/* ==================== 全局样式 ==================== */
:root {
    --primary-color: #F97316;
    --primary-dark: #EA580C;
    --primary-light: #FB923C;
    --primary-lighter: #FDBA74;
    --secondary-color: #F59E0B;
    --accent-color: #EF4444;
    --success-color: #10B981;
    --danger-color: #DC2626;

    --bg-dark: #FAFAFA;
    --bg-darker: #F5F5F5;
    --bg-card: rgba(255, 255, 255, 0.95);
    --bg-glass: rgba(255, 255, 255, 0.8);

    --text-primary: #1A1A2E;
    --text-secondary: #4A5568;
    --text-muted: #718096;

    --border-color: rgba(249, 115, 22, 0.2);
    --shadow-color: rgba(0, 0, 0, 0.08);

    --gradient-primary: linear-gradient(135deg, #F97316 0%, #FB923C 50%, #F59E0B 100%);
    --gradient-accent: linear-gradient(135deg, #F97316 0%, #EF4444 100%);
    --gradient-bg: linear-gradient(180deg, #FAFAFA 0%, #F5F5F5 100%);
    --gradient-glow: radial-gradient(circle at center, rgba(249, 115, 22, 0.08) 0%, transparent 70%);

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    background: var(--gradient-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    width: 100%;
    max-width: 100vw;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ==================== 人像图谱容器 ==================== */
.human-graph-container {
    width: 220px;
    height: 190px;
    margin: 1rem auto 0;
    position: relative;
    z-index: 10;
}

#head-graph-svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* ==================== 四大要素支柱 ==================== */
.four-pillars {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.pillar-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
    cursor: default;
}

.pillar-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-light);
    box-shadow: 0 8px 24px rgba(249, 115, 22, 0.25);
}

.pillar-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    transition: var(--transition-base);
}

.pillar-item:hover .pillar-icon {
    transform: scale(1.15);
    box-shadow: 0 4px 16px rgba(249, 115, 22, 0.4);
}

.pillar-item span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ==================== 产品力分类区域 ==================== */
.feature-category {
    margin-bottom: 4rem;
}

.feature-category:last-child {
    margin-bottom: 0;
}

.category-header {
    text-align: center;
    margin-bottom: 2rem;
}

.category-badge {
    display: inline-block;
    padding: 0.35rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    color: white;
}

.badge-engine {
    background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
}

.badge-agent {
    background: linear-gradient(135deg, #F97316 0%, #F59E0B 100%);
}

.badge-tool {
    background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
}

.badge-native {
    background: linear-gradient(135deg, #EF4444 0%, #F97316 100%);
}

.badge-security {
    background: linear-gradient(135deg, #059669 0%, #10B981 100%);
}

.category-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* 特色卡片渐变 - 核心引擎 */
.feature-graph .feature-icon {
    background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
}

.feature-analysis .feature-icon {
    background: linear-gradient(135deg, #0EA5E9 0%, #06B6D4 100%);
}

.feature-context .feature-icon {
    background: linear-gradient(135deg, #8B5CF6 0%, #A78BFA 100%);
}

/* 特色卡片渐变 - 智能体 */
.feature-multi-agent .feature-icon {
    background: linear-gradient(135deg, #F97316 0%, #FB923C 100%);
}

.feature-dialogue .feature-icon {
    background: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
}

.feature-memory .feature-icon {
    background: linear-gradient(135deg, #EF4444 0%, #F87171 100%);
}

.feature-vector .feature-icon {
    background: linear-gradient(135deg, #EC4899 0%, #F472B6 100%);
}

/* 特色卡片渐变 - 工具 */
.feature-terminal .feature-icon {
    background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
}

.feature-editor .feature-icon {
    background: linear-gradient(135deg, #059669 0%, #10B981 100%);
}

/* 特色卡片渐变 - AI原生 */
.feature-cli .feature-icon {
    background: linear-gradient(135deg, #EF4444 0%, #F97316 100%);
}

.feature-container .feature-icon {
    background: linear-gradient(135deg, #DC2626 0%, #EF4444 100%);
}

.feature-crossplatform .feature-icon {
    background: linear-gradient(135deg, #F97316 0%, #F59E0B 100%);
}

/* 特色卡片渐变 - AI编程安全机制 */
.feature-scope .feature-icon {
    background: linear-gradient(135deg, #059669 0%, #10B981 100%);
}

.feature-integrity .feature-icon {
    background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
}

.feature-rollback .feature-icon {
    background: linear-gradient(135deg, #047857 0%, #059669 100%);
}

/* 特性网格布局变体 */
.features-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.features-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.features-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

/* 分类区域分隔线 */
.feature-category+.feature-category {
    padding-top: 3rem;
    border-top: 1px solid rgba(249, 115, 22, 0.1);
}

