/* roulang page: index */
:root {
            --color-primary: #6F8F72;
            --color-primary-dark: #2E4231;
            --color-primary-light: #E6EFE3;
            --color-accent-warm: #F1E3D3;
            --color-accent-pink: #E5C3C3;
            --color-gold: #B9906A;
            --color-bg-main: #FDFBF7;
            --color-bg-alt: #F6F8F3;
            --color-text-body: #27302A;
            --color-text-muted: #5E6B5E;
            --color-border: #D9E1D4;
            --radius-card: 20px;
            --radius-pill: 999px;
            --radius-input: 12px;
            --shadow-card: 0 8px 24px rgba(46, 66, 49, 0.07);
            --shadow-card-hover: 0 14px 34px rgba(46, 66, 49, 0.12);
            --transition: all 0.28s ease;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', Georgia, serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body { font-family: var(--font-sans); font-size: 16px; line-height: 1.85; color: var(--color-text-body); background: var(--color-bg-main); overflow-x: hidden; }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--color-primary-dark); }
        a:focus, button:focus, input:focus, textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 2px; }
        ul, ol { list-style: none; }
        button { font-family: var(--font-sans); cursor: pointer; border: none; background: none; }
        input, textarea { font-family: var(--font-sans); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; width: 100%; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
        section { padding: 72px 0; }
        section.section-alt { background: var(--color-bg-alt); }
        section.section-plain { background: var(--color-bg-main); }
        .section-tag { display: inline-block; font-size: 13px; font-weight: 600; color: var(--color-primary); background: var(--color-primary-light); padding: 4px 14px; border-radius: var(--radius-pill); margin-bottom: 12px; letter-spacing: 0.5px; }
        .section-title { font-family: var(--font-serif); font-size: 28px; font-weight: 700; line-height: 1.4; color: var(--color-primary-dark); margin-bottom: 12px; }
        .section-desc { font-size: 16px; color: var(--color-text-muted); line-height: 1.85; max-width: 660px; margin-bottom: 32px; }
        .text-center { text-align: center; }
        .text-center .section-desc { margin-left: auto; margin-right: auto; }

        /* Header */
        .site-header { position: sticky; top: 0; z-index: 100; background: rgba(253, 251, 247, 0.96); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--color-border); }
        .site-header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
        .logo { font-family: var(--font-serif); font-size: 20px; font-weight: 700; color: var(--color-primary-dark); white-space: nowrap; letter-spacing: 0.3px; }
        .logo:hover { color: var(--color-primary); }
        .logo .logo-sub { font-size: 13px; font-weight: 400; color: var(--color-text-muted); display: block; font-family: var(--font-sans); letter-spacing: 0; }
        .site-nav { display: flex; align-items: center; gap: 28px; }
        .site-nav a { font-size: 15px; font-weight: 500; color: var(--color-text-body); padding: 6px 2px; position: relative; white-space: nowrap; }
        .site-nav a:hover, .site-nav a.active { color: var(--color-primary); }
        .site-nav a.active::after { content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 2px; background: var(--color-primary); border-radius: 2px; }
        .site-nav a:not(.active)::after { content: ''; position: absolute; bottom: -2px; left: 50%; right: 50%; height: 2px; background: var(--color-primary); border-radius: 2px; transition: var(--transition); }
        .site-nav a:not(.active):hover::after { left: 0; right: 0; }
        .nav-toggle { display: none; font-size: 26px; color: var(--color-primary-dark); padding: 4px 8px; border-radius: 8px; }
        .nav-toggle:hover { background: var(--color-primary-light); }

        /* Hero */
        .hero { padding: 80px 0 72px; background: var(--color-bg-main); position: relative; overflow: hidden; }
        .hero::before { content: ''; position: absolute; top: -120px; right: -80px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(111,143,114,0.08) 0%, transparent 70%); pointer-events: none; }
        .hero::after { content: ''; position: absolute; bottom: -60px; left: -100px; width: 300px; height: 300px; border-radius: 50%; background: radial-gradient(circle, rgba(241,227,211,0.45) 0%, transparent 70%); pointer-events: none; }
        .hero .container { display: grid; grid-template-columns: 7fr 5fr; gap: 48px; align-items: center; position: relative; z-index: 1; }
        .hero-content h1 { font-family: var(--font-serif); font-size: 38px; font-weight: 700; line-height: 1.32; color: var(--color-primary-dark); margin-bottom: 18px; }
        .hero-content p { font-size: 17px; color: var(--color-text-muted); line-height: 1.9; margin-bottom: 28px; max-width: 540px; }
        .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
        .hero-visual { position: relative; border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-card); aspect-ratio: 4 / 3; background: var(--color-primary-light); }
        .hero-visual img { width: 100%; height: 100%; object-fit: cover; }
        .hero-visual .floating-badge { position: absolute; bottom: 18px; right: 18px; width: 52px; height: 52px; border-radius: 50%; background: var(--color-accent-warm); display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 600; text-align: center; color: var(--color-primary-dark); line-height: 1.3; padding: 4px; border: 2px solid var(--color-primary-light); }

        /* Buttons */
        .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 24px; border-radius: var(--radius-pill); font-size: 15px; font-weight: 600; transition: var(--transition); line-height: 1.5; white-space: nowrap; }
        .btn-primary { background: var(--color-primary-dark); color: #FDFBF7; }
        .btn-primary:hover { background: var(--color-primary); color: #FDFBF7; transform: translateY(-2px); box-shadow: var(--shadow-card-hover); }
        .btn-secondary { background: transparent; color: var(--color-primary); border: 1px solid var(--color-primary); }
        .btn-secondary:hover { background: var(--color-primary-light); color: var(--color-primary-dark); transform: translateY(-2px); }
        .btn-outline-light { background: transparent; color: #FDFBF7; border: 1.5px solid rgba(253,251,247,0.7); }
        .btn-outline-light:hover { background: rgba(253,251,247,0.15); color: #FDFBF7; transform: translateY(-2px); }
        .btn-light { background: #FDFBF7; color: var(--color-primary-dark); }
        .btn-light:hover { background: var(--color-primary-light); color: var(--color-primary-dark); transform: translateY(-2px); }
        .btn-link { display: inline-flex; align-items: center; gap: 6px; color: var(--color-primary); font-size: 15px; font-weight: 500; border-bottom: 1.5px dashed var(--color-primary); padding-bottom: 2px; }
        .btn-link:hover { border-bottom-style: solid; color: var(--color-primary-dark); }

        /* Trust Bar */
        .trust-bar .container { display: grid; grid-template-columns: 7fr 5fr; gap: 48px; align-items: center; }
        .trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
        .trust-item { text-align: center; padding: 16px 8px; }
        .trust-item .num { font-size: 28px; font-weight: 700; color: var(--color-gold); font-family: var(--font-serif); line-height: 1.2; }
        .trust-item .label { font-size: 13px; color: var(--color-text-muted); margin-top: 6px; }
        .trust-visual { border-radius: var(--radius-card); overflow: hidden; aspect-ratio: 4 / 3; background: var(--color-primary-light); }
        .trust-visual img { width: 100%; height: 100%; object-fit: cover; }

        /* Efficacy Cards */
        .efficacy-grid { display: grid; grid-template-columns: 5fr 3fr 4fr; gap: 24px; align-items: stretch; }
        .efficacy-card { background: #fff; border-radius: var(--radius-card); border: 1px solid var(--color-border); overflow: hidden; transition: var(--transition); box-shadow: var(--shadow-card); }
        .efficacy-card:hover { box-shadow: var(--shadow-card-hover); border-color: var(--color-primary); transform: translateY(-3px); }
        .efficacy-card .card-img { aspect-ratio: 16 / 10; overflow: hidden; background: var(--color-primary-light); }
        .efficacy-card .card-img img { width: 100%; height: 100%; object-fit: cover; }
        .efficacy-card .card-body { padding: 22px; }
        .efficacy-card h3 { font-size: 18px; font-weight: 600; color: var(--color-primary-dark); margin-bottom: 8px; }
        .efficacy-card p { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 12px; }
        .skin-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
        .skin-tags span { font-size: 12px; color: var(--color-primary); background: var(--color-primary-light); padding: 3px 10px; border-radius: var(--radius-pill); }
        .efficacy-card .btn-link { font-size: 14px; }
        .efficacy-card--horizontal { grid-column: span 1; display: flex; flex-direction: column; }
        .efficacy-card--vertical { grid-column: span 1; display: flex; flex-direction: column; }
        .efficacy-card--icon { grid-column: span 1; background: linear-gradient(135deg, var(--color-primary-light) 0%, #fff 60%); display: flex; flex-direction: column; }

        /* Category Entry */
        .category-entry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .category-entry-card { background: #fff; border-radius: var(--radius-card); border: 1px solid var(--color-border); padding: 28px 24px; text-align: center; transition: var(--transition); box-shadow: var(--shadow-card); }
        .category-entry-card:hover { box-shadow: var(--shadow-card-hover); border-color: var(--color-primary); transform: translateY(-3px); }
        .category-entry-card .cat-icon { width: 56px; height: 56px; border-radius: 50%; background: var(--color-primary-light); display: flex; align-items: center; justify-content: center; margin: 0 auto 14px; font-size: 24px; color: var(--color-primary); }
        .category-entry-card h3 { font-size: 18px; font-weight: 600; color: var(--color-primary-dark); margin-bottom: 8px; }
        .category-entry-card p { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 10px; }
        .category-entry-card .count { font-size: 12px; color: var(--color-text-muted); margin-bottom: 14px; }
        .category-entry-card .btn { font-size: 14px; padding: 9px 18px; }

        /* Garden Ingredients */
        .garden-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
        .garden-grid + .garden-grid { margin-top: 48px; }
        .garden-visual { border-radius: var(--radius-card); overflow: hidden; aspect-ratio: 4 / 3; background: var(--color-primary-light); box-shadow: var(--shadow-card); }
        .garden-visual img { width: 100%; height: 100%; object-fit: cover; }
        .garden-info h3 { font-family: var(--font-serif); font-size: 22px; font-weight: 600; color: var(--color-primary-dark); margin-bottom: 12px; }
        .garden-info p { font-size: 15px; color: var(--color-text-muted); line-height: 1.85; margin-bottom: 12px; }
        .garden-info .btn-link { font-size: 14px; }
        .garden-grid--reverse { direction: rtl; }
        .garden-grid--reverse > * { direction: ltr; }

