/* roulang page: index */
:root {
            --bg-deep: #0B0B12;
            --bg-card: #15151F;
            --bg-card-hover: #1D1D2A;
            --accent: #E91E63;
            --accent-glow: #FF4081;
            --gold: #C9A96E;
            --gold-light: #E0C88E;
            --gradient-hero: linear-gradient(135deg, #1A0E20 0%, #0B0B12 40%, #1A0E28 100%);
            --gradient-cta: linear-gradient(135deg, #E91E63 0%, #7B1FA2 100%);
            --gradient-card-border: linear-gradient(135deg, rgba(233, 30, 99, 0.4) 0%, rgba(201, 169, 110, 0.3) 100%);
            --text-primary: #F0F0F5;
            --text-secondary: #A0A0B8;
            --text-muted: #6B6B80;
            --success: #00C896;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --radius-card: 20px;
            --radius-button: 28px;
            --radius-badge: 40px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
            --shadow-card-hover: 0 8px 40px rgba(233, 30, 99, 0.15), 0 0 0 1px rgba(233, 30, 99, 0.2) inset;
            --shadow-glow: 0 0 30px rgba(233, 30, 99, 0.25);
            --blur-glass: blur(12px);
            --nav-height: 72px;
            --nav-height-mobile: 60px;
            --container-max: 1280px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--nav-height);
        }

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

        ul {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* ========== 导航栏 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(11, 11, 18, 0.85);
            backdrop-filter: var(--blur-glass);
            -webkit-backdrop-filter: var(--blur-glass);
            border-bottom: 1px solid var(--border-subtle);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(11, 11, 18, 0.95);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-wrap {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            flex-shrink: 0;
        }

        .logo-main {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.04em;
            line-height: 1.2;
            white-space: nowrap;
        }

        .logo-main .logo-accent {
            color: var(--accent);
        }

        .logo-sub {
            font-size: 0.65rem;
            font-weight: 400;
            color: var(--gold);
            letter-spacing: 0.14em;
            text-transform: uppercase;
            line-height: 1;
            white-space: nowrap;
        }

        .logo-divider {
            display: inline-block;
            width: 1px;
            height: 10px;
            background: var(--gold);
            margin: 0 6px;
            vertical-align: middle;
            opacity: 0.6;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }

        .nav-links a {
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 20px;
            position: relative;
            transition: color 0.25s ease, background 0.25s ease;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
            transition: transform 0.25s ease;
        }

        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: var(--accent);
            background: rgba(233, 30, 99, 0.06);
        }

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

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            color: #fff;
            background: var(--gradient-cta);
            border-radius: var(--radius-button);
            transition: box-shadow 0.3s ease, transform 0.2s ease;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-cta-btn:hover {
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }

        /* 汉堡菜单按钮 */
        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            padding: 8px;
            z-index: 1001;
            cursor: pointer;
        }

        .hamburger-btn span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .hamburger-btn.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }

        .hamburger-btn.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }

        .hamburger-btn.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* 移动端导航面板 */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 11, 18, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 12px;
            padding: 24px;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.35s ease;
        }

        .mobile-nav-panel.active {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-nav-panel a {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--text-primary);
            padding: 14px 24px;
            border-radius: 12px;
            transition: all 0.25s ease;
            text-align: center;
            width: 100%;
            max-width: 320px;
        }

        .mobile-nav-panel a:hover,
        .mobile-nav-panel a:focus-visible {
            color: var(--accent);
            background: rgba(233, 30, 99, 0.08);
        }

        .mobile-nav-panel .mobile-cta {
            background: var(--gradient-cta);
            color: #fff;
            border-radius: var(--radius-button);
            margin-top: 8px;
            padding: 16px 32px;
            font-weight: 700;
            max-width: 280px;
        }

        .mobile-nav-panel .mobile-cta:hover {
            box-shadow: var(--shadow-glow);
            color: #fff;
            background: var(--gradient-cta);
        }

        /* ========== Hero 首屏 ========== */
        #hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: var(--gradient-hero);
            position: relative;
            overflow: hidden;
            padding-top: var(--nav-height);
        }

        #hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background:
                radial-gradient(ellipse at 70% 30%, rgba(233, 30, 99, 0.06) 0%, transparent 60%),
                radial-gradient(ellipse at 30% 70%, rgba(201, 169, 110, 0.04) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
            position: relative;
            z-index: 1;
        }

        .hero-text {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(233, 30, 99, 0.12);
            border: 1px solid rgba(233, 30, 99, 0.25);
            border-radius: 24px;
            padding: 6px 16px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-glow);
            letter-spacing: 0.04em;
            width: fit-content;
        }

        .hero-badge .badge-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent-glow);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 64, 129, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255, 64, 129, 0);
            }
        }

        .hero-title {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            line-height: 1.15;
            text-shadow: 0 0 40px rgba(233, 30, 99, 0.2);
            margin: 0;
        }

