/* ===========================================
   智能项目管理平台 - 产品宣传网站样式  V2.0
   设计升级：现代精致风格 / 深层阴影 / 流畅动效
   主色：#059669 (翠绿) / #0F172A (深海军蓝) / #F8FAFC (冷白)
   工业辅助色：#1E40AF (钢蓝) / #78716C (金属灰)
   =========================================== */

/* === Industrial Pattern Overlay === */
.industry-pattern {
  position: relative;
  overflow: hidden;
}
.industry-pattern::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(30,64,175,0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(120,113,108,0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* === Gear Animation === */
@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(5,150,105,0.2); }
  50% { box-shadow: 0 0 40px rgba(5,150,105,0.4); }
}

/* === Applicable Industries Section === */
.industries {
  background: #FFFFFF;
  position: relative;
}
.industries::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(30,64,175,0.04) 0%, transparent 70%);
  pointer-events: none;
}
.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}
.industry-card {
  padding: 36px 28px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.industry-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, #1E40AF, #059669);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.industry-card:hover::before {
  transform: scaleX(1);
}
.industry-card:hover {
  border-color: #1E40AF;
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(30,64,175,0.1);
  background: #FFFFFF;
}
.industry-icon {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 20px;
  border-radius: 18px;
  transition: all 0.4s;
  position: relative;
}
.industry-card:hover .industry-icon {
  background: linear-gradient(135deg, #1E40AF, #059669);
  transform: scale(1.05);
  filter: brightness(0) invert(1);
}
.industry-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 10px;
}
.industry-desc {
  font-size: 0.875rem;
  color: #64748B;
  line-height: 1.7;
}

/* === Hero Industrial Enhancement === */
.hero-visual {
  position: relative;
}
.hero-visual::before {
  content: '';
  position: absolute;
  top: -20px; right: -20px;
  width: 80px; height: 80px;
  border: 2px solid rgba(5,150,105,0.15);
  border-radius: 50%;
  animation: pulse-ring 3s ease-in-out infinite;
}
@keyframes pulse-ring {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.2); opacity: 0; }
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
  color: #334155;
  background: #FFFFFF;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === Typography === */
h1, h2, h3, h4 {
  font-weight: 700;
  color: #0F172A;
  line-height: 1.25;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.125rem, 2vw, 1.5rem); }
p { color: #64748B; line-height: 1.8; }

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: inherit;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity 0.35s;
}
.btn:hover::after { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, #059669, #047857);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(5,150,105,0.35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #047857, #065F46);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(5,150,105,0.45);
}

.btn-secondary {
  background: rgba(255,255,255,0.08);
  color: #FFFFFF;
  border: 1.5px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(4px);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.6);
}

.btn-dark {
  background: #1E293B;
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(30,41,59,0.3);
}
.btn-dark:hover {
  background: #0F172A;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: #059669;
  border: 2px solid #059669;
}
.btn-outline:hover {
  background: #059669;
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(5,150,105,0.3);
}

/* === Header === */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-bottom: 1px solid transparent;
}
.header.scrolled {
  background: rgba(15, 23, 42, 0.98);
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
  border-bottom-color: rgba(255,255,255,0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header-logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, #059669, #10B981);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: white;
  font-weight: 700;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(5,150,105,0.35);
}
.header-logo-text {
  font-size: 1.0625rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.02em;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.header-nav a {
  font-size: 0.875rem;
  color: #94A3B8;
  font-weight: 500;
  transition: all 0.25s;
  position: relative;
  padding: 4px 0;
}
.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: #059669;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.header-nav a:hover { color: #FFFFFF; }
.header-nav a:hover::after { width: 100%; }
.header-cta {
  padding: 8px 22px;
  background: linear-gradient(135deg, #059669, #047857);
  color: #FFFFFF !important;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(5,150,105,0.3);
  transition: all 0.3s;
}
.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(5,150,105,0.45);
}

