/* service-dev.css - Auto extracted */

:root {
  --ac: #4f7df9;
  --ac-light: #6b93ff;
  --ac-dark: #3a62d4;
  --ac-bg: rgba(79,125,249,0.06);
  --ac-bg2: rgba(79,125,249,0.12);
  --dark: #0f172a;
  --text: #334155;
  --text-light: #64748b;
  --white: #ffffff;
  --bg: #f8fafc;
  --border: #e2e8f0;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(79,125,249,0.08);
  --shadow-lg: 0 12px 48px rgba(79,125,249,0.12);
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ====== Animations ====== */
@keyframes fadeUp {
  from { opacity:0; transform:translateY(40px); }
  to { opacity:1; transform:translateY(0); }
}
@keyframes fadeIn {
  from { opacity:0; }
  to { opacity:1; }
}
@keyframes slideLeft {
  from { opacity:0; transform:translateX(-60px); }
  to { opacity:1; transform:translateX(0); }
}
@keyframes slideRight {
  from { opacity:0; transform:translateX(60px); }
  to { opacity:1; transform:translateX(0); }
}
@keyframes scaleIn {
  from { opacity:0; transform:scale(0.85); }
  to { opacity:1; transform:scale(1); }
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(79,125,249,0.3); }
  50% { box-shadow: 0 0 0 16px rgba(79,125,249,0); }
}
@keyframes blink {
  0%,100% { opacity:1; }
  50% { opacity:0; }
}
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.anim { opacity:0; }
.anim.visible { animation-fill-mode: forwards; animation-duration: 0.7s; animation-timing-function: cubic-bezier(0.22,1,0.36,1); }
.anim-up.visible { animation-name: fadeUp; }
.anim-left.visible { animation-name: slideLeft; }
.anim-right.visible { animation-name: slideRight; }
.anim-scale.visible { animation-name: scaleIn; }
.anim-fade.visible { animation-name: fadeIn; }
.delay-1 { animation-delay: 0.1s !important; }
.delay-2 { animation-delay: 0.2s !important; }
.delay-3 { animation-delay: 0.3s !important; }
.delay-4 { animation-delay: 0.4s !important; }
.delay-5 { animation-delay: 0.5s !important; }
.delay-6 { animation-delay: 0.6s !important; }
.delay-7 { animation-delay: 0.7s !important; }
.delay-8 { animation-delay: 0.8s !important; }

/* ====== Navigation ====== */
.nav {
  position: fixed;
  top:0; left:0; right:0;
  z-index: 1000;
  padding: 0 48px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.4s;
  background: transparent;
}
.nav.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}
.nav-logo {
  font-size: 22px;
  font-weight: 900;
  color: var(--dark);
  text-decoration: none;
  transition: color 0.3s;
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo i { font-size: 28px; color: var(--ac); }
.nav.scrolled .nav-logo { color: var(--dark); }
.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  font-size: 15px;
  position: relative;
  transition: color 0.3s;
  padding: 4px 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--ac);
  transition: all 0.3s;
  transform: translateX(-50%);
  border-radius: 2px;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a:hover, .nav-links a.active { color: var(--ac); }
.nav.scrolled .nav-links a { color: var(--text); }
.nav.scrolled .nav-links a:hover, .nav.scrolled .nav-links a.active { color: var(--ac); }
.nav-cta {
  padding: 8px 24px;
  background: var(--ac);
  color: var(--white) !important;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  font-size: 14px;
}
.nav-cta:hover { background: var(--ac-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(79,125,249,0.3); }
.nav-logo img { height: 32px; width: auto; }
.nav-mb { display: none; background: transparent; border: none; font-size: 24px; color: var(--dark); cursor: pointer; padding: 8px; }
@media(max-width:768px){ .nav-links, .nav-cta { display: none; } .nav-mb { display: block; } .nav { padding: 0 20px; } }

