* { box-sizing: border-box; }
body {
  margin: 0;
  background: #f8eff5;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  color: #2b2b2b;
}
a { text-decoration: none; color: inherit; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 18px; }

header {
  background: #fff;
  border-bottom: 1px solid #f0dce6;
}
.topbar {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
}
.top-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.brand {
  font-size: 20px;
  color: #ff4a93;
  font-weight: 700;
  line-height: 1.2;
}
.site-sub {
  font-size: 12px;
  color: #9a8b93;
}
.menu {
  display: flex;
  gap: 24px;
  font-size: 14px;
  color: #666;
}
.menu a.active, .menu a:hover { color: #ff4a93; }
.menu-right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.top-btn {
  background: linear-gradient(135deg, #ff72ac, #ff4a93);
  color: #fff;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
}
.top-btn.soft {
  background: #fff;
  color: #ff4a93;
  border: 1px solid #ffc7de;
}

.hero {
  margin-top: 22px;
  background: #fff7fb;
  border: 1px solid #f4dce8;
  border-radius: 16px;
  padding: 26px;
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 24px;
  align-items: stretch;
}
.hero h1 {
  margin: 0 0 12px;
  font-size: 40px;
  line-height: 1.25;
  color: #ff4a93;
}
.hero p {
  margin: 0 0 12px;
  color: #6b5a63;
  line-height: 1.85;
}
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 14px;
}
.badges span {
  background: #fff;
  border: 1px solid #ffd3e5;
  border-radius: 999px;
  color: #ff4a93;
  font-size: 12px;
  padding: 6px 10px;
}
.cta {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}
.btn-main, .btn-soft {
  padding: 10px 18px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 700;
}
.btn-main {
  background: linear-gradient(135deg, #ff72ac, #ff4a93);
  color: #fff;
}
.btn-soft {
  border: 1px solid #ffc7de;
  color: #ff4a93;
  background: #fff;
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 10px;
}
.stats div {
  background: #fff;
  border: 1px solid #f4dce8;
  border-radius: 10px;
  padding: 12px;
  font-size: 12px;
  color: #7b6a74;
}
.stats b {
  display: block;
  color: #ff4a93;
  font-size: 18px;
  margin-bottom: 4px;
}
.hero-right {
  height: 100%;
}
.hero-right img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid #f3dbe6;
}

.block {
  margin-top: 22px;
  background: #fff;
  border: 1px solid #f0dce6;
  border-radius: 14px;
  padding: 18px;
}
.block h2 {
  margin: 0 0 8px;
  font-size: 28px;
}
.block p {
  margin: 0;
  color: #6d5f67;
  line-height: 1.9;
}
.second-module {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.panel {
  background: #fff;
  border: 1px solid #f0dce6;
  border-radius: 14px;
  padding: 16px;
}
.panel h2 {
  margin: 0 0 10px;
  font-size: 28px;
}
.panel p {
  margin: 0 0 12px;
  color: #6d5f67;
  line-height: 1.85;
}
.line-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.line-list li {
  padding: 11px 0;
  border-bottom: 1px solid #f3e3ec;
}
.line-list li:last-child {
  border-bottom: 0;
}
.line-list b {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
  color: #3b2f35;
}
.line-list span {
  display: block;
  font-size: 13px;
  color: #8d7f87;
}
.tool-card {
  border: 1px solid #f2dbe7;
  border-radius: 12px;
  background: #fff9fd;
  padding: 12px;
  margin-bottom: 10px;
}
.tool-card:last-child {
  margin-bottom: 0;
}
.tool-card h3 {
  margin: 0 0 4px;
  font-size: 15px;
  color: #3b2f35;
}
.tool-card p {
  margin: 0;
  font-size: 13px;
  color: #8d7f87;
}
.third-module {
  margin-top: 22px;
}
.third-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
}
.third-head h2 {
  margin: 0;
  font-size: 30px;
}
.third-head a {
  font-size: 13px;
  color: #ff4a93;
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.case-card {
  background: #fff;
  border: 1px solid #efdbe6;
  border-radius: 10px;
  overflow: hidden;
}
.case-card img {
  width: 100%;
  height: 116px;
  object-fit: cover;
  display: block;
}
.case-card .info {
  padding: 10px;
}
.case-card h3 {
  margin: 0 0 6px;
  font-size: 14px;
  line-height: 1.5;
}
.case-card p {
  margin: 0;
  font-size: 12px;
  color: #8d7f87;
}
.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.faq-item {
  background: #fff;
  border: 1px solid #efdbe6;
  border-radius: 10px;
  padding: 12px;
}
.faq-item b {
  display: block;
  font-size: 14px;
  margin-bottom: 6px;
  color: #3b2f35;
}
.faq-item p {
  margin: 0;
  font-size: 12px;
  line-height: 1.75;
  color: #8d7f87;
}

