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

/* 修复em标签默认倾斜问题 */
em {
  font-style: normal;
}

:root {
  --bg: #ffffff;
  --bg2: #fbfbfd;
  --nav-bg: #000000;
  --primary: #0071e3;
  --primary-h: #0077ed;
  --text: #1d1d1f;
  --text-muted: #555555;
  --green: #06c167;
  --radius: 18px;
  --transition: cubic-bezier(0.28, 0.11, 0.32, 1);
}

html {
  overflow-x: hidden;
  overflow-y: auto;
  background: #ffffff;
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", sans-serif;
  background: #ffffff;
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  overflow-y: auto;
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; transition: color 0.3s var(--transition); }
a:hover { color: var(--primary-h); }
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 22px;
  width: 100%;
  box-sizing: border-box;
}

/* NAV — 苹果风格黑色导航 */
header {
  background: rgba(0,0,0,0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  margin: 0;
  padding: 0;
}
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
}
.logo {
  font-size: 21px;
  font-weight: 600;
  color: #f5f5f7;
  letter-spacing: -0.5px;
}
.logo span { color: #0071e3; }
.nav-links {
  display: flex;
  gap: 0;
  align-items: center;
  flex: 1;
  justify-content: center;
}
.nav-links > a,
.nav-links > .dropdown > a {
  color: #f5f5f7;
  padding: 0 16px;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: -0.01em;
  transition: opacity 0.3s var(--transition);
  opacity: 0.8;
  display: block;
  line-height: 48px;
}
.nav-links > a:hover,
.nav-links > .dropdown > a:hover {
  opacity: 1;
  color: #f5f5f7;
}
.nav-links .dropdown {
  position: relative;
}
.nav-links .dropdown:hover .dropdown-menu {
  display: block;
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.dropdown-menu {
  display: none;
  opacity: 0;
  transform: translateX(-50%) translateY(-8px);
  position: absolute;
  top: 100%;
  left: 50%;
  background: rgba(22,22,24,0.98);
  backdrop-filter: saturate(180%) blur(30px);
  -webkit-backdrop-filter: saturate(180%) blur(30px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px;
  min-width: 180px;
  width: max-content;
  max-width: 280px;
  padding: 6px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4), 0 16px 48px rgba(0,0,0,0.3), 0 0 1px rgba(255,255,255,0.1) inset;
  transition: opacity 0.25s var(--transition), transform 0.25s var(--transition);
  margin-top: 2px;
}
.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  color: #f5f5f7;
  font-size: 13px;
  border-radius: 8px;
  opacity: 0.88;
  line-height: 1.5;
  letter-spacing: -0.01em;
  transition: all 0.2s ease;
  white-space: nowrap;
  font-weight: 400;
}
.dropdown-menu a:hover {
  background: rgba(255,255,255,0.12);
  color: #ffffff;
  opacity: 1;
  transform: translateX(2px);
}
.dropdown-menu a .flag {
  font-size: 16px;
  line-height: 1;
  opacity: 0.95;
  flex-shrink: 0;
  width: 16px;
  text-align: center;
}

/* Mega Menu */
.mega-menu {
  display: none;
  width: max-content;
  padding: 6px;
  background: rgba(22,22,24,0.98);
}
.mega-dropdown:hover .mega-menu {
  display: flex;
  gap: 0;
}
.mega-menu-section {
  flex: 1;
  min-width: 0;
  padding: 0;
}
.mega-menu-section:not(:last-child) {
  border-right: 1px solid rgba(255,255,255,0.08);
}
.mega-menu-section a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  color: #f5f5f7;
  font-size: 13px;
  border-radius: 8px;
  opacity: 0.88;
  transition: all 0.2s ease;
  white-space: nowrap;
  font-weight: 400;
  margin-bottom: 2px;
}
.mega-menu-section a:hover {
  background: rgba(255,255,255,0.12);
  color: #ffffff;
  opacity: 1;
  transform: translateX(2px);
}
.mega-menu-section a .flag {
  font-size: 17px;
  line-height: 1;
  opacity: 0.95;
  flex-shrink: 0;
  width: 17px;
  text-align: center;
}
.nav-actions {
  display: flex;
  gap: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 14px;
  border-radius: 980px;
  font-size: 14px;
  font-weight: 400;
  cursor: pointer;
  border: none;
  transition: all 0.3s var(--transition);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.btn-primary {
  background: #0071e3;
  color: #fff;
}
.btn-primary:hover {
  background: #0077ed;
  color: #fff;
  transform: scale(1.02);
}
.btn-outline {
  background: transparent;
  color: #f5f5f7;
  border: 1px solid rgba(245,245,247,0.3);
}
.btn-outline:hover {
  background: rgba(245,245,247,0.1);
  border-color: rgba(245,245,247,0.5);
}
header .btn-outline {
  background: transparent;
  color: #f5f5f7;
  border-color: rgba(245,245,247,0.3);
}
header .btn-outline:hover {
  background: rgba(245,245,247,0.1);
}
.btn-sm {
  padding: 6px 16px;
  font-size: 12px;
}
.btn-sm.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: rgba(0,113,227,0.3);
}
.btn-sm.btn-outline:hover {
  background: rgba(0,113,227,0.04);
  border-color: var(--primary);
}

/* HERO — 苹果风格精致 Banner */
.hero {
  min-height: 692px;
  padding: 110px 0 96px;
  text-align: center;
  background: #000000;
  position: relative;
  overflow: hidden;
  width: 100%;
  margin: 0;
}

/* Hero Background Effects */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

/* Orbs - Large glowing spheres */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.5;
  animation: orbFloat 25s ease-in-out infinite;
}

.hero-orb-1 {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(14,165,233,0.4) 0%, transparent 70%);
  top: -200px;
  right: -150px;
  animation-duration: 30s;
}

.hero-orb-2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99,102,241,0.3) 0%, transparent 70%);
  bottom: -150px;
  left: -100px;
  animation-duration: 35s;
  animation-direction: reverse;
}

.hero-orb-3 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(168,85,247,0.25) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-duration: 40s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -40px) scale(1.1); }
  66% { transform: translate(-30px, 30px) scale(0.95); }
}

/* Grid Overlay */
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(14,165,233,0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(14,165,233,0.08) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.4;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

/* Diagonal Lines */
.hero-lines {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 100px,
    rgba(14,165,233,0.03) 100px,
    rgba(14,165,233,0.03) 102px
  );
  animation: linesMove 30s linear infinite;
}

@keyframes linesMove {
  0% { background-position: 0 0; }
  100% { background-position: 141px 141px; }
}

/* Dots Overlay */
.hero-dots-overlay {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.6;
}

/* Pulse Lines */
.hero-pulse-lines {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 0%, rgba(14,165,233,0.2) 50%, transparent 100%);
  background-size: 200% 100%;
  animation: pulseHorizontal 8s ease-in-out infinite;
  opacity: 0.3;
}

@keyframes pulseHorizontal {
  0%, 100% { background-position: 0% 0%; opacity: 0; }
  50% { background-position: 100% 0%; opacity: 0.3; }
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(14,165,233,0.3) 50%, transparent);
}

/* Beams - Vertical light beams */
.hero-beam {
  position: absolute;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, transparent 0%, rgba(14,165,233,0.6) 50%, transparent 100%);
  animation: beamMove 12s ease-in-out infinite;
  opacity: 0.4;
}

.hero-beam-1 {
  left: 15%;
  animation-delay: 0s;
}

.hero-beam-2 {
  left: 50%;
  animation-delay: 4s;
}

.hero-beam-3 {
  left: 85%;
  animation-delay: 8s;
}

@keyframes beamMove {
  0%, 100% { transform: translateY(-100%); opacity: 0; }
  50% { transform: translateY(100%); opacity: 0.4; }
}

/* Rings - Expanding circles */
.hero-rings {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 2px solid rgba(14,165,233,0.3);
  border-radius: 50%;
  animation: ringExpand 8s ease-out infinite;
}

.ring-1 {
  width: 300px;
  height: 300px;
  animation-delay: 0s;
}

.ring-2 {
  width: 300px;
  height: 300px;
  animation-delay: 4s;
}

@keyframes ringExpand {
  0% {
    width: 100px;
    height: 100px;
    opacity: 0.6;
  }
  100% {
    width: 800px;
    height: 800px;
    opacity: 0;
  }
}

/* Triangles */
.hero-triangles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.triangle {
  position: absolute;
  width: 0;
  height: 0;
  border-style: solid;
  opacity: 0.15;
  animation: triangleFloat 20s ease-in-out infinite;
}

.triangle-1 {
  top: 10%;
  left: 10%;
  border-width: 0 30px 52px 30px;
  border-color: transparent transparent rgba(14,165,233,0.4) transparent;
  animation-duration: 25s;
}

.triangle-2 {
  top: 60%;
  right: 15%;
  border-width: 40px 0 40px 69px;
  border-color: transparent transparent transparent rgba(99,102,241,0.3);
  animation-duration: 30s;
  animation-direction: reverse;
}

.triangle-3 {
  bottom: 15%;
  left: 50%;
  border-width: 35px 20px 0 20px;
  border-color: rgba(168,85,247,0.3) transparent transparent transparent;
  animation-duration: 28s;
}

@keyframes triangleFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(30px, -30px) rotate(120deg); }
  66% { transform: translate(-20px, 20px) rotate(240deg); }
}

/* Hexagons */
.hero-hexagons {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='52' viewBox='0 0 60 52' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0l15 8.66v17.32L30 34.64 15 26V8.66L30 0z' fill='none' stroke='rgba(14,165,233,0.1)' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 120px 104px;
  opacity: 0.3;
  animation: hexMove 40s linear infinite;
}

@keyframes hexMove {
  0% { background-position: 0 0; }
  100% { background-position: 120px 104px; }
}

/* Particles */
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-particles span {
  position: absolute;
  width: 3px;
  height: 3px;
  background: rgba(14,165,233,0.6);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(14,165,233,0.8);
  animation: particleFloat 15s ease-in-out infinite;
}

.hero-particles span:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
.hero-particles span:nth-child(2) { left: 25%; top: 60%; animation-delay: 2s; }
.hero-particles span:nth-child(3) { left: 40%; top: 30%; animation-delay: 4s; }
.hero-particles span:nth-child(4) { left: 55%; top: 70%; animation-delay: 1s; }
.hero-particles span:nth-child(5) { left: 70%; top: 40%; animation-delay: 3s; }
.hero-particles span:nth-child(6) { left: 85%; top: 25%; animation-delay: 5s; }
.hero-particles span:nth-child(7) { left: 15%; top: 80%; animation-delay: 2.5s; }
.hero-particles span:nth-child(8) { left: 60%; top: 15%; animation-delay: 4.5s; }
.hero-particles span:nth-child(9) { left: 35%; top: 85%; animation-delay: 1.5s; }
.hero-particles span:nth-child(10) { left: 80%; top: 55%; animation-delay: 3.5s; }

@keyframes particleFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.6;
  }
  50% {
    transform: translate(50px, -50px) scale(1.5);
    opacity: 1;
  }
}

/* Code Stream */
.hero-code-stream {
  position: absolute;
  inset: 0;
  overflow: hidden;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: rgba(14,165,233,0.3);
  pointer-events: none;
}

.hero-code-stream span {
  position: absolute;
  white-space: nowrap;
  animation: codeFlow 20s linear infinite;
  opacity: 0.4;
}

.hero-code-stream span:nth-child(1) {
  top: 15%;
  right: 100%;
  animation-delay: 0s;
}

.hero-code-stream span:nth-child(2) {
  top: 35%;
  right: 100%;
  animation-delay: 5s;
}

.hero-code-stream span:nth-child(3) {
  top: 55%;
  right: 100%;
  animation-delay: 10s;
}

.hero-code-stream span:nth-child(4) {
  top: 75%;
  right: 100%;
  animation-delay: 15s;
}

@keyframes codeFlow {
  0% {
    transform: translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 0.4;
  }
  90% {
    opacity: 0.4;
  }
  100% {
    transform: translateX(calc(100vw + 100%));
    opacity: 0;
  }
}

/* Scanline */
.hero-scanline {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(14,165,233,0.8), transparent);
  box-shadow: 0 0 20px rgba(14,165,233,0.6);
  animation: scanlineMove 6s ease-in-out infinite;
}

@keyframes scanlineMove {
  0%, 100% {
    top: 0;
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    top: 100%;
    opacity: 0;
  }
}

/* Circuit Board */
.hero-circuit {
  position: absolute;
  inset: 0;
  opacity: 0.4;
}

.circuit-svg {
  width: 100%;
  height: 100%;
}

.circuit-path {
  stroke-dasharray: 400;
  stroke-dashoffset: 400;
  animation: circuitDraw 15s ease-in-out infinite;
}

.circuit-path-1 {
  animation-delay: 0s;
}

.circuit-path-2 {
  animation-delay: 5s;
}

.circuit-path-3 {
  animation-delay: 10s;
}

@keyframes circuitDraw {
  0%, 100% {
    stroke-dashoffset: 400;
    opacity: 0.3;
  }
  50% {
    stroke-dashoffset: 0;
    opacity: 0.8;
  }
}

.circuit-node {
  animation: nodePulse 2s ease-in-out infinite;
}

@keyframes nodePulse {
  0%, 100% {
    opacity: 0.6;
    r: 4;
  }
  50% {
    opacity: 1;
    r: 6;
  }
}

/* Energy Waves */
.hero-energy-waves {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.energy-wave {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  border: 2px solid rgba(14,165,233,0.4);
  border-radius: 50%;
  animation: waveExpand 6s ease-out infinite;
}

.wave-1 {
  animation-delay: 0s;
}

.wave-2 {
  animation-delay: 2s;
}

.wave-3 {
  animation-delay: 4s;
}

@keyframes waveExpand {
  0% {
    width: 100px;
    height: 100px;
    opacity: 0.8;
  }
  100% {
    width: 1000px;
    height: 1000px;
    opacity: 0;
  }
}

