/* ============================================
   一零二四兆(海南)信息科技有限公司 - 企业官网
   设计风格：简约大气
   ============================================ */

/* ===== CSS Reset & Variables ===== */
:root {
  --color-primary: #0E4D8C;
  --color-primary-dark: #0A3A6E;
  --color-primary-light: #2E7BC8;
  --color-accent: #00A6D6;
  --color-accent-warm: #F5A623;
  --color-bg: #FFFFFF;
  --color-bg-soft: #F5F8FC;
  --color-bg-card: #FFFFFF;
  --color-text: #1A2B3D;
  --color-text-medium: #5A6B7D;
  --color-text-light: #8B9BB0;
  --color-border: #E2E8F0;
  --color-border-light: #EEF2F7;
  --shadow-sm: 0 2px 8px rgba(14, 77, 140, 0.06);
  --shadow-md: 0 4px 20px rgba(14, 77, 140, 0.08);
  --shadow-lg: 0 12px 40px rgba(14, 77, 140, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --max-width: 1200px;
  --header-height: 72px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

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

ul, ol {
  list-style: none;
}

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

/* ===== Layout ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-sm {
  padding: 64px 0;
}

.bg-soft {
  background: var(--color-bg-soft);
}

.text-center {
  text-align: center;
}

/* ===== Typography ===== */
.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-medium);
  max-width: 640px;
  margin: 0 auto 56px;
  line-height: 1.8;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header .section-subtitle {
  margin-bottom: 0;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

/* ===== Header / Navigation ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  z-index: 1000;
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

/* 品牌 Logo 已按需求移除：导航整体右对齐，手机端汉堡按钮同样靠右 */

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-menu a {
  position: relative;
  padding: 8px 18px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-medium);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-menu a:hover {
  color: var(--color-primary);
  background: var(--color-bg-soft);
}

.nav-menu a.active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
}

.nav-cta {
  margin-left: 12px;
  padding: 10px 24px !important;
  background: var(--color-primary);
  color: white !important;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
  font-size: 0.875rem !important;
  transition: var(--transition);
}

.nav-cta:hover {
  background: var(--color-primary-dark) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* ===== 淘宝醒目标签（导航栏） ===== */
.nav-taobao {
  margin-left: 4px;
  padding: 9px 20px !important;
  background: linear-gradient(135deg, #ff7a00, #ff5000) !important;
  color: #fff !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
  font-size: 0.875rem !important;
  box-shadow: 0 2px 8px rgba(255, 80, 0, 0.35);
  transition: var(--transition);
}

.nav-taobao:hover {
  background: linear-gradient(135deg, #ff8c1a, #ff6a00) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(255, 80, 0, 0.45);
  color: #fff !important;
}

/* ===== B站视频教程按钮（导航栏） ===== */
.nav-video {
  margin-left: 4px;
  padding: 8px 18px !important;
  border: 1.5px solid #fb7299 !important;
  color: #fb7299 !important;
  background: transparent !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
  font-size: 0.875rem !important;
  transition: var(--transition);
}

.nav-video:hover {
  background: #fb7299 !important;
  color: #fff !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(251, 114, 153, 0.35);
}

/* ===== 操作手册按钮（导航栏，含智写/标匠两本手册的下拉） ===== */
.nav-doc {
  margin-left: 4px;
  padding: 8px 18px !important;
  border: 1.5px solid var(--color-primary) !important;
  color: var(--color-primary) !important;
  background: transparent !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
  font-size: 0.875rem !important;
  transition: var(--transition);
}

.nav-doc:hover {
  background: var(--color-primary) !important;
  color: #fff !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(14, 77, 140, 0.3);
}

.nav-doc-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.nav-caret {
  font-size: 0.7em;
  margin-left: 2px;
}

.nav-doc-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 200px;
  padding: 6px;
  display: none;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 1001;
}

/* 鼠标悬停或键盘聚焦时展开（触屏点按会触发 focus-within） */
.nav-doc-wrap:hover .nav-doc-menu,
.nav-doc-wrap:focus-within .nav-doc-menu {
  display: flex;
}

.nav-doc-menu a {
  padding: 10px 14px !important;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  color: var(--color-text) !important;
  background: transparent !important;
  border-radius: 6px;
  white-space: nowrap;
  text-align: left;
}

.nav-doc-menu a:hover {
  background: rgba(14, 77, 140, 0.08) !important;
  color: var(--color-primary) !important;
  transform: none;
}

/* ===== 淘宝主按钮（CTA） ===== */
.btn-taobao {
  background: linear-gradient(135deg, #ff7a00, #ff5000);
  color: #fff;
  border: none;
  box-shadow: 0 4px 14px rgba(255, 80, 0, 0.3);
}

.btn-taobao:hover {
  background: linear-gradient(135deg, #ff8c1a, #ff6a00);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 80, 0, 0.4);
  color: #fff;
}

/* 价格表内购买引导 */
.pricing-cta {
  text-align: center;
  margin: 8px 0 28px;
}

.pricing-cta .pricing-cta-hint {
  margin-top: 12px;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 36px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background: var(--color-accent);
  color: white;
}

.btn-accent:hover {
  background: #0090BD;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-soft);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1rem;
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background: linear-gradient(160deg, #F5F8FC 0%, #E8F1FA 50%, #DCEBF7 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 166, 214, 0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(14, 77, 140, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(14, 77, 140, 0.08);
  color: var(--color-primary);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-text);
  margin-bottom: 24px;
  letter-spacing: -1px;
}