        .hero-title .gold-text {
            color: var(--gold);
            text-shadow: 0 0 30px rgba(201, 169, 110, 0.25);
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 480px;
            margin: 0;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 15px 32px;
            font-size: 1rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            color: #fff;
            background: var(--gradient-cta);
            border-radius: var(--radius-button);
            transition: box-shadow 0.3s ease, transform 0.2s ease;
            white-space: nowrap;
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            font-size: 1rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            color: var(--accent);
            background: transparent;
            border: 2px solid var(--accent);
            border-radius: var(--radius-button);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-ghost:hover {
            background: rgba(233, 30, 99, 0.1);
            border-color: var(--accent-glow);
            color: var(--accent-glow);
            box-shadow: 0 0 20px rgba(233, 30, 99, 0.2);
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            aspect-ratio: 4/3;
            box-shadow: 0 8px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.06);
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card);
        }

        .hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(233, 30, 99, 0.2) 0%, rgba(123, 31, 162, 0.1) 100%);
            border-radius: var(--radius-card);
            pointer-events: none;
        }

        .hero-scroll-indicator {
            position: absolute;
            bottom: 36px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            z-index: 2;
            animation: bounce-down 2s ease-in-out infinite;
        }

        .hero-scroll-indicator span {
            font-size: 0.7rem;
            color: var(--text-muted);
            letter-spacing: 0.05em;
        }

        .hero-scroll-indicator i {
            color: var(--gold);
            font-size: 1rem;
        }

        @keyframes bounce-down {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(10px);
            }
        }

        /* ========== 通用区块样式 ========== */
        .section {
            padding: 90px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-header h2 {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            display: inline-block;
            position: relative;
        }

        .section-header h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 2px;
            background: var(--gold);
            margin: 14px auto 0;
            border-radius: 1px;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 540px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ========== 痛点区 ========== */
        #pain-points {
            background: var(--bg-deep);
            position: relative;
        }

        #pain-points::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 50% 0%, rgba(180, 20, 50, 0.04) 0%, transparent 60%);
            pointer-events: none;
        }

        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            position: relative;
            z-index: 1;
        }

        .pain-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: var(--shadow-card);
            transition: background 0.35s ease, transform 0.35s ease;
            position: relative;
            overflow: hidden;
        }

        .pain-card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-3px);
        }

        .pain-card .pain-icon {
            font-size: 2rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            opacity: 0.7;
        }

        .pain-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .pain-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .pain-card .pain-dot {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #c0392b;
            opacity: 0.6;
        }

        /* ========== 解决方案区 ========== */
        #solutions {
            background: #0D0D15;
            position: relative;
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .solution-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 36px 28px;
            position: relative;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease-out;
            border: 1px solid transparent;
            overflow: hidden;
        }

        .solution-card::before {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-card);
            padding: 1px;
            background: var(--gradient-card-border);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }

        .solution-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .solution-card .solution-img-wrap {
            width: 80px;
            height: 80px;
            border-radius: 16px;
            overflow: hidden;
            margin-bottom: 20px;
            position: relative;
        }

        .solution-card .solution-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 16px;
        }

        .solution-card .solution-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(233, 30, 99, 0.15);
            border-radius: 16px;
            pointer-events: none;
        }

        .solution-card .gold-dot {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold);
            opacity: 0.8;
        }

        .solution-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .solution-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .solution-card .tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            background: rgba(233, 30, 99, 0.1);
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }

        /* ========== 成果展示区 ========== */
        #results {
            background: var(--bg-deep);
            position: relative;
        }

        #results::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(201, 169, 110, 0.03) 0%, transparent 60%);
            pointer-events: none;
        }

        .results-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 1;
        }

        .stat-badge {
            background: var(--bg-card);
            border-radius: var(--radius-badge);
            padding: 36px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 2px solid transparent;
            position: relative;
            transition: all 0.3s ease;
        }

        .stat-badge::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: var(--radius-badge);
            padding: 2px;
            background: var(--gradient-card-border);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }

        .stat-badge:hover {
            box-shadow: 0 0 40px rgba(233, 30, 99, 0.2), 0 8px 32px rgba(0, 0, 0, 0.5);
            transform: translateY(-2px);
        }

        .stat-number {
            font-size: clamp(2.5rem, 4vw, 3.5rem);
            font-weight: 800;
            letter-spacing: -0.03em;
            color: var(--gold);
            line-height: 1;
            margin-bottom: 8px;
            text-shadow: 0 0 20px rgba(201, 169, 110, 0.3);
        }

        .stat-number.accent-num {
            color: var(--accent-glow);
            text-shadow: 0 0 20px rgba(255, 64, 129, 0.3);
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        /* ========== 客户证言区 ========== */
        #testimonials {
            background: #0D0D15;
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: all 0.3s ease;
        }

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

        .testimonial-card .quote-icon {
            font-size: 2.5rem;
            color: var(--accent);
            opacity: 0.25;
            line-height: 1;
            margin-bottom: 8px;
        }

