/* ============================
   PMC之光官网 - 全局样式
   ============================ */

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

:root {
  --blue-50: #E6F1FB;
  --blue-100: #B5D4F4;
  --blue-600: #185FA5;
  --blue-700: #0E4A85;
  --blue-800: #0C447C;
  --amber-50: #FAEEDA;
  --amber-600: #854F0B;
  --teal-600: #0F6E56;
  --gray-50: #F8F8F6;
  --gray-100: #F1EFE8;
  --gray-200: #D3D1C7;
  --gray-500: #888780;
  --gray-700: #444441;
  --gray-900: #1A1A18;
  --green-600: #3B6D11;
  --red-600: #A32D2D;
  --text-primary: #1A1A18;
  --text-secondary: #5F5E5A;
  --text-muted: #888780;
  --border: #E0DED6;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-primary);
  background: #fff;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-pad { padding: 80px 0; }
.bg-light { background: var(--gray-50); }

/* 通用标签、标题、描述 */
.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--blue-600);
  background: #fff;
  padding: 8px 20px;
  border-radius: 6px;
  margin-bottom: 16px;
  border-left: 4px solid var(--blue-600);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
}

.section-title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--gray-900);
  margin-bottom: 16px;
  text-align: center;
}

.section-sub {
  font-size: 16px;
  color: var(--text-secondary);
  text-align: center;
  max-width: 560px;
  margin: 0 auto 48px;
}

.highlight { color: var(--blue-600); }

.center-cta { text-align: center; margin-top: 48px; }

/* ============================
   按钮
   ============================ */
.btn-primary {
  display: inline-block;
  background: var(--blue-600);
  color: #fff;
  padding: 11px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background: var(--blue-700); transform: translateY(-1px); }

.btn-primary.btn-lg { padding: 14px 32px; font-size: 15px; border-radius: var(--radius-lg); }

.btn-ghost {
  display: inline-block;
  color: var(--blue-600);
  border: 1.5px solid var(--blue-600);
  padding: 11px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: background 0.2s;
}
.btn-ghost:hover { background: var(--blue-50); }
.btn-ghost.btn-lg { padding: 13px 32px; font-size: 15px; border-radius: var(--radius-lg); }

.btn-white {
  display: inline-block;
  background: #fff;
  color: var(--blue-600);
  padding: 14px 32px;
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
}
.btn-white:hover { opacity: 0.92; transform: translateY(-1px); }

.btn-ghost-white {
  display: inline-block;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.6);
  padding: 13px 32px;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: background 0.2s;
}
.btn-ghost-white:hover { background: rgba(255,255,255,0.15); }

/* ============================
   导航
   ============================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.2s;
}
.navbar.scrolled { box-shadow: var(--shadow-md); }

.nav-inner {
  display: flex;
  align-items: center;
  height: 64px;
  gap: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  margin-right: 40px;
}
.logo-icon { display: flex; align-items: center; }
.logo-icon img { width: 26px; height: 26px; object-fit: contain; border-radius: 4px; }
.logo-text { font-size: 20px; font-weight: 700; color: var(--gray-900); letter-spacing: -0.5px; }
.logo-text em { font-style: normal; color: var(--blue-600); }

.nav-links { display: flex; align-items: center; gap: 4px; flex: 1; }
.nav-links a {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover, .nav-links a.active { color: var(--blue-600); background: var(--blue-50); }

.nav-cta { margin-left: auto; white-space: nowrap; }

.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--gray-700); border-radius: 2px; transition: all 0.2s; }

/* ============================
   Hero
   ============================ */
.hero {
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #F0F6FF 0%, #fff 60%);
}

.hero-inner { text-align: center; position: relative; z-index: 1; }

.hero-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--teal-600);
  background: #E1F5EE;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 54px;
  font-weight: 800;
  line-height: 1.15;
  color: var(--gray-900);
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-actions { display: flex; gap: 14px; justify-content: center; margin-bottom: 56px; }

