.tactics-page {
  --tactics-tone: #ff7146;
  --tactics-cool: #55a7ff;
  --tactics-panel: color-mix(in srgb, var(--card-bg) 92%, var(--tactics-tone));
}

.tactics-hero,
.tactics-page-shell {
  width: min(var(--max-width), calc(100% - 40px));
  margin-inline: auto;
}

.tactics-hero {
  min-height: 520px;
  margin-top: 32px;
  display: grid;
  grid-template-columns: minmax(400px, .9fr) minmax(500px, 1.1fr);
  align-items: stretch;
  border: 1px solid var(--line);
  background: var(--card-bg);
}

.tactics-hero-copy {
  padding: clamp(34px, 4vw, 52px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.tactics-hero-copy .page-label,
.tactics-section .page-label {
  color: var(--tactics-tone);
}

.tactics-hero h1 {
  margin: 0;
  font-size: clamp(36px, 3.5vw, 48px);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -.02em;
}

.tactics-hero h1 span {
  display: block;
  white-space: nowrap;
}

.tactics-hero-copy > p:last-of-type {
  max-width: 660px;
  margin-top: 20px;
  font-size: 16px;
}

.tactics-internal-badge {
  width: fit-content;
  margin-top: 22px;
  padding: 7px 11px;
  border: 1px solid color-mix(in srgb, var(--tactics-tone) 52%, var(--line));
  background: color-mix(in srgb, var(--tactics-tone) 8%, var(--card-bg));
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.tactics-internal-badge i { color: var(--tactics-tone); font-size: 17px; }

.tactics-hero-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.tactics-hero-link,
.tactics-primary-link {
  min-height: 44px;
  padding: 8px 16px;
  border: 1px solid var(--tactics-tone);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 500;
  transition: background .18s, color .18s, transform .18s;
}

.tactics-hero-link:hover,
.tactics-hero-link:focus-visible,
.tactics-primary-link:hover,
.tactics-primary-link:focus-visible {
  background: var(--tactics-tone);
  color: #111;
  transform: translateY(-2px);
}

.tactics-hero-link i { color: var(--tactics-tone); }

.tactics-hero-link:hover i,
.tactics-hero-link:focus-visible i { color: #111; }

.tactics-hero-media {
  position: relative;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  background: #0b0c12;
}

.tactics-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8, 9, 14, .28), transparent 44%), linear-gradient(0deg, rgba(8, 9, 14, .72), transparent 38%);
  pointer-events: none;
}

.tactics-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 54% center;
}

.tactics-hero-media figcaption {
  position: absolute;
  z-index: 1;
  left: 26px;
  right: 26px;
  bottom: 22px;
  color: #fff;
}

.tactics-hero-media figcaption span,
.tactics-evidence-card figcaption span,
.tactics-role-paths article > span {
  display: block;
  color: var(--tactics-tone);
  font-family: "Inter", "Noto Sans SC", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
}

.tactics-hero-media figcaption strong {
  display: block;
  margin-top: 4px;
  font-size: 19px;
  font-weight: 500;
}

.tactics-page-shell {
  position: relative;
  margin-top: 32px;
}

.tactics-section-nav {
  position: fixed;
  top: 50%;
  left: max(16px, calc((100vw - var(--max-width)) / 2 - 192px));
  z-index: 18;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  width: 164px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--tactics-tone) 30%, var(--line));
  background: color-mix(in srgb, var(--card-bg) 96%, transparent);
  box-shadow: 0 18px 52px rgba(0, 0, 0, .16);
  backdrop-filter: blur(14px);
  transform: translateY(-42%);
}

.tactics-section-nav::before {
  content: "SECTION INDEX";
  display: block;
  padding: 10px 13px 8px;
  border-bottom: 1px solid var(--line);
  color: var(--tactics-tone);
  font: 700 9px/1.2 Arial, "Microsoft YaHei", sans-serif;
  letter-spacing: .14em;
}

.tactics-section-nav::after {
  position: absolute;
  top: -1px;
  right: -1px;
  width: 18px;
  height: 18px;
  content: "";
  border-left: 1px solid color-mix(in srgb, var(--tactics-tone) 30%, var(--line));
  border-bottom: 1px solid color-mix(in srgb, var(--tactics-tone) 30%, var(--line));
  background: linear-gradient(135deg, var(--bg) 49%, var(--surface) 50%);
  pointer-events: none;
}

.tactics-section-nav button {
  min-height: 50px;
  padding: 9px 12px;
  border: 0;
  border-top: 1px solid var(--line);
  background: transparent;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  text-align: left;
  cursor: pointer;
  transition: color .18s, background .18s;
}

.tactics-section-nav button:first-of-type { border-top: 0; }
.tactics-section-nav button:hover,
.tactics-section-nav button:focus-visible,
.tactics-section-nav button[aria-selected="true"] { color: var(--text); background: color-mix(in srgb, var(--tactics-tone) 8%, var(--surface)); }
.tactics-section-nav button[aria-selected="true"] { box-shadow: inset 3px 0 0 var(--tactics-tone); }
.tactics-section-nav button > i { width: 20px; color: var(--muted); font-size: 20px; text-align: center; }
.tactics-section-nav button[aria-selected="true"] > i { color: var(--tactics-tone); }
.tactics-section-nav span { color: var(--tactics-tone); font-family: "Inter", sans-serif; font-size: 12px; font-weight: 700; }

