/* 蓝图时间轴 — wpsdu.com.cn SET 4 / cn */
:root {
  --bp-bg: #0A1628;
  --bp-text: #E8EEF6;
  --bp-muted: #C4D0DE;
  --bp-soft: #9EB0C4;
  --bp-node: #F5C518;
  --bp-line: #2A4A6A;
  --bp-panel: #0F2036;
  --bp-edge: #1C3A58;
  --bp-ink: #061018;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  min-height: 100%;
  color: var(--bp-text);
  background-color: var(--bp-bg);
  background-image:
    linear-gradient(rgba(42, 74, 106, 0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 74, 106, 0.22) 1px, transparent 1px);
  background-size: 28px 28px;
  background-attachment: fixed;
  font-family: Bahnschrift, "DIN Alternate", "Roboto Condensed", "Arial Narrow", "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 17px;
  line-height: 1.85;
  letter-spacing: 0.01em;
  text-rendering: optimizeLegibility;
}

img,
svg {
  max-width: 100%;
  vertical-align: middle;
}

a {
  color: var(--bp-node);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover {
  color: #ffe27a;
}

:focus-visible {
  outline: 2px solid var(--bp-node);
  outline-offset: 3px;
}

.bp-skip {
  position: absolute;
  left: -999px;
  top: 8px;
}

.bp-skip:focus {
  left: 12px;
  z-index: 20;
  background: var(--bp-ink);
  color: var(--bp-node);
  padding: 8px 12px;
}

/* —— 顶栏 —— */
.bp-top {
  border-bottom: 1px solid var(--bp-line);
  background: rgba(10, 22, 40, 0.94);
}

.bp-top-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 20px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.bp-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--bp-text);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.bp-brand:hover {
  color: var(--bp-node);
}

.bp-brand svg {
  color: var(--bp-node);
  flex: 0 0 auto;
}

.bp-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

.bp-nav a {
  color: var(--bp-muted);
  text-decoration: none;
  letter-spacing: 0.06em;
  font-size: 14px;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.bp-nav a:hover,
.bp-nav a.is-now {
  color: var(--bp-node);
  border-bottom-color: var(--bp-node);
}

.bp-sheetbar {
  max-width: 1080px;
  margin: 0 auto;
  padding: 8px 20px 0;
  color: var(--bp-soft);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* —— 时间轴骨架 —— */
.bp-wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 20px 64px;
}

.bp-rail {
  position: relative;
  padding-left: 0;
}

.bp-rail::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: var(--bp-line);
}

.bp-node {
  position: relative;
  margin: 0 0 28px;
  padding: 0 0 8px 52px;
}

.bp-dot {
  position: absolute;
  left: 7px;
  top: 22px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bp-bg);
  border: 3px solid var(--bp-node);
  box-shadow: 0 0 0 3px rgba(10, 22, 40, 0.9);
  z-index: 1;
}

.bp-node:first-child .bp-dot {
  background: var(--bp-node);
}

.bp-node:hover .bp-dot {
  box-shadow: 0 0 0 6px rgba(245, 197, 24, 0.22);
}

.bp-card {
  border: 1px solid var(--bp-edge);
  background: rgba(15, 32, 54, 0.88);
  padding: 22px 24px 24px;
  position: relative;
}

.bp-card::before,
.bp-card::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border: 1px solid var(--bp-node);
}

.bp-card::before {
  top: 6px;
  left: 6px;
  border-right: 0;
  border-bottom: 0;
}

.bp-card::after {
  bottom: 6px;
  right: 6px;
  border-left: 0;
  border-top: 0;
}

.bp-node:hover .bp-card {
  border-color: #3d6a90;
}

.bp-time {
  display: inline-block;
  margin: 0 0 10px;
  padding: 2px 8px 3px;
  border: 1px solid var(--bp-line);
  color: var(--bp-node);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-weight: 650;
  letter-spacing: 0.03em;
  line-height: 1.35;
  color: var(--bp-text);
}

h1 {
  margin: 0 0 14px;
  font-size: 34px;
}

h2 {
  margin: 0 0 14px;
  font-size: 24px;
}

h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.bp-lead,
.bp-card p {
  color: var(--bp-text);
}

