:root {
  --primary: #6d5df6;
  --primary-dark: #5646e0;
  --accent: #a855f7;
  --cyan: #22d3ee;
  --text: #1f2333;
  --text-2: #5a607a;
  --bg: #ffffff;
  --bg-soft: #f6f7fc;
  --border: #e7e9f2;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(31, 35, 51, 0.08);
  --glow: rgba(109, 93, 246, 0.35);
  --dark-1: #140b34;
  --dark-2: #1c1046;
  --dark-3: #241154;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* 小型科技感标签 */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: rgba(109, 93, 246, 0.1);
  color: var(--primary-dark);
  border: 1px solid rgba(109, 93, 246, 0.22);
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); flex-shrink: 0; }
.eyebrow.light { background: rgba(255, 255, 255, 0.12); color: #fff; border-color: rgba(255, 255, 255, 0.28); }
.eyebrow-row { text-align: center; margin-bottom: 14px; }

/* 滚动进场动画 */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
  transition-delay: var(--d, 0s);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.center { text-align: center; }
.center-flex { justify-content: center; }
.mt-32 { margin-top: 32px; }
.muted { color: var(--text-2); font-size: 15px; }

/* 按钮 */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 6px 18px rgba(109, 93, 246, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(109, 93, 246, 0.45); }
.btn-glow { animation: glow-pulse 2.6s ease-in-out infinite; }
@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 6px 18px rgba(109, 93, 246, 0.35); }
  50% { box-shadow: 0 8px 30px rgba(168, 85, 247, 0.65); }
}
.btn-ghost { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-ghost:hover { background: rgba(109, 93, 246, 0.08); }
.btn-sm { padding: 8px 20px; font-size: 14px; }
.btn-block { display: block; text-align: center; }

/* 头部 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--accent), var(--cyan), transparent);
  opacity: 0.55;
}
.brand img { filter: drop-shadow(0 0 6px rgba(109, 93, 246, 0.45)); }
.header-inner { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: var(--text); }
.official-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 999px;
  padding: 2px 9px;
  vertical-align: middle;
}
.footer-brand .official-badge { background: linear-gradient(135deg, var(--primary), var(--cyan)); }
.footer-official-note { margin-top: 10px; font-size: 12.5px; color: rgba(185, 190, 212, 0.75); }
.nav { display: flex; gap: 6px; margin-left: auto; }
.nav a {
  position: relative;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 15px;
  color: var(--text-2);
  font-weight: 500;
  transition: color 0.2s ease;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav a:hover { color: var(--primary); background: rgba(109, 93, 246, 0.07); }
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }
.nav a.active { color: var(--primary); font-weight: 700; }
.brand img { transition: transform 0.4s ease; }
.brand:hover img { transform: rotate(-8deg) scale(1.08); }

/* 首页 Hero：深色科技渐变 + 动画空间背景 */
.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: 100px 0 88px;
  background: linear-gradient(180deg, var(--dark-1) 0%, var(--dark-2) 55%, var(--dark-3) 100%);
}

/* 动态空间背景层（Hero / 内页头部共用） */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

/* 缓慢漂移的极光色块，取代原来静态的紫色渐变 */
.hero-aurora {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
  will-change: transform;
}
.hero-aurora--1 {
  width: 62%;
  height: 130%;
  top: -35%;
  left: -10%;
  background: radial-gradient(closest-side, rgba(109, 93, 246, 0.55), transparent 72%);
  animation: aurora-drift-1 16s ease-in-out infinite;
}
.hero-aurora--2 {
  width: 55%;
  height: 120%;
  top: -25%;
  right: -14%;
  background: radial-gradient(closest-side, rgba(168, 85, 247, 0.5), transparent 72%);
  animation: aurora-drift-2 20s ease-in-out infinite;
}
@keyframes aurora-drift-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(6%, 8%) scale(1.12); }
}
@keyframes aurora-drift-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-8%, 6%) scale(1.08); }
}

/* 缓慢旋转的扫描光束，强化科技感 */
.hero-scan {
  position: absolute;
  inset: -30% -10%;
  background: conic-gradient(
    from 0deg,
    transparent 0deg,
    rgba(34, 211, 238, 0.16) 40deg,
    transparent 90deg,
    transparent 220deg,
    rgba(168, 85, 247, 0.14) 270deg,
    transparent 320deg,
    transparent 360deg
  );
  animation: scan-rotate 26s linear infinite;
  mix-blend-mode: screen;
}
@keyframes scan-rotate {
  to { transform: rotate(360deg); }
}

