/* ============================================================
   页面级样式
   ============================================================ */

/* ---------- 首页 ---------- */
.intro-panel { display: grid; grid-template-columns: 1.3fr 1fr; gap: var(--sp-8); align-items: stretch; }
@media (max-width: 860px) { .intro-panel { grid-template-columns: 1fr; } }
.intro-text { color: var(--ink-2); font-size: 1rem; max-width: 68ch; }
.intro-highlights { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-4); align-content: start; }
.intro-highlight {
  position: relative;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--r-lg); padding: var(--sp-5); border: 1px solid var(--glass-border);
  transition: transform .3s var(--ease-out-expo);
}
.intro-highlight:hover { transform: translateY(-3px); }
.intro-highlight-icon { position: absolute; top: var(--sp-4); right: var(--sp-4); width: 26px; height: 26px; color: var(--primary); opacity: 0.7; }
.intro-highlight .v { font-family: var(--font-mono); font-size: 1.7rem; font-weight: 700; }
.intro-highlight .l { color: var(--muted); font-size: 0.78rem; margin-top: 6px; }

.data-overview-grid { display: grid; grid-template-columns: 1.05fr 1fr 1.15fr; gap: var(--sp-6); align-items: stretch; }
@media (max-width: 1100px) { .data-overview-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 720px) { .data-overview-grid { grid-template-columns: 1fr; } }
.data-panel { min-height: 340px; }
.data-panel-title {
  font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.06em; color: var(--primary);
  margin-bottom: var(--sp-6); text-transform: uppercase;
}

.mini-graph-card { display: flex; flex-direction: column; gap: var(--sp-4); }
.mini-graph-canvas-wrap { position: relative; height: 320px; border-radius: var(--r-lg); background: oklch(0.11 0.018 235); border: 1px solid var(--glass-border); overflow: hidden; }

.talent-preview-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--sp-5); }
.obj-card {
  border-radius: var(--r-xl); border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  padding: var(--sp-6); position: relative; overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s var(--ease-out-expo);
}
.obj-card:hover { transform: translateY(-4px); }
.obj-card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(120% 100% at 100% 0%, var(--tint), transparent 60%); opacity: 0.22; }
.obj-card-code { font-family: var(--font-mono); font-size: 0.76rem; color: var(--muted); position: relative; }
.obj-card-name { font-weight: 700; margin: var(--sp-2) 0 var(--sp-3); font-size: 1.3rem; letter-spacing: -0.01em; position: relative; }
.obj-card-desc { font-size: 0.86rem; color: var(--ink-2); position: relative; }
.obj-card-meta { margin-top: var(--sp-5); display: flex; gap: var(--sp-2); position: relative; }

/* ---------- 专业图谱页 ---------- */
.graph-toolbar { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-5); flex-wrap: wrap; margin-bottom: var(--sp-5); }
.graph-layout { display: grid; grid-template-columns: 300px 1fr; gap: var(--sp-6); align-items: start; }
@media (max-width: 980px) { .graph-layout { grid-template-columns: 1fr; } }
.graph-canvas-wrap { position: relative; height: min(80vh, 820px); min-height: 560px; border-radius: var(--r-2xl); background: oklch(0.11 0.018 235); border: 1px solid var(--glass-border); overflow: hidden; }
@media (max-width: 720px) { .graph-canvas-wrap { height: 70vh; } }

/* 树状视图 — 左侧课程导航 */
.course-nav-list { display: flex; flex-direction: column; gap: 6px; }
.course-nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px var(--sp-3); border-radius: var(--r-md);
  border: 1px solid transparent; cursor: pointer;
  transition: background-color .2s var(--ease-out-expo), border-color .2s var(--ease-out-expo);
}
.course-nav-item:hover { background: var(--surface-2); }
.course-nav-item.active { background: var(--primary-wash); border-color: color-mix(in oklch, var(--primary) 40%, transparent); }
.course-nav-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.course-nav-name { flex: 1; font-size: 0.86rem; font-weight: 600; }
.course-nav-count { font-family: var(--font-mono); font-size: 0.7rem; color: var(--muted); }
.course-nav-item.active .course-nav-count { color: var(--primary); }
.graph-canvas-wrap canvas { display: block; cursor: grab; }
.graph-detail-panel {
  position: absolute; right: var(--sp-5); top: var(--sp-5); width: 300px;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border); border-radius: var(--r-xl);
  padding: var(--sp-6); box-shadow: var(--shadow-xl); font-size: 0.82rem;
  transform: translateX(0); transition: transform .3s var(--ease-out-expo), opacity .3s var(--ease-out-expo);
}
.graph-detail-panel[hidden] { display: flex; transform: translateX(16px); opacity: 0; pointer-events: none; }
.graph-legend-bar { position: absolute; left: var(--sp-5); bottom: var(--sp-5); background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); padding: var(--sp-3) var(--sp-4); border-radius: var(--r-md); border: 1px solid var(--glass-border); }

