/* ==========================================================================
   抖音AI获客助手 - 科技感官网样式表 (Tech Aesthetic Style)
   ========================================================================== */

:root {
  /* 科技色彩系统 (Cyberpunk & Neon Palette) */
  --bg-deep: #050811;
  --bg-surface: #0a1022;
  --bg-card: rgba(14, 22, 45, 0.72);
  --bg-card-hover: rgba(20, 32, 65, 0.88);
  
  --cyan-primary: #00f2fe;
  --cyan-glow: rgba(0, 242, 254, 0.4);
  --purple-primary: #9d4edd;
  --purple-glow: rgba(157, 78, 221, 0.4);
  --blue-primary: #4facfe;
  --blue-glow: rgba(79, 172, 254, 0.35);
  --green-online: #10b981;
  --green-glow: rgba(16, 185, 129, 0.5);

  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dark: #64748b;
  --text-highlight: #ffffff;

  --border-glass: rgba(255, 255, 255, 0.08);
  --border-cyan: rgba(0, 242, 254, 0.28);
  --border-purple: rgba(157, 78, 221, 0.28);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", Consolas, "Courier New", monospace;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  position: relative;
  min-height: 100vh;
}

/* ==========================================================================
   背景层：全息粒子、赛博网格与环境光 (Cyber Background)
   ========================================================================== */
.cyber-bg-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

#cyberCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.85;
}

.cyber-grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(0, 242, 254, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 242, 254, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(circle at 50% 50%, black 40%, transparent 85%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, black 40%, transparent 85%);
}

.cyber-scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15),
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 2px
  );
  opacity: 0.4;
}

.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.45;
  animation: floatAmbient 12s ease-in-out infinite alternate;
}

.glow-cyan {
  width: 500px;
  height: 500px;
  top: -100px;
  left: 15%;
  background: radial-gradient(circle, var(--cyan-primary) 0%, transparent 70%);
}

.glow-purple {
  width: 600px;
  height: 600px;
  top: 30%;
  right: 5%;
  background: radial-gradient(circle, var(--purple-primary) 0%, transparent 70%);
  animation-duration: 16s;
}

.glow-blue {
  width: 550px;
  height: 550px;
  bottom: 10%;
  left: 20%;
  background: radial-gradient(circle, var(--blue-primary) 0%, transparent 70%);
  animation-duration: 20s;
}

@keyframes floatAmbient {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(40px) scale(1.15); }
}

/* ==========================================================================
   排版与基础样式
   ========================================================================== */
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

ul {
  list-style: none;
}

.section-padding {
  padding: 100px 24px;
}

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

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

.section-head {
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 2px;
  color: var(--cyan-primary);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--border-cyan);
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 16px;
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
}

.section-title {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-highlight);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto;
  line-height: 1.7;
}

.gradient-text {
  background: linear-gradient(135deg, var(--cyan-primary) 0%, #38bdf8 50%, var(--purple-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* 玻璃科技卡片 */
.glow-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glow-card:hover {
  border-color: var(--border-cyan);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 25px rgba(0, 242, 254, 0.2);
  transform: translateY(-4px);
}

/* 按钮系统 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 22px;
  border-radius: 10px;
  cursor: pointer;
  border: none;
  outline: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan-primary) 0%, #0284c7 100%);
  color: #030712;
  font-weight: 700;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #38bdf8 0%, #0369a1 100%);
  transform: translateY(-2px);
  box-shadow: 0 0 20px var(--cyan-glow);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  border: 1px solid var(--border-glass);
}

.btn-outline:hover {
  background: rgba(0, 242, 254, 0.1);
  border-color: var(--cyan-primary);
  color: var(--cyan-primary);
  transform: translateY(-2px);
}

