:root {
  --bg-page: #0D1117;
  --bg-elevated: #161B22;
  --bg-card: rgba(22, 27, 34, 0.74);
  --bg-footer: #080B11;
  --text-main: #FFFFFF;
  --text-muted: #A0A8C0;
  --brand-purple: #6C5CE7;
  --brand-cyan: #00D2FF;
  --success-green: #00C853;
  --divider: rgba(255, 255, 255, 0.08);
  --wood-frame: #C4A484;
  --mat-card: #F6F1E6;
  --dark-rose: #8C3A4A;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-page);
  color: var(--text-main);
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
}

body {
  background-color: var(--bg-page);
  color: var(--text-main);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
  margin-left: auto;
  margin-right: auto;
}

/* 1. 顶栏 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 72px;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-bottom: 1px solid var(--divider);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
}

.brand-badge {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--brand-purple), var(--brand-cyan));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  color: #fff;
}

.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-main);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  font-size: 15px;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--text-main);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--divider);
  font-size: 13px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
}

/* 按钮组件 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 26px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand-purple), var(--brand-cyan));
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease;
  white-space: nowrap;
}

.btn-primary.btn-sm {
  height: 38px;
  padding: 0 18px;
  font-size: 14px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 26px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: var(--text-main);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}

.btn-primary:hover,
.btn-outline:hover {
  transform: translateY(-4px);
}

/* 区块交替背景 */
.section-dark {
  background-color: var(--bg-page);
  padding: 96px 0;
  border-bottom: 1px solid var(--divider);
}

.section-elevated {
  background-color: var(--bg-elevated);
  padding: 96px 0;
  border-bottom: 1px solid var(--divider);
}

/* 通用区块头部 */
.section-header {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-eyebrow {
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-cyan);
  letter-spacing: 1.2px;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.28;
  margin-bottom: 14px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
}

/* 2. Hero 区块 */
.hero-section {
  padding: 92px 0;
  background-color: var(--bg-page);
  border-bottom: 1px solid var(--divider);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(0, 200, 83, 0.1);
  border: 1px solid rgba(0, 200, 83, 0.3);
  font-size: 13px;
  color: #E6FFF0;
  margin-bottom: 22px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--success-green);
}

.hero-title {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.18;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-title .grad-line {
  display: block;
  background: linear-gradient(135deg, var(--brand-purple), var(--brand-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.hero-promises {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  list-style: none;
}

.hero-promises li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
}

.check-icon {
  color: var(--success-green);
  font-weight: 700;
}

/* 右栏样机：干花框 · 浅木框 #C4A484，衬卡 #F6F1E6，两枝干花，手写标题「快连」，右下采集日期（官网与下载的小字），暗玫瑰 #8C3A4A */
.mockup-wrapper {
  position: relative;
}

.mockup-glow {
  position: absolute;
  inset: -16px;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 45%, rgba(196, 164, 132, 0.18), rgba(140, 58, 74, 0.12), transparent 70%);
}

.herbarium-frame {
  position: relative;
  z-index: 1;
  background-color: var(--wood-frame);
  border: 8px solid #AD8B6B;
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.52);
}

.herbarium-mat {
  background-color: var(--mat-card);
  color: #2B2118;
  border: 1px solid rgba(140, 58, 74, 0.25);
  border-radius: 10px;
  padding: 18px;
  position: relative;
}

.herbarium-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px dashed rgba(140, 58, 74, 0.35);
  padding-bottom: 10px;
  margin-bottom: 14px;
}

.specimen-code {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--dark-rose);
}

.handwritten-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--dark-rose);
  letter-spacing: 4px;
  font-style: italic;
  line-height: 1.1;
}

/* 两枝干花展示区 */
.dried-flowers-stage {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 14px;
}

.flower-branch-card {
  background: rgba(196, 164, 132, 0.16);
  border: 1px solid rgba(140, 58, 74, 0.22);
  border-radius: 8px;
  padding: 12px;
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
}

.branch-visual {
  width: 38px;
  height: 54px;
  position: relative;
  flex-shrink: 0;
}

.branch-stem {
  position: absolute;
  left: 18px;
  top: 6px;
  bottom: 4px;
  width: 2px;
  background: #6E4F3A;
  transform: rotate(-8deg);
}

.branch-petal {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50% 50% 50% 10%;
  background: var(--dark-rose);
  top: 4px;
  left: 11px;
}

.branch-petal.second {
  width: 11px;
  height: 11px;
  top: 18px;
  left: 20px;
  opacity: 0.85;
}

