/* Reset & Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { 
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  color: #1f2937; line-height: 1.6; overflow-x: hidden;
}

/* Variables */
:root {
  --red: #dc2626; --red-dark: #b91c1c; --red-light: #fee2e2;
  --blue: #2563eb; --blue-light: #dbeafe;
  --green: #059669; --green-light: #d1fae5;
  --purple: #7c3aed; --purple-light: #ede9fe;
  --emerald: #10b981; --emerald-light: #d1fae5;
  --orange: #d97706; --orange-light: #fef3c7;
  --gray-50: #f9fafb; --gray-100: #f3f4f6; --gray-200: #e5e7eb;
  --gray-300: #d1d5db; --gray-500: #6b7280; --gray-700: #374151; --gray-900: #1f2937;
}

/* Container */
.container { max-width: 1280px; margin: 0 auto; padding: 0 1rem; }
@media (min-width: 640px) { .container { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .container { padding: 0 2rem; } }

/* Header */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: transparent; transition: all 0.3s;
}
.header.scrolled {
  background: rgba(255,255,255,0.95); backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
@media (min-width: 1024px) { .header-inner { height: 80px; } }

/* Logo */
.logo {
  display: flex; align-items: center; gap: 0.5rem; text-decoration: none;
}
.logo-icon {
  width: 40px; height: 40px;
  /*background: linear-gradient(135deg, #ef4444, #dc2626);*/
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
}
.logo-icon svg { width: 24px; height: 24px; color: white; }
.logo-text { font-size: 1.25rem; font-weight: 700; color: var(--gray-900); }
.logo-text span { color: var(--red); }
.footer .logo-text { color: white; }
.footer .logo-text span { color: white; }

/* Navigation */
.nav-desktop { display: none; }
@media (min-width: 1280px) {
  .nav-desktop { display: flex; align-items: center; gap: 0.25rem; }
}
.nav-link {
  padding: 0.5rem 0.75rem; font-size: 0.875rem; font-weight: 500;
  color: var(--gray-700); text-decoration: none; border-radius: 6px;
  transition: all 0.2s; position: relative;
}
.nav-link:hover { color: var(--red); background: var(--red-light); }
.nav-link::after {
  content: ''; position: absolute; bottom: 0; left: 50%;
  transform: translateX(-50%); width: 0; height: 2px;
  background: var(--red); transition: width 0.3s;
}
.nav-link:hover::after { width: 80%; }

/* Header CTA */
.header-cta { display: none; }
@media (min-width: 1024px) { .header-cta { display: flex; gap: 0.75rem; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.625rem 1.5rem; font-size: 0.875rem; font-weight: 600;
  border-radius: 8px; cursor: pointer; transition: all 0.2s; border: none; text-decoration: none;
}
.btn-primary { background: var(--red); color: white; }
.btn-primary:hover { background: var(--red-dark); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(220,38,38,0.3); }
.btn-outline { background: transparent; color: var(--red); border: 2px solid var(--red); }
.btn-outline:hover { background: var(--red-light); transform: translateY(-2px); }
.btn-lg { padding: 0.875rem 2rem; font-size: 1rem; }
.btn-blue { background: var(--blue); color: white; }
.btn-blue:hover { background: #1d4ed8; }
.btn-emerald { background: var(--emerald); color: white; }
.btn-emerald:hover { background: #059669; }
.btn-purple { background: var(--purple); color: white; }
.btn-purple:hover { background: #6d28d9; }
.btn-full { width: 100%; }
.btn-sm { padding: 0.375rem 1rem; font-size: 0.75rem; }

/* Mobile Menu */
.mobile-menu-btn { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; background: none; border: none; cursor: pointer; }
.mobile-menu-btn svg { width: 24px; height: 24px; }
@media (min-width: 1280px) { .mobile-menu-btn { display: none; } }
.mobile-menu { position: fixed; top: 0; right: -100%; width: 300px; height: 100vh; background: white; box-shadow: -4px 0 20px rgba(0,0,0,0.1); transition: right 0.3s; z-index: 1001; padding: 1.5rem; }
.mobile-menu.open { right: 0; }
.mobile-menu-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); opacity: 0; visibility: hidden; transition: all 0.3s; z-index: 1000; }
.mobile-menu-overlay.open { opacity: 1; visibility: visible; }
.mobile-menu-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 2rem; }
.mobile-menu-close { width: 40px; height: 40px; background: none; border: none; cursor: pointer; }
.mobile-menu-close svg { width: 24px; height: 24px; }
.mobile-nav-link { display: block; padding: 0.75rem 1rem; font-size: 1rem; font-weight: 500; color: var(--gray-700); text-decoration: none; border-radius: 8px; }
.mobile-nav-link:hover { color: var(--red); background: var(--red-light); }
.mobile-menu-cta { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 0.75rem; }

/* Section - 优化版 */
.section { padding: 4rem 0; }
@media (min-width: 1024px) { .section { padding: 5rem 0; } }
.bg-gray-50 { background: rgba(249, 250, 251, 0.9); }

/* Section Title - 优化版 */
.section-title {
  text-align: center;
  margin-bottom: 5rem;
  position: relative;
}
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--red-light), #fecaca);
  border: 2px solid rgba(220, 38, 38, 0.2);
  border-radius: 9999px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #b91c1c;
  margin-bottom: 2rem;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.section-badge::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s;
}
.section-title:hover .section-badge::before {
  left: 100%;
}
.section-badge.blue {
  background: linear-gradient(135deg, var(--blue-light), #bfdbfe);
  border-color: rgba(37, 99, 235, 0.2);
  color: #1d4ed8;
}
.section-title h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 1.5rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
@media (min-width: 640px) { .section-title h2 { font-size: 3rem; } }
@media (min-width: 1024px) { .section-title h2 { font-size: 3.5rem; } }
.section-title h2 span { color: var(--red); }
.section-title p {
  font-size: 1.25rem;
  color: var(--gray-600);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Global Grid Background */
body {
  background-image: radial-gradient(circle, rgba(0,0,0,0.06) 1.5px, transparent 1.5px);
  background-size: 32px 32px;
  background-attachment: fixed;
}

