/* ============================================================
   AI 产品探索 · 样式
   手机优先 · 单列居中 · 秋日暖色调 · 对标 iOS 的克制感
   ============================================================ */

:root {
  --bg: #FAF6F1;
  --bg-2: #F3EBE0;
  --card: #FFFFFF;

  --ink: #2A241E;
  --ink-2: #6B6157;
  --ink-3: #A79C8E;

  --line: #EDE4D9;
  --line-2: #DFD2C2;

  --accent: #B96B45;
  --accent-deep: #8C4A2F;
  --gold: #D9A05B;
  --accent-soft: #F7EADE;

  --s0: #C4B9AB;
  --s1: #D9A05B;
  --s2: #C07A4E;
  --s3: #8C4A2F;

  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 2px 14px rgba(80, 58, 40, 0.05);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
}

button {
  font: inherit;
  color: inherit;
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
}

textarea,
select {
  font: inherit;
  color: inherit;
}

/* ---------- 外壳 ---------- */

.app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100dvh;
  padding: calc(env(safe-area-inset-top) + 18px) 22px
    calc(env(safe-area-inset-bottom) + 40px);
}

.page {
  animation: page-in 0.24s ease both;
}

@keyframes page-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 顶部导航 ---------- */

.nav {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 34px;
  margin-bottom: 20px;
}

.back {
  width: 34px;
  height: 34px;
  margin-left: -8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: var(--ink-2);
  transition: background 0.12s ease;
}

.back:active {
  background: var(--bg-2);
}

.nav-title {
  font-size: 14px;
  color: var(--ink-3);
  letter-spacing: 0.02em;
}

/* ---------- 首页 ---------- */

.hero {
  padding: 26px 0 30px;
}

.eyebrow {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.h1 {
  margin: 10px 0 0;
  font-size: 30px;
  line-height: 1.28;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.lede {
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--ink-2);
}

.progress-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}

.progress-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 13px;
  color: var(--ink-2);
}

.progress-head .num {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.progress-track {
  height: 6px;
  margin: 12px 0 14px;
  background: var(--bg-2);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold), var(--accent));
  transition: width 0.4s ease;
}

.progress-foot {
  display: flex;
  gap: 18px;
  font-size: 12px;
  color: var(--ink-3);
}

.progress-foot b {
  font-weight: 600;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}

.entries {
  margin-top: 30px;
}

.entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  transition: transform 0.12s ease;
  margin-bottom: 14px;
}

.entry:active {
  transform: scale(0.985);
}

.entry-title {
  display: block;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.entry-sub {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  color: var(--ink-3);
}

.entry-arrow {
  color: var(--line-2);
  flex: 0 0 auto;
}

.next-card {
  display: block;
  margin-top: 26px;
  padding: 18px 20px;
  border-radius: var(--radius);
  background: var(--accent-soft);
  text-decoration: none;
  color: var(--accent-deep);
}

.next-label {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.7;
}

.next-title {
  margin-top: 6px;
  font-size: 16px;
  font-weight: 600;
}

.next-desc {
  margin-top: 2px;
  font-size: 13px;
  opacity: 0.8;
}

.foot-note {
  margin-top: 36px;
  text-align: center;
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}

/* ---------- 列表 / 地图 ---------- */

.hint {
  margin: -6px 0 22px;
  font-size: 13px;
  color: var(--ink-3);
}

.cluster {
  margin-bottom: 26px;
}

.cluster-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 10px;
  padding: 0 4px;
}

.cluster-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-deep);
  letter-spacing: 0.02em;
}

.cluster-note {
  font-size: 11px;
  color: var(--ink-3);
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.row {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 14px 16px;
  text-decoration: none;
  color: inherit;
  transition: background 0.12s ease;
}

.row:active {
  background: var(--bg);
}

.row + .row {
  border-top: 1px solid var(--line);
}

.num {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}

.num.lv1 {
  border-color: var(--s1);
  color: var(--s1);
}
.num.lv2 {
  border-color: var(--s2);
  color: var(--s2);
}
.num.lv3 {
  background: var(--s3);
  border-color: var(--s3);
  color: #fff;
}