/* Stars */
.hero-stars {
  position: absolute;
  inset: 0;
}

.star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 4px rgba(255,255,255,0.8);
  animation: starTwinkle 3s ease-in-out infinite;
}

.star-1 { left: 15%; top: 20%; animation-delay: 0s; }
.star-2 { left: 30%; top: 40%; animation-delay: 0.5s; }
.star-3 { left: 50%; top: 15%; animation-delay: 1s; }
.star-4 { left: 65%; top: 35%; animation-delay: 1.5s; }
.star-5 { left: 80%; top: 25%; animation-delay: 2s; }
.star-6 { left: 20%; top: 70%; animation-delay: 2.5s; }
.star-7 { left: 45%; top: 80%; animation-delay: 1.2s; }
.star-8 { left: 75%; top: 65%; animation-delay: 0.8s; }

@keyframes starTwinkle {
  0%, 100% {
    opacity: 0.3;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.5);
  }
}

/* Data Nodes */
.hero-data-nodes {
  position: absolute;
  inset: 0;
}

.data-node {
  position: absolute;
  width: 60px;
  height: 60px;
}

.node-1 {
  left: 20%;
  top: 30%;
}

.node-2 {
  right: 25%;
  top: 50%;
}

.node-3 {
  left: 50%;
  bottom: 25%;
}

.node-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: rgba(14,165,233,0.8);
  border-radius: 50%;
  box-shadow: 0 0 20px rgba(14,165,233,1);
  animation: coreGlow 2s ease-in-out infinite;
}

.node-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 30px;
  height: 30px;
  border: 2px solid rgba(14,165,233,0.4);
  border-radius: 50%;
  animation: ringRotate 8s linear infinite;
}

@keyframes coreGlow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(14,165,233,1);
  }
  50% {
    box-shadow: 0 0 40px rgba(14,165,233,1), 0 0 60px rgba(14,165,233,0.6);
  }
}

@keyframes ringRotate {
  0% {
    transform: translate(-50%, -50%) rotate(0deg) scale(1);
    opacity: 0.4;
  }
  50% {
    transform: translate(-50%, -50%) rotate(180deg) scale(1.2);
    opacity: 0.8;
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg) scale(1);
    opacity: 0.4;
  }
}

/* Glow Layers */
.hero-glow-layers {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.glow-layer {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.2;
  animation: glowPulse 10s ease-in-out infinite;
}

.glow-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(14,165,233,0.6), transparent);
  top: -100px;
  left: -100px;
  animation-delay: 0s;
}

.glow-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(99,102,241,0.5), transparent);
  bottom: -50px;
  right: -50px;
  animation-delay: 3.3s;
}

.glow-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(168,85,247,0.4), transparent);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: 6.6s;
}

@keyframes glowPulse {
  0%, 100% {
    opacity: 0.2;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(1.1);
  }
}

/* Data Connections */
.hero-data-connections {
  position: absolute;
  inset: 0;
  opacity: 0.5;
}

.connections-svg {
  width: 100%;
  height: 100%;
}

.connection-line {
  stroke-dasharray: 500;
  stroke-dashoffset: 500;
  animation: lineFlow 8s ease-in-out infinite;
}

.line-1 {
  animation-delay: 0s;
}

.line-2 {
  animation-delay: 2.6s;
}

.line-3 {
  animation-delay: 5.2s;
}

@keyframes lineFlow {
  0%, 100% {
    stroke-dashoffset: 500;
    opacity: 0.2;
  }
  50% {
    stroke-dashoffset: 0;
    opacity: 0.8;
  }
}

.connection-dot {
  animation: dotPulse 2s ease-in-out infinite;
}

.dot-1 {
  animation-delay: 0s;
}

.dot-2 {
  animation-delay: 0.6s;
}

.dot-3 {
  animation-delay: 1.2s;
}

@keyframes dotPulse {
  0%, 100% {
    opacity: 0.6;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(2);
  }
}

/* Rectangles */
.hero-rectangles {
  position: absolute;
  inset: 0;
}

.rect {
  position: absolute;
  border: 1px solid rgba(14,165,233,0.3);
  animation: rectFloat 25s ease-in-out infinite;
}

.rect-1 {
  width: 120px;
  height: 80px;
  top: 15%;
  right: 20%;
  animation-duration: 28s;
}

.rect-2 {
  width: 90px;
  height: 60px;
  bottom: 25%;
  left: 15%;
  animation-duration: 32s;
  animation-direction: reverse;
}

.rect-3 {
  width: 100px;
  height: 70px;
  top: 50%;
  left: 10%;
  animation-duration: 30s;
  border-color: rgba(99,102,241,0.3);
}

.rect-4 {
  width: 80px;
  height: 50px;
  bottom: 35%;
  right: 25%;
  animation-duration: 26s;
  border-color: rgba(168,85,247,0.3);
}

@keyframes rectFloat {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
    opacity: 0.3;
  }
  33% {
    transform: translate(30px, -30px) rotate(15deg);
    opacity: 0.6;
  }
  66% {
    transform: translate(-20px, 20px) rotate(-15deg);
    opacity: 0.4;
  }
}

/* Diamonds */
.hero-diamonds {
  position: absolute;
  inset: 0;
}

.diamond {
  position: absolute;
  width: 40px;
  height: 40px;
  border: 2px solid rgba(14,165,233,0.4);
  transform: rotate(45deg);
  animation: diamondSpin 20s linear infinite;
}

.diamond-1 {
  top: 20%;
  left: 25%;
  animation-duration: 22s;
}

.diamond-2 {
  top: 65%;
  right: 30%;
  animation-duration: 26s;
  border-color: rgba(99,102,241,0.4);
}

.diamond-3 {
  bottom: 20%;
  left: 60%;
  animation-duration: 24s;
  border-color: rgba(168,85,247,0.4);
}

@keyframes diamondSpin {
  0% {
    transform: rotate(45deg) scale(1);
    opacity: 0.4;
  }
  50% {
    transform: rotate(225deg) scale(1.2);
    opacity: 0.8;
  }
  100% {
    transform: rotate(405deg) scale(1);
    opacity: 0.4;
  }
}

/* Light Trails */
.hero-light-trails {
  position: absolute;
  inset: 0;
}

.light-trail {
  position: absolute;
  width: 100%;
  height: 2px;
  overflow: hidden;
}

.trail-1 {
  top: 25%;
  transform: rotate(-15deg);
}

.trail-2 {
  top: 50%;
  transform: rotate(10deg);
}

.trail-3 {
  top: 75%;
  transform: rotate(-8deg);
}

.trail-dot {
  position: absolute;
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(14,165,233,0.8), transparent);
  box-shadow: 0 0 10px rgba(14,165,233,0.8);
  animation: trailMove 8s linear infinite;
}

.trail-1 .trail-dot {
  animation-delay: 0s;
}

.trail-2 .trail-dot {
  animation-delay: 2.6s;
}

.trail-3 .trail-dot {
  animation-delay: 5.2s;
}

@keyframes trailMove {
  0% {
    left: -100px;
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    left: 100%;
    opacity: 0;
  }
}

/* Digital Rain */
.hero-digital-rain {
  position: absolute;
  inset: 0;
  font-family: 'Courier New', monospace;
  font-size: 14px;
  color: rgba(14,165,233,0.4);
  overflow: hidden;
}

.rain-column {
  position: absolute;
  top: -100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
  animation: rainFall 12s linear infinite;
}

.column-1 {
  left: 18%;
  animation-delay: 0s;
}

.column-2 {
  left: 42%;
  animation-delay: 3s;
}

.column-3 {
  left: 66%;
  animation-delay: 6s;
}

.column-4 {
  left: 84%;
  animation-delay: 9s;
}

@keyframes rainFall {
  0% {
    top: -100%;
    opacity: 0;
  }
  10% {
    opacity: 0.6;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    top: 100%;
    opacity: 0;
  }
}

/* Hologram */
.hero-hologram {
  position: absolute;
  inset: 0;
  opacity: 0.2;
}

.holo-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(0deg, rgba(14,165,233,0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14,165,233,0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  transform: perspective(500px) rotateX(60deg);
  transform-origin: center bottom;
}

.holo-scan {
  position: absolute;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(180deg, transparent, rgba(14,165,233,0.3), transparent);
  animation: holoScan 8s ease-in-out infinite;
}

@keyframes holoScan {
  0%, 100% {
    top: -100px;
    opacity: 0;
  }
  50% {
    top: 100%;
    opacity: 0.6;
  }
}

/* Energy Pulses */
.hero-energy-pulses {
  position: absolute;
  inset: 0;
}

.pulse {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(14,165,233,0.8);
  border-radius: 50%;
  box-shadow: 0 0 20px rgba(14,165,233,1);
  animation: pulseMove 10s ease-in-out infinite;
}

.pulse-1 {
  left: 10%;
  top: 20%;
  animation-delay: 0s;
}

.pulse-2 {
  left: 70%;
  top: 30%;
  animation-delay: 2.5s;
}

.pulse-3 {
  left: 40%;
  top: 60%;
  animation-delay: 5s;
}

.pulse-4 {
  left: 85%;
  top: 70%;
  animation-delay: 7.5s;
}

@keyframes pulseMove {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  50% {
    transform: translate(200px, -100px) scale(2);
    opacity: 0.8;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translate(400px, -200px) scale(1);
    opacity: 0;
  }
}

/* Raster Effect */
.hero-raster {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(14,165,233,0.02) 2px,
    rgba(14,165,233,0.02) 4px
  );
  opacity: 0.5;
}

/* Glow Dots */
.hero-glow-dots {
  position: absolute;
  inset: 0;
}

.glow-dot {
  position: absolute;
  width: 6px;
  height: 6px;
  background: rgba(14,165,233,0.8);
  border-radius: 50%;
  box-shadow: 0 0 20px rgba(14,165,233,1), 0 0 40px rgba(14,165,233,0.6);
  animation: glowDotPulse 4s ease-in-out infinite;
}

.glow-dot:nth-child(1) { animation-delay: 0s; }
.glow-dot:nth-child(2) { animation-delay: 0.5s; }
.glow-dot:nth-child(3) { animation-delay: 1s; }
.glow-dot:nth-child(4) { animation-delay: 1.5s; }
.glow-dot:nth-child(5) { animation-delay: 2s; }
.glow-dot:nth-child(6) { animation-delay: 2.5s; }
.glow-dot:nth-child(7) { animation-delay: 3s; }
.glow-dot:nth-child(8) { animation-delay: 3.5s; }

@keyframes glowDotPulse {
  0%, 100% {
    opacity: 0.4;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.8);
  }
}

/* Glass Cards - Apple-style frosted glass */
.hero-glass-cards {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.glass-card {
  position: absolute;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 24px;
  box-shadow:
    0 8px 32px rgba(0,0,0,0.1),
    inset 0 1px 0 rgba(255,255,255,0.2);
  overflow: hidden;
  animation: glassFloat 20s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.card-1 {
  width: 280px;
  height: 180px;
  top: 15%;
  right: 10%;
  animation-duration: 25s;
}

.card-2 {
  width: 220px;
  height: 140px;
  bottom: 20%;
  left: 8%;
  animation-duration: 30s;
  animation-delay: 5s;
}

.card-3 {
  width: 200px;
  height: 120px;
  top: 55%;
  right: 35%;
  animation-duration: 28s;
  animation-delay: 10s;
}

.glass-card-shine {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
  animation: shineMove 8s ease-in-out infinite;
}

@keyframes glassFloat {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
    opacity: 0.6;
  }
  33% {
    transform: translate(20px, -20px) rotate(2deg);
    opacity: 0.8;
  }
  66% {
    transform: translate(-15px, 15px) rotate(-2deg);
    opacity: 0.7;
  }
}

@keyframes shineMove {
  0%, 100% {
    transform: translate(-100%, -100%);
  }
  50% {
    transform: translate(100%, 100%);
  }
}

/* Luminous Spheres - Soft glowing orbs */
.hero-luminous-spheres {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.luminous-sphere {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: luminousFloat 30s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.sphere-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(14,165,233,0.6), rgba(14,165,233,0) 70%);
  top: 10%;
  left: 15%;
  animation-duration: 35s;
}

.sphere-2 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(99,102,241,0.5), rgba(99,102,241,0) 70%);
  bottom: 15%;
  right: 20%;
  animation-duration: 40s;
  animation-delay: 8s;
}

.sphere-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(168,85,247,0.4), rgba(168,85,247,0) 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-duration: 38s;
  animation-delay: 16s;
}

@keyframes luminousFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -30px) scale(1.1);
  }
  66% {
    transform: translate(-25px, 25px) scale(0.95);
  }
}

/* Depth Layers - Parallax effect */
.hero-depth-layers {
  position: absolute;
  inset: 0;
}

.depth-layer {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(14,165,233,0.05), transparent 60%);
  animation: depthMove 40s ease-in-out infinite;
}

.layer-1 {
  animation-duration: 45s;
  opacity: 0.4;
}

.layer-2 {
  animation-duration: 50s;
  animation-delay: 10s;
  opacity: 0.3;
  background: radial-gradient(ellipse at center, rgba(99,102,241,0.05), transparent 60%);
}

.layer-3 {
  animation-duration: 55s;
  animation-delay: 20s;
  opacity: 0.2;
  background: radial-gradient(ellipse at center, rgba(168,85,247,0.05), transparent 60%);
}

@keyframes depthMove {
  0%, 100% {
    transform: scale(1) translate(0, 0);
  }
  50% {
    transform: scale(1.05) translate(2%, 2%);
  }
}

/* Light Sweep - Smooth scanning light */
.hero-light-sweep {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.light-sweep-beam {
  position: absolute;
  top: -50%;
  left: -10%;
  width: 30%;
  height: 200%;
  background: linear-gradient(90deg,
    transparent,
    rgba(255,255,255,0.03),
    rgba(14,165,233,0.08),
    rgba(255,255,255,0.03),
    transparent
  );
  transform: skewX(-20deg);
  animation: sweepMove 15s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes sweepMove {
  0% {
    left: -30%;
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    left: 100%;
    opacity: 0;
  }
}