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

.hero-desc {
  font-size: 1.125rem;
  color: var(--color-text-medium);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 520px;
}

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

/* ===== Hero 企业微信二维码条 ===== */
.hero-qr {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
  padding: 12px 20px 12px 12px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.hero-qr-img {
  width: 88px;
  height: 88px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  cursor: zoom-in;
}

.hero-qr-img:hover {
  transform: scale(2.6);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.22);
  position: relative;
  z-index: 20;
  background: #fff;
}

.hero-qr-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: left;
}

.hero-qr-text strong {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-dark);
}

.hero-qr-text span {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card {
  width: 100%;
  max-width: 440px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 32px;
  position: relative;
}

.hero-card .card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border-light);
}

.hero-card .card-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: white;
}

.hero-card .card-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
}

.hero-card .card-sub {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.hero-card .feature-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
}

.hero-card .feature-row .check {
  width: 24px;
  height: 24px;
  background: rgba(0, 166, 214, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 0.75rem;
  flex-shrink: 0;
}

.hero-card .feature-row span {
  font-size: 0.9375rem;
  color: var(--color-text-medium);
}

/* ===== Features Grid ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: var(--transition);
}

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

.feature-card .icon-box {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.icon-bg-blue { background: rgba(14, 77, 140, 0.1); }
.icon-bg-cyan { background: rgba(0, 166, 214, 0.1); }
.icon-bg-amber { background: rgba(245, 166, 35, 0.1); }
.icon-bg-green { background: rgba(34, 197, 94, 0.1); }
.icon-bg-purple { background: rgba(139, 92, 246, 0.1); }
.icon-bg-rose { background: rgba(244, 63, 94, 0.1); }

.feature-card h3 {
  font-size: 1.1875rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text);
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--color-text-medium);
  line-height: 1.7;
}

/* ===== Stats Section ===== */
.stats-section {
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.stats-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item .stat-number {
  font-size: 2.75rem;
  font-weight: 800;
  color: white;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-item .stat-number .unit {
  font-size: 1.25rem;
  font-weight: 600;
  margin-left: 4px;
  opacity: 0.8;
}

.stat-item .stat-label {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ===== CTA Section ===== */
.cta-section {
  position: relative;
  text-align: center;
  padding: 96px 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(0, 166, 214, 0.2) 0%, transparent 70%);
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: white;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 36px;
}

.cta-section .btn {
  background: white;
  color: var(--color-primary);
}

.cta-section .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* ===== Page Banner ===== */
.page-banner {
  position: relative;
  padding: 140px 0 64px;
  background: linear-gradient(160deg, #F5F8FC 0%, #E8F1FA 100%);
  text-align: center;
}

.page-banner h1 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.page-banner .breadcrumb {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.page-banner .breadcrumb a:hover {
  color: var(--color-primary);
}

/* ===== About Page ===== */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-intro .text-content h2 {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-text);
}

.about-intro .text-content p {
  font-size: 1rem;
  color: var(--color-text-medium);
  line-height: 1.9;
  margin-bottom: 16px;
}

.about-intro .visual-content {
  position: relative;
}

.about-intro .visual-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border-light);
}

.about-intro .visual-card .stat-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.about-intro .visual-card .stat-row:last-child {
  border-bottom: none;
}

.about-intro .visual-card .stat-row .num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  min-width: 80px;
}

.about-intro .visual-card .stat-row .info {
  flex: 1;
}

.about-intro .visual-card .stat-row .info .label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
}

.about-intro .visual-card .stat-row .info .desc {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

/* Mission/Vision Cards */
.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.mv-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 40px;
  border: 1px solid var(--color-border-light);
  transition: var(--transition);
}

.mv-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.mv-card .mv-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  margin-bottom: 20px;
}

.mv-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.mv-card p {
  font-size: 0.9375rem;
  color: var(--color-text-medium);
  line-height: 1.8;
}

/* Values */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.value-item {
  text-align: center;
  padding: 32px 20px;
  background: white;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  transition: var(--transition);
}

.value-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.value-item .v-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto 16px;
}

.value-item h4 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.value-item p {
  font-size: 0.875rem;
  color: var(--color-text-medium);
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
}

.timeline-item {
  position: relative;
  padding-bottom: 40px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -34px;
  top: 4px;
  width: 16px;
  height: 16px;
  background: white;
  border: 3px solid var(--color-primary);
  border-radius: 50%;
}

.timeline-item .year {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.timeline-item h4 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.timeline-item p {
  font-size: 0.9375rem;
  color: var(--color-text-medium);
}

/* ===== Products Page ===== */
.product-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.product-hero .product-info h2 {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.product-hero .product-info p {
  font-size: 1rem;
  color: var(--color-text-medium);
  line-height: 1.9;
  margin-bottom: 24px;
}

.product-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.product-tag {
  padding: 6px 16px;
  background: rgba(14, 77, 140, 0.08);
  color: var(--color-primary);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 600;
}

.product-mockup {
  background: linear-gradient(160deg, #F0F5FB 0%, #DCE8F5 100%);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mockup-window {
  width: 100%;
  max-width: 380px;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.mockup-window .window-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border-light);
  background: var(--color-bg-soft);
}