.hero-grid-plane {
  position: absolute;
  left: -20%;
  right: -20%;
  top: -10%;
  bottom: -10%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.14) 1px, transparent 1px);
  background-size: 46px 46px;
  animation: grid-drift 14s linear infinite;
  -webkit-mask-image: radial-gradient(120% 100% at 50% 0%, black 40%, transparent 92%);
  mask-image: radial-gradient(120% 100% at 50% 0%, black 40%, transparent 92%);
}
.hero-grid-plane--reverse {
  opacity: 0.5;
  background-size: 92px 92px;
  animation: grid-drift-reverse 22s linear infinite;
}
@keyframes grid-drift {
  0% { background-position: 0 0, 0 0; }
  100% { background-position: 46px 46px, 46px 46px; }
}
@keyframes grid-drift-reverse {
  0% { background-position: 0 0, 0 0; }
  100% { background-position: -92px 92px, -92px 92px; }
}

/* 向上漂浮的光点粒子 */
.hero-particles { position: absolute; inset: 0; }
.hero-particle {
  position: absolute;
  bottom: -10px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 6px 1px rgba(255, 255, 255, 0.6);
  opacity: 0;
  animation-name: particle-rise;
  animation-timing-function: ease-in;
  animation-iteration-count: infinite;
}
@keyframes particle-rise {
  0% { transform: translate(0, 0); opacity: 0; }
  8% { opacity: 0.9; }
  85% { opacity: 0.5; }
  100% { transform: translate(var(--drift, 0), -420px); opacity: 0; }
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: blob-float 11s ease-in-out infinite;
}
.hero-glow--1 { width: 340px; height: 340px; background: var(--primary); top: -110px; right: 4%; }
.hero-glow--2 { width: 260px; height: 260px; background: var(--cyan); bottom: -90px; left: 0; animation-delay: -5s; }
@keyframes blob-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-26px) scale(1.08); }
}
.hero-inner { position: relative; z-index: 1; display: flex; align-items: center; gap: 48px; }
.hero-text { flex: 1; }
.hero h1 { font-size: 44px; line-height: 1.32; letter-spacing: 0.5px; color: #fff; }
.hero-sub { margin-top: 18px; font-size: 18px; color: rgba(255, 255, 255, 0.78); }
.hero-note { margin-top: 12px; font-size: 15px; color: rgba(255, 255, 255, 0.65); }
.hero-note strong { color: #fff; font-size: 17px; }
.hero-actions { margin-top: 28px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn-ghost-light { border-color: rgba(255, 255, 255, 0.5); color: #fff; background: transparent; }
.btn-ghost-light:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; }

.qr-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  text-align: center;
}
.qr-card::after {
  content: "";
  position: absolute;
  inset: -8px;
  z-index: -1;
  border-radius: calc(var(--radius) + 8px);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  filter: blur(16px);
  opacity: 0.2;
  animation: pulse-ring 3.2s ease-in-out infinite;
}
@keyframes pulse-ring {
  0%, 100% { opacity: 0.14; transform: scale(1); }
  50% { opacity: 0.34; transform: scale(1.05); }
}
.qr-card img { margin: 0 auto; border-radius: 10px; }
.qr-card p { margin-top: 12px; font-size: 14px; color: var(--text-2); }
.qr-card-sm { padding: 16px; flex-shrink: 0; }
.qr-card-light {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 20px 50px rgba(20, 11, 52, 0.35);
}
.qr-card-light p { color: rgba(255, 255, 255, 0.85); }

/* 数据条 */
.stats {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--accent));
  color: #fff;
}
.stats-inner { display: flex; justify-content: center; flex-wrap: wrap; gap: 18px; padding: 34px 0; position: relative; z-index: 1; }
.stat {
  text-align: center;
  min-width: 160px;
  flex: 1;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  padding: 18px 20px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: transform 0.25s ease, background 0.25s ease;
}
.stat:hover { transform: translateY(-3px); background: rgba(255, 255, 255, 0.16); }
.stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 6px;
}
.stat-icon i { font-size: 24px; line-height: 1; color: rgba(255, 255, 255, 0.92); }
.stat strong { display: block; font-size: 30px; font-weight: 800; }
.stat span:last-child { font-size: 14px; opacity: 0.9; }