.glow-cyan-box {
  box-shadow: 0 0 20px var(--cyan-glow);
}

/* ==========================================================================
   头部导航 (Header)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 8, 17, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  transition: background var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.site-header.scrolled {
  background: rgba(5, 8, 17, 0.96);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 242, 254, 0.12);
  border-bottom-color: rgba(0, 242, 254, 0.22);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: padding var(--transition-normal);
}

.site-header.scrolled .header-container {
  padding-top: 10px;
  padding-bottom: 10px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  text-decoration: none;
}

.logo-symbol {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.2), rgba(157, 78, 221, 0.2));
  border: 1px solid var(--border-cyan);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-primary);
  position: relative;
  flex-shrink: 0;
}

.pulse-ring {
  position: absolute;
  inset: -3px;
  border: 1px solid var(--cyan-primary);
  border-radius: 12px;
  opacity: 0.5;
  animation: pulseLogo 2s infinite ease-out;
}

@keyframes pulseLogo {
  0% { transform: scale(0.95); opacity: 0.7; }
  100% { transform: scale(1.15); opacity: 0; }
}

.logo-text {
  display: flex;
  flex-direction: column;
  white-space: nowrap;
}

.logo-title {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.2px;
  color: var(--text-highlight);
  line-height: 1.2;
}

.logo-tag {
  font-size: 0.65rem;
  letter-spacing: 1.5px;
  color: var(--cyan-primary);
  font-family: var(--font-mono);
  line-height: 1.2;
  margin-top: 2px;
  transition: opacity var(--transition-fast);
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-width: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  list-style: none;
  gap: clamp(10px, 1.4vw, 24px);
  margin: 0;
  padding: 0;
  white-space: nowrap;
}

.nav-link {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 4px;
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--transition-fast), text-shadow var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--cyan-primary);
  text-shadow: 0 0 10px rgba(0, 242, 254, 0.5);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan-primary), #a855f7);
  transition: width var(--transition-fast);
  box-shadow: 0 0 8px var(--cyan-primary);
  border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

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

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

.header-actions .btn {
  padding: 8px 18px;
  font-size: 0.88rem;
  border-radius: 8px;
  white-space: nowrap;
}

/* 移动端汉堡切换按钮 */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  cursor: pointer;
  padding: 8px;
  gap: 5px;
  transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background: rgba(0, 242, 254, 0.1);
  border-color: var(--cyan-primary);
}

.hamburger-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-highlight);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-normal), background var(--transition-fast);
}

.mobile-menu-toggle.active .hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background: var(--cyan-primary);
}
.mobile-menu-toggle.active .hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.mobile-menu-toggle.active .hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background: var(--cyan-primary);
}

/* ==========================================================================
   Hero 首屏 (Hero Section)
   ========================================================================== */
.hero-section {
  padding: 80px 24px 100px;
  position: relative;
}

.hero-container {
  max-width: 1140px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--border-cyan);
  padding: 8px 20px;
  border-radius: 40px;
  margin-bottom: 28px;
  font-size: 0.9rem;
  color: var(--cyan-primary);
  box-shadow: 0 0 25px rgba(0, 242, 254, 0.15);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--cyan-primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan-primary);
  animation: blink 1.5s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.sub-heading-block {
  display: block;
  font-size: 2.3rem;
  font-weight: 700;
  color: #e2e8f0;
  margin-top: 12px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 880px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-subtitle strong {
  color: var(--text-highlight);
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.btn-hero-primary {
  background: linear-gradient(135deg, var(--cyan-primary) 0%, #0099ff 100%);
  color: #030712;
  font-size: 1.1rem;
  font-weight: 700;
  padding: 14px 34px;
  border-radius: 12px;
}

.btn-hero-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 0 30px var(--cyan-glow);
}

.btn-hero-secondary {
  background: rgba(157, 78, 221, 0.12);
  color: #e2e8f0;
  border: 1px solid var(--border-purple);
  font-size: 1.05rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 12px;
}

.btn-hero-secondary:hover {
  background: rgba(157, 78, 221, 0.25);
  border-color: var(--purple-primary);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 0 20px var(--purple-glow);
}

