.page-contact {
  background: var(--c-night);
  color: var(--c-mist);
  font-family: var(--f-body);
  overflow-x: hidden;
}

.page-contact .c-frame {
  position: relative;
}

.page-contact .c-frame::before {
  content: "";
  position: absolute;
  inset: -1px;
  pointer-events: none;
  border-radius: inherit;
  background:
    linear-gradient(var(--c-lava), var(--c-lava)) 0 0 / 26px 2px no-repeat,
    linear-gradient(var(--c-lava), var(--c-lava)) 0 0 / 2px 26px no-repeat,
    linear-gradient(var(--c-amber), var(--c-amber)) 100% 0 / 26px 2px no-repeat,
    linear-gradient(var(--c-amber), var(--c-amber)) 100% 0 / 2px 26px no-repeat,
    linear-gradient(var(--c-cold), var(--c-cold)) 0 100% / 26px 2px no-repeat,
    linear-gradient(var(--c-cold), var(--c-cold)) 0 100% / 2px 26px no-repeat,
    linear-gradient(var(--c-lava), var(--c-lava)) 100% 100% / 26px 2px no-repeat,
    linear-gradient(var(--c-lava), var(--c-lava)) 100% 100% / 2px 26px no-repeat;
}

/* ---------- 首屏 ---------- */

.page-contact .c-hero {
  position: relative;
  padding: 28px 0 40px;
  border-bottom: 1px solid var(--c-line);
  isolation: isolate;
}

.page-contact .c-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
}

.page-contact .c-hero__media img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: 0.42;
}

.page-contact .c-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 15% 0%, rgba(255, 90, 31, 0.22), transparent 55%),
    linear-gradient(180deg, rgba(11, 14, 18, 0.68) 0%, rgba(11, 14, 18, 0.93) 62%, var(--c-night) 100%);
  pointer-events: none;
}

.page-contact .c-hero__inner {
  position: relative;
}

.page-contact .c-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--c-graphite);
  margin-bottom: 22px;
}

.page-contact .c-crumb a {
  color: var(--c-graphite);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .c-crumb a:hover,
.page-contact .c-crumb a:focus-visible {
  color: var(--c-amber);
  border-bottom-color: var(--c-amber);
}

.page-contact .c-crumb__sep {
  color: var(--c-line);
}

.page-contact .c-hero__frame {
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: rgba(22, 27, 33, 0.72);
  padding: 26px 20px 30px;
}

.page-contact .c-hero__kicker {
  margin: 0 0 16px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--c-amber);
  text-transform: uppercase;
}

.page-contact .c-hero__title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(38px, 11vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--c-mist);
}

.page-contact .c-hero__lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-graphite);
}

.page-contact .c-direct {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-contact .c-direct__item {
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: var(--c-deep);
  padding: 18px 20px;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .c-direct__item:hover,
.page-contact .c-direct__item:focus-within {
  border-color: var(--c-amber);
  transform: translateY(-2px);
}

.page-contact .c-direct__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--c-graphite);
}

.page-contact .c-direct__value {
  display: block;
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: clamp(17px, 4.6vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--c-mist);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color 0.18s var(--ease);
}

.page-contact .c-direct__value:hover,
.page-contact .c-direct__value:focus-visible {
  color: var(--c-lava);
}

.page-contact .c-direct__note {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px dashed var(--c-line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-graphite);
}

/* ---------- 通用区块头 ---------- */

.page-contact .c-section {
  padding: 56px 0;
}

.page-contact .c-section--tight {
  padding-top: 24px;
}

.page-contact .c-section--tail {
  padding-bottom: 96px;
}

.page-contact .c-head {
  max-width: 68ch;
}

.page-contact .c-head__kicker {
  margin: 0 0 14px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--c-cold);
}

.page-contact .c-head h2 {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(26px, 6.4vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--c-mist);
}

.page-contact .c-head__desc {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--c-graphite);
}

/* ---------- 三条渠道 ---------- */

.page-contact .c-lane {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 26px;
  counter-reset: lane;
}

.page-contact .c-lane__item {
  border-top: 1px solid var(--c-line);
  padding-top: 20px;
}

.page-contact .c-lane__no {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--c-lava);
  margin-bottom: 10px;
}

.page-contact .c-lane__title {
  margin: 0 0 12px;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--c-mist);
  overflow-wrap: anywhere;
}

.page-contact .c-lane__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-graphite);
}

.page-contact .c-address {
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: var(--c-cold-deep);
  padding: 18px 20px;
}

.page-contact .c-address__text {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-contact .c-address__hint {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-cold);
}

/* ---------- 斜向引导线 ---------- */

.page-contact .c-thread {
  display: block;
  width: 100%;
  height: 44px;
  color: var(--c-lava);
  opacity: 0.28;
}

/* ---------- 三张不等宽卡片 ---------- */

.page-contact .c-grid {
  display: grid;
  gap: 22px;
  margin-top: 34px;
}

.page-contact .c-card {
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: var(--c-deep);
  padding: 24px 20px 26px;
}

.page-contact .c-card::before {
  content: "";
  display: block;
  width: 46px;
  height: 3px;
  border-radius: var(--r-pill);
  margin-bottom: 18px;
}

.page-contact .c-card--scope::before { background: var(--c-lava); }
.page-contact .c-card--fix::before { background: var(--c-amber); }
.page-contact .c-card--coop::before { background: var(--c-cold); }