/* Hero */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden; padding-top: 80px;
}
.hero::before, .hero::after {
  content: ''; position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.5;
}
.hero::before {
  width: 400px; height: 400px; background: #fee2e2; top: -100px; right: -100px;
}
.hero::after {
/* background: #dbeafe; */
  width: 400px; height: 400px;  bottom: -100px; left: -100px;
}
.hero-content { text-align: center; position: relative; z-index: 1; padding: 3rem 0; }
.hero-badge { 
background: var(--red-light);
  display: inline-flex; align-items: center; gap: 0.5rem; 
  padding: 0.5rem 1rem;  border: 1px solid #fecaca; 
  border-radius: 9999px; font-size: 0.875rem; font-weight: 500; color: #b91c1c; margin-bottom: 1.5rem; 
}
.hero-badge-dot { width: 8px; height: 8px; background: var(--red); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.hero h1 { font-size: 2.5rem; font-weight: 700; color: var(--gray-900); line-height: 1.2; margin-bottom: 1.5rem; }
@media (min-width: 640px) { .hero h1 { font-size: 3.5rem; } }
.text-gradient { background: linear-gradient(90deg, #dc2626, #ef4444); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero > .container > .hero-content > p { font-size: 1.125rem; color: var(--gray-500); max-width: 700px; margin: 0 auto 2rem; }
.hero-buttons { display: flex; flex-direction: column; align-items: center; gap: 1rem; margin-bottom: 2rem; }
@media (min-width: 640px) { .hero-buttons { flex-direction: row; justify-content: center; } }
.hero-features { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.5rem; }
.hero-feature { display: flex; align-items: center; gap: 0.5rem; font-size: 0.875rem; color: var(--gray-500); }
.hero-feature-icon { width: 32px; height: 32px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.hero-feature-icon.green { background: var(--green-light); }
.hero-feature-icon.blue { background: var(--blue-light); }
.hero-feature-icon.purple { background: var(--purple-light); }
.hero-feature-icon.red { background: var(--red-light); }

/* Dashboard Preview */
.dashboard-preview { margin-top: 4rem; position: relative; max-width: 900px; margin-left: auto; margin-right: auto; }
.dashboard-preview::before {
  content: ''; position: absolute; inset: -20px;
  background: linear-gradient(90deg, rgba(59,130,246,0.2), rgba(16,185,129,0.2));
  border-radius: 24px; filter: blur(20px);
}
.dashboard { 
  position: relative; background: white; border-radius: 16px; 
  box-shadow: 0 20px 50px rgba(0,0,0,0.15); overflow: hidden; border: 1px solid var(--gray-200);
}
.dashboard-header { 
  background: var(--gray-100); padding: 0.75rem 1rem; 
  display: flex; align-items: center; gap: 0.5rem; border-bottom: 1px solid var(--gray-200);
}
.dashboard-dots { display: flex; gap: 0.5rem; }
.dashboard-dot { width: 12px; height: 12px; border-radius: 50%; }
.dashboard-dot.red { background: #ef4444; }
.dashboard-dot.yellow { background: #eab308; }
.dashboard-dot.green { background: #22c55e; }
.dashboard-title { flex: 1; text-align: center; font-size: 0.875rem; color: var(--gray-500); }
.dashboard-content { padding: 1.5rem; }
.dashboard-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 1.5rem; }
.dashboard-stat { padding: 1rem; border-radius: 12px; color: white; }
.dashboard-stat.red { background: linear-gradient(135deg, #ef4444, #dc2626); }
.dashboard-stat.blue { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.dashboard-stat.green { background: linear-gradient(135deg, #22c55e, #16a34a); }
.dashboard-stat-label { font-size: 0.75rem; opacity: 0.8; }
.dashboard-stat-value { font-size: 1.75rem; font-weight: 700; margin: 0.25rem 0; }
.dashboard-stat-sub { font-size: 0.75rem; opacity: 0.8; }
.dashboard-tasks { background: var(--gray-50); border-radius: 12px; padding: 1rem; }
.dashboard-tasks-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.dashboard-tasks-title { font-weight: 600; color: var(--gray-700); }
.dashboard-tasks-more { font-size: 0.75rem; color: var(--gray-500); }
.dashboard-task-list { display: flex; flex-direction: column; gap: 0.75rem; }
.dashboard-task { 
  display: flex; justify-content: space-between; align-items: center; 
  background: white; padding: 0.75rem; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.dashboard-task-info { display: flex; align-items: center; gap: 0.75rem; }
.dashboard-task-dot { width: 8px; height: 8px; border-radius: 50%; }
.dashboard-task-dot.blue { background: #3b82f6; }
.dashboard-task-dot.yellow { background: #eab308; }
.dashboard-task-dot.green { background: #22c55e; }
.dashboard-task-name { font-size: 0.875rem; color: var(--gray-700); }
.dashboard-task-status { font-size: 0.75rem; padding: 0.25rem 0.5rem; border-radius: 9999px; }
.dashboard-task-status.blue { background: #dbeafe; color: #1d4ed8; }
.dashboard-task-status.yellow { background: #fef3c7; color: #b45309; }
.dashboard-task-status.green { background: #d1fae5; color: #047857; }

