feat 重构深度挖掘-流程概要全部样式

src/views/bill/deepDig/processOverview/index.vue

@@ -153,7 +153,7 @@
               class="item-box"
               v-for="item in sharedEvents"
               :key="`shared-${item.id}`"
-              style="width: 280px; flex-shrink: 0;"
+              :style="{ width: TIMELINE_ITEM_WIDTH_PX + 'px', flexShrink: 0 }"
             >
               <div class="item-time">{{ item.actionDate }}</div>
               <div class="item-box-dot"></div>
@@ -211,7 +211,15 @@ const dialogPos = ref({ left: "0px", top: "0px" });
 const ORG_SENATE = "参议院";
 const ORG_HOUSE = "众议院";
 const PRESIDENT_KEYWORD = "呈递给总统";
+/** 卡片宽度；同一条时间线上相邻圆点间距 ≥ 此值，避免同轨卡片横向重叠 */
 const TIMELINE_ITEM_WIDTH_PX = 280;
+/** 时间线锚点为圆点；与样式 .item-box-dot { left: 10px } 一致 */
+const DOT_LEFT_IN_ITEM_BOX_PX = 10;
+/** 与 scoped 样式中 .top/.bottom .content-box 的 margin-left 一致，用于跨轨圆点与「两密点中点」对齐 */
+const SENATE_CONTENT_BOX_MARGIN_LEFT_PX = 134;
+const HOUSE_CONTENT_BOX_MARGIN_LEFT_PX = 30;
+/** 双轨主线在最后一个圆点/卡片之后保留的空白（原先用整卡宽 W 导致尾部过长） */
+const TIMELINE_LINE_TAIL_PADDING_PX = 48;
 const ARROW_SEGMENT_TOTAL_PX = 16;
 const DIAGONAL_LINE_WIDTH_PX = 127;
 
@@ -281,35 +289,72 @@ const dualLaneTimeline = computed(() => {
     .filter((item) => !isDualEvent(item));
 });
 
-const senateEventsPositioned = computed(() => {
-  const list = [];
-  let slotIndex = 0;
-  dualLaneTimeline.value.forEach((item) => {
-    if (!isSenateEvent(item)) return;
-    list.push({
-      key: item.id,
+/**
+ * 双轨事件已按时间排好（dualLaneTimeline）。依次放置：与前一条同轨则绝对 x + W，
+ * 异轨则以前一条圆点绝对位置为锚 + 0.5W（方案 C）。单轨（灰线）仍用 sharedEvents 顺序定宽。
+ */
+const dualLaneLayout = computed(() => {
+  const U = dualLaneTimeline.value;
+  const W = TIMELINE_ITEM_WIDTH_PX;
+
+  const chamberRowSenate = (item) => {
+    const s = isSenateEvent(item);
+    const h = isHouseEvent(item);
+    if (s && !h) return true;
+    if (h && !s) return false;
+    return Boolean(s);
+  };
+
+  const idxInU = (item) => U.indexOf(item);
+  const toSlots = (list, posByItem) =>
+    list.map((item) => ({
+      key: `${idxInU(item)}-${item.id ?? "e"}`,
       item,
-      left: slotIndex * TIMELINE_ITEM_WIDTH_PX
-    });
-    slotIndex += 1;
-  });
-  return list;
+      left: (posByItem.get(item) ?? 0) - DOT_LEFT_IN_ITEM_BOX_PX
+    }));
+
+  if (!U.length) {
+    return { senateSlots: [], houseSlots: [], maxDualLaneRightPx: 0 };
+  }
+
+  const posByItem = new Map();
+  let prevAbs = null;
+  let prevSenate = null;
+
+  for (const item of U) {
+    const sen = chamberRowSenate(item);
+    const margin = sen ? SENATE_CONTENT_BOX_MARGIN_LEFT_PX : HOUSE_CONTENT_BOX_MARGIN_LEFT_PX;
+    const absDot =
+      prevAbs === null ? margin : prevAbs + (sen === prevSenate ? W : W / 2);
+    posByItem.set(item, absDot - margin);
+    prevAbs = absDot;
+    prevSenate = sen;
+  }
+
+  /** 相对 content-box 左缘：卡片右边界 = layoutDotX - DOT_LEFT + W */
+  let maxDualLaneRightPx = 0;
+  for (const item of U) {
+    const layoutDotX = posByItem.get(item) ?? 0;
+    const rightPx = layoutDotX - DOT_LEFT_IN_ITEM_BOX_PX + W;
+    maxDualLaneRightPx = Math.max(maxDualLaneRightPx, rightPx);
+  }
+
+  return {
+    senateSlots: toSlots(
+      U.filter((item) => isSenateEvent(item)),
+      posByItem
+    ),
+    houseSlots: toSlots(
+      U.filter((item) => isHouseEvent(item)),
+      posByItem
+    ),
+    maxDualLaneRightPx
+  };
 });
 
