/* ============================================
   智锐 Token - 大模型 Token 销售平台样式
   ============================================ */

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

:root {
  --primary: #7C3AED;
  --primary-light: #A855F7;
  --primary-dark: #5B21B6;
  --blue: #0066FF;
  --blue-light: #00C8FF;
  --accent: #00E5FF;
  --dark: #0A0118;
  --dark-2: #14062E;
  --dark-3: #1F0F3A;
  --text: #1A1A2E;
  --text-2: #4B5563;
  --text-3: #9CA3AF;
  --border: #E5E7EB;
  --surface: #F9FAFB;
  --surface-2: #F3F4F6;
  --white: #FFFFFF;
  --gradient: linear-gradient(135deg, #7C3AED 0%, #0066FF 100%);
  --gradient-blue: linear-gradient(135deg, #0066FF 0%, #00C8FF 100%);
  --gradient-purple: linear-gradient(135deg, #7C3AED 0%, #EC4899 100%);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 32px rgba(124,58,237,0.10);
  --shadow-lg: 0 20px 60px rgba(124,58,237,0.15);
  --shadow-purple: 0 8px 32px rgba(124,58,237,0.30);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Source Han Sans CN', 'Noto Sans CJK SC', sans-serif;
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  background: var(--white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ============ 导航栏 ============ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all var(--transition);
  padding: 20px 0;
}

.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 20px rgba(0,0,0,0.08);
  padding: 12px 0;
}

.navbar-solid {
  background: rgba(10,1,24,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(124,58,237,0.2);
}

.nav-container {
  display: flex;
  align-items: center;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 1px;
}

.logo-sub {
  font-size: 9px;
  color: var(--text-3);
  letter-spacing: 2px;
  font-weight: 400;
}

.navbar:not(.scrolled):not(.navbar-solid) .logo-name,
.navbar:not(.scrolled):not(.navbar-solid) .btn-phone {
  color: white;
}

.navbar-solid .logo-name { color: white; }
.navbar-solid .logo-sub { color: rgba(255,255,255,0.5); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: all var(--transition);
  color: rgba(255,255,255,0.85);
}

.navbar.scrolled .nav-links a {
  color: var(--text-2);
}

.nav-links a:hover,
.nav-links a.active {
  background: rgba(124,58,237,0.15);
  color: white;
}

.navbar.scrolled .nav-links a:hover,
.navbar.scrolled .nav-links a.active {
  background: rgba(124,58,237,0.08);
  color: var(--primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--gradient);
  color: white;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 8px;
  transition: all var(--transition);
  box-shadow: var(--shadow-purple);
  border: none;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 40px rgba(124,58,237,0.4);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: all var(--transition);
}

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, #0A0118 0%, #14062E 40%, #1F0F3A 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124,58,237,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,58,237,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 30s linear infinite;
}

@keyframes gridMove {
  0% { transform: translateY(0); }
  100% { transform: translateY(60px); }
}

.hero-orbs {
  position: absolute;
  inset: 0;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
  animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #7C3AED 0%, transparent 70%);
  top: -100px;
  left: -100px;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #0066FF 0%, transparent 70%);
  bottom: -50px;
  right: -50px;
  animation-delay: -5s;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, #EC4899 0%, transparent 70%);
  top: 40%;
  left: 50%;
  animation-delay: -10s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(50px, -30px) scale(1.1); }
  66% { transform: translate(-30px, 50px) scale(0.95); }
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 60px 24px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  color: #C4B5FD;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
  animation: fadeInUp 0.6s ease;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-light);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 0 0 rgba(168,85,247,0.5); }
  50% { opacity: 0.7; transform: scale(1.3); box-shadow: 0 0 0 8px rgba(168,85,247,0); }
}

.hero-title {
  font-size: clamp(36px, 5vw, 68px);
  font-weight: 900;
  color: white;
  line-height: 1.15;
  margin-bottom: 24px;
  animation: fadeInUp 0.7s ease 0.1s both;
}