/* 通用 Section */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-soft); }
.section-title {
  text-align: center;
  font-size: 32px;
  background: linear-gradient(135deg, var(--text) 45%, var(--primary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section-sub { text-align: center; color: var(--text-2); margin-top: 10px; margin-bottom: 44px; }

/* 鼠标跟随光晕卡片（参考现代作品集站点的 spotlight 交互） */
.spotlight-card {
  position: relative;
  overflow: hidden;
  --mouse-x: 50%;
  --mouse-y: 50%;
}
.spotlight-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.4s ease;
  background: radial-gradient(
    320px circle at var(--mouse-x) var(--mouse-y),
    rgba(109, 93, 246, 0.14),
    rgba(168, 85, 247, 0.06) 38%,
    transparent 68%
  );
  pointer-events: none;
  z-index: 0;
}
.spotlight-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.4s ease;
  background: radial-gradient(
    180px circle at var(--mouse-x) var(--mouse-y),
    rgba(255, 255, 255, 0.55),
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: overlay;
}
.spotlight-card:hover::before,
.spotlight-card:hover::after { opacity: 1; }
.spotlight-card > * { position: relative; z-index: 1; }

/* 统计条上的光晕适配深色底 */
.stat.spotlight-card::before {
  background: radial-gradient(
    260px circle at var(--mouse-x) var(--mouse-y),
    rgba(255, 255, 255, 0.22),
    rgba(255, 255, 255, 0.06) 42%,
    transparent 68%
  );
}
.stat.spotlight-card::after { display: none; }

/* 图标徽章（功能卡 / 场景卡通用） */
.feature-icon, .scenario-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(109, 93, 246, 0.14), rgba(168, 85, 247, 0.14));
  border: 1px solid rgba(109, 93, 246, 0.25);
  margin-bottom: 14px;
  transition: transform 0.35s cubic-bezier(0.22, 0.61, 0.36, 1), background 0.35s ease, border-color 0.35s ease;
}
.feature-icon i, .scenario-icon i {
  font-size: 24px;
  line-height: 1;
  color: var(--primary-dark);
  transition: color 0.35s ease;
}
.feature-card:hover .feature-icon, .scenario-card:hover .scenario-icon {
  transform: scale(1.08) translateY(-2px);
  background: linear-gradient(135deg, rgba(109, 93, 246, 0.22), rgba(168, 85, 247, 0.18));
  border-color: rgba(109, 93, 246, 0.45);
}
.feature-card:hover .feature-icon i, .scenario-card:hover .scenario-icon i { color: var(--primary); }

/* 功能卡片 */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: 0 2px 14px rgba(31, 35, 51, 0.04);
  transition: transform 0.35s cubic-bezier(0.22, 0.61, 0.36, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(109, 93, 246, 0.12); border-color: rgba(109, 93, 246, 0.28); }
.feature-card h3 { margin: 0 0 8px; font-size: 19px; }
.feature-card p { color: var(--text-2); font-size: 15px; }

/* 互动剧专区 */
.section-drama { position: relative; overflow: hidden; }
.drama-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}
.drama-eyebrow { text-align: left; margin-bottom: 10px; }
.drama-title { text-align: left; font-size: 34px; }
.drama-lead { color: var(--text-2); font-size: 16.5px; line-height: 1.75; margin-top: 14px; max-width: 560px; }
.drama-points { display: grid; gap: 12px; margin-top: 22px; padding: 0; list-style: none; }
.drama-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.6;
}
.drama-points li i {
  flex-shrink: 0;
  margin-top: 2px;
  font-size: 18px;
  color: var(--primary);
}
.drama-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.drama-actions .btn { display: inline-flex; align-items: center; gap: 6px; }
.drama-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 36px 30px;
  text-align: center;
  box-shadow: 0 12px 40px rgba(109, 93, 246, 0.1);
}
.drama-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(109, 93, 246, 0.16), rgba(168, 85, 247, 0.12));
  border: 1px solid rgba(109, 93, 246, 0.28);
  margin-bottom: 18px;
}
.drama-card-icon i { font-size: 34px; color: var(--primary-dark); line-height: 1; }
.drama-card h3 { font-size: 20px; margin-bottom: 8px; }
.drama-card p { color: var(--text-2); font-size: 14.5px; }
.drama-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px dashed var(--border);
}
.drama-flow span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(109, 93, 246, 0.08);
  border: 1px solid rgba(109, 93, 246, 0.18);
}
.drama-flow span i, .drama-flow > i { font-size: 18px; color: var(--primary); line-height: 1; }
.drama-flow > i { color: var(--cyan); }