-const houseEventsPositioned = computed(() => {
-  const list = [];
-  let slotIndex = 0;
-  dualLaneTimeline.value.forEach((item) => {
-    if (!isHouseEvent(item)) return;
-    list.push({
-      key: item.id,
-      item,
-      left: slotIndex * TIMELINE_ITEM_WIDTH_PX
-    });
-    slotIndex += 1;
-  });
-  return list;
-});
+const senateEventsPositioned = computed(() => dualLaneLayout.value.senateSlots);
+
+const houseEventsPositioned = computed(() => dualLaneLayout.value.houseSlots);
 
 const sharedEvents = computed(() => {
   return sortedTimeline.value.filter((item, idx) => {
@@ -317,14 +362,25 @@ const sharedEvents = computed(() => {
   });
 });
 
-const dualLaneCount = computed(() => {
-  return Math.max(senateEventsPositioned.value.length, houseEventsPositioned.value.length);
+/** 双轨 content-box 内所需宽度：最后卡片右缘 + 尾部留白（与 maxLineWidth 中的 extent 一致） */
+const dualLaneContentExtentPx = computed(() => {
+  if (!dualLaneTimeline.value.length) return 0;
+  return (
+    dualLaneLayout.value.maxDualLaneRightPx + TIMELINE_LINE_TAIL_PADDING_PX
+  );
 });
 
+/**
+ * 双轨横线（top-line / bottom-line 共用）宽度：起点 left:110，需画到与卡片区右缘对齐。
+ * 右缘 x = 120 + 参院 margin + extent = 254 + extent，故宽度 = 254 + extent - 110 = 144 + extent。
+ * 旧式 254+extent 多 110px，导致上下线都偏长。
+ */
 const maxLineWidth = computed(() => {
-  const senateWidth = 254 + dualLaneCount.value * TIMELINE_ITEM_WIDTH_PX;
-  const houseWidth = 150 + dualLaneCount.value * TIMELINE_ITEM_WIDTH_PX;
-  return Math.max(senateWidth, houseWidth);
+  if (!dualLaneTimeline.value.length) {
+    return Math.max(254, 150);
+  }
+  const extent = dualLaneContentExtentPx.value;
+  return 120 + SENATE_CONTENT_BOX_MARGIN_LEFT_PX + extent - 110;
 });
 
 const lineWidth = computed(() => `${maxLineWidth.value}px`);
@@ -350,22 +406,41 @@ const rightArrowCount = computed(() => {
   return Math.max(1, Math.ceil(sharedLineWidth.value / ARROW_SEGMENT_TOTAL_PX));
 });
 