.text-gradient {
  background: linear-gradient(135deg, #A855F7, #00C8FF, #EC4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: clamp(15px, 1.6vw, 18px);
  color: rgba(255,255,255,0.7);
  max-width: 700px;
  margin-bottom: 36px;
  line-height: 1.8;
  animation: fadeInUp 0.7s ease 0.2s both;
}

.hero-desc strong {
  color: var(--primary-light);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
  animation: fadeInUp 0.7s ease 0.3s both;
  flex-wrap: wrap;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient);
  color: white;
  font-size: 16px;
  font-weight: 700;
  padding: 16px 32px;
  border-radius: 12px;
  transition: all var(--transition);
  box-shadow: 0 8px 32px rgba(124,58,237,0.4);
}

.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 48px rgba(124,58,237,0.5);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  color: rgba(255,255,255,0.85);
  font-size: 16px;
  font-weight: 600;
  padding: 16px 32px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.25);
  transition: all var(--transition);
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(10px);
}

.btn-hero-secondary:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.4);
  color: white;
}

/* Hero 代码块 */
.hero-code {
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 64px;
  max-width: 720px;
  animation: fadeInUp 0.7s ease 0.4s both;
  backdrop-filter: blur(10px);
}

.code-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

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

.code-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #FF5F56;
}

.code-dots span:nth-child(2) { background: #FFBD2E; }
.code-dots span:nth-child(3) { background: #27C93F; }

.code-title {
  color: rgba(255,255,255,0.5);
  font-size: 12px;
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, 'Courier New', monospace;
}

.code-body {
  padding: 20px 24px;
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
  overflow-x: auto;
  margin: 0;
}

.c-kw { color: #C084FC; }
.c-str { color: #86EFAC; }
.c-num { color: #FCA5A5; }
.c-cmt { color: #6B7280; font-style: italic; }
.c-fn { color: #93C5FD; }

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  animation: fadeInUp 0.7s ease 0.5s both;
}

.stat-item {
  padding: 0 32px;
  text-align: center;
}

.stat-item:first-child { padding-left: 0; }

.stat-num {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 900;
  color: white;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.12);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ 通用区块 ============ */
.section {
  padding: 96px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(124,58,237,0.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.section-tag.light {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.9);
}

.section-title {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-desc {
  font-size: 16px;
  color: var(--text-2);
  max-width: 600px;
  margin: 0 auto;
}

/* ============ 业务介绍 ============ */
.business {
  background: var(--white);
}

.business-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.intro-card {
  background: linear-gradient(135deg, #F9F5FF 0%, #EEF2FF 100%);
  border: 1px solid rgba(124,58,237,0.1);
  border-radius: var(--radius-xl);
  padding: 40px;
  height: 100%;
}

.intro-label {
  display: inline-block;
  background: var(--gradient);
  color: white;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.intro-card h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}

.intro-card p {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 24px;
}

.token-demo {
  background: white;
  border-radius: 16px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.token-line {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.t-text {
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, 'Courier New', monospace;
  font-size: 14px;
  color: var(--text);
  font-weight: 600;
  min-width: 100px;
}

.t-arrow {
  color: var(--text-3);
  font-size: 18px;
}

.t-tokens {
  display: flex;
  gap: 4px;
  flex: 1;
  flex-wrap: wrap;
}

.token-chip {
  background: linear-gradient(135deg, rgba(124,58,237,0.1), rgba(0,102,255,0.1));
  border: 1px solid rgba(124,58,237,0.2);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, 'Courier New', monospace;
  font-weight: 600;
}

.t-count {
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, 'Courier New', monospace;
  font-size: 13px;
  color: var(--text-2);
  font-weight: 600;
}

.business-services {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.service-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
}

.service-card:hover {
  border-color: rgba(124,58,237,0.3);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin-bottom: 14px;
}

.svc-1 { background: var(--gradient); }
.svc-2 { background: var(--gradient-blue); }
.svc-3 { background: var(--gradient-purple); }
.svc-4 { background: linear-gradient(135deg, #FF6B35, #FF9800); }

.service-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.service-card p {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
}

/* 业务流程 */
.business-flow {
  background: linear-gradient(135deg, #14062E 0%, #1F0F3A 100%);
  border-radius: var(--radius-xl);
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.business-flow::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(124,58,237,0.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(124,58,237,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

