/* roulang page: index */
:root {
            --primary: #8B5E3C;
            --primary-dark: #6E452A;
            --primary-light: #A97B55;
            --accent: #B85C38;
            --accent-dark: #96472A;
            --accent-light: #D68A66;
            --bg-warm: #FAF6F0;
            --bg-sand: #F5EDE3;
            --bg-cream: #FDFBF7;
            --bg-deep: #2C1810;
            --text: #2C1810;
            --text-body: #4A3526;
            --text-light: #8A7568;
            --text-mute: #B5A394;
            --border: rgba(60, 40, 20, .08);
            --border-light: rgba(60, 40, 20, .06);
            --shadow-sm: 0 2px 8px rgba(60, 40, 20, .06);
            --shadow-lg: 0 8px 24px rgba(60, 40, 20, .08);
            --radius: 14px;
            --radius-sm: 10px;
            --radius-lg: 20px;
            --space-section: 88px;
            --space-section-mobile: 56px;
            --header-h: 64px;
            --transition: .25s cubic-bezier(.4, 0, .2, 1);
            --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 130px;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(184, 92, 56, .35);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--space-section) 0;
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }
        .section-head .tag {
            display: inline-block;
            background: rgba(139, 94, 60, .1);
            color: var(--primary-dark);
            font-size: 13px;
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 14px;
            letter-spacing: 1px;
            font-weight: 600;
        }
        .section-head h2 {
            font-size: 30px;
            color: var(--text);
            line-height: 1.35;
            margin-bottom: 16px;
            font-weight: 700;
            letter-spacing: -0.5px;
        }
        .section-head p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-light);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            border: 2px solid transparent;
            letter-spacing: .5px;
            min-height: 46px;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(184, 92, 56, .25);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(184, 92, 56, .35);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(184, 92, 56, .2);
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(139, 94, 60, .35);
            color: var(--primary-dark);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(139, 94, 60, .06);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-light {
            background: #fff;
            color: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(0, 0, 0, .1);
        }
        .btn-light:hover {
            background: var(--bg-sand);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(253, 251, 247, .95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(60, 40, 20, .06);
        }
        .header-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            gap: 16px;
        }
        .logo {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: .5px;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .logo:hover {
            color: var(--primary);
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .header-nav a {
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 15px;
            color: var(--text-body);
            font-weight: 500;
            transition: all var(--transition);
        }
        .header-nav a:hover {
            background: rgba(139, 94, 60, .08);
            color: var(--primary-dark);
        }
        .header-nav a.active {
            background: rgba(139, 94, 60, .12);
            color: var(--primary-dark);
            font-weight: 600;
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-cta .btn {
            padding: 9px 22px;
            min-height: 38px;
            font-size: 14px;
        }
        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            background: rgba(139, 94, 60, .08);
            color: var(--text);
            font-size: 20px;
            transition: background var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(139, 94, 60, .16);
        }

        /* Progress Steps */
        .progress-bar-wrap {
            border-top: 1px solid var(--border-light);
            background: rgba(253, 251, 247, .92);
            padding: 10px 0;
        }
        .progress-steps {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0;
            max-width: 800px;
            margin: 0 auto;
        }
        .progress-step {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-mute);
            font-size: 13px;
            font-weight: 500;
            transition: color var(--transition);
            padding: 4px 6px;
            border-radius: 6px;
            position: relative;
            white-space: nowrap;
        }
        .progress-step:hover {
            color: var(--primary);
        }
        .progress-step .step-dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(60, 40, 20, .06);
            border: 2px solid rgba(60, 40, 20, .1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            transition: all var(--transition);
            flex-shrink: 0;
        }
        .progress-step.active {
            color: var(--primary-dark);
            font-weight: 600;
        }
        .progress-step.active .step-dot {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
            box-shadow: 0 2px 8px rgba(184, 92, 56, .35);
        }
        .progress-step.done .step-dot {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .progress-step.done .step-dot::after {
            content: "✓";
            font-size: 13px;
        }
        .progress-step.done .step-dot span {
            display: none;
        }
        .step-line {
            width: 48px;
            height: 2px;
            background: rgba(60, 40, 20, .1);
            border-radius: 2px;
            flex-shrink: 0;
            margin: 0 8px;
        }
        .step-line.active-line {
            background: var(--accent);
        }