/* Grid - 优化版 */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}
.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}
@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}
.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 640px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}
@media (min-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.75rem;
  }
}
.grid-5 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 640px) {
  .grid-5 {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}
@media (min-width: 1024px) {
  .grid-5 {
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
  }
}

/* Cards - Pain Points */
.pain-point-card {
  background: white; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  overflow: hidden; transition: all 0.3s;
}
.pain-point-card:hover { transform: translateY(-8px); box-shadow: 0 12px 32px rgba(0,0,0,0.12); }
.pain-point-header { padding: 1.25rem; display: flex; align-items: center; gap: 1rem; }
.pain-point-header.red { background: var(--red-light); }
.pain-point-header.orange { background: var(--orange-light); }
.pain-point-header.blue { background: var(--blue-light); }
.pain-point-header svg { width: 24px; height: 24px; flex-shrink: 0; }
.pain-point-header.red svg { color: var(--red); }
.pain-point-header.orange svg { color: var(--orange); }
.pain-point-header.blue svg { color: var(--blue); }
.pain-point-header h3 { font-size: 1.125rem; font-weight: 700; }
.pain-point-header.red h3 { color: var(--red); }
.pain-point-header.orange h3 { color: var(--orange); }
.pain-point-header.blue h3 { color: var(--blue); }
.pain-point-content { padding: 1.5rem; }
.pain-point-section { margin-bottom: 1rem; }
.pain-point-section:last-child { margin-bottom: 0; }
.pain-point-section h4 { 
  font-size: 0.75rem; font-weight: 600; color: var(--gray-400); 
  text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.5rem; 
}
.pain-point-section p { font-size: 0.875rem; color: var(--gray-600); line-height: 1.6; }
.pain-point-solution { 
  background: var(--green-light); padding: 1rem; border-radius: 8px; 
  border-left: 4px solid var(--green); margin-top: 1rem; font-size: 0.875rem; 
}
.pain-point-solution strong { color: var(--green); }
.pain-point-solution span { color: #059669; }

/* Philosophy Cards - 核心理念 */
.philosophy-card {
  background: white; border-radius: 16px; border: 1px solid var(--gray-100);
  box-shadow: 0 4px 20px rgba(0,0,0,0.08); overflow: hidden;
  transition: all 0.3s; display: flex; flex-direction: column;
}
.philosophy-card:hover { transform: translateY(-8px); box-shadow: 0 12px 32px rgba(0,0,0,0.12); }
.philosophy-card-header { 
  padding: 1.5rem; 
  background: linear-gradient(135deg, #f9fafb, white);
}
.philosophy-card-icon { 
  width: 64px; height: 64px; border-radius: 16px; 
  display: flex; align-items: center; justify-content: center; 
  margin-bottom: 1rem; transition: transform 0.3s; 
}
.philosophy-card:hover .philosophy-card-icon { transform: scale(1.1); }
.philosophy-card-icon.blue { background: var(--blue-light); }
.philosophy-card-icon.green { background: var(--green-light); }
.philosophy-card-icon.purple { background: var(--purple-light); }
.philosophy-card-icon svg { width: 32px; height: 32px; }
.philosophy-card-icon.blue svg { color: var(--blue); }
.philosophy-card-icon.green svg { color: var(--green); }
.philosophy-card-icon.purple svg { color: var(--purple); }
.philosophy-card-header h3 { font-size: 1.5rem; font-weight: 700; color: var(--gray-900); margin-bottom: 1rem; }
.philosophy-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.philosophy-tag { 
  padding: 0.25rem 0.75rem; font-size: 0.75rem; font-weight: 500; border-radius: 9999px; 
}
.philosophy-tag.blue { background: var(--blue-light); color: var(--blue); }
.philosophy-tag.green { background: var(--green-light); color: var(--green); }
.philosophy-tag.purple { background: var(--purple-light); color: var(--purple); }
.philosophy-card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; gap: 1rem; }
.philosophy-card-body > div { padding-bottom: 1rem; border-bottom: 1px solid var(--gray-100); }
.philosophy-card-body > div:last-child { padding-bottom: 0; border-bottom: none; }
.philosophy-card-body h4 { 
  font-size: 0.75rem; font-weight: 600; color: var(--gray-400); 
  text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.5rem; 
}
.philosophy-card-body p { font-size: 0.875rem; color: var(--gray-600); line-height: 1.6; }

/* Feature Cards */
.feature-card { 
  background: white; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); 
  overflow: hidden; border: 1px solid var(--gray-100); transition: all 0.3s;
}
.feature-card:hover { transform: translateY(-8px); box-shadow: 0 12px 32px rgba(0,0,0,0.12); }
.feature-card-body { padding: 2rem; }
.feature-card-header { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.5rem; }
.feature-card-icon { 
  width: 56px; height: 56px; border-radius: 12px; 
  display: flex; align-items: center; justify-content: center; 
  transition: transform 0.3s; 
}
.feature-card:hover .feature-card-icon { transform: scale(1.1); }
.feature-card-icon.red { background: var(--red-light); }
.feature-card-icon.blue { background: var(--blue-light); }
.feature-card-icon.purple { background: var(--purple-light); }
.feature-card-icon.green { background: var(--green-light); }
.feature-card-icon svg { width: 28px; height: 28px; }
.feature-card-icon.red svg { color: var(--red); }
.feature-card-icon.blue svg { color: var(--blue); }
.feature-card-icon.purple svg { color: var(--purple); }
.feature-card-icon.green svg { color: var(--green); }
.feature-card-title h3 { font-size: 1.25rem; font-weight: 700; color: var(--gray-900); }
.feature-card-badge { 
  display: inline-block; margin-top: 0.25rem; padding: 0.125rem 0.5rem; 
  background: var(--red-light); color: var(--red); font-size: 0.75rem; font-weight: 500; border-radius: 9999px; 
}
.feature-tag { 
  display: inline-block; padding: 0.375rem 0.75rem; border-radius: 8px; 
  margin-bottom: 1rem; font-size: 0.875rem; font-weight: 500; 
}
.feature-tag.red { background: var(--red-light); color: var(--red); }
.feature-tag.blue { background: var(--blue-light); color: var(--blue); }
.feature-tag.purple { background: var(--purple-light); color: var(--purple); }
.feature-tag.green { background: var(--green-light); color: var(--green); }
.feature-card p { color: var(--gray-500); margin-bottom: 1.5rem; line-height: 1.6; }

