/* ============================================
   互联游戏 AI 增长合作伙伴平台
   Website Design Standard V3.0 · 质感升级版
   主背景：#0B0F17 · AI Blue：#3B82F6 · CTA Orange：#F97316
   ============================================ */

:root {
    --bg-primary: #0B0F17;
    --bg-secondary: #0F172A;
    --bg-card: #1A2030;
    --bg-elevated: #1E293B;
    --bg-glass: rgba(26, 32, 48, 0.7);
    --border-color: #2D3748;
    --border-subtle: rgba(45, 55, 72, 0.6);
    --border-glow: rgba(59, 130, 246, 0.3);

    --text-title: #FFFFFF;
    --text-body: #CBD5E1;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;

    --ai-blue: #3B82F6;
    --ai-blue-light: #60A5FA;
    --ai-blue-dark: #2563EB;
    --ai-purple: #8B5CF6;
    --cta-orange: #F97316;
    --cta-orange-light: #FB923C;
    --success-green: #10B981;
    --warning-amber: #F59E0B;
    --danger-red: #EF4444;

    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-blue: 0 8px 36px rgba(59, 130, 246, 0.25);
    --shadow-orange: 0 8px 36px rgba(249, 115, 22, 0.25);

    --gradient-blue: linear-gradient(135deg, var(--ai-blue) 0%, var(--ai-purple) 100%);
    --gradient-blue-soft: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(139, 92, 246, 0.1) 100%);
    --gradient-orange: linear-gradient(135deg, var(--cta-orange) 0%, #EA580C 100%);
    --gradient-text: linear-gradient(135deg, var(--ai-blue-light) 0%, var(--ai-purple) 100%);

    --font-display: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --max-width: 1280px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    background: var(--bg-primary);
    color: var(--text-body);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    overflow-x: hidden;
    font-weight: 400;
    letter-spacing: 0.01em;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-title);
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

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

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

ul, ol { list-style: none; }

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

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

@media (max-width: 768px) {
    .container { padding: 0 1.2rem; }
}

/* ========== 通用 Section ========== */
.section {
    padding: 6.5rem 0;
    position: relative;
    z-index: 1;
}

.section-alt {
    background: var(--bg-secondary);
}

.section-alt::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(180deg, rgba(59, 130, 246, 0.02) 0%, transparent 100%);
    pointer-events: none;
}

.section-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 4rem;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--ai-blue-light);
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 0.45rem 1.2rem;
    border-radius: 20px;
    margin-bottom: 1.4rem;
}

.section-tag::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ai-blue-light);
    box-shadow: 0 0 10px var(--ai-blue-light);
}

.section-title {
    font-size: clamp(1.7rem, 3.8vw, 2.6rem);
    font-weight: 700;
    margin-bottom: 1.1rem;
    letter-spacing: -0.03em;
}

.section-title strong {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.9;
}

@media (max-width: 768px) {
    .section { padding: 4.5rem 0; }
    .section-header { margin-bottom: 2.8rem; }
}

/* ========== 按钮系统 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.95rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.3px;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-blue);
    color: #FFFFFF;
    box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(59, 130, 246, 0.45);
}

.btn-orange {
    background: var(--gradient-orange);
    color: #FFFFFF;
    box-shadow: var(--shadow-orange);
}

.btn-orange:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(249, 115, 22, 0.45);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-title);
}

.btn-secondary:hover {
    border-color: var(--ai-blue);
    color: var(--ai-blue-light);
    background: rgba(59, 130, 246, 0.06);
}

.btn-arrow::after {
    content: '→';
    transition: transform var(--transition-base);
    font-weight: 600;
    display: inline-block;
}

.btn-arrow:hover::after {
    transform: translateX(4px);
}

.btn-lg {
    padding: 1.1rem 2.4rem;
    font-size: 0.95rem;
}

/* ========== 导航栏 ========== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(11, 15, 23, 0.75);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--border-subtle);
    transition: all var(--transition-base);
}

.site-header.scrolled {
    background: rgba(11, 15, 23, 0.95);
    border-bottom-color: var(--border-color);
}

.nav {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    text-decoration: none;
    color: var(--text-title);
    font-weight: 600;
    flex-shrink: 0;
}

.brand img {
    height: 36px;
    width: auto;
    border-radius: 8px;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-name {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-sub {
    font-size: 0.68rem;
    color: var(--text-muted);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    list-style: none;
}

.nav-menu a {
    padding: 0.6rem 1rem;
    font-size: 0.88rem;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-weight: 500;
    position: relative;
    display: inline-block;
}

.nav-menu a:hover {
    color: var(--text-title);
    background: rgba(255, 255, 255, 0.04);
}

.nav-menu a.active {
    color: var(--ai-blue-light) !important;
    background: rgba(59, 130, 246, 0.08);
}

.nav-cta {
    background: var(--gradient-blue) !important;
    color: #FFFFFF !important;
    padding: 0.65rem 1.3rem !important;
    border-radius: var(--radius-sm) !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
    margin-left: 0.5rem;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    cursor: pointer;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-title);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 1024px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 1rem 1.5rem 1.5rem;
        gap: 0.3rem;
        border-bottom: 1px solid var(--border-color);
        backdrop-filter: blur(24px);
    }
    .nav-menu.open {
        display: flex;
    }
    .nav-menu a {
        width: 100%;
        padding: 0.9rem 1rem;
    }
    .nav-cta {
        margin-left: 0;
        margin-top: 0.5rem;
        text-align: center;
    }
    .nav-toggle { display: flex; }
}

/* ========== Hero 首屏 ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 9rem 0 6rem;
    overflow: hidden;
    background: var(--bg-primary);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(59, 130, 246, 0.2) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 90% 50%, rgba(139, 92, 246, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 40% 30% at 10% 70%, rgba(59, 130, 246, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--ai-blue-light);
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 0.55rem 1.5rem;
    border-radius: 20px;
    margin-bottom: 2rem;
}

.hero-eyebrow::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success-green);
    box-shadow: 0 0 12px var(--success-green);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(2.2rem, 5.5vw, 4rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1.6rem;
    letter-spacing: -0.04em;
}

.hero-title strong {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.hero-title em {
    font-style: normal;
    color: var(--cta-orange-light);
}

.hero-subtitle {
    font-size: clamp(1rem, 1.6vw, 1.15rem);
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 2.8rem;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle strong {
    color: var(--text-title);
    font-weight: 600;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4.5rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3.5rem;
    flex-wrap: wrap;
    padding-top: 3rem;
    border-top: 1px solid var(--border-subtle);
    position: relative;
}

.hero-stats::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    background: var(--gradient-blue);
}

.hero-stat-item {
    text-align: center;
}

.hero-stat-number {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.4rem;
}

.hero-stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

@media (max-width: 768px) {
    .hero { min-height: auto; padding: 7rem 0 4rem; }
    .hero-stats { gap: 2rem; padding-top: 2rem; }
    .hero-stat-number { font-size: 1.6rem; }
}

/* ========== 统计卡片 ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem 1.8rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s;
}

.stat-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.5rem;
}

.stat-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ========== 功能卡片 ========== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.2rem 2rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-hover);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--gradient-blue-soft);
    border: 1px solid rgba(59, 130, 246, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.4rem;
    font-weight: 700;
    color: var(--ai-blue-light);
    font-family: var(--font-display);
}

.feature-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.7rem;
}

.feature-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.75;
}

/* ========== 模块卡片（AI超脑用） ========== */
.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.module-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.2rem 2rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.module-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-blue);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.4s;
}

.module-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-hover);
}

.module-card:hover::after { transform: scaleX(1); }

.module-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: var(--gradient-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.4rem;
    box-shadow: var(--shadow-blue);
}

.module-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.7rem;
}

.module-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.75;
}

/* ========== 渠道卡片 ========== */
.channel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

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

.channel-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-hover);
}

.channel-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.channel-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.4rem;
}

.channel-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ========== 加盟档位卡片 ========== */
.tier-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1150px;
    margin: 0 auto;
}

.tier-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    position: relative;
    display: flex;
    flex-direction: column;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.tier-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-blue);
    transform: scaleX(0);
    transition: transform 0.5s;
}