.hero-metrics {
  display: inline-flex;
  align-items: center;
  gap: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 20px 32px;
  box-shadow: var(--shadow-md);
}
.metric { text-align: center; padding: 0 24px; }
.metric-num { display: block; font-size: 22px; font-weight: 700; color: var(--blue-600); }
.metric-label { display: block; font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.metric-divider { width: 1px; height: 40px; background: var(--border); }

.hero-bg-shape {
  position: absolute;
  top: -100px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(24,95,165,0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* ============================
   痛点区域
   ============================ */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.pain-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: box-shadow 0.2s, transform 0.15s;
}
.pain-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.pain-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.pain-icon svg { width: 22px; height: 22px; }
.pain-card--first .pain-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  margin-bottom: 0; flex-shrink: 0;
}
.pain-card--first .pain-icon svg { width: 26px; height: 26px; }
.pain-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; color: var(--gray-900); }
.pain-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.65; }

/* 首位痛点特殊样式 */
.pain-card--first {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, #FFF8EC 0%, #FAEEDA 100%);
  border-color: var(--amber-600);
  border-width: 2px;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 20px;
  position: relative;
}
.pain-card--first .pain-icon { }
.pain-card--first h3 { font-size: 18px; }
.pain-badge {
  display: inline-block;
  margin-top: 10px;
  background: var(--amber-600);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  text-align: center;
  white-space: nowrap;
}

.pain-arrow { display: flex; align-items: center; justify-content: center; gap: 0; margin-top: 8px; }
.arrow-line { flex: 1; max-width: 120px; height: 2px; background: var(--blue-600); }
.arrow-tip {
  background: var(--blue-600);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 28px;
  border-radius: 40px;
}

/* ============================
   产品功能
   ============================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: box-shadow 0.2s, transform 0.15s;
}
.feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.feature-card--main {
  grid-column: span 1;
  border-color: var(--blue-600);
  background: var(--blue-50);
}

.feature-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, #1a3a8f, #2563eb);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.feature-icon svg { width: 26px; height: 26px; }
.feature-card--main .feature-icon {
  background: linear-gradient(135deg, #1a3a8f, #3b82f6);
}
.feature-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.65; margin-bottom: 16px; }
.feature-link { font-size: 13px; font-weight: 600; color: var(--blue-600); text-decoration: none; }
.feature-link:hover { text-decoration: underline; }

/* ============================
   价值对比
   ============================ */
.value-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.value-text .section-title { font-size: 30px; }
.value-text p { font-size: 15px; color: var(--text-secondary); margin-bottom: 24px; }

.value-list { list-style: none; margin-bottom: 32px; }
.value-list li {
  font-size: 14px;
  font-weight: 500;
  padding: 6px 0;
  color: var(--gray-900);
  border-bottom: 1px solid var(--border);
}
.value-list li:last-child { border-bottom: none; }

.compare-card {
  display: flex;
  align-items: stretch;
  gap: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.compare-col { flex: 1; display: flex; flex-direction: column; }
.compare-head {
  padding: 14px;
  text-align: center;
  font-size: 14px;
  font-weight: 700;
}
.compare-col--old .compare-head { background: var(--gray-100); color: var(--text-secondary); }
.compare-col--new .compare-head { background: var(--blue-600); color: #fff; }

.compare-item {
  flex: 1;
  padding: 14px 16px;
  font-size: 13px;
  text-align: center;
  border-top: 1px solid var(--border);
  line-height: 1.5;
}
.compare-item small { display: block; font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.compare-item.bad { background: #fff; color: var(--text-secondary); }
.compare-item.good { background: #EBF5FF; color: var(--blue-800); font-weight: 500; }
.compare-item.good small { color: var(--teal-600); }

.compare-vs {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--gray-100);
  flex-shrink: 0;
}

/* ============================
   行业
   ============================ */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 8px;
}

