/* roulang page: index */
:root {
            --color-primary: #0B2B26;
            --color-primary-dark: #061916;
            --color-accent: #1BD0B5;
            --color-accent-dark: #17A692;
            --color-accent-glow: rgba(27, 208, 181, 0.35);
            --color-bg: #F5F7FA;
            --color-bg-dark: #0F1419;
            --color-surface: #FFFFFF;
            --color-border: #E2E8F0;
            --color-text: #2E3B4E;
            --color-text-light: #6B7A8E;
            --color-text-white: #FFFFFF;
            --color-footer-bg: #1A202C;
            --color-footer-text: #A0AEC0;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-none: 0px;
            --shadow-card-hover: 0px 12px 24px rgba(11, 43, 38, 0.08);
            --shadow-nav: 0px 2px 16px rgba(11, 43, 38, 0.06);
            --transition-smooth: cubic-bezier(0.23, 1, 0.32, 1);
            --container-max: 1280px;
            --section-gap: 120px;
            --section-gap-mobile: 80px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 90px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s var(--transition-smooth);
        }

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

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

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Navigation */
        .nav-bar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: transparent;
            transition: all 0.35s var(--transition-smooth);
            padding: 18px 0;
            will-change: background, box-shadow;
        }

        .nav-bar.scrolled {
            background: #FFFFFF;
            box-shadow: var(--shadow-nav);
            padding: 10px 0;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 22px;
            color: var(--color-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-links-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            position: relative;
            padding: 4px 0;
            transition: color 0.3s var(--transition-smooth);
        }

        .nav-links-desktop a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 100%;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
            transition: transform 0.35s var(--transition-smooth);
            transform-origin: center;
        }

        .nav-links-desktop a:hover,
        .nav-links-desktop a:focus {
            color: var(--color-accent);
        }

        .nav-links-desktop a:hover::after,
        .nav-links-desktop a:focus::after {
            transform: translateX(-50%) scaleX(1);
        }

        .nav-cta-btn {
            background: var(--color-accent);
            color: #fff !important;
            padding: 10px 22px !important;
            border-radius: var(--radius-btn);
            font-weight: 600 !important;
            transition: all 0.3s var(--transition-smooth) !important;
        }
        .nav-cta-btn::after {
            display: none !important;
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-dark) !important;
            box-shadow: 0 0 18px var(--color-accent-glow);
        }

        /* Mobile nav */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--color-primary);
            padding: 8px;
            cursor: pointer;
            z-index: 1100;
            position: fixed;
            bottom: 24px;
            right: 24px;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 6px 20px rgba(27, 208, 181, 0.4);
            align-items: center;
            justify-content: center;
            transition: all 0.3s var(--transition-smooth);
        }
        .mobile-menu-toggle:active {
            transform: scale(0.92);
        }

        .mobile-nav-panel {
            position: fixed;
            inset: 0;
            z-index: 1050;
            background: rgba(11, 43, 38, 0.96);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 28px;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s var(--transition-smooth);
        }
        .mobile-nav-panel.open {
            opacity: 1;
            pointer-events: all;
        }
        .mobile-nav-panel a {
            color: #fff;
            font-size: 20px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: color 0.3s;
        }
        .mobile-nav-panel a:hover {
            color: var(--color-accent);
        }
        .mobile-nav-panel .mobile-close-btn {
            position: absolute;
            top: 20px;
            right: 24px;
            font-size: 28px;
            color: #fff;
            background: none;
            border: none;
            cursor: pointer;
        }

