.page-contact {
  --pc-section-pad: clamp(52px, 8vw, 104px);
}

.page-contact .breadcrumbs {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-contact .page-contact__hero {
  padding-top: clamp(26px, 4vw, 52px);
  padding-bottom: clamp(44px, 7vw, 88px);
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

@media (min-width: 900px) {
  .page-contact .pc-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

.page-contact .page-contact__title {
  margin: 14px 0 20px;
  font-size: clamp(36px, 6.6vw, 86px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  word-break: break-word;
}

.page-contact .page-contact__lede {
  max-width: 34em;
  color: var(--gray);
}

.page-contact .page-contact__hero-meta {
  margin: 26px 0 0;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .page-contact__brief {
  padding: clamp(22px, 3vw, 34px);
  border-top: 3px solid var(--orange);
  align-self: start;
}

.page-contact .page-contact__facts {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .page-contact__facts li {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
}

.page-contact .page-contact__facts li + li {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.page-contact .page-contact__num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: 0.02em;
}

.page-contact .page-contact__fact {
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 通用章节 ---------- */
.page-contact .page-contact__section {
  padding: var(--pc-section-pad) 0;
}

.page-contact .page-contact__section + .page-contact__section {
  padding-top: 0;
}

.page-contact .page-contact__sub {
  margin-top: 16px;
  max-width: 40em;
  color: var(--gray);
  font-size: 16px;
}

/* ---------- 合作方向 ---------- */
.page-contact .contact-directions {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.2vw, 26px);
  align-items: start;
  margin-top: clamp(26px, 4vw, 46px);
}

@media (min-width: 900px) {
  .page-contact .contact-directions {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
  .page-contact .direction-card--wide {
    grid-column: span 7;
  }
  .page-contact .direction-card--narrow {
    grid-column: span 5;
  }
}

.page-contact .direction-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  padding: clamp(22px, 2.8vw, 36px);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-contact .direction-card--wide {
  min-height: 250px;
}

.page-contact .direction-card--narrow {
  min-height: 220px;
}

.page-contact .direction-card:hover {
  border-color: var(--orange-soft);
  transform: translateY(-3px);
}

.page-contact .direction-card__no {
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--orange);
}

.page-contact .direction-card__title {
  margin: 0;
  color: var(--white);
}

.page-contact .direction-card__for {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cyan);
}

.page-contact .direction-card__gain {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

.page-contact .direction-card .tag {
  margin-top: auto;
  align-self: flex-start;
}

/* ---------- 四步流程 ---------- */
.page-contact .contact-flow {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: clamp(30px, 4.6vw, 56px);
}

.page-contact .flow-wire {
  display: none;
}

@media (min-width: 880px) {
  .page-contact .contact-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }
  .page-contact .flow-step {
    padding-right: 28px;
  }
  .page-contact .flow-step:last-child {
    padding-right: 0;
  }
  .page-contact .flow-wire {
    display: block;
    position: absolute;
    top: 27px;
    left: 28px;
    right: calc(25% - 28px);
    height: 2px;
    color: var(--orange);
    opacity: 0.45;
    pointer-events: none;
  }
}

.page-contact .flow-step {
  position: relative;
}

.page-contact .flow-step__no {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  background: var(--orange);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-contact .flow-step__title {
  margin: 18px 0 8px;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 600;
  color: var(--white);
}

.page-contact .flow-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

@media (max-width: 879px) {
  .page-contact .flow-step {
    padding-left: 76px;
  }
  .page-contact .flow-step__no {
    position: absolute;
    left: 0;
    top: 0;
  }
  .page-contact .flow-step::before {
    content: "";
    position: absolute;
    left: 27px;
    top: 56px;
    bottom: -32px;
    width: 1px;
    background: var(--line);
  }
  .page-contact .flow-step:last-child::before {
    display: none;
  }
  .page-contact .flow-step__title {
    margin-top: 0;
  }
}

.page-contact .page-contact__figure {
  margin: clamp(34px, 5vw, 64px) 0 0;
}

.page-contact .page-contact__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-contact .page-contact__figure figcaption {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  max-width: 60ch;
}

