      transition: all var(--mk-transition);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .btn-mk-outline:hover {
      border-color: var(--mk-primary);
      background: #f8f9fa;
      color: var(--mk-primary);
    }

    /* Mobile Nav Toggle */
    .navbar-toggler-mk {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--mk-primary);
      padding: 8px;
    }

    @media (max-width: 991.98px) {
      .mk-nav-panel {
        flex-wrap: wrap;
      }
      .mk-nav-entries {
        width: 100%;
        order: 3;
        flex-direction: column;
        gap: 4px;
        display: none;
        margin-top: 12px;
      }
      .mk-nav-entries.show {
        display: flex;
      }
      .navbar-toggler-mk {
        display: block;
        margin-left: auto;
      }
      .mk-nav-cta {
        order: 2;
        margin-left: auto;
        margin-right: 12px;
      }
    }

    @media (max-width: 575.98px) {
      .mk-nav-cta .btn-mk-primary {
        padding: 8px 16px;
        font-size: 0.85rem;
      }
      .container-custom {
        padding-left: 16px;
        padding-right: 16px;
      }
    }

    /* Page Specific Styles */
    .page-hero {
      background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
      color: #fff;
      padding: 80px 0;
      position: relative;
      overflow: hidden;
    }
    
    .page-hero::before {
      content: '';
      position: absolute;
      top: 0;
      right: 0;
      width: 50%;
      height: 100%;
      background: url('assets/images/coverpic/cover-1.webp') no-repeat center right;
      background-size: cover;
      opacity: 0.15;
      mask-image: linear-gradient(to left, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
      -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
    }

    .breadcrumb-bg {
      background: transparent;
      padding: 0;
      margin-bottom: 24px;
    }

    .breadcrumb-item a {
      color: rgba(255, 255, 255, 0.7);
    }
    .breadcrumb-item.active {
      color: var(--mk-accent);
    }
    .breadcrumb-item + .breadcrumb-item::before {
      color: rgba(255, 255, 255, 0.4);
    }

    .section-title {
      font-weight: 700;
      letter-spacing: -0.5px;
      margin-bottom: 16px;
      position: relative;
    }

    .section-subtitle {
      color: var(--mk-text-muted);
      font-size: 1.1rem;
      margin-bottom: 40px;
      max-width: 600px;
    }

    /* Category Cards */
    .cat-card {
      border: none;
      border-radius: var(--mk-radius-lg);
      overflow: hidden;
      background: var(--mk-surface);
      transition: all var(--mk-transition);
      box-shadow: var(--mk-shadow);
      height: 100%;
      cursor: pointer;
    }
    .cat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--mk-shadow-lg);
    }
    .cat-card-img {
      height: 200px;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .cat-card:hover .cat-card-img {
      transform: scale(1.05);
    }
    .cat-card-body {
      padding: 24px;
    }
    .cat-card-title {
      font-weight: 700;
      font-size: 1.25rem;
      margin-bottom: 8px;
    }

    /* Product Showcase */
    .product-card {
      border: none;
      border-radius: var(--mk-radius);
      background: var(--mk-surface);
      box-shadow: var(--mk-shadow);
      transition: all var(--mk-transition);
      height: 100%;
      position: relative;
      overflow: hidden;
    }
    .product-card:hover {
      box-shadow: var(--mk-shadow-lg);
      transform: translateY(-2px);
    }
    .product-badge {
      position: absolute;
      top: 16px;
      left: 16px;
      z-index: 2;
      background: var(--mk-primary);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 600;
      padding: 6px 12px;
      border-radius: 4px;
      letter-spacing: 0.5px;
    }
    .product-card-img {
      height: 260px;
      object-fit: cover;
    }
    .product-card-body {
      padding: 20px;
    }
    .product-title {
      font-weight: 700;
      margin-bottom: 8px;
    }
    .product-price {
      font-weight: 600;
      color: var(--mk-accent);
      font-size: 1.1rem;
    }

    /* Hot List */
    .hot-list-item {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 16px 0;
      border-bottom: 1px solid var(--mk-border-light);
    }
    .hot-list-item:last-child {
      border-bottom: none;
    }
    .hot-rank {
      font-weight: 800;
      font-size: 1.5rem;
      color: var(--mk-accent);
      min-width: 40px;
    }
    .hot-thumb {
      width: 60px;
      height: 60px;
      border-radius: var(--mk-radius-sm);
      object-fit: cover;
    }
    .hot-info {
      flex: 1;
    }
    .hot-title {
      font-weight: 600;
      margin-bottom: 4px;
    }
    .hot-meta {
      font-size: 0.85rem;
      color: var(--mk-text-muted);
    }

    /* FAQ */
    .accordion-button:not(.collapsed) {
      background: var(--mk-surface);
      color: var(--mk-primary);
      box-shadow: none;
      font-weight: 600;
    }
    .accordion-button:focus {
      border-color: var(--mk-accent);
      box-shadow: 0 0 0 0.2rem rgba(197, 164, 126, 0.25);
    }
    .accordion-item {
      border: 1px solid var(--mk-border-light);
      border-radius: var(--mk-radius-sm) !important;
      margin-bottom: 12px;
    }

    /* CTA Section */
    .cta-section {
      background: var(--mk-primary);
      color: #fff;
      padding: 80px 0;
      border-radius: var(--mk-radius-lg);
      margin: 80px 0;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .cta-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: url('assets/images/coverpic/cover-5.webp') center/cover no-repeat;
      opacity: 0.1;
      mix-blend-mode: overlay;
    }

    /* Footer */
    .mk-footer {
      background: var(--mk-primary);
      color: rgba(255, 255, 255, 0.7);
      padding: 60px 0 30px;
      font-size: 0.9rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand {
      font-size: 1.5rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
    }
    .footer-desc {
      line-height: 1.7;
    }
    .footer-col-title {
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
      font-size: 1rem;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 8px;
    }
    .footer-links a {
      color: rgba(255, 255, 255, 0.6);
      text-decoration: none;
      transition: color var(--mk-transition);
    }
    .footer-links a:hover {
      color: var(--mk-accent);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      text-align: center;
      color: rgba(255, 255, 255, 0.5);
    }

    @media (max-width: 767.98px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
      .page-hero {
        padding: 60px 0;
      }
      .page-hero h1 {
        font-size: 2rem;
      }
      .hot-thumb {
        width: 48px;
        height: 48px;
      }
    }

    @media (max-width: 575.98px) {
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .product-card-img {
        height: 220px;
      }
    }