        /* Hero */
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: 80px;
            padding-bottom: 60px;
            position: relative;
            overflow: hidden;
            background: linear-gradient(180deg, #F5F7FA 0%, #EDF2F6 100%);
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -15%;
            width: 60%;
            height: 130%;
            background: radial-gradient(ellipse at center, rgba(27, 208, 181, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(27, 208, 181, 0.1);
            color: var(--color-accent-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            width: fit-content;
            border: 1px solid rgba(27, 208, 181, 0.25);
        }
        .hero-badge .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-accent);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(27, 208, 181, 0.7);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(27, 208, 181, 0);
            }
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: 48px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            margin: 0;
        }
        .hero-title span {
            color: var(--color-accent);
            position: relative;
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--color-text-light);
            line-height: 1.7;
            max-width: 460px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all 0.3s var(--transition-smooth);
            letter-spacing: 0.2px;
            cursor: pointer;
            border: none;
            font-family: inherit;
            white-space: nowrap;
            position: relative;
        }
        .btn:active {
            transform: scale(0.97);
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(27, 208, 181, 0.3);
        }
        .btn-primary:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 6px 24px rgba(27, 208, 181, 0.45);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
        }
        .btn-outline:hover {
            background: rgba(27, 208, 181, 0.08);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            padding-top: 8px;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat-val {
            font-family: var(--font-heading);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.5px;
        }
        .hero-stat-label {
            font-size: 13px;
            color: var(--color-text-light);
            letter-spacing: 0.3px;
        }
        .hero-right {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .hero-visual {
            width: 100%;
            max-width: 440px;
            aspect-ratio: 4/3;
            border-radius: 16px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 48px rgba(11, 43, 38, 0.15);
            animation: float-drift 8s ease-in-out infinite;
        }
        @keyframes float-drift {
            0%,
            100% {
                transform: translateY(0px);
            }
            25% {
                transform: translateY(-12px);
            }
            50% {
                transform: translateY(-4px);
            }
            75% {
                transform: translateY(-16px);
            }
        }
        .hero-visual-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 43, 38, 0.55) 0%, rgba(11, 43, 38, 0.2) 50%, rgba(27, 208, 181, 0.15) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual-badge {
            background: rgba(255, 255, 255, 0.9);
            padding: 14px 28px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 15px;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            backdrop-filter: blur(8px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
        }

        /* Section common */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.3px;
            margin: 0 0 12px;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 16px;
            color: var(--color-text-light);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* Advantages */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .adv-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            transition: all 0.35s var(--transition-smooth);
            cursor: default;
            position: relative;
            overflow: hidden;
        }
        .adv-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s var(--transition-smooth);
            border-radius: 0 0 2px 2px;
        }
        .adv-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .adv-card:hover::before {
            transform: scaleX(1);
        }
        .adv-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(27, 208, 181, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-accent);
            margin-bottom: 18px;
            transition: all 0.35s var(--transition-smooth);
        }
        .adv-card:hover .adv-card-icon {
            transform: scale(1.08);
            background: rgba(27, 208, 181, 0.15);
        }
        .adv-card-title {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: -0.2px;
        }
        .adv-card-desc {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.65;
        }

        /* Cases */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .case-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.35s var(--transition-smooth);
            cursor: default;
        }
        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }
        .case-card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background: #eef1f5;
        }
        .case-card-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s var(--transition-smooth);
        }
        .case-card:hover .case-card-img {
            transform: scale(1.04);
        }
        .case-card-watermark {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 48px;
            font-weight: 900;
            color: rgba(255, 255, 255, 0.07);
            pointer-events: none;
            letter-spacing: 2px;
            transition: all 0.5s var(--transition-smooth);
        }
        .case-card:hover .case-card-watermark {
            color: rgba(255, 255, 255, 0.14);
            font-size: 54px;
        }
        .case-card-body {
            padding: 20px 22px;
        }
        .case-card-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 16px;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .case-card-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-text-light);
        }
        .case-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .case-card-meta .val {
            font-weight: 600;
            color: var(--color-accent);
        }