/* ==================== 粒子背景 ==================== */
#particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(249, 115, 22, 0.3);
    border-radius: 50%;
    opacity: 0.6;
    animation: float 15s infinite ease-in-out;
    box-shadow: 0 0 10px rgba(249, 115, 22, 0.2);
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) translateX(0);
    }

    25% {
        transform: translateY(-30px) translateX(20px);
    }

    50% {
        transform: translateY(-15px) translateX(-15px);
    }

    75% {
        transform: translateY(-25px) translateX(10px);
    }
}

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-base);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px var(--shadow-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    transition: var(--transition-base);
}

.logo-img:hover {
    transform: rotate(360deg) scale(1.1);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-base);
    white-space: nowrap;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-base);
}

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

.nav-menu a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 8px;
    margin: -8px;
    position: relative;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-base);
    pointer-events: none;
}

/* Language Switch */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.lang-btn {
    background: none;
    border: 1px solid transparent;
    cursor: pointer;
    padding: 2px 8px;
        font-size: 0.85rem;
        font-weight: 600;
        border-radius: 4px;
        transition: all 0.2s;
        opacity: 0.55;
    color: var(--text-primary);
}

.lang-btn:hover {
    opacity: 0.85;
    border-color: var(--border-color, rgba(255, 255, 255, 0.2));
}

.lang-btn.active {
    opacity: 1;
    border-color: var(--accent-color, #3b82f6);
        color: var(--accent-color, #3b82f6);
}

/* ==================== Hero Section ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 7rem 2rem 4rem;
    position: relative;
    overflow: hidden;
}

/* 背景径向光晕 */
.hero-glow {
    position: absolute;
    width: 720px;
    height: 720px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.55;
    pointer-events: none;
    z-index: 0;
}

.hero-glow-left {
    top: -200px;
    left: -240px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.35) 0%, transparent 70%);
}

.hero-glow-right {
    bottom: -200px;
    right: -240px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.28) 0%, transparent 70%);
}

/* 双栏网格 */
.hero-grid {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 3.5rem;
    align-items: center;
}
.hero-content {
    z-index: 10;
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
        gap: 1.25rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0;
    backdrop-filter: blur(10px);
}

.badge-icon {
    font-size: 1rem;
}

@keyframes gradient-shift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.25rem;
    font-weight: 400;
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin: 0.25rem 0 0.5rem;
        line-height: 1.75;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
    flex-wrap: wrap;
    margin: 0.75rem 0 1.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(249, 115, 22, 0.5);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-light);
    transform: translateY(-3px);
}

/* Language Support Section */
.language-support {
    margin-top: 1rem;
        text-align: left;
        width: 100%;
}

.support-title {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 1rem;
        letter-spacing: 0.05em;
        text-transform: uppercase;
}

.language-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
        gap: 0.6rem;
        max-width: 560px;
        margin: 0;
}

.language-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
        padding: 0.6rem 0.4rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: var(--transition-base);
}

.language-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-light);
    box-shadow: 0 8px 20px rgba(249, 115, 22, 0.2);
}

.language-item i {
    font-size: 2.5rem;
    line-height: 1;
}

.language-item .devicon-img {
    width: 1.85rem;
        height: 1.85rem;
    object-fit: contain;
}

.language-item span {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Right-side product UI showcase */
.hero-showcase {
    position: relative;
    width: 100%;
    display: flex;
        align-items: center;
        justify-content: center;
        z-index: 5;
}

.showcase-frame {
    position: relative;
    width: 100%;
    max-width: 640px;
    border-radius: 18px;
    overflow: hidden;
    background: #1a1a2e;
    border: 1px solid rgba(249, 115, 22, 0.25);
    box-shadow:
        0 30px 80px rgba(249, 115, 22, 0.25),
        0 12px 40px rgba(0, 0, 0, 0.18),
        0 0 0 1px rgba(255, 255, 255, 0.5) inset;
    transform: perspective(1400px) rotateY(-6deg) rotateX(2deg);
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.showcase-frame:hover {
    transform: perspective(1400px) rotateY(-2deg) rotateX(0) translateY(-4px);
}

.showcase-topbar {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.6rem 1rem;
    background: linear-gradient(180deg, #2a2a3e 0%, #1f1f33 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.showcase-topbar .dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    display: inline-block;
}

.dot-red {
    background: #ff5f56;
}

.dot-yellow {
    background: #ffbd2e;
}

.dot-green {
    background: #27c93f;
}

.showcase-title {
    margin-left: 0.75rem;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 0.04em;
}

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

/* Floating Cards 围绕产品图 */
.floating-card {
    position: absolute;
    padding: 0.85rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    gap: 0.6rem;
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--text-primary);
        box-shadow: 0 12px 36px rgba(249, 115, 22, 0.18), 0 4px 12px rgba(0, 0, 0, 0.06);
    animation: card-float 6s ease-in-out infinite;
    z-index: 6;
        white-space: nowrap;
}

