.page-contact {
  --ct-panel: rgba(18, 54, 42, .72);
  --ct-hair: 1px solid rgba(143, 167, 154, .32);
  --ct-soft: rgba(242, 233, 216, .82);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink);
  border-bottom: var(--edge);
}

.page-contact .contact-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 62%;
  opacity: .45;
}

.page-contact .contact-hero__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(11, 31, 23, .42) 0%, rgba(11, 31, 23, .86) 56%, var(--ink) 100%);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  left: -12%;
  bottom: 16%;
  width: 130%;
  height: 2px;
  z-index: 1;
  background: linear-gradient(90deg, transparent, var(--neon), transparent);
  opacity: .5;
  transform: rotate(-6deg);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
  padding-block: clamp(48px, 10vw, 108px);
}

.page-contact .contact-hero__eyebrow {
  margin-top: clamp(18px, 3vw, 30px);
}

.page-contact .contact-hero h1 {
  margin: 14px 0 18px;
  max-width: 16em;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1.85rem, 6.4vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  max-width: 46ch;
  color: var(--paper);
  opacity: .86;
}

/* ---------- 01 联系方式卡 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  margin-top: clamp(28px, 4vw, 46px);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: clamp(24px, 3.2vw, 34px) clamp(22px, 3vw, 34px) clamp(22px, 3vw, 32px) clamp(26px, 3.4vw, 38px);
  background: var(--ink-2);
  border: var(--edge);
  box-shadow: var(--shadow);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .channel-card__stripe {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
}

.page-contact .channel-card__stripe--neon { background: var(--neon); }
.page-contact .channel-card__stripe--yellow { background: var(--yellow); }
.page-contact .channel-card__stripe--paper { background: var(--paper); }

.page-contact .channel-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gray);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1rem, 3.4vw, 1.4rem);
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-card__value--neon { color: var(--neon); }

.page-contact .channel-card__tel {
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .channel-card__tel:hover,
.page-contact .channel-card__tel:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-contact .channel-card__use {
  margin: 0;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

.page-contact .channel-card__actions {
  margin-top: auto;
  padding-top: 10px;
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translate(-2px, -4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--neon);
}

@media (min-width: 900px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(12, 1fr);
    align-items: start;
  }
  .page-contact .channel-card--mail {
    grid-column: 1 / span 5;
  }
  .page-contact .channel-card--phone {
    grid-column: 7 / span 5;
    margin-top: 56px;
  }
  .page-contact .channel-card--addr {
    grid-column: 2 / span 8;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    column-gap: 26px;
    row-gap: 8px;
    margin-top: 8px;
  }
  .page-contact .channel-card--addr .channel-card__label {
    flex: 0 0 100%;
  }
  .page-contact .channel-card--addr .channel-card__value {
    flex: 0 1 auto;
    font-size: 1.15rem;
  }
  .page-contact .channel-card--addr .channel-card__use {
    flex: 1 1 240px;
    max-width: none;
  }
}

/* ---------- 02 邮件模板 ---------- */
.page-contact .mail-layout {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  margin-top: clamp(28px, 4vw, 46px);
}

.page-contact .mail-template {
  border: var(--edge);
  background: var(--night);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.page-contact .mail-template__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--ink-2);
  border-bottom: var(--edge);
}

.page-contact .mail-template__dot {
  width: 10px;
  height: 10px;
  border: 2px solid var(--black);
  border-radius: 50%;
  background: var(--gray);
}

.page-contact .mail-template__dot:nth-child(2) { background: var(--yellow); }
.page-contact .mail-template__dot:nth-child(3) { background: var(--neon); }

.page-contact .mail-template__bartext {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--gray);
}

.page-contact .mail-template__line {
  margin: 0;
  padding: clamp(20px, 3.4vw, 34px);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(.95rem, 2.8vw, 1.3rem);
  line-height: 1.7;
  letter-spacing: -.01em;
  color: var(--neon);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .mail-template__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: 0 clamp(20px, 3.4vw, 34px) clamp(20px, 3.4vw, 34px);
}

.page-contact .mail-template__hint {
  font-size: 13px;
  line-height: 1.75;
  color: var(--gray);
}

.page-contact .mail-fields {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--ct-hair);
}

.page-contact .mail-fields__item {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: var(--ct-hair);
}

.page-contact .mail-fields__key {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--neon);
}

.page-contact .mail-fields__val {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ct-soft);
}

