/* roulang page: index */
:root {
            --brand-green-deep: #0B4D32;
            --brand-green-mid: #158A5C;
            --brand-green-light: #22B378;
            --brand-gold: #C8923E;
            --brand-gold-light: #E0B860;
            --brand-gold-pale: #F5E6C8;
            --bg-warm: #FAF8F5;
            --bg-card: #FFFFFF;
            --bg-light-green: #F2F7F4;
            --bg-dark-cta-start: #0B4D32;
            --bg-dark-cta-end: #0A3D28;
            --text-primary: #1A1A1A;
            --text-secondary: #5A5A5A;
            --text-muted: #8A8A8A;
            --text-inverse: #FFFFFF;
            --border-light: #E8E8E8;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 30px rgba(11, 77, 50, 0.10);
            --shadow-nav: 0 1px 8px rgba(0, 0, 0, 0.06);
            --shadow-badge: 0 4px 20px rgba(11, 77, 50, 0.12);
            --shadow-cta: 0 4px 16px rgba(11, 77, 50, 0.25);
            --shadow-cta-hover: 0 6px 24px rgba(11, 77, 50, 0.35);
            --radius-xs: 10px;
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 18px;
            --radius-xl: 20px;
            --radius-btn: 12px;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', system-ui, -apple-system, sans-serif;
            --section-gap-pc: 100px;
            --section-gap-mobile: 64px;
            --container-max: 1200px;
            --nav-height-pc: 68px;
            --nav-height-mobile: 58px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--nav-height-pc);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-warm);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 40px;
            padding-right: 40px;
        }

        @media (max-width: 640px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            html {
                scroll-padding-top: var(--nav-height-mobile);
            }
        }

        /* ============ NAVIGATION ============ */
        .nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #FFFFFF;
            height: var(--nav-height-pc);
            border-bottom: 1px solid transparent;
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
            display: flex;
            align-items: center;
        }
        .nav.scrolled {
            box-shadow: var(--shadow-nav);
            border-bottom-color: rgba(0, 0, 0, 0.04);
        }
        .nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--brand-green-deep);
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-xs);
            background: linear-gradient(135deg, var(--brand-green-deep), var(--brand-green-mid), var(--brand-gold));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 34px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .nav-links a {
            position: relative;
            padding: 4px 0;
            transition: color 0.25s ease;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--brand-green-mid);
            border-radius: 1px;
            transition: width 0.3s ease;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--brand-green-mid);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            background: linear-gradient(135deg, var(--brand-green-deep), var(--brand-green-mid), var(--brand-gold));
            color: #FFF;
            white-space: nowrap;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            box-shadow: var(--shadow-cta);
            flex-shrink: 0;
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-cta-hover);
            color: #FFF;
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 6px;
            z-index: 1001;
        }
        .nav-hamburger span {
            width: 26px;
            height: 2.5px;
            background: var(--brand-green-deep);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .nav-hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .nav-mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height-mobile);
            left: 0;
            right: 0;
            bottom: 0;
            background: #FFF;
            z-index: 999;
            flex-direction: column;
            padding: 32px 20px;
            gap: 20px;
            overflow-y: auto;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        .nav-mobile-menu.open {
            display: flex;
        }
        .nav-mobile-menu a {
            font-size: 18px;
            font-weight: 500;
            color: var(--text-primary);
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
            transition: color 0.25s ease;
        }
        .nav-mobile-menu a:hover {
            color: var(--brand-green-mid);
        }
        .nav-mobile-menu .nav-cta-btn {
            margin-top: 8px;
            text-align: center;
            justify-content: center;
            font-size: 16px;
            padding: 14px 28px;
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 20px;
                font-size: 14px;
            }
            .nav-cta-btn {
                padding: 9px 16px;
                font-size: 13px;
            }
        }
        @media (max-width: 768px) {
            .nav {
                height: var(--nav-height-mobile);
            }
            .nav-links,
            .nav .nav-cta-btn {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
        }

