/* ==========================================================
   「实施交付」服务详情页 专属样式
   类名统一 impl- 前缀；配色重映射为网站青蓝商务风
   依赖全局 css/style.css（提供 header/footer/按钮 + .hero-grid/.hero-scan）
   ========================================================== */

:root {
  /* 本页主题色（已重映射） */
  --impl-primary: #15B0ED;        /* 网站主色（原 #10688b） */
  --impl-accent: #0E8FC0;         /* 主色加深（原 #0d8bc0） */
  --impl-primary-deep: #0F2F3F;   /* 深青蓝标题（原 #08506e） */
  --impl-text-main: #5F5D5D;      /* 网站正文灰（原 #334155） */
  --impl-text-dim: #7a7878;       /* 浅灰辅助 */
  --impl-text-bright: #0F2F3F;    /* 网站标题深青蓝（原 #0f172a） */
  --impl-gold: #d47b0a;           /* 金色点缀，保留 */
  --impl-green: #0d9488;          /* 绿色，保留 */
  --impl-card-bg: rgba(21, 176, 237, 0.04);
  --impl-card-border: rgba(21, 176, 237, 0.18);
}

/* ==========================================================
   页面正文容器
   ========================================================== */
.impl-body-wrap {
  position: relative;
  z-index: 2;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(21, 176, 237, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(14, 143, 192, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(21, 176, 237, 0.05) 0%, transparent 50%),
    #ffffff;
}

/* ==========================================================
   Hero 区（白底 + 科技网格 + stream，复用首页 .hero-grid/.hero-scan）
   ========================================================== */
.impl-hero {
  position: relative;
  min-height: calc(100vh - 76px);
  margin-top: 76px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 30px 80px;
  overflow: hidden;
  background: #ffffff;
  isolation: isolate;
  z-index: 1;
}

.impl-hero .hero-grid,
.impl-hero .hero-scan,
.impl-hero .banner-fx {
  position: absolute;
}

.impl-hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.impl-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 22px;
  border: 1px solid rgba(21, 176, 237, 0.35);
  border-radius: 100px;
  background: rgba(21, 176, 237, 0.06);
  font-size: 13px;
  color: var(--impl-primary);
  letter-spacing: 4px;
  margin-bottom: 32px;
  animation: implFadeInUp 1s ease-out;
}
.impl-hero-eyebrow .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--impl-primary);
  box-shadow: 0 0 8px var(--impl-primary);
  animation: implBlink 1.5s infinite;
}
@keyframes implBlink { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

.impl-hero-title {
  font-size: 64px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -1px;
  margin: 0 0 24px;
  white-space: nowrap;
  /* 深青蓝文字（白底深字） */
  background: linear-gradient(135deg, #0F2F3F 0%, #15B0ED 55%, #0E8FC0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: implFadeInUp 1.2s ease-out 0.2s backwards;
}
.impl-hero-title .stroke {
  -webkit-text-stroke: 1.5px var(--impl-primary);
  color: transparent;
}

.impl-hero-sub {
  font-size: 18px;
  color: var(--impl-text-dim);
  max-width: 760px;
  line-height: 1.8;
  margin: 0 0 50px;
  animation: implFadeInUp 1.2s ease-out 0.4s backwards;
}
.impl-hero-sub b {
  color: var(--impl-primary);
  font-weight: 600;
}

.impl-scroll-cue {
  position: absolute;
  bottom: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--impl-text-dim);
  letter-spacing: 3px;
  animation: implFadeInUp 1.2s ease-out 0.6s backwards;
  z-index: 2;
}
.impl-scroll-cue .line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--impl-primary), transparent);
  position: relative;
  overflow: hidden;
}
.impl-scroll-cue .line::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 20px;
  background: var(--impl-primary);
  animation: implScrollLine 2s infinite;
}
@keyframes implScrollLine {
  0% { top: -20px; }
  100% { top: 40px; }
}

/* ==========================================================
   通用章节
   ========================================================== */
.impl-section {
  position: relative;
  z-index: 2;
  padding: 120px 30px;
}

.impl-section-head {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 80px;
}
.impl-section-tag {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid rgba(21, 176, 237, 0.35);
  border-radius: 4px;
  font-size: 12px;
  color: var(--impl-primary);
  letter-spacing: 4px;
  margin-bottom: 20px;
  background: rgba(21, 176, 237, 0.06);
}
.impl-section-title {
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 24px;
  background: linear-gradient(135deg, #0F2F3F, #15B0ED);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.impl-section-desc {
  font-size: 16px;
  color: var(--impl-text-dim);
  line-height: 1.8;
}
.impl-section-num {
  display: inline-block;
  font-size: 14px;
  color: var(--impl-primary);
  letter-spacing: 3px;
  margin-bottom: 12px;
  font-family: 'Courier New', monospace;
}

