/* ============================================
   影视AI工坊 - 主样式表
   CSS前缀: ai-
   设计风格: 未来科技赛博风
   ============================================ */

/* === Google Fonts 本地化替代 === */
@font-face {
  font-family: 'Orbitron';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: local('Orbitron Regular'), local('Orbitron-Regular');
}
@font-face {
  font-family: 'Orbitron';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: local('Orbitron Bold'), local('Orbitron-Bold');
}

/* === CSS Variables === */
:root {
  --ai-primary: #4F00BC;
  --ai-secondary: #A855F7;
  --ai-accent: #00F6FF;
  --ai-text: #E5E7EB;
  --ai-link: #A855F7;
  --ai-bg-dark: #0a0015;
  --ai-bg-card: rgba(79, 0, 188, 0.12);
  --ai-glass-bg: rgba(79, 0, 188, 0.15);
  --ai-glass-border: rgba(168, 85, 247, 0.3);
  --ai-glow-purple: 0 0 20px rgba(168, 85, 247, 0.4);
  --ai-glow-cyan: 0 0 20px rgba(0, 246, 255, 0.4);
  --ai-font-heading: 'Orbitron', 'Rajdhani', 'Noto Sans SC', sans-serif;
  --ai-font-body: 'Roboto', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --ai-radius: 12px;
  --ai-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--ai-font-body);
  color: var(--ai-text);
  background-color: var(--ai-bg-dark);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

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

a:hover {
  color: var(--ai-accent);
  text-shadow: 0 0 8px rgba(0, 246, 255, 0.5);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--ai-font-heading);
  color: #fff;
  line-height: 1.3;
}

/* === 干扰标签隐藏 === */
.neural-jammer-block {
  display: none !important;
}

/* === 容器 === */
.ai-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px;
}

/* === 导航栏 === */
#ai-header {
  width: 100%;
  z-index: 100;
  background: rgba(10, 0, 21, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--ai-glass-border);
  transition: var(--ai-transition);
}

.ai-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 20px;
  max-width: 1440px;
  margin: 0 auto;
}

.ai-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.ai-logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ai-primary), var(--ai-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--ai-glow-purple);
  position: relative;
  overflow: hidden;
}

.ai-logo-icon::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--ai-accent);
  border-radius: 50%;
  animation: ai-pulse-ring 2s ease-in-out infinite;
}

.ai-logo-icon::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--ai-accent);
  border-radius: 50%;
  box-shadow: var(--ai-glow-cyan);
}

@keyframes ai-pulse-ring {
  0%, 100% { transform: scale(0.8); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.5; }
}

.sp-logo-text {
  font-family: var(--ai-font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 1px;
  text-shadow: 0 0 10px rgba(168, 85, 247, 0.5);
}

.ai-nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
  align-items: center;
}

.ai-nav-links li a {
  display: block;
  padding: 8px 16px;
  color: var(--ai-text);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 8px;
  position: relative;
  transition: var(--ai-transition);
}

.ai-nav-links li a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--ai-accent);
  transition: width 0.3s ease;
  box-shadow: var(--ai-glow-cyan);
}

.ai-nav-links li a:hover {
  color: var(--ai-accent);
  background: rgba(0, 246, 255, 0.05);
}

.ai-nav-links li a:hover::after {
  width: 60%;
}

/* === 汉堡菜单 === */
.ai-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  z-index: 200;
}

.ai-hamburger span {
  width: 28px;
  height: 2px;
  background: var(--ai-accent);
  transition: var(--ai-transition);
  box-shadow: var(--ai-glow-cyan);
}

.ai-hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.ai-hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* === 移动端导航菜单 === */
.ai-mobile-menu {
  position: fixed;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100vh;
  background: rgba(10, 0, 21, 0.97);
  backdrop-filter: blur(30px);
  z-index: 150;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 20px;
  transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.ai-mobile-menu.active {
  left: 0;
}

.ai-mobile-menu a {
  font-size: 1.5rem;
  font-family: var(--ai-font-heading);
  color: var(--ai-text);
  padding: 12px 30px;
  border: 1px solid transparent;
  border-radius: var(--ai-radius);
  transition: var(--ai-transition);
}