.tactics-panel-stage {
  width: 100%;
  min-width: 0;
}

.tactics-panel-stage > [data-tactics-panel="section"][hidden] {
  display: none !important;
}

.tactics-panel-stage > .tactics-section {
  width: 100%;
  min-height: 560px;
  margin: 0 0 64px;
  scroll-margin-top: 112px;
}

.tactics-section-heading {
  margin-bottom: 26px;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, .7fr);
  gap: 32px;
  align-items: end;
}

.tactics-section-heading h2,
.tactics-cta h2 {
  margin: 0;
  font-size: clamp(30px, 3.35vw, 42px);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -.025em;
}

.tactics-section-heading > p {
  font-size: 15px;
}

.tactics-pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.tactics-pillar-grid article {
  position: relative;
  min-height: 235px;
  padding: 24px;
  background: var(--card-bg);
  display: flex;
  flex-direction: column;
}

.tactics-pillar-grid article > span {
  color: var(--tactics-tone);
  font-family: "Inter", sans-serif;
  font-size: 12px;
  font-weight: 700;
}

.tactics-pillar-grid article > i {
  position: absolute;
  top: 24px;
  right: 26px;
  color: var(--tactics-tone);
  font-size: 28px;
}

.tactics-pillar-grid h3,
.tactics-training-stages h3,
.tactics-growth-grid h3,
.tactics-role-paths h3 {
  margin: 30px 0 8px;
  font-size: 21px;
  font-weight: 500;
  line-height: 1.25;
}

.tactics-pillar-grid small {
  margin-top: auto;
  padding-top: 16px;
  color: var(--tactics-tone);
  letter-spacing: .08em;
}

.tactics-loop-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border: 1px solid var(--line);
}

.tactics-loop-steps li {
  min-height: 150px;
  padding: 18px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tactics-loop-steps li:last-child { border-right: 0; }
.tactics-loop-steps li > span { color: var(--tactics-tone); font-family: "Inter", sans-serif; font-size: 12px; font-weight: 700; }
.tactics-loop-steps strong { display: block; margin-bottom: 6px; font-size: 19px; font-weight: 500; }
.tactics-loop-steps p { font-size: 14px; line-height: 1.65; }

.tactics-evidence-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 22px;
}

.tactics-evidence-card {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--card-bg);
  display: grid;
  grid-template-rows: minmax(260px, 1fr) auto;
  overflow: hidden;
}

.tactics-evidence-card img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  background: #090a0d;
}

.tactics-evidence-card--wide img { object-fit: contain; object-position: center; }
.tactics-evidence-card figcaption { padding: 20px 22px 22px; }
.tactics-evidence-card figcaption strong { display: block; margin-top: 7px; color: var(--text); font-size: 18px; font-weight: 500; }
.tactics-evidence-card figcaption p { margin-top: 8px; font-size: 14px; }

.tactics-decision-strip {
  margin-top: 22px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  background: var(--tactics-panel);
  display: flex;
  align-items: center;
  gap: 14px;
  overflow-x: auto;
  white-space: nowrap;
}

.tactics-decision-strip span { margin-right: auto; color: var(--tactics-tone); font-size: 13px; letter-spacing: .08em; }
.tactics-decision-strip strong { font-size: 15px; font-weight: 500; }
.tactics-decision-strip i { color: var(--tactics-tone); }

.tactics-training-layout {
  display: grid;
  grid-template-columns: minmax(400px, .95fr) minmax(480px, 1.05fr);
  gap: 22px;
}

.tactics-training-stages {
  border: 1px solid var(--line);
  background: var(--line);
  display: grid;
  gap: 1px;
}

.tactics-training-stages article {
  padding: 20px 24px;
  background: var(--card-bg);
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 18px;
}

.tactics-training-stages article > span {
  color: var(--tactics-tone);
  font-family: "Inter", sans-serif;
  font-size: 13px;
  font-weight: 700;
}

.tactics-training-stages small { color: var(--tactics-tone); letter-spacing: .12em; }
.tactics-training-stages h3 { margin: 2px 0 7px; font-size: 22px; }
.tactics-training-stages p { font-size: 14px; }

.tactics-training-media {
  display: grid;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.tactics-training-media figure {
  position: relative;
  min-height: 260px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #0a0b0e;
}

.tactics-training-media img { width: 100%; height: 100%; object-fit: cover; }
.tactics-training-media figure:last-child img { object-position: center 42%; }
.tactics-training-media figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 40px 22px 18px;
  background: linear-gradient(transparent, rgba(5, 6, 9, .88));
  color: #fff;
  font-size: 14px;
}

.tactics-growth-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.tactics-growth-grid article {
  min-height: 205px;
  padding: 24px;
  background: var(--card-bg);
}

