.page-contact {
  --pc-line: rgba(154, 166, 184, .16);
  --pc-line-soft: rgba(154, 166, 184, .1);
  --pc-panel: #141B2B;
  --pc-mail: #2E6BFF;
  --pc-tel: #FF6A2B;
  --pc-post: #37F5A0;
  overflow-x: clip;
  padding-bottom: clamp(56px, 8vw, 120px);
}

/* ---------- 面包屑区 ---------- */
.page-contact .pc-topbar {
  padding-top: clamp(20px, 3.4vw, 40px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(26px, 4.4vw, 56px);
  padding-bottom: clamp(48px, 7vw, 104px);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(32px, 6.2vw, 60px);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 800;
  max-width: 17em;
}

.page-contact .contact-hero .lead {
  margin-top: clamp(18px, 2.4vw, 26px);
  max-width: 32em;
  color: var(--mist);
}

.page-contact .hero-facts {
  margin: clamp(26px, 3.4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .hero-facts li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 12px 18px;
  background: rgba(20, 27, 43, .62);
  border: 1px solid var(--pc-line-soft);
  border-radius: var(--r-pill);
}

.page-contact .hero-facts__k {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: var(--r-pill);
  background: rgba(46, 107, 255, .16);
  color: var(--cyan);
  font-size: 13px;
  line-height: 1;
}

.page-contact .hero-facts__v {
  font-size: 15px;
  line-height: 1.6;
  color: var(--snow);
}

.page-contact .contact-hero__visual {
  position: relative;
  display: grid;
  place-items: center;
}

.page-contact .contact-hero__visual svg {
  width: min(100%, 460px);
  height: auto;
  display: block;
}

.page-contact .pc-orbit {
  transform-origin: 240px 220px;
  animation: pc-orbit-spin 26s linear infinite;
}

@keyframes pc-orbit-spin {
  to { transform: rotate(360deg); }
}

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

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }
}

/* ---------- 通道卡片 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: clamp(16px, 2.2vw, 26px);
}

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(22px, 3vw, 34px);
  background:
    linear-gradient(168deg, rgba(20, 27, 43, .96), rgba(11, 18, 32, .92));
  border: 1px solid var(--pc-line);
  transition: transform .34s var(--ease), border-color .34s var(--ease), box-shadow .34s var(--ease);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: clamp(22px, 3vw, 34px);
  width: 76px;
  height: 3px;
  border-radius: var(--r-pill);
  background: var(--pc-accent, var(--pc-mail));
}

.page-contact .channel--mail {
  --pc-accent: var(--pc-mail);
  border-radius: var(--r-lg) var(--r-lg) var(--r-md) var(--r-lg);
}

.page-contact .channel--tel {
  --pc-accent: var(--pc-tel);
  border-radius: var(--r-md) var(--r-lg) var(--r-lg) var(--r-lg);
}

.page-contact .channel--post {
  --pc-accent: var(--pc-post);
  border-radius: var(--r-lg) var(--r-md) var(--r-lg) var(--r-lg);
}

.page-contact .channel:hover {
  transform: translateY(-6px);
  border-color: var(--pc-accent);
  box-shadow: 0 22px 48px -28px rgba(46, 107, 255, .55);
}

.page-contact .channel__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  border-radius: var(--r-pill);
  background: color-mix(in srgb, var(--pc-accent) 15%, transparent);
  color: var(--pc-accent);
}

.page-contact .channel .card__eyebrow {
  margin: 0;
}

.page-contact .channel__title {
  margin: 6px 0 0;
  font-size: clamp(20px, 2.4vw, 24px);
  font-weight: 700;
  color: var(--snow);
}

.page-contact .channel__value {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.9vw, 18px);
  letter-spacing: .02em;
  color: var(--pc-accent);
  overflow-wrap: anywhere;
}

.page-contact .channel__text {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .channel__hint {
  margin: auto 0 0;
  padding-top: 18px;
  margin-top: 20px;
  border-top: 1px dashed var(--pc-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  opacity: .7;
  transition: opacity .3s var(--ease), color .3s var(--ease);
}

.page-contact .channel:hover .channel__hint,
.page-contact .channel:focus-within .channel__hint {
  opacity: 1;
  color: var(--snow);
}

@media (min-width: 880px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .channel:nth-child(2) {
    margin-top: 40px;
  }

  .page-contact .channel:nth-child(3) {
    margin-top: 80px;
  }
}

/* ---------- 值守时段 ---------- */
.page-contact .timeline {
  position: relative;
  padding-top: 28px;
}

.page-contact .timeline::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, rgba(46, 107, 255, .75) 0%, rgba(46, 107, 255, .32) 44%, rgba(255, 106, 43, .85) 70%, rgba(255, 106, 43, .24) 100%);
}

.page-contact .timeline__items {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .timeline__item {
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--pc-panel);
  border: 1px solid var(--pc-line);
  border-radius: var(--r-md);
}

.page-contact .timeline__item--ext {
  background: linear-gradient(150deg, rgba(255, 106, 43, .14), rgba(20, 27, 43, .95));
  border-color: rgba(255, 106, 43, .38);
}

