/* roulang page: index */
:root {
    --primary: #2C4A46;
    --primary-dark: #1F3A36;
    --brass: #B98A4E;
    --accent: #C05B3C;
    --bg-cream: #FAF7F2;
    --surface: #FFFFFF;
    --ink: #1F1A16;
    --text-secondary: #5B5650;
    --border: #E8E0D4;
}
* {
    box-sizing: border-box;
    outline-color: #2C4A46;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    font-family: 'Noto Sans SC', sans-serif;
    background: var(--bg-cream);
    color: var(--ink);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease, background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
img {
    max-width: 100%;
    display: block;
}
.container-site {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0 1rem;
}
@media (min-width: 640px) {
    .container-site {
        padding: 0 1.5rem;
    }
}
@media (min-width: 1024px) {
    .container-site {
        padding: 0 2rem;
    }
}
h1,
h2,
h3,
h4,
.font-serif {
    font-family: 'Noto Serif SC', serif;
}
h1 {
    font-size: clamp(2rem, 5vw, 3.25rem);
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.01em;
}
h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 600;
    line-height: 1.3;
}
h3 {
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.4;
}
.section-title {
    position: relative;
    padding-bottom: 0.75rem;
    margin-bottom: 2rem;
}
.section-title::after {
    content: '';
    display: block;
    width: 2.5rem;
    height: 2px;
    background: var(--brass);
    margin-top: 0.5rem;
    border-radius: 9999px;
}
.section-title-center::after {
    margin-left: auto;
    margin-right: auto;
}
.nav-tabs-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.nav-tabs-scroll::-webkit-scrollbar {
    display: none;
}
.nav-tab {
    display: inline-flex;
    align-items: center;
    height: 2.25rem;
    padding: 0 1.25rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--ink);
    background: transparent;
    border: 1px solid transparent;
    white-space: nowrap;
    transition: all 0.3s ease;
}
.nav-tab:hover {
    background: var(--bg-cream);
    color: var(--primary);
}
.nav-tab.active {
    background: var(--primary);
    color: #fff;
    font-weight: 500;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    height: 2.75rem;
    padding: 0 1.75rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    background: var(--accent);
    color: #fff;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}
.btn-primary:hover {
    background: #A94E32;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(192, 91, 60, 0.25);
}
.btn-primary:active {
    transform: translateY(0);
    box-shadow: none;
}
.btn-primary:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    height: 2.75rem;
    padding: 0 1.75rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    background: #fff;
    color: var(--ink);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.3s ease;
}
.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}
.btn-secondary:active {
    transform: translateY(0);
}
.btn-primary.btn-sm,
.btn-secondary.btn-sm {
    height: 2.5rem;
    padding: 0 1.25rem;
    font-size: 0.8125rem;
}
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.7rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    background: rgba(185, 138, 78, 0.14);
    color: #8A6534;
    line-height: 1.4;
    white-space: nowrap;
}
.badge-brass {
    background: rgba(185, 138, 78, 0.14);
    color: #8A6534;
}
.card-hover {
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: #fff;
    box-shadow: 0 2px 8px rgba(31, 26, 22, 0.04);
    transition: all 0.3s ease;
    overflow: hidden;
}
.card-hover:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 24px rgba(31, 26, 22, 0.08);
    transform: translateY(-3px);
}
.aspect-16x9 {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--bg-cream);
}
.aspect-16x9 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.card-hover:hover .aspect-16x9 img {
    transform: scale(1.03);
}
.arrow-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary);
    transition: gap 0.3s ease;
}
.arrow-link:hover {
    gap: 0.65rem;
    color: var(--accent);
}
.vertical-card {
    border-left: 3px solid var(--primary);
    background: #fff;
    border-radius: 0.5rem;
    padding: 2rem;
    border: 1px solid var(--border);
    border-left-width: 3px;
    transition: all 0.3s ease;
}
.vertical-card:hover {
    border-left-color: var(--accent);
    box-shadow: 0 8px 24px rgba(31, 26, 22, 0.08);
    transform: translateY(-3px);
}
.vertical-card .icon-wrap {
    width: 3rem;
    height: 3rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(44, 74, 70, 0.08);
    color: var(--primary);