.tactics-growth-grid i { color: var(--tactics-tone); font-size: 32px; }
.tactics-growth-grid h3 { margin: 18px 0 8px; font-size: 20px; }

.tactics-role-paths {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.tactics-role-paths article {
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--tactics-panel);
}

.tactics-role-paths h3 { margin: 8px 0; font-size: 25px; }
.tactics-role-paths ul { margin: 22px 0 0; padding: 18px 0 0; border-top: 1px solid var(--line); list-style: none; display: flex; flex-wrap: wrap; gap: 9px; }
.tactics-role-paths li { padding: 6px 10px; border: 1px solid color-mix(in srgb, var(--tactics-tone) 42%, var(--line)); color: var(--text); font-size: 13px; }

.tactics-interface { margin-top: 72px; }

.tactics-interface-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  border: 1px solid var(--line);
  background: var(--card-bg);
}

.tactics-interface-flow > div {
  min-height: 150px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.tactics-interface-flow > div > i { color: var(--tactics-tone); font-size: 34px; }
.tactics-interface-flow > div > strong { margin-top: 12px; font-size: 22px; font-weight: 500; }
.tactics-interface-flow > div > small { margin-top: 5px; color: var(--muted); }
.tactics-interface-flow > i { color: var(--tactics-tone); font-size: 24px; }

.tactics-cta {
  margin-top: 22px;
  padding: clamp(30px, 4vw, 48px);
  border: 1px solid var(--tactics-tone);
  background: linear-gradient(125deg, color-mix(in srgb, var(--tactics-tone) 12%, var(--card-bg)), var(--card-bg) 58%);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 38px;
  align-items: center;
}

.tactics-cta h2 { max-width: 820px; font-size: clamp(30px, 3.5vw, 44px); }
.tactics-cta p:last-child { max-width: 760px; margin-top: 16px; }

@media (max-width: 1120px) {
  .tactics-hero { grid-template-columns: 1fr; }
  .tactics-hero-media { min-height: 430px; }
  .tactics-section-heading { grid-template-columns: 1fr; gap: 16px; }
  .tactics-pillar-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tactics-loop-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .tactics-loop-steps li:nth-child(3) { border-right: 0; }
  .tactics-loop-steps li:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .tactics-training-layout { grid-template-columns: 1fr; }
}

@media (max-width: 1380px) {
  .tactics-section-nav {
    position: sticky;
    top: 82px;
    left: auto;
    z-index: 8;
    grid-template-columns: none;
    grid-auto-columns: max-content;
    grid-auto-flow: column;
    width: 100%;
    overflow-x: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .08);
    transform: none;
  }

  .tactics-section-nav::before,
  .tactics-section-nav::after { display: none; }

  .tactics-section-nav button {
    min-width: 154px;
    min-height: 52px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .tactics-section-nav button:first-of-type { border-left: 0; }
  .tactics-section-nav button[aria-selected="true"] { box-shadow: inset 0 -3px 0 var(--tactics-tone); }
  .tactics-panel-stage { margin-top: 28px; }
}

@media (max-width: 860px) {
  .tactics-hero,
  .tactics-page-shell { width: calc(100% - 28px); }
  .tactics-hero { min-height: 0; margin-top: 24px; }
  .tactics-hero-copy { padding: 34px 24px 38px; }
  .tactics-hero h1 { font-size: clamp(34px, 10vw, 44px); }
  .tactics-hero-copy > p:last-of-type { font-size: 16px; }
  .tactics-hero-media { min-height: 410px; }
  .tactics-hero-media figcaption { left: 20px; right: 20px; bottom: 18px; }
  .tactics-section-nav { top: 72px; }
  .tactics-panel-stage > .tactics-section { min-height: 0; margin-bottom: 48px; scroll-margin-top: 136px; }
  .tactics-pillar-grid,
  .tactics-growth-grid,
  .tactics-role-paths,
  .tactics-evidence-grid { grid-template-columns: 1fr; }
  .tactics-loop-steps { grid-template-columns: 1fr; }
  .tactics-loop-steps li { min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .tactics-loop-steps li:last-child { border-bottom: 0; }
  .tactics-evidence-card { grid-template-rows: minmax(220px, auto) auto; }
  .tactics-evidence-card img { min-height: 220px; }
  .tactics-training-media figure { min-height: 230px; }
  .tactics-interface-flow { grid-template-columns: 1fr; }
  .tactics-interface-flow > div { min-height: 150px; }
  .tactics-interface-flow > i { transform: rotate(90deg); justify-self: center; }
  .tactics-cta { grid-template-columns: 1fr; padding: 34px 24px; }
  .tactics-cta .tactics-primary-link { justify-self: start; }
}

@media (max-width: 520px) {
  .tactics-pillar-grid { grid-template-columns: 1fr; }
  .tactics-pillar-grid article { min-height: 250px; }
  .tactics-decision-strip { padding: 18px; }
  .tactics-training-stages article { grid-template-columns: 30px 1fr; padding: 22px 20px; }
}