        /* Texture Comparison */
        .texture-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
        .texture-card { border-radius: var(--radius-card); overflow: hidden; border: 1px solid var(--color-border); transition: var(--transition); box-shadow: var(--shadow-card); background: #fff; }
        .texture-card:hover { box-shadow: var(--shadow-card-hover); border-color: var(--color-primary); }
        .texture-card--alt { background: var(--color-bg-alt); }
        .texture-card .tx-img { aspect-ratio: 16 / 10; overflow: hidden; background: var(--color-primary-light); }
        .texture-card .tx-img img { width: 100%; height: 100%; object-fit: cover; }
        .texture-card .tx-body { padding: 22px; }
        .texture-card h3 { font-size: 18px; font-weight: 600; color: var(--color-primary-dark); margin-bottom: 8px; }
        .texture-card p { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 10px; }
        .tx-feel { display: flex; flex-wrap: wrap; gap: 6px; }

        /* Steps */
        .steps-wrapper { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; position: relative; }
        .steps-wrapper::before { content: ''; position: absolute; top: 28px; left: 12%; right: 12%; border-top: 2px dashed var(--color-border); z-index: 0; }
        .step-item { text-align: center; position: relative; z-index: 1; background: transparent; padding: 0 12px; }
        .step-num { width: 56px; height: 56px; border-radius: 50%; background: #fff; border: 2px solid var(--color-primary); color: var(--color-primary); display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 700; margin: 0 auto 14px; font-family: var(--font-serif); position: relative; z-index: 1; }
        .step-item h3 { font-size: 16px; font-weight: 600; color: var(--color-primary-dark); margin-bottom: 6px; }
        .step-item p { font-size: 13px; color: var(--color-text-muted); line-height: 1.6; }
        .steps-note { text-align: center; margin-top: 36px; padding: 18px 24px; background: var(--color-primary-light); border-radius: 14px; font-size: 14px; color: var(--color-text-body); }

        /* Scenario Cards */
        .scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .scenario-card { border-radius: var(--radius-card); overflow: hidden; border: 1px solid var(--color-border); background: #fff; transition: var(--transition); box-shadow: var(--shadow-card); }
        .scenario-card:hover { box-shadow: var(--shadow-card-hover); border-color: var(--color-primary); transform: translateY(-3px); }
        .scenario-card .sc-img { aspect-ratio: 4 / 3; overflow: hidden; background: var(--color-primary-light); }
        .scenario-card .sc-img img { width: 100%; height: 100%; object-fit: cover; }
        .scenario-card .sc-body { padding: 20px; }
        .scenario-card h3 { font-size: 17px; font-weight: 600; color: var(--color-primary-dark); margin-bottom: 8px; }
        .scenario-card p { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 12px; }
        .scenario-card .btn-link { font-size: 14px; }

        /* Brand Story */
        .brand-story { background: var(--color-primary-light); border-radius: var(--radius-card); overflow: hidden; display: grid; grid-template-columns: 6fr 6fr; gap: 0; box-shadow: var(--shadow-card); }
        .brand-story-content { padding: 48px 40px; display: flex; flex-direction: column; justify-content: center; }
        .brand-story-content h2 { font-family: var(--font-serif); font-size: 26px; font-weight: 700; color: var(--color-primary-dark); margin-bottom: 14px; }
        .brand-story-content p { font-size: 15px; color: var(--color-text-body); line-height: 1.85; margin-bottom: 18px; }
        .brand-story-content .btn { align-self: flex-start; }
        .brand-story-visual { aspect-ratio: 4 / 3; overflow: hidden; }
        .brand-story-visual img { width: 100%; height: 100%; object-fit: cover; }

        /* Reviews */
        .reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .review-card { background: #fff; border-radius: var(--radius-card); border: 1px solid var(--color-border); padding: 24px; box-shadow: var(--shadow-card); transition: var(--transition); }
        .review-card:hover { box-shadow: var(--shadow-card-hover); border-color: var(--color-primary); }
        .review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
        .review-avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--color-accent-warm); display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 15px; color: var(--color-primary-dark); }
        .review-name { font-size: 14px; font-weight: 600; color: var(--color-primary-dark); }
        .review-skin { font-size: 12px; color: var(--color-text-muted); }
        .review-stars { color: var(--color-gold); font-size: 14px; letter-spacing: 1px; margin-bottom: 8px; }
        .review-text { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; }

        /* News List */
        .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
        .news-card { background: #fff; border-radius: var(--radius-card); border: 1px solid var(--color-border); overflow: hidden; transition: var(--transition); box-shadow: var(--shadow-card); display: flex; flex-direction: column; }
        .news-card:hover { box-shadow: var(--shadow-card-hover); border-color: var(--color-primary); transform: translateY(-3px); }
        .news-card .thumb { aspect-ratio: 4 / 3; background: var(--color-primary-light); overflow: hidden; }
        .news-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
        .news-card .thumb-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 28px; color: var(--color-primary); background: var(--color-primary-light); }
        .news-card .news-body { padding: 18px; flex: 1; display: flex; flex-direction: column; }
        .news-card .news-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
        .news-card .badge { font-size: 12px; color: var(--color-primary); background: var(--color-primary-light); padding: 2px 10px; border-radius: var(--radius-pill); }
        .news-card .time { font-size: 12px; color: var(--color-text-muted); }
        .news-card h3 { font-size: 16px; font-weight: 600; color: var(--color-primary-dark); line-height: 1.5; margin-bottom: 8px; }
        .news-card h3 a { color: inherit; }
        .news-card h3 a:hover { color: var(--color-primary); }
        .news-card .news-excerpt { font-size: 13px; color: var(--color-text-muted); line-height: 1.6; margin-bottom: 12px; flex: 1; }
        .news-card .btn-link { font-size: 13px; }
        .news-empty { text-align: center; padding: 40px 20px; font-size: 15px; color: var(--color-text-muted); }

        /* Purchase Section */
        .purchase-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
        .purchase-info h2 { font-family: var(--font-serif); font-size: 24px; font-weight: 700; color: var(--color-primary-dark); margin-bottom: 14px; }
        .purchase-info p { font-size: 15px; color: var(--color-text-muted); line-height: 1.85; margin-bottom: 12px; }
        .purchase-card { background: var(--color-accent-warm); border-radius: var(--radius-card); padding: 28px; border: 1px solid var(--color-border); }
        .purchase-card h3 { font-size: 18px; font-weight: 600; color: var(--color-primary-dark); margin-bottom: 10px; }
        .purchase-card p { font-size: 14px; color: var(--color-text-body); line-height: 1.75; margin-bottom: 16px; }
        .purchase-card .btn { font-size: 14px; }

        /* CTA */
        .cta-section { background: var(--color-primary); padding: 60px 0; text-align: center; }
        .cta-section .container { max-width: 720px; }
        .cta-section h2 { font-family: var(--font-serif); font-size: 28px; font-weight: 700; color: #FDFBF7; margin-bottom: 12px; }
        .cta-section p { font-size: 16px; color: rgba(253,251,247,0.85); line-height: 1.8; margin-bottom: 28px; }
        .cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

        /* Form */
        .form-section { background: var(--color-bg-alt); }
        .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
        .form-info h2 { font-family: var(--font-serif); font-size: 24px; font-weight: 700; color: var(--color-primary-dark); margin-bottom: 14px; }
        .form-info p { font-size: 15px; color: var(--color-text-muted); line-height: 1.85; }
        .form-box { background: #fff; border-radius: var(--radius-card); padding: 32px; border: 1px solid var(--color-border); box-shadow: var(--shadow-card); }
        .form-box .input-group { display: flex; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
        .form-box input[type="text"], .form-box input[type="email"], .form-box input[type="tel"] { flex: 1; min-width: 180px; padding: 12px 14px; border: 1px solid var(--color-border); border-radius: var(--radius-input); font-size: 15px; background: var(--color-bg-main); transition: var(--transition); }
        .form-box input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(111,143,114,0.15); outline: none; }
        .form-box .privacy { font-size: 12px; color: var(--color-text-muted); line-height: 1.6; }
        .form-box .btn { width: auto; }