.industry-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  text-decoration: none;
  transition: box-shadow 0.2s, transform 0.15s, border-color 0.15s;
}
.industry-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--blue-600);
}
.industry-icon { font-size: 32px; margin-bottom: 12px; display: block; }
.industry-name { font-size: 15px; font-weight: 600; color: var(--gray-900); margin-bottom: 6px; }
.industry-desc { font-size: 13px; color: var(--text-muted); }

/* ============================
   客户案例
   ============================ */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.case-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: box-shadow 0.2s;
}
.case-card:hover { box-shadow: var(--shadow-md); }

.case-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--teal-600);
  background: #E1F5EE;
  padding: 3px 10px;
  border-radius: 20px;
  text-align: center;
}
  margin-bottom: 12px;
}
.case-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 10px; }
.case-card p { font-size: 14px; color: var(--text-secondary); margin-bottom: 20px; line-height: 1.65; }

.case-metrics { display: flex; gap: 16px; }
.case-metric { flex: 1; }
.case-metric span { display: block; font-size: 20px; font-weight: 700; color: var(--blue-600); }
.case-metric { font-size: 12px; color: var(--text-muted); }

/* ============================
   CTA 横幅
   ============================ */
.cta-banner {
  background: linear-gradient(135deg, var(--blue-600) 0%, var(--blue-800) 100%);
  color: #fff;
}
.cta-inner { text-align: center; }
.cta-banner h2 { font-size: 34px; font-weight: 700; margin-bottom: 12px; }
.cta-banner p { font-size: 17px; opacity: 0.85; margin-bottom: 36px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; }

/* ============================
   页脚
   ============================ */
.footer { background: var(--gray-900); color: #fff; padding: 56px 0 0; }

.footer-inner {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 80px;
  padding-bottom: 40px;
}

/* 页脚三栏：产品 | 公司 | 联系我们 */
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  margin-bottom: 2px;
  letter-spacing: 0.05em;
}
.footer-col a {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-col a:hover { color: #fff; }

/* 联系信息列 */
.footer-contact { min-width: 220px; }
.footer-contact h4 {
  font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.5);
  margin-bottom: 8px; letter-spacing: 0.05em;
}
.footer-contact-item {
  display: flex; align-items: center; gap: 7px;
  font-size: 13px; color: rgba(255,255,255,0.65); margin-bottom: 6px;
}
.footer-contact-item svg {
  width: 14px; height: 14px; flex-shrink: 0; opacity: 0.5;
}
.footer-contact-phone {
  font-size: 17px; font-weight: 700; color: rgba(255,255,255,0.9);
  letter-spacing: 0.3px; margin-bottom: 10px;
}
.footer-contact-qr {
  display: flex; align-items: center; gap: 10px; margin-top: 6px;
}
.footer-contact-qr img {
  width: 70px; height: 70px; border-radius: 4px; background: #fff; padding: 2px;
}
.footer-contact-qr span {
  font-size: 11px; color: rgba(255,255,255,0.4); line-height: 1.55;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 16px 24px;
  text-align: center;
}
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.35); }

/* ============================
   产品功能页
   ============================ */
.page-hero {
  padding: 120px 0 60px;
  background: linear-gradient(160deg, #F0F6FF 0%, #fff 60%);
  text-align: center;
}
.page-hero .section-title { margin-bottom: 12px; }
.page-hero p { font-size: 17px; color: var(--text-secondary); max-width: 560px; margin: 0 auto; }

.feature-detail-section { padding: 64px 0; }
.feature-detail-section:nth-child(even) { background: var(--gray-50); }

.feature-detail-inner {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: center;
}
.feature-detail-inner.reverse { direction: ltr; }

.feature-detail-text {
  max-width: 720px;
  text-align: center;
}
.feature-detail-text .feature-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--blue-600);
  background: var(--blue-50);
  padding: 3px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.feature-detail-text h2 { font-size: 28px; font-weight: 700; margin-bottom: 14px; line-height: 1.3; }
.feature-detail-text p { font-size: 15px; color: var(--text-secondary); margin-bottom: 20px; line-height: 1.75; }

