/* GTark 全站静态CSS */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #2563EB;
  --blue-dark: #1e3a8a;
  --blue-light: #EFF6FF;
  --indigo: #4F46E5;
  --purple: #7C3AED;
  --green: #059669;
  --cyan: #0891B2;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-700: #334155;
  --gray-900: #0F172A;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --metric-card-bg: rgba(255, 255, 255, 0.12);
  --metric-card-shadow: 0 10px 30px rgba(15, 23, 42, 0.18);
  --metric-card-shadow-hover: 0 16px 40px rgba(37, 99, 235, 0.28);
  --metric-value-color: #e0f2fe;
  --metric-ring-start: #2563EB;
  --metric-ring-end: #22D3EE;
  --metric-ring-track: #e2e8f0;
  --metric-label-color: #334155;
  --metric-meta-color: #64748b;
  --metric-tooltip-bg: rgba(15, 23, 42, 0.9);
  --metric-tooltip-color: #ffffff;
}

html { scroll-behavior: smooth; }
body {
  font-family: 'HarmonyOS Sans SC', 'HarmonyOS Sans', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--gray-900);
  background: #fff;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── 通用容器 ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 max(24px, env(safe-area-inset-right, 0px)) 0 max(24px, env(safe-area-inset-left, 0px)); }
.container.narrow { max-width: 900px; }

/* ── 通用按钮 ── */
.btn-primary-lg {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--blue); color: #fff;
  padding: 14px 32px; border-radius: 10px;
  font-weight: 700; font-size: 16px;
  border: none; cursor: pointer;
  transition: background .2s, transform .2s, box-shadow .2s;
  box-shadow: 0 4px 20px rgba(37,99,235,.35);
}
.btn-primary-lg:hover { background: #1d4ed8; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(37,99,235,.45); }
.btn-outline-lg {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.15); color: #fff;
  padding: 14px 32px; border-radius: 10px;
  font-weight: 700; font-size: 16px;
  border: 1.5px solid rgba(255,255,255,.4); cursor: pointer;
  transition: background .2s, transform .2s;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.btn-outline-lg:hover { background: rgba(255,255,255,.25); transform: translateY(-2px); }
.btn-text {
  color: rgba(255,255,255,.9); font-weight: 500; font-size: 14px;
  padding: 8px 16px; border-radius: 8px;
  border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.06);
  transition: color .2s, background .2s, border-color .2s;
  white-space: nowrap;
}
.btn-text:hover { color: #fff; background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.35); }
.btn-primary {
  background: linear-gradient(135deg, #3b82f6, #2563eb); color: #fff;
  padding: 8px 22px; border-radius: 8px; font-weight: 600; font-size: 14px;
  border: none; cursor: pointer;
  box-shadow: 0 2px 10px rgba(37,99,235,.3);
  transition: background .2s, transform .2s, box-shadow .2s;
  white-space: nowrap;
}
.btn-primary:hover { background: linear-gradient(135deg, #60a5fa, #3b82f6); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(37,99,235,.4); }

/* ── 触摸交互优化（华为/鸿蒙） ── */
button, a, [role="button"], .case-tab, .period-btn, .faq-q, .nav-link, .mobile-link {
  -webkit-touch-callout: none;
  touch-action: manipulation;
}
@media (pointer: coarse) {
  button, a.btn-primary, a.btn-primary-lg, a.btn-outline-lg,
  .case-tab, .period-btn, .faq-q, .nav-toggle, .wechat-btn,
  .pricing-cta, .feature-cta, .case-cta, .mobile-link {
    min-height: 44px;
    min-width: 44px;
  }
}

/* ── 渐变文字 ── */
.gradient-text {
  background: linear-gradient(135deg, #60A5FA, #A78BFA);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Section 通用 ── */
.section-white { background: #fff; padding: 96px 0; }
.section-light { background: #F0F4FF; padding: 96px 0; }
.section-pale { background: var(--gray-50); padding: 96px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-title { font-size: clamp(28px, 4vw, 42px); font-weight: 900; line-height: 1.2; margin-bottom: 16px; }
.section-desc { font-size: 17px; color: var(--gray-500); max-width: 600px; margin: 0 auto; }

/* ── 滚动动画 ── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }
.fade-in { animation: fadeInUp .8s ease forwards; }
.fade-in-delay { animation: fadeInUp .8s ease .2s both; }
.fade-in-late { animation: fadeInUp .8s ease .4s both; }
@keyframes fadeInUp { from { opacity:0; transform:translateY(32px); } to { opacity:1; transform:none; } }
.float-anim { animation: floatY 4s ease-in-out infinite; }
.float-anim-delay { animation: floatY 4s ease-in-out .5s infinite; }
@keyframes floatY { 0%,100% { transform:translateY(0); } 50% { transform:translateY(-10px); } }

/* ════════════════════════════════════════
   导航栏
════════════════════════════════════════ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(15,23,42,.4);
  transition: background .3s, box-shadow .3s;
  padding-top: env(safe-area-inset-top, 0px);
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
}
.navbar.scrolled {
  background: rgba(15,23,42,.92);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 64px; display: flex; align-items: center; gap: 32px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-wrap { width: auto; max-width: 160px; height: 32px; display: flex; align-items: center; justify-content: center; }
.logo-img { width: auto; object-fit: contain; }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-brand { font-size: 13px; font-weight: 700; color: #fff; white-space: nowrap; }
.logo-sub { font-size: 11px; color: rgba(255,255,255,.6); white-space: nowrap; }
.nav-links { display: flex; gap: 4px; margin-left: auto; flex-shrink: 0; }
.nav-link { color: rgba(255,255,255,.8); font-size: 14px; font-weight: 500; padding: 6px 12px; border-radius: 6px; transition: color .2s, background .2s; white-space: nowrap; }
.nav-link:hover { color: #fff; background: rgba(255,255,255,.1); }
.nav-cta { display: flex; align-items: center; gap: 12px; margin-left: 16px; flex-shrink: 0; }
.nav-toggle { display: none; flex-direction: column; align-items: center; justify-content: center; gap: 5px; background: none; border: none; cursor: pointer; width: 44px; height: 44px; padding: 0; margin-left: auto; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: .3s; }
.mobile-menu { display: none; background: rgba(15,23,42,.96); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); padding: 16px 24px calc(24px + env(safe-area-inset-bottom, 0px)); padding-left: calc(24px + env(safe-area-inset-left, 0px)); padding-right: calc(24px + env(safe-area-inset-right, 0px)); flex-direction: column; gap: 4px; }
.mobile-link { color: rgba(255,255,255,.8); font-size: 15px; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.mobile-link:hover { color: #fff; }
.mobile-cta { display: flex; gap: 12px; margin-top: 20px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.08); }
.btn-outline-mobile {
  flex: 1; text-align: center; padding: 12px 16px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15);
  border-radius: 10px; color: rgba(255,255,255,.9); font-weight: 600; font-size: 15px;
  transition: background .2s, border-color .2s, color .2s;
}
.btn-outline-mobile:hover { background: rgba(255,255,255,.15); border-color: rgba(255,255,255,.3); color: #fff; }
.btn-primary-mobile {
  flex: 1; text-align: center; padding: 12px 16px;
  background: #fff; border: none; border-radius: 10px;
  color: var(--blue); font-weight: 700; font-size: 15px;
  box-shadow: 0 2px 12px rgba(37,99,235,.2);
  transition: background .2s, box-shadow .2s, transform .2s;
}
.btn-primary-mobile:hover { background: #f0f6ff; box-shadow: 0 4px 20px rgba(37,99,235,.3); transform: translateY(-1px); }

