/* ========== 道具供货商官网 - 浅色 SaaS 风（参考鸡蛋铺布局） ========== */
:root {
  --bg-page: #f4faf8;
  --bg-white: #ffffff;
  --bg-soft: #ecf7f3;
  --bg-blue: #e4f6ef;
  --text-primary: #10303a;
  --text-secondary: #57707a;
  --text-muted: #8b9bb5;
  --accent: #0eb08a;
  --accent-dark: #087a5f;
  --accent-light: #46d3ac;
  --border: #dcefe8;
  --shadow-sm: 0 4px 20px rgba(14, 176, 138, 0.08);
  --shadow-md: 0 12px 40px rgba(14, 176, 138, 0.12);
  --radius: 12px;
  --radius-lg: 20px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* 导航 */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(255,255,255,0.8);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-img {
  height: 40px;
  width: auto;
  max-width: 48px;
  display: block;
  object-fit: contain;
  object-position: center top;
  flex-shrink: 0;
}
.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.nav-links { display: flex; gap: 36px; }
.nav-links a {
  color: var(--text-secondary); text-decoration: none; font-size: 15px;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); font-weight: 500; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 28px; border-radius: 50px; font-size: 15px; font-weight: 500;
  text-decoration: none; cursor: pointer; border: none; transition: all 0.25s;
}
.btn-primary {
  background: linear-gradient(135deg, #0eb08a, #46d3ac);
  color: #fff; box-shadow: 0 4px 16px rgba(14, 176, 138, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(14, 176, 138, 0.45);
}
.btn-outline {
  border: 1px solid var(--accent); color: var(--accent); background: #fff;
}
.btn-outline:hover { background: var(--bg-blue); }
.btn-ghost {
  border: 1px solid var(--border); color: var(--text-primary); background: #fff;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.nav-btns { display: flex; align-items: center; gap: 10px; }
.nav-btns .btn { padding: 9px 18px; font-size: 14px; }
.btn-lg { padding: 14px 36px; font-size: 16px; }

/* ========== 首页 Hero（左文右图） ========== */
.hero {
  position: relative;
  background: linear-gradient(180deg, #eef9f4 0%, #f8fdfb 50%, var(--bg-page) 100%);
  overflow: visible; /* 避免裁切下方 highlights 卡片 */
}
.hero::before {
  content: '';
  position: absolute; top: -100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(14,176,138,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  min-height: 520px;
}
.hero-text { position: relative; z-index: 1; }
.hero-title {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.hero-title .highlight { color: var(--accent); }
.hero-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  font-weight: 500;
}
.hero-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 28px;
  max-width: 520px;
}
.hero-desc strong { color: var(--text-secondary); font-weight: 600; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 32px; }
.hero-stats-inline {
  display: flex; flex-wrap: wrap; gap: 24px 40px;
  font-size: 14px; color: var(--text-muted);
}
.hero-stats-inline span { color: var(--accent); font-weight: 700; font-size: 18px; margin-right: 6px; }

