/* roulang page: index */
:root {
            --brand-green: #1B7A3D;
            --brand-green-light: #27AE60;
            --brand-gold: #F59E0B;
            --text-dark: #0C1E14;
            --text-body: #3D4A3E;
            --text-muted: #5A6B5C;
            --text-weak: #8A9A8C;
            --bg-page: #FAFBF9;
            --bg-light: #F2F5F0;
            --footer-bg: #0C1E14;
            --white: #FFFFFF;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 28px rgba(27, 122, 61, 0.12);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.08);
            --shadow-btn-green: 0 4px 16px rgba(27, 122, 61, 0.35);
            --shadow-btn-gold: 0 6px 24px rgba(245, 158, 11, 0.45);
            --shadow-recommend: 0 4px 20px rgba(27, 122, 61, 0.10);
            --radius-card: 22px;
            --radius-btn: 14px;
            --radius-pill: 50px;
            --transition-fast: 0.25s ease;
            --transition-smooth: 0.3s ease;
            --transition-slower: 0.35s ease;
        }

        *,
        *::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: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-page);
            overflow-x: hidden;
        }

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

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

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

        /* 导航栏 */
        #header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 72px;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(0px);
            -webkit-backdrop-filter: blur(0px);
            display: flex;
            align-items: center;
            transition: height var(--transition-smooth), background var(--transition-smooth), box-shadow var(--transition-smooth), backdrop-filter var(--transition-smooth);
            border-bottom: 1px solid transparent;
        }

        #header.nav-scrolled {
            height: 60px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.08);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        #header .nav-container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            flex-shrink: 0;
            letter-spacing: -0.3px;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--brand-green), var(--brand-green-light));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon svg {
            width: 20px;
            height: 20px;
            fill: white;
        }

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

        .nav-links a {
            font-size: 16px;
            font-weight: 500;
            color: #2C3E30;
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 100%;
            height: 3px;
            background: var(--brand-green);
            border-radius: 3px;
            transition: transform var(--transition-fast);
        }

        .nav-links a:hover {
            color: var(--brand-green);
        }

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

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--brand-green);
            color: #fff;
            padding: 10px 24px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 15px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }

        .nav-cta-btn:hover {
            background: #15632E;
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn-green);
        }

        .nav-cta-btn:active {
            background: #104A24;
            transform: translateY(0);
        }

        .nav-cta-btn:focus-visible {
            outline: 3px solid rgba(27, 122, 61, 0.5);
            outline-offset: 3px;
        }

        /* 汉堡菜单按钮 */
        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            z-index: 1100;
            background: transparent;
            border: none;
            padding: 8px;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
        }

        .hamburger-btn span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #2C3E30;
            border-radius: 3px;
            transition: all var(--transition-smooth);
            transform-origin: center;
        }

        .hamburger-btn.active span:nth-child(1) {
            transform: translateY(8.5px) rotate(45deg);
            background: #fff;
        }
        .hamburger-btn.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger-btn.active span:nth-child(3) {
            transform: translateY(-8.5px) rotate(-45deg);
            background: #fff;
        }

        /* 移动端全屏overlay */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: #0C1E14;
            z-index: 1050;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 28px;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }

        .mobile-nav-overlay.active {
            display: flex;
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-nav-overlay a {
            font-size: 20px;
            font-weight: 500;
            color: #fff;
            transition: color var(--transition-fast);
        }

        .mobile-nav-overlay a:hover {
            color: var(--brand-green-light);
        }

        .mobile-nav-overlay .mobile-cta {
            width: 80%;
            max-width: 340px;
            text-align: center;
            background: var(--brand-green);
            color: #fff;
            padding: 16px 32px;
            border-radius: var(--radius-btn);
            font-size: 18px;
            font-weight: 700;
            margin-top: 12px;
            transition: all var(--transition-fast);
        }

        .mobile-nav-overlay .mobile-cta:hover {
            background: #15632E;
            transform: translateY(-2px);
        }

        /* Hero 区域 */
        #hero {
            min-height: 88vh;
            min-height: max(88vh, 620px);
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding-top: 72px;
        }

        #hero .hero-bg-left {
            position: absolute;
            top: 0;
            left: 0;
            width: 60%;
            height: 100%;
            background: linear-gradient(180deg, #FAFBF9 0%, #FFFFFF 100%);
            z-index: 0;
        }