.floating-card i {
    font-size: 1.05rem;
        color: var(--primary-color);
}

.card-1 {
    top: -22px;
        left: -34px;
    animation-delay: 0s;
}

.card-2 {
    top: 18%;
        right: -42px;
    animation-delay: 1.5s;
}

.card-3 {
    bottom: 22%;
        left: -50px;
    animation-delay: 3s;
}

.card-4 {
    bottom: -22px;
        right: -28px;
    animation-delay: 4.5s;
}

@keyframes card-float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-12px);
    }
}

/* ==================== Features Section ==================== */
.features {
    padding: 6rem 0;
    position: relative;
    z-index: 10;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Hero 新增样式 */
.hero-eyebrow {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin: 0;
}
.hero-title {
    font-size: 5rem;
    font-weight: 900;
    line-height: 1.05;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
        margin: 0;
}

.hero-positioning {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 0.1em;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin: 0;
}

.hero-declaration {
    align-self: flex-start;
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(249, 115, 22, 0.08);
    border: 1px solid rgba(249, 115, 22, 0.25);
    border-radius: 50px;
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    margin: 0.25rem 0;
}

.hero-selling-points {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    justify-content: flex-start;
        margin: 0.25rem 0;
}

.selling-point {
    padding: 0.45rem 0.9rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 10px;
        font-size: 0.82rem;
    color: var(--text-secondary);
    backdrop-filter: blur(10px);
}

/* 核心能力网格 */
.core-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.core-feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.core-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-base);
}

.core-feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary-light);
    box-shadow: 0 20px 40px rgba(249, 115, 22, 0.15);
}

.core-feature-card:hover::before {
    transform: scaleX(1);
}

.core-feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 1.5rem;
}

.core-feature-icon.icon-graph {
    background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
}

.core-feature-icon.icon-lang {
    background: linear-gradient(135deg, #0EA5E9 0%, #06B6D4 100%);
}

.core-feature-icon.icon-agent {
    background: linear-gradient(135deg, #EC4899 0%, #F43F5E 100%);
}

.core-feature-icon.icon-cce {
    background: linear-gradient(135deg, #8B5CF6 0%, #A855F7 100%);
}
.core-feature-icon.icon-refactor {
    background: linear-gradient(135deg, #F97316 0%, #FB923C 100%);
}

.core-feature-icon.icon-private {
    background: linear-gradient(135deg, #059669 0%, #10B981 100%);
}

.core-feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.core-feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 增量图谱板块 */
.incremental-feature {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 24px;
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.incremental-badge {
    display: inline-block;
    padding: 0.35rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: white;
    background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
    margin-bottom: 1.5rem;
}

.incremental-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.incremental-left h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.incremental-left p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.incremental-benefits {
    list-style: none;
    padding: 0;
}

.incremental-benefits li {
    padding: 0.5rem 0;
    font-size: 1rem;
    color: var(--text-secondary);
}

.incremental-visual {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.compare-box {
    width: 100%;
    padding: 1.5rem;
    border-radius: 16px;
    text-align: center;
}

.compare-old {
    background: rgba(239, 68, 68, 0.06);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.compare-new {
    background: rgba(16, 185, 129, 0.06);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.compare-label {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
}

.compare-old .compare-label {
    background: rgba(239, 68, 68, 0.1);
    color: #EF4444;
}

.compare-new .compare-label {
    background: rgba(16, 185, 129, 0.1);
    color: #10B981;
}

.compare-box p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.compare-arrow {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

/* ==================== Comparison Section ==================== */
.comparison-section {
    padding: 6rem 0;
    position: relative;
    z-index: 10;
    background: var(--gradient-bg);
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.comparison-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition-base);
}

.comparison-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.comp-axons {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 1px var(--primary-color), 0 10px 30px rgba(249, 115, 22, 0.15);
}

.comp-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin: 0 auto 1.5rem;
}

.comp-ai .comp-icon {
    background: linear-gradient(135deg, #94A3B8 0%, #64748B 100%);
}

.comp-audit .comp-icon {
    background: linear-gradient(135deg, #0EA5E9 0%, #0284C7 100%);
}

.comp-axons .comp-icon {
    background: var(--gradient-primary);
}

.comparison-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.comparison-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.comp-tag {
    display: inline-block;
    padding: 0.35rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--bg-darker);
    color: var(--text-muted);
}

.comp-axons .comp-tag {
    background: rgba(249, 115, 22, 0.1);
    color: var(--primary-color);
}

/* ==================== Scenarios Section ==================== */
.scenarios-section {
    padding: 6rem 0;
    position: relative;
    z-index: 10;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
}

.scenario-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--transition-base);
}

.scenario-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary-light);
    box-shadow: 0 15px 30px rgba(249, 115, 22, 0.12);
}