/* Glass Shards - Crystalline fragments */
.hero-glass-shards {
  position: absolute;
  inset: 0;
}

.glass-shard {
  position: absolute;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  animation: shardFloat 25s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.shard-1 {
  width: 120px;
  height: 80px;
  top: 25%;
  left: 20%;
  clip-path: polygon(30% 0%, 70% 0%, 100% 100%, 0% 100%);
  animation-duration: 28s;
}

.shard-2 {
  width: 100px;
  height: 100px;
  top: 60%;
  right: 25%;
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  animation-duration: 32s;
  animation-delay: 5s;
}

.shard-3 {
  width: 90px;
  height: 70px;
  bottom: 30%;
  left: 15%;
  clip-path: polygon(0% 0%, 100% 0%, 80% 100%, 20% 100%);
  animation-duration: 30s;
  animation-delay: 10s;
}

.shard-4 {
  width: 110px;
  height: 90px;
  top: 40%;
  right: 15%;
  clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
  animation-duration: 26s;
  animation-delay: 15s;
}

@keyframes shardFloat {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
    opacity: 0.4;
  }
  33% {
    transform: translate(15px, -15px) rotate(5deg);
    opacity: 0.6;
  }
  66% {
    transform: translate(-10px, 10px) rotate(-5deg);
    opacity: 0.5;
  }
}

/* Soft Lights - Gentle ambient lighting */
.hero-soft-lights {
  position: absolute;
  inset: 0;
}

.soft-light {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.15;
  animation: softLightPulse 12s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.light-1 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(14,165,233,0.8), transparent 70%);
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.light-2 {
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(99,102,241,0.7), transparent 70%);
  top: 60%;
  right: 15%;
  animation-delay: 3s;
}

.light-3 {
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(168,85,247,0.6), transparent 70%);
  bottom: 25%;
  left: 40%;
  animation-delay: 6s;
}

.light-4 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(14,165,233,0.5), transparent 70%);
  top: 35%;
  right: 35%;
  animation-delay: 9s;
}

@keyframes softLightPulse {
  0%, 100% {
    opacity: 0.15;
    transform: scale(1);
  }
  50% {
    opacity: 0.25;
    transform: scale(1.15);
  }
}

/* Gradient Mesh - Fluid color blobs */
.hero-gradient-mesh {
  position: absolute;
  inset: 0;
  filter: blur(100px);
  opacity: 0.2;
}

.mesh-blob {
  position: absolute;
  border-radius: 50%;
  animation: blobMove 35s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.blob-1 {
  width: 500px;
  height: 500px;
  background: linear-gradient(135deg, rgba(14,165,233,0.6), rgba(99,102,241,0.4));
  top: -100px;
  left: -100px;
  animation-duration: 40s;
}

.blob-2 {
  width: 450px;
  height: 450px;
  background: linear-gradient(225deg, rgba(99,102,241,0.5), rgba(168,85,247,0.3));
  bottom: -80px;
  right: -80px;
  animation-duration: 45s;
  animation-delay: 10s;
}

.blob-3 {
  width: 400px;
  height: 400px;
  background: linear-gradient(315deg, rgba(168,85,247,0.4), rgba(14,165,233,0.3));
  top: 50%;
  left: 30%;
  animation-duration: 42s;
  animation-delay: 20s;
}

.blob-4 {
  width: 350px;
  height: 350px;
  background: linear-gradient(45deg, rgba(14,165,233,0.3), rgba(99,102,241,0.2));
  top: 30%;
  right: 20%;
  animation-duration: 38s;
  animation-delay: 30s;
}

@keyframes blobMove {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(50px, -50px) scale(1.1);
  }
  66% {
    transform: translate(-40px, 40px) scale(0.9);
  }
}

/* Light Particles - Floating luminous dots */
.hero-light-particles {
  position: absolute;
  inset: 0;
}

.light-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255,255,255,0.8);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(255,255,255,0.8), 0 0 20px rgba(14,165,233,0.6);
  animation: particleDrift 20s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.light-particle:nth-child(1) {
  left: 15%;
  top: 25%;
  animation-delay: 0s;
  animation-duration: 22s;
}

.light-particle:nth-child(2) {
  left: 45%;
  top: 15%;
  animation-delay: 3s;
  animation-duration: 25s;
}

.light-particle:nth-child(3) {
  left: 75%;
  top: 35%;
  animation-delay: 6s;
  animation-duration: 23s;
}

.light-particle:nth-child(4) {
  left: 30%;
  top: 65%;
  animation-delay: 9s;
  animation-duration: 24s;
}

.light-particle:nth-child(5) {
  left: 60%;
  top: 55%;
  animation-delay: 12s;
  animation-duration: 26s;
}

.light-particle:nth-child(6) {
  left: 85%;
  top: 70%;
  animation-delay: 15s;
  animation-duration: 21s;
}

@keyframes particleDrift {
  0%, 100% {
    transform: translate(0, 0);
    opacity: 0.3;
  }
  25% {
    transform: translate(30px, -30px);
    opacity: 0.8;
  }
  50% {
    transform: translate(60px, -10px);
    opacity: 0.6;
  }
  75% {
    transform: translate(30px, 20px);
    opacity: 0.9;
  }
}

/* Reflections - Mirror-like light reflections */
.hero-reflections {
  position: absolute;
  inset: 0;
  opacity: 0.1;
}

.reflection {
  position: absolute;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  filter: blur(30px);
  animation: reflectionShimmer 10s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.reflection-1 {
  width: 300px;
  height: 200px;
  top: 20%;
  left: 25%;
  transform: rotate(-15deg);
  animation-delay: 0s;
}

.reflection-2 {
  width: 250px;
  height: 180px;
  bottom: 30%;
  right: 30%;
  transform: rotate(20deg);
  animation-delay: 5s;
}

@keyframes reflectionShimmer {
  0%, 100% {
    opacity: 0.1;
  }
  50% {
    opacity: 0.3;
  }
}

/* Mobile Optimization for Hero Banner */
@media (max-width: 768px) {
  /* 移动端板块间距优化 */
  section {
    padding: 50px 0;
  }

  .section-title {
    margin-bottom: 36px;
  }

  .sec-pricing {
    padding-top: 50px;
    padding-bottom: 45px;
  }

  .hero {
    min-height: 600px;
    padding: 80px 0 60px;
    width: 100%;
    overflow: hidden;
  }

  .hero .container {
    width: 100%;
    max-width: 100%;
    padding: 0 16px;
    box-sizing: border-box;
  }

  .hero-label {
    font-size: 15px;
    margin-bottom: 12px;
  }

  .hero h1 {
    font-size: clamp(28px, 7vw, 40px);
    letter-spacing: -0.015em;
    margin-bottom: 16px;
    line-height: 1.1;
  }

  .hero p {
    font-size: 17px;
    line-height: 1.47;
    margin-bottom: 28px;
    width: 100%;
    max-width: 100%;
    padding: 0;
  }

  .hero-cta {
    margin-bottom: 40px;
    gap: 12px;
    flex-direction: column;
    align-items: center;
  }

  .btn-hero-primary,
  .btn-hero-outline {
    padding: 12px 24px;
    font-size: 16px;
    width: 100%;
    max-width: 300px;
  }

  /* 移动端统计数据 - 横向一排布局 */
  .hero-stats {
    display: flex !important;
    flex-direction: row !important;
    justify-content: center !important;
    align-items: stretch !important;
    gap: 6px !important;
    width: 100% !important;
    max-width: 280px !important;
    padding: 0 !important;
    margin: 0 auto !important;
    box-sizing: border-box;
    overflow: visible;
    flex-wrap: nowrap !important;
  }

  .hero-stat {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    flex: 1 !important;
    min-width: 0 !important;
    height: 60px !important;
    padding: 8px 5px !important;
    border-radius: 12px !important;
    background:
      linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.04) 100%),
      linear-gradient(180deg, rgba(14,165,233,0.05) 0%, rgba(99,102,241,0.04) 100%) !important;
    border: 1px solid rgba(255,255,255,0.15) !important;
    backdrop-filter: blur(16px) saturate(160%) !important;
    -webkit-backdrop-filter: blur(16px) saturate(160%) !important;
    box-sizing: border-box;
    margin: 0 !important;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    opacity: 0.92 !important;
    animation: none !important;
    position: relative;
    box-shadow:
      0 4px 16px rgba(0,0,0,0.12),
      0 1px 4px rgba(0,0,0,0.1),
      inset 0 1px 0 rgba(255,255,255,0.15) !important;
  }

  .hero-stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
      transparent,
      rgba(255,255,255,0.3) 20%,
      rgba(255,255,255,0.4) 50%,
      rgba(255,255,255,0.3) 80%,
      transparent);
    opacity: 0.4;
    transition: opacity 0.3s ease;
  }

  .hero-stat::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    background:
      radial-gradient(circle at 50% 0%, rgba(14,165,233,0.08), transparent 60%),
      linear-gradient(135deg, rgba(14,165,233,0.06), rgba(99,102,241,0.05));
    opacity: 0;
    transition: opacity 0.35s ease;
  }

  .hero-stat:active {
    transform: translateY(-1px) scale(0.98);
    background:
      linear-gradient(135deg, rgba(14,165,233,0.15) 0%, rgba(14,165,233,0.08) 100%),
      linear-gradient(180deg, rgba(99,102,241,0.1) 0%, rgba(168,85,247,0.06) 100%);
    border-color: rgba(14,165,233,0.3);
    box-shadow:
      0 6px 20px rgba(14,165,233,0.2),
      0 2px 8px rgba(14,165,233,0.15),
      inset 0 1px 1px rgba(255,255,255,0.2) !important;
    opacity: 1 !important;
  }

  .hero-stat:active::before {
    opacity: 0.8;
    background: linear-gradient(90deg,
      transparent,
      rgba(255,255,255,0.5) 20%,
      rgba(255,255,255,0.6) 50%,
      rgba(255,255,255,0.5) 80%,
      transparent);
  }

  .hero-stat:active::after {
    opacity: 1;
  }

  .hero-stat-divider {
    display: none !important;
  }

  .hero-stat-num {
    display: block;
    font-size: 18px !important;
    font-weight: 700 !important;
    color: #ffffff;
    margin-bottom: 2px !important;
    letter-spacing: -0.02em;
    line-height: 1;
    white-space: nowrap;
    text-shadow:
      0 1px 4px rgba(0,0,0,0.25),
      0 0 12px rgba(14,165,233,0.2);
    position: relative;
    z-index: 1;
    opacity: 0.95;
  }

  .hero-stat-label {
    display: block;
    font-size: 8px !important;
    color: #e5e5ea;
    font-weight: 600 !important;
    letter-spacing: 0.02em;
    line-height: 1.2;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    width: 100%;
    padding: 0 2px !important;
    box-sizing: border-box;
    text-transform: uppercase;
    position: relative;
    z-index: 1;
    opacity: 0.85;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
  }

  /* Enhance background quality on mobile */
  .hero-bg {
    filter: brightness(1.05) contrast(1.1);
  }

  /* Pricing板块移动端适配 */
  .pricing-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
    padding-top: 10px !important;
  }

  .pricing-card {
    padding: 36px 20px 22px !important;
    border-radius: 18px !important;
    background: rgba(255, 255, 255, 0.75) !important;
    backdrop-filter: saturate(180%) blur(20px) !important;
    -webkit-backdrop-filter: saturate(180%) blur(20px) !important;
    border: 1px solid rgba(255, 255, 255, 0.5) !important;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.08),
                0 1px 4px rgba(0, 0, 0, 0.04),
                inset 0 1px 0 rgba(255, 255, 255, 0.8) !important;
  }

  .pricing-card.popular {
    transform: scale(1) !important;
    margin: 0 !important;
    background: linear-gradient(135deg, rgba(88, 86, 214, 0.95) 0%, rgba(139, 92, 246, 0.95) 100%) !important;
    backdrop-filter: saturate(180%) blur(20px) !important;
    -webkit-backdrop-filter: saturate(180%) blur(20px) !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    box-shadow: 0 6px 24px rgba(88, 86, 214, 0.4),
                0 3px 12px rgba(139, 92, 246, 0.25),
                inset 0 1px 1px rgba(255, 255, 255, 0.25) !important;
  }

  .pricing-card:hover {
    transform: translateY(-4px) !important;
    background: rgba(255, 255, 255, 0.85) !important;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12),
                0 6px 12px rgba(0, 0, 0, 0.06),
                inset 0 1px 0 rgba(255, 255, 255, 0.9) !important;
  }

  .pricing-card.popular:hover {
    transform: translateY(-4px) scale(1) !important;
    background: linear-gradient(135deg, rgba(88, 86, 214, 0.98) 0%, rgba(139, 92, 246, 0.98) 100%) !important;
    box-shadow: 0 16px 40px rgba(88, 86, 214, 0.45),
                0 8px 20px rgba(139, 92, 246, 0.3),
                inset 0 1px 1px rgba(255, 255, 255, 0.3) !important;
  }

  .pricing-card .popular-badge {
    top: 10px !important;
    font-size: 9px !important;
    padding: 4px 12px !important;
    border-radius: 12px !important;
  }

  .pricing-card h3 {
    font-size: 16px !important;
    margin-bottom: 14px !important;
  }

  .pricing-card .price {
    font-size: 38px !important;
    margin-bottom: 18px !important;
  }

  .pricing-card .price span {
    font-size: 13px !important;
  }

  .pricing-card ul {
    margin-bottom: 20px !important;
  }

  .pricing-card ul li {
    font-size: 13px !important;
    padding: 8px 0 !important;
  }

  .pricing-card ul li::before {
    width: 15px !important;
    height: 15px !important;
    font-size: 9px !important;
    margin-right: 8px !important;
  }