        /* ============ SECTIONS ============ */
        .section {
            padding: var(--section-gap-pc) 0;
        }
        @media (max-width: 640px) {
            .section {
                padding: var(--section-gap-mobile) 0;
            }
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            color: var(--brand-gold);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            letter-spacing: -0.015em;
            margin-bottom: 16px;
        }
        @media (max-width: 640px) {
            .section-title {
                font-size: 26px;
                line-height: 1.3;
            }
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 600px;
        }

        /* ============ HERO S1 ============ */
        .hero {
            min-height: 85vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding: 40px 0 60px;
        }
        .hero .container {
            display: flex;
            align-items: center;
            gap: 56px;
            width: 100%;
        }
        .hero-text {
            flex: 1 1 50%;
            z-index: 2;
        }
        .hero-text h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.18;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }
        .hero-text h1 .highlight {
            background: linear-gradient(135deg, var(--brand-green-deep), var(--brand-green-mid));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-text .hero-subtitle {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 460px;
        }
        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 15px 36px;
            border-radius: var(--radius-btn);
            font-size: 16px;
            font-weight: 600;
            letter-spacing: -0.005em;
            transition: all 0.3s ease;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--brand-green-deep), var(--brand-green-mid), var(--brand-gold));
            color: #FFF;
            box-shadow: var(--shadow-cta);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-cta-hover);
            color: #FFF;
        }
        .btn-outline {
            background: #FFFFFF;
            color: var(--brand-green-deep);
            border: 2px solid var(--brand-green-mid);
        }
        .btn-outline:hover {
            background: rgba(21, 138, 92, 0.05);
            border-color: var(--brand-green-deep);
        }
        .hero-visual {
            flex: 1 1 50%;
            position: relative;
            min-height: 420px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: linear-gradient(135deg, var(--brand-green-deep), var(--brand-green-mid), var(--brand-gold));
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.2;
            mix-blend-mode: soft-light;
        }
        .hero-visual .hero-float-badge {
            position: absolute;
            background: #FFFFFF;
            border-radius: var(--radius-xl);
            padding: 16px 24px;
            box-shadow: var(--shadow-badge);
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            color: var(--brand-green-deep);
            font-size: 15px;
            animation: floatBadge 4s ease-in-out infinite;
            z-index: 3;
        }
        .hero-visual .hero-float-badge .badge-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--brand-gold);
            line-height: 1;
        }
        .hero-visual .hero-float-badge.badge-1 {
            top: 12%;
            right: 8%;
            animation-delay: 0s;
        }
        .hero-visual .hero-float-badge.badge-2 {
            bottom: 18%;
            left: 6%;
            animation-delay: 1.5s;
        }
        @keyframes floatBadge {
            0%,
            100% {
                transform: translateY(0);
            }
            25% {
                transform: translateY(-10px);
            }
            75% {
                transform: translateY(6px);
            }
        }
        .hero-scroll-indicator {
            position: absolute;
            bottom: 28px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            color: var(--brand-green-mid);
            font-size: 12px;
            letter-spacing: 0.05em;
            z-index: 4;
            animation: pulseScroll 2s ease-in-out infinite;
        }
        .hero-scroll-indicator .scroll-arrow {
            width: 22px;
            height: 22px;
            border-right: 2px solid var(--brand-green-mid);
            border-bottom: 2px solid var(--brand-green-mid);
            transform: rotate(45deg);
        }
        @keyframes pulseScroll {
            0%,
            100% {
                opacity: 1;
                transform: translateX(-50%) translateY(0);
            }
            50% {
                opacity: 0.5;
                transform: translateX(-50%) translateY(8px);
            }
        }