/* Mobile menu */
.header-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.header-mobile-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: #FFFFFF;
  transition: all 0.3s;
  border-radius: 2px;
}

/* === Hero === */
.hero {
  background: radial-gradient(ellipse at 30% 20%, #1E293B 0%, #0F172A 60%);
  padding: 180px 0 120px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(5,150,105,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 120px;
  background: linear-gradient(to top, #FFFFFF, transparent);
  pointer-events: none;
}
.hero-inner {
  display: flex;
  align-items: center;
  gap: 80px;
  position: relative;
  z-index: 1;
}
.hero-content { flex: 1; max-width: 620px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(5,150,105,0.12);
  border: 1px solid rgba(5,150,105,0.25);
  border-radius: 100px;
  margin-bottom: 28px;
}
.hero-badge-dot {
  width: 8px; height: 8px;
  background: #10B981;
  border-radius: 50%;
  animation: pulse 2.5s ease-in-out infinite;
  box-shadow: 0 0 8px rgba(16,185,129,0.5);
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}
.hero-badge-text {
  font-size: 0.8125rem;
  color: #6EE7B7;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.hero-headline {
  font-size: clamp(2.2rem, 5.5vw, 3.75rem);
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}
.hero-subline {
  font-size: 1.125rem;
  color: #94A3B8;
  line-height: 1.9;
  margin-bottom: 40px;
  max-width: 540px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual {
  flex: 1;
  max-width: 620px;
  aspect-ratio: 16/10;
  background: linear-gradient(145deg, #1E293B, #0F172A);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.4);
}
.hero-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(5,150,105,0.05) 0%, transparent 50%);
  pointer-events: none;
}

/* === Section Common === */
.section { padding: 120px 0; }
.section--alt { background: #F8FAFC; }
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 80px;
}
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: #059669;
  letter-spacing: 5px;
  text-transform: uppercase;
  margin-bottom: 20px;
  padding: 6px 16px;
  background: rgba(5,150,105,0.08);
  border-radius: 100px;
}
.section-title {
  font-size: clamp(1.625rem, 3.5vw, 2.375rem);
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}
.section-sub {
  font-size: 1.0625rem;
  color: #64748B;
  line-height: 1.9;
}

/* === Pain Points === */
.pain-points { background: #F8FAFC; }
.pain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.pain-card {
  background: #FFFFFF;
  padding: 36px;
  border-radius: 16px;
  border-left: 4px solid #EF4444;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  position: relative;
  overflow: hidden;
}
.pain-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 0;
  background: linear-gradient(to bottom, #EF4444, #F97316);
  transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.pain-card:hover::before { height: 100%; }
.pain-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.08);
}
.pain-card-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, #FEF2F2, #FEE2E2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  border-radius: 14px;
}
.pain-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 10px;
  line-height: 1.4;
}
.pain-card-desc {
  font-size: 0.9375rem;
  color: #64748B;
  line-height: 1.85;
  margin-bottom: 18px;
}
.pain-card-result {
  font-size: 0.875rem;
  color: #059669;
  font-weight: 600;
  padding-top: 18px;
  border-top: 1px solid #F1F5F9;
}

/* === Deep Pain Analysis === */
.pain-analysis { background: #FFFFFF; }
.analysis-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}
.analysis-card {
  padding: 40px 32px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.analysis-card:hover {
  border-color: #059669;
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.06);
}
.analysis-num {
  font-size: 3.5rem;
  font-weight: 800;
  color: #E2E8F0;
  line-height: 1;
  margin-bottom: 20px;
  transition: color 0.4s;
}
.analysis-card:hover .analysis-num { color: rgba(5,150,105,0.15); }
.analysis-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 14px;
}
.analysis-desc {
  font-size: 0.9375rem;
  color: #64748B;
  line-height: 1.85;
}