.btn-hero-tertiary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border: 1px solid var(--border-glass);
  font-size: 1.05rem;
  padding: 14px 24px;
  border-radius: 12px;
}

.btn-hero-tertiary:hover {
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* 统计数据横幅 */
.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}

.stat-card {
  background: rgba(14, 22, 45, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 24px 16px;
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.stat-card:hover {
  border-color: var(--border-cyan);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: var(--text-highlight);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-unit {
  font-size: 1.5rem;
  color: var(--cyan-primary);
  margin-left: 2px;
}

.stat-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
}

.stat-desc {
  font-size: 0.8rem;
  color: var(--text-dark);
}

/* 终端模拟窗口 (Mockup Window) */
.hero-mockup-window {
  max-width: 960px;
  margin: 0 auto;
  background: #080d1e;
  border: 1px solid rgba(0, 242, 254, 0.25);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 35px rgba(0, 242, 254, 0.15);
  text-align: left;
}

.mockup-header {
  background: #0c142c;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-glass);
}

.window-dots {
  display: flex;
  gap: 7px;
}

.window-dots .dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.window-title {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.terminal-icon {
  color: var(--cyan-primary);
}

.window-status {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--green-online);
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-pulse-live {
  width: 7px;
  height: 7px;
  background-color: var(--green-online);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--green-online);
  animation: pulseLogo 1.5s infinite;
}

.mockup-body {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.6;
}

.terminal-stream-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.t-time {
  color: var(--text-dark);
  font-size: 0.8rem;
}

.t-tag {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.tag-search { background: rgba(0, 242, 254, 0.15); color: var(--cyan-primary); border: 1px solid var(--border-cyan); }
.tag-analyze { background: rgba(157, 78, 221, 0.2); color: #d8b4fe; border: 1px solid var(--border-purple); }
.tag-reply { background: rgba(79, 172, 254, 0.18); color: #7dd3fc; border: 1px solid rgba(79, 172, 254, 0.3); }
.tag-browse { background: rgba(251, 191, 36, 0.15); color: #fde047; border: 1px solid rgba(251, 191, 36, 0.3); }
.tag-success { background: rgba(16, 185, 129, 0.15); color: #6ee7b7; border: 1px solid rgba(16, 185, 129, 0.3); }

.highlight-cyan { color: var(--cyan-primary); }
.badge-intent {
  background: rgba(16, 185, 129, 0.18);
  color: #34d399;
  padding: 2px 6px;
  border-radius: 4px;
}

/* ==========================================================================
   在线获客模拟器 (Interactive Simulator)
   ========================================================================== */
.simulator-card {
  padding: 36px;
}

.preset-keywords-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.preset-label {
  font-size: 0.92rem;
  color: var(--text-muted);
  font-weight: 600;
}

.preset-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.preset-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.preset-btn:hover {
  border-color: var(--border-cyan);
  color: var(--cyan-primary);
  background: rgba(0, 242, 254, 0.08);
}

.preset-btn.active {
  background: rgba(0, 242, 254, 0.16);
  border-color: var(--cyan-primary);
  color: var(--cyan-primary);
  font-weight: 600;
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.2);
}

.sim-search-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
}

.search-input-box {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 18px;
  font-size: 1.2rem;
  color: var(--text-dark);
}

.search-input-box input {
  width: 100%;
  padding: 16px 20px 16px 50px;
  background: rgba(5, 8, 17, 0.85);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  color: var(--text-highlight);
  font-size: 1.05rem;
  outline: none;
  transition: all var(--transition-fast);
}

.search-input-box input:focus {
  border-color: var(--cyan-primary);
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.2);
}