/* Value Cards */
.value-card { 
  background: white; border-radius: 16px; border: 1px solid var(--gray-100); 
  box-shadow: 0 4px 20px rgba(0,0,0,0.08); padding: 1.5rem; text-align: center; transition: all 0.3s; 
}
.value-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.12); }
.value-icon { 
  width: 48px; height: 48px; border-radius: 12px; 
  display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; 
}
.value-icon svg { width: 12px; height: 12px; }
.value-icon.blue { background: var(--blue-light); }
.value-icon.blue svg { color: var(--blue); }
.value-icon.green { background: var(--green-light); }
.value-icon.green svg { color: var(--green); }
.value-icon.yellow { background: var(--orange-light); }
.value-icon.yellow svg { color: var(--orange); }
.value-icon.purple { background: var(--purple-light); }
.value-icon.purple svg { color: var(--purple); }
.value-icon.red { background: var(--red-light); }
.value-icon.red svg { color: var(--red); }
.value-from { margin-bottom: 1rem; }
.value-from-label { font-size: 0.75rem; font-weight: 600; color: var(--gray-400); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.25rem; }
.value-from-text { font-size: 0.875rem; color: var(--gray-400); text-decoration: line-through; }
.value-arrow { display: flex; align-items: center; justify-content: center; gap: 0.5rem; margin: 1rem 0; }
.value-arrow-line { flex: 1; height: 1px; background: var(--gray-200); }
.value-arrow svg { width: 20px; height: 20px; color: var(--red); }
.value-to-label { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.25rem; }
.value-to-label.blue { color: var(--blue); }
.value-to-label.green { color: var(--green); }
.value-to-label.yellow { color: var(--orange); }
.value-to-label.purple { color: var(--purple); }
.value-to-label.red { color: var(--red); }
.value-to-text { font-size: 0.875rem; font-weight: 500; }
.value-to-text.blue { color: #1d4ed8; }
.value-to-text.green { color: #047857; }
.value-to-text.yellow { color: #b45309; }
.value-to-text.purple { color: #6d28d9; }
.value-to-text.red { color: #b91c1c; }

/* Stats Bar */
.stats-bar { background: linear-gradient(90deg, var(--red), var(--red-dark)); border-radius: 16px; padding: 2rem 2rem; margin-top: 4rem; }
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
@media (min-width: 768px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }
.stat-item { text-align: center; }
.stat-value { font-size: 2.5rem; font-weight: 700; color: white; margin-bottom: 0.5rem; }
@media (min-width: 1024px) { .stat-value { font-size: 3rem; } }
.stat-label { font-size: 0.875rem; color: rgba(255,255,255,0.8); }

/* Platform Section - 美化版 */
.platform-section {
  background: linear-gradient(135deg, rgba(239, 246, 255, 0.9), rgba(236, 253, 245, 0.9));
  position: relative;
  overflow: hidden;
}
.platform-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 70% 30%, rgba(59, 130, 246, 0.1), transparent 70%);
  z-index: 0;
}
.platform-section::after {
  content: '';
  position: absolute;
  bottom: -50%;
  left: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 70%, rgba(16, 185, 129, 0.1), transparent 70%);
  z-index: 0;
}
.platform-section > .container {
  position: relative;
  z-index: 1;
}
.platform-grid { max-width: 900px; margin: 0 auto; }
.platform-card {
  background: white;
  border-radius: 24px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
  padding: 2.5rem;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: 1px solid rgba(229, 231, 235, 0.6);
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.platform-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--blue), var(--green));
  opacity: 0;
  transition: opacity 0.3s;
}
.platform-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 25px 60px rgba(0,0,0,0.15);
}
.platform-card:hover::before {
  opacity: 1;
}
.platform-icon {
  width: 100px;
  height: 100px;
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  transition: all 0.4s;
  position: relative;
  z-index: 1;
}
.platform-card:hover .platform-icon {
  transform: scale(1.1) rotate(10deg);
}
.platform-icon::after {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 32px;
  background: inherit;
  filter: blur(12px);
  opacity: 0.4;
  z-index: -1;
  transition: opacity 0.3s;
}
.platform-card:hover .platform-icon::after {
  opacity: 0.6;
}
.platform-icon.blue {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}
.platform-icon.blue svg {
  width: 48px;
  height: 48px;
  color: white;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}
.platform-icon.green {
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}
.platform-icon.green svg {
  width: 48px;
  height: 48px;
  color: white;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}
.platform-card h3 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 1rem;
  line-height: 1.2;
}
.platform-card p {
  color: var(--gray-600);
  margin-bottom: 2rem;
  font-size: 1.0625rem;
  line-height: 1.6;
  max-width: 300px;
}
.platform-card .btn {
  margin-bottom: 2rem;
  padding: 0.75rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 12px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.platform-card .btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s;
}
.platform-card .btn:hover::before {
  left: 100%;
}
.platform-icons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: auto;
}
.platform-icons span {
  padding: 0.5rem 1rem;
  background: var(--gray-50);
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: all 0.2s;
  border: 1px solid var(--gray-200);
}
.platform-icons span:hover {
  background: var(--gray-100);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}