/* === Core Features === */
.features { background: #FFFFFF; }

/* === Advantages (核心优势) === */
.advantages { background: #FFFFFF; }
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.advantage-card {
  padding: 40px 28px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.advantage-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, #059669, #1E40AF);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.advantage-card:hover::before { transform: scaleX(1); }
.advantage-card:hover {
  border-color: #059669;
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(5,150,105,0.1);
  background: #FFFFFF;
}
.advantage-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
  line-height: 1;
}
.advantage-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 12px;
}
.advantage-desc {
  font-size: 0.9375rem;
  color: #64748B;
  line-height: 1.8;
}
@media (max-width: 1024px) {
  .advantage-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .advantage-grid { grid-template-columns: 1fr; }
}
.feature-row {
  display: flex;
  align-items: center;
  gap: 100px;
  margin-bottom: 120px;
}
.feature-row:nth-child(even) { flex-direction: row-reverse; }
.feature-row:last-child { margin-bottom: 0; }
.feature-content { flex: 1; max-width: 540px; }
.feature-num {
  font-size: 3.5rem;
  font-weight: 800;
  color: #E2E8F0;
  line-height: 1;
  margin-bottom: 20px;
  transition: color 0.4s;
}
.feature-row:hover .feature-num { color: rgba(5,150,105,0.12); }
.feature-title {
  font-size: 1.875rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}
.feature-desc {
  font-size: 1.0625rem;
  color: #64748B;
  line-height: 1.9;
  margin-bottom: 28px;
}
.feature-list { margin-bottom: 0; }
.feature-list li {
  padding: 10px 0;
  font-size: 0.9375rem;
  color: #334155;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border-bottom: 1px solid #F8FAFC;
}
.feature-list li:last-child { border-bottom: none; }
.feature-list li::before {
  content: '';
  flex-shrink: 0;
  width: 20px; height: 20px;
  background: #ECFDF5;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M6 10l3 3 5-5' stroke='%23059669' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 12px;
  background-repeat: no-repeat;
  background-position: center;
}

.feature-screen {
  flex: 1;
  max-width: 600px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.06);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.feature-row:hover .feature-screen {
  box-shadow: 0 20px 60px rgba(0,0,0,0.1);
  transform: translateY(-4px);
}
.feature-screen img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

/* === Workflow === */
.workflow { background: #F8FAFC; }
.workflow-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
}
.workflow-step {
  text-align: center;
  padding: 40px 20px;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.workflow-step::after {
  content: '→';
  position: absolute;
  right: -16px; top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  color: #CBD5E1;
  z-index: 2;
}
.workflow-step:last-child::after { display: none; }
.workflow-step:hover {
  border-color: #059669;
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.06);
}
.workflow-step-num {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, #059669, #10B981);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
  margin: 0 auto 20px;
  border-radius: 14px;
  box-shadow: 0 4px 12px rgba(5,150,105,0.3);
}
.workflow-step-title {
  font-size: 1rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 10px;
}
.workflow-step-desc {
  font-size: 0.8125rem;
  color: #64748B;
  line-height: 1.6;
}

/* === Secondary Features === */
.secondary-features { background: #F8FAFC; }
.secondary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.secondary-card {
  padding: 40px 32px;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.secondary-card:hover {
  border-color: #059669;
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.07);
}
.secondary-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, #ECFDF5, #D1FAE5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  border-radius: 14px;
}
.secondary-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 10px;
}
.secondary-desc {
  font-size: 0.9375rem;
  color: #64748B;
  line-height: 1.85;
}

/* === Stats === */
.stats {
  background: linear-gradient(135deg, #0F172A, #1E293B);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.stats::before {
  content: '';
  position: absolute;
  top: -40%; left: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(5,150,105,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  z-index: 1;
}
.stat-item {
  padding: 48px 32px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.08);
  position: relative;
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}
.stat-number::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 50%;
  transform: translateX(-50%);
  width: 40px; height: 3px;
  background: #059669;
  border-radius: 2px;
}
.stat-label {
  font-size: 1.0625rem;
  color: #94A3B8;
  font-weight: 500;
}

