.page-contact {
  --contact-pad: clamp(40px, 6vw, 88px);
  --contact-gap: clamp(20px, 3vw, 40px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  border-bottom: var(--line);
  padding: clamp(20px, 4vw, 36px) 0 0;
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(53, 240, 208, 0.10) 0%, rgba(10, 18, 16, 0) 58%),
    linear-gradient(180deg, rgba(20, 24, 26, 0.85) 0%, rgba(10, 18, 16, 0) 100%);
}

.page-contact .hero-grid {
  display: grid;
  gap: var(--contact-gap);
  padding: clamp(24px, 4vw, 48px) 0 clamp(28px, 4vw, 44px);
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: end;
  }
}

.page-contact .hero-lead h1 {
  font-family: var(--font-display);
  font-size: var(--fs-56);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper-100);
  margin: 14px 0 0;
  max-width: 16em;
}

.page-contact .hero-intro {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: var(--fs-16);
  line-height: 1.7;
  color: var(--paper-100);
  opacity: 0.86;
}

.page-contact .hero-aside {
  border-left: 2px solid var(--signal-cyan);
  padding: 4px 0 4px 18px;
}

.page-contact .hero-aside .stamp {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-18);
  color: var(--signal-cyan);
  letter-spacing: 0.02em;
}

.page-contact .hero-aside__text {
  margin: 12px 0 0;
  font-size: var(--fs-13);
  line-height: 1.75;
  color: var(--slate-500);
  max-width: 26em;
}

/* ---------- 页内跳转条 ---------- */
.page-contact .jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 4px;
  padding: 0 0 20px;
}

.page-contact .jump__link {
  font-size: var(--fs-13);
  letter-spacing: 0.06em;
  color: var(--slate-500);
  text-decoration: none;
  padding: 7px 14px;
  border: 1px solid var(--grid-600);
  background: rgba(20, 24, 26, 0.6);
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-contact .jump__link:hover,
.page-contact .jump__link:focus-visible {
  color: var(--signal-cyan);
  border-color: var(--signal-cyan);
  background: var(--teal-700);
}

.page-contact .jump__link.is-current {
  color: var(--focus-violet);
  border-color: var(--focus-violet);
}

/* ---------- 通用区块 ---------- */
.page-contact .block {
  padding: var(--contact-pad) 0;
  border-bottom: var(--line);
}

.page-contact .block--charcoal {
  background: var(--charcoal-800);
}

.page-contact .block .section-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 26px;
}

.page-contact .block .section-head__num {
  font-family: var(--font-mono);
  font-size: var(--fs-22);
  color: var(--signal-cyan);
}

.page-contact .block .section-head__title {
  font-family: var(--font-display);
  font-size: var(--fs-28);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper-100);
  margin: 0;
}

.page-contact .block-intro {
  max-width: 34em;
  margin: -8px 0 28px;
  font-size: var(--fs-16);
  line-height: 1.7;
  color: var(--slate-500);
}

/* ---------- 三种渠道卡 ---------- */
.page-contact .channels {
  display: grid;
  gap: 0;
  border-top: var(--line);
  border-left: var(--line);
}

@media (min-width: 900px) {
  .page-contact .channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .channel {
  border-right: var(--line);
  border-bottom: var(--line);
  padding: 24px clamp(16px, 2vw, 26px) 28px;
  background: var(--charcoal-800);
  transition: transform 220ms var(--ease), background 220ms var(--ease), box-shadow 220ms var(--ease);
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  background: var(--teal-700);
  transform: translateY(-4px);
}

.page-contact .channel__bar {
  display: block;
  width: 40px;
  height: 3px;
  background: var(--signal-cyan);
  margin-bottom: 20px;
}

.page-contact .channel__bar--orange {
  background: var(--signal-orange);
}

.page-contact .channel__bar--sand {
  background: var(--sand-400);
}

.page-contact .channel__label {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--slate-500);
  text-transform: uppercase;
}

.page-contact .channel__value {
  margin: 10px 0 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-18);
  line-height: 1.4;
  color: var(--paper-100);
  word-break: break-word;
}

