/* ========== CSS 变量 ========== */
.ql-page[data-v-51f8f867] {
  --primary: #0b2f5e;
  --secondary: #1e88e5;
  --accent: #1e88e5;
  --highlight: #1e88e5;
  --green: #2e7d32;
  --gold: #f5a623;
  --orange: #f7931e;
  --teal: #00897b;
  --danger: #e65100;
  --bg-light: #f5f7fa;
  --bg-white: #ffffff;
  --text-primary: #1a1a2e;
  --text-secondary: #555;
  --text-muted: #888;
  --border: rgba(0, 0, 0, 0.06);
}

/* ========== Hero 区域 ========== */
.hero-section[data-v-51f8f867] {
  position: relative;
  min-height: 800px;
  display: flex;
  align-items: center;
  overflow: hidden;
  z-index: 0;
  width: 100%;
  background: no-repeat center center / cover;
}
.hero-overlay[data-v-51f8f867] {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 1;
}
.hero-content[data-v-51f8f867] {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  padding: 100px 40px 80px;
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.hero-content.visible[data-v-51f8f867] {
  opacity: 1;
  transform: translateY(0);
}
.hero-badges[data-v-51f8f867] {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.badge[data-v-51f8f867] {
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.badge-gold[data-v-51f8f867] {
  background: rgba(245, 166, 35, 0.2);
  color: var(--gold);
  border: 1px solid rgba(245, 166, 35, 0.4);
}
.badge-blue[data-v-51f8f867] {
  background: rgba(30, 136, 229, 0.2);
  color: #64b5f6;
  border: 1px solid rgba(30, 136, 229, 0.35);
}
.badge-teal[data-v-51f8f867] {
  background: rgba(0, 137, 123, 0.2);
  color: #4db6ac;
  border: 1px solid rgba(0, 137, 123, 0.35);
}
.hero-title[data-v-51f8f867] {
  font-size: 52px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.hero-subtitle[data-v-51f8f867] {
  font-size: 24px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 16px;
}
.hero-desc[data-v-51f8f867] {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: 32px;
}
.hero-stats[data-v-51f8f867] {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 700px;
}
.stat-card[data-v-51f8f867] {
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 20px 18px;
  text-align: center;
  opacity: 0;
  transform: translateY(25px);
  animation: statFadeIn-51f8f867 0.6s ease forwards;
  animation-delay: var(--sdelay);
}
.stat-highlight[data-v-51f8f867] {
  border-color: rgba(30, 136, 229, 0.35);
  background: rgba(30, 136, 229, 0.1);
}
@keyframes statFadeIn-51f8f867 {
to {
    opacity: 1;
    transform: translateY(0);
}
}
.stat-num[data-v-51f8f867] {
  display: block;
  font-size: 30px;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 6px;
}
.stat-label[data-v-51f8f867] {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
}

/* ========== Section 通用 ========== */
.section[data-v-51f8f867] {
  padding: 90px 0;
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.section.visible[data-v-51f8f867] {
  opacity: 1;
  transform: translateY(0);
}
.section-inner[data-v-51f8f867] {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}
.section-header[data-v-51f8f867] {
  text-align: center;
  margin-bottom: 56px;
}
.section-title[data-v-51f8f867] {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}
.section-subtitle[data-v-51f8f867] {
  font-size: 17px;
  color: var(--text-secondary);
}

/* ========== 模块1：客户背景 ========== */
.section-about[data-v-51f8f867] {
  background: var(--bg-white);
}
.about-layout[data-v-51f8f867] {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: start;
}
.about-content[data-v-51f8f867] {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.7s ease;
}
.section-about.visible .about-content[data-v-51f8f867] {
  opacity: 1;
  transform: translateX(0);
}
.about-subtitle[data-v-51f8f867] {
  color: var(--secondary);
  font-weight: 600;
  margin-bottom: 20px;
}
.about-text p[data-v-51f8f867] {
  font-size: 0.98rem;
  color: var(--text-dark);
  line-height: 1.85;
  margin-bottom: 14px;
}
.honors-wall[data-v-51f8f867] {
  background: linear-gradient(145deg, var(--primary), #0d3a66);
  border-radius: 20px;
  padding: 36px 28px;
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.7s ease 0.15s;
}
.section-about.visible .honors-wall[data-v-51f8f867] {
  opacity: 1;
  transform: translateX(0);
}
.honors-title[data-v-51f8f867] {
  color: var(--gold);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 24px;
  text-align: center;
}
.honors-grid[data-v-51f8f867] {
  display: grid;
  gap: 16px;
}
.honor-item[data-v-51f8f867] {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  opacity: 0;
  transform: translateY(15px);
  animation: honorIn-51f8f867 0.5s ease forwards calc(var(--hdelay, 0s) + 0.4s);
}
@keyframes honorIn-51f8f867 {
to {
    opacity: 1;
    transform: translateY(0);
}
}
.honor-item[data-v-51f8f867]:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: scale(1.03);
  transition: all 0.25s ease;
}
.honor-icon[data-v-51f8f867] {
  font-size: 1.6rem;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(245, 166, 35, 0.15);
  border-radius: 12px;
  flex-shrink: 0;
}
.honor-name[data-v-51f8f867] {
  color: #e8f0f8;
  font-size: 0.92rem;
  font-weight: 600;
}