.mockup-window .window-bar .dot-r {
  width: 10px; height: 10px; border-radius: 50%; background: #FF5F57;
}
.mockup-window .window-bar .dot-y {
  width: 10px; height: 10px; border-radius: 50%; background: #FFBD2E;
}
.mockup-window .window-bar .dot-g {
  width: 10px; height: 10px; border-radius: 50%; background: #28C840;
}

.mockup-window .window-body {
  padding: 24px;
}

.mockup-window .window-body .typing-line {
  height: 10px;
  background: var(--color-border);
  border-radius: 4px;
  margin-bottom: 10px;
}

.mockup-window .window-body .typing-line.short { width: 60%; }
.mockup-window .window-body .typing-line.medium { width: 80%; }
.mockup-window .window-body .typing-line.long { width: 100%; }

.mockup-window .window-body .typing-line.accent {
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  animation: typing 2s ease-in-out infinite;
}

@keyframes typing {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* Detailed Features */
.detail-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.detail-feature-card {
  display: flex;
  gap: 20px;
  background: white;
  border-radius: var(--radius-md);
  padding: 32px;
  border: 1px solid var(--color-border-light);
  transition: var(--transition);
}

.detail-feature-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.detail-feature-card .df-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.detail-feature-card h4 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.detail-feature-card p {
  font-size: 0.9375rem;
  color: var(--color-text-medium);
  line-height: 1.7;
}

/* Scenarios */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.scenario-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 32px 24px;
  border: 1px solid var(--color-border-light);
  text-align: center;
  transition: var(--transition);
}

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

.scenario-card .sc-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto 20px;
}

.scenario-card h4 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.scenario-card p {
  font-size: 0.875rem;
  color: var(--color-text-medium);
}

/* Pricing / Plans */
.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.plan-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid var(--color-border-light);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.plan-card.featured {
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.plan-card.featured::before {
  content: '推荐';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: white;
  padding: 4px 20px;
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 700;
}

.plan-card .plan-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.plan-card .plan-desc {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.plan-card .plan-price {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border-light);
}

.plan-card .plan-price .amount {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-text);
}

.plan-card .plan-price .period {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.plan-card .plan-features {
  flex: 1;
  margin-bottom: 28px;
}

.plan-card .plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--color-text-medium);
  padding: 8px 0;
}

.plan-card .plan-features li .check-icon {
  width: 20px;
  height: 20px;
  background: rgba(0, 166, 214, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 0.625rem;
  flex-shrink: 0;
}

.plan-card .btn {
  width: 100%;
}

/* ===== Contact Page ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact-info-card {
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  color: white;
  position: relative;
  overflow: hidden;
}

.contact-info-card::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 166, 214, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.contact-info-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
}

.contact-info-card .ci-subtitle {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
  position: relative;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
  position: relative;
}

.contact-info-item .ci-icon {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-info-item .ci-text .label {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 4px;
}

.contact-info-item .ci-text .value {
  font-size: 0.9375rem;
  font-weight: 600;
}

.contact-form-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
}

.contact-form-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.contact-form-card .form-subtitle {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: 32px;
}

.contact-alt-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-alt-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.5;
}

.contact-alt-list li > span {
  font-size: 1.4rem;
  line-height: 1.2;
}

.contact-alt-list strong {
  display: block;
  margin-bottom: 2px;
  color: var(--color-primary-dark);
}

/* ===== Trial Banner（免费试用横幅） ===== */
.trial-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 28px 0 8px;
  padding: 16px 24px;
  background: linear-gradient(135deg, #FF8A00 0%, #FF4D4F 100%);
  border-radius: var(--radius-lg);
  color: #fff;
  box-shadow: 0 12px 30px rgba(255, 77, 79, 0.22);
}

.trial-banner .tb-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.trial-banner .tb-icon {
  font-size: 2rem;
  line-height: 1;
}

.trial-banner .tb-text strong {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
}

.trial-banner .tb-text span {
  display: block;
  font-size: 0.85rem;
  opacity: 0.92;
  margin-top: 2px;
}

.trial-banner .btn-trial {
  flex-shrink: 0;
  background: #fff;
  color: #FF4D4F;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 11px 22px;
  border-radius: 999px;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.trial-banner .btn-trial:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

@media (max-width: 640px) {
  .trial-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .trial-banner .btn-trial {
    width: 100%;
    text-align: center;
  }
}

/* ===== 加企业微信加赠 5 万字（紧接试用横幅下方，与横幅成套） ===== */
.trial-bonus {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 0 0 8px;
  padding: 12px 18px;
  background: #FFF8EC;
  border: 1px dashed #FF8A00;
  border-radius: var(--radius-lg);
}

.trial-bonus .tbb-icon {
  flex-shrink: 0;
  font-size: 1.35rem;
  line-height: 1;
}

.trial-bonus .tbb-text {
  flex: 1 1 240px;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-medium);
}

.trial-bonus .tbb-text b {
  color: #E03131;
  font-size: 1.05rem;
  font-weight: 800;
}

.trial-bonus .tbb-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 18px;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, #FF8A00 0%, #FF4D4F 100%);
  color: #fff;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  /* 移动端：消除 300ms 双击缩放判定导致的「点了没反应」，并去掉点击高亮 */
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  user-select: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.trial-bonus .tbb-btn:hover,
.trial-bonus .tbb-btn:focus {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(255, 77, 79, 0.28);
}