.feature-points { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; text-align: left; }
.feature-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}
.feature-points li::before {
  content: "✓";
  flex-shrink: 0;
  width: 20px; height: 20px;
  background: var(--blue-600);
  color: #fff;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.feature-visual {
  background: #fff;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
  position: relative;
  width: fit-content;
  max-width: 100%;
  padding: 0;
}
.feature-visual img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 20px rgba(0,0,0,0.10);
}
.feature-visual-caption {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 10px;
  padding: 0 12px 4px;
}

.mock-screen {
  width: 90%;
  height: 90%;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mock-header { height: 32px; background: var(--blue-600); border-radius: var(--radius-sm); display: flex; align-items: center; padding: 0 12px; gap: 6px; }
.mock-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.4); }
.mock-title-bar { flex: 1; height: 12px; background: rgba(255,255,255,0.3); border-radius: 3px; }
.mock-gantt { flex: 1; display: flex; flex-direction: column; gap: 6px; padding: 4px 0; }
.mock-row { display: flex; align-items: center; gap: 8px; }
.mock-label { width: 50px; height: 10px; background: var(--gray-200); border-radius: 3px; flex-shrink: 0; }
.mock-bar { height: 14px; border-radius: 4px; flex-shrink: 0; }
.mock-bar.b1 { width: 35%; background: #B5D4F4; }
.mock-bar.b2 { width: 25%; margin-left: 10%; background: #9FE1CB; }
.mock-bar.b3 { width: 40%; background: #FAC775; }
.mock-bar.b4 { width: 20%; margin-left: 5%; background: #B5D4F4; }
.mock-bar.b5 { width: 30%; margin-left: 20%; background: #9FE1CB; }

/* ============================
   解决方案页
   ============================ */
.solutions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 48px;
}
.solution-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  transition: box-shadow 0.2s, transform 0.15s;
  scroll-margin-top: 80px;
}
.solution-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.solution-card-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, #1a3a8f, #2563eb);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.solution-card-icon svg { width: 28px; height: 28px; }
.solution-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }

.solution-flow { display: flex; align-items: center; gap: 8px; margin: 20px 0; flex-wrap: wrap; }
.flow-step {
  background: var(--blue-50);
  color: var(--blue-600);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 20px;
}
.flow-arrow { color: var(--text-muted); font-size: 14px; }

.solution-result {
  background: var(--gray-50);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 16px;
}
.solution-result strong { color: var(--teal-600); }

.solution-model-tag {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 14px;
  padding: 10px 14px;
  background: var(--blue-50);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--blue-600);
}

/* ============================
   客户案例页
   ============================ */
.case-detail-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  margin-bottom: 28px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  align-items: start;
  transition: box-shadow 0.2s;
}
.case-detail-card:hover { box-shadow: var(--shadow-lg); }
.case-side { display: flex; flex-direction: column; gap: 12px; }
.case-big-tag svg { width: 18px; height: 18px; vertical-align: -3px; margin-right: 5px; }
.case-big-tag { font-size: 13px; font-weight: 600; color: var(--teal-600); background: #E1F5EE; padding: 5px 16px; border-radius: 20px; display: inline-flex; align-items: center; justify-content: center; }
.case-side h3 { font-size: 20px; font-weight: 700; color: var(--gray-900); line-height: 1.3; }
.case-side p { font-size: 13px; color: var(--text-muted); }
.case-kpis { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
.case-kpi { display: flex; align-items: center; gap: 10px; }
.case-kpi-num { font-size: 22px; font-weight: 700; color: var(--blue-600); min-width: 70px; }
.case-kpi-label { font-size: 13px; color: var(--text-secondary); }

.case-story h4 { font-size: 14px; font-weight: 600; color: var(--text-muted); margin: 20px 0 8px; letter-spacing: 0.04em; }
.case-story h4:first-child { margin-top: 0; }
.case-story p { font-size: 14px; color: var(--text-secondary); line-height: 1.75; }

