* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background-color: #ffffff;
  color: #1e293b;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

/* ===== 导航栏：默认通栏，滚动后收缩为悬浮胶囊。过渡只作用于 top/width/margin-top/圆角/底色/阴影，避免中间态影响布局 ===== */
.navbar {
  position: sticky; top: 0; z-index: 50;
  width: 100%; max-width: 100%; margin: 0 auto;
  background: rgba(255, 255, 255, 0.85);
  -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
  border: 1px solid rgba(15, 23, 42, 0);
  border-bottom-color: #e9eef3;
  border-radius: 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  will-change: width, border-radius, top, background-color, box-shadow;
  transition: top .62s cubic-bezier(.4, 0, .2, 1),
              width .62s cubic-bezier(.4, 0, .2, 1),
              border-radius .62s cubic-bezier(.4, 0, .2, 1),
              border-color .5s ease,
              background-color .5s ease,
              box-shadow .62s cubic-bezier(.4, 0, .2, 1);
}

.navbar.scrolled {
  top: 20px;
  width: 800px; max-width: calc(100% - 32px);
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(15px); backdrop-filter: blur(15px);
  border-color: rgba(15, 23, 42, 0.05);
  border-radius: 100px;
  box-shadow: 0 20px 30px rgba(77, 90, 108, 0.12);
}
.nav-container {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1200px; margin: 0 auto;
  padding: 16px 32px; min-height: 64px;
  will-change: padding, min-height;
  transition: padding .58s cubic-bezier(.4, 0, .2, 1), min-height .58s cubic-bezier(.4, 0, .2, 1);
}
.navbar.scrolled .nav-container { padding: 8px 12px 8px 20px; min-height: 54px; }
.brand { display: flex; align-items: center; text-decoration: none; }
.brand-img { height: 32px; width: auto; display: block; transition: height .55s cubic-bezier(.4, 0, .2, 1); }
.navbar.scrolled .brand-img { height: 28px; }
.brand-text { display: none; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; color: #0f172a; }
.nav-links { display: flex; align-items: center; gap: 36px; transition: gap .58s cubic-bezier(.4, 0, .2, 1); }
.nav-links a { position: relative; color: #475569; text-decoration: none; white-space: nowrap; transition: color .2s, font-size .4s cubic-bezier(.4, 0, .2, 1); font-size: 1rem; font-weight: 500; line-height: 1; padding: 6px 0; }
@media (hover: hover){.nav-links a:hover{ color: #0f172a; }}.nav-links a.active{ color: #0f172a; }
.nav-links a.active::after {
  content: ''; position: absolute; left: 0; bottom: -4px; width: 100%; height: 2px;
  background: #33B895; border-radius: 4px;
  transition: opacity .35s cubic-bezier(.4, 0, .2, 1);
}
.navbar.scrolled .nav-links { gap: 40px; }
.navbar.scrolled .nav-links a { font-size: 14px; font-weight: 400; }
.navbar.scrolled .nav-links a.active::after { opacity: 0; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-contact {
  display: inline-flex; align-items: center; justify-content: center;
  height: 32px; padding: 0 14px; border-radius: 60px;
  border: 1px solid rgba(0, 0, 0, 0.2);
  font-size: 14px; font-weight: 400; color: #000;
  background: transparent; cursor: pointer; user-select: none;
  transition: color .2s, background-color .2s, border-color .2s;
}
@media (hover: hover){.nav-contact:hover{ background: rgba(0, 0, 0, 0.06); border-color: rgba(0, 0, 0, 0.32); }}
.btn-primary {
  background: #0f172a; color: white; border: none; padding: 12px 28px;
  border-radius: 20px; font-weight: 600; font-size: 1rem; cursor: pointer;
  transition: all 0.25s; box-shadow: 0 6px 18px rgba(15, 23, 42, 0.15);
  text-decoration: none; display: inline-block; letter-spacing: 0.3px;
}
@media (hover: hover){.btn-primary:hover{ background: #1e293b; transform: translateY(-2px); box-shadow: 0 12px 24px rgba(15, 23, 42, 0.2); }}
.btn-outline {
  background: transparent; border: 1.5px solid #cbd5e1; color: #0f172a;
  padding: 12px 28px; border-radius: 20px; font-weight: 600; font-size: 1rem;
  cursor: pointer; transition: 0.2s; text-decoration: none; display: inline-block;
}
@media (hover: hover){.btn-outline:hover{ background: #f8fafc; border-color: #94a3b8; }}

section { padding: 85px 0; }
.section-title { font-size: 3.2rem; font-weight: 700; letter-spacing: -0.8px; margin-bottom: 16px; color: #0f172a; }
.section-sub { font-size: 1.2rem; color: #475569; max-width: 700px; margin-bottom: 48px; }