.ai-mobile-menu a:hover {
  color: var(--ai-accent);
  border-color: var(--ai-glass-border);
  background: var(--ai-glass-bg);
  box-shadow: var(--ai-glow-purple);
}

/* === Hero 创世引擎 === */
.ai-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--ai-bg-dark) 0%, #1a0040 50%, var(--ai-bg-dark) 100%);
}

.ai-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.ai-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.ai-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(10,0,21,0.3) 0%, rgba(10,0,21,0.8) 100%);
  z-index: 2;
}

.ai-hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 40px 20px;
  max-width: 900px;
}

.ai-hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, var(--ai-secondary) 50%, var(--ai-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: ai-text-glow 3s ease-in-out infinite alternate;
}

@keyframes ai-text-glow {
  0% { filter: drop-shadow(0 0 10px rgba(168, 85, 247, 0.3)); }
  100% { filter: drop-shadow(0 0 20px rgba(0, 246, 255, 0.5)); }
}

.ai-hero-slogan {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--ai-text);
  margin-bottom: 15px;
  opacity: 0.9;
  line-height: 1.8;
}

.ai-hero-desc {
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: rgba(229, 231, 235, 0.7);
  margin-bottom: 40px;
  line-height: 1.8;
}

/* === 通用按钮 === */
.ai-btn {
  display: inline-block;
  padding: 14px 36px;
  font-family: var(--ai-font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--ai-primary), var(--ai-secondary));
  border: 1px solid var(--ai-glass-border);
  border-radius: var(--ai-radius);
  cursor: pointer;
  transition: var(--ai-transition);
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
  overflow: hidden;
}

.ai-btn::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0,246,255,0.15) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.ai-btn:hover {
  color: #fff;
  box-shadow: var(--ai-glow-purple), var(--ai-glow-cyan);
  transform: translateY(-2px);
}

.ai-btn:hover::before {
  opacity: 1;
}

.ai-btn-outline {
  background: transparent;
  border: 2px solid var(--ai-secondary);
  color: var(--ai-secondary);
}

.ai-btn-outline:hover {
  background: var(--ai-glass-bg);
  color: #fff;
}

/* === 通用模块 === */
.ai-section {
  padding: 80px 0;
  position: relative;
}

.ai-section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  text-align: center;
  margin-bottom: 15px;
  color: var(--ai-accent);
  font-family: var(--ai-font-heading);
  letter-spacing: 2px;
}

.ai-section-subtitle {
  text-align: center;
  color: rgba(229, 231, 235, 0.7);
  font-size: 1rem;
  max-width: 700px;
  margin: 0 auto 50px;
  line-height: 1.8;
}

/* === 玻璃拟态卡片 === */
.ai-card {
  background: var(--ai-glass-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid var(--ai-glass-border);
  border-radius: var(--ai-radius);
  padding: 30px;
  transition: var(--ai-transition);
  position: relative;
  overflow: hidden;
}

.ai-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--ai-secondary), var(--ai-accent), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.ai-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--ai-glow-purple);
  border-color: var(--ai-secondary);
}

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

.ai-card-img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 20px;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.ai-card-title {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: #fff;
}

.ai-card-text {
  color: rgba(229, 231, 235, 0.7);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* === 灵感矩阵 === */
.ai-inspiration-matrix {
  background: linear-gradient(180deg, var(--ai-bg-dark) 0%, #0d001f 100%);
}

.ai-matrix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 25px;
}

/* === 算法商店 === */
.ai-algorithm-store {
  background: var(--ai-bg-dark);
}

.ai-algo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 30px;
}

.ai-algo-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ai-primary), var(--ai-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  box-shadow: var(--ai-glow-purple);
}

/* === 数字人秀场 === */
.ai-digital-showcase {
  background: linear-gradient(180deg, #0d001f 0%, var(--ai-bg-dark) 100%);
}

.ai-showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 30px;
}

.ai-showcase-card {
  text-align: center;
}

.ai-showcase-card img {
  border-radius: var(--ai-radius);
  aspect-ratio: 3/4;
  object-fit: cover;
  margin-bottom: 15px;
  border: 2px solid var(--ai-glass-border);
  transition: var(--ai-transition);
}

