.page-contact {
  --pc-num: clamp(1.75rem, 5vw, 3rem);
  background: var(--pitch-900);
  color: var(--paper-050);
  font-family: var(--font-display);
  overflow-x: hidden;
}

.page-contact .ps-section {
  padding: clamp(44px, 7vw, 88px) 0;
}

.page-contact .contact-crumbs {
  padding-top: clamp(14px, 2.4vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  background: var(--ink-950);
  border-bottom: 2px solid var(--line-500);
}

.page-contact .contact-hero__media {
  position: relative;
  height: clamp(150px, 26vw, 320px);
  overflow: hidden;
  border-bottom: 2px solid var(--line-500);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.78) contrast(1.06);
  opacity: .78;
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 11, 10, .1) 0%, rgba(7, 11, 10, .94) 100%);
  pointer-events: none;
}

.page-contact .contact-hero__body {
  padding: clamp(26px, 4.5vw, 54px) 0 clamp(30px, 5vw, 60px);
}

.page-contact .contact-hero__title {
  margin: 12px 0 20px;
  max-width: 20ch;
  font-size: clamp(1.85rem, 5.2vw, 3.4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 40ch;
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  line-height: 1.75;
  color: var(--steel-300);
}

/* ---------- 01 联系方式 ---------- */
.page-contact .contact-lines {
  display: grid;
  border: 2px solid var(--line-500);
  background: var(--ink-950);
}

.page-contact .contact-line {
  padding: clamp(20px, 3.4vw, 34px) clamp(16px, 2.6vw, 30px);
  border-bottom: 2px solid var(--line-500);
  transition: background var(--dur) var(--ease);
}

.page-contact .contact-line:last-child {
  border-bottom: 0;
}

.page-contact .contact-line:hover {
  background: var(--pitch-700);
}

.page-contact .contact-line__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--amber-400);
}

.page-contact .contact-line__value {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper-050);
  overflow-wrap: anywhere;
  user-select: all;
}

.page-contact .contact-line--phone .contact-line__value {
  font-size: var(--pc-num);
  line-height: 1.05;
}

.page-contact .contact-line--mail .contact-line__value {
  font-size: clamp(1rem, 2.4vw, 1.5rem);
  line-height: 1.32;
}

.page-contact .contact-line__note {
  margin: 14px 0 0;
  max-width: 36ch;
  font-size: var(--fs-2);
  line-height: 1.75;
  color: var(--steel-300);
}

/* ---------- 02 反馈类型 ---------- */
.page-contact .feedback-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 2px solid var(--line-500);
  background: var(--pitch-700);
}

.page-contact .feedback-item {
  padding: clamp(20px, 3vw, 32px) clamp(16px, 2.6vw, 28px);
  border-bottom: 2px solid var(--line-500);
  transition: background var(--dur) var(--ease);
}

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

.page-contact .feedback-item:hover {
  background: var(--ink-950);
}

.page-contact .feedback-item__head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-contact .feedback-item__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 40px;
  height: 40px;
  font-family: var(--font-mono);
  font-size: var(--fs-3);
  font-weight: 700;
  color: var(--ink-950);
  background: var(--signal-600);
  border: 2px solid var(--ink-950);
  box-shadow: 4px 4px 0 0 rgba(255, 90, 31, .3);
}

.page-contact .feedback-item__title {
  margin: 0;
  font-size: var(--fs-4);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-contact .feedback-item__text {
  margin: 14px 0 0;
  max-width: 42ch;
  font-size: var(--fs-3);
  line-height: 1.75;
  color: var(--steel-300);
}

.page-contact .feedback-item__need {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .feedback-item__need li {
  display: flex;
  gap: 10px;
  font-size: var(--fs-2);
  line-height: 1.7;
  color: var(--paper-050);
}

.page-contact .feedback-item__need li::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 7px;
  background: var(--amber-400);
}

.page-contact .feedback-side {
  margin-top: 28px;
  padding: clamp(20px, 2.8vw, 28px);
  border: 2px solid var(--line-500);
  border-left: 6px solid var(--signal-600);
  background: var(--ink-950);
}

.page-contact .feedback-side__title {
  margin: 0 0 12px;
  font-size: var(--fs-4);
  font-weight: 900;
}

.page-contact .feedback-side__text {
  margin: 0 0 20px;
  font-size: var(--fs-2);
  line-height: 1.75;
  color: var(--steel-300);
}

/* ---------- 03 移动端访问 ---------- */
.page-contact .steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0 0 0 2px;
  border-left: 2px solid var(--line-500);
}

.page-contact .step {
  position: relative;
  padding: 0 0 30px clamp(18px, 4vw, 32px);
}