/* Pro Feature Cards - 美化版 */
.pro-feature-card {
  background: white;
  border-radius: 20px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
  padding: 2rem;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: 1px solid rgba(229, 231, 235, 0.5);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.pro-feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--red), var(--blue));
  opacity: 0;
  transition: opacity 0.3s;
}
.pro-feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}
.pro-feature-card:hover::before {
  opacity: 1;
}
.pro-feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  transition: all 0.3s;
  position: relative;
  z-index: 1;
}
.pro-feature-card:hover .pro-feature-icon {
  transform: scale(1.1) rotate(5deg);
}
.pro-feature-icon::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 16px;
  background: inherit;
  filter: blur(8px);
  opacity: 0.3;
  z-index: -1;
  transition: opacity 0.3s;
}
.pro-feature-card:hover .pro-feature-icon::after {
  opacity: 0.5;
}
.pro-feature-icon svg { width: 28px; height: 28px; }
.pro-feature-icon.red {
  background: linear-gradient(135deg, #fecaca, #fca5a5);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}
.pro-feature-icon.red svg { color: var(--red); }
.pro-feature-icon.blue {
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}
.pro-feature-icon.blue svg { color: var(--blue); }
.pro-feature-icon.green {
  background: linear-gradient(135deg, #d1fae5, #a7f3d0);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}
.pro-feature-icon.green svg { color: var(--green); }
.pro-feature-icon.purple {
  background: linear-gradient(135deg, #ede9fe, #ddd6fe);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.2);
}
.pro-feature-icon.purple svg { color: var(--purple); }
.pro-feature-icon.orange {
  background: linear-gradient(135deg, #fed7aa, #fdba74);
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.2);
}
.pro-feature-icon.orange svg { color: var(--orange); }
.pro-feature-icon.teal {
  background: linear-gradient(135deg, #ccfbf1, #99f6e4);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.2);
}
.pro-feature-icon.teal svg { color: #0d9488; }
.pro-feature-icon.indigo {
  background: linear-gradient(135deg, #e0e7ff, #c7d2fe);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}
.pro-feature-icon.indigo svg { color: #4f46e5; }
.pro-feature-icon.pink {
  background: linear-gradient(135deg, #fce7f3, #fbcfe8);
  box-shadow: 0 4px 12px rgba(219, 39, 119, 0.2);
}
.pro-feature-icon.pink svg { color: #db2777; }
.pro-feature-card h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 1rem;
  line-height: 1.3;
}
.pro-feature-card p {
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex: 1;
}
.pro-feature-card .btn {
  margin-top: auto;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.pro-feature-card .btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}
.pro-feature-card .btn:hover::before {
  left: 100%;
}

/* Pricing */
.pricing-card { background: white; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); overflow: hidden; transition: all 0.3s; }
.pricing-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.12); }
.pricing-card.featured { box-shadow: 0 0 0 2px var(--red), 0 4px 20px rgba(0,0,0,0.08); }
.pricing-header { padding: 1.5rem; color: white; }
.pricing-header.emerald { background: linear-gradient(135deg, var(--emerald), #059669); }
.pricing-header.blue { background: linear-gradient(135deg, #3b82f6, var(--blue)); }
.pricing-header.red { background: linear-gradient(135deg, #ef4444, var(--red)); }
.pricing-header.purple { background: linear-gradient(135deg, #8b5cf6, var(--purple)); }
.popular-badge { display: inline-block; padding: 0.25rem 0.75rem; background: rgba(255,255,255,0.2); border-radius: 9999px; font-size: 0.75rem; font-weight: 500; margin-bottom: 0.75rem; }
.pricing-header h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.25rem; }
.pricing-header p { font-size: 0.875rem; opacity: 0.8; margin-bottom: 1rem; }
.pricing-price { font-size: 2rem; font-weight: 700; }
.pricing-price span { font-size: 0.875rem; opacity: 0.8; }
.pricing-body { padding: 1.5rem; }
.pricing-body ul { list-style: none; margin-bottom: 1.5rem; }
.pricing-body li { display: flex; align-items: center; gap: 0.5rem; padding: 0.5rem 0; font-size: 0.875rem; color: var(--gray-600); }
.pricing-body li::before { content: '✓'; color: var(--green); font-weight: bold; }
.pricing-body .btn { width: 100%; }