.ai-showcase-card:hover img {
  border-color: var(--ai-accent);
  box-shadow: var(--ai-glow-cyan);
}

/* === 技术奇点 === */
.ai-tech-singularity {
  background: var(--ai-bg-dark);
}

.ai-blog-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ai-blog-item {
  display: flex;
  gap: 20px;
  padding: 20px;
  background: var(--ai-glass-bg);
  border: 1px solid var(--ai-glass-border);
  border-radius: var(--ai-radius);
  transition: var(--ai-transition);
  align-items: center;
}

.ai-blog-item:hover {
  border-color: var(--ai-secondary);
  box-shadow: var(--ai-glow-purple);
}

.ai-blog-item img {
  width: 200px;
  min-width: 200px;
  height: 130px;
  object-fit: cover;
  border-radius: 8px;
}

.ai-blog-meta {
  font-size: 0.8rem;
  color: var(--ai-secondary);
  margin-bottom: 8px;
  font-family: var(--ai-font-heading);
}

.ai-blog-title {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.ai-blog-excerpt {
  color: rgba(229, 231, 235, 0.6);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* === 未来导演计划 === */
.ai-future-director {
  background: linear-gradient(180deg, var(--ai-bg-dark) 0%, #0d001f 100%);
}

.ai-director-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.ai-director-content img {
  border-radius: var(--ai-radius);
  border: 1px solid var(--ai-glass-border);
}

/* === API接入 === */
.ai-api-section {
  background: var(--ai-bg-dark);
}

.ai-api-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.ai-code-block {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--ai-glass-border);
  border-radius: var(--ai-radius);
  padding: 25px;
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 0.85rem;
  color: var(--ai-accent);
  overflow-x: auto;
  line-height: 1.6;
}

.ai-code-block .ai-code-comment {
  color: rgba(229, 231, 235, 0.4);
}

.ai-code-block .ai-code-keyword {
  color: var(--ai-secondary);
}

.ai-code-block .ai-code-string {
  color: #7dd3fc;
}

/* === 客户证言 === */
.ai-testimonials {
  background: linear-gradient(180deg, #0d001f 0%, var(--ai-bg-dark) 100%);
}

.ai-testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 25px;
}

.ai-testimonial-card {
  padding: 30px;
  background: var(--ai-glass-bg);
  border: 1px solid var(--ai-glass-border);
  border-radius: var(--ai-radius);
  position: relative;
}

.ai-testimonial-card::before {
  content: '\201C';
  font-size: 4rem;
  color: var(--ai-secondary);
  opacity: 0.3;
  position: absolute;
  top: 10px;
  left: 20px;
  font-family: serif;
  line-height: 1;
}

.ai-testimonial-text {
  font-style: italic;
  color: rgba(229, 231, 235, 0.8);
  margin-bottom: 20px;
  line-height: 1.7;
  padding-top: 20px;
}

.ai-testimonial-author {
  font-weight: 600;
  color: var(--ai-accent);
  font-size: 0.9rem;
}

.ai-testimonial-role {
  color: rgba(229, 231, 235, 0.5);
  font-size: 0.8rem;
}

/* === 合作伙伴 === */
.ai-partners {
  background: var(--ai-bg-dark);
}

.ai-partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 30px;
  align-items: center;
  justify-items: center;
}

.ai-partner-item {
  padding: 20px 30px;
  background: var(--ai-glass-bg);
  border: 1px solid var(--ai-glass-border);
  border-radius: var(--ai-radius);
  font-family: var(--ai-font-heading);
  font-size: 0.9rem;
  color: rgba(229, 231, 235, 0.6);
  text-align: center;
  transition: var(--ai-transition);
  width: 100%;
}

.ai-partner-item:hover {
  border-color: var(--ai-secondary);
  color: var(--ai-accent);
  box-shadow: var(--ai-glow-purple);
}

/* === CTA 立即体验 === */
.ai-cta {
  background: linear-gradient(135deg, var(--ai-primary) 0%, #1a0040 50%, var(--ai-primary) 100%);
  text-align: center;
  padding: 100px 20px;
  position: relative;
  overflow: hidden;
}