/* 右侧插画区（纯 CSS） */
.hero-visual {
  position: relative;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-illustration {
  position: relative;
  width: 100%;
  max-width: 480px;
  height: 360px;
}
.illus-screen {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%) perspective(800px) rotateX(8deg) rotateY(-12deg);
  width: 320px; height: 200px;
  background: linear-gradient(145deg, #fff 0%, #eef9f4 100%);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  padding: 16px;
}
.illus-screen::before {
  content: '';
  display: block;
  height: 8px; width: 40px;
  background: var(--border);
  border-radius: 4px;
  margin-bottom: 12px;
}
.illus-chart {
  display: flex; align-items: flex-end; gap: 8px; height: 100px; padding-top: 8px;
}
.illus-bar {
  flex: 1; background: linear-gradient(180deg, var(--accent-light), var(--accent));
  border-radius: 4px 4px 0 0;
  opacity: 0.85;
}
.illus-bar:nth-child(1) { height: 40%; }
.illus-bar:nth-child(2) { height: 70%; }
.illus-bar:nth-child(3) { height: 55%; }
.illus-bar:nth-child(4) { height: 90%; }
.illus-bar:nth-child(5) { height: 65%; }
.illus-float {
  position: absolute;
  background: #fff;
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  padding: 12px 16px;
  font-size: 12px;
  color: var(--text-secondary);
}
.illus-float-1 { top: 20px; right: 0; animation: float 4s ease-in-out infinite; }
.illus-float-2 { bottom: 40px; left: 0; animation: float 5s ease-in-out infinite 0.5s; }
.illus-float-3 { top: 50%; right: -10px; animation: float 4.5s ease-in-out infinite 1s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* 四宫格卖点（上浮叠在 Hero 下方，需留足上内边距防裁切） */
.highlights {
  position: relative;
  z-index: 5;
  margin-top: -56px;
  padding: 56px 0 80px;
  overflow: visible;
}
.highlights .container {
  overflow: visible;
}
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: stretch;
}
.highlight-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s;
  overflow: visible;
}
.highlight-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}
.highlight-icon {
  width: 56px; height: 56px;
  margin: 0 auto 16px;
  background: var(--bg-blue);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
}
.highlight-card h3 {
  font-size: 17px;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.highlight-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 底部标语 */
.slogan-bar {
  background: linear-gradient(90deg, #0eb08a, #46d3ac);
  padding: 48px 24px;
  text-align: center;
}
.slogan-bar h2 {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
}

/* 通用区块 */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-white); }
.section-soft { background: var(--bg-soft); }
.section-title {
  text-align: center;
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.section-sub {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 48px;
  font-size: 15px;
}
.page-hero { padding-top: 100px; padding-bottom: 40px; background: var(--bg-soft); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s;
  box-shadow: var(--shadow-sm);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(14, 176, 138, 0.3);
}
.feature-card .card-icon { font-size: 32px; margin-bottom: 14px; }
.feature-card h3 { font-size: 17px; margin-bottom: 8px; }
.feature-card p { color: var(--text-muted); font-size: 14px; }

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  text-align: center;
}
.advantage-item {
  background: var(--bg-white);
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.advantage-item h4 { font-size: 17px; margin-bottom: 8px; color: var(--accent); }
.advantage-item p { color: var(--text-muted); font-size: 14px; }

/* 产品介绍 - 模块详解 */
.module-list { display: flex; flex-direction: column; gap: 24px; }
.module-detail {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s;
}
.module-detail:hover { box-shadow: var(--shadow-md); }
.module-detail-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}
.module-badge {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0eb08a, #46d3ac);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.module-detail-head h3 {
  font-size: 20px;
  margin-bottom: 4px;
  color: var(--text-primary);
}
.module-tag {
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
}
.module-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}
.module-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.module-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}
.module-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.case-card { text-align: center; }
.case-logo { font-size: 42px; margin-bottom: 12px; }

