/* ==========================================
   餐馆AI专家 - Restaurant AI Expert
   2026 Premium Design - Apple/Tesla Inspired
   Clean, Minimal, Immersive Experience
   ========================================== */

/* CSS Variables - Premium Design System (Owner.com Inspired) */
:root {
    /* 主色调 - Owner蓝 */
    --primary: #0051F2;
    --primary-dark: #0041c2;
    --primary-light: #015bf8;
    --primary-rgb: 0, 81, 242;
    --primary-glow: rgba(0, 81, 242, 0.12);

    /* 强调色 - 紫罗兰 */
    --accent: #5e5ce6;
    --accent-dark: #4846c4;
    --accent-light: #7876f0;
    --accent-glow: rgba(94, 92, 230, 0.12);

    /* 辅助色 - 珊瑚 */
    --coral: #ff6b6b;
    --coral-glow: rgba(255, 107, 107, 0.12);

    /* 成功色 - 苹果绿 */
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.12);

    /* 警告色 - 暖橙 */
    --warning: #f59e0b;
    --warning-glow: rgba(245, 158, 11, 0.12);

    /* 背景色 - Owner风格色块 */
    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --bg-tertiary: #f5f5f7;
    --bg-warm: #f2f0ed;
    --bg-cool: #f1f1f2;
    --bg-dark: #ffffff;
    --bg-darker: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #fafafa;
    --bg-glass: rgba(255, 255, 255, 0.85);
    --bg-glass-hover: rgba(255, 255, 255, 0.95);
    --bg-section: #f5f5f7;
    --bg-section-warm: #f2f0ed;
    --bg-section-cool: #f1f1f2;

    /* 文字色 - 更温和的灰度 */
    --text-primary: #1a1a1a;
    --text-secondary: #3d3d3d;
    --text-tertiary: #666666;
    --text-quaternary: #888888;
    --text-white: #1a1a1a;
    --text-light: #3d3d3d;
    --text-gray: #666666;
    --text-muted: #888888;
    --text-dark: #1a1a1a;

    /* 边框色 */
    --border: rgba(0, 0, 0, 0.06);
    --border-light: #e5e5e5;
    --border-hover: rgba(0, 81, 242, 0.4);
    --border-glow: rgba(0, 81, 242, 0.2);

    /* 渐变 - 更精致 */
    --gradient-primary: linear-gradient(135deg, #0051F2 0%, #5e5ce6 100%);
    --gradient-premium: linear-gradient(135deg, #0051F2 0%, #5e5ce6 50%, #8b5cf6 100%);
    --gradient-card: linear-gradient(135deg, rgba(0, 81, 242, 0.02) 0%, rgba(94, 92, 230, 0.02) 100%);
    --gradient-subtle: linear-gradient(180deg, #ffffff 0%, #f5f5f7 100%);
    --gradient-glow: linear-gradient(135deg, var(--primary-glow) 0%, var(--accent-glow) 100%);
    --gradient-hero: linear-gradient(180deg, #fafafa 0%, #ffffff 100%);
    --gradient-warm: linear-gradient(180deg, #ffffff 0%, #f2f0ed 100%);
    --gradient-cool: linear-gradient(180deg, #ffffff 0%, #f1f1f2 100%);

    /* 阴影系统 - Owner风格柔和阴影 */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(112, 144, 210, 0.08);
    --shadow-md: 0 4px 20px rgba(112, 144, 210, 0.1);
    --shadow-lg: 0 8px 34px rgba(112, 144, 210, 0.12);
    --shadow-xl: 0 16px 48px rgba(112, 144, 210, 0.16);
    --shadow-glow: 0 4px 30px rgba(0, 81, 242, 0.2);
    --shadow-glow-accent: 0 4px 30px rgba(94, 92, 230, 0.2);
    --shadow-card: 0 0 34px rgba(112, 144, 210, 0.08);
    --shadow-card-hover: 0 8px 40px rgba(112, 144, 210, 0.15);

    /* 圆角系统 - Owner风格 */
    --radius-xs: 8px;
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-2xl: 48px;

    /* 间距系统 - 8px基准 */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;
    --space-24: 96px;
    --space-32: 128px;

    /* 动画系统 - Owner风格平滑过渡 */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s var(--ease-smooth);
    --transition: all 0.35s var(--ease-smooth);
    --transition-slow: all 0.5s var(--ease-smooth);
    --transition-slower: all 0.8s var(--ease-out-quint);

    /* 排版系统 - 流体字体 */
    --font-display: clamp(3rem, 8vw, 5.5rem);
    --font-h1: clamp(2.5rem, 5vw, 4rem);
    --font-h2: clamp(1.875rem, 4vw, 3rem);
    --font-h3: clamp(1.5rem, 3vw, 2rem);
    --font-h4: clamp(1.25rem, 2vw, 1.5rem);
    --font-body-lg: clamp(1.125rem, 1.5vw, 1.25rem);
    --font-body: 1rem;
    --font-body-sm: 0.875rem;
    --font-caption: 0.75rem;
}

/* ==========================================
   Reset & Base Styles
   ========================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: var(--font-body);
    line-height: 1.6;
    color: var(--text-secondary);
    background: var(--bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
    letter-spacing: -0.01em;
    font-weight: 400;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

/* 优雅的选中效果 */
::selection {
    background: rgba(0, 113, 227, 0.15);
    color: var(--text-primary);
}

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

a:hover {
    color: var(--primary-dark);
}

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

ul, ol {
    list-style: none;
}

/* ==========================================
   Container - 响应式最大宽度
   ========================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    position: relative;
    z-index: 1;
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-8);
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* ==========================================
   Header & Navigation - Apple风格
   ========================================== */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    transition: var(--transition);
}

header.scrolled {
    background: rgba(251, 251, 253, 0.92) !important;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}

/* Header on dark/video background */
header:not(.scrolled) .logo-text span:first-child,
header:not(.scrolled) nav a {
    color: rgba(255, 255, 255, 0.9);
}

header:not(.scrolled) .logo-text span:last-child {
    color: rgba(255, 255, 255, 0.6);
}

header:not(.scrolled) nav a:hover {
    color: white;
}

header:not(.scrolled) nav a.active {
    color: #a5b4fc;
}

header:not(.scrolled) .nav-cta {
    background: rgba(0, 81, 242, 0.9) !important;
    box-shadow: 0 0 20px rgba(0, 81, 242, 0.4);
}

header:not(.scrolled) .logo-icon {
    box-shadow: 0 0 20px rgba(0, 81, 242, 0.4);
}

