/* 成本工具站 V0.3 —— 工具区独立样式
   与官网 site.css 零交叉：网站不加载本文件，本文件不依赖任何外部字体或框架。
   品牌主色沿用 D5 决策 #1379CD。 */

:root {
  --c-primary: #1379cd;
  --c-primary-dark: #0b4f87;
  --c-primary-light: #e8f1fb;
  --c-border: #c3d8ef;
  --c-text: #1c2430;
  --c-muted: #5b6672;
  --c-bg: #f6f8fb;
  --c-surface: #ffffff;
  --c-danger: #b3261e;
  --c-danger-bg: #fdeceb;
  --c-warn: #8a5a00;
  --c-warn-bg: #fff6e5;
  --c-info: #0b4f87;
  --c-info-bg: #eef5fd;
  --radius: 10px;
  --gap: 16px;
  --maxw: 1080px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font: 16px/1.65 "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word; /* 防长错误码/长串把手机端撑出横向滚动 */
}

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip {
  position: absolute; left: -9999px;
  background: var(--c-primary); color: #fff; padding: 10px 14px; border-radius: 0 0 8px 0; z-index: 9;
}
.skip:focus { left: 0; top: 0; }

/* 顶栏 */
.topbar { background: var(--c-surface); border-bottom: 1px solid var(--c-border); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; min-height: 60px; gap: 12px; }
.brand { display: inline-flex; align-items: baseline; gap: 10px; text-decoration: none; color: var(--c-text); min-width: 0; }
.brand-mark { font-weight: 700; font-size: 19px; color: var(--c-primary); }
.brand-sub { font-size: 14px; color: var(--c-muted); overflow-wrap: anywhere; }
.ver { font-size: 12px; color: var(--c-primary-dark); background: var(--c-primary-light); border: 1px solid var(--c-border); padding: 2px 8px; border-radius: 999px; white-space: nowrap; }

/* main 同时带 .wrap。.wrap 的 padding 简写会覆盖 main 的，故用 main.wrap 提高优先级 */
main.wrap { padding: 28px 20px 48px; }
h1 { font-size: 26px; margin: 12px 0 8px; }
h2 { font-size: 19px; margin: 0 0 10px; }
h3 { font-size: 17px; margin: 0; }
.lead { color: var(--c-muted); margin: 0 0 18px; }

/* 首页 */
.hero { padding: 8px 0 4px; }
.hero-kicker {
  display: inline-block; margin: 0 0 14px; padding: 3px 10px; border-radius: 999px;
  font-size: 13px; letter-spacing: .1em; color: var(--c-primary-dark); background: var(--c-primary-light);
  border: 1px solid var(--c-border);
}
.hero h1 { font-size: 32px; line-height: 1.32; margin: 0 0 12px; }
.hero-lead { font-size: 16px; color: var(--c-muted); max-width: 62ch; margin: 0 0 18px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; }
.hero-cta .btn { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.home-tools { scroll-margin-top: 16px; }
.section-title { margin: 30px 0 14px; font-size: 20px; }

/* 提示条 */
.banner {
  border-radius: var(--radius); padding: 14px 16px; margin: 16px 0;
  border: 1px solid var(--c-border); background: var(--c-surface);
}
.banner p { margin: 6px 0 0; }
.banner strong { display: block; font-size: 15px; }
.banner-info { background: var(--c-info-bg); border-color: var(--c-border); color: var(--c-info); }
.banner-warn { background: var(--c-warn-bg); border-color: #f0d9a8; color: var(--c-warn); }
.banner-danger { background: var(--c-danger-bg); border-color: #f3c3bf; color: var(--c-danger); }

.notice { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 16px; margin: 16px 0; }
.notice ul { margin: 8px 0 0; padding-left: 20px; color: var(--c-muted); }

/* 业务线分区 */
.line-block { margin: 28px 0; }
.line-head h2 { margin-bottom: 4px; }
.line-head p { margin: 0 0 12px; font-size: 13px; }

