/* ================= 页面作用域：合作与联系 ================= */
.page-contact {
  padding-bottom: 88px;
}

/* ---------- 框景语言 ---------- */
.page-contact .pc-frame {
  position: relative;
  border: 1px solid var(--line);
  background-color: var(--ink-2);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 32px 32px, 32px 32px;
}
.page-contact .pc-frame::before,
.page-contact .pc-frame::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--cyan);
  pointer-events: none;
}
.page-contact .pc-frame::before {
  top: -1px;
  left: -1px;
  border-right-color: transparent;
  border-bottom-color: transparent;
}
.page-contact .pc-frame::after {
  right: -1px;
  bottom: -1px;
  border-left-color: transparent;
  border-top-color: transparent;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  margin: 24px 0 clamp(44px, 6vw, 76px);
  padding: clamp(30px, 4.6vw, 56px) clamp(20px, 4vw, 48px) clamp(26px, 4vw, 44px);
}
.page-contact .pc-hero__coord {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan-soft);
}
.page-contact .pc-hero h1 {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(40px, 8vw, 76px);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--text);
}
.page-contact .pc-hero__lead {
  margin: 0;
  max-width: 36em;
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.82;
  color: var(--text-2);
}
.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.page-contact .pc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 28px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-contact .pc-hero__meta li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--muted);
}
.page-contact .pc-hero__meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}
.page-contact .pc-hero__meta li:nth-child(2)::before {
  background: var(--amber);
}

/* ---------- 通用标题 ---------- */
.page-contact .pc-h2 {
  margin: 8px 0 22px;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.2vw, 36px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--text);
}
.page-contact .pc-block {
  margin-bottom: clamp(52px, 7vw, 84px);
}

/* ---------- 非对称分栏 ---------- */
.page-contact .pc-layout {
  display: grid;
  gap: 44px;
}
.page-contact .pc-aside .pc-h2 {
  font-size: clamp(22px, 2.4vw, 28px);
}

/* ---------- 联系卡片（纸面叠层） ---------- */
.page-contact .pc-card {
  position: relative;
  margin-bottom: 18px;
  padding: 22px 20px 20px;
  background: var(--paper);
  color: var(--paper-ink);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-paper);
  transition: transform 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.page-contact .pc-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(6, 12, 22, 0.6);
}
.page-contact .pc-card--last {
  margin-bottom: 22px;
}
.page-contact .pc-card__idx {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: rgba(22, 32, 46, 0.5);
}
.page-contact .pc-card__title {
  margin: 6px 0 10px;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--paper-ink);
}
.page-contact .pc-card__value {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--paper-ink);
  word-break: break-word;
}
.page-contact .pc-card__use {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(22, 32, 46, 0.76);
}
.page-contact .pc-copy {
  margin-top: 14px;
  padding: 7px 15px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--paper-ink);
  background: transparent;
  border: 1px solid rgba(22, 32, 46, 0.45);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s var(--ease), border-color 0.15s var(--ease);
}
.page-contact .pc-copy:hover,
.page-contact .pc-copy:focus-visible {
  background: rgba(22, 32, 46, 0.08);
  border-color: var(--paper-ink);
  outline: none;
}
.page-contact .pc-aside__note {
  margin: 0;
  padding: 14px 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-2);
  background: var(--ink-3);
  border-left: 2px solid var(--amber);
}
.page-contact .pc-aside__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

/* ---------- 合作方向 ---------- */
.page-contact .pc-dir {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 0 16px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  transition: border-color 0.15s var(--ease);
}
.page-contact .pc-dir:last-child {
  border-bottom: 1px solid var(--line);
}
.page-contact .pc-dir:hover {
  border-top-color: var(--line-cyan);
}
.page-contact .pc-dir__idx {
  padding-top: 5px;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}
.page-contact .pc-dir__name {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
  transition: color 0.15s var(--ease);
}
.page-contact .pc-dir:hover .pc-dir__name {
  color: var(--cyan);
}
.page-contact .pc-dir__text {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-2);
}