        /* Footer */
        .site-footer { background: var(--color-primary-dark); color: #FDFBF7; padding: 56px 0 0; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 40px; }
        .footer-brand h3 { font-family: var(--font-serif); font-size: 20px; font-weight: 700; margin-bottom: 10px; color: #FDFBF7; }
        .footer-brand p { font-size: 13px; color: rgba(253,251,247,0.65); line-height: 1.75; }
        .footer-col h4 { font-size: 14px; font-weight: 600; color: #FDFBF7; margin-bottom: 14px; }
        .footer-col a { display: block; font-size: 13px; color: rgba(253,251,247,0.6); margin-bottom: 8px; transition: var(--transition); }
        .footer-col a:hover { color: #FDFBF7; }
        .footer-bottom { border-top: 1px solid rgba(253,251,247,0.15); padding: 20px 0; text-align: center; font-size: 12px; color: rgba(253,251,247,0.5); }
        .footer-bottom a { color: rgba(253,251,247,0.6); }
        .footer-bottom a:hover { color: #FDFBF7; }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero .container { grid-template-columns: 1fr; gap: 32px; }
            .hero-visual { max-width: 500px; }
            .trust-bar .container { grid-template-columns: 1fr; gap: 32px; }
            .trust-visual { max-width: 400px; }
            .efficacy-grid { grid-template-columns: 1fr 1fr; }
            .efficacy-card--icon { grid-column: span 2; }
            .news-grid { grid-template-columns: repeat(3, 1fr); }
            .garden-grid { grid-template-columns: 1fr; gap: 24px; }
            .garden-grid--reverse { direction: ltr; }
            .brand-story { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .site-header .container { height: 58px; }
            .nav-toggle { display: block; }
            .site-nav { display: none; position: absolute; top: 58px; left: 0; right: 0; background: var(--color-bg-main); flex-direction: column; gap: 0; padding: 16px 24px; border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-card); }
            .site-nav.open { display: flex; }
            .site-nav a { padding: 12px 0; font-size: 16px; border-bottom: 1px solid var(--color-border); }
            .site-nav a:last-child { border-bottom: none; }
            .site-nav a.active::after, .site-nav a:not(.active)::after { display: none; }
            .site-nav a.active { background: var(--color-primary-light); border-radius: 8px; padding-left: 12px; }
            section { padding: 48px 0; }
            .section-title { font-size: 24px; }
            .hero { padding: 48px 0 40px; }
            .hero-content h1 { font-size: 30px; }
            .hero-actions .btn { width: 100%; }
            .efficacy-grid { grid-template-columns: 1fr; }
            .efficacy-card--icon { grid-column: span 1; }
            .category-entry-grid { grid-template-columns: 1fr; }
            .texture-grid { grid-template-columns: 1fr; }
            .steps-wrapper { grid-template-columns: repeat(2, 1fr); gap: 24px; }
            .steps-wrapper::before { display: none; }
            .scenario-grid { grid-template-columns: 1fr; }
            .reviews-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: repeat(2, 1fr); }
            .purchase-grid { grid-template-columns: 1fr; gap: 24px; }
            .form-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
            .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
            .container { padding: 0 16px; }
        }
        @media (max-width: 520px) {
            .section-title { font-size: 21px; }
            .section-desc { font-size: 14px; }
            .hero-content h1 { font-size: 26px; }
            .hero-content p { font-size: 15px; }
            .steps-wrapper { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .cta-actions .btn { width: 100%; }
            .btn { width: 100%; justify-content: center; }
            .hero-actions .btn { width: 100%; }
            .category-entry-card .btn { width: 100%; }
            .brand-story-content { padding: 32px 20px; }
            .form-box { padding: 22px; }
            .footer-grid { grid-template-columns: 1fr; }
            .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
            .trust-item .num { font-size: 22px; }
            .floating-badge { display: none; }
        }

/* roulang page: category1 */
:root {
            --color-primary: #6F8F72;
            --color-primary-dark: #2E4231;
            --color-primary-light: #E6EFE3;
            --color-accent-warm: #F1E3D3;
            --color-accent-pink: #E5C3C3;
            --color-gold: #B9906A;
            --color-bg-main: #FDFBF7;
            --color-bg-alt: #F6F8F3;
            --color-text-body: #27302A;
            --color-text-muted: #5E6B5E;
            --color-border: #D9E1D4;
            --radius-card: 20px;
            --radius-pill: 999px;
            --radius-input: 12px;
            --shadow-card: 0 8px 24px rgba(46, 66, 49, 0.07);
            --shadow-card-hover: 0 14px 34px rgba(46, 66, 49, 0.12);
            --transition: all 0.28s ease;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', Georgia, serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
        }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body { font-family: var(--font-sans); font-size: 16px; line-height: 1.85; color: var(--color-text-body); background: var(--color-bg-main); overflow-x: hidden; }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--color-primary-dark); }
        a:focus, button:focus, input:focus, textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 2px; }
        button { font-family: var(--font-sans); cursor: pointer; border: none; background: none; }
        input, textarea { font-family: var(--font-sans); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; width: 100%; }
        section { padding: 72px 0; }
        section.section-alt { background: var(--color-bg-alt); }
        section.section-plain { background: var(--color-bg-main); }
        .section-tag { display: inline-block; font-size: 13px; font-weight: 600; color: var(--color-primary); background: var(--color-primary-light); padding: 4px 14px; border-radius: var(--radius-pill); margin-bottom: 12px; letter-spacing: 0.5px; }
        .section-title { font-family: var(--font-serif); font-size: 28px; font-weight: 700; line-height: 1.4; color: var(--color-primary-dark); margin-bottom: 12px; }
        .section-desc { font-size: 16px; color: var(--color-text-muted); line-height: 1.85; max-width: 660px; margin-bottom: 32px; }
        .text-center { text-align: center; }
        .text-center .section-desc { margin-left: auto; margin-right: auto; }

        /* Header */
        .site-header { position: sticky; top: 0; z-index: 100; background: rgba(253, 251, 247, 0.96); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--color-border); }
        .site-header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
        .logo { font-family: var(--font-serif); font-size: 20px; font-weight: 700; color: var(--color-primary-dark); white-space: nowrap; letter-spacing: 0.3px; }
        .logo:hover { color: var(--color-primary); }
        .logo .logo-sub { font-size: 13px; font-weight: 400; color: var(--color-text-muted); display: block; font-family: var(--font-sans); letter-spacing: 0; }
        .site-nav { display: flex; align-items: center; gap: 28px; }
        .site-nav a { font-size: 15px; font-weight: 500; color: var(--color-text-body); padding: 6px 2px; position: relative; white-space: nowrap; }
        .site-nav a:hover, .site-nav a.active { color: var(--color-primary); }
        .site-nav a.active::after { content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 2px; background: var(--color-primary); border-radius: 2px; }
        .site-nav a:not(.active)::after { content: ''; position: absolute; bottom: -2px; left: 50%; right: 50%; height: 2px; background: var(--color-primary); border-radius: 2px; transition: var(--transition); }
        .site-nav a:not(.active):hover::after { left: 0; right: 0; }
        .nav-toggle { display: none; font-size: 26px; color: var(--color-primary-dark); padding: 4px 8px; border-radius: 8px; }
        .nav-toggle:hover { background: var(--color-primary-light); }

        /* Breadcrumb */
        .breadcrumb-wrap { padding: 28px 0 0; background: transparent; }
        .breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--color-text-muted); margin: 0; padding: 0; list-style: none; flex-wrap: wrap; }
        .breadcrumb li { display: flex; align-items: center; gap: 8px; }
        .breadcrumb li::after { content: '/'; color: var(--color-border); font-size: 13px; }
        .breadcrumb li:last-child::after { display: none; }
        .breadcrumb a { color: var(--color-primary); }
        .breadcrumb a:hover { color: var(--color-primary-dark); }
        .breadcrumb .current { color: var(--color-text-muted); font-weight: 500; }

        /* Buttons */
        .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 24px; border-radius: var(--radius-pill); font-size: 15px; font-weight: 600; transition: var(--transition); line-height: 1.5; white-space: nowrap; }
        .btn-primary { background: var(--color-primary-dark); color: #fff; border: 1px solid var(--color-primary-dark); }
        .btn-primary:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-card-hover); }
        .btn-outline { background: transparent; color: var(--color-primary); border: 1px solid var(--color-primary); }
        .btn-outline:hover { background: var(--color-primary-light); color: var(--color-primary-dark); border-color: var(--color-primary); transform: translateY(-2px); }
        .btn-light { background: #fff; color: var(--color-primary-dark); border: 1px solid transparent; }
        .btn-light:hover { background: var(--color-primary-light); color: var(--color-primary-dark); transform: translateY(-2px); }

        /* Category Hero Header */
        .category-hero { padding: 28px 0 40px; background: var(--color-bg-main); }
        .category-hero-inner { display: grid; grid-template-columns: 1fr 420px; gap: 32px; align-items: center; }
        .category-hero-text h1 { font-family: var(--font-serif); font-size: 34px; font-weight: 700; line-height: 1.35; color: var(--color-primary-dark); margin-bottom: 14px; }
        .category-hero-text .hero-guide { font-size: 16px; color: var(--color-text-muted); line-height: 1.85; max-width: 600px; }
        .category-hero-visual { border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-card); aspect-ratio: 4 / 3; background: var(--color-primary-light); }
        .category-hero-visual img { width: 100%; height: 100%; object-fit: cover; }

        /* Filter Toolbar */
        .filter-toolbar { background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 16px 20px; display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
        .filter-label { font-size: 14px; font-weight: 600; color: var(--color-primary-dark); white-space: nowrap; }
        .filter-tags { display: flex; gap: 10px; flex-wrap: wrap; }
        .filter-tag { font-size: 13px; font-weight: 500; color: var(--color-text-muted); background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-pill); padding: 6px 16px; transition: var(--transition); cursor: pointer; }
        .filter-tag:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-light); }
        .filter-tag.active { background: var(--color-primary-dark); color: #fff; border-color: var(--color-primary-dark); }

        /* List Cards */
        .card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .article-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-card); transition: var(--transition); display: flex; flex-direction: column; }
        .article-card:hover { box-shadow: var(--shadow-card-hover); border-color: var(--color-primary); transform: translateY(-4px); }
        .article-card-img { aspect-ratio: 16 / 10; background: var(--color-primary-light); overflow: hidden; }
        .article-card-img img { width: 100%; height: 100%; object-fit: cover; }
        .article-card-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
        .card-badge { display: inline-block; font-size: 12px; font-weight: 600; color: var(--color-primary); background: var(--color-primary-light); padding: 3px 12px; border-radius: var(--radius-pill); margin-bottom: 10px; align-self: flex-start; }
        .article-card-title { font-family: var(--font-serif); font-size: 18px; font-weight: 600; line-height: 1.5; color: var(--color-primary-dark); margin-bottom: 8px; }
        .article-card-excerpt { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 14px; flex: 1; }
        .article-card-meta { font-size: 12px; color: var(--color-text-muted); margin-bottom: 14px; }
        .article-card-link { font-size: 14px; font-weight: 600; color: var(--color-primary); }
        .article-card-link:hover { color: var(--color-primary-dark); text-decoration: underline; }

        /* Horizontal card */
        .article-card-horizontal { display: flex; gap: 20px; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-card); transition: var(--transition); }
        .article-card-horizontal:hover { box-shadow: var(--shadow-card-hover); border-color: var(--color-primary); transform: translateY(-3px); }
        .article-card-horizontal .article-card-img { width: 240px; flex-shrink: 0; aspect-ratio: auto; height: 160px; }
        .article-card-horizontal .article-card-img img { width: 100%; height: 100%; object-fit: cover; }
        .article-card-horizontal .article-card-body { padding: 18px 20px; display: flex; flex-direction: column; justify-content: center; }
        .article-card-horizontal .article-card-title { font-size: 17px; margin-bottom: 6px; }
        .article-card-horizontal .article-card-excerpt { font-size: 14px; margin-bottom: 10px; flex: 0 1 auto; }