.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--gap); grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.card { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); transition: border-color .15s, box-shadow .15s; }
.card:hover { border-color: var(--c-primary); box-shadow: 0 2px 10px rgba(19, 121, 205, .12); }
.card-link { display: block; padding: 16px; text-decoration: none; color: inherit; height: 100%; }
.card-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.card-desc { color: var(--c-muted); font-size: 14px; margin: 10px 0 14px; }
.card-state { margin: 0; display: flex; gap: 8px; flex-wrap: wrap; }
/* 卡片上的「业务线｜接口状态」一行：按工具各自标注，不用统一标签 */
.card-api { margin: 0; font-size: 13px; line-height: 1.9; color: var(--c-muted); }
.card-api .chip { margin-right: 6px; }
.api-sep { margin: 0 2px; color: #8a97a5; }
.api-text { color: var(--c-text); }

.tag { font-size: 12px; font-weight: 700; color: var(--c-primary-dark); background: var(--c-primary-light); padding: 2px 8px; border-radius: 6px; letter-spacing: .5px; }
.chip { font-size: 12px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--c-border); color: var(--c-muted); background: #fff; }
.chip-pending { background: #fff; border-color: #e0c98f; color: var(--c-warn); }
.chip-demo { background: var(--c-danger-bg); border-color: #f3c3bf; color: var(--c-danger); font-weight: 700; }
.chip-line { background: var(--c-primary-light); border-color: var(--c-border); color: var(--c-primary-dark); }
.prov { font-size: 12px; color: var(--c-warn); border: 1px dashed #e0c98f; padding: 1px 6px; border-radius: 6px; margin-left: 8px; white-space: nowrap; }

/* 工具页 */
.crumb { font-size: 13px; color: var(--c-muted); margin-bottom: 8px; }
.crumb a { color: var(--c-primary); text-decoration: none; }
.tool-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; flex-wrap: wrap; }
.tool-meta { display: flex; gap: 8px; align-items: center; padding-top: 8px; }

.panel { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 18px; margin: 18px 0; min-width: 0; }
.field-pending { border: 1px dashed var(--c-border); border-radius: 8px; padding: 18px; color: var(--c-muted); background: #fbfdff; text-align: center; }
fieldset { border: 0; margin: 0; padding: 0; }

.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.btn { font: inherit; padding: 9px 16px; border-radius: 8px; border: 1px solid var(--c-border); background: #fff; color: var(--c-text); cursor: pointer; }
.btn:disabled { cursor: not-allowed; opacity: .55; }
.btn-primary { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--c-primary-dark); }
.btn-ghost:hover { border-color: var(--c-primary); color: var(--c-primary); }
.btn:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }

/* 结果区 */
.result { min-height: 64px; overflow-x: auto; } /* 渠道表过宽时在容器内滚动，不撑破页面 */
.loading { display: flex; align-items: center; gap: 10px; color: var(--c-muted); }
.spinner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid var(--c-border); border-top-color: var(--c-primary);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } }

.errbox { border: 1px solid #f3c3bf; background: var(--c-danger-bg); border-radius: 8px; padding: 14px 16px; }
.err-title { font-weight: 700; color: var(--c-danger); margin: 0 0 6px; }
.err-msg { margin: 0 0 6px; }
.err-code, .err-hint { font-size: 13px; color: var(--c-muted); margin: 4px 0; }
.err-code code { background: #fff; border: 1px solid var(--c-border); padding: 1px 6px; border-radius: 4px; word-break: break-all; }
.field-errors { margin: 8px 0; padding-left: 20px; font-size: 14px; }

table.channels { width: 100%; border-collapse: collapse; margin: 8px 0; font-size: 14px; }
table.channels caption { text-align: left; font-weight: 700; padding-bottom: 8px; }
table.channels th, table.channels td { border-bottom: 1px solid var(--c-border); padding: 8px 10px; text-align: left; }
table.channels th { background: #f9fbfe; font-weight: 600; }
table.channels td.num { text-align: right; font-variant-numeric: tabular-nums; }

.pending-list { margin: 0; padding-left: 20px; color: var(--c-muted); }
.muted { color: var(--c-muted); font-size: 14px; }

/* 页脚 */
.foot { border-top: 1px solid var(--c-border); background: var(--c-surface); padding: 20px 0 28px; font-size: 13px; color: var(--c-muted); }

/* ── 平板 ───────────────────────────────────────────── */
@media (max-width: 820px) {
  .hero h1 { font-size: 28px; }
}

