:root {
  --ink: #1b1533;
  --ink-soft: #3a2f5a;
  --steel: #5c5372;
  --chalk: #efe8ff;
  --paper: #fbf9ff;
  --white: #ffffff;
  --signal: #c9a227;
  --signal-deep: #a67c00;
  /* “通”的主视觉：紫色（协同/交互的脉络感） */
  --jade: #6d28d9;
  --jade-glow: rgba(109, 40, 217, 0.24);
  --line: rgba(18, 26, 36, 0.12);
  --line-strong: rgba(18, 26, 36, 0.22);
  --shadow: 0 18px 40px rgba(18, 26, 36, 0.12);
  --font-display: "Noto Serif SC", "Songti SC", serif;
  --font-brand: "Space Grotesk", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", sans-serif;
  --wrap: min(1120px, calc(100% - 2.5rem));
  --nav-h: 4rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.wrap {
  width: var(--wrap);
  margin-inline: auto;
}

/* —— Nav —— */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  height: var(--nav-h);
  transition: background 0.35s var(--ease), backdrop-filter 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.nav.is-solid {
  background: rgba(242, 245, 248, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--line);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-brand {
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-decoration: none !important;
}

.nav-links {
  display: flex;
  gap: 1.1rem;
  margin-left: 0.5rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-end {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.55);
}

.lang-switch button {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 0.28rem 0.55rem;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--steel);
  cursor: pointer;
}

.lang-switch button.is-active {
  background: var(--ink);
  color: var(--white);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none !important;
}

.nav-cta:hover {
  background: var(--ink-soft);
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  padding: calc(var(--nav-h) + 2rem) 0 5rem;
  color: var(--white);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 55% 40%;
  transform: scale(1.04);
  animation: hero-drift 18s var(--ease) infinite alternate;
}

@keyframes hero-drift {
  from {
    transform: scale(1.04) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.08) translate3d(-1.5%, -1%, 0);
  }
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(18, 26, 36, 0.35) 0%, rgba(18, 26, 36, 0.55) 42%, rgba(18, 26, 36, 0.88) 100%),
    radial-gradient(ellipse 70% 50% at 20% 70%, rgba(109, 40, 217, 0.26), transparent 60%);
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 40rem;
  animation: rise 0.9s var(--ease) both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.hero-brand {
  margin: 0 0 1rem;
  font-family: var(--font-brand);
  font-size: clamp(2.4rem, 7vw, 4.2rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
}

.hero-line {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.6vw, 2.35rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.02em;
}

.hero-thesis {
  margin: 0 0 1.15rem;
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 2.2vw, 1.28rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--jade);
}

.hero-lead {
  margin: 0 0 1.75rem;
  max-width: 34rem;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 1.4rem;
  z-index: 1;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.1rem;
  text-decoration: none;
  animation: bob 2.2s ease-in-out infinite;
}

@keyframes bob {
  0%,
  100% {
    transform: translate(-50%, 0);
  }
  50% {
    transform: translate(-50%, 6px);
  }
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-height: 2.75rem;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none !important;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--signal);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--signal-deep);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.45);
  color: var(--white);
}

.chapter .btn-ghost,
.msg-form .btn-ghost,
.employee .btn-ghost {
  border-color: var(--line-strong);
  color: var(--ink);
}

.chapter .btn-ghost:hover,
.employee .btn-ghost:hover {
  background: var(--white);
}

/* —— Chapters —— */
.chapter {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
  opacity: 0;
  transform: translateY(1.1rem);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.chapter.is-in {
  opacity: 1;
  transform: none;
}

.chapter-kicker {
  margin: 0 0 0.65rem;
  font-family: var(--font-brand);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
}

.chapter-title {
  margin: 0 0 0.85rem;
  max-width: 22em;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.8vw, 2.05rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.chapter-lead {
  margin: 0 0 2rem;
  max-width: 38rem;
  color: var(--steel);
  font-size: 1.05rem;
}

/* —— Break list —— */
.break-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-strong);
}

.break-item {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
  opacity: 0;
  transform: translateX(-0.6rem);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}

.break-item.is-in {
  opacity: 1;
  transform: none;
}

.break-no {
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--signal);
  letter-spacing: 0.04em;
}