/* Scrolled state - light theme */
header.scrolled .logo-text span:first-child {
    color: var(--text-primary);
}

header.scrolled .logo-text span:last-child {
    color: var(--text-quaternary);
}

header.scrolled nav a {
    color: var(--text-tertiary);
}

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

header.scrolled nav a.active {
    color: var(--primary);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-6);
    max-width: 1200px;
    margin: 0 auto;
    height: 52px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--text-primary);
    font-weight: 600;
}

.logo a:hover {
    opacity: 0.72;
}

.logo-icon {
    width: 38px;
    height: 38px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    transition: var(--transition);
}

.logo a:hover .logo-icon {
    transform: scale(1.05);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.logo-text span:first-child {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.logo-text span:last-child {
    font-size: 10px;
    color: var(--text-quaternary);
    font-weight: 400;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

nav a {
    padding: var(--space-2) var(--space-4);
    color: var(--text-tertiary);
    font-weight: 400;
    font-size: var(--font-body-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
    letter-spacing: -0.01em;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
    border-radius: 2px;
    opacity: 0;
}

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

nav a.active {
    color: var(--primary);
}

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

.nav-cta {
    background: var(--primary) !important;
    color: white !important;
    font-weight: 500 !important;
    margin-left: var(--space-3);
    border: none;
    border-radius: var(--radius-xl) !important;
    padding: var(--space-2) var(--space-5) !important;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--primary-dark) !important;
    transform: scale(1.02);
}

.nav-cta::after {
    display: none;
}

.nav-phone {
    color: var(--primary) !important;
    font-weight: 600 !important;
    margin-left: var(--space-2);
    white-space: nowrap;
}

.nav-phone i {
    margin-right: 4px;
}

.nav-phone::after {
    display: none !important;
}

header:not(.scrolled) .nav-phone {
    color: #fbbf24 !important;
}

header.scrolled .nav-phone {
    color: var(--primary) !important;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.menu-toggle:hover {
    background: var(--bg-tertiary);
}

.menu-toggle span {
    width: 20px;
    height: 1.5px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

/* Menu toggle on dark background (not scrolled) */
header:not(.scrolled) .menu-toggle span {
    background: rgba(255, 255, 255, 0.9);
}

header:not(.scrolled) .menu-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ==========================================
   Hero Section - Apple/Tesla风格沉浸式设计
   ========================================== */
.hero {
    padding: calc(52px + var(--space-24)) var(--space-6) var(--space-24);
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
}

/* 优雅的渐变背景 */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 100% 80% at 50% -20%, rgba(0, 113, 227, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 80% 60% at 20% 80%, rgba(94, 92, 230, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse 80% 60% at 80% 80%, rgba(255, 107, 107, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

/* 细微的网格装饰 */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.01) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.01) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.5;
    pointer-events: none;
}

.hero-content {
    max-width: 980px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--bg-primary);
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-xl);
    font-size: var(--font-body-sm);
    color: var(--primary);
    margin-bottom: var(--space-8);
    border: 1px solid rgba(0, 113, 227, 0.12);
    box-shadow: var(--shadow-sm);
    font-weight: 500;
    letter-spacing: -0.01em;
    transition: var(--transition);
}

.hero-badge:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hero-badge i {
    color: var(--warning);
    font-size: 14px;
}

.hero h1 {
    font-size: var(--font-display);
    font-weight: 700;
    margin-bottom: var(--space-6);
    line-height: 1.05;
    letter-spacing: -0.04em;
    color: var(--text-primary);
}

.hero h1 .text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-h3);
    color: var(--text-primary);
    margin-bottom: var(--space-5);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: var(--font-body-lg);
    color: var(--text-tertiary);
    margin-bottom: var(--space-10);
    line-height: 1.6;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
    letter-spacing: -0.01em;
}

.hero-buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    margin-top: var(--space-16);
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--text-tertiary);
    font-size: var(--font-body-sm);
    padding: var(--space-3) var(--space-5);
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: var(--transition);
    backdrop-filter: blur(10px);
    font-weight: 500;
}

.hero-feature:hover {
    background: var(--bg-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.hero-feature i {
    color: var(--success);
    font-size: 16px;
}

/* ==========================================
   Static Hero Section - Clean Gradient Style
   ========================================== */
.hero-static {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    padding: calc(52px + var(--space-16)) var(--space-6) var(--space-16);
    min-height: auto;
}

.hero-static::before,
.hero-static::after {
    display: none;
}

.hero-static .hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
}

.hero-static h1 {
    color: #fff;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.hero-static .text-gradient-light {
    background: linear-gradient(135deg, #fff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-static .hero-subtitle {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.5rem;
    font-weight: 600;
}

.hero-static .hero-description {
    color: rgba(255, 255, 255, 0.85);
    max-width: 700px;
    margin: 0 auto var(--space-8);
}

.hero-static .hero-badge {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
}

.hero-static .hero-badge i {
    color: #fcd34d;
}

.hero-static .hero-features {
    background: transparent;
}

.hero-static .hero-feature {
    color: rgba(255, 255, 255, 0.9);
}

.hero-static .hero-feature i {
    color: #4ade80;
}

.hero-static .btn-primary {
    background: #fff;
    color: #764ba2;
}

.hero-static .btn-primary:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}

.hero-static .btn-outline-light {
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
}

.hero-static .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

/* ==========================================
   Video Hero Section - AI Tech Style
   ========================================== */
.hero-video {
    background: #0a0a0a;
    padding: 0;
    min-height: 100vh;
}

.hero-video::before,
.hero-video::after {
    display: none;
}

/* Video Container */
.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.hero-video-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    filter: brightness(0.5) saturate(1.1);
}

.hero-video-fallback {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f0f23 100%);
    z-index: -1;
}

/* Dark Overlay with Gradient */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.4) 0%,
        rgba(0, 0, 0, 0.2) 40%,
        rgba(0, 0, 0, 0.3) 70%,
        rgba(0, 0, 0, 0.7) 100%
    );
    z-index: 1;
}

/* Tech Grid Overlay */
.hero-grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 81, 242, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 81, 242, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 2;
    pointer-events: none;
    animation: gridPulse 4s ease-in-out infinite;
}