/* ── 手机（375 / 390 / 430 均落在此区间）─────────────── */
@media (max-width: 640px) {
  main.wrap { padding: 20px 16px 40px; }
  h1, .hero h1 { font-size: 23px; }
  .hero { padding: 4px 0 0; }
  .hero-lead { font-size: 15px; }
  .hero-kicker { font-size: 12px; margin-bottom: 12px; }
  h2, .section-title { font-size: 18px; }
  .lead { font-size: 15px; }

  /* 顶栏：品牌与版本号不再抢位 */
  .topbar-inner { min-height: 56px; }
  .brand { gap: 8px; }
  .brand-mark { font-size: 18px; }
  .brand-sub { font-size: 13px; }
  .ver { font-size: 11px; padding: 2px 7px; }

  /* 工具标题区改为上下排 */
  .tool-head { flex-direction: column; gap: 8px; }
  .tool-meta { padding-top: 0; }

  /* 卡片：手机端强制单列，避免 minmax(260px) 在窄屏挤出空隙 */
  .cards { grid-template-columns: 1fr; gap: 12px; }
  .card-link { padding: 14px; }
  .card-desc { margin: 8px 0 12px; }

  /* 区块与按钮：加大点击热区，按钮占满整行 */
  .panel { padding: 14px; margin: 14px 0; }
  .banner, .notice { padding: 12px 14px; margin: 14px 0; }
  .field-pending { padding: 14px; }
  .actions { gap: 8px; }
  .actions .btn, .hero-cta .btn { flex: 1 1 100%; min-height: 44px; }
  .hero-cta { gap: 8px; }

  /* 表格：字号缩小 + 给最小宽度，让它在 .result 容器内横向滚动，而不是把 6 列挤成一团 */
  table.channels { font-size: 13px; min-width: 460px; }
  table.channels th, table.channels td { padding: 7px 8px; }
  .pending-list { padding-left: 18px; }
  .foot { padding: 16px 0 24px; }
}

/* ── 超窄屏（375 及以下）────────────────────────────── */
@media (max-width: 400px) {
  .brand-sub { display: none; } /* 只保留"邮满满"，避免版本徽章换行挤压 */
  .hero h1 { font-size: 21px; }
  .tag, .chip { font-size: 11px; }
}

/* ══════════════════════════════════════════════════════
   V0.4 新增：导航、表单、动态行、结果区
   ══════════════════════════════════════════════════════ */

/* 顶栏导航 */
.topnav { display: flex; gap: 14px; font-size: 14px; margin-left: auto; margin-right: 4px; }
.topnav a { color: var(--c-muted); text-decoration: none; padding: 4px 2px; border-bottom: 2px solid transparent; }
.topnav a:hover { color: var(--c-primary); border-bottom-color: var(--c-primary); }

/* 卡片：可计算 / 可录入 状态行 */
.card-mode { margin: 10px 0 0; }
.chip-ready { background: #e8f6ee; border-color: #bfe3cd; color: #1c6b3f; font-weight: 600; }

/* 表单 */
.form-hint { font-size: 13px; color: var(--c-muted); margin: 0 0 16px; }
/* Chrome 的 UA 样式给 fieldset 加了 min-inline-size: min-content，
   会把「可横向滚动的表格」撑成页面级横向溢出（T04 在 375px 下曾溢出 176px）。
   下面三行是那次修复的关键，勿删。 */
fieldset { min-inline-size: 0; min-width: 0; }
.fgroup { border: 0; margin: 0 0 22px; padding: 0; min-width: 0; }
.fgroup > legend { font-weight: 700; font-size: 16px; padding: 0; margin-bottom: 4px; }
.group-note { font-size: 13px; color: var(--c-muted); margin: 0 0 12px; }

.fields { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; min-width: 0; }
.span-full { grid-column: span 6; }
.span-half { grid-column: span 3; }
.span-third { grid-column: span 2; }