/* ====== Banner ====== */
.banner {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: #e8efff;
}
.banner-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://www.ekuaibao.com/uploads/20250408/dd0a677a109440feba31f1cabbd17b19.png');
  background-size: cover;
  background-position: center;
  opacity: 0.4;
}
.banner-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(135deg, rgba(255,255,255,0.92) 0%, rgba(255,255,255,0.85) 50%, rgba(255,255,255,0.75) 100%);
}
.banner-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.15;
    animation: shapeF 8s ease-in-out infinite;
    background: linear-gradient(178deg, #7ea1ff, #ffffff);
    z-index: 9999999999999999;
}
.banner-shape.s2 { animation-duration: 10s; animation-direction: reverse; right: 10%; top: 20%; }
.banner-shape.s3 { animation-duration: 6s; animation-delay: 1s; left: 5%; bottom: 30%; }
@keyframes shapeF {
  0%,100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(30px,-20px) scale(1.05); }
  66% { transform: translate(-20px,30px) scale(0.95); }
}
.banner-grid-ov {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image: linear-gradient(rgba(79,125,249,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(79,125,249,.03) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 20%, transparent 70%);
}
.banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 24px;
}
.banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(79,125,249,0.1);
  border: 1px solid rgba(79,125,249,0.2);
  border-radius: 40px;
  color: var(--ac);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}
.banner-badge i { font-size: 16px; }
.banner-title {
  font-size: 56px;
  font-weight: 900;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -1px;
}
.banner-title span {
  background: linear-gradient(135deg, var(--ac), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.banner-subtitle {
  font-size: 20px;
  color: var(--text-light);
  margin-bottom: 32px;
  line-height: 1.6;
  font-weight: 300;
}
.typewriter-wrap {
  min-height: 40px;
  margin-bottom: 40px;
}
.typewriter-text {
  font-size: 18px;
  color: var(--ac);
  font-weight: 500;
  border-right: 2px solid var(--ac-light);
  padding-right: 4px;
  animation: blink 0.8s infinite;
}
.banner-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-primary {
  padding: 14px 36px;
  background: var(--ac);
  color: var(--white);
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.btn-primary:hover { background: var(--ac-dark); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(79,125,249,0.35); }
.btn-outline {
  padding: 14px 36px;
  background: #fff;
  color: var(--dark);
  border: 1.5px solid rgba(79,125,249,0.3);
  border-radius: 12px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.btn-outline:hover { border-color: var(--ac); color: var(--ac); background: rgba(79,125,249,0.08); }
.banner-stats {
  display: flex;
  gap: 48px;
  justify-content: center;
  margin-top: 56px;
  padding: 24px 40px;
  background: rgba(255,255,255,0.85);
  border-radius: 20px;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 24px rgba(79,125,249,0.08);
}
.banner-stat {
  text-align: center;
  position: relative;
}
.banner-stat:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -24px;
  top: 10%;
  height: 80%;
  width: 1px;
  background: linear-gradient(transparent, rgba(79,125,249,.15), transparent);
}
.banner-stat-num {
  font-size: 38px;
  font-weight: 900;
  background: linear-gradient(135deg, #4f7df9, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}
.banner-stat-num span { 
  background: linear-gradient(135deg, #4f7df9, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.banner-stat-label {
  font-size: 13px;
  color: #64748b;
  margin-top: 4px;
  font-weight: 500;
}

/* ====== Section Common ====== */
.section {
  padding: 100px 48px;
}
.section-alt { background: var(--bg); }
.section-dark { background: var(--dark); color: var(--white); }
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: var(--ac-bg);
  color: var(--ac);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.section-title {
  font-size: 40px;
  font-weight: 900;
   background:linear-gradient(135deg, #0045ff, #4275ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.section-dark .section-title { color: var(--white); }
.section-desc {
  font-size: 17px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ====== Pain Points ====== */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.pain-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all 0.4s cubic-bezier(0.22,1,0.36,1);
  position: relative;
  overflow: hidden;
}
.pain-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ac), #a78bfa);
  transform: scaleX(0);
  transition: transform 0.4s;
}
.pain-card:hover::before { transform: scaleX(1); }
.pain-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.pain-icon {
  width: 68px;
  height: 68px;
  background: linear-gradient(135deg, rgba(79,125,249,0.08), rgba(167,139,250,0.08));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 30px;
  color: var(--ac);
  transition: all 0.4s;
  border: 2px solid rgba(79,125,249,0.08);
  position: relative;
}
.pain-icon::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(79,125,249,0.1), rgba(167,139,250,0.1));
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s;
}
.pain-card:hover .pain-icon {
  background: linear-gradient(135deg, var(--ac), #a78bfa);
  color: var(--white);
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 12px 32px rgba(79,125,249,0.25);
  border-color: transparent;
}
.pain-card:hover .pain-icon::after {
  opacity: 1;
}
.pain-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}
.pain-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