/* ════════════════════════════════════════
   Hero 区
════════════════════════════════════════ */
.hero {
  position: relative; min-height: 100vh;
  min-height: calc(var(--vh, 1vh) * 100);
  min-height: -webkit-fill-available;
  background: linear-gradient(135deg, #0F172A 0%, #1e3a8a 50%, #1e40af 100%);
  display: flex; align-items: center; overflow: hidden;
  padding: calc(100px + env(safe-area-inset-top, 0px)) 0 60px;
}
.hero-bg {
  position: absolute; top: 0; right: 0; bottom: 0; left: 0;
  background-size: cover; background-position: center;
  opacity: .25;
}
.hero-bg--main { background-image: url(/images/external/hero-bg-36EfFWF8y53HUZKP9YGnaM.webp); }
.particle-canvas { position: absolute; top: 0; right: 0; bottom: 0; left: 0; pointer-events: none; }
.hero-fade-bottom {
  position: absolute; bottom: 0; left: 0; right: 0; height: 200px;
  background: linear-gradient(to bottom, transparent, #0F172A);
}
.hero-content { position: relative; z-index: 2; width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.9); font-size: 13px; font-weight: 600;
  padding: 6px 14px; border-radius: 20px; margin-bottom: 20px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.badge-dot { width: 8px; height: 8px; background: #22C55E; border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:.4; } }
.hero-title { font-size: clamp(36px, 5vw, 60px); font-weight: 900; color: #fff; line-height: 1.15; margin-bottom: 20px; }
.hero-desc { font-size: 17px; color: rgba(255,255,255,.75); line-height: 1.7; margin-bottom: 32px; max-width: 520px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-trust { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 6px; font-size: 13px; color: rgba(255,255,255,.7); }
.trust-icon { font-size: 14px; }
.trust-sep { color: rgba(255,255,255,.3); }

/* 数据卡片 */
.data-card {
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px); border-radius: 20px;
  padding: 24px; position: relative;
}
.data-card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 20px; }
.data-card-sub { font-size: 12px; color: rgba(255,255,255,.6); margin-bottom: 4px; }
.data-card-title { font-size: 16px; font-weight: 700; color: #fff; }
.data-card-icon { font-size: 28px; }
.data-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px; }
.gt-metrics { position: relative; }
.gt-metrics::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translate(-50%, 8px);
  background: var(--metric-tooltip-bg);
  color: var(--metric-tooltip-color);
  font-size: 12px;
  line-height: 1.4;
  padding: 8px 12px;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
  z-index: 4;
}
.gt-metrics:hover::after { opacity: 1; transform: translate(-50%, 0); }
.metric-card {
  position: relative;
  text-align: center;
  background: var(--metric-card-bg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-radius: 14px;
  padding: 14px 10px 12px;
  box-shadow: var(--metric-card-shadow);
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease;
}
.metric-card:hover,
.metric-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--metric-card-shadow-hover);
  outline: none;
}
.metric-value {
  font-size: 24px;
  font-weight: 900;
  color: var(--metric-value-color);
  line-height: 1.2;
  margin-bottom: 6px;
}
.metric-value--green { color: #4ADE80; }
.metric-value--blue { color: #60A5FA; }
.metric-value--cyan { color: #22D3EE; }
.metric-label {
  font-size: 13px;
  color: var(--metric-label-color);
  font-weight: 700;
  margin-bottom: 0;
}
.metric-meta {
  font-size: 11px;
  color: var(--metric-meta-color);
  line-height: 1.3;
}
.data-platforms { border-top: 1px solid rgba(255,255,255,.1); padding-top: 14px; }
.platforms-label { font-size: 12px; color: rgba(255,255,255,.5); margin-bottom: 8px; }
.platform-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.ptag {
  font-size: 12px; font-weight: 700; color: rgba(255,255,255,.9);
  padding: 4px 10px; border-radius: 6px; border: 1px solid;
}
.ptag-icon {
  width: 28px;
  height: 28px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.ptag-icon img {
  width: 16px;
  height: 16px;
  object-fit: contain;
}
.ptag-icon--doubao { background: #2563EB33; border-color: #2563EB66; }
.ptag-icon--qwen { background: #7C3AED33; border-color: #7C3AED66; }
.ptag-icon--yuanbao { background: #DC262633; border-color: #2563EB66; }
.ptag-icon--wenxin { background: #2563EB33; border-color: #2563EB66; }
.ptag-icon--kimi { background: #05966933; border-color: #05966966; }
.ptag-icon--deepseek { background: #4F46E533; border-color: #2563EB66; }

/* 浮动小卡片 */
.hero-right { position: relative; }
.float-card {
  position: absolute; background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.2); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-radius: 12px; padding: 12px 16px;
  display: flex; align-items: center; gap: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
}
.float-card-tr { top: -20px; right: -20px; }
.float-card-bl { bottom: -20px; left: -20px; }
.fc-icon { width: 36px; height: 36px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.green-bg { background: rgba(34,197,94,.2); }
.blue-bg { background: rgba(96,165,250,.2); }
.fc-sub { font-size: 11px; color: rgba(255,255,255,.6); }
.fc-val { font-size: 13px; font-weight: 700; color: #fff; }

/* Hero 底部统计 */
.hero-stats {
  display: flex; justify-content: center; gap: 48px;
  margin-top: 64px; padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,.1);
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-val { font-size: 36px; font-weight: 900; color: #fff; }
.stat-label { font-size: 13px; color: rgba(255,255,255,.6); margin-top: 4px; }