.page-contact .channel__value--mail {
  color: var(--signal-cyan);
}

.page-contact .channel__value--phone {
  color: var(--signal-orange);
  font-size: var(--fs-22);
  letter-spacing: 0.02em;
}

.page-contact .channel__value--addr {
  font-family: var(--font-body);
  font-size: var(--fs-16);
  line-height: 1.6;
}

.page-contact .channel__use {
  margin: 0 0 18px;
  font-size: var(--fs-13);
  line-height: 1.75;
  color: var(--paper-100);
  opacity: 0.78;
}

.page-contact .channel__meta {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--grid-600);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--sand-400);
}

/* ---------- 问题分派表 ---------- */
.page-contact .routing {
  border-top: var(--line);
}

.page-contact .routing__row {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: var(--line);
}

@media (min-width: 780px) {
  .page-contact .routing__row {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.35fr);
    gap: 28px;
    align-items: start;
    padding: 20px 0;
  }
}

.page-contact .routing__row--head {
  display: none;
}

@media (min-width: 780px) {
  .page-contact .routing__row--head {
    display: grid;
    padding: 12px 0;
    border-bottom: 1px solid var(--grid-600);
  }
}

.page-contact .routing__th {
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sand-400);
}

.page-contact .routing__case {
  font-size: var(--fs-16);
  line-height: 1.6;
  color: var(--paper-100);
  font-weight: 600;
}

.page-contact .routing__way {
  font-size: var(--fs-13);
  line-height: 1.8;
  color: var(--slate-500);
}

.page-contact .routing__way a {
  color: var(--signal-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .tag {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 8px;
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  border: 1px solid var(--grid-600);
  color: var(--paper-100);
  vertical-align: 1px;
}

.page-contact .tag--phone {
  border-color: var(--signal-orange);
  color: var(--signal-orange);
}

.page-contact .tag--mail {
  border-color: var(--signal-cyan);
  color: var(--signal-cyan);
}

.page-contact .tag--catalog {
  border-color: var(--sand-400);
  color: var(--sand-400);
}

.page-contact .tag--partner {
  border-color: var(--focus-violet);
  color: var(--focus-violet);
}

/* ---------- 资料准备 ---------- */
.page-contact .prepare-layout {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

@media (min-width: 900px) {
  .page-contact .prepare-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    align-items: start;
  }
}

.page-contact .prepare-media img {
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(0.6) contrast(1.05);
}

.page-contact .prep {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--line);
}

.page-contact .prep__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 0;
  border-bottom: var(--line);
}

.page-contact .prep__check {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 22px;
  height: 22px;
  margin: 2px 0 0;
  border: 1px solid var(--grid-600);
  background: var(--ink-900);
  display: grid;
  place-content: center;
  cursor: pointer;
  transition: border-color 180ms var(--ease);
}

.page-contact .prep__check::after {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--signal-cyan);
  transform: scale(0);
  transition: transform 160ms var(--ease);
}

.page-contact .prep__check:checked {
  border-color: var(--signal-cyan);
}

.page-contact .prep__check:checked::after {
  transform: scale(1);
}

.page-contact .prep__check:focus-visible {
  outline: 2px solid var(--focus-violet);
  outline-offset: 2px;
}

.page-contact .prep__label {
  display: flex;
  gap: 14px;
  cursor: pointer;
}

.page-contact .prep__num {
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  color: var(--sand-400);
  padding-top: 3px;
}

.page-contact .prep__body {
  display: block;
}

.page-contact .prep__title {
  display: block;
  font-size: var(--fs-18);
  color: var(--paper-100);
  margin-bottom: 6px;
}

.page-contact .prep__check:checked + .prep__label .prep__title {
  color: var(--slate-500);
  text-decoration: line-through;
  text-decoration-color: var(--grid-600);
}

.page-contact .prep__desc {
  display: block;
  font-size: var(--fs-13);
  line-height: 1.75;
  color: var(--slate-500);
  max-width: 32em;
}

