/* =========================================================
   专家网络概述页（expert-network.html）
   参照 /Users/dasheng/Downloads/专家网络.txt 实现
   融合原站主题蓝 var(--c-primary) 与深/浅双主题
   ========================================================= */

.expert-network {
  position: relative;
  width: 100%;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 25%, rgba(30, 143, 213, 0.07), transparent 27%),
    linear-gradient(180deg, rgba(30, 143, 213, 0.018) 0%, var(--c-bg) 100%);
}

/* 点阵纹理装饰（浅色版淡蓝点阵） */
.expert-network::before {
  content: "";
  position: absolute;
  width: 480px;
  height: 250px;
  left: 5%;
  top: 60px;
  opacity: 0.15;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(30, 143, 213, 0.55) 1px, transparent 1px);
  background-size: 12px 12px;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 30%, #000 60%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 30%, #000 60%, transparent);
}
html[data-theme="dark"] .expert-network::before { opacity: 0.10; }

.en-container {
  position: relative;
  z-index: 2;
  max-width: 1440px;
  margin: 0 auto;
  padding: 32px 0 24px; /* 左右 0：与上方 supp 区块左对齐 */
}

/* ============ 上半区 ============ */
.hero {
  min-height: 340px;
  display: grid;
  grid-template-columns: 46% 54%;
  align-items: center;
  gap: 42px;
}

/* —— 左侧 —— */
.hero-copy { max-width: 650px; }

.hero-description {
  margin: 0;
  max-width: 620px;
  font-size: 22px;
  font-size: clamp(18px, 1.5vw, 24px);
  line-height: 1.7;
  letter-spacing: -0.2px;
  font-weight: 400;
  color: var(--c-ink);
}

.description-line {
  width: 46px;
  height: 4px;
  margin: 22px 0 0;
  border-radius: 20px;
  background: var(--c-primary);
}

/* —— 数据指标 —— */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 36px;
  max-width: 640px;
}
.stat-item {
  position: relative;
  min-width: 0;
  padding: 0 22px;
}
.stat-item:first-child { padding-left: 0; }
.stat-item:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 7px;
  right: 0;
  width: 1px;
  height: 51px;
  background: var(--c-line);
}
.stat-top {
  display: flex;
  align-items: center;
  gap: 8px;
}
.stat-icon {
  width: 23px;
  height: 23px;
  display: grid;
  place-items: center;
  color: var(--c-primary);
}
.stat-icon svg { width: 23px; height: 23px; }
.stat-number {
  font-size: 28px;
  line-height: 1;
  font-weight: 400;
  color: var(--c-primary);
}
.stat-label {
  margin-top: 10px;
  font-size: 13px;
  color: var(--c-mute);
}

/* —— 右侧：网络图 —— */
.network-wrap {
  position: relative;
  width: 100%;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.network-map {
  position: relative;
  width: 300px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid rgba(30, 143, 213, 0.16);
}
.orbit-1 { width: 150px; height: 150px; }
.orbit-2 { width: 221px; height: 221px; }
.orbit-3 { width: 291px; height: 291px; border-style: dashed; }

/* 中心 */
.network-center {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 10;
  transform: translate(-50%, -50%);
  width: 113px;
  height: 113px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  background:
    radial-gradient(circle at 35% 25%, rgba(255, 255, 255, 0.26), transparent 30%),
    var(--c-primary);
  box-shadow:
    0 15px 38px rgba(30, 143, 213, 0.22),
    0 0 0 8px rgba(30, 143, 213, 0.06);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.08em;
}
.network-center svg {
  width: 26px;
  height: 26px;
  margin-bottom: 7px;
}

/* 连线 */
.line {
  position: absolute;
  z-index: 2;
  background: rgba(30, 143, 213, 0.42);
}
.line-v {
  width: 1px;
  height: 137px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.line-h {
  width: 137px;
  height: 1px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* 外围节点 */
.network-node {
  position: absolute;
  z-index: 5;
  min-width: 88px;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-ink-2);
}
.node-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 6px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--c-primary);
  background: var(--c-surface);
  border: 1px solid rgba(30, 143, 213, 0.10);
  box-shadow: 0 8px 22px rgba(20, 55, 100, 0.07);
}
.node-icon svg { width: 21px; height: 21px; }
.node-top { top: -2px; left: 50%; transform: translateX(-50%); }
.node-bottom { bottom: -2px; left: 50%; transform: translateX(-50%); }
.node-left { left: -10px; top: 50%; transform: translateY(-50%); }
.node-right { right: -10px; top: 50%; transform: translateY(-50%); }