/* ════════════════════════════════════════
   功能区
════════════════════════════════════════ */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; margin-bottom: 96px; }
.feature-row:last-of-type { margin-bottom: 0; }
.feature-row-reverse .feature-text { order: 2; }
.feature-row-reverse .feature-img { order: 1; }
.feature-tag { display: inline-block; font-size: 13px; font-weight: 700; padding: 5px 12px; border-radius: 6px; margin-bottom: 16px; }
.feature-tag--blue { background: #2563EB15; color: #2563EB; }
.feature-tag--purple { background: #7C3AED15; color: #7C3AED; }
.feature-tag--green { background: #05966915; color: #059669; }
.feature-title { font-size: clamp(22px, 3vw, 32px); font-weight: 900; margin-bottom: 16px; line-height: 1.3; }
.feature-desc { font-size: 15px; color: var(--gray-500); line-height: 1.8; margin-bottom: 20px; }
.feature-points { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.feature-points li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--gray-700); }
.point-dot { width: 20px; height: 20px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.point-dot span { width: 8px; height: 8px; border-radius: 50%; }
.point-dot--blue { background: #2563EB20; }
.point-dot--purple { background: #7C3AED20; }
.point-dot--green { background: #05966920; }
.point-dot__inner--blue { background: #2563EB; }
.point-dot__inner--purple { background: #7C3AED; }
.point-dot__inner--green { background: #059669; }
.feature-cta { display: inline-flex; align-items: center; color: #fff !important; padding: 12px 28px; border-radius: 10px; font-weight: 700; font-size: 15px; transition: .2s; background-color: #2563EB !important; }
.feature-cta--blue { background-color: #2563EB !important; box-shadow: 0 4px 15px rgba(37,99,235,0.25); }
.feature-cta--purple { background-color: #7C3AED !important; box-shadow: 0 4px 15px rgba(124,58,237,0.25); }
.feature-cta--green { background-color: #059669 !important; box-shadow: 0 4px 15px rgba(5,150,105,0.25); }
.feature-cta:hover { filter: brightness(1.1); transform: translateY(-2px); }

/* 浏览器Mock */
.feature-img { position: relative; }
.browser-mock { border-radius: 14px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,.15); border: 1px solid var(--gray-200); }
.browser-bar { background: var(--gray-100); padding: 10px 14px; display: flex; align-items: center; gap: 6px; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red { background: #FF5F57; }
.dot.yellow { background: #FEBC2E; }
.dot.green { background: #28C840; }
.browser-url { margin-left: 8px; font-size: 12px; color: var(--gray-500); background: #fff; padding: 3px 12px; border-radius: 4px; flex: 1; }
.browser-mock img { width: 100%; display: block; }
.img-glow { position: absolute; bottom: -20px; left: 50%; transform: translateX(-50%); width: 60%; height: 40px; border-radius: 50%; filter: blur(30px); opacity: .3; }
.img-glow--blue { background: #2563EB; }
.img-glow--purple { background: #7C3AED; }
.img-glow--green { background: #059669; }

/* 小功能网格 */
.mini-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 64px; }
.mini-card { background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: 14px; padding: 24px; transition: .2s; }
.mini-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.mini-icon { font-size: 28px; margin-bottom: 12px; }
.mini-card h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.mini-card p { font-size: 13px; color: var(--gray-500); line-height: 1.6; }

/* ════════════════════════════════════════
   AI平台覆盖
════════════════════════════════════════ */
.platform-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.platform-card {
  background: #fff; border-radius: 14px; padding: 24px;
  box-shadow: var(--shadow); border: 1px solid var(--gray-200);
  transition: .2s;
}
.platform-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.platform-card--deepseek { border-left: 4px solid #4D6BFE; }
.platform-card--doubao { border-left: 4px solid #1C64F2; }
.platform-card--wenxin { border-left: 4px solid #2563EB; }
.platform-card--qwen { border-left: 4px solid #7C3AED; }
.platform-card--kimi { border-left: 4px solid #0F172A; }
.platform-card--yuanbao { border-left: 4px solid #0052D4; }
.pc-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.pc-icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.pc-icon--deepseek { background: #4D6BFE15; }
.pc-icon--doubao { background: #1C64F215; }
.pc-icon--wenxin { background: #2563EB15; }
.pc-icon--qwen { background: #7C3AED15; }
.pc-icon--kimi { background: #0F172A15; }
.pc-icon--yuanbao { background: #0052D415; }
.pc-icon img { width: 32px; height: 32px; object-fit: contain; }
.pc-header h3 { font-size: 16px; font-weight: 700; }
.pc-header p { font-size: 12px; color: var(--gray-500); }
.pc-desc { font-size: 13px; color: var(--gray-500); margin-bottom: 16px; line-height: 1.6; }
.pc-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 14px; }
.pcm { border-radius: 8px; padding: 8px 4px; text-align: center; }
.pcm--indigo-bg { background: #EEF2FF; }
.pcm--blue-bg { background: #EFF6FF; }
.pcm--purple-bg { background: #F5F3FF; }
.pcm--slate-bg { background: #F8FAFC; }
.pcm-val { font-size: 16px; font-weight: 800; }
.pcm-val.indigo { color: var(--indigo); }
.pcm-val.blue { color: var(--blue); }
.pcm-val.purple { color: var(--purple); }
.pcm-val.slate { color: #475569; }
.pcm-label { font-size: 11px; color: var(--gray-500); margin-top: 2px; }
.pc-status { font-size: 12px; color: var(--green); font-weight: 600; }
.platform-footer { display: flex; flex-direction: column; align-items: center; gap: 20px; margin-top: 48px; }
.platform-note { font-size: 13px; color: var(--gray-400); text-align: center; }