    margin-bottom: 1.25rem;
    transition: all 0.3s ease;
}
.vertical-card:hover .icon-wrap {
    background: rgba(192, 91, 60, 0.12);
    color: var(--accent);
    transform: translateY(-2px);
}
.faq-item {
    border-bottom: 1px solid var(--border);
    transition: background 0.3s ease;
}
.faq-item:first-child {
    border-top: 1px solid var(--border);
}
.faq-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 0;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    font: inherit;
    color: var(--ink);
    transition: color 0.3s ease;
}
.faq-toggle:hover {
    color: var(--primary);
}
.faq-toggle .fa-chevron-down {
    transition: transform 0.3s ease;
    color: var(--brass);
    font-size: 0.875rem;
}
.faq-item.open .fa-chevron-down {
    transform: rotate(180deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}
.faq-item.open .faq-answer {
    max-height: 500px;
}
.faq-answer-inner {
    padding: 0 0 1.5rem 2.25rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.8;
}
.point-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.point-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.65rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}
.point-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--brass);
}
.stat-number {
    font-family: 'Noto Serif SC', serif;
    font-weight: 700;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--brass);
    line-height: 1.1;
}
.logo-strip {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 2rem 3rem;
    filter: grayscale(1);
    opacity: 0.55;
    transition: all 0.4s ease;
}
.logo-strip:hover {
    filter: grayscale(0);
    opacity: 1;
}
.logo-strip .logo-item {
    font-family: 'Noto Serif SC', serif;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: #4A4A42;
    white-space: nowrap;
}
blockquote.great-quote {
    border-left: 4px solid var(--brass);
    padding: 1rem 1.5rem;
    margin: 0;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 0 0.5rem 0.5rem 0;
}
blockquote.great-quote p {
    font-family: 'Noto Serif SC', serif;
    font-style: italic;
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--ink);
    margin: 0 0 0.5rem;
}
blockquote.great-quote cite {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-style: normal;
}
footer.site-footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.85);
}
footer.site-footer a {
    color: rgba(255, 255, 255, 0.75);
}
footer.site-footer a:hover {
    color: var(--brass);
}
.mobile-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 40;
    background: #fff;
    border-top: 1px solid var(--border);
    height: 4.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1rem 0 1rem;
    padding-bottom: env(safe-area-inset-bottom);
    box-shadow: 0 -4px 16px rgba(31, 26, 22, 0.06);
}
@media (min-width: 1024px) {
    .mobile-bottom-bar {
        display: none;
    }
}
@media (max-width: 1023px) {
    body {
        padding-bottom: 4.5rem;
    }
}
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.hero-visual-frame {
    border-radius: 0.75rem;
    border: 4px solid var(--brass);
    box-shadow: 0 12px 32px rgba(31, 26, 22, 0.12);
    overflow: hidden;
}
.section-divider {
    border: 0;
    border-top: 1px solid var(--border);
    margin: 0;
}
input,
textarea,
select {
    font: inherit;
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    height: 2.75rem;
    padding: 0 1rem;
    background: #fff;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
}
input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(44, 74, 70, 0.15);
}
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* roulang page: category1 */
:root {
            --primary: #2C4A46;
            --primary-dark: #1F3A36;
            --brass: #B98A4E;
            --accent: #C05B3C;
            --accent-dark: #A94E32;
            --bg-cream: #FAF7F2;
            --surface: #FFFFFF;
            --ink: #1F1A16;
            --text-secondary: #5B5650;
            --border: #E8E0D4;
            --shadow-sm: 0 1px 3px rgba(31, 26, 22, 0.06);
            --shadow-md: 0 6px 18px rgba(31, 26, 22, 0.08);
            --shadow-lg: 0 12px 32px rgba(31, 26, 22, 0.10);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Noto Sans SC', system-ui, sans-serif;
            background-color: var(--bg-cream);
            color: var(--ink);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease-out, border-color 0.3s ease-out, background-color 0.3s ease-out, transform 0.3s ease-out, box-shadow 0.3s ease-out;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5 {
            font-family: 'Noto Serif SC', serif;
            line-height: 1.3;
            color: var(--ink);
        }