/* Service */
.service-card { background: white; border-radius: 16px; border: 1px solid var(--gray-100); box-shadow: 0 4px 20px rgba(0,0,0,0.08); padding: 2rem; transition: all 0.3s; }
.service-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.12); }
.service-icon { width: 64px; height: 64px; border-radius: 16px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; }
.service-icon svg { width: 32px; height: 32px; }
.service-icon.blue { background: var(--blue-light); }
.service-icon.blue svg { color: var(--blue); }
.service-icon.green { background: var(--green-light); }
.service-icon.green svg { color: var(--green); }
.service-icon.purple { background: var(--purple-light); }
.service-icon.purple svg { color: var(--purple); }
.service-card h3 { font-size: 1.25rem; font-weight: 700; color: var(--gray-900); margin-bottom: 0.75rem; }
.service-card p { color: var(--gray-500); margin-bottom: 1rem; }
.service-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.service-tags span { padding: 0.25rem 0.75rem; background: var(--gray-100); border-radius: 9999px; font-size: 0.75rem; color: var(--gray-600); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; }
@media (min-width: 1024px) { .contact-grid { grid-template-columns: 1fr 1fr; } }
.contact-info h3 { font-size: 1.5rem; font-weight: 700; color: var(--gray-900); margin-bottom: 1.5rem; }
.contact-item { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
.contact-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; }
.contact-icon svg { width: 24px; height: 24px; }
.contact-icon.red { background: var(--red-light); }
.contact-icon.red svg { color: var(--red); }
.contact-icon.blue { background: var(--blue-light); }
.contact-icon.blue svg { color: var(--blue); }
.contact-icon.green { background: var(--green-light); }
.contact-icon.green svg { color: var(--green); }
.contact-item p { font-size: 0.875rem; color: var(--gray-500); margin-bottom: 0.25rem; }
.contact-item strong { font-size: 1.125rem; color: var(--gray-900); }
.qr-card { background: white; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); padding: 1.5rem; margin-top: 2rem; }
.qr-card h4 { font-weight: 600; color: var(--gray-900); margin-bottom: 1rem; }
.qr-content { display: flex; align-items: center; gap: 1.5rem; }
.qr-placeholder { width: 100px; height: 100px; background: var(--gray-100); border-radius: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 0.75rem; color: var(--gray-400); }
.qr-content p { font-size: 0.875rem; color: var(--gray-500); }
.contact-form-card { background: white; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); padding: 2rem; }
.contact-form-card h3 { font-size: 1.25rem; font-weight: 700; color: var(--gray-900); margin-bottom: 1.5rem; }

/* Form */
.form-group { margin-bottom: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 640px) { .form-row { grid-template-columns: repeat(2, 1fr); } }
.form-group label { display: block; font-size: 0.875rem; font-weight: 500; color: var(--gray-700); margin-bottom: 0.5rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.625rem 0.875rem; font-size: 0.875rem;
  border: 1px solid var(--gray-300); border-radius: 6px; transition: all 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(220,38,38,0.1);
}
.form-group textarea { resize: vertical; min-height: 80px; }

/* Footer */
.footer { background: var(--gray-900); color: #9ca3af; padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-brand p { margin: 1rem 0; max-width: 300px; font-size: 0.875rem; }
.footer-contact { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-contact .contact-item { display: flex; align-items: center; gap: 0.5rem; font-size: 0.875rem; }
.footer-contact .red { color: var(--red); }
.footer h4 { color: white; font-size: 1rem; font-weight: 600; margin-bottom: 1rem; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: #9ca3af; text-decoration: none; font-size: 0.875rem; transition: color 0.2s; }
.footer-links a:hover { color: white; }
.footer-bottom { border-top: 1px solid #374151; margin-top: 3rem; padding-top: 2rem; display: flex; flex-direction: column; align-items: center; gap: 1rem; text-align: center; }
@media (min-width: 640px) { .footer-bottom { flex-direction: row; justify-content: space-between; } }
.footer-bottom p { font-size: 0.875rem; }
.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a { display: flex; align-items: center; gap: 0.5rem; color: #9ca3af; text-decoration: none; font-size: 0.875rem; }
.footer-bottom-links a:hover { color: var(--red); }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; z-index: 2000; opacity: 0; visibility: hidden; transition: all 0.3s; padding: 1rem; }
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal { background: white; border-radius: 16px; max-width: 500px; width: 100%; max-height: 90vh; overflow-y: auto; transform: scale(0.9); transition: transform 0.3s; }
.modal-overlay.open .modal { transform: scale(1); }
.modal-header { padding: 1.5rem; border-bottom: 1px solid var(--gray-200); }
.modal-header h3 { font-size: 1.25rem; font-weight: 700; color: var(--gray-900); }
.modal-header p { font-size: 0.875rem; color: var(--gray-500); margin-top: 0.25rem; }
.modal-body { padding: 1.5rem; }
.modal-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--gray-200); display: flex; gap: 0.75rem; }
.modal-footer .btn { flex: 1; }
.success-modal { text-align: center; padding: 2rem; }
.success-icon { width: 64px; height: 64px; background: var(--green-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; font-size: 2rem; color: var(--green); }
.success-modal h3 { font-size: 1.25rem; font-weight: 700; color: var(--gray-900); margin-bottom: 0.5rem; }
.success-modal p { color: var(--gray-500); margin-bottom: 1.5rem; }
er; font-size: 1.5rem; color: var(--red); margin: 0.5rem 0; }

/* Feature Tags */
.feature-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.tag { padding: 0.25rem 0.75rem; border-radius: 9999px; font-size: 0.75rem; font-weight: 500; }
.tag-red { background: var(--red-light); color: var(--red); }
.tag-blue { background: var(--blue-light); color: var(--blue); }
.tag-green { background: var(--green-light); color: var(--green); }
.tag-purple { background: var(--purple-light); color: var(--purple); }
.tag-orange { background: var(--orange-light); color: var(--orange); }
.tag-pink { background: #fce7f3; color: #db2777; }