.sim-search-bar .btn-primary {
  padding: 0 32px;
  font-size: 1rem;
}

/* 模拟器三列展示 */
.sim-results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

.sim-col {
  background: rgba(5, 8, 17, 0.65);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.sim-col-header {
  padding: 14px 18px;
  background: rgba(14, 22, 45, 0.85);
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--cyan-primary);
  background: rgba(0, 242, 254, 0.12);
  padding: 2px 6px;
  border-radius: 4px;
}

.sim-col-header h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  flex: 1;
  margin: 0 10px;
}

.badge-status {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 20px;
}

.status-active { background: rgba(0, 242, 254, 0.15); color: var(--cyan-primary); }
.status-scored { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.status-reply { background: rgba(157, 78, 221, 0.18); color: #c084fc; }

.sim-col-body {
  padding: 20px;
  flex: 1;
  font-size: 0.9rem;
  min-height: 220px;
}

.sim-empty-placeholder {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dark);
  font-style: italic;
}

.sim-card-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 12px;
  animation: fadeIn 0.4s ease;
}

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

.sim-comment-author {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.sim-author-name {
  color: #38bdf8;
  font-weight: 600;
}

.sim-comment-text {
  color: #e2e8f0;
  line-height: 1.5;
  margin-bottom: 8px;
}

.sim-video-ref {
  font-size: 0.78rem;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 4px;
}

.analysis-score-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.score-badge-high {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.85rem;
}

.intent-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.intent-chip {
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--border-cyan);
  color: var(--cyan-primary);
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 4px;
}

.persona-tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(157, 78, 221, 0.15);
  border: 1px solid var(--border-purple);
  color: #d8b4fe;
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 10px;
}

.reply-text-box {
  background: rgba(0, 0, 0, 0.35);
  border-left: 3px solid var(--purple-primary);
  padding: 10px 14px;
  border-radius: 0 8px 8px 0;
  color: #f8fafc;
  line-height: 1.6;
}

.simulator-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-glass);
  padding-top: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.sim-tip {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 780px;
}

.icon-tip {
  font-size: 1.2rem;
}

/* ==========================================================================
   核心功能网格 (Features Grid)
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
}

.card-icon-wrap {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.icon-cyan {
  background: rgba(0, 242, 254, 0.12);
  color: var(--cyan-primary);
  border: 1px solid var(--border-cyan);
}

.icon-purple {
  background: rgba(157, 78, 221, 0.12);
  color: var(--purple-primary);
  border: 1px solid var(--border-purple);
}

.icon-blue {
  background: rgba(79, 172, 254, 0.12);
  color: var(--blue-primary);
  border: 1px solid rgba(79, 172, 254, 0.3);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-highlight);
  margin-bottom: 12px;
}

.card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}

.card-desc code {
  background: rgba(0, 242, 254, 0.1);
  color: var(--cyan-primary);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.card-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid var(--border-glass);
  padding-top: 18px;
}

.card-list li {
  font-size: 0.88rem;
  color: #cbd5e1;
}

/* ==========================================================================
   7大拟人人格系统 (Personas)
   ========================================================================== */
.personas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.persona-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
}

.persona-card:hover {
  border-color: var(--border-purple);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(157, 78, 221, 0.2);
}

.persona-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.persona-avatar {
  font-size: 1.8rem;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.persona-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-highlight);
}

.persona-style {
  font-size: 0.8rem;
  color: var(--cyan-primary);
}

.persona-dialogue {
  background: rgba(0, 0, 0, 0.35);
  border-left: 3px solid var(--cyan-primary);
  padding: 12px 14px;
  border-radius: 0 8px 8px 0;
  margin-bottom: 14px;
  font-size: 0.92rem;
  color: #f1f5f9;
}

.persona-use {
  font-size: 0.82rem;
  color: var(--text-dark);
}

/* ==========================================================================
   多账号矩阵大盘 (Matrix Dashboard Preview)
   ========================================================================== */
.matrix-dashboard-preview {
  padding: 30px;
}