        #hero .hero-bg-glow {
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background: radial-gradient(ellipse at 70% 50%, rgba(39, 174, 96, 0.15) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }

        #hero .hero-container {
            position: relative;
            z-index: 1;
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 40px 32px;
            display: flex;
            align-items: center;
            gap: 40px;
        }

        #hero .hero-left {
            flex: 0 0 55%;
            max-width: 55%;
        }

        #hero .hero-right {
            flex: 0 0 45%;
            max-width: 45%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        #hero .hero-h1 {
            font-size: 40px;
            font-weight: 800;
            color: #0C1E14;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }

        #hero .hero-subtitle {
            font-size: 18px;
            font-weight: 400;
            color: #3D4A3E;
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }

        #hero .hero-cta-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 22px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand-green);
            color: #fff;
            padding: 16px 36px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 17px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: #15632E;
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn-green);
        }
        .btn-primary:active {
            background: #104A24;
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(27, 122, 61, 0.5);
            outline-offset: 3px;
        }
        .btn-primary:disabled {
            background: #A8C9B5;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--brand-green);
            padding: 16px 36px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 17px;
            border: 2px solid var(--brand-green);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: #E8F5EB;
            border-color: #15632E;
            color: #15632E;
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .btn-secondary:focus-visible {
            outline: 3px solid rgba(27, 122, 61, 0.5);
            outline-offset: 3px;
        }

        .trust-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .trust-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(27, 122, 61, 0.06);
            color: var(--brand-green);
            font-size: 13px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }

        .trust-badge .star-icon {
            color: var(--brand-gold);
            font-size: 14px;
        }

        #hero .hero-mockup-wrapper {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        #hero .hero-mockup-decor {
            position: absolute;
            width: 320px;
            height: 320px;
            background: rgba(27, 122, 61, 0.08);
            border-radius: 32px;
            transform: rotate(15deg);
            z-index: 0;
            pointer-events: none;
        }

        #hero .hero-mockup-img {
            position: relative;
            z-index: 1;
            max-width: 420px;
            width: 100%;
            border-radius: 20px;
            animation: float 4.5s ease-in-out infinite;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.10);
        }

        @keyframes float {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-14px);
            }
        }

        /* 板块通用 */
        .section-container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 80px 32px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: #1B2A1E;
            line-height: 1.3;
            text-align: center;
            margin-bottom: 48px;
        }

        /* 亮点网格 */
        #features {
            background: #fff;
        }

        #features .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 36px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 32px rgba(27, 122, 61, 0.12);
            border-color: var(--brand-green);
        }

        .feature-card .feature-icon-box {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(27, 122, 61, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-bottom: 16px;
        }

        .feature-card .feature-icon-box svg {
            width: 28px;
            height: 28px;
            fill: var(--brand-green);
        }

        .feature-card .feature-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(27, 122, 61, 0.1);
            color: var(--brand-green);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            align-self: flex-start;
            margin-bottom: 16px;
            white-space: nowrap;
        }

        .feature-card .feature-title {
            font-size: 20px;
            font-weight: 600;
            color: #1B2A1E;
            margin-bottom: 10px;
        }

        .feature-card .feature-desc {
            font-size: 15px;
            font-weight: 400;
            color: #5A6B5C;
            line-height: 1.6;
        }

        /* 案例瀑布 */
        #showcase {
            background: #FAFBF9;
        }

        #showcase .showcase-list {
            display: flex;
            flex-direction: column;
            gap: 48px;
        }

        .showcase-card {
            display: flex;
            background: #F7F8F6;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
            transition: box-shadow var(--transition-smooth);
        }

        .showcase-card:hover {
            box-shadow: 0 8px 28px rgba(27, 122, 61, 0.10);
        }

        .showcase-card:nth-child(even) {
            flex-direction: row-reverse;
        }

        .showcase-card .showcase-image {
            flex: 0 0 50%;
            overflow: hidden;
            min-height: 340px;
            position: relative;
        }

        .showcase-card .showcase-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .showcase-card:hover .showcase-image img {
            transform: scale(1.03);
        }