/* ---------- 课程群页 ---------- */
.term-track { position: relative; padding-left: 28px; }
.term-track::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--primary-deep), var(--border)); }
.term-block { position: relative; margin-bottom: var(--sp-9); }
.term-block::before {
  content: ""; position: absolute; left: -28px; top: 4px; width: 14px; height: 14px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--primary); box-shadow: 0 0 0 4px var(--bg);
}
.term-head { display: flex; align-items: baseline; gap: var(--sp-3); margin-bottom: var(--sp-4); }
.term-head h3 { font-size: 1.05rem; }
.term-head .count { color: var(--muted); font-size: 0.78rem; font-family: var(--font-mono); }

/* ---------- 课程详情页 ---------- */
.course-hero { display: grid; grid-template-columns: 140px 1fr; gap: var(--sp-7); align-items: center; }
@media (max-width: 640px) { .course-hero { grid-template-columns: 1fr; } }
.course-hero-art { width: 140px; height: 140px; border-radius: var(--r-xl); display: flex; align-items: center; justify-content: center; border: 1px solid var(--glass-border); }
.course-hero-art svg { width: 76px; height: 76px; filter: drop-shadow(0 10px 24px rgba(0,0,0,.4)); }
.course-detail-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: var(--sp-6); align-items: start; }
@media (max-width: 980px) { .course-detail-grid { grid-template-columns: 1fr; } }

/* ---------- 支撑关系图（叠层玻璃圆盘 + 分支连线） ---------- */
.pyramid-panel { padding: var(--sp-8) var(--sp-7) var(--sp-6); overflow: hidden; }
.disc-diagram-wrap { width: 100%; }
.disc-diagram-wrap svg { width: 100%; height: auto; display: block; overflow: visible; }
.disc-tier-label { font-family: var(--font-sans); }
.disc-tier-title { font-weight: 800; }
.disc-tier-count { font-family: var(--font-mono); }
.disc-marker { cursor: pointer; transition: filter .2s var(--ease-out-expo); }
.disc-marker:hover { filter: brightness(1.3); }
.disc-edge { pointer-events: none; transition: opacity .2s var(--ease-out-expo), stroke-width .2s var(--ease-out-expo); }
.disc-tooltip {
  position: fixed; z-index: var(--z-tooltip); pointer-events: none;
  background: var(--glass-bg-strong); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border); border-radius: var(--r-md);
  padding: var(--sp-2) var(--sp-3); font-size: 0.76rem; max-width: 240px; box-shadow: var(--shadow-lg);
  transform: translate(-50%, -125%);
}
.disc-legend { display: flex; justify-content: center; gap: var(--sp-6); flex-wrap: wrap; margin-top: var(--sp-5); font-size: 0.78rem; color: var(--muted); }
.disc-hint { text-align: center; color: var(--muted); font-size: 0.78rem; margin-top: var(--sp-2); }

/* ---------- 人才培养方案页 ---------- */
.obj-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--sp-5); }
.req-pill-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: var(--sp-3); }
.req-pill {
  padding: var(--sp-5); border-radius: var(--r-lg);
  background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  cursor: pointer; transition: all .2s var(--ease-out-expo);
}
.req-pill:hover, .req-pill.active { border-color: var(--primary); background: var(--primary-wash); transform: translateY(-2px); }
.req-pill .code { font-family: var(--font-mono); color: var(--primary); font-size: 0.74rem; }
.req-pill .name { font-weight: 600; font-size: 0.92rem; margin-top: 6px; }
.req-detail-box {
  margin-top: var(--sp-5); padding: var(--sp-7); border-radius: var(--r-2xl);
  background: var(--glass-bg-strong); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border); font-size: 0.9rem; color: var(--ink-2); box-shadow: var(--shadow-lg);
}

/* ---------- 建设分析页 ---------- */
.coverage-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--sp-5); }
.coverage-card {
  padding: var(--sp-5); border-radius: var(--r-lg);
  background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
}
.coverage-card.is-gap { border-color: color-mix(in oklch, var(--status-critical) 45%, transparent); background: var(--status-critical-wash); }
.dup-list { display: flex; flex-direction: column; gap: var(--sp-5); }
.dup-item {
  padding: var(--sp-6); border-radius: var(--r-xl);
  background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border); box-shadow: var(--shadow-md);
}
.dup-item-head { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; margin-bottom: var(--sp-3); }
.dup-node { font-size: 0.82rem; padding: 4px 10px; border-radius: var(--r-pill); background: var(--surface-2); font-weight: 600; }
.dup-arrow { color: var(--muted); }
.dup-note { color: var(--ink-2); font-size: 0.84rem; }