/* roulang page: index */
:root {
            --color-brand: #2563EB;
            --color-brand-dark: #1D4ED8;
            --color-brand-light: #3B82F6;
            --color-brand-pale: #EFF6FF;
            --color-accent: #F59E0B;
            --color-accent-dark: #D97706;
            --color-success: #10B981;
            --color-surface: #F8FAFC;
            --color-card: #FFFFFF;
            --color-body: #1E293B;
            --color-muted: #64748B;
            --color-border: #E2E8F0;
            --color-footer: #0F172A;
            --color-footer-text: #94A3B8;
            --radius-card: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 2px 6px rgba(0, 0, 0, 0.06), 0 8px 24px rgba(0, 0, 0, 0.10);
            --shadow-nav: 0 1px 3px rgba(0, 0, 0, 0.04);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
            --font-number: "Inter", system-ui, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-body);
            background-color: var(--color-surface);
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        input:focus {
            outline: none;
        }

        .container-custom {
            max-width: 1152px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        @media (max-width: 767px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* 导航 */
        .site-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #FFFFFF;
            height: 64px;
            transition: box-shadow var(--transition-fast);
            border-bottom: 1px solid transparent;
        }
        .site-nav.scrolled {
            border-bottom-color: #F1F5F9;
            box-shadow: var(--shadow-nav);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1152px;
            margin: 0 auto;
            padding: 0 32px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: #0F172A;
            flex-shrink: 0;
        }
        .nav-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--color-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: #475569;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.nav-active {
            color: var(--color-brand);
        }
        .nav-links a.nav-active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-brand);
            border-radius: 1px;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--color-brand);
            color: #fff !important;
            padding: 10px 20px !important;
            border-radius: var(--radius-btn);
            font-weight: 600 !important;
            font-size: 14px !important;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            background: var(--color-brand-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }
        .nav-cta-btn::after {
            display: none !important;
        }

        /* 汉堡菜单 */
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            z-index: 1001;
            position: relative;
        }
        .hamburger-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background: #1E293B;
            border-radius: 2px;
            transition: all var(--transition-smooth);
            transform-origin: center;
        }
        .hamburger-btn.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger-btn.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger-btn.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            max-width: 85vw;
            height: 100vh;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 1000;
            padding: 80px 28px 40px;
            flex-direction: column;
            gap: 8px;
            box-shadow: -4px 0 24px rgba(0, 0, 0, 0.08);
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
        }
        .mobile-menu-panel.open {
            transform: translateX(0);
        }
        .mobile-menu-panel a {
            display: block;
            padding: 12px 16px;
            font-size: 16px;
            font-weight: 500;
            color: #334155;
            border-radius: 8px;
            transition: all var(--transition-fast);
        }
        .mobile-menu-panel a:hover,
        .mobile-menu-panel a.nav-active {
            background: var(--color-brand-pale);
            color: var(--color-brand);
        }
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.3);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .mobile-menu-overlay.active {
            opacity: 1;
        }

        @media (max-width: 767px) {
            .site-nav {
                height: 56px;
            }
            .nav-inner {
                padding: 0 16px;
            }
            .nav-links {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .mobile-menu-panel {
                display: flex;
            }
            .mobile-menu-overlay {
                display: block;
                pointer-events: none;
            }
            .mobile-menu-overlay.active {
                pointer-events: auto;
            }
            .nav-logo {
                font-size: 18px;
            }
            .nav-logo-icon {
                width: 28px;
                height: 28px;
                font-size: 14px;
                border-radius: 7px;
            }
        }