@keyframes gridPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

/* Scan Line Effect */
.hero-scan-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(0, 81, 242, 0.3) 20%,
        rgba(0, 81, 242, 0.8) 50%,
        rgba(0, 81, 242, 0.3) 80%,
        transparent 100%
    );
    z-index: 3;
    animation: scanLine 4s ease-in-out infinite;
    box-shadow: 0 0 20px rgba(0, 81, 242, 0.5);
}

@keyframes scanLine {
    0% { transform: translateY(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(100vh); opacity: 0; }
}

/* Neural Network SVG */
.hero-neural-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
}

.neural-line {
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: drawLine 3s ease-out forwards;
}

.neural-line:nth-child(2) { animation-delay: 0.5s; }
.neural-line:nth-child(3) { animation-delay: 1s; }
.neural-line:nth-child(4) { animation-delay: 1.5s; }

@keyframes drawLine {
    to { stroke-dashoffset: 0; }
}

.neural-node {
    opacity: 0;
    animation: nodeAppear 0.5s ease-out forwards;
}

.neural-node:nth-child(5) { animation-delay: 1s; }
.neural-node:nth-child(6) { animation-delay: 1.5s; }
.neural-node:nth-child(7) { animation-delay: 2s; }
.neural-node:nth-child(8) { animation-delay: 2.5s; }

@keyframes nodeAppear {
    to { opacity: 1; }
}

/* Floating AI Icons */
.hero-floating-icons {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
    overflow: hidden;
}

.floating-icon {
    position: absolute;
    left: var(--x);
    top: var(--y);
    width: 48px;
    height: 48px;
    background: rgba(0, 81, 242, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 81, 242, 0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(0, 81, 242, 0.8);
    font-size: 18px;
    animation: floatIcon 6s ease-in-out infinite;
    animation-delay: var(--delay);
    opacity: 0.6;
}

.floating-icon:hover {
    opacity: 1;
}

@keyframes floatIcon {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.4;
    }
    25% {
        transform: translateY(-15px) rotate(5deg);
        opacity: 0.7;
    }
    50% {
        transform: translateY(-5px) rotate(-3deg);
        opacity: 0.5;
    }
    75% {
        transform: translateY(-20px) rotate(3deg);
        opacity: 0.6;
    }
}

/* Particle Animation Container */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

/* Video Hero Content Styling */
.hero-video .hero-content {
    position: relative;
    z-index: 10;
    padding: calc(52px + var(--space-20)) var(--space-6) var(--space-16);
}

.hero-video h1 {
    color: white;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.text-gradient-light {
    background: linear-gradient(135deg, #ffffff 0%, #a5b4fc 50%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-video .hero-subtitle {
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

.hero-video .hero-description {
    color: rgba(255, 255, 255, 0.8);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Glowing Badge */
.hero-badge-glow {
    background: rgba(0, 81, 242, 0.2);
    border: 1px solid rgba(0, 81, 242, 0.4);
    color: #a5b4fc;
    backdrop-filter: blur(20px);
    box-shadow:
        0 0 20px rgba(0, 81, 242, 0.3),
        inset 0 0 20px rgba(0, 81, 242, 0.1);
    animation: badgePulse 3s ease-in-out infinite;
}

.hero-badge-glow i {
    color: #fcd34d;
}

@keyframes badgePulse {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 81, 242, 0.3), inset 0 0 20px rgba(0, 81, 242, 0.1); }
    50% { box-shadow: 0 0 40px rgba(0, 81, 242, 0.5), inset 0 0 30px rgba(0, 81, 242, 0.2); }
}

/* Glowing Primary Button */
.btn-glow {
    box-shadow:
        0 0 20px rgba(0, 81, 242, 0.4),
        0 4px 15px rgba(0, 81, 242, 0.3);
    animation: btnGlow 2s ease-in-out infinite;
}

.btn-glow:hover {
    box-shadow:
        0 0 30px rgba(0, 81, 242, 0.6),
        0 6px 20px rgba(0, 81, 242, 0.4);
}

@keyframes btnGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 81, 242, 0.4), 0 4px 15px rgba(0, 81, 242, 0.3); }
    50% { box-shadow: 0 0 35px rgba(0, 81, 242, 0.6), 0 6px 25px rgba(0, 81, 242, 0.4); }
}

/* Outline Light Button */
.btn-outline-light {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
}

/* Dark Theme Features */
.hero-features-dark .hero-feature {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

.hero-features-dark .hero-feature:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(0, 81, 242, 0.5);
    box-shadow: 0 0 20px rgba(0, 81, 242, 0.2);
}

.hero-features-dark .hero-feature i {
    color: #10b981;
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    text-align: center;
    animation: fadeInUp 1s ease-out 2s both;
}

.hero-scroll-indicator span {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-caption);
    margin-bottom: var(--space-2);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid rgba(255, 255, 255, 0.5);
    border-bottom: 2px solid rgba(255, 255, 255, 0.5);
    transform: rotate(45deg);
    margin: 0 auto;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: rotate(45deg) translateY(0); opacity: 0.5; }
    50% { transform: rotate(45deg) translateY(8px); opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* Video Hero Responsive */
@media (max-width: 768px) {
    .hero-video .hero-content {
        padding: calc(52px + var(--space-16)) var(--space-4) var(--space-12);
    }

    .floating-icon {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .hero-grid-overlay {
        background-size: 30px 30px;
    }

    .hero-neural-svg {
        display: none;
    }

    .hero-scroll-indicator {
        bottom: var(--space-4);
    }
}

@media (max-width: 480px) {
    .floating-icon:nth-child(n+5) {
        display: none;
    }
}

/* ==========================================
   Buttons - Apple风格按钮
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-xl);
    font-weight: 500;
    font-size: var(--font-body);
    cursor: pointer;
    border: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    letter-spacing: -0.01em;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: scale(1.02);
    color: white;
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: none;
}

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

.btn-secondary:active {
    transform: scale(0.98);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}

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

.btn-outline:active {
    transform: scale(0.98);
}

/* 文字链接按钮 */
.btn-link {
    background: transparent;
    color: var(--primary);
    padding: var(--space-2) 0;
    font-weight: 500;
}

.btn-link::after {
    content: '→';
    margin-left: var(--space-2);
    transition: var(--transition);
}

.btn-link:hover {
    color: var(--primary-dark);
}

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

.btn-sm {
    padding: var(--space-2) var(--space-5);
    font-size: var(--font-body-sm);
    border-radius: var(--radius-lg);
}

.btn-lg {
    padding: var(--space-5) var(--space-10);
    font-size: var(--font-body-lg);
    border-radius: var(--radius-2xl);
}

