.page-contact {
  --pc-gold-line: rgba(233, 180, 76, 0.42);
  --pc-cyan-line: rgba(63, 216, 206, 0.26);
  color: var(--db-text);
  font-family: var(--db-font-body);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .db-crumbs {
  max-width: var(--db-max);
  margin: 0 auto;
  padding: 18px var(--db-pad) 0;
  font-family: var(--db-font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--db-muted);
}
.page-contact .db-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .db-crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--db-line);
}
.page-contact .db-crumbs a {
  color: var(--db-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--db-ease), border-color 200ms var(--db-ease);
}
.page-contact .db-crumbs a:hover,
.page-contact .db-crumbs a:focus-visible {
  color: var(--db-cyan);
  border-bottom-color: var(--db-cyan);
}
.page-contact .db-crumbs [aria-current="page"] {
  color: var(--db-text);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  margin-top: 16px;
  border-top: 1px solid var(--db-line);
  border-bottom: 1px solid var(--db-line);
  background:
    radial-gradient(90% 130% at 88% 0%, rgba(63, 216, 206, 0.10), transparent 62%),
    radial-gradient(80% 110% at 0% 100%, rgba(233, 180, 76, 0.07), transparent 60%),
    linear-gradient(180deg, var(--db-console) 0%, var(--db-ink) 100%);
}
.page-contact .pc-hero__inner {
  max-width: var(--db-max);
  margin: 0 auto;
  padding: clamp(30px, 6vw, 62px) var(--db-pad) clamp(26px, 5vw, 52px);
  display: grid;
  gap: clamp(22px, 4vw, 46px);
  align-items: center;
}
.page-contact .pc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--db-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--db-cyan);
}
.page-contact .pc-eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--db-gold);
  flex: 0 0 auto;
}
.page-contact .pc-hero__title {
  margin: 0 0 16px;
  font-family: var(--db-font-head);
  font-weight: 800;
  font-size: clamp(27px, 6vw, 44px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--db-text);
}
.page-contact .pc-hero__lead {
  margin: 0 0 26px;
  max-width: 34em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--db-muted);
}
.page-contact .pc-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .pc-hero__fig {
  margin: 0;
  border: 1px solid var(--db-line);
  border-radius: var(--db-radius);
  overflow: hidden;
  background: linear-gradient(150deg, var(--db-panel), var(--db-ink));
  box-shadow: 0 0 0 1px rgba(233, 180, 76, 0.10), 0 34px 80px -46px rgba(0, 0, 0, 0.95);
}
.page-contact .pc-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}
@media (min-width: 900px) {
  .page-contact .pc-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
    gap: clamp(32px, 5vw, 64px);
  }
}

/* ---------- 索引带 ---------- */
.page-contact .pc-indexwrap {
  background: var(--db-ink);
  border-bottom: 1px solid var(--db-line);
}
.page-contact .pc-index {
  max-width: var(--db-max);
  margin: 0 auto;
  padding: 14px var(--db-pad);
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-contact .pc-index::-webkit-scrollbar {
  display: none;
}
.page-contact .pc-index__item {
  flex: 0 0 auto;
  padding: 7px 13px;
  font-family: var(--db-font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  white-space: nowrap;
  color: var(--db-muted);
  text-decoration: none;
  background: var(--db-console);
  border: 1px solid var(--db-line);
  border-radius: var(--db-radius);
  transition: color 200ms var(--db-ease), border-color 200ms var(--db-ease), background 200ms var(--db-ease);
}
.page-contact .pc-index__item:hover,
.page-contact .pc-index__item:focus-visible {
  color: var(--db-text);
  border-color: var(--db-gold);
  background: var(--db-panel);
}

/* ---------- 区块骨架 ---------- */
.page-contact .pc-band {
  border-bottom: 1px solid var(--db-line);
}
.page-contact .pc-band--ink {
  background: var(--db-ink);
}
.page-contact .pc-band--console {
  background: var(--db-console);
}
.page-contact .pc-sec {
  max-width: var(--db-max);
  margin: 0 auto;
  padding: clamp(38px, 7vw, 76px) var(--db-pad);
}
.page-contact .pc-sec__head {
  margin-bottom: clamp(24px, 4vw, 40px);
}
.page-contact .pc-sec__title {
  margin: 0 0 12px;
  font-family: var(--db-font-head);
  font-weight: 750;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.32;
  letter-spacing: -0.015em;
  color: var(--db-text);
}
.page-contact .pc-sec__lead {
  margin: 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--db-muted);
}