/* ==========================================================
   数据统计
   ========================================================== */
.impl-stats-section {
  position: relative;
  z-index: 2;
  padding: 60px 30px 0;
}
.impl-stats-band {
  max-width: 1300px;
  margin: 0 auto 80px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 40px;
  background: linear-gradient(135deg, rgba(21, 176, 237, 0.04), rgba(21, 176, 237, 0.02));
  border: 1px solid var(--impl-card-border);
  border-radius: 12px;
}
.impl-stat-item {
  text-align: center;
  border-right: 1px solid rgba(21, 176, 237, 0.12);
}
.impl-stat-item:last-child { border-right: none; }
.impl-stat-num {
  font-size: 48px;
  font-weight: 900;
  background: linear-gradient(180deg, #0F2F3F, var(--impl-primary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  margin-bottom: 8px;
  font-family: 'Courier New', monospace;
}
.impl-stat-label {
  font-size: 13px;
  color: var(--impl-text-dim);
  letter-spacing: 2px;
}

/* ==========================================================
   模块1：信息化诊断 - 4阶段时间轴
   ========================================================== */
.impl-phase-timeline {
  max-width: 1300px;
  margin: 0 auto;
  position: relative;
}
.impl-phase-timeline::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 5%;
  right: 5%;
  height: 2px;
  background: linear-gradient(90deg,
    transparent, var(--impl-accent), var(--impl-primary), var(--impl-accent), transparent);
  box-shadow: 0 0 12px rgba(21, 176, 237, 0.3);
}
.impl-phase-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
}
.impl-phase-card {
  background: #ffffff;
  border: 1px solid var(--impl-card-border);
  border-radius: 12px;
  padding: 30px 24px;
  position: relative;
  overflow: hidden;
  transition: all .4s;
  box-shadow: 0 2px 12px rgba(21, 176, 237, 0.06);
}
.impl-phase-card::before {
  content: '';
  position: absolute;
  top: -2px; left: -2px; right: -2px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--impl-primary), transparent);
  transform: translateX(-100%);
  transition: transform .6s;
}
.impl-phase-card:hover {
  transform: translateY(-8px);
  border-color: var(--impl-primary);
  box-shadow: 0 16px 48px rgba(21, 176, 237, 0.15);
}
.impl-phase-card:hover::before { transform: translateX(0); }

.impl-phase-num {
  font-size: 56px;
  font-weight: 900;
  font-family: 'Courier New', monospace;
  background: linear-gradient(180deg, var(--impl-accent), var(--impl-primary-deep));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  margin-bottom: 8px;
}
.impl-phase-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--impl-text-bright);
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.impl-phase-dot {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--impl-primary);
  box-shadow: 0 0 16px rgba(21, 176, 237, 0.5), 0 0 32px rgba(21, 176, 237, 0.3);
  border: 3px solid #ffffff;
  z-index: 5;
}
.impl-phase-dot::after {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 1px solid var(--impl-primary);
  animation: implDotPulse 2s infinite;
}
@keyframes implDotPulse {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(2); opacity: 0; }
}
.impl-phase-text {
  font-size: 13.5px;
  color: var(--impl-text-dim);
  line-height: 1.85;
}

/* ==========================================================
   模块2：三步法则
   ========================================================== */
.impl-three-step {
  max-width: 1300px;
  margin: 0 auto;
  position: relative;
}
.impl-three-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
}
.impl-step-item {
  position: relative;
  padding: 50px 30px 40px;
  text-align: center;
  background: #ffffff;
  border: 1px solid rgba(21, 176, 237, 0.15);
  transition: all .4s;
  box-shadow: 0 1px 6px rgba(21, 176, 237, 0.04);
}
.impl-step-item:not(:last-child)::after {
  content: '▶';
  position: absolute;
  right: -16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--impl-primary);
  font-size: 18px;
  z-index: 5;
}
.impl-step-item:hover {
  background: #f8fbfe;
  border-color: var(--impl-primary);
  z-index: 2;
  box-shadow: 0 8px 24px rgba(21, 176, 237, 0.1);
}
.impl-step-circle {
  width: 80px; height: 80px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--impl-accent), var(--impl-primary-deep));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 900;
  color: #ffffff;
  box-shadow: 0 0 20px rgba(21, 176, 237, 0.35);
  position: relative;
}
.impl-step-circle::before {
  content: '';
  position: absolute;
  inset: -8px;
  border: 1px dashed var(--impl-accent);
  border-radius: 50%;
  animation: implRotate 20s linear infinite;
}
@keyframes implRotate { to { transform: rotate(360deg); } }
.impl-step-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--impl-text-bright);
  margin-bottom: 24px;
  letter-spacing: 1px;
}
.impl-step-flow {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}
.impl-step-flow .node {
  padding: 8px 14px;
  background: rgba(21, 176, 237, 0.05);
  border: 1px solid rgba(21, 176, 237, 0.15);
  border-radius: 4px;
  font-size: 13px;
  color: var(--impl-text-main);
  transition: all .3s;
}
.impl-step-flow .node:hover {
  background: rgba(21, 176, 237, 0.12);
  border-color: var(--impl-primary);
  transform: translateX(4px);
}
.impl-flow-arrow {
  color: var(--impl-primary);
  font-size: 12px;
  text-align: center;
}