.field { min-width: 0; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.req { color: var(--c-danger); margin-left: 3px; font-weight: 700; }
.control { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.control input,
.control select {
  flex: 1 1 100px; min-width: 0; width: 100%;
  font: inherit; font-size: 15px; color: var(--c-text);
  padding: 9px 10px; border: 1px solid var(--c-border); border-radius: 8px; background: #fff;
}
.control input:focus,
.control select:focus { outline: 2px solid var(--c-primary); outline-offset: 1px; border-color: var(--c-primary); }
.control .unit { font-size: 13px; color: var(--c-muted); white-space: nowrap; }
.quick { display: flex; gap: 4px; }
.quick-btn {
  font: inherit; font-size: 12px; padding: 3px 8px; cursor: pointer;
  border: 1px solid var(--c-border); background: var(--c-primary-light);
  color: var(--c-primary-dark); border-radius: 999px;
}
.quick-btn:hover { border-color: var(--c-primary); }
.help { font-size: 12px; color: var(--c-muted); margin: 6px 0 0; line-height: 1.55; }
.field-error { font-size: 13px; color: var(--c-danger); margin: 6px 0 0; }
.has-error .control input,
.has-error .control select { border-color: var(--c-danger); background: var(--c-danger-bg); }

.notice-key { background: var(--c-primary-light); border-color: var(--c-border); }
.notice-key ol { margin: 8px 0 0; padding-left: 22px; }
.notice-key li { margin: 4px 0; font-size: 14px; }

/* 动态行（逐包 / 分段档位） */
.rows { margin: 0 0 14px; overflow-x: auto; max-width: 100%; }
.rows-table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 520px; }
.rows-table caption { text-align: left; }
.rows-table th,
.rows-table td { border-bottom: 1px solid var(--c-border); padding: 6px 8px; text-align: left; }
.rows-table th { background: #f9fbfe; font-weight: 600; font-size: 13px; white-space: nowrap; }
.rows-table td input {
  width: 100%; min-width: 64px; font: inherit; font-size: 14px; padding: 7px 8px;
  border: 1px solid var(--c-border); border-radius: 6px; background: #fff; color: inherit;
}
.rows-table td input:focus { outline: 2px solid var(--c-primary); outline-offset: 1px; }
.row-no { color: var(--c-muted); font-variant-numeric: tabular-nums; width: 28px; }
.row-del {
  width: 30px; height: 30px; line-height: 1; cursor: pointer; font-size: 16px;
  border: 1px solid var(--c-border); border-radius: 6px; background: #fff; color: var(--c-muted);
}
.row-del:hover { border-color: var(--c-danger); color: var(--c-danger); }
.rows-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.rows-actions .muted { font-size: 12px; }
.tiers-wrap { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--c-border); }

/* 结果区 */
.res-notice { margin: 0 0 16px; }
.res-notice p { font-size: 13px; margin: 4px 0; }

.res-hero {
  background: var(--c-primary-light); border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 18px 20px;
}
.res-label { font-size: 13px; letter-spacing: .08em; color: var(--c-primary-dark); margin: 0; font-weight: 600; }
.res-value { font-size: 42px; font-weight: 700; line-height: 1.1; margin: 6px 0 0; color: var(--c-primary-dark); font-variant-numeric: tabular-nums; }
.res-unit { font-size: 18px; font-weight: 600; margin-left: 6px; }
.res-sub { margin: 8px 0 0; font-size: 14px; color: var(--c-muted); }
.res-tag { display: inline-block; margin: 12px 0 0; padding: 3px 10px; border-radius: 999px; font-size: 13px; }
.tag-vol { background: var(--c-warn-bg); border: 1px solid #f0d9a8; color: var(--c-warn); }
.tag-heavy { background: #e8f6ee; border: 1px solid #bfe3cd; color: #1c6b3f; }

.res-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin: 16px 0; }
.res-cell { background: #fbfdff; border: 1px solid var(--c-border); border-radius: 8px; padding: 10px 12px; display: flex; flex-direction: column; gap: 4px; }
.res-cell .k { font-size: 12px; color: var(--c-muted); }
.res-cell .v { font-weight: 600; font-variant-numeric: tabular-nums; }

.steps { background: #fbfdff; border: 1px solid var(--c-border); border-radius: 8px; padding: 12px 14px; margin: 14px 0; }
.steps summary { cursor: pointer; font-weight: 600; font-size: 14px; }
.steps ol { margin: 10px 0 0; padding-left: 22px; }
.steps li { margin: 8px 0; font-size: 14px; line-height: 1.6; }
.step-label { font-weight: 700; margin-right: 8px; }
.step-note { display: block; font-size: 12px; color: var(--c-muted); }