.flow-header {
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  z-index: 1;
}

.flow-header h3 {
  font-size: 26px;
  font-weight: 700;
  color: white;
  margin-bottom: 8px;
}

.flow-header p {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
}

.flow-steps {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  position: relative;
  z-index: 1;
}

.flow-step {
  flex: 1;
  text-align: center;
  position: relative;
}

.step-num {
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, 'Courier New', monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-light);
  margin-bottom: 12px;
}

.step-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  transition: all var(--transition);
}

.flow-step:hover .step-icon {
  background: var(--gradient);
  color: white;
  border-color: transparent;
  transform: scale(1.05);
}

.flow-step h5 {
  font-size: 16px;
  font-weight: 700;
  color: white;
  margin-bottom: 6px;
}

.flow-step p {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}

.flow-line {
  flex: 0 0 60px;
  height: 2px;
  background: linear-gradient(to right, rgba(124,58,237,0.5), rgba(0,102,255,0.5));
  margin-top: 60px;
  position: relative;
}

.flow-line::after {
  content: '→';
  position: absolute;
  right: -8px;
  top: -10px;
  color: var(--primary-light);
  font-size: 16px;
}

/* ============ 大模型类型 ============ */
.models {
  background: var(--surface);
}

.model-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.model-tab {
  background: white;
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 100px;
  transition: all var(--transition);
}

.model-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.model-tab.active {
  background: var(--gradient);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-purple);
}

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

.model-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

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

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

.model-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.model-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  position: relative;
}

.model-logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.model-header h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  flex: 1;
}

.model-vendor {
  display: block;
  font-size: 12px;
  color: var(--text-3);
  font-weight: 400;
  margin-top: 2px;
}

.model-tag {
  position: absolute;
  top: -8px;
  right: -8px;
  font-size: 10px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.5px;
}

.tag-hot {
  background: linear-gradient(135deg, #FF6B35, #FF9800);
  color: white;
}

.tag-new {
  background: linear-gradient(135deg, #10B981, #059669);
  color: white;
}

.model-desc {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 16px;
  min-height: 60px;
}

.model-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}

.spec {
  text-align: center;
}

.spec span {
  display: block;
  font-size: 11px;
  color: var(--text-3);
  margin-bottom: 4px;
}

.spec strong {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, 'Courier New', monospace;
}

.model-features {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.model-features span {
  font-size: 11px;
  color: var(--primary);
  background: rgba(124,58,237,0.08);
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 500;
}

.models-more {
  text-align: center;
  margin-top: 48px;
  padding: 32px;
  background: linear-gradient(135deg, rgba(124,58,237,0.05), rgba(0,102,255,0.05));
  border-radius: var(--radius-lg);
}

.models-more p {
  color: var(--text-2);
  font-size: 14px;
  margin-bottom: 16px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: white;
  color: var(--primary);
  border: 1.5px solid var(--primary);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 8px;
  transition: all var(--transition);
}

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

/* ============ 应用场景 ============ */
.scenarios {
  background: linear-gradient(135deg, #0A0118 0%, #14062E 60%, #1F0F3A 100%);
  overflow: hidden;
}

.scenarios-bg {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 30%, rgba(124,58,237,0.15) 0%, transparent 50%),
                    radial-gradient(circle at 80% 70%, rgba(0,102,255,0.15) 0%, transparent 50%);
}

.scenarios .section-title {
  color: white;
}

.scenarios .section-desc {
  color: rgba(255,255,255,0.6);
}

.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
  z-index: 1;
}

.scenario-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
  backdrop-filter: blur(10px);
}

.scenario-card:hover {
  background: rgba(124,58,237,0.12);
  border-color: rgba(124,58,237,0.4);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(124,58,237,0.2);
}

.scenario-icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.scenario-body h4 {
  font-size: 16px;
  font-weight: 700;
  color: white;
  margin-bottom: 8px;
}

.scenario-body p {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  margin-bottom: 14px;
}

.scenario-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.meta-tag {
  font-size: 11px;
  color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.08);
  padding: 3px 8px;
  border-radius: 4px;
}

