/**
 * 工作日志 (worklogs.cn) - 现代轻量级静态网站样式表
 * 纯原生 CSS，高性能，零外部依赖，多端自适应
 */

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-glow: rgba(37, 99, 235, 0.18);
  
  --accent: #10b981;
  --accent-hover: #059669;
  --accent-light: #ecfdf5;
  
  --dark: #0f172a;
  --dark-soft: #1e293b;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  
  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --bg-subtle: #f1f5f9;
  
  --border-subtle: #e2e8f0;
  --border-focus: #93c5fd;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 25px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
  --shadow-xl: 0 20px 35px -5px rgba(15, 23, 42, 0.12), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --container-max: 1200px;
  --header-height: 72px;
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-page);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  max-width: 100%;
  width: 100%;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  background: none;
}

/* 容器 */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

@media (max-width: 768px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* 导航栏 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  display: flex;
  align-items: center;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* 按钮规范 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #ffffff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.28);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--bg-subtle);
  border-color: #cbd5e1;
  color: var(--primary);
}

.btn-success {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  color: var(--text-main);
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 60px 0 80px;
  background: radial-gradient(circle at 10% 10%, rgba(37, 99, 235, 0.04) 0%, transparent 40%),
              radial-gradient(circle at 90% 80%, rgba(16, 185, 129, 0.04) 0%, transparent 40%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  max-width: 100%;
  padding: 6px 14px;
  background-color: var(--accent-light);
  border: 1px solid #a7f3d0;
  border-radius: var(--radius-full);
  color: var(--accent-hover);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: normal;
}

.hero-pill-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.25);
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero-title {
  font-size: 2.85rem;
  line-height: 1.25;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.02em;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, #6366f1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-features-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  padding-top: 12px;
  border-top: 1px dashed var(--border-subtle);
}

.hero-features-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  color: var(--text-muted);
  list-style: none;
}

.hero-features-list svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* 视觉展示区 (手机模拟框架 + 二维码卡片) */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.visual-wrapper {
  position: relative;
  width: 100%;
  max-width: 440px;
}

/* 手机模型 */
.phone-mockup {
  position: relative;
  width: 270px;
  background: #1e293b;
  border-radius: 42px;
  padding: 10px;
  box-shadow: 0 25px 60px -15px rgba(15, 23, 42, 0.25),
              0 0 0 1px rgba(255, 255, 255, 0.1) inset;
  margin: 0 auto;
}

.phone-screen {
  background: #ffffff;
  border-radius: 32px;
  overflow: hidden;
  position: relative;
  aspect-ratio: 1170 / 2532;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.05);
}

.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

/* 手机顶部灵动岛/听筒 */
.phone-mockup::before {
  content: "";
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 76px;
  height: 18px;
  background: #0f172a;
  border-radius: 12px;
  z-index: 20;
}

/* 浮动标签卡片 */
.floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(226, 232, 240, 0.8);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 30;
  animation: float 4s ease-in-out infinite alternate;
}

.floating-card.card-left {
  top: 18%;
  left: -20px;
}

.floating-card.card-right {
  bottom: 22%;
  right: -24px;
  animation-delay: -2s;
}

@keyframes float {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-8px); }
}

.floating-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 1.1rem;
}

.floating-card-text {
  font-size: 0.85rem;
  line-height: 1.3;
}

.floating-card-text strong {
  display: block;
  color: var(--dark);
}

.floating-card-text span {
  color: var(--text-muted);
}

/* 微信扫码快捷卡片 (嵌入在Hero或侧边) */
.hero-qr-box {
  margin-top: 24px;
  padding: 16px;
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 100%;
}

.hero-qr-box .qr-img {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-sm);
  border: 1px solid #f1f5f9;
  flex-shrink: 0;
}

.hero-qr-box .qr-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.hero-qr-box .qr-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.hero-qr-box .qr-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.hero-qr-box .qr-tag {
  display: inline-block;
  font-size: 0.78rem;
  color: #059669;
  background: #ecfdf5;
  padding: 2px 8px;
  border-radius: 4px;
  width: fit-content;
  font-weight: 600;
}

/* 通用Section布局 */
.section-py {
  padding: 80px 0;
}

.section-bg-subtle {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-subtitle {
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 特性网格 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-focus);
  box-shadow: var(--shadow-lg);
}

.feature-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: var(--primary-light);
  color: var(--primary);
  flex-shrink: 0;
}

.feature-icon-wrapper.green {
  background: var(--accent-light);
  color: var(--accent);
}

.feature-icon-wrapper.amber {
  background: #fef3c7;
  color: #d97706;
}

.feature-icon-wrapper.purple {
  background: #f3e8ff;
  color: #9333ea;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* 审阅流程交互对比区 (Workflow) */
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}

.workflow-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.workflow-step {
  font-size: 2.2rem;
  font-weight: 900;
  color: #e2e8f0;
  line-height: 1;
}

.workflow-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--dark);
}

.workflow-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 适用场景展示 */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.audience-card {
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.audience-card:hover {
  background: #ffffff;
  border-color: var(--border-subtle);
  box-shadow: var(--shadow-md);
}