        .showcase-card .showcase-content {
            flex: 0 0 50%;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .showcase-card .showcase-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .showcase-tag {
            display: inline-flex;
            background: rgba(27, 122, 61, 0.1);
            color: var(--brand-green);
            font-size: 13px;
            font-weight: 500;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }

        .showcase-card .showcase-title {
            font-size: 22px;
            font-weight: 700;
            color: #0C1E14;
            margin-bottom: 12px;
        }

        .showcase-card .showcase-desc {
            font-size: 15px;
            color: #5A6B5C;
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .showcase-card .showcase-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .showcase-card .showcase-features li {
            font-size: 14px;
            font-weight: 500;
            color: #3D4A3E;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .showcase-card .showcase-features li .check-icon {
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--brand-green);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .showcase-card .showcase-features li .check-icon svg {
            width: 10px;
            height: 10px;
            fill: white;
        }

        /* 方案对比 */
        #compare {
            background: #fff;
        }

        #compare .compare-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
            align-items: stretch;
        }

        .compare-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 36px;
            box-shadow: var(--shadow-card);
            border: 1px solid #E8EDE8;
            position: relative;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .compare-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 28px rgba(27, 122, 61, 0.12);
        }

        .compare-card.recommended {
            border: 2px solid var(--brand-green);
            box-shadow: var(--shadow-recommend);
            transform: translateY(-4px);
        }

        .compare-card.recommended:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 32px rgba(27, 122, 61, 0.15);
        }

        .compare-card.recommended::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 8px;
            background: linear-gradient(90deg, #1B7A3D, #27AE60);
            border-radius: 22px 22px 0 0;
        }

        .compare-card .recommend-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: #F59E0B;
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            z-index: 2;
        }

        .compare-card .compare-name {
            font-size: 22px;
            font-weight: 700;
            color: #1B2A1E;
            margin-bottom: 8px;
            margin-top: 4px;
        }

        .compare-card .compare-short-desc {
            font-size: 14px;
            color: #5A6B5C;
            margin-bottom: 24px;
        }

        .compare-card .compare-feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            flex: 1;
            margin-bottom: 28px;
        }

        .compare-card .compare-feature-list li {
            font-size: 14px;
            color: #3D4A3E;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .compare-card .compare-feature-list li .green-check {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--brand-green);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .compare-card .compare-feature-list li .green-check svg {
            width: 10px;
            height: 10px;
            fill: #fff;
        }

        .compare-card .compare-cta {
            display: block;
            width: 100%;
            text-align: center;
            padding: 14px 0;
            border-radius: 12px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            font-family: inherit;
        }

        .compare-card .compare-cta.cta-filled {
            background: var(--brand-green);
            color: #fff;
        }
        .compare-card .compare-cta.cta-filled:hover {
            background: #15632E;
            box-shadow: var(--shadow-btn-green);
            transform: translateY(-2px);
        }
        .compare-card .compare-cta.cta-outline {
            background: transparent;
            color: var(--brand-green);
            border: 2px solid var(--brand-green);
        }
        .compare-card .compare-cta.cta-outline:hover {
            background: #E8F5EB;
            border-color: #15632E;
            color: #15632E;
            transform: translateY(-2px);
        }

        /* FAQ */
        #faq {
            background: #F2F5F0;
            padding: 64px 0;
        }

        #faq .faq-container {
            max-width: 780px;
            margin: 0 auto;
            padding: 0 32px;
        }

        #faq .section-title {
            margin-bottom: 40px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
        }

        .faq-item {
            border-bottom: 1px solid #DCE5DD;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            cursor: pointer;
            user-select: none;
            gap: 16px;
        }

        .faq-question .faq-q-text {
            font-size: 17px;
            font-weight: 600;
            color: #1B2A1E;
            flex: 1;
        }

        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--brand-green);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
            position: relative;
        }

        .faq-question .faq-icon::before,
        .faq-question .faq-icon::after {
            content: '';
            position: absolute;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }

        .faq-question .faq-icon::before {
            width: 12px;
            height: 2px;
        }
        .faq-question .faq-icon::after {
            width: 2px;
            height: 12px;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

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

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 0 20px 0;
        }

        .faq-answer .faq-a-text {
            font-size: 15px;
            color: #5A6B5C;
            line-height: 1.7;
        }