/* ---------- 更新节奏横带 ---------- */
.page-contact .contact-rhythm {
  position: relative;
  margin-top: clamp(28px, 4.4vw, 52px);
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .contact-rhythm::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--orange) 0%, var(--lime) 62%, rgba(200, 255, 60, 0) 100%);
}

.page-contact .contact-rhythm__inner {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 860px) {
  .page-contact .contact-rhythm__inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .rhythm-item {
  padding: clamp(26px, 3.6vw, 44px) 0;
  border-top: 1px solid var(--line);
}

.page-contact .rhythm-item:first-child {
  border-top: 0;
}

@media (min-width: 860px) {
  .page-contact .rhythm-item {
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-left: clamp(20px, 2.6vw, 40px);
    padding-right: clamp(20px, 2.6vw, 40px);
  }
  .page-contact .rhythm-item:first-child {
    border-left: 0;
    padding-left: 0;
  }
  .page-contact .rhythm-item:last-child {
    padding-right: 0;
  }
}

.page-contact .rhythm-item__cycle {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--lime);
}

.page-contact .rhythm-item__title {
  margin: 12px 0 10px;
  font-size: clamp(18px, 2.2vw, 23px);
  font-weight: 600;
  color: var(--white);
}

.page-contact .rhythm-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

/* ---------- 联系面板 ---------- */
.page-contact .contact-panel {
  position: relative;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  margin-top: clamp(26px, 4vw, 46px);
}

.page-contact .contact-panel__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.65);
}

.page-contact .contact-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(38, 42, 49, 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(38, 42, 49, 0.5) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none;
}

.page-contact .contact-panel__body {
  position: relative;
  z-index: 2;
  padding: clamp(26px, 4vw, 56px);
  max-width: 900px;
}

.page-contact .contact-line {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-line:first-child {
  padding-top: 0;
}

@media (min-width: 760px) {
  .page-contact .contact-line {
    grid-template-columns: 170px minmax(0, 1fr);
    align-items: baseline;
    gap: 22px;
  }
}

.page-contact .contact-line__label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gray);
}

.page-contact .contact-line__value {
  font-size: clamp(17px, 2.3vw, 25px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--white);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .contact-line__value--lime {
  font-family: var(--font-mono);
  color: var(--lime);
}

.page-contact .contact-panel__note {
  margin: 26px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

/* ---------- 来信清单 ---------- */
.page-contact .contact-letter {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.6vw, 46px);
  align-items: start;
  margin-top: clamp(26px, 4vw, 46px);
}

@media (min-width: 900px) {
  .page-contact .contact-letter {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

.page-contact .contact-checklist {
  list-style: none;
  counter-reset: ck;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-checklist li {
  counter-increment: ck;
  position: relative;
  padding: 20px 0 20px 58px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-checklist li::before {
  content: counter(ck, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 22px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-contact .contact-checklist strong {
  display: block;
  margin-bottom: 7px;
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
}

.page-contact .contact-checklist span {
  display: block;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
}

.page-contact .mail-brief {
  border: 1px solid var(--orange);
  background: rgba(255, 90, 31, 0.07);
  padding: clamp(22px, 3vw, 34px);
}

.page-contact .mail-brief__line {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.9vw, 19px);
  line-height: 1.6;
  color: var(--lime);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .mail-brief__hint {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray);
}

/* ---------- 常见问题 ---------- */
.page-contact .contact-faq {
  margin-top: clamp(24px, 3.6vw, 42px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-faq__item {
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-faq__item summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 22px 48px 22px 0;
  font-size: clamp(16px, 2vw, 21px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
  transition: color 0.18s ease;
}

.page-contact .contact-faq__item summary::-webkit-details-marker {
  display: none;
}

.page-contact .contact-faq__item summary::after {
  content: "+";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  color: var(--orange);
}

.page-contact .contact-faq__item[open] summary::after {
  content: "\2013";
}

.page-contact .contact-faq__item summary:hover {
  color: var(--orange-soft);
}

.page-contact .contact-faq__item p {
  margin: 0 0 26px;
  padding-right: 24px;
  max-width: 74ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--gray);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .direction-card {
    transition: none;
  }
  .page-contact .direction-card:hover {
    transform: none;
  }
}
<<<END>>>