.page-contact {
  --ct-space: clamp(20px, 4vw, 34px);
  --ct-line: rgba(27, 77, 56, 0.22);
  --ct-band: clamp(46px, 7vw, 88px);
  background: var(--cream);
  color: var(--seed);
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  margin: 0;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.15;
  color: var(--seed);
}

.page-contact p {
  margin: 0;
}

.page-contact a {
  color: inherit;
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding-block: clamp(26px, 5vw, 46px) clamp(44px, 7vw, 78px);
  overflow: hidden;
}

.page-contact .ct-hero__veil {
  position: absolute;
  top: -4%;
  left: -10%;
  width: min(620px, 92%);
  height: auto;
  opacity: 0.13;
  border-radius: var(--r-xl);
  object-fit: cover;
  pointer-events: none;
  z-index: 0;
}

.page-contact .ct-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4vw, 46px);
  align-items: start;
}

.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--skin);
  margin-bottom: 18px;
}

.page-contact .crumbs a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  border-bottom-color: var(--pulp);
}

.page-contact .crumbs__sep {
  color: var(--line);
  opacity: 0.6;
}

.page-contact .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--pulp-deep);
  margin-bottom: 14px;
}

.page-contact h1 {
  font-size: clamp(32px, 8vw, 62px);
  line-height: 1.08;
  letter-spacing: 0.01em;
  max-width: 15em;
}

.page-contact .lede {
  margin-top: 18px;
  font-size: clamp(15px, 3.6vw, 18px);
  color: var(--seed);
  opacity: 0.86;
  max-width: 34em;
}

/* 联系渠道胶囊 */
.page-contact .ct-channels {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-channel {
  display: grid;
  gap: 3px;
  padding: 16px 22px;
  background: var(--cream);
  border: 1px solid var(--ct-line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-soft);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-contact .ct-channel:hover {
  transform: translateY(-2px);
  border-color: var(--pulp);
}

.page-contact .ct-channel--hours {
  background: var(--mint);
}

.page-contact .ct-channel__k {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--skin);
}

.page-contact .ct-channel__v {
  font-family: var(--font-mono);
  font-size: clamp(13px, 3.6vw, 17px);
  font-weight: 600;
  line-height: 1.4;
  overflow-wrap: anywhere;
  text-decoration: none;
  border-bottom: 1px dashed rgba(27, 77, 56, 0.4);
  justify-self: start;
  padding-bottom: 1px;
}

.page-contact .ct-channel__v--plain {
  border-bottom: none;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(15px, 3.8vw, 18px);
}

.page-contact .ct-channel__note {
  font-size: 13px;
  color: var(--seed);
  opacity: 0.72;
}

/* ---------- 反馈卡片 ---------- */
.page-contact .ct-form {
  background: var(--sand);
  border: 2px solid transparent;
  border-radius: var(--r-xl);
  padding: var(--ct-space);
  box-shadow: var(--shadow-soft);
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-contact .ct-form:focus-within {
  border-color: var(--neon);
  box-shadow: 0 0 0 5px rgba(200, 255, 61, 0.32), var(--shadow-soft);
}

.page-contact .ct-form__title {
  font-size: clamp(22px, 5vw, 28px);
}

.page-contact .ct-form__hint {
  margin-top: 8px;
  font-size: 14px;
  opacity: 0.76;
}

.page-contact .ct-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 20px;
}

.page-contact .ct-topic {
  position: relative;
  cursor: pointer;
}

.page-contact .ct-topic input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  margin: 0;
  cursor: pointer;
}

.page-contact .ct-topic span {
  display: inline-block;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--ct-line);
  background: var(--cream);
  font-size: 13px;
  letter-spacing: 0.05em;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .ct-topic input:checked + span {
  background: var(--seed);
  border-color: var(--seed);
  color: var(--mist);
}

.page-contact .ct-topic input:focus-visible + span {
  outline: 2px solid var(--pulp);
  outline-offset: 2px;
}

.page-contact .ct-field {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
}

.page-contact .ct-field label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--skin);
}

.page-contact .ct-field input,
.page-contact .ct-field textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--seed);
  background: var(--cream);
  border: 1px solid var(--ct-line);
  border-radius: var(--r-md);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-contact .ct-field textarea {
  resize: vertical;
  min-height: 108px;
  line-height: 1.6;
}

.page-contact .ct-field input:focus,
.page-contact .ct-field textarea:focus {
  outline: none;
  border-color: var(--pulp);
  box-shadow: 0 0 0 3px rgba(56, 180, 90, 0.2);
}

.page-contact .ct-field input::placeholder,
.page-contact .ct-field textarea::placeholder {
  color: var(--seed);
  opacity: 0.4;
}

.page-contact .ct-send {
  display: flex;
  justify-content: center;
  width: 100%;
  margin-top: 6px;
}

.page-contact .ct-form__foot {
  margin-top: 12px;
  font-size: 12px;
  opacity: 0.66;
}

/* ---------- 02 提交准备 ---------- */
.page-contact .ct-prep {
  padding-block: var(--ct-band);
}

.page-contact .ct-prep__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-contact .sec-num {
  font-size: clamp(38px, 10vw, 62px);
  font-weight: 700;
  line-height: 1;
  color: var(--pulp);
  letter-spacing: 0.04em;
  margin: 0;
}