/* 图标按钮 */
.btn i {
    font-size: 0.9em;
}

/* ==========================================
   Section Styles - 宽敞的空间感
   ========================================== */
section {
    padding: var(--space-24) var(--space-6);
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: var(--font-h2);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.section-header h2 .text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: var(--font-body-lg);
    color: var(--text-tertiary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.6;
    letter-spacing: -0.01em;
}

.section-light {
    background: var(--bg-cool);
}

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

.section-gradient {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-cool) 50%, var(--bg-primary) 100%);
}

.section-gradient-warm {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-warm) 100%);
}

/* 交替色块背景 */
.section-alt-1 {
    background: var(--bg-primary);
}

.section-alt-2 {
    background: var(--bg-cool);
}

.section-alt-3 {
    background: var(--bg-warm);
}

/* ==========================================
   Problems Section - 痛点卡片
   ========================================== */
.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--space-5);
    margin-bottom: var(--space-12);
}

.problem-card {
    background: var(--bg-primary);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
    border: 1px solid transparent;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.problem-card:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: var(--shadow-lg);
}

.problem-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 107, 107, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--coral);
    font-size: 20px;
    flex-shrink: 0;
    transition: var(--transition);
}

.problem-card:hover .problem-icon {
    transform: scale(1.1);
    background: rgba(255, 107, 107, 0.15);
}

.problem-card h3 {
    font-size: var(--font-body);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.problem-card p {
    font-size: var(--font-body-sm);
    color: var(--text-tertiary);
    line-height: 1.55;
}

.problems-solution {
    text-align: center;
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-12) var(--space-8);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.problems-solution::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

.problems-solution h3 {
    font-size: var(--font-h4);
    font-weight: 600;
    position: relative;
    z-index: 1;
    letter-spacing: -0.01em;
}

/* ==========================================
   Features / Systems Section - 功能卡片
   ========================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: var(--space-6);
}

.feature-card {
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
    font-size: 28px;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(-3deg);
    background: linear-gradient(135deg, rgba(0, 113, 227, 0.1) 0%, rgba(94, 92, 230, 0.1) 100%);
}

.feature-card h3 {
    font-size: var(--font-h4);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.feature-card > p {
    color: var(--text-tertiary);
    margin-bottom: var(--space-5);
    line-height: 1.55;
    font-size: var(--font-body-sm);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: var(--font-body-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

.feature-list li::before {
    content: "✓";
    color: var(--success);
    font-weight: 600;
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    background: rgba(48, 209, 88, 0.12);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    margin-top: 1px;
}

/* ==========================================
   Pricing / Packages Section - 套餐卡片
   ========================================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-10);
}

.pricing-card {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    border: 1px solid transparent;
    position: relative;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.pricing-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    background: linear-gradient(180deg, rgba(0, 113, 227, 0.02) 0%, var(--bg-primary) 100%);
}

.pricing-card.featured::before {
    content: "推荐";
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: var(--space-2) var(--space-6);
    border-radius: var(--radius-xl);
    font-size: var(--font-body-sm);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.pricing-header {
    text-align: center;
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--border-light);
    margin-bottom: var(--space-6);
}

.pricing-name {
    font-size: var(--font-caption);
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: var(--space-3);
    letter-spacing: 0.1em;
}

.pricing-title {
    font-size: var(--font-h4);
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.pricing-desc {
    font-size: var(--font-body-sm);
    color: var(--text-tertiary);
}

.pricing-features {
    margin-bottom: var(--space-8);
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    font-size: var(--font-body-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

.pricing-features li i {
    color: var(--success);
    margin-top: 3px;
    font-size: 12px;
}

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

.pricing-note {
    text-align: center;
    color: var(--text-tertiary);
    font-size: var(--font-body-sm);
}

/* ==========================================
   Why Choose Us Section
   ========================================== */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-6);
}

.why-card {
    text-align: center;
    padding: var(--space-10) var(--space-6);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    border: 1px solid transparent;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.why-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.why-icon {
    width: 72px;
    height: 72px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-6);
    font-size: 28px;
    color: white;
    transition: var(--transition);
}

.why-card:hover .why-icon {
    transform: scale(1.1) rotate(-5deg);
}

.why-card h3 {
    font-size: var(--font-body);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.why-card p {
    font-size: var(--font-body-sm);
    color: var(--text-tertiary);
    line-height: 1.55;
}

/* ==========================================
   Why Choose Us - 2 Columns Rectangular Cards
   ========================================== */
.why-grid-2col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
}

.why-card-rect {
    display: flex;
    align-items: flex-start;
    gap: var(--space-5);
    padding: var(--space-8);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    border: 1px solid transparent;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.why-card-rect:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: var(--shadow-xl);
}

.why-card-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--primary);
    transition: var(--transition);
}

.why-card-rect:hover .why-card-icon {
    transform: scale(1.1) rotate(-5deg);
    background: var(--gradient-primary);
    color: white;
}

.why-card-content h3 {
    font-size: var(--font-body);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.why-card-content p {
    font-size: var(--font-body-sm);
    color: var(--text-tertiary);
    line-height: 1.55;
}

@media (max-width: 768px) {
    .why-grid-2col {
        grid-template-columns: 1fr;
    }

    .why-card-rect {
        padding: var(--space-6);
    }
}

@media (max-width: 480px) {
    .why-card-rect {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .why-card-icon {
        margin-bottom: var(--space-4);
    }
}

/* ==========================================
   Why Choose Us - Image Background Cards
   ========================================== */
.why-image-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}

.why-image-card {
    position: relative;
    height: 320px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.why-image-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.why-image-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: var(--transition-slow);
    z-index: 0;
}

.why-image-card:hover::before {
    transform: scale(1.08);
}

/* Individual card backgrounds - Restaurant scene images */
.why-image-card[data-bg="integration"]::before {
    /* 现代餐馆POS系统/平板点餐场景 */
    background-image: url('https://images.unsplash.com/photo-1556742049-0cfed4f6a45d?w=800&q=80');
}

.why-image-card[data-bg="independent"]::before {
    /* 餐馆厨房/后厨场景 */
    background-image: url('https://images.unsplash.com/photo-1556909114-f6e7ad7d3136?w=800&q=80');
}

.why-image-card[data-bg="local"]::before {
    /* 中式餐馆/纽约唐人街美食场景 */
    background-image: url('https://images.unsplash.com/photo-1585032226651-759b368d7246?w=800&q=80');
}