/* ========== 模块2：核心挑战 ========== */
.section-challenge[data-v-51f8f867] {
  background: var(--bg-light);
}
.challenge-cards-row[data-v-51f8f867] {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.challenge-card[data-v-51f8f867] {
  padding: 28px 24px;
  background: linear-gradient(145deg, var(--primary), #134a7d);
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  opacity: 0;
  transform: translateY(15px);
  animation: challengeCardPop-51f8f867 0.5s ease forwards;
  animation-delay: var(--cdelay);
  transition: all 0.3s ease;
}
.challenge-card[data-v-51f8f867]:hover {
  background: linear-gradient(145deg, #0e3a6b, #1a5da8);
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(11, 47, 94, 0.2);
}
@keyframes challengeCardPop-51f8f867 {
to {
    opacity: 1;
    transform: translateY(0);
}
}
.challenge-card-icon[data-v-51f8f867] {
  font-size: 32px;
  margin-bottom: 14px;
}
.challenge-card-title[data-v-51f8f867] {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.4;
}
.challenge-card-desc[data-v-51f8f867] {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.7;
}

/* ========== 模块3：建设内容（三层架构） ========== */
.section-solution[data-v-51f8f867] {
  background: var(--bg-white);
}
.arch-timeline[data-v-51f8f867] {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 48px;
}
.arch-timeline[data-v-51f8f867]::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 28px;
  bottom: 28px;
  width: 3px;
  background: linear-gradient(180deg, var(--accent), var(--primary));
  opacity: 0.3;
  border-radius: 2px;
}
.arch-layer[data-v-51f8f867] {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-bottom: none;
  position: relative;
  opacity: 0;
  transform: translateY(16px);
  animation: layerSlideIn-51f8f867 0.6s ease forwards;
  animation-delay: var(--ldelay);
  transition: all 0.3s ease;
}
.arch-layer[data-v-51f8f867]:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  border-color: rgba(30, 136, 229, 0.15);
}
.arch-layer[data-v-51f8f867]::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 50%;
  border: 3px solid #fff;
  box-shadow:
    0 0 0 2px var(--accent),
    0 2px 8px rgba(30, 136, 229, 0.3);
  z-index: 1;
  transition: all 0.3s ease;
}
.arch-layer[data-v-51f8f867]:hover::before {
  transform: translateY(-50%) scale(1.2);
  box-shadow:
    0 0 0 3px var(--accent),
    0 4px 12px rgba(30, 136, 229, 0.4);
}
.arch-layer[data-v-51f8f867]:last-child {
  border-bottom: 1px solid var(--border);
  border-radius: 0 0 18px 18px;
}
.arch-layer[data-v-51f8f867]:first-child {
  border-radius: 18px 18px 0 0;
}
@keyframes layerSlideIn-51f8f867 {
to {
    opacity: 1;
    transform: translateY(0);
}
}
.layer-header[data-v-51f8f867] {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 32px;
  background: linear-gradient(
    90deg,
    rgba(11, 47, 94, 0.06),
    rgba(30, 136, 229, 0.02),
    transparent
  );
  border-bottom: 1px solid var(--border);
}
.layer-icon[data-v-51f8f867] {
  font-size: 36px;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(30, 136, 229, 0.1), rgba(11, 47, 94, 0.05));
  border-radius: 16px;
  flex-shrink: 0;
}
.layer-title[data-v-51f8f867] {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.3px;
  margin: 0;
}
.layer-body[data-v-51f8f867] {
  padding: 24px 32px;
}
.layer-group[data-v-51f8f867] {
  margin-bottom: 18px;
  padding: 16px 20px;
  background: linear-gradient(135deg, rgba(245, 247, 250, 0.9), rgba(240, 244, 248, 0.6));
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: all 0.3s ease;
}
.layer-group[data-v-51f8f867]:hover {
  background: rgba(30, 136, 229, 0.04);
  border-color: rgba(30, 136, 229, 0.12);
  transform: translateX(4px);
}
.layer-group[data-v-51f8f867]:last-child {
  margin-bottom: 0;
}
.group-header[data-v-51f8f867] {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.group-icon[data-v-51f8f867] {
  color: var(--accent);
  font-size: 16px;
  font-weight: 700;
}
.group-name[data-v-51f8f867] {
  font-size: 15px;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: 0.2px;
}
.group-tags[data-v-51f8f867] {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.group-tag[data-v-51f8f867] {
  display: inline-block;
  padding: 7px 16px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all 0.25s ease;
  cursor: default;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}
.group-tag[data-v-51f8f867]:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(30, 136, 229, 0.05);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(30, 136, 229, 0.15);
}