/* ============================
   咨询报价页
   ============================ */
.pricing-intro { text-align: center; padding: 80px 0 40px; background: linear-gradient(160deg, #F0F6FF 0%, #fff 70%); }
.pricing-tagline {
  font-size: 42px; font-weight: 800; line-height: 1.2;
  color: var(--gray-900); margin-bottom: 16px; letter-spacing: -1px;
}
.pricing-tagline span { color: var(--blue-600); }

.pricing-form-section { padding: 40px 0 80px; }
.pricing-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.pricing-benefits h2 { font-size: 24px; font-weight: 700; margin-bottom: 24px; }
.benefit-list { display: flex; flex-direction: column; gap: 16px; }
.benefit-item { display: flex; gap: 14px; align-items: flex-start; }
.benefit-num {
  width: 32px; height: 32px; flex-shrink: 0;
  background: var(--blue-600); color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700;
}
.benefit-item h4 { font-size: 15px; font-weight: 600; margin-bottom: 3px; }
.benefit-item p { font-size: 13px; color: var(--text-secondary); }

.contact-form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-md);
}
.contact-form h3 { font-size: 20px; font-weight: 700; margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: inherit;
  color: var(--text-primary);
  background: #fff;
  transition: border-color 0.15s;
  outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--blue-600); }
.form-group textarea { resize: vertical; min-height: 80px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-submit { width: 100%; padding: 14px; font-size: 15px; border: none; cursor: pointer; font-family: inherit; }

/* ============================
   关于我们页
   ============================ */
.about-hero { padding: 120px 0 64px; background: linear-gradient(160deg, #F0F6FF 0%, #fff 60%); }
.about-content { padding: 64px 0; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text h2 { font-size: 30px; font-weight: 700; margin-bottom: 16px; line-height: 1.3; }
.about-text p { font-size: 15px; color: var(--text-secondary); margin-bottom: 16px; line-height: 1.8; }

.about-visual {
  background: var(--blue-50);
  border-radius: var(--radius-xl);
  padding: 36px;
  border: 1px solid var(--blue-100);
}
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.about-stat { text-align: center; }
.about-stat-num { font-size: 36px; font-weight: 800; color: var(--blue-600); }
.about-stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* 资质荣誉卡片 */
.cert-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.cert-img-wrap {
  background: #f8f9fa;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
}
.cert-img-wrap img {
  max-width: 100%;
  height: auto;
  max-height: 280px;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.cert-info {
  padding: 20px;
}
.cert-info h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.cert-info p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 3px;
}
.cert-info .cert-issuer {
  margin-top: 6px;
  color: var(--gray-500);
  font-size: 11px;
}

.team-section { padding: 64px 0; background: var(--gray-50); }
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.team-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px;
  text-align: center;
}
.team-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--blue-50);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  margin: 0 auto 16px;
  border: 2px solid var(--blue-100);
}
.team-card h4 { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.team-card .team-title { font-size: 13px; color: var(--blue-600); font-weight: 500; margin-bottom: 10px; }
.team-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.65; }

/* ============================
   PMC之光 vs 传统APS 对比
   ============================ */
.compare-section { background: var(--gray-50); }

.compare-table-wrap {
  overflow-x: auto;
  margin-top: 40px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 14px;
}

.compare-table thead tr {
  background: linear-gradient(135deg, var(--blue-600) 0%, var(--blue-800) 100%);
}

.compare-table th {
  padding: 16px 20px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  text-align: left;
}

.compare-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.65;
  color: var(--text-secondary);
}

.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table tbody tr:nth-child(even) { background: #FAFAF8; }

.compare-table tbody tr:hover { background: var(--blue-50); }

.compare-dim {
  width: 140px;
  min-width: 120px;
}

.compare-excel {
  width: 24%;
  background: rgba(0,0,0,0.15) !important;
  font-size: 13px !important;
}

.compare-legacy {
  width: 24%;
  background: rgba(255,255,255,0.1) !important;
}

.compare-ours {
  width: 28%;
  background: rgba(255,255,255,0.15) !important;
}

.dim-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 6px;
}
.dim-icon svg { width: 18px; height: 18px; }

