.page-contact {
  --flow-line: rgba(233, 169, 60, 0.55);
  --ask-tint: rgba(232, 69, 43, 0.07);
  --partner-tint: rgba(44, 122, 140, 0.08);
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.8;
  overflow-x: hidden;
}

.page-contact .section {
  padding: clamp(46px, 7vw, 86px) 0;
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ember);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: calc(var(--header-h) + clamp(26px, 5vw, 54px)) 0 clamp(40px, 6vw, 72px);
}

.page-contact .hero-grid {
  display: grid;
  gap: 26px;
}

.page-contact .hero-copy {
  min-width: 0;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-contact .breadcrumb a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .breadcrumb a:hover {
  color: var(--ink);
  border-bottom-color: var(--gold);
}

.page-contact .eyebrow {
  color: var(--ember);
  letter-spacing: 0.1em;
}

.page-contact h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.6vw, 62px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  max-width: 14em;
}

.page-contact .lede {
  margin: 0;
  max-width: 42ch;
  font-size: clamp(15.5px, 2.2vw, 17px);
  line-height: 1.85;
  color: rgba(20, 17, 15, 0.78);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .hero-media {
  margin: 0;
  position: relative;
}

.page-contact .hero-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--r-lg);
  object-fit: cover;
  box-shadow: var(--shadow-panel);
}

/* ---------- 四步时间线 ---------- */
.page-contact .flow {
  position: relative;
  list-style: none;
  margin: clamp(34px, 5vw, 54px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .flow-step {
  position: relative;
  padding: 18px 18px 16px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -14px;
  width: 2px;
  height: 14px;
  background: var(--flow-line);
}

.page-contact .flow-step:last-child::before {
  display: none;
}

.page-contact .flow-now {
  position: absolute;
  top: -12px;
  left: 16px;
  padding: 3px 11px;
  border-radius: var(--r-pill);
  background: var(--ember);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-contact .flow-toggle {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-contact .flow-index {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ember-deep);
}

.page-contact .flow-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
}

.page-contact .flow-time {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: rgba(233, 169, 60, 0.2);
  border-radius: var(--r-pill);
  padding: 2px 10px;
}

.page-contact .flow-icon {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  align-self: center;
  margin-left: 6px;
}

.page-contact .flow-icon::before,
.page-contact .flow-icon::after {
  content: "";
  position: absolute;
  background: var(--stone);
  border-radius: 2px;
  transition: transform 0.2s var(--ease);
}

.page-contact .flow-icon::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-contact .flow-icon::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-contact .flow-toggle[aria-expanded="true"] .flow-icon::after {
  transform: scaleY(0);
}

.page-contact .flow-toggle[aria-expanded="true"] .flow-name {
  color: var(--ember-deep);
}

.page-contact .flow-panel {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 14.5px;
  color: rgba(20, 17, 15, 0.8);
}

.page-contact .flow-panel p {
  margin: 0;
}

/* ---------- 提交方式 ---------- */
.page-contact .submit-grid {
  display: grid;
  gap: 28px;
}

.page-contact .section-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.22;
  letter-spacing: 0.02em;
}

.page-contact .submit-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .submit-steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
}

.page-contact .submit-side {
  padding: clamp(22px, 3.2vw, 30px);
  background: var(--cream-deep);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
}

.page-contact .submit-side h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
}

.page-contact .submit-side > p {
  margin: 0 0 18px;
  font-size: 14px;
  color: var(--stone);
}

.page-contact .bring-list {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-contact .bring-list dt {
  margin-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ember-deep);
}

.page-contact .bring-list dd {
  margin: 0;
  font-size: 14.5px;
  color: rgba(20, 17, 15, 0.78);
}

/* ---------- 两条路 ---------- */
.page-contact .section-head {
  max-width: 40em;
  margin-bottom: clamp(22px, 4vw, 38px);
}

.page-contact .paths {
  display: grid;
  gap: 18px;
}

.page-contact .path {
  padding: clamp(22px, 3.2vw, 34px);
  border: 1px solid var(--line-soft);
  border-left-width: 5px;
  border-radius: var(--r-lg);
}

.page-contact .path--ask {
  border-left-color: var(--ember);
  background: linear-gradient(165deg, var(--ask-tint), rgba(255, 255, 255, 0) 62%), rgba(255, 255, 255, 0.5);
}

.page-contact .path--partner {
  border-left-color: var(--teal);
  background: linear-gradient(165deg, var(--partner-tint), rgba(255, 255, 255, 0) 62%), rgba(255, 255, 255, 0.5);
}