.tier-card:hover {
    transform: translateY(-10px);
    border-color: var(--border-glow);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5), 0 0 60px rgba(59, 130, 246, 0.12);
}

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

.tier-card.featured {
    border-color: rgba(59, 130, 246, 0.5);
    background: linear-gradient(165deg, rgba(59, 130, 246, 0.08) 0%, var(--bg-card) 100%);
    transform: scale(1.04);
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.18);
}

.tier-card.featured::before {
    transform: scaleX(1);
    height: 4px;
}

.tier-card.featured:hover {
    transform: scale(1.04) translateY(-10px);
}

.tier-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.04);
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
}

.tier-card.featured .tier-badge {
    top: -14px;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    background: var(--gradient-blue);
    color: #FFFFFF;
    font-size: 0.72rem;
    padding: 0.5rem 1.4rem;
    border-radius: 20px;
    white-space: nowrap;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.4);
}

.tier-name {
    font-family: var(--font-display);
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--text-title);
    margin-bottom: 0.4rem;
}

.tier-tagline {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 1.8rem;
}

.tier-price {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
    margin-bottom: 0.8rem;
}

.tier-price-currency {
    font-size: 1.1rem;
    color: var(--ai-blue-light);
    font-weight: 500;
}

.tier-price-amount {
    font-family: var(--font-display);
    font-size: 3.2rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    letter-spacing: -0.03em;
}

.tier-price-unit {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.tier-return {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.8rem;
    padding-bottom: 1.8rem;
    border-bottom: 1px solid var(--border-color);
}

.tier-return strong {
    color: var(--success-green);
    font-weight: 600;
}

.tier-features {
    flex: 1;
    margin-bottom: 2rem;
}

.tier-features li {
    padding: 0.55rem 0;
    padding-left: 1.6rem;
    position: relative;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.tier-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.8rem;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.15);
    border: 1.5px solid var(--ai-blue-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.tier-features li::after {
    content: '✓';
    position: absolute;
    left: 4px;
    top: 0.55rem;
    color: var(--ai-blue-light);
    font-weight: 700;
    font-size: 0.7rem;
}

.tier-features li strong {
    color: var(--text-title);
    font-weight: 600;
}

.tier-cta {
    display: block;
    width: 100%;
    padding: 1rem;
    text-align: center;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.92rem;
    background: var(--gradient-blue);
    color: #FFFFFF;
    box-shadow: var(--shadow-blue);
    transition: all var(--transition-base);
}

.tier-card:not(.featured) .tier-cta {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-title);
    box-shadow: none;
}

.tier-cta:hover {
    transform: translateY(-2px);
}

.tier-card:not(.featured) .tier-cta:hover {
    border-color: var(--ai-blue);
    color: var(--ai-blue-light);
    background: rgba(59, 130, 246, 0.06);
    box-shadow: none;
}

@media (max-width: 1000px) {
    .tier-grid { grid-template-columns: 1fr; max-width: 500px; }
    .tier-card.featured { transform: none; }
    .tier-card.featured:hover { transform: translateY(-10px); }
}

/* ========== 价格套餐（产品页用） ========== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.2rem 2rem;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-blue);
    transform: scaleX(0);
    transition: transform 0.5s;
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-hover), 0 0 60px rgba(59, 130, 246, 0.1);
}

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

.pricing-card.featured {
    border-color: rgba(59, 130, 246, 0.5);
    background: linear-gradient(165deg, rgba(59, 130, 246, 0.08) 0%, var(--bg-card) 100%);
    transform: scale(1.03);
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.15);
}

.pricing-card.featured::before { transform: scaleX(1); }

.pricing-card.featured:hover {
    transform: scale(1.03) translateY(-10px);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-blue);
    color: #FFFFFF;
    padding: 0.45rem 1.4rem;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    z-index: 1;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.35);
    white-space: nowrap;
}

.pricing-icon { font-size: 2.5rem; margin-bottom: 1rem; line-height: 1; }

.pricing-tier {
    font-size: 0.78rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    font-weight: 500;
    text-transform: uppercase;
}

.pricing-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 1.2rem;
}

.pricing-price {
    margin-bottom: 1.2rem;
    padding-bottom: 1.2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
}

.price-symbol {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--ai-blue-light);
}

.price-amount {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    line-height: 1;
}

.price-period {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.pricing-server {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
    padding: 0.85rem 1rem;
    background: rgba(59, 130, 246, 0.06);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--ai-blue);
}

.pricing-token {
    text-align: center;
    padding: 0.9rem;
    background: rgba(59, 130, 246, 0.08);
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    border: 1px solid rgba(59, 130, 246, 0.15);
}

.pricing-token-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
    letter-spacing: 0.5px;
}

.pricing-token-val {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--ai-blue-light);
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1.8rem 0;
    flex: 1;
}

.pricing-features li {
    padding: 0.55rem 0;
    padding-left: 1.6rem;
    position: relative;
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.pricing-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.75rem;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.12);
    border: 1.5px solid var(--ai-blue-light);
}

.pricing-features li::after {
    content: '✓';
    position: absolute;
    left: 3px;
    top: 0.5rem;
    color: var(--ai-blue-light);
    font-weight: 700;
    font-size: 0.65rem;
}

.pricing-features li strong {
    color: var(--text-title);
    font-weight: 600;
}

.pricing-btn {
    display: block;
    width: 100%;
    padding: 0.95rem 1.5rem;
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
    font-size: 0.88rem;
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 1px solid transparent;
}

.pricing-btn.primary {
    background: var(--gradient-blue);
    color: #FFFFFF;
    box-shadow: var(--shadow-blue);
}

.pricing-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(59, 130, 246, 0.45);
}

.pricing-btn.outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-title);
}

.pricing-btn.outline:hover {
    border-color: var(--ai-blue);
    color: var(--ai-blue-light);
    background: rgba(59, 130, 246, 0.06);
}

@media (max-width: 1000px) {
    .pricing-grid { grid-template-columns: 1fr; max-width: 500px; }
    .pricing-card.featured { transform: none; }
    .pricing-card.featured:hover { transform: translateY(-10px); }
    .price-amount { font-size: 2.4rem; }
}

/* ========== TOKEN 充值包 ========== */
.token-package-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

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

.token-package::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-blue);
    transform: scaleX(0);
    transition: transform 0.4s;
}

.token-package:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.15);
}

.token-package:hover::before { transform: scaleX(1); }

.token-amount {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-title);
    margin-bottom: 0.3rem;
}

.token-bonus {
    font-size: 0.78rem;
    color: var(--success-green);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.token-price {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--ai-blue-light);
    margin-bottom: 0.3rem;
}

.token-unit {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* ========== 模型价格表 ========== */
.model-table-wrap {
    overflow-x: auto;
    margin-top: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    background: var(--bg-card);
}

.model-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.model-table th, .model-table td {
    padding: 1.1rem 1.4rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.model-table th {
    background: rgba(59, 130, 246, 0.06);
    color: var(--ai-blue-light);
    font-weight: 600;
    font-size: 0.72rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    white-space: nowrap;
}

.model-table tr:last-child td { border-bottom: none; }
.model-table tbody tr:hover { background: rgba(59, 130, 246, 0.03); }

.model-name { font-weight: 600; color: var(--text-title); }

.model-price {
    color: var(--ai-blue-light);
    font-weight: 600;
    font-family: var(--font-display);
    white-space: nowrap;
}

/* ========== 扶持卡片 ========== */
.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    max-width: 1150px;
    margin: 0 auto;
}

.support-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.2rem 2rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.support-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: var(--gradient-blue);
    transition: height 0.4s;
}

.support-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.support-card:hover::before { height: 100%; }

.support-num {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.15));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.8rem;
}

.support-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.7rem;
}

.support-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 1.2rem;
}

.support-list li {
    padding: 0.4rem 0;
    padding-left: 1.3rem;
    position: relative;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.support-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--ai-blue-light);
}

/* ========== 时间线 ========== */
.timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    max-width: 1150px;
    margin: 0 auto;
    position: relative;
}

.timeline-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    position: relative;
    transition: all var(--transition-base);
}