/* 按下即时反馈：让用户明确知道「点到了」 */
.trial-bonus .tbb-btn:active {
  transform: translateY(0) scale(0.97);
  box-shadow: 0 2px 8px rgba(255, 77, 79, 0.32);
}

@media (max-width: 640px) {
  .trial-bonus {
    align-items: flex-start;
  }
  .trial-bonus .tbb-btn {
    width: 100%;
  }
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.form-group label .required {
  color: #E53E3E;
  margin-left: 2px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  background: white;
  box-shadow: 0 0 0 3px rgba(14, 77, 140, 0.08);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 48px 24px;
}

.form-success.show {
  display: block;
}

.form-success .success-icon {
  width: 64px;
  height: 64px;
  background: rgba(34, 197, 94, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 20px;
  color: #22C55E;
}

.form-success h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-success p {
  font-size: 0.9375rem;
  color: var(--color-text-medium);
}

/* Map Section */
.map-section {
  background: var(--color-bg-soft);
}

.map-container {
  background: white;
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}

.map-placeholder {
  width: 100%;
  height: 360px;
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, #E8F1FA 0%, #D5E5F3 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.map-placeholder .map-pin {
  width: 56px;
  height: 56px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-md);
}

.map-placeholder p {
  font-size: 0.9375rem;
  color: var(--color-text-medium);
  font-weight: 500;
}

/* ===== Footer ===== */
.site-footer {
  background: #0F1B2D;
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .footer-desc {
  font-size: 0.875rem;
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 320px;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: white;
  margin-bottom: 20px;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
  color: var(--color-accent);
}

/* ===== Pricing Table ===== */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  background: white;
}

.pricing-table {
  width: 100%;
  min-width: 880px;
  border-collapse: collapse;
  background: white;
  font-size: 0.9375rem;
}

.pricing-table thead th {
  background: var(--color-primary);
  color: white;
  padding: 18px 20px;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
}

.pricing-table tbody td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-medium);
  line-height: 1.6;
  vertical-align: top;
}

.pricing-table tbody tr:last-child td {
  border-bottom: none;
}

.pricing-table tbody tr:nth-child(even) {
  background: var(--color-bg-soft);
}

.pricing-table td[rowspan] {
  background: rgba(14, 77, 140, 0.04);
  color: var(--color-text);
  font-weight: 600;
  vertical-align: middle;
  border-right: 1px solid var(--color-border-light);
}

.pricing-table .price {
  color: #E85D4E;
  font-weight: 700;
  font-size: 1.0625rem;
}

.pricing-table .shop-price {
  color: var(--color-text-light);
  font-size: 0.8125rem;
  font-weight: 400;
}

.pricing-note {
  text-align: center;
  margin-top: 24px;
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

/* ===== FAQ (SEO long-tail) ===== */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.faq-item:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}
.faq-item h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 10px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.faq-item h3 .faq-q {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 700;
}
.faq-item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-text-medium);
}
.faq-item p a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}
.faq-item p a:hover {
  text-decoration: underline;
}

/* ===== Price Advantage (vs official site) ===== */
.price-advantage-banner {
  display: flex;
  align-items: center;
  gap: 22px;
  background: linear-gradient(120deg, #E04636 0%, #F5852E 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 26px 30px;
  margin-bottom: 26px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.price-advantage-banner::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 180px;
  height: 180px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}
.price-advantage-banner .pa-icon {
  font-size: 2.6rem;
  line-height: 1;
  flex-shrink: 0;
}
.price-advantage-banner .pa-text { flex: 1; }
.price-advantage-banner .pa-text h3 {
  margin: 0 0 6px;
  font-size: 1.3rem;
  font-weight: 800;
}
.price-advantage-banner .pa-text p {
  margin: 0;
  font-size: 0.95rem;
  opacity: 0.96;
}
.price-advantage-banner .pa-btn {
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.price-advantage-banner .pa-btn .btn-taobao {
  background: #fff;
  color: #E04636;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}
.price-advantage-banner .pa-btn .btn-taobao:hover {
  background: #FFF3E9;
  color: #C9351F;
}

.saving-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.saving-card {
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.saving-card::before {
  content: "省";
  position: absolute;
  top: 10px;
  right: -22px;
  transform: rotate(45deg);
  background: #E85D4E;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 26px;
  letter-spacing: 1px;
}
.saving-card .sc-name {
  font-size: 0.95rem;
  color: var(--color-text);
  font-weight: 600;
}
.saving-card .sc-amount {
  font-size: 2rem;
  font-weight: 800;
  color: #E85D4E;
  margin: 6px 0 2px;
  line-height: 1.1;
}
.saving-card .sc-amount small {
  font-size: 0.95rem;
  font-weight: 700;
}
.saving-card .sc-desc {
  font-size: 0.78rem;
  color: var(--color-text-light);
}

/* pricing table price comparison */
.pricing-table .official-price {
  color: var(--color-text-light);
  text-decoration: line-through;
  text-decoration-color: #c2ccd8;
  font-size: 0.9rem;
  white-space: nowrap;
}
.pricing-table .store-price {
  color: #E85D4E;
  font-weight: 800;
  font-size: 1.2rem;
  display: block;
  white-space: nowrap;
}
.pricing-table .store-price small {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-light);
}
.pricing-table .save-badge {
  display: inline-block;
  background: #FFF0EC;
  color: #E04636;
  border: 1px solid #F6C4BA;
  border-radius: 999px;
  padding: 5px 13px;
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
}
.pricing-table .store-tag {
  display: inline-block;
  background: #EAF3FB;
  color: var(--color-primary);
  border: 1px solid #BCD9F0;
  border-radius: 999px;
  padding: 5px 13px;
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
}
.pricing-table .store-tag:hover {
  background: #DCEBFA;
}