/* Pro Feature Cards */
.pro-feature-card { background: white; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); padding: 1.5rem; text-align: center; transition: all 0.3s; }
.pro-feature-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.12); }
.pro-feature-icon { width: 56px; height: 56px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; }
.pro-feature-icon svg { width: 28px; height: 28px; }
.pro-feature-icon.red { background: var(--red-light); }
.pro-feature-icon.red svg { color: var(--red); }
.pro-feature-icon.blue { background: var(--blue-light); }
.pro-feature-icon.blue svg { color: var(--blue); }
.pro-feature-icon.green { background: var(--green-light); }
.pro-feature-icon.green svg { color: var(--green); }
.pro-feature-icon.purple { background: var(--purple-light); }
.pro-feature-icon.purple svg { color: var(--purple); }
.pro-feature-icon.orange { background: var(--orange-light); }
.pro-feature-icon.orange svg { color: var(--orange); }
.pro-feature-icon.teal { background: #ccfbf1; }
.pro-feature-icon.teal svg { color: #0d9488; }
.pro-feature-icon.indigo { background: #e0e7ff; }
.pro-feature-icon.indigo svg { color: #4f46e5; }
.pro-feature-icon.pink { background: #fce7f3; }
.pro-feature-icon.pink svg { color: #db2777; }
.pro-feature-card h4 { font-size: 1rem; font-weight: 700; color: var(--gray-900); margin-bottom: 0.5rem; }
.pro-feature-card p { font-size: 0.875rem; color: var(--gray-500); line-height: 1.5; }

/* Value Cards Large */
.value-cards-large { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 1024px) { .value-cards-large { grid-template-columns: repeat(2, 1fr); } }
.value-card-large { background: white; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); padding: 2rem; transition: all 0.3s; }
.value-card-large:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.12); }
.value-card-large-icon { width: 64px; height: 64px; border-radius: 16px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; }
.value-card-large-icon.red { background: var(--red-light); }
.value-card-large-icon.red svg { width: 32px; height: 32px; color: var(--red); }
.value-card-large-icon.blue { background: var(--blue-light); }
.value-card-large-icon.blue svg { width: 32px; height: 32px; color: var(--blue); }
.value-card-large h3 { font-size: 1.5rem; font-weight: 700; color: var(--gray-900); margin-bottom: 1rem; }
.value-card-large p { font-size: 0.875rem; color: var(--gray-600); line-height: 1.8; margin-bottom: 1rem; }
.value-card-large p:last-child { margin-bottom: 0; }

/* Pricing Section Styles */
.pricing-intro { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; margin-bottom: 3rem; }
.pricing-intro-item { display: flex; align-items: center; gap: 0.75rem; }
.pricing-intro-icon { width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.875rem; color: white; }
.pricing-intro-icon.green { background: var(--green); }
.pricing-intro-icon.blue { background: var(--blue); }
.pricing-intro-item p { font-size: 0.875rem; color: var(--gray-600); }
.pricing-main { gap: 2rem; margin-bottom: 3rem; }
.pricing-card-main { background: white; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); overflow: hidden; transition: all 0.3s; }
.pricing-card-main:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.12); }
.pricing-card-header { padding: 2rem; color: white; text-align: center; }
.pricing-card-header.blue { background: linear-gradient(135deg, #3b82f6, var(--blue)); }
.pricing-card-header.red { background: linear-gradient(135deg, #ef4444, var(--red)); }
.pricing-card-header h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.5rem; }
.pricing-price-large { font-size: 2.5rem; font-weight: 700; }
.pricing-price-large span { font-size: 1rem; opacity: 0.8; }
.pricing-card-body { padding: 2rem; }
.pricing-card-body ul { list-style: none; }
.pricing-card-body li { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 0; font-size: 0.875rem; color: var(--gray-600); border-bottom: 1px solid var(--gray-100); }
.pricing-card-body li:last-child { border-bottom: none; }
.pricing-card-body li::before { content: '✓'; color: var(--green); font-weight: bold; }
.pricing-services { background: white; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); padding: 2rem; }
.pricing-services h4 { font-size: 1.25rem; font-weight: 700; color: var(--gray-900); margin-bottom: 1.5rem; text-align: center; }
.pricing-services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
@media (min-width: 768px) { .pricing-services-grid { grid-template-columns: repeat(3, 1fr); } }
.pricing-service-item { padding: 1rem; background: var(--gray-50); border-radius: 8px; text-align: center; font-size: 0.875rem; color: var(--gray-600); }

/* Contact Section Styles */
.contact-content { max-width: 800px; margin: 0 auto; }
.contact-info-large { display: flex; flex-wrap: wrap; justify-content: center; gap: 3rem; margin-bottom: 2rem; }
.contact-info-item-large { display: flex; align-items: center; gap: 1rem; }
.contact-icon-large { width: 56px; height: 56px; border-radius: 12px; display: flex; align-items: center; justify-content: center; }
.contact-icon-large.red { background: var(--red-light); }
.contact-icon-large.red svg { width: 28px; height: 28px; color: var(--red); }
.contact-icon-large.blue { background: var(--blue-light); }
.contact-icon-large.blue svg { width: 28px; height: 28px; color: var(--blue); }
.contact-info-item-large p { font-size: 0.875rem; color: var(--gray-500); margin-bottom: 0.25rem; }
.contact-info-item-large strong { font-size: 1.25rem; color: var(--gray-900); }
.contact-desc { text-align: center; padding: 2rem; background: var(--gray-50); border-radius: 16px; }
.contact-desc p { font-size: 1rem; color: var(--gray-600); line-height: 1.8; }

/* Hero Title Styles */
.hero-main-title { font-size: 4rem; font-weight: 900; color: var(--red); line-height: 1.1; margin-bottom: 0.5rem; letter-spacing: -0.02em; }
@media (min-width: 640px) { .hero-main-title { font-size: 5rem; } }
@media (min-width: 1024px) { .hero-main-title { font-size: 6rem; } }
.hero-title-large { font-size: 1.75rem; font-weight: 700; color: var(--gray-900); line-height: 1.4; margin-bottom: 1.5rem; }
@media (min-width: 640px) { .hero-title-large { font-size: 2.25rem; } }
@media (min-width: 1024px) { .hero-title-large { font-size: 2.75rem; } }
.text-red-highlight { color: var(--red); }
.hero-desc { font-size: 1.25rem; color: var(--gray-500); max-width: 700px; margin: 0 auto 2rem !important; }
.hero-feature-icon.red { background: var(--red-light); color: var(--red); }
.hero-image { margin-top: 3rem; max-width: 900px; margin-left: auto; margin-right: auto; }
.hero-image img { width: 100%; height: auto; border-radius: 20px; box-shadow: 0 25px 60px rgba(0,0,0,0.15); }