.break-item h3 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
}

.break-item p {
  margin: 0;
  color: var(--steel);
}

/* —— Demand pattern —— */
.chapter-demand {
  background: var(--white);
  border-block: 1px solid var(--line);
}

.pattern-strip {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pattern-strip li {
  flex: 1 1 5.5rem;
  min-width: 4.8rem;
  padding: 0.95rem 0.7rem;
  text-align: center;
  background: var(--paper);
  border: 1px solid var(--line);
  font-family: var(--font-brand);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
}

.pattern-strip li.is-hot {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
  position: relative;
}

.pattern-strip li.is-hot::after {
  content: "";
  position: absolute;
  inset: auto 20% -1px;
  height: 3px;
  background: var(--signal);
}

.demand-note {
  margin: 0 0 1.5rem;
  max-width: 42rem;
  color: var(--steel);
  font-size: 0.98rem;
}

.demand-map {
  display: grid;
  gap: 0.65rem;
}

.demand-chip {
  display: block;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--signal);
  background: var(--paper);
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none !important;
  opacity: 0;
  transform: translateY(0.5rem);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease), background 0.2s;
}

.demand-chip.is-in {
  opacity: 1;
  transform: none;
}

.demand-chip:hover {
  background: var(--chalk);
}

/* —— Market —— */
.chapter-market {
  background: var(--chalk);
}

.market-beats {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.market-beats li {
  padding: 1.1rem 1rem;
  background: var(--white);
  border-top: 3px solid var(--signal);
}

.market-beats h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.market-beats p {
  margin: 0;
  color: var(--steel);
  font-size: 0.92rem;
}

.market-advice {
  margin: 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 500;
}

@media (max-width: 960px) {
  .market-beats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .pattern-strip li {
    flex: 1 1 calc(50% - 0.5rem);
  }
}

.chapter-connect {
  background: var(--ink);
  color: var(--white);
}

.chapter-connect .chapter-kicker {
  color: var(--jade);
}

.connect-motto {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.6vw, 2.35rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.06em;
  color: var(--white);
}

.connect-motto-gloss {
  margin: 0 0 1.35rem;
  max-width: 32rem;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.55);
}

.chapter-connect .chapter-title {
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  font-weight: 600;
  max-width: 24em;
}

.chapter-connect .chapter-lead {
  color: rgba(255, 255, 255, 0.72);
}

.connect-path {
  margin: 0;
  padding: 1rem 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  font-family: var(--font-brand);
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.92);
}

/* —— Buy —— */
.buy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.buy-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 17rem;
  padding: 1.35rem 1.3rem 1.2rem;
  background: var(--white);
  border: 1px solid var(--line);
  color: inherit;
  text-decoration: none !important;
  opacity: 0;
  transform: translateY(0.8rem);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease), border-color 0.2s, box-shadow 0.2s;
}

.buy-tile.is-in {
  opacity: 1;
  transform: none;
}

.buy-tile:hover {
  border-color: var(--ink);
  box-shadow: var(--shadow);
}

.buy-tile.is-accent {
  background: linear-gradient(165deg, #1a2430 0%, #121a24 100%);
  color: var(--white);
  border-color: transparent;
}

.buy-tile.is-accent .buy-desc {
  color: rgba(255, 255, 255, 0.72);
}

.buy-tile.is-accent .buy-role {
  color: var(--jade);
}

.buy-tile.is-accent .buy-cta {
  color: #9ee8df;
}

.buy-tile-split {
  padding: 0;
  display: grid;
  grid-template-rows: 1fr 1fr;
  min-height: 17rem;
}

.buy-half {
  display: flex;
  flex-direction: column;
  padding: 1.1rem 1.2rem;
  text-decoration: none !important;
  color: inherit;
  border-bottom: 1px solid var(--line);
}

.buy-half:last-child {
  border-bottom: 0;
}

.buy-half:hover {
  background: rgba(18, 26, 36, 0.03);
}

.buy-tag {
  display: inline-block;
  margin-bottom: 0.65rem;
  font-family: var(--font-brand);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal);
}