.scenario-cost {
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
}

.cost-label {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
}

.cost-value {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-light);
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, 'Courier New', monospace;
}

/* ============ 价格方案 ============ */
.pricing {
  background: var(--white);
}

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

.price-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  transition: all var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.price-card:hover {
  border-color: rgba(124,58,237,0.3);
  box-shadow: var(--shadow-md);
}

.price-featured {
  background: linear-gradient(135deg, #14062E 0%, #1F0F3A 100%);
  color: white;
  border: none;
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.price-featured:hover {
  transform: scale(1.05) translateY(-4px);
}

.price-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #FF6B35, #FF9800);
  color: white;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 100px;
  box-shadow: 0 4px 12px rgba(255,107,53,0.4);
}

.price-header {
  margin-bottom: 24px;
}

.price-header h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text);
}

.price-featured .price-header h3 {
  color: white;
}

.price-header p {
  font-size: 13px;
  color: var(--text-3);
}

.price-featured .price-header p {
  color: rgba(255,255,255,0.6);
}

.price-amount {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 12px;
}

.currency {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.price-featured .currency { color: white; }

.amount {
  font-size: 42px;
  font-weight: 900;
  color: var(--text);
  line-height: 1;
}

.price-featured .amount { color: white; }

.period {
  font-size: 14px;
  color: var(--text-3);
}

.price-featured .period { color: rgba(255,255,255,0.5); }

.price-tokens {
  background: rgba(124,58,237,0.06);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.price-featured .price-tokens {
  background: rgba(255,255,255,0.06);
}

.tokens-num {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, 'Courier New', monospace;
}

.price-featured .tokens-num {
  color: var(--primary-light);
}

.tokens-label {
  font-size: 12px;
  color: var(--text-3);
}

.price-featured .tokens-label {
  color: rgba(255,255,255,0.5);
}

.price-features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.price-features li {
  font-size: 13px;
  color: var(--text-2);
  padding-left: 22px;
  position: relative;
}

.price-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  width: 16px;
  height: 16px;
  background: rgba(124,58,237,0.1);
  color: var(--primary);
  border-radius: 50%;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.price-featured .price-features li {
  color: rgba(255,255,255,0.85);
}

.price-featured .price-features li::before {
  background: rgba(168,85,247,0.2);
  color: var(--primary-light);
}

.btn-price {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.btn-price:hover {
  background: var(--gradient);
  color: white;
  border-color: transparent;
}

.btn-price-featured {
  background: var(--gradient);
  color: white;
  border: none;
  box-shadow: var(--shadow-purple);
}

.btn-price-featured:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(124,58,237,0.4);
}

/* ============ 价格方案：双卡布局 ============ */
.pricing-grid-2 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 880px;
  margin: 0 auto;
  gap: 28px;
}

.pricing-grid-2 .price-card {
  padding: 40px 36px;
}

.pricing-grid-2 .price-featured {
  transform: none;
}

.pricing-grid-2 .price-featured:hover {
  transform: translateY(-4px);
}

.pricing-grid-2 .amount {
  font-size: 48px;
}

/* ============ 场景成本说明 ============ */
.scenarios-note {
  margin-top: 28px;
  padding: 18px 22px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
}

.scenarios-note p {
  font-size: 12px;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
  margin: 0;
}

/* ============ 价格附加说明 ============ */
.pricing-extra {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.pricing-extra-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 22px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: all var(--transition);
}

.pricing-extra-item:hover {
  border-color: rgba(124,58,237,0.3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.pricing-extra-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, rgba(124,58,237,0.15), rgba(168,85,247,0.15));
  color: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pricing-extra-item h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.pricing-extra-item p {
  font-size: 12px;
  color: var(--text-3);
  line-height: 1.6;
  margin: 0;
}

/* ============ 联系我们 ============ */
.contact {
  background: linear-gradient(135deg, #0A0118 0%, #14062E 60%, #1F0F3A 100%);
}

.contact-bg {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 30% 50%, rgba(124,58,237,0.15) 0%, transparent 60%);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
  align-items: start;
  position: relative;
  z-index: 1;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.contact-title {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800;
  color: white;
  margin: 12px 0 16px;
  line-height: 1.2;
}