        /* Support Info Card */
        .support-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .support-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 24px; box-shadow: var(--shadow-card); }
        .support-card h3 { font-size: 17px; font-weight: 600; color: var(--color-primary-dark); margin-bottom: 10px; }
        .support-card p { font-size: 14px; color: var(--color-text-muted); line-height: 1.75; margin: 0; }

        /* Scene List */
        .scene-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
        .scene-item { background: #fff; border: 1px solid var(--color-border); border-radius: 16px; padding: 20px; display: flex; flex-direction: column; gap: 10px; transition: var(--transition); }
        .scene-item:hover { border-color: var(--color-primary); box-shadow: var(--shadow-card); }
        .scene-icon { width: 44px; height: 44px; border-radius: 50%; background: var(--color-primary-light); display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--color-primary); }
        .scene-item h4 { font-size: 15px; font-weight: 600; color: var(--color-primary-dark); margin: 0; }
        .scene-item p { font-size: 13px; color: var(--color-text-muted); line-height: 1.7; margin: 0; }

        /* FAQ */
        .faq-wrap { max-width: 780px; margin: 0 auto; }
        .faq-item { background: #fff; border: 1px solid var(--color-border); border-radius: 16px; margin-bottom: 14px; overflow: hidden; transition: var(--transition); }
        .faq-item:hover { border-color: var(--color-primary); }
        .faq-item summary { cursor: pointer; padding: 16px 20px; font-size: 16px; font-weight: 600; color: var(--color-primary-dark); list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item .faq-arrow { font-size: 14px; color: var(--color-primary); transition: var(--transition); }
        .faq-item[open] { border-color: var(--color-primary); }
        .faq-item[open] summary { background: var(--color-primary-light); }
        .faq-item[open] .faq-arrow { transform: rotate(180deg); }
        .faq-body { padding: 0 20px 18px; font-size: 14px; color: var(--color-text-muted); line-height: 1.8; background: var(--color-bg-alt); margin: 0; }

        /* CTA Bar */
        .cta-bar { background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 36px 32px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
        .cta-bar-text h3 { font-family: var(--font-serif); font-size: 22px; font-weight: 700; color: var(--color-primary-dark); margin-bottom: 6px; }
        .cta-bar-text p { font-size: 14px; color: var(--color-text-muted); margin: 0; }
        .cta-bar-form { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
        .cta-bar-form input[type="email"], .cta-bar-form input[type="text"] { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-input); padding: 12px 16px; font-size: 14px; width: 260px; transition: var(--transition); }
        .cta-bar-form input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(111, 143, 114, 0.15); }
        .privacy-note { font-size: 12px; color: var(--color-text-muted); margin-top: 8px; }

        /* Footer */
        .site-footer { background: var(--color-primary-dark); color: #F6F8F3; padding: 56px 0 28px; }
        .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 36px; }
        .footer-brand h3 { font-family: var(--font-serif); font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 12px; }
        .footer-brand p { font-size: 13px; color: #B5C4B0; line-height: 1.8; margin: 0; max-width: 340px; }
        .footer-col h4 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 14px; letter-spacing: 0.5px; }
        .footer-col a { display: block; font-size: 13px; color: #B5C4B0; padding: 5px 0; transition: var(--transition); }
        .footer-col a:hover { color: #fff; padding-left: 4px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; text-align: center; font-size: 12px; color: #B5C4B0; line-height: 1.7; }

        /* Empty state */
        .empty-state { text-align: center; padding: 40px 20px; border: 1px dashed var(--color-border); border-radius: var(--radius-card); background: #fff; }
        .empty-state p { font-size: 15px; color: var(--color-text-muted); margin: 0; }

        /* Responsive */
        @media (max-width: 1024px) {
            .card-grid { grid-template-columns: repeat(2, 1fr); }
            .support-grid { grid-template-columns: repeat(2, 1fr); }
            .scene-list { grid-template-columns: repeat(2, 1fr); }
            .category-hero-inner { grid-template-columns: 1fr 320px; }
            .site-nav { gap: 18px; }
            .site-nav a { font-size: 14px; }
        }
        @media (max-width: 768px) {
            .site-header .container { height: 56px; }
            .nav-toggle { display: block; }
            .site-nav { display: none; position: absolute; top: 56px; left: 0; right: 0; background: var(--color-bg-main); border-bottom: 1px solid var(--color-border); flex-direction: column; align-items: stretch; padding: 14px 24px; gap: 0; box-shadow: var(--shadow-card); }
            .site-nav.open { display: flex; }
            .site-nav a { padding: 12px 0; font-size: 15px; border-bottom: 1px solid var(--color-border); white-space: normal; }
            .site-nav a:last-child { border-bottom: none; }
            .site-nav a.active::after { display: none; }
            .site-nav a.active { background: var(--color-primary-light); border-radius: 8px; padding-left: 12px; padding-right: 12px; }
            .category-hero-inner { grid-template-columns: 1fr; }
            .category-hero-visual { aspect-ratio: 16 / 9; max-height: 240px; }
            .card-grid { grid-template-columns: 1fr; }
            .support-grid { grid-template-columns: 1fr; }
            .scene-list { grid-template-columns: 1fr; }
            .article-card-horizontal { flex-direction: column; }
            .article-card-horizontal .article-card-img { width: 100%; height: 180px; }
            .cta-bar { flex-direction: column; text-align: center; }
            .cta-bar-form input[type="email"], .cta-bar-form input[type="text"] { width: 100%; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
        }
        @media (max-width: 480px) {
            section { padding: 40px 0; }
            .container { padding: 0 16px; }
            .logo { font-size: 17px; }
            .logo .logo-sub { font-size: 11px; }
            .category-hero-text h1 { font-size: 26px; }
            .card-grid { grid-template-columns: 1fr; }
            .filter-toolbar { flex-direction: column; align-items: flex-start; }
            .cta-bar-form { width: 100%; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-brand { margin-bottom: 10px; }
        }

/* roulang page: article */
:root {
            --color-primary: #6F8F72;
            --color-primary-dark: #2E4231;
            --color-primary-light: #E6EFE3;
            --color-accent-warm: #F1E3D3;
            --color-accent-pink: #E5C3C3;
            --color-gold: #B9906A;
            --color-bg-main: #FDFBF7;
            --color-bg-alt: #F6F8F3;
            --color-text-body: #27302A;
            --color-text-muted: #5E6B5E;
            --color-border: #D9E1D4;
            --radius-card: 20px;
            --radius-pill: 999px;
            --radius-input: 12px;
            --shadow-card: 0 8px 24px rgba(46, 66, 49, 0.07);
            --shadow-card-hover: 0 14px 34px rgba(46, 66, 49, 0.12);
            --transition: all 0.28s ease;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', Georgia, serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
        }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body { font-family: var(--font-sans); font-size: 16px; line-height: 1.85; color: var(--color-text-body); background: var(--color-bg-main); overflow-x: hidden; }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--color-primary-dark); }
        a:focus, button:focus, input:focus, textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 2px; }
        button { font-family: var(--font-sans); cursor: pointer; border: none; background: none; }
        input, textarea { font-family: var(--font-sans); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; width: 100%; }
        section { padding: 64px 0; }
        section.section-alt { background: var(--color-bg-alt); }
        section.section-plain { background: var(--color-bg-main); }
        .section-tag { display: inline-block; font-size: 13px; font-weight: 600; color: var(--color-primary); background: var(--color-primary-light); padding: 4px 14px; border-radius: var(--radius-pill); margin-bottom: 12px; letter-spacing: 0.5px; }
        .section-title { font-family: var(--font-serif); font-size: 28px; font-weight: 700; line-height: 1.4; color: var(--color-primary-dark); margin-bottom: 12px; }
        .section-desc { font-size: 16px; color: var(--color-text-muted); line-height: 1.85; max-width: 660px; margin-bottom: 32px; }
        .text-center { text-align: center; }
        .text-center .section-desc { margin-left: auto; margin-right: auto; }
        .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 24px; border-radius: var(--radius-pill); font-size: 15px; font-weight: 600; transition: var(--transition); line-height: 1.5; white-space: nowrap; }
        .btn-primary { background: var(--color-primary-dark); color: #FDFBF7; }
        .btn-primary:hover { background: var(--color-primary); color: #FDFBF7; transform: translateY(-2px); box-shadow: 0 8px 18px rgba(46,66,49,0.18); }
        .btn-secondary { background: transparent; color: var(--color-primary); border: 1px solid var(--color-primary); }
        .btn-secondary:hover { background: var(--color-primary-light); color: var(--color-primary-dark); }
        .btn-text { background: none; color: var(--color-primary); text-decoration: underline dashed; padding: 4px 0; }
        .btn-text:hover { text-decoration: underline solid; color: var(--color-primary-dark); }
        .badge { display: inline-block; font-size: 12px; font-weight: 600; color: var(--color-primary); background: var(--color-primary-light); padding: 3px 12px; border-radius: var(--radius-pill); }
        .badge-warm { background: var(--color-accent-warm); color: var(--color-primary-dark); }
        .badge-pink { background: var(--color-accent-pink); color: var(--color-primary-dark); }
        .badge-gold { background: transparent; color: var(--color-gold); border: 1px solid var(--color-gold); }

        /* Header */
        .site-header { position: sticky; top: 0; z-index: 100; background: rgba(253, 251, 247, 0.96); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--color-border); }
        .site-header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
        .logo { font-family: var(--font-serif); font-size: 20px; font-weight: 700; color: var(--color-primary-dark); white-space: nowrap; letter-spacing: 0.3px; }
        .logo:hover { color: var(--color-primary); }
        .logo .logo-sub { font-size: 13px; font-weight: 400; color: var(--color-text-muted); display: block; font-family: var(--font-sans); letter-spacing: 0; }
        .site-nav { display: flex; align-items: center; gap: 28px; }
        .site-nav a { font-size: 15px; font-weight: 500; color: var(--color-text-body); padding: 6px 2px; position: relative; white-space: nowrap; }
        .site-nav a:hover, .site-nav a.active { color: var(--color-primary); }
        .site-nav a.active::after { content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 2px; background: var(--color-primary); border-radius: 2px; }
        .site-nav a:not(.active)::after { content: ''; position: absolute; bottom: -2px; left: 50%; right: 50%; height: 2px; background: var(--color-primary); border-radius: 2px; transition: var(--transition); }
        .site-nav a:not(.active):hover::after { left: 0; right: 0; }
        .nav-toggle { display: none; font-size: 26px; color: var(--color-primary-dark); padding: 4px 8px; border-radius: 8px; }
        .nav-toggle:hover { background: var(--color-primary-light); }