.hero {
  background: linear-gradient(135deg, #f0fdf8 0%, #f8fafc 50%, #f0f9ff 100%);
  padding: 0; position: relative; overflow: hidden; border-bottom: 1px solid #e9eef3;
  height: 680px; display: flex; align-items: center;
}
.hero-content { display: flex; align-items: center; justify-content: space-between; gap: 100px; flex-wrap: nowrap; position: relative; z-index: 3; width: 100%; height: 100%; }

.hero-text { flex: 1; display: flex; flex-direction: column; justify-content: center; padding-right: 20px; }
.hero-text .hero-badge {
  display: inline-flex; align-items: center;
  background: rgba(51, 184, 149, 0.08); color: #33B895;
  font-size: 0.9rem; font-weight: 600; padding: 8px 18px;
  border-radius: 4px; margin-bottom: 24px; width: fit-content;
  letter-spacing: 0.3px; animation: badgePulse 2.5s ease-in-out infinite;
}
.hero-text .hero-badge i { font-size: 0.8rem; margin-right: 8px; animation: iconGlow 2.5s ease-in-out infinite; }
.hero-text .hero-badge .hero-badge-icon { height: 1.4em; width: auto; margin-right: 8px; vertical-align: -0.25em; animation: iconGlow 2.5s ease-in-out infinite; filter: drop-shadow(0 0 4px rgba(51,184,149,0.5)); }
@keyframes badgePulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(51, 184, 149, 0.12); transform: translateY(0); } 50% { box-shadow: 0 0 0 10px rgba(51, 184, 149, 0); transform: translateY(-2px); } }
@keyframes iconGlow { 0%, 100% { text-shadow: 0 0 0 rgba(51, 184, 149, 0); } 50% { text-shadow: 0 0 12px rgba(51, 184, 149, 0.5); } }
.hero-text h1 { font-size: 3.6rem; font-weight: 700; line-height: 1.15; margin-bottom: 20px; letter-spacing: -1.5px; color: #0f172a; }
.hero-text h1 span {
  background: linear-gradient(135deg, #33B895 0%, #2dd4bf 50%, #33B895 100%);
  background-size: 200% auto;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  animation: gradientShift 3s ease-in-out infinite;
}
@keyframes gradientShift { 0%, 100% { background-position: 0% center; } 50% { background-position: 200% center; } }
.hero-text p { font-size: 1.05rem; color: #475569; margin-bottom: 36px; max-width: 560px; line-height: 1.8; white-space: pre-line; }
.hero-actions { display: flex; flex-wrap: wrap; }
/* 首页 hero 按钮局部覆盖，不改通用 .btn-primary/.btn-outline，避免波及其他页面 */
.hero-actions .btn-primary { background: #33B895; box-shadow: 0 6px 18px rgba(51,184,149,0.25); border-radius: 4px; }
@media (hover: hover){.hero-actions .btn-primary:hover{ background: #2aa07e; box-shadow: 0 12px 24px rgba(51,184,149,0.30); }}
.hero-actions .btn-outline { border: 1.5px solid #33B895; color: #33B895; border-radius: 4px; }
@media (hover: hover){.hero-actions .btn-outline:hover{ background: #f0fdf4; border-color: #2aa07e; color: #2aa07e; }}
.hero-actions > *:not(:last-child) { margin-right: 16px; }
.hero::before { content: ''; position: absolute; top: -120px; left: -120px; width: 480px; height: 480px; background: radial-gradient(circle, rgba(51, 184, 149, 0.06) 0%, transparent 70%); border-radius: 50%; z-index: 1; pointer-events: none; }
.hero::after { content: ''; position: absolute; bottom: -80px; right: -60px; width: 380px; height: 380px; background: radial-gradient(circle, rgba(51, 184, 149, 0.04) 0%, transparent 70%); border-radius: 50%; z-index: 1; pointer-events: none; }