.why-image-card[data-bg="marketing"]::before {
    /* 社交媒体营销/手机拍美食场景 */
    background-image: url('https://images.unsplash.com/photo-1493770348161-369560ae357d?w=800&q=80');
}

.why-image-card[data-bg="service"]::before {
    /* 客户服务/餐馆服务员场景 */
    background-image: url('https://images.unsplash.com/photo-1559339352-11d035aa65de?w=800&q=80');
}

.why-image-card[data-bg="data"]::before {
    /* 数据分析/报表场景 */
    background-image: url('https://images.unsplash.com/photo-1551288049-bebda4e38f71?w=800&q=80');
}

/* Gradient overlay for text readability */
.why-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.1) 0%,
        rgba(0, 0, 0, 0.3) 40%,
        rgba(0, 0, 0, 0.75) 100%
    );
    z-index: 1;
    transition: var(--transition);
}

.why-image-card:hover .why-image-overlay {
    background: linear-gradient(
        180deg,
        rgba(0, 81, 242, 0.1) 0%,
        rgba(0, 81, 242, 0.2) 40%,
        rgba(0, 40, 120, 0.85) 100%
    );
}

/* Card content */
.why-image-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-8);
    z-index: 2;
    transition: var(--transition);
}

.why-image-card:hover .why-image-content {
    transform: translateY(-8px);
}

.why-image-icon {
    width: 52px;
    height: 52px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    margin-bottom: var(--space-4);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.why-image-card:hover .why-image-icon {
    background: var(--primary);
    transform: scale(1.1) rotate(-5deg);
    border-color: var(--primary);
}

.why-image-content h3 {
    font-size: var(--font-h4);
    font-weight: 600;
    color: white;
    margin-bottom: var(--space-3);
    letter-spacing: -0.02em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.why-image-content p {
    font-size: var(--font-body-sm);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    opacity: 0.9;
    transition: var(--transition);
}

.why-image-card:hover .why-image-content p {
    opacity: 1;
}

/* Responsive for image cards */
@media (max-width: 992px) {
    .why-image-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .why-image-grid {
        grid-template-columns: 1fr;
    }

    .why-image-card {
        height: 280px;
    }
}

/* ==========================================
   Trust Section
   ========================================== */
.trust-section {
    background: var(--bg-primary);
    padding: var(--space-24) var(--space-6);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
    margin-bottom: var(--space-16);
}

.trust-card {
    text-align: center;
    padding: var(--space-8) var(--space-5);
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    transition: var(--transition);
}

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

.trust-number {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-2);
    letter-spacing: -0.03em;
    line-height: 1;
}

.trust-label {
    font-size: var(--font-body-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    letter-spacing: -0.01em;
}

.trust-card p {
    font-size: var(--font-body-sm);
    color: var(--text-tertiary);
    line-height: 1.5;
}

.trust-testimonials {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}

.testimonial-card {
    background: var(--bg-tertiary);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: var(--shadow-lg);
    background: var(--bg-primary);
}

.testimonial-content {
    margin-bottom: var(--space-6);
}

.testimonial-content i {
    font-size: 20px;
    color: var(--primary);
    opacity: 0.4;
    margin-bottom: var(--space-4);
    display: block;
}

.testimonial-content p {
    font-size: var(--font-body-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.author-avatar {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
}

.author-info h4 {
    font-size: var(--font-body-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.author-info span {
    font-size: var(--font-caption);
    color: var(--text-quaternary);
}

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

    .trust-testimonials {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .trust-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================
   Cases Carousel Section - Full Width Horizontal Scroll
   ========================================== */
.cases-carousel-section {
    padding: var(--space-24) 0;
    background: var(--bg-section-warm);
    overflow: hidden;
}

.cases-carousel-section .section-header {
    padding: 0 var(--space-6);
    max-width: 1200px;
    margin: 0 auto var(--space-12);
}

.carousel-wrapper {
    position: relative;
    width: 100%;
}

.carousel-container {
    overflow: hidden;
    width: 100%;
    padding: var(--space-4) 0;
}

.carousel-track {
    display: flex;
    gap: var(--space-6);
    padding: 0 var(--space-8);
    animation: scroll-horizontal 40s linear infinite;
    width: max-content;
}

.carousel-track:hover {
    animation-play-state: paused;
}

@keyframes scroll-horizontal {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.carousel-card {
    min-width: 380px;
    max-width: 380px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    flex-shrink: 0;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
}

.carousel-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
}

.carousel-card-image {
    height: 140px;
    background: linear-gradient(135deg, rgba(0, 113, 227, 0.08) 0%, rgba(94, 92, 230, 0.08) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.case-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: white;
    transition: var(--transition);
}

.carousel-card:hover .case-icon {
    transform: scale(1.1) rotate(-5deg);
}

.case-tag {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    background: var(--bg-primary);
    color: var(--text-secondary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-lg);
    font-size: var(--font-caption);
    font-weight: 500;
}

.carousel-card-content {
    padding: var(--space-6);
}

.carousel-card-content h3 {
    font-size: var(--font-body);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.case-result {
    font-size: var(--font-body-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
}

.case-result .highlight {
    color: var(--success);
    font-weight: 700;
    font-size: var(--font-body);
}

.case-desc {
    font-size: var(--font-body-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--space-4);
    line-height: 1.5;
}

.case-tags {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.case-tags span {
    padding: var(--space-1) var(--space-3);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    font-size: var(--font-caption);
    color: var(--text-tertiary);
    font-weight: 500;
}

.carousel-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-4);
    margin-top: var(--space-10);
    padding: 0 var(--space-6);
}

.carousel-btn {
    width: 52px;
    height: 52px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.carousel-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: scale(1.05);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
}

.dot {
    width: 8px;
    height: 8px;
    background: var(--border-light);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    width: 28px;
    border-radius: var(--radius-xs);
    background: var(--primary);
}

.dot:hover {
    background: var(--primary);
    opacity: 0.7;
}

@media (max-width: 1024px) {
    .carousel-card {
        min-width: calc(50% - 10px);
    }
}

@media (max-width: 768px) {
    .carousel-card {
        min-width: 100%;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }
}

/* ==========================================
   Cases / Blog Cards
   ========================================== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: var(--space-6);
}

.card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: var(--shadow-xl);
}

.card-image {
    height: 200px;
    background: linear-gradient(135deg, rgba(0, 113, 227, 0.08) 0%, rgba(94, 92, 230, 0.08) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    position: relative;
    overflow: hidden;
}

