.page-contact {
  --co-r: 12px;
  --co-gap: clamp(16px, 2.2vw, 26px);
  --co-cut: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

/* ---------- 首屏 ---------- */
.page-contact .co-hero-section {
  padding-top: clamp(18px, 2.4vw, 30px);
}

.page-contact .co-hero {
  display: grid;
  gap: clamp(24px, 3.6vw, 48px);
  align-items: center;
  margin-top: clamp(18px, 2.6vw, 28px);
}

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

.page-contact .co-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(30px, 6.6vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 900;
  max-width: 15em;
}

.page-contact .co-hero .lede {
  margin-top: 16px;
  max-width: 34em;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
}

.page-contact .co-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(14px, 2.4vw, 30px);
  margin-top: clamp(20px, 3vw, 30px);
  padding-top: clamp(16px, 2.4vw, 24px);
  border-top: 1px solid var(--line);
}

.page-contact .co-mini {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-contact .co-mini-val {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--mono);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.page-contact .co-mini-unit {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
}

.page-contact .co-mini-key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .co-hero-visual {
  position: relative;
  margin: 0;
  min-width: 0;
}

.page-contact .co-hero-visual::after {
  content: "";
  position: absolute;
  inset: auto -8px -8px auto;
  width: 42%;
  height: 40%;
  background: linear-gradient(135deg, var(--summer), transparent 70%);
  opacity: 0.3;
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .co-hero-visual figcaption,
.page-contact .co-contact-visual figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 章节通用 ---------- */
.page-contact .co-directions .section-head,
.page-contact .co-flow-section .section-head,
.page-contact .co-faq-section .section-head {
  margin-bottom: clamp(22px, 3.2vw, 38px);
}

.page-contact .co-directions .section-head h2,
.page-contact .co-flow-section .section-head h2,
.page-contact .co-faq-section .section-head h2,
.page-contact .co-kit-copy h2,
.page-contact .co-channels h2 {
  margin: 8px 0 0;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-contact .co-directions .section-head .lede,
.page-contact .co-flow-section .section-head .lede {
  margin-top: 12px;
  max-width: 42em;
  color: var(--muted);
  line-height: 1.75;
}

/* ---------- 合作方向 ---------- */
.page-contact .co-dir-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--co-gap);
}

.page-contact .co-dir-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--co-r);
  border-top: 3px solid var(--line);
  overflow: hidden;
}

.page-contact .co-dir-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
}

.page-contact .co-dir-card[data-season="spring"]::before { background: var(--spring); }
.page-contact .co-dir-card[data-season="summer"]::before { background: var(--summer); }
.page-contact .co-dir-card[data-season="autumn"]::before { background: var(--autumn); }
.page-contact .co-dir-card[data-season="winter"]::before { background: var(--winter); }

.page-contact .co-dir-card .tag {
  align-self: flex-start;
}

.page-contact .co-dir-card h3 {
  margin: 0;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.35;
}

.page-contact .co-dir-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.page-contact .co-dir-list {
  margin: auto 0 0;
  padding: 12px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line);
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.page-contact .co-dir-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
}

.page-contact .co-dir-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 7px;
  height: 7px;
  background: var(--season);
  clip-path: polygon(0 0, 100% 0, 100% 60%, 60% 100%, 0 100%);
}

/* ---------- 交付内容 ---------- */
.page-contact .co-kit-shell {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(20px, 3vw, 34px);
  border-radius: var(--co-r);
  background: linear-gradient(150deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--line);
}

.page-contact .co-kit-copy p {
  margin: 12px 0 0;
  max-width: 34em;
  color: var(--muted);
  line-height: 1.75;
}

.page-contact .co-kit-panel {
  border-radius: var(--co-r);
  padding: clamp(16px, 2.2vw, 24px);
  border: 1px solid var(--glass-2);
}

.page-contact .co-kit-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-contact .co-kit-list li {
  display: grid;
  gap: 5px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-contact .co-kit-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .co-kit-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .co-kit-meta {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--accent);
}

.page-contact .co-kit-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 合作节奏 ---------- */
.page-contact .co-flow {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: clamp(18px, 2.6vw, 26px);
  counter-reset: co-step;
}

.page-contact .co-step {
  position: relative;
  padding: clamp(18px, 2.4vw, 24px) clamp(18px, 2.4vw, 24px) clamp(18px, 2.4vw, 24px) clamp(58px, 8vw, 78px);
  border-radius: var(--co-r);
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: var(--co-cut);
}

.page-contact .co-step-num {
  position: absolute;
  left: clamp(16px, 2.2vw, 22px);
  top: clamp(18px, 2.4vw, 24px);
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 600;
  color: var(--season);
  line-height: 1;
}

.page-contact .co-step h3 {
  margin: 0;
  font-size: clamp(16px, 1.9vw, 19px);
}

.page-contact .co-step-time {
  margin: 6px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.page-contact .co-step p:last-child {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .co-flow .co-step:nth-child(1) { border-left: 3px solid var(--spring); }
.page-contact .co-flow .co-step:nth-child(2) { border-left: 3px solid var(--summer); }
.page-contact .co-flow .co-step:nth-child(3) { border-left: 3px solid var(--autumn); }
.page-contact .co-flow .co-step:nth-child(4) { border-left: 3px solid var(--winter); }

/* ---------- 联系方式 ---------- */
.page-contact .co-contact-grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 42px);
  min-width: 0;
}

.page-contact .co-channels p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.75;
  max-width: 34em;
}

.page-contact .co-channel-list {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .co-channel {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .co-channel-key {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .co-channel-val {
  margin: 0;
  font-size: clamp(15px, 1.9vw, 18px);
  font-weight: 600;
  color: var(--accent);
  word-break: break-word;
}

.page-contact .co-channel-val--text {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.6;
}

.page-contact .co-channel-note {
  margin-top: 16px;
  padding-left: 14px;
  border-left: 3px solid var(--autumn);
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .co-cta {
  margin-top: clamp(18px, 2.6vw, 26px);
  display: inline-flex;
  align-self: flex-start;
}

.page-contact .co-contact-visual {
  margin: 0;
  min-width: 0;
}

/* ---------- 常见问题 ---------- */
.page-contact .co-faq {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .co-faq-item {
  padding: clamp(16px, 2.2vw, 22px) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .co-faq-q {
  margin: 0;
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.5;
  color: var(--text);
}

.page-contact .co-faq-q::before {
  content: "—";
  margin-right: 10px;
  color: var(--accent);
}

.page-contact .co-faq-a {
  margin: 10px 0 0;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 46em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .co-dir-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .co-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .co-channel {
    grid-template-columns: 8.5em minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }

  .page-contact .co-kit-list li {
    grid-template-columns: 12em minmax(0, 1fr);
    grid-template-rows: auto auto;
    column-gap: 18px;
  }

  .page-contact .co-kit-name {
    grid-column: 1;
    grid-row: 1;
  }

  .page-contact .co-kit-meta {
    grid-column: 1;
    grid-row: 2;
  }

  .page-contact .co-kit-desc {
    grid-column: 2;
    grid-row: 1 / span 2;
  }
}

@media (min-width: 960px) {
  .page-contact .co-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-contact .co-kit-shell {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-contact .co-contact-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-contact .co-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .co-dir-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .co-dir-card:nth-child(2) {
    transform: translateY(18px);
  }

  .page-contact .co-step:nth-child(even) {
    transform: translateY(14px);
  }
}
</｜｜DSML｜｜ parameter>
</invoke>
</｜｜DSML｜｜>