.buy-tile.is-accent .buy-tag {
  color: var(--jade);
}

.buy-tile h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
}

.buy-role {
  margin: 0 0 0.75rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--signal);
}

.buy-desc {
  margin: 0 0 1rem;
  flex: 1;
  color: var(--steel);
  font-size: 0.95rem;
}

.buy-cta {
  margin-top: auto;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink);
}

.buy-advice {
  margin: 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
  color: var(--steel);
  font-size: 0.95rem;
}

/* —— Practiced systems (tender / engine / plan) —— */
.practice-block {
  margin: 0 0 1.75rem;
  padding-top: 0;
  border-top: 0;
}

.practice-tile.is-hot {
  border-color: var(--signal);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--signal) 35%, transparent);
}

.market-week-date {
  margin: 0 0 0.35rem;
  font-family: var(--font-brand);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.practice-kicker {
  margin: 0 0 0.45rem;
  font-family: var(--font-brand);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
}

.practice-title {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  font-weight: 700;
}

.practice-lead {
  margin: 0 0 1.15rem;
  max-width: 40rem;
  color: var(--steel);
  font-size: 0.98rem;
}

.practice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.practice-tile {
  display: flex;
  flex-direction: column;
  min-height: 12.5rem;
  padding: 1.2rem 1.15rem;
  background: var(--white);
  border: 1px solid var(--line);
  text-decoration: none !important;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.practice-tile:hover {
  border-color: var(--ink);
  box-shadow: var(--shadow);
}

.practice-tile h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.practice-tile .buy-desc {
  flex: 1;
}

@media (max-width: 960px) {
  .practice-grid {
    grid-template-columns: 1fr;
  }
}

/* —— Intro pages —— */
.nav-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-home {
  font-size: 0.9rem;
  color: var(--steel);
  text-decoration: none;
}

.nav-home:hover {
  color: var(--ink);
}

.intro-page {
  padding: calc(var(--nav-h) + 2.5rem) 0 4rem;
}

.intro-head {
  margin-bottom: 2rem;
}

.intro-title {
  margin: 0.35rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 700;
}

.intro-lead {
  margin: 0;
  max-width: 36rem;
  color: var(--steel);
  font-size: 1.05rem;
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.intro-card {
  padding: 1.25rem 1.2rem;
  background: var(--white);
  border-top: 3px solid var(--signal);
}

.intro-card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
}

.intro-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--steel);
}

.intro-card li {
  margin-bottom: 0.4rem;
}

.intro-cta,
.deck-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.35rem 1.25rem;
  margin-bottom: 1.5rem;
  background: var(--ink);
  color: var(--white);
}

.deck-cta-title {
  margin: 0 0 0.35rem;
  font-weight: 600;
  font-size: 1.05rem;
}

.deck-cta-desc {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.92rem;
}

.deck-cta-actions .btn-primary {
  background: var(--signal);
}

.intro-siblings {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-weight: 600;
}

.intro-siblings a {
  color: var(--signal-deep);
}

.section-kicker {
  margin: 0;
  font-family: var(--font-brand);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
}

@media (max-width: 960px) {
  .intro-grid {
    grid-template-columns: 1fr;
  }
}

/* —— Focus —— */
.chapter-focus {
  background:
    linear-gradient(120deg, rgba(109, 40, 217, 0.14), transparent 45%),
    var(--chalk);
}

.focus-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
}

.focus-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.focus-visual {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.focus-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  padding: 1.4rem 1.2rem;
  background: var(--ink);
  color: var(--white);
  min-height: 8rem;
}

.focus-step {
  padding: 0.4rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  font-family: var(--font-brand);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.focus-step.is-on {
  background: var(--signal);
  border-color: var(--signal);
  animation: pulse-soft 2.4s ease-in-out infinite;
}

@keyframes pulse-soft {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(109, 40, 217, 0.35);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(109, 40, 217, 0);
  }
}

.focus-arrow {
  width: 1rem;
  height: 1px;
  background: rgba(255, 255, 255, 0.35);
}

.focus-caption {
  margin: 0;
  color: var(--steel);
  font-size: 0.9rem;
}

/* —— Proof —— */
.logo-rail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.6rem 2rem;
  margin: 0.5rem 0 1rem;
}