/* 参数整理 */
.res-summary { margin-bottom: 14px; }
.res-small { font-size: 14px; color: var(--c-muted); margin: 6px 0 0; }
.checks { background: var(--c-warn-bg); border: 1px solid #f0d9a8; border-radius: 8px; padding: 12px 16px; margin: 0 0 16px; }
.checks h3 { font-size: 14px; margin: 0 0 6px; }
.checks ul { margin: 0; padding-left: 20px; }
.checks li { font-size: 13px; margin: 4px 0; }
.check-warn { color: var(--c-warn); }
.check-info { color: var(--c-muted); }

.param-group { margin: 18px 0; }
.param-group h3 { font-size: 15px; margin: 0 0 8px; }
.param-list { margin: 0; border: 1px solid var(--c-border); border-radius: 8px; overflow: hidden; }
.param-row { display: flex; justify-content: space-between; gap: 16px; padding: 9px 12px; border-bottom: 1px solid var(--c-border); font-size: 14px; }
.param-row:last-child { border-bottom: 0; }
.param-row dt { margin: 0; color: var(--c-muted); flex: 0 0 auto; }
.param-row dd { margin: 0; font-weight: 600; text-align: right; overflow-wrap: anywhere; }
.param-row.is-empty dd { color: #9aa5b1; font-weight: 400; }

/* ── 表单相关：平板 ─────────────────────────────── */
@media (max-width: 820px) {
  .fields { gap: 12px; }
  .span-half { grid-column: span 6; }
  .span-third { grid-column: span 3; }
}

/* ── 表单相关：手机 ─────────────────────────────── */
@media (max-width: 640px) {
  .topnav { gap: 10px; font-size: 13px; }
  .fields { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .span-full, .span-half { grid-column: span 2; }
  .span-third { grid-column: span 1; }
  .control input, .control select { font-size: 16px; min-height: 44px; } /* 16px 防 iOS 聚焦缩放 */
  .quick { width: 100%; }
  .quick-btn { min-height: 32px; padding: 4px 10px; }
  .fgroup > legend { font-size: 15px; }
  .res-value { font-size: 34px; }
  .res-hero { padding: 14px; }
  .param-row { flex-direction: column; gap: 2px; }
  .param-row dd { text-align: left; }
  .rows-table { font-size: 13px; }
  .rows-actions .btn { flex: 1 1 auto; min-height: 44px; }
}

@media (max-width: 400px) {
  .topnav { font-size: 12px; gap: 8px; }
  .fields { grid-template-columns: 1fr; }
  .span-third { grid-column: span 1; }
  .res-value { font-size: 30px; }
}
  .card-top { gap: 8px; }
}

/* ───────────── V0.5 新增：能力面板 / 进度 / 导出 / 草稿 ───────────── */

/* 能力与缺口三列 */
.panel-cap { border-color: var(--c-border); }
.cap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  min-width: 0;
}
.cap-col {
  background: #fbfdff;
  border: 1px solid #e3eef9;
  border-radius: 8px;
  padding: 12px 14px;
  min-width: 0;
}
.cap-col h3 {
  font-size: 14px;
  margin: 0 0 8px;
  color: var(--c-primary-dark);
}
.cap-list { margin: 0; padding-left: 18px; font-size: 14px; color: var(--c-text); }
.cap-list li { margin: 4px 0; overflow-wrap: anywhere; }
.cap-list-gap { color: var(--c-muted); }
.cap-up { margin: 0 0 6px; font-size: 14px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.cap-col .muted { font-size: 13px; margin: 0; }

/* 填写进度 */
.progress {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 6px 0 2px;
  font-size: 13px;
  color: var(--c-muted);
  min-width: 0;
}
.progress span[data-progress-bar] {
  display: block;
  height: 6px;
  width: 0;
  max-width: 220px;
  flex: 1 1 120px;
  background: var(--c-primary);
  border-radius: 999px;
  transition: width .18s ease;
  opacity: .85;
}
.progress[data-done="yes"] span[data-progress-text] { color: #1d6b33; font-weight: 600; }

/* 草稿提示 */
.draft-hint {
  margin: 8px 0;
  padding: 8px 12px;
  background: var(--c-info-bg);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  font-size: 13px;
  color: var(--c-info);
}

