.page-contact {
  --pc-hair: rgba(58, 107, 138, 0.45);
  --pc-card-bg: linear-gradient(158deg, rgba(16, 47, 74, 0.95), rgba(11, 39, 66, 0.78));
  --pc-edge: 0 0 0 1px rgba(45, 226, 230, 0.16), 0 24px 60px -40px rgba(45, 226, 230, 0.6);
  --pc-red: transparent;
  position: relative;
  overflow-x: clip;
  color: var(--paper);
  font-family: var(--font-body);
  background:
    radial-gradient(1000px 560px at 92% -6%, rgba(45, 226, 230, 0.13), transparent 60%),
    radial-gradient(760px 520px at -6% 10%, rgba(255, 122, 26, 0.1), transparent 58%),
    linear-gradient(180deg, #071A2F 0%, #0B2742 48%, #071A2F 100%);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(58, 107, 138, 0.16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(58, 107, 138, 0.16) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 68%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 68%);
}

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

.page-contact a {
  color: var(--cyan);
}

.page-contact .filter-item[hidden] {
  display: none;
}

.page-contact [data-copy][data-copied="true"] {
  border-color: var(--green);
  color: var(--green);
}

/* 首屏 */
.pc-hero {
  padding: clamp(18px, 4vw, 34px) 0 clamp(38px, 6vw, 78px);
}

.pc-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.pc-hero__title {
  margin: 14px 0 0;
  font-size: clamp(31px, 6.4vw, 62px);
  line-height: 1.05;
  letter-spacing: 0.005em;
  font-weight: 800;
  color: var(--paper);
}

.pc-hero__lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-family: var(--font-editorial);
  font-size: clamp(15px, 1.6vw, 17.5px);
  line-height: 1.9;
  color: var(--mist);
}

.pc-readout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 26px;
}

.pc-readout__item {
  border: 1px solid var(--pc-hair);
  border-left: 2px solid var(--orange);
  background: rgba(7, 26, 47, 0.55);
  padding: 10px 12px;
}

.pc-readout__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.pc-readout__v {
  display: block;
  margin-top: 4px;
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.pc-hero__figure {
  margin: 0;
}

.pc-hero-media {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--pc-hair);
  background: linear-gradient(150deg, rgba(16, 47, 74, 0.9), rgba(7, 26, 47, 0.95));
}

.pc-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.pc-hero-badge {
  position: absolute;
  left: 0;
  top: 0;
  padding: 7px 12px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink);
  background: var(--cyan);
}

.pc-hero__figure .figure__caption {
  color: var(--mist);
  font-size: 13px;
  line-height: 1.7;
  margin-top: 10px;
}

/* 章节骨架 */
.pc-section {
  padding: clamp(44px, 6.5vw, 88px) 0;
  border-top: 1px solid var(--pc-hair);
}

.pc-section--band {
  background: linear-gradient(180deg, rgba(11, 39, 66, 0.72), rgba(7, 26, 47, 0.15));
}

.pc-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px 18px;
  align-items: start;
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-contact .chapter-no {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6vw, 60px);
  line-height: 0.78;
  color: transparent;
  -webkit-text-stroke: 1px rgba(45, 226, 230, 0.45);
}

.pc-head__title {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.pc-head__sub {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* 筛选条 */
.page-contact .pc-filterbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-contact .filter-btn {
  appearance: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
  background: rgba(16, 47, 74, 0.7);
  border: 1px solid var(--pc-hair);
  padding: 9px 14px;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-contact .filter-btn:hover {
  color: var(--paper);
  border-color: rgba(45, 226, 230, 0.6);
}

.page-contact .filter-btn[aria-pressed="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}

/* 渠道卡 */
.pc-channels__grid {
  display: grid;
  gap: var(--gap);
}

.pc-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--pc-hair);
  background: var(--pc-card-bg);
  transition: border-color 0.22s ease, box-shadow 0.22s ease;
}

.pc-channel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(45, 226, 230, 0));
}

.pc-channel--phone::before {
  background: linear-gradient(90deg, var(--orange), rgba(255, 122, 26, 0));
}

.pc-channel--addr::before {
  background: linear-gradient(90deg, var(--yellow), rgba(255, 200, 87, 0));
}

.pc-channel:hover {
  border-color: rgba(45, 226, 230, 0.42);
  box-shadow: var(--pc-edge);
}

.pc-channel__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.pc-channel__state {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.pc-channel__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.3vw, 27px);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.pc-channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.6;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.pc-channel__value--addr {
  color: var(--paper);
}

.pc-channel__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.pc-channel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
  font-size: 13.5px;
  color: var(--mist);
}

.pc-channel__list li {
  position: relative;
  padding-left: 16px;
  line-height: 1.6;
}

.pc-channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--orange);
}

.pc-channel .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* 邮件准备 */
.pc-mailgrid {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
}

.pc-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.pc-check {
  border: 1px solid var(--pc-hair);
  background: rgba(16, 47, 74, 0.55);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.pc-check:hover {
  border-color: rgba(45, 226, 230, 0.4);
}

.pc-check__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.pc-check__label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  cursor: pointer;
}

.pc-check__box {
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1px solid var(--line);
  background: rgba(7, 26, 47, 0.7);
  position: relative;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.pc-check__input:focus-visible + .pc-check__label .pc-check__box {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.pc-check__input:checked + .pc-check__label .pc-check__box {
  background: var(--orange);
  border-color: var(--orange);
}

.pc-check__input:checked + .pc-check__label .pc-check__box::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 2px;
  width: 6px;
  height: 12px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(40deg);
}

.pc-check__input:checked + .pc-check__label .pc-check__title {
  color: var(--orange-soft);
}

.pc-check__text {
  display: block;
  min-width: 0;
}

.pc-check__title {
  display: block;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--paper);
}

