.page-contact {
  --pc-gap: clamp(20px, 3.2vw, 40px);
  --pc-pad: clamp(40px, 6vw, 80px);
  --pc-line: rgba(47, 111, 108, 0.28);
  background: var(--dk-paper);
  color: var(--dk-ink);
  font-family: var(--dk-font-body);
}

.page-contact .dk-container {
  padding-left: clamp(16px, 4vw, 40px);
  padding-right: clamp(16px, 4vw, 40px);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding: clamp(18px, 3vw, 32px) 0 clamp(36px, 5vw, 64px);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(231, 201, 169, 0.55) 0%, rgba(231, 201, 169, 0) 58%),
    linear-gradient(180deg, var(--dk-snow) 0%, var(--dk-paper) 88%);
  border-bottom: 2px solid var(--dk-ink);
}

.page-contact .dk-breadcrumb {
  font-family: var(--dk-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--dk-slate);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .dk-breadcrumb a {
  color: var(--dk-teal);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}

.page-contact .dk-breadcrumb a:hover,
.page-contact .dk-breadcrumb a:focus-visible {
  color: var(--dk-orange);
}

.page-contact .pc-hero__head {
  max-width: 54ch;
}

.page-contact .pc-hero__head .dk-eyebrow {
  font-family: var(--dk-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--dk-sand-deep);
  text-transform: uppercase;
  margin: 0 0 12px;
  padding-left: 26px;
  position: relative;
}

.page-contact .pc-hero__head .dk-eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 18px;
  height: 3px;
  background: var(--dk-orange);
}

.page-contact .pc-hero__head h1.dk-title {
  font-family: var(--dk-font-display);
  font-size: clamp(32px, 5.4vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 0 0 16px;
  color: var(--dk-ink);
}

.page-contact .pc-hero__head .dk-lede {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: #2b4a48;
  margin: 0;
}

.page-contact .pc-hero__body {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(26px, 4vw, 46px);
}

/* 大号电话面板 */
.page-contact .pc-hotline {
  position: relative;
  overflow: hidden;
  background: var(--dk-ink);
  border: 2px solid var(--dk-ink);
  box-shadow: var(--dk-shadow);
  padding: clamp(22px, 3vw, 34px);
  color: var(--dk-paper);
}

.page-contact .pc-hotline::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(112deg, rgba(182, 255, 59, 0.09) 0 2px, transparent 2px 24px);
  pointer-events: none;
}

.page-contact .pc-hotline::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -70px;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 90, 31, 0.42) 0%, rgba(255, 90, 31, 0) 68%);
  pointer-events: none;
}

.page-contact .pc-hotline > * {
  position: relative;
  z-index: 1;
}

.page-contact .pc-hotline__label {
  font-family: var(--dk-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: rgba(247, 245, 239, 0.66);
  margin: 0 0 8px;
}

.page-contact .pc-hotline__num {
  font-family: var(--dk-font-mono);
  font-size: clamp(30px, 6vw, 52px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--dk-lime);
  margin: 0 0 14px;
  word-break: break-all;
}

.page-contact .pc-hotline__hours {
  display: inline-block;
  font-family: var(--dk-font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--dk-ink);
  background: var(--dk-orange);
  padding: 6px 12px;
  margin: 0 0 16px;
  border: 2px solid var(--dk-ink);
}

.page-contact .pc-hotline__tail {
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(247, 245, 239, 0.82);
  margin: 0;
  max-width: 42ch;
}

/* 回复节奏面板 */
.page-contact .pc-window {
  border: 2px solid var(--dk-ink);
  background: var(--dk-paper);
  box-shadow: var(--dk-shadow-soft);
}

.page-contact .pc-window__title {
  margin: 0;
  background: var(--dk-teal);
  color: var(--dk-paper);
  font-family: var(--dk-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  padding: 11px 16px;
  border-bottom: 2px solid var(--dk-ink);
}

.page-contact .pc-window__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .pc-window__list li {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-window__list li:nth-child(odd) {
  background: rgba(220, 239, 239, 0.5);
}

.page-contact .pc-window__list li:last-child {
  border-bottom: 0;
}

.page-contact .pc-window__k {
  font-family: var(--dk-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--dk-sand-deep);
}

.page-contact .pc-window__v {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--dk-ink);
}

/* ---------- 01 渠道 ---------- */
.page-contact .pc-channels {
  padding: var(--pc-pad) 0;
  background: var(--dk-sand);
  border-bottom: 2px solid var(--dk-ink);
}

.page-contact .dk-section__head {
  max-width: 48ch;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-contact .dk-section__head .dk-eyebrow,
.page-contact .pc-tech__intro .dk-eyebrow,
.page-contact .pc-note__head .dk-eyebrow,
.page-contact .pc-locate__text .dk-eyebrow {
  font-family: var(--dk-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--dk-sand-deep);
  margin: 0 0 12px;
  padding-left: 26px;
  position: relative;
}