/* ════════════════════════════════════════
   客户案例
════════════════════════════════════════ */
.case-tabs { display: flex; gap: 12px; margin-bottom: 32px; flex-wrap: wrap; }
.case-tab {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 10px;
  background: #fff; border: 1.5px solid var(--gray-200);
  font-size: 14px; font-weight: 600; cursor: pointer;
  transition: .2s;
}
.case-tab.active { background: var(--blue); color: #fff; border-color: var(--blue); }
.case-tab:hover:not(.active) { border-color: var(--blue); color: var(--blue); }
.tab-logo { width: 24px; height: 24px; border-radius: 6px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 12px; font-weight: 700; flex-shrink: 0; }
.tab-logo--haoka { background: #1565C0; }
.tab-logo--edu { background: #FF6B35; }
.tab-logo--image { background: #FF4081; }
.case-panels { position: relative; }
.case-panel { display: none; }
.case-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; background: #fff; border-radius: 20px; padding: 40px; box-shadow: var(--shadow-lg); border: 1px solid var(--gray-200); }
.case-client-header { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.case-logo { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 20px; font-weight: 700; }
.case-logo--haoka { background: #1565C0; }
.case-logo--edu { background: #FF6B35; }
.case-logo--image { background: #FF4081; }
.case-name-row { display: flex; align-items: center; gap: 8px; }
.case-name-row h3 { font-size: 20px; font-weight: 800; }
.verified-badge { background: #DCFCE7; color: #166534; font-size: 11px; font-weight: 700; padding: 3px 8px; border-radius: 4px; }
.case-industry { background: var(--blue-light); color: var(--blue); font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 4px; }
.case-desc { font-size: 14px; color: var(--gray-500); line-height: 1.8; margin-bottom: 20px; }
.case-quote { background: var(--gray-50); border-left: 3px solid var(--blue); padding: 16px 20px; border-radius: 0 8px 8px 0; margin-bottom: 20px; }
.case-quote p { font-size: 14px; color: var(--gray-700); font-style: italic; line-height: 1.7; margin-bottom: 8px; }
.case-quote cite { font-size: 12px; color: var(--gray-500); font-style: normal; }
.cp-label { font-size: 12px; color: var(--gray-500); margin-bottom: 8px; }
.cp-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.cp-tags span { background: var(--blue-light); color: var(--blue); font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 6px; }
.case-lock-tip { margin-top: 16px; font-size: 13px; color: var(--gray-500); background: var(--gray-50); padding: 12px 16px; border-radius: 8px; }
.case-lock-tip a { color: var(--blue); font-weight: 600; margin-left: 4px; }
.case-right-label { font-size: 12px; color: var(--gray-400); margin-bottom: 16px; }
.case-results { display: flex; flex-direction: column; gap: 16px; margin-bottom: 24px; }
.result-item { background: var(--gray-50); border-radius: 12px; padding: 16px; }
.result-label { font-size: 13px; font-weight: 700; color: var(--gray-700); margin-bottom: 12px; }
.result-compare { display: flex; align-items: center; gap: 12px; }
.result-before, .result-after { flex: 1; text-align: center; padding: 10px; border-radius: 8px; }
.result-before { background: #FEF2F2; }
.result-before p:first-child { font-size: 11px; color: #DC2626; margin-bottom: 4px; }
.result-before p:last-child { font-size: 20px; font-weight: 800; color: #DC2626; }
.result-after { background: #DCFCE7; }
.result-after p:first-child { font-size: 11px; color: var(--green); margin-bottom: 4px; }
.result-after p:last-child { font-size: 20px; font-weight: 800; color: var(--green); }
.result-arrow { font-size: 12px; color: var(--gray-500); text-align: center; white-space: nowrap; }
.case-cta { display: block; text-align: center; background: var(--blue); color: #fff; padding: 14px; border-radius: 10px; font-weight: 700; font-size: 15px; transition: .2s; }
.case-cta:hover { background: #1d4ed8; transform: translateY(-2px); }

/* ════════════════════════════════════════
   信任背书
════════════════════════════════════════ */
.trust-banner {
  background: linear-gradient(135deg, #EFF6FF, #F5F3FF);
  border: 1px solid #BFDBFE; border-radius: 16px;
  padding: 28px 32px; display: flex; align-items: flex-start; gap: 20px;
  margin-bottom: 48px;
}
.trust-banner-icon { font-size: 32px; flex-shrink: 0; }
.trust-banner-icon-img { width: 56px; height: 56px; object-fit: contain; }
.trust-banner-text h3 { font-size: 18px; font-weight: 800; margin-bottom: 8px; }
.trust-banner-text p { font-size: 14px; color: var(--gray-500); line-height: 1.7; }
.trust-banner-badge { flex-shrink: 0; background: #DCFCE7; color: #166534; font-size: 13px; font-weight: 700; padding: 6px 14px; border-radius: 8px; white-space: nowrap; align-self: center; }
.cred-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 40px; }
.cred-card { background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: 14px; padding: 24px; display: flex; gap: 16px; align-items: flex-start; }
.cred-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0; }
.cred-icon--blue { background: #2563EB15; }
.cred-icon--purple { background: #7C3AED15; }
.cred-icon--green { background: #05966915; }
.cred-icon--amber { background: #F59E0B15; }
.cred-icon-img { width: 44px; height: 44px; object-fit: contain; }
.cred-title-row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.cred-title-row h3 { font-size: 16px; font-weight: 700; }
.cred-badge { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 4px; }
.cred-badge--blue { background: #2563EB15; color: #2563EB; }
.cred-badge--purple { background: #7C3AED15; color: #7C3AED; }
.cred-badge--green { background: #05966915; color: #059669; }
.cred-badge--amber { background: #F59E0B15; color: #F59E0B; }
.cred-card p { font-size: 13px; color: var(--gray-500); line-height: 1.6; }
.promises-box { background: linear-gradient(135deg, #EFF6FF, #F5F3FF); border: 1px solid #BFDBFE; border-radius: 16px; padding: 32px; margin-bottom: 40px; }
.promises-title { display: flex; align-items: center; gap: 8px; font-size: 18px; font-weight: 800; margin-bottom: 20px; }
.promises-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.promise-item { font-size: 13px; color: var(--gray-700); padding: 10px 14px; background: rgba(255,255,255,.7); border-radius: 8px; }
.partners { text-align: center; }
.partners-label { font-size: 13px; color: var(--gray-400); margin-bottom: 16px; }
.partners-row { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.partner-chip { display: flex; align-items: center; gap: 8px; background: var(--gray-50); border: 1px solid var(--gray-200); padding: 8px 16px; border-radius: 20px; font-size: 14px; font-weight: 600; }
.partner-icon { width: 24px; height: 24px; border-radius: 6px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 12px; font-weight: 700; flex-shrink: 0; }
.partner-icon--img { padding: 0; background: transparent; overflow: hidden; }
.partner-icon--img img { width: 100%; height: 100%; object-fit: contain; display: block; border-radius: 6px; }
.partners-note { font-size: 12px; color: var(--gray-400); }