        /* Breadcrumb */
        .breadcrumb-section { padding: 24px 0 8px; background: var(--color-bg-main); }
        .breadcrumb-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--color-text-muted); }
        .breadcrumb-nav a { color: var(--color-text-muted); }
        .breadcrumb-nav a:hover { color: var(--color-primary); }
        .breadcrumb-nav .separator { color: var(--color-border); }
        .breadcrumb-nav .current { color: var(--color-primary-dark); font-weight: 600; }

        /* Article Header */
        .article-header-section { padding: 32px 0 28px; background: var(--color-bg-main); }
        .article-header-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 36px 40px; box-shadow: var(--shadow-card); }
        .article-header-card h1 { font-family: var(--font-serif); font-size: 34px; font-weight: 700; line-height: 1.38; color: var(--color-primary-dark); margin-bottom: 16px; }
        .article-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; margin-bottom: 16px; }
        .article-meta .meta-item { font-size: 13px; color: var(--color-text-muted); display: inline-flex; align-items: center; gap: 6px; }
        .article-meta .meta-item svg { width: 15px; height: 15px; fill: var(--color-text-muted); }
        .article-excerpt { font-size: 16px; color: var(--color-text-muted); line-height: 1.85; background: var(--color-bg-alt); border-left: 3px solid var(--color-primary); padding: 14px 18px; border-radius: 0 var(--radius-input) var(--radius-input) 0; }

        /* Article Body */
        .article-body-section { padding: 24px 0 40px; background: var(--color-bg-main); }
        .article-body { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 44px 48px; box-shadow: var(--shadow-card); }
        .article-body h2 { font-family: var(--font-serif); font-size: 24px; font-weight: 700; line-height: 1.45; color: var(--color-primary-dark); margin: 36px 0 16px; }
        .article-body h3 { font-family: var(--font-serif); font-size: 19px; font-weight: 600; line-height: 1.5; color: var(--color-primary-dark); margin: 28px 0 12px; }
        .article-body p { font-size: 16px; line-height: 1.9; color: var(--color-text-body); margin-bottom: 18px; }
        .article-body blockquote { background: var(--color-primary-light); border-left: 3px solid var(--color-primary); padding: 16px 20px; border-radius: 0 var(--radius-input) var(--radius-input) 0; margin: 22px 0; font-size: 15px; color: var(--color-primary-dark); line-height: 1.85; }
        .article-body ul, .article-body ol { padding-left: 24px; margin-bottom: 18px; }
        .article-body li { font-size: 16px; line-height: 1.9; color: var(--color-text-body); margin-bottom: 8px; }
        .article-body img { width: 100%; border-radius: var(--radius-card); margin: 24px 0; object-fit: cover; box-shadow: var(--shadow-card); }
        .article-body table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 15px; }
        .article-body table th { background: var(--color-primary-light); color: var(--color-primary-dark); font-weight: 600; padding: 12px 16px; border: 1px solid var(--color-border); text-align: left; }
        .article-body table td { padding: 12px 16px; border: 1px solid var(--color-border); color: var(--color-text-body); }
        .article-body a { color: var(--color-primary); text-decoration: underline; }
        .article-body a:hover { color: var(--color-primary-dark); }
        .article-body .article-not-found { text-align: center; padding: 60px 20px; }
        .article-body .article-not-found h2 { font-size: 22px; margin-bottom: 16px; }
        .article-body .article-not-found p { color: var(--color-text-muted); margin-bottom: 24px; }

        /* Article Tags */
        .article-tags-section { padding: 16px 0 32px; background: var(--color-bg-main); }
        .article-tags-wrapper { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
        .article-tags-wrapper .tags-label { font-size: 14px; font-weight: 600; color: var(--color-primary-dark); margin-right: 4px; }
        .article-tag { display: inline-block; font-size: 12px; font-weight: 500; color: var(--color-primary); background: var(--color-primary-light); padding: 5px 14px; border-radius: var(--radius-pill); }

        /* Related Posts */
        .related-section { padding: 48px 0 56px; background: var(--color-bg-alt); }
        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 8px; }
        .related-card { display: block; background: #fff; border: 1px solid var(--color-border); border-radius: 16px; overflow: hidden; transition: var(--transition); box-shadow: 0 4px 12px rgba(46,66,49,0.05); }
        .related-card:hover { box-shadow: var(--shadow-card-hover); border-color: var(--color-primary); transform: translateY(-3px); color: var(--color-text-body); }
        .related-card .related-card-img { aspect-ratio: 16 / 10; overflow: hidden; background: var(--color-primary-light); }
        .related-card .related-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
        .related-card:hover .related-card-img img { transform: scale(1.04); }
        .related-card .related-card-body { padding: 16px 18px 18px; }
        .related-card .related-card-title { font-size: 15px; font-weight: 600; color: var(--color-primary-dark); line-height: 1.55; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .related-card:hover .related-card-title { color: var(--color-primary); }
        .related-card .related-card-time { font-size: 12px; color: var(--color-text-muted); }

        /* Back Entry */
        .back-entry-section { padding: 16px 0 40px; background: var(--color-bg-main); text-align: center; }

        /* Subscribe CTA */
        .subscribe-section { padding: 56px 0; background: var(--color-primary-light); }
        .subscribe-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
        .subscribe-info h2 { font-family: var(--font-serif); font-size: 24px; font-weight: 700; color: var(--color-primary-dark); margin-bottom: 10px; }
        .subscribe-info p { font-size: 15px; color: var(--color-text-muted); line-height: 1.8; margin-bottom: 0; }
        .subscribe-form { display: flex; gap: 12px; align-items: flex-start; flex-wrap: wrap; }
        .subscribe-form input[type="text"], .subscribe-form input[type="email"] { flex: 1; min-width: 220px; padding: 12px 16px; border: 1px solid var(--color-border); border-radius: var(--radius-input); background: #fff; font-size: 15px; color: var(--color-text-body); transition: var(--transition); }
        .subscribe-form input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(111,143,114,0.18); outline: none; }
        .subscribe-form .form-privacy { width: 100%; font-size: 12px; color: var(--color-text-muted); margin-top: 8px; }

        /* Comment */
        .comment-section { padding: 48px 0 64px; background: var(--color-bg-main); }
        .comment-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 32px 36px; box-shadow: var(--shadow-card); }
        .comment-empty { text-align: center; padding: 28px 16px 20px; }
        .comment-empty .comment-empty-icon { width: 48px; height: 48px; border-radius: 50%; background: var(--color-primary-light); display: flex; align-items: center; justify-content: center; margin: 0 auto 12px; font-size: 22px; color: var(--color-primary); }
        .comment-empty p { font-size: 15px; color: var(--color-text-muted); margin-bottom: 20px; }
        .comment-form { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
        .comment-form input[type="text"] { flex: 1; min-width: 200px; padding: 12px 16px; border: 1px solid var(--color-border); border-radius: var(--radius-input); background: var(--color-bg-main); font-size: 15px; color: var(--color-text-body); transition: var(--transition); }
        .comment-form input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(111,143,114,0.18); outline: none; }
        .comment-form .btn { padding: 12px 20px; }

        /* Footer */
        .site-footer { background: var(--color-primary-dark); color: #FDFBF7; padding: 56px 0 28px; }
        .site-footer .footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 36px; margin-bottom: 36px; }
        .site-footer .footer-brand h3 { font-family: var(--font-serif); font-size: 20px; font-weight: 700; margin-bottom: 12px; color: #FDFBF7; }
        .site-footer .footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(253,251,247,0.72); margin-bottom: 0; }
        .site-footer .footer-col h4 { font-size: 14px; font-weight: 600; color: #FDFBF7; margin-bottom: 14px; }
        .site-footer .footer-col a { display: block; font-size: 13px; color: rgba(253,251,247,0.68); margin-bottom: 8px; transition: var(--transition); }
        .site-footer .footer-col a:hover { color: #FDFBF7; }
        .site-footer .footer-bottom { border-top: 1px solid rgba(253,251,247,0.15); padding-top: 20px; font-size: 13px; color: rgba(253,251,247,0.55); text-align: center; line-height: 1.8; }

        /* Responsive */
        @media (max-width: 1024px) {
            .site-nav { gap: 18px; }
            .site-nav a { font-size: 14px; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .subscribe-grid { grid-template-columns: 1fr; gap: 20px; }
        }
        @media (max-width: 768px) {
            .site-header .container { height: 56px; }
            .nav-toggle { display: block; }
            .site-nav { display: none; position: absolute; top: 56px; left: 0; right: 0; background: var(--color-bg-main); border-bottom: 1px solid var(--color-border); flex-direction: column; align-items: flex-start; gap: 0; padding: 12px 24px 20px; box-shadow: 0 12px 28px rgba(46,66,49,0.10); }
            .site-nav.open { display: flex; }
            .site-nav a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--color-border); font-size: 15px; }
            .site-nav a:last-child { border-bottom: none; }
            section { padding: 40px 0; }
            .article-header-card { padding: 24px 20px; }
            .article-header-card h1 { font-size: 26px; }
            .article-body { padding: 24px 20px; }
            .article-body h2 { font-size: 21px; }
            .comment-card { padding: 22px 18px; }
            .related-grid { grid-template-columns: 1fr; }
            .subscribe-form input[type="text"], .subscribe-form input[type="email"] { min-width: 100%; }
            .comment-form input[type="text"] { min-width: 100%; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 16px; }
            .article-header-card h1 { font-size: 23px; }
            .article-meta { gap: 10px; flex-direction: column; align-items: flex-start; }
            .article-body { padding: 20px 16px; }
            .article-body h2 { font-size: 19px; }
            .article-body p { font-size: 15px; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .btn { padding: 10px 18px; font-size: 14px; }
            section { padding: 32px 0; }
        }