.preview-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 20px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.app-chip {
  background: rgba(0, 242, 254, 0.12);
  border: 1px solid var(--border-cyan);
  color: var(--cyan-primary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  margin-right: 14px;
}

.account-count {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.account-count strong {
  color: var(--green-online);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.pulse-green {
  width: 8px;
  height: 8px;
  background-color: var(--green-online);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--green-online);
}

.account-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.account-item {
  background: rgba(5, 8, 17, 0.7);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 20px;
  transition: all var(--transition-fast);
}

.account-item:hover {
  border-color: rgba(0, 242, 254, 0.4);
}

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

.acc-avatar {
  font-size: 1.5rem;
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.acc-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-highlight);
}

.acc-status {
  font-size: 0.8rem;
}

.status-online { color: var(--green-online); }
.status-waiting { color: #f59e0b; }

.acc-task-info {
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.task-row {
  display: flex;
  justify-content: space-between;
}

.task-row .k { color: var(--text-dark); }
.task-row .v { color: #e2e8f0; font-weight: 500; }
.highlight-green { color: #34d399 !important; }

.task-progress {
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 4px;
}

.task-progress .bar {
  height: 100%;
  background: linear-gradient(90deg, #10b981, #00f2fe);
  border-radius: 3px;
}

.task-progress .bar.cyan {
  background: linear-gradient(90deg, #00f2fe, #38bdf8);
}

.matrix-features-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  border-top: 1px solid var(--border-glass);
  padding-top: 24px;
}

.mf-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.mf-icon {
  font-size: 1.4rem;
}

.mf-item strong {
  color: var(--text-highlight);
}

/* ==========================================================================
   传统获客 VS AI 获客对比表格 (Comparison)
   ========================================================================== */
.comparison-table-wrap {
  padding: 28px;
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th {
  padding: 16px 20px;
  font-size: 1.05rem;
  border-bottom: 2px solid var(--border-glass);
  color: var(--text-highlight);
}

.col-traditional {
  color: var(--text-muted) !important;
}

.col-ai {
  color: var(--cyan-primary) !important;
  position: relative;
}

.badge-recommend {
  display: inline-block;
  font-size: 0.72rem;
  background: linear-gradient(135deg, var(--cyan-primary), #0284c7);
  color: #000;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 8px;
  vertical-align: middle;
}

.comparison-table td {
  padding: 20px;
  border-bottom: 1px solid var(--border-glass);
  font-size: 0.95rem;
  line-height: 1.6;
  color: #cbd5e1;
}

.td-highlight {
  background: rgba(0, 242, 254, 0.04);
  color: #ffffff !important;
}

.td-highlight strong {
  color: var(--cyan-primary);
}

/* ==========================================================================
   行业解决方案 (Industries)
   ========================================================================== */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.industry-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.industry-card:hover {
  border-color: var(--border-cyan);
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 242, 254, 0.15);
}

.ind-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.industry-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-highlight);
  margin-bottom: 10px;
}

.industry-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex: 1;
}

.industry-card p em {
  color: #38bdf8;
  font-style: normal;
}

.ind-benefit {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.82rem;
  color: #e2e8f0;
  border-left: 2px solid var(--green-online);
}

/* ==========================================================================
   FAQ 手风琴 (FAQ Accordion)
   ========================================================================== */
.faq-accordion {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--border-cyan);
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.1);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  outline: none;
  color: var(--text-highlight);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-icon {
  font-size: 1.4rem;
  color: var(--cyan-primary);
  font-family: var(--font-mono);
  transition: transform var(--transition-fast);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, padding 0.35s ease;
  padding: 0 24px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 24px;
}

.faq-answer ul {
  margin-top: 10px;
  padding-left: 20px;
  list-style: disc;
}

.faq-answer li {
  margin-bottom: 8px;
}

.faq-answer strong {
  color: var(--text-highlight);
}

/* ==========================================================================
   底部 CTA Banner (CTA Banner)
   ========================================================================== */
.cta-banner-section {
  padding: 80px 24px 100px;
}

