/* ============================================================
   EV Range · 样式
   浅色、克制、信息密度优先。不做花哨动效。
   ============================================================ */

:root {
  --bg: #f5f6f8;
  --bg-soft: #eef0f4;
  --card: #ffffff;
  --border: #e3e6ec;
  --border-strong: #d3d8e2;
  --text: #14181f;
  --text-2: #4a5261;
  --muted: #7c8698;
  --accent: #2563eb;
  --accent-soft: #eaf0ff;
  --accent-dark: #1d4ed8;
  --ok: #0f9d63;
  --ok-soft: #e8f7f0;
  --warn: #d97706;
  --warn-soft: #fff5e6;
  --danger: #dc2626;
  --danger-soft: #fdecec;
  --regen: #0d9488;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(20, 24, 31, .05), 0 8px 24px -12px rgba(20, 24, 31, .12);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "Noto Sans SC", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

/* 必须放在所有组件规则之前也依然生效：[hidden] 要能压过 .modal{display:grid} 这类类选择器 */
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { margin: 0; line-height: 1.35; font-weight: 650; }

code {
  font-family: var(--mono);
  font-size: .88em;
  background: var(--bg-soft);
  padding: 1px 5px;
  border-radius: 5px;
  color: var(--text-2);
}

/* ---------------------------------------------------------- 导航 */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1320px; margin: 0 auto; padding: 10px 22px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 15px; letter-spacing: .2px; }
.brand-text em { font-style: normal; font-size: 11px; color: var(--muted); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: var(--text-2); font-size: 13px; padding: 6px 11px; border-radius: 8px;
}
.nav-links a:hover { background: var(--bg-soft); text-decoration: none; color: var(--text); }

/* ---------------------------------------------------------- 按钮 */
.btn {
  display: inline-flex; align-items: center; gap: 7px; justify-content: center;
  font-family: inherit; font-size: 13.5px; font-weight: 550;
  padding: 9px 15px; border-radius: 10px; border: 1px solid transparent;
  cursor: pointer; transition: background .14s, border-color .14s, opacity .14s;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; }
.btn-ghost { background: #fff; border-color: var(--border-strong); color: var(--text-2); }
.btn-ghost:hover { background: var(--bg-soft); color: var(--text); }
.btn-icon { padding: 9px 11px; }
.link-btn {
  background: none; border: 0; color: var(--muted); font-size: 12.5px;
  cursor: pointer; font-family: inherit; padding: 2px 4px;
}
.link-btn:hover { color: var(--danger); }
.icon-btn {
  background: none; border: 0; font-size: 16px; color: var(--muted);
  cursor: pointer; line-height: 1; padding: 4px 8px; border-radius: 8px;
}
.icon-btn:hover { background: var(--bg-soft); color: var(--text); }

/* ---------------------------------------------------------- 布局 */
main { max-width: 1320px; margin: 0 auto; padding: 0 22px 60px; }

.hero { padding: 46px 0 26px; max-width: 780px; }
.hero h1 { font-size: 34px; letter-spacing: -.6px; }
.hero-sub { margin: 12px 0 18px; color: var(--text-2); font-size: 15px; line-height: 1.75; }
.hero-sub strong { color: var(--text); font-weight: 600; }
.badges { display: flex; flex-wrap: wrap; gap: 7px; }
.badge {
  font-size: 11.5px; color: var(--text-2); background: #fff;
  border: 1px solid var(--border); padding: 3.5px 10px; border-radius: 999px;
}
.badge-accent { color: var(--accent); background: var(--accent-soft); border-color: #d3e0ff; }

.layout { display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 20px; align-items: start; }
.col-main { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.col-side { position: sticky; top: 74px; }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px 22px;
}
.card-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; margin-bottom: 16px;
}
.card-head h2 { font-size: 16px; }
.card-hint { font-size: 12px; color: var(--muted); }
.card-hint b { color: var(--danger); }