/* ==========================================================
   模块3：SMART 五步法
   ========================================================== */
.impl-smart-section {
  background: radial-gradient(ellipse at center, rgba(21, 176, 237, 0.05), transparent 70%);
}
.impl-smart-container {
  max-width: 1300px;
  margin: 0 auto;
}
.impl-smart-letters {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}
.impl-letter-block {
  width: 100px;
  height: 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(21, 176, 237, 0.1);
  border: 1px solid var(--impl-primary);
  border-radius: 8px;
  position: relative;
  transition: all .4s;
  cursor: pointer;
  overflow: hidden;
}
.impl-letter-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(21, 176, 237, 0.25), transparent);
  transition: left .6s;
}
.impl-letter-block:hover::before { left: 100%; }
.impl-letter-block:hover {
  transform: translateY(-6px) scale(1.05);
  box-shadow: 0 10px 32px rgba(21, 176, 237, 0.3);
}
.impl-letter-block .l {
  font-size: 42px;
  font-weight: 900;
  background: linear-gradient(180deg, #0F2F3F, var(--impl-primary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}
.impl-letter-block .lsub {
  font-size: 10px;
  color: var(--impl-text-dim);
  margin-top: 4px;
  letter-spacing: 1px;
}
.impl-letter-block.active {
  background: linear-gradient(180deg, var(--impl-accent), var(--impl-primary));
  box-shadow: 0 0 24px rgba(21, 176, 237, 0.5);
}
.impl-letter-block.active .l {
  color: #ffffff;
  -webkit-text-fill-color: #ffffff;
}
.impl-letter-block.active .lsub { color: rgba(255, 255, 255, 0.9); }

.impl-smart-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
.impl-smart-card {
  background: #ffffff;
  border: 1px solid var(--impl-card-border);
  border-radius: 12px;
  padding: 30px;
  position: relative;
  overflow: hidden;
  transition: all .4s;
  box-shadow: 0 2px 8px rgba(21, 176, 237, 0.05);
}
.impl-smart-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--impl-accent), var(--impl-primary));
  box-shadow: 0 0 8px rgba(21, 176, 237, 0.3);
}
.impl-smart-card:hover {
  transform: translateX(6px);
  border-color: var(--impl-primary);
  box-shadow: -8px 0 24px rgba(21, 176, 237, 0.12);
}
.impl-smart-card-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}
.impl-smart-letter {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--impl-accent), var(--impl-primary-deep));
  border-radius: 8px;
  font-size: 28px;
  font-weight: 900;
  color: #ffffff;
  box-shadow: 0 0 16px rgba(21, 176, 237, 0.35);
  flex-shrink: 0;
}
.impl-smart-meta { flex: 1; }
.impl-smart-zh {
  font-size: 20px;
  font-weight: 700;
  color: var(--impl-text-bright);
  margin-bottom: 4px;
}
.impl-smart-en {
  font-size: 12px;
  color: var(--impl-primary);
  letter-spacing: 1px;
  font-family: 'Courier New', monospace;
}
.impl-smart-tasks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.impl-task-chip {
  padding: 6px 14px;
  background: rgba(21, 176, 237, 0.06);
  border: 1px solid rgba(21, 176, 237, 0.2);
  border-radius: 100px;
  font-size: 12.5px;
  color: var(--impl-text-main);
  transition: all .3s;
}
.impl-task-chip:hover {
  background: rgba(21, 176, 237, 0.15);
  border-color: var(--impl-primary);
  color: var(--impl-primary);
}
.impl-task-chip.star {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(245, 158, 11, 0.04));
  border-color: var(--impl-gold);
  color: var(--impl-gold);
  font-weight: 600;
}

