.page-contact {
  --contact-deep: #0E6E64;
  --contact-glass: rgba(11, 42, 66, .64);
  --contact-warm-glow: rgba(255, 122, 89, .16);
  background: var(--ink-900);
  color: var(--text-dark);
}

.page-contact .contact-crumb {
  padding-top: 16px;
  padding-bottom: 4px;
}

/* ---------- Hero ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(28px, 5vw, 64px) clamp(44px, 7vw, 96px);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(79, 227, 208, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 227, 208, .05) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(120% 80% at 70% 10%, #000 10%, transparent 78%);
  mask-image: radial-gradient(120% 80% at 70% 10%, #000 10%, transparent 78%);
}

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

.page-contact .contact-hero__grid {
  display: grid;
  gap: 30px;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(32px, 7.2vw, 74px);
  line-height: 1.12;
  letter-spacing: .04em;
  color: #fff;
}

.page-contact .contact-hero__lead {
  margin: 20px 0 0;
  max-width: 32em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-dark);
}

.page-contact .contact-hero__points {
  list-style: none;
  margin: 24px 0 30px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-hero__points li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-hero__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 10px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .contact-card {
  padding: 24px 20px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--contact-glass);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .28);
}

.page-contact .contact-card__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--cyan);
}

.page-contact .contact-card__row {
  padding-block: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-card__row:first-of-type {
  margin-top: 14px;
}

.page-contact .contact-card__k {
  display: block;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-contact .contact-card__v {
  margin: 6px 0 0;
  font-size: clamp(14px, 3.6vw, 18px);
  line-height: 1.5;
  color: var(--cyan-soft);
  word-break: break-all;
}

.page-contact .contact-card__v--num {
  font-size: clamp(24px, 6.4vw, 34px);
  letter-spacing: .02em;
  color: #fff;
  word-break: normal;
}

.page-contact .contact-card .note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 章节头 ---------- */
.page-contact .contact-head {
  max-width: 46em;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .contact-head h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 4.4vw, 42px);
  line-height: 1.24;
  letter-spacing: .02em;
  color: #fff;
}

.page-contact .contact-head__note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 渠道 ---------- */
.page-contact .contact-channels {
  padding-block: clamp(40px, 7vw, 88px);
  background: var(--ink-800);
  border-block: 1px solid var(--line-soft);
}

.page-contact .channel-grid {
  display: grid;
  gap: 16px;
}

.page-contact .channel {
  position: relative;
  padding: 24px 20px 26px;
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(11, 42, 66, .92), rgba(5, 25, 43, .94));
  transition: border-color .35s var(--ease), transform .35s var(--ease);
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.page-contact .channel__idx {
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-contact .channel--visit .channel__idx {
  color: var(--coral);
}

.page-contact .channel__name {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 20px;
  letter-spacing: .04em;
  color: #fff;
}

.page-contact .channel__value {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--cyan-soft);
  word-break: break-all;
}

.page-contact .channel--visit .channel__value {
  font-family: var(--font-display);
  color: var(--text-dark);
}

.page-contact .channel__use {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .channel__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .channel__list li {
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-dark);
}

.page-contact .channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 5px;
  height: 5px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}

/* ---------- 来信要素 ---------- */
.page-contact .contact-ask {
  padding-block: clamp(44px, 7vw, 96px);
}

.page-contact .contact-ask__grid {
  display: grid;
  gap: 28px;
}

.page-contact .contact-ask__intro h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1.26;
  letter-spacing: .02em;
  color: #fff;
}

.page-contact .contact-ask__intro > p {
  margin: 16px 0 0;
  max-width: 26em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .contact-ask__intro .note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  border-left: 1px solid var(--line-strong);
  padding-left: 12px;
}

.page-contact .ask-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .ask-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  column-gap: 12px;
  row-gap: 6px;
  padding-block: 18px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .ask-item__num {
  grid-row: 1 / span 2;
  padding-top: 5px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--coral);
}

.page-contact .ask-item__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 18px;
  letter-spacing: .03em;
  color: #fff;
}

.page-contact .ask-item__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 42em;
}

/* ---------- 处理流程 ---------- */
.page-contact .contact-flow {
  padding-block: clamp(44px, 7vw, 96px);
  background: var(--ink-800);
  border-block: 1px solid var(--line-soft);
}

.page-contact .contact-flow__figure {
  margin: 0 0 clamp(28px, 4vw, 44px);
}

.page-contact .flow-track {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  position: relative;
  display: grid;
  gap: 26px;
}

.page-contact .flow-track::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--line-strong), var(--line));
}

.page-contact .flow-step {
  position: relative;
  min-width: 0;
}

.page-contact .flow-step__dot {
  position: absolute;
  left: -26px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(79, 227, 208, .14);
}

.page-contact .flow-step--warm .flow-step__dot {
  background: var(--coral);
  box-shadow: 0 0 0 5px var(--contact-warm-glow);
}

.page-contact .flow-step__idx {
  display: block;
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--cyan-soft);
}