.scenarios-section { background: #ffffff; position: relative; overflow: hidden; }
.scenarios-section .section-title { margin-bottom: 18px; }
.scenarios-section .section-sub { margin-bottom: 56px; }
.scenarios-wrapper { display: flex; align-items: stretch; flex-wrap: wrap; }
.scenarios-wrapper > * + * { margin-left: 48px; }
.scenarios-nav { flex: 0 0 300px; display: flex; flex-direction: column; gap: 2px; border-left: 2px solid #e9eef3; padding-left: 0; position: relative; z-index: 2; }
.scenario-item {
  padding: 18px 24px; cursor: pointer; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 12px; position: relative; font-weight: 500; color: #475569;
  font-size: 1rem; letter-spacing: 0.2px; border-left: 3px solid transparent;
  margin-left: -2px; display: flex; flex-direction: column;
}
.scenario-item > * + * { margin-top: 8px; }
@media (hover: hover){.scenario-item:hover{ background: #f8fafc; color: #1e293b; }}
.scenario-item.active { background: #ecfdf5; color: #33B895; font-weight: 600; border-left: 3px solid #33B895; box-shadow: 0 4px 12px rgba(51, 184, 149, 0.08); }
.scenario-item .scenario-title { font-size: 1.4rem; font-weight: 700; color: inherit; line-height: 1.3; }
.scenario-item .scenario-desc { font-size: 1.1rem; color: #64748b; font-weight: 400; line-height: 1.4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.scenario-item.active .scenario-desc { color: #33B895; opacity: 0.85; }
.scenarios-display-wrapper { position: relative; flex: 1 1 460px; overflow: visible; }
.scenarios-display {
  background: #f8fafc; border-radius: 28px; border: 1px solid #e9eef3;
  padding: 40px; display: flex; align-items: center; justify-content: center;
  min-height: 400px; box-shadow: 0 15px 40px rgba(0, 0, 0, 0.02);
  word-break: break-word; position: relative; overflow: hidden; cursor: pointer;
}
.scenarios-bg-layer {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background-size: cover; background-position: center; background-repeat: no-repeat;
  background-image: linear-gradient(135deg, rgba(51,184,149,0.10) 0%, rgba(45,212,191,0.06) 45%, rgba(59,130,246,0.05) 100%);
  opacity: 0; transform: scale(1.2);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 1.0s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
}
.scenarios-bg-layer.active { opacity: 1; transform: scale(1); }
.scenarios-bg-layer.zoom-out { opacity: 0; transform: scale(1.08); }
.scenarios-bg-layer.hover-zoom { opacity: 1; transform: scale(1.12); }
.scenarios-content-layer { position: relative; z-index: 2; width: 100%; pointer-events: none; }
.scenario-panel { display: none; width: 100%; pointer-events: auto; }
.scenario-panel.active { display: block; }
.scenario-panel .panel-icon { font-size: 2.6rem; color: #33B895; margin-bottom: 14px; display: block; }
.scenario-panel h3 { font-size: 1.7rem; font-weight: 700; margin-bottom: 8px; color: #0f172a; letter-spacing: -0.5px; text-shadow: 0 1px 2px rgba(255, 255, 255, 0.5); }
.scenario-panel .panel-desc { color: #475569; font-size: 1.05rem; line-height: 2.0; max-width: 100%; text-shadow: 0 1px 2px rgba(255, 255, 255, 0.5); }
.scene-float-img { position: absolute; z-index: 10; pointer-events: none; width: 150px; height: auto; object-fit: contain; display: block; opacity: 0.9; filter: drop-shadow(0 -4px 12px rgba(0, 0, 0, 0.06)); }
.scene-float-right { bottom: calc(100% - 10px); right: 30px; }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 20px; }
.feature-card {
  background: white; padding: 32px 24px; border-radius: 24px;
  border: 1px solid #e9eef3; transition: 0.25s; cursor: pointer;
}
@media (hover: hover){.feature-card:hover{ border-color: #33B895; box-shadow: 0 20px 35px rgba(0, 0, 0, 0.04); }}
.feature-icon { font-size: 2.2rem; color: #33B895; margin-bottom: 20px; display: inline-block; transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
@media (hover: hover){.feature-card:hover .feature-icon{ transform: scale(1.2) rotate(5deg); color: #2aa07e; }}

