/* 云手机 - video.hackrobot.cn 课程落地页风格 */

.root {
  min-height: 100vh;
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 50%, #e2e8f0 100%);
  color: #1e293b;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0f172a;
  text-decoration: none;
}

.logo:hover {
  color: #0284c7;
}

.backLink {
  font-size: 0.9rem;
  color: #64748b;
  text-decoration: none;
}

.backLink:hover {
  color: #0284c7;
}

/* Hero */
.hero {
  text-align: center;
  padding: 4rem 1.5rem 3rem;
  max-width: 800px;
  margin: 0 auto;
}

.heroTitle {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: #0f172a;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.heroSubtitle {
  font-size: 1.1rem;
  color: #475569;
  margin: 0 0 2rem;
  line-height: 1.6;
}

.stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

.stat {
  text-align: center;
}

.statValue {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: #0284c7;
  margin-bottom: 0.25rem;
}

.statLabel {
  font-size: 0.9rem;
  color: #64748b;
}

.ctaBtn {
  display: inline-block;
  padding: 0.9rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  color: white;
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  border-radius: 9999px;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
  transition: transform 0.15s, box-shadow 0.15s;
}

.ctaBtn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.5);
}

/* Sections */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.section h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #0f172a;
  text-align: center;
  margin: 0 0 0.75rem;
}

.sectionDesc {
  text-align: center;
  color: #64748b;
  margin: 0 0 2rem;
  line-height: 1.6;
}

/* 这门课适合谁 */
.audienceGrid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .audienceGrid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .audienceGrid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.audienceCard {
  padding: 1.5rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  border: 1px solid #f1f5f9;
  transition: box-shadow 0.2s, transform 0.2s;
}

.audienceCard:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.audienceIcon {
  font-size: 2rem;
  display: block;
  margin-bottom: 0.75rem;
}

.audienceCard h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: #0f172a;
  margin: 0 0 0.5rem;
}

.audienceCard p {
  font-size: 0.9rem;
  color: #64748b;
  margin: 0;
  line-height: 1.5;
}

/* 学完你将获得 */
.benefitsList {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.benefitItem {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  background: white;
  border-radius: 12px;
  border: 1px solid #f1f5f9;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.benefitNum {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: white;
  font-weight: 700;
  font-size: 1rem;
  border-radius: 10px;
}

.benefitItem h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: #0f172a;
  margin: 0 0 0.35rem;
}

.benefitItem p {
  font-size: 0.9rem;
  color: #64748b;
  margin: 0;
  line-height: 1.5;
}

/* 实战课程 - 复刻 video.hackrobot.cn 样式 */
.curriculum {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.curriculumBlock {
  background: white;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  overflow: hidden;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.curriculumBlock:hover {
  border-color: #cbd5e1;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.curriculumHeader {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-bottom: 1px solid #e2e8f0;
  cursor: default;
}

.curriculumHeaderIcon {
  font-size: 1rem;
  color: #0284c7;
  flex-shrink: 0;
}

.curriculumTitle {
  flex: 1;
  font-size: 1rem;
  font-weight: 600;
  color: #0f172a;
  margin: 0;
}

.curriculumCount {
  font-size: 0.8rem;
  font-weight: 500;
  color: #64748b;
  background: #e2e8f0;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
}

.curriculumList {
  margin: 0;
  padding: 0.5rem 0;
  list-style: none;
}

.curriculumItem {
  margin: 0;
  padding: 0;
}

.curriculumItemLink {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  color: #334155;
  text-decoration: none;
  font-size: 0.95rem;
  transition: background 0.15s, color 0.15s;
}

.curriculumItemLink:hover {
  background: #f0f9ff;
  color: #0284c7;
}

.curriculumItemLink::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #cbd5e1;
  flex-shrink: 0;
}

.curriculumItemLink:hover::before {
  background: #0284c7;
}

.curriculumTryBadge {
  font-size: 0.75rem;
  color: #0284c7;
  margin-left: 0.25rem;
  flex-shrink: 0;
}

.curriculumArrow {
  margin-left: auto;
  font-size: 0.85rem;
  color: #94a3b8;
}

.curriculumItemLink:hover .curriculumArrow {
  color: #0284c7;
}

/* FAQ */
.faq {
  max-width: 600px;
  margin: 0 auto;
}

.faqItem {
  padding: 1rem 1.25rem;
  background: white;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  margin-bottom: 0.75rem;
}

.faqQ {
  font-size: 0.95rem;
  font-weight: 500;
  color: #334155;
}

/* CTA Section */
.ctaSection {
  text-align: center;
  padding: 4rem 1.5rem;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: white;
}

.ctaSection h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  margin: 0 0 0.5rem;
}

.ctaSection p {
  font-size: 1rem;
  color: #94a3b8;
  margin: 0 0 1rem;
}

.ctaFeatures {
  font-size: 0.9rem;
  color: #64748b;
  margin-bottom: 1.5rem;
}

.ctaSection .ctaBtn {
  background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
}

/* Footer */
.footer {
  text-align: center;
  padding: 2rem 1.5rem;
  border-top: 1px solid #e2e8f0;
}

.footer p {
  font-size: 0.9rem;
  color: #64748b;
  margin: 0 0 0.5rem;
}

.footer a {
  font-size: 0.85rem;
  color: #0284c7;
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}