.timeline-item:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.timeline-step {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ai-blue-light);
    letter-spacing: 1px;
    margin-bottom: 0.8rem;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.timeline-step::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ai-blue-light);
    box-shadow: 0 0 8px var(--ai-blue-light);
}

.timeline-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.6rem;
}

.timeline-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.75;
}

/* ========== 收益流程图 ========== */
.revenue-flow {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
    align-items: stretch;
}

.revenue-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    min-width: 160px;
    flex: 1;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.revenue-item:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.revenue-icon { font-size: 2rem; margin-bottom: 0.8rem; }
.revenue-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.4rem;
}
.revenue-arrow { font-size: 1.3rem; color: var(--ai-blue-light); margin: 0.4rem 0; }
.revenue-desc { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 0.6rem; }
.revenue-result {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--success-green);
    padding: 0.4rem 0.8rem;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 12px;
    margin-top: auto;
}

/* ========== 优势卡片 ========== */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1150px;
    margin: 0 auto;
}

.advantage-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.2rem 2rem;
    text-align: center;
    transition: all var(--transition-base);
}

.advantage-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.advantage-icon { font-size: 2.5rem; margin-bottom: 1.2rem; }
.advantage-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.7rem;
}
.advantage-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.75;
}

/* ========== 产品卡片（首页） ========== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.2rem 2rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: block;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--ai-blue-light), transparent);
    opacity: 0;
    transition: opacity 0.4s;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-hover), 0 0 50px rgba(59, 130, 246, 0.12);
}

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

.product-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.4rem;
    background: var(--gradient-blue-soft);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.product-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.8rem;
}

.product-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 1.4rem;
}

.product-features li {
    padding: 0.45rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.product-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7rem;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.1);
    border: 1.5px solid var(--ai-blue-light);
}

.product-features li::after {
    content: '✓';
    position: absolute;
    left: 2px;
    top: 0.45rem;
    color: var(--ai-blue-light);
    font-weight: 700;
    font-size: 0.6rem;
}

/* ========== FAQ ========== */
.faq-list {
    max-width: 820px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 0.8rem;
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.faq-item.open {
    border-color: var(--border-glow);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.08);
}

.faq-q {
    padding: 1.3rem 1.6rem;
    font-weight: 600;
    color: var(--text-title);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
    transition: color var(--transition-base);
}

.faq-q:hover {
    color: var(--ai-blue-light);
}

.faq-q::after {
    content: '+';
    font-size: 1.3rem;
    color: var(--ai-blue-light);
    transition: transform 0.3s, color 0.3s;
    font-weight: 300;
    flex-shrink: 0;
    margin-left: 1rem;
}

.faq-item.open .faq-q::after {
    transform: rotate(45deg);
}

.faq-a {
    padding: 0 1.6rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.35s ease;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.85;
}

.faq-item.open .faq-a {
    padding: 0 1.6rem 1.5rem;
    max-height: 400px;
}

/* ========== 引用卡片 ========== */
.quote-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.quote-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.2rem;
    position: relative;
    transition: all var(--transition-base);
}

.quote-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.quote-num {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.15));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.8rem;
    line-height: 1;
}

.quote-text {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.9;
}

/* ========== CTA Section ========== */
.cta-section {
    position: relative;
    padding: 5.5rem 0;
    text-align: center;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.06) 100%),
        radial-gradient(ellipse 60% 80% at 50% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
    border-top: 1px solid rgba(59, 130, 246, 0.15);
    border-bottom: 1px solid rgba(59, 130, 246, 0.15);
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3.2vw, 2.4rem);
    font-weight: 700;
    color: var(--text-title);
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.cta-desc, .cta-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2.2rem;
    font-size: 1rem;
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.85;
    position: relative;
    z-index: 1;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* ========== 页脚 ========== */
.footer, .site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 4.5rem 0 2rem;
    position: relative;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3.5rem;
}

.footer-section h4 {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--ai-blue-light);
    letter-spacing: 1.5px;
    margin-bottom: 1.4rem;
    text-transform: uppercase;
}

.footer-section ul li {
    margin-bottom: 0.7rem;
}

.footer-section ul li a {
    font-size: 0.88rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--ai-blue-light);
}

.footer-brand .brand { margin-bottom: 1.2rem; }
.footer-brand p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 340px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.footer-bottom-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.2rem;
    flex-wrap: wrap;
}

.footer-bottom-links a {
    color: var(--text-muted);
    font-size: 0.82rem;
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: var(--ai-blue-light);
}

@media (max-width: 900px) {
    .footer-content { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 600px) {
    .footer-content { grid-template-columns: 1fr; }
}

/* ========== 页面 Hero（产品内页） ========== */
.page-hero {
    position: relative;
    background: var(--bg-primary);
    padding: 9rem 0 5.5rem;
    text-align: center;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 50% 0%, rgba(59, 130, 246, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.page-hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(59, 130, 246, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.025) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center top, black 20%, transparent 60%);
    -webkit-mask-image: radial-gradient(ellipse at center top, black 20%, transparent 60%);
    pointer-events: none;
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.4rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    font-size: 0.75rem;
    letter-spacing: 2px;
    color: var(--ai-blue-light);
    margin-bottom: 1.6rem;
    text-transform: uppercase;
    font-weight: 600;
}

.page-hero-tag::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ai-blue-light);
    box-shadow: 0 0 8px var(--ai-blue-light);
}

.page-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4.5vw, 3.2rem);
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
    color: var(--text-title);
}

.page-hero p {
    font-size: clamp(1rem, 1.6vw, 1.15rem);
    color: var(--text-secondary);
    max-width: 720px;
    margin: 0 auto;
    line-height: 1.85;
}

.page-hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 3.5rem;
    flex-wrap: wrap;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border-subtle);
    position: relative;
}

.page-hero-stats::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: var(--gradient-blue);
}

.page-hero-stat { text-align: center; }

.page-hero-stat-num {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.4rem;
}

.page-hero-stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

@media (max-width: 768px) {
    .page-hero { padding: 7rem 0 4rem; }
    .page-hero-stats { gap: 2rem; }
    .page-hero-stat-num { font-size: 1.6rem; }
}

/* ========== 场景卡片 ========== */
.scenario-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.scenario-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-base);
}

.scenario-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.scenario-icon { font-size: 2.2rem; margin-bottom: 1.2rem; }
.scenario-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.7rem;
}
.scenario-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.75;
}

/* ========== 服务模式卡片 ========== */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.2rem 2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-hover);
}

.service-card:hover::after { transform: scaleX(1); }

.service-icon {
    width: 58px;
    height: 58px;
    border-radius: var(--radius-md);
    background: var(--gradient-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin-bottom: 1.4rem;
    box-shadow: var(--shadow-blue);
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.8rem;
}

.service-desc {
    color: var(--text-secondary);
    line-height: 1.75;
    font-size: 0.9rem;
}

/* ========== 仪表盘模拟 ========== */
.dashboard-mockup {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin: 3rem 0;
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
}

.dashboard-bar {
    background: var(--bg-elevated);
    padding: 0.9rem 1.2rem;
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}

.dashboard-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-muted);
    opacity: 0.5;
}

.dashboard-dot:nth-child(1) { background: #EF4444; }
.dashboard-dot:nth-child(2) { background: #F59E0B; }
.dashboard-dot:nth-child(3) { background: #10B981; }

.dashboard-title {
    margin-left: 1rem;
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 500;
}

.dashboard-content {
    padding: 2.2rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.dashboard-block {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.dashboard-block-title {
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-bottom: 0.6rem;
    text-transform: uppercase;
}

.dashboard-block-value {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-title);
    margin-bottom: 0.3rem;
}

.dashboard-block-trend {
    font-size: 0.78rem;
    color: var(--success-green);
    margin-bottom: 1rem;
    font-weight: 600;
}

.dashboard-bars {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 50px;
}

.dashboard-bar-item {
    flex: 1;
    background: var(--gradient-blue);
    border-radius: 3px 3px 0 0;
    opacity: 0.85;
    transition: height 0.3s;
}

.dashboard-bar-item:hover {
    opacity: 1;
}

@media (max-width: 768px) {
    .dashboard-content { grid-template-columns: 1fr; }
}

/* ========== 流程图 ========== */
.platform-flow {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 2.5rem 0;
}