/* 装饰点 */
.network-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-primary);
  box-shadow: 0 0 0 5px rgba(30, 143, 213, 0.07);
}
.dot-1 { top: 54px; right: 48px; }
.dot-2 { left: 35px; bottom: 82px; width: 6px; height: 6px; opacity: 0.55; }
.dot-3 { right: 40px; bottom: 66px; width: 6px; height: 6px; opacity: 0.45; }

/* ============ CTA 条 ============ */
.insight-section {
  position: relative;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}


/* ============ CTA ============ */
.cta {
  height: 46px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
  border: 0;
  border-radius: 24px;
  cursor: pointer;
  text-decoration: none;
  color: #fff;
  background: var(--c-primary);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  box-shadow: 0 8px 22px rgba(30, 143, 213, 0.18);
  transition: transform 0.22s ease, filter 0.22s ease, box-shadow 0.22s ease;
}
.cta svg {
  width: 17px;
  transition: transform 0.22s ease;
}
.cta:hover {
  transform: translateY(-2px);
  filter: brightness(0.94);
  box-shadow: 0 11px 27px rgba(30, 143, 213, 0.23);
}
.cta:hover svg { transform: translateX(4px); }

/* ============ Tablet ============ */
@media (max-width: 1100px) {
  .en-container { padding-left: 30px; padding-right: 30px; }
  .hero { grid-template-columns: 50% 50%; gap: 10px; }
  .hero-description { font-size: 20px; }
  .network-map { transform: scale(0.9); }
  .stat-item { padding: 0 13px; }
  .stat-number { font-size: 24px; }
}

/* ============ H5 ============ */
@media (max-width: 768px) {
  .expert-network::before { display: none; }
  .en-container { padding: 36px 20px 26px; }
  .hero {
    min-height: auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  .hero-copy { width: 100%; max-width: none; }
  .hero-description { max-width: none; font-size: 19px; line-height: 1.7; }
  .description-line { margin-top: 18px; }

  /* 数据 2×2 */
  .stats {
    width: 100%;
    max-width: none;
    grid-template-columns: repeat(2, 1fr);
    margin-top: 26px;
    border-top: 1px solid var(--c-line);
    border-left: 1px solid var(--c-line);
  }
  .stat-item,
  .stat-item:first-child {
    padding: 18px;
    border-right: 1px solid var(--c-line);
    border-bottom: 1px solid var(--c-line);
  }
  .stat-item::after { display: none; }
  .stat-number { font-size: 25px; }

  /* 网络图 */
  .network-wrap { height: 260px; }
  .network-map { transform: scale(0.84); }

  /* CTA：H5 全宽 */
  .insight-section {
    margin-top: 16px;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }
  .cta { width: 100%; height: 48px; }
}

@media (max-width: 430px) {
  .en-container { padding-left: 16px; padding-right: 16px; }
  .hero-description { font-size: 17px; }
  .network-wrap { height: 240px; }
  .network-map { transform: scale(0.76); }
}

/* ============ 深色版微调 ============ */
html[data-theme="dark"] .orbit { border-color: rgba(125, 211, 252, 0.14); }
html[data-theme="dark"] .line { background: rgba(125, 211, 252, 0.38); }
html[data-theme="dark"] .network-dot { background: var(--c-primary); box-shadow: 0 0 0 5px rgba(56, 168, 232, 0.10); }
html[data-theme="dark"] .node-icon { border-color: rgba(125, 211, 252, 0.12); }

/* ============ 区块标题（support.html 内嵌时） ============ */
.en-head { margin: 0 0 6px; }
.en-index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--c-primary);
  margin-bottom: var(--s-3);
  text-transform: uppercase;
}
.en-title {
  font-size: var(--fs-h2);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--c-ink);
}