.contact-desc {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-points {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 36px;
}

.contact-point {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.8);
  font-size: 14px;
}

.cp-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(168,85,247,0.2);
  border: 1px solid rgba(168,85,247,0.4);
  color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

.contact-channel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.channel-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.channel-item:hover {
  background: rgba(124,58,237,0.15);
  border-color: rgba(124,58,237,0.4);
}

.channel-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(124,58,237,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  flex-shrink: 0;
}

.channel-label {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

.channel-value {
  font-size: 15px;
  font-weight: 700;
  color: white;
}

/* 联系我们：横向并排、靠右侧布局（关于页） */
.contact-layout-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 72px;
  max-width: 1160px;
}

.contact-intro {
  flex: 0 1 420px;
  text-align: left;
}

.contact-layout-row .contact-channel {
  flex: 1 1 560px;
  gap: 16px;
}

/* 联系表单 */
.contact-form-wrap {
  background: white;
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.3);
}

.contact-form h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: var(--surface);
  transition: all var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}

.form-group textarea {
  height: 90px;
  resize: none;
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.checkbox-item input[type="checkbox"] {
  width: auto;
  padding: 0;
  accent-color: var(--primary);
  cursor: pointer;
  display: none;
}

.checkbox-item span {
  font-size: 13px;
  color: var(--text-2);
  padding: 6px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: all var(--transition);
}

.checkbox-item input:checked + span {
  background: rgba(124,58,237,0.08);
  border-color: var(--primary);
  color: var(--primary);
}

.btn-submit {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gradient);
  color: white;
  font-size: 15px;
  font-weight: 700;
  padding: 16px;
  border-radius: 12px;
  border: none;
  transition: all var(--transition);
  box-shadow: var(--shadow-purple);
  margin-top: 8px;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(124,58,237,0.4);
}

.form-privacy {
  font-size: 11px;
  color: var(--text-3);
  text-align: center;
  margin-top: 12px;
}

/* ============ 页脚 ============ */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.6);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 2fr auto;
  gap: 48px;
  padding: 64px 0 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer .logo-name { color: white; }

.footer-brand-desc {
  font-size: 13px;
  line-height: 1.7;
  margin: 16px 0 24px;
  max-width: 260px;
}

.footer-social {
  display: flex;
  gap: 8px;
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  transition: all var(--transition);
}

.social-link:hover {
  background: var(--gradient);
  border-color: var(--primary);
  color: white;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h5 {
  font-size: 14px;
  font-weight: 700;
  color: white;
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}

.footer-col ul a:hover {
  color: white;
}

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

.qr-placeholder {
  margin-bottom: 10px;
}

.qr-label {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  font-weight: 600;
}

.qr-sublabel {
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  margin-top: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 13px;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-legal {
  display: flex;
  gap: 20px;
}

.footer-legal a {
  color: rgba(255,255,255,0.4);
  font-size: 12px;
  transition: color var(--transition);
}

.footer-legal a:hover {
  color: rgba(255,255,255,0.7);
}

/* ============ 悬浮按钮 ============ */
.float-actions {
  position: fixed;
  right: 24px;
  bottom: 80px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 999;
}

.float-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  box-shadow: var(--shadow-md);
}

.float-phone {
  background: var(--gradient);
  color: white;
}

.float-chat {
  background: white;
  color: var(--primary);
  border: 1px solid var(--border);
}

.float-top {
  background: white;
  color: var(--text-2);
  border: 1px solid var(--border);
}

.float-btn:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

/* ============ 弹窗 ============ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,1,24,0.6);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.modal-box {
  background: white;
  border-radius: 24px;
  padding: 48px 40px;
  max-width: 400px;
  width: 90%;
  text-align: center;
  animation: modalIn 0.3s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.9) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--gradient);
  color: white;
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.modal-box h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.modal-box p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 28px;
}

.modal-box p strong {
  color: var(--primary);
}

.modal-close {
  background: var(--gradient);
  color: white;
  border: none;
  border-radius: 12px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
}