.row-main {
  flex: 1 1 auto;
  min-width: 0;
}

.row-title {
  display: block;
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.row-title em {
  font-style: normal;
  font-size: 11px;
  color: var(--ink-3);
  margin-left: 6px;
  letter-spacing: 0.02em;
}

.row-desc {
  display: block;
  font-size: 12px;
  color: var(--ink-3);
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dots {
  display: flex;
  gap: 4px;
  flex: 0 0 auto;
}

.dots i {
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--line-2);
}

.dots i.on {
  background: var(--s2);
}

/* ---------- 概念详情 ---------- */

.cluster-tag {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent-deep);
  text-transform: uppercase;
}

.c-title {
  margin: 0;
  font-size: 27px;
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.c-en {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: 0.02em;
}

.c-desc {
  margin: 12px 0 0;
  font-size: 15px;
  color: var(--ink-2);
}

.chips {
  display: flex;
  gap: 8px;
  margin: 22px 0 26px;
}

.chip {
  flex: 1 1 0;
  text-align: center;
  padding: 9px 0;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  font-size: 13px;
  color: var(--ink-2);
  background: var(--card);
  transition: all 0.14s ease;
}

.chip.on {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 500;
}

.field {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 15px 17px 13px;
  margin-bottom: 11px;
  box-shadow: var(--shadow);
}

.field-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 12px;
  color: var(--ink-2);
  font-weight: 500;
}

.field-head small {
  font-size: 11px;
  font-weight: 400;
  color: var(--ink-3);
}

.field textarea {
  display: block;
  width: 100%;
  min-height: 40px;
  border: 0;
  background: transparent;
  resize: none;
  outline: none;
  font-size: 14px;
  line-height: 1.6;
  overflow: hidden;
}

.field-input-row {
  display: flex;
  gap: 6px;
  align-items: flex-start;
}

.field-input-row textarea {
  flex: 1 1 auto;
  margin-top: 0;
  min-width: 0;
}

.field-actions {
  flex: 0 0 auto;
  display: flex;
  gap: 4px;
  padding-top: 4px;
}

.action-btn {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: var(--ink-3);
  background: var(--bg-2);
  transition: all 0.15s ease;
  position: relative;
}

.action-btn:active {
  transform: scale(0.92);
}

.action-btn.mic-btn.recording {
  background: var(--accent);
  color: #fff;
}

.action-btn.ref-btn {
  color: var(--accent);
  background: var(--accent-soft);
}

.action-btn.ref-btn:active {
  background: #ead7c0;
}

.mic-dot {
  position: absolute;
  top: 5px;
  right: 5px;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #ff4d4f;
  animation: mic-pulse 1s ease-in-out infinite;
}

@keyframes mic-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.field textarea::placeholder {
  color: var(--ink-3);
  opacity: 0.75;
}

.field.quiet {
  background: transparent;
  border-style: dashed;
  box-shadow: none;
}

.saved {
  font-size: 11px;
  color: var(--s1);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.saved.show {
  opacity: 1;
}

.btn {
  display: block;
  width: 100%;
  padding: 15px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  text-align: center;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 18px rgba(185, 107, 69, 0.18);
}

.btn-primary:active {
  background: var(--accent-deep);
}

.btn-ghost {
  border: 1px solid var(--line-2);
  color: var(--accent-deep);
  background: var(--card);
}

.after {
  margin-top: 28px;
}

.after-title {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  text-transform: uppercase;
  margin-bottom: 10px;
}

/* ---------- 日历 ---------- */

.cal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.cal-month {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.cal-month span {
  font-size: 13px;
  font-weight: 400;
  color: var(--ink-3);
  margin-left: 6px;
}

.cal-nav {
  display: flex;
  gap: 6px;
}

.cal-nav button {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  color: var(--ink-2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cal-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 12px 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  row-gap: 2px;
}

.cal-wd {
  text-align: center;
  font-size: 11px;
  color: var(--ink-3);
  padding: 4px 0 8px;
}