/* 测评卡片 */
.test-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.test-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 14px rgba(31, 35, 51, 0.04);
  transition: transform 0.35s cubic-bezier(0.22, 0.61, 0.36, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}
.test-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(109, 93, 246, 0.1); border-color: rgba(109, 93, 246, 0.22); }
.test-cover { aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-soft); }
.test-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.test-card:hover .test-cover img { transform: scale(1.05); }
.test-body { padding: 18px 20px 20px; }
.test-body h3, .test-card-title { font-size: 17px; line-height: 1.5; font-weight: 700; margin: 0; }
.test-body p { margin-top: 8px; font-size: 14px; color: var(--text-2); }
.test-meta {
  margin-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-2);
}
.test-go { color: var(--primary); font-weight: 600; }

/* 步骤 */
.steps { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.steps::before {
  content: "";
  position: absolute;
  top: 44px;
  left: 80px;
  right: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--cyan));
  opacity: 0.28;
  z-index: 0;
}
.step {
  position: relative;
  z-index: 1;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  text-align: center;
  box-shadow: 0 2px 14px rgba(31, 35, 51, 0.04);
  transition: transform 0.35s cubic-bezier(0.22, 0.61, 0.36, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}
.step:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(109, 93, 246, 0.1); border-color: rgba(109, 93, 246, 0.22); }
.step-num {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 20px;
  font-weight: 800;
}
.step h3 { margin: 14px 0 6px; font-size: 17px; }
.step p { color: var(--text-2); font-size: 14px; }

/* 应用场景 */
.section-scenarios { position: relative; overflow: hidden; }
.section-scenarios::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(109, 93, 246, 0.18) 1.5px, transparent 1.5px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(circle at 50% 10%, black, transparent 75%);
  mask-image: radial-gradient(circle at 50% 10%, black, transparent 75%);
  pointer-events: none;
}
.section-scenarios .container { position: relative; z-index: 1; }

.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.scenario-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px 28px;
  box-shadow: 0 2px 14px rgba(31, 35, 51, 0.04);
  transition: transform 0.35s cubic-bezier(0.22, 0.61, 0.36, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}
.scenario-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(109, 93, 246, 0.12); border-color: rgba(109, 93, 246, 0.28); }
.scenario-index {
  position: absolute;
  bottom: 14px;
  right: 20px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 46px;
  font-weight: 800;
  color: rgba(109, 93, 246, 0.08);
  line-height: 1;
  user-select: none;
  z-index: 0;
}
.scenario-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
.scenario-top .scenario-icon { margin-bottom: 0; }
.scenario-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.scenario-card .scenario-badge {
  margin-bottom: 0;
  flex-shrink: 0;
  background: rgba(109, 93, 246, 0.1);
  color: var(--primary-dark);
  border: 1px solid rgba(109, 93, 246, 0.2);
}
.scenario-card h3 { position: relative; z-index: 1; font-size: 19px; margin: 2px 0 8px; }
.scenario-hook {
  position: relative;
  z-index: 1;
  font-weight: 700;
  color: var(--primary-dark);
  font-size: 14.5px;
  margin-bottom: 14px;
}
.scenario-bullets { position: relative; z-index: 1; display: grid; gap: 9px; }
.scenario-bullets li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-2);
}
.scenario-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}
.scenario-mini-flow {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
}
.scenario-mini-flow .mini-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(109, 93, 246, 0.08);
  border: 1px solid rgba(109, 93, 246, 0.18);
}
.scenario-mini-flow .mini-step i { font-size: 17px; color: var(--primary); line-height: 1; }
.scenario-mini-flow .mini-arrow {
  display: inline-flex;
  align-items: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan);
  animation: arrow-pulse 1.6s ease-in-out infinite;
}
.scenario-mini-flow .mini-arrow i { font-size: 18px; line-height: 1; }
@keyframes arrow-pulse {
  0%, 100% { transform: translateX(0); opacity: 0.6; }
  50% { transform: translateX(4px); opacity: 1; }
}
/* CTA 区块 */
.cta-band { position: relative; overflow: hidden; background: linear-gradient(135deg, var(--primary-dark), var(--accent)); color: #fff; padding: 64px 0; }
.cta-band::before {
  content: "";
  position: absolute;
  top: -60%;
  left: -40%;
  width: 55%;
  height: 220%;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.22), transparent);
  transform: rotate(18deg);
  animation: shimmer-sweep 6s ease-in-out infinite;
  pointer-events: none;
}
@keyframes shimmer-sweep {
  0% { left: -40%; }
  45%, 100% { left: 130%; }
}
.cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-inner h2 { font-size: 30px; }
.cta-inner > div > p { margin-top: 10px; opacity: 0.92; }
.cta-points { display: flex; gap: 12px; margin-top: 20px; font-size: 14.5px; flex-wrap: wrap; padding: 0; }
.cta-points li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  padding: 7px 16px;
  backdrop-filter: blur(4px);
}
.cta-points li i { font-size: 15px; line-height: 1; }