.flow-step {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    min-width: 200px;
    flex: 1;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.flow-step:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.flow-step-num {
    font-size: 0.72rem;
    color: var(--ai-blue-light);
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 0.6rem;
    text-transform: uppercase;
}

.flow-step-icon {
    font-size: 2rem;
    margin-bottom: 0.8rem;
}

.flow-step-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.5rem;
}

.flow-step-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.flow-arrow {
    font-size: 1.5rem;
    color: var(--ai-blue-light);
    font-weight: 300;
    display: flex;
    align-items: center;
}

@media (max-width: 900px) {
    .platform-flow { flex-direction: column; }
    .flow-arrow { transform: rotate(90deg); }
}

/* ========== 联系页面 ========== */
.contact-wrap {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    max-width: 1150px;
    margin: 0 auto;
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2.8rem;
}

.form-group {
    margin-bottom: 1.6rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.6rem;
}

.form-group label span {
    color: var(--danger-red);
    margin-left: 2px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.95rem 1.1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-title);
    font-family: inherit;
    font-size: 0.92rem;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--ai-blue);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-base);
}

.info-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-3px);
    box-shadow: var(--shadow-card);
}

.info-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--gradient-blue-soft);
    border: 1px solid rgba(59, 130, 246, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.info-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.6rem;
}

.info-card p,
.info-card li {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

@media (max-width: 900px) {
    .contact-wrap { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
}

/* ========== 对比表 ========== */
.compare-table {
    max-width: 1050px;
    margin: 0 auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-card);
}

.compare-row {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 1.2fr;
    border-bottom: 1px solid var(--border-color);
}

.compare-row:last-child { border-bottom: none; }

.compare-row.head {
    background: rgba(59, 130, 246, 0.06);
    font-weight: 600;
    color: var(--ai-blue-light);
    font-size: 0.78rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.compare-cell {
    padding: 1.2rem 1.5rem;
    font-size: 0.88rem;
    color: var(--text-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.compare-cell:last-child { border-right: none; }

.compare-cell strong { color: var(--text-title); font-weight: 600; }

.compare-row.head .compare-cell {
    color: var(--ai-blue-light);
    justify-content: center;
    text-align: center;
}

.compare-row.head .compare-cell:first-child {
    justify-content: flex-start;
    text-align: left;
}

.check-icon {
    color: var(--success-green);
    font-weight: 700;
    margin-right: 0.5rem;
}

.cross-icon {
    color: var(--text-muted);
    margin-right: 0.5rem;
}

@media (max-width: 768px) {
    .compare-row { grid-template-columns: 1fr; }
    .compare-cell { border-right: none; border-bottom: 1px solid var(--border-color); }
    .compare-row:last-child .compare-cell:last-child { border-bottom: none; }
}

/* ========== 合作伙伴 LOGO 墙 ========== */
.partners-wall {
    margin-top: 3rem;
    padding: 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
}

.partners-label {
    text-align: center;
    font-size: 0.78rem;
    letter-spacing: 2px;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1.5rem;
    align-items: center;
}

.partner-logo {
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    opacity: 0.6;
    transition: all var(--transition-base);
    filter: grayscale(100%);
}

.partner-logo:hover {
    opacity: 1;
    filter: grayscale(0%);
    color: var(--ai-blue-light);
}

@media (max-width: 900px) {
    .partners-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 500px) {
    .partners-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ========== 客户见证卡片 ========== */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2.2rem;
    transition: all var(--transition-base);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 1rem;
    right: 2rem;
    font-size: 5rem;
    font-family: Georgia, serif;
    color: rgba(59, 130, 246, 0.15);
    line-height: 1;
    font-weight: 700;
}

.testimonial-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.testimonial-text {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 1.8rem;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: #fff;
    font-size: 1.1rem;
}

.testimonial-info {
    flex: 1;
}

.testimonial-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.2rem;
}

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

.testimonial-tag {
    padding: 0.3rem 0.7rem;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-green);
    border-radius: 12px;
    font-size: 0.72rem;
    font-weight: 600;
}

/* ========== 收益计算器展示 ========== */
.calculator-card {
    max-width: 700px;
    margin: 3rem auto 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.calculator-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-blue);
}

.calc-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.calc-row:last-child { border-bottom: none; }

.calc-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.calc-value {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-title);
}

.calc-value.highlight {
    color: var(--success-green);
    font-size: 1.6rem;
}

.calc-note {
    margin-top: 1.5rem;
    padding: 1rem 1.2rem;
    background: rgba(249, 115, 22, 0.08);
    border-left: 3px solid var(--cta-orange);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========== 回到顶部按钮 ========== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-blue);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-blue);
    z-index: 999;
    border: none;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(59, 130, 246, 0.45);
}

/* ========== 面包屑导航 ========== */
.breadcrumb {
    padding: 7.5rem 0 1rem;
    background: var(--bg-primary);
    position: relative;
    z-index: 1;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.82rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.breadcrumb-list a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.breadcrumb-list a:hover {
    color: var(--ai-blue-light);
}

.breadcrumb-sep {
    color: var(--text-muted);
    font-size: 0.7rem;
}

/* ========== SVG 图标系统 ========== */
.icon-svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.icon-svg-lg {
    width: 32px;
    height: 32px;
}

.icon-svg-sm {
    width: 18px;
    height: 18px;
}

/* 图标容器 */
.icon-box {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--gradient-blue-soft);
    border: 1px solid rgba(59, 130, 246, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ai-blue-light);
    margin-bottom: 1.4rem;
    transition: all var(--transition-base);
}

.feature-card:hover .icon-box,
.module-card:hover .icon-box,
.service-card:hover .icon-box {
    transform: scale(1.1);
    background: var(--gradient-blue);
    color: #fff;
}

.icon-box-orange {
    background: rgba(249, 115, 22, 0.1);
    border-color: rgba(249, 115, 22, 0.2);
    color: var(--cta-orange-light);
}

.feature-card:hover .icon-box-orange {
    background: var(--gradient-orange);
    color: #fff;
}

.icon-box-green {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
    color: var(--success-green);
}

.feature-card:hover .icon-box-green {
    background: linear-gradient(135deg, var(--success-green) 0%, #059669 100%);
    color: #fff;
}

.icon-box-purple {
    background: rgba(139, 92, 246, 0.1);
    border-color: rgba(139, 92, 246, 0.2);
    color: #A78BFA;
}

.feature-card:hover .icon-box-purple {
    background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 100%);
    color: #fff;
}

/* ========== 数字计数器样式 ========== */
.number-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.9rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ai-blue-light);
    letter-spacing: 0.5px;
}

.number-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--success-green);
    box-shadow: 0 0 8px var(--success-green);
    animation: pulse 2s infinite;
}

/* ========== 信任徽章区域 ========== */
.trust-badges {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 3rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border-subtle);
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.trust-badge-icon {
    width: 20px;
    height: 20px;
    color: var(--success-green);
}

/* ========== 案例数据卡片 ========== */
.case-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1.2rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--border-color);
}

.case-stat-item {
    text-align: center;
}

.case-stat-num {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.2rem;
}

.case-stat-label {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* ========== 风险保障卡片 ========== */
.guarantee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.guarantee-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.8rem 1.5rem;
    text-align: center;
    transition: all var(--transition-base);
}

.guarantee-card:hover {
    border-color: rgba(16, 185, 129, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(16, 185, 129, 0.1);
}

.guarantee-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--success-green);
}

.guarantee-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.4rem;
}

.guarantee-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
}


/* ========== 权威背书网格 ========== */
.authority-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.authority-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem 1.6rem;
    text-align: left;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.authority-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--ai-blue), var(--cta-orange));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.authority-card:hover {
    border-color: rgba(59, 130, 246, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(59, 130, 246, 0.1);
}

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

.authority-icon {
    width: 52px;
    height: 52px;
    margin-bottom: 1.2rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(59, 130, 246, 0.05));
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ai-blue);
}

.authority-icon .icon-svg {
    width: 26px;
    height: 26px;
}

.authority-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-title);
    margin-bottom: 0.6rem;
    letter-spacing: 0.3px;
}

.authority-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .authority-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .authority-grid {
        grid-template-columns: 1fr;
    }
}