  .pricing-card .btn {
    padding: 12px 24px !important;
    font-size: 14px !important;
    border-radius: 12px !important;
  }

  /* Hide only the most complex elements */
  .hero-circuit,
  .hero-digital-rain,
  .hero-code-stream,
  .hero-data-connections,
  .hero-rectangles,
  .hero-light-trails,
  .hero-hologram,
  .hero-raster,
  .hero-data-nodes {
    display: none;
  }

  /* Keep but optimize key visual elements */
  .hero-hexagons {
    opacity: 0.2;
    animation-duration: 50s;
  }

  .hero-diamonds {
    opacity: 0.6;
  }

  .hero-triangles {
    opacity: 0.5;
  }

  /* Optimize orb sizes for mobile - keep them large for impact */
  .hero-orb-1 {
    width: 500px;
    height: 500px;
    top: -150px;
    right: -150px;
    filter: blur(100px);
  }

  .hero-orb-2 {
    width: 450px;
    height: 450px;
    bottom: -120px;
    left: -120px;
    filter: blur(100px);
  }

  .hero-orb-3 {
    width: 400px;
    height: 400px;
    filter: blur(100px);
  }

  /* Enhance luminous spheres for better quality */
  .luminous-sphere {
    filter: blur(70px);
    opacity: 0.35;
  }

  .sphere-1 {
    width: 350px;
    height: 350px;
  }

  .sphere-2 {
    width: 320px;
    height: 320px;
  }

  .sphere-3 {
    width: 280px;
    height: 280px;
  }

  /* Enhance gradient mesh for richer colors */
  .hero-gradient-mesh {
    filter: blur(90px);
    opacity: 0.25;
  }

  .mesh-blob {
    animation-duration: 45s !important;
  }

  .blob-1 {
    width: 400px;
    height: 400px;
  }

  .blob-2 {
    width: 350px;
    height: 350px;
  }

  .blob-3 {
    width: 320px;
    height: 320px;
  }

  .blob-4 {
    width: 280px;
    height: 280px;
  }

  /* Enhance soft lights */
  .soft-light {
    filter: blur(50px);
    opacity: 0.2;
  }

  .light-1 {
    width: 280px;
    height: 280px;
  }

  .light-2 {
    width: 250px;
    height: 250px;
  }

  .light-3 {
    width: 240px;
    height: 240px;
  }

  .light-4 {
    width: 220px;
    height: 220px;
  }

  /* Keep more particles for richness */
  .hero-particles span:nth-child(n+8) {
    display: none;
  }

  .hero-light-particles .light-particle:nth-child(n+5) {
    display: none;
  }

  .hero-stars .star:nth-child(n+6) {
    display: none;
  }

  .hero-glow-dots .glow-dot:nth-child(n+6) {
    display: none;
  }

  /* Optimize glass shards - keep them for texture */
  .glass-shard {
    opacity: 0.5;
  }

  .shard-3,
  .shard-4 {
    display: none;
  }

  /* Optimize rings */
  .ring {
    animation-duration: 10s;
  }

  .ring-1,
  .ring-2 {
    max-width: 600px;
    max-height: 600px;
  }

  /* Enhance grid overlay */
  .hero-grid-overlay {
    background-size: 70px 70px;
    opacity: 0.35;
  }

  /* Enhance dots overlay */
  .hero-dots-overlay {
    background-size: 35px 35px;
    opacity: 0.5;
  }

  /* Keep energy waves for dynamics */
  .energy-wave {
    animation-duration: 7s;
  }

  /* Enhance light sweep for quality */
  .light-sweep-beam {
    animation-duration: 18s;
    opacity: 1;
  }

  /* Optimize depth layers */
  .depth-layer {
    animation-duration: 50s !important;
    opacity: 0.3;
  }

  /* Enhance reflections */
  .hero-reflections {
    opacity: 0.15;
  }

  /* Keep energy pulses for dynamics */
  .pulse {
    opacity: 0.8;
  }

  .pulse-4 {
    display: none;
  }

  /* Optimize lines animation */
  .hero-lines {
    opacity: 0.6;
    animation-duration: 35s;
  }

  /* Enhance pulse lines */
  .hero-pulse-lines {
    opacity: 0.4;
  }

  /* 新闻列表移动端优化 - 标题单行显示 */
  .news-box .news-list .news-item .news-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }
}

/* Extra small mobile devices */
@media (max-width: 480px) {
  .hero {
    min-height: 500px;
    padding: 60px 0 70px;
  }

  /* Keep quality but optimize further */
  .hero-diamonds,
  .hero-triangles {
    display: none;
  }

  /* Adjust orb sizes */
  .hero-orb-1 {
    width: 400px;
    height: 400px;
    filter: blur(90px);
  }

  .hero-orb-2 {
    width: 350px;
    height: 350px;
    filter: blur(90px);
  }

  .hero-orb-3 {
    width: 300px;
    height: 300px;
    filter: blur(90px);
  }

  /* Adjust luminous spheres */
  .luminous-sphere {
    filter: blur(60px);
  }

  .sphere-1 {
    width: 300px;
    height: 300px;
  }

  .sphere-2 {
    width: 270px;
    height: 270px;
  }

  .sphere-3 {
    width: 240px;
    height: 240px;
  }

  /* Adjust gradient mesh */
  .hero-gradient-mesh {
    filter: blur(80px);
  }

  .mesh-blob {
    animation-duration: 50s !important;
  }

  .blob-1 {
    width: 350px;
    height: 350px;
  }

  .blob-2 {
    width: 300px;
    height: 300px;
  }

  .blob-3 {
    width: 280px;
    height: 280px;
  }

  .blob-4 {
    width: 250px;
    height: 250px;
  }

  /* Adjust soft lights */
  .soft-light {
    filter: blur(45px);
  }

  .light-3,
  .light-4 {
    display: none;
  }

  /* Reduce particles slightly */
  .hero-particles span:nth-child(n+6) {
    display: none;
  }

  .hero-light-particles .light-particle:nth-child(n+4) {
    display: none;
  }

  .hero-stars .star:nth-child(n+5) {
    display: none;
  }

  /* Keep glass shards for texture */
  .glass-shard {
    opacity: 0.4;
  }

  .shard-2 {
    display: none;
  }

  /* Optimize energy waves */
  .wave-3 {
    display: none;
  }

  /* Keep depth layers for quality */
  .depth-layer {
    opacity: 0.25;
  }

  .layer-3 {
    display: none;
  }

  /* Optimize hero-stats for extra small screens */
  .hero-stats {
    gap: 5px !important;
    width: 100% !important;
    max-width: 260px !important;
    padding: 0 !important;
  }

  .hero-stat {
    height: 56px !important;
    padding: 7px 4px !important;
    border-radius: 10px !important;
  }

  .hero-stat-num {
    font-size: 17px !important;
    margin-bottom: 2px !important;
  }

  .hero-stat-label {
    font-size: 7.5px !important;
    padding: 0 2px !important;
  }
}

.hero .container {
  position: relative;
  z-index: 1;
  max-width: 1024px;
}

.hero-label {
  display: inline-block;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.007em;
  color: #f5f5f7;
  margin-bottom: 8px;
  animation: fadeInUp 0.8s cubic-bezier(0.28, 0.11, 0.32, 1) 0.2s forwards;
}

.hero h1 {
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 700;
  line-height: 1.0416666667;
  margin-bottom: 20px;
  letter-spacing: -0.009em;
  color: #f5f5f7;
  animation: fadeInUp 0.8s cubic-bezier(0.28, 0.11, 0.32, 1) 0.3s forwards;
}

.hero h1 em {
  background: linear-gradient(90deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-style: normal;
  font-weight: 700;
}

.hero p {
  font-size: 24px;
  color: #86868b;
  max-width: 820px;
  margin: 0 auto 36px;
  line-height: 1.3333333333;
  font-weight: 400;
  letter-spacing: 0.007em;
  animation: fadeInUp 0.8s cubic-bezier(0.28, 0.11, 0.32, 1) 0.4s forwards;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 72px;
  animation: fadeInUp 0.8s cubic-bezier(0.28, 0.11, 0.32, 1) 0.5s forwards;
}
.btn-hero-primary {
  background: #0071e3;
  color: #fff;
  font-weight: 400;
  padding: 14px 28px;
  border-radius: 980px;
  font-size: 17px;
  line-height: 1.17648;
  letter-spacing: -0.022em;
  transition: all 0.3s cubic-bezier(0.28, 0.11, 0.32, 1);
  box-shadow: 0 2px 8px rgba(0,113,227,0.25);
  min-width: 120px;
}

.btn-hero-primary:hover {
  background: #0077ed;
  color: #fff;
  transform: scale(1.01);
  box-shadow: 0 4px 16px rgba(0,113,227,0.35);
}

.btn-hero-outline {
  background: transparent;
  color: #2997ff;
  border: 1px solid rgba(41,151,255,0.4);
  padding: 14px 28px;
  border-radius: 980px;
  font-size: 17px;
  line-height: 1.17648;
  letter-spacing: -0.022em;
  transition: all 0.3s cubic-bezier(0.28, 0.11, 0.32, 1);
  min-width: 120px;
}

.btn-hero-outline:hover {
  background: rgba(41,151,255,0.1);
  color: #2997ff;
  border-color: rgba(41,151,255,0.6);
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: nowrap;
  max-width: 100%;
  animation: fadeInScale 0.8s cubic-bezier(0.28, 0.11, 0.32, 1) 0.6s forwards;
  margin: 0 auto;
}

.hero-stat {
  text-align: center;
  animation: fadeInUp 0.6s cubic-bezier(0.28, 0.11, 0.32, 1) forwards;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 20px 24px;
  transition: all 0.3s cubic-bezier(0.28, 0.11, 0.32, 1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  min-width: 120px;
  flex: 0 0 auto;
}

.hero-stat:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.12);
  transform: translateY(-2px);
}

.hero-stat:nth-child(1) {
  animation-delay: 0.7s;
}

.hero-stat:nth-child(2) {
  animation-delay: 0.75s;
}

.hero-stat:nth-child(3) {
  animation-delay: 0.8s;
}

.hero-stat:nth-child(4) {
  animation-delay: 0.85s;
}

.hero-stat-num {
  display: block;
  font-size: 40px;
  font-weight: 600;
  color: #f5f5f7;
  letter-spacing: -0.005em;
  line-height: 1.07143;
  margin-bottom: 4px;
}

.hero-stat-label {
  display: block;
  font-size: 12px;
  color: #86868b;
  font-weight: 400;
  letter-spacing: -0.016em;
  line-height: 1.42859;
}

.hero-stat-divider {
  display: none;
}

/* SECTIONS */
section {
  padding: 70px 0;
  position: relative;
  overflow: hidden;
  width: 100%;
}
section:not(.hero) { background: var(--bg); }
section:nth-child(even):not(.hero) { background: var(--bg2); }

/* 为不同板块添加独特背景 */
.sec-regions {
  background: linear-gradient(180deg, #ffffff 0%, #fbfbfd 100%);
  position: relative;
  overflow: hidden;
}
.sec-products {
  background: #f5f5f7;
  position: relative;
}
.sec-products::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,0.06) 50%, transparent);
}
.sec-advantages {
  background: linear-gradient(180deg, #fbfbfd 0%, #ffffff 100%);
}
.sec-scenarios {
  background: #ffffff;
}
.sec-pricing {
  background: #f5f5f7;
  position: relative;
  overflow: visible;
  padding-top: 70px;
  padding-bottom: 60px;
}
.sec-pricing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,0.06) 50%, transparent);
}
.sec-network {
  background: linear-gradient(180deg, #fbfbfd 0%, #f5f5f7 100%);
}
.sec-reviews {
  background: #ffffff;
}
.sec-articles {
  background: linear-gradient(180deg, #fbfbfd 0%, #f5f5f7 100%);
}

/* SECTION TITLE */
.section-title { text-align: center; margin-bottom: 48px; }
.section-title .label {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #bf4800;
  margin-bottom: 8px;
  text-transform: uppercase;
}
.section-title h2 {
  font-size: 40px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text);
}
.section-title p {
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1.6;
  letter-spacing: 0;
  font-weight: 400;
  max-width: 720px;
  margin: 0 auto;
}

/* CARD BASE — 优化可读性的卡片样式 */
.region-card, .product-card, .adv-item,
.scenario-card, .pricing-card, .network-item,
.review-card, .article-card {
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  background: #ffffff;
}

/* 移除过度装饰的光泽效果 */
.region-card::before, .product-card::before, .adv-item::before,
.scenario-card::before, .pricing-card::before, .network-item::before,
.review-card::before, .article-card::before {
  display: none;
}

/* REGIONS */
.regions-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.region-card {
  padding: 32px 28px 28px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(30px);
  -webkit-backdrop-filter: saturate(180%) blur(30px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.5);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}
.region-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 56px rgba(0,0,0,0.16), 0 8px 24px rgba(0,0,0,0.08);
  border-color: rgba(255, 255, 255, 0.28);
}
.region-card .flag { font-size: 20px; margin-bottom: 10px; display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: linear-gradient(135deg, rgba(0,113,227,0.08), rgba(0,113,227,0.02)); border-radius: 10px; line-height: 1; flex-shrink: 0; }
.region-card .card-header { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.region-card .card-header .flag { margin-bottom: 0; }
.region-card h3 {
  font-size: 21px;
  font-weight: 600;
  margin-bottom: 6px;
  color: #1d1d1f;
  letter-spacing: 0.011em;
  line-height: 1.19048;
}
.region-card .latency {
  font-size: 12px;
  color: #06c167;
  font-weight: 500;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.region-card p {
  font-size: 14px;
  color: #6e6e73;
  margin-bottom: 20px;
  line-height: 1.42859;
  letter-spacing: -0.016em;
  font-weight: 400;
  flex: 1;
}
.region-card .card-actions { display: flex; gap: 10px; margin-top: auto; }
.region-card .btn-primary.btn-sm {
  background: #0071e3;
  color: #fff;
  border: none;
  padding: 7px 16px;
  border-radius: 980px;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.region-card .btn-primary.btn-sm:hover { background: #0077ed; transform: scale(1.02); }
.region-card .btn-outline.btn-sm {
  background: transparent;
  color: #0071e3;
  border: 1px solid rgba(0,113,227,0.3);
  padding: 7px 16px;
  border-radius: 980px;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.region-card .btn-outline.btn-sm:hover { background: rgba(0,113,227,0.04); border-color: #0071e3; }