/* ---------------------------------------------------------- 表单 */
.form-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px;
}
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field > label, .field > span {
  font-size: 12.5px; font-weight: 550; color: var(--text-2);
  display: flex; align-items: center;
}
/* 必填星号紧贴标签文字（不能用 space-between，否则会被推到字段右边缘） */
.field > label b, .field > span b { color: var(--danger); margin-left: 3px; }
.field .val {
  margin-left: auto; font-family: var(--mono); color: var(--accent); font-size: 12px;
}
.field-hint { font-size: 11.5px; color: var(--muted); line-height: 1.5; }
.span2 { grid-column: span 2; }

input[type="text"], input[type="number"], input[type="password"],
input[type="datetime-local"], input:not([type]), select, textarea {
  font-family: inherit; font-size: 13.5px; color: var(--text);
  background: #fff; border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); padding: 8px 11px; width: 100%;
  transition: border-color .14s, box-shadow .14s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}
input::placeholder, textarea::placeholder { color: #a8b0be; }

input[type="range"] {
  -webkit-appearance: none; appearance: none; background: transparent;
  padding: 0; height: 22px; border: 0; box-shadow: none;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 5px; border-radius: 3px; background: var(--bg-soft); border: 1px solid var(--border);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 15px; height: 15px; border-radius: 50%;
  background: var(--accent); border: 2px solid #fff; margin-top: -6px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, .22); cursor: pointer;
}

.form-actions {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--border);
}
.run-status { font-size: 12.5px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.run-status.err { color: var(--danger); }
.run-status.ok { color: var(--ok); }

/* 车型选择结果 */
.car-picked {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--accent-soft); border: 1px solid #d3e0ff;
  border-radius: var(--radius-sm); padding: 7px 11px; font-size: 12.5px; color: var(--accent-dark);
}
.car-picked b { font-weight: 650; }
.car-picked span { font-family: var(--mono); font-size: 11.5px; opacity: .85; }
/* 平台 / 换电标记：不是数字，别用等宽字体 */
.car-picked span.tag {
  font-family: inherit; font-size: 11px; font-weight: 600; opacity: 1;
  background: #fff; border: 1px solid #c9dbff; color: var(--accent-dark);
  padding: 1.5px 8px; border-radius: 999px;
}
.car-picked span.tag-swap {
  border-color: #b6e7cf; color: var(--ok); background: var(--ok-soft);
}

.custom-grid label.check {
  flex-direction: row; align-items: center; gap: 7px;
  font-size: 12px; color: var(--text-2); cursor: pointer; padding-top: 20px;
}
.custom-grid label.check input { width: auto; margin: 0; accent-color: var(--accent); }

.car-custom { margin-top: 4px; }
.car-custom summary, .adv summary {
  font-size: 12px; color: var(--muted); cursor: pointer; padding: 2px 0;
}
.car-custom summary:hover, .adv summary:hover { color: var(--accent); }
.custom-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 10px; }
.custom-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 11.5px; color: var(--muted); }
.custom-grid input { font-size: 12.5px; padding: 6px 9px; }

/* 联想下拉 */
.ac-wrap { position: relative; }
.ac-list {
  position: absolute; top: calc(100% + 4px); left: 0; right: 0; z-index: 30;
  background: #fff; border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  box-shadow: 0 12px 32px -10px rgba(20, 24, 31, .22); overflow: hidden; max-height: 260px; overflow-y: auto;
}
.ac-item { padding: 8px 12px; cursor: pointer; font-size: 13px; border-bottom: 1px solid #f2f4f7; }
.ac-item:last-child { border-bottom: 0; }
.ac-item:hover, .ac-item.active { background: var(--accent-soft); }
.ac-item small { display: block; color: var(--muted); font-size: 11.5px; }

/* ---------------------------------------------------------- 结果区 */
.verdict {
  border-radius: var(--radius); padding: 18px 22px; border: 1px solid;
  display: flex; align-items: flex-start; gap: 16px;
}
.verdict.ok { background: var(--ok-soft); border-color: #bde9d2; }
.verdict.warn { background: var(--warn-soft); border-color: #f5ddb4; }
.verdict.danger { background: var(--danger-soft); border-color: #f8c9c9; }
.verdict-icon {
  width: 34px; height: 34px; border-radius: 10px; flex: 0 0 auto;
  display: grid; place-items: center; font-size: 17px; font-weight: 700;
  background: rgba(255, 255, 255, .75);
}
.verdict h3 { font-size: 16.5px; margin-bottom: 3px; }
.verdict p { margin: 0; font-size: 13px; color: var(--text-2); }