        @media (max-width: 1024px) {
            .hero .container {
                gap: 36px;
            }
            .hero-text h1 {
                font-size: 34px;
            }
            .hero-visual {
                min-height: 340px;
            }
            .hero-visual .hero-float-badge .badge-num {
                font-size: 28px;
            }
            .hero-visual .hero-float-badge {
                padding: 12px 18px;
                font-size: 13px;
            }
        }
        @media (max-width: 768px) {
            .hero {
                min-height: 70vh;
                padding: 20px 0 50px;
            }
            .hero .container {
                flex-direction: column;
                gap: 32px;
                text-align: center;
            }
            .hero-text {
                order: 1;
            }
            .hero-text h1 {
                font-size: 30px;
            }
            .hero-text .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-buttons {
                justify-content: center;
            }
            .hero-visual {
                order: 0;
                width: 100%;
                min-height: 260px;
                border-radius: var(--radius-lg);
            }
            .hero-visual .hero-float-badge.badge-1 {
                top: 8%;
                right: 4%;
            }
            .hero-visual .hero-float-badge.badge-2 {
                bottom: 12%;
                left: 4%;
            }
            .hero-scroll-indicator {
                bottom: 10px;
            }
        }
        @media (max-width: 480px) {
            .hero-text h1 {
                font-size: 26px;
            }
            .hero-visual {
                min-height: 200px;
            }
            .hero-visual .hero-float-badge {
                padding: 10px 14px;
                gap: 8px;
                font-size: 12px;
                border-radius: var(--radius-md);
            }
            .hero-visual .hero-float-badge .badge-num {
                font-size: 24px;
            }
            .btn {
                padding: 13px 26px;
                font-size: 14px;
                width: 100%;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 12px;
            }
        }

        /* ============ S2 PROBLEM ============ */
        .problem-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 28px;
            margin-top: 40px;
        }
        .problem-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            position: relative;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            border-left: 3px solid var(--brand-green-mid);
        }
        .problem-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-left-color: var(--brand-gold);
        }
        .problem-card .problem-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-xs);
            background: rgba(21, 138, 92, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 20px;
            color: var(--brand-green-mid);
            flex-shrink: 0;
        }
        .problem-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .problem-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .problem-card-large {
            grid-row: span 2;
            border-left-width: 4px;
            padding: 40px 32px;
        }
        .problem-card-large .problem-icon {
            width: 52px;
            height: 52px;
            font-size: 24px;
        }
        .problem-card-large h4 {
            font-size: 19px;
        }
        .problem-stack {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        @media (max-width: 768px) {
            .problem-grid {
                grid-template-columns: 1fr;
                gap: 16px;
                margin-top: 28px;
            }
            .problem-card-large {
                grid-row: span 1;
                padding: 28px 24px;
            }
            .problem-card {
                padding: 24px 20px;
            }
        }

        /* ============ S3 SOLUTIONS ============ */
        .solutions-layout {
            display: flex;
            gap: 32px;
            margin-top: 40px;
            align-items: stretch;
        }
        .solution-main-card {
            flex: 1 1 62%;
            background: linear-gradient(135deg, rgba(21, 138, 92, 0.06), rgba(200, 146, 62, 0.06), rgba(245, 230, 200, 0.15));
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .solution-main-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .solution-main-card .solution-img-wrap {
            width: 100%;
            height: 220px;
            overflow: hidden;
            border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        }
        .solution-main-card .solution-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .solution-main-card .solution-body {
            padding: 28px 32px 32px;
            flex: 1;
        }
        .solution-main-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .solution-main-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 18px;
        }
        .solution-badges-inline {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .solution-badges-inline .mini-badge {
            background: #FFF;
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            font-weight: 700;
            font-size: 20px;
            color: var(--brand-green-deep);
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: center;
            gap: 6px;
            border: 1px solid var(--border-light);
        }
        .solution-badges-inline .mini-badge span {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-muted);
        }
        .solution-side-cards {
            flex: 1 1 35%;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .solution-side-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            cursor: pointer;
            border: 1px solid transparent;
        }
        .solution-side-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: rgba(21, 138, 92, 0.15);
        }
        .solution-side-card .side-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-xs);
            background: rgba(21, 138, 92, 0.07);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--brand-green-mid);
            flex-shrink: 0;
        }
        .solution-side-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 3px;
        }
        .solution-side-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        @media (max-width: 900px) {
            .solutions-layout {
                flex-direction: column;
                gap: 20px;
                margin-top: 28px;
            }
            .solution-main-card .solution-img-wrap {
                height: 170px;
            }
            .solution-main-card .solution-body {
                padding: 20px 22px 24px;
            }
            .solution-side-cards {
                flex-direction: row;
                gap: 14px;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 8px;
            }
            .solution-side-card {
                flex: 0 0 240px;
                flex-shrink: 0;
            }
        }
        @media (max-width: 480px) {
            .solution-side-cards {
                flex-direction: column;
                gap: 12px;
                overflow-x: visible;
            }
            .solution-side-card {
                flex: 1 1 auto;
            }
            .solution-badges-inline {
                gap: 10px;
            }
            .solution-badges-inline .mini-badge {
                font-size: 17px;
                padding: 8px 12px;
            }
        }