.video-section {
  margin-top: 22px;
}
.download-guide {
  margin-top: 22px;
  background: #f8eff5;
  border: 1px solid #f0dce6;
  border-radius: 14px;
  padding: 18px;
}
.download-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 12px;
}
.download-item {
  border: 1px solid #f2dbe7;
  border-radius: 12px;
  background: #fff9fd;
  padding: 14px;
}
.download-item h3 {
  margin: 0 0 8px;
  font-size: 22px;
}
.download-item p {
  margin: 0;
  color: #6d5f67;
  line-height: 1.8;
  font-size: 14px;
}
.download-system {
  display: flex;
  align-items: center;
  gap: 10px;
}
.download-system .icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #ffe3ef;
  color: #ff4a93;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}
.download-system b {
  display: block;
  font-size: 24px;
  margin-bottom: 3px;
}
.download-system span {
  color: #8d7f87;
  font-size: 13px;
}
.mini-btn {
  display: inline-block;
  margin-top: 10px;
  background: linear-gradient(135deg, #ff72ac, #ff4a93);
  color: #fff;
  border-radius: 999px;
  font-size: 13px;
  padding: 7px 14px;
}
.feature-title,
.steps-title {
  margin: 22px 0 10px;
  text-align: center;
  font-size: 30px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.feature-card {
  border: 1px solid #f2dbe7;
  border-radius: 10px;
  background: #fff;
  padding: 12px;
}
.feature-card .top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.feature-card .dot {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #ffe3ef;
  color: #ff4a93;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.feature-card b {
  font-size: 18px;
}
.feature-card p {
  margin: 0;
  color: #8d7f87;
  font-size: 12px;
  line-height: 1.8;
}
.steps-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 22px 0 10px;
}
.steps-head h2 {
  margin: 0;
  font-size: 30px;
}
.steps-head a {
  font-size: 13px;
  color: #ff4a93;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.step-card {
  border: 1px solid #f2dbe7;
  border-radius: 10px;
  background: #fff;
  padding: 12px;
}
.step-no {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #ff4a93;
  color: #fff;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}
.step-card b {
  display: block;
  margin-bottom: 4px;
}
.step-card p {
  margin: 0;
  font-size: 12px;
  color: #8d7f87;
  line-height: 1.75;
}
.video-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
}
.video-head h2 {
  margin: 0;
  font-size: 30px;
}
.video-head a {
  color: #ff4a93;
  font-size: 13px;
}
.videos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.video-card {
  background: #fff;
  border: 1px solid #efdbe6;
  border-radius: 10px;
  overflow: hidden;
}
.video-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  object-position: center center;
  display: block;
}
.video-card .info {
  padding: 10px;
}
.video-card h3 {
  margin: 0 0 6px;
  font-size: 14px;
  line-height: 1.5;
}
.video-card p {
  margin: 0;
  font-size: 12px;
  color: #8d7f87;
}

footer {
  margin-top: 28px;
  background: #ff4a93;
  color: #fff;
}
footer .wrap {
  padding: 18px;
  font-size: 13px;
  line-height: 1.8;
}

@media (max-width: 980px) {
  .menu { display: none; }
  .site-sub { display: none; }
  .top-btn.soft { display: none; }
  .menu-right { margin-left: auto; }
  .hero { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .videos { grid-template-columns: repeat(2, 1fr); }
  .second-module { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: 1fr; }
}