/* PRODUCTS — 优化后的产品卡片 */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.product-card {
  padding: 0;
  border-radius: 20px;
  overflow: hidden;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border: 1px solid rgba(0, 0, 0, 0.08);
}
.product-card:hover {
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
  transform: translateY(-3px);
  border-color: rgba(0, 113, 227, 0.3);
}
.product-card .icon {
  font-size: 48px;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100px;
  border-radius: 0;
  background: linear-gradient(135deg, #0071e3 0%, #0056b3 100%);
  transition: all 0.3s ease;
  position: relative;
}
.product-card .icon::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.08) 100%);
  pointer-events: none;
}
.product-card:hover .icon {
  background: linear-gradient(135deg, #0077ed 0%, #0061c7 100%);
}
.product-card .card-content {
  padding: 24px 26px 26px;
}
.product-card h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 10px;
  color: #1d1d1f;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.product-card p {
  color: #555555;
  font-size: 14px;
  margin-bottom: 16px;
  line-height: 1.6;
  letter-spacing: 0;
  font-weight: 400;
}
.product-card .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tag {
  background: rgba(0, 113, 227, 0.08);
  color: #0071e3;
  border: 1px solid rgba(0, 113, 227, 0.15);
  border-radius: 14px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0;
  transition: all 0.3s ease;
}
.tag:hover {
  background: rgba(0, 113, 227, 0.12);
  border-color: rgba(0, 113, 227, 0.25);
}

/* ADVANTAGES — 优化后的优势卡片 (WHY LUCKVM) */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.adv-item {
  padding: 36px 28px;
  text-align: center;
  border-radius: 20px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border: 1px solid rgba(0, 0, 0, 0.08);
}
.adv-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #0071e3 0%, #00a8ff 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.adv-item:hover::before {
  opacity: 1;
}
.adv-item:hover {
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
  border-color: rgba(0, 113, 227, 0.2);
  background: #ffffff;
}
.adv-item .icon {
  font-size: 52px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0,113,227,0.1), rgba(0,168,255,0.05));
  border: 2px solid rgba(0, 113, 227, 0.15);
  box-shadow: 0 4px 12px rgba(0,113,227,0.08);
  transition: all 0.3s ease;
  position: relative;
}
.adv-item .icon::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0071e3, #00a8ff);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.3s ease;
}
.adv-item:hover .icon {
  background: linear-gradient(135deg, rgba(0,113,227,0.15), rgba(0,168,255,0.08));
  transform: scale(1.08) rotate(-3deg);
  box-shadow: 0 6px 20px rgba(0,113,227,0.15);
  border-color: rgba(0, 113, 227, 0.25);
}
.adv-item:hover .icon::after {
  opacity: 0.08;
}
.adv-item h4 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 10px;
  color: #1d1d1f;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.adv-item p {
  font-size: 14px;
  color: #555555;
  line-height: 1.6;
  letter-spacing: 0;
  font-weight: 400;
}

/* SCENARIOS — 还原之前的场景卡片样式 */
.scenarios-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 20px; }
.scenario-card {
  padding: 32px 24px;
  text-align: center;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(30px);
  -webkit-backdrop-filter: saturate(180%) blur(30px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.5);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.scenario-card:hover {
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.20), 0 8px 24px rgba(0, 0, 0, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  transform: translateY(-6px) scale(1.02);
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.92);
}
.scenario-card .icon {
  font-size: 40px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin-left: auto;
  margin-right: auto;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0,113,227,0.08), rgba(0,113,227,0.02));
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.scenario-card:hover .icon {
  background: linear-gradient(135deg, rgba(0,113,227,0.15), rgba(0,113,227,0.05));
  transform: scale(1.1);
}
.scenario-card h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
  color: #1d1d1f;
  letter-spacing: -0.022em;
  line-height: 1.23536;
}
.scenario-card p {
  font-size: 12px;
  color: #6e6e73;
  line-height: 1.33337;
  letter-spacing: -0.01em;
  font-weight: 400;
}

/* PRICING PAGE REDESIGN */

/* Hero Section */
.pricing-hero {
  background: linear-gradient(135deg, #1a1a1c 0%, #2d2d2f 50%, #1a1a1c 100%);
  padding: 80px 0 100px;
  position: relative;
  overflow: hidden;
}

.pricing-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 0%, rgba(0, 113, 227, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.pricing-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-hero-title {
  font-size: 56px;
  font-weight: 700;
  color: #ffffff;
  margin: 16px 0 20px;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.pricing-hero-desc {
  font-size: 19px;
  color: #a1a1a6;
  line-height: 1.6;
  margin-bottom: 40px;
}

/* Billing Toggle */
.billing-toggle {
  display: inline-flex;
  gap: 12px;
  background: rgba(255, 255, 255, 0.05);
  padding: 6px;
  border-radius: 16px;
  margin-bottom: 32px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.billing-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 32px;
  border: none;
  border-radius: 12px;
  background: transparent;
  color: #a1a1a6;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.billing-btn.active {
  background: #0071e3;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 113, 227, 0.4);
}

.billing-label {
  font-size: 15px;
  font-weight: 600;
}

.billing-desc {
  font-size: 12px;
  opacity: 0.7;
}

.billing-badge {
  font-size: 12px;
  font-weight: 600;
  background: linear-gradient(135deg, #06c167 0%, #04a855 100%);
  color: #ffffff;
  padding: 2px 8px;
  border-radius: 6px;
}

/* Promo Tags */
.promo-tags {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.promo-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  color: #f5f5f7;
  font-size: 14px;
  font-weight: 500;
}

.promo-tag svg {
  color: #0071e3;
}

/* Region Selector */
.region-selector-section {
  background: #ffffff;
  padding: 60px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.region-selector-header {
  text-align: center;
  margin-bottom: 36px;
}

.region-selector-header h2 {
  font-size: 32px;
  font-weight: 700;
  color: #1d1d1f;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.region-selector-header p {
  font-size: 17px;
  color: #555555;
}

.region-selector {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  max-width: 1000px;
  margin: 0 auto;
}

.region-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 16px;
  background: #f5f5f7;
  border: 2px solid rgba(0, 0, 0, 0.06);
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.region-btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 113, 227, 0.15) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  transition: width 0.5s ease, height 0.5s ease;
}

.region-btn:hover {
  background: #ffffff;
  border-color: rgba(0, 113, 227, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.region-btn.active {
  background: linear-gradient(135deg, #0071e3 0%, #0077ed 100%);
  border-color: #0071e3;
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(0, 113, 227, 0.3);
}

.region-btn.active::after {
  width: 300px;
  height: 300px;
}

.region-icon {
  font-size: 32px;
}

.region-name {
  font-size: 15px;
  font-weight: 600;
  color: #1d1d1f;
}

.region-btn.active .region-name,
.region-btn.active .region-ping {
  color: #ffffff;
}

.region-ping {
  font-size: 12px;
  color: #86868b;
}

/* Pricing Section */
.pricing-section {
  padding: 80px 0;
  background: #ffffff;
}

.pricing-section-alt {
  background: #f5f5f7;
}

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

.section-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(0, 113, 227, 0.1);
  color: #0071e3;
  font-size: 13px;
  font-weight: 600;
  border-radius: 12px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: 44px;
  font-weight: 700;
  color: #1d1d1f;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.section-desc {
  font-size: 19px;
  color: #555555;
  line-height: 1.6;
  max-width: 700px;
  margin: 0 auto;
}
/* PRICING CARDS - SIMPLE & ELEGANT REDESIGN */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
  position: relative;
  overflow: visible;
  padding-top: 20px;
}

.pricing-card {
  padding: 28px 32px 26px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  overflow: visible;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08),
              0 2px 6px rgba(0, 0, 0, 0.04),
              inset 0 1px 0 rgba(255, 255, 255, 0.8);
  padding-top: 40px;
}

.pricing-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12),
              0 8px 16px rgba(0, 0, 0, 0.06),
              inset 0 1px 0 rgba(255, 255, 255, 0.9);
  border-color: rgba(0, 113, 227, 0.3);
}

.pricing-card.popular {
  background: linear-gradient(135deg, rgba(88, 86, 214, 0.95) 0%, rgba(139, 92, 246, 0.95) 100%);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  transform: scale(1.05);
  box-shadow: 0 8px 32px rgba(88, 86, 214, 0.4),
              0 4px 16px rgba(139, 92, 246, 0.25),
              inset 0 1px 1px rgba(255, 255, 255, 0.25);
}

.pricing-card.popular:hover {
  transform: translateY(-6px) scale(1.05);
  background: linear-gradient(135deg, rgba(88, 86, 214, 0.98) 0%, rgba(139, 92, 246, 0.98) 100%);
  box-shadow: 0 20px 48px rgba(88, 86, 214, 0.45),
              0 10px 24px rgba(139, 92, 246, 0.3),
              inset 0 1px 1px rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.45);
}

.popular-badge {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
  color: #ffffff;
  font-size: 10px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 14px;
  white-space: nowrap;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.45),
              0 2px 4px rgba(0, 0, 0, 0.15);
  z-index: 2;
  border: 2px solid #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.pricing-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #1d1d1f;
  margin: 0 0 16px 0;
  letter-spacing: -0.01em;
  text-align: center;
}

.pricing-card.popular h3 {
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}

.pricing-card .price {
  font-size: 42px;
  font-weight: 700;
  color: #0071e3;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  text-align: center;
  display: flex;
  align-items: baseline;
  justify-content: center;
  line-height: 1;
}

.pricing-card.popular .price {
  color: #ffffff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.pricing-card .price span {
  font-size: 15px;
  font-weight: 500;
  color: #6e6e73;
  margin-left: 2px;
}

.pricing-card.popular .price span {
  color: rgba(255, 255, 255, 0.85);
}

.pricing-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
  flex: 1;
}

.pricing-card ul li {
  padding: 9px 0;
  font-size: 14px;
  color: #1d1d1f;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  display: flex;
  align-items: center;
  font-weight: 500;
}

.pricing-card ul li:last-child {
  border-bottom: none;
}

.pricing-card ul li::before {
  content: '✓';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 17px;
  background: linear-gradient(135deg, #34c759 0%, #28a745 100%);
  color: #ffffff;
  border-radius: 50%;
  margin-right: 10px;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 2px 4px rgba(52, 199, 89, 0.3);
}

.pricing-card.popular ul li {
  color: rgba(255, 255, 255, 0.95);
  border-bottom-color: rgba(255, 255, 255, 0.15);
}

.pricing-card.popular ul li::before {
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2),
              inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.pricing-card .btn {
  width: 100%;
  justify-content: center;
  padding: 13px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 14px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border: 2px solid transparent;
}

.pricing-card .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.pricing-card .btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.pricing-card .btn-outline {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #0071e3;
  border: 2px solid rgba(0, 113, 227, 0.3);
  box-shadow: 0 4px 12px rgba(0, 113, 227, 0.15),
              inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.pricing-card .btn-outline:hover {
  background: #0071e3;
  color: #ffffff;
  border-color: #0071e3;
  box-shadow: 0 6px 16px rgba(0, 113, 227, 0.3);
}

.pricing-card.popular .btn-primary {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #0071e3;
  border: 2px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 4px 16px rgba(255, 255, 255, 0.35),
              0 2px 6px rgba(0, 0, 0, 0.1),
              inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.pricing-card.popular .btn-primary:hover {
  background: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.45),
              0 3px 10px rgba(0, 0, 0, 0.15);
}


.card-header {
  margin-bottom: 32px;
}
  font-weight: 400;
}

.pricing-card.popular .card-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

.card-price {
  margin-bottom: 8px;
}

.price-currency {
  font-size: 24px;
  font-weight: 600;
  color: #1d1d1f;
  vertical-align: top;
}

.pricing-card.popular .price-currency {
  color: #ffffff;
}

.price-amount {
  font-size: 56px;
  font-weight: 700;
  color: #1d1d1f;
  letter-spacing: -0.03em;
  line-height: 1;
}

.pricing-card.popular .price-amount {
  color: #ffffff;
}

.price-period {
  font-size: 18px;
  color: #86868b;
  font-weight: 500;
  margin-left: 4px;
}

.pricing-card.popular .price-period {
  color: rgba(255, 255, 255, 0.8);
}

.price-custom {
  font-size: 32px;
  font-weight: 700;
  color: #1d1d1f;
  letter-spacing: -0.02em;
}

.pricing-card.popular .price-custom {
  color: #ffffff;
}

.price-note {
  font-size: 13px;
  color: #06c167;
  font-weight: 500;
  margin-bottom: 32px;
}

.pricing-card.popular .price-note {
  color: rgba(255, 255, 255, 0.9);
}

.card-features {
  list-style: none;
  padding: 0;
  margin: 0 0 40px 0;
  flex: 1;
}

.card-features li {
  font-size: 15px;
  color: #555555;
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  line-height: 1.6;
}

.pricing-card.popular .card-features li {
  color: rgba(255, 255, 255, 0.95);
}

.card-features li::before {
  content: "✓";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #06c167;
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-card.popular .card-features li::before {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

.card-features li strong {
  font-weight: 600;
  color: #1d1d1f;
}

.pricing-card.popular .card-features li strong {
  color: #ffffff;
}

.card-btn {
  display: block;
  width: 100%;
  padding: 16px 28px;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  letter-spacing: -0.01em;
}

