.page-contact {
  --pc-warm: var(--orange);
  --pc-gap: clamp(24px, 4vw, 52px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-contact h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 6.4vw, 66px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 10px 0 18px;
  text-wrap: balance;
}

.page-contact h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.8vw, 42px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--white);
  margin: 0;
}

/* ---------- hero ---------- */
.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .contact-lead {
  max-width: 42ch;
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.76);
}

.page-contact .contact-quick {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-quick li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: var(--panel-deep);
  color: var(--ice);
}

.page-contact .contact-quick li.is-warm {
  border-color: rgba(255, 122, 47, 0.55);
  color: var(--pc-warm);
}

.page-contact .contact-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-hero-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--panel-deep);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 36px), calc(100% - 36px) 100%, 0 100%);
}

.page-contact .contact-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .contact-hero-figure .figure-caption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 9px 14px;
  background: var(--ink);
  border-top: 1px solid var(--line-strong);
  color: var(--ice);
  letter-spacing: 0.08em;
}

@media (min-width: 960px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }
}

/* ---------- section head ---------- */
.page-contact .contact-head {
  display: grid;
  gap: 10px;
  max-width: 64ch;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-contact .contact-head-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.66);
}

/* ---------- 三条通道 ---------- */
.page-contact .contact-line-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .contact-line {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px);
  background: linear-gradient(152deg, var(--panel) 0%, var(--panel-deep) 100%);
  border: 1px solid var(--line);
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-contact .contact-line:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-contact .contact-line-idx {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ice);
}

.page-contact .contact-line h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
  margin: 8px 0 14px;
}

.page-contact .contact-line-value {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 2.5vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--lime);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-line-value--address {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 14px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  color: var(--cream);
}

.page-contact .contact-line-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(255, 255, 255, 0.66);
}

.page-contact .contact-tip {
  margin: 18px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--pc-warm);
  background: rgba(255, 122, 47, 0.08);
  color: var(--cream);
  font-size: 14px;
  line-height: 1.78;
}

@media (min-width: 720px) {
  .page-contact .contact-line-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-contact .contact-line-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 合作类型 ---------- */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .partner-card {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--cream);
  color: var(--brown);
  border: 1px solid rgba(35, 26, 20, 0.16);
  overflow: hidden;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-contact .partner-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.32);
}

.page-contact .partner-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 28px;
  height: 28px;
  background: var(--ember);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-contact .partner-tag {
  display: inline-block;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  padding: 4px 8px;
  background: var(--brown);
  color: var(--cream);
}

.page-contact .partner-card h3 {
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin: 12px 0 0;
  color: var(--brown);
}

.page-contact .partner-card dl {
  margin: 14px 0 0;
  display: grid;
  gap: 12px;
}

.page-contact .partner-card dt {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: rgba(35, 26, 20, 0.6);
  margin-bottom: 4px;
}

.page-contact .partner-card dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--brown);
}

@media (min-width: 720px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 合作流程 ---------- */
.page-contact .flow-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-contact .contact-flow-figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel-deep);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-contact .contact-flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .flow-item {
  position: relative;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.page-contact .flow-item::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--ice);
  transition: background 180ms var(--ease), transform 180ms var(--ease);
}

.page-contact .flow-item:hover::before {
  background: var(--lime);
  transform: scale(1.35);
}

.page-contact .flow-item summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 4px 0 6px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .flow-num {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--ice);
}

.page-contact .flow-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--white);
  transition: color 180ms var(--ease);
}

.page-contact .flow-item:hover .flow-title {
  color: var(--ice);
}

.page-contact .flow-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--steel);
}

.page-contact .flow-item details[open] summary::after {
  content: "−";
  color: var(--lime);
}

.page-contact .flow-body {
  padding: 2px 0 10px;
}

.page-contact .flow-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
}

.page-contact .contact-flow-note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.62);
}

.page-contact .contact-flow-note a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 216, 255, 0.4);
}

.page-contact .contact-flow-note a:hover {
  border-bottom-color: var(--ice);
}

@media (min-width: 980px) {
  .page-contact .flow-layout {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 34px;
    align-items: start;
  }
}

/* ---------- 响应节奏 ---------- */
.page-contact .sla-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .sla-item {
  background: var(--panel-deep);
  padding: clamp(20px, 3vw, 32px);
}

.page-contact .sla-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.page-contact .sla-unit {
  display: block;
  margin-top: 8px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--ice);
}

.page-contact .sla-item p {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(255, 255, 255, 0.68);
}

@media (min-width: 760px) {
  .page-contact .sla-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 收束 ---------- */
.page-contact .signoff-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 48px);
  background: var(--cream);
  color: var(--brown);
}

.page-contact .signoff-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(35, 26, 20, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35, 26, 20, 0.09) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(circle at 82% 26%, #000 0%, transparent 66%);
  mask-image: radial-gradient(circle at 82% 26%, #000 0%, transparent 66%);
}

.page-contact .signoff-inner {
  position: relative;
  z-index: 1;
  max-width: 68ch;
}

.page-contact .signoff-panel .kicker {
  color: rgba(35, 26, 20, 0.62);
}

.page-contact .signoff-panel h2 {
  color: var(--brown);
  margin-bottom: 6px;
}

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

.page-contact .signoff-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-top: 10px;
  border-top: 1px solid rgba(35, 26, 20, 0.18);
  font-size: 14px;
  line-height: 1.75;
  color: var(--brown);
}

.page-contact .signoff-list .mono {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ember);
}

.page-contact .signoff-note {
  margin: 22px 0 24px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(35, 26, 20, 0.82);
  overflow-wrap: anywhere;
}

.page-contact .signoff-note a {
  color: var(--brown);
  font-weight: 500;
  border-bottom: 1px solid rgba(35, 26, 20, 0.45);
  text-decoration: none;
}

.page-contact .signoff-note a:hover {
  border-bottom-color: var(--ember);
  color: var(--ember);
}

.page-contact .signoff-panel .btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

@media (max-width: 520px) {
  .page-contact .contact-line-value {
    font-size: 19px;
  }

  .page-contact .signoff-list li {
    gap: 8px;
  }
}
<<<END>>>