/* roulang page: category2 */
:root {
            --color-primary: #6F8F72;
            --color-primary-dark: #2E4231;
            --color-primary-light: #E6EFE3;
            --color-accent-warm: #F1E3D3;
            --color-accent-pink: #E5C3C3;
            --color-gold: #B9906A;
            --color-bg-main: #FDFBF7;
            --color-bg-alt: #F6F8F3;
            --color-text-body: #27302A;
            --color-text-muted: #5E6B5E;
            --color-border: #D9E1D4;
            --radius-card: 20px;
            --radius-pill: 999px;
            --radius-input: 12px;
            --shadow-card: 0 8px 24px rgba(46, 66, 49, 0.07);
            --shadow-card-hover: 0 14px 34px rgba(46, 66, 49, 0.12);
            --transition: all 0.28s ease;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', Georgia, serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
        }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body { font-family: var(--font-sans); font-size: 16px; line-height: 1.85; color: var(--color-text-body); background: var(--color-bg-main); overflow-x: hidden; margin: 0; }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--color-primary-dark); }
        a:focus, button:focus, input:focus, textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 2px; }
        button { font-family: var(--font-sans); cursor: pointer; border: none; background: none; }
        input, textarea { font-family: var(--font-sans); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; width: 100%; }
        section { padding: 72px 0; }
        section.section-alt { background: var(--color-bg-alt); }
        section.section-plain { background: var(--color-bg-main); }
        .section-tag { display: inline-block; font-size: 13px; font-weight: 600; color: var(--color-primary); background: var(--color-primary-light); padding: 4px 14px; border-radius: var(--radius-pill); margin-bottom: 12px; letter-spacing: 0.5px; }
        .section-title { font-family: var(--font-serif); font-size: 28px; font-weight: 700; line-height: 1.4; color: var(--color-primary-dark); margin-bottom: 12px; }
        .section-desc { font-size: 16px; color: var(--color-text-muted); line-height: 1.85; max-width: 660px; margin-bottom: 32px; }
        .text-center { text-align: center; }
        .text-center .section-desc { margin-left: auto; margin-right: auto; }
        .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 24px; border-radius: var(--radius-pill); font-size: 15px; font-weight: 600; transition: var(--transition); line-height: 1.5; white-space: nowrap; }
        .btn-primary { background: var(--color-primary-dark); color: #fff; border: 1px solid var(--color-primary-dark); }
        .btn-primary:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-card-hover); }
        .btn-outline { background: transparent; color: var(--color-primary); border: 1px solid var(--color-primary); }
        .btn-outline:hover { background: var(--color-primary-light); color: var(--color-primary-dark); border-color: var(--color-primary); transform: translateY(-2px); }
        .btn-light-outline { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.8); }
        .btn-light-outline:hover { background: rgba(255,255,255,0.15); color: #fff; border-color: #fff; transform: translateY(-2px); }
        .btn-sm { padding: 9px 18px; font-size: 14px; }
        .text-link { color: var(--color-primary); font-weight: 600; text-decoration: underline dashed; text-underline-offset: 4px; display: inline-flex; align-items: center; gap: 4px; }
        .text-link:hover { color: var(--color-primary-dark); text-decoration: underline solid; }
        .badge { display: inline-block; font-size: 12px; font-weight: 600; color: var(--color-primary); background: var(--color-primary-light); padding: 3px 12px; border-radius: var(--radius-pill); letter-spacing: 0.3px; }
        .badge-warm { background: var(--color-accent-warm); color: var(--color-primary-dark); }
        .time-text { font-size: 13px; color: var(--color-text-muted); display: block; margin-top: 6px; }
        .image-frame { border-radius: var(--radius-card); overflow: hidden; background: var(--color-primary-light); aspect-ratio: 16/10; box-shadow: var(--shadow-card); }
        .image-frame img { width: 100%; height: 100%; object-fit: cover; }
        .image-frame.square { aspect-ratio: 4/3; }
        .mt-0 { margin-top: 0 !important; }
        .mb-0 { margin-bottom: 0 !important; }
        .pt-0 { padding-top: 0 !important; }
        .pb-0 { padding-bottom: 0 !important; }

        /* Header */
        .site-header { position: sticky; top: 0; z-index: 100; background: rgba(253, 251, 247, 0.96); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--color-border); }
        .site-header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
        .logo { font-family: var(--font-serif); font-size: 20px; font-weight: 700; color: var(--color-primary-dark); white-space: nowrap; letter-spacing: 0.3px; }
        .logo:hover { color: var(--color-primary); }
        .logo .logo-sub { font-size: 13px; font-weight: 400; color: var(--color-text-muted); display: block; font-family: var(--font-sans); letter-spacing: 0; }
        .site-nav { display: flex; align-items: center; gap: 28px; }
        .site-nav a { font-size: 15px; font-weight: 500; color: var(--color-text-body); padding: 6px 2px; position: relative; white-space: nowrap; }
        .site-nav a:hover, .site-nav a.active { color: var(--color-primary); }
        .site-nav a.active::after { content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 2px; background: var(--color-primary); border-radius: 2px; }
        .site-nav a:not(.active)::after { content: ''; position: absolute; bottom: -2px; left: 50%; right: 50%; height: 2px; background: var(--color-primary); border-radius: 2px; transition: var(--transition); }
        .site-nav a:not(.active):hover::after { left: 0; right: 0; }
        .nav-toggle { display: none; font-size: 26px; color: var(--color-primary-dark); padding: 4px 8px; border-radius: 8px; }
        .nav-toggle:hover { background: var(--color-primary-light); }

        /* Breadcrumb */
        .breadcrumb-wrapper { background: var(--color-bg-main); padding: 18px 0 0; }
        .breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 14px; color: var(--color-text-muted); }
        .breadcrumb a { color: var(--color-primary); }
        .breadcrumb a:hover { color: var(--color-primary-dark); }
        .breadcrumb .sep { color: var(--color-border); }
        .breadcrumb .current { color: var(--color-text-body); font-weight: 500; }

        /* Category Header */
        .category-header { position: relative; background: var(--color-bg-main); padding: 32px 0 48px; overflow: hidden; }
        .category-header::before { content: ''; position: absolute; top: -60px; right: -40px; width: 260px; height: 260px; border-radius: 50%; background: radial-gradient(circle, rgba(111,143,114,0.08) 0%, transparent 70%); pointer-events: none; }
        .category-header .container { display: grid; grid-template-columns: 1.4fr 1fr; gap: 36px; align-items: center; position: relative; z-index: 1; }
        .category-header h1 { font-family: var(--font-serif); font-size: 34px; font-weight: 700; line-height: 1.35; color: var(--color-primary-dark); margin-bottom: 14px; }
        .category-header .lead { font-size: 16px; color: var(--color-text-muted); line-height: 1.9; max-width: 560px; }
        .category-header .header-visual { border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-card); aspect-ratio: 16/9; }
        .category-header .header-visual img { width: 100%; height: 100%; object-fit: cover; }

        /* Tag Cloud */
        .tag-cloud { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
        .tag-cloud .tag-item { background: #fff; border: 1px solid var(--color-border); color: var(--color-text-body); padding: 8px 18px; border-radius: var(--radius-pill); font-size: 14px; font-weight: 500; transition: var(--transition); cursor: default; }
        .tag-cloud .tag-item:hover { background: var(--color-primary-light); border-color: var(--color-primary); color: var(--color-primary-dark); }

        /* Cards Grid */
        .card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .article-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-card); transition: var(--transition); }
        .article-card:hover { box-shadow: var(--shadow-card-hover); border-color: var(--color-primary); transform: translateY(-2px); }
        .article-card .card-image { aspect-ratio: 16/10; background: var(--color-primary-light); overflow: hidden; }
        .article-card .card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
        .article-card:hover .card-image img { transform: scale(1.03); }
        .article-card .card-body { padding: 18px 20px 22px; }
        .article-card .badge { margin-bottom: 10px; }
        .article-card h3 { font-size: 17px; font-weight: 600; line-height: 1.55; color: var(--color-primary-dark); margin-bottom: 8px; }
        .article-card p { font-size: 14px; color: var(--color-text-muted); line-height: 1.75; margin-bottom: 14px; }
        .article-card .card-footer { display: flex; align-items: center; justify-content: space-between; }
        .article-card .read-link { font-weight: 600; font-size: 14px; }

        /* Comparison Cards */
        .comparison-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
        .comparison-card { border-radius: var(--radius-card); padding: 28px 26px; border: 1px solid var(--color-border); background: #fff; box-shadow: var(--shadow-card); transition: var(--transition); }
        .comparison-card:hover { box-shadow: var(--shadow-card-hover); border-color: var(--color-primary); }
        .comparison-card.water { background: #fff; }
        .comparison-card.emulsion { background: var(--color-bg-alt); }
        .comparison-card .card-icon { font-size: 28px; margin-bottom: 12px; color: var(--color-primary); }
        .comparison-card h3 { font-size: 20px; font-weight: 700; color: var(--color-primary-dark); margin-bottom: 10px; }
        .comparison-card p { font-size: 14px; color: var(--color-text-muted); line-height: 1.8; }

        /* Texture Bars */
        .texture-bars { display: flex; flex-direction: column; gap: 22px; max-width: 720px; margin: 0 auto; }
        .texture-bar-item { display: grid; grid-template-columns: 110px 1fr 60px; gap: 16px; align-items: center; }
        .texture-bar-item .label { font-size: 15px; font-weight: 600; color: var(--color-primary-dark); }
        .bar-track { height: 10px; background: var(--color-primary-light); border-radius: var(--radius-pill); overflow: hidden; }
        .bar-fill { height: 100%; background: var(--color-primary); border-radius: var(--radius-pill); width: 0%; }
        .bar-fill.gold { background: var(--color-gold); }
        .bar-fill.pink { background: var(--color-accent-pink); }
        .bar-value { font-size: 14px; font-weight: 600; color: var(--color-text-muted); text-align: right; }