/* ════════════════════════════════════════
   定价
════════════════════════════════════════ */
.section-pricing {
  background: linear-gradient(180deg, #F8FAFC 0%, #EEF2FF 40%, #EFF6FF 60%, #F8FAFC 100%);
  padding: 96px 0;
  position: relative;
  overflow: hidden;
}
.pricing-decor-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.pricing-decor-orb--1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(37,99,235,0.08), transparent 70%);
  top: -120px; right: -120px;
}
.pricing-decor-orb--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(124,58,237,0.06), transparent 70%);
  bottom: 80px; left: -100px;
}
.pricing-eyebrow {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
  opacity: 0.7;
}

/* Period switch */
.period-switch {
  display: flex; justify-content: center; gap: 4px;
  background: #fff; padding: 5px; border-radius: 12px;
  width: -webkit-fit-content; width: fit-content; margin: 0 auto 56px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
  border: 1px solid var(--gray-200);
}
.period-btn {
  padding: 10px 24px; border-radius: 10px;
  font-size: 14px; font-weight: 600;
  border: none; cursor: pointer;
  background: transparent; color: var(--gray-500);
  transition: all .3s ease;
  display: inline-flex; align-items: center; gap: 6px;
}
.period-btn.active {
  background: var(--blue); color: #fff;
  box-shadow: 0 4px 14px rgba(37,99,235,0.3);
}
.period-save {
  font-size: 10px; font-weight: 700;
  padding: 1px 6px; border-radius: 4px;
  line-height: 1.4;
}
.period-btn.active .period-save {
  background: rgba(255,255,255,0.25);
  color: #fff;
}
.period-btn:not(.active) .period-save {
  background: #DCFCE7; color: #166534;
}

/* Pricing grid */
.pricing-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0; margin-bottom: 56px;
  max-width: 1080px; margin-left: auto; margin-right: auto;
}

/* Pricing card base */
.pricing-card {
  background: #fff;
  border: 1.5px solid var(--gray-200);
  overflow: hidden; position: relative;
  transition: all .35s cubic-bezier(.4,0,.2,1);
  height: 100%; display: flex; flex-direction: column;
  z-index: 1;
}
.pricing-card:first-child { border-radius: 20px 0 0 20px; border-right: none; }
.pricing-card:last-child { border-radius: 0 20px 20px 0; border-left: none; }
.pricing-card:hover { z-index: 2; box-shadow: 0 12px 40px rgba(0,0,0,0.08); }

/* Highlighted (recommended) card */
.highlight-card {
  border: 1px solid var(--blue) !important;
  z-index: 5 !important;
  transform: scale(1.02);
  border-radius: 20px !important;
  box-shadow:
    0 24px 64px rgba(37,99,235,0.18),
    0 0 0 1px rgba(37,99,235,0.08);
}
.highlight-card:hover {
  box-shadow:
    0 32px 72px rgba(37,99,235,0.22),
    0 0 0 1px rgba(37,99,235,0.12);
}
.pricing-badge {
  background: linear-gradient(135deg, #2563EB, #6366F1);
  color: #fff; font-size: 13px; font-weight: 700;
  text-align: center; padding: 10px;
  letter-spacing: 0.5px;
}

/* Card body */
.pricing-card-body {
  padding: 32px 28px; display: flex; flex-direction: column;
  flex: 1; align-items: center; text-align: center;
}
.highlight-body { padding-top: 28px; }

/* Tier label */
.pricing-tier-label {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2px;
  color: var(--gray-400); margin-bottom: 16px;
}

/* Icon */
.pricing-icon { margin-bottom: 12px; }
.pricing-icon img { display: block; width: 40px; height: 40px; object-fit: contain; }

/* Name */
.pricing-name { font-size: 22px; font-weight: 800; margin-bottom: 6px; }

/* Desc */
.pricing-desc { font-size: 13px; color: var(--gray-500); margin-bottom: 20px; }

/* Divider */
.pricing-divider {
  width: 40px; height: 3px;
  background: var(--gray-200); border-radius: 2px;
  margin-bottom: 24px;
}
.highlight-card .pricing-divider {
  background: linear-gradient(90deg, #2563EB, #7C3AED);
  width: 60px;
}

/* Price */
.pricing-price {
  display: flex; align-items: baseline; justify-content: center;
  gap: 2px; margin-bottom: 6px; width: 100%;
}
.price-currency { font-size: 22px; font-weight: 700; color: var(--gray-700); }
.price-val {
  font-size: 48px; font-weight: 900; color: var(--gray-900); line-height: 1;
  display: inline-block;
  transition: transform .35s cubic-bezier(.4,0,.2,1), opacity .35s cubic-bezier(.4,0,.2,1);
}
.highlight-card .price-val {
  background: linear-gradient(135deg, #2563EB, #6366F1);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.highlight-card .price-currency { color: var(--blue); }
.price-period {
  font-size: 14px; color: var(--gray-500);
  transition: opacity .3s ease;
}
.price-original {
  font-size: 12px; color: var(--gray-400); text-decoration: line-through; margin-bottom: 4px;
  transition: opacity .3s ease, transform .3s ease;
}
.price-gift {
  font-size: 13px; font-weight: 600; margin-bottom: 24px;
  background: linear-gradient(135deg, #FFFBEB, #FEF3C7);
  color: #92400E; padding: 4px 14px; border-radius: 6px;
  border: 1px solid #FDE68A;
  transition: opacity .3s ease, transform .3s ease;
}

/* Period switch animation states */
.price-val.price-out {
  opacity: 0;
  transform: translateY(-12px) scale(0.9);
}
.price-val.price-in {
  opacity: 0;
  transform: translateY(12px) scale(0.9);
}
.price-period.price-fade,
.price-original.price-fade,
.price-gift.price-fade {
  opacity: 0;
  transform: translateY(-6px);
}

/* Card pulse on period change */
@keyframes cardPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.015); }
  100% { transform: scale(1); }
}
@keyframes cardPulseHighlight {
  0% { transform: scale(1.02); }
  50% { transform: scale(1.04); }
  100% { transform: scale(1.02); }
}
.pricing-card.card-pulse { animation: cardPulse .4s cubic-bezier(.4,0,.2,1); }
.pricing-card.highlight-card.card-pulse { animation: cardPulseHighlight .4s cubic-bezier(.4,0,.2,1); }

/* Feature list in cards */
.pricing-features {
  width: 100%; text-align: left;
  margin-bottom: 28px;
  display: flex; flex-direction: column; gap: 10px;
}
.pricing-features li {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--gray-700);
}
.pf-check {
  width: 20px; height: 20px; border-radius: 50%;
  background: #DCFCE7; color: #166534;
  font-size: 11px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.pf-check.pro { background: #DBEAFE; color: #1D4ED8; }
.pf-check.ent { background: rgba(167,139,250,0.15); color: #A78BFA; }
.pf-x {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--gray-100); color: var(--gray-400);
  font-size: 11px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.pf-disabled { color: var(--gray-400); }