.scenario-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.scenario-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.scenario-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ==================== Pricing Section ==================== */
.pricing-section {
    padding: 6rem 0;
    position: relative;
    z-index: 10;
    background: var(--gradient-bg);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    align-items: start;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition-base);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.pricing-featured {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 1px var(--primary-color), 0 10px 30px rgba(249, 115, 22, 0.15);
    transform: scale(1.05);
}

.pricing-featured:hover {
    transform: scale(1.05) translateY(-6px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.35rem 1.5rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    color: white;
    background: var(--gradient-primary);
}

.pricing-tier {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.pricing-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.pricing-annual {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 400;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
    text-align: left;
}

.pricing-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pricing-features li i {
    color: var(--success-color);
    font-size: 0.8rem;
}

.pricing-card .btn {
    width: 100%;
    justify-content: center;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition-base);
    background: transparent;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

/* ==================== FAQ Section ==================== */
.faq-section {
    padding: 6rem 0;
    position: relative;
    z-index: 10;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem 2rem;
    margin-bottom: 1rem;
    transition: var(--transition-base);
}

.faq-item:hover {
    border-color: var(--primary-light);
}

.faq-question {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.faq-answer {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Footer mission */
.footer-mission {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}
/* ==================== Demo Section ==================== */
.demo-section {
    padding: 6rem 0;
    position: relative;
    z-index: 10;
    background: rgba(250, 250, 250, 0.5);
}

.video-container {
    max-width: 900px;
    margin: 0 auto;
}

.video-wrapper {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
}

.video-wrapper video {
    width: 100%;
    display: block;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.video-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.play-button {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-primary);
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    box-shadow: 0 10px 40px rgba(249, 115, 22, 0.6);
}

.play-button:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 50px rgba(249, 115, 22, 0.8);
}

/* ==================== Download Section ==================== */
.download-section {
    padding: 6rem 0;
    position: relative;
    z-index: 10;
}

.download-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.download-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2.5rem;
    text-align: center;
    position: relative;
    overflow: visible;
    transition: var(--transition-base);
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-base);
    pointer-events: none;
}

.download-card:hover .card-glow {
    opacity: 1;
}

.download-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-light);
}

.download-card.featured {
    border-color: var(--primary-light);
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.15) 0%, rgba(251, 146, 60, 0.05) 100%);
}

.download-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--bg-glass);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--primary-light);
    transition: var(--transition-base);
}

.download-card:hover .download-icon {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    transform: scale(1.1);
}

.download-card h3 {
    font-size: 1.75rem;
    margin-bottom: 0;
    color: var(--text-primary);
    white-space: nowrap;
}

.version-info {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.features-list {
    list-style: none;
    margin-bottom: 0;
    text-align: left;
}

.features-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.features-list i {
    color: var(--success-color);
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    justify-content: center;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: var(--transition-base);
    box-shadow: 0 8px 24px rgba(249, 115, 22, 0.4);
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(249, 115, 22, 0.6);
}

.file-size {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Architecture Selector */
.arch-selector {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    justify-content: center;
    position: relative;
    z-index: 10;
}

.arch-btn {
    flex: 1;
    padding: 0.5rem 1rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    z-index: 10;
}

.arch-btn:hover {
    border-color: var(--primary-light);
    color: var(--text-primary);
}

.arch-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    font-weight: 500;
}

.system-requirements {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
}

.system-requirements h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.requirement-item {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ==================== Contact Section ==================== */
.contact-section {
    padding: 6rem 0;
    position: relative;
    z-index: 10;
    background: rgba(250, 250, 250, 0.5);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition-base);
}

.contact-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-light);
    box-shadow: 0 20px 40px rgba(249, 115, 22, 0.3);
}

.contact-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
}

.contact-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0;
    color: var(--text-primary);
}

.contact-card>p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.qr-code {
    margin-bottom: 1.5rem;
}

.qr-code img {
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.contact-info {
    margin-bottom: 1.5rem;
}

.contact-info p {
    color: var(--text-secondary);
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.contact-info i {
    color: var(--primary-light);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.social-links a {
    width: 50px;
    height: 50px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition: var(--transition-base);
}

.social-links a:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    transform: translateY(-3px);
}

.contact-link {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: var(--transition-base);
}

.contact-link:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    transform: translateY(-3px);
}

/* ==================== Footer ==================== */
.footer {
    background: #F5F5F5;
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
    position: relative;
    z-index: 10;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 1rem;
    font-size: 0.875rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 0;
    font-size: 0.875rem;
    transition: var(--transition-base);
}

.footer-column a:hover {
    color: var(--primary-light);
    transform: translateX(5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.footer-icp {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.footer-icp a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-icp a:hover {
    color: var(--text-secondary);
}
.visitor-counter {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-muted);
    backdrop-filter: blur(10px);
}