.card-content {
    padding: var(--space-6);
}

.card-tags {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-bottom: var(--space-4);
}

.card-tag {
    padding: var(--space-1) var(--space-3);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    font-size: var(--font-caption);
    color: var(--text-tertiary);
    font-weight: 500;
}

.card-tag.primary {
    background: rgba(0, 113, 227, 0.08);
    color: var(--primary);
}

.card h3 {
    font-size: var(--font-body);
    font-weight: 600;
    margin-bottom: var(--space-3);
    line-height: 1.4;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.card p {
    font-size: var(--font-body-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--space-5);
    line-height: 1.6;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-caption);
    color: var(--text-quaternary);
}

.card-link {
    color: var(--primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: var(--transition);
    font-size: var(--font-body-sm);
}

.card-link:hover {
    gap: var(--space-3);
}

/* ==========================================
   Blog Categories
   ========================================== */
.blog-categories {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 50px;
}

.category-btn {
    padding: 12px 24px;
    background: white;
    border: 1px solid var(--border-light);
    border-radius: 50px;
    font-size: 14px;
    color: var(--text-gray);
    cursor: pointer;
    transition: var(--transition);
}

.category-btn:hover,
.category-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: var(--shadow-md);
}

/* ==========================================
   About Section
   ========================================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 24px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-text p {
    color: var(--text-gray);
    margin-bottom: 24px;
    font-size: 16px;
    line-height: 1.8;
}

.about-image {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
    border-radius: var(--radius-xl);
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 140px;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-light);
}

/* ==========================================
   Contact Section
   ========================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-info > p {
    color: var(--text-gray);
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 20px;
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.contact-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.contact-item i {
    width: 54px;
    height: 54px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 22px;
    flex-shrink: 0;
    border: 1px solid var(--border-light);
}

.contact-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-white);
}

.contact-item p {
    color: var(--text-gray);
    font-size: 15px;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
}

.contact-form h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 32px;
    color: var(--text-white);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--text-light);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: var(--bg-section);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 15px;
    color: var(--text-dark);
    transition: var(--transition);
    font-family: inherit;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background: white;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 48px;
}

.form-group select option {
    background: white;
    color: var(--text-dark);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    justify-content: center;
    padding: 18px;
}

/* ==========================================
   CTA Section
   ========================================== */
.cta-section {
    background: var(--bg-tertiary);
    text-align: center;
    padding: var(--space-24) var(--space-6);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 120%, rgba(0, 113, 227, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.cta-section h2 {
    font-size: var(--font-h2);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
    position: relative;
    z-index: 1;
    letter-spacing: -0.03em;
}

.cta-section p {
    font-size: var(--font-body-lg);
    color: var(--text-tertiary);
    margin-bottom: var(--space-8);
    position: relative;
    z-index: 1;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn-primary {
    position: relative;
    z-index: 1;
}

.cta-phone {
    position: relative;
    z-index: 1;
    margin-bottom: var(--space-6);
}

.cta-phone a {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: 1px;
    transition: var(--transition);
}

.cta-phone a:hover {
    color: var(--primary-dark);
}

.cta-phone a i {
    margin-right: 8px;
    animation: phone-ring 1.5s ease-in-out infinite;
}

@keyframes phone-ring {
    0%, 100% { transform: rotate(0deg); }
    10% { transform: rotate(-12deg); }
    20% { transform: rotate(12deg); }
    30% { transform: rotate(-8deg); }
    40% { transform: rotate(8deg); }
    50% { transform: rotate(0deg); }
}

/* ==========================================
   Footer
   ========================================== */
footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--space-20) var(--space-6) var(--space-10);
    position: relative;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    max-width: 1200px;
    margin: 0 auto var(--space-12);
    position: relative;
    z-index: 1;
}

.footer-brand h3 {
    font-size: var(--font-h4);
    margin-bottom: var(--space-4);
    color: white;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-body-sm);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.footer-links h4 {
    font-size: var(--font-body-sm);
    margin-bottom: var(--space-5);
    color: white;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a,
.footer-links li {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-body-sm);
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
    position: relative;
    z-index: 1;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.4);
    font-size: var(--font-body-sm);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.6);
    transition: all 0.3s ease;
}

.footer-bottom a:hover {
    color: white;
}

.footer-design {
    color: rgba(255, 255, 255, 0.4);
    font-size: var(--font-caption);
}

.footer-design a {
    color: rgba(255, 255, 255, 0.6);
    transition: all 0.3s ease;
}

.footer-design a:hover {
    color: white;
}

/* ==========================================
   Page Headers - Gradient Style (匹配首页效果)
   ========================================== */
.page-header {
    padding: calc(52px + var(--space-20)) var(--space-6) var(--space-16);
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
}

.page-header::before {
    display: none;
}

.page-header h1 {
    font-size: var(--font-h1);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: #fff;
    position: relative;
    z-index: 1;
    letter-spacing: -0.03em;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.page-header p {
    font-size: var(--font-body-lg);
    color: rgba(255, 255, 255, 0.9);
    max-width: 560px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    line-height: 1.6;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
    font-size: var(--font-body-sm);
    position: relative;
    z-index: 1;
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: #fff;
}

.breadcrumb span {
    color: rgba(255, 255, 255, 0.6);
}

.breadcrumb a {
    color: var(--text-quaternary);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb span {
    color: var(--text-quaternary);
}

/* ==========================================
   Service Detail Page - Enhanced Visual Design
   ========================================== */
.service-detail {
    margin-bottom: var(--space-20);
    padding: var(--space-16) var(--space-8);
    border-radius: var(--radius-2xl);
    background: var(--bg-primary);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.service-detail::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.service-detail:nth-child(odd) {
    background: linear-gradient(135deg, rgba(0, 81, 242, 0.02) 0%, rgba(255, 255, 255, 1) 100%);
}

.service-detail:nth-child(even) {
    background: linear-gradient(135deg, rgba(94, 92, 230, 0.02) 0%, rgba(255, 255, 255, 1) 100%);
}

.service-detail h2 {
    font-size: var(--font-h3);
    font-weight: 700;
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.service-detail h2 span {
    font-size: 36px;
}

.service-detail > p {
    font-size: var(--font-body-lg);
    color: var(--text-tertiary);
    margin-bottom: var(--space-8);
    max-width: 600px;
}

.service-detail .features-grid {
    margin-top: var(--space-8);
}

.service-detail .feature-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: var(--space-6);
}