        /* ============ S4 RESULTS ============ */
        .badges-cluster {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            margin-top: 40px;
        }
        .data-badge {
            width: 130px;
            height: 130px;
            border-radius: 50%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            box-shadow: var(--shadow-badge);
            transition: all 0.35s ease;
            cursor: default;
            position: relative;
        }
        .data-badge.badge-filled {
            background: linear-gradient(135deg, var(--brand-green-deep), var(--brand-green-mid), var(--brand-gold));
            color: #FFF;
        }
        .data-badge.badge-outlined {
            background: #FFF;
            border: 4px solid transparent;
            background-clip: padding-box;
            position: relative;
        }
        .data-badge.badge-outlined::before {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-green-deep), var(--brand-green-mid), var(--brand-gold));
            z-index: -1;
        }
        .data-badge .badge-number {
            font-size: 48px;
            font-weight: 800;
            line-height: 1;
            letter-spacing: -0.02em;
        }
        .data-badge.badge-outlined .badge-number {
            color: var(--brand-green-deep);
        }
        .data-badge .badge-label {
            font-size: 13px;
            font-weight: 500;
            margin-top: 6px;
            letter-spacing: 0.02em;
            opacity: 0.9;
        }
        .data-badge.badge-outlined .badge-label {
            color: var(--text-secondary);
        }
        .data-badge:hover {
            transform: translateY(-6px) scale(1.04);
            box-shadow: 0 8px 32px rgba(11, 77, 50, 0.18);
        }

        @media (max-width: 768px) {
            .badges-cluster {
                gap: 24px;
                margin-top: 28px;
            }
            .data-badge {
                width: 100px;
                height: 100px;
            }
            .data-badge .badge-number {
                font-size: 34px;
            }
            .data-badge .badge-label {
                font-size: 11px;
            }
        }
        @media (max-width: 480px) {
            .badges-cluster {
                gap: 16px;
            }
            .data-badge {
                width: 80px;
                height: 80px;
                border-radius: var(--radius-xl);
            }
            .data-badge.badge-outlined::before {
                border-radius: var(--radius-xl);
            }
            .data-badge .badge-number {
                font-size: 28px;
            }
            .data-badge .badge-label {
                font-size: 10px;
                margin-top: 2px;
            }
            .data-badge.badge-outlined {
                border-width: 3px;
            }
            .data-badge.badge-outlined::before {
                inset: -3px;
            }
        }