/* CTA buttons */
.pricing-cta {
  display: block; text-align: center;
  padding: 14px; border-radius: 12px;
  font-weight: 700; font-size: 15px;
  transition: all .3s ease;
}
.pricing-card-body .pricing-cta { margin-top: auto; align-self: stretch; }
.pricing-card-body .pricing-qr { width: 100%; }
.outline-cta {
  border: 1.5px solid var(--gray-200); color: var(--gray-700);
  background: var(--gray-50);
}
.outline-cta:hover {
  border-color: var(--blue); color: var(--blue);
  background: var(--blue-light);
  transform: translateY(-2px);
}
.primary-cta {
  background: linear-gradient(135deg, #2563EB, #1D4ED8);
  color: #fff;
  box-shadow: 0 4px 16px rgba(37,99,235,0.35);
}
.primary-cta:hover {
  background: linear-gradient(135deg, #1D4ED8, #1E3A8A);
  box-shadow: 0 8px 28px rgba(37,99,235,0.45);
  transform: translateY(-2px);
}

/* QR code */
.pricing-qr { text-align: center; margin-bottom: 16px; }
.pricing-qr img {
  width: 120px; height: 120px;
  margin: 0 auto 8px; border-radius: 12px;
  border: 1px solid var(--gray-200);
}
.pricing-qr p { font-size: 12px; color: var(--gray-500); }

/* 功能对比表 */
.feature-table { background: #fff; border: 1px solid var(--gray-200); border-radius: 16px; overflow: hidden; margin-bottom: 48px; }
.ft-header { padding: 20px 24px; border-bottom: 1px solid var(--gray-200); }
.ft-header h3 { font-size: 16px; font-weight: 700; }
.ft-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x;
}
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 16px; text-align: center; font-size: 14px; border-bottom: 1px solid var(--gray-100); }
th { font-weight: 700; background: var(--gray-50); }
.ft-col-label { text-align: left; min-width: 140px; }
.ft-col img { display: block; margin: 0 auto 5px; }
.ft-col br { display: none; }
.ft-col span { display: block; text-align: center; line-height: 1.2; }
td:first-child { text-align: left; color: var(--gray-700); }
.highlight-col { background: #EFF6FF; color: var(--blue); font-weight: 600; }
th.highlight-col { background: #DBEAFE; }
.group-row td { background: var(--gray-50); font-weight: 700; font-size: 13px; color: var(--gray-500); text-align: left; }
.advanced-badge { background: linear-gradient(135deg, #EFF6FF, #F5F3FF); color: var(--indigo); font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 4px; }

/* 定价FAQ */
.pricing-faq { background: var(--gray-50); border-radius: 16px; padding: 32px; }
.pricing-faq h3 { font-size: 18px; font-weight: 800; margin-bottom: 20px; }
.pfaq-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.pfaq-item { background: #fff; border-radius: 10px; padding: 16px; }
.pfaq-q { font-size: 14px; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
.pfaq-a { font-size: 13px; color: var(--gray-500); line-height: 1.6; }

/* ════════════════════════════════════════
   FAQ
════════════════════════════════════════ */
.faq-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 48px; }
.faq-item { background: #fff; border: 1px solid var(--gray-200); border-radius: 12px; overflow: hidden; }
.faq-q {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 18px 20px; background: none; border: none; cursor: pointer;
  font-size: 15px; font-weight: 700; text-align: left; gap: 16px;
  transition: background .2s;
}
.faq-q:hover { background: var(--gray-50); }
.faq-arrow { transition: transform .3s; flex-shrink: 0; font-size: 12px; color: var(--gray-400); }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-a { display: none; padding: 0 20px 18px; }
.faq-item.open .faq-a { display: block; }
.faq-a p { font-size: 14px; color: var(--gray-500); line-height: 1.8; }
.faq-cta { text-align: center; background: linear-gradient(135deg, #EFF6FF, #F5F3FF); border-radius: 16px; padding: 40px; }
.faq-cta h3 { font-size: 22px; font-weight: 800; margin-bottom: 8px; }
.faq-cta p { color: var(--gray-500); margin-bottom: 24px; }

/* ════════════════════════════════════════
   底部CTA
════════════════════════════════════════ */
.cta-section { position: relative; padding: 96px 0; overflow: hidden; background: var(--blue-dark); }
.cta-bg { position: absolute; top: 0; right: 0; bottom: 0; left: 0; background-size: cover; background-position: center; opacity: .2; }
.cta-bg--main { background-image: url(/images/external/hero-bg-36EfFWF8y53HUZKP9YGnaM.webp); }
.cta-content { position: relative; z-index: 2; max-width: 700px; margin: 0 auto; padding: 0 24px; text-align: center; }
.cta-content h2 { font-size: clamp(28px, 4vw, 44px); font-weight: 900; color: #fff; margin-bottom: 16px; }
.cta-content p { font-size: 17px; color: rgba(255,255,255,.7); margin-bottom: 32px; }
.cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ════════════════════════════════════════
   Footer
════════════════════════════════════════ */
.site-footer { background: var(--blue-dark); color: #fff; }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 64px 24px calc(32px + env(safe-area-inset-bottom, 0px)); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo img { height: 28px; width: auto; object-fit: contain; }
.footer-logo-sub { font-size: 12px; font-weight: 700; color: rgba(255,255,255,.6); }
.footer-brand p { font-size: 13px; color: rgba(255,255,255,.5); line-height: 1.7; margin-bottom: 16px; max-width: 280px; }
.footer-contact { display: flex; flex-direction: column; gap: 6px; }
.footer-contact p { font-size: 13px; color: rgba(255,255,255,.5); }
.footer-contact a { color: rgba(255,255,255,.5); transition: color .2s; }
.footer-contact a:hover { color: #fff; }
.footer-col h4 { font-size: 14px; font-weight: 700; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col a { font-size: 13px; color: rgba(255,255,255,.5); transition: color .2s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,.4); }
.footer-icp { display: flex; align-items: center; gap: 12px; font-size: 13px; color: rgba(255,255,255,.4); }
.footer-icp a { color: rgba(255,255,255,.4); transition: color .2s; }
.footer-icp a:hover { color: #fff; }