.pricing-page-header { text-align: center; padding: 60px 0 40px; }
.pricing-page-header h2 { font-size: 3.2rem; font-weight: 700; color: #0f172a; margin-bottom: 12px; }
.pricing-page-header p { font-size: 1.1rem; color: #475569; }
.pricing-grid { display: flex; flex-wrap: wrap; justify-content: flex-start; align-items: stretch; margin: 20px -12px 0; }
.pricing-card { background: #ffffff; border-radius: 20px; padding: 36px 32px; flex: 1 1 340px; max-width: 420px; border: 1px solid #e5e7eb; transition: all 0.3s; display: flex; flex-direction: column; position: relative; margin: 12px; }
@media (hover: hover){.pricing-card:hover{ transform: translateY(-6px); box-shadow: 0 14px 40px rgba(51, 184, 149, 0.18); }}
.pricing-card:active { transform: scale(0.98); }
.pricing-card.featured { border: 2px solid #33B895; box-shadow: 0 8px 30px rgba(51, 184, 149, 0.08); }
.pricing-card .plan-badge { display: inline-block; background: #ecfdf5; color: #33B895; font-size: 0.8rem; font-weight: 600; padding: 4px 12px; border-radius: 20px; margin-bottom: 16px; width: fit-content; }
/* 限时活动徽章 */
.pricing-card .promo-badge { position: absolute; top: -12px; right: 20px; padding: 4px 14px; border-radius: 4px; background: #32e6b9; color: #fff; font-size: 14px; font-weight: 700; line-height: 22px; z-index: 2; white-space: nowrap; animation: badgePulse 2s ease-in-out infinite; }
@keyframes badgePulse { 0%, to { box-shadow: 0 0 #32e6b966; } 50% { box-shadow: 0 0 8px 4px #32e6b933; } }@media (prefers-reduced-motion: reduce){ .pricing-card .promo-badge { animation: none; }}
.pricing-card h3 { font-size: 1.5rem; font-weight: 700; color: #111827; margin-bottom: 4px; }
.pricing-card .price { font-size: 2.8rem; font-weight: 700; color: #111827; margin-bottom: 4px; display: flex; align-items: baseline; }
.pricing-card .price span { margin-left: 2px; }
.pricing-card .price span { font-size: 1rem; font-weight: 500; color: #6b7280; }
.pricing-card .plan-seats { font-size: 0.9rem; color: #374151; font-weight: 600; margin-bottom: 4px; }
.pricing-card .plan-desc { font-size: 0.9rem; color: #475569; margin-bottom: 24px; line-height: 1.5; }
.pricing-card .btn-contact { display: flex; align-items: center; justify-content: center; width: 100%; padding: 14px 20px; border-radius: 12px; font-weight: 600; font-size: 0.95rem; text-align: center; cursor: pointer; transition: all 0.25s; text-decoration: none; margin-bottom: 16px; background: #33B895; color: #ffffff; border: none; letter-spacing: 0.3px; }
.pricing-card .btn-contact i { margin-right: 8px; }
@media (hover: hover){.pricing-card .btn-contact:hover{ background: #2aa07e; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(51, 184, 149, 0.25); }}
.pricing-card .contact-phone { text-align: center; font-size: 0.95rem; font-weight: 600; color: #33B895; margin-bottom: 24px; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: color 0.2s; }
.pricing-card .contact-phone i { margin-right: 6px; }
@media (hover: hover){.pricing-card .contact-phone:hover{ color: #2aa07e; }}
.pricing-card .plan-divider { border: none; border-top: 1px solid #e5e7eb; margin: 0 0 20px 0; }
.pricing-card .plan-section-label { font-size: 0.85rem; font-weight: 600; color: #475569; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.pricing-card .plan-features { list-style: none; margin: 0 0 20px 0; padding: 0; color: #374151; font-size: 0.9rem; flex: 1 1 auto; }
.pricing-card .plan-features li { margin-bottom: 10px; display: flex; align-items: center; line-height: 1.4; }
.pricing-card .plan-features li i { margin-right: 10px; }
.pricing-card .plan-features li i { color: #33B895; font-size: 0.9rem; width: 16px; text-align: center; flex-shrink: 0; }
.pricing-card .plan-features li .feature-exclusive { display: inline-block; background: #ecfdf5; color: #33B895; font-size: 0.7rem; font-weight: 700; padding: 2px 8px; border-radius: 10px; margin-left: 6px; }

.qr-modal-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.5); z-index: 1000; align-items: center; justify-content: center; backdrop-filter: blur(4px); }
.qr-modal-overlay.active { display: flex; }
.qr-modal { background: #ffffff; border-radius: 24px; padding: 40px 36px; text-align: center; max-width: 400px; width: 90%; box-shadow: 0 25px 60px rgba(0, 0, 0, 0.18); position: relative; animation: modalFadeIn 0.3s ease; }
@keyframes modalFadeIn { from { opacity: 0; transform: translateY(20px) scale(0.95); } to { opacity: 1; transform: translateY(0) scale(1); } }
.qr-modal .modal-close { position: absolute; top: 16px; right: 20px; width: 36px; height: 36px; border-radius: 50%; border: none; background: #f3f4f6; color: #6b7280; font-size: 1.1rem; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.2s; }
@media (hover: hover){.qr-modal .modal-close:hover{ background: #e5e7eb; color: #374151; }}
.qr-modal h3 { font-size: 1.3rem; font-weight: 700; color: #111827; margin-bottom: 8px; }
.qr-modal p { font-size: 0.9rem; color: #475569; margin-bottom: 24px; }
.qr-modal .qr-code-img { width: 240px; height: 240px; margin: 0 auto 20px; display: block; border-radius: 12px; border: 1px solid #e5e7eb; padding: 8px; background: #ffffff; object-fit: contain; }
.qr-modal .qr-phone { font-size: 1.1rem; font-weight: 700; color: #33B895; display: flex; align-items: center; justify-content: center; }
.qr-modal .qr-phone i { margin-right: 8px; }