@media (max-width: 900px) {
  .saving-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .saving-cards { grid-template-columns: 1fr; }
  .price-advantage-banner {
    flex-direction: column;
    text-align: center;
    gap: 14px;
  }
}

/* ===== QR Code Section ===== */
.qr-section {
  margin-top: 64px;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 24px;
  flex-wrap: wrap;
}

.qr-card {
  display: inline-block;
  max-width: 420px;
  width: 100%;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
}

.qr-card h3 {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 8px;
}

.qr-card > p {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  margin-bottom: 24px;
}

.qr-img {
  width: 220px;
  height: 220px;
  object-fit: contain;
  border-radius: var(--radius-md);
  margin: 0 auto 16px;
  display: block;
  border: 1px solid var(--color-border);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  cursor: zoom-in;
}

.qr-img:hover {
  transform: scale(1.5);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
  position: relative;
  z-index: 20;
  background: #fff;
}

.qr-tip {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin: 0;
}

/* ===== 淘口令卡片 ===== */
.tkl-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.tkl-box {
  background: #fff7f0;
  border: 1px dashed #ff5000;
  border-radius: var(--radius-md);
  padding: 16px;
  font-size: 0.875rem;
  color: var(--color-text-dark);
  line-height: 1.7;
  word-break: break-all;
  text-align: left;
  margin-bottom: 20px;
  user-select: all;
}

.tkl-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 0 auto 16px;
}

.tkl-copy-btn {
  cursor: pointer;
  font-size: 1rem;
}

.tkl-manual-btn {
  font-size: 1rem;
  cursor: pointer;
}

.tkl-copy-btn.copied {
  background: linear-gradient(135deg, #2ea44f, #22863a);
  box-shadow: 0 4px 14px rgba(46, 164, 79, 0.35);
}

/* ===== 淘口令全局提示条 ===== */
.tkl-toast {
  position: fixed;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(20, 24, 31, 0.92);
  color: #fff;
  padding: 10px 12px 10px 22px;
  border-radius: 999px;
  font-size: 0.9375rem;
  line-height: 1.5;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 9999;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  max-width: 92vw;
  display: flex;
  align-items: center;
  gap: 14px;
  white-space: nowrap;
}

.tkl-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.tkl-toast-btn {
  flex: 0 0 auto;
  background: #ff5000;
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 0.8125rem;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s ease;
}

.tkl-toast-btn:hover {
  background: #ff7a00;
}

.tkl-trigger {
  cursor: pointer;
}

/* ===== 侧边联系方式 ===== */
.side-contact {
  position: fixed;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sc-item {
  position: relative;
  width: 58px;
  height: 58px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
  transition: var(--transition);
  overflow: visible;
}

.sc-icon {
  font-size: 1.25rem;
  line-height: 1;
}

.sc-label {
  font-size: 0.6875rem;
  color: var(--color-text-medium);
  line-height: 1;
  transition: color 0.3s ease;
}

.sc-item:hover {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-color: transparent;
  transform: translateX(-4px);
  box-shadow: 0 8px 24px rgba(14, 77, 140, 0.28);
}

.sc-item:hover .sc-label {
  color: #fff;
}

/* 悬浮说明气泡 */
.sc-pop {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: rgba(20, 24, 31, 0.94);
  color: #fff;
  font-size: 0.8125rem;
  white-space: nowrap;
  padding: 10px 14px;
  border-radius: 10px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  line-height: 1.4;
}

.sc-pop::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: rgba(20, 24, 31, 0.94);
}

.sc-pop i {
  display: block;
  font-style: normal;
  font-size: 0.75rem;
  color: #9fb2c9;
  margin-top: 2px;
}

.sc-item:hover .sc-pop,
.sc-item.open .sc-pop {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}

/* note: 二维码不用「悬浮气泡」承载（容器太窄会被压扁），
   统一用 body 级大图弹层 .qr-lightbox 展示 */

/* 回到顶部：默认隐藏，滚动后出现 */
.sc-top {
  opacity: 0;
  visibility: hidden;
  max-height: 0;
  padding: 0;
  border-width: 0;
  transform: translateY(10px);
}

.side-contact.show-top .sc-top {
  opacity: 1;
  visibility: visible;
  max-height: 58px;
  padding: 0;
  border-width: 1px;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .side-contact {
    right: 8px;
    gap: 6px;
  }

  .sc-item {
    width: 46px;
    height: 46px;
    border-radius: 12px;
  }

  .sc-icon {
    font-size: 1.0625rem;
  }

  .sc-label {
    display: none;
  }

  .sc-pop {
    display: none;
  }

  .side-contact.show-top .sc-top {
    max-height: 46px;
  }
}

/* ===== 企业微信二维码大图弹层（body 级，不受侧边窄容器限制） ===== */
.qr-lightbox {
  position: fixed;
  inset: 0;
  z-index: 2200;
  background: rgba(15, 20, 30, 0.62);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.qr-lightbox.open {
  opacity: 1;
  visibility: visible;
}