/* ════════════════════════════════════════
   弹窗
════════════════════════════════════════ */
.modal-overlay {
  position: fixed; top: 0; right: 0; bottom: 0; left: 0; background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center; z-index: 9999;
  opacity: 0; pointer-events: none; transition: opacity .3s;
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal-box { background: #fff; border-radius: 20px; padding: 40px; max-width: 400px; width: 90%; text-align: center; }
.modal-icon { font-size: 40px; margin-bottom: 16px; }
.modal-box h3 { font-size: 22px; font-weight: 800; margin-bottom: 8px; }
.modal-box p { font-size: 14px; color: var(--gray-500); margin-bottom: 24px; }
.modal-btns { display: flex; gap: 12px; }
.modal-btn-cancel { flex: 1; padding: 12px; border-radius: 10px; border: 1.5px solid var(--gray-200); font-weight: 700; cursor: pointer; background: none; }
.modal-btn-primary { flex: 1; padding: 12px; border-radius: 10px; background: var(--blue); color: #fff; font-weight: 700; text-align: center; }
.modal-box--video {
  position: relative;
  max-width: 960px;
  width: min(92vw, 960px);
  padding: 20px 20px 16px;
  text-align: left;
}
.modal-box--video h3 {
  margin: 0 40px 12px 4px;
  font-size: 20px;
  line-height: 1.3;
}
.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 8px;
  background: rgba(17, 24, 39, 0.06);
  color: #111827;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}
.modal-close:hover {
  background: rgba(17, 24, 39, 0.12);
}
.demo-video {
  display: block;
  width: 100%;
  max-height: 72vh;
  border-radius: 12px;
  background: #000;
}

/* ════════════════════════════════════════
   企业微信浮动按钮
════════════════════════════════════════ */
.wechat-float { position: fixed; right: calc(24px + env(safe-area-inset-right, 0px)); bottom: calc(80px + env(safe-area-inset-bottom, 0px)); z-index: 1000; }
.wechat-btn {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--blue); color: #fff;
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,99,235,.4);
  transition: .2s;
}
.wechat-btn:hover { background: #1d4ed8; transform: scale(1.1); }
.wechat-popup {
  position: absolute; bottom: 64px; right: 0;
  background: #fff; border-radius: 16px;
  box-shadow: 0 8px 40px rgba(0,0,0,.15);
  padding: 20px; width: 200px; text-align: center;
  opacity: 0; pointer-events: none;
  transform: translateY(10px) scale(.95);
  transition: .3s; transform-origin: bottom right;
}
.wechat-popup.show { opacity: 1; pointer-events: all; transform: none; }
.wechat-popup-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.wechat-popup-header span { font-size: 14px; font-weight: 700; }
.popup-close { background: none; border: none; cursor: pointer; color: var(--gray-400); font-size: 16px; }
.wechat-qr { width: 140px; height: 140px; margin: 0 auto 10px; border-radius: 8px; }
.wechat-name { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.wechat-tip { font-size: 12px; color: var(--gray-500); }

/* ════════════════════════════════════════
   响应式
════════════════════════════════════════ */
@media (max-width: 1024px) {
  .mini-grid { grid-template-columns: repeat(2, 1fr); }
  .platform-grid { grid-template-columns: repeat(2, 1fr); }
  .promises-grid { grid-template-columns: repeat(2, 1fr); }
  .pfaq-list { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu.open { display: flex; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-right { display: none; }
  .hero-stats { gap: 24px; }
  .feature-row { grid-template-columns: 1fr; gap: 32px; }
  .feature-row-reverse .feature-text { order: 0; }
  .feature-row-reverse .feature-img { order: 0; }
  .platform-grid { grid-template-columns: 1fr; }
  .case-panel.active { grid-template-columns: 1fr; }
  .cred-grid { grid-template-columns: 1fr; }
  .promises-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; gap: 14px; margin-bottom: 36px; }
  .pricing-card:first-child,
  .pricing-card:last-child { border-radius: 20px; }
  .pricing-card:first-child { border-right: 1.5px solid var(--gray-200); }
  .pricing-card:last-child { border-left: 1.5px solid var(--gray-200); }
  .highlight-card { margin: 0; border-radius: 20px !important; transform: none; }
  .highlight-card:hover { transform: translateY(-4px); }
  .pricing-card-body { padding: 24px 20px; }
  .highlight-body { padding-top: 22px; }
  .pricing-name { font-size: 20px; }
  .pricing-desc { margin-bottom: 16px; }
  .price-val { font-size: 42px; }
  .pricing-features { gap: 8px; margin-bottom: 22px; }
  .pricing-cta { padding: 12px; font-size: 14px; }
  .period-switch {
    width: 100%;
    margin: 0 0 28px;
    padding: 4px;
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .period-switch::-webkit-scrollbar { display: none; }
  .period-btn {
    flex: 0 0 auto;
    white-space: nowrap;
    min-height: 40px;
    padding: 9px 16px;
  }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; margin-bottom: 28px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-logo { margin-bottom: 12px; }
  .footer-logo img { height: 24px; }
  .footer-logo-sub { font-size: 11px; }
  .footer-brand p {
    max-width: 100%;
    margin-bottom: 12px;
    line-height: 1.65;
  }
  .footer-contact { gap: 4px; }
  .footer-col {
    padding-top: 12px;
    border-top: 1px solid rgba(255,255,255,.08);
  }
  .footer-col h4 { margin-bottom: 10px; }
  .footer-col ul { gap: 6px; }
  .footer-col a {
    display: inline-block;
    padding: 4px 0;
    line-height: 1.5;
  }
  .footer-inner { padding: 48px 20px 24px; }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .footer-bottom p { font-size: 12px; }
  .footer-icp {
    flex-wrap: wrap;
    gap: 8px;
    font-size: 12px;
  }
  .mini-grid { grid-template-columns: 1fr; }
  .trust-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    gap: 14px;
  }
  .trust-banner-icon-img {
    width: 44px;
    height: 44px;
  }
  .trust-banner-text h3 { font-size: 16px; }
  .trust-banner-text p { font-size: 13px; line-height: 1.7; }
  .trust-banner-badge {
    align-self: flex-start;
    white-space: normal;
    font-size: 12px;
    padding: 6px 10px;
  }
  .modal-box {
    width: calc(100% - 32px);
    max-width: 420px;
    padding: 28px 20px;
    border-radius: 16px;
  }
  .modal-box h3 { font-size: 20px; }
  .modal-box p { font-size: 13px; margin-bottom: 20px; }
  .modal-btns { flex-direction: column; gap: 10px; }
  .modal-btn-cancel, .modal-btn-primary { width: 100%; padding: 11px; }
  .wechat-float { right: calc(16px + env(safe-area-inset-right, 0px)); bottom: calc(16px + env(safe-area-inset-bottom, 0px)); }
  .wechat-popup {
    right: 0;
    bottom: 60px;
    width: min(220px, calc(100vw - 32px));
    padding: 16px;
  }
  .wechat-qr { width: 120px; height: 120px; }
  .ft-scroll { padding-bottom: 6px; }
  .ft-scroll table { min-width: 680px; }
  .ft-col-label { min-width: 130px; }
  th, td { padding: 10px 12px; font-size: 13px; white-space: nowrap; }
  .footer-inner { padding: 48px 20px calc(24px + env(safe-area-inset-bottom, 0px)); }
  .hero { padding-top: calc(88px + env(safe-area-inset-top, 0px)); }
}
@media (max-width: 480px) {
  .section-white, .section-light, .section-pale, .section-pricing { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 22px; }
  .footer-inner { padding: 40px 16px calc(20px + env(safe-area-inset-bottom, 0px)); }
  .footer-col h4 { margin-bottom: 12px; }
  .footer-col { padding-top: 10px; }
  .footer-brand p { font-size: 12px; }
  .footer-contact p { font-size: 12px; }
  .footer-bottom p { font-size: 11px; }
  .footer-icp { font-size: 11px; }
  .case-tabs { flex-direction: column; }
  .period-switch { margin-bottom: 22px; border-radius: 10px; }
  .period-btn { padding: 8px 14px; font-size: 13px; min-height: 36px; }
  .pricing-card-body { padding: 20px 16px; }
  .pricing-badge { font-size: 12px; padding: 8px; }
  .pricing-name { font-size: 18px; }
  .pricing-desc { font-size: 12px; }
  .price-currency { font-size: 18px; }
  .price-val { font-size: 40px; }
  .price-period { font-size: 13px; }
  .price-gift { font-size: 12px; padding: 4px 10px; }
  .pricing-features li { font-size: 12px; }
  .pricing-qr img { width: 104px; height: 104px; }
  .pricing-qr p { font-size: 11px; }
  .modal-box {
    width: calc(100% - 24px);
    padding: 22px 16px;
    border-radius: 14px;
  }
  .modal-icon { font-size: 32px; margin-bottom: 12px; }
  .modal-box h3 { font-size: 18px; }
  .modal-box p { font-size: 12px; margin-bottom: 16px; }
  .modal-btn-cancel, .modal-btn-primary { font-size: 14px; padding: 10px; }
  .wechat-float { right: calc(12px + env(safe-area-inset-right, 0px)); bottom: calc(12px + env(safe-area-inset-bottom, 0px)); }
  .wechat-btn { width: 46px; height: 46px; }
  .wechat-popup {
    right: 0;
    bottom: 54px;
    width: min(200px, calc(100vw - 24px));
    padding: 14px;
    border-radius: 12px;
  }
  .wechat-popup-header span { font-size: 13px; }
  .wechat-qr { width: 108px; height: 108px; margin-bottom: 8px; }
  .wechat-name { font-size: 13px; }
  .wechat-tip { font-size: 11px; }
  .trust-banner { padding: 16px; border-radius: 12px; }
  .trust-banner-text h3 { font-size: 15px; }
  .trust-banner-text p { font-size: 12px; }
  .trust-banner-badge { font-size: 11px; }
  .ft-scroll table { min-width: 620px; }
  .ft-header { padding: 16px 14px; }
}