        /* Mobile nav */
        .mobile-nav {
            display: none;
            background: var(--bg-cream);
            border-top: 1px solid var(--border-light);
            padding: 12px 24px 20px;
        }
        .mobile-nav.open {
            display: block;
        }
        .mobile-nav a {
            display: block;
            padding: 12px 16px;
            border-radius: 10px;
            color: var(--text-body);
            font-size: 15px;
            font-weight: 500;
            transition: background var(--transition);
        }
        .mobile-nav a:hover {
            background: rgba(139, 94, 60, .08);
        }
        .mobile-nav .btn {
            margin-top: 12px;
            width: 100%;
        }

        /* Hero */
        .hero {
            position: relative;
            padding: 80px 0 90px;
            background: linear-gradient(135deg, var(--bg-sand) 0%, var(--bg-warm) 50%, #F0E4D4 100%);
            overflow: hidden;
        }
        .hero::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 60%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: .18;
            z-index: 0;
        }
        .hero::after {
            content: "";
            position: absolute;
            bottom: -40px;
            left: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(184, 92, 56, .08) 0%, transparent 70%);
            z-index: 0;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 64px;
            align-items: center;
        }
        .hero-content .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(139, 94, 60, .1);
            border: 1px solid rgba(139, 94, 60, .15);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 20px;
            letter-spacing: .5px;
        }
        .hero-content .hero-badge i {
            font-style: normal;
            font-size: 16px;
        }
        .hero-content h1 {
            font-size: 38px;
            line-height: 1.3;
            color: var(--text);
            font-weight: 800;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }
        .hero-content h1 .highlight {
            color: var(--accent);
            position: relative;
        }
        .hero-content .hero-sub {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-light);
            max-width: 480px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .hero-meta {
            display: flex;
            gap: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }
        .hero-meta .meta-item {
            display: flex;
            flex-direction: column;
        }
        .hero-meta .meta-num {
            font-size: 24px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
        }
        .hero-meta .meta-label {
            font-size: 13px;
            color: var(--text-light);
            margin-top: 4px;
        }
        .hero-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
            min-height: 360px;
            background-image: url('/assets/images/coverpic/cover-1.jpg');
            background-size: cover;
            background-position: center;
        }
        .hero-visual::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(44, 24, 16, .55) 0%, transparent 40%);
        }
        .hero-visual .visual-caption {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            z-index: 2;
            color: #fff;
            background: rgba(44, 24, 16, .45);
            backdrop-filter: blur(4px);
            border-radius: 12px;
            padding: 14px 18px;
            font-size: 14px;
            line-height: 1.6;
            border: 1px solid rgba(255, 255, 255, .1);
        }

        /* Pain Section */
        .pain-section {
            background: var(--bg-cream);
        }
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .pain-card {
            background: var(--bg-cream);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }
        .pain-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .pain-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(to right, var(--primary-light), transparent);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .pain-card:hover::before {
            opacity: 1;
        }
        .pain-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(139, 94, 60, .1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
            color: var(--primary);
        }
        .pain-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .pain-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-light);
        }

        /* Solution */
        .solution-section {
            background: linear-gradient(180deg, var(--bg-warm) 0%, var(--bg-sand) 100%);
        }
        .steps-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-cream);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 24px;
            position: relative;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            scroll-margin-top: 140px;
        }
        .step-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(139, 94, 60, .2);
        }
        .step-card .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            box-shadow: 0 4px 12px rgba(184, 92, 56, .3);
        }
        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }
        .step-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-light);
        }
        .step-card .step-tag {
            display: inline-block;
            position: absolute;
            top: 18px;
            right: 18px;
            font-size: 11px;
            color: var(--text-mute);
            background: var(--bg-sand);
            padding: 3px 10px;
            border-radius: 30px;
            letter-spacing: .5px;
        }