/* === Service === */
.service { background: #FFFFFF; }
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}
.service-card {
  padding: 52px 40px;
  background: #F8FAFC;
  border: 2px solid #E2E8F0;
  border-radius: 20px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  min-width: 0;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, #059669, #10B981);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  border-color: #059669;
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.08);
}
.service-icon {
  width: 80px; height: 80px;
  background: linear-gradient(135deg, #ECFDF5, #D1FAE5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.25rem;
  margin: 0 auto 28px;
  border-radius: 20px;
  box-shadow: 0 4px 16px rgba(5,150,105,0.15);
}
.service-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 14px;
}
.service-desc {
  font-size: 0.9375rem;
  color: #64748B;
  line-height: 1.85;
  margin-bottom: 24px;
}
.service-items { text-align: left; }
.service-items li {
  font-size: 0.9375rem;
  color: #334155;
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid rgba(226,232,240,0.5);
}
.service-items li:last-child { border-bottom: none; }
.service-items li::before {
  content: '';
  flex-shrink: 0;
  width: 18px; height: 18px;
  background: #ECFDF5;
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9l3 3 5-5' stroke='%23059669' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 11px;
  background-repeat: no-repeat;
  background-position: center;
}

/* === Implementation Flow === */
.impl-flow {
  max-width: 900px;
  margin: 80px auto 0;
  background: #F8FAFC;
  padding: 56px 48px;
  border: 1px solid #E2E8F0;
  border-radius: 20px;
}
.impl-flow-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 36px;
  text-align: center;
}
.impl-steps {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.impl-step {
  padding: 14px 24px;
  background: linear-gradient(135deg, #059669, #047857);
  color: white;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(5,150,105,0.3);
  white-space: nowrap;
}
.impl-arrow {
  color: #94A3B8;
  font-size: 1.5rem;
  flex-shrink: 0;
}

/* === Pricing === */
.pricing { background: #FFFFFF; }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  max-width: 1000px;
  margin: 0 auto;
}
.pricing-card {
  padding: 52px 40px;
  background: #F8FAFC;
  border: 2px solid #E2E8F0;
  border-radius: 20px;
  text-align: center;
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.1);
}
.pricing-card.featured {
  background: linear-gradient(160deg, #0F172A, #1E293B);
  border-color: #059669;
  transform: scale(1.04);
}
.pricing-card.featured:hover { transform: scale(1.04) translateY(-10px); }
.pricing-badge {
  position: absolute;
  top: -15px; left: 50%;
  transform: translateX(-50%);
  padding: 7px 22px;
  background: linear-gradient(135deg, #059669, #10B981);
  color: #FFFFFF;
  font-size: 0.8125rem;
  font-weight: 700;
  border-radius: 100px;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(5,150,105,0.4);
}
.pricing-name {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.pricing-card:not(.featured) .pricing-name { color: #0F172A; }
.pricing-card.featured .pricing-name { color: #FFFFFF; }
.pricing-price {
  font-size: clamp(2.5rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1;
  margin-bottom: 6px;
}
.pricing-card:not(.featured) .pricing-price { color: #0F172A; }
.pricing-card.featured .pricing-price { color: #FFFFFF; }
.pricing-unit {
  font-size: 0.9375rem;
  margin-bottom: 36px;
}
.pricing-card:not(.featured) .pricing-unit { color: #64748B; }
.pricing-card.featured .pricing-unit { color: #94A3B8; }
.pricing-features { text-align: left; margin-bottom: 40px; }
.pricing-features li {
  font-size: 0.9375rem;
  padding: 11px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid rgba(226,232,240,0.4);
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-card:not(.featured) .pricing-features li { color: #334155; }
.pricing-card.featured .pricing-features li { color: #CBD5E1; }
.pricing-features li::before {
  content: '';
  flex-shrink: 0;
  width: 18px; height: 18px;
  border-radius: 50%;
  background-size: 11px;
  background-repeat: no-repeat;
  background-position: center;
}
.pricing-card:not(.featured) .pricing-features li::before {
  background-color: #ECFDF5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9l3 3 5-5' stroke='%23059669' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.pricing-card.featured .pricing-features li::before {
  background-color: rgba(5,150,105,0.2);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9l3 3 5-5' stroke='%236EE7B7' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.pricing-btn { width: 100%; border-radius: 12px; }

