/* roulang page: index */
:root {
            --color-primary: #1E6DF2;
            --color-primary-hover: #1a5ed6;
            --color-accent: #FF5C3C;
            --color-accent-hover: #e84d30;
            --color-success: #00C897;
            --color-text: #1B1B2F;
            --color-text-secondary: #5A6170;
            --color-text-muted: #949BA8;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F7F9FC;
            --color-bg-highlight: #F0F4FF;
            --color-border: #E8ECF2;
            --color-footer-bg: #1B1B2F;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Inter', system-ui, -apple-system, sans-serif;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-pill: 20px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.03);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-nav: 0 1px 0 rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.03);
            --shadow-hero-img: 0 12px 40px rgba(30, 109, 242, 0.10);
            --shadow-cta-btn: 0 4px 12px rgba(255, 92, 60, 0.25);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.3s ease-in-out;
            --container-max: 1200px;
            --nav-height-pc: 64px;
            --nav-height-mobile: 56px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== NAVIGATION ========== */
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height-pc);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            transition: box-shadow var(--transition-normal), background var(--transition-normal);
        }

        .nav--scrolled {
            background: #FFFFFF;
            box-shadow: var(--shadow-nav);
        }

        .nav__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .nav__logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }

        .nav__logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav__links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }

        .nav__links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }

        .nav__links a:hover,
        .nav__links a.nav__link--active {
            color: var(--color-primary);
        }

        .nav__links a.nav__link--active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
        }

        .nav__cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.02em;
            color: #FFFFFF;
            background: var(--color-accent);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-cta-btn);
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .nav__cta:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 18px rgba(255, 92, 60, 0.35);
        }

        .nav__hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: transparent;
            border: none;
            width: 40px;
            height: 34px;
            justify-content: center;
            align-items: center;
        }

        .nav__hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-text);
            border-radius: 1px;
            transition: all var(--transition-fast);
        }

        .nav__hamburger--open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav__hamburger--open span:nth-child(2) {
            opacity: 0;
        }
        .nav__hamburger--open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .nav__mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: #FFFFFF;
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            list-style: none;
            padding: 0;
        }

        .nav__mobile-menu--open {
            display: flex;
        }

        .nav__mobile-menu a {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            padding: 10px 20px;
            transition: color var(--transition-fast);
        }

        .nav__mobile-menu a:hover {
            color: var(--color-primary);
        }

        .nav__mobile-menu .nav__cta {
            margin-top: 8px;
            font-size: 16px;
            padding: 12px 28px;
        }

        @media (max-width: 768px) {
            .nav {
                height: var(--nav-height-mobile);
            }
            .nav__links {
                display: none;
            }
            .nav__cta-desktop {
                display: none;
            }
            .nav__hamburger {
                display: flex;
            }
            .nav__logo {
                font-size: 17px;
            }
            .nav__logo-icon {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }
            .nav__inner {
                padding: 0 16px;
            }
        }

        @media (min-width: 769px) {
            .nav__mobile-menu {
                display: none !important;
            }
            .nav__hamburger {
                display: none;
            }
        }

        /* ========== SECTIONS SPACING ========== */
        .section {
            padding: 100px 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
        }

        .section--alt {
            background-color: var(--color-bg-alt);
        }

        .section--white {
            background-color: var(--color-bg);
        }

        .section--primary {
            background: var(--color-primary);
            color: #FFFFFF;
            padding: 80px 0;
        }

        @media (max-width: 768px) {
            .section--primary {
                padding: 56px 0;
            }
        }

        /* ========== HERO ========== */
        .hero {
            padding-top: calc(var(--nav-height-pc) + 60px);
            padding-bottom: 80px;
            background-color: var(--color-bg);
        }

        @media (max-width: 768px) {
            .hero {
                padding-top: calc(var(--nav-height-mobile) + 40px);
                padding-bottom: 48px;
            }
        }

        .hero__grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        @media (max-width: 768px) {
            .hero__grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        .hero__content {
            animation: fadeUp 0.6s ease forwards;
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero__badge {
            display: inline-block;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-primary);
            background: var(--color-bg-highlight);
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .hero__title {
            font-size: 44px;
            line-height: 1.2;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--color-text);
            margin-bottom: 16px;
        }

        @media (max-width: 768px) {
            .hero__title {
                font-size: 30px;
            }
        }

        @media (max-width: 576px) {
            .hero__title {
                font-size: 26px;
            }
        }

        .hero__subtitle {
            font-size: 17px;
            line-height: 1.6;
            color: var(--color-text-secondary);
            margin-bottom: 28px;
            max-width: 440px;
        }

        .hero__cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        @media (max-width: 576px) {
            .hero__cta-group {
                flex-direction: column;
                width: 100%;
            }
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.02em;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            cursor: pointer;
            text-align: center;
            white-space: nowrap;
        }

        .btn--primary {
            background: var(--color-accent);
            color: #FFFFFF;
            box-shadow: var(--shadow-cta-btn);
        }
        .btn--primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 20px rgba(255, 92, 60, 0.35);
        }

        .btn--outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn--outline:hover {
            background: var(--color-bg-highlight);
        }