/* ========== 真实客户 LOGO 墙 ========== */
.real-partners {
    margin-top: 3rem;
    padding: 3rem 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.real-partners::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--ai-blue-light), transparent);
    opacity: 0.5;
}

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

.real-partners-header h3 {
    font-size: 1.15rem;
    color: var(--text-title);
    margin-bottom: 0.4rem;
}

.real-partners-header p {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.real-partners-logos {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1.5rem;
    align-items: center;
}

.real-partner-item {
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all var(--transition-base);
    letter-spacing: 0.5px;
}

.real-partner-item:hover {
    border-color: var(--border-glow);
    color: var(--ai-blue-light);
    background: rgba(59, 130, 246, 0.06);
    transform: translateY(-2px);
}

.real-partner-item.industry {
    font-size: 0.75rem;
    color: var(--text-muted);
}

@media (max-width: 900px) {
    .real-partners-logos { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 500px) {
    .real-partners-logos { grid-template-columns: repeat(2, 1fr); }
}

/* ========== 数据增长趋势图（纯CSS模拟） ========== */
.trend-chart {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-top: 1.5rem;
    border: 1px solid var(--border-color);
}

.trend-chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.trend-chart-title {
    font-size: 0.78rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.trend-chart-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-title);
    font-family: var(--font-display);
}

.trend-chart-trend {
    font-size: 0.75rem;
    color: var(--success-green);
    font-weight: 600;
}

.trend-bars {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 80px;
}

.trend-bar {
    flex: 1;
    background: linear-gradient(180deg, var(--ai-blue-light) 0%, var(--ai-blue-dark) 100%);
    border-radius: 3px 3px 0 0;
    opacity: 0.7;
    transition: all 0.3s;
    position: relative;
}

.trend-bar:hover {
    opacity: 1;
}

.trend-bar:hover::after {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background: var(--ai-blue-light);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--ai-blue-light);
}

/* ========== 产品界面模拟（更精致版） ========== */
.product-mockup {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin: 3rem 0;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
    position: relative;
}

.product-mockup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.5), transparent);
    z-index: 1;
}

.mockup-header {
    background: var(--bg-elevated);
    padding: 0.8rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    border-bottom: 1px solid var(--border-color);
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.mockup-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.mockup-dot.red { background: #FF5F57; }
.mockup-dot.yellow { background: #FEBC2E; }
.mockup-dot.green { background: #28C840; }

.mockup-title {
    margin-left: 1rem;
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
}

.mockup-body {
    padding: 2rem;
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 2rem;
    min-height: 350px;
}

.mockup-sidebar {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 1.2rem;
    border: 1px solid var(--border-color);
}

.mockup-sidebar-item {
    padding: 0.65rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.mockup-sidebar-item:hover {
    background: rgba(59, 130, 246, 0.06);
    color: var(--text-title);
}

.mockup-sidebar-item.active {
    background: rgba(59, 130, 246, 0.12);
    color: var(--ai-blue-light);
    font-weight: 500;
}

.mockup-sidebar-item-icon {
    width: 16px;
    height: 16px;
    opacity: 0.7;
}

.mockup-main {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

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

.mockup-stat-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 1.2rem;
    border: 1px solid var(--border-color);
}

.mockup-stat-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
}

.mockup-stat-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-title);
    margin-bottom: 0.2rem;
}

.mockup-stat-trend {
    font-size: 0.72rem;
    color: var(--success-green);
    font-weight: 600;
}

.mockup-chart-area {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    flex: 1;
}

.mockup-chart-title {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 1rem;
}

.mockup-chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 140px;
}

.mockup-chart-bar {
    flex: 1;
    background: linear-gradient(180deg, var(--ai-blue-light) 0%, rgba(59, 130, 246, 0.3) 100%);
    border-radius: 4px 4px 0 0;
    position: relative;
    transition: all 0.3s;
}

.mockup-chart-bar:hover {
    background: linear-gradient(180deg, var(--cta-orange-light) 0%, rgba(249, 115, 22, 0.3) 100%);
}

.mockup-chart-bar:hover::after {
    content: attr(data-label);
    position: absolute;
    top: -24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-elevated);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.7rem;
    color: var(--text-title);
    white-space: nowrap;
    border: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    .mockup-body { grid-template-columns: 1fr; }
    .mockup-sidebar { display: none; }
    .mockup-stats { grid-template-columns: 1fr; }
}

/* ========== 对比表格增强 ========== */
.comparison-table {
    max-width: 1100px;
    margin: 3rem auto 0;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
}

.comparison-header {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    background: rgba(59, 130, 246, 0.08);
    border-bottom: 1px solid var(--border-color);
}

.comparison-header-cell {
    padding: 1.3rem 1.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-title);
    border-right: 1px solid var(--border-color);
}

.comparison-header-cell:last-child { border-right: none; }

.comparison-header-cell.highlight {
    background: rgba(59, 130, 246, 0.12);
    color: var(--ai-blue-light);
}

.comparison-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s;
}

.comparison-row:last-child { border-bottom: none; }
.comparison-row:hover { background: rgba(59, 130, 246, 0.03); }

.comparison-cell {
    padding: 1rem 1.5rem;
    font-size: 0.88rem;
    color: var(--text-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.comparison-cell:last-child { border-right: none; }

.comparison-cell.feature-name {
    color: var(--text-title);
    font-weight: 500;
}

.comparison-cell .check { color: var(--success-green); font-weight: 700; }
.comparison-cell .cross { color: var(--text-muted); }
.comparison-cell .partial { color: var(--warning-amber); }

@media (max-width: 768px) {
    .comparison-header, .comparison-row {
        grid-template-columns: 1fr;
    }
    .comparison-cell { border-right: none; border-bottom: 1px solid var(--border-color); }
    .comparison-row:last-child .comparison-cell:last-child { border-bottom: none; }
}

/* ========== 服务流程时间线 ========== */
.process-timeline {
    max-width: 900px;
    margin: 3rem auto 0;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
    transform: translateX(-50%);
}

.process-item {
    display: grid;
    grid-template-columns: 1fr 48px 1fr;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    position: relative;
}

.process-item:last-child { margin-bottom: 0; }

.process-dot {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: var(--shadow-blue);
    z-index: 1;
    position: relative;
}

.process-content-left,
.process-content-right {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition-base);
}

.process-content-left:hover,
.process-content-right:hover {
    border-color: var(--border-glow);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.process-content-left { text-align: right; }
.process-content-right { text-align: left; }

.process-step-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.4rem;
}

.process-step-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .process-timeline::before { left: 24px; }
    .process-item {
        grid-template-columns: 48px 1fr;
    }
    .process-content-left {
        grid-column: 2;
        text-align: left;
    }
}

/* ========== FAQ 增强 ========== */
.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 0.8rem;
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.faq-item.open {
    border-color: var(--border-glow);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.08);
}

.faq-q {
    padding: 1.3rem 1.6rem;
    font-weight: 600;
    color: var(--text-title);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
    transition: color var(--transition-base);
}

.faq-q:hover { color: var(--ai-blue-light); }

.faq-q-icon {
    width: 24px;
    height: 24px;
    color: var(--ai-blue-light);
    flex-shrink: 0;
    margin-left: 1rem;
    transition: transform 0.3s;
}

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

/* ========== 页面滚动动画 ========== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== 卡片悬浮光效 ========== */
.glow-card {
    position: relative;
    overflow: hidden;
}

.glow-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}

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

/* ========== 首页 Hero 粒子效果 ========== */
.particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--ai-blue-light);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0.3; }
    50% { transform: translateY(-20px) translateX(10px); opacity: 0.6; }
}

/* ========== 价值主张列表 ========== */
.value-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.value-list li {
    padding: 0.7rem 0;
    padding-left: 2rem;
    position: relative;
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.value-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.9rem;
    width: 20px;
    height: 20px;
    background: rgba(16, 185, 129, 0.15);
    border: 1.5px solid var(--success-green);
    border-radius: 50%;
}

.value-list li::after {
    content: '✓';
    position: absolute;
    left: 5px;
    top: 0.65rem;
    color: var(--success-green);
    font-weight: 700;
    font-size: 0.7rem;
}