/* === FAQ === */
.faq { background: #F8FAFC; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 14px;
  margin-bottom: 14px;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}
.faq-item:hover { border-color: #059669; }
.faq-item.active {
  border-color: #059669;
  box-shadow: 0 8px 30px rgba(5,150,105,0.08);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 32px;
  font-size: 1.0625rem;
  font-weight: 600;
  color: #0F172A;
  cursor: pointer;
}
.faq-question:focus-visible {
  outline: 2px solid #059669;
  outline-offset: -2px;
  border-radius: 14px;
}
.faq-toggle {
  width: 28px; height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #059669;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
  background: #F0FDF4;
  border-radius: 8px;
}
.faq-item.active .faq-toggle { transform: rotate(135deg); background: #059669; color: #FFFFFF; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 32px;
}
.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 32px 28px;
}
.faq-answer p {
  font-size: 0.9375rem;
  color: #64748B;
  line-height: 1.9;
}

/* === CTA === */
.cta {
  background: linear-gradient(135deg, #059669, #047857);
  padding: 120px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  top: -30%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.cta-title {
  font-size: clamp(1.625rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
  letter-spacing: -0.02em;
}
.cta-sub {
  font-size: 1.125rem;
  color: #D1FAE5;
  margin-bottom: 48px;
  position: relative;
  z-index: 1;
}
.cta .btn {
  background: #FFFFFF;
  color: #059669;
  font-size: 1.125rem;
  padding: 20px 52px;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  position: relative;
  z-index: 1;
}
.cta .btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.3);
  background: #F0FDF4;
}
.cta-trust {
  margin-top: 24px;
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.6);
  position: relative;
  z-index: 1;
}

/* CTA 紧迫感元素 */
.cta-urgency-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 100px;
  margin-bottom: 28px;
  font-size: 0.875rem;
  color: #FFFFFF;
  font-weight: 600;
  position: relative;
  z-index: 1;
}
.cta-urgency-dot {
  width: 8px; height: 8px;
  background: #FCD34D;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 0 8px rgba(252,211,77,0.6);
}
/* === Footer === */
.footer {
  background: #0F172A;
  padding: 80px 0 0;
}
.footer-inner {
  display: flex;
  gap: 100px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand { max-width: 320px; }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.footer-logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, #059669, #10B981);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.8125rem;
  border-radius: 8px;
}
.footer-logo-text {
  font-size: 1.0625rem;
  font-weight: 700;
  color: #FFFFFF;
}
.footer-desc {
  font-size: 0.9375rem;
  color: #94A3B8;
  line-height: 1.85;
}
.footer-links { display: flex; gap: 64px; }
.footer-col { min-width: 80px; }
.footer-col:last-child { min-width: 220px; }
.footer-col-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 24px;
}
.footer-col a {
  display: block;
  font-size: 0.9375rem;
  color: #94A3B8;
  padding: 7px 0;
  transition: all 0.25s;
}
.footer-col a:hover { color: #6EE7B7; padding-left: 4px; }
.footer-bottom {
  padding: 28px 0;
  text-align: center;
  font-size: 0.8125rem;
  color: #475569;
  line-height: 1.8;
}

.footer-copyright {
  margin-bottom: 8px;
  color: #475569;
}

.footer-icp {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  flex-wrap: wrap;
}