/* 证书弹窗：专用大尺寸，保证文字清晰 */
.cert-modal { max-width: 900px; width: 92%; padding: 0; background: transparent; border-radius: 0; box-shadow: none; }
.cert-modal img { width: 100%; max-width: 860px; height: auto; display: block; }
.cert-modal .modal-close { box-shadow: 0 2px 10px rgba(0,0,0,0.35); }

footer { color: #475569; padding: 20px 0 60px; text-align: center; border-top: 1px solid #e9eef3; }

/* 页脚版权行：桌面一行，≤600px 拆两行 */

.footer-bottom { margin-top: 0; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; font-size: 0.82rem; color: #475569; }
.footer-bottom .fbot-l { display: flex; align-items: baseline; gap: 20px; flex-wrap: wrap; }
.footer-bottom .fbot-l .fine a { color: inherit; text-decoration: underline; }
.footer-bottom .beian { display: flex; gap: 18px; flex-wrap: wrap; color: #94a3b8; font-size: 12px; }
.footer-bottom .beian a { color: #94a3b8; text-decoration: none; }
@media (hover: hover){.footer-bottom .beian a:hover{ text-decoration: underline; }}
/* 仅极窄 320px 屏轻微缩小防溢出 */
@media (max-width: 320px) {
  .footer-bottom { font-size: 0.78rem; }
}

.faq-list { max-width: 1000px; margin: 0 auto; }

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

/* ===== 响应式 ===== */
/* 平板区间：三卡换行时第三张居中，避免落单左对齐 */
@media (max-width: 1156px) {
  .pricing-grid { justify-content: center; }
}@media (max-width: 1024px){
  .hero { height: auto; min-height: auto; padding: 80px 0; }
  .hero-content { flex-direction: column; text-align: center; gap: 36px; }
  .hero-text { flex: auto; align-items: center; padding-right: 0; }
  .hero-text p { max-width: 100%; white-space: normal; }
  .hero-text .hero-badge { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-text h1 { font-size: 3rem; }
  .section-title { font-size: 2.4rem; }
  .pricing-page-header h2 { font-size: 2.4rem; }
  .scenario-item .scenario-desc { white-space: normal; font-size: 0.95rem; }
  .scene-float-img { width: 150px; }
  /* 平板/横屏：场景区上下堆叠，避免右侧大框被挤压变形 */
  .scenarios-wrapper { flex-direction: column; }
  .scenarios-nav { flex: auto; border-left: 2px solid #e9eef3; border-bottom: none; width: 100%; }
  .scenarios-display-wrapper { margin-top: 50px; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }}@media (max-width: 768px){
  .hero { padding: 50px 0; }
  .container { padding: 0 20px; }
  .hero-text h1 { font-size: 2.3rem; }
  .section-title { font-size: 2.0rem; }
  .pricing-page-header h2 { font-size: 2.0rem; }

  .scenarios-wrapper { flex-direction: column; gap: 0; }
  .scenarios-wrapper > * + * { margin-left: 0; margin-top: 0; }
  .scenarios-nav {
    flex: auto; border-left: 2px solid #e9eef3; border-bottom: none;
    flex-direction: column; overflow-x: visible;
    padding-bottom: 0; width: 100%;
  }
  .scenarios-nav > * + * { margin-top: 8px; }
  .scenario-item {
    border-left: 3px solid transparent !important; border-bottom: none !important;
    white-space: normal; margin-left: -2px !important;
    padding: 14px 18px; flex-shrink: 0;
    display: flex; flex-direction: column;
  }
  .scenario-item > * + * { margin-top: 4px; }
  .scenario-item.active { border-left: 3px solid #33B895 !important; border-bottom: none !important; }

  .scenario-item .scenario-desc {
    white-space: normal;
    font-size: 1.1rem;
  }

  .scenarios-display-wrapper { margin-top: 50px; padding-top: 70px; position: relative; flex: 1 1 auto !important; width: 100% !important; max-width: none !important; }
  .scenarios-display { padding: 16px; margin-top: 8px; min-height: 240px; }