        .btn--large {
            padding: 16px 40px;
            font-size: 17px;
            border-radius: 10px;
        }

        @media (max-width: 576px) {
            .btn {
                display: block;
                width: 100%;
            }
            .btn--large {
                padding: 14px 28px;
                font-size: 15px;
            }
        }

        .hero__footnote {
            font-size: 12px;
            color: var(--color-text-muted);
            letter-spacing: 0.01em;
        }

        .hero__image-wrap {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-hero-img);
            background: var(--color-bg-highlight);
            aspect-ratio: 4 / 3;
        }

        .hero__image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .hero__image-tag {
            font-size: 13px;
            color: var(--color-text-secondary);
            text-align: center;
            margin-top: 10px;
            letter-spacing: 0.01em;
        }

        @media (max-width: 768px) {
            .hero__image-wrap {
                aspect-ratio: 16 / 10;
                box-shadow: 0 6px 20px rgba(30, 109, 242, 0.08);
            }
        }

        /* ========== PAIN POINTS ========== */
        .pain-points__title {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text);
            text-align: center;
            margin-bottom: 48px;
            letter-spacing: -0.01em;
        }

        @media (max-width: 768px) {
            .pain-points__title {
                font-size: 24px;
                margin-bottom: 32px;
            }
        }

        .pain-points__grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        @media (max-width: 1024px) {
            .pain-points__grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .pain-points__grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .pain-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-normal);
            text-align: center;
            border: 1px solid transparent;
        }

        .pain-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .pain-card__icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-bg-highlight);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            color: var(--color-primary);
            font-size: 24px;
        }

        .pain-card__icon svg {
            width: 26px;
            height: 26px;
        }

        .pain-card__title {
            font-size: 17px;
            line-height: 1.45;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .pain-card__desc {
            font-size: 14px;
            line-height: 1.6;
            color: var(--color-text-secondary);
            max-width: 220px;
            margin: 0 auto;
        }

        /* ========== SOLUTION ========== */
        .solution__title {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text);
            text-align: center;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        @media (max-width: 768px) {
            .solution__title {
                font-size: 24px;
            }
        }

        .solution__intro {
            font-size: 16px;
            color: var(--color-text-secondary);
            text-align: center;
            margin-bottom: 48px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .solution__showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-bottom: 56px;
            background: #FFFFFF;
            border-radius: var(--radius-xl);
            padding: 36px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
        }

        @media (max-width: 768px) {
            .solution__showcase {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 20px;
            }
        }

        .solution__showcase-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--color-bg-alt);
            aspect-ratio: 16 / 10;
        }

        .solution__showcase-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .solution__feature-list {
            list-style: none;
            padding: 0;
        }

        .solution__feature-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 18px;
        }

        .solution__feature-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-primary);
            flex-shrink: 0;
            margin-top: 7px;
        }

        .solution__feature-text strong {
            display: block;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 2px;
        }
        .solution__feature-text span {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        .solution__cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        @media (max-width: 1024px) {
            .solution__cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .solution__cards-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .solution-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-normal);
            border: 1px solid transparent;
            text-align: center;
        }

        .solution-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .solution-card__icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: var(--color-bg-highlight);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            color: var(--color-primary);
        }

        .solution-card__icon svg {
            width: 24px;
            height: 24px;
        }

        .solution-card__title {
            font-size: 17px;
            line-height: 1.45;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .solution-card__desc {
            font-size: 14px;
            line-height: 1.6;
            color: var(--color-text-secondary);
            margin-bottom: 14px;
        }

        .solution-card__link {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-primary);
            transition: all var(--transition-fast);
            cursor: pointer;
            display: inline-block;
        }

        .solution-card__link:hover {
            text-decoration: underline;
            color: var(--color-primary-hover);
        }

        /* ========== RESULTS ========== */
        .results__title {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text);
            text-align: center;
            margin-bottom: 48px;
            letter-spacing: -0.01em;
        }

        @media (max-width: 768px) {
            .results__title {
                font-size: 24px;
                margin-bottom: 32px;
            }
        }

        .results__grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            text-align: center;
        }

        @media (max-width: 768px) {
            .results__grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 576px) {
            .results__grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

        .results__item {
            padding: 10px;
        }

        .results__number {
            font-size: 44px;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 8px;
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.02em;
        }

        .results__number--accent {
            color: var(--color-accent);
        }

        .results__number--success {
            color: var(--color-success);
        }

        @media (max-width: 768px) {
            .results__number {
                font-size: 30px;
            }
        }

        @media (max-width: 576px) {
            .results__number {
                font-size: 28px;
            }
        }

        .results__label {
            font-size: 14px;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        @media (max-width: 576px) {
            .results__label {
                font-size: 12px;
            }
        }

        /* ========== TESTIMONIALS ========== */
        .testimonials__title {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text);
            text-align: center;
            margin-bottom: 48px;
            letter-spacing: -0.01em;
        }

        @media (max-width: 768px) {
            .testimonials__title {
                font-size: 24px;
                margin-bottom: 32px;
            }
        }