        .container-site {
            max-width: 80rem;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 640px) {
            .container-site {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-site {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .nav-tabs-scroll {
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-tabs-scroll::-webkit-scrollbar {
            display: none;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.375rem;
            padding: 0.5rem 1.25rem;
            border-radius: 9999px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--ink);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all 0.3s ease-out;
        }

        .nav-tab:hover {
            background-color: var(--bg-cream);
            color: var(--primary);
        }

        .nav-tab.active {
            background-color: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background-color: var(--accent);
            color: #fff;
            font-weight: 500;
            border-radius: 0.375rem;
            padding: 0 1.5rem;
            height: 2.75rem;
            font-size: 0.9375rem;
            transition: all 0.3s ease-out;
            box-shadow: 0 2px 6px rgba(192, 91, 60, 0.2);
        }

        .btn-primary:hover {
            background-color: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(192, 91, 60, 0.3);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 4px rgba(192, 91, 60, 0.2);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(192, 91, 60, 0.35);
            outline-offset: 2px;
        }

        .btn-primary.btn-sm {
            height: 2.5rem;
            padding: 0 1.25rem;
            font-size: 0.875rem;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background-color: #fff;
            color: var(--ink);
            font-weight: 500;
            border-radius: 0.375rem;
            padding: 0 1.5rem;
            height: 2.75rem;
            font-size: 0.9375rem;
            border: 1px solid var(--border);
            transition: all 0.3s ease-out;
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-outline:focus-visible {
            outline: 3px solid rgba(44, 74, 70, 0.2);
            outline-offset: 2px;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8125rem;
            font-weight: 500;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--brass);
        }

        .section-title {
            font-family: 'Noto Serif SC', serif;
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 600;
            line-height: 1.3;
            color: var(--ink);
            margin-bottom: 0.75rem;
        }

        .card {
            background-color: #fff;
            border: 1px solid var(--border);
            border-radius: 0.5rem;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease-out;
        }

        .card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .feature-card {
            position: relative;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 0.5rem;
            padding: 1.75rem 1.5rem;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease-out;
            border-left: 3px solid var(--primary);
        }

        .feature-card:hover {
            border-left-color: var(--accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .feature-card:hover .feature-icon {
            transform: translateY(-3px);
            color: var(--accent);
        }

        .feature-icon {
            width: 2.75rem;
            height: 2.75rem;
            border-radius: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: rgba(44, 74, 70, 0.08);
            color: var(--primary);
            transition: all 0.3s ease-out;
        }

        .list-dot {
            display: flex;
            align-items: flex-start;
            gap: 0.625rem;
            font-size: 0.9375rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .list-dot::before {
            content: '';
            flex-shrink: 0;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background-color: var(--brass);
            margin-top: 0.65rem;
        }

        .step-card {
            position: relative;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 0.5rem;
            padding: 1.75rem 1.5rem;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease-out;
        }

        .step-card:hover {
            border-color: var(--brass);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .step-number {
            font-family: 'Noto Serif SC', serif;
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--brass);
            line-height: 1;
            margin-bottom: 0.75rem;
            display: block;
        }

        .cta-band {
            background-color: var(--primary-dark);
            border-radius: 1rem;
            position: relative;
            overflow: hidden;
            padding: 2.5rem 2rem;
        }

        .cta-band::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(185, 138, 78, 0.18);
        }

        .cta-band::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: 30%;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }

        .site-footer {
            background-color: var(--primary-dark);
            color: #fff;
            margin-top: 4rem;
        }