/* 内页头部：与首页 Hero 呼应的深色科技渐变 */
.page-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: 68px 0 58px;
  background:
    radial-gradient(700px 340px at 88% -25%, rgba(168, 85, 247, 0.4), transparent 60%),
    radial-gradient(500px 260px at 5% 110%, rgba(34, 211, 238, 0.22), transparent 60%),
    linear-gradient(180deg, var(--dark-1) 0%, var(--dark-2) 100%);
}
.page-hero .hero-glow--1 { width: 280px; height: 280px; top: -80px; right: 8%; opacity: 0.4; }
.page-hero .hero-glow--2 { width: 200px; height: 200px; bottom: -60px; left: 5%; opacity: 0.35; }
.page-hero .hero-aurora--1, .page-hero .hero-aurora--2 { opacity: 0.4; }
.page-hero .hero-particles { display: none; }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: 32px; color: #fff; }
.page-hero p { margin-top: 8px; color: rgba(255, 255, 255, 0.75); }
.breadcrumb { font-size: 13px; color: rgba(255, 255, 255, 0.55); margin-bottom: 12px; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { margin: 0 6px; }
.breadcrumb span:last-child { margin: 0; color: #fff; }

/* 详情页 */
.detail-layout { display: grid; grid-template-columns: 1fr 320px; gap: 36px; align-items: start; }
.detail-main h2 { font-size: 22px; margin: 34px 0 12px; }
.detail-main h2:first-of-type { margin-top: 0; }
.detail-cover { border-radius: var(--radius); overflow: hidden; margin-bottom: 28px; box-shadow: var(--shadow); }
.detail-intro { font-size: 16px; color: var(--text-2); }
.detail-meta-line { display: flex; gap: 8px; flex-wrap: wrap; }
.question-list { padding-left: 22px; display: grid; gap: 18px; margin-top: 14px; }
.question-list > li::marker { color: var(--primary); font-weight: 700; }
.question-title { font-size: 16px; font-weight: 700; }
.option-list { margin-top: 8px; display: grid; gap: 6px; }
.option-list li {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 14px;
  color: var(--text-2);
}
.result-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.result-tag {
  background: rgba(109, 93, 246, 0.08);
  border: 1px solid rgba(109, 93, 246, 0.25);
  color: var(--primary-dark);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 14px;
  font-weight: 600;
}
.disclaimer {
  margin-top: 36px;
  padding: 12px 16px;
  background: var(--bg-soft);
  border-left: 3px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-2);
}
.qr-sticky { position: sticky; top: 84px; }
.qr-title { font-weight: 600; color: var(--text) !important; }
.qr-tip { font-size: 12px !important; }
.side-card {
  margin-top: 20px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.side-card h3 { font-size: 17px; }
.side-card p { margin: 8px 0 16px; font-size: 14px; color: var(--text-2); }