/* ====== Solutions ====== */
.solution-list {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.solution-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.solution-item:nth-child(even) { direction: rtl; }
.solution-item:nth-child(even) > * { direction: ltr; }
.solution-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.solution-img img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
  transition: transform 0.6s;
}
.solution-item:hover .solution-img img { transform: scale(1.06); }
.solution-img-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  background: var(--ac);
  color: var(--white);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
}
.solution-content { padding: 16px 0; }
.solution-num {
  font-size: 64px;
  font-weight: 900;
  color: var(--ac-bg2);
  line-height: 1;
  margin-bottom: 8px;
}
.solution-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}
.solution-desc {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}
.solution-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.solution-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
}
.solution-features li i {
  color: var(--ac);
  font-size: 18px;
  flex-shrink: 0;
}

/* ====== Dev Capabilities ====== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.4s cubic-bezier(0.22,1,0.36,1);
  position: relative;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.feature-img {
  height: 200px;
  overflow: hidden;
  position: relative;
}
.feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}
.feature-card:hover .feature-img img { transform: scale(1.08); }
.feature-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,23,42,0.6), transparent);
}
.feature-img-icon {
  position: absolute;
  bottom: 16px;
  left: 20px;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--ac), #a78bfa);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 22px;
  box-shadow: 0 4px 16px rgba(79,125,249,0.4);
}
.feature-body {
  padding: 24px;
}
.feature-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}
.feature-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}
.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.feature-tag {
  padding: 4px 12px;
  background: var(--ac-bg);
  color: var(--ac);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  transition: all 0.3s;
}
.feature-card:hover .feature-tag {
  background: linear-gradient(135deg, var(--ac), #a78bfa);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(79,125,249,0.2);
}

/* ====== Tech Stack ====== */
.tech-section {
  padding: 100px 48px;
  background: var(--bg);
}
.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.tech-group {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--border);
  transition: all 0.4s;
}
.tech-group:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(79,125,249,0.3);
}
.tech-group-title {
  font-size: 15px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--ac), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.tech-group-title i { 
  font-size: 18px;
  background: linear-gradient(135deg, var(--ac), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tech-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tech-item {
  padding: 6px 14px;
  background: var(--ac-bg);
  color: var(--text);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.3s;
}
.tech-group:hover .tech-item {
  background: linear-gradient(135deg, var(--ac), #a78bfa);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(79,125,249,0.15);
}

/* ====== Core Advantages ====== */
.section-parallax {
  position: relative;
  padding: 120px 48px;
  background: linear-gradient(135deg, #0a0f1a 0%, #111827 50%, #0f172a 100%);
  overflow: hidden;
}
.section-parallax .parallax-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://www.ekuaibao.com/uploads/20250408/dd0a677a109440feba31f1cabbd17b19.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  opacity: 0.08;
  z-index: 0;
}
.section-parallax .section-header,
.section-parallax .adv-grid {
  position: relative;
  z-index: 1;
}
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1200px;
  margin: 0 auto;
}
.adv-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
  transition: all 0.4s;
  position: relative;
  overflow: hidden;
}
.adv-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(79,125,249,0.08), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.adv-card:hover::after { opacity: 1; }
.adv-card:hover {
  border-color: rgba(79,125,249,0.3);
  transform: translateY(-6px);
}
.adv-icon {
  position: relative;
  z-index: 1;
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--ac), var(--ac-light));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 32px;
  color: var(--white);
  transition: all 0.4s;
}
.adv-card:hover .adv-icon { transform: scale(1.12) rotate(5deg); border-radius: 24px; }
.adv-title {
  position: relative;
  z-index: 1;
  font-size: 20px;
  font-weight: 700;
  color: #292929;
  margin-bottom: 12px;
}
.adv-desc {
  position: relative;
  z-index: 1;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}
.adv-highlight {
  position: relative;
  z-index: 1;
  margin-top: 16px;
  padding: 8px 16px;
  background: rgba(79,125,249,0.15);
  border-radius: 8px;
  color: var(--ac-light);
  font-size: 13px;
  font-weight: 600;
  display: inline-block;
}