        .site-footer a {
            color: rgba(255, 255, 255, 0.7);
        }

        .site-footer a:hover {
            color: var(--brass);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1.25rem 0;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .hero-category {
            background-image: linear-gradient(to right, rgba(250, 247, 242, 0.97) 0%, rgba(250, 247, 242, 0.82) 55%, rgba(250, 247, 242, 0.94) 100%), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
        }

        .scene-image {
            border-radius: 0.75rem;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            overflow: hidden;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            background-color: rgba(185, 138, 78, 0.15);
            color: #8a6b3f;
            font-size: 0.75rem;
            font-weight: 500;
            padding: 0.25rem 0.625rem;
            border-radius: 9999px;
        }

        .stat-block {
            text-align: center;
            padding: 1rem 0.5rem;
        }

        .stat-number {
            font-family: 'Noto Serif SC', serif;
            font-size: 1.875rem;
            font-weight: 700;
            color: var(--brass);
            line-height: 1.2;
        }

        @media (min-width: 768px) {
            .stat-block {
                padding: 1.25rem 1rem;
            }
        }

        @media (max-width: 640px) {
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }

            .cta-band {
                padding: 2rem 1.25rem;
                border-radius: 0.75rem;
            }

            .step-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 480px) {
            .section-title {
                font-size: 1.5rem;
            }

            .stat-number {
                font-size: 1.5rem;
            }
        }

        .focus\:ring-primary:focus {
            box-shadow: 0 0 0 3px rgba(44, 74, 70, 0.2);
        }

/* roulang page: article */
:root {
    --primary: #2C4A46;
    --primary-dark: #223A37;
    --brass: #B98A4E;
    --brass-light: #EBDCC8;
    --accent: #C05B3C;
    --accent-dark: #A84C30;
    --bg-cream: #FAF7F2;
    --surface: #FFFFFF;
    --ink: #1F1A16;
    --muted: #5B5650;
    --line: #E8E0D4;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --shadow-sm: 0 1px 2px rgba(31,26,22,0.06);
    --shadow-md: 0 8px 20px rgba(31,26,22,0.08);
    --font-serif: 'Noto Serif SC', serif;
    --font-sans: 'Noto Sans SC', ui-sans-serif, system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    background-color: var(--bg-cream);
    color: var(--ink);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color .3s ease-out; }
button { cursor: pointer; font-family: inherit; }

.container-site {
    max-width: 80rem;
    margin-inline: auto;
    padding-inline: 1rem;
}
@media (min-width: 640px) {
    .container-site { padding-inline: 1.5rem; }
}
@media (min-width: 1024px) {
    .container-site { padding-inline: 2rem; }
}

.bg-primary { background-color: var(--primary) !important; }
.bg-brass { background-color: var(--brass) !important; }
.bg-accent { background-color: var(--accent) !important; }
.bg-cream { background-color: var(--bg-cream) !important; }
.bg-cream-60 { background-color: rgba(250,247,242,0.6) !important; }
.bg-brass-20 { background-color: rgba(185,138,78,0.2) !important; }
.text-ink { color: var(--ink) !important; }
.text-muted { color: var(--muted) !important; }
.text-brass { color: var(--brass) !important; }
.text-primary { color: var(--primary) !important; }
.text-accent { color: var(--accent) !important; }
.text-line { color: var(--line) !important; }
.border-line { border-color: var(--line) !important; }
.hover\:text-brass:hover { color: var(--brass) !important; }
.hover\:text-primary:hover { color: var(--primary) !important; }
.hover\:bg-cream:hover { background-color: var(--bg-cream) !important; }
.font-serif { font-family: var(--font-serif) !important; }