/* ---------- 准备清单 ---------- */
.page-contact .pc-prep {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-contact .pc-prep li {
  display: grid;
  gap: 6px 22px;
  padding: 17px 4px;
  border-bottom: 1px solid var(--line);
}
.page-contact .pc-prep__k {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan-soft);
  padding-top: 3px;
}
.page-contact .pc-prep__v {
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-2);
}

/* ---------- 沟通流程 ---------- */
.page-contact .pc-flow__fig {
  margin: 0 0 34px;
}
.page-contact .pc-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .pc-step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 0 18px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
.page-contact .pc-step:last-child {
  border-bottom: 1px solid var(--line);
}
.page-contact .pc-step__n {
  display: block;
  padding-top: 3px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber);
}
.page-contact .pc-step__title {
  margin: 0 0 7px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}
.page-contact .pc-step__text {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-2);
}

/* ---------- 服务范围 ---------- */
.page-contact .pc-range__lead {
  margin: 0 0 26px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.82;
  color: var(--text-2);
}
.page-contact .pc-metrics {
  margin: 0 0 20px;
  border-top: 1px solid var(--line);
}
.page-contact .pc-metrics__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .pc-metrics dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.page-contact .pc-metrics dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  text-align: right;
}
.page-contact .pc-metrics__row:last-child dd {
  color: var(--amber);
}
.page-contact .pc-range__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}
.page-contact .pc-range__fig {
  margin: 30px 0 0;
}

/* ---------- 留言表单 ---------- */
.page-contact .pc-formbox {
  padding: clamp(26px, 4vw, 50px) clamp(20px, 4vw, 46px) clamp(30px, 4vw, 48px);
}
.page-contact .pc-formbox__lead {
  margin: 0 0 30px;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-2);
}
.page-contact .pc-form {
  display: grid;
  gap: 18px;
}
.page-contact .pc-field {
  display: block;
}
.page-contact .pc-field__label {
  display: block;
  margin-bottom: 8px;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan-soft);
}
.page-contact .pc-field input,
.page-contact .pc-field textarea {
  display: block;
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background: var(--ink-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.page-contact .pc-field input::placeholder,
.page-contact .pc-field textarea::placeholder {
  color: rgba(154, 168, 188, 0.7);
}
.page-contact .pc-field input:focus,
.page-contact .pc-field textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(63, 224, 200, 0.14);
}
.page-contact .pc-field textarea {
  min-height: 120px;
  resize: vertical;
}
.page-contact .pc-form__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: 6px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.page-contact .pc-form__alt {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}
.page-contact .pc-form__alt .mono {
  color: var(--cyan-soft);
}

/* ---------- 页尾索引条 ---------- */
.page-contact .pc-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px 32px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.page-contact .pc-top {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease);
}
.page-contact .pc-top:hover,
.page-contact .pc-top:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  outline: none;
}
.page-contact .pc-foot__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}
.page-contact .pc-foot__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  transition: border-color 0.15s var(--ease);
}
.page-contact .pc-foot__text a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 图片容器 ---------- */
.page-contact .img-frame {
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
}
.page-contact .img-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ================= 响应式 ================= */
@media (min-width: 620px) {
  .page-contact .pc-prep li {
    grid-template-columns: 148px minmax(0, 1fr);
  }
  .page-contact .pc-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-field--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1000px) {
  .page-contact .pc-layout {
    grid-template-columns: 340px minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }
  .page-contact .pc-aside {
    position: sticky;
    top: 26px;
  }
  .page-contact .pc-range {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
    gap: 56px;
    align-items: center;
  }
  .page-contact .pc-range__fig {
    margin: 0;
  }
  .page-contact .pc-step {
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 0 24px;
  }
}

@media (min-width: 1280px) {
  .page-contact .pc-layout {
    gap: 76px;
  }
}
<<<END>>>