/* 指南页 */
.guide-content { max-width: 820px; }
.guide-callout {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: linear-gradient(135deg, rgba(109, 93, 246, 0.08), rgba(168, 85, 247, 0.06));
  border: 1px solid rgba(109, 93, 246, 0.22);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 36px;
}
.guide-callout-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
}
.guide-callout-icon i { font-size: 24px; line-height: 1; }
.guide-callout h2 { font-size: 18px; margin: 0 0 8px; }
.guide-callout p { color: var(--text-2); font-size: 14.5px; margin: 0; line-height: 1.7; }
.guide-ext-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 12px;
  font-weight: 600;
  color: var(--primary-dark);
}
.guide-ext-link:hover { color: var(--primary); }
.guide-note { margin-top: 12px; font-size: 14.5px; color: var(--text-2); }
.guide-note a { color: var(--primary-dark); font-weight: 600; }
.guide-links { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 14px; }
.guide-content h2 { font-size: 22px; margin: 40px 0 14px; }
.guide-content h2:first-of-type { margin-top: 0; }
.guide-callout + h2 { margin-top: 0; }
.guide-content > p { color: var(--text-2); }
.guide-step { display: flex; gap: 28px; align-items: flex-start; }
.guide-step-text p { color: var(--text-2); margin-bottom: 10px; }
.guide-list { display: grid; gap: 8px; margin-top: 10px; padding-left: 2px; }
.guide-list li {
  position: relative;
  padding-left: 24px;
  color: var(--text-2);
}
.guide-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}
.faq-list { display: grid; gap: 12px; margin-top: 10px; }
.faq-item {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px 20px;
}
.faq-item summary {
  cursor: pointer;
  padding: 16px 0;
  font-weight: 700;
  font-size: 15.5px;
  list-style: none;
  position: relative;
  padding-right: 24px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 14px;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  transition: transform 0.25s ease;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p { color: var(--text-2); font-size: 14.5px; padding-bottom: 16px; }

.cta-inline {
  margin-top: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.cta-inline h2 { margin: 0 0 6px !important; }
.cta-inline p { color: var(--text-2); }

/* 关于页 */
.official-notice {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  flex-wrap: wrap;
  background: linear-gradient(135deg, rgba(109, 93, 246, 0.07), rgba(168, 85, 247, 0.07));
  border: 1px solid rgba(109, 93, 246, 0.22);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 28px;
}
.official-notice .scenario-badge { margin-bottom: 0; flex-shrink: 0; }
.official-notice p { color: var(--text-2); font-size: 14.5px; line-height: 1.7; margin: 0; }
.official-notice strong { color: var(--text); }
.about-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.about-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.about-card h2 { font-size: 20px; margin-bottom: 12px; }
.about-card p { color: var(--text-2); margin-bottom: 8px; }
.about-card img { margin: 10px auto; }

/* 错误页 */
.errpage { padding: 110px 0; }
.errpage h1 { font-size: 56px; }
.errpage p { color: var(--text-2); margin: 12px 0 28px; }

/* 页脚 */
.site-footer {
  position: relative;
  background: #191c2b;
  color: #b9bed4;
  padding: 56px 0 28px;
  margin-top: 0;
  border-top: 2px solid transparent;
  background-image:
    linear-gradient(#191c2b, #191c2b),
    linear-gradient(90deg, var(--primary), var(--accent), var(--cyan));
  background-origin: border-box;
  background-clip: padding-box, border-box;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.footer-brand .brand { color: #fff; margin-bottom: 12px; }
.footer-col h3 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.footer-col ul { display: grid; gap: 8px; }
.footer-col a { font-size: 14px; color: #b9bed4; }
.footer-col a:hover { color: #fff; }
.footer-col p { font-size: 14px; }
.footer-bottom {
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
}
.footer-bottom a:hover { color: #fff; }

/* 响应式 */
@media (max-width: 960px) {
  .hero-inner { flex-direction: column; text-align: center; }
  .hero h1 { font-size: 32px; }
  .hero-actions { justify-content: center; }
  .feature-grid, .test-grid, .about-grid, .scenario-grid { grid-template-columns: repeat(2, 1fr); }
  .drama-layout { grid-template-columns: 1fr; gap: 28px; }
  .drama-title, .drama-eyebrow { text-align: center; }
  .drama-lead { max-width: none; text-align: center; margin-left: auto; margin-right: auto; }
  .drama-actions { justify-content: center; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .detail-layout { grid-template-columns: 1fr; }
  .qr-sticky { position: static; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-points { justify-content: center; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .steps::before { display: none; }
}

@media (max-width: 600px) {
  .nav { display: none; }
  .header-cta { margin-left: auto; }
  .feature-grid, .test-grid, .steps, .about-grid, .scenario-grid { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 48px; }
  .hero h1 { font-size: 27px; }
  .section { padding: 48px 0; }
  .section-title { font-size: 25px; }
  .guide-step { flex-direction: column; }
  .cta-inline { flex-direction: column; text-align: center; }
  .footer-bottom { justify-content: center; text-align: center; }
  .scenario-card { padding: 24px 20px; }
}