.page-contact .path h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.8vw, 26px);
  letter-spacing: 0.02em;
}

.page-contact .path p {
  margin: 0 0 16px;
  font-size: 15px;
  color: rgba(20, 17, 15, 0.8);
}

.page-contact .path ul {
  margin: 0 0 22px;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  font-size: 14.5px;
}

.page-contact .path--ask li::marker {
  color: var(--ember);
}

.page-contact .path--partner li::marker {
  color: var(--teal);
}

.page-contact .path a {
  color: inherit;
  text-decoration-color: var(--gold);
}

/* ---------- 四类合作 ---------- */
.page-contact .partner-grid {
  display: grid;
  gap: 28px;
}

.page-contact .partner-media {
  margin: 0;
}

.page-contact .partner-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--r-lg);
  object-fit: cover;
}

.page-contact .partner-list {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-contact .partner-item {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .partner-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .partner-item h3 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
}

.page-contact .partner-item .num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--clay);
}

.page-contact .partner-item .who {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--teal);
}

.page-contact .partner-item p {
  margin: 0;
  font-size: 14.8px;
  color: rgba(20, 17, 15, 0.8);
}

.page-contact .partner-note {
  margin: 20px 0 0;
  font-size: 14px;
  color: var(--stone);
}

.page-contact .partner-note a {
  color: var(--ember-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 69, 43, 0.4);
}

/* ---------- 常见情况 ---------- */
.page-contact .issue-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .issue-card {
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .issue-card:hover {
  transform: translateY(-2px);
  border-color: rgba(232, 69, 43, 0.3);
}

.page-contact .pill {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(232, 69, 43, 0.28);
  background: rgba(232, 69, 43, 0.1);
  color: var(--ember-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-contact .pill--teal {
  border-color: rgba(44, 122, 140, 0.3);
  background: rgba(44, 122, 140, 0.1);
  color: var(--teal);
}

.page-contact .issue-card p {
  margin: 12px 0 0;
  font-size: 14.5px;
  color: rgba(20, 17, 15, 0.78);
}

/* ---------- 联系渠道 ---------- */
.page-contact .reach-panel {
  padding: clamp(24px, 4vw, 52px);
  border-radius: var(--r-lg);
  background-color: var(--ink);
  background-image: radial-gradient(120% 90% at 100% 0%, rgba(232, 69, 43, 0.3), rgba(20, 17, 15, 0) 62%);
  color: var(--cream);
  box-shadow: var(--shadow-panel);
}

.page-contact .reach-panel .eyebrow {
  color: var(--gold);
}

.page-contact .reach-panel .section-title {
  color: var(--cream);
}

.page-contact .reach-head p {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  color: rgba(246, 240, 231, 0.76);
}

.page-contact .reach-rows {
  margin-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line-invert);
}

.page-contact .reach-row,
.page-contact .copy-mail {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  width: 100%;
  padding: 15px 0;
  border: 0;
  border-bottom: 1px solid var(--line-invert);
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  align-items: center;
}

.page-contact .copy-mail {
  cursor: pointer;
  transition: background 0.2s var(--ease);
}

.page-contact .copy-mail:hover {
  background: rgba(246, 240, 231, 0.05);
}

.page-contact .reach-label,
.page-contact .copy-mail-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(246, 240, 231, 0.55);
}

.page-contact .reach-value,
.page-contact .copy-mail-value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 18px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cream);
  word-break: break-all;
}

.page-contact .copy-mail-hint {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-contact .reach-legal {
  margin: 24px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: rgba(246, 240, 231, 0.45);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .reach-row,
  .page-contact .copy-mail {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr) auto;
    gap: 20px;
  }

  .page-contact .copy-mail-hint {
    justify-self: end;
  }

  .page-contact .issue-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: end;
    gap: 46px;
  }

  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-top: 62px;
  }

  .page-contact .flow::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: -20px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, rgba(233, 169, 60, 0.85), rgba(233, 169, 60, 0.18));
  }

  .page-contact .flow-step {
    padding: 20px 18px 18px;
  }

  .page-contact .flow-step::before {
    display: none;
  }

  .page-contact .flow-step::after {
    content: "";
    position: absolute;
    top: -25px;
    left: 18px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gold);
    box-shadow: 0 0 0 4px rgba(233, 169, 60, 0.16);
  }

  .page-contact .flow-time {
    margin-left: 0;
    align-self: center;
  }

  .page-contact .flow-toggle {
    align-items: center;
  }

  .page-contact .flow-icon {
    margin-left: auto;
  }

  .page-contact .paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 960px) {
  .page-contact .submit-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .partner-media {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}