/* 产品介绍 - 闭环流程 */
.loop-section { background: linear-gradient(180deg, #f8fdfb 0%, var(--bg-page) 100%); }
.loop-flow-panel {
  max-width: 1040px;
  margin: 48px auto 0;
  padding: 40px 32px 36px;
  background: linear-gradient(135deg, #f0f7ff 0%, #fbfefd 50%, #f5fcf9 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.loop-flow-heading {
  text-align: center;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 36px;
}
.loop-flow-diagram {
  position: relative;
  padding: 0 12px;
}
.loop-flow-svg {
  position: absolute;
  left: 0;
  right: 0;
  top: 72px;
  width: 100%;
  height: 120px;
  pointer-events: none;
  z-index: 0;
}
.loop-steps {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.loop-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.loop-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 14px;
  min-height: 32px;
}
.loop-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}
.loop-tag.primary { background: #0eb08a; color: #fff; }
.loop-tag.light { background: #e4f6ef; color: #0eb08a; }
.loop-tag.purple { background: #6b5ce7; color: #fff; }
.loop-tag.light-purple { background: #ede9ff; color: #6b5ce7; }
.loop-circle {
  width: 168px;
  height: 168px;
  border-radius: 50%;
  background: linear-gradient(145deg, #fff 0%, #f5fcf9 100%);
  border: 3px solid #d6e8ff;
  box-shadow: 0 8px 32px rgba(14, 176, 138, 0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 16px;
}
.loop-circle strong {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.loop-circle span {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}
.loop-arrow-label {
  margin-top: 16px;
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
}
.loop-step-details {
  width: 100%;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px dashed rgba(14, 176, 138, 0.22);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.loop-detail-item {
  text-align: center;
  max-width: 260px;
}
.loop-detail-item h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.loop-detail-item p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 系统功能 - 图文左右交替 */
.sys-showcase {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.sys-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 72px 0;
}
.sys-block + .sys-block {
  border-top: 1px solid var(--border);
}
.sys-block:nth-child(even) {
  background: var(--bg-soft);
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  padding-left: calc(50vw - 50%);
  padding-right: calc(50vw - 50%);
}
.sys-block.reverse .sys-block-img { order: -1; }
.sys-block-text h3 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: 20px;
}
.sys-block-text > p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 28px;
}
.sys-block-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.sys-block-points li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
}
.sys-block-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.sys-block-img {
  position: relative;
}
.sys-block-img img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 14px;
  box-shadow: 0 16px 48px rgba(26, 43, 74, 0.14);
  border: 1px solid rgba(227, 235, 245, 0.9);
  background: #fff;
}

.cta-section { padding: 60px 0; }
.cta-box {
  text-align: center;
  padding: 56px 40px;
  border-radius: var(--radius-lg);
  background: var(--bg-white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.cta-box h2 { font-size: 26px; margin-bottom: 12px; }
.cta-box p { color: var(--text-muted); margin-bottom: 28px; }
.hero-actions.center { justify-content: center; }

.footer {
  background: #1a2b4a;
  color: rgba(255,255,255,0.75);
  padding: 48px 0 0;
}
.footer h4 { color: #fff; margin-bottom: 14px; font-size: 16px; }
.footer p { font-size: 14px; margin-bottom: 6px; }
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 32px;
}
.qrcode-img {
  width: 100px;
  height: 100px;
  border-radius: 8px;
  display: block;
  object-fit: cover;
}
.qrcode-img.lg {
  width: 180px;
  height: 180px;
  margin: 20px auto;
}
.qrcode-placeholder {
  width: 100px; height: 100px;
  background: rgba(255,255,255,0.08);
  border: 1px dashed rgba(255,255,255,0.25);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
}
.qrcode-placeholder.lg { width: 180px; height: 180px; margin: 20px auto; }
.footer-bottom {
  text-align: center;
  padding: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
}

.modal {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(26, 43, 74, 0.5);
  display: flex; align-items: center; justify-content: center;
}
.modal.hidden { display: none; }
.modal-content {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  position: relative;
  min-width: 320px;
  box-shadow: var(--shadow-md);
}
.modal-close {
  position: absolute; top: 12px; right: 16px;
  font-size: 24px; cursor: pointer; color: var(--text-muted);
}