/* Comparison Row V2 - 优化配色和布局 */
.comparison-row-v2 { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 1024px) { .comparison-row-v2 { grid-template-columns: repeat(5, 1fr); } }
.comparison-card-v2 { background: white; border-radius: 20px; box-shadow: 0 8px 30px rgba(0,0,0,0.1); overflow: hidden; transition: all 0.3s; display: flex; flex-direction: column; border: 1px solid var(--gray-100); }
.comparison-card-v2:hover { transform: translateY(-8px); box-shadow: 0 20px 50px rgba(0,0,0,0.15); }
.comparison-header-v2 { padding: 1.25rem; display: flex; align-items: center; gap: 0.75rem; border-bottom: 2px solid var(--gray-100); }
.comparison-icon-v2 { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
.comparison-icon-v2.red { background: linear-gradient(135deg, #ef4444, #dc2626); }
.comparison-icon-v2.blue { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.comparison-icon-v2.green { background: linear-gradient(135deg, #22c55e, #16a34a); }
.comparison-icon-v2.orange { background: linear-gradient(135deg, #f59e0b, #d97706); }
.comparison-icon-v2.purple { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.comparison-header-v2 h3 { font-size: 1.125rem; font-weight: 700; color: var(--gray-900); }
.comparison-body-v2 { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }
.comparison-before-v2 { padding: 1rem; background: #fef2f2; border-radius: 12px; border-left: 4px solid #ef4444; margin-bottom: 0.75rem; }
.comparison-after-v2 { padding: 1rem; background: #ecfdf5; border-radius: 12px; border-left: 4px solid #10b981; }
.comparison-arrow-v2 { text-align: center; font-size: 1.5rem; color: var(--red); margin: 0.5rem 0; animation: bounce 2s infinite; }
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(5px); } }
.comparison-tag { display: inline-block; padding: 0.25rem 0.75rem; border-radius: 9999px; font-size: 0.75rem; font-weight: 700; margin-bottom: 0.5rem; text-transform: uppercase; }
.before-tag { background: #fee2e2; color: #dc2626; }
.after-tag { background: #d1fae5; color: #059669; }
.comparison-before-v2 p, .comparison-after-v2 p { font-size: 0.875rem; color: var(--gray-700); line-height: 1.6; }

/* Pricing Row - 一行显示 */
.pricing-row { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-bottom: 2rem; }
@media (min-width: 1024px) { .pricing-row { grid-template-columns: repeat(2, 1fr); } }
.pricing-card-row { background: white; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); overflow: hidden; transition: all 0.3s; display: flex; flex-direction: column; }
.pricing-card-row:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.12); }
.pricing-card-header-row { padding: 1.5rem; color: white; text-align: center; }
.pricing-card-header-row.blue { background: linear-gradient(135deg, #3b82f6, var(--blue)); }
.pricing-card-header-row.red { background: linear-gradient(135deg, #ef4444, var(--red)); }
.pricing-card-header-row h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.25rem; }
.pricing-price-row { font-size: 2rem; font-weight: 700; }
.pricing-price-row span { font-size: 0.875rem; opacity: 0.8; }
.pricing-card-body-row { padding: 1.5rem; flex: 1; }
.pricing-card-body-row ul { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.5rem; }
.pricing-card-body-row li { display: flex; align-items: center; gap: 0.5rem; padding: 0.375rem 0; font-size: 0.8rem; color: var(--gray-600); }
.pricing-card-body-row li::before { content: '✓'; color: var(--green); font-weight: bold; }
.pricing-services-row { background: white; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); padding: 1.5rem; text-align: center; }
.pricing-services-row p { font-size: 0.875rem; color: var(--gray-600); margin-bottom: 0.5rem; }
.pricing-services-row p:last-child { margin-bottom: 0; }
.pricing-note { color: var(--gray-400) !important; font-size: 0.75rem !important; margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid var(--gray-100); }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; z-index: 2000; opacity: 0; visibility: hidden; transition: all 0.3s; padding: 1rem; }
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal { background: white; border-radius: 16px; max-width: 500px; width: 100%; max-height: 90vh; overflow-y: auto; transform: scale(0.9); transition: transform 0.3s; }
.modal-overlay.open .modal { transform: scale(1); }
.modal-header { padding: 1.5rem; border-bottom: 1px solid var(--gray-200); }
.modal-header h3 { font-size: 1.25rem; font-weight: 700; color: var(--gray-900); }
.modal-header p { font-size: 0.875rem; color: var(--gray-500); margin-top: 0.25rem; }
.modal-body { padding: 1.5rem; }
.modal-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--gray-200); display: flex; gap: 0.75rem; }
.modal-footer .btn { flex: 1; }
.success-modal { text-align: center; padding: 2rem; }
.success-icon { width: 64px; height: 64px; background: var(--green-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; font-size: 2rem; color: var(--green); }
.success-modal h3 { font-size: 1.25rem; font-weight: 700; color: var(--gray-900); margin-bottom: 0.5rem; }
.success-modal p { color: var(--gray-500); margin-bottom: 1.5rem; }