  .scene-float-img { width: 90px; opacity: 0.85; position: absolute; z-index: 10; }
  .scene-float-right { right: 8px; top: 12px; bottom: auto; }

  section { padding: 50px 0; }
  .features-grid { grid-template-columns: 1fr; }

  .scenarios-section {
    padding-bottom: 0;
  }
  /* 场景区移动端：仅面板外扩 10px，标题仍与全站对齐 */
  .scenarios-wrapper { margin: 0 -10px; }
  .scenarios-display { padding: 12px; }

  .navbar { width: 100%; top: 0; }
  .navbar.scrolled { width: calc(100% - 24px); top: 12px; }
  .nav-container { padding: 10px 14px; min-height: 52px; }
  .navbar.scrolled .nav-container { padding: 6px 10px 6px 14px; min-height: 36px; }
  .nav-links { gap: 16px; }
  .navbar.scrolled .nav-links { gap: 16px; }
  .nav-links a { font-size: 14px; }
  .navbar.scrolled .nav-links a { font-size: 14px; }
  .brand-img { height: 24px; }
  .navbar.scrolled .brand-img { height: 24px; }
  .nav-contact { height: 28px; padding: 0 12px; font-size: 13px; }
  .pricing-card { max-width: 100%; height: auto; }

  /* 移动端隐藏 banner 描述小字 */
  .hero-text > p { display: none; }

  /* 移动端 Hero 按钮：横排等高、文字不换行 */
  .hero-actions { flex-direction: row; align-items: stretch; width: 100%; }
  .hero-actions > * { flex: 1 1 auto; }
  .hero-actions > *:not(:last-child) { margin-right: 12px; }
  .btn-primary, .btn-outline { padding: 14px 18px; font-size: .92rem; text-align: center; white-space: nowrap; box-sizing: border-box; }

  /* 移动端隐藏对比表次要行（仅保留 1/3/4/5/6/13），PC 不变 */
  .cmp-table tr.m-hide { display: none; }

  /* 移动端证书弹窗撑满、无白底 */
  .cert-modal { width: 95%; padding: 0; }
  .cert-modal img { max-width: 100%; }}@media (max-width: 360px){
  .pricing-card { padding: 20px 16px; }
  .pricing-card .price { font-size: 2rem; }
  .hero-text h1 { font-size: 2rem; }
  .section-title { font-size: 1.6rem; }
  .pricing-page-header h2 { font-size: 1.6rem; }
  .navbar { width: 100%; top: 0; }
  .navbar.scrolled { width: calc(100% - 16px); top: 8px; }
  .nav-links { gap: 12px; }
  .navbar.scrolled .nav-links { gap: 12px; }
  .nav-links a { font-size: 13px; }
  .navbar.scrolled .nav-links a { font-size: 13px; }
  .nav-container { padding: 8px 12px; }
  .navbar.scrolled .nav-container { padding: 6px 8px 6px 12px; }
  .nav-contact { display: none; }
  .container { padding: 0 16px; }
  .hero-actions { flex-direction: row; align-items: stretch; }
  .hero-actions > * { flex: 1 1 auto; }
  .hero-actions > *:not(:last-child) { margin-right: 12px; }
  .btn-primary, .btn-outline { padding: 13px 16px; font-size: .88rem; text-align: center; white-space: nowrap; box-sizing: border-box; }
  .features-grid { grid-template-columns: 1fr; }

  .scenarios-display-wrapper { padding-top: 24px; }
  .scene-float-img { width: 70px; }
  .scene-float-right { right: 3px; top: 5px; }
  .scenario-item .scenario-title { font-size: 1rem; }
  .scenario-item .scenario-desc { font-size: 0.85rem; }
  .scenarios-display { padding: 16px 14px; min-height: 220px; }
  .scenario-panel .panel-icon { font-size: 1.8rem; }
  .scenario-panel h3 { font-size: 1.2rem; }
  .scenario-panel .panel-desc { font-size: 0.85rem; }}

html { height: 100%; }
/* body 至少一屏高并随内容增长，避免 sticky 导航只吸附一屏 */
body { min-height: 100vh; display: flex; flex-direction: column; }
.page-section.active { flex: 1 0 auto; }

.pricing-page-header { text-align: left; }
.pricing-page-header p { color: #475569; margin-top: 8px; }

/* 参考对比 / 预算板块 */
.ref-section { background: #f8fafc; padding: 50px 0; }
.ref-section > .container > .section-title,
.why-section > .container > .section-title,
.faq-section > .container > .section-title { text-align: left; }
.ref-sub { text-align: left; color: #475569; margin-bottom: 30px; max-width: 820px; }

