.page-contact {
  --pc-gap: clamp(16px, 2.4vw, 26px);
  --pc-line: rgba(54, 80, 107, 0.44);
  --pc-surface: linear-gradient(158deg, rgba(16, 30, 43, 0.94) 0%, rgba(12, 22, 32, 0.66) 100%);
  --pc-glow: 0 22px 54px -28px rgba(20, 224, 208, 0.55);
  position: relative;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(22px, 4vw, 40px) 0 clamp(46px, 7vw, 86px);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(122, 92, 255, 0.22), transparent 62%),
    radial-gradient(90% 80% at -8% 108%, rgba(20, 224, 208, 0.15), transparent 62%);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image:
    linear-gradient(to right, var(--pc-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pc-line) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
}

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

.page-contact .breadcrumb {
  margin-bottom: clamp(20px, 3.4vw, 34px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--faint);
}

.page-contact .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

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

.page-contact .breadcrumb__sep {
  margin: 0 8px;
  color: var(--steel);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  align-items: end;
}

.page-contact .contact-hero__lead h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(31px, 5.6vw, 60px);
  line-height: 1.12;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-contact .contact-hero__lede {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
}

.page-contact .contact-hero__mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: clamp(22px, 3.4vw, 32px);
  padding: clamp(14px, 2.2vw, 24px) clamp(16px, 2.6vw, 28px);
  border-radius: var(--r-lg);
  border: 1px solid var(--cyan-line);
  background: linear-gradient(120deg, rgba(20, 224, 208, 0.13), rgba(122, 92, 255, 0.11));
  box-shadow: var(--pc-glow);
}

.page-contact .contact-hero__mail-label {
  flex-basis: 100%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .contact-hero__mail-addr {
  font-size: clamp(19px, 3.6vw, 38px);
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--mist);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color 0.22s var(--ease);
}

.page-contact .contact-hero__mail-addr:hover {
  color: var(--cyan);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-contact .contact-hero__media {
  margin: 0;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
}

/* ---------- 复制按钮 ---------- */
.page-contact .contact-copy {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 7px 15px;
  border-radius: var(--pill);
  border: 1px solid var(--cyan-line);
  background: rgba(20, 224, 208, 0.1);
  color: var(--cyan);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .contact-copy:hover {
  background: rgba(20, 224, 208, 0.22);
}

.page-contact .contact-copy[data-copied] {
  background: var(--acid);
  border-color: var(--acid);
  color: #070B12;
  box-shadow: 0 0 18px rgba(184, 255, 61, 0.45);
}

/* ---------- 通用区块 ---------- */
.page-contact .contact-block {
  padding: clamp(46px, 7vw, 92px) 0;
}

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

.page-contact .section-head {
  max-width: 62ch;
}

.page-contact .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .section-title {
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 42px);
  line-height: 1.22;
  letter-spacing: 0.015em;
  color: var(--mist);
}

.page-contact .section-lede {
  margin-top: 14px;
  color: var(--muted);
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.8;
}

/* ---------- 三条路径 ---------- */
.page-contact .path-deck {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(26px, 4vw, 46px);
}

.page-contact .path-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 30px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--pc-surface);
  overflow: hidden;
}

.page-contact .path-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.page-contact .path-card--b::before {
  background: linear-gradient(90deg, var(--violet), var(--acid));
}

.page-contact .path-card--c::before {
  background: linear-gradient(90deg, var(--acid), var(--cyan));
}

.page-contact .path-card__idx {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--faint);
}

.page-contact .path-card h3 {
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 24px);
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-contact .path-card p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-contact .path-card__label {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--faint);
}

.page-contact .path-card__mail {
  font-size: clamp(14px, 1.6vw, 16px);
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px dashed var(--cyan-line);
  padding-bottom: 3px;
  overflow-wrap: anywhere;
  align-self: flex-start;
}

.page-contact .path-card__mail:hover {
  color: var(--cyan);
}

.page-contact .path-card__hint {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--faint);
  padding-left: 10px;
  border-left: 2px solid var(--steel);
}

/* ---------- 响应节奏 ---------- */
.page-contact .response-grid {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .response-clock {
  padding: clamp(22px, 3vw, 36px);
  border-radius: var(--r-lg);
  border: 1px solid var(--cyan-line);
  background:
    radial-gradient(120% 100% at 0% 0%, rgba(20, 224, 208, 0.16), transparent 64%),
    linear-gradient(160deg, rgba(12, 22, 32, 0.95), rgba(7, 11, 18, 0.8));
}

.page-contact .response-clock__label {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-contact .response-clock__time {
  margin-top: 10px;
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.05;
  color: var(--mist);
  letter-spacing: -0.02em;
}

.page-contact .response-clock__day {
  margin-top: 8px;
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--acid);
  letter-spacing: 0.02em;
}