        /* Plans */
        .plans-wrapper {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
            background: #fff;
        }
        .plan-col {
            padding: 36px 28px;
            text-align: center;
            transition: all 0.35s var(--transition-smooth);
            position: relative;
            border-right: 1px solid var(--color-border);
            cursor: default;
        }
        .plan-col:last-child {
            border-right: none;
        }
        .plan-col.recommended {
            background: var(--color-primary);
            color: #fff;
            z-index: 1;
            box-shadow: 0 8px 32px rgba(11, 43, 38, 0.2);
        }
        .plan-col:hover {
            transform: translateX(2px);
            border-left: 2px solid var(--color-accent);
            margin-left: -2px;
        }
        .plan-col.recommended:hover {
            border-left: 2px solid var(--color-accent);
        }
        .plan-badge {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
            background: rgba(27, 208, 181, 0.15);
            color: var(--color-accent);
        }
        .plan-col.recommended .plan-badge {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
        }
        .plan-name {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 6px;
            letter-spacing: -0.3px;
        }
        .plan-col.recommended .plan-name {
            color: #fff;
        }
        .plan-price {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 20px;
            letter-spacing: -1px;
        }
        .plan-col.recommended .plan-price {
            color: #fff;
        }
        .plan-features {
            list-style: none;
            text-align: left;
            font-size: 14px;
            color: var(--color-text-light);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .plan-col.recommended .plan-features {
            color: rgba(255, 255, 255, 0.8);
        }
        .plan-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 0;
            border-bottom: 1px solid var(--color-border);
        }
        .plan-col.recommended .plan-features li {
            border-bottom-color: rgba(255, 255, 255, 0.15);
        }
        .plan-features .check {
            color: var(--color-accent);
            font-weight: 700;
            flex-shrink: 0;
        }
        .plan-col.recommended .plan-features .check {
            color: #fff;
        }
        .plan-features .cross {
            color: #cbd5e0;
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px 40px;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 18px 0;
            cursor: pointer;
            transition: all 0.3s var(--transition-smooth);
        }
        .faq-item-header {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            position: relative;
        }
        .faq-item-header .line-decor {
            width: 3px;
            height: 24px;
            background: var(--color-accent);
            border-radius: 2px;
            flex-shrink: 0;
            margin-top: 2px;
            transition: height 0.3s var(--transition-smooth);
        }
        .faq-item.open .faq-item-header .line-decor {
            height: 36px;
        }
        .faq-question {
            font-weight: 600;
            font-size: 16px;
            color: var(--color-primary);
            flex: 1;
            letter-spacing: -0.1px;
            line-height: 1.5;
        }
        .faq-arrow {
            font-size: 14px;
            color: var(--color-accent);
            transition: transform 0.35s var(--transition-smooth);
            flex-shrink: 0;
            margin-top: 4px;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s var(--transition-smooth), padding-top 0.35s;
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
            padding-left: 17px;
        }
        .faq-item.open .faq-answer {
            max-height: 200px;
            padding-top: 12px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #0a3d35 40%, #0B2B26 100%);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle at 20% 50%, rgba(27, 208, 181, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 30%, rgba(27, 208, 181, 0.05) 0%, transparent 45%);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255, 255, 255, 0.015) 2px, rgba(255, 255, 255, 0.015) 4px);
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
        }
        .cta-title {
            font-family: var(--font-heading);
            font-size: 44px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }
        .cta-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-giant {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 18px 44px;
            font-size: 18px;
            font-weight: 700;
            border-radius: var(--radius-btn);
            background: #fff;
            color: var(--color-accent);
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all 0.3s var(--transition-smooth);
            position: relative;
            box-shadow: 0 0 0 0 rgba(27, 208, 181, 0.6);
            animation: cta-glow 3s ease-in-out infinite;
            letter-spacing: 0.3px;
        }
        @keyframes cta-glow {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(27, 208, 181, 0.55);
            }
            50% {
                box-shadow: 0 0 32px 16px rgba(27, 208, 181, 0.35);
            }
        }
        .btn-cta-giant:hover {
            background: rgba(255, 255, 255, 0.88);
            transform: translateY(-3px);
            animation: none;
            box-shadow: 0 12px 36px rgba(27, 208, 181, 0.5);
        }
        .btn-cta-giant:active {
            transform: scale(0.97);
        }
        .cta-disclaimer {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            margin-top: 20px;
        }