.visitor-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.6rem;
}

.device-counter i {
    color: var(--primary-color);
}

.visitor-counter i {
    color: var(--primary-light);
    font-size: 0.75rem;
}

.visitor-count {
    font-weight: 700;
    color: var(--primary-color);
    min-width: 2ch;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0.5rem 0;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .hero {
            padding: 6rem 1.5rem 3rem;
    }

                                .hero-grid {
                                    grid-template-columns: 1fr;
                                    gap: 3rem;
                                    text-align: center;
    }

    .hero-content {
        align-items: center;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
    }

                                .hero-title {
                                    font-size: 4rem;
                                }
                
                                .hero-declaration {
                                    align-self: center;
                                }
                
                                .hero-selling-points,
                                .hero-buttons {
                                    justify-content: center;
                                }
                
                                .language-support {
                                    text-align: center;
                                }
                
                                .language-grid {
                                    margin: 0 auto;
                                    grid-template-columns: repeat(4, 1fr);
                                    max-width: 420px;
                                }
                
                                .hero-showcase {
                                    order: 2;
                                }
                
                                .showcase-frame {
                                    max-width: 560px;
                                    transform: none;
                                }
                
                                .floating-card {
        display: none;
    }

    .features-grid-3 {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

    .features-grid-4 {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }

    .features-grid-2 {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }

    .download-cards {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

    .contact-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

    .footer-content {
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .hero {
        min-height: auto;
        padding: 7rem 1rem 2rem;
    }

    .hero-badge {
        font-size: 0.8rem;
    }

    .hero-description {
        font-size: 1rem;
        line-height: 1.7;
    }

    .hero-buttons {
        gap: 0.75rem;
        margin-bottom: 2rem;
    }

    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }

    .language-support {
        margin-top: 1.5rem;
    }

    .support-title {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }

    .language-grid {
        grid-template-columns: repeat(4, 1fr);
            gap: 0.6rem;
            max-width: 320px;
    }

    .language-item {
        padding: 0.6rem 0.4rem;
        }
        
        .hero-title {
            font-size: 3rem;
        }
        
        .hero-subtitle {
            font-size: 1rem;
        }
        
        .showcase-frame {
            max-width: 92%;
    }

    .language-item i {
        font-size: 2rem;
    }

    .language-item span {
        font-size: 0.8rem;
    }

    /* Navigation mobile */
    .navbar {
        padding: 0.75rem 0;
    }

    .nav-container {
        padding: 0 0.75rem;
        flex-wrap: nowrap;
        gap: 0;
    }

    .logo {
        font-size: 1.25rem;
        gap: 0.35rem;
        flex-shrink: 1;
        min-width: 0;
        min-width: 0;
    }

    .logo-img {
        width: 32px;
        height: 32px;
    }

    .nav-menu {
        position: fixed;
        top: 52px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1.5rem 2rem;
        gap: 0;
        transform: translateY(-150%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        padding: 1rem 0;
        border-bottom: 1px solid rgba(249, 115, 22, 0.1);
        font-size: 1.1rem;
    }

    .nav-menu a::after {
        display: none;
    }

    .hamburger {
        display: flex;
        flex-shrink: 0;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .lang-switch {
        padding: 0.2rem 0.4rem;
        font-size: 0.7rem;
        flex-shrink: 1;
    }

    .lang-btn {
        font-size: 0.7rem;
        padding: 0.15rem 0.3rem;
    }

    .lang-divider {
        font-size: 0.6rem;
    }

    .nav-actions {
        gap: 0.5rem;
        flex-shrink: 1;
        min-width: 0;
    }

    /* Features */
    .features {
        padding: 4rem 0;
    }

    .section-header {
        margin-bottom: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .features-grid,
    .features-grid-3,
    .features-grid-4,
    .features-grid-2,
    .download-cards,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        min-width: 0;
    }

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                .core-features-grid {
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    grid-template-columns: 1fr;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                .incremental-content {
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    grid-template-columns: 1fr;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    gap: 2rem;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                .comparison-grid {
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    grid-template-columns: 1fr;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                .scenarios-grid {
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    grid-template-columns: repeat(2, 1fr);
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                .pricing-grid {
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    grid-template-columns: 1fr;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                .pricing-featured {
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    transform: none;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                .pricing-featured:hover {
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    transform: translateY(-6px);
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                .hero-title {
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    font-size: 2.5rem;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                .hero-positioning {
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    font-size: 1.35rem;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                .hero-selling-points {
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    flex-direction: column;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    align-items: center;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
    .feature-card,
    .download-card,
    .contact-card {
        min-width: 0;
        max-width: 100%;
    }

    .category-title {
        font-size: 1.1rem;
    }

    .feature-category {
        margin-bottom: 3rem;
    }

    .feature-card {
        padding: 2rem;
    }

    .feature-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .feature-card h3 {
        font-size: 1.25rem;
    }