.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 16px 0; }
.kpi {
  background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 13px 15px;
}
.kpi-label { font-size: 11.5px; color: var(--muted); margin-bottom: 5px; letter-spacing: .2px; }
.kpi-value { font-size: 21px; font-weight: 650; letter-spacing: -.4px; font-variant-numeric: tabular-nums; }
.kpi-value small { font-size: 12px; font-weight: 500; color: var(--muted); margin-left: 3px; }
.kpi-sub { font-size: 11.5px; color: var(--muted); margin-top: 3px; }
.kpi-value.pos { color: var(--ok); }
.kpi-value.neg { color: var(--danger); }

.block { margin-top: 22px; }
.block > h3 {
  font-size: 13.5px; display: flex; align-items: center; gap: 8px; margin-bottom: 12px;
  color: var(--text);
}
.block > h3::before {
  content: ''; width: 3px; height: 14px; border-radius: 2px; background: var(--accent);
}
.block > h3 .tail { font-weight: 400; font-size: 12px; color: var(--muted); margin-left: auto; }

/* 能耗拆解 */
.breakdown { display: flex; flex-direction: column; gap: 9px; }
.bd-row { display: grid; grid-template-columns: 148px 1fr 84px; align-items: center; gap: 12px; }
.bd-label { font-size: 12.5px; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bd-track { height: 9px; background: var(--bg-soft); border-radius: 5px; overflow: hidden; position: relative; }
.bd-fill { height: 100%; border-radius: 5px; transition: width .5s cubic-bezier(.2,.8,.2,1); }
.bd-value { font-size: 12.5px; font-family: var(--mono); text-align: right; font-variant-numeric: tabular-nums; }
.bd-note { grid-column: 2 / 4; font-size: 11.5px; color: var(--muted); margin-top: -4px; }
.bd-row.total { border-top: 1px dashed var(--border-strong); padding-top: 10px; margin-top: 3px; }
.bd-row.total .bd-label, .bd-row.total .bd-value { font-weight: 650; color: var(--text); }

/* 海拔剖面 */
.profile-wrap { background: #fbfcfe; border: 1px solid var(--border); border-radius: 12px; padding: 12px 8px 4px; }
.profile-svg { width: 100%; height: auto; display: block; }
.profile-legend {
  display: flex; flex-wrap: wrap; gap: 14px; padding: 6px 14px 10px;
  font-size: 11.5px; color: var(--muted);
}
.profile-legend i {
  display: inline-block; width: 10px; height: 10px; border-radius: 3px;
  margin-right: 5px; vertical-align: -1px;
}

/* 天气 */
.weather-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(112px, 1fr)); gap: 10px; }
.wx {
  background: #fbfcfe; border: 1px solid var(--border); border-radius: 11px;
  padding: 10px 12px; text-align: center;
}
.wx-km { font-size: 11px; color: var(--muted); font-family: var(--mono); }
.wx-temp { font-size: 19px; font-weight: 650; font-variant-numeric: tabular-nums; letter-spacing: -.3px; }
.wx-text { font-size: 11.5px; color: var(--text-2); }
.wx-ele { font-size: 10.5px; color: var(--muted); margin-top: 2px; font-family: var(--mono); }
.wx.severe { border-color: #f3c7c7; background: var(--danger-soft); }

/* 时间线 */
.timeline { position: relative; padding-left: 22px; }
.timeline::before {
  content: ''; position: absolute; left: 6px; top: 6px; bottom: 6px;
  width: 2px; background: var(--border-strong); border-radius: 2px;
}
.tl-item { position: relative; padding: 0 0 16px 0; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute; left: -22px; top: 4px; width: 12px; height: 12px;
  border-radius: 50%; background: #fff; border: 2.5px solid var(--border-strong);
}
.tl-item.charge .tl-dot { border-color: var(--accent); }
.tl-item.rest .tl-dot { border-color: var(--ok); }
.tl-item.end .tl-dot { border-color: var(--text); }
.tl-head { display: flex; align-items: baseline; gap: 9px; flex-wrap: wrap; }
.tl-title { font-size: 13.5px; font-weight: 600; }
.tl-time { font-size: 11.5px; color: var(--muted); font-family: var(--mono); }
.tl-desc { font-size: 12.5px; color: var(--text-2); }
.tl-pill {
  font-size: 11px; padding: 1.5px 8px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent-dark); font-weight: 550;
}
.tl-pill.rest { background: var(--ok-soft); color: var(--ok); }
.tl-pill.swap-pill { background: var(--ok-soft); color: var(--ok); }
.swap-hint { color: var(--ok); }
.swap-hint::before { content: '⚡ '; }