.cal-day {
  position: relative;
  width: 100%;
  min-height: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
  border: none;
  background: transparent;
  padding: 0;
  cursor: pointer;
  transition: background 0.15s ease;
}

.cal-day.empty {
  visibility: hidden;
  pointer-events: none;
}

.cal-day.today {
  box-shadow: inset 0 0 0 1.5px var(--gold);
  color: var(--accent-deep);
  font-weight: 600;
}

.cal-day.has {
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-weight: 600;
}

.cal-day:active:not(.empty) {
  background: var(--bg-2);
}

.cal-day .cal-dot {
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: var(--accent);
}

.cal-foot {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  padding: 0 2px;
  font-size: 12px;
  color: var(--ink-3);
}

.cal-legend {
  display: flex;
  align-items: center;
  gap: 6px;
}

.cal-legend i {
  width: 8px;
  height: 8px;
  border-radius: 3px;
  background: var(--accent-soft);
  border: 1px solid var(--line-2);
}

/* ---------- 单日详情 ---------- */

.day-title {
  margin: 0;
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.day-sub {
  margin: 8px 0 24px;
  font-size: 13px;
  color: var(--ink-3);
}

.session {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 17px;
  margin-bottom: 11px;
  box-shadow: var(--shadow);
}

.session-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.session-title {
  font-size: 15px;
  font-weight: 600;
}

.session-title em {
  font-style: normal;
  font-size: 11px;
  color: var(--ink-3);
  margin-left: 6px;
}

.session .del {
  font-size: 12px;
  color: var(--ink-3);
  padding: 4px 2px;
}

.session textarea {
  display: block;
  width: 100%;
  min-height: 42px;
  border: 0;
  background: transparent;
  resize: none;
  outline: none;
  font-size: 14px;
  line-height: 1.6;
  overflow: hidden;
  color: var(--ink-2);
}

.session .field-input-row {
  margin-top: 4px;
}

.session .field-input-row textarea {
  color: var(--ink-2);
}

.session textarea::placeholder {
  color: var(--ink-3);
  opacity: 0.75;
}

.empty {
  text-align: center;
  padding: 46px 20px;
  color: var(--ink-3);
  font-size: 13px;
}

.empty b {
  display: block;
  font-size: 15px;
  color: var(--ink-2);
  font-weight: 500;
  margin-bottom: 6px;
}

/* ---------- 弹层 ---------- */

.sheet-layer {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: rgba(42, 36, 30, 0.34);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
}

.sheet-layer[hidden] {
  display: none;
}

.sheet {
  width: 100%;
  max-width: 480px;
  background: var(--bg);
  border-radius: 24px 24px 0 0;
  padding: 22px 22px calc(env(safe-area-inset-bottom) + 22px);
  animation: sheet-up 0.26s cubic-bezier(0.22, 0.8, 0.3, 1) both;
}

@keyframes sheet-up {
  from {
    transform: translateY(100%);
  }
  to {
    transform: none;
  }
}

.sheet-title {
  margin: 0 0 16px;
  font-size: 17px;
  font-weight: 600;
}

.sheet-label {
  display: block;
  font-size: 12px;
  color: var(--ink-3);
  margin-bottom: 7px;
}

.sheet select {
  width: 100%;
  padding: 13px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-2);
  background: var(--card);
  font-size: 15px;
  appearance: none;
  -webkit-appearance: none;
  margin-bottom: 16px;
}

.sheet textarea {
  width: 100%;
  min-height: 84px;
  padding: 13px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-2);
  background: var(--card);
  font-size: 15px;
  line-height: 1.6;
  resize: none;
  outline: none;
  margin-bottom: 18px;
}

.sheet-actions {
  display: flex;
  gap: 10px;
}

.sheet-actions .btn {
  flex: 1 1 0;
}

/* ---------- 参考理解弹层 ---------- */

.ref-sheet {
  max-height: 82vh;
  overflow-y: auto;
}

.ref-compare {
  display: flex;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 14px;
}

.ref-col {
  flex: 1 1 0;
  min-width: 0;
}

.ref-col-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-2);
  margin-bottom: 6px;
}

.ref-col-body {
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-2);
  word-break: break-word;
}