.modal-close:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-purple);
}

/* ============ 案例页样式 ============ */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, #0A0118 0%, #14062E 40%, #1F0F3A 100%);
  padding: 140px 0 80px;
  overflow: hidden;
}

.page-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.page-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  color: white;
  line-height: 1.2;
  margin-bottom: 16px;
}

.page-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.65);
  max-width: 600px;
  margin: 0 auto 48px;
}

.page-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.ps-item {
  padding: 0 32px;
  text-align: center;
}

.ps-num {
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 900;
  color: white;
  line-height: 1;
  margin-bottom: 6px;
}

.ps-label {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

.ps-divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.12);
}

/* 案例筛选 */
.cases-filter-section {
  background: white;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
}

.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-tab {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 100px;
  transition: all var(--transition);
}

.filter-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-tab.active {
  background: var(--gradient);
  color: white;
  border-color: transparent;
}

/* 案例列表 */
.cases-list-section {
  padding: 64px 0;
  background: var(--surface);
}

.cases-list {
  display: flex;
  flex-direction: column;
  gap: 48px;
  margin-bottom: 64px;
}

.case-detail {
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.case-detail:hover {
  box-shadow: var(--shadow-md);
}

.case-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.case-detail-grid.reverse {
  direction: rtl;
}

.case-detail-grid.reverse > * {
  direction: ltr;
}

.case-detail-info {
  padding: 48px;
}

.case-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.case-tag {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(124,58,237,0.08);
  color: var(--primary);
}

.case-detail-info h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.3;
}

.case-summary {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 24px;
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.meta-label {
  font-size: 11px;
  color: var(--text-3);
}

.meta-value {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.case-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.result-item {
  background: linear-gradient(135deg, rgba(124,58,237,0.05), rgba(0,102,255,0.05));
  border-radius: 12px;
  padding: 16px;
  text-align: center;
}

.result-num {
  font-size: 22px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, 'Courier New', monospace;
}

.result-label {
  font-size: 12px;
  color: var(--text-2);
}

.case-quote {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  font-style: italic;
  padding-left: 16px;
  border-left: 3px solid var(--primary);
  margin-bottom: 8px;
}

.case-quote-author {
  font-size: 13px;
  color: var(--text-3);
  font-weight: 600;
}

/* 案例可视化 */
.case-detail-visual {
  background: linear-gradient(135deg, #14062E 0%, #1F0F3A 100%);
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 400px;
}

.case-mockup {
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: 16px;
  overflow: hidden;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

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

.mockup-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #FF5F56;
}

.mockup-dots span:nth-child(2) { background: #FFBD2E; }
.mockup-dots span:nth-child(3) { background: #27C93F; }

.mockup-title {
  color: rgba(255,255,255,0.5);
  font-size: 11px;
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, 'Courier New', monospace;
}

.mockup-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 400px;
  overflow-y: auto;
}

.mockup-body.code-mockup {
  padding: 16px;
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.7;
  color: rgba(255,255,255,0.85);
}

.mockup-body.code-mockup pre {
  margin: 0;
  white-space: pre-wrap;
}

/* 聊天 mockup */
.msg {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.msg-user .msg-avatar {
  background: rgba(0,102,255,0.2);
  color: var(--blue-light);
}

.msg-bot .msg-avatar {
  background: var(--gradient);
  color: white;
}

.msg-bubble {
  background: rgba(255,255,255,0.08);
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.9);
  line-height: 1.6;
}

.msg-bubble code {
  background: rgba(124,58,237,0.2);
  color: var(--primary-light);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, 'Courier New', monospace;
  font-size: 12px;
}

.msg-bubble strong {
  color: var(--primary-light);
}

/* 文案生成 mockup */
.gen-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 14px;
}

.gen-best {
  background: rgba(16,185,129,0.08);
  border-color: rgba(16,185,129,0.3);
}

.gen-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-light);
  margin-bottom: 6px;
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, 'Courier New', monospace;
}

.gen-best .gen-title { color: #34D399; }

.gen-text {
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  line-height: 1.6;
  margin-bottom: 8px;
}

.gen-meta {
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, 'Courier New', monospace;
}