/* 小节下面的一句说明（补能策略等） */
.block-note {
  margin: -6px 0 12px; font-size: 12.5px; color: var(--text-2);
}

/* 提示 */
.warns { display: flex; flex-direction: column; gap: 8px; }
.warn-item {
  display: flex; gap: 10px; align-items: flex-start; font-size: 12.8px;
  border: 1px solid; border-radius: 10px; padding: 9px 12px; line-height: 1.6;
}
.warn-item .wi-icon { flex: 0 0 auto; font-weight: 700; font-size: 13px; }
.warn-item.danger { background: var(--danger-soft); border-color: #f6cccc; color: #8a1c1c; }
.warn-item.warn { background: var(--warn-soft); border-color: #f4dcb2; color: #7a4a06; }
.warn-item.info { background: #f3f7ff; border-color: #d8e4fb; color: #2b4a86; }

/* 情景表 */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 11px; }
table { border-collapse: collapse; width: 100%; font-size: 12.5px; }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { background: var(--bg-soft); font-weight: 600; color: var(--text-2); font-size: 11.5px; }
tbody tr:last-child td { border-bottom: 0; }
td.num { font-family: var(--mono); font-variant-numeric: tabular-nums; text-align: right; }
td.hl { font-weight: 650; color: var(--accent); }

/* 对比表：9 列在 940px 主栏里会被横向裁掉，用户看不到最后一列。
   合并到 7 列 + 允许换行，让它完整落在一屏里。 */
table.cmp th, table.cmp td { padding: 8px 10px; white-space: normal; font-size: 12px; }
table.cmp td:first-child { min-width: 132px; }

/* 结果工具条 */
.result-tools {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border);
}
.result-tools .spacer { flex: 1; }
.result-tools .tool-note { font-size: 11.5px; color: var(--muted); }
.result-tools .tool-note.ok { color: var(--ok); }

/* 对比表里标出当前这台车 */
tr.is-current td { background: var(--accent-soft); }
tr.is-current td:first-child::after {
  content: '本车'; margin-left: 6px; font-size: 10.5px; font-weight: 600;
  color: var(--accent); background: #fff; border: 1px solid #c9dbff;
  padding: 1px 6px; border-radius: 999px;
}
tr.is-miss td { color: var(--muted); }

/* 打印页眉：只在纸上出现 */
.print-head { display: none; }

/* ---------------------------------------------------------- 加载骨架 */
.loading { padding: 34px 0; text-align: center; color: var(--muted); font-size: 13px; }
.spinner {
  width: 26px; height: 26px; margin: 0 auto 12px;
  border: 2.5px solid var(--border-strong); border-top-color: var(--accent);
  border-radius: 50%; animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.prog { height: 4px; background: var(--bg-soft); border-radius: 2px; overflow: hidden; max-width: 320px; margin: 12px auto 0; }
.prog-bar { height: 100%; background: var(--accent); width: 0; transition: width .35s ease; }
.steps-list { font-size: 12px; color: var(--muted); margin-top: 10px; font-family: var(--mono); }

/* ---------------------------------------------------------- 对话 */
.chat-card { display: flex; flex-direction: column; max-height: calc(100vh - 96px); padding: 18px 18px 16px; }
.chat-model {
  font-size: 11.5px; color: var(--muted); font-family: var(--mono);
  margin: -8px 0 12px; padding-bottom: 10px; border-bottom: 1px solid var(--border);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.chat-log { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 13px; padding-right: 4px; margin-bottom: 12px; }
.chat-log::-webkit-scrollbar { width: 6px; }
.chat-log::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }

.msg { display: flex; }
.msg-user { justify-content: flex-end; }
.msg-body {
  font-size: 13px; line-height: 1.72; border-radius: 12px; padding: 10px 13px;
  max-width: 100%; overflow-wrap: anywhere;
}
.msg-assistant .msg-body { background: var(--bg-soft); color: var(--text); border: 1px solid var(--border); }
.msg-user .msg-body { background: var(--accent); color: #fff; max-width: 88%; }
.msg-error .msg-body { background: var(--danger-soft); border-color: #f6cccc; color: #8a1c1c; font-size: 12.5px; }

.msg-body h1, .msg-body h2, .msg-body h3, .msg-body h4 { font-size: 13.5px; margin: 10px 0 5px; }
.msg-body p { margin: 6px 0; }
.msg-body ul, .msg-body ol { margin: 6px 0; padding-left: 19px; }
.msg-body li { margin: 3px 0; }
.msg-body table { margin: 8px 0; font-size: 12px; }
.msg-body table th, .msg-body table td { padding: 5px 8px; white-space: normal; }
.msg-body code { font-size: 11.5px; }
.msg-body hr { border: 0; border-top: 1px solid var(--border-strong); margin: 10px 0; }
.msg-body strong { font-weight: 650; }

.chips { display: flex; flex-direction: column; gap: 6px; margin-top: 9px; }
.chip {
  text-align: left; font-family: inherit; font-size: 12px; line-height: 1.5;
  background: #fff; border: 1px solid var(--border-strong); color: var(--text-2);
  border-radius: 9px; padding: 7px 10px; cursor: pointer; transition: border-color .14s, background .14s;
}
.chip:hover { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-dark); }

.tool-trace { width: 100%; }
/* 带工具轨迹的消息：轨迹整宽堆在气泡下方，别跟气泡挤一行 */
.msg-stacked { flex-direction: column; align-items: stretch; }
.msg-stacked .msg-body { max-width: 100%; }
.tool-trace {
  font-size: 11.5px; color: var(--muted); background: #fbfcfe;
  border: 1px dashed var(--border-strong); border-radius: 9px; padding: 7px 10px;
  font-family: var(--mono); line-height: 1.7; margin: 2px 0;
}
.tool-trace .tt-ok { color: var(--ok); }
.tool-trace .tt-err { color: var(--danger); }

.typing { display: inline-flex; gap: 3px; align-items: center; }
.typing i {
  width: 5px; height: 5px; border-radius: 50%; background: var(--muted);
  animation: blink 1.2s infinite;
}
.typing i:nth-child(2) { animation-delay: .18s; }
.typing i:nth-child(3) { animation-delay: .36s; }
@keyframes blink { 0%, 60%, 100% { opacity: .25; } 30% { opacity: 1; } }

.chat-input { display: flex; gap: 8px; align-items: flex-end; }
.chat-input textarea { resize: none; font-size: 13px; line-height: 1.55; max-height: 120px; }
.chat-note { font-size: 11px; color: var(--muted); margin-top: 9px; text-align: center; }

/* ---------------------------------------------------------- 原理 */
.how-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 22px; }
.how-item h4 { font-size: 13px; margin-bottom: 6px; color: var(--accent-dark); }
.how-item p { margin: 0; font-size: 12.8px; color: var(--text-2); line-height: 1.75; }
.how-item b { color: var(--text); font-weight: 600; }
.how-foot {
  margin: 18px 0 0; padding-top: 15px; border-top: 1px solid var(--border);
  font-size: 12px; color: var(--muted); line-height: 1.75;
}

