.page-contact {
  --pc-line: rgba(247, 244, 239, .12);
  --pc-surface: rgba(247, 244, 239, .045);
  --pc-surface-2: rgba(247, 244, 239, .085);
  --pc-pad: clamp(22px, 3vw, 34px);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(32px, 5vw, 68px) clamp(44px, 7vw, 96px);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -16%;
  width: min(760px, 96vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 77, 28, .26), rgba(255, 77, 28, 0) 62%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .pc-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 54px);
}

.page-contact .pc-hero__copy { min-width: 0; }

.page-contact .pc-hero__title {
  margin: 20px 0 0;
  font-family: var(--font-display);
  font-size: clamp(42px, 10vw, 104px);
  line-height: .95;
  letter-spacing: -.045em;
  color: var(--c-white);
}

.page-contact .pc-hero__title em {
  display: block;
  font-style: normal;
  color: var(--c-orange);
}

.page-contact .pc-hero__lead {
  margin-top: clamp(18px, 3vw, 28px);
  max-width: 60ch;
}

.page-contact .pc-hero__lead a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 216, 255, .45);
}

.page-contact .pc-mailbox {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-top: clamp(26px, 4vw, 40px);
  padding: 18px 20px;
  border: 1px solid var(--pc-line);
  border-left: 3px solid var(--c-orange);
  border-radius: var(--radius);
  background: var(--pc-surface);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-contact .pc-mailbox__label {
  flex: 0 0 100%;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-gray);
}

.page-contact .pc-mailbox__addr {
  flex: 1 1 260px;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.3vw, 21px);
  line-height: 1.35;
  color: var(--c-cyan);
  overflow-wrap: anywhere;
}

.page-contact .pc-mailbox__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-gray);
  max-width: 58ch;
}

.page-contact .pc-hero__figure {
  margin: 0;
  min-width: 0;
}

@media (min-width: 900px) {
  .page-contact .pc-hero__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: end;
  }

  .page-contact .pc-hero__figure {
    transform: rotate(-1.6deg);
  }
}

/* ---------- 章节通用 ---------- */
.page-contact .pc-band {
  padding-block: clamp(40px, 6.5vw, 92px);
}

.page-contact .pc-band__head {
  max-width: 740px;
  margin-bottom: clamp(26px, 4vw, 48px);
}

.page-contact .pc-band__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(27px, 4.6vw, 46px);
  line-height: 1.1;
  letter-spacing: -.03em;
  color: var(--c-white);
}

.page-contact .pc-band__lead {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-gray);
}

.page-contact .pc-band__lead a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 216, 255, .45);
}

/* ---------- 01 电话与地址 ---------- */
.page-contact .pc-direct__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-contact .pc-direct__card {
  position: relative;
  overflow: hidden;
  min-width: 0;
  padding: var(--pc-pad);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: var(--pc-surface);
  transition: background .3s var(--ease), border-color .3s var(--ease);
}

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

.page-contact .pc-direct__card--phone { border-left: 3px solid var(--c-orange); }
.page-contact .pc-direct__card--addr { border-left: 3px solid var(--c-cyan); }

.page-contact .pc-direct__card:hover,
.page-contact .pc-direct__card:focus-within {
  background: var(--pc-surface-2);
  border-color: var(--line-strong);
}

.page-contact .pc-direct__card--addr::after {
  content: "";
  position: absolute;
  right: -34px;
  bottom: -34px;
  width: 200px;
  height: 150px;
  background-image:
    linear-gradient(rgba(0, 216, 255, .2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 216, 255, .2) 1px, transparent 1px);
  background-size: 22px 22px;
  transform: rotate(-8deg);
  opacity: .45;
  pointer-events: none;
  transition: opacity .35s var(--ease);
  z-index: 0;
}

.page-contact .pc-direct__card--addr:hover::after,
.page-contact .pc-direct__card--addr:focus-within::after {
  opacity: .95;
}

.page-contact .pc-direct__value {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--c-white);
  overflow-wrap: anywhere;
}

.page-contact .pc-direct__value--sm {
  font-size: clamp(20px, 3.3vw, 30px);
  line-height: 1.4;
}

.page-contact .pc-direct__text {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-gray);
}

.page-contact .pc-direct__card .copy-btn {
  margin-top: 18px;
}

@media (min-width: 800px) {
  .page-contact .pc-direct__grid {
    grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
    align-items: start;
  }
}

/* ---------- 02 反馈类型 ---------- */
.page-contact .pc-types__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 46px);
  align-items: center;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-contact .pc-types__figure { margin: 0; min-width: 0; }

.page-contact .pc-types__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 22px);
}

.page-contact .pc-type {
  min-width: 0;
  padding: var(--pc-pad);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: var(--pc-surface);
  transition: transform .28s var(--ease), background .28s var(--ease), border-color .28s var(--ease);
}

.page-contact .pc-type--fix { border-top: 3px solid var(--c-orange); }
.page-contact .pc-type--data { border-top: 3px solid var(--c-cyan); }
.page-contact .pc-type--partner { border-top: 3px solid var(--c-amber); }

