/* ===== sunbaoxin.site · Hugo v1.1 丰满版 ===== */

:root {
  --c-text: #0f172a;
  --c-text-2: #475569;
  --c-text-3: #94a3b8;
  --c-bg: #ffffff;
  --c-bg-cream: #faf7f2;
  --c-bg-dark: #0b1220;
  --c-bg-dark-2: #111827;
  --c-accent: #ff6b35;
  --c-accent-2: #f59e0b;
  --c-primary: #1e40af;
  --c-primary-2: #3b82f6;
  --c-line: #e5e7eb;
  --c-line-dark: #1f2937;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 6px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 18px 40px rgba(0,0,0,0.10);
  --shadow-xl: 0 30px 60px rgba(0,0,0,0.14);
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

a { color: inherit; text-decoration: none; }

/* ===== 导航 ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--c-line);
}
.nav-inner {
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
}
.nav-brand {
  font-weight: 700;
  font-size: 17px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-dot {
  width: 10px;
  height: 10px;
  background: var(--c-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(255,107,53,0.15);
}
.nav-logo {
  height: 44px;
  width: auto;
  display: block;
}
.nav-links {
  display: flex;
  gap: 28px;
  flex: 1;
  justify-content: center;
}
.nav-links a {
  color: var(--c-text-2);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}
.nav-links a:hover {
  color: var(--c-text);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 4px;
  height: 4px;
  background: var(--c-accent);
  border-radius: 50%;
  transition: transform var(--transition);
}
.nav-links a:hover::after {
  transform: translateX(-50%) scaleX(1);
}
.nav-cta {
  background: var(--c-accent);
  color: white;
  padding: 9px 20px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-cta:hover {
  background: #e55a2b;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 80px 0 100px;
  background: linear-gradient(180deg, #fef7f0 0%, #ffffff 100%);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.4;
}
.shape-1 {
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, #ff6b35 0%, #f59e0b 100%);
  top: -100px;
  right: -100px;
}
.shape-2 {
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
  bottom: -50px;
  left: -50px;
  opacity: 0.3;
}
.shape-3 {
  width: 250px;
  height: 250px;
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  top: 50%;
  left: 40%;
  opacity: 0.2;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-content {}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: white;
  border: 1px solid var(--c-line);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 13px;
  color: var(--c-text-2);
  font-weight: 500;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}
.badge-dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(16,185,129,0.2);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.hero-name {
  font-size: 60px;
  font-weight: 800;
  letter-spacing: -2px;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #0f172a 0%, #1e40af 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-title {
  font-size: 22px;
  color: var(--c-text-2);
  font-weight: 500;
  margin-bottom: 24px;
}
.hero-tagline {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 28px;
}
.tagline-line {
  font-size: 17px;
  color: var(--c-text);
  font-weight: 500;
  position: relative;
  padding-left: 18px;
}
.tagline-line::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--c-accent);
  border-radius: 2px;
  transform: translateY(-50%) rotate(45deg);
}
.hero-path {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border-left: 4px solid var(--c-accent);
  padding: 16px 20px;
  border-radius: var(--radius);
  margin-bottom: 32px;
  font-size: 16px;
  color: #92400e;
  font-weight: 500;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--c-accent) 0%, #f59e0b 100%);
  color: white;
  box-shadow: 0 8px 20px rgba(255,107,53,0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255,107,53,0.35);
}
.btn-secondary {
  background: white;
  color: var(--c-text);
  border: 1.5px solid var(--c-line);
}
.btn-secondary:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  transform: translateY(-2px);
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 500px;
}
.stat {
  background: white;
  padding: 18px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--c-line);
  text-align: center;
  transition: all var(--transition);
}
.stat:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.stat-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--c-accent);
  letter-spacing: -1px;
  line-height: 1;
}
.stat-unit {
  font-size: 16px;
  margin-left: 2px;
}
.stat-label {
  font-size: 12px;
  color: var(--c-text-2);
  margin-top: 4px;
}

/* Hero Avatar */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-avatar-wrap {
  position: relative;
  width: 320px;
  height: 320px;
}
.hero-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 6px solid white;
  box-shadow: var(--shadow-xl);
  position: relative;
  z-index: 2;
}
.hero-avatar-ring {
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  border: 2px dashed var(--c-accent);
  opacity: 0.4;
  animation: spin 30s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.hero-avatar-tag {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-2) 100%);
  color: white;
  padding: 12px 24px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-md);
  z-index: 3;
  white-space: nowrap;
}
.hero-avatar-tag span:first-child {
  font-size: 18px;
}

/* ===== Section Base ===== */
.section {
  padding: 100px 0;
  position: relative;
}
.section-light { background: white; }
.section-cream { background: var(--c-bg-cream); }
.section-dark {
  background: var(--c-bg-dark);
  color: white;
}
.section-dark .section-title { color: white; }
.section-dark .section-eyebrow { color: var(--c-accent-2); }
.section-dark .section-subtitle { color: rgba(255,255,255,0.7); }