    /* Demo */
    .demo-section {
        padding: 4rem 0;
    }

    .video-container {
        padding: 0 0.5rem;
    }

    .play-button {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    /* Download */
    .download-section {
        padding: 4rem 0;
    }

    .download-card {
        padding: 2rem 1.5rem;
    }

    .download-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }

    .download-card h3 {
        font-size: 1.5rem;
        white-space: normal;
        word-break: break-word;
    }

    .arch-selector {
        flex-wrap: wrap;
    }

    .arch-btn {
        font-size: 0.8rem;
        padding: 0.4rem 0.75rem;
    }

    .custom-select-trigger {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }

    .custom-option {
        height: 44px;
        font-size: 0.8rem;
    }

    /* Contact */
    .contact-section {
        padding: 4rem 0;
    }

    .contact-card {
        padding: 2rem 1.5rem;
    }

    .contact-icon {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
    }

    .contact-card h3 {
        font-size: 1.25rem;
    }

    .qr-code img {
        max-width: 120px;
    }

    /* Footer */
    .footer {
        padding: 3rem 0 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-brand {
        text-align: center;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .footer-column h4 {
        margin-bottom: 1rem;
    }

    /* System requirements */
    .system-requirements {
        padding: 1.5rem;
    }

    .requirements-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 13px;
    }

    .hero {
        padding: 6rem 0.75rem 1.5rem;
    }

    .hero-badge {
        font-size: 0.75rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .language-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }

    .language-item {
        padding: 0.6rem 0.5rem;
    }

    .language-item i {
        font-size: 1.75rem;
    }

    .language-item span {
        font-size: 0.75rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .section-subtitle {
        font-size: 0.9rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                .core-feature-card {
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    padding: 1.5rem;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                .scenarios-grid {
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    grid-template-columns: 1fr;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                .incremental-feature {
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    padding: 2rem 1.5rem;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                .faq-item {
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    padding: 1.25rem 1.5rem;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
    .download-card {
        padding: 1.5rem 1rem;
    }

    .download-card h3 {
        font-size: 1.25rem;
        white-space: normal;
    }

    .contact-card {
        padding: 1.5rem 1rem;
    }

    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-column a:hover {
        transform: none;
    }

    .container {
        padding: 0 1rem;
    }
}

/* 自定义下拉选择框样式 */
.arch-selector.web-selector {
    display: block;
    margin-bottom: 1.5rem;
    position: relative;
}

.custom-select-wrapper {
    position: relative;
    width: 100%;
    z-index: 100;
}

.custom-select-trigger {
    width: 100%;
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.95) 100%);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-base);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    user-select: none;
}

.custom-select-trigger:hover {
    border-color: var(--primary-light);
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 4px 16px rgba(249, 115, 22, 0.15);
    transform: translateY(-2px);
}

.custom-select-trigger.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.15), 0 8px 24px rgba(249, 115, 22, 0.2);
    border-radius: 12px 12px 0 0;
}

.custom-select-trigger i {
    color: var(--primary-light);
    font-size: 0.875rem;
    transition: var(--transition-base);
}

.custom-select-trigger.active i {
    transform: rotate(180deg);
}

.custom-options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 2px solid var(--primary-color);
    border-top: none;
    border-radius: 0 0 12px 12px;
    box-shadow: 0 12px 32px rgba(249, 115, 22, 0.2);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
    pointer-events: none;
    padding: 0;
    /* 自定义滚动条样式 */
        scrollbar-width: thin;
        scrollbar-color: var(--primary-light) rgba(249, 115, 22, 0.05);
}

.custom-options.active {
    max-height: 250px !important;
    opacity: 1;
    overflow-y: scroll !important;
    overflow-x: hidden !important;
    pointer-events: auto;
}

.custom-options::-webkit-scrollbar {
    width: 8px;
}

.custom-options::-webkit-scrollbar-track {
    background: rgba(249, 115, 22, 0.05);
    border-radius: 0 0 12px 0;
}

.custom-options::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-light) 0%, var(--primary-color) 100%);
    border-radius: 4px;
    border: 2px solid transparent;
    background-clip: padding-box;
}

.custom-options::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    background-clip: padding-box;
}

.custom-option {
    padding: 0 1.25rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    border-bottom: 1px solid rgba(249, 115, 22, 0.1);
    position: relative;
    height: 50px;
    box-sizing: border-box;
}

.custom-option:last-child {
    border-bottom: none;
}

.custom-option:hover {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.08) 0%, rgba(251, 146, 60, 0.04) 100%);
    color: var(--primary-color);
}

.custom-option.selected {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.12) 0%, rgba(251, 146, 60, 0.06) 100%);
    color: var(--primary-color);
    font-weight: 600;
}

.custom-option.selected::after {
    content: '✓';
    position: absolute;
    right: 1.25rem;
    color: var(--primary-color);
    font-weight: bold;
}