/* ========== 模块4：全流程追溯体系 ========== */
.section-trace[data-v-51f8f867] {
  background: var(--bg-light);
  position: relative;
  overflow: hidden;
}
.section-trace[data-v-51f8f867]::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 320px;
  height: 320px;
  background: radial-gradient(
    circle,
    rgba(30, 136, 229, 0.06) 0%,
    transparent 70%
  );
  pointer-events: none;
}
.trace-desc[data-v-51f8f867] {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 48px;
}
.trace-desc p[data-v-51f8f867] {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-secondary);
}
.trace-timeline[data-v-51f8f867] {
  display: flex;
  align-items: flex-start;
  gap: 0;
  overflow-x: auto;
  padding: 20px 0 30px;
}
.trace-step[data-v-51f8f867] {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 120px;
  flex: 1;
  opacity: 0;
  transform: translateY(15px);
  animation: traceStepIn-51f8f867 0.5s ease forwards;
  animation-delay: var(--tsdelay);
}
@keyframes traceStepIn-51f8f867 {
to {
    opacity: 1;
    transform: translateY(0);
}
}
.trace-step-dot[data-v-51f8f867] {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  box-shadow: 0 4px 14px rgba(11, 47, 94, 0.25);
  flex-shrink: 0;
}
.trace-step-num[data-v-51f8f867] {
  color: #fff;
  font-size: 18px;
  font-weight: 800;
}
.trace-step-content[data-v-51f8f867] {
  text-align: center;
}
.trace-step-label[data-v-51f8f867] {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.4;
  white-space: nowrap;
}
.trace-step-sub[data-v-51f8f867] {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}
.trace-step-arrow[data-v-51f8f867] {
  display: flex;
  align-items: center;
  padding-top: 10px;
  color: var(--secondary);
  opacity: 0.4;
  flex-shrink: 0;
  margin: 0 4px;
}

/* ========== 模块5：核心建设亮点 ========== */
.section-highlights[data-v-51f8f867] {
  background: var(--bg-white);
}
.highlights-grid[data-v-51f8f867] {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.highlight-card[data-v-51f8f867] {
  background: var(--bg-white);
  border-radius: 18px;
  padding: 32px 24px;
  border: 1px solid var(--border);
  text-align: center;
  opacity: 0;
  transform: translateY(18px);
  animation: highlightCardIn-51f8f867 0.5s ease forwards;
  animation-delay: var(--hldelay);
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}
.highlight-card[data-v-51f8f867]::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.highlight-card[data-v-51f8f867]:hover::before {
  opacity: 1;
}
.highlight-card[data-v-51f8f867]:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}
@keyframes highlightCardIn-51f8f867 {
to {
    opacity: 1;
    transform: translateY(0);
}
}
.highlight-card-icon[data-v-51f8f867] {
  font-size: 40px;
  margin-bottom: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  background: linear-gradient(
    135deg,
    rgba(30, 136, 229, 0.08),
    rgba(11, 47, 94, 0.04)
  );
  border-radius: 18px;
}
.highlight-card-title[data-v-51f8f867] {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}
.highlight-card-desc[data-v-51f8f867] {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-secondary);
}

/* ========== 模块6：关键成效数据 ========== */
.section-results[data-v-51f8f867] {
  background: var(--bg-light);
}