@media (min-width: 620px) {
  .page-contact .mail-fields__item {
    grid-template-columns: 132px 1fr;
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .mail-layout {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
}

/* ---------- 03 回复时效 ---------- */
.page-contact .reply-track {
  list-style: none;
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
}

.page-contact .reply-track__node {
  position: relative;
  min-width: 0;
  padding-top: 26px;
  border-top: 2px solid var(--ct-hair);
}

.page-contact .reply-track__node::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  background: var(--neon);
  border: 2px solid var(--black);
}

.page-contact .reply-track__step {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--yellow);
}

.page-contact .reply-track__title {
  margin: 0 0 8px;
  font-size: clamp(1.15rem, 3.2vw, 1.5rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .reply-track__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

@media (min-width: 860px) {
  .page-contact .reply-track {
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(22px, 2.8vw, 36px);
  }
}

/* ---------- 04 协作对接 ---------- */
.page-contact .partner-layout {
  display: grid;
  gap: clamp(26px, 3.6vw, 46px);
  margin-top: clamp(28px, 4vw, 46px);
}

.page-contact .partner-list {
  list-style: none;
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
  margin: 0;
  padding: 0;
}

.page-contact .partner-list__item {
  padding: 18px 20px;
  background: var(--ink-2);
  border: var(--ct-hair);
  border-left: 4px solid var(--neon);
  transition: border-color .25s var(--ease), background-color .25s var(--ease);
}

.page-contact .partner-list__item:hover {
  border-left-color: var(--yellow);
  background: var(--ink-3);
}

.page-contact .partner-list__title {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .partner-list__tag {
  display: inline-block;
  margin-right: 10px;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--black);
  background: var(--neon);
}

.page-contact .partner-list__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--gray);
}

.page-contact .partner-figure {
  margin: 0;
}

.page-contact .partner-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-contact .partner-layout {
    grid-template-columns: 6fr 5fr;
    align-items: start;
  }
}

/* ---------- 05 常见联系场景 ---------- */
.page-contact .scenario-list {
  list-style: none;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  border-top: var(--ct-hair);
}

.page-contact .scenario-list__row {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 8px 14px;
  align-items: start;
  padding: 20px 0 20px 0;
  border-bottom: var(--ct-hair);
  transition: padding-left .25s var(--ease), background-color .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .scenario-list__row:hover,
.page-contact .scenario-list__row:focus-within {
  padding-left: 14px;
  background: rgba(198, 255, 79, .06);
  border-color: var(--neon);
}

.page-contact .scenario-list__idx {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--neon);
  line-height: 1.6;
}

.page-contact .scenario-list__body {
  min-width: 0;
}

.page-contact .scenario-list__title {
  margin: 0 0 4px;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.55;
  color: var(--paper);
}

.page-contact .scenario-list__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray);
}

.page-contact .scenario-list__link {
  grid-column: 2;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--neon);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 1px solid rgba(198, 255, 79, .4);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-contact .scenario-list__link:hover,
.page-contact .scenario-list__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

@media (min-width: 760px) {
  .page-contact .scenario-list__row {
    grid-template-columns: 56px 1fr auto;
    gap: 22px;
    align-items: center;
    padding-block: 22px;
  }
  .page-contact .scenario-list__link {
    grid-column: auto;
    justify-self: end;
  }
}

/* ---------- 收束图形 ---------- */
.page-contact .pitch-close {
  position: relative;
  height: clamp(96px, 14vw, 156px);
  margin-top: clamp(24px, 4vw, 48px);
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 100%, rgba(198, 255, 79, .16), transparent 58%),
    var(--ink-2);
  border-top: var(--ct-hair);
  border-bottom: var(--edge);
}

.page-contact .pitch-close__half {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(198, 255, 79, .35);
  transform: translateX(-50%);
}

.page-contact .pitch-close__arc {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 220px;
  height: 110px;
  border: 2px solid rgba(198, 255, 79, .3);
  border-bottom: 0;
  border-radius: 220px 220px 0 0;
  transform: translateX(-50%);
}

.page-contact .pitch-close__spot {
  position: absolute;
  left: 50%;
  bottom: -12px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--neon);
  transform: translateX(-50%);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .scenario-list__row,
  .page-contact .scenario-list__link,
  .page-contact .partner-list__item,
  .page-contact .channel-card__tel {
    transition: none;
  }
  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within {
    transform: none;
  }
  .page-contact .scenario-list__row:hover,
  .page-contact .scenario-list__row:focus-within {
    padding-left: 0;
  }
}