/* ========== 代练 APK 下载页 ========== */
.dl-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #f7f9fc 0%, var(--bg-page) 100%);
  color: var(--text-primary);
}
.dl-wave { display: none; }
.dl-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 32px;
  align-items: center;
  padding: 36px 24px 28px;
}
.dl-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--bg-blue);
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 18px;
}
.dl-slogan {
  font-size: clamp(32px, 4.4vw, 48px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.dl-slogan span { color: var(--accent); }
.dl-lead {
  max-width: 520px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.dl-install {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 24px;
}
.dl-qr-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}
.dl-qr-box {
  width: 148px;
  height: 148px;
  background: #fff;
  border-radius: 16px;
  padding: 10px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.dl-qr-box canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.dl-qr-label {
  writing-mode: vertical-rl;
  letter-spacing: 0.28em;
  font-size: 14px;
  color: var(--text-muted);
}
.dl-btns {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 220px;
}
.dl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.dl-btn-android {
  background: linear-gradient(135deg, #0eb08a, #46d3ac);
  color: #fff;
  box-shadow: 0 4px 16px rgba(14, 176, 138, 0.28);
}
.dl-btn-android:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(14, 176, 138, 0.36);
}
.dl-btn-disabled {
  color: var(--text-muted);
  border: 1px solid var(--border);
  background: #fff;
  cursor: not-allowed;
}
.dl-help-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 28px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  color: var(--accent);
  background: #fff;
  border: 1px solid var(--accent);
  transition: background 0.2s, transform 0.2s;
}
.dl-help-link:hover {
  background: var(--bg-blue);
  transform: translateY(-1px);
}
.dl-meta {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.7;
}
.dl-meta a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.dl-phones {
  position: relative;
  height: 300px;
}
.dl-phone {
  position: absolute;
  width: 148px;
  height: 292px;
  border-radius: 32px;
  background: linear-gradient(180deg, #1b2433, #111827);
  border: 6px solid #0f172a;
  box-shadow: 0 24px 48px rgba(8, 28, 68, 0.35);
  overflow: hidden;
}
.dl-phone-notch {
  width: 72px;
  height: 8px;
  margin: 10px auto 8px;
  background: #0b1220;
  border-radius: 8px;
}
.dl-phone-screen {
  margin: 0 8px 10px;
  height: calc(100% - 28px);
  background: #f4faf8;
  border-radius: 18px;
  padding: 12px 10px;
  color: #1a2b4a;
}
.dl-app-bar {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #087a5f;
}
.dl-app-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #fff;
  border-radius: 10px;
  padding: 10px 10px;
  margin-bottom: 8px;
  font-size: 11px;
  box-shadow: 0 4px 10px rgba(14, 176, 138, 0.08);
}
.dl-app-item b { font-weight: 600; }
.dl-app-item span { color: #0eb08a; }
.dl-app-item.highlight {
  background: linear-gradient(135deg, #0eb08a, #46d3ac);
  color: #fff;
}
.dl-app-item.highlight span { color: #fff; }
.dl-phone-back {
  left: 12px;
  top: 8px;
  transform: rotate(-11deg);
}
.dl-phone-front {
  right: 16px;
  top: 0;
  transform: rotate(8deg);
}
.dl-wx-mask {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(8, 20, 46, 0.62);
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 24px;
}
.dl-wx-mask.hidden { display: none; }
.dl-wx-box {
  margin-top: 48px;
  background: #fff;
  color: var(--text-primary);
  border-radius: 16px;
  padding: 28px 24px;
  max-width: 320px;
  text-align: center;
  box-shadow: var(--shadow-md);
}
.dl-wx-box p { margin-bottom: 8px; }
.dl-wx-box .btn { margin-top: 16px; width: 100%; }
.download-page .dl-benefits {
  padding: 40px 0 56px;
}
.download-page .dl-benefits .section-sub {
  margin-bottom: 28px;
}