.dim-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-900);
}

.cost-high {
  display: inline-block;
  background: #FCEBEB;
  color: var(--red-600);
  font-weight: 700;
  padding: 3px 14px;
  border-radius: 20px;
  font-size: 13px;
}

.cost-mid {
  display: inline-block;
  background: #FAEEDA;
  color: var(--amber-600);
  font-weight: 700;
  padding: 3px 14px;
  border-radius: 20px;
  font-size: 13px;
}

.cost-low {
  display: inline-block;
  background: #E1F5EE;
  color: var(--teal-600);
  font-weight: 700;
  padding: 3px 14px;
  border-radius: 20px;
  font-size: 13px;
}

/* 关键洞察 */
.compare-insight {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-top: 36px;
  background: linear-gradient(135deg, var(--blue-50) 0%, #fff 100%);
  border: 1px solid var(--blue-100);
  border-radius: var(--radius-xl);
  padding: 24px 28px;
}

.insight-icon { width: 40px; height: 40px; border-radius: 10px; background: linear-gradient(135deg, #eff6ff, #dbeafe); display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px; }
.insight-icon svg { width: 22px; height: 22px; }

.compare-insight p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0;
}

.compare-insight strong {
  color: var(--blue-600);
}

/* ============================
   响应式 - 追加
   ============================ */
@media (max-width: 900px) {
  .hero-title { font-size: 38px; }
  .compare-table .compare-dim { min-width: 100px; width: 110px; }
  .compare-table td, .compare-table th { padding: 12px 12px; font-size: 12px; }
}
  .hero-title { font-size: 38px; }
  .hero-metrics { flex-wrap: wrap; padding: 16px 20px; gap: 8px; }
  .metric-divider { display: none; }
  .metric { padding: 8px 16px; }
  .pain-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .value-inner { grid-template-columns: 1fr; gap: 40px; }
  .industry-grid { grid-template-columns: repeat(3, 1fr); }
  .cases-grid { grid-template-columns: 1fr; }
  .solutions-grid { grid-template-columns: 1fr; }
  .case-detail-card { grid-template-columns: 1fr; }
  .pricing-wrapper { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .feature-detail-inner { gap: 24px; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}

@media (max-width: 640px) {
  .section-pad { padding: 56px 0; }
  .section-title { font-size: 26px; }
  .hero { padding: 110px 0 56px; }
  .hero-title { font-size: 30px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .pain-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .menu-toggle { display: flex; }
  .cta-actions { flex-direction: column; align-items: center; }
  .hero-metrics { border-radius: var(--radius-lg); padding: 12px; }
  .compare-table .compare-dim { min-width: 110px; width: 130px; }
  .compare-insight { flex-direction: column; gap: 10px; padding: 20px; }
  .cert-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 24px; }
}

/* ============================
   客户案例墙（图片直展）
   ============================ */
.client-wall { padding: 48px 0; background: var(--gray-50); }
.client-wall-img {
  width: 100%;
  max-width: 1200px;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

/* 首页精简版客户墙 */
.client-strip {
  padding: 48px 0;
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.client-strip-title {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 28px;
  letter-spacing: 0.04em;
}
.client-strip-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 32px 44px;
  max-width: 1100px;
  margin: 0 auto;
}
.client-strip-item {
  font-size: 17px;
  font-weight: 700;
  color: var(--gray-400);
  letter-spacing: -0.02em;
  transition: color 0.15s;
  white-space: nowrap;
  opacity: 0.7;
}
.client-strip-item:hover { opacity: 1; color: var(--gray-600); }

/* 客户墙响应式 */
@media (max-width: 900px) {
  .client-logo-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 12px; }
  .client-industry-panel { padding: 24px 20px; }
}
@media (max-width: 640px) {
  .client-logo-grid { grid-template-columns: repeat(auto-fill, minmax(105px, 1fr)); gap: 10px; }
  .client-logo-card { padding: 12px 8px 8px; }
  .client-logo-name { font-size: 11px; max-width: 90px; }
  .client-strip-grid { gap: 20px 30px; }
  .client-strip-item { font-size: 14px; }
}