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    height: 2.75rem;
    padding: 0 1.5rem;
    border-radius: .375rem;
    background-color: var(--accent);
    color: #fff;
    font-size: .9375rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all .3s ease-out;
}
.btn-primary:hover {
    background-color: var(--accent-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:focus-visible {
    outline: 3px solid rgba(192,91,60,.35);
    outline-offset: 2px;
}
.btn-sm { height: 2.5rem; padding: 0 1.25rem; font-size: .875rem; }
.btn-lg { height: 3.25rem; padding: 0 2rem; font-size: 1rem; }
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    height: 2.75rem;
    padding: 0 1.5rem;
    border-radius: .375rem;
    background: #fff;
    color: var(--ink);
    border: 1px solid var(--line);
    font-size: .9375rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all .3s ease-out;
}
.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
}
.btn-secondary:active { transform: translateY(0); }
.btn-secondary:focus-visible {
    outline: 3px solid rgba(44,74,70,.3);
    outline-offset: 2px;
}
.btn-ghost-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    height: 2.75rem;
    padding: 0 1.5rem;
    border-radius: .375rem;
    background: rgba(255,255,255,.08);
    color: #fff;
    border: 1px solid rgba(255,255,255,.3);
    font-size: .9375rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all .3s ease-out;
}
.btn-ghost-light:hover {
    border-color: var(--brass);
    color: var(--brass);
    background: rgba(255,255,255,.12);
    transform: translateY(-1px);
}
.btn-ghost-light:active { transform: translateY(0); }

.nav-tabs-scroll {
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.nav-tabs-scroll::-webkit-scrollbar { display: none; }
.nav-tab {
    display: inline-flex;
    align-items: center;
    padding: .45rem 1.25rem;
    border-radius: 9999px;
    font-size: .875rem;
    font-weight: 500;
    color: var(--ink);
    white-space: nowrap;
    transition: all .3s ease-out;
}
.nav-tab:hover {
    background-color: var(--bg-cream);
    color: var(--primary);
}
.nav-tab.active {
    background-color: var(--primary);
    color: #fff;
}

.breadcrumb-title {
    display: inline-block;
    max-width: 260px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: bottom;
}
@media (min-width: 768px) {
    .breadcrumb-title { max-width: 480px; }
}

.tag-chip {
    display: inline-flex;
    align-items: center;
    padding: .28rem .85rem;
    border-radius: 9999px;
    background: var(--brass-light);
    color: #8A6A3D;
    font-size: .8125rem;
    font-weight: 500;
    line-height: 1.4;
}

.card-recommend {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all .3s ease-out;
}
.card-recommend:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.card-recommend .thumb {
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: var(--bg-cream);
}
.card-recommend .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease-out;
}
.card-recommend:hover .thumb img { transform: scale(1.04); }
.card-title { transition: color .3s ease-out; }
.card-recommend:hover .card-title { color: var(--primary); }

.article-content {
    font-size: 1rem;
    line-height: 1.95;
    color: var(--ink);
}
.article-content p { margin-bottom: 1.5rem; color: var(--ink); }
.article-content h2 {
    font-family: var(--font-serif);
    font-size: 1.625rem;
    font-weight: 600;
    line-height: 1.35;
    margin-top: 3rem;
    margin-bottom: 1rem;
    padding-bottom: .5rem;
    border-bottom: 1px solid var(--line);
}
.article-content h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
    margin-top: 2.25rem;
    margin-bottom: .75rem;
}
.article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--accent); }
.article-content blockquote {
    border-left: 4px solid var(--brass);
    background: var(--bg-cream);
    padding: 1.25rem 1.5rem;
    border-radius: 0 var(--radius) var(--radius) 0;
    font-style: italic;
    font-family: var(--font-serif);
    color: var(--muted);
    margin: 2rem 0;
}
.article-content ul, .article-content ol { padding-left: 1.5rem; margin: 1.5rem 0; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: .5rem; }
.article-content table {
    width: 100%;
    border-collapse: collapse;
    font-size: .9375rem;
    margin: 2rem 0;
}
.article-content th {
    background: rgba(44,74,70,.08);
    border: 1px solid var(--line);
    padding: .75rem 1rem;
    text-align: left;
    font-weight: 600;
}
.article-content td {
    border: 1px solid var(--line);
    padding: .75rem 1rem;
}
.article-content img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin: 2rem 0;
}
.article-content figcaption {
    font-size: .85rem;
    color: var(--muted);
    text-align: center;
    margin-top: -.75rem;
    margin-bottom: 2rem;
}