        /* 最终CTA */
        #download {
            background: linear-gradient(135deg, #1B7A3D, #27AE60);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }

        #download::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.03) 0, rgba(255, 255, 255, 0.03) 1px, transparent 1px, transparent 20px),
                repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.03) 0, rgba(255, 255, 255, 0.03) 1px, transparent 1px, transparent 20px);
            pointer-events: none;
            z-index: 0;
        }

        #download .download-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
            padding: 0 32px;
        }

        #download .download-title {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.2;
        }

        #download .download-subtitle {
            font-size: 17px;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 32px;
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #F59E0B;
            color: #0C1E14;
            padding: 18px 48px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 18px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-gold:hover {
            background: #FBBF24;
            transform: translateY(-3px);
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.45);
        }
        .btn-gold:active {
            background: #D97706;
            transform: translateY(0);
        }
        .btn-gold:focus-visible {
            outline: 3px solid rgba(245, 158, 11, 0.7);
            outline-offset: 3px;
        }

        #download .download-platforms {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            margin-top: 20px;
        }

        #download .platform-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background var(--transition-fast);
        }

        #download .platform-icon:hover {
            background: rgba(255, 255, 255, 0.35);
        }

        #download .platform-icon svg {
            width: 22px;
            height: 22px;
            fill: #fff;
        }

        /* 页脚 */
        #footer {
            background: #0C1E14;
            padding: 64px 0 32px;
        }

        #footer .footer-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
        }

        #footer .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }

        #footer .footer-col p,
        #footer .footer-col a {
            font-size: 14px;
            color: #8A9A8C;
            line-height: 1.7;
            display: block;
        }

        #footer .footer-col a:hover {
            color: #fff;
        }

        #footer .footer-col .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        #footer .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }

        #footer .footer-logo .flogo-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, #27AE60, #1B7A3D);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        #footer .footer-logo .flogo-icon svg {
            width: 16px;
            height: 16px;
            fill: #fff;
        }

        #footer .social-icons {
            display: flex;
            gap: 12px;
            margin-top: 4px;
        }

        #footer .social-icons .soc-circle {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        #footer .social-icons .soc-circle:hover {
            background: var(--brand-green);
            border-color: var(--brand-green);
        }

        #footer .social-icons .soc-circle svg {
            width: 16px;
            height: 16px;
            fill: rgba(255, 255, 255, 0.7);
            transition: fill var(--transition-fast);
        }

        #footer .social-icons .soc-circle:hover svg {
            fill: #fff;
        }

        #footer .footer-bottom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 24px 32px 0;
            margin-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            font-size: 13px;
            color: #6B7A6C;
        }