/* ============================
   行业建模 / 案例筛选
   ============================ */
.industry-model-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.industry-model-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px;
  transition: box-shadow 0.2s, transform 0.15s;
}
.industry-model-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.industry-model-card--coming { background: var(--gray-50); border-style: dashed; }

.im-icon { font-size: 32px; margin-bottom: 10px; }
.im-tag {
  display: inline-flex;
  align-items: center;
  background: var(--blue-50);
  color: var(--blue-600);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}
.im-tag svg { width: 15px; height: 15px; margin-right: 5px; flex-shrink: 0; }
.industry-model-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; color: var(--gray-900); }
.industry-model-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 12px; }
.im-features { display: flex; flex-wrap: wrap; gap: 6px; }
.im-features span { font-size: 11px; background: var(--gray-100); color: var(--text-secondary); padding: 3px 10px; border-radius: 20px; font-weight: 500; }

.industry-model-insight {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-top: 36px;
  background: linear-gradient(135deg, var(--amber-50) 0%, #fff 100%);
  border: 1px solid #E8D5AB;
  border-radius: var(--radius-xl);
  padding: 22px 28px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}
.industry-model-insight .insight-icon { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, #fef3c7, #fde68a); display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px; }
.industry-model-insight .insight-icon svg { width: 20px; height: 20px; }
.industry-model-insight strong { color: var(--amber-600); }

/* 案例筛选栏 */
.cases-filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 36px;
  padding: 16px 20px;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.cases-filter-label { font-size: 13px; color: var(--text-muted); font-weight: 600; }
.filter-btn {
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}
.filter-btn:hover { border-color: var(--blue-600); color: var(--blue-600); }
.filter-btn--active { background: var(--blue-600); color: #fff; border-color: var(--blue-600); }

/* 案例行业标签升级 */
.case-industry-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.case-model-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--teal-600);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 14px;
  border-radius: 20px;
}
.case-story-tag {
  display: inline-block;
  background: var(--amber-50);
  color: var(--amber-600);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
  border: 1px solid #E8D5AB;
}

/* ============================
   APS失败案例分析
   ============================ */
.failure-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.failure-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px;
  transition: box-shadow 0.2s;
}
.failure-card:hover { box-shadow: var(--shadow-md); }
.failure-num { font-size: 36px; font-weight: 800; color: var(--gray-200); line-height: 1; margin-bottom: 10px; }
.failure-card h3 { font-size: 15px; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; line-height: 1.4; }
.failure-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.75; margin-bottom: 16px; }
.failure-lesson {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  background: linear-gradient(135deg, #E1F5EE 0%, #f5fff9 100%);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: 13px;
  color: var(--teal-600);
  line-height: 1.6;
  font-weight: 500;
}
.lesson-icon {
  flex-shrink: 0;
  width: 18px; height: 18px;
  background: var(--teal-600);
  color: #fff;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}
.failure-summary {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-top: 40px;
  background: linear-gradient(135deg, #fff 0%, var(--blue-50) 100%);
  border: 1px solid var(--blue-100);
  border-radius: var(--radius-xl);
  padding: 24px 28px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}
.failure-summary-icon { width: 40px; height: 40px; border-radius: 10px; background: linear-gradient(135deg, #1a3a8f, #2563eb); display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px; }
.failure-summary-icon svg { width: 22px; height: 22px; }
.failure-summary strong { color: var(--blue-600); }
.failure-summary em { color: var(--amber-600); font-style: normal; font-weight: 600; }

@media (max-width: 900px) {
  .failure-grid { grid-template-columns: 1fr 1fr; }
  .industry-model-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .failure-grid { grid-template-columns: 1fr; }
  .industry-model-grid { grid-template-columns: 1fr; }
  .cases-filter-bar { gap: 8px; }
  .pain-card--first { flex-direction: column; }
}