.pc-check__body {
  display: block;
  margin-top: 5px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.pc-note {
  margin-top: 16px;
  padding: 16px 18px;
  border: 1px dashed rgba(45, 226, 230, 0.4);
  background: rgba(7, 26, 47, 0.62);
}

.pc-note__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.pc-note__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.pc-note__body.mono {
  font-family: var(--font-mono);
  color: var(--paper);
  overflow-wrap: anywhere;
}

.pc-mailside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.pc-mailfigure {
  margin: 0;
}

.pc-mailmedia {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--pc-hair);
  background: linear-gradient(150deg, rgba(16, 47, 74, 0.9), rgba(7, 26, 47, 0.95));
}

.pc-mailmedia img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.pc-mailfigure .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.pc-sidepanel {
  padding: 18px;
  border: 1px solid var(--pc-hair);
  background: rgba(16, 47, 74, 0.5);
}

.pc-sidepanel__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  color: var(--paper);
}

.pc-sidepanel__text {
  margin: 8px 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.pc-sidepanel__link {
  display: inline-block;
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 230, 0.5);
  padding-bottom: 2px;
}

/* 电话场景与回复时间 */
.pc-twocol {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.pc-scenes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: scene;
}

.pc-scenes li {
  counter-increment: scene;
  position: relative;
  padding: 14px 16px 14px 44px;
  border-left: 2px solid var(--orange);
  background: rgba(16, 47, 74, 0.5);
}

.pc-scenes li::before {
  content: "0" counter(scene);
  position: absolute;
  left: 14px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.pc-scenes strong {
  display: block;
  font-size: 15.5px;
  color: var(--paper);
}

.pc-scenes span {
  display: block;
  margin-top: 5px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.pc-reply {
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--pc-hair);
  background: var(--pc-card-bg);
}

.pc-reply__head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pc-reply__time {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--paper);
}

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

.pc-reply__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.pc-reply__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--green);
}

/* 地址与备案 */
.pc-locate {
  display: grid;
  gap: clamp(20px, 3vw, 38px);
}

.pc-map {
  position: relative;
  min-height: 250px;
  overflow: hidden;
  border: 1px solid var(--pc-hair);
  background: linear-gradient(160deg, rgba(16, 47, 74, 0.92), rgba(7, 26, 47, 0.95));
}

.pc-map::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(58, 107, 138, 0.4) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(58, 107, 138, 0.4) 1px, transparent 1px);
  background-size: 40px 40px;
}

.pc-map::after {
  content: "";
  position: absolute;
  width: 240px;
  height: 240px;
  right: -60px;
  top: -60px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45, 226, 230, 0.3), transparent 68%);
}

.pc-map__pin {
  position: absolute;
  left: 50%;
  top: 48%;
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  background: var(--orange);
  box-shadow: 0 0 0 8px rgba(255, 122, 26, 0.16), 0 0 26px rgba(255, 122, 26, 0.55);
}

.pc-map__pin::before,
.pc-map__pin::after {
  content: "";
  position: absolute;
  background: rgba(45, 226, 230, 0.6);
}

.pc-map__pin::before {
  left: 7px;
  top: -70px;
  width: 1px;
  height: 70px;
}

.pc-map__pin::after {
  left: 7px;
  top: 16px;
  width: 1px;
  height: 70px;
}

.pc-map__label {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 2;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.pc-locate__info {
  display: grid;
  gap: 14px;
  align-content: start;
}

.pc-info {
  padding: 16px 18px;
  border: 1px solid var(--pc-hair);
  background: rgba(16, 47, 74, 0.5);
}

.pc-info__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.pc-info__v {
  margin: 7px 0 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.pc-info__v.mono {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 15px;
}

.pc-info__copy {
  margin-top: 12px;
}

/* 收藏与回访 */
.pc-links {
  display: grid;
  gap: var(--gap);
}

.pc-link {
  display: block;
  padding: clamp(18px, 2.4vw, 24px);
  border: 1px solid var(--pc-hair);
  background: var(--pc-card-bg);
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.pc-link:hover {
  transform: translateY(-2px);
  border-color: rgba(45, 226, 230, 0.5);
  box-shadow: var(--pc-edge);
}

.pc-link__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.pc-link__title {
  display: block;
  margin-top: 8px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 800;
  color: var(--paper);
}

.pc-link__desc {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.pc-legalrow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 28px;
  font-size: 13.5px;
}

.pc-legalrow a {
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 230, 0.4);
  padding-bottom: 2px;
}

.pc-legalrow a:hover {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

/* 断点 */
@media (min-width: 640px) {
  .pc-readout {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .pc-channels__grid {
    grid-template-columns: 1.24fr 1fr 0.9fr;
    align-items: stretch;
  }

  .pc-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .pc-twocol {
    grid-template-columns: 1.08fr 0.92fr;
    align-items: start;
  }

  .pc-locate {
    grid-template-columns: 0.92fr 1.08fr;
    align-items: stretch;
  }
}

@media (min-width: 900px) {
  .pc-mailgrid {
    grid-template-columns: 1.34fr 0.84fr;
    align-items: start;
  }
}

@media (min-width: 940px) {
  .pc-hero__inner {
    grid-template-columns: 1.06fr 0.94fr;
  }
}

@media (max-width: 520px) {
  .pc-head {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-contact .chapter-no {
    font-size: 30px;
    line-height: 1;
  }

  .pc-hero__actions .btn {
    width: 100%;
  }

  .pc-channel .btn {
    align-self: stretch;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .filter-btn,
  .page-contact .pc-link,
  .page-contact .pc-check,
  .page-contact .pc-check__box {
    transition: none;
  }

  .page-contact .pc-link:hover {
    transform: none;
  }
}
<<<END>>>