.service-detail .feature-card h3 {
    font-size: var(--font-body);
    margin-bottom: var(--space-2);
}

.service-detail .feature-card p {
    font-size: var(--font-body-sm);
    color: var(--text-tertiary);
    line-height: 1.6;
}

.services-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-16);
    padding: var(--space-10) var(--space-8);
    background: var(--gradient-warm);
    border-radius: var(--radius-2xl);
}

.services-intro p {
    font-size: var(--font-body-lg);
    color: var(--text-secondary);
    line-height: 1.8;
}

.services-intro strong {
    color: var(--primary);
    font-weight: 600;
}

/* ==========================================
   Article Content
   ========================================== */
.article-content {
    max-width: 720px;
    margin: 0 auto;
    padding: var(--space-16) var(--space-6) var(--space-24);
}

.article-header {
    margin-bottom: var(--space-12);
}

.article-header .card-tags {
    justify-content: center;
    margin-bottom: var(--space-6);
}

.article-header h1 {
    font-size: var(--font-h2);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-6);
    line-height: 1.2;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: var(--space-6);
    color: var(--text-quaternary);
    font-size: var(--font-body-sm);
}

.article-body h2 {
    font-size: var(--font-h3);
    font-weight: 600;
    margin: var(--space-12) 0 var(--space-6);
    color: var(--text-primary);
    padding-left: var(--space-4);
    border-left: 3px solid var(--primary);
    letter-spacing: -0.02em;
}

.article-body h3 {
    font-size: var(--font-h4);
    font-weight: 600;
    margin: var(--space-10) 0 var(--space-4);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.article-body p {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    line-height: 1.8;
    font-size: var(--font-body);
}

.article-body ul,
.article-body ol {
    margin: var(--space-6) 0 var(--space-6) var(--space-6);
}

.article-body li {
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
    line-height: 1.7;
    list-style: disc;
}

.article-body ol li {
    list-style: decimal;
}

.article-body blockquote {
    border-left: 3px solid var(--primary);
    padding: var(--space-6) var(--space-8);
    background: var(--bg-tertiary);
    margin: var(--space-8) 0;
    color: var(--text-secondary);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.article-cta {
    background: var(--bg-tertiary);
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
    text-align: center;
    margin-top: var(--space-16);
}

.article-cta h3 {
    font-size: var(--font-h4);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.article-cta p {
    color: var(--text-tertiary);
    margin-bottom: var(--space-6);
}

/* ==========================================
   Stats Section
   ========================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.stat-item {
    text-align: center;
    padding: 32px;
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.stat-number {
    font-size: 52px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.stat-label {
    font-size: 16px;
    color: var(--text-gray);
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

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

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(251, 251, 253, 0.98);
        backdrop-filter: saturate(180%) blur(20px);
        -webkit-backdrop-filter: saturate(180%) blur(20px);
        flex-direction: column;
        padding: var(--space-6);
        gap: var(--space-2);
        display: none;
        box-shadow: var(--shadow-lg);
    }

    nav.active {
        display: flex;
    }

    /* Mobile nav - always use dark text on white background */
    nav a {
        width: 100%;
        text-align: center;
        padding: var(--space-4);
        border-radius: var(--radius-md);
        color: var(--text-tertiary) !important;
    }

    nav a:hover {
        background: var(--bg-tertiary);
        color: var(--text-primary) !important;
    }

    nav a.active {
        color: var(--primary) !important;
    }

    nav a::after {
        display: none;
    }

    .nav-phone {
        margin-left: 0;
        font-size: 18px !important;
        color: var(--primary) !important;
        background: rgba(0, 81, 242, 0.08);
        border-radius: var(--radius-md);
    }

    .nav-cta {
        margin-left: 0;
        margin-top: var(--space-3);
        color: white !important;
    }

    .cta-phone a {
        font-size: 28px;
    }

    .hero {
        padding: calc(52px + var(--space-16)) var(--space-5) var(--space-16);
        min-height: auto;
    }

    .hero-features {
        gap: var(--space-4);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .about-image {
        height: 280px;
        order: -1;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-10);
    }

    .footer-social {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .cards-grid {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .hero-features {
        flex-direction: column;
        gap: var(--space-3);
    }

    section {
        padding: var(--space-16) var(--space-4);
    }

    .problems-grid {
        grid-template-columns: 1fr;
    }

    .why-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: var(--space-6);
    }

    .feature-card {
        padding: var(--space-6);
    }

    .pricing-card {
        padding: var(--space-8);
    }
}

/* ==========================================
   Utility Classes
   ========================================== */
.text-center {
    text-align: center;
}

.text-primary {
    color: var(--primary);
}

.text-success {
    color: var(--success);
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-20 {
    margin-bottom: 20px;
}

.mb-40 {
    margin-bottom: 40px;
}

.mt-20 {
    margin-top: 20px;
}

.mt-40 {
    margin-top: 40px;
}

/* 发光文字效果 */
.glow-text {
    text-shadow: 0 0 10px var(--primary-glow), 0 0 20px var(--primary-glow);
}

/* 玻璃卡片 */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

/* 霓虹边框动画 */
.neon-border {
    position: relative;
}

.neon-border::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary);
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.neon-border:hover::before {
    opacity: 1;
    filter: blur(10px);
}

/* ==========================================
   Full Screen Map Section
   ========================================== */
.map-section {
    position: relative;
    width: 100%;
    height: 70vh;
    min-height: 500px;
    overflow: hidden;
}

.map-section iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: grayscale(10%) contrast(1.05);
}

.map-overlay {
    position: absolute;
    top: var(--space-8);
    left: var(--space-8);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    max-width: 380px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    z-index: 10;
}

.map-overlay h3 {
    font-size: var(--font-h4);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.map-overlay h3 i {
    color: var(--primary);
}

.map-overlay p {
    font-size: var(--font-body);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.map-overlay .contact-detail {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    font-size: var(--font-body-sm);
    color: var(--text-tertiary);
    border-bottom: 1px solid var(--border);
}

.map-overlay .contact-detail:last-child {
    border-bottom: none;
}

.map-overlay .contact-detail i {
    width: 24px;
    color: var(--primary);
}

.map-overlay .btn {
    margin-top: var(--space-6);
    width: 100%;
}

@media (max-width: 768px) {
    .map-section {
        height: 60vh;
    }

    .map-overlay {
        top: auto;
        bottom: var(--space-4);
        left: var(--space-4);
        right: var(--space-4);
        max-width: none;
        padding: var(--space-6);
    }
}