.ai-cta::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.15) 0%, transparent 70%);
  animation: ai-cta-pulse 4s ease-in-out infinite;
}

@keyframes ai-cta-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
  50% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
}

.ai-cta-content {
  position: relative;
  z-index: 2;
}

.ai-cta h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin-bottom: 20px;
}

.ai-cta p {
  font-size: 1.1rem;
  color: rgba(229, 231, 235, 0.8);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

.ai-cta .ai-btn {
  font-size: 1.2rem;
  padding: 18px 50px;
  animation: ai-btn-glow 2s ease-in-out infinite alternate;
}

@keyframes ai-btn-glow {
  0% { box-shadow: 0 0 20px rgba(168, 85, 247, 0.4); }
  100% { box-shadow: 0 0 40px rgba(168, 85, 247, 0.8), 0 0 60px rgba(0, 246, 255, 0.3); }
}

/* === 页脚 === */
#ai-footer {
  background: linear-gradient(180deg, var(--ai-bg-dark) 0%, #050010 100%);
  border-top: 1px solid var(--ai-glass-border);
  padding: 60px 0 30px;
  position: relative;
  overflow: hidden;
}

.ai-footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.ai-footer-col h4 {
  font-family: var(--ai-font-heading);
  font-size: 1rem;
  color: var(--ai-accent);
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.ai-footer-col ul {
  list-style: none;
}

.ai-footer-col ul li {
  margin-bottom: 10px;
}

.ai-footer-col ul li a {
  color: rgba(229, 231, 235, 0.6);
  font-size: 0.9rem;
  transition: var(--ai-transition);
}

.ai-footer-col ul li a:hover {
  color: var(--ai-accent);
}

.ai-footer-social {
  display: flex;
  gap: 15px;
}

.ai-footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--ai-glass-border);
  color: var(--ai-text);
  font-size: 0.8rem;
  transition: var(--ai-transition);
}

.ai-footer-social a:hover {
  border-color: var(--ai-accent);
  color: var(--ai-accent);
  box-shadow: var(--ai-glow-cyan);
}

.ai-footer-bottom {
  border-top: 1px solid rgba(168, 85, 247, 0.15);
  padding-top: 25px;
  text-align: center;
}

.ai-footer-bottom p {
  color: rgba(229, 231, 235, 0.4);
  font-size: 0.8rem;
  margin-bottom: 8px;
  line-height: 1.8;
}

.ai-footer-bottom a {
  color: rgba(229, 231, 235, 0.5);
  font-size: 0.8rem;
}

.ai-footer-honor {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(229, 231, 235, 0.5);
  font-size: 0.8rem;
  margin-top: 8px;
}

.ai-footer-honor svg {
  width: 16px;
  height: 16px;
  fill: var(--ai-secondary);
}

/* === 内页通用 === */
.ai-page-hero {
  padding: 120px 20px 60px;
  text-align: center;
  background: linear-gradient(135deg, var(--ai-bg-dark) 0%, #1a0040 50%, var(--ai-bg-dark) 100%);
  position: relative;
  overflow: hidden;
}

.ai-page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, rgba(79, 0, 188, 0.2) 0%, transparent 70%);
}

.ai-page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  position: relative;
  z-index: 2;
  background: linear-gradient(135deg, #fff, var(--ai-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 15px;
}

.ai-page-hero p {
  position: relative;
  z-index: 2;
  color: rgba(229, 231, 235, 0.7);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.8;
}

.ai-page-content {
  padding: 60px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

/* === AI工作台 === */
.ai-workbench-container {
  background: #0a0015;
  border: 1px solid var(--ai-glass-border);
  border-radius: var(--ai-radius);
  overflow: hidden;
  margin: 30px 0;
}

.ai-wb-tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.5);
  border-bottom: 1px solid var(--ai-glass-border);
  overflow-x: auto;
}

.ai-wb-tab {
  padding: 15px 25px;
  font-family: var(--ai-font-heading);
  font-size: 0.85rem;
  color: rgba(229, 231, 235, 0.6);
  cursor: pointer;
  border: none;
  background: none;
  transition: var(--ai-transition);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
}