.page-contact .timeline__time {
  margin: 0;
  font-size: 14px;
  letter-spacing: .05em;
  color: var(--cyan);
}

.page-contact .timeline__item--ext .timeline__time {
  color: var(--orange);
}

.page-contact .timeline__title {
  margin: 10px 0 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--snow);
}

.page-contact .timeline__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 820px) {
  .page-contact .timeline__items {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .reply-grid {
  display: grid;
  gap: 14px;
  margin: clamp(28px, 3.6vw, 44px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .reply {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  padding: 14px 20px;
  border: 1px solid var(--pc-line-soft);
  border-radius: var(--r-pill);
  background: rgba(11, 18, 32, .6);
}

.page-contact .reply__k {
  margin: 0;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--green);
}

.page-contact .reply__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--snow);
}

@media (min-width: 820px) {
  .page-contact .reply-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .hours-figure {
  margin: clamp(32px, 4.4vw, 56px) 0 0;
}

.page-contact .hours-figure__cap {
  margin: 14px 0 0;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- 合作对接 ---------- */
.page-contact .coop {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

.page-contact .coop__title {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-contact .coop__title + .coop__tags,
.page-contact .coop__title + .coop__list {
  margin-top: 0;
}

.page-contact .coop__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 clamp(26px, 3.4vw, 40px);
  padding: 0;
  list-style: none;
}

.page-contact .coop__tags .tag {
  display: inline-block;
  padding: 9px 18px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(46, 107, 255, .38);
  background: rgba(46, 107, 255, .1);
  color: var(--snow);
  font-size: 14px;
  transition: transform .28s var(--ease), border-color .28s var(--ease), background-color .28s var(--ease);
}

.page-contact .coop__tags .tag:hover {
  transform: scale(1.04);
  border-color: var(--orange);
  background: rgba(255, 106, 43, .14);
}

.page-contact .coop__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: coop;
}

.page-contact .coop__list li {
  position: relative;
  padding: 11px 0 11px 42px;
  border-bottom: 1px solid var(--pc-line-soft);
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

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

.page-contact .coop__list li::before {
  counter-increment: coop;
  content: counter(coop, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--blue);
}

.page-contact .coop__note {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .coop__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 227, 255, .4);
}

.page-contact .coop__note a:hover {
  border-bottom-color: var(--cyan);
}

.page-contact .coop__media {
  margin: 0;
  aspect-ratio: 2 / 1;
}

@media (min-width: 900px) {
  .page-contact .coop {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

/* ---------- 来信与寄送 ---------- */
.page-contact .postbox {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  padding: clamp(24px, 3.4vw, 40px);
  background: linear-gradient(120deg, rgba(55, 245, 160, .09), rgba(20, 27, 43, .94) 46%);
  border: 1px solid rgba(55, 245, 160, .3);
  border-radius: var(--r-lg);
}

.page-contact .postbox__label {
  margin: 0;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--green);
}

.page-contact .postbox__value {
  margin: 12px 0 0;
  font-size: clamp(20px, 2.8vw, 30px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--snow);
}

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

.page-contact .postbox__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .postbox__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: var(--r-pill);
  background: var(--green);
}

@media (min-width: 860px) {
  .page-contact .postbox {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    align-items: center;
  }
}

/* ---------- 联系前清单 ---------- */
.page-contact .checklist {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .checklist__item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 18px;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--pc-line-soft);
  border-radius: var(--r-md);
  background: rgba(11, 18, 32, .55);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-contact .checklist__item:hover {
  border-color: rgba(46, 107, 255, .5);
  transform: translateX(4px);
}

.page-contact .checklist__num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(46, 107, 255, .4);
  color: var(--cyan);
  font-size: 14px;
  letter-spacing: .04em;
}

.page-contact .checklist__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--snow);
}

.page-contact .checklist__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-contact .checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .checklist__item:first-child {
    grid-column: 1 / -1;
  }
}

/* ---------- 收尾提示 ---------- */
.page-contact .prepare-cta {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  align-items: center;
  margin-top: clamp(36px, 4.6vw, 60px);
  padding: clamp(24px, 3.4vw, 40px);
  border-radius: var(--r-lg);
  border: 1px solid var(--pc-line);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(255, 106, 43, .16), transparent 58%),
    linear-gradient(140deg, rgba(46, 107, 255, .14), rgba(11, 18, 32, .96));
}

.page-contact .prepare-cta__title {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 700;
  color: var(--snow);
}

.page-contact .prepare-cta__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .prepare-cta__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 227, 255, .4);
}

.page-contact .prepare-cta__text a:hover {
  border-bottom-color: var(--cyan);
}

.page-contact .prepare-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 860px) {
  .page-contact .prepare-cta {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

/* ---------- 窄屏收尾 ---------- */
@media (max-width: 480px) {
  .page-contact .hero-facts li {
    grid-template-columns: 28px minmax(0, 1fr);
    border-radius: var(--r-lg);
  }

  .page-contact .checklist__item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 14px;
  }

  .page-contact .checklist__num {
    width: 38px;
    height: 38px;
    font-size: 13px;
  }

  .page-contact .prepare-cta__actions .btn {
    width: 100%;
    text-align: center;
  }
}
<<<END>>>