.cta-panel {
    position: relative;
    border-radius: var(--radius-lg);
    background: linear-gradient(rgba(31,58,54,.9), rgba(31,58,54,.94)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.cta-panel .deco-line {
    width: 42px;
    height: 3px;
    background: var(--brass);
    border-radius: 999px;
}

.site-footer {
    background-color: #1F3A36;
    color: rgba(255,255,255,.85);
}
.site-footer a { color: rgba(255,255,255,.7); }
.site-footer a:hover { color: var(--brass); }
.site-footer h4 {
    color: #fff;
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.fixed-bar-mobile {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 40;
    height: 4rem;
    background: #fff;
    border-top: 1px solid var(--line);
    display: flex;
    align-items: center;
    padding: 0 1rem calc(.5rem + env(safe-area-inset-bottom));
}

/* roulang page: category2 */
:root {
            --primary: #2C4A46;
            --brass: #B98A4E;
            --accent: #C05B3C;
            --cream: #FAF7F2;
            --ink: #1F1A16;
            --soft: #5B5650;
            --line: #E8E0D4;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Noto Sans SC', system-ui, sans-serif;
            background: var(--cream);
            color: var(--ink);
            line-height: 1.75;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .3s ease;
            outline-offset: 2px;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        ::selection {
            background: var(--brass);
            color: #fff;
        }
        .container-site {
            max-width: 80rem;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 640px) {
            .container-site {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-site {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        .nav-tabs-scroll {
            overflow-x: auto;
            scrollbar-width: none;
        }
        .nav-tabs-scroll::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: .5rem 1.25rem;
            border-radius: 9999px;
            font-size: .875rem;
            font-weight: 500;
            color: var(--ink);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all .3s ease;
        }
        .nav-tab:hover {
            background: var(--cream);
            color: var(--primary);
        }
        .nav-tab.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            background: var(--accent);
            color: #fff;
            height: 2.75rem;
            padding: 0 1.5rem;
            border-radius: .375rem;
            font-size: .875rem;
            font-weight: 500;
            border: 1px solid var(--accent);
            transition: all .3s ease;
        }
        .btn-primary:hover {
            background: #a84e33;
            border-color: #a84e33;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(192, 91, 60, .22);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-sm {
            height: 2.5rem;
            padding: 0 1.25rem;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            background: #fff;
            color: var(--ink);
            height: 2.75rem;
            padding: 0 1.5rem;
            border-radius: .375rem;
            font-size: .875rem;
            font-weight: 500;
            border: 1px solid var(--line);
            transition: all .3s ease;
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(44, 74, 70, .08);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            background: transparent;
            color: #fff;
            height: 2.75rem;
            padding: 0 1.5rem;
            border-radius: .375rem;
            font-size: .875rem;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, .4);
            transition: all .3s ease;
        }
        .btn-outline-light:hover {
            border-color: var(--brass);
            color: var(--brass);
            transform: translateY(-1px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: .375rem;
            background: rgba(185, 138, 78, .12);
            color: #8a6234;
            font-size: .75rem;
            font-weight: 600;
            padding: .3rem .9rem;
            border-radius: 9999px;
            letter-spacing: .02em;
        }
        .section-title {
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            line-height: 1.3;
            color: var(--ink);
        }
        .section-title::after {
            content: '';
            display: block;
            width: 40px;
            height: 2px;
            background: var(--brass);
            margin-top: .75rem;
        }
        .text-center .section-title::after,
        .section-title.center::after {
            margin-left: auto;
            margin-right: auto;
        }
        .section-lead {
            color: var(--soft);
            font-size: 1rem;
            line-height: 1.8;
        }
        .feature-card {
            position: relative;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: .5rem;
            padding: 1.75rem 1.5rem 1.5rem 1.75rem;