/* 参数整理：推导值 */
.derived { margin: 16px 0; }
.derived h3 { font-size: 15px; margin: 0 0 4px; }
.derived .muted { font-size: 13px; margin: 0 0 8px; }
.derived-list { list-style: none; margin: 0; padding: 0; }
.derived-list li {
  display: grid;
  grid-template-columns: minmax(120px, 1.1fr) minmax(80px, .8fr) minmax(140px, 1.6fr);
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid #e3eef9;
  border-radius: 8px;
  margin-bottom: 6px;
  font-size: 14px;
  min-width: 0;
}
.derived-list .dk { color: var(--c-muted); }
.derived-list .dv { font-weight: 700; color: var(--c-primary-dark); }
.derived-list .dv em { font-style: normal; font-weight: 400; font-size: 12px; color: var(--c-muted); }
.derived-list .df { font-size: 12px; color: var(--c-muted); overflow-wrap: anywhere; }

/* 结果导出条 */
.res-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 8px 0 12px;
  margin-bottom: 10px;
  border-bottom: 1px dashed var(--c-border);
  font-size: 13px;
}
.res-tools-label { color: var(--c-muted); }
.btn-mini {
  padding: 4px 10px;
  font-size: 13px;
  border-radius: 6px;
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  color: var(--c-primary-dark);
  cursor: pointer;
}
.btn-mini:hover { border-color: var(--c-primary); color: var(--c-primary); }
.res-tools-note { color: #1d6b33; }

@media (max-width: 640px) {
  .derived-list li { grid-template-columns: 1fr; gap: 2px; }
  .cap-grid { grid-template-columns: 1fr; }
  .res-tools { gap: 6px; }
}

/* ───────────── V0.6 新增：首页业务线入口 / 总览分区锚点 ───────────── */

/* 首页：四条业务线入口 */
.line-entries { scroll-margin-top: 16px; }
.home-common { scroll-margin-top: 16px; margin-top: 8px; }
.section-sub { color: var(--c-muted); font-size: 14px; margin: -6px 0 14px; }

.line-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.line-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-top: 3px solid var(--c-primary);
  border-radius: var(--radius);
  padding: 16px;
  transition: border-color .15s, box-shadow .15s;
}
.line-card:hover { border-color: var(--c-primary); box-shadow: 0 2px 12px rgba(19, 121, 205, .12); }
.line-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  min-width: 0;
}
.line-card-top h3 { font-size: 18px; color: var(--c-primary-dark); min-width: 0; overflow-wrap: anywhere; }
.line-card-note {
  color: var(--c-muted);
  font-size: 13px;
  margin: 8px 0 12px;
  min-height: 42px;
}
.line-card-tools { list-style: none; margin: 0 0 14px; padding: 0; }
.lt-item { min-width: 0; }
.lt-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  margin-bottom: 6px;
  border: 1px solid #e3eef9;
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}
.lt-link:hover { border-color: var(--c-primary); background: #fbfdff; }
.lt-link:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }
.lt-name { flex: 1 1 auto; min-width: 0; font-size: 14px; font-weight: 600; overflow-wrap: anywhere; }
.lt-state { flex: 0 0 auto; }
.lt-state .chip { white-space: nowrap; }
.line-card-cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  align-self: flex-start;
}

/* 总览：分区锚点与跳转条 */
.line-block { scroll-margin-top: 16px; }
.jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
  padding: 10px 12px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
}
.jump-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--c-border);
  border-radius: 999px;
  font-size: 13px;
  color: var(--c-primary-dark);
  background: var(--c-primary-light);
  text-decoration: none;
}
.jump-link:hover { border-color: var(--c-primary); }
.jump-count {
  font-size: 12px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 999px;
  padding: 0 6px;
  color: var(--c-muted);
}

@media (max-width: 860px) {
  .line-cards { grid-template-columns: 1fr; }
  .line-card-note { min-height: 0; }
}
@media (max-width: 480px) {
  .lt-link { flex-wrap: wrap; }
  .lt-state { width: 100%; }
  .line-card-cta { align-self: stretch; }
}

/* ───────────── V0.7 新增：条件必填 / 通用子表 / 统一状态提示 ───────────── */

/* 条件必填标记：条件未满足时隐藏星号，但字段本身仍然可见 */
.req-cond { color: var(--c-primary); }
.req-cond[hidden] { display: none; }