        /* 响应式 */
        @media (max-width: 1023px) {
            #hero .hero-container {
                flex-direction: column;
                gap: 32px;
            }
            #hero .hero-left {
                flex: 0 0 100%;
                max-width: 100%;
                text-align: center;
            }
            #hero .hero-right {
                flex: 0 0 100%;
                max-width: 100%;
            }
            #hero .hero-subtitle {
                max-width: 100%;
            }
            #hero .hero-cta-row {
                justify-content: center;
            }
            .trust-badges {
                justify-content: center;
            }
            #hero .hero-mockup-decor {
                width: 240px;
                height: 240px;
            }
            #hero .hero-mockup-img {
                max-width: 320px;
            }
            #hero .hero-h1 {
                font-size: 32px;
            }
            #hero {
                min-height: auto;
                padding-bottom: 40px;
            }
            #hero .hero-bg-glow {
                width: 100%;
                top: 30%;
                right: 0;
                background: radial-gradient(ellipse at 50% 30%, rgba(39, 174, 96, 0.12) 0%, transparent 65%);
            }
            #features .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .showcase-card,
            .showcase-card:nth-child(even) {
                flex-direction: column;
            }
            .showcase-card .showcase-image {
                flex: 0 0 auto;
                min-height: 220px;
                max-height: 280px;
            }
            .showcase-card .showcase-content {
                flex: 0 0 auto;
                padding: 28px;
            }
            .nav-links {
                gap: 18px;
            }
            .nav-links a {
                font-size: 14px;
            }
            #header .nav-container {
                padding: 0 20px;
            }
            #hero .hero-container {
                padding: 32px 20px;
            }
            .section-container {
                padding: 60px 20px;
            }
            #faq {
                padding: 48px 0;
            }
            #faq .faq-container {
                padding: 0 20px;
            }
            #download {
                padding: 60px 0;
            }
            #footer .footer-container {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767px) {
            .nav-links {
                display: none;
            }
            .nav-cta-btn {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            #header {
                height: 64px;
                background: #fff;
            }
            #header.nav-scrolled {
                height: 56px;
            }
            #hero {
                padding-top: 64px;
                min-height: auto;
            }
            #hero .hero-h1 {
                font-size: 28px;
            }
            #hero .hero-subtitle {
                font-size: 16px;
            }
            #hero .hero-mockup-img {
                max-width: 260px;
                animation: float 4.5s ease-in-out infinite;
                animation-duration: 5s;
                transform: translateY(0);
            }
            @keyframes float {
                0%,
                100% {
                    transform: translateY(0);
                }
                50% {
                    transform: translateY(-8px);
                }
            }
            #hero .hero-mockup-decor {
                width: 180px;
                height: 180px;
                border-radius: 22px;
            }
            #hero .hero-container {
                gap: 24px;
                padding: 24px 16px;
            }
            .btn-primary,
            .btn-secondary {
                padding: 14px 24px;
                font-size: 15px;
                width: 100%;
                justify-content: center;
            }
            #hero .hero-cta-row {
                flex-direction: column;
                gap: 12px;
            }
            #features .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 24px;
            }
            .feature-card .feature-title {
                font-size: 18px;
            }
            .feature-card .feature-desc {
                font-size: 14px;
            }
            .section-title {
                font-size: 22px;
                margin-bottom: 32px;
            }
            .showcase-card .showcase-image {
                min-height: 180px;
                max-height: 220px;
            }
            .showcase-card .showcase-content {
                padding: 20px;
            }
            .showcase-card .showcase-title {
                font-size: 19px;
            }
            #compare .compare-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .compare-card {
                padding: 28px;
            }
            .compare-card.recommended {
                transform: translateY(0);
            }
            .compare-card.recommended:hover {
                transform: translateY(-3px);
            }
            #faq {
                padding: 40px 0;
            }
            .faq-question .faq-q-text {
                font-size: 15px;
            }
            .faq-answer .faq-a-text {
                font-size: 14px;
            }
            #download {
                padding: 48px 0;
            }
            #download .download-title {
                font-size: 26px;
            }
            #download .download-subtitle {
                font-size: 15px;
            }
            .btn-gold {
                padding: 16px 36px;
                font-size: 16px;
                width: 100%;
                justify-content: center;
            }
            #footer .footer-container {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 0 20px;
            }
            #footer {
                padding: 40px 0 24px;
            }
            #footer .footer-bottom {
                padding: 20px 20px 0;
                margin-top: 24px;
            }
            #header .nav-container {
                padding: 0 16px;
            }
            .section-container {
                padding: 40px 16px;
            }
            #showcase .showcase-list {
                gap: 28px;
            }
        }

        @media (max-width: 479px) {
            #features .features-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .feature-card {
                padding: 20px;
            }
            #hero .hero-h1 {
                font-size: 26px;
            }
            #hero .hero-subtitle {
                font-size: 15px;
            }
            #hero .hero-mockup-img {
                max-width: 220px;
            }
            #hero .hero-mockup-decor {
                width: 150px;
                height: 150px;
                border-radius: 18px;
            }
            .section-title {
                font-size: 20px;
                margin-bottom: 24px;
            }
            .showcase-card .showcase-title {
                font-size: 18px;
            }
            .showcase-card .showcase-desc {
                font-size: 14px;
            }
            .compare-card {
                padding: 22px;
            }
            .compare-card .compare-name {
                font-size: 20px;
            }
            #download .download-title {
                font-size: 24px;
            }
            .btn-gold {
                font-size: 15px;
                padding: 14px 28px;
            }
            #download .platform-icon {
                width: 38px;
                height: 38px;
            }
            #download .platform-icon svg {
                width: 18px;
                height: 18px;
            }
            #faq .faq-container {
                padding: 0 16px;
            }
            #footer .footer-container {
                padding: 0 16px;
            }
        }

        /* 无障碍 */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
        }