.footer-icp-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #64748b;
  text-decoration: none;
  font-size: 0.8125rem;
  transition: color 0.2s ease;
}

.footer-icp-link:hover {
  color: #1d4ed8;
}

.footer-icp-icon {
  flex-shrink: 0;
  color: #1d4ed8;
}

/* === Back to Top === */
.back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 48px; height: 48px;
  background: linear-gradient(135deg, #059669, #047857);
  color: white;
  border: none;
  border-radius: 14px;
  font-size: 1.25rem;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 16px rgba(5,150,105,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(5,150,105,0.5);
}
.back-to-top:focus-visible {
  outline: 2px solid #059669;
  outline-offset: 2px;
}

/* === Animations === */
.fade-in {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === Modal === */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 10000;
  justify-content: center;
  align-items: center;
  padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal-content {
  background: #FFFFFF;
  border-radius: 20px;
  padding: 52px 48px;
  max-width: 500px;
  width: 100%;
  position: relative;
  box-shadow: 0 24px 80px rgba(0,0,0,0.25);
  animation: modalSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes modalSlideIn {
  from { opacity: 0; transform: translateY(-32px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-close {
  position: absolute;
  top: 20px; right: 20px;
  width: 36px; height: 36px;
  border: none;
  background: #F1F5F9;
  border-radius: 10px;
  font-size: 1.25rem;
  color: #64748B;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s;
}
.modal-close:hover { background: #E2E8F0; color: #0F172A; }
.modal-close:focus-visible {
  outline: 2px solid #059669;
  outline-offset: 2px;
}
.modal-title {
  font-size: 1.625rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 8px;
}
.modal-desc {
  font-size: 0.9375rem;
  color: #64748B;
  margin-bottom: 36px;
}
/* 蜜罐字段：对人类完全隐藏，机器人会填写从而被识别 */
.honeypot-field {
  position: absolute !important;
  left: -9999px !important;
  width: 0 !important;
  height: 0 !important;
  overflow: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}


.form-group { margin-bottom: 22px; }
.form-group label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #334155;
  margin-bottom: 8px;
}
.required { color: #EF4444; }
.form-group input {
  width: 100%;
  padding: 14px 18px;
  font-size: 0.9375rem;
  border: 2px solid #E2E8F0;
  border-radius: 12px;
  font-family: inherit;
  transition: all 0.25s;
  color: #334155;
  background: #FFFFFF;
}
.form-group input:focus {
  outline: none;
  border-color: #059669;
  box-shadow: 0 0 0 3px rgba(5,150,105,0.1);
}
.form-group input::placeholder { color: #94A3B8; }
.modal-submit-btn {
  width: 100%;
  margin-top: 8px;
  padding: 16px 32px;
  font-size: 1.0625rem;
  border-radius: 12px;
}
.modal-success {
  text-align: center;
  padding: 48px 0;
}
.success-icon {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, #059669, #10B981);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  font-weight: 700;
  margin: 0 auto 24px;
  box-shadow: 0 4px 16px rgba(5,150,105,0.35);
}
.modal-success p {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 8px;
}
.success-desc {
  font-size: 0.9375rem;
  color: #64748B;
  font-weight: 400 !important;
}

/* === 表单验证优化 === */
.form-group {
  position: relative;
}

.form-group input.error {
  border-color: #EF4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-group input.success {
  border-color: #059669;
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

.error-message {
  font-size: 0.8125rem;
  color: #EF4444;
  margin-top: 6px;
  padding-left: 4px;
  animation: slideIn 0.3s ease-out;
  display: none;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.success-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background: #059669;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
}