/* ---------- 合作方向 ---------- */
.page-contact .pc-dirs {
  display: grid;
  gap: 1px;
  background: var(--db-line);
  border: 1px solid var(--db-line);
  border-radius: var(--db-radius);
  overflow: hidden;
}
.page-contact .pc-dir {
  position: relative;
  padding: 20px 18px;
  background: var(--db-console);
  transition: background 220ms var(--db-ease);
}
.page-contact .pc-dir::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--db-gold);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 220ms var(--db-ease);
}
.page-contact .pc-dir:hover {
  background: var(--db-panel);
}
.page-contact .pc-dir:hover::before,
.page-contact .pc-dir[open]::before {
  transform: scaleY(1);
}
.page-contact .pc-dir > summary {
  display: block;
  list-style: none;
  cursor: pointer;
}
.page-contact .pc-dir > summary::-webkit-details-marker {
  display: none;
}
.page-contact .pc-dir > summary:focus-visible {
  outline: 2px solid var(--db-cyan);
  outline-offset: 4px;
}
.page-contact .pc-dir__num {
  display: block;
  font-family: var(--db-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--db-gold);
}
.page-contact .pc-dir__name {
  display: block;
  margin: 10px 0 6px;
  font-family: var(--db-font-head);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.35;
  color: var(--db-text);
}
.page-contact .pc-dir__meta {
  display: block;
  font-family: var(--db-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--db-cyan);
}
.page-contact .pc-dir__body {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--db-line);
}
.page-contact .pc-dir__text {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--db-muted);
}
.page-contact .pc-dir__fit {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--db-text);
  padding-left: 12px;
  border-left: 1px solid var(--pc-gold-line);
}
@media (min-width: 720px) {
  .page-contact .pc-dirs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1080px) {
  .page-contact .pc-dirs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 流程阶梯 ---------- */
.page-contact .pc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 28px;
}
.page-contact .pc-step__rail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.page-contact .pc-step__num {
  flex: 0 0 auto;
  padding: 3px 9px;
  font-family: var(--db-font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--db-gold);
  border: 1px solid var(--pc-gold-line);
  border-radius: var(--db-radius);
}
.page-contact .pc-step__line {
  flex: 1 1 auto;
  min-width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--pc-gold-line), transparent);
}
.page-contact .pc-step__title {
  margin: 0 0 10px;
  font-family: var(--db-font-head);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--db-text);
}
.page-contact .pc-step__text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--db-muted);
}
.page-contact .pc-step__out {
  display: flex;
  align-items: baseline;
  gap: 9px;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--db-text);
}
@media (min-width: 880px) {
  .page-contact .pc-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 34px;
  }
}

/* ---------- 通道面板 ---------- */
.page-contact .pc-channel__panel {
  display: grid;
  gap: 1px;
  background: var(--db-line);
  border: 1px solid var(--pc-gold-line);
  border-radius: var(--db-radius);
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(233, 180, 76, 0.07), 0 40px 80px -50px rgba(0, 0, 0, 0.95);
}
.page-contact .pc-channel__cell {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 3vw, 28px);
  background: linear-gradient(160deg, var(--db-panel) 0%, var(--db-console) 100%);
}
.page-contact .pc-channel__label {
  font-family: var(--db-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--db-cyan);
}
.page-contact .pc-channel__value {
  font-family: var(--db-font-mono);
  font-size: clamp(15px, 2.2vw, 21px);
  line-height: 1.42;
  letter-spacing: 0.01em;
  color: var(--db-text);
  overflow-wrap: anywhere;
  word-break: break-word;
}
.page-contact .pc-channel__use {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--db-muted);
}
@media (min-width: 900px) {
  .page-contact .pc-channel__panel {
    grid-template-columns: 1.5fr 1fr 1.2fr;
  }
}

/* ---------- 材料清单 ---------- */
.page-contact .pc-checkwrap {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}
.page-contact .pc-check {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--db-line);
}
.page-contact .pc-check__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 10px;
  border-bottom: 1px solid var(--db-line);
  transition: background 200ms var(--db-ease);
}
.page-contact .pc-check__item:hover {
  background: var(--db-panel);
}
.page-contact .pc-check__box {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  background: var(--db-ink);
  border: 1px solid var(--db-line);
  border-radius: 2px;
  transition: border-color 200ms var(--db-ease);
}
.page-contact .pc-check__item:hover .pc-check__box {
  border-color: var(--db-gold);
}
.page-contact .pc-check__item:hover .pc-check__box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border-right: 1.5px solid var(--db-gold);
  border-bottom: 1.5px solid var(--db-gold);
  transform: rotate(42deg);
}
.page-contact .pc-check__text {
  flex: 1 1 auto;
  font-size: 15px;
  line-height: 1.72;
  color: var(--db-text);
}
.page-contact .pc-check__hint {
  flex: 0 0 auto;
  align-self: center;
  font-family: var(--db-font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--db-muted);
  white-space: nowrap;
}
.page-contact .pc-check__fig {
  margin: 0;
  border: 1px solid var(--db-line);
  border-radius: var(--db-radius);
  overflow: hidden;
  background: linear-gradient(150deg, var(--db-panel), var(--db-ink));
}
.page-contact .pc-check__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}
.page-contact .pc-check__fig figcaption {
  display: block;
  padding: 12px 16px;
  font-family: var(--db-font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--db-muted);
  border-top: 1px solid var(--db-line);
  background: var(--db-console);
}
@media (min-width: 900px) {
  .page-contact .pc-checkwrap {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
}

/* ---------- 响应节奏 ---------- */
.page-contact .pc-metrics {
  list-style: none;
  margin: 0 0 clamp(24px, 4vw, 36px);
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--db-line);
  border: 1px solid var(--db-line);
  border-radius: var(--db-radius);
  overflow: hidden;
}
.page-contact .pc-metrics__item {
  padding: 22px 20px;
  background: var(--db-console);
}
.page-contact .pc-metrics__num {
  display: block;
  margin-bottom: 9px;
  font-family: var(--db-font-mono);
  font-size: clamp(20px, 2.6vw, 27px);
  letter-spacing: 0.02em;
  color: var(--db-gold);
}
.page-contact .pc-metrics__label {
  display: block;
  font-size: 14px;
  line-height: 1.72;
  color: var(--db-muted);
}
@media (min-width: 760px) {
  .page-contact .pc-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .pc-note {
  margin: 0 0 14px;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--db-muted);
}
.page-contact .pc-note:last-child {
  margin-bottom: 0;
}
.page-contact .pc-note a {
  color: var(--db-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--pc-cyan-line);
  transition: color 200ms var(--db-ease), border-color 200ms var(--db-ease);
}
.page-contact .pc-note a:hover,
.page-contact .pc-note a:focus-visible {
  color: var(--db-gold);
  border-bottom-color: var(--db-gold);
}
<<<END>>>