        /* Hero */
        .hero-section {
            min-height: 85vh;
            background: linear-gradient(160deg, #F0F5FF 0%, #F8FAFC 40%, #FFFFFF 100%);
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.05) 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;
            width: 100%;
        }
        .hero-text h1 {
            font-size: clamp(30px, 4.5vw, 52px);
            font-weight: 700;
            line-height: 1.2;
            color: #0F172A;
            margin: 0 0 16px;
            letter-spacing: -0.02em;
        }
        .hero-text .hero-subtitle {
            font-size: 18px;
            color: #475569;
            line-height: 1.7;
            margin: 0 0 32px;
            max-width: 480px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-image-wrap {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .hero-image-wrap img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }
        @media (max-width: 767px) {
            .hero-section {
                min-height: auto;
                padding: 80px 0 60px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-text h1 {
                font-size: 28px;
            }
            .hero-text .hero-subtitle {
                font-size: 16px;
            }
            .hero-image-wrap {
                border-radius: 12px;
                max-width: 100%;
            }
            .hero-image-wrap img {
                aspect-ratio: 16 / 10;
            }
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #2563EB;
            color: #FFFFFF;
            border-radius: 10px;
            padding: 14px 32px;
            font-weight: 600;
            font-size: 16px;
            border: none;
            cursor: pointer;
            transition: all 0.2s ease;
            text-align: center;
            white-space: nowrap;
            text-decoration: none;
        }
        .btn-primary:hover {
            background: #1D4ED8;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: #2563EB;
            border-radius: 10px;
            padding: 14px 32px;
            font-weight: 600;
            font-size: 16px;
            border: 2px solid #2563EB;
            cursor: pointer;
            transition: all 0.2s ease;
            text-align: center;
            white-space: nowrap;
            text-decoration: none;
        }
        .btn-secondary:hover {
            background: #EFF6FF;
            border-color: #1D4ED8;
            color: #1D4ED8;
            transform: translateY(-1px);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        @media (max-width: 767px) {
            .btn-primary,
            .btn-secondary {
                padding: 12px 24px;
                font-size: 15px;
                border-radius: 8px;
            }
        }

        /* 区块 */
        .section-block {
            padding: 100px 0;
        }
        @media (max-width: 767px) {
            .section-block {
                padding: 64px 0;
            }
        }
        .section-title {
            font-size: clamp(28px, 3.5vw, 38px);
            font-weight: 700;
            line-height: 1.25;
            color: #1E293B;
            margin: 0 0 16px;
            text-align: center;
        }
        .section-subtitle {
            font-size: 17px;
            color: #64748B;
            text-align: center;
            max-width: 600px;
            margin: 0 auto 48px;
            line-height: 1.7;
        }
        @media (max-width: 767px) {
            .section-title {
                font-size: 26px;
            }
            .section-subtitle {
                font-size: 15px;
                margin-bottom: 32px;
            }
        }

        /* 痛点 */
        .pain-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0;
            max-width: 960px;
            margin: 0 auto;
        }
        .pain-item {
            display: flex;
            gap: 16px;
            padding: 28px 32px;
            position: relative;
            align-items: flex-start;
        }
        .pain-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 20%;
            height: 60%;
            width: 1px;
            background: #E2E8F0;
        }
        .pain-number {
            font-size: 28px;
            font-weight: 700;
            color: #2563EB;
            flex-shrink: 0;
            line-height: 1;
            font-family: var(--font-number);
            letter-spacing: -0.03em;
            min-width: 44px;
        }
        .pain-content h3 {
            font-size: 17px;
            font-weight: 600;
            color: #1E293B;
            margin: 0 0 6px;
            line-height: 1.35;
        }
        .pain-content p {
            font-size: 14px;
            color: #64748B;
            margin: 0;
            line-height: 1.6;
        }
        @media (max-width: 767px) {
            .pain-list {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .pain-item {
                padding: 20px 0;
                gap: 14px;
            }
            .pain-item:not(:last-child)::after {
                right: auto;
                top: auto;
                bottom: 0;
                left: 0;
                width: 100%;
                height: 1px;
            }
            .pain-number {
                font-size: 24px;
                min-width: 36px;
            }
            .pain-content h3 {
                font-size: 16px;
            }
        }