        /* Results */
        .results-section {
            background: var(--bg-cream);
        }
        .results-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .results-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 320px;
            background-image: url('/assets/images/coverpic/cover-2.jpg');
            background-size: cover;
            background-position: center;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .results-visual .visual-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(44, 24, 16, .7);
            color: #fff;
            font-size: 12px;
            padding: 5px 14px;
            border-radius: 30px;
            backdrop-filter: blur(4px);
        }
        .results-list-wrap {
            padding: 0 8px;
        }
        .results-list-wrap h2 {
            font-size: 28px;
            color: var(--text);
            line-height: 1.35;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .results-list-wrap .intro {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .result-items {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .result-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
            align-items: flex-start;
            transition: background var(--transition);
        }
        .result-item:last-child {
            border-bottom: none;
        }
        .result-item:hover {
            background: rgba(139, 94, 60, .03);
            border-radius: 10px;
            padding-left: 8px;
            padding-right: 8px;
        }
        .result-item .result-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(139, 94, 60, .1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .result-item .result-text h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .result-item .result-text p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.65;
        }
        .results-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }
        .results-stat {
            text-align: center;
        }
        .results-stat .num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .results-stat .label {
            font-size: 13px;
            color: var(--text-light);
            margin-top: 4px;
        }

        /* Testimonials */
        .testimonials-section {
            background: var(--bg-sand);
        }
        .testi-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testi-card {
            background: var(--bg-cream);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 26px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
        }
        .testi-card::before {
            content: "\201C";
            position: absolute;
            top: 12px;
            right: 24px;
            font-size: 64px;
            color: rgba(139, 94, 60, .1);
            font-family: Georgia, serif;
            line-height: 1;
            pointer-events: none;
        }
        .testi-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .testi-stars {
            display: flex;
            gap: 3px;
            margin-bottom: 14px;
            color: #D4A528;
            font-size: 15px;
            letter-spacing: 2px;
        }
        .testi-card blockquote {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-body);
            margin-bottom: 20px;
            font-style: normal;
        }
        .testi-user {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 16px;
            border-top: 1px solid var(--border-light);
        }
        .testi-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .testi-user .user-info {
            display: flex;
            flex-direction: column;
        }
        .testi-user .user-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
        }
        .testi-user .user-tag {
            font-size: 12px;
            color: var(--text-mute);
        }