/* ---------------------------------------------------------- 弹窗 */
.modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; }
.modal-mask { position: absolute; inset: 0; background: rgba(16, 20, 27, .42); backdrop-filter: blur(2px); }
.modal-box {
  position: relative; background: #fff; border-radius: 16px; width: min(560px, 100%);
  max-height: 88vh; overflow-y: auto; box-shadow: 0 24px 60px -18px rgba(16, 20, 27, .4);
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border); position: sticky; top: 0;
  background: #fff; border-radius: 16px 16px 0 0;
}
.modal-head h3 { font-size: 15px; }
.modal-body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 13px; }
.modal-note {
  margin: 0; font-size: 12px; color: var(--text-2); line-height: 1.7;
  background: var(--accent-soft); border: 1px solid #d9e4ff; border-radius: 10px; padding: 10px 13px;
}
.preset-row { display: flex; flex-wrap: wrap; gap: 6px; }
.preset {
  font-family: inherit; font-size: 12px; padding: 5px 11px; border-radius: 999px;
  border: 1px solid var(--border-strong); background: #fff; color: var(--text-2); cursor: pointer;
}
.preset:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 4px; }
.test-result { font-size: 12.5px; line-height: 1.65; }
.test-result.ok { color: var(--ok); }
.test-result.err { color: var(--danger); }
.adv { border-top: 1px solid var(--border); padding-top: 12px; }
.adv > .field { margin-top: 11px; }

/* ---------------------------------------------------------- 页脚 */
.foot {
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  margin-top: 46px; padding-top: 20px; border-top: 1px solid var(--border);
  font-size: 11.5px; color: var(--muted);
}
.foot-links { display: flex; gap: 14px; }

/* ---------------------------------------------------------- 响应式 */
@media (max-width: 1100px) {
  .layout { grid-template-columns: 1fr; }
  .col-side { position: static; }
  .chat-card { max-height: 620px; }
}
@media (max-width: 760px) {
  main { padding: 0 14px 40px; }
  .nav-inner { padding: 9px 14px; }
  .nav-links a { display: none; }
  .hero { padding: 30px 0 18px; }
  .hero h1 { font-size: 25px; }
  .hero-sub { font-size: 14px; }
  .card { padding: 16px 15px; }
  .form-grid { grid-template-columns: 1fr; }
  .span2 { grid-column: span 1; }
  .custom-grid { grid-template-columns: 1fr 1fr; }
  .kpis { grid-template-columns: 1fr 1fr; }
  .how-grid { grid-template-columns: 1fr; }
  .bd-row { grid-template-columns: 108px 1fr 72px; gap: 8px; }
  .bd-label { font-size: 11.5px; }
  .brand-text em { display: none; }
}

@media print {
  /* 打印时只留「结果」，当成一份可交付的续航单页报告 */
  @page { margin: 14mm 12mm; }

  html, body { background: #fff; }
  body { font-size: 12px; }

  .nav, .col-side, .foot, .badges, #panel-form, #how, .result-tools,
  .chat-card, .hero { display: none !important; }

  /* 隐藏侧栏后要退出两栏网格，否则结果区只占一半宽度 */
  main { max-width: none; padding: 0; }
  .layout { display: block; margin-top: 0; }
  .col-main { gap: 0; }

  .card {
    box-shadow: none; border: 0; border-radius: 0;
    padding: 0; background: #fff;
  }

  /* 让底色和橙色爬坡线真的打出来 */
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }

  .print-head {
    display: block; margin-bottom: 14px; padding-bottom: 10px;
    border-bottom: 2px solid var(--text);
  }
  .print-head h1 { font-size: 17px; margin-bottom: 4px; }
  .print-head p { margin: 0; font-size: 11px; color: var(--text-2); line-height: 1.7; }

  /* 别让卡片/条目被切成两半；标题必须跟着它的内容走 */
  .verdict, .kpi, .block > h3, .wx, .tl-item, .warn-item, .profile-wrap {
    break-inside: avoid; page-break-inside: avoid;
  }
  .block > h3 { break-after: avoid; page-break-after: avoid; margin-bottom: 8px; }
  .block { margin-top: 14px; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kpi { padding: 9px 11px; }
  .kpi-value { font-size: 18px; }

  /* 表格：纸上不能横向滚动，只能让它自己缩小换行；表头跨页重复 */
  .table-wrap { overflow: visible !important; break-inside: auto; }
  table { font-size: 9.5px; }
  th, td { padding: 4px 5px; white-space: normal; }
  thead { display: table-header-group; }
  .bd-row { grid-template-columns: 104px 1fr 72px; }

  .profile-svg { height: auto; }
  /* 不要把 padding-left 改小：时间线圆点是按 -22px 定位的，改了会被裁掉 */
  .timeline { padding-left: 22px; }

  a[href^="http"]::after { content: ''; }  /* 别把 URL 印出来 */
}