        .testimonial-card .quote-text {
            color: var(--text-primary);
            font-size: 1rem;
            line-height: 1.8;
            font-style: italic;
            margin-bottom: 20px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-subtle);
            padding-top: 16px;
        }

        .testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, #3a3a4a, #1a1a28);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--gold);
            font-size: 1.1rem;
        }

        .testimonial-info .author-name {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.95rem;
        }

        .testimonial-info .author-org {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ========== FAQ 区 ========== */
        #faq {
            background: var(--bg-deep);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: 12px;
            overflow: hidden;
            transition: border-radius 0.3s ease;
        }

        .faq-item.open {
            border-radius: 12px 12px 0 0;
            border-left: 3px solid var(--accent);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            background: none;
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            transition: color 0.25s ease;
            gap: 12px;
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 1.1rem;
            color: var(--accent);
            transition: transform 0.3s ease;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

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

        .faq-answer-inner {
            padding: 0 20px 20px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.75;
        }

        /* ========== 终极 CTA 区 ========== */
        #cta {
            background: linear-gradient(135deg, #1A0E20 0%, #0B0B12 30%, #1A0E28 100%);
            position: relative;
            overflow: hidden;
            padding: 100px 0;
            text-align: center;
        }

        #cta::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(ellipse at 50% 50%, rgba(233, 30, 99, 0.08) 0%, transparent 50%);
            animation: cta-glow-shift 8s ease-in-out infinite;
            pointer-events: none;
        }

        @keyframes cta-glow-shift {
            0%,
            100% {
                transform: translate(0, 0);
            }
            33% {
                transform: translate(2%, -1%);
            }
            66% {
                transform: translate(-1%, 2%);
            }
        }

        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
        }

        .cta-content h2 {
            font-size: clamp(2rem, 4vw, 2.6rem);
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }

        .cta-content p {
            font-size: 1.1rem;
            color: rgba(240, 240, 245, 0.75);
            max-width: 500px;
            line-height: 1.7;
        }

        .btn-cta-huge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 18px 48px;
            font-size: 1.2rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--accent);
            background: #fff;
            border-radius: var(--radius-button);
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .btn-cta-huge:hover {
            transform: scale(1.05);
            box-shadow: 0 0 40px rgba(233, 30, 99, 0.4), 0 8px 32px rgba(0, 0, 0, 0.5);
            color: #c2185b;
        }

        .cta-trust-text {
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

        /* ========== 页脚 ========== */
        #footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo-wrap {
            margin-bottom: 14px;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-links h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

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

        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.85rem;
            transition: color 0.25s ease;
        }

        .footer-links a:hover {
            color: var(--accent);
        }

        .footer-social {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .footer-social .social-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: all 0.25s ease;
            font-size: 1rem;
            cursor: pointer;
        }

        .footer-social .social-icon:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 0 16px rgba(233, 30, 99, 0.25);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-bottom .domain-info {
            color: var(--text-muted);
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
                text-align: center;
            }
            .hero-text {
                align-items: center;
            }
            .hero-subtitle {
                max-width: 100%;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .hero-visual {
                max-width: 560px;
                margin: 0 auto;
                aspect-ratio: 16/10;
            }
            .hero-badge {
                margin: 0 auto;
            }
            .solutions-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pain-grid .pain-card:last-child {
                grid-column: span 2;
                max-width: 400px;
                justify-self: center;
            }
            .results-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid .testimonial-card:last-child {
                grid-column: span 2;
                max-width: 400px;
                justify-self: center;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: span 2;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .nav-cta-btn {
                padding: 8px 16px;
                font-size: 0.78rem;
            }
            .logo-main {
                font-size: 1.15rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links,
            .nav-cta-btn {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .mobile-nav-panel {
                display: flex;
            }
            .section {
                padding: 64px 0;
            }
            .hero-grid {
                gap: 28px;
            }
            .hero-title {
                font-size: clamp(1.9rem, 6vw, 2.6rem);
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-visual {
                aspect-ratio: 16/9;
            }
            .pain-grid {
                grid-template-columns: 1fr;
            }
            .pain-grid .pain-card:last-child {
                grid-column: span 1;
                max-width: 100%;
            }
            .solutions-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .results-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .testimonials-grid .testimonial-card:last-child {
                grid-column: span 1;
                max-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: span 1;
            }
            .btn-cta-huge {
                padding: 16px 36px;
                font-size: 1rem;
            }
            .hero-scroll-indicator {
                bottom: 20px;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section-header h2::after {
                width: 40px;
                margin-top: 10px;
            }
            .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 48px 0;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: center;
                width: 100%;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-ghost {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            .results-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-badge {
                padding: 24px 16px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-label {
                font-size: 0.75rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .solution-card {
                padding: 24px 18px;
            }
            .pain-card {
                padding: 24px 18px;
            }
            #cta {
                padding: 64px 0;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 16px;
                font-size: 0.85rem;
            }
        }