.ai-wb-tab:hover,
.ai-wb-tab.active {
  color: var(--ai-accent);
  border-bottom-color: var(--ai-accent);
  background: rgba(0, 246, 255, 0.05);
}

.ai-wb-panel {
  display: none;
  padding: 30px;
}

.ai-wb-panel.active {
  display: block;
}

.ai-wb-layout {
  display: grid;
  grid-template-columns: 250px 1fr 250px;
  gap: 20px;
  min-height: 400px;
}

.ai-wb-sidebar {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--ai-glass-border);
  border-radius: 8px;
  padding: 20px;
}

.ai-wb-sidebar h4 {
  font-size: 0.9rem;
  color: var(--ai-accent);
  margin-bottom: 15px;
  font-family: var(--ai-font-heading);
}

.ai-wb-upload-area {
  border: 2px dashed var(--ai-glass-border);
  border-radius: 8px;
  padding: 30px;
  text-align: center;
  color: rgba(229, 231, 235, 0.5);
  cursor: pointer;
  transition: var(--ai-transition);
  margin-bottom: 15px;
}

.ai-wb-upload-area:hover {
  border-color: var(--ai-secondary);
  background: rgba(168, 85, 247, 0.05);
}

.ai-wb-upload-icon {
  font-size: 2rem;
  margin-bottom: 10px;
  color: var(--ai-secondary);
}

.ai-wb-main {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--ai-glass-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.ai-wb-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}

.ai-wb-preview-label {
  position: absolute;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--ai-font-heading);
  font-size: 0.8rem;
  color: var(--ai-accent);
  background: rgba(0, 0, 0, 0.7);
  padding: 5px 15px;
  border-radius: 20px;
  border: 1px solid var(--ai-glass-border);
}

.ai-wb-slider-group {
  margin-bottom: 20px;
}

.ai-wb-slider-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: rgba(229, 231, 235, 0.6);
  margin-bottom: 8px;
}

.ai-wb-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: rgba(168, 85, 247, 0.3);
  outline: none;
}

.ai-wb-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ai-accent);
  cursor: pointer;
  box-shadow: var(--ai-glow-cyan);
}

.ai-wb-generate-btn {
  width: 100%;
  padding: 12px;
  margin-top: 20px;
  font-family: var(--ai-font-heading);
  font-size: 0.9rem;
  color: #fff;
  background: linear-gradient(135deg, var(--ai-primary), var(--ai-secondary));
  border: 1px solid var(--ai-glass-border);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--ai-transition);
}

.ai-wb-generate-btn:hover {
  box-shadow: var(--ai-glow-purple);
  transform: translateY(-1px);
}

/* === AI配音工具 === */
.ai-voice-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 20px;
  min-height: 400px;
}

.ai-voice-input {
  width: 100%;
  min-height: 200px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--ai-glass-border);
  border-radius: 8px;
  padding: 20px;
  color: var(--ai-text);
  font-family: var(--ai-font-body);
  font-size: 0.95rem;
  resize: vertical;
  outline: none;
  transition: var(--ai-transition);
}

.ai-voice-input:focus {
  border-color: var(--ai-accent);
  box-shadow: 0 0 10px rgba(0, 246, 255, 0.2);
}

.ai-voice-selector {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--ai-glass-border);
  border-radius: 8px;
  padding: 20px;
}

.ai-voice-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--ai-transition);
  margin-bottom: 8px;
}

.ai-voice-option:hover,
.ai-voice-option.active {
  border-color: var(--ai-secondary);
  background: rgba(168, 85, 247, 0.1);
}

.ai-voice-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--ai-secondary);
}

.ai-voice-option.active .ai-voice-dot {
  background: var(--ai-accent);
  border-color: var(--ai-accent);
  box-shadow: var(--ai-glow-cyan);
}

/* === APP下载页 === */
.ai-app-hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--ai-bg-dark) 0%, #1a0040 100%);
}

.ai-app-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  position: relative;
  z-index: 2;
}

.ai-app-text h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff, var(--ai-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ai-app-text p {
  color: rgba(229, 231, 235, 0.7);
  margin-bottom: 30px;
  line-height: 1.8;
}