        /* Reminder Box */
        .reminder-box { background: var(--color-accent-warm); border: 1px solid #EAD9C7; border-radius: var(--radius-card); padding: 30px 28px; max-width: 860px; margin: 0 auto; box-shadow: var(--shadow-card); }
        .reminder-box h3 { font-size: 20px; font-weight: 700; color: var(--color-primary-dark); margin-bottom: 12px; }
        .reminder-box p { font-size: 15px; color: var(--color-text-body); line-height: 1.85; margin-bottom: 0; }
        .reminder-box .highlight { color: var(--color-primary-dark); font-weight: 600; }

        /* CTA Banner */
        .cta-banner { background: var(--color-primary); color: #fff; border-radius: var(--radius-card); padding: 48px 36px; position: relative; overflow: hidden; }
        .cta-banner::after { content: ''; position: absolute; top: -80px; right: -40px; width: 200px; height: 200px; border-radius: 50%; background: rgba(255,255,255,0.08); }
        .cta-banner h2 { font-family: var(--font-serif); font-size: 26px; font-weight: 700; color: #fff; margin-bottom: 12px; position: relative; z-index: 1; }
        .cta-banner p { font-size: 15px; color: rgba(255,255,255,0.9); line-height: 1.8; margin-bottom: 20px; position: relative; z-index: 1; }
        .cta-banner .cta-actions { display: flex; gap: 12px; flex-wrap: wrap; position: relative; z-index: 1; }
        .cta-banner .btn-light { background: #fff; color: var(--color-primary-dark); border: 1px solid #fff; }
        .cta-banner .btn-light:hover { background: var(--color-primary-light); color: var(--color-primary-dark); border-color: #fff; transform: translateY(-2px); }

        /* Footer */
        .site-footer { background: var(--color-primary-dark); color: rgba(255,255,255,0.85); padding: 56px 0 28px; }
        .site-footer .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 36px; }
        .site-footer h3 { font-family: var(--font-serif); font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 12px; }
        .site-footer h4 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 14px; }
        .site-footer p { font-size: 13px; line-height: 1.8; color: rgba(255,255,255,0.7); }
        .site-footer .footer-col { display: flex; flex-direction: column; gap: 10px; }
        .site-footer .footer-col a { font-size: 13px; color: rgba(255,255,255,0.7); transition: var(--transition); }
        .site-footer .footer-col a:hover { color: #fff; }
        .site-footer .footer-bottom { border-top: 1px solid rgba(255,255,255,0.15); padding-top: 20px; text-align: center; font-size: 12px; color: rgba(255,255,255,0.6); }
        .site-footer .footer-bottom span { display: inline-block; margin: 0 4px; }

        /* Responsive */
        @media (max-width: 1024px) {
            section { padding: 56px 0; }
            .category-header .container { grid-template-columns: 1fr; }
            .category-header .header-visual { aspect-ratio: 21/9; }
            .card-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .site-header .container { height: 64px; }
            .nav-toggle { display: block; }
            .site-nav { display: none; position: absolute; left: 0; right: 0; top: 64px; background: var(--color-bg-main); border-bottom: 1px solid var(--color-border); flex-direction: column; align-items: flex-start; gap: 0; padding: 12px 24px 20px; }
            .site-nav.open { display: flex; }
            .site-nav a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--color-border); }
            .site-nav a:last-child { border-bottom: none; }
            .site-nav a.active::after { display: none; }
            section { padding: 40px 0; }
            .category-header { padding: 24px 0 32px; }
            .category-header h1 { font-size: 28px; }
            .card-grid, .comparison-grid { grid-template-columns: 1fr; }
            .texture-bar-item { grid-template-columns: 90px 1fr 50px; }
            .cta-banner { padding: 32px 22px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        }
        @media (max-width: 479px) {
            .container { padding: 0 16px; }
            .section-title { font-size: 24px; }
            .category-header h1 { font-size: 24px; }
            .texture-bar-item { grid-template-columns: 80px 1fr 45px; gap: 10px; }
        }

/* roulang page: category3 */
:root {
            --color-primary: #6F8F72;
            --color-primary-dark: #2E4231;
            --color-primary-light: #E6EFE3;
            --color-accent-warm: #F1E3D3;
            --color-accent-pink: #E5C3C3;
            --color-gold: #B9906A;
            --color-bg-main: #FDFBF7;
            --color-bg-alt: #F6F8F3;
            --color-text-body: #27302A;
            --color-text-muted: #5E6B5E;
            --color-border: #D9E1D4;
            --radius-card: 20px;
            --radius-pill: 999px;
            --radius-input: 12px;
            --shadow-card: 0 8px 24px rgba(46, 66, 49, 0.07);
            --shadow-card-hover: 0 14px 34px rgba(46, 66, 49, 0.12);
            --transition: all 0.28s ease;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', Georgia, serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
        }

        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body { font-family: var(--font-sans); font-size: 16px; line-height: 1.85; color: var(--color-text-body); background: var(--color-bg-main); overflow-x: hidden; }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--color-primary-dark); }
        a:focus, button:focus, input:focus, textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 2px; }
        button { font-family: var(--font-sans); cursor: pointer; border: none; background: none; }
        input, textarea { font-family: var(--font-sans); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; width: 100%; }

        section { padding: 72px 0; }
        section.section-alt { background: var(--color-bg-alt); }
        section.section-plain { background: var(--color-bg-main); }
        section.section-warm { background: linear-gradient(180deg, #FDFBF7 0%, #F6F8F3 100%); }

        .section-tag { display: inline-block; font-size: 13px; font-weight: 600; color: var(--color-primary); background: var(--color-primary-light); padding: 4px 14px; border-radius: var(--radius-pill); margin-bottom: 12px; letter-spacing: 0.5px; }
        .section-title { font-family: var(--font-serif); font-size: 28px; font-weight: 700; line-height: 1.4; color: var(--color-primary-dark); margin-bottom: 12px; }
        .section-desc { font-size: 16px; color: var(--color-text-muted); line-height: 1.85; max-width: 680px; margin-bottom: 32px; }
        .text-center { text-align: center; }
        .text-center .section-desc { margin-left: auto; margin-right: auto; }

        /* Header */
        .site-header { position: sticky; top: 0; z-index: 100; background: rgba(253, 251, 247, 0.96); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--color-border); }
        .site-header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
        .logo { font-family: var(--font-serif); font-size: 20px; font-weight: 700; color: var(--color-primary-dark); white-space: nowrap; letter-spacing: 0.3px; }
        .logo:hover { color: var(--color-primary); }
        .logo .logo-sub { font-size: 13px; font-weight: 400; color: var(--color-text-muted); display: block; font-family: var(--font-sans); letter-spacing: 0; }
        .site-nav { display: flex; align-items: center; gap: 28px; }
        .site-nav a { font-size: 15px; font-weight: 500; color: var(--color-text-body); padding: 6px 2px; position: relative; white-space: nowrap; }
        .site-nav a:hover, .site-nav a.active { color: var(--color-primary); }
        .site-nav a.active::after { content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 2px; background: var(--color-primary); border-radius: 2px; }
        .site-nav a:not(.active)::after { content: ''; position: absolute; bottom: -2px; left: 50%; right: 50%; height: 2px; background: var(--color-primary); border-radius: 2px; transition: var(--transition); }
        .site-nav a:not(.active):hover::after { left: 0; right: 0; }
        .nav-toggle { display: none; font-size: 26px; color: var(--color-primary-dark); padding: 4px 8px; border-radius: 8px; }
        .nav-toggle:hover { background: var(--color-primary-light); }

        /* Breadcrumb */
        .breadcrumb-wrap { background: var(--color-bg-alt); padding: 16px 0; border-bottom: 1px solid var(--color-border); }
        .breadcrumb-trail { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--color-text-muted); }
        .breadcrumb-trail a { color: var(--color-text-muted); }
        .breadcrumb-trail a:hover { color: var(--color-primary); }
        .breadcrumb-trail .sep { color: #B8C7B4; }
        .breadcrumb-trail .current { color: var(--color-primary-dark); font-weight: 600; }

        /* Category Page Header */
        .cat-header { padding: 52px 0 40px; background: var(--color-bg-main); position: relative; overflow: hidden; }
        .cat-header::before { content: ''; position: absolute; top: -80px; right: -40px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(111,143,114,0.06) 0%, transparent 70%); pointer-events: none; }
        .cat-header .container { position: relative; z-index: 1; display: grid; grid-template-columns: 7fr 5fr; gap: 36px; align-items: center; }
        .cat-header h1 { font-family: var(--font-serif); font-size: 34px; font-weight: 700; line-height: 1.35; color: var(--color-primary-dark); margin-bottom: 14px; }
        .cat-header .cat-intro { font-size: 16px; color: var(--color-text-muted); line-height: 1.85; max-width: 560px; }
        .cat-header-visual { border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-card); aspect-ratio: 4/3; background: var(--color-primary-light); }
        .cat-header-visual img { width: 100%; height: 100%; object-fit: cover; }

        /* Steps Overview */
        .steps-overview { padding: 48px 0; }
        .steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .step-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 28px 24px; text-align: center; box-shadow: var(--shadow-card); transition: var(--transition); }
        .step-card:hover { box-shadow: var(--shadow-card-hover); border-color: var(--color-primary); transform: translateY(-2px); }
        .step-number { font-family: var(--font-serif); font-size: 42px; font-weight: 700; color: var(--color-primary); line-height: 1.2; margin-bottom: 10px; }
        .step-card h3 { font-size: 18px; font-weight: 600; color: var(--color-primary-dark); margin-bottom: 8px; }
        .step-card p { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 0; }

        /* Article Cards Grid */
        .article-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-card); transition: var(--transition); height: 100%; display: flex; flex-direction: column; }
        .article-card:hover { box-shadow: var(--shadow-card-hover); border-color: var(--color-primary); transform: translateY(-3px); }
        .article-card-image { aspect-ratio: 16/10; background: var(--color-primary-light); overflow: hidden; position: relative; }
        .article-card-image img { width: 100%; height: 100%; object-fit: cover; }
        .article-card-body { padding: 20px 20px 18px; display: flex; flex-direction: column; flex: 1; }
        .article-badge { display: inline-block; font-size: 12px; font-weight: 600; color: var(--color-primary); background: var(--color-primary-light); padding: 3px 12px; border-radius: var(--radius-pill); margin-bottom: 10px; align-self: flex-start; }
        .article-card-body h3 { font-size: 17px; font-weight: 600; line-height: 1.5; color: var(--color-primary-dark); margin-bottom: 8px; }
        .article-card-body h3 a { color: var(--color-primary-dark); }
        .article-card-body h3 a:hover { color: var(--color-primary); }
        .article-card-body .article-excerpt { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 14px; flex: 1; }
        .article-meta { font-size: 12px; color: var(--color-text-muted); display: flex; align-items: center; gap: 12px; }
        .article-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: #B8C7B4; }
        .article-link { font-size: 14px; font-weight: 600; color: var(--color-primary); display: inline-flex; align-items: center; gap: 4px; margin-top: 10px; }
        .article-link:hover { color: var(--color-primary-dark); gap: 8px; }

