/* ===========================================================
   投标小工具 —— 工具页公共样式
   依赖 style.css 中的 CSS 变量，须在 style.css 之后加载
   =========================================================== */

/* ---------- 工具中心页 ---------- */
.tools-wrap { max-width: 1000px; margin: 0 auto; }

/* 仅工具页生效：让 banner 副标题均衡断行，避免末行只剩一两个字 */
.page-banner .banner-sub { text-wrap: balance; }

.tools-intro {
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--color-text-medium);
  margin: 0 0 24px;
}
.tools-intro strong { color: var(--color-primary); font-weight: 600; }

.tools-notice {
  margin: 0 0 28px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: #FDF8F4;
  border: 1px solid #F3E3D6;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: #8A4B21;
}
.tools-notice a {
  color: #C2410C;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.tool-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.tool-card.wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 26px;
  row-gap: 3px;
}
.tool-card.wide .tool-head { grid-column: 1; grid-row: 1; margin-bottom: 2px; }
.tool-card.wide .tool-desc { grid-column: 1; grid-row: 2; margin: 0 0 8px; }
.tool-card.wide .tool-scene { grid-column: 1; grid-row: 3; margin: 0; }
.tool-card.wide .tool-open { grid-column: 2; grid-row: 1 / span 3; margin: 0; white-space: nowrap; }

/* 中心页的整卡链接（需断开 <a> 的下划线与文字色继承） */
a.tool-card {
  text-decoration: none;
  color: var(--color-text);
}
a.tool-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
}

.tool-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.tool-no {
  width: 26px; height: 26px;
  flex-shrink: 0;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tool-card h2,
.tool-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
  letter-spacing: 0;
}
.tool-desc {
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--color-text-light);
  margin: 0 0 14px;
}
.tool-scene {
  margin: 0 0 16px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-soft);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--color-text-medium);
}
.tool-scene b { color: var(--color-primary); font-weight: 600; }
.tool-open {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-accent);
}
a.tool-card:hover .tool-open { color: var(--color-primary); }

/* ---------- 单工具页 ---------- */
.tool-panel {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 30px 26px;
  box-shadow: var(--shadow-sm);
}
.tool-panel-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 18px;
  padding: 4px 12px;
  border-radius: 99px;
  background: rgba(46, 123, 224, 0.1);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
}

.field { margin-bottom: 12px; }
.field:last-of-type { margin-bottom: 0; }
.field label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-medium);
  margin-bottom: 6px;
}
.field input,
.field textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 13px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-text);
  font-size: 0.9375rem;
  font-family: inherit;
  line-height: 1.5;
  transition: var(--transition);
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(46, 123, 224, 0.12);
}
.field textarea { resize: vertical; min-height: 96px; }
.field .hint {
  margin-top: 5px;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--color-text-light);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.field-row .field { margin-bottom: 12px; }
.field-row.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.unit-suffix {
  display: flex;
  align-items: stretch;
}
.unit-suffix input { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.unit-suffix .sfx {
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: 0.8125rem;
  color: var(--color-text-medium);
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-left: none;
  border-radius: 0 8px 8px 0;
  white-space: nowrap;
}

.result {
  margin-top: 18px;
  padding: 14px 16px;
  background: var(--color-bg-soft);
  border-radius: 10px;
  border-left: 3px solid var(--color-accent);
}
.result-k {
  font-size: 0.75rem;
  color: var(--color-text-light);
  letter-spacing: 0.03em;
  margin-bottom: 4px;
}
.result-v {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.35;
  word-break: break-all;
}
.result-v small {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-medium);
  margin-left: 4px;
}
.result-v.txt { font-size: 1.0625rem; line-height: 1.7; letter-spacing: 0.02em; }
.result-sub {
  font-size: 0.8125rem;
  color: var(--color-text-medium);
  margin-top: 8px;
  line-height: 1.7;
}
.result-sub .warn { color: #B45309; font-weight: 600; }
.result-sub b { color: var(--color-primary); font-weight: 600; }
.result-plan {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-text-medium);
  line-height: 1.9;
}
.result-plan b { color: var(--color-primary); font-weight: 600; }

.stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 2px;
}
.stat-pill {
  padding: 6px 12px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-text-medium);
}
.stat-pill b { color: var(--color-primary); font-weight: 700; }