.qr-lightbox-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  max-width: 92vw;
  max-height: 92vh;
  overflow: auto;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
  transform: translateY(12px) scale(0.97);
  transition: transform 0.25s ease;
}

.qr-lightbox.open .qr-lightbox-card {
  transform: translateY(0) scale(1);
}

.qr-lightbox-card h4 {
  margin: 0 0 16px;
  font-size: 1.125rem;
  color: var(--color-text-dark);
}

.qr-lightbox-card img {
  width: min(80vw, 460px);
  height: auto;
  border-radius: 10px;
  margin: 0 auto;
}

.qr-lightbox-card p {
  margin: 14px 0 18px;
  font-size: 0.875rem;
  color: var(--color-text-medium);
}

.qr-lightbox-close {
  min-width: 140px;
  cursor: pointer;
}

@media (max-width: 640px) {
  .qr-lightbox {
    padding: 10px;
  }

  .qr-lightbox-card {
    padding: 16px;
    border-radius: var(--radius-md);
  }

  .qr-lightbox-card img {
    width: 82vw;
  }

  .qr-lightbox-card h4 {
    margin-bottom: 12px;
    font-size: 1rem;
  }
}

/* ===== 手动复制弹窗 ===== */
.tkl-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(15, 20, 30, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.tkl-modal.open {
  opacity: 1;
  visibility: visible;
}

.tkl-modal-dialog {
  background: #fff;
  border-radius: var(--radius-lg, 16px);
  padding: 28px 24px;
  max-width: 480px;
  width: 100%;
  text-align: center;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
  transform: translateY(12px);
  transition: transform 0.25s ease;
}

.tkl-modal.open .tkl-modal-dialog {
  transform: translateY(0);
}

.tkl-modal-dialog h4 {
  margin: 0 0 8px;
  font-size: 1.125rem;
  color: var(--color-text-dark);
}

.tkl-modal-tip {
  margin: 0 0 14px;
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.tkl-modal-text {
  width: 100%;
  border: 1px dashed #ff5000;
  background: #fff7f0;
  border-radius: var(--radius-md);
  padding: 12px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-dark);
  resize: none;
  word-break: break-all;
  margin-bottom: 16px;
  font-family: inherit;
}

.tkl-modal-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.tkl-modal-copy,
.tkl-modal-close {
  min-width: 140px;
  cursor: pointer;
}

.tkl-modal-status {
  margin: 12px 0 0;
  font-size: 0.8125rem;
  color: var(--color-text-light);
  min-height: 1.2em;
}

.tkl-modal-status.ok {
  color: #2ea44f;
  font-weight: 600;
}

@media (max-width: 640px) {
  .tkl-toast {
    flex-direction: column;
    gap: 8px;
    white-space: normal;
    text-align: center;
    padding: 12px 18px;
    border-radius: 18px;
  }

  .tkl-toast-btn {
    width: 100%;
    padding: 9px 16px;
  }

  .tkl-modal-actions {
    flex-direction: column;
  }

  .tkl-modal-copy,
  .tkl-modal-close {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .qr-card {
    padding: 32px 20px;
  }

  .qr-img {
    width: 180px;
    height: 180px;
  }
}

/* ===== Animations ===== */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-up:nth-child(1) { transition-delay: 0.1s; }
.fade-in-up:nth-child(2) { transition-delay: 0.2s; }
.fade-in-up:nth-child(3) { transition-delay: 0.3s; }

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .hero-content,
  .about-intro,
  .product-hero {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-visual { display: none; }

  .features-grid,
  .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

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

  .detail-features {
    grid-template-columns: 1fr;
  }

  .plan-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin: 0 auto;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .hero-title { font-size: 2.25rem; }
  .section-title, .cta-section h2 { font-size: 1.75rem; }
  .page-banner h1 { font-size: 2rem; }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: white;
    padding: 16px;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--color-border);
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-menu a {
    width: 100%;
    padding: 12px 16px;
  }

  .nav-cta {
    margin: 8px 0 0;
    text-align: center;
  }

  .nav-taobao {
    margin: 8px 0 0;
    text-align: center;
  }

  .nav-video {
    margin: 8px 0 0;
    text-align: center;
  }

  .nav-doc-wrap {
    display: block;
    width: 100%;
  }

  .nav-doc {
    display: block;
    margin: 8px 0 0;
    text-align: center;
  }

  /* 手机端菜单已是竖排列表，两本手册直接平铺展示，不做悬浮下拉 */
  .nav-doc-menu {
    position: static;
    transform: none;
    display: flex;
    min-width: 0;
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
  }

  .nav-doc-menu a {
    padding: 10px 16px !important;
    text-align: center !important;
    color: var(--color-primary) !important;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }

  .section { padding: 64px 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .mv-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .contact-info-card, .contact-form-card { padding: 32px 24px; }
}

/* ===== 导航项较多（含淘宝/视频/手册 3 个徽标），中等宽度收紧间距避免溢出 ===== */
@media (min-width: 769px) and (max-width: 1180px) {
  .nav-menu { gap: 0; }
  .nav-menu a { padding: 8px 10px; font-size: 0.875rem; }
  .nav-taobao, .nav-video, .nav-doc { padding: 7px 12px !important; margin-left: 2px; }
  .nav-cta { padding: 8px 16px !important; margin-left: 8px; }
}

/* ============================================
   个性功能增强
   1) 限时渠道价倒计时   2) 智能套餐推荐器
   3) 左下角服务播报     4) 领 5 万字引导弹窗
   5) 视觉动效：打字机 / 鼠标光效 / 卡片倾斜 / 呼吸渐变
   ============================================ */

