/* 糖心vlog 通用样式 */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    system-ui, sans-serif;
  color: #222;
  background-color: #fff7fb;
  line-height: 1.6;
}

a {
  color: #ff4a88;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

header {
  background: #ffffff;
  border-bottom: 1px solid rgba(255, 148, 194, 0.25);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

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

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 14px;
  background: linear-gradient(135deg, #ff75b3, #ffb86c);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 18px;
}

.logo-text-main {
  font-weight: 700;
  font-size: 18px;
  color: #ff4a88;
}

.logo-text-sub {
  font-size: 12px;
  color: #999;
}

.nav-links {
  display: flex;
  gap: 18px;
  align-items: center;
  font-size: 14px;
}

.nav-links a {
  padding: 6px 10px;
  border-radius: 999px;
}

.nav-links a.active,
.nav-links a:hover {
  background: #ffe7f3;
}

.nav-cta {
  padding: 8px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ff75b3, #ffb86c);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
}

.nav-cta:hover {
  text-decoration: none;
  opacity: 0.92;
}

.hero {
  background: radial-gradient(circle at top left, #ffe3f0 0, #fff7fb 45%, #ffffff 100%);
  padding: 40px 0 32px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #ffd5eb;
  font-size: 12px;
  color: #ff4a88;
  margin-bottom: 10px;
}

.hero-title {
  font-size: 34px;
  font-weight: 800;
  color: #ff4a88;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}

.hero-title span {
  color: #ff9f5f;
}

.hero-subtitle {
  font-size: 16px;
  color: #555;
  margin-bottom: 20px;
}

.hero-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.chip {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: #fff;
  border: 1px dashed #ffc6df;
  color: #ff4a88;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.btn-primary {
  padding: 10px 20px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, #ff75b3, #ffb86c);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.btn-ghost {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid #ffd5eb;
  background: rgba(255, 255, 255, 0.8);
  color: #ff4a88;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12px;
  color: #999;
}

.hero-visual {
  border-radius: 24px;
  padding: 10px;
  background: linear-gradient(145deg, #ffebf5, #ffe7d1);
  box-shadow: 0 16px 40px rgba(255, 148, 194, 0.3);
}

.hero-visual-inner {
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.stat-card {
  padding: 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #ffe1f0;
}

.stat-number {
  font-size: 18px;
  font-weight: 700;
  color: #ff4a88;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 12px;
  color: #777;
}

.section {
  padding: 32px 0;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.section-title {
  font-size: 20px;
  font-weight: 700;
  color: #333;
}

.section-subtitle {
  font-size: 13px;
  color: #999;
}

.link-more {
  font-size: 13px;
  color: #ff4a88;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.video-card,
.feature-card,
.case-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid #f3e4f0;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 18px rgba(221, 170, 210, 0.28);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.video-card:hover,
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(212, 144, 198, 0.34);
}

.video-cover {
  position: relative;
  background: #f9f6ff;
}

.video-cover img {
  height: 140px;
  width: 100%;
  object-fit: cover;
}

.video-play-btn {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
  opacity: 0;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.video-play-btn::before {
  content: "";
  display: block;
  width: 0;
  height: 0;
  border-left: 12px solid #ff4a88;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  margin-left: 2px;
}

.video-card:hover .video-play-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.video-duration {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.72);
  color: #fff;
  font-size: 11px;
}

.video-tag {
  position: absolute;
  left: 10px;
  bottom: 10px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  font-size: 11px;
}

.card-body {
  padding: 10px 12px 12px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: #333;
  margin-bottom: 4px;
}

.card-meta {
  font-size: 12px;
  color: #999;
  margin-bottom: 6px;
}

.card-desc {
  font-size: 12px;
  color: #777;
}

.video-footer {
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.video-author {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #999;
}

.video-author-avatar {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ff9f5f, #ff75b3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 12px;
}

.video-stats {
  font-size: 11px;
  color: #bbb;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.pill {
  padding: 2px 8px;
  border-radius: 999px;
  background: #fff7fb;
  border: 1px dashed #ffd5eb;
  font-size: 11px;
  color: #ff4a88;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 24px;
}

.list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.list-item {
  padding: 10px 12px;
  border-radius: 12px;
  background: #fff;
  border: 1px dashed #ffe1f0;
}

.list-item-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

.list-item-meta {
  font-size: 12px;
  color: #999;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.faq-item {
  padding: 12px 14px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid #ffe1f0;
}

.faq-q {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}

.faq-a {
  font-size: 12px;
  color: #777;
}

footer {
  margin-top: auto;
  background: #1b1120;
  color: #eee;
  padding: 26px 0 18px;
  font-size: 12px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 24px;
  margin-bottom: 20px;
}

.footer-title {
  font-weight: 600;
  margin-bottom: 8px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-links a {
  color: #ccc;
  font-size: 12px;
}

.footer-bottom {
  border-top: 1px solid #37263f;
  padding-top: 10px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  color: #888;
}

.breadcrumb {
  font-size: 12px;
  color: #999;
  margin-bottom: 10px;
}

.article-layout {
  padding: 26px 0 30px;
}

.article-header h1 {
  font-size: 24px;
  margin-bottom: 8px;
  color: #333;
}

.article-meta {
  font-size: 12px;
  color: #999;
  margin-bottom: 16px;
}

.article-cover {
  border-radius: 18px;
  overflow: hidden;
  margin-bottom: 18px;
}

.article-content p {
  margin-bottom: 12px;
  font-size: 14px;
  color: #444;
}

.article-content h2 {
  font-size: 18px;
  margin: 18px 0 8px;
  color: #333;
}

.article-tags {
  margin-top: 14px;
}

.article-tags span {
  display: inline-block;
  padding: 3px 8px;
  margin-right: 6px;
  margin-bottom: 4px;
  border-radius: 999px;
  background: #fff7fb;
  border: 1px solid #ffd5eb;
  font-size: 11px;
  color: #ff4a88;
}

.back-home {
  margin-top: 18px;
  font-size: 13px;
}

.back-home a {
  color: #ff4a88;
}

@media (max-width: 960px) {
  .hero-grid,
  .two-col {
    grid-template-columns: minmax(0, 1fr);
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  header {
    position: static;
  }

  .nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 24px;
  }

  .hero-title {
    font-size: 26px;
  }

  .card-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .faq-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}