.tool-note {
  margin-top: 12px;
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--color-text-light);
}

/* ---------- 工具页正文 ---------- */
.tool-doc {
  margin-top: 44px;
  font-size: 1rem;
  line-height: 1.95;
  color: var(--color-text-medium);
}
.tool-doc h2 {
  margin: 42px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--color-primary);
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--color-text);
}
.tool-doc h2:first-child { margin-top: 0; }
.tool-doc h3 {
  margin: 26px 0 10px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
}
.tool-doc p { margin: 0 0 18px; }
.tool-doc ul, .tool-doc ol { margin: 0 0 20px; padding-left: 24px; }
.tool-doc li { margin-bottom: 8px; }
.tool-doc strong { color: var(--color-text); font-weight: 700; }
.tool-doc a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.tool-doc a:hover { color: var(--color-primary); }

.tool-table-wrap { overflow-x: auto; margin: 22px 0; }
.tool-doc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  line-height: 1.7;
}
.tool-doc th, .tool-doc td {
  padding: 11px 14px;
  border: 1px solid var(--color-border-light);
  text-align: left;
  vertical-align: top;
}
.tool-doc th {
  background: var(--color-bg-soft);
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
}

/* ---------- FAQ ---------- */
.tool-faq { margin-top: 46px; }
.tool-faq h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 18px;
  padding-left: 12px;
  border-left: 4px solid var(--color-accent);
}
.tool-faq .faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin-bottom: 12px;
  background: #fff;
}
.tool-faq .faq-item h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 8px;
}
.tool-faq .faq-item p {
  font-size: 0.875rem;
  line-height: 1.85;
  color: var(--color-text-medium);
  margin: 0;
}

/* ---------- 免责声明 ---------- */
.tool-disclaimer {
  margin-top: 40px;
  padding: 22px 24px;
  border: 1px solid #E3E8F0;
  border-left: 4px solid #C2410C;
  border-radius: var(--radius-sm);
  background: #FDF8F4;
  scroll-margin-top: 90px;
}
.tool-disclaimer h2 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 12px;
  padding: 0;
  border: 0;
}
.tool-disclaimer h2 i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #C2410C;
  color: #fff;
  font-size: 0.75rem;
  font-style: normal;
  font-weight: 700;
  line-height: 1;
}
.tool-disclaimer ul { margin: 0; padding: 0; list-style: none; }
.tool-disclaimer li {
  position: relative;
  padding-left: 14px;
  margin-bottom: 9px;
  font-size: 0.8125rem;
  line-height: 1.85;
  color: var(--color-text-medium);
}
.tool-disclaimer li:last-child { margin-bottom: 0; }
.tool-disclaimer li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #C2410C;
  opacity: 0.55;
}
.tool-disclaimer li b { color: var(--color-text); font-weight: 600; }

/* ---------- 相关工具 ---------- */
.tool-nav-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.tool-nav-grid a {
  display: block;
  height: 100%;
  box-sizing: border-box;
  padding: 12px 14px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  background: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-text);
  text-decoration: none;
  transition: var(--transition);
}
.tool-nav-grid a:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}
.tool-nav-grid span {
  display: block;
  margin-top: 4px;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-text-light);
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .tool-grid { grid-template-columns: 1fr; gap: 16px; }
  .tool-card { padding: 20px; }
  .tool-card.wide { display: flex; flex-direction: column; }
  .tool-card.wide .tool-head { margin-bottom: 8px; }
  .tool-card.wide .tool-desc { margin: 0 0 14px; }
  .tool-card.wide .tool-scene { margin: 0 0 16px; }
  .tool-card.wide .tool-open { margin-top: auto; }
  .tool-panel { padding: 20px 18px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .field-row.three { grid-template-columns: 1fr; }
  .result-v { font-size: 1.3125rem; }
  .result-v.txt { font-size: 1rem; }
  .tool-disclaimer { padding: 18px 16px; }
  .tool-nav-grid { grid-template-columns: 1fr; }
  .tool-doc h2 { font-size: 1.25rem; }
  .tool-doc th { white-space: normal; }
  .tool-doc th, .tool-doc td { padding: 9px 10px; }
}