/* ==========================================
   Enhanced Icon Styling
   ========================================== */
.icon-box {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--bg-cool) 0%, var(--bg-warm) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--primary);
    margin-bottom: var(--space-5);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.icon-box-gradient {
    background: var(--gradient-primary);
    color: white;
    border: none;
}

/* ==========================================
   Visual Separator
   ========================================== */
.visual-separator {
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--border-light) 50%, transparent 100%);
    margin: var(--space-16) 0;
}

/* ==========================================
   Highlight Box
   ========================================== */
.highlight-box {
    background: linear-gradient(135deg, rgba(0, 81, 242, 0.05) 0%, rgba(94, 92, 230, 0.05) 100%);
    border: 1px solid rgba(0, 81, 242, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin: var(--space-8) 0;
}

.highlight-box h4 {
    color: var(--primary);
    font-size: var(--font-body);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.highlight-box p {
    color: var(--text-secondary);
    font-size: var(--font-body-sm);
    line-height: 1.6;
}

/* ==========================================
   Menu Design Gallery - Masonry/Waterfall Layout
   ========================================== */
.menu-gallery-section {
    padding: var(--space-24) 0;
    background: var(--bg-cool);
    overflow: hidden;
}

.menu-gallery-section .section-header {
    max-width: 1200px;
    margin: 0 auto var(--space-12);
    padding: 0 var(--space-6);
}

.masonry-gallery {
    column-count: 4;
    column-gap: var(--space-5);
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.masonry-item {
    break-inside: avoid;
    margin-bottom: var(--space-5);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-primary);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    position: relative;
    cursor: pointer;
}

.masonry-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-card-hover);
    z-index: 10;
}

.masonry-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.masonry-item:hover img {
    transform: scale(1.05);
}

.masonry-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-6) var(--space-5);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 60%, transparent 100%);
    opacity: 0;
    transition: var(--transition);
}

.masonry-item:hover .masonry-item-overlay {
    opacity: 1;
}

.masonry-item-overlay h4 {
    color: white;
    font-size: var(--font-body);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.masonry-item-overlay p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-body-sm);
    line-height: 1.5;
}

.masonry-item-tag {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--font-caption);
    font-weight: 500;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.gallery-cta {
    text-align: center;
    margin-top: var(--space-12);
    padding: 0 var(--space-6);
}

.gallery-cta p {
    font-size: var(--font-body-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

/* Responsive masonry */
@media (max-width: 1200px) {
    .masonry-gallery {
        column-count: 3;
    }
}

@media (max-width: 900px) {
    .masonry-gallery {
        column-count: 2;
    }
}

@media (max-width: 600px) {
    .masonry-gallery {
        column-count: 1;
        padding: 0 var(--space-4);
    }

    .menu-gallery-section {
        padding: var(--space-16) 0;
    }
}

/* Menu card placeholder styles (for CSS-only cards) */
.menu-design-card {
    break-inside: avoid;
    margin-bottom: var(--space-5);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-primary);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    position: relative;
}

.menu-design-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
}

.menu-design-preview {
    aspect-ratio: 3/4;
    background: linear-gradient(135deg, var(--bg-warm) 0%, var(--bg-cool) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    position: relative;
    overflow: hidden;
}

.menu-design-preview.tall {
    aspect-ratio: 2/3;
}

.menu-design-preview.wide {
    aspect-ratio: 4/3;
}

.menu-design-preview.square {
    aspect-ratio: 1/1;
}

.menu-design-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23000000' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.menu-preview-content {
    position: relative;
    z-index: 1;
    text-align: center;
    width: 100%;
}

.menu-preview-logo {
    font-size: 28px;
    margin-bottom: var(--space-4);
}

.menu-preview-title {
    font-size: var(--font-h4);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    letter-spacing: -0.02em;
}

.menu-preview-subtitle {
    font-size: var(--font-body-sm);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.menu-preview-items {
    margin-top: var(--space-6);
    text-align: left;
    background: rgba(255, 255, 255, 0.6);
    padding: var(--space-4);
    border-radius: var(--radius-sm);
}

.menu-preview-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) 0;
    border-bottom: 1px dashed var(--border);
    font-size: var(--font-body-sm);
}

.menu-preview-item:last-child {
    border-bottom: none;
}

.menu-preview-item .name {
    color: var(--text-primary);
    font-weight: 500;
}

.menu-preview-item .price {
    color: var(--primary);
    font-weight: 600;
}

.menu-design-info {
    padding: var(--space-5);
    background: var(--bg-primary);
}

.menu-design-info h4 {
    font-size: var(--font-body);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.menu-design-info p {
    font-size: var(--font-body-sm);
    color: var(--text-tertiary);
}

.menu-design-tags {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-3);
    flex-wrap: wrap;
}

.menu-design-tags span {
    padding: var(--space-1) var(--space-3);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    font-size: 11px;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* ==========================================
   Marketing Services Image Cards
   ========================================== */
.marketing-services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    max-width: 1200px;
    margin: 0 auto;
}

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

@media (max-width: 640px) {
    .marketing-services-grid {
        grid-template-columns: 1fr;
    }
}

.marketing-service-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.marketing-service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.marketing-service-image {
    height: 180px;
    position: relative;
    overflow: hidden;
}

.marketing-service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.marketing-service-card:hover .marketing-service-image img {
    transform: scale(1.08);
}

.marketing-service-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.3) 100%);
    pointer-events: none;
}

.marketing-service-icon {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    width: 48px;
    height: 48px;
    background: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: var(--shadow-md);
    z-index: 1;
}

.marketing-service-content {
    padding: var(--space-5);
}

.marketing-service-content h3 {
    font-size: var(--font-body);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    letter-spacing: -0.01em;
}

.marketing-service-content p {
    font-size: var(--font-body-sm);
    color: var(--text-tertiary);
    line-height: 1.6;
    margin: 0;
}

/* ==========================================
   Marketing Text-Only Cards
   ========================================== */
.marketing-text-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-10);
}

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

@media (max-width: 640px) {
    .marketing-text-grid {
        grid-template-columns: 1fr;
    }
}

.marketing-text-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.marketing-text-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.marketing-text-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-light) 0%, rgba(255, 107, 53, 0.15) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: var(--space-5);
}

.marketing-text-content h3 {
    font-size: var(--font-h5);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    letter-spacing: -0.01em;
}

.marketing-text-content p {
    font-size: var(--font-body-sm);
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0;
}