.audience-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark);
}

.audience-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* FAQ 常见问题折叠组件 (符合 modern-web-guidance search-hidden-content 规范) */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item[open] {
  border-color: var(--primary);
  box-shadow: 0 4px 12px var(--primary-glow);
}

.faq-summary {
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  user-select: none;
}

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

.faq-summary::after {
  content: "";
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  transition: transform 0.25s ease;
  margin-left: 16px;
  flex-shrink: 0;
}

.faq-item[open] .faq-summary::after {
  transform: rotate(-135deg);
  border-color: var(--primary);
}

.faq-content {
  padding: 0 24px 22px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.faq-content p + p {
  margin-top: 10px;
}

/* CTA 引导横幅 */
.cta-banner {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  box-shadow: var(--shadow-xl);
}

.cta-text {
  max-width: 580px;
}

.cta-text h2 {
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 12px;
}

.cta-text p {
  font-size: 1.05rem;
  color: #94a3b8;
  line-height: 1.6;
}

.cta-qr-card {
  background: #ffffff;
  padding: 18px;
  border-radius: var(--radius-lg);
  text-align: center;
  flex-shrink: 0;
  color: var(--dark);
}

.cta-qr-card img {
  width: 140px;
  height: 140px;
  margin: 0 auto 10px;
  border-radius: var(--radius-sm);
}

.cta-qr-card span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  display: block;
}

/* 页脚 Footer */
.site-footer {
  margin-top: auto;
  background-color: #0b1120;
  color: #94a3b8;
  padding: 56px 0 32px;
  font-size: 0.92rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-brand .brand-logo-white {
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-brand p {
  line-height: 1.6;
  font-size: 0.9rem;
  color: #64748b;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.footer-links a {
  color: #94a3b8;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: #64748b;
}

.footer-bottom a {
  color: #94a3b8;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-bottom a:hover {
  color: #ffffff;
}

/* 现代 Modal 对话框 (符合 modern-web-guidance light-dismiss-a-dialog 规范) */
dialog.qr-dialog {
  border: none;
  border-radius: var(--radius-xl);
  padding: 0;
  background: var(--bg-surface);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  max-width: 380px;
  width: 90%;
  margin: auto;
}

dialog.qr-dialog::backdrop {
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.qr-modal-body {
  padding: 32px 28px;
  text-align: center;
  position: relative;
}

.qr-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-subtle);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.qr-modal-img {
  width: 200px;
  height: 200px;
  margin: 16px auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.qr-modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.qr-modal-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* 微信端适配专属浮动条 (仅在手机端显示) */
.mobile-wx-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-subtle);
  padding: 10px 16px;
  z-index: 99;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
}

.mobile-wx-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.mobile-wx-bar-text {
  font-size: 0.85rem;
  color: var(--dark);
  font-weight: 600;
  line-height: 1.3;
}

.mobile-wx-bar-text span {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
}

/* 页面内搜索框 (用于FAQ) */
.faq-search-wrapper {
  max-width: 540px;
  margin: 0 auto 36px;
  position: relative;
}

.faq-search-input {
  width: 100%;
  padding: 14px 20px 14px 44px;
  font-size: 1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  box-shadow: var(--shadow-sm);
  outline: none;
  transition: all 0.2s ease;
}

.faq-search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.faq-search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  pointer-events: none;
}

/* 响应式断点适配 */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .hero-pill-badge {
    margin: 0 auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-features-list {
    justify-content: center;
  }
  
  .hero-qr-box {
    max-width: 380px;
    margin: 24px auto 0;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cta-banner {
    flex-direction: column;
    text-align: center;
  }
  
  .cta-text {
    max-width: 100%;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }
  
  .brand-logo {
    flex-shrink: 0;
  }
  
  .brand-logo img {
    height: 32px;
    width: auto;
    max-width: 140px;
  }

  .site-header nav {
    display: contents;
  }
  
  .header-cta-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
  }
  
  .header-cta-group .btn-primary {
    display: none;
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    flex-direction: column;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-lg);
    gap: 16px;
    z-index: 100;
  }
  
  .nav-links.is-open {
    display: flex;
  }
  
  .mobile-menu-toggle {
    display: flex !important;
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    border: 1px solid var(--border-subtle);
  }
  
  .header-cta-group .btn-secondary {
    display: none;
  }
  
  .hero-section {
    padding: 32px 0 50px;
  }
  
  .hero-pill-badge {
    font-size: 0.78rem;
    padding: 5px 12px;
  }

  .hero-title {
    font-size: 1.75rem;
    line-height: 1.3;
    word-break: break-word;
  }
  
  .hero-desc {
    font-size: 0.98rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-features-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  
  .hero-qr-box {
    flex-direction: column;
    text-align: center;
    padding: 20px 16px;
    width: 100%;
    max-width: 320px;
    margin: 20px auto 0;
  }
  
  .hero-qr-box .qr-info {
    align-items: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .workflow-grid {
    grid-template-columns: 1fr;
  }
  
  .audience-grid {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    padding: 36px 20px;
    border-radius: var(--radius-lg);
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .floating-card {
    display: none;
  }
  
  .mobile-wx-bar {
    display: block;
  }
  
  body {
    padding-bottom: 64px;
  }
}