        /* Contact */
        .contact-section {
            background: #fff;
        }
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }
        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .contact-info-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }
        .contact-info-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(27, 208, 181, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-accent);
            flex-shrink: 0;
        }
        .contact-info-text strong {
            display: block;
            color: var(--color-primary);
            font-weight: 600;
            margin-bottom: 2px;
        }
        .contact-info-text span {
            font-size: 14px;
            color: var(--color-text-light);
        }
        .contact-form-simple {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .contact-form-simple input,
        .contact-form-simple textarea {
            width: 100%;
            padding: 14px 16px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            font-family: inherit;
            font-size: 15px;
            color: var(--color-text);
            transition: border-color 0.3s var(--transition-smooth);
            background: #fafbfc;
            resize: vertical;
        }
        .contact-form-simple input:focus,
        .contact-form-simple textarea:focus {
            border-color: var(--color-accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(27, 208, 181, 0.08);
        }
        .contact-form-simple textarea {
            min-height: 110px;
        }

        /* Footer */
        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand-name {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 20px;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-footer-text);
            max-width: 260px;
        }
        .footer-col-title {
            font-weight: 600;
            font-size: 14px;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--color-footer-text);
            transition: color 0.3s;
        }
        .footer-col ul a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
        }
        .footer-social {
            display: flex;
            gap: 16px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-footer-text);
            font-size: 15px;
            transition: all 0.3s;
        }
        .footer-social a:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(27, 208, 181, 0.08);
        }

        /* Reveal animation */
        .reveal {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s var(--transition-smooth), transform 0.6s var(--transition-smooth);
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
                text-align: center;
            }
            .hero-left {
                align-items: center;
            }
            .hero-subtitle {
                max-width: 100%;
            }
            .hero-stats {
                justify-content: center;
            }
            .hero-visual {
                max-width: 340px;
                margin: 0 auto;
            }
            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .plans-wrapper {
                grid-template-columns: 1fr 1fr 1fr;
                overflow-x: auto;
                scroll-snap-type: x proximity;
                -webkit-overflow-scrolling: touch;
            }
            .plan-col {
                min-width: 240px;
                scroll-snap-align: start;
            }
            .faq-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .contact-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .hero-title {
                font-size: 36px;
                line-height: 1.3;
            }
            .section-title {
                font-size: 26px;
            }
            .cta-title {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-links-desktop {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-bar {
                padding: 10px 0;
                background: #fff;
                box-shadow: var(--shadow-nav);
            }
            .nav-bar.scrolled {
                padding: 8px 0;
            }
            .hero-section {
                min-height: auto;
                padding-top: 100px;
                padding-bottom: 40px;
            }
            .hero-title {
                font-size: 30px;
                line-height: 1.3;
                letter-spacing: -0.2px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-visual {
                max-width: 280px;
                aspect-ratio: 4/3;
            }
            .advantages-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .adv-card {
                padding: 22px 16px;
            }
            .cases-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .case-card-body {
                padding: 14px 16px;
            }
            .plans-wrapper {
                grid-template-columns: repeat(3, 75vw);
                overflow-x: auto;
                scroll-snap-type: x mandatory;
                gap: 0;
                border-radius: var(--radius-card);
            }
            .plan-col {
                min-width: 70vw;
                scroll-snap-align: center;
            }
            .section-title {
                font-size: 24px;
            }
            .cta-title {
                font-size: 28px;
            }
            .btn-cta-giant {
                padding: 16px 32px;
                font-size: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .advantages-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .cases-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .hero-stats {
                gap: 18px;
                justify-content: center;
            }
            .hero-stat-val {
                font-size: 22px;
            }
            .hero-buttons {
                flex-direction: column;
                width: 100%;
                gap: 10px;
            }
            .btn {
                width: 100%;
                justify-content: center;
                padding: 14px 20px;
            }
            .plans-wrapper {
                grid-template-columns: repeat(3, 82vw);
            }
            .plan-col {
                min-width: 78vw;
            }
            .cta-title {
                font-size: 24px;
            }
            .section {
                padding: 60px 0;
            }
            .section-header {
                margin-bottom: 36px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .nav-logo {
                font-size: 18px;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
        }