        /* ============ S5 TESTIMONIALS ============ */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 40px;
        }
        .testimonial-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 36px 30px 30px;
            position: relative;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .testimonial-card .quote-mark {
            position: absolute;
            top: 20px;
            left: 24px;
            font-size: 80px;
            font-weight: 800;
            color: var(--brand-green-mid);
            opacity: 0.09;
            line-height: 1;
            pointer-events: none;
            font-family: Georgia, 'Times New Roman', serif;
        }
        .testimonial-card .testimonial-text {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
            font-style: italic;
        }
        .testimonial-card .testimonial-divider {
            width: 40px;
            height: 2px;
            background: var(--brand-gold);
            border-radius: 1px;
            margin-bottom: 14px;
        }
        .testimonial-card .testimonial-author {
            font-weight: 700;
            font-size: 15px;
            color: var(--text-primary);
        }
        .testimonial-card .testimonial-role {
            font-size: 13px;
            color: var(--text-muted);
        }

        @media (max-width: 900px) {
            .testimonials-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
                margin-top: 28px;
            }
        }
        @media (max-width: 600px) {
            .testimonials-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .testimonial-card {
                padding: 26px 22px 24px;
            }
            .testimonial-card .quote-mark {
                font-size: 60px;
                top: 12px;
                left: 16px;
            }
        }

        /* ============ S6 FAQ ============ */
        .faq-list {
            margin-top: 36px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item.active {
            background: rgba(21, 138, 92, 0.04);
            border-color: rgba(21, 138, 92, 0.2);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            cursor: pointer;
            transition: color 0.25s ease;
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--brand-green-mid);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(21, 138, 92, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all 0.35s ease;
            font-size: 14px;
            font-weight: 700;
            color: var(--brand-green-mid);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--brand-green-mid);
            color: #FFF;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 480px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-answer-inner {
                padding: 0 18px 16px;
                font-size: 14px;
            }
        }

        /* ============ S7 CTA BANNER ============ */
        .cta-banner {
            background: linear-gradient(135deg, var(--bg-dark-cta-start), var(--bg-dark-cta-end));
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.06);
            top: -60px;
            right: -80px;
            pointer-events: none;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.05);
            bottom: -40px;
            left: -50px;
            pointer-events: none;
        }
        .cta-banner .container {
            position: relative;
            z-index: 2;
        }
        .cta-banner h2 {
            font-size: 34px;
            font-weight: 700;
            color: #FFF;
            letter-spacing: -0.015em;
            margin-bottom: 14px;
        }
        .cta-banner .cta-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-white {
            display: inline-flex;
            align-items: center;
            background: #FFF;
            color: var(--brand-green-deep);
            padding: 16px 44px;
            border-radius: var(--radius-btn);
            font-size: 17px;
            font-weight: 700;
            letter-spacing: -0.005em;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .btn-cta-white:hover {
            background: #F5F6F0;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
            color: var(--brand-green-deep);
        }

        @media (max-width: 640px) {
            .cta-banner {
                padding: 56px 0;
            }
            .cta-banner h2 {
                font-size: 26px;
            }
            .cta-banner .cta-subtitle {
                font-size: 15px;
            }
            .btn-cta-white {
                padding: 14px 32px;
                font-size: 15px;
            }
        }

        /* ============ FOOTER ============ */
        .footer {
            background: var(--bg-light-green);
            padding: 48px 0 24px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1.5fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.65;
            color: var(--text-secondary);
            margin-top: 8px;
            max-width: 320px;
        }
        .footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.005em;
        }
        .footer-contact p {
            margin-bottom: 6px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 4px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(21, 138, 92, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-green-mid);
            transition: all 0.3s ease;
            font-size: 15px;
        }
        .footer-social a:hover {
            background: var(--brand-green-mid);
            color: #FFF;
        }
        .footer-divider {
            border-top: 1px solid rgba(0, 0, 0, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
                text-align: center;
            }
            .footer-brand-desc {
                max-width: 100%;
            }
            .footer-social {
                justify-content: center;
            }
        }

        /* ============ UTILITY ============ */
        .text-center {
            text-align: center;
        }
        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .bg-light-green {
            background: var(--bg-light-green);
        }
        @media (max-width: 640px) {
            .section-title {
                font-size: 25px;
            }
        }