.cmp-table, .budget-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 14px; overflow: hidden; box-shadow: 0 4px 18px rgba(15, 23, 42, 0.05); }
.cmp-table th, .cmp-table td, .budget-table th, .budget-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid #eef2f6; font-size: .92rem; vertical-align: top; }
.cmp-table thead th, .budget-table thead th { background: #33B895; color: #fff; font-weight: 700; font-size: .95rem; }
.cmp-table tbody tr:nth-child(even), .budget-table tbody tr:nth-child(even) { background: #f8fafc; }
.cmp-table td:first-child, .budget-table td:first-child { font-weight: 600; color: #0f172a; white-space: nowrap; }
.yes { color: #15906a; font-weight: 700; }
.no { color: #94a3b8; }
.cmp-table td:nth-child(3), .budget-table td:nth-child(2) { color: #15906a; font-weight: 600; }
.cmp-table td:nth-child(3) { background: rgba(51, 184, 149, 0.06); }
.ref-note { color: #475569; font-size: .92rem; margin-top: 28px; line-height: 1.7; text-align: left; }
.qr-link { color: #33B895; font-weight: 700; cursor: pointer; text-decoration: underline; }
@media (hover: hover){.qr-link:hover{ color: #15906a; }}
.save-tip .qr-link { color: #15906a; }

/* 为什么选择德视通 */
.why-section { padding: 50px 0; }
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; margin-top: 24px; }
/* iPad 竖屏 / 小屏笔记本：4 卡强制 2 列，避免 3+1 掉行（覆盖上方 auto-fit） */
@media (min-width: 769px) and (max-width: 1100px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}
.why-card { background: #fff; border: 1px solid #e9eef3; border-radius: 14px; padding: 24px; }
.why-card h3 { font-size: 1.05rem; color: #0f172a; margin-bottom: 8px; }
.why-card p { color: #475569; font-size: .88rem; line-height: 1.6; }

/* 内置权益（随企业版提供） */
.benefit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; margin-top: 24px; }
.benefit-card { background: #fff; border: 1px solid #e9eef3; border-radius: 14px; padding: 22px; transition: transform .25s ease, box-shadow .25s ease; }
@media (hover: hover){.benefit-card:hover{ transform: translateY(-4px); box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08); }}
.benefit-card h3 { font-size: 1rem; color: #0f172a; margin-bottom: 4px; }
.benefit-card ul { list-style: none; margin-top: 10px; }
.benefit-card li { color: #475569; font-size: .88rem; line-height: 1.7; }
.benefit-card li i { color: #33B895; margin-right: 8px; font-size: .8rem; }

/* 企业私有化部署 */
.privatize-box { background: #0f172a; color: #fff; border-radius: 18px; padding: 40px 44px; display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.privatize-box h2 { color: #fff; font-size: 1.5rem; margin-bottom: 10px; }
.privatize-box p { color: rgba(255, 255, 255, 0.75); font-size: .95rem; line-height: 1.8; max-width: 760px; }
.privatize-box .btn-privatize { background: #33B895; color: #fff; border: none; padding: 13px 30px; border-radius: 60px; font-weight: 700; font-size: .98rem; cursor: pointer; white-space: nowrap; transition: background .2s, transform .2s; }
@media (hover: hover){.privatize-box .btn-privatize:hover{ background: #15906a; }}
.privatize-box .btn-privatize:active { transform: scale(.98); }@media (max-width: 768px){
  .privatize-box { padding: 30px 24px; }
  .privatize-box h2 { font-size: 1.25rem; }}

/* FAQ 手风琴 */
.faq-section { background: #fff; padding: 50px 0; }
.faq-list { max-width: 1280px; margin: 0; display: flex; flex-direction: column; }
.faq-item { background: #f8fafc; border-bottom: 1px solid #e9eef3; overflow: hidden; }
.faq-item:first-child { border-radius: 16px 16px 0 0; }
.faq-item:last-child { border-radius: 0 0 16px 16px; border-bottom: none; }
.faq-question { display: flex; align-items: center; justify-content: space-between; padding: 20px 28px; cursor: pointer; font-weight: 600; font-size: 1.05rem; color: #0f172a; user-select: none; }
@media (hover: hover){.faq-question:hover{ color: #33B895; }}
.faq-arrow { display: inline-block; width: 12px; height: 12px; border-right: 2px solid #33B895; border-bottom: 2px solid #33B895; transform: rotate(45deg); transition: transform .3s ease; flex-shrink: 0; margin-left: 16px; margin-top: -4px; }
.faq-item.active .faq-arrow { transform: rotate(-135deg); margin-top: 4px; }
  .faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .4s ease; padding: 0 28px; }
  .faq-answer > * { overflow: hidden; min-height: 0; }
  .faq-item.active .faq-answer { grid-template-rows: 1fr; padding: 0 28px 24px; }
.faq-answer p { font-size: 1rem; color: #475569; line-height: 1.8; }