.page-contact .c-card__title {
  margin: 0 0 16px;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: 21px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--c-mist);
}

.page-contact .c-card__body {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-graphite);
}

.page-contact .c-card__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--c-graphite);
}

.page-contact .c-card a {
  color: var(--c-cold);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 212, 198, 0.4);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .c-card a:hover,
.page-contact .c-card a:focus-visible {
  color: var(--c-amber);
  border-bottom-color: var(--c-amber);
}

.page-contact .c-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .c-list li {
  border-top: 1px solid var(--c-line);
  padding-top: 14px;
}

.page-contact .c-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .c-list__tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  background: rgba(255, 90, 31, 0.14);
  border: 1px solid rgba(255, 90, 31, 0.38);
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--c-amber-soft);
}

.page-contact .c-list__name {
  margin: 0 0 6px;
  font-weight: 700;
  font-size: 15px;
  color: var(--c-mist);
}

.page-contact .c-list li p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-graphite);
}

.page-contact .c-figure {
  margin: 0 0 16px;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--c-line);
  background: var(--c-night);
}

.page-contact .c-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .c-dots {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .c-dots li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-graphite);
}

.page-contact .c-dots li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  border-radius: var(--r-pill);
  background: var(--c-amber);
}

.page-contact .c-steps {
  list-style: none;
  margin: 0 0 4px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .c-steps li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-mist);
}

.page-contact .c-steps span {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(47, 212, 198, 0.14);
  border: 1px solid rgba(47, 212, 198, 0.42);
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--c-cold);
}

/* ---------- 回复节奏 ---------- */

.page-contact .c-rhythm {
  background: linear-gradient(120deg, var(--c-cold-deep) 0%, var(--c-deep) 58%, var(--c-night) 100%);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  padding: 44px 0;
}

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

.page-contact .c-rhythm__mark {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-left: 3px solid var(--c-cold);
  padding-left: 16px;
}

.page-contact .c-rhythm__unit {
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: clamp(30px, 9vw, 56px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-cold);
}

.page-contact .c-rhythm__cap {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--c-graphite);
}

.page-contact .c-rhythm__copy h2 {
  margin: 0 0 14px;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(22px, 5.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--c-mist);
}

.page-contact .c-rhythm__copy p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-graphite);
  max-width: 62ch;
}

.page-contact .c-rhythm__hint {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--c-line);
}

.page-contact .c-rhythm a {
  color: var(--c-cold);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 212, 198, 0.4);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .c-rhythm a:hover,
.page-contact .c-rhythm a:focus-visible {
  color: var(--c-amber);
  border-bottom-color: var(--c-amber);
}

/* ---------- 留白与收尾 ---------- */

.page-contact .c-breath {
  height: 260px;
  background: var(--c-night);
}

.page-contact .c-tail {
  display: grid;
  gap: 22px;
  align-items: center;
  border-radius: var(--r-lg);
  border: 1px solid var(--c-line);
  background: var(--c-deep);
  padding: 26px 22px;
}

.page-contact .c-tail__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--c-mist);
}

.page-contact .c-tail__text a {
  color: var(--c-cold);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 212, 198, 0.4);
}

.page-contact .c-tail__text a:hover,
.page-contact .c-tail__text a:focus-visible {
  color: var(--c-amber);
  border-bottom-color: var(--c-amber);
}

.page-contact .c-tail .pill-btn {
  justify-self: start;
}

/* ---------- 响应式 ---------- */

@media (min-width: 768px) {
  .page-contact .c-hero {
    padding: 40px 0 60px;
  }

  .page-contact .c-hero__frame {
    padding: 38px 40px 42px;
  }

  .page-contact .c-hero__lede {
    font-size: 17px;
  }

  .page-contact .c-direct {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 34px;
  }

  .page-contact .c-section {
    padding: 72px 0;
  }

  .page-contact .c-section--tight {
    padding-top: 34px;
  }

  .page-contact .c-lane {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 36px;
    margin-top: 42px;
  }

  .page-contact .c-lane__item:last-child {
    grid-column: 1 / -1;
    max-width: 60ch;
  }

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

  .page-contact .c-card {
    padding: 30px 28px 32px;
  }

  .page-contact .c-rhythm {
    padding: 60px 0;
  }

  .page-contact .c-rhythm__inner {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .c-breath {
    height: 280px;
  }

  .page-contact .c-tail {
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 30px 34px;
  }
}

@media (min-width: 1024px) {
  .page-contact .c-hero__frame {
    padding: 46px 52px 50px;
  }

  .page-contact .c-lane {
    grid-template-columns: 5fr 4fr;
  }

  .page-contact .c-lane__item:last-child {
    grid-column: auto;
    max-width: none;
    margin-top: 52px;
  }

  .page-contact .c-lane__item:nth-child(2) {
    margin-top: 52px;
  }

  .page-contact .c-grid {
    grid-template-columns: 5fr 3fr 4fr;
    gap: 28px;
    align-items: start;
    margin-top: 42px;
  }

  .page-contact .c-grid > :nth-child(2) {
    margin-top: 46px;
  }

  .page-contact .c-grid > :nth-child(3) {
    margin-top: 78px;
  }

  .page-contact .c-card--scope {
    padding: 34px 32px 36px;
  }

  .page-contact .c-thread {
    height: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .c-direct__item,
  .page-contact .c-direct__value,
  .page-contact .c-crumb a,
  .page-contact .c-card a,
  .page-contact .c-rhythm a {
    transition: none;
  }
}