/* ====== Cases ====== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1200px;
  margin: 0 auto;
}
.case-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.5s cubic-bezier(0.22,1,0.36,1);
  position: relative;
}
.case-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(79,125,249,0.05), transparent);
  opacity: 0;
  transition: opacity 0.4s;
  z-index: 1;
  pointer-events: none;
}
.case-card:hover::before {
  opacity: 1;
}
.case-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 24px 60px rgba(79,125,249,0.18);
  border-color: var(--ac);
}
.case-img {
  height: 220px;
  overflow: hidden;
  position: relative;
}
.case-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,23,42,0.6) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s;
}
.case-card:hover .case-img::after {
  opacity: 1;
}
.case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.22,1,0.36,1);
}
.case-card:hover .case-img img { 
  transform: scale(1.12);
}
.case-industry {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 6px 14px;
  background: linear-gradient(135deg, var(--ac), #a78bfa);
  color: var(--white);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(79,125,249,0.25);
  z-index: 2;
}
.case-body { padding: 28px; }
.case-company {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}
.case-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 20px;
}
.case-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.case-metric {
  text-align: center;
  padding: 12px 8px;
  background: var(--bg);
  border-radius: 10px;
  transition: all 0.3s;
}
.case-card:hover .case-metric { background: var(--ac-bg); }
.case-metric-num {
  font-size: 22px;
  font-weight: 900;
  color: var(--ac);
}
.case-metric-label {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 2px;
}

/* ====== Pricing ====== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1100px;
  margin: 0 auto;
}
.pricing-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 32px;
  border: 1px solid var(--border);
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.pricing-card::after {
  content: '';
/*  position: absolute;*/
  inset: 0;
  background: linear-gradient(135deg, rgba(79,125,249,0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s;
}
.pricing-card:hover::after {
  opacity: 1;
}
.pricing-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 20px 60px rgba(79,125,249,0.2);
  border-color: var(--ac);
}
.pricing-card.featured {
  border: 2px solid var(--ac);
  background: linear-gradient(180deg, rgba(79,125,249,0.05) 0%, var(--white) 40%);
  transform: scale(1.05);
  box-shadow: 0 12px 40px rgba(79,125,249,0.15);
}
.pricing-card.featured:hover {
  transform: translateY(-8px) scale(1.07);
  box-shadow: 0 24px 70px rgba(79,125,249,0.25);
}
.pricing-card.featured::before {
  content: '推荐';
  position: absolute;
  top: 20px;
  right: -28px;
  padding: 4px 36px;
  background: linear-gradient(135deg, var(--ac), #a78bfa);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  transform: rotate(45deg);
  box-shadow: 0 4px 16px rgba(79,125,249,0.3);
}
.pricing-card:hover .pricing-amount {
  transform: scale(1.1);
}
.pricing-card:hover .pricing-features li {
  transform: translateX(4px);
}
.pricing-card:hover .btn-price {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79,125,249,0.4);
}
.pricing-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
  transition: color 0.3s;
}
.pricing-card:hover .pricing-name {
  color: var(--ac);
}
.pricing-desc {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 24px;
}
.pricing-price {
  margin-bottom: 28px;
  position: relative;
}
.pricing-amount {
  font-size: 48px;
  font-weight: 900;
  color: var(--ac);
  transition: all 0.4s;
  display: inline-block;
}
.pricing-amount span {
  font-size: 16px;
}
.pricing-card.featured .pricing-amount {
  animation: pricePulse 2s ease-in-out infinite;
}
@keyframes pricePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); text-shadow: 0 0 20px rgba(79,125,249,0.3); }
}
  font-weight: 500;
  color: var(--text-light);
}
.pricing-unit {
  font-size: 14px;
  color: var(--text-light);
  margin-top: 4px;
}
.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
  transition: all 0.3s;
  position: relative;
  padding-left: 4px;
}
.pricing-features li:nth-child(1) { transition-delay: 0.05s; }
.pricing-features li:nth-child(2) { transition-delay: 0.1s; }
.pricing-features li:nth-child(3) { transition-delay: 0.15s; }
.pricing-features li:nth-child(4) { transition-delay: 0.2s; }
.pricing-features li:nth-child(5) { transition-delay: 0.25s; }
.pricing-features li i {
  color: var(--ac);
  font-size: 16px;
  flex-shrink: 0;
  transition: transform 0.3s;
}
.pricing-card:hover .pricing-features li i {
  transform: scale(1.2);
}
.pricing-features li.disabled {
  color: var(--text-light);
  opacity: 0.5;
}
.pricing-features li.disabled i { color: var(--border); }
.pricing-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 0;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
}
.pricing-btn-primary {
  background: var(--ac);
  color: var(--white);
  border: none;
}
.pricing-btn-primary:hover { background: var(--ac-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(79,125,249,0.3); }
.pricing-btn-outline {
  background: transparent;
  color: var(--ac);
  border: 1.5px solid var(--ac);
}
.pricing-btn-outline:hover { background: var(--ac); color: var(--white); transform: translateY(-2px); }