.branch-tape {
  position: absolute;
  left: 10px;
  bottom: 10px;
  width: 18px;
  height: 5px;
  background: rgba(196, 164, 132, 0.85);
  transform: rotate(12deg);
}

.branch-note strong {
  display: block;
  font-size: 13px;
  color: var(--dark-rose);
  margin-bottom: 2px;
}

.branch-note span {
  font-size: 11px;
  color: #5A4638;
}

/* 标本框内嵌运行状态屏幕 + 3个微型指标 */
.specimen-screen {
  background: #0D1117;
  color: #FFFFFF;
  border-radius: 10px;
  padding: 12px;
  border: 1px solid rgba(196, 164, 132, 0.45);
  margin-bottom: 12px;
}

.screen-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.screen-top img {
  width: 42px;
  height: 42px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid rgba(196, 164, 132, 0.5);
}

.screen-top strong {
  display: block;
  font-size: 13px;
  color: #FFFFFF;
}

.screen-top span {
  font-size: 12px;
  color: var(--success-green);
  font-weight: 600;
}

.micro-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.micro-metric-box {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  padding: 6px 4px;
  text-align: center;
}

.micro-metric-box .m-label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
}

.micro-metric-box .m-val {
  font-size: 13px;
  font-weight: 700;
  color: #FFFFFF;
}

/* 右下采集日期行：写成官网与下载的小字 */
.collection-date-row {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--dark-rose);
  font-weight: 600;
  border-top: 1px solid rgba(140, 58, 74, 0.2);
  padding-top: 8px;
}

/* 3. 信任条 Trust */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-bottom: 36px;
}

.trust-item {
  background: var(--bg-card);
  border: 1px solid var(--divider);
  border-radius: 16px;
  padding: 28px 24px;
  text-align: center;
}

.trust-num {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 8px;
}

.trust-num span {
  color: var(--brand-cyan);
}

.trust-text {
  font-size: 14px;
  color: var(--text-muted);
}

.trust-marquee {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 28px;
  padding: 18px 20px;
  border-top: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
  margin-bottom: 16px;
}

.trust-marquee span {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.6px;
}

.trust-footnote {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

/* 通用卡片与胶囊 */
.ui-card {
  background: var(--bg-card);
  border: 1px solid var(--divider);
  border-radius: 16px;
  padding: 30px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.ui-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 210, 255, 0.3);
}

.pill-cyan,
.pill-green {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.pill-cyan {
  background: rgba(0, 210, 255, 0.12);
  color: var(--brand-cyan);
  border: 1px solid rgba(0, 210, 255, 0.28);
}

.pill-green {
  background: rgba(0, 200, 83, 0.12);
  color: var(--success-green);
  border: 1px solid rgba(0, 200, 83, 0.28);
}

/* 4. 核心功能 Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.feature-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(108, 92, 231, 0.16);
  border: 1px solid rgba(108, 92, 231, 0.35);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--brand-cyan);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 22px;
  line-height: 1.65;
}

/* 5. 使用场景 Scenarios */
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.scenario-card {
  display: flex;
  align-items: flex-start;
  gap: 22px;
}

.scenario-num {
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
  color: var(--brand-cyan);
  min-width: 52px;
}

.scenario-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.scenario-body p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.scenario-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* 6. 能力可视化 Showcase */
.showcase-box {
  background: var(--bg-card);
  border: 1px solid var(--divider);
  border-radius: 22px;
  padding: 32px;
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  align-items: center;
  margin-bottom: 22px;
}

.showcase-board {
  background: var(--mat-card);
  color: #2B2118;
  border: 4px solid var(--wood-frame);
  border-radius: 16px;
  padding: 20px;
}

.showcase-board h3 {
  color: var(--dark-rose);
  font-size: 16px;
  margin-bottom: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.showcase-plaque-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.showcase-mini {
  background: rgba(196, 164, 132, 0.2);
  border-left: 3px solid var(--dark-rose);
  border-radius: 8px;
  padding: 12px;
}

.showcase-mini strong {
  display: block;
  font-size: 14px;
  color: var(--dark-rose);
  margin-bottom: 4px;
}

.showcase-mini span {
  font-size: 12px;
  color: #4A382B;
}

.showcase-media-pair {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.showcase-media-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 10px;
}

.showcase-media-card img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 8px;
}

.showcase-media-card p {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

.showcase-status-bar {
  border-top: 1px solid var(--divider);
  padding-top: 16px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

/* 7. 用户评价 Reviews */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.review-stars {
  color: #FFB800;
  font-size: 15px;
  letter-spacing: 2px;
  margin-bottom: 14px;
}