@media (max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions, .hero-stats-inline { justify-content: center; }
  .hero-visual { height: 300px; }
  .highlights-grid { grid-template-columns: repeat(2, 1fr); }
  .dl-hero-grid { grid-template-columns: 1fr; text-align: center; padding: 28px 24px 16px; }
  .dl-lead { margin-left: auto; margin-right: auto; }
  .dl-install { justify-content: center; flex-wrap: wrap; }
  .dl-phones { height: 260px; margin: 8px auto 0; max-width: 360px; }
  .sys-block {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 0;
  }
  .sys-block.reverse .sys-block-img { order: 0; }
  .sys-block-text { text-align: center; }
  .sys-block-points { text-align: left; max-width: 520px; margin: 0 auto; }
  .loop-steps { grid-template-columns: 1fr; gap: 40px; }
  .loop-flow-svg { display: none; }
  .loop-arrow-label { display: none; }
  .loop-flow-panel { padding: 28px 20px; }
  .loop-step-details { margin-top: 20px; padding-top: 20px; }
}

@media (max-width: 768px) {
  /* 移动端：导航改为顶部横向滚动条，不再隐藏，保证每页可达 */
  .nav-inner { height: auto; flex-wrap: wrap; padding-top: 10px; }
  .nav-links {
    display: flex;
    order: 3;
    width: 100%;
    gap: 18px;
    overflow-x: auto;
    padding: 4px 0 10px;
    scrollbar-width: none;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a { font-size: 13.5px; white-space: nowrap; }
  .highlights-grid { grid-template-columns: 1fr; }
  .sys-block { padding: 36px 0; }
  .loop-circle { width: 150px; height: 150px; }
  .dl-phone { width: 128px; height: 252px; }
  .dl-phones { height: 230px; }
  .dl-btn { min-width: 200px; }
  .dl-qr-box { width: 128px; height: 128px; }
}


/* ================= 轻松游 品牌定制 ================= */
.logo-mark {
  height: 38px;
  width: 38px;
  border-radius: 11px;
  display: block;
  flex-shrink: 0;
  box-shadow: 0 6px 16px rgba(14, 176, 138, 0.22);
}
.logo-text {
  letter-spacing: 0.04em;
  color: var(--text-primary);
}
.logo-text .dot { color: var(--accent); }
.logo-sub {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  line-height: 1.1;
  margin-top: 2px;
}

/* 四步流程 */
.flow4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.flow4-step {
  position: relative;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 26px 22px 22px;
  box-shadow: var(--shadow-sm);
}
.flow4-step .flow-no {
  font-size: 26px;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.35;
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.flow4-step h4 {
  font-size: 17px;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.flow4-step p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.flow4-step::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -16px;
  width: 16px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-light), transparent);
}
.flow4-step:last-child::after { display: none; }

/* 底部标语带：加深色调 */
.slogan-bar {
  background: linear-gradient(120deg, #0b8f74, #10b79a 55%, #12a0b4);
}

/* 页脚 logo 行 */
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.footer-brand .logo-mark { height: 34px; width: 34px; border-radius: 8px; }
.footer-brand h4 { margin: 0; }

@media (max-width: 992px) {
  .flow4 { grid-template-columns: repeat(2, 1fr); }
  .flow4-step::after { display: none; }
}
@media (max-width: 560px) {
  .flow4 { grid-template-columns: 1fr; }
}

/* 下载页手机模拟：长标题不竖排堆字 */
.dl-app-item { gap: 6px; }
.dl-app-item b {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 70%;
}
.dl-app-item span { white-space: nowrap; flex-shrink: 0; }
.dl-qr-wrap { align-items: center; }
.dl-qr-label { margin-left: 4px; }

/* 首屏插画：补两条占位数据线，避免下半部分留白 */
.illus-screen::after {
  content: '';
  position: absolute;
  left: 16px; right: 16px; bottom: 30px;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--border) 0 46%, transparent 46% 52%, var(--border) 52% 78%, transparent 78%);
}
.illus-screen { overflow: hidden; }

.dl-qr-label { height: 148px; display: flex; align-items: center; letter-spacing: 0.2em; }

/* 联系方式留空占位（待填自己的二维码） */
.qr-empty {
  width: 120px;
  height: 120px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  background: transparent;
}
.footer .qr-empty { border-color: rgba(255, 255, 255, 0.22); }