/* ====== CTA ====== */
.cta-section {
  position: relative;
  padding: 120px 48px;
  background: linear-gradient(135deg, #0f172a, #1a3a6c, #0f172a);
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
  text-align: center;
  overflow: hidden;
}
.cta-glow1 {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(79,125,249,0.2), transparent 70%);
  top: -100px;
  left: -100px;
  border-radius: 50%;
}
.cta-glow2 {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(167,139,250,0.15), transparent 70%);
  bottom: -80px;
  right: -80px;
  border-radius: 50%;
}
.cta-content { position: relative; z-index: 2; }
.cta-title {
  font-size: 44px;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 16px;
}
.cta-desc {
  font-size: 18px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}
.cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-features {
  display: flex;
  gap: 32px;
  justify-content: center;
  margin-top: 48px;
  flex-wrap: wrap;
}
.cta-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.7);
  font-size: 14px;
}
.cta-feature i { color: var(--ac-light); font-size: 18px; }

/* ====== Footer ====== */
/*.footer{background:#0a0f1a;padding:60px 48px 32px;color:rgba(255,255,255,.6)}
.ft-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;max-width:1200px;margin:0 auto;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.ft-brand p{font-size:14px;line-height:1.8;margin-top:16px;opacity:.7}
.ft-grid h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:20px}
.ft-grid ul{list-style:none}
.ft-grid li{margin-bottom:12px}
.ft-grid a{color:rgba(255,255,255,.55);text-decoration:none;font-size:14px;transition:color .3s}
.ft-grid a:hover{color:var(--ac)}
.ft-bottom-logo{display:flex;justify-content:center;align-items:center;padding:40px 0 20px}
.ft-bl-wrap{display:flex;flex-direction:column;align-items:center;gap:16px}
.ft-bl-orbit-box{position:relative;width:120px;height:120px}
.ft-bl-orbit{position:absolute;border:1px dashed rgba(79,125,249,.4);border-radius:50%}
.ft-bl-orbit:nth-child(1){inset:0;animation:orbitSpin 18s linear infinite}
.ft-bl-orbit:nth-child(2){inset:15px;border-style:dotted;animation:orbitSpin 12s linear infinite reverse}
.ft-bl-orbit:nth-child(3){inset:30px;border-style:dashed;animation:orbitSpin 8s linear infinite}
.ft-bl-dot{position:absolute;width:8px;height:8px;background:#10b981;border-radius:50%;box-shadow:0 0 12px #10b981}
.ft-bl-orbit:nth-child(1) .ft-bl-dot{top:-4px;left:50%;transform:translateX(-50%)}
.ft-bl-orbit:nth-child(2) .ft-bl-dot{bottom:-4px;left:50%;transform:translateX(-50%)}
.ft-bl-orbit:nth-child(3) .ft-bl-dot{top:50%;right:-4px;transform:translateY(-50%)}*/
/*.ft-bl-logo{position:absolute;inset:35px;background:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 0 30px rgba(79,125,249,.2)}
.ft-bl-logo img{width:40px;height:40px;object-fit:contain}*/
.ft-bl-text{font-size:14px;font-weight:600;color:#fff;letter-spacing:2px}
@keyframes orbitSpin{from{transform:rotate(0)}to{transform:rotate(360deg)}}
@media(max-width:768px){.ft-grid{grid-template-columns:1fr 1fr;gap:32px}.footer{padding:48px 20px 24px}.ft-bottom-logo{padding:32px 0 16px}}

/* ====== Responsive ====== */
@media (max-width: 1200px) {
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 968px) {
  .section { padding: 72px 24px; }
  .banner-title { font-size: 40px; }
  .solution-item { grid-template-columns: 1fr; }
  .solution-item:nth-child(even) { direction: ltr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; max-width: 560px; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 440px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .nav { padding: 0 24px; }
  .nav-links { display: none; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .banner-title { font-size: 30px; }
  .banner-subtitle { font-size: 16px; }
  .banner-stats { gap: 24px; flex-wrap: wrap; }
  .banner-stat-num { font-size: 28px; }
  .section-title { font-size: 28px; }
  .feature-grid, .adv-grid, .pain-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .cta-title { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
}