/* Agent 流程 mockup */
.agent-flow {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.agent-step {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 12px 14px;
}

.step-icon {
  font-size: 24px;
}

.step-name {
  font-size: 13px;
  font-weight: 600;
  color: white;
}

.step-desc {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, 'Courier New', monospace;
}

.agent-arrow {
  text-align: center;
  color: var(--primary-light);
  font-size: 16px;
}

/* 客户 Logo 墙 */
.partners-section {
  margin-top: 64px;
  text-align: center;
}

.partners-title {
  font-size: 14px;
  color: var(--text-3);
  margin-bottom: 24px;
  font-weight: 500;
}

.partners-track {
  overflow: hidden;
  position: relative;
}

.partners-track::before,
.partners-track::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 2;
}

.partners-track::before {
  left: 0;
  background: linear-gradient(to right, var(--surface), transparent);
}

.partners-track::after {
  right: 0;
  background: linear-gradient(to left, var(--surface), transparent);
}

.partners-logos {
  display: flex;
  gap: 24px;
  animation: scrollLogos 30s linear infinite;
}

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

.partner-logo {
  flex-shrink: 0;
  background: white;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 24px;
  font-size: 13px;
  color: var(--text-3);
  font-weight: 500;
  white-space: nowrap;
}

/* CTA 区 */
.cta-section {
  background: var(--surface);
  padding: 80px 0;
}

.cta-box {
  background: linear-gradient(135deg, #14062E 0%, #1F0F3A 50%, #2D1B4E 100%);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 50%, rgba(124,58,237,0.2) 0%, transparent 50%),
                    radial-gradient(circle at 80% 50%, rgba(0,102,255,0.2) 0%, transparent 50%);
}

.cta-content {
  position: relative;
  z-index: 1;
  margin-bottom: 32px;
}

.cta-content h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  color: white;
  margin-bottom: 12px;
  line-height: 1.2;
}

.cta-content p {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
}

.cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .business-layout {
    grid-template-columns: 1fr;
  }

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

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .pricing-grid-2 {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

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

  .price-featured {
    transform: none;
  }

  .price-featured:hover {
    transform: translateY(-4px);
  }

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

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .case-detail-grid,
  .case-detail-grid.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .case-detail-info {
    padding: 32px;
  }

  .case-detail-visual {
    min-height: 300px;
  }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }

  .contact-layout {
    margin-left: 0;
    margin-right: 0;
    max-width: none;
  }

  .contact-layout-row {
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 40px;
  }

  .contact-intro {
    flex: none;
    text-align: left;
  }

  .contact-layout-row .contact-channel {
    flex: none;
  }

  .nav-links,
  .nav-actions {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero-content {
    padding: 40px 20px;
  }

  .hero-code {
    margin-bottom: 40px;
  }

  .hero-stats {
    gap: 0;
  }

  .stat-item { padding: 0 16px; }
  .stat-divider { height: 30px; }

  .business-services {
    grid-template-columns: 1fr;
  }

  .business-flow {
    padding: 32px 24px;
  }

  .flow-steps {
    flex-direction: column;
    gap: 24px;
  }

  .flow-line {
    width: 2px;
    height: 30px;
    flex: 0 0 auto;
    margin: 0;
    transform: rotate(90deg);
  }

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

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

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

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

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

  .case-results {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .result-item {
    padding: 12px 8px;
  }

  .result-num {
    font-size: 18px;
  }

  .case-detail-info {
    padding: 24px;
  }

  .case-meta {
    gap: 16px;
  }

  .page-stats {
    gap: 0;
  }

  .ps-item {
    padding: 0 16px;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-hero-primary,
  .btn-hero-secondary {
    justify-content: center;
  }

  .stat-item {
    padding: 0 10px;
  }

  .stat-num {
    font-size: 22px;
  }

  .stat-label {
    font-size: 11px;
  }

  .code-body {
    font-size: 11px;
  }

  .filter-tabs {
    overflow-x: auto;
    justify-content: flex-start;
    padding: 0 16px;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .case-results {
    grid-template-columns: 1fr;
  }

  .cta-box {
    padding: 40px 24px;
  }
}