.page-contact .prepare-note {
  margin: 26px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--signal-cyan);
  font-size: var(--fs-13);
  line-height: 1.75;
  color: var(--slate-500);
  max-width: 40em;
}

/* ---------- 回复节奏 ---------- */
.page-contact .hours {
  display: grid;
  gap: 0;
  border-top: var(--line);
  border-left: var(--line);
}

@media (min-width: 780px) {
  .page-contact .hours {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .hours__cell {
  border-right: var(--line);
  border-bottom: var(--line);
  padding: 26px clamp(16px, 2vw, 26px) 30px;
}

.page-contact .hours__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-40);
  line-height: 1;
  color: var(--signal-cyan);
  letter-spacing: -0.01em;
}

.page-contact .hours__cell:nth-child(2) .hours__num {
  color: var(--signal-orange);
}

.page-contact .hours__cell:nth-child(3) .hours__num {
  color: var(--sand-400);
}

.page-contact .hours__label {
  margin: 12px 0 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-100);
}

.page-contact .hours__desc {
  margin: 0;
  font-size: var(--fs-13);
  line-height: 1.75;
  color: var(--slate-500);
}

/* ---------- 合作共建 ---------- */
.page-contact .partner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

@media (min-width: 900px) {
  .page-contact .partner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-contact .partner__main p {
  margin: 0 0 16px;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--paper-100);
  opacity: 0.86;
  max-width: 36em;
}

.page-contact .partner__main a {
  color: var(--signal-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .partner__list {
  list-style: none;
  margin: 22px 0 20px;
  padding: 0;
  border-top: var(--line);
}

.page-contact .partner__list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: var(--line);
}

@media (min-width: 640px) {
  .page-contact .partner__list li {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: 20px;
    align-items: baseline;
  }
}

.page-contact .partner__k {
  font-size: var(--fs-13);
  letter-spacing: 0.04em;
  color: var(--sand-400);
}

.page-contact .partner__v {
  font-size: var(--fs-13);
  line-height: 1.7;
  color: var(--slate-500);
}

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

.page-contact .partner__aside {
  border: 1px solid var(--grid-600);
  padding: 24px clamp(16px, 2vw, 24px) 26px;
  background: var(--charcoal-800);
}

.page-contact .partner__mail {
  margin: 12px 0 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  line-height: 1.4;
  color: var(--signal-cyan);
  word-break: break-word;
}

.page-contact .partner__aside-note {
  margin: 0;
  font-size: var(--fs-13);
  line-height: 1.75;
  color: var(--slate-500);
}

/* ---------- 地址 ---------- */
.page-contact .block--address {
  border-bottom: none;
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-contact .address {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

@media (min-width: 860px) {
  .page-contact .address {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
  }
}

.page-contact .address__media img {
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(0.55) brightness(0.92);
}

.page-contact .address__num {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-88);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--signal-cyan);
}

.page-contact .address__street {
  margin: 18px 0 4px;
  font-family: var(--font-display);
  font-size: var(--fs-22);
  line-height: 1.35;
  color: var(--paper-100);
}

.page-contact .address__floor {
  margin: 0;
  font-size: var(--fs-18);
  color: var(--sand-400);
  letter-spacing: 0.04em;
}

.page-contact .address__note {
  margin: 22px 0 0;
  padding-top: 20px;
  border-top: var(--line);
  font-size: var(--fs-13);
  line-height: 1.8;
  color: var(--slate-500);
  max-width: 34em;
}

.page-contact .address__foot {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--grid-600);
}

/* ---------- 收束 ---------- */
.page-contact .closing {
  background: var(--teal-700);
  border-top: 1px solid var(--grid-600);
  padding: clamp(24px, 4vw, 40px) 0;
}

.page-contact .closing__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px 28px;
}

.page-contact .closing__text {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.7;
  color: var(--paper-100);
  max-width: 34em;
}

.page-contact .closing__text a {
  color: var(--signal-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .jump__link,
  .page-contact .prep__check,
  .page-contact .prep__check::after {
    transition: none;
  }
  .page-contact .channel:hover,
  .page-contact .channel:focus-within {
    transform: none;
  }
}