+/** 参院 content 起点更靠右（margin 134 vs 30），众院 box 需多 104px 才能与参院右缘对齐 */
+const CONTENT_BOX_WIDTH_DELTA_SENATE_HOUSE_PX =
+  SENATE_CONTENT_BOX_MARGIN_LEFT_PX - HOUSE_CONTENT_BOX_MARGIN_LEFT_PX;
+
 const senateBoxStyle = computed(() => ({
-  width: `${maxLineWidth.value + 110 - 254}px`,
+  width: `${
+    dualLaneTimeline.value.length
+      ? dualLaneContentExtentPx.value
+      : 110
+  }px`,
   justifyContent: "flex-start"
 }));
 
 const houseBoxStyle = computed(() => ({
-  width: `${maxLineWidth.value + 110 - 150}px`,
+  width: `${
+    dualLaneTimeline.value.length
+      ? dualLaneContentExtentPx.value + CONTENT_BOX_WIDTH_DELTA_SENATE_HOUSE_PX
+      : 214
+  }px`,
   justifyContent: "flex-start"
 }));
 
 const rightPos = computed(() => `${maxLineWidth.value + 90}px`);
 
-const sharedBoxStyle = computed(() => ({
-  left: `${maxLineWidth.value + 219}px`,
+const sharedBoxStyle = computed(() => {
+  const rightTopPx = Number.parseFloat(String(rightTop.value)) || 0;
+  const rightCenterY = rightTopPx + 12;
+
+  return {
+    left: `${maxLineWidth.value + 230}px`,
+    top: `${rightCenterY}px`,
+    transform: "translateY(-100%)",
     width: `${Math.max(sharedLineWidth.value, sharedEvents.value.length * TIMELINE_ITEM_WIDTH_PX)}px`
-}));
+  };
+});
 
 const topLineEndRef = ref(null);
 const bottomLineEndRef = ref(null);
@@ -547,13 +622,18 @@ const updateRightTop = () => {
           }
         }
 
+        /* .top 高 260px，时间线 top:242px；卡片下缘应对齐线顶：距容器底 18px */
         .content-box {
           position: relative;
           margin-left: 134px;
-          margin-bottom: 19px;
+          margin-bottom: 0;
+          align-self: stretch;
+          min-height: 0;
 
           .item-box {
             position: absolute;
+            top: auto;
+            bottom: 18px;
           }
         }
       }
@@ -808,7 +888,7 @@ const updateRightTop = () => {
 
       .shared-content-box {
         position: absolute;
-        top: 170px;
+        top: 254px;
         display: flex;
 
         .item-box {

src/views/bill/introdoction/index.vue

@@ -834,6 +834,7 @@ onMounted(() => {
 							flex-shrink: 1;
 							max-width: 170px;
 							text-align: center;
+							margin-bottom: 10px;
 						}
 
 						.nameItemActive {

src/views/bill/template/index.vue

@@ -46,7 +46,7 @@
 						<div class="chart-ai-wrap">
 							<div :class="['right-box2-main', { 'right-box-main--full': !domainFooterText }]" id="chart2"></div>
 							<div class="overview-tip-row">
-								<TipTab class="overview-tip" />
+								<TipTab class="overview-tip" :text="'涉华科技法案数量及通过率变化趋势，数据来源：美国国会官网'"/>
 								<AiButton class="overview-tip-action" @mouseenter="handleShowAiPane('domain')" />
 							</div>
 							<div v-if="aiPaneVisible.domain" class="overview-ai-pane"
@@ -72,7 +72,7 @@
 						<div class="chart-ai-wrap">
 							<div :class="['right-box1-main', { 'right-box-main--full': !limitFooterText }]" id="chart1"></div>
 							<div class="overview-tip-row">
-								<TipTab class="overview-tip" />
+								<TipTab class="overview-tip" :text="'涉华科技法案数量及通过率变化趋势，数据来源：美国国会官网'"/>
 								<AiButton class="overview-tip-action" @mouseenter="handleShowAiPane('limit')" />
 							</div>
 							<div v-if="aiPaneVisible.limit" class="overview-ai-pane"