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--c-accent);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section-eyebrow.light { color: var(--c-accent-2); }
.section-title {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
  line-height: 1.3;
}
.section-title.light { color: white; }
.section-subtitle {
  font-size: 17px;
  color: var(--c-text-2);
  max-width: 600px;
  margin: 0 auto;
}
.section-subtitle.light { color: rgba(255,255,255,0.7); }

/* ===== 品牌卡 · 服务过 ===== */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.brand-card {
  background: white;
  padding: 32px 20px;
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid var(--c-line);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.brand-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255,107,53,0.05) 100%);
  opacity: 0;
  transition: opacity var(--transition);
}
.brand-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--c-accent);
}
.brand-card:hover::before {
  opacity: 1;
}
.brand-logo {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.brand-apple .brand-logo { color: #000; }
.brand-intel .brand-logo { color: #0071c5; }
.brand-qualcomm .brand-logo { color: #e60012; }
.brand-dji .brand-logo { color: #000; }
.brand-xiaomi .brand-logo { color: #ff6700; }

.brand-period {
  display: inline-block;
  background: linear-gradient(135deg, var(--c-accent) 0%, #f59e0b 100%);
  color: white;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.brand-role {
  font-size: 13px;
  color: var(--c-text-2);
  line-height: 1.5;
  position: relative;
  z-index: 1;
}

/* ===== 时间线 · 成长路径 ===== */
.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding-left: 60px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 22px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--c-accent) 0%, var(--c-primary) 100%);
  opacity: 0.3;
}
.timeline-item {
  position: relative;
  margin-bottom: 40px;
}
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -44px;
  top: 12px;
  width: 16px;
  height: 16px;
  background: var(--c-accent);
  border: 4px solid var(--c-bg-dark);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(255,107,53,0.2);
  z-index: 2;
}
.timeline-item.highlight .timeline-dot {
  background: var(--c-accent-2);
  width: 20px;
  height: 20px;
  left: -46px;
  top: 10px;
  box-shadow: 0 0 0 6px rgba(245,158,11,0.3);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 6px rgba(245,158,11,0.3); }
  50% { box-shadow: 0 0 0 12px rgba(245,158,11,0.1); }
}
.timeline-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 24px 28px;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}
.timeline-card:hover {
  background: rgba(255,255,255,0.08);
  transform: translateX(8px);
  border-color: var(--c-accent);
}
.timeline-item.highlight .timeline-card {
  background: linear-gradient(135deg, rgba(255,107,53,0.15) 0%, rgba(245,158,11,0.1) 100%);
  border-color: rgba(255,107,53,0.3);
}
.timeline-year {
  font-size: 13px;
  color: var(--c-accent-2);
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.timeline-title {
  font-size: 20px;
  font-weight: 700;
  color: white;
  margin-bottom: 8px;
}
.timeline-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
}

/* ===== 工作流 · 训前训中训后 ===== */
.work-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}
.work-step {
  background: white;
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-line);
  transition: all var(--transition);
  position: relative;
}
.work-step::after {
  content: '→';
  position: absolute;
  right: -22px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 28px;
  color: var(--c-accent);
  font-weight: 700;
  z-index: 2;
}
.work-step:last-child::after { display: none; }
.work-step:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--c-accent);
}
.work-step-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--c-accent) 0%, #f59e0b 100%);
  color: white;
  border-radius: 16px;
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 20px;
  box-shadow: 0 8px 20px rgba(255,107,53,0.25);
}
.work-step-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--c-text);
}
.work-step-desc ul {
  list-style: none;
  padding: 0;
}
.work-step-desc li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--c-text-2);
}
.work-step-desc li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 12px;
  height: 2px;
  background: var(--c-accent);
}

/* ===== 适合谁 · 3 类 ===== */
.fit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.fit-card {
  background: white;
  padding: 36px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-line);
  position: relative;
  transition: all var(--transition);
  overflow: hidden;
}
.fit-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--c-accent);
}
.fit-num {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 48px;
  font-weight: 800;
  color: rgba(255,107,53,0.1);
  line-height: 1;
}
.fit-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--c-accent) 0%, #f59e0b 100%);
  color: white;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 16px;
}
.fit-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--c-text);
}
.fit-desc {
  font-size: 14px;
  color: var(--c-text-2);
  line-height: 1.7;
  margin-bottom: 16px;
}
.fit-arrow {
  font-size: 24px;
  color: var(--c-accent);
  font-weight: 700;
}

/* ===== 课程卡 ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: white;
  padding: 36px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-line);
  transition: all var(--transition);
  position: relative;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--c-accent);
}
.service-card.featured {
  background: linear-gradient(135deg, #fff7ed 0%, white 100%);
  border-color: var(--c-accent);
  box-shadow: 0 12px 32px rgba(255,107,53,0.15);
}
.service-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: linear-gradient(135deg, var(--c-accent) 0%, #f59e0b 100%);
  color: white;
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}
.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
  border-radius: 16px;
  font-size: 28px;
  margin-bottom: 20px;
}
.service-card.featured .service-icon {
  background: linear-gradient(135deg, var(--c-accent) 0%, #f59e0b 100%);
  color: white;
}
.service-title {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--c-text);
}
.service-desc {
  font-size: 14px;
  color: var(--c-text-2);
  line-height: 1.7;
  margin-bottom: 20px;
}
.service-meta {
  font-size: 13px;
  color: var(--c-text-3);
  border-top: 1px dashed var(--c-line);
  padding-top: 14px;
}