.bp-lead {
  margin: 0 0 16px;
  font-size: 18px;
}

.bp-card p {
  margin: 0 0 14px;
}

.bp-card p:last-child {
  margin-bottom: 0;
}

.bp-note {
  color: var(--bp-muted);
}

.bp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.bp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 18px;
  border: 1px solid var(--bp-node);
  background: var(--bp-node);
  color: var(--bp-ink);
  text-decoration: none;
  font-weight: 650;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.bp-btn:hover {
  background: #ffe27a;
  color: var(--bp-ink);
}

.bp-btn-ghost {
  background: transparent;
  color: var(--bp-node);
}

.bp-btn-ghost:hover {
  background: rgba(245, 197, 24, 0.12);
  color: #ffe27a;
}

.bp-btn.is-loading {
  opacity: 0.72;
}

/* —— 评价日志 —— */
.bp-log {
  margin: 0 0 12px;
  padding: 12px 14px;
  border-left: 3px solid var(--bp-node);
  background: rgba(6, 16, 24, 0.55);
  color: var(--bp-text);
  font-family: Consolas, "Sarasa Mono SC", "Cascadia Mono", "Microsoft YaHei", monospace;
  font-size: 15px;
  line-height: 1.75;
}

.bp-log:hover {
  border-left-color: #ffe27a;
  background: rgba(245, 197, 24, 0.06);
}

.bp-log-meta {
  display: block;
  color: var(--bp-node);
  letter-spacing: 0.06em;
  font-size: 12px;
  margin-bottom: 4px;
}

/* —— 开放协议问答 —— */
.bp-proto {
  margin: 0 0 14px;
  border: 1px dashed var(--bp-line);
  padding: 14px 16px;
}

.bp-proto:hover {
  border-style: solid;
  border-color: #3d6a90;
}

.bp-proto-q {
  margin: 0 0 8px;
  color: var(--bp-node);
  letter-spacing: 0.04em;
  font-size: 16px;
}

.bp-proto-q span {
  display: inline-block;
  margin-right: 8px;
  border: 1px solid var(--bp-node);
  padding: 0 6px;
  font-size: 12px;
  letter-spacing: 0.1em;
}

.bp-proto p {
  margin: 0;
  color: var(--bp-text);
}

/* —— 表格 / 步骤 —— */
.bp-table-wrap {
  overflow-x: auto;
  margin: 12px 0 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

th,
td {
  border: 1px solid var(--bp-line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  color: var(--bp-text);
}

th {
  background: rgba(245, 197, 24, 0.08);
  color: var(--bp-node);
  letter-spacing: 0.06em;
  font-weight: 650;
}

tr:hover td {
  background: rgba(245, 197, 24, 0.05);
}

.bp-steps {
  margin: 8px 0 16px;
  padding: 0;
  list-style: none;
  counter-reset: bpstep;
}

.bp-steps li {
  position: relative;
  margin: 0 0 12px;
  padding: 10px 12px 10px 48px;
  border: 1px solid var(--bp-edge);
  background: rgba(6, 16, 24, 0.35);
}

.bp-steps li:hover {
  border-color: #3d6a90;
}

.bp-steps li::before {
  counter-increment: bpstep;
  content: counter(bpstep, decimal-leading-zero);
  position: absolute;
  left: 10px;
  top: 12px;
  color: var(--bp-node);
  font-weight: 700;
  letter-spacing: 0.06em;
}

/* —— 页脚 —— */
.bp-foot {
  border-top: 1px solid var(--bp-line);
  background: rgba(6, 16, 24, 0.72);
}

.bp-foot-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 20px 36px;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 18px;
  align-items: start;
}

.bp-seal {
  color: var(--bp-node);
}

.bp-verify {
  font-size: 16px;
  margin: 0 0 8px;
  color: var(--bp-node);
  letter-spacing: 0.12em;
  font-weight: 650;
  text-transform: uppercase;
}

.bp-foot p {
  margin: 0 0 10px;
  color: var(--bp-muted);
  font-size: 14px;
}

.bp-foot p:last-child {
  margin-bottom: 0;
}

@media (max-width: 720px) {
  h1 {
    font-size: 26px;
  }

  h2 {
    font-size: 20px;
  }

  .bp-top-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .bp-rail::before {
    left: 10px;
  }

  .bp-node {
    padding-left: 36px;
  }

  .bp-dot {
    left: 2px;
    width: 16px;
    height: 16px;
  }

  .bp-card {
    padding: 16px 14px 18px;
  }

  .bp-foot-inner {
    grid-template-columns: 1fr;
  }
}