.ref-col-body.user-val {
  color: var(--accent-deep);
}

.ref-col-body.ref-val {
  color: var(--ink-2);
}

.ref-col-divider {
  width: 1px;
  background: var(--line);
  margin: 0 2px;
}

.ref-tip {
  font-size: 12px;
  color: var(--ink-3);
  text-align: center;
  margin: 0 0 16px;
  padding: 0 10px;
}

/* ---------- Toast ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(env(safe-area-inset-bottom) + 28px);
  transform: translate(-50%, 14px);
  background: rgba(42, 36, 30, 0.92);
  color: #fff;
  font-size: 13px;
  padding: 9px 18px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 80;
  white-space: nowrap;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- 欢迎页 ---------- */

.welcome-page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.welcome-inner {
  max-width: 360px;
  padding: 40px 20px;
  width: 100%;
}

.welcome-eyebrow {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.welcome-h1 {
  margin: 16px 0 0;
  font-size: 38px;
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.welcome-sub {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.6;
}

.welcome-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin: 24px 0 36px;
}

.welcome-tags span {
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-deep);
}

.welcome-enter {
  width: 100%;
  padding: 16px;
  font-size: 16px;
}

.welcome-foot {
  margin-top: 40px;
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}

/* ---------- 每日报告 ---------- */

.report-block {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

.report-concept-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
}

.report-concept-title em {
  font-style: normal;
  font-size: 11px;
  color: var(--ink-3);
  margin-left: 6px;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.report-section {
  margin-bottom: 10px;
  padding: 10px 12px;
  background: var(--bg);
  border-radius: var(--radius-sm);
}

.report-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-3);
  margin-bottom: 4px;
}

.report-body {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-word;
}

.report-meta {
  border-top: 1px dashed var(--line);
  padding-top: 12px;
  margin-top: 8px;
}

.report-meta-row {
  margin-bottom: 10px;
}

.report-meta-row:last-child {
  margin-bottom: 0;
}

.report-meta-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--accent-deep);
  margin-bottom: 3px;
  letter-spacing: 0.02em;
}

.report-meta-body {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-2);
}

.tag {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--bg-2);
  color: var(--ink-3);
  margin: 2px 3px 2px 0;
}

.report-export {
  margin-top: 16px;
}

/* ---------- 一手来源清单 ---------- */

.source-group {
  margin-bottom: 24px;
}

.source-group-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 2px;
}

.source-group-desc {
  font-size: 12px;
  color: var(--ink-3);
  margin-bottom: 10px;
}

.source-list {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.source-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  text-decoration: none;
  color: inherit;
  transition: background 0.12s ease;
}

.source-item + .source-item {
  border-top: 1px solid var(--line);
}

.source-item:active {
  background: var(--bg);
}

.source-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  flex: 0 0 auto;
  white-space: nowrap;
}

.source-note {
  font-size: 12px;
  color: var(--ink-3);
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.source-arrow {
  flex: 0 0 auto;
  color: var(--line-2);
}

.source-caution {
  margin-top: 12px;
  padding: 14px;
  background: #FFF9F3;
  border: 1px solid #F0D9BE;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: #8C4A2F;
  line-height: 1.6;
}

/* ---------- 技术栈学习 ---------- */

.tech-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}

.tech-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 14px;
}

.tech-title {
  font-size: 17px;
  font-weight: 600;
}

.tech-desc {
  font-size: 12px;
  color: var(--ink-3);
  margin-top: 3px;
}

.tech-path {
  margin-bottom: 12px;
}

.tech-path-title {
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-3);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.tech-path-item {
  display: flex;
  gap: 10px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-2);
}

.tech-num {
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: var(--bg-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--ink-3);
  font-weight: 600;
}

.tech-resources {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-top: 1px dashed var(--line);
  padding-top: 12px;
}

.tech-res {
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  color: var(--accent-deep);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: background 0.12s ease;
}

.tech-res:active {
  background: var(--accent-soft);
}

.tech-note {
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-top: 24px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--accent-deep);
}

.tech-note strong {
  display: block;
  margin-bottom: 6px;
}

.tech-note p {
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}