.btn-outline {
  background: #f5f5f7;
  color: #1d1d1f;
  border: 1.5px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.btn-outline:hover {
  background: #1d1d1f;
  color: #ffffff;
  border-color: #1d1d1f;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.btn-primary {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15),
              inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  background: #ffffff;
  color: #0071e3;
  border-color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.3);
}

.pricing-card:hover::before {
  opacity: 1;
}


.pricing-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #86868b;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.pricing-card.popular h3 {
  color: #efefef;
}

.pricing-card .price {
  font-size: 56px;
  font-weight: 700;
  color: var(--text);
  margin: 16px 0 24px;
  letter-spacing: -0.03em;
  line-height: 1;
  background: linear-gradient(135deg, #1d1d1f 0%, #4a4a4a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pricing-card.popular .price {
  background: linear-gradient(135deg, #f1f1f1 0%, #f1f1f1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pricing-card .price span {
  font-size: 18px;
  color: #86868b;
  font-weight: 500;
  letter-spacing: 0;
}

.pricing-card.popular .price span {
  color: #a1a1a6;
}

.pricing-card ul {
  list-style: none;
  margin-bottom: 28px;
}

.pricing-card ul li {
  font-size: 15px;
  color: var(--text);
  padding: 14px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: 0;
  font-weight: 400;
  line-height: 1.5;
  transition: padding-left 0.3s ease;
}

.pricing-card ul li:hover {
  padding-left: 4px;
}

.pricing-card.popular ul li {
  color: #f5f5f7;
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.pricing-card ul li::before {
  content: "✓";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #06c167 0%, #04a855 100%);
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(6, 193, 103, 0.3);
}

.pricing-card .btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid rgba(0, 113, 227, 0.2);
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pricing-card .btn-outline:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 113, 227, 0.3);
}

.pricing-card .btn-primary {
  background: linear-gradient(135deg, #0071e3 0%, #0077ed 100%);
  color: #fff;
  border: none;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 113, 227, 0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pricing-card .btn-primary:hover {
  background: linear-gradient(135deg, #0077ed 0%, #0081ff 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 113, 227, 0.4);
}

/* 地区选择器 */
.region-filter-btn {
  transition: all 0.3s ease;
}
.region-filter-btn:hover {
  background: #e8e8ed !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.region-filter-btn.active {
  background: #0071e3 !important;
  color: #fff !important;
  border-color: #0071e3 !important;
  box-shadow: 0 4px 12px rgba(0,113,227,0.3);
}

/* 价格卡片切换动画 - 全新设计 */
.pricing-grid {
  position: relative;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.pricing-card {
  opacity: 1;
  transform: translateY(0) rotateY(0deg) scale(1);
  transition: all 0.5s cubic-bezier(0.34, 1.26, 0.64, 1);
  will-change: opacity, transform;
  transform-origin: center center;
}

/* 淡出动画 - 3D翻转退出 */
.pricing-card.hiding {
  opacity: 0;
  transform: translateY(-30px) rotateX(-15deg) scale(0.9);
  transition: all 0.4s cubic-bezier(0.55, 0.085, 0.68, 0.53);
}

/* 完全隐藏 */
.pricing-card.hidden {
  opacity: 0;
  transform: translateY(-30px) rotateX(-15deg) scale(0.9);
  pointer-events: none;
  position: absolute;
  visibility: hidden;
  height: 0;
  overflow: hidden;
}

/* 淡入动画 - 3D翻转进入 */
.pricing-card.showing {
  animation: card3DEnter 0.7s cubic-bezier(0.34, 1.26, 0.64, 1) forwards;
}

.pricing-card.show {
  opacity: 1;
  transform: translateY(0) rotateY(0deg) scale(1);
}

@keyframes card3DEnter {
  0% {
    opacity: 0;
    transform: translateY(50px) rotateX(20deg) scale(0.85);
  }
  40% {
    opacity: 0.5;
    transform: translateY(10px) rotateX(5deg) scale(0.95);
  }
  70% {
    opacity: 0.9;
    transform: translateY(-5px) rotateX(-2deg) scale(1.02);
  }
  85% {
    transform: translateY(2px) rotateX(0deg) scale(0.99);
  }
  100% {
    opacity: 1;
    transform: translateY(0) rotateX(0deg) scale(1);
  }
}

/* 卡片交错动画延迟 */
.pricing-card:nth-child(1).showing {
  animation-delay: 0s;
}
.pricing-card:nth-child(2).showing {
  animation-delay: 0.1s;
}
.pricing-card:nth-child(3).showing {
  animation-delay: 0.2s;
}
.pricing-card:nth-child(4).showing {
  animation-delay: 0.3s;
}

/* 备用动画方案 - 滑动进入 */
@keyframes cardSlideIn {
  0% {
    opacity: 0;
    transform: translateX(-60px) scale(0.9);
  }
  60% {
    opacity: 0.8;
    transform: translateX(10px) scale(1.02);
  }
  100% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

/* 波浪式进入效果 */
@keyframes cardWaveIn {
  0% {
    opacity: 0;
    transform: translateY(60px) scale(0.8) rotate(-5deg);
  }
  50% {
    opacity: 0.7;
    transform: translateY(-10px) scale(1.05) rotate(2deg);
  }
  75% {
    transform: translateY(5px) scale(0.98) rotate(-1deg);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1) rotate(0deg);
  }
}

/* 空状态提示 - 重新设计 */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 40px;
  background: linear-gradient(135deg, #f9f9fb 0%, #ffffff 100%);
  border-radius: 24px;
  border: 2px dashed rgba(0, 113, 227, 0.15);
  opacity: 0;
  transform: translateY(40px) scale(0.95);
  transition: all 0.6s cubic-bezier(0.34, 1.26, 0.64, 1);
  position: relative;
  overflow: hidden;
}

.empty-state::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 113, 227, 0.05) 0%, transparent 70%);
  animation: rotateGradient 10s linear infinite;
}

@keyframes rotateGradient {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.empty-state.show {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.empty-state-icon {
  font-size: 72px;
  margin-bottom: 20px;
  opacity: 0.7;
  animation: floatIcon 3s ease-in-out infinite;
  position: relative;
  z-index: 1;
}

@keyframes floatIcon {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  25% {
    transform: translateY(-8px) rotate(-5deg);
  }
  75% {
    transform: translateY(-8px) rotate(5deg);
  }
}

.empty-state h3 {
  font-size: 28px;
  font-weight: 700;
  color: #1d1d1f;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.empty-state p {
  font-size: 17px;
  color: #555555;
  margin-bottom: 32px;
  line-height: 1.6;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

.empty-state .btn {
  display: inline-block;
  margin: 0 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  z-index: 1;
}

/* 加载过渡效果 */
.pricing-grid.transitioning {
  pointer-events: none;
}

/* 地区按钮波纹效果 - 增强版 */
.region-filter-btn {
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.region-filter-btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 113, 227, 0.3) 0%, rgba(0, 113, 227, 0.1) 100%);
  transform: translate(-50%, -50%);
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              height 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.6s ease;
  opacity: 0;
}

.region-filter-btn.active::after {
  width: 250px;
  height: 250px;
  opacity: 1;
}

.region-filter-btn:active {
  transform: scale(0.96);
}

.region-filter-btn:active::after {
  width: 250px;
  height: 250px;
  opacity: 0.7;
  transition: width 0s, height 0s, opacity 0.3s;
}

/* FAQ 常见问题 */
.sec-faq {
  background: #ffffff;
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 16px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}
.faq-item:hover {
  border-color: rgba(0, 0, 0, 0.15);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
.faq-question {
  padding: 24px 28px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}
.faq-question h3 {
  font-size: 17px;
  font-weight: 600;
  color: #1d1d1f;
  margin: 0;
  letter-spacing: 0;
}
.faq-icon {
  font-size: 24px;
  color: #555555;
  font-weight: 300;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 28px 24px;
}
.faq-answer p {
  font-size: 15px;
  line-height: 1.6;
  color: #555555;
  margin: 0;
}

/* NETWORK — 苹果风格网络卡片 */
.network-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 24px; }
.network-item {
  padding: 36px 32px;
  text-align: center;
  border-radius: 20px;
}
.network-item:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
  border-color: rgba(0, 0, 0, 0.15);
}
.network-item h4 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #1d1d1f;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.network-item p {
  font-size: 15px;
  color: #555555;
  line-height: 1.6;
  letter-spacing: 0;
  font-weight: 400;
}

/* REVIEWS — 苹果风格评价卡片 */
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.review-card {
  padding: 36px 32px;
  border-radius: 20px;
}
.review-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  transform: translateY(-6px) scale(1.01);
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.92);
}
.review-card .stars {
  color: #f5a623;
  margin-bottom: 16px;
  font-size: 16px;
  letter-spacing: 2px;
}
.review-card p {
  font-size: 16px;
  color: #1d1d1f;
  margin-bottom: 16px;
  line-height: 1.6;
  font-style: normal;
  letter-spacing: 0;
  font-weight: 400;
}
.review-card .author {
  font-size: 14px;
  font-weight: 400;
  color: #555555;
  letter-spacing: 0;
}

/* ARTICLES — 苹果风格文章卡片 */
.articles-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.article-card {
  padding: 32px 28px;
  display: block;
  color: inherit;
  border-radius: 20px;
}
.article-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
  border-color: rgba(0, 0, 0, 0.15);
  text-decoration: none;
  color: inherit;
}
.article-card .cat {
  font-size: 12px;
  color: #fff;
  background: linear-gradient(135deg, #0071e3, #0077ed);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  font-weight: 600;
  display: inline-block;
  padding: 5px 12px;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,113,227,0.25);
}
.article-card h4 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #1d1d1f;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.article-card p {
  font-size: 15px;
  color: #555555;
  line-height: 1.6;
  letter-spacing: 0;
  font-weight: 400;
}

/* FAQ — 苹果风格常见问题板块 */
.sec-faq {
  background: linear-gradient(180deg, #f5f5f7 0%, #ffffff 100%);
  position: relative;
}
.sec-faq::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,0.06) 50%, transparent);
}
.faq-list {
  max-width: 920px;
  margin: 0 auto;
}
.faq-item {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 16px;
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  position: relative;
}
.faq-item::before {
  display: none;
}
.faq-item:hover {
  box-shadow:
    0 4px 16px rgba(0, 0, 0, 0.12),
    0 8px 24px rgba(0, 0, 0, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.92);
}
.faq-item:hover::before {
  opacity: 1;
}
.faq-question {
  padding: 24px 28px;
  cursor: pointer;
  position: relative;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.faq-question:hover {
  background: rgba(0, 113, 227, 0.02);
}
.faq-question h3 {
  font-size: 18px;
  font-weight: 600;
  color: #1d1d1f;
  margin: 0;
  letter-spacing: -0.01em;
  line-height: 1.4;
  transition: color 0.3s ease;
  flex: 1;
}
.faq-icon {
  font-size: 28px;
  font-weight: 300;
  color: #86868b;
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 20px;
  line-height: 1;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.04);
}
.faq-item.active .faq-question h3 {
  color: #0071e3;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: #fff;
  background: linear-gradient(135deg, #0071e3, #0077ed);
  box-shadow: 0 2px 8px rgba(0, 113, 227, 0.3);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease, opacity 0.3s ease;
  opacity: 0;
}
.faq-item.active .faq-answer {
  max-height: 600px;
  padding: 0 28px 24px 28px;
  opacity: 1;
}
.faq-item p {
  font-size: 16px;
  color: #555555;
  line-height: 1.6;
  letter-spacing: 0;
  font-weight: 400;
  margin: 0;
}

/* FOOTER */
footer {
  background: linear-gradient(180deg, #1d1d1f 0%, #161617 100%);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 80px 0 32px;
  width: 100%;
  overflow: hidden;
  margin: 0;
}
.footer-brand p {
  font-size: 14px;
  color: #a1a1a6;
  margin-top: 12px;
  max-width: 280px;
  line-height: 1.42859;
  letter-spacing: -0.016em;
  font-weight: 400;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 48px;
  margin-bottom: 48px;
}
.logo-footer {
  font-size: 21px;
  font-weight: 600;
  color: #f5f5f7;
  letter-spacing: -0.5px;
}
.logo-footer span { color: #0071e3; }
.footer-col h5 {
  font-size: 12px;
  font-weight: 600;
  color: #f5f5f7;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: #a1a1a6;
  margin-bottom: 10px;
  transition: color 0.3s var(--transition);
  letter-spacing: -0.016em;
  font-weight: 400;
}
.footer-col a:hover { color: #2997ff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  font-size: 12px;
  color: #86868b;
  letter-spacing: -0.01em;
  font-weight: 400;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 24px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 101;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: #f5f5f7;
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 移动端菜单 */
.mobile-menu {
  position: fixed;
  top: 48px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  display: none;
}

@media (max-width: 768px) {
  .mobile-menu {
    display: block;
  }
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-menu-content {
  padding: 20px 22px;
}

.mobile-menu-content > a {
  display: block;
  color: #f5f5f7;
  font-size: 17px;
  font-weight: 400;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: opacity 0.2s ease;
}

.mobile-menu-content > a:hover {
  opacity: 0.7;
}

.mobile-dropdown {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-dropdown-toggle {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  border: none;
  color: #f5f5f7;
  font-size: 17px;
  font-weight: 400;
  padding: 14px 0;
  cursor: pointer;
  text-align: left;
}

.mobile-dropdown-toggle::after {
  content: '+';
  font-size: 20px;
  font-weight: 300;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-dropdown.active .mobile-dropdown-toggle::after {
  content: '−';
}

.mobile-dropdown-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-dropdown.active .mobile-dropdown-menu {
  max-height: 300px;
}

.mobile-dropdown-menu a {
  display: block;
  color: #a1a1a6;
  font-size: 15px;
  padding: 10px 0 10px 16px;
  transition: color 0.2s ease;
}

.mobile-dropdown-menu a:hover {
  color: #f5f5f7;
}

.mobile-menu-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu-actions .btn {
  flex: 1;
  text-align: center;
  padding: 10px 20px;
  font-size: 15px;
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-actions { display: none; }
  .mobile-menu-toggle { display: flex; }
  .logo { font-size: 18px; }