/* ════════════════════════════════════════
   华为 Mate 60 Pro / 鸿蒙系统专项适配
   视口宽度 ~420px, 挖孔屏, 高 DPI (3x)
════════════════════════════════════════ */
@media (max-width: 440px) and (min-width: 400px) {
  .hero { padding-top: calc(90px + env(safe-area-inset-top, 0px)); padding-bottom: 48px; }
  .hero-title { font-size: 32px; }
  .hero-desc { font-size: 15px; line-height: 1.65; }
  .hero-btns { gap: 12px; }
  .hero-btns .btn-primary-lg,
  .hero-btns .btn-outline-lg { padding: 12px 24px; font-size: 15px; width: 100%; justify-content: center; }
  .hero-trust { gap: 8px; }
  .trust-item { font-size: 12px; }

  .section-title { font-size: 26px; }
  .section-desc { font-size: 15px; }
  .section-header { margin-bottom: 40px; }

  .feature-title { font-size: 22px; }
  .feature-desc { font-size: 14px; }
  .feature-points li { font-size: 13px; }

  .case-panel.active { padding: 24px 18px; gap: 28px; }
  .case-name-row h3 { font-size: 18px; }
  .result-before p:last-child,
  .result-after p:last-child { font-size: 18px; }
  .result-compare { gap: 8px; }

  .platform-card { padding: 20px; }
  .pc-header h3 { font-size: 15px; }
  .pcm-val { font-size: 15px; }

  .cred-card { padding: 18px; gap: 12px; }
  .cred-title-row h3 { font-size: 15px; }

  .promises-box { padding: 24px; }
  .promise-item { font-size: 12px; padding: 8px 12px; }

  .cta-content h2 { font-size: 26px; }
  .cta-content p { font-size: 15px; }
  .cta-btns { flex-direction: column; align-items: center; }
  .cta-btns .btn-primary-lg,
  .cta-btns .btn-outline-lg { width: 100%; justify-content: center; }

  .faq-q { padding: 16px; font-size: 14px; gap: 12px; }
  .faq-a { padding: 0 16px 16px; }
  .faq-a p { font-size: 13px; }
  .faq-cta { padding: 28px 20px; }
  .faq-cta h3 { font-size: 20px; }

  .wechat-float { right: calc(16px + env(safe-area-inset-right, 0px)); bottom: calc(20px + env(safe-area-inset-bottom, 0px)); }
  .modal-box--video { width: calc(100vw - 24px); padding: 16px 14px 12px; }
  .modal-box--video h3 { font-size: 17px; margin-right: 36px; }
  .demo-video { border-radius: 8px; max-height: 65vh; }
}

/* 鸿蒙浏览器 backdrop-filter 降级 */
@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .navbar.scrolled { background: rgba(15,23,42,.97); }
  .data-card { background: rgba(15,23,42,.85); }
  .float-card { background: rgba(15,23,42,.8); }
  .hero-badge { background: rgba(15,23,42,.7); }
  .mobile-menu { background: rgba(15,23,42,.98); }
}

/* 高 DPI 屏幕粒子画布优化 */
@media (-webkit-min-device-pixel-ratio: 3), (min-resolution: 3dppx) {
  .particle-canvas { will-change: auto; }
  .float-anim, .float-anim-delay { will-change: transform; }
}