        .testimonials__grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        @media (max-width: 1024px) {
            .testimonials__grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .testimonials__grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .testimonial-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-card);
            border-left: 3px solid var(--color-success);
            transition: all var(--transition-normal);
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-left-color: var(--color-primary);
        }

        @media (max-width: 768px) {
            .testimonial-card {
                border-left: none;
                border-top: 3px solid var(--color-success);
                padding-top: 30px;
            }
            .testimonial-card:hover {
                border-top-color: var(--color-primary);
            }
        }

        .testimonial-card__quote-icon {
            color: var(--color-success);
            font-size: 28px;
            line-height: 1;
            margin-bottom: 10px;
            font-weight: 700;
        }

        @media (max-width: 768px) {
            .testimonial-card__quote-icon {
                text-align: center;
                margin-bottom: 8px;
            }
        }

        .testimonial-card__text {
            font-size: 15px;
            line-height: 1.7;
            color: var(--color-text);
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-card__divider {
            height: 1px;
            background: var(--color-border);
            margin-bottom: 12px;
        }

        .testimonial-card__author {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text);
        }
        .testimonial-card__org {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-left: 2px;
        }

        /* ========== FAQ ========== */
        .faq__title {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text);
            text-align: center;
            margin-bottom: 40px;
            letter-spacing: -0.01em;
        }

        @media (max-width: 768px) {
            .faq__title {
                font-size: 24px;
                margin-bottom: 28px;
            }
        }

        .faq__list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            overflow: hidden;
        }

        .faq-item__trigger {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 8px;
            background: transparent;
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 17px;
            line-height: 1.45;
            font-weight: 600;
            color: var(--color-text);
            min-height: 48px;
            transition: color var(--transition-fast);
        }

        @media (max-width: 576px) {
            .faq-item__trigger {
                min-height: 44px;
                padding: 14px 4px;
                font-size: 15px;
            }
        }

        .faq-item__trigger:hover {
            color: var(--color-primary);
        }

        .faq-item__icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-highlight);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            color: var(--color-primary);
            font-size: 18px;
            font-weight: 600;
            line-height: 1;
            margin-left: 12px;
        }

        .faq-item--open .faq-item__icon {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: #FFFFFF;
        }

        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }

        .faq-item--open .faq-item__answer {
            max-height: 300px;
        }

        .faq-item__answer-inner {
            padding: 0 8px 18px;
            font-size: 15px;
            line-height: 1.7;
            color: var(--color-text-secondary);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-primary);
            text-align: center;
            padding: 80px 0 60px;
            color: #FFFFFF;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0 40px;
            }
        }

        .cta-section__title {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        @media (max-width: 768px) {
            .cta-section__title {
                font-size: 24px;
            }
        }

        .cta-section__subtitle {
            font-size: 17px;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
        }

        .cta-section__btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 40px;
            font-size: 17px;
            font-weight: 600;
            letter-spacing: 0.02em;
            color: #FFFFFF;
            background: var(--color-accent);
            border-radius: 10px;
            box-shadow: 0 4px 16px rgba(255, 92, 60, 0.35);
            transition: all var(--transition-fast);
            cursor: pointer;
            border: none;
            text-align: center;
        }

        .cta-section__btn:hover {
            background: #ff6e52;
            box-shadow: 0 8px 24px rgba(255, 92, 60, 0.45);
            transform: translateY(-2px);
        }

        @media (max-width: 576px) {
            .cta-section__btn {
                display: block;
                width: 100%;
                padding: 14px 28px;
                font-size: 15px;
            }
        }

        .cta-section__footnote {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 14px;
            letter-spacing: 0.01em;
        }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--color-footer-bg);
            color: var(--color-text-muted);
            padding: 50px 0 0;
        }

        .footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        @media (max-width: 768px) {
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        .footer__brand-name {
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 8px;
        }

        .footer__tagline {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 14px;
            max-width: 240px;
        }

        .footer__social-dots {
            display: flex;
            gap: 10px;
        }

        .footer__social-dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            transition: background var(--transition-fast);
        }
        .footer__social-dot:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .footer__col-title {
            font-size: 13px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
            text-transform: uppercase;
        }

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

        .footer__col-links li {
            margin-bottom: 8px;
        }

        .footer__col-links a {
            font-size: 13px;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .footer__col-links a:hover {
            color: #FFFFFF;
        }

        .footer__copyright {
            text-align: center;
            padding: 20px 0;
            font-size: 12px;
            color: var(--color-text-muted);
            letter-spacing: 0.01em;
        }

        @media (max-width: 768px) {
            .footer {
                padding: 36px 0 0;
            }
            .footer__grid {
                gap: 20px;
                padding-bottom: 24px;
            }
            .footer__copyright {
                padding: 16px 0;
                font-size: 11px;
            }
        }

        /* ========== UTILITY ========== */
        .text-center {
            text-align: center;
        }

        .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;
        }

        /* Scroll offset for anchored sections */
        section[id] {
            scroll-margin-top: var(--nav-height-pc);
        }

        @media (max-width: 768px) {
            section[id] {
                scroll-margin-top: var(--nav-height-mobile);
            }
        }