        /* 解决方案 */
        .solution-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: center;
        }
        .solution-image img {
            border-radius: 16px;
            width: 100%;
            height: auto;
            box-shadow: var(--shadow-card);
        }
        .solution-points {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .solution-point {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
        .solution-point-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #EFF6FF;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #2563EB;
            flex-shrink: 0;
            font-size: 18px;
        }
        .solution-point-text h4 {
            font-size: 17px;
            font-weight: 600;
            color: #1E293B;
            margin: 0 0 4px;
            line-height: 1.35;
        }
        .solution-point-text p {
            font-size: 14px;
            color: #64748B;
            margin: 0;
            line-height: 1.6;
        }
        @media (max-width: 767px) {
            .solution-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .solution-image img {
                border-radius: 12px;
                aspect-ratio: 16 / 10;
                object-fit: cover;
            }
            .solution-point-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }
            .solution-point-text h4 {
                font-size: 16px;
            }
        }

        /* 成果数字 */
        .results-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .result-item .result-number {
            font-size: clamp(38px, 5vw, 52px);
            font-weight: 700;
            color: #2563EB;
            font-family: var(--font-number);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 4px;
        }
        .result-item .result-unit {
            font-size: 20px;
            font-weight: 600;
            color: #2563EB;
            font-family: var(--font-number);
        }
        .result-item .result-label {
            font-size: 14px;
            color: #64748B;
            margin-top: 8px;
        }
        .result-item.accent .result-number,
        .result-item.accent .result-unit {
            color: #F59E0B;
        }
        @media (max-width: 639px) {
            .results-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .result-item .result-number {
                font-size: 36px;
            }
            .result-item .result-unit {
                font-size: 16px;
            }
        }

        /* 证言 */
        .testimonials-scroll {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: #FFFFFF;
            border-radius: 12px;
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid #F1F5F9;
            position: relative;
            transition: all var(--transition-fast);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 16px;
            left: 20px;
            font-size: 72px;
            color: rgba(37, 99, 235, 0.10);
            font-family: Georgia, serif;
            line-height: 1;
            pointer-events: none;
        }
        .testimonial-body {
            font-size: 15px;
            line-height: 1.75;
            color: #334155;
            margin: 0 0 20px;
            position: relative;
            z-index: 1;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #E2E8F0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            color: #64748B;
            font-size: 18px;
            flex-shrink: 0;
        }
        .testimonial-name {
            font-weight: 600;
            font-size: 15px;
            color: #1E293B;
        }
        .testimonial-role {
            font-size: 13px;
            color: #64748B;
        }
        .brand-strip {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 28px;
            margin-top: 40px;
            align-items: center;
        }
        .brand-strip .brand-dot {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            background: #E2E8F0;
            filter: grayscale(100%);
            opacity: 0.6;
            transition: all var(--transition-fast);
            cursor: default;
        }
        .brand-strip .brand-dot:hover {
            filter: grayscale(0%);
            opacity: 1;
            background: #CBD5E1;
        }
        @media (max-width: 767px) {
            .testimonials-scroll {
                grid-template-columns: 1fr;
                gap: 16px;
                overflow-x: auto;
                scroll-snap-type: x mandatory;
                -webkit-overflow-scrolling: touch;
                display: flex;
                gap: 16px;
                padding-bottom: 8px;
                scroll-behavior: smooth;
            }
            .testimonial-card {
                min-width: 82vw;
                scroll-snap-align: start;
                flex-shrink: 0;
            }
            .brand-strip {
                gap: 16px;
            }
            .brand-strip .brand-dot {
                width: 40px;
                height: 40px;
                border-radius: 8px;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid #E2E8F0;
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 8px;
            cursor: pointer;
            font-size: 17px;
            font-weight: 600;
            color: #1E293B;
            text-align: left;
            gap: 16px;
            transition: color var(--transition-fast);
            font-family: inherit;
            min-height: 52px;
        }
        .faq-question:hover {
            color: #2563EB;
        }
        .faq-question[aria-expanded="true"] {
            color: #2563EB;
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            position: relative;
            transition: transform var(--transition-smooth);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            background: #64748B;
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }
        .faq-icon::before {
            width: 14px;
            height: 2px;
        }
        .faq-icon::after {
            width: 2px;
            height: 14px;
        }
        .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(45deg);
        }
        .faq-question[aria-expanded="true"] .faq-icon::before,
        .faq-question[aria-expanded="true"] .faq-icon::after {
            background: #2563EB;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }
        .faq-answer-inner {
            padding: 0 8px 16px;
            font-size: 15px;
            color: #475569;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        @media (max-width: 767px) {
            .faq-question {
                font-size: 15px;
                padding: 16px 4px;
                min-height: 48px;
            }
            .faq-answer-inner {
                font-size: 14px;
            }
        }