/* 通用子表：枚举列用 select，样式与输入框对齐 */
.rows-table td select {
  width: 100%; min-width: 132px; font: inherit; font-size: 14px; padding: 7px 8px;
  border: 1px solid var(--c-border); border-radius: 6px; background: #fff; color: inherit;
}
.rows-table td select:focus { outline: 2px solid var(--c-primary); outline-offset: 1px; }
.rows-table tr.has-error td { background: var(--c-danger-bg); }
.rows-table .th-unit { display: block; font-weight: 400; color: var(--c-muted); font-size: 11px; }

.rows-note { font-size: 12px; color: var(--c-muted); margin: 8px 0 0; line-height: 1.6; }
.rows-wrap { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--c-border); }

/* 结果区：统一状态提示 */
.res-calc { margin: 0 0 12px; }
.res-calc p { font-size: 13px; margin: 4px 0 0; }
.param-meta { font-size: 12px; margin: 0 0 12px; line-height: 1.6; }

.param-lists { margin: 16px 0; overflow-x: auto; }
.param-lists h3 { font-size: 15px; margin: 0 0 8px; }
table.channels-tight { min-width: 420px; font-size: 13px; }
table.channels-tight th, table.channels-tight td { padding: 6px 8px; }

.err-row { display: inline-block; margin-right: 6px; font-size: 12px; color: var(--c-muted); }
.err-rule { display: inline-block; margin-right: 6px; padding: 0 6px; border-radius: 4px; font-size: 12px; font-weight: 700; color: #a12a2a; background: #fdeaea; border: 1px solid #f0c2c2; }

/* 子表在窄屏只能横向滚动，给一句可读的提示（桌面端不显示） */
.rows-scroll-hint { display: none; }

@media (max-width: 640px) {
  .rows-table td select { min-width: 148px; font-size: 16px; min-height: 44px; } /* 16px 防 iOS 聚焦缩放 */
  .rows-table { min-width: 480px; }
  /* 纯数字列的子表：压进一屏，不逼用户横向滑动 */
  .rows[data-rowkind="num"] .rows-table { min-width: 100%; }
  .rows[data-rowkind="num"] .rows-table th,
  .rows[data-rowkind="num"] .rows-table td { padding: 6px 4px; }
  .rows[data-rowkind="num"] .rows-table td input { min-width: 0; padding: 7px 4px; font-size: 16px; }
  .rows[data-rowkind="num"] .rows-table th { font-size: 12px; }
  .rows-scroll-hint { display: inline; }
  table.channels-tight { min-width: 360px; }
  .param-meta { font-size: 12px; }
}

/* ───────── V0.9：金额结果（kind: money） ─────────
   费率由用户填写、由服务端按正式公式算好；前端只显示，不再加总。 */
.money-head { border-left: 4px solid var(--c-primary); padding-left: 12px; }
.money-value {
  font-size: 40px; font-weight: 700; line-height: 1.15; margin: 6px 0 0;
  color: var(--c-primary-dark); font-variant-numeric: tabular-nums;
}
.money-value em { font-size: 17px; font-weight: 600; font-style: normal; margin-left: 6px; color: var(--c-muted); }
.money-section { margin: 18px 0; }
.money-section h3 { font-size: 15px; margin: 0 0 8px; color: var(--c-primary-dark); }
.money-table { width: 100%; border-collapse: collapse; border: 1px solid var(--c-border); border-radius: 8px; overflow: hidden; }
.money-table th, .money-table td { padding: 8px 10px; font-size: 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--c-border); }
.money-table tr:last-child th, .money-table tr:last-child td { border-bottom: 0; }
.money-table th[scope="row"] { font-weight: 500; color: var(--c-text); background: var(--c-surface); width: 46%; }
.money-cell { font-variant-numeric: tabular-nums; font-weight: 600; white-space: nowrap; }
.money-cell em { font-style: normal; font-weight: 500; font-size: 12px; color: var(--c-muted); }
.money-note { font-size: 12px; }

@media (max-width: 640px) {
  .money-value { font-size: 32px; }
  .money-table th, .money-table td { padding: 7px 8px; font-size: 13px; }
  .money-table th[scope="row"] { width: 50%; }
  .money-note { display: block; }
}