.custom-option i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.arch-select-hidden {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
/* ==================== 新增：Hero selling-point 第 4 条 ==================== */
.hero-selling-points .selling-point {
    transition: var(--transition-base);
}

.hero-selling-points .selling-point:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(249, 115, 22, 0.15);
}

/* ==================== 新增：为什么选择 Axons Section ==================== */
.why-axons-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, #FFF7ED 0%, #FAFAFA 100%);
    position: relative;
}

.pain-points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.pain-point-card {
    background: white;
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(249, 115, 22, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pain-point-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(249, 115, 22, 0.15);
}

.pain-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #FFF7ED 0%, #FFEDD5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: #F97316;
}

.pain-question {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1F2937;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.pain-answer {
    font-size: 0.95rem;
    color: #F97316;
    font-weight: 500;
    line-height: 1.5;
}
/* ==================== 新增：产品形态 Section ==================== */
.forms-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, #FAFAFA 0%, #FFF7ED 100%);
    position: relative;
}

.forms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.form-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-base);
}

.form-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(249, 115, 22, 0.15);
    border-color: var(--primary-light);
}

.form-card:hover::before {
    opacity: 1;
}

.form-card .form-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 1.75rem;
    box-shadow: 0 8px 20px rgba(249, 115, 22, 0.25);
}

.form-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.form-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.form-card .form-tag {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: rgba(249, 115, 22, 0.1);
    color: var(--primary-dark);
    font-size: 0.75rem;
    font-weight: 500;
}

.form-card.form-highlight {
    background: linear-gradient(135deg, #FFF 0%, #FFF7ED 100%);
    border: 2px solid var(--primary-color);
    box-shadow: 0 12px 32px rgba(249, 115, 22, 0.18);
}

.form-card.form-highlight::before {
    opacity: 1;
    height: 4px;
}

/* ==================== 新增：Agents Section ==================== */
.agents-section {
    padding: 6rem 0;
    background: var(--bg-dark);
}

.agents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-top: 3rem;
}

.agent-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 1.75rem 1.5rem;
    display: grid;
    grid-template-columns: 44px 1fr;
    column-gap: 1rem;
    row-gap: 0;
    align-items: start;
    transition: var(--transition-base);
}

.agent-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-light);
    box-shadow: 0 12px 24px rgba(249, 115, 22, 0.12);
}

.agent-card .agent-icon {
    grid-row: 1 / span 2;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.15), rgba(245, 158, 11, 0.1));
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.agent-card h4 {
    font-size: 1.05rem;
    margin: 0 0 0.4rem 0;
    color: var(--text-primary);
    line-height: 1.35;
}

.agent-card p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
    margin: 0;
}

.agent-card.agent-master {
    background: linear-gradient(135deg, #FFF 0%, #FFF7ED 100%);
    border: 2px solid var(--primary-color);
}

.agent-card.agent-master .agent-icon {
    background: var(--gradient-primary);
    color: #fff;
}

.agent-card.agent-custom {
    border-style: dashed;
    border-color: var(--primary-light);
}

.agents-note {
    text-align: center;
    margin-top: 2.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 1rem 1.5rem;
    background: rgba(249, 115, 22, 0.05);
    border-radius: 10px;
    border: 1px dashed var(--border-color);
}

/* ==================== 新增：MCP Section ==================== */
.mcp-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, #FFF7ED 0%, #FAFAFA 100%);
    position: relative;
}

.mcp-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-top: 3rem;
}

.mcp-forms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.mcp-form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: var(--transition-base);
}

.mcp-form-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(249, 115, 22, 0.12);
}

.mcp-form-card h4 {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mcp-form-card h4 i {
    color: var(--primary-color);
}

.mcp-form-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin: 0;
}

.mcp-cat {
    background: var(--bg-card);
    border-left: 3px solid var(--primary-color);
    border-radius: 10px;
    padding: 1.25rem 1.5rem;
    transition: var(--transition-base);
}

.mcp-cat:hover {
    transform: translateX(4px);
    box-shadow: 0 6px 16px rgba(249, 115, 22, 0.1);
}

.mcp-cat h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mcp-cat h4 i {
    color: var(--primary-color);
}

.mcp-cat p {
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-family: 'SF Mono', 'Consolas', monospace;
    line-height: 1.7;
    margin: 0;
    word-break: break-word;
}

.mcp-clients {
    margin-top: 3rem;
    text-align: center;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.mcp-clients>p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.client-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.client-logo {
    padding: 0.6rem 1.25rem;
    border-radius: 8px;
    background: var(--gradient-primary);
    color: #fff;
    font-weight: 500;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.2);
    transition: var(--transition-base);
}

.client-logo:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(249, 115, 22, 0.3);
}

.mcp-protocol-note {
    color: var(--text-muted);
    font-size: 0.82rem;
    font-family: 'SF Mono', monospace;
    margin: 0;
}