/* ========== 标签系统 ========== */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.tag-blue {
    background: rgba(59, 130, 246, 0.1);
    color: var(--ai-blue-light);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.tag-orange {
    background: rgba(249, 115, 22, 0.1);
    color: var(--cta-orange-light);
    border: 1px solid rgba(249, 115, 22, 0.2);
}

.tag-green {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-green);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

/* ========== 客户成功案例卡片 ========== */
.case-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.case-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-hover);
}

.case-card-header {
    padding: 1.8rem 1.8rem 0;
}

.case-company {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.2rem;
}

.case-logo {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--gradient-blue-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--ai-blue-light);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.case-company-info h4 {
    font-size: 0.95rem;
    color: var(--text-title);
    margin-bottom: 0.15rem;
}

.case-company-info p {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.case-quote {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.case-quote::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -0.3rem;
    font-size: 2.5rem;
    font-family: Georgia, serif;
    color: rgba(59, 130, 246, 0.2);
    line-height: 1;
    font-weight: 700;
}

.case-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border-color);
    border-top: 1px solid var(--border-color);
}

.case-metric {
    background: var(--bg-secondary);
    padding: 1.2rem 1rem;
    text-align: center;
}

.case-metric-num {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
}

.case-metric-label {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* ========== 部门应用场景 ========== */
.dept-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.dept-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.dept-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-blue);
    transform: scaleX(0);
    transition: transform 0.4s;
}

.dept-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-hover);
}

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

.dept-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.2rem;
}

.dept-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.dept-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-title);
}

.dept-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 1.2rem;
}

.dept-scenarios {
    list-style: none;
    padding: 0;
    margin: 0;
}

.dept-scenarios li {
    padding: 0.4rem 0;
    padding-left: 1.4rem;
    position: relative;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.dept-scenarios li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--ai-blue-light);
    font-weight: 600;
    font-size: 0.75rem;
}

.breadcrumb-current {
    color: var(--text-title);
    font-weight: 500;
}

@media (max-width: 768px) {
    .breadcrumb { padding-top: 6rem; }
}

/* ========== 徽章系统 ========== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.7rem;
    border-radius: 12px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.badge-blue {
    background: rgba(59, 130, 246, 0.12);
    color: var(--ai-blue-light);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.badge-orange {
    background: rgba(249, 115, 22, 0.12);
    color: var(--cta-orange-light);
    border: 1px solid rgba(249, 115, 22, 0.2);
}

.badge-green {
    background: rgba(16, 185, 129, 0.12);
    color: var(--success-green);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

/* ========== 入场动画（渐进增强） ========== */
@media (prefers-reduced-motion: no-preference) {
    .fade-up {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    }
}

/* ========== 兼容旧类名 ========== */
.footer-col h4 { color: var(--ai-blue-light); }
.footer-col ul li a:hover { color: var(--ai-blue-light); }

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    text-decoration: none;
    color: var(--text-title);
    font-weight: 600;
}

.nav-brand .brand-name {
    font-size: 1.05rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}


/* ============================================
   V4.0 新增样式 · 深度质感升级
   ============================================ */

/* ========== 图标盒子通用样式 ========== */
.icon-box {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(59, 130, 246, 0.05) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ai-blue-light);
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.icon-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.05) 100%);
    pointer-events: none;
}

.icon-box .icon-svg {
    width: 28px;
    height: 28px;
    position: relative;
    z-index: 1;
}

.icon-box.mini {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    margin-bottom: 0;
}

.icon-box.mini .icon-svg {
    width: 18px;
    height: 18px;
}

.icon-box-orange {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.15) 0%, rgba(249, 115, 22, 0.05) 100%);
    color: var(--cta-orange-light);
}

.icon-box-green {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(16, 185, 129, 0.05) 100%);
    color: #34D399;
}

.icon-box-purple {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(139, 92, 246, 0.05) 100%);
    color: #A78BFA;
}

.icon-svg.mini {
    width: 16px;
    height: 16px;
}

/* ========== 痛点卡片 ========== */
.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.pain-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.pain-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--ai-blue), var(--ai-purple));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.pain-card:hover {
    transform: translateY(-6px);
    border-color: var(--ai-blue);
    box-shadow: 0 20px 50px rgba(59, 130, 246, 0.2);
}

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

.pain-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: rgba(239, 68, 68, 0.1);
    color: #F87171;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.pain-icon .icon-svg {
    width: 26px;
    height: 26px;
}

.pain-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-title);
}

.pain-card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.pain-stat {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-subtle);
}

.pain-stat-num {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #F87171, #F97316);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pain-stat-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    flex: 1;
}

/* ========== 数据仪表盘模拟 ========== */
.dashboard-mockup {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    max-width: 1100px;
    margin: 0 auto;
}

.dashboard-bar {
    background: #0F141F;
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.dashboard-dots {
    display: flex;
    gap: 6px;
}

.dashboard-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot-red { background: #FF5F57; }
.dot-yellow { background: #FFBD2E; }
.dot-green { background: #28C840; }

.dashboard-title {
    flex: 1;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.dashboard-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.dashboard-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--gradient-blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

.dashboard-sidebar {
    display: none;
    width: 180px;
    background: #0F141F;
    border-right: 1px solid var(--border-color);
    padding: 1rem 0.75rem;
    flex-direction: column;
    gap: 4px;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 0.85rem;
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.sidebar-item:hover {
    background: rgba(59, 130, 246, 0.08);
    color: var(--text-title);
}

.sidebar-item.active {
    background: rgba(59, 130, 246, 0.15);
    color: var(--ai-blue-light);
}

.dashboard-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    padding: 1.5rem;
}

.dashboard-content-with-sidebar {
    grid-template-columns: 2fr 1fr 1fr;
}

.dashboard-block {
    background: #0F141F;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
}

.dashboard-block.wide {
    grid-column: span 2;
}

.dashboard-block-title {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.dashboard-block-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-title);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.dashboard-block-trend {
    font-size: 0.78rem;
    margin-bottom: 1rem;
}

.dashboard-block-trend.up {
    color: #34D399;
}

.dashboard-bars {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 80px;
}

.dashboard-bar-item {
    flex: 1;
    background: linear-gradient(180deg, var(--ai-blue-light) 0%, var(--ai-blue) 100%);
    border-radius: 4px 4px 0 0;
    min-height: 8px;
    transition: all 0.3s;
    position: relative;
}

.dashboard-bar-item:hover {
    opacity: 0.8;
}

.dashboard-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    font-size: 0.65rem;
    color: var(--text-muted);
}

.dashboard-platform-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.platform-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    color: var(--text-secondary);
    padding: 0.3rem 0;
}

.platform-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ai-blue-light);
}

/* 横向进度条 */
.horizontal-bars {
    flex-direction: column;
    height: auto;
    gap: 0.75rem;
}

.h-bar-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.78rem;
}

.h-bar-item > span:first-child {
    width: 70px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.h-bar {
    flex: 1;
    height: 8px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.h-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--ai-blue) 0%, var(--ai-purple) 100%);
    border-radius: 4px;
}

.h-bar-item > span:last-child {
    width: 40px;
    text-align: right;
    color: var(--text-muted);
    font-size: 0.72rem;
}

.mini-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.mini-card {
    background: rgba(59, 130, 246, 0.05);
    border-radius: 8px;
    padding: 0.6rem;
    text-align: center;
}

.mini-card-label {
    display: block;
    font-size: 0.68rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.mini-card-value {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-title);
}

/* ========== 差异化优势 ========== */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.advantage-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.advantage-card:hover {
    transform: translateY(-6px);
    border-color: var(--ai-blue);
    box-shadow: var(--shadow-hover);
}

.advantage-num {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-family: var(--font-display);
}

.advantage-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-title);
    position: relative;
    z-index: 1;
}

.advantage-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.advantage-tag {
    display: inline-block;
    padding: 0.3rem 0.75rem;
    background: rgba(59, 130, 246, 0.1);
    color: var(--ai-blue-light);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* ========== 客户案例 ========== */
.case-study-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.case-study-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.case-study-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--ai-blue);
}

.case-study-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
}

.case-study-logo {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--ai-blue) 0%, var(--ai-purple) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.case-study-logo.alt {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
}