.logo-rail img {
  height: 28px;
  width: auto;
  opacity: 0.72;
  filter: grayscale(1);
  transition: opacity 0.2s, filter 0.2s;
}

.logo-rail img:hover {
  opacity: 1;
  filter: none;
}

.proof-note {
  margin: 0;
  color: var(--steel);
  font-size: 0.85rem;
}

/* —— Contact —— */
.chapter-contact {
  background: var(--white);
  border-top: 1px solid var(--line);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-company-name {
  margin: 0 0 0.35rem;
  font-weight: 600;
}

.contact-mail {
  margin: 0 0 1.25rem;
}

.contact-mail a {
  color: var(--signal-deep);
  font-weight: 600;
}

.wecom-qr {
  margin: 0;
}

.wecom-qr img {
  width: 148px;
  height: 148px;
  border: 1px solid var(--line);
  background: var(--white);
}

.wecom-qr figcaption {
  margin-top: 0.45rem;
  font-size: 0.85rem;
  color: var(--steel);
}

.msg-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem 1rem;
  padding: 1.35rem;
  background: var(--paper);
  border: 1px solid var(--line);
}

.msg-form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.msg-form .msg-full,
.msg-form .msg-actions {
  grid-column: 1 / -1;
}

.msg-form input,
.msg-form select,
.msg-form textarea {
  appearance: none;
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--white);
  font: inherit;
  font-weight: 400;
  color: var(--ink);
}

.msg-form textarea {
  resize: vertical;
  min-height: 7rem;
}

.msg-form input:focus,
.msg-form select:focus,
.msg-form textarea:focus {
  outline: 2px solid rgba(109, 40, 217, 0.35);
  outline-offset: 1px;
  border-color: var(--signal);
}

.msg-hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
}

.msg-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
}

.msg-status {
  margin: 0;
  font-size: 0.9rem;
  color: var(--steel);
}

.msg-status.is-ok {
  color: #1f6b45;
}

.msg-status.is-err {
  color: #a33b2c;
}

/* —— About / employee / footer —— */
.chapter-soft {
  padding-top: 2.5rem;
  padding-bottom: 2rem;
}

.about-slim {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.about-slim p {
  color: var(--steel);
}

.partner-label {
  margin: 0 0 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
}

.partner-slim a {
  font-weight: 600;
  color: var(--signal-deep);
}

.employee {
  margin: 1.5rem 0 2.5rem;
  border: 1px solid var(--line);
  background: var(--white);
}

.employee summary {
  cursor: pointer;
  padding: 0.9rem 1.1rem;
  font-weight: 600;
  list-style: none;
}

.employee summary::-webkit-details-marker {
  display: none;
}

.employee-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  padding: 0 1.1rem 1.1rem;
}

.footer {
  padding: 1.25rem 0 2rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--steel);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer p {
  margin: 0;
}

/* —— Responsive —— */
@media (max-width: 960px) {
  .buy-grid,
  .focus-layout,
  .contact-grid,
  .about-slim {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }
}

@media (max-width: 640px) {
  :root {
    --wrap: min(100% - 1.5rem, 1120px);
  }

  .hero {
    align-items: center;
    padding-bottom: 4rem;
  }

  .break-item {
    grid-template-columns: 3rem 1fr;
  }

  .msg-form {
    grid-template-columns: 1fr;
  }

  .lang-switch {
    display: none;
  }
}

/* —— Back to top —— */
.to-top {
  position: fixed;
  right: max(1rem, calc((100% - var(--wrap)) / 2));
  bottom: 1.25rem;
  z-index: 35;
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  box-shadow: 0 8px 24px rgba(18, 26, 36, 0.1);
  cursor: pointer;
  font: inherit;
  font-size: 1.15rem;
  line-height: 1;
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.4rem);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), background 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.to-top:hover {
  background: var(--white);
  border-color: var(--signal);
  color: var(--signal-deep);
  text-decoration: none;
}

.to-top:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-img,
  .hero-scroll,
  .focus-step.is-on,
  .chapter,
  .buy-tile,
  .break-item,
  .demand-chip,
  .hero-copy {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .to-top {
    transition: none !important;
  }
}