/* ===== 1. 限时渠道价倒计时 ===== */
.deal-countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin: 0 0 22px;
  padding: 11px 20px;
  background: linear-gradient(90deg, #FFF4E5 0%, #FFE9E9 100%);
  border: 1px solid #FFD9B5;
  border-radius: 999px;
  font-size: 0.875rem;
  color: #B4560B;
}

.dc-tag {
  flex-shrink: 0;
  padding: 3px 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, #FF8A00 0%, #FF4D4F 100%);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.dc-text { color: #8A5A20; }

.dc-timer {
  display: inline-flex;
  align-items: baseline;
  gap: 3px;
  font-weight: 700;
  color: #E03131;
  font-variant-numeric: tabular-nums;
}

.dc-timer b {
  display: inline-block;
  min-width: 2ch;
  padding: 1px 5px;
  border-radius: 5px;
  background: #fff;
  box-shadow: 0 1px 3px rgba(224, 49, 49, 0.18);
  font-size: 0.9375rem;
  text-align: center;
}

.dc-hint {
  flex-shrink: 0;
  padding: 0;
  border: none;
  background: none;
  font-family: inherit;
  font-size: 0.8125rem;
  color: #E03131;
  text-decoration: underline;
  cursor: pointer;
  touch-action: manipulation;
}

.dc-hint:hover { color: #B02020; }

/* ===== 2. 智能套餐推荐器 ===== */
.plan-finder {
  margin: 0 0 26px;
  padding: 26px 26px 22px;
  background: linear-gradient(180deg, #F7FBFF 0%, #FFFFFF 100%);
  border: 1px solid #DCE9F7;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.pf-head { text-align: center; margin-bottom: 20px; }

.pf-head h3 {
  margin-bottom: 6px;
  font-size: 1.25rem;
  color: var(--color-text);
}

.pf-head p {
  font-size: 0.875rem;
  color: var(--color-text-medium);
}

.pf-step { margin-bottom: 16px; }

.pf-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
}

.pf-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.pf-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
  gap: 10px;
}

.pf-opt {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 11px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: var(--transition);
}

.pf-opt small {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-text-light);
}

.pf-opt:hover {
  border-color: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.pf-opt.is-active {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, #EEF5FD 0%, #E7F6FC 100%);
  box-shadow: 0 4px 14px rgba(14, 77, 140, 0.14);
}

.pf-opt.is-active small { color: var(--color-primary); }

.pf-result {
  margin-top: 18px;
  padding: 20px 22px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #0E4D8C 0%, #1470B8 100%);
  color: #fff;
}

.pf-result[hidden] { display: none; }

.pfr-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.pfr-name {
  margin: 8px 0 0;
  font-size: 1.25rem;
}

.pfr-reason {
  margin: 10px 0 16px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
}

.pfr-price {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.12);
}

.pfr-item {
  flex: 1 1 92px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.pfr-item span {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.75);
}

.pfr-item b {
  font-size: 1.125rem;
  font-variant-numeric: tabular-nums;
}

.pfr-item b.ok { color: #FFE08A; }
.pfr-item b.save { color: #FFB4B4; }

.pfr-desc {
  margin: 12px 0 0;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.82);
}

.pf-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.pf-actions .btn {
  flex: 1 1 196px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.btn-ghost-light {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.45);
}

.btn-ghost-light:hover {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}

.pfr-alt {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(255, 255, 255, 0.25);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.78);
}

/* ===== 3. 左下角服务播报 ===== */
.live-tips {
  position: fixed;
  left: 16px;
  bottom: 16px;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 9px;
  max-width: min(340px, calc(100vw - 32px));
  padding: 10px 12px 10px 14px;
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  box-shadow: 0 8px 26px rgba(14, 77, 140, 0.16);
  font-size: 0.8125rem;
  color: var(--color-text-medium);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s ease;
}

.live-tips.is-show { opacity: 1; visibility: visible; transform: translateY(0); }
.live-tips.is-off { display: none; }

.lt-icon { flex-shrink: 0; font-size: 0.95rem; }

.lt-text {
  flex: 1 1 auto;
  line-height: 1.45;
  transition: opacity 0.25s ease;
}

.lt-text.is-swapping { opacity: 0; }

.lt-close {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: var(--color-border-light);
  color: var(--color-text-light);
  font-family: inherit;
  font-size: 0.75rem;
  line-height: 1;
  cursor: pointer;
  touch-action: manipulation;
}

.lt-close:hover { background: var(--color-border); color: var(--color-text); }

/* ===== 4. 领 5 万字引导弹窗 ===== */
.promo-modal {
  position: fixed;
  inset: 0;
  z-index: 2300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(15, 20, 30, 0.62);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s ease, visibility 0.28s ease;
}

.promo-modal.open { opacity: 1; visibility: visible; }

.promo-card {
  position: relative;
  width: min(92vw, 400px);
  max-height: 92vh;
  overflow: auto;
  padding: 26px 24px 20px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  text-align: center;
  transform: translateY(14px) scale(0.96);
  transition: transform 0.28s ease;
}

.promo-modal.open .promo-card { transform: translateY(0) scale(1); }

.promo-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 30px;
  height: 30px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: var(--color-border-light);
  color: var(--color-text-medium);
  font-family: inherit;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  touch-action: manipulation;
}