  /* 移动端页脚 - 苹果风格，缩减空白 */
  footer {
    padding: 24px 0 16px;
    background: linear-gradient(180deg, #1d1d1f 0%, #161617 100%);
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 0;
    margin-bottom: 16px;
  }
  .footer-brand {
    text-align: left;
    padding: 0 0 16px 0;
    border-bottom: none;
    order: 5;
  }
  .footer-brand .logo {
    font-size: 19px;
    margin-bottom: 6px;
    display: block;
    color: #f5f5f7;
  }
  .footer-brand p {
    max-width: 100%;
    margin: 0;
    font-size: 11px;
    line-height: 1.36364;
    color: #86868b;
  }
  .footer-col {
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding: 0;
  }
  .footer-col h5 {
    font-size: 12px;
    margin: 0;
    padding: 10px 0;
    color: #f5f5f7;
    font-weight: 600;
    letter-spacing: -0.01em;
    cursor: pointer;
    position: relative;
  }
  .footer-col h5::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    font-weight: 300;
    color: #86868b;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .footer-col.expanded h5::after {
    content: '−';
    transform: translateY(-50%) rotate(0deg);
  }
  .footer-col a {
    display: block;
    margin: 0;
    font-size: 12px;
    padding: 0;
    color: #a1a1a6;
    line-height: 1.33337;
    letter-spacing: -0.01em;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                padding 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .footer-col.expanded a {
    max-height: 50px;
    opacity: 1;
    padding: 8px 0;
  }
  .footer-col a:first-of-type {
    padding-top: 0;
  }
  .footer-col.expanded a:first-of-type {
    padding-top: 4px;
  }
  .footer-col a:last-of-type {
    padding-bottom: 0;
  }
  .footer-col.expanded a:last-of-type {
    padding-bottom: 10px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: left;
    gap: 4px;
    padding-top: 12px;
    margin-top: 0;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  .footer-bottom p {
    font-size: 11px;
    line-height: 1.36364;
    color: #86868b;
    letter-spacing: -0.01em;
  }
  .footer-bottom p:first-child {
    margin-bottom: 4px;
  }

  /* Banner 移动端优化 - 大幅缩减高度 */
  .hero {
    padding: 32px 0 36px;
    min-height: auto;
  }
  .hero-label {
    font-size: 11px;
    margin-bottom: 6px;
  }
  .hero h1 {
    font-size: 28px;
    margin-bottom: 8px;
    line-height: 1.07143;
  }
  .hero p {
    font-size: 15px;
    margin-bottom: 20px;
    line-height: 1.46667;
  }
  .hero-cta {
    margin-bottom: 32px;
    gap: 10px;
    flex-direction: column;
    align-items: center;
  }
  .btn-hero-primary,
  .btn-hero-outline {
    padding: 10px 20px;
    font-size: 15px;
    width: 100%;
    max-width: 280px;
  }
  .hero .container {
    padding: 0 12px;
  }

  /* 小屏幕移动端统计数据 - 横向一排优化 */
  .hero-stats {
    gap: 3px;
    padding: 0;
  }

  .hero-stat {
    height: 54px;
    min-width: 0 !important;
    padding: 6px 3px;
    border-radius: 8px;
  }

  .hero-stat-divider {
    display: none !important;
  }

  .hero-stat-num {
    font-size: 15px;
    margin-bottom: 2px;
    letter-spacing: -0.02em;
  }

  .hero-stat-label {
    font-size: 7.5px;
    line-height: 1.2;
    padding: 0 1px;
  }

  /* 内容板块移动端优化 - 缩减间距 */
  section {
    padding: 36px 0;
  }

  /* 产品板块移动端 - 柔和光晕背景，衬托毛玻璃卡片 */
  .sec-products {
    background:
      radial-gradient(circle at 15% 20%, rgba(0, 113, 227, 0.14), transparent 55%),
      radial-gradient(circle at 85% 80%, rgba(88, 86, 214, 0.12), transparent 55%),
      linear-gradient(180deg, #f5f5f7 0%, #eef0f4 100%);
  }
  .section-title {
    margin-bottom: 24px;
  }
  .section-title .label {
    font-size: 11px;
    margin-bottom: 4px;
  }
  .section-title h2 {
    font-size: 24px;
    line-height: 1.16667;
    margin-bottom: 6px;
  }
  .section-title p {
    font-size: 15px;
    line-height: 1.46667;
  }

  /* 热门地区板块特殊处理 */
  .sec-regions .section-title {
    padding: 0 20px;
  }

  /* 滑动提示指示器 */
  .sec-regions::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: 36px;
    width: 32px;
    height: 240px;
    background: linear-gradient(90deg, rgba(251,251,253,0) 0%, rgba(251,251,253,0.92) 100%);
    pointer-events: none;
    z-index: 1;
  }

  /* 卡片网格移动端优化 - 只显示前3个 */
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .pricing-grid > *:nth-child(n+4) {
    display: none;
  }
  .adv-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .regions-grid {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 14px;
    scroll-snap-type: x mandatory;
    scroll-padding-left: 32px;
    scroll-padding-right: 32px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 8px 32px 20px 32px;
    margin: 0 -20px;
    position: relative;
    overflow-anchor: none;
  }
  .regions-grid::-webkit-scrollbar {
    display: none;
  }
  .regions-grid > * {
    flex: 0 0 calc(100vw - 88px);
    max-width: 300px;
    scroll-snap-align: center;
    scroll-snap-stop: always;
  }
  /* 第一个卡片左边距 */
  .regions-grid > *:first-child {
    margin-left: 0;
  }
  /* 最后一个卡片右边距 */
  .regions-grid > *:last-child {
    margin-right: 0;
  }
  .products-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* PRODUCTS 移动端优化 - 融合设计 */
  .product-card {
    border-radius: 20px;
    padding: 24px 20px 20px;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
  }

  .product-card .icon {
    width: 64px;
    height: 64px;
    font-size: 36px;
    border-radius: 16px;
    margin-bottom: 16px;
    background: linear-gradient(135deg, rgba(0,113,227,0.1), rgba(0,168,255,0.05));
    border: 2px solid rgba(0, 113, 227, 0.15);
    box-shadow: 0 4px 12px rgba(0,113,227,0.08);
  }

  .product-card .icon::after {
    display: none;
  }

  .product-card:hover .icon {
    background: linear-gradient(135deg, rgba(0,113,227,0.15), rgba(0,168,255,0.08));
  }

  .product-card .card-content {
    padding: 0;
  }

  .product-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    line-height: 1.3;
  }

  .product-card p {
    font-size: 14px;
    margin-bottom: 14px;
    line-height: 1.6;
  }

  .product-card .tags {
    gap: 6px;
    margin-top: 12px;
  }

  .tag {
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 12px;
  }

  .products-grid > *:nth-child(n+4) {
    display: none;
  }
  .scenarios-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .scenarios-grid > *:nth-child(n+5) {
    display: none;
  }
  .network-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .network-grid > *:nth-child(n+4) {
    display: none;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .reviews-grid > *:nth-child(n+3) {
    display: none;
  }
  .articles-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .articles-grid > *:nth-child(n+3) {
    display: none;
  }

  /* 卡片内容移动端优化 - 苹果风格精致重构 */

  /* 区域卡片 - 横滑展示 */
  .region-card {
    padding: 22px 20px 20px;
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-radius: 16px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.04), 0 0 0 1.5px rgba(0,113,227,0.13);
    border: 1px solid rgba(0,113,227,0.18);
    transform: scale(0.94);
    opacity: 0.72;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                background 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .region-card.is-active {
    transform: scale(1);
    opacity: 1;
    background: rgba(255, 255, 255, 0.96);
    border-color: rgba(0, 113, 227, 0.28);
    box-shadow: 0 12px 36px rgba(0, 113, 227, 0.14),
                0 4px 12px rgba(0, 0, 0, 0.06);
  }
  .region-card.is-active .flag {
    background: linear-gradient(135deg, rgba(0,113,227,0.16), rgba(0,113,227,0.04));
  }
  .region-card .flag {
    font-size: 22px;
    margin-bottom: 10px;
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0,113,227,0.08), rgba(0,113,227,0.02));
    border-radius: 10px;
    line-height: 1;
  }
  .region-card .card-header { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
  .region-card .card-header .flag { margin-bottom: 0; }
  .region-card h3 {
    font-size: 18px;
    margin-bottom: 4px;
  }
  .region-card .latency {
    font-size: 11px;
    margin-bottom: 8px;
  }
  .region-card p {
    font-size: 13px;
    margin-bottom: 16px;
    line-height: 1.46;
  }
  .region-card .btn-primary.btn-sm,
  .region-card .btn-outline.btn-sm {
    padding: 7px 14px;
    font-size: 12px;
  }

  /* 产品卡片 - 横排布局：图标左 / 内容右 */
  .product-card {
    padding: 20px 18px;
    display: grid;
    grid-template-columns: 56px 1fr;
    grid-template-rows: auto auto auto;
    column-gap: 14px;
    row-gap: 6px;
    align-items: start;
    background: rgba(255, 255, 255, 0.62);
    backdrop-filter: saturate(180%) blur(24px);
    -webkit-backdrop-filter: saturate(180%) blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 28px rgba(31, 38, 135, 0.08),
                inset 0 1px 0 rgba(255, 255, 255, 0.6);
  }
  .product-card .icon {
    grid-row: 1 / span 2;
    grid-column: 1;
    width: 56px;
    height: 56px;
    margin: 0;
    font-size: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0,113,227,0.1), rgba(0,113,227,0.03));
    border-radius: 16px;
    align-self: center;
  }
  .product-card h3 {
    grid-row: 1;
    grid-column: 2;
    font-size: 17px;
    margin-bottom: 0;
    line-height: 1.2;
  }
  .product-card p {
    grid-row: 2;
    grid-column: 2;
    font-size: 13px;
    margin-bottom: 0;
    line-height: 1.46;
    color: #6e6e73;
  }
  .product-card .tags {
    grid-row: 3;
    grid-column: 1 / span 2;
    margin-top: 10px;
    gap: 6px;
  }
  .product-card .tag {
    padding: 3px 9px;
    font-size: 11px;
  }

  /* 优势卡片 - 2列居中卡片，紧凑展示全部6项 */
  .adv-item {
    padding: 20px 14px 18px;
    text-align: center;
    border-radius: 16px;
  }
  .adv-item .icon {
    width: 44px;
    height: 44px;
    margin: 0 auto 10px;
    font-size: 22px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(0,113,227,0.1), rgba(0,113,227,0.03));
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .adv-item h4 {
    font-size: 14px;
    margin-bottom: 4px;
    line-height: 1.25;
    letter-spacing: -0.01em;
  }
  .adv-item p {
    font-size: 11px;
    line-height: 1.4;
    color: #6e6e73;
  }

  /* 场景卡片 - 2列网格，紧凑居中 */
  .scenario-card {
    padding: 18px 12px 16px;
    border-radius: 14px;
  }
  .scenario-card .icon {
    width: 44px;
    height: 44px;
    margin: 0 auto 10px;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0,113,227,0.08), rgba(0,113,227,0.02));
    border-radius: 12px;
  }
  .scenario-card h4 {
    font-size: 14px;
    margin-bottom: 4px;
    line-height: 1.25;
  }
  .scenario-card p {
    font-size: 11px;
    line-height: 1.36;
  }

  /* 价格卡片 */
  .pricing-card {
    padding: 24px 20px;
  }
  .pricing-card.popular {
    padding-top: 32px;
  }
  .pricing-card h3 {
    font-size: 15px;
  }
  .pricing-card .price {
    font-size: 40px;
  }
  .pricing-card ul li {
    font-size: 13px;
  }

  /* 网络架构卡片 */
  .network-item {
    padding: 18px 18px;
  }
  .network-item h4 {
    font-size: 15px;
    margin-bottom: 4px;
  }
  .network-item p {
    font-size: 12px;
    line-height: 1.46;
  }

  /* 客户评价卡片 */
  .review-card {
    padding: 20px 18px;
  }
  .review-card .stars {
    font-size: 13px;
    margin-bottom: 10px;
    letter-spacing: 1.5px;
  }
  .review-card p {
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 10px;
  }
  .review-card .author {
    font-size: 12px;
  }

  /* 文章卡片 */
  .article-card {
    padding: 18px 18px;
  }
  .article-card .cat {
    font-size: 11px;
    margin-bottom: 6px;
    letter-spacing: 0.5px;
  }
  .article-card h4 {
    font-size: 15px;
    margin-bottom: 6px;
    line-height: 1.25;
  }
  .article-card p {
    font-size: 12px;
    line-height: 1.46;
  }

  /* FAQ 移动端优化 */
  .faq-list {
    max-width: 100%;
  }
  .faq-item {
    margin-bottom: 12px;
    border-radius: 16px;
  }
  .faq-question {
    padding: 18px 20px;
  }
  .faq-question h3 {
    font-size: 15px;
    line-height: 1.33333;
    letter-spacing: -0.016em;
  }
  .faq-icon {
    font-size: 24px;
    margin-left: 12px;
  }
  .faq-item.active .faq-answer {
    max-height: 600px;
    padding: 0 20px 18px 20px;
  }
  .faq-answer p {
    font-size: 14px;
    line-height: 1.5;
    letter-spacing: -0.016em;
  }
}

/* ========================================
   HERO ANIMATIONS - 科技感首次加载动画
   ======================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes heroGlow {
  0% {
    opacity: 0;
    transform: translateX(-50%) scale(0.8);
  }
  100% {
    opacity: 1;
    transform: translateX(-50%) scale(1);
  }
}

@keyframes numberGlow {
  0%, 100% {
    text-shadow: none;
  }
  50% {
    text-shadow: 0 0 20px rgba(0, 113, 227, 0.6);
  }
}