.cta-banner-card {
  padding: 60px 40px;
  background: linear-gradient(135deg, rgba(14, 22, 45, 0.9) 0%, rgba(20, 30, 60, 0.95) 100%);
  border: 1px solid var(--border-cyan);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 242, 254, 0.2);
}

.banner-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 2px;
  color: var(--cyan-primary);
  background: rgba(0, 242, 254, 0.1);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
}

.banner-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-highlight);
  margin-bottom: 16px;
}

.banner-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 36px;
}

.banner-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.banner-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  font-size: 0.9rem;
  color: var(--text-dark);
  flex-wrap: wrap;
}

/* ==========================================================================
   页脚 (Footer)
   ========================================================================== */
.site-footer {
  background: #03060d;
  border-top: 1px solid var(--border-glass);
  padding: 80px 24px 40px;
}

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

.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand-col .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-logo .logo-symbol.small {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.f-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-highlight);
}

.f-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 380px;
}

.f-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.f-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan-primary);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  padding: 3px 8px;
  border-radius: 4px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-highlight);
  margin-bottom: 20px;
}

.f-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.f-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.f-links a:hover {
  color: var(--cyan-primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-dark);
}

.seo-keywords-line a {
  color: var(--text-dark);
  margin: 0 4px;
}

.seo-keywords-line a:hover {
  color: var(--cyan-primary);
}

/* ==========================================================================
   浮动转化挂件 (Floating Widget)
   ========================================================================== */
.floating-cta-widget {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 99;
}

.floating-btn {
  background: linear-gradient(135deg, var(--cyan-primary), #0099ff);
  color: #030712;
  border: none;
  outline: none;
  padding: 12px 20px;
  border-radius: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform var(--transition-fast);
}

.floating-btn:hover {
  transform: scale(1.06) translateY(-3px);
}

/* ==========================================================================
   模态弹窗 (Modal)
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  width: 100%;
  max-width: 480px;
  background: #0b1126;
  border: 1px solid var(--border-cyan);
  padding: 36px 30px;
  border-radius: 20px;
  position: relative;
  transform: scale(0.92);
  transition: transform var(--transition-normal);
}

.modal-backdrop.active .modal-dialog {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.8rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--cyan-primary);
}

.modal-head {
  text-align: center;
  margin-bottom: 24px;
}

.modal-icon {
  font-size: 2.2rem;
  display: inline-block;
  margin-bottom: 10px;
}

.modal-head h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-highlight);
  margin-bottom: 8px;
}

.modal-head p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: #cbd5e1;
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(5, 8, 17, 0.9);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  color: #f1f5f9;
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-group input:focus {
  border-color: var(--cyan-primary);
  box-shadow: 0 0 14px rgba(0, 242, 254, 0.2);
}

.btn-block {
  width: 100%;
  padding: 14px;
  font-size: 1.05rem;
}

.form-privacy-note {
  font-size: 0.78rem;
  color: var(--text-dark);
  text-align: center;
  margin-top: 8px;
}

.modal-success-state {
  text-align: center;
  padding: 20px 0;
}

.success-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.modal-success-state h4 {
  font-size: 1.4rem;
  color: var(--green-online);
  margin-bottom: 10px;
}

.modal-success-state p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

/* ==========================================================================
   全新功能增强模块 (v2.0 Features: 吞评检测, AI营销生图, 方案库与任务模式)
   ========================================================================== */

/* 控制台标签切换 (Mockup Tab Switcher) */
.mockup-tabs {
  display: flex;
  gap: 8px;
}

.mockup-tab-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  font-size: 0.76rem;
  padding: 4px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
}

.mockup-tab-btn:hover {
  background: rgba(0, 242, 254, 0.1);
  color: var(--text-highlight);
  border-color: var(--border-cyan);
}