/* ==================== 新增：对比表格 Section ==================== */
.compare-table-wrapper {
    margin-top: 3rem;
    overflow-x: auto;
    border-radius: 14px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    min-width: 700px;
}

.compare-table th,
.compare-table td {
    padding: 1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.92rem;
}

.compare-table th {
    background: linear-gradient(180deg, #FFF7ED 0%, #FED7AA 100%);
    color: var(--text-primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.05em;
}

.compare-table th.col-axons {
    background: var(--gradient-primary);
    color: #fff;
}

.compare-table td:first-child {
    font-weight: 500;
    color: var(--text-primary);
}

.compare-table tbody tr:hover {
    background: rgba(249, 115, 22, 0.04);
}

.compare-table .check-mark {
    color: var(--success-color);
    font-weight: 700;
    margin-right: 0.25rem;
}

.compare-table .x-mark {
    color: var(--text-muted);
    font-weight: 400;
}

.compare-summary {
    margin-top: 1.75rem;
    padding: 1.25rem 1.5rem;
    background: rgba(249, 115, 22, 0.05);
    border-left: 3px solid var(--primary-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
}

.compare-summary strong {
    color: var(--primary-dark);
}

/* ==================== 新增：Pricing 调整 ==================== */
.pricing-features li .fa-plus {
    color: var(--primary-color);
}

.pricing-note {
    margin-top: 2.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.88rem;
    padding: 1rem;
    background: rgba(249, 115, 22, 0.04);
    border-radius: 8px;
}

.pricing-note a {
    color: var(--primary-color);
    text-decoration: underline;
}

/* ==================== 响应式适配 ==================== */
@media (max-width: 768px) {

    .forms-grid,
    .agents-grid,
    .mcp-categories {
        grid-template-columns: 1fr;
    }

    .compare-table {
        font-size: 0.82rem;
    }

    .compare-table th,
    .compare-table td {
        padding: 0.7rem 0.85rem;
    }

    .client-logos {
        gap: 0.5rem;
    }

    .client-logo {
        padding: 0.45rem 0.85rem;
        font-size: 0.82rem;
    }
}
/* ==================== Redesign: Navigation updates (subtle, text-style) ==================== */
/* GitHub link: placed in nav-actions, styled as a subtle pill button */
.nav-actions .nav-github-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    background: var(--bg-glass);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition-base);
    white-space: nowrap;
}

.nav-actions .nav-github-link i {
    font-size: 1rem;
    opacity: 0.85;
}

.nav-actions .nav-github-link .github-star-count {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-muted);
}

.nav-actions .nav-github-link:hover {
    border-color: var(--primary-light);
    color: var(--text-primary);
    background: rgba(249, 115, 22, 0.06);
}

.nav-actions .nav-github-link:hover .github-star-count {
    color: var(--primary-color);
}

/* ==================== Redesign: Indie Developer Badge ==================== */
.hero-eyebrow.indie-badge {
    display: inline-block;
    padding: 0.4rem 0.85rem;
    background: rgba(249, 115, 22, 0.08);
    border: 1px solid rgba(249, 115, 22, 0.25);
    border-radius: 999px;
    font-size: 0.85rem;
    color: var(--primary-dark);
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* Hero ghost button variant */
.btn.btn-ghost {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.btn.btn-ghost:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(249, 115, 22, 0.04);
}

/* ==================== Redesign: Open Source Section ==================== */
.opensource-section {
    padding: 5rem 0;
    background: var(--gradient-bg);
}

.opensource-hero {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.os-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.os-stat-card {
    padding: 1.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-base);
}

.os-stat-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 24px rgba(249, 115, 22, 0.12);
}

.os-stat-card i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.os-stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.os-stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    word-break: break-all;
}

.os-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.os-license {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.os-license a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.os-license a:hover {
    text-decoration: underline;
}

.os-enterprise {
    max-width: 700px;
    margin: 3.5rem auto 0;
    text-align: center;
    padding: 2rem;
    border: 1px dashed var(--border-color);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.4);
}

.os-enterprise-divider {
    display: inline-block;
    padding: 0.35rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-weight: 600;
    letter-spacing: 0.08em;
}

.os-enterprise-desc {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.os-enterprise-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: var(--transition-base);
}

.os-enterprise-link:hover {
    background: rgba(249, 115, 22, 0.08);
}


/* ==================== 英文排版适配：Hero 区域字体缩放 ==================== */
:root:lang(en) .hero-subtitle {
    font-size: 0.95rem;
}

:root:lang(en) .hero-declaration {
    font-size: 0.8rem;
    padding: 0.4rem 1rem;
}

:root:lang(en) .hero-description {
    font-size: 0.92rem;
    line-height: 1.65;
}

:root:lang(en) .selling-point {
    font-size: 0.75rem;
    padding: 0.4rem 0.7rem;
}