.page-contact .flow-step--warm .flow-step__idx {
  color: var(--coral);
}

.page-contact .flow-step__name {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 18px;
  letter-spacing: .03em;
  color: #fff;
}

.page-contact .flow-step__desc {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .flow-step__time {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--cyan-soft);
}

.page-contact .flow-step--warm .flow-step__time {
  border-color: rgba(255, 122, 89, .45);
  color: var(--coral);
}

/* ---------- 资料合作 ---------- */
.page-contact .contact-coop {
  padding-block: clamp(44px, 7vw, 96px) clamp(36px, 6vw, 76px);
}

.page-contact .contact-coop__grid {
  display: grid;
  gap: 26px;
}

.page-contact .contact-coop__copy h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1.26;
  letter-spacing: .02em;
  color: #fff;
}

.page-contact .contact-coop__copy > p {
  margin: 16px 0 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dark);
}

.page-contact .coop-points {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .coop-points li {
  padding-left: 16px;
  border-left: 1px solid var(--line-strong);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .coop-points strong {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 15px;
  letter-spacing: .05em;
  color: var(--cyan-soft);
}

.page-contact .coop-panel {
  padding: 24px 20px;
  border: 1px solid var(--line-soft);
  border-radius: 2px;
}

.page-contact .coop-panel__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-contact .coop-panel__title + .coop-panel__list {
  margin-bottom: 22px;
}

.page-contact .coop-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .coop-panel__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-dark);
}

.page-contact .coop-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .coop-panel__list--warm li::before {
  background: var(--coral);
}

/* ---------- 延伸入口 ---------- */
.page-contact .contact-more {
  margin-top: clamp(30px, 5vw, 52px);
}

.page-contact .more-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .more-link {
  display: grid;
  gap: 4px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line-soft);
  color: inherit;
  text-decoration: none;
  transition: background-color .3s var(--ease), padding-left .3s var(--ease);
}

.page-contact .more-link:hover,
.page-contact .more-link:focus-visible {
  background: rgba(79, 227, 208, .05);
  padding-left: 12px;
}

.page-contact .more-link__k {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-contact .more-link__d {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 来信与寄送（纸色） ---------- */
.page-contact .contact-visit {
  background: var(--paper);
  color: var(--text-on-paper);
  padding-block: clamp(44px, 7vw, 96px);
}

.page-contact .contact-visit__grid {
  display: grid;
  gap: 28px;
}

.page-contact .eyebrow--dark {
  color: var(--contact-deep);
}

.page-contact .contact-visit__body h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1.26;
  letter-spacing: .02em;
  color: var(--text-on-paper);
}

.page-contact .contact-visit__lead {
  margin: 16px 0 0;
  max-width: 30em;
  font-size: 15px;
  line-height: 1.85;
  color: #3A4A57;
}

.page-contact .visit-facts {
  margin: 26px 0 0;
  border-top: 1px solid rgba(16, 25, 34, .16);
}

.page-contact .visit-fact {
  display: grid;
  gap: 3px;
  padding-block: 13px;
  border-bottom: 1px solid rgba(16, 25, 34, .16);
}

.page-contact .visit-fact dt {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--contact-deep);
}

.page-contact .visit-fact dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-on-paper);
  word-break: break-word;
}

.page-contact .visit-fact dd.mono {
  font-size: 13.5px;
  word-break: break-all;
}

.page-contact .visit-legal {
  margin: 22px 0 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: #5C6C79;
}

.page-contact .contact-visit__figure {
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-card {
    padding: 28px 26px;
  }
}

@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .channel:nth-child(2) {
    transform: translateY(16px);
  }

  .page-contact .channel:nth-child(2):hover,
  .page-contact .channel:nth-child(2):focus-within {
    transform: translateY(13px);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 400px);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .page-contact .contact-card {
    margin-top: 12px;
  }

  .page-contact .contact-visit__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .88fr);
    gap: 48px;
    align-items: center;
  }

  .page-contact .visit-fact {
    grid-template-columns: 7.5em minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-contact .more-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 24px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-ask__grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.35fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

  .page-contact .contact-coop__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: clamp(32px, 5vw, 56px);
    align-items: start;
  }

  .page-contact .contact-coop__copy {
    position: sticky;
    top: calc(var(--bar) + 24px);
  }
}

@media (min-width: 820px) {
  .page-contact .flow-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 24px;
    padding: 0;
    gap: 0;
  }

  .page-contact .flow-track::before {
    left: 0;
    right: 0;
    top: 4px;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, var(--line-strong), var(--line), rgba(255, 122, 89, .5));
  }

  .page-contact .flow-step {
    padding-top: 30px;
    padding-right: 10px;
  }

  .page-contact .flow-step__dot {
    left: 0;
    top: 0;
  }
}

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

  .page-contact .channel:hover,
  .page-contact .channel:focus-within,
  .page-contact .channel:nth-child(2),
  .page-contact .channel:nth-child(2):hover,
  .page-contact .channel:nth-child(2):focus-within {
    transform: none;
  }

  .page-contact .more-link:hover,
  .page-contact .more-link:focus-visible {
    padding-left: 4px;
  }
}
<<<END>>>