.page-contact .dk-section__head .dk-eyebrow::before,
.page-contact .pc-tech__intro .dk-eyebrow::before,
.page-contact .pc-note__head .dk-eyebrow::before,
.page-contact .pc-locate__text .dk-eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 18px;
  height: 3px;
  background: var(--dk-orange);
}

.page-contact .dk-section__head h2.dk-title,
.page-contact .pc-tech__intro h2.dk-title,
.page-contact .pc-note__head h2.dk-title,
.page-contact .pc-locate__text h2.dk-title {
  font-family: var(--dk-font-display);
  font-size: clamp(26px, 3.6vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  font-weight: 800;
  margin: 0 0 12px;
  color: var(--dk-ink);
}

.page-contact .dk-section__head .dk-lede {
  font-size: 15px;
  line-height: 1.76;
  color: #3d4b49;
  margin: 0;
}

.page-contact .pc-channels__grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .pc-media {
  margin: 0;
  border: 2px solid var(--dk-ink);
  background: var(--dk-snow);
  box-shadow: var(--dk-shadow);
}

.page-contact .pc-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .pc-media figcaption {
  font-family: var(--dk-font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--dk-ink);
  background: var(--dk-paper);
  border-top: 2px solid var(--dk-ink);
  padding: 10px 14px;
}

.page-contact .pc-channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .pc-channel {
  background: var(--dk-paper);
  border: 2px solid var(--dk-ink);
  box-shadow: var(--dk-shadow-soft);
  padding: clamp(16px, 2.4vw, 24px);
  transition: transform var(--dk-ease), box-shadow var(--dk-ease), border-color var(--dk-ease);
}

.page-contact .pc-channel:hover,
.page-contact .pc-channel:focus-within {
  transform: translate(-2px, -2px);
  border-color: var(--dk-orange);
  box-shadow: var(--dk-shadow);
}

.page-contact .pc-channel__top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-contact .pc-channel .dk-tag {
  flex: none;
  font-family: var(--dk-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  background: var(--dk-teal);
  color: var(--dk-paper);
  border: 2px solid var(--dk-ink);
  padding: 3px 8px;
}

.page-contact .pc-channel__name {
  font-family: var(--dk-font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  letter-spacing: -0.01em;
  font-weight: 700;
  margin: 0;
  color: var(--dk-ink);
}

.page-contact .pc-channel__val {
  font-family: var(--dk-font-mono);
  font-size: 14px;
  letter-spacing: 0.01em;
  color: var(--dk-ink);
  background: var(--dk-snow);
  border-left: 4px solid var(--dk-orange);
  padding: 7px 10px;
  margin: 0 0 12px;
  word-break: break-all;
}

.page-contact .pc-channel__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: #33474a;
}

/* ---------- 02 技术 ---------- */
.page-contact .pc-tech {
  padding: var(--pc-pad) 0;
  background: var(--dk-ink);
  color: var(--dk-paper);
  border-bottom: 2px solid var(--dk-ink);
}

.page-contact .pc-tech__grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .pc-tech__intro .dk-eyebrow {
  color: var(--dk-lime);
}

.page-contact .pc-tech__intro h2.dk-title {
  color: var(--dk-paper);
}

.page-contact .pc-tech__intro .pc-prose {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 245, 239, 0.8);
  margin: 0 0 14px;
  max-width: 46ch;
}

.page-contact .pc-tech__card {
  border: 2px solid var(--dk-lime);
  background: rgba(182, 255, 59, 0.07);
  padding: clamp(20px, 2.8vw, 30px);
  box-shadow: 6px 6px 0 rgba(182, 255, 59, 0.22);
}

.page-contact .pc-tech__card-label {
  font-family: var(--dk-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: rgba(247, 245, 239, 0.6);
  margin: 0 0 14px;
}

.page-contact .pc-tech__subject {
  font-family: var(--dk-font-mono);
  font-size: clamp(20px, 3vw, 28px);
  letter-spacing: 0.02em;
  font-weight: 700;
  color: var(--dk-lime);
  margin: 0 0 4px;
}

.page-contact .pc-tech__subject-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 245, 239, 0.78);
  margin: 0 0 18px;
  padding-bottom: 18px;
  border-bottom: 1px dashed rgba(247, 245, 239, 0.24);
}

.page-contact .pc-tech__subject-desc:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
  margin-bottom: 0;
}

.page-contact .pc-tech__card-foot {
  font-family: var(--dk-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--dk-ink);
  background: var(--dk-lime);
  padding: 8px 12px;
  margin: 18px 0 0;
  word-break: break-all;
}

/* ---------- 03 合作与纠错 ---------- */
.page-contact .pc-coop {
  padding: var(--pc-pad) 0;
  background: var(--dk-paper);
  border-bottom: 2px solid var(--dk-ink);
}

.page-contact .pc-coop__grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .pc-coop__card {
  border: 2px solid var(--dk-ink);
  background: var(--dk-snow);
  padding: clamp(20px, 3vw, 32px);
}