.page-contact .step:last-child {
  padding-bottom: 0;
}

.page-contact .step::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 7px;
  width: 14px;
  height: 14px;
  background: var(--pitch-900);
  border: 2px solid var(--signal-600);
}

.page-contact .step__no {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: 0.14em;
  color: var(--signal-600);
}

.page-contact .step__title {
  margin: 0 0 10px;
  font-size: var(--fs-4);
  font-weight: 900;
}

.page-contact .step__text {
  margin: 0;
  max-width: 40ch;
  font-size: var(--fs-3);
  line-height: 1.75;
  color: var(--steel-300);
}

.page-contact .entry-board {
  padding: clamp(20px, 3vw, 32px);
  border: 2px solid var(--line-500);
  background: var(--pitch-700);
}

.page-contact .entry-board__title {
  margin: 0 0 18px;
  font-size: var(--fs-4);
  font-weight: 900;
}

.page-contact .entry-board__list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  border-top: 2px solid var(--line-500);
}

.page-contact .entry-board__list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 2px 12px;
  padding: 14px 0;
  border-bottom: 2px solid var(--line-500);
}

.page-contact .entry-board__idx {
  grid-row: span 2;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: var(--fs-2);
  color: var(--signal-600);
}

.page-contact .entry-board__name {
  font-size: var(--fs-3);
  font-weight: 700;
}

.page-contact .entry-board__desc {
  font-size: var(--fs-2);
  line-height: 1.6;
  color: var(--steel-300);
}

/* ---------- 04 服务时间 ---------- */
.page-contact .hours {
  border: 2px solid var(--line-500);
  background: var(--pitch-700);
}

.page-contact .hours__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 16px clamp(16px, 2.6vw, 28px);
  border-bottom: 2px solid var(--line-500);
  font-family: var(--font-mono);
  font-size: var(--fs-2);
  letter-spacing: 0.01em;
}

.page-contact .hours__row:last-child {
  border-bottom: 0;
}

.page-contact .hours__dot {
  flex: none;
  width: 10px;
  height: 10px;
  background: var(--signal-600);
}

.page-contact .hours__dot--idle {
  background: var(--muted-400);
}

.page-contact .hours__label {
  color: var(--paper-050);
  font-weight: 700;
}

.page-contact .hours__val {
  color: var(--steel-300);
  margin-left: auto;
}

.page-contact .hours__foot {
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: var(--fs-2);
  line-height: 1.8;
  color: var(--steel-300);
}

/* ---------- 05 合作 ---------- */
.page-contact .coop-table {
  border-top: 2px solid var(--line-500);
}

.page-contact .coop-row {
  display: grid;
  gap: 12px;
  padding: clamp(20px, 2.8vw, 30px) 0;
  border-bottom: 2px solid var(--line-500);
}

.page-contact .coop-row__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-contact .coop-row__no {
  font-family: var(--font-mono);
  font-size: var(--fs-2);
  font-weight: 700;
  color: var(--amber-400);
}

.page-contact .coop-row__title {
  margin: 0;
  font-size: var(--fs-4);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-contact .coop-row__text {
  margin: 0;
  max-width: 52ch;
  font-size: var(--fs-3);
  line-height: 1.75;
  color: var(--paper-050);
}

.page-contact .coop-row__next {
  margin: 10px 0 0;
  max-width: 52ch;
  font-size: var(--fs-2);
  line-height: 1.75;
  color: var(--steel-300);
}

.page-contact .coop-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

/* ---------- 底部窄条 ---------- */
.page-contact .contact-strip {
  border-top: 2px solid var(--line-500);
  background: var(--ink-950);
  padding: clamp(20px, 3.4vw, 32px) 0;
}

.page-contact .contact-strip__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  align-items: baseline;
}

.page-contact .contact-strip__addr {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--steel-300);
}

.page-contact .contact-strip__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-2);
  line-height: 1.7;
  color: var(--muted-400);
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-lines {
    grid-template-columns: 5fr 7fr;
  }

  .page-contact .contact-line--phone {
    border-right: 2px solid var(--line-500);
  }
}

@media (min-width: 820px) {
  .page-contact .coop-row {
    grid-template-columns: 4fr 8fr;
    gap: 32px;
  }
}

@media (max-width: 560px) {
  .page-contact .hours__val {
    margin-left: 0;
    flex-basis: 100%;
  }

  .page-contact .contact-line--mail .contact-line__value {
    font-size: 0.9375rem;
  }

  .page-contact .coop-links .ps-btn {
    width: 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-line,
  .page-contact .feedback-item {
    transition: none;
  }
}