.review-quote {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 22px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar-block {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand-purple), var(--brand-cyan));
  color: #fff;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.author-meta strong {
  display: block;
  font-size: 14px;
}

.author-meta span,
.review-source {
  font-size: 12px;
  color: var(--text-muted);
}

.review-source {
  margin-top: 10px;
}

/* 8. 获取入口 Download */
.download-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.download-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.platform-badge {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--mat-card);
  color: var(--dark-rose);
  font-weight: 800;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border: 2px solid var(--wood-frame);
}

.download-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 8px;
}

.download-card p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 22px;
}

.download-card .btn-primary,
.download-card .btn-outline,
.pricing-card .btn-primary,
.pricing-card .btn-outline {
  width: 100%;
}

/* 9. 价格方案 Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  align-items: stretch;
  margin-bottom: 44px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--divider);
  border-radius: 20px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
}

.pricing-card.recommended {
  border-color: var(--brand-cyan);
  box-shadow: 0 0 28px rgba(0, 210, 255, 0.14);
}

.plan-name-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.plan-name {
  font-size: 20px;
  font-weight: 700;
}

.plan-tagline {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.plan-price {
  font-size: 38px;
  font-weight: 800;
}

.plan-price span {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-muted);
}

.plan-features {
  list-style: none;
  margin: 22px 0 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.plan-features li {
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.compare-table-wrap {
  overflow-x: auto;
  background: var(--bg-card);
  border: 1px solid var(--divider);
  border-radius: 16px;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.compare-table th,
.compare-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--divider);
}

.compare-table th {
  color: var(--text-main);
  font-weight: 700;
  background: rgba(255, 255, 255, 0.02);
}

.compare-table td {
  color: var(--text-muted);
}

/* 10. 常见问题 FAQ */
.faq-container {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--divider);
  border-radius: 16px;
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-q-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.faq-q-title {
  font-size: 16px;
  font-weight: 600;
}

.faq-symbol {
  font-size: 20px;
  font-weight: 700;
  color: var(--brand-cyan);
  line-height: 1;
}

.faq-item[open] .faq-symbol::before {
  content: "–";
}

.faq-item:not([open]) .faq-symbol::before {
  content: "+";
}

.faq-content {
  padding: 18px 26px 24px;
  border-top: 1px solid var(--divider);
  color: var(--text-muted);
  font-size: 14px;
}

.faq-lead {
  margin-bottom: 12px;
  color: var(--text-main);
}

.faq-steps {
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* 11. 底部再转化 Bottom CTA */
.bottom-cta-box {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--divider);
  border-radius: 20px;
  padding: 56px 32px;
}

.bottom-cta-box h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 14px;
}

.bottom-cta-box p {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.bottom-cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
}

/* 12. 页脚 Footer */
.site-footer {
  background-color: var(--bg-footer);
  padding: 72px 0 36px;
  border-top: 1px solid var(--divider);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 14px;
  max-width: 340px;
}

.footer-col h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--text-main);
}

.footer-bottom {
  border-top: 1px solid var(--divider);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
}

.social-icons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.social-badge {
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--divider);
  font-size: 12px;
}

@media (max-width: 1199px) {
  .hero-title {
    font-size: 46px;
  }
  .features-grid,
  .download-grid,
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
  }
  .showcase-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .site-header {
    height: 56px;
  }
  .nav-toggle-label {
    display: block;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    flex-direction: column;
    padding: 20px;
    gap: 16px;
    border-bottom: 1px solid var(--divider);
  }
  .nav-toggle:checked ~ .main-nav {
    display: flex;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-cta-group .btn-primary,
  .hero-cta-group .btn-outline {
    width: 100%;
  }
  .trust-grid,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .section-title,
  .bottom-cta-box h2 {
    font-size: 30px;
  }
}

@media (max-width: 767px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }
  .hero-title {
    font-size: 34px;
  }
  .lang-switch {
    display: none;
  }
  .trust-grid,
  .features-grid,
  .scenarios-grid,
  .reviews-grid,
  .download-grid,
  .footer-grid,
  .dried-flowers-stage,
  .showcase-plaque-row,
  .showcase-media-pair {
    grid-template-columns: 1fr;
  }
  .scenario-card {
    flex-direction: column;
    gap: 12px;
  }
  .bottom-cta-actions {
    flex-direction: column;
  }
  .bottom-cta-actions .btn-primary,
  .bottom-cta-actions .btn-outline {
    width: 100%;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}

/* 上线性能：手机滚动时关闭顶栏实时毛玻璃，避免整页重绘 */
@media (max-width: 900px) {
  .site-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(13, 17, 23, 0.97);
  }
}