@keyframes numberGlow {
  0%, 100% {
    text-shadow: none;
  }
  50% {
    text-shadow: 0 0 20px rgba(0, 113, 227, 0.6);
  }
}


/* 极小屏幕优化 (320px - 360px) */
@media (max-width: 360px) {
  .hero .container {
    padding: 0 10px;
  }

  .hero-stats {
    gap: 3px;
  }

  .hero-stat {
    height: 50px;
    min-width: 0 !important;
    padding: 5px 2px;
    border-radius: 7px;
  }

  .hero-stat-num {
    font-size: 14px;
    margin-bottom: 2px;
  }

  .hero-stat-label {
    font-size: 7px;
    line-height: 1.1;
    padding: 0 1px;
  }
}

/* ========================================
   新闻列表移动端优化 - 标题单行显示
   ======================================== */
@media (max-width: 768px) {
  /* 新闻卡片标题单行显示 */
  .news-card h3,
  .news-card .title,
  .news-card .news-title,
  .news-item .title,
  .news-item h3,
  .news-item .news-title,
  .article-card h3,
  .article-card .title,
  .post-card h3,
  .post-card .title,
  .card h3,
  .card .title {
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    display: block !important;
    max-width: 100% !important;
  }

  /* 如果使用了 news-box 结构 */
  .news-box .news-list .news-item .news-text {
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    max-width: 100% !important;
    display: block !important;
  }

  .news-box .news-list .news-item a {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
  }

  .news-box .news-list .news-item .news-time {
    float: none !important;
    flex-shrink: 0 !important;
    margin-left: 8px !important;
  }
}

/* ========================================
   SEO内容扩展区样式 - 简洁统一设计
   仅影响 .sec-content-seo 内的元素
   ======================================== */

.sec-content-seo {
  background: #f8f9fa;
  padding: 80px 0;
  position: relative;
}

/* SEO内容容器 */
.sec-content-seo .container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 22px;
}

/* 内容卡片 - 简洁设计 */
.sec-content-seo .pp-seo-content {
  background: #ffffff;
  border-radius: 12px;
  padding: 50px 60px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  position: relative;
  border: 1px solid #e5e7eb;
}

/* 主标题样式 */
.sec-content-seo .pp-seo-content h2 {
  font-size: 28px;
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1.4;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid #e5e7eb;
  position: relative;
}

/* 主标题底部蓝色装饰 */
.sec-content-seo .pp-seo-content h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 60px;
  height: 2px;
  background: #0071e3;
}

/* 副标题样式 */
.sec-content-seo .pp-seo-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: #1a1a1a;
  line-height: 1.5;
  margin-top: 36px;
  margin-bottom: 16px;
  padding-left: 12px;
  border-left: 3px solid #0071e3;
}

/* 段落样式 */
.sec-content-seo .pp-seo-content p {
  font-size: 15px;
  line-height: 1.8;
  color: #4a5568;
  margin-bottom: 18px;
  text-align: justify;
}

.sec-content-seo .pp-seo-content p:last-child {
  margin-bottom: 0;
}

/* 第一段样式 - 轻微突出 */
.sec-content-seo .pp-seo-content h2 + p {
  font-size: 16px;
  line-height: 1.8;
  color: #2d3748;
  margin-bottom: 24px;
  padding: 16px 20px;
  background: #f7fafc;
  border-left: 3px solid #0071e3;
  border-radius: 4px;
}

/* 强调文字 */
.sec-content-seo .pp-seo-content strong {
  font-weight: 600;
  color: #0071e3;
}

/* 列表样式 */
.sec-content-seo .pp-seo-content ul,
.sec-content-seo .pp-seo-content ol {
  margin: 20px 0;
  padding-left: 0;
  list-style: none;
}

.sec-content-seo .pp-seo-content li {
  font-size: 15px;
  line-height: 1.8;
  color: #4a5568;
  margin-bottom: 12px;
  padding-left: 28px;
  position: relative;
}

/* 无序列表标记 */
.sec-content-seo .pp-seo-content ul li::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 11px;
  width: 6px;
  height: 6px;
  background: #0071e3;
  border-radius: 50%;
}

/* 有序列表标记 */
.sec-content-seo .pp-seo-content ol {
  counter-reset: seo-ol-counter;
}

.sec-content-seo .pp-seo-content ol li::before {
  content: counter(seo-ol-counter) ".";
  counter-increment: seo-ol-counter;
  position: absolute;
  left: 0;
  top: 0;
  color: #0071e3;
  font-weight: 600;
  font-size: 15px;
}

/* 链接样式 */
.sec-content-seo .pp-seo-content a {
  color: #0071e3;
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 113, 227, 0.3);
  transition: border-color 0.2s ease;
}

.sec-content-seo .pp-seo-content a:hover {
  border-bottom-color: #0071e3;
}

/* 移动端优化 - 平板 */
@media (max-width: 1024px) {
  .sec-content-seo .pp-seo-content {
    padding: 44px 48px;
  }
}

/* 移动端优化 - 手机 */
@media (max-width: 768px) {
  .sec-content-seo {
    padding: 60px 0;
  }

  .sec-content-seo .pp-seo-content {
    padding: 36px 28px;
    border-radius: 10px;
  }

  .sec-content-seo .pp-seo-content h2 {
    font-size: 24px;
    margin-bottom: 16px;
    padding-bottom: 12px;
  }

  .sec-content-seo .pp-seo-content h2::after {
    width: 50px;
  }

  .sec-content-seo .pp-seo-content h2 + p {
    font-size: 15px;
    padding: 14px 18px;
    margin-bottom: 20px;
  }

  .sec-content-seo .pp-seo-content h3 {
    font-size: 18px;
    margin-top: 28px;
    margin-bottom: 14px;
    padding-left: 10px;
    border-left-width: 2.5px;
  }

  .sec-content-seo .pp-seo-content p {
    font-size: 14px;
    line-height: 1.75;
    margin-bottom: 16px;
  }

  .sec-content-seo .pp-seo-content li {
    font-size: 14px;
    line-height: 1.75;
    margin-bottom: 10px;
    padding-left: 24px;
  }

  .sec-content-seo .pp-seo-content ul li::before {
    width: 5px;
    height: 5px;
    top: 10px;
    left: 6px;
  }

  .sec-content-seo .pp-seo-content ol li::before {
    font-size: 14px;
  }
}

/* 小屏优化 */
@media (max-width: 375px) {
  .sec-content-seo {
    padding: 50px 0;
  }

  .sec-content-seo .pp-seo-content {
    padding: 32px 24px;
    border-radius: 8px;
  }

  .sec-content-seo .pp-seo-content h2 {
    font-size: 22px;
    margin-bottom: 14px;
  }

  .sec-content-seo .pp-seo-content h2::after {
    width: 45px;
  }

  .sec-content-seo .pp-seo-content h2 + p {
    font-size: 14px;
    padding: 12px 16px;
    margin-bottom: 18px;
    border-left-width: 2.5px;
  }

  .sec-content-seo .pp-seo-content h3 {
    font-size: 17px;
    margin-top: 24px;
    margin-bottom: 12px;
    padding-left: 9px;
    border-left-width: 2.5px;
  }

  .sec-content-seo .pp-seo-content p,
  .sec-content-seo .pp-seo-content li {
    font-size: 14px;
    line-height: 1.7;
  }

  .sec-content-seo .pp-seo-content li {
    padding-left: 22px;
    margin-bottom: 10px;
  }

  .sec-content-seo .pp-seo-content ul li::before {
    width: 4px;
    height: 4px;
    top: 9px;
    left: 6px;
  }
}

/* 右下侧快捷菜单 - 精简设计 */
.quick-action-menu {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column; /* 从上到下排列 */
  gap: 6px;
  align-items: flex-end;
  transition: opacity 0.3s ease;
}

.quick-action-menu:not(.is-hovered):not(.is-expanded) {
  opacity: 0.6;
}

.quick-action-menu.is-hovered,
.quick-action-menu.is-expanded {
  opacity: 1;
}

/* 默认状态：只显示客服按钮和回到顶部按钮 */
.quick-action-menu:not(.is-expanded) .quick-action-btn.line,
.quick-action-menu:not(.is-expanded) .quick-action-btn.telegram {
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px) scale(0.8);
}

/* 展开状态：显示所有按钮 */
.quick-action-menu.is-expanded .quick-action-btn {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.quick-action-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #ffffff;
  backdrop-filter: saturate(180%) blur(30px);
  -webkit-backdrop-filter: saturate(180%) blur(30px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06),
              0 4px 16px rgba(0, 0, 0, 0.04),
              inset 0 1px 0 rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  color: #1d1d1f;
  font-size: 20px;
  position: relative;
  overflow: visible;
  border: none;
  outline: none;
}

.quick-action-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: inherit;
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.quick-action-btn:hover::before {
  opacity: 1;
  transform: scale(1);
}

.quick-action-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12),
              0 10px 32px rgba(0, 0, 0, 0.08),
              inset 0 1px 0 rgba(255, 255, 255, 1);
}

.quick-action-btn:active,
.quick-action-btn.is-active {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.12),
              0 6px 20px rgba(0, 0, 0, 0.1);
}

.quick-action-btn svg,
.quick-action-btn img {
  width: 24px;
  height: 24px;
  position: relative;
  z-index: 1;
  transition: transform 0.25s ease;
}

.quick-action-btn:hover svg,
.quick-action-btn:hover img {
  transform: scale(1.08);
}

/* 回到顶部按钮样式 */
.quick-action-btn.back-to-top {
  background: linear-gradient(135deg, #007aff 0%, #5856d6 100%);
  color: #ffffff;
  position: relative;
}

.quick-action-btn.back-to-top::before {
  background: linear-gradient(135deg, #0066dd 0%, #4640b8 100%);
}

.quick-action-btn.back-to-top:hover {
  box-shadow: 0 6px 16px rgba(0, 122, 255, 0.4),
              0 10px 32px rgba(88, 86, 214, 0.25),
              inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* Telegram按钮样式 */
.quick-action-btn.telegram {
  background: linear-gradient(135deg, #2aabee 0%, #229ed9 100%);
  color: #ffffff;
  position: relative;
}

.quick-action-btn.telegram::before {
  background: linear-gradient(135deg, #1e96d3 0%, #1a8bc4 100%);
}

.quick-action-btn.telegram:hover {
  box-shadow: 0 6px 16px rgba(42, 171, 238, 0.4),
              0 10px 32px rgba(34, 158, 217, 0.25),
              inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* Line按钮样式 */
.quick-action-btn.line {
  background: linear-gradient(135deg, #00b900 0%, #00c300 100%);
  color: #ffffff;
  position: relative;
}

.quick-action-btn.line::before {
  background: linear-gradient(135deg, #00a300 0%, #00ad00 100%);
}

.quick-action-btn.line:hover {
  box-shadow: 0 6px 16px rgba(0, 185, 0, 0.4),
              0 10px 32px rgba(0, 195, 0, 0.25),
              inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* 客服按钮样式 */
.quick-action-btn.customer-service {
  background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
  color: #ffffff;
  position: relative;
}

.quick-action-btn.customer-service::before {
  background: linear-gradient(135deg, #e65a28 0%, #dd8419 100%);
}

.quick-action-btn.customer-service:hover {
  box-shadow: 0 6px 16px rgba(255, 107, 53, 0.4),
              0 10px 32px rgba(247, 147, 30, 0.25),
              inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* 提示文字 */
.quick-action-btn .tooltip {
  position: absolute;
  right: 60px;
  background: rgba(29, 29, 31, 0.95);
  color: #ffffff;
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 13px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateX(6px);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 500;
  letter-spacing: 0.01em;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.18),
              0 1px 6px rgba(0, 0, 0, 0.12);
}

.quick-action-btn:hover .tooltip {
  opacity: 1;
  transform: translateX(0);
}

.quick-action-btn .tooltip::after {
  content: '';
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid rgba(29, 29, 31, 0.95);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}

/* 响应式适配 - 移动端 */
@media (max-width: 768px) {
  .quick-action-menu {
    right: 12px;
    bottom: 10px;
    gap: 5px;
  }

  /* 移动端默认状态：只显示客服按钮和回到顶部按钮，其他按钮隐藏 */
  .quick-action-menu:not(.is-expanded) .quick-action-btn.line,
  .quick-action-menu:not(.is-expanded) .quick-action-btn.telegram {
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px) scale(0.8);
  }

  /* 展开状态：显示所有按钮 */
  .quick-action-menu.is-expanded .quick-action-btn {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
  }

  .quick-action-btn {
    width: 50px;
    height: 50px;
  }

  /* 客服按钮和回到顶部按钮始终可见但半透明 */
  .quick-action-menu:not(.is-expanded) .quick-action-btn.customer-service,
  .quick-action-menu:not(.is-expanded) .quick-action-btn.back-to-top {
    opacity: 0.7;
  }

  .quick-action-menu.is-expanded .quick-action-btn.customer-service,
  .quick-action-menu.is-expanded .quick-action-btn.back-to-top {
    opacity: 1;
  }

  .quick-action-btn svg,
  .quick-action-btn img {
    width: 24px;
    height: 24px;
  }

  .quick-action-btn .tooltip {
    display: none;
  }

  /* 移动端点击反馈 */
  .quick-action-btn:active {
    transform: scale(0.94);
    transition: transform 0.1s ease;
  }
}

/* 小屏幕优化 */
@media (max-width: 480px) {
  .quick-action-menu {
    right: 10px;
    bottom: 8px;
    gap: 4px;
  }

  .quick-action-btn {
    width: 48px;
    height: 48px;
  }

  .quick-action-btn svg,
  .quick-action-btn img {
    width: 22px;
    height: 22px;
  }

  /* 按钮透明度更低 */
  .quick-action-menu:not(.is-expanded) .quick-action-btn.customer-service,
  .quick-action-menu:not(.is-expanded) .quick-action-btn.back-to-top {
    opacity: 0.65;
  }
}