.ai-app-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.ai-app-image {
  text-align: center;
}

.ai-app-image img {
  border-radius: var(--ai-radius);
  max-width: 100%;
}

.ai-qr-code {
  width: 160px;
  height: 160px;
  background: #fff;
  border-radius: var(--ai-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 20px auto;
  font-size: 0.8rem;
  color: #333;
  text-align: center;
  padding: 10px;
}

/* === 文章页 === */
.ai-article {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}

.ai-article h2 {
  font-size: 1.5rem;
  margin: 40px 0 15px;
  color: var(--ai-secondary);
}

.ai-article h3 {
  font-size: 1.2rem;
  margin: 30px 0 12px;
  color: var(--ai-accent);
}

.ai-article p {
  margin-bottom: 18px;
  line-height: 1.8;
  color: rgba(229, 231, 235, 0.85);
}

.ai-article img {
  border-radius: var(--ai-radius);
  margin: 25px 0;
  border: 1px solid var(--ai-glass-border);
}

.ai-article code {
  background: rgba(0, 0, 0, 0.4);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.9rem;
  color: var(--ai-accent);
}

.ai-article pre {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--ai-glass-border);
  border-radius: var(--ai-radius);
  padding: 20px;
  overflow-x: auto;
  margin: 25px 0;
  line-height: 1.6;
}

.ai-article pre code {
  background: none;
  padding: 0;
}

/* === 进度条 === */
.ai-progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(168, 85, 247, 0.2);
  border-radius: 3px;
  overflow: hidden;
  margin: 15px 0;
}

.ai-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--ai-primary), var(--ai-accent));
  border-radius: 3px;
  width: 0%;
  transition: width 2s ease;
}

/* === 神经网络背景动画 Canvas === */
#ai-neural-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.15;
  pointer-events: none;
}

/* === 响应式: 360px === */
@media (max-width: 480px) {
  .ai-nav-links { display: none; }
  .ai-hamburger { display: flex; }
  .ai-hero-content h1 { font-size: 1.6rem; }
  .ai-matrix-grid { grid-template-columns: 1fr; }
  .ai-algo-grid { grid-template-columns: 1fr; }
  .ai-showcase-grid { grid-template-columns: 1fr 1fr; }
  .ai-director-content { grid-template-columns: 1fr; }
  .ai-api-grid { grid-template-columns: 1fr; }
  .ai-testimonial-grid { grid-template-columns: 1fr; }
  .ai-footer-grid { grid-template-columns: 1fr; }
  .ai-blog-item { flex-direction: column; }
  .ai-blog-item img { width: 100%; min-width: auto; height: 180px; }
  .ai-wb-layout { grid-template-columns: 1fr; }
  .ai-voice-layout { grid-template-columns: 1fr; }
  .ai-app-content { grid-template-columns: 1fr; }
  .ai-section { padding: 50px 0; }
}

/* === 响应式: 768px === */
@media (max-width: 768px) {
  .ai-nav-links { display: none; }
  .ai-hamburger { display: flex; }
  .ai-hero { min-height: 80vh; }
  .ai-matrix-grid { grid-template-columns: 1fr 1fr; }
  .ai-director-content { grid-template-columns: 1fr; }
  .ai-api-grid { grid-template-columns: 1fr; }
  .ai-wb-layout { grid-template-columns: 1fr; }
  .ai-voice-layout { grid-template-columns: 1fr; }
  .ai-app-content { grid-template-columns: 1fr; text-align: center; }
  .ai-app-buttons { justify-content: center; }
  .ai-footer-grid { grid-template-columns: 1fr 1fr; }
}

/* === 响应式: 1024px === */
@media (max-width: 1024px) {
  .ai-nav-links li a { padding: 8px 10px; font-size: 0.85rem; }
  .ai-wb-layout { grid-template-columns: 200px 1fr 200px; }
}

/* === 响应式: 1440px+ === */
@media (min-width: 1441px) {
  .ai-container { max-width: 1400px; }
}

/* === 滚动条美化 === */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--ai-bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--ai-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--ai-secondary);
}

/* === 选中文字样式 === */
::selection {
  background: rgba(168, 85, 247, 0.4);
  color: #fff;
}