/* 关键指标看板 */
.kpi-board[data-v-51f8f867] {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 700px;
  margin: 0 auto 48px;
}
.kpi-card[data-v-51f8f867] {
  text-align: center;
  padding: 32px 20px;
  background: linear-gradient(145deg, #fff, #f8fafc);
  border: 2px solid rgba(30, 136, 229, 0.15);
  border-radius: 18px;
  opacity: 0;
  transform: translateY(15px);
  animation: kpiFade-51f8f867 0.5s ease forwards;
  animation-delay: var(--kpidelay);
  transition: all 0.3s ease;
}
.kpi-card[data-v-51f8f867]:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 28px rgba(30, 136, 229, 0.12);
  border-color: rgba(30, 136, 229, 0.35);
}
@keyframes kpiFade-51f8f867 {
to {
    opacity: 1;
    transform: translateY(0);
}
}
.kpi-value[data-v-51f8f867] {
  display: block;
  font-size: 48px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  margin-bottom: 10px;
}
.kpi-label[data-v-51f8f867] {
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* 补充成效列表 */
.detail-results[data-v-51f8f867] {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  max-width: 820px;
  margin: 0 auto;
}
.detail-item[data-v-51f8f867] {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-light);
  border-radius: 10px;
  border: 1px solid var(--border);
  opacity: 0;
  transform: translateY(12px);
  animation: detailSlide-51f8f867 0.5s ease forwards;
  animation-delay: var(--drdelay);
  transition: all 0.2s ease;
}
.detail-item[data-v-51f8f867]:hover {
  border-color: rgba(30, 136, 229, 0.3);
}
@keyframes detailSlide-51f8f867 {
to {
    opacity: 1;
    transform: translateY(0);
}
}
.detail-check[data-v-51f8f867] {
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--green);
}
.detail-text[data-v-51f8f867] {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* ========== 模块7：技术功能一览 ========== */
.section-tech[data-v-51f8f867] {
  background: var(--bg-white);
}
.tech-tabs[data-v-51f8f867] {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.tech-tab[data-v-51f8f867] {
  padding: 10px 24px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
}
.tech-tab[data-v-51f8f867]:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.tech-tab.active[data-v-51f8f867] {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(11, 47, 94, 0.2);
}
.tech-content[data-v-51f8f867] {
  background: var(--bg-white);
  border-radius: 18px;
  padding: 36px;
  border: 1px solid var(--border);
}
.tech-group[data-v-51f8f867] {
  margin-bottom: 24px;
}
.tech-group[data-v-51f8f867]:last-child {
  margin-bottom: 0;
}
.tech-group-title[data-v-51f8f867] {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 14px;
  padding-left: 14px;
  border-left: 3px solid var(--accent);
}
.tech-tags[data-v-51f8f867] {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tech-tag[data-v-51f8f867] {
  padding: 8px 18px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  transition: all 0.25s ease;
  cursor: default;
}
.tech-tag[data-v-51f8f867]:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(30, 136, 229, 0.05);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(30, 136, 229, 0.1);
}