        .empty-state { text-align: center; padding: 48px 24px; background: var(--color-bg-alt); border-radius: var(--radius-card); color: var(--color-text-muted); font-size: 15px; }

        /* Timeline */
        .timeline { position: relative; max-width: 720px; margin: 0 auto; padding-left: 32px; }
        .timeline::before { content: ''; position: absolute; left: 11px; top: 10px; bottom: 10px; width: 2px; background: var(--color-primary-light); }
        .timeline-item { position: relative; margin-bottom: 32px; padding: 20px 24px; background: #fff; border: 1px solid var(--color-border); border-radius: 16px; box-shadow: var(--shadow-card); transition: var(--transition); }
        .timeline-item:hover { border-color: var(--color-primary); box-shadow: var(--shadow-card-hover); }
        .timeline-item::before { content: ''; position: absolute; left: -28px; top: 28px; width: 12px; height: 12px; border-radius: 50%; background: var(--color-primary); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--color-primary); }
        .timeline-time { font-size: 12px; font-weight: 600; color: var(--color-gold); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
        .timeline-item h4 { font-size: 17px; font-weight: 600; color: var(--color-primary-dark); margin-bottom: 6px; }
        .timeline-item p { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 0; }

        /* Pairing Advice */
        .pairing-card { display: grid; grid-template-columns: 5fr 7fr; gap: 0; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-card); transition: var(--transition); }
        .pairing-card:hover { box-shadow: var(--shadow-card-hover); border-color: var(--color-primary); }
        .pairing-visual { background: var(--color-primary-light); aspect-ratio: 4/3; overflow: hidden; }
        .pairing-visual img { width: 100%; height: 100%; object-fit: cover; }
        .pairing-body { padding: 32px 28px; display: flex; flex-direction: column; justify-content: center; }
        .pairing-body h3 { font-size: 20px; font-weight: 600; color: var(--color-primary-dark); margin-bottom: 12px; }
        .pairing-body ul { list-style: none; padding: 0; margin: 0 0 16px; }
        .pairing-body ul li { position: relative; padding-left: 22px; font-size: 14px; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 6px; }
        .pairing-body ul li::before { content: '◆'; position: absolute; left: 0; top: 0; font-size: 10px; color: var(--color-primary); line-height: 1.7; }

        /* Warning Card */
        .warning-card { background: linear-gradient(135deg, #FDF6F0 0%, #F8F1E7 100%); border: 1px solid #E8D5C0; border-radius: var(--radius-card); padding: 28px 24px; position: relative; overflow: hidden; }
        .warning-card::before { content: '⚠'; position: absolute; right: 20px; top: 20px; font-size: 40px; opacity: 0.25; }
        .warning-card h3 { font-size: 18px; font-weight: 600; color: var(--color-primary-dark); margin-bottom: 12px; }
        .warning-card ul { list-style: none; padding: 0; margin: 0; }
        .warning-card ul li { position: relative; padding-left: 20px; font-size: 14px; color: var(--color-text-muted); line-height: 1.8; margin-bottom: 6px; }
        .warning-card ul li::before { content: '·'; position: absolute; left: 4px; top: 0; font-weight: 700; color: var(--color-gold); }

        /* FAQ */
        .faq-list { max-width: 860px; margin: 0 auto; }
        .faq-item { background: #fff; border: 1px solid var(--color-border); border-radius: 16px; margin-bottom: 14px; overflow: hidden; transition: var(--transition); }
        .faq-item.active { border-color: var(--color-primary); box-shadow: var(--shadow-card); }
        .faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; font-size: 16px; font-weight: 600; color: var(--color-primary-dark); text-align: left; transition: var(--transition); }
        .faq-question:hover { color: var(--color-primary); }
        .faq-question .faq-arrow { font-size: 18px; color: var(--color-primary); transition: var(--transition); flex-shrink: 0; }
        .faq-item.active .faq-question { background: var(--color-primary-light); }
        .faq-item.active .faq-arrow { transform: rotate(180deg); }
        .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
        .faq-item.active .faq-answer { max-height: 300px; }
        .faq-answer-inner { padding: 4px 22px 20px; font-size: 14px; color: var(--color-text-muted); line-height: 1.8; background: var(--color-bg-alt); }

        /* CTA */
        .cta-bar { background: var(--color-primary); border-radius: var(--radius-card); padding: 48px 40px; color: #fff; position: relative; overflow: hidden; }
        .cta-bar::before { content: ''; position: absolute; top: -60px; right: -40px; width: 260px; height: 260px; border-radius: 50%; background: rgba(255,255,255,0.06); pointer-events: none; }
        .cta-bar h2 { font-family: var(--font-serif); font-size: 26px; font-weight: 700; color: #fff; margin-bottom: 10px; position: relative; z-index: 1; }
        .cta-bar p { font-size: 15px; color: rgba(255,255,255,0.85); line-height: 1.8; margin-bottom: 20px; position: relative; z-index: 1; max-width: 560px; }
        .cta-bar .btn-white { background: #fff; color: var(--color-primary-dark); padding: 12px 26px; border-radius: var(--radius-pill); font-size: 15px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; transition: var(--transition); position: relative; z-index: 1; }
        .cta-bar .btn-white:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-2px); }
        .cta-bar .btn-outline-white { background: transparent; border: 1px solid rgba(255,255,255,0.6); color: #fff; padding: 12px 26px; border-radius: var(--radius-pill); font-size: 15px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; transition: var(--transition); position: relative; z-index: 1; }
        .cta-bar .btn-outline-white:hover { background: rgba(255,255,255,0.1); border-color: #fff; transform: translateY(-2px); }

        /* Form */
        .subscribe-form { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; position: relative; z-index: 1; }
        .subscribe-form input { flex: 1; min-width: 240px; padding: 12px 16px; border-radius: var(--radius-input); border: 1px solid var(--color-border); background: #fff; font-size: 15px; color: var(--color-text-body); transition: var(--transition); }
        .subscribe-form input:focus { border-color: var(--color-primary); outline: 2px solid var(--color-primary); outline-offset: 1px; }
        .subscribe-form .btn-submit { background: var(--color-primary-dark); color: #fff; padding: 12px 28px; border-radius: var(--radius-pill); font-size: 15px; font-weight: 600; transition: var(--transition); white-space: nowrap; }
        .subscribe-form .btn-submit:hover { background: #3D5242; transform: translateY(-2px); }
        .form-note { font-size: 12px; color: rgba(255,255,255,0.65); margin-top: 10px; position: relative; z-index: 1; }

        /* Footer */
        .site-footer { background: var(--color-primary-dark); color: rgba(255,255,255,0.8); padding: 64px 0 28px; margin-top: 0; }
        .footer-grid { display: grid; grid-template-columns: 2.2fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand h3 { font-family: var(--font-serif); font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 12px; }
        .footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.65); }
        .footer-col h4 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 16px; }
        .footer-col a { display: block; font-size: 13px; color: rgba(255,255,255,0.6); margin-bottom: 10px; transition: var(--transition); }
        .footer-col a:hover { color: #fff; transform: translateX(3px); }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.15); padding-top: 20px; text-align: center; font-size: 13px; color: rgba(255,255,255,0.5); line-height: 1.8; }

        /* Responsive */
        @media (max-width: 1024px) {
            .cat-header .container { grid-template-columns: 1fr; gap: 24px; }
            .cat-header-visual { aspect-ratio: 16/9; max-height: 320px; }
            .pairing-card { grid-template-columns: 1fr; }
            .pairing-visual { aspect-ratio: 16/9; max-height: 280px; }
            .steps-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
        }
        @media (max-width: 768px) {
            .site-header .container { height: 56px; }
            .logo { font-size: 17px; }
            .logo .logo-sub { font-size: 11px; }
            .nav-toggle { display: block; }
            .site-nav { display: none; position: absolute; top: 56px; left: 0; right: 0; background: var(--color-bg-main); border-bottom: 1px solid var(--color-border); flex-direction: column; gap: 0; padding: 12px 24px; box-shadow: 0 12px 24px rgba(46,66,49,0.08); }
            .site-nav.open { display: flex; }
            .site-nav a { padding: 12px 0; font-size: 15px; border-bottom: 1px solid var(--color-primary-light); }
            .site-nav a:last-child { border-bottom: none; }
            .site-nav a.active::after { display: none; }
            .site-nav a.active { background: var(--color-primary-light); padding-left: 14px; border-radius: 8px; }

            section { padding: 48px 0; }
            .section-title { font-size: 24px; }
            .cat-header { padding: 36px 0 28px; }
            .cat-header h1 { font-size: 28px; }
            .steps-grid { grid-template-columns: 1fr; gap: 14px; }
            .step-number { font-size: 34px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
            .cta-bar { padding: 36px 24px; }
            .pairing-body { padding: 24px 20px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            section { padding: 40px 0; }
            .cat-header h1 { font-size: 24px; }
            .cat-header .cat-intro { font-size: 15px; }
            .section-title { font-size: 22px; }
            .footer-grid { grid-template-columns: 1fr; gap: 20px; }
            .footer-bottom { font-size: 12px; }
            .subscribe-form { flex-direction: column; }
            .subscribe-form input { min-width: 100%; }
            .subscribe-form .btn-submit { width: 100%; }
            .article-card-body h3 { font-size: 16px; }
            .timeline { padding-left: 24px; }
            .timeline-item { padding: 16px 18px; }
            .timeline-item::before { left: -21px; }
            .warning-card { padding: 22px 18px; }
        }