.page-contact .response-clock__note {
  margin-top: 16px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-contact .response-order {
  display: grid;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .response-order__item {
  display: flex;
  gap: 14px;
  padding: clamp(16px, 2.2vw, 22px) 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .response-order__item:first-child {
  border-top: 1px dashed var(--line-soft);
}

.page-contact .response-order__num {
  flex: none;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  font-size: 13px;
  color: var(--cyan);
}

.page-contact .response-order__item h3 {
  font-family: var(--font-display);
  font-size: clamp(16px, 1.9vw, 19px);
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-contact .response-order__item p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 联系信息卡 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--pc-surface);
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-contact .channel-card:hover {
  border-color: var(--cyan-line);
  box-shadow: 0 0 0 1px rgba(20, 224, 208, 0.18);
}

.page-contact .channel-card__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--faint);
}

.page-contact .channel-card__value {
  font-size: clamp(15px, 1.9vw, 19px);
  color: var(--mist);
  text-decoration: none;
  overflow-wrap: anywhere;
  line-height: 1.4;
}

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

.page-contact .channel-card__value--text {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.8vw, 17px);
}

.page-contact .channel-card__note {
  margin-top: auto;
  color: var(--faint);
  font-size: 13px;
  line-height: 1.7;
}

.page-contact .channel-foot {
  margin-top: clamp(20px, 3vw, 30px);
  padding-top: 16px;
  border-top: 1px dashed var(--line-soft);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--faint);
  line-height: 1.9;
}

/* ---------- 提交前准备 ---------- */
.page-contact .prep-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-contact .chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 8px 16px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: rgba(12, 22, 32, 0.8);
  color: var(--muted);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .chip:hover {
  border-color: var(--cyan-line);
  color: var(--mist);
}

.page-contact .chip[aria-pressed="true"] {
  background: var(--acid);
  border-color: var(--acid);
  color: #070B12;
  box-shadow: 0 0 20px rgba(184, 255, 61, 0.4);
}

.page-contact .prep-list {
  display: grid;
  gap: 2px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .prep-item {
  display: flex;
  gap: 14px;
  padding: clamp(15px, 2vw, 20px) 0;
  border-bottom: 1px dashed var(--line-soft);
}

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

.page-contact .prep-item__dot {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 2px;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(20, 224, 208, 0.7);
}

.page-contact .prep-item h3 {
  font-family: var(--font-display);
  font-size: clamp(15px, 1.8vw, 18px);
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-contact .prep-item p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 流程 ---------- */
.page-contact .flow-layout {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  margin-top: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-contact .flow-media {
  margin: 0;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
}

.page-contact .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .flow-step {
  position: relative;
  padding: 0 0 clamp(20px, 3vw, 28px) 46px;
  border-left: 1px dashed var(--line);
  margin-left: 16px;
}

.page-contact .flow-step:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-contact .flow-step__num {
  position: absolute;
  left: -17px;
  top: -4px;
  width: 33px;
  height: 33px;
  display: grid;
  place-items: center;
  border-radius: var(--pill);
  background: var(--ink-800);
  border: 1px solid var(--cyan-line);
  font-size: 12px;
  color: var(--cyan);
}

.page-contact .flow-step h3 {
  font-family: var(--font-display);
  font-size: clamp(16px, 2vw, 20px);
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-contact .flow-step p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.78;
}

/* ---------- 延伸入口 ---------- */
.page-contact .next-links {
  display: grid;
  gap: 12px;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-contact .next-link {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "idx name"
    "idx desc";
  gap: 2px 14px;
  padding: 16px 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(12, 22, 32, 0.6);
  text-decoration: none;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-contact .next-link:hover {
  border-color: var(--cyan-line);
  transform: translateY(-2px);
}

.page-contact .next-link__idx {
  grid-area: idx;
  align-self: center;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-contact .next-link strong {
  grid-area: name;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-contact .next-link span:last-child {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.6;
  color: var(--faint);
}

.page-contact .to-top {
  display: inline-block;
  margin-top: clamp(24px, 3.4vw, 34px);
  padding: 9px 18px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .to-top:hover {
  color: var(--cyan);
  border-color: var(--cyan-line);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 36px);
  }

  .page-contact .next-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.85fr);
  }

  .page-contact .path-deck {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .path-card--b {
    margin-top: 34px;
  }

  .page-contact .path-card--c {
    margin-top: 68px;
  }

  .page-contact .response-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .flow-layout {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }
}

@media (min-width: 1100px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .next-link,
  .page-contact .channel-card,
  .page-contact .contact-hero__mail-addr,
  .page-contact .to-top {
    transition: none;
  }

  .page-contact .next-link:hover {
    transform: none;
  }
}