/* ==========================================================
   模块4：三大核心
   ========================================================== */
.impl-core-section {
  padding-bottom: 100px;
}
.impl-core-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  position: relative;
}
.impl-core-card {
  position: relative;
  padding: 50px 30px;
  text-align: center;
  background: #ffffff;
  border: 1px solid var(--impl-card-border);
  border-radius: 16px;
  overflow: hidden;
  transition: all .4s;
  box-shadow: 0 2px 10px rgba(21, 176, 237, 0.04);
}
.impl-core-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%),
    rgba(21, 176, 237, 0.08), transparent 50%);
  opacity: 0;
  transition: opacity .4s;
  pointer-events: none;
}
.impl-core-card:hover::before { opacity: 1; }
.impl-core-card:hover {
  transform: translateY(-10px);
  border-color: var(--impl-primary);
  box-shadow: 0 16px 40px rgba(21, 176, 237, 0.15);
}
.impl-core-icon {
  width: 90px;
  height: 90px;
  margin: 0 auto 20px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.impl-core-icon svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 6px rgba(21, 176, 237, 0.3));
}
.impl-core-icon svg [stroke] { stroke: var(--impl-primary); }
.impl-core-icon svg [fill]:not([fill="none"]) { fill: var(--impl-primary); }
.impl-core-name {
  font-size: 24px;
  font-weight: 800;
  color: var(--impl-text-bright);
  margin-bottom: 12px;
  letter-spacing: 2px;
}
.impl-core-name-en {
  font-size: 12px;
  color: var(--impl-primary);
  letter-spacing: 2px;
  margin-bottom: 16px;
  font-family: 'Courier New', monospace;
}
.impl-core-desc {
  font-size: 13.5px;
  color: var(--impl-text-dim);
  line-height: 1.7;
}

/* ==========================================================
   通用动画：滚动渐入
   ========================================================== */
@keyframes implFadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
.impl-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .8s cubic-bezier(.2, .8, .2, 1),
              transform .8s cubic-bezier(.2, .8, .2, 1);
}
.impl-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.impl-reveal.delay-1 { transition-delay: 0.1s; }
.impl-reveal.delay-2 { transition-delay: 0.2s; }
.impl-reveal.delay-3 { transition-delay: 0.3s; }
.impl-reveal.delay-4 { transition-delay: 0.4s; }

/* ==========================================================
   响应式
   ========================================================== */
@media (max-width: 980px) {
  .impl-hero-title { font-size: 44px; }
  .impl-phase-row { grid-template-columns: 1fr 1fr; }
  .impl-three-grid { grid-template-columns: 1fr; }
  .impl-step-item:not(:last-child)::after {
    content: '▼';
    right: 50%;
    top: auto;
    bottom: -16px;
    transform: translateX(50%);
  }
  .impl-smart-detail { grid-template-columns: 1fr; }
  .impl-core-grid { grid-template-columns: 1fr; }
  .impl-stats-band { grid-template-columns: 1fr 1fr; }
  .impl-stat-item { border-right: none; }
  .impl-smart-letters { gap: 6px; }
  .impl-letter-block { width: 80px; height: 80px; }
  .impl-letter-block .l { font-size: 32px; }
  .impl-section { padding: 80px 20px; }
}
@media (max-width: 600px) {
  .impl-hero-title { font-size: 30px; }
  .impl-phase-row { grid-template-columns: 1fr; }
  .impl-stats-band { grid-template-columns: 1fr; }
  .impl-section { padding: 70px 18px; }
  .impl-stats-section { padding: 40px 18px 0; }
  .impl-hero { padding: 40px 18px 60px; }
}

/* ===== CTA 卡片 ===== */
.impl-cta-section { padding: 80px 32px; background: #fff; }
.impl-cta-box {
  max-width: 900px; margin: 0 auto;
  background: linear-gradient(135deg, #15B0ED 0%, #0E8FC0 100%);
  border-radius: 24px; padding: 56px 48px; text-align: center;
  position: relative; overflow: hidden;
}
.impl-cta-box h2 { font-size: 30px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.impl-cta-box p { font-size: 16px; color: rgba(255,255,255,0.88); margin-bottom: 32px; }
.impl-cta-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 36px; background: #fff; color: #0E8FC0;
  border-radius: 12px; font-size: 15px; font-weight: 700;
  transition: all .3s; cursor: pointer; text-decoration: none;
  position: relative; z-index: 1; box-shadow: 0 8px 24px rgba(0,0,0,.15);
}
.impl-cta-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(0,0,0,.2); }
@media (max-width: 600px) {
  .impl-cta-box { padding: 40px 24px; }
  .impl-cta-box h2 { font-size: 22px; }
}