/* ========== CTA 区域 ========== */
.cta-section[data-v-51f8f867] {
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    #0d3a66 50%,
    #0a2550 100%
  );
  padding: 76px 24px;
  text-align: center;
  position: relative;
  z-index: 0;
  overflow: hidden;
}
.cta-section[data-v-51f8f867]::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      circle at 20% 50%,
      rgba(30, 136, 229, 0.08) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 50%,
      rgba(0, 137, 123, 0.06) 0%,
      transparent 50%
    );
}
.cta-inner[data-v-51f8f867] {
  position: relative;
  z-index: 1;
}
.cta-title[data-v-51f8f867] {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}
.cta-subtitle[data-v-51f8f867] {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 32px;
}
.cta-buttons[data-v-51f8f867] {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-btn[data-v-51f8f867] {
  padding: 14px 38px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}
.cta-btn.primary[data-v-51f8f867] {
  background: var(--highlight);
  color: #fff;
  box-shadow: 0 4px 20px rgba(30, 136, 229, 0.35);
}
.cta-btn.primary[data-v-51f8f867]:hover {
  background: #42a5f5;
  box-shadow: 0 6px 28px rgba(30, 136, 229, 0.5);
  transform: translateY(-2px);
}
.cta-big[data-v-51f8f867] {
  padding: 16px 52px;
  font-size: 1.1rem;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
.about-layout[data-v-51f8f867] {
    grid-template-columns: 1fr;
    gap: 32px;
}
.challenge-cards-row[data-v-51f8f867] {
    grid-template-columns: 1fr;
    gap: 18px;
}
.highlights-grid[data-v-51f8f867] {
    grid-template-columns: repeat(2, 1fr);
}
}
@media (max-width: 768px) {
.hero-title[data-v-51f8f867] {
    font-size: 34px;
}
.hero-subtitle[data-v-51f8f867] {
    font-size: 18px;
}
.hero-stats[data-v-51f8f867] {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.section[data-v-51f8f867] {
    padding: 60px 0;
}
.section-title[data-v-51f8f867] {
    font-size: 28px;
}
.highlights-grid[data-v-51f8f867] {
    grid-template-columns: 1fr;
}
.trace-timeline[data-v-51f8f867] {
    display: none;
}
.trace-step-arrow[data-v-51f8f867] {
    display: none;
}
.kpi-board[data-v-51f8f867] {
    grid-template-columns: 1fr;
    gap: 16px;
}
.kpi-value[data-v-51f8f867] {
    font-size: 40px;
}
.detail-results[data-v-51f8f867] {
    grid-template-columns: 1fr;
}
.arch-timeline[data-v-51f8f867] {
    padding-left: 36px;
}
.arch-timeline[data-v-51f8f867]::before {
    left: 17px;
}
.arch-layer[data-v-51f8f867]::before {
    left: -29px;
    width: 12px;
    height: 12px;
}
.layer-header[data-v-51f8f867] {
    padding: 18px 22px;
}
.layer-icon[data-v-51f8f867] {
    width: 48px;
    height: 48px;
    font-size: 28px;
}
.layer-title[data-v-51f8f867] {
    font-size: 16px;
}
.layer-body[data-v-51f8f867] {
    padding: 18px 22px;
}
.layer-group[data-v-51f8f867] {
    padding: 12px 14px;
}
.group-tags[data-v-51f8f867] {
    gap: 6px;
}
.group-tag[data-v-51f8f867] {
    font-size: 12px;
    padding: 5px 10px;
}
.tech-content[data-v-51f8f867] {
    padding: 24px 18px;
}
.hero-content[data-v-51f8f867] {
    padding: 80px 20px 60px;
}
.cta-title[data-v-51f8f867] {
    font-size: 1.5rem;
}
.cta-big[data-v-51f8f867] {
    padding: 14px 36px;
    font-size: 1rem;
}
}
@media (max-width: 480px) {
.hero-stats[data-v-51f8f867] {
    grid-template-columns: 1fr;
}
.challenge-card[data-v-51f8f867] {
    padding: 22px 18px;
}
.arch-timeline[data-v-51f8f867] {
    padding-left: 28px;
}
.arch-timeline[data-v-51f8f867]::before {
    left: 13px;
}
.arch-layer[data-v-51f8f867]::before {
    left: -22px;
    width: 10px;
    height: 10px;
}
.layer-header[data-v-51f8f867] {
    padding: 14px 16px;
}
.layer-icon[data-v-51f8f867] {
    width: 38px;
    height: 38px;
    font-size: 22px;
}
.layer-title[data-v-51f8f867] {
    font-size: 14px;
}
.layer-body[data-v-51f8f867] {
    padding: 14px 16px;
}
.layer-group[data-v-51f8f867] {
    padding: 10px 12px;
}
.group-tags[data-v-51f8f867] {
    gap: 5px;
}
.group-tag[data-v-51f8f867] {
    font-size: 11px;
    padding: 4px 8px;
}
}

/* ========== 回到顶部 ========== */
.back-to-top[data-v-51f8f867] {
  position: fixed;
  bottom: 40px;
  right: 40px;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.3s ease;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(11, 47, 94, 0.85);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  border: none;
  outline: none;
}
.back-to-top.visible[data-v-51f8f867] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top[data-v-51f8f867]:hover {
  background: rgba(11, 47, 94, 1);
  box-shadow: 0 6px 20px rgba(11, 47, 94, 0.4);
  transform: translateY(-3px);
}
.back-to-top svg[data-v-51f8f867] {
  width: 22px;
  height: 22px;
}
@media (max-width: 768px) {
.back-to-top[data-v-51f8f867] {
    bottom: 24px;
    right: 24px;
    width: 42px;
    height: 42px;
}
.back-to-top svg[data-v-51f8f867] {
    width: 18px;
    height: 18px;
}
}