/* 入场动效 */
html:not(.js) .reveal { opacity: 1; transform: none; }
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
.pricing-card, .why-card { transition: transform .25s ease, box-shadow .25s ease; }
@media (hover: hover){.why-card:hover{ transform: translateY(-4px); box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08); }}
.cmp-table td:nth-child(3) { animation: breathe 3.5s ease-in-out infinite; }
@keyframes breathe { 0%, 100% { background: rgba(51, 184, 149, 0.06); } 50% { background: rgba(51, 184, 149, 0.13); } }
.btn-contact:active { transform: scale(0.98); }

/* 回到顶部 */
.back-to-top {
  position: fixed; right: 28px; bottom: 28px; z-index: 60;
  width: 46px; height: 46px; border-radius: 50%; padding: 0;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.8);
  -webkit-backdrop-filter: blur(15px); backdrop-filter: blur(15px);
  box-shadow: 0 10px 24px rgba(77, 90, 108, 0.16);
  color: #0f172a; font-size: 16px; cursor: pointer;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s, background-color .2s, color .2s;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
@media (hover: hover){.back-to-top:hover{ background: #0f172a; color: #fff; }}@media (max-width: 768px){
  .back-to-top { right: 16px; bottom: 16px; width: 42px; height: 42px; }}

/* 移动端适配 */
@media (max-width: 768px) {
  .pricing-grid { margin: 20px -9px 0; }
  .why-grid { grid-template-columns: 1fr; gap: 16px; }
  .ref-section { padding: 50px 0; }
  .cmp-table, .budget-table { display: block; overflow-x: visible; }
  .cmp-table thead, .budget-table thead { display: none; }
  .cmp-table tbody, .budget-table tbody { display: block; }
  .cmp-table tr, .budget-table tr { display: block; background: #fff; border: 1px solid #e5e7eb; border-radius: 12px; margin-bottom: 14px; box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04); }
  .cmp-table td, .budget-table td { display: flex; justify-content: space-between; gap: 12px; padding: 10px 14px; border-bottom: 1px solid #f1f5f9; white-space: normal; text-align: right; }
  .cmp-table td:last-child, .budget-table td:last-child { border-bottom: none; }
  .cmp-table td::before, .budget-table td::before { content: attr(data-label); font-weight: 600; color: #475569; text-align: left; flex-shrink: 0; margin-right: 12px; }
  .cmp-table td:first-child, .budget-table td:first-child { background: #f0fdf9; border-radius: 12px 12px 0 0; font-weight: 700; color: #0f172a; justify-content: flex-start; }
  .cmp-table td:first-child::before, .budget-table td:first-child::before { content: none; }
  .ref-note { white-space: normal; }
  .faq-section { padding: 50px 0; }
  .faq-question { padding: 16px 20px; font-size: .95rem; }
  .faq-item.active .faq-answer { padding: 0 20px 18px; }
  .invite-box { margin: 24px 0 0; padding: 18px; }
  .invite-box a { font-size: .85rem; word-break: break-all; }
}@media (max-width: 480px){
  .faq-answer p { font-size: .92rem; }
  .hero-actions { flex-direction: row; align-items: stretch; gap: 12px; width: 100%; }
  .hero-actions > * { margin-right: 0; margin-bottom: 0; flex: 1 1 auto; min-width: 0; box-sizing: border-box; }
  .hero-actions > *:not(:last-child) { margin-right: 0; }
  .btn-primary, .btn-outline { padding: 14px 12px; font-size: .9rem; text-align: center; white-space: nowrap; box-sizing: border-box; overflow: hidden; text-overflow: ellipsis; }}

/* ===== 触摸命中区扩展：透明伪元素，不改变视觉与布局 ===== */
/* 导航/联系销售/回到顶端可点高度不足 44px，垂直扩展到 44px */
.navbar .brand { position: relative; }
.nav-actions .nav-contact { position: relative; }
.nav-links a::before,
.navbar .brand::before,
.nav-actions .nav-contact::before,
.back-to-top::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 44px;
  transform: translateY(-50%);
  background: transparent;
  pointer-events: auto;
}