.btn-loading {
  position: relative;
  color: transparent !important;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin-left: -10px;
  margin-top: -10px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* === Responsive === */
@media (max-width: 1024px) {
  .hero-inner { flex-direction: column; text-align: center; gap: 60px; }
  .hero-content { max-width: 100%; }
  .hero-buttons { justify-content: center; }
  .hero-visual { max-width: 100%; }
  .feature-row { flex-direction: column !important; gap: 48px; }
  .feature-screen { max-width: 100%; }
  .pain-grid { grid-template-columns: 1fr; }
  .analysis-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow-steps { grid-template-columns: repeat(3, 1fr); }
  .workflow-step:nth-child(3)::after { display: none; }
  .secondary-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(3) { border-right: 1px solid rgba(255,255,255,0.08); }
  .service-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .pricing-card.featured { transform: none; }
  .pricing-card.featured:hover { transform: translateY(-10px); }
  .footer-inner { flex-direction: column; gap: 48px; }
  .footer-links { gap: 48px; }
  .impl-flow { padding: 40px 28px; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .header-nav { display: none; }
  .header-nav.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(16px);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    z-index: 999;
  }
  .header-cta { display: none; }
  .header-mobile-toggle { display: flex; }
  .header-mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .header-mobile-toggle.active span:nth-child(2) { opacity: 0; }
  .header-mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
  .hero { padding: 140px 0 80px; }
  .section { padding: 72px 0; }
  .section-header { margin-bottom: 48px; }
  .analysis-grid { grid-template-columns: 1fr; }
  .workflow-steps { grid-template-columns: repeat(2, 1fr); }
  .workflow-step:nth-child(2)::after { display: none; }
  .workflow-step:nth-child(3)::after { display: block; }
  .secondary-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .stat-item:last-child { border-bottom: none; }
  .footer-links { flex-direction: column; gap: 36px; }
  .impl-steps { flex-direction: column; align-items: stretch; }
  .impl-arrow { transform: rotate(90deg); text-align: center; }
  .modal-content { padding: 40px 28px; }
  .industry-grid { grid-template-columns: 1fr; }
}

/* === 按钮涟漪效果 === */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: scale(0);
  animation: ripple-animation 0.6s ease-out;
  pointer-events: none;
  z-index: 10;
}

@keyframes ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* 深色按钮的涟漪效果 */
.btn-dark.ripple,
.btn-primary.ripple {
  background: rgba(255, 255, 255, 0.3);
}

/* 浅色按钮的涟漪效果 */
.btn-secondary.ripple,
.btn-outline.ripple {
  background: rgba(5, 150, 105, 0.2);
}

/* === 免费操作培训卡片：与同网格其它卡片等宽，长文本正常换行，避免溢出/边框重叠 === */
.service-card-wide {
  /* 网格内统一 1fr 宽度；绿色边框强调由元素行内 style 控制，此处不再单独限宽 */
}

.service-card-wide .service-desc {
  /* 不限制宽度，跟随卡片自适应 */
}

.service-card-wide .service-items li {
  /* 允许长文本换行，防止溢出到相邻卡片 */
  font-size: 0.9375rem;
}

@media (min-width: 1024px) {
  .service-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  
  .service-card-wide {
    padding: 52px 40px;
  }
  
  .service-card-wide .service-desc {
    /* 自适应宽度 */
  }
  
  .service-card-wide .service-items li {
    font-size: 0.9375rem;
  }
}

/* ===========================================
   About Page 专用样式
   =========================================== */

/* === Hero 统计卡片 === */
.about-hero-visual {
  aspect-ratio: auto !important;
  min-height: auto !important;
  height: auto !important;
}

.about-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  width: 100%;
  height: 100%;
  padding: 40px;
}
.about-stat-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.about-stat-item:hover {
  background: rgba(5,150,105,0.08);
  border-color: rgba(5,150,105,0.25);
  transform: translateY(-4px);
}
.about-stat-item--span2 { display: none; }
.about-stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #10B981, #059669);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
  line-height: 1;
}
.about-stat-label {
  font-size: 0.875rem;
  color: #94A3B8;
  font-weight: 500;
  line-height: 1.5;
  margin-top: 8px;
}