.mockup-tab-btn.active {
  background: rgba(0, 242, 254, 0.18);
  color: var(--cyan-primary);
  border-color: var(--cyan-primary);
  font-weight: 600;
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

.terminal-pane {
  display: none;
  flex-direction: column;
  gap: 14px;
}

.terminal-pane.active {
  display: flex;
  animation: fadeIn 0.3s ease;
}

.tag-visibility { background: rgba(239, 68, 68, 0.18); color: #fca5a5; border: 1px solid rgba(239, 68, 68, 0.4); }
.tag-visible-ok { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; border: 1px solid rgba(16, 185, 129, 0.4); }
.tag-image { background: rgba(245, 158, 11, 0.2); color: #fcd34d; border: 1px solid rgba(245, 158, 11, 0.4); }
.tag-inbox { background: rgba(59, 130, 246, 0.2); color: #93c5fd; border: 1px solid rgba(59, 130, 246, 0.4); }
.tag-plan { background: rgba(168, 85, 247, 0.2); color: #d8b4fe; border: 1px solid rgba(168, 85, 247, 0.4); }

/* 独家吞评检测专区样式 (Comment Visibility Section) */
.visibility-section {
  position: relative;
  background: linear-gradient(180deg, rgba(8, 13, 30, 0) 0%, rgba(13, 20, 48, 0.6) 50%, rgba(8, 13, 30, 0) 100%);
}

.vis-hero-card {
  background: var(--bg-card);
  border: 1px solid rgba(0, 242, 254, 0.25);
  border-radius: 18px;
  padding: 36px;
  backdrop-filter: blur(16px);
  margin-bottom: 30px;
}

.vis-compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 28px;
}

.vis-compare-box {
  background: rgba(10, 16, 34, 0.85);
  border-radius: 12px;
  padding: 24px;
  border: 1px solid var(--border-glass);
  position: relative;
  overflow: hidden;
}

.vis-compare-box.bad {
  border-color: rgba(239, 68, 68, 0.35);
}

.vis-compare-box.good {
  border-color: rgba(16, 185, 129, 0.45);
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.1);
}

.vis-compare-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.vis-compare-badge.bad {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.vis-compare-badge.good {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.vis-status-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 30px;
}

.vis-status-card {
  background: rgba(12, 18, 40, 0.7);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 20px;
  transition: all var(--transition-normal);
}

.vis-status-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan-primary);
}

.vis-pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.vis-pill.visible { background: rgba(16, 185, 129, 0.2); color: #34d399; border: 1px solid #10b981; }
.vis-pill.hidden { background: rgba(239, 68, 68, 0.2); color: #f87171; border: 1px solid #ef4444; }
.vis-pill.notfound { background: rgba(148, 163, 184, 0.2); color: #94a3b8; border: 1px solid #64748b; }
.vis-pill.unknown { background: rgba(168, 85, 247, 0.2); color: #c084fc; border: 1px solid #a855f7; }

/* AI营销生图专区样式 (AI Image Section) */
.ai-image-section {
  position: relative;
}

.ai-image-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid rgba(157, 78, 221, 0.3);
  border-radius: 18px;
  padding: 36px;
  backdrop-filter: blur(16px);
}

.ai-prompt-box {
  background: rgba(10, 16, 34, 0.9);
  border: 1px solid var(--border-purple);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 18px 0;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: #e2e8f0;
}

.ai-prompt-label {
  font-size: 0.75rem;
  color: var(--purple-primary);
  text-transform: uppercase;
  margin-bottom: 6px;
  display: block;
}

.ai-image-preview-stage {
  background: #080d1e;
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 18px;
  text-align: center;
}

.ai-generated-frame {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(0, 242, 254, 0.3);
  background: linear-gradient(135deg, #1e1b4b 0%, #0f172a 100%);
  aspect-ratio: 16 / 9;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.ai-watermark {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.6);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  color: var(--cyan-primary);
}