.case-study-logo.alt2 {
    background: linear-gradient(135deg, #F97316 0%, #EA580C 100%);
}

.case-study-info {
    flex: 1;
    min-width: 0;
}

.case-study-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.2rem;
}

.case-study-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.case-study-tag {
    padding: 0.3rem 0.7rem;
    background: rgba(249, 115, 22, 0.12);
    color: var(--cta-orange-light);
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 500;
    flex-shrink: 0;
}

.case-study-body {
    padding: 1.5rem;
}

.case-study-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.case-study-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-subtle);
}

.case-metric {
    text-align: center;
}

.case-metric-value {
    font-size: 1.2rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
}

.case-metric-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* ========== 对比表 ========== */
.compare-table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
}

.compare-table th,
.compare-table td {
    padding: 1.25rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-subtle);
}

.compare-table thead th {
    background: var(--bg-secondary);
    font-weight: 600;
}

.compare-col-label {
    width: 25%;
    color: var(--text-secondary);
}

.compare-product {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-title);
}

.compare-product.featured {
    color: var(--cta-orange-light);
}

.compare-table tbody tr:hover {
    background: rgba(59, 130, 246, 0.03);
}

.compare-table td.highlight {
    color: var(--cta-orange-light);
    font-weight: 500;
}

.compare-combo {
    text-align: center !important;
    background: rgba(249, 115, 22, 0.06);
    color: var(--text-secondary) !important;
    font-size: 0.92rem;
}

/* ========== 部门级应用场景 ========== */
.dept-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.dept-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition: all var(--transition-base);
    position: relative;
}

.dept-card:hover {
    transform: translateY(-6px);
    border-color: var(--ai-blue);
    box-shadow: var(--shadow-hover);
}

.dept-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: white;
}

.dept-icon.marketing {
    background: linear-gradient(135deg, #F97316 0%, #EA580C 100%);
}

.dept-icon.sales {
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
}

.dept-icon.hr {
    background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 100%);
}

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

.dept-icon.tech {
    background: linear-gradient(135deg, #06B6D4 0%, #0891B2 100%);
}

.dept-icon.finance {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
}

.dept-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-title);
}

.dept-card ul {
    list-style: none;
    padding: 0;
    margin-bottom: 1.25rem;
}

.dept-card ul li {
    padding: 0.4rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
}

.dept-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-green);
    font-weight: 600;
}

.dept-stat {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-subtle);
}

.dept-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dept-stat-label {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ========== 联系页面 ========== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all var(--transition-base);
}

.contact-card:hover {
    transform: translateY(-6px);
    border-color: var(--ai-blue);
    box-shadow: var(--shadow-blue);
}

.contact-icon {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(59, 130, 246, 0.05) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ai-blue-light);
    margin: 0 auto 1.5rem;
}

.contact-icon.icon-box-orange {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.15) 0%, rgba(249, 115, 22, 0.05) 100%);
    color: var(--cta-orange-light);
}

.contact-icon.icon-box-green {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(16, 185, 129, 0.05) 100%);
    color: #34D399;
}

.contact-icon.icon-box-purple {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(139, 92, 246, 0.05) 100%);
    color: #A78BFA;
}

.contact-icon .icon-svg {
    width: 32px;
    height: 32px;
}

.contact-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 1rem;
}

.contact-info {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.92rem;
}

.contact-info strong {
    color: var(--text-title);
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 600;
}

/* 表单 */
.form-wrapper {
    max-width: 720px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-card);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-title);
}

.required {
    color: #EF4444;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.85rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-title);
    font-size: 0.92rem;
    font-family: inherit;
    transition: all var(--transition-base);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--ai-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
    font-size: 0.88rem;
    color: var(--text-secondary);
    user-select: none;
}

.checkbox-item input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

.checkbox-item input:checked + .checkbox-custom {
    background: var(--ai-blue);
    border-color: var(--ai-blue);
}

.checkbox-item input:checked + .checkbox-custom::after {
    content: '✓';
    color: white;
    font-size: 12px;
    font-weight: 600;
}

.form-agree {
    flex-direction: row;
    align-items: center;
}

.form-submit {
    text-align: center;
    padding-top: 1rem;
}

.form-tip {
    margin-top: 0.85rem;
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ========== FAQ ========== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--ai-blue);
}

.faq-question {
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-title);
    font-size: 0.95rem;
    transition: all 0.2s;
}

.faq-question:hover {
    background: rgba(59, 130, 246, 0.03);
}

.faq-icon {
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    transition: transform 0.3s;
    flex-shrink: 0;
}

.faq-answer {
    display: none;
    padding: 0 1.5rem 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.9rem;
    border-top: 1px solid var(--border-subtle);
    padding-top: 1rem;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-answer p + p {
    margin-top: 0.75rem;
}

.faq-answer ul {
    margin-top: 0.5rem;
    padding-left: 1.25rem;
}

.faq-answer ul li {
    list-style: disc;
    margin: 0.3rem 0;
}

/* ========== 合作伙伴 LOGO 墙升级版 ========== */
.partner-logo-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    min-height: 80px;
}

.partner-logo-item:hover {
    border-color: var(--ai-blue);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.15);
}

.partner-logo-inner {
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-logo-text {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    transition: color var(--transition-base);
}

.partner-logo-item:hover .partner-logo-text {
    color: var(--text-title);
}

.real-partners-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .pain-grid,
    .advantage-grid,
    .case-study-grid,
    .dept-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-wrapper {
        padding: 1.5rem;
    }
    
    .dashboard-content {
        grid-template-columns: 1fr;
    }
    
    .dashboard-block.wide {
        grid-column: span 1;
    }
    
    .case-study-metrics {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr 1fr;
    }
    
    .compare-table th,
    .compare-table td {
        padding: 0.85rem 1rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .dashboard-platform-list {
        grid-template-columns: 1fr;
    }
    
    .partner-logo-text {
        font-size: 0.82rem;
    }
}

/* ============================================
   V6.0 内页 HERO 动态效果 — 7 种完全不同风格
   ============================================ */

/* --- 增强型 HERO 容器 --- */
.page-hero-enhanced {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    padding: 9rem 0 6rem;
    overflow: hidden;
    background: var(--bg-primary);
}
.page-hero-enhanced::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(59, 130, 246, 0.2) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 90% 50%, rgba(139, 92, 246, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 40% 30% at 10% 70%, rgba(59, 130, 246, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

/* --- 极光背景 --- */
.hero-aurora {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 80% 20%, rgba(59, 130, 246, 0.16) 0%, transparent 42%),
        radial-gradient(ellipse at 20% 70%, rgba(59, 130, 246, 0.1) 0%, transparent 38%),
        radial-gradient(ellipse at 60% 80%, rgba(59, 130, 246, 0.12) 0%, transparent 40%);
    animation: aurora-shift 10s ease-in-out infinite;
    pointer-events: none;
}
@keyframes aurora-shift {
    0%, 100% { opacity: 0.75; transform: translateX(0) scale(1); }
    33% { opacity: 1; transform: translateX(-40px) scale(1.04); }
    66% { opacity: 0.9; transform: translateX(20px) scale(0.98); }
}

/* --- 光球/Orb --- */
.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.22;
    animation: orb-breathe 8s ease-in-out infinite;
    pointer-events: none;
}
.hero-orb.cyan { background: rgba(6, 182, 212, 0.3); }
.hero-orb.blue { background: rgba(59, 130, 246, 0.3); }
.hero-orb.purple { background: rgba(139, 92, 246, 0.3); }
.hero-orb.orange { background: rgba(249, 115, 22, 0.3); }
@keyframes orb-breathe {
    0%, 100% { transform: scale(1); opacity: 0.22; }
    50% { transform: scale(1.18); opacity: 0.38; }
}

/* --- HERO 标签云 --- */
.hero-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
}
.hero-tags span {
    padding: 0.4rem 1rem;
    background: rgba(59, 130, 246, 0.06);
    border: 1px solid rgba(59, 130, 246, 0.12);
    border-radius: 20px;
    font-size: 0.78rem;
    color: var(--text-secondary);
    transition: all var(--transition-base);
}
.hero-tags span:hover {
    border-color: var(--ai-blue);
    color: var(--ai-blue-light);
    background: rgba(59, 130, 246, 0.1);
}