        /* CTA */
        .cta-banner {
            background: #EFF6FF;
            border-radius: 16px;
            padding: 56px 48px;
            text-align: center;
            max-width: 1152px;
            margin: 0 auto;
        }
        .cta-banner h2 {
            font-size: clamp(26px, 3vw, 34px);
            font-weight: 700;
            color: #0F172A;
            margin: 0 0 12px;
        }
        .cta-banner .cta-subtitle {
            font-size: 16px;
            color: #475569;
            margin: 0 0 32px;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 640px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            height: 48px;
            border-radius: 8px;
            border: 1px solid #CBD5E1;
            padding: 0 16px;
            font-size: 15px;
            flex: 1 1 160px;
            min-width: 140px;
            background: #FFFFFF;
            transition: all var(--transition-fast);
            color: #1E293B;
        }
        .cta-form input:focus {
            border-color: #2563EB;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.10);
            outline: none;
        }
        .cta-form input::placeholder {
            color: #94A3B8;
        }
        .cta-form .btn-primary {
            height: 48px;
            padding: 0 28px;
            flex-shrink: 0;
        }
        @media (max-width: 767px) {
            .cta-banner {
                padding: 36px 20px;
                border-radius: 12px;
            }
            .cta-form {
                flex-direction: column;
                gap: 10px;
            }
            .cta-form input {
                width: 100%;
                flex: auto;
                min-width: auto;
            }
            .cta-form .btn-primary {
                width: 100%;
            }
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: #94A3B8;
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 40px;
            max-width: 1152px;
            margin: 0 auto;
            padding: 0 32px;
        }
        .footer-brand-name {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 8px;
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.6;
            color: #94A3B8;
            margin: 0;
        }
        .footer-links-title {
            font-size: 14px;
            font-weight: 600;
            color: #CBD5E1;
            margin: 0 0 14px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        .footer-links-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links-list a {
            font-size: 14px;
            color: #94A3B8;
            transition: color var(--transition-fast);
        }
        .footer-links-list a:hover {
            color: #FFFFFF;
        }
        .footer-contact-item {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            font-size: 14px;
            margin-bottom: 10px;
            color: #94A3B8;
            line-height: 1.5;
        }
        .footer-contact-item i {
            width: 18px;
            text-align: center;
            flex-shrink: 0;
            margin-top: 2px;
            color: #64748B;
        }
        .footer-bottom {
            max-width: 1152px;
            margin: 32px auto 0;
            padding: 20px 32px 0;
            border-top: 1px solid #1e293b;
            text-align: center;
            font-size: 13px;
            color: #64748B;
        }
        @media (max-width: 767px) {
            .site-footer {
                padding: 40px 0 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 0 16px;
            }
            .footer-bottom {
                padding: 16px 16px 0;
            }
        }

        /* 过渡文案 */
        .transition-cta {
            text-align: center;
            font-size: 15px;
            color: #64748B;
            margin-top: 28px;
        }
        .transition-cta a {
            color: #2563EB;
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .transition-cta a:hover {
            color: #1D4ED8;
        }

        /* 微型CTA */
        .micro-cta {
            text-align: center;
            margin-top: 24px;
            font-size: 15px;
            color: #475569;
        }
        .micro-cta a {
            color: #2563EB;
            font-weight: 600;
            transition: color var(--transition-fast);
        }
        .micro-cta a:hover {
            color: #1D4ED8;
        }

        /* 表单提交反馈 */
        .form-feedback {
            display: none;
            margin-top: 12px;
            font-size: 14px;
            font-weight: 500;
            color: #10B981;
            text-align: center;
        }
        .form-feedback.show {
            display: block;
        }