        /* Articles */
        .articles-section {
            background: var(--bg-cream);
        }
        .articles-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 48px;
            align-items: start;
        }
        .article-list-main {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .article-item {
            display: flex;
            gap: 20px;
            background: var(--bg-cream);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            transition: all var(--transition);
            align-items: center;
        }
        .article-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: rgba(139, 94, 60, .15);
        }
        .article-item .article-thumb {
            width: 120px;
            min-width: 120px;
            height: 90px;
            border-radius: 10px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }
        .article-item .article-content {
            flex: 1;
        }
        .article-item .article-tag {
            font-size: 12px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 4px;
            display: block;
        }
        .article-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 6px;
            transition: color var(--transition);
        }
        .article-item:hover h3 {
            color: var(--accent);
        }
        .article-item .article-excerpt {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-sidebar {
            background: var(--bg-sand);
            border-radius: var(--radius);
            padding: 28px;
            border: 1px solid var(--border);
        }
        .article-sidebar h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid rgba(139, 94, 60, .15);
        }
        .sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 8px;
            font-size: 14px;
            color: var(--text-body);
            transition: all var(--transition);
            line-height: 1.5;
        }
        .sidebar-list a:hover {
            background: rgba(139, 94, 60, .08);
            color: var(--primary-dark);
            padding-left: 18px;
        }
        .sidebar-list a::before {
            content: "→";
            color: var(--accent);
            font-size: 13px;
            flex-shrink: 0;
        }
        .sidebar-tip {
            margin-top: 24px;
            background: rgba(139, 94, 60, .06);
            border-radius: 12px;
            padding: 20px;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            border: 1px solid rgba(139, 94, 60, .1);
        }
        .sidebar-tip strong {
            color: var(--primary-dark);
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-warm);
        }
        .faq-wrap {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            transition: background var(--transition);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 22px 12px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            transition: color var(--transition);
            width: 100%;
            text-align: left;
            background: transparent;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2px solid rgba(139, 94, 60, .3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            transition: all var(--transition);
            flex-shrink: 0;
            font-style: normal;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s cubic-bezier(.4, 0, .2, 1);
        }
        .faq-answer .answer-inner {
            padding: 0 12px 24px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-light);
            max-width: 680px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        /* CTA Section */
        .cta-section {
            position: relative;
            padding: var(--space-section) 0;
            background: var(--bg-deep);
            color: #fff;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            opacity: .25;
        }
        .cta-section::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 60%;
            background: linear-gradient(to top, rgba(44, 24, 16, .75), transparent);
            z-index: 1;
        }
        .cta-wrap {
            position: relative;
            z-index: 2;
            max-width: 1000px;
            margin: 0 auto;
            text-align: center;
        }
        .cta-wrap h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }
        .cta-wrap .cta-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .85);
            max-width: 560px;
            margin: 0 auto 36px;
        }
        .cta-form-wrap {
            background: rgba(255, 255, 255, .1);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, .15);
            border-radius: var(--radius-lg);
            padding: 36px;
            text-align: left;
            max-width: 620px;
            margin: 0 auto;
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group.full {
            grid-column: 1 / -1;
        }
        .form-group label {
            font-size: 14px;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 8px;
            font-weight: 500;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, .2);
            background: rgba(255, 255, 255, .1);
            color: #fff;
            font-size: 15px;
            font-family: inherit;
            transition: all var(--transition);
            min-height: 46px;
        }
        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: rgba(255, 255, 255, .45);
        }
        .form-group select option {
            background: var(--bg-deep);
            color: #fff;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: rgba(255, 255, 255, .5);
            background: rgba(255, 255, 255, .16);
            outline: none;
        }
        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }
        .form-submit {
            grid-column: 1 / -1;
            margin-top: 8px;
        }
        .form-submit .btn {
            width: 100%;
            min-height: 50px;
            font-size: 16px;
        }
        .form-note {
            margin-top: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
            text-align: center;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, .65);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-about .footer-logo {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            display: block;
        }
        .footer-about p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .55);
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col a {
            color: rgba(255, 255, 255, .55);
            font-size: 14px;
            transition: all var(--transition);
        }
        .footer-col a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-contact p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .55);
            margin-bottom: 12px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        /* Back to top */
        .back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: var(--shadow-lg);
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition);
            z-index: 999;
            border: 2px solid rgba(255, 255, 255, .3);
        }
        .back-top.show {
            opacity: 1;
            visibility: visible;
        }
        .back-top:hover {
            background: var(--accent-dark);
            transform: translateY(-4px);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-visual {
                min-height: 300px;
            }
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-flow {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .results-wrap {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .articles-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .testi-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --space-section: 56px;
            }
            .header-nav,
            .header-cta .btn {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .progress-bar-wrap {
                display: none;
            }
            .progress-steps {
                flex-wrap: nowrap;
                overflow-x: auto;
                justify-content: flex-start;
                padding: 0 12px;
            }
            .mobile-progress {
                display: block;
                background: var(--bg-cream);
                border-top: 1px solid var(--border-light);
                padding: 12px 24px;
            }
            .mobile-progress .current-step {
                font-size: 13px;
                color: var(--text-light);
            }
            .mobile-progress .current-step strong {
                color: var(--accent);
                font-size: 15px;
            }
            .hero {
                padding: 48px 0 60px;
            }
            .hero-content h1 {
                font-size: 28px;
            }
            .hero-content .hero-sub {
                font-size: 16px;
            }
            .hero-meta {
                gap: 20px;
                flex-wrap: wrap;
            }
            .hero-visual {
                min-height: 240px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .section-head p {
                font-size: 15px;
            }
            .pain-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .pain-card {
                padding: 20px 16px;
            }
            .pain-card h3 {
                font-size: 15px;
            }
            .steps-flow {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .step-card {
                padding: 24px 20px;
            }
            .results-stats {
                grid-template-columns: 1fr 1fr;
            }
            .testi-grid {
                grid-template-columns: 1fr;
            }
            .article-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .article-item .article-thumb {
                width: 100%;
                height: 160px;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .cta-form-wrap {
                padding: 24px 20px;
            }
            .cta-wrap h2 {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 24px;
            }
            .hero-content .hero-sub {
                font-size: 15px;
            }
            .hero-actions {
                gap: 12px;
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .pain-grid {
                grid-template-columns: 1fr;
            }
            .results-stats {
                grid-template-columns: 1fr;
            }
            .results-stat {
                text-align: left;
                padding: 8px 0;
                border-bottom: 1px solid var(--border-light);
            }
            .results-stat:last-child {
                border-bottom: none;
            }
        }