/* ===== 案例卡 ===== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.case-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--c-line);
  transition: all var(--transition);
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.case-image {
  height: 160px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 20px;
}
.case-image-dji {
  background: linear-gradient(135deg, #000 0%, #1f2937 100%);
}
.case-image-xiaomi {
  background: linear-gradient(135deg, #ff6700 0%, #ff8c00 100%);
}
.case-image-apple {
  background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
}
.case-image-intel {
  background: linear-gradient(135deg, #0071c5 0%, #003c71 100%);
}
.case-image-qualcomm {
  background: linear-gradient(135deg, #e60012 0%, #b00000 100%);
}
.case-image-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.15) 0%, transparent 50%);
}
.case-image-tag {
  position: relative;
  z-index: 1;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
  color: white;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
}
.case-body { padding: 28px; }
.case-meta {
  font-size: 12px;
  color: var(--c-text-3);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  font-weight: 600;
}
.case-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--c-text);
}
.case-desc {
  font-size: 14px;
  color: var(--c-text-2);
  line-height: 1.7;
  margin-bottom: 16px;
}
.case-result {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
  border-left: 3px solid #22c55e;
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  color: #166534;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}
.case-result-icon {
  font-size: 18px;
}

/* ===== 联系 ===== */
.contact {
  background: var(--c-bg-dark);
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}
.contact-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}
.contact-card:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-4px);
  border-color: var(--c-accent);
}
.contact-icon {
  font-size: 32px;
  margin-bottom: 12px;
}
.contact-label {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.contact-value {
  font-size: 18px;
  font-weight: 700;
  color: white;
  word-break: break-all;
  margin-bottom: 8px;
}
.contact-value a {
  color: white;
  border-bottom: 1px dashed rgba(255,255,255,0.4);
}
.contact-value a:hover { border-bottom-style: solid; }
.contact-placeholder {
  color: rgba(255,255,255,0.4);
  font-style: italic;
  font-size: 16px;
}
.contact-tip {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

/* QR Section */
.qr-section {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 48px;
  align-items: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 48px;
  border-radius: var(--radius-lg);
  max-width: 720px;
  margin: 0 auto;
}
.qr-placeholder {
  width: 180px;
  height: 180px;
  background: white;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.qr-placeholder-inner {
  text-align: center;
  color: var(--c-text-2);
  font-size: 13px;
}
.qr-icon {
  font-size: 36px;
  margin-bottom: 8px;
}
.qr-hint {
  font-size: 11px;
  color: var(--c-text-3);
  margin-top: 4px;
}
.qr-text h3 {
  font-size: 22px;
  color: white;
  margin-bottom: 12px;
}
.qr-text p {
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  line-height: 1.7;
}

/* ===== Footer ===== */
.footer {
  background: var(--c-bg-dark-2);
  color: rgba(255,255,255,0.6);
  padding: 48px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 2fr 1fr;
  gap: 48px;
  align-items: start;
}
.footer-name {
  font-size: 20px;
  font-weight: 700;
  color: white;
  margin-bottom: 4px;
}
.footer-tag {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--c-accent); }
.footer-meta {
  text-align: right;
  font-size: 13px;
}
.footer-by {
  margin-top: 8px;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}
.footer-by strong { color: var(--c-accent); }

/* ===== Mobile ===== */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-tagline { align-items: center; }
  .hero-actions { justify-content: center; }
  .hero-stats { margin: 0 auto; }
  .brand-grid { grid-template-columns: repeat(2, 1fr); }
  .work-flow { grid-template-columns: 1fr; }
  .work-step::after { display: none; }
  .fit-grid, .service-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .qr-section { grid-template-columns: 1fr; text-align: center; padding: 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; text-align: center; }
  .footer-meta { text-align: center; }
}
@media (max-width: 640px) {
  .hero-name { font-size: 40px; }
  .section-title { font-size: 28px; }
  .section { padding: 60px 0; }
  .hero-avatar-wrap { width: 240px; height: 240px; }
  .contact-grid { grid-template-columns: 1fr; }
  .brand-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
}
/* ===== service-link（看一页纸）===== */
.service-link {
  display: inline-block;
  margin-top: 12px;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--c-accent);
  border: 1px solid var(--c-accent);
  border-radius: 999px;
  transition: 0.2s;
}
.service-link:hover {
  background: var(--c-accent);
  color: #fff;
}
.service-card.featured .service-link {
  color: #fff;
  border-color: #fff;
  background: rgba(255,255,255,0.15);
}
.service-card.featured .service-link:hover {
  background: #fff;
  color: var(--c-accent);
}