            box-shadow: 0 1px 2px rgba(31, 26, 22, .04);
            transition: all .3s ease;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--primary);
            transition: background .3s ease;
        }
        .feature-card:hover {
            border-color: var(--primary);
            box-shadow: 0 10px 28px rgba(31, 26, 22, .07);
            transform: translateY(-3px);
        }
        .feature-card:hover::before {
            background: var(--accent);
        }
        .feature-icon {
            width: 2.5rem;
            height: 2.5rem;
            border-radius: .5rem;
            background: rgba(44, 74, 70, .08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all .3s ease;
        }
        .feature-card:hover .feature-icon {
            transform: translateY(-3px);
            color: var(--accent);
            background: rgba(192, 91, 60, .08);
        }
        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: .375rem;
            font-size: .875rem;
            font-weight: 500;
            color: var(--primary);
            transition: color .3s ease;
        }
        .feature-link i {
            transition: transform .3s ease;
        }
        .feature-link:hover {
            color: var(--accent);
        }
        .feature-link:hover i {
            transform: translateX(4px);
        }
        .hero-image-wrap {
            position: relative;
            border-radius: .75rem;
        }
        .hero-image-wrap::before {
            content: '';
            position: absolute;
            top: -10px;
            right: -10px;
            width: 100%;
            height: 100%;
            border: 2px solid var(--brass);
            border-radius: .75rem;
            z-index: 0;
        }
        .hero-image-wrap img {
            position: relative;
            z-index: 1;
        }
        .stats-num {
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            color: var(--brass);
            font-size: 1.75rem;
            line-height: 1.2;
        }
        .point-list li {
            position: relative;
            padding-left: 1.25rem;
            margin-bottom: .5rem;
            color: var(--soft);
        }
        .point-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: .65em;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--brass);
        }
        .step-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: .5rem;
            padding: 1.5rem 1.25rem;
            transition: all .3s ease;
            position: relative;
        }
        .step-card:hover {
            border-color: var(--primary);
            box-shadow: 0 10px 24px rgba(31, 26, 22, .06);
            transform: translateY(-3px);
        }
        .step-num {
            font-family: 'Noto Serif SC', serif;
            font-size: 2rem;
            color: var(--brass);
            font-weight: 700;
            line-height: 1;
            display: block;
            margin-bottom: .875rem;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: .5rem;
            overflow: hidden;
            transition: border-color .3s ease;
        }
        .faq-item:hover {
            border-color: rgba(44, 74, 70, .35);
        }
        .faq-item + .faq-item {
            margin-top: .75rem;
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 1rem;
            width: 100%;
            padding: 1.25rem 1.5rem;
            background: none;
            border: none;
            text-align: left;
            font-size: 1rem;
            font-weight: 500;
            color: var(--ink);
            transition: background .3s ease;
        }
        .faq-question:hover {
            background: var(--cream);
        }
        .faq-num {
            font-family: 'Noto Serif SC', serif;
            color: var(--brass);
            font-weight: 700;
            font-size: .875rem;
        }
        .faq-chevron {
            margin-left: auto;
            transition: transform .3s ease;
            color: var(--soft);
            font-size: .875rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-chevron {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .45s ease;
            color: var(--soft);
            font-size: .925rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            padding-bottom: 1.25rem;
        }
        .site-footer {
            background: #1F3A36;
            color: rgba(255, 255, 255, .75);
        }
        .site-footer a {
            transition: color .3s ease;
        }
        .site-footer a:hover {
            color: var(--brass);
        }
        .cta-panel {
            background-image: linear-gradient(rgba(31, 58, 54, .92), rgba(31, 58, 54, .92)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
        }
        @media (max-width: 1023px) {
            body {
                padding-bottom: 4rem;
            }
        }
        @media (min-width: 1024px) {
            .hero-image-wrap::before {
                top: -12px;
                right: -12px;
            }
        }