.page-contact .pc-coop__card--b {
  background: var(--dk-paper);
  box-shadow: var(--dk-shadow);
}

.page-contact .pc-coop__title {
  font-family: var(--dk-font-display);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--dk-orange);
  color: var(--dk-ink);
}

.page-contact .pc-coop__text {
  font-size: 14.5px;
  line-height: 1.8;
  color: #33474a;
  margin: 0 0 16px;
}

.page-contact .pc-coop__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-coop__list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--dk-ink);
}

.page-contact .pc-coop__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 10px;
  background: var(--dk-teal);
}

.page-contact .pc-coop__steps {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-coop__steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.7;
  color: var(--dk-ink);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-coop__steps li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .pc-coop__num {
  font-family: var(--dk-font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--dk-paper);
  background: var(--dk-ink);
  text-align: center;
  padding: 3px 0;
}

.page-contact .pc-coop__link {
  font-family: var(--dk-font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--dk-ink);
  background: var(--dk-sand);
  border: 2px solid var(--dk-ink);
  padding: 8px 12px;
  margin: 0;
  word-break: break-all;
}

/* ---------- 04 留言要素 ---------- */
.page-contact .pc-note {
  padding: var(--pc-pad) 0;
  background: var(--dk-snow);
  border-bottom: 2px solid var(--dk-ink);
}

.page-contact .pc-note__panel {
  border: 2px solid var(--dk-ink);
  background: var(--dk-paper);
  box-shadow: var(--dk-shadow);
  padding: clamp(20px, 3.2vw, 40px);
}

.page-contact .pc-note__head {
  max-width: 50ch;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-contact .pc-note__head .pc-prose {
  font-size: 15px;
  line-height: 1.78;
  color: #3d4b49;
  margin: 0;
}

.page-contact .pc-note__fields {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 2px solid var(--dk-ink);
}

.page-contact .pc-note__fields li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-note__fields li:last-child {
  border-bottom: 0;
}

.page-contact .pc-note__idx {
  font-family: var(--dk-font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--dk-orange);
  border-top: 3px solid var(--dk-orange);
  padding-top: 2px;
}

.page-contact .pc-note__name {
  font-family: var(--dk-font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin: 0 0 6px;
  color: var(--dk-ink);
}

.page-contact .pc-note__fields p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: #3d4b49;
}

/* ---------- 05 地址与备案 ---------- */
.page-contact .pc-locate {
  padding: var(--pc-pad) 0;
  background: var(--dk-paper);
}

.page-contact .pc-locate__strip {
  display: grid;
  gap: 0;
  border: 2px solid var(--dk-ink);
  background: var(--dk-teal);
  box-shadow: var(--dk-shadow);
  overflow: hidden;
}

.page-contact .pc-locate__text {
  padding: clamp(22px, 3.2vw, 40px);
  color: var(--dk-paper);
}

.page-contact .pc-locate__text .dk-eyebrow {
  color: var(--dk-lime);
}

.page-contact .pc-locate__text h2.dk-title {
  color: var(--dk-paper);
}

.page-contact .pc-locate__facts {
  margin: 0 0 20px;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(247, 245, 239, 0.36);
}

.page-contact .pc-locate__facts > div {
  display: grid;
  gap: 3px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(247, 245, 239, 0.36);
}

.page-contact .pc-locate__facts dt {
  font-family: var(--dk-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--dk-lime);
}

.page-contact .pc-locate__facts dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--dk-paper);
  word-break: break-word;
}

.page-contact .pc-locate__more {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 245, 239, 0.84);
  margin: 0;
}

.page-contact .pc-locate__more a {
  color: var(--dk-lime);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}

.page-contact .pc-locate__more a:hover,
.page-contact .pc-locate__more a:focus-visible {
  color: var(--dk-orange);
}

.page-contact .pc-locate__art {
  background: var(--dk-ink);
  border-top: 2px solid var(--dk-ink);
}

.page-contact .pc-locate__art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  opacity: 0.9;
}

/* ---------- 键盘焦点 ---------- */
.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 3px solid var(--dk-lime);
  outline-offset: 2px;
}

/* ---------- 桌面 ---------- */
@media (min-width: 760px) {
  .page-contact .pc-hero__body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .pc-window__list li {
    grid-template-columns: 8.6em minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-contact .pc-channel-list {
    gap: 16px;
  }

  .page-contact .pc-note__fields li {
    grid-template-columns: 56px minmax(0, 1fr);
    padding: 20px 0;
  }

  .page-contact .pc-locate__strip {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: stretch;
  }

  .page-contact .pc-locate__art {
    border-top: 0;
    border-left: 2px solid var(--dk-ink);
  }

  .page-contact .pc-locate__art img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 260px;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-channels__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .page-contact .pc-tech__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .pc-coop__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .pc-coop__card--b {
    margin-top: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel {
    transition: none;
  }

  .page-contact .pc-channel:hover,
  .page-contact .pc-channel:focus-within {
    transform: none;
  }
}
<<<END>>>