.page-contact .sec-kicker {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--skin);
}

.page-contact .ct-prep h2,
.page-contact .ct-partner h2,
.page-contact .ct-info h2 {
  margin-top: 10px;
  font-size: clamp(26px, 6vw, 42px);
  max-width: 14em;
}

.page-contact .ct-prep__lede {
  margin-top: 14px;
  font-size: 16px;
  max-width: 32em;
  opacity: 0.82;
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-checklist li {
  padding: 16px 20px;
  background: var(--mint);
  border-radius: var(--r-md);
  border-left: 4px solid var(--pulp);
}

.page-contact .ct-checklist h3 {
  font-size: 16px;
  letter-spacing: 0.04em;
}

.page-contact .ct-checklist p {
  margin-top: 5px;
  font-size: 14px;
  opacity: 0.82;
}

.page-contact .ct-prep__media {
  margin: 0;
  border-radius: var(--r-xl);
  overflow: hidden;
}

.page-contact .ct-prep__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .ct-prep__media .media__cap {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  background: var(--deep);
  color: var(--mist);
  border-radius: var(--r-pill);
  padding: 6px 14px;
}

/* ---------- 03 合作咨询 ---------- */
.page-contact .ct-partner {
  background: var(--deep);
  color: var(--cream);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  padding-block: var(--ct-band);
}

.page-contact .ct-partner h2,
.page-contact .ct-partner h3 {
  color: var(--cream);
}

.page-contact .ct-partner .sec-num {
  color: var(--neon);
}

.page-contact .ct-partner .sec-kicker {
  color: var(--mist);
  opacity: 0.8;
}

.page-contact .ct-partner__lede {
  margin-top: 16px;
  font-size: 16px;
  max-width: 46em;
  color: var(--cream);
  opacity: 0.86;
}

.page-contact .ct-partner__grid {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.page-contact .ct-partner__card {
  padding: 20px 22px;
  border-radius: var(--r-lg);
  background: rgba(223, 243, 227, 0.07);
  border: 1px solid rgba(233, 255, 176, 0.24);
}

.page-contact .ct-partner__card h3 {
  font-size: 19px;
  letter-spacing: 0.06em;
}

.page-contact .ct-partner__card p {
  margin-top: 8px;
  font-size: 14px;
  opacity: 0.84;
}

.page-contact .ct-partner__need {
  font-family: var(--font-mono);
  font-size: 12px !important;
  letter-spacing: 0.02em;
  color: var(--neon);
  opacity: 0.92 !important;
}

.page-contact .ct-steps {
  list-style: none;
  counter-reset: ct-step;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-steps li {
  counter-increment: ct-step;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 10px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid rgba(233, 255, 176, 0.16);
}

.page-contact .ct-steps li::before {
  content: "0" counter(ct-step);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--neon);
}

.page-contact .ct-steps strong {
  display: block;
  font-size: 15px;
  letter-spacing: 0.05em;
  color: var(--cream);
}

.page-contact .ct-steps span {
  display: block;
  margin-top: 2px;
  font-size: 13px;
  color: var(--cream);
  opacity: 0.7;
}

.page-contact .ct-partner__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 04 站点信息 ---------- */
.page-contact .ct-info {
  background: var(--sand);
  padding-block: var(--ct-band);
}

.page-contact .ct-info__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-contact .ct-facts {
  margin: 24px 0 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-facts__row {
  display: grid;
  gap: 2px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(27, 77, 56, 0.18);
}

.page-contact .ct-facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--skin);
}

.page-contact .ct-facts dd {
  margin: 0;
  font-size: 15px;
  overflow-wrap: anywhere;
}

.page-contact .ct-facts dd a {
  text-decoration: none;
  border-bottom: 1px dashed rgba(27, 77, 56, 0.45);
}

.page-contact .ct-facts dd a:hover,
.page-contact .ct-facts dd a:focus-visible {
  border-bottom-color: var(--pulp);
  color: var(--pulp-deep);
}

.page-contact .ct-aside {
  background: var(--cream);
  border-radius: var(--r-xl);
  padding: var(--ct-space);
  border: 1px solid var(--ct-line);
}

.page-contact .ct-aside h3 {
  font-size: 19px;
  letter-spacing: 0.05em;
}

.page-contact .ct-aside > p {
  margin-top: 8px;
  font-size: 14px;
  opacity: 0.78;
}

.page-contact .ct-aside__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-aside__list li a {
  display: block;
  padding: 12px 16px;
  border-radius: var(--r-md);
  background: var(--mint);
  font-size: 14px;
  text-decoration: none;
  border-left: 4px solid var(--pulp);
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .ct-aside__list li a:hover,
.page-contact .ct-aside__list li a:focus-visible {
  background: var(--mist);
  transform: translateX(3px);
}

.page-contact .ct-aside__note {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--skin);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-partner__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-facts__row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-contact .ct-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  }

  .page-contact .ct-prep__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-contact .ct-info__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-contact .ct-form {
    position: sticky;
    top: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel,
  .page-contact .ct-topic span,
  .page-contact .ct-aside__list li a,
  .page-contact .ct-form {
    transition: none;
  }

  .page-contact .ct-channel:hover,
  .page-contact .ct-aside__list li a:hover {
    transform: none;
  }
}