.ai-img-caption {
  font-size: 0.85rem;
  color: #cbd5e1;
  margin-top: 12px;
}

/* 任务模式胶囊 (Task Mode Pills) */
.task-modes-wrap {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.task-mode-pill {
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
}

.task-mode-pill.active {
  background: rgba(0, 242, 254, 0.15);
  border-color: var(--cyan-primary);
  color: var(--cyan-primary);
}

/* 徽章与标签增强 */
.badge-hot {
  background: #ef4444;
  color: #ffffff;
  font-size: 0.65rem;
  padding: 1px 5px;
  border-radius: 4px;
  margin-left: 4px;
  vertical-align: middle;
  font-weight: 700;
}

/* ==========================================================================
   动画辅助类 (Animations)
   ========================================================================== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   移动端与响应式适配 (Responsive Media Queries)
   ========================================================================== */
@media (max-width: 1200px) {
  .header-btn-secondary {
    display: none;
  }
  .nav-list {
    gap: 12px;
  }
}

@media (max-width: 1100px) {
  .logo-tag {
    display: none;
  }
  .nav-link {
    font-size: 0.88rem;
    padding: 6px 2px;
  }
}

@media (max-width: 1024px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(7, 11, 22, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-cyan);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8), 0 0 25px rgba(0, 242, 254, 0.12);
    padding: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.25s ease,
                visibility 0.25s ease,
                padding 0.35s ease;
  }

  .main-nav.open {
    max-height: 600px;
    opacity: 1;
    visibility: visible;
    padding: 16px 20px 24px;
    border-top: 1px solid rgba(0, 242, 254, 0.15);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    width: 100%;
  }

  .nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid transparent;
    transition: all var(--transition-fast);
  }

  .nav-link:hover,
  .nav-link.active {
    background: rgba(0, 242, 254, 0.08);
    border-color: rgba(0, 242, 254, 0.3);
    color: var(--cyan-primary);
  }

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

  .mobile-nav-cta {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border-glass);
  }

  .mobile-nav-cta .btn {
    width: 100%;
    justify-content: center;
    padding: 12px 20px;
  }

  .hero-title { font-size: 2.8rem; }
  .sub-heading-block { font-size: 1.8rem; }
  .features-grid, .personas-grid { grid-template-columns: repeat(2, 1fr); }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .vis-status-cards-grid { grid-template-columns: repeat(2, 1fr); }
  .ai-image-card { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero-title { font-size: 2.2rem; }
  .sub-heading-block { font-size: 1.4rem; }
  .hero-subtitle { font-size: 1.05rem; }
  .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .sim-results-grid { grid-template-columns: 1fr; }
  .features-grid, .personas-grid, .industries-grid { grid-template-columns: 1fr; }
  .vis-compare-grid { grid-template-columns: 1fr; }
  .vis-status-cards-grid { grid-template-columns: 1fr; }
  .mockup-header { flex-direction: column; align-items: flex-start; gap: 10px; }
  .mockup-tabs { width: 100%; overflow-x: auto; padding-bottom: 4px; }
  .account-cards-grid { grid-template-columns: 1fr; }
  .matrix-features-bar { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; }
  .banner-title { font-size: 1.8rem; }
  .sim-search-bar { flex-direction: column; }
  .sim-search-bar .btn-primary { width: 100%; height: 50px; }
}

@media (max-width: 480px) {
  .header-container {
    padding: 10px 14px;
    gap: 8px;
  }
  .logo-symbol {
    width: 34px;
    height: 34px;
  }
  .logo-symbol img {
    width: 24px;
    height: 24px;
  }
  .logo-title {
    font-size: 1.02rem;
  }
  .header-actions {
    gap: 6px;
  }
  .header-actions .btn {
    padding: 6px 12px;
    font-size: 0.8rem;
  }
  .mobile-menu-toggle {
    width: 34px;
    height: 34px;
    padding: 6px;
  }
  .hamburger-bar {
    width: 18px;
  }
}