/* === 公司简介文本 === */
.about-text-block {
  max-width: 820px;
  margin: 0 auto;
}
.about-text-block p {
  font-size: 1.0625rem;
  line-height: 2;
  color: #475569;
  margin-bottom: 24px;
  text-align: justify;
}

/* === 核心价值观卡片 === */
.about-values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.about-value-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  padding: 40px 28px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.about-value-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, #059669, #10B981);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.about-value-card:hover::before {
  transform: scaleX(1);
}
.about-value-card:hover {
  border-color: #059669;
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(5,150,105,0.1);
}
.about-value-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}
.about-value-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 12px;
}
.about-value-card p {
  font-size: 0.9375rem;
  color: #64748B;
  line-height: 1.7;
}

/* === 业务领域 === */
.about-domain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.about-domain-item {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  padding: 36px 32px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.about-domain-item:hover {
  background: #FFFFFF;
  border-color: #1E40AF;
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(30,64,175,0.08);
}
.about-domain-num {
  font-size: 2rem;
  font-weight: 800;
  color: #E2E8F0;
  margin-bottom: 16px;
  line-height: 1;
  transition: color 0.4s;
}
.about-domain-item:hover .about-domain-num {
  color: #1E40AF;
}
.about-domain-item h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 12px;
}
.about-domain-item p {
  font-size: 0.9375rem;
  color: #64748B;
  line-height: 1.8;
}
.about-domain-highlight {
  grid-column: span 1;
  background: linear-gradient(135deg, rgba(5,150,105,0.05), rgba(30,64,175,0.05));
  border-color: rgba(5,150,105,0.2);
}
.about-domain-highlight:hover {
  border-color: #059669;
  box-shadow: 0 16px 40px rgba(5,150,105,0.12);
}
.about-domain-highlight .about-domain-num {
  color: rgba(5,150,105,0.2);
}
.about-domain-highlight:hover .about-domain-num {
  color: #059669;
}

/* === 服务行业卡片 === */
.about-market-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.about-market-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  padding: 40px 24px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.about-market-card:hover {
  border-color: #78716C;
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(120,113,108,0.1);
}
.about-market-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}
.about-market-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 10px;
}
.about-market-card p {
  font-size: 0.9375rem;
  color: #64748B;
  line-height: 1.7;
}
.about-market-featured {
  background: linear-gradient(135deg, #0F172A, #1E293B);
  border-color: #059669;
}
.about-market-featured h3 {
  color: #FFFFFF;
}
.about-market-featured p {
  color: #94A3B8;
}
.about-market-featured:hover {
  border-color: #10B981;
  box-shadow: 0 20px 50px rgba(5,150,105,0.2);
}

/* === 合作伙伴 === */
.about-partners {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.about-partner-card {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  padding: 40px 48px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  min-width: 220px;
}
.about-partner-card:hover {
  background: #FFFFFF;
  border-color: #1E40AF;
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(30,64,175,0.1);
}
.about-partner-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.about-partner-card p {
  font-size: 0.875rem;
  color: #64748B;
}

/* === CTA === */
.about-cta {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

/* === About Page Responsive === */
@media (max-width: 1200px) {
  .about-hero-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) {
  .about-values-grid { grid-template-columns: repeat(2, 1fr); }
  .about-domain-grid { grid-template-columns: repeat(2, 1fr); }
  .about-market-grid { grid-template-columns: repeat(2, 1fr); }
  .about-hero-stats { padding: 24px; gap: 16px; }
}
@media (max-width: 768px) {
  .about-values-grid { grid-template-columns: 1fr; }
  .about-domain-grid { grid-template-columns: 1fr; }
  .about-market-grid { grid-template-columns: 1fr; }
  .about-partners { flex-direction: column; align-items: center; }
  .about-hero-stats { grid-template-columns: 1fr; }
  .about-stat-number { font-size: 2rem; }
}