.page-contact .pc-type:hover,
.page-contact .pc-type:focus-within {
  transform: translateY(-4px);
  background: var(--pc-surface-2);
  border-color: var(--line-strong);
}

.page-contact .pc-type__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--c-white);
}

.page-contact .pc-type__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-gray);
}

.page-contact .pc-type__text a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 216, 255, .45);
}

.page-contact .pc-type__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .pc-type__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-white);
  opacity: .82;
}

.page-contact .pc-type__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--c-gray);
}

.page-contact .pc-type--fix .pc-type__list li::before { background: var(--c-orange); }
.page-contact .pc-type--data .pc-type__list li::before { background: var(--c-cyan); }
.page-contact .pc-type--partner .pc-type__list li::before { background: var(--c-amber); }

@media (min-width: 720px) {
  .page-contact .pc-types__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .pc-types__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, .78fr);
  }
}

/* ---------- 03 邮件格式 ---------- */
.page-contact .pc-format__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-contact .pc-format__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pcstep;
}

.page-contact .pc-format__list li {
  counter-increment: pcstep;
  position: relative;
  padding: 18px 20px 18px 66px;
  border-top: 1px solid var(--pc-line);
  background: linear-gradient(90deg, rgba(247, 244, 239, .055), rgba(247, 244, 239, 0));
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-gray);
  transition: background .3s var(--ease);
}

.page-contact .pc-format__list li:last-child {
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-format__list li:hover {
  background: linear-gradient(90deg, rgba(0, 216, 255, .09), rgba(247, 244, 239, 0));
}

.page-contact .pc-format__list li::before {
  content: counter(pcstep, decimal-leading-zero);
  position: absolute;
  left: 20px;
  top: 19px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--c-orange);
}

.page-contact .pc-format__list strong {
  color: var(--c-white);
  font-weight: 700;
}

.page-contact .pc-format__sample {
  min-width: 0;
  padding: var(--pc-pad);
  border: 1px solid rgba(247, 244, 239, .16);
  border-radius: var(--radius);
  background: linear-gradient(158deg, var(--c-indigo), #201a4d 78%);
}

.page-contact .pc-format__sample-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(247, 244, 239, .62);
}

.page-contact .pc-format__subject {
  margin: 14px 0 16px;
  padding: 14px 16px;
  border-radius: 10px;
  background: rgba(11, 14, 19, .45);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-amber);
  overflow-wrap: anywhere;
}

.page-contact .pc-format__sample-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 244, 239, .78);
}

@media (min-width: 900px) {
  .page-contact .pc-format__layout {
    grid-template-columns: minmax(0, 1.36fr) minmax(0, .64fr);
  }
}

/* ---------- 04 处理节奏 ---------- */
.page-contact .pc-cadence__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

.page-contact .pc-cadence__stats {
  display: grid;
  gap: 14px;
}

.page-contact .pc-cadence__stat {
  padding: 20px 22px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: var(--pc-surface);
}

.page-contact .pc-cadence__num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.2vw, 40px);
  line-height: 1.08;
  letter-spacing: -.03em;
  color: var(--c-orange);
  overflow-wrap: anywhere;
}

.page-contact .pc-cadence__num--cyan { color: var(--c-cyan); }

.page-contact .pc-cadence__label {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-gray);
}

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

.page-contact .pc-timeline li {
  position: relative;
  padding: 20px 0 20px 36px;
  border-bottom: 1px solid var(--pc-line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-gray);
}

.page-contact .pc-timeline li:first-child {
  border-top: 1px solid var(--pc-line);
}

.page-contact .pc-timeline li::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 28px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--c-black);
  border: 2px solid var(--c-cyan);
}

.page-contact .pc-timeline li::after {
  content: "";
  position: absolute;
  left: 10px;
  top: 41px;
  bottom: -1px;
  width: 2px;
  background: linear-gradient(180deg, rgba(0, 216, 255, .38), rgba(0, 216, 255, 0));
}

.page-contact .pc-timeline li:last-child::after { display: none; }

.page-contact .pc-timeline strong {
  display: block;
  margin-bottom: 5px;
  color: var(--c-white);
  font-weight: 700;
}

@media (min-width: 900px) {
  .page-contact .pc-cadence__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  }
}

/* ---------- 05 站点信息 ---------- */
.page-contact .pc-site__panel {
  padding: clamp(24px, 4vw, 46px);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: var(--pc-surface);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-contact .pc-site__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--c-white);
}

.page-contact .pc-site__list {
  margin: clamp(22px, 3vw, 34px) 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .pc-site__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  min-width: 0;
  padding: 14px 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-site__key {
  flex: 0 0 92px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-gray);
}

.page-contact .pc-site__val {
  flex: 1 1 200px;
  min-width: 0;
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-white);
  overflow-wrap: anywhere;
}

.page-contact .pc-site__note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  max-width: 70ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-gray);
}

.page-contact .pc-site__note a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 216, 255, .45);
}

@media (min-width: 720px) {
  .page-contact .pc-site__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 4vw, 52px);
  }
}
<<<END>>>