.promo-close:hover { background: var(--color-border); }

.promo-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, #FF8A00 0%, #FF4D4F 100%);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
}

.promo-card h3 {
  margin: 12px 0 6px;
  font-size: 1.3125rem;
  color: var(--color-text);
}

.promo-card h3 b {
  color: #E03131;
  font-size: 1.5rem;
}

.promo-sub {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--color-text-medium);
}

.promo-qr {
  display: block;
  width: min(62vw, 226px);
  height: auto;
  margin: 16px auto 6px;
  border: 1px solid var(--color-border-light);
  border-radius: 12px;
}

.promo-tip {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.promo-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.promo-actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.promo-mute,
.promo-dismiss {
  padding: 0;
  border: none;
  background: none;
  font-family: inherit;
  font-size: 0.75rem;
  color: var(--color-text-light);
  text-decoration: underline;
  cursor: pointer;
}

.promo-mute:hover,
.promo-dismiss:hover { color: var(--color-text-medium); }

/* 触发弹窗的文字按钮（倒计时右侧、推荐结果内） */
.btn-open-promo {
  padding: 0;
  border: none;
  background: none;
  font-family: inherit;
  cursor: pointer;
  touch-action: manipulation;
}

/* ===== 5. 视觉动效 ===== */

/* 5.1 hero 打字机 */
.hero-typing {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0 0 18px;
  min-height: 1.6em;
  font-size: 0.9375rem;
  color: var(--color-text-medium);
}

.ht-prefix { color: var(--color-text-light); }

.ht-text {
  font-weight: 700;
  color: var(--color-primary);
}

.ht-caret {
  display: inline-block;
  width: 2px;
  height: 1.05em;
  background: var(--color-accent);
  animation: ht-blink 1s step-end infinite;
}

@keyframes ht-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* 5.2 hero 鼠标跟随光效 */
.hero > .container {
  position: relative;
  z-index: 1;
}

.hero-glow {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(440px circle at var(--mx, 50%) var(--my, 30%),
              rgba(0, 166, 214, 0.20), transparent 62%);
  transition: opacity 0.4s ease;
}

.hero:hover .hero-glow { opacity: 1; }

/* 5.3 卡片 3D 倾斜（由 JS 加 .tilt-on） */
.tilt-on {
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.28s ease;
}

/* 5.4 区块呼吸渐变 */
@keyframes bg-breathe {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* 统计区：底色用深蓝（浅底 + 白字对比不足，数字几乎看不见），保留缓慢流动的光泽 */
.stats-section {
  background: linear-gradient(120deg, #0A3A6E 0%, #14538F 32%, #0E4D8C 64%, #0A3A6E 100%);
  background-size: 220% 220%;
  animation: bg-breathe 16s ease-in-out infinite;
}

.stats-section .stat-item .stat-number {
  color: #FFFFFF;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.22);
}

.stats-section .stat-item .stat-number .unit {
  color: rgba(255, 255, 255, 0.9);
  opacity: 1;
}

.stats-section .stat-item .stat-label {
  color: rgba(255, 255, 255, 0.86);
}

.cta-section {
  background-size: 180% 180%;
  animation: bg-breathe 18s ease-in-out infinite;
}

/* ===== 移动端适配 ===== */
@media (max-width: 640px) {
  .deal-countdown {
    gap: 6px 10px;
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 0.8125rem;
    text-align: center;
  }

  .plan-finder { padding: 20px 16px 18px; }
  .pf-options { grid-template-columns: 1fr; }
  .pf-actions .btn { flex: 1 1 100%; }
  .pfr-price { gap: 10px; }
  .pfr-item { flex: 1 1 78px; }
  .pfr-item b { font-size: 1rem; }

  .live-tips {
    left: 10px;
    right: 10px;
    bottom: 10px;
    max-width: none;
    border-radius: 14px;
  }
}

/* ===== 无障碍：尊重系统「减少动态效果」 ===== */
@media (prefers-reduced-motion: reduce) {
  .hero-glow { display: none; }
  .ht-caret { animation: none; }
  .stats-section,
  .cta-section { animation: none; }
  .tilt-on { transition: none; }
  .live-tips { transition: opacity 0.01s linear; }
}

/* ===== 5.5 顶部阅读进度条 ===== */
.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1300;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  transition: width 0.12s linear;
  pointer-events: none;
}

/* ===== 5.6 主要行动按钮的光泽扫过 ===== */
.btn-primary,
.btn-taobao,
.btn-trial {
  position: relative;
  overflow: hidden;
}

.btn-primary::after,
.btn-taobao::after,
.btn-trial::after {
  content: '';
  position: absolute;
  top: 0;
  left: -130%;
  width: 55%;
  height: 100%;
  background: linear-gradient(100deg, transparent 0%, rgba(255, 255, 255, 0.45) 50%, transparent 100%);
  transform: skewX(-18deg);
  pointer-events: none;
  transition: left 0.55s ease;
}

.btn-primary:hover::after,
.btn-taobao:hover::after,
.btn-trial:hover::after {
  left: 135%;
}

/* 引导弹窗内加粗强调 */
.promo-sub b {
  color: #E03131;
}

@media (prefers-reduced-motion: reduce) {
  .read-progress { transition: none; }
  .btn-primary::after,
  .btn-taobao::after,
  .btn-trial::after { display: none; }
}