/* ============================================================
   1. GEO大师 — 底部数据浪潮 (bottom → up)
   ============================================================ */
.hero-data-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 45%;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding: 0;
    pointer-events: none;
    z-index: 1;
    mask-image: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 100%);
    -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 100%);
}
.data-wave-bar {
    flex: 1;
    margin: 0 1px;
    background: linear-gradient(to top, rgba(59, 130, 246, 0.4), rgba(59, 130, 246, 0.05));
    border-radius: 2px 2px 0 0;
    animation: wave-bar-breathe 3s ease-in-out infinite;
    min-width: 4px;
}
@keyframes wave-bar-breathe {
    0%, 100% { transform: scaleY(0.5); opacity: 0.4; }
    50% { transform: scaleY(1.2); opacity: 0.9; }
}

/* ============================================================
   2. GEO CPI — 左侧计数器 + 脉冲波 (left side)
   ============================================================ */
.hero-counter-area {
    position: absolute;
    left: 6%;
    top: 50%;
    transform: translateY(-50%);
    width: 220px;
    height: 220px;
    pointer-events: none;
    z-index: 2;
}
.hero-counter-ring {
    position: absolute;
    inset: -20px;
    border: 1px solid rgba(249, 115, 22, 0.2);
    border-radius: 50%;
    animation: counter-ring-expand 2.4s ease-out infinite;
}
@keyframes counter-ring-expand {
    0% { transform: scale(0.6); opacity: 0.7; }
    100% { transform: scale(1.3); opacity: 0; }
}
.hero-counter-value {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.counter-digit {
    font-size: 3.5rem;
    font-weight: 800;
    font-family: var(--font-mono);
    background: linear-gradient(135deg, var(--cta-orange-light), var(--cta-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}
.counter-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
    letter-spacing: 1px;
}
.hero-pulse-dot {
    position: absolute;
    width: 6px; height: 6px;
    background: var(--cta-orange);
    border-radius: 50%;
    animation: pulse-dot-blink 3s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
}
@keyframes pulse-dot-blink {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(2.5); box-shadow: 0 0 16px rgba(249, 115, 22, 0.6); }
}

/* ============================================================
   3. AI超脑 — 中心模型轨道 (center orbit)
   ============================================================ */
.hero-model-orbit {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 320px;
    height: 320px;
    pointer-events: none;
    z-index: 2;
}
.orbit-track {
    position: absolute;
    inset: 0;
    animation: orbit-spin 20s linear infinite;
}
@keyframes orbit-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
.orbit-model {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: rotate(var(--angle)) translateY(-140px) rotate(calc(-1 * var(--angle)));
    animation: model-appear 3s ease-in-out var(--delay) infinite;
}
.orbit-model span {
    display: inline-block;
    padding: 0.35rem 0.8rem;
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 14px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--ai-blue-light);
    white-space: nowrap;
    backdrop-filter: blur(4px);
}
@keyframes model-appear {
    0%, 100% { opacity: 0.5; transform: rotate(var(--angle)) translateY(-140px) rotate(calc(-1 * var(--angle))) scale(0.9); }
    50% { opacity: 1; transform: rotate(var(--angle)) translateY(-140px) rotate(calc(-1 * var(--angle))) scale(1.1); }
}
.orbit-core {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 60px; height: 60px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.3) 0%, transparent 70%);
    animation: core-glow 2s ease-in-out infinite;
}
.orbit-core-dot {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 14px; height: 14px;
    background: var(--ai-blue-light);
    border-radius: 50%;
    box-shadow: 0 0 24px rgba(59, 130, 246, 0.6);
}
@keyframes core-glow {
    0%, 100% { transform: translate(-50%, -50%) scale(0.9); }
    50% { transform: translate(-50%, -50%) scale(1.3); }
}

/* ============================================================
   4. AI WebChat — 打字机文字流 (scattered, multi-direction)
   ============================================================ */
.hero-typewriter-stream {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}
.typewriter-fragment {
    position: absolute;
    padding: 0.4rem 0.9rem;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 16px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    animation: fragment-drift 6s ease-in-out infinite;
    white-space: nowrap;
    backdrop-filter: blur(4px);
}
@keyframes fragment-drift {
    0%, 100% { opacity: 0.3; transform: translate(0, 0); }
    25% { opacity: 0.8; transform: translate(15px, -10px); }
    50% { opacity: 0.5; transform: translate(-10px, -20px); }
    75% { opacity: 0.9; transform: translate(8px, -5px); }
}
.hero-typewriter-cursor {
    position: absolute;
    width: 2px;
    height: 20px;
    background: var(--ai-blue-light);
    animation: cursor-blink 1s step-end infinite;
    pointer-events: none;
    z-index: 2;
}
@keyframes cursor-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ============================================================
   5. AI Chatbot — 全屏网络拓扑图 (full-screen SVG mesh)
   ============================================================ */
.hero-network-mesh {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: 0.5;
}
.network-svg {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
}
.mesh-line {
    stroke: rgba(59, 130, 246, 0.2);
    stroke-width: 1.5;
    stroke-dasharray: 4 8;
    animation: mesh-line-flow 2s linear infinite;
}
@keyframes mesh-line-flow {
    0% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -24; }
}
.mesh-node {
    fill: rgba(11, 15, 23, 0.8);
    stroke: rgba(59, 130, 246, 0.4);
    stroke-width: 2;
    animation: mesh-node-pulse 3s ease-in-out infinite;
}
@keyframes mesh-node-pulse {
    0%, 100% { r: 18; stroke-opacity: 0.4; }
    50% { r: 22; stroke-opacity: 0.8; }
}
.mesh-icon {
    fill: var(--ai-blue-light);
    font-size: 11px;
    font-weight: 600;
    font-family: var(--font-body);
}

/* ============================================================
   6. AI算力 — 顶部数字雨 (top → down)
   ============================================================ */
.hero-digital-rain {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, transparent 100%);
}
.rain-column {
    position: absolute;
    top: -60px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    color: rgba(59, 130, 246, 0.5);
    letter-spacing: 2px;
    animation: rain-fall linear infinite;
    white-space: nowrap;
    text-shadow: 0 0 8px rgba(59, 130, 246, 0.3);
}
@keyframes rain-fall {
    0% { transform: translateY(-60px); opacity: 0.8; }
    80% { opacity: 0.6; }
    100% { transform: translateY(calc(50vh)); opacity: 0; }
}

/* ============================================================
   7. 联系我们 — 中心扩散涟漪 (center → outward)
   ============================================================ */
.hero-ripple-center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    pointer-events: none;
    z-index: 2;
}
.ripple-ring {
    position: absolute;
    inset: 0;
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 50%;
    animation: ripple-expand 3s ease-out infinite;
}
@keyframes ripple-expand {
    0% { transform: scale(0.2); opacity: 0.8; }
    100% { transform: scale(1.5); opacity: 0; }
}
.ripple-core {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 56px; height: 56px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: ripple-core-pulse 2s ease-in-out infinite;
}
@keyframes ripple-core-pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); box-shadow: 0 0 20px rgba(59, 130, 246, 0.2); }
    50% { transform: translate(-50%, -50%) scale(1.15); box-shadow: 0 0 40px rgba(59, 130, 246, 0.4); }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
    .hero-counter-area { left: 2%; width: 160px; height: 160px; }
    .counter-digit { font-size: 2.5rem; }
    .hero-model-orbit { width: 240px; height: 240px; }
    .orbit-model { transform: rotate(var(--angle)) translateY(-100px) rotate(calc(-1 * var(--angle))); }
    .hero-ripple-center { width: 220px; height: 220px; }
}
@media (max-width: 768px) {
    .page-hero-enhanced { min-height: 70vh; padding: 7rem 0 4rem; }
    .hero-data-wave,
    .hero-counter-area,
    .hero-model-orbit,
    .hero-typewriter-stream,
    .hero-network-mesh,
    .hero-digital-rain,
    .hero-ripple-center { display: none; }
    .hero-tags { gap: 0.5rem; }
    .hero-tags span { font-size: 0.7rem; padding: 0.3rem 0.7rem; }
}