.page-contact {
  --contact-hero-pad: clamp(20px, 3vw, 40px);
  --contact-gap: clamp(24px, 4vw, 48px);
  --contact-radius: 4px;
  padding-bottom: clamp(40px, 6vw, 80px);
  overflow-x: clip;
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding-block: var(--contact-hero-pad) clamp(32px, 5vw, 64px);
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image: repeating-linear-gradient(
    -45deg,
    transparent 0,
    transparent 38px,
    rgba(63, 240, 196, 0.035) 38px,
    rgba(63, 240, 196, 0.035) 39px
  );
}
.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 28px);
}
.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--contact-gap);
  align-items: end;
}
.page-contact .contact-hero__copy h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 8vw, 78px);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 8px 0 clamp(16px, 2.4vw, 24px);
  color: var(--paper);
}
.page-contact .contact-hero__copy .lead {
  max-width: 38ch;
  color: var(--cool);
}
.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}
.page-contact .contact-hero__actions .btn {
  min-height: 44px;
}
.page-contact .contact-hero__media {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: var(--contact-radius);
  border-left: 2px solid var(--cyan);
  background: var(--void);
}
.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* 反馈前准备 */
.page-contact .contact-prep .section__head {
  margin-bottom: clamp(20px, 3vw, 32px);
}
.page-contact .contact-prep .lead {
  max-width: 42ch;
}
.page-contact .prep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(12px, 2vw, 18px);
}
.page-contact .prep-item {
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--contact-radius);
  border-left: 2px solid var(--line);
}
.page-contact .prep-item__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  border: 1px solid var(--line);
  padding: 2px 8px;
  border-radius: 3px;
  margin-bottom: 14px;
}
.page-contact .prep-item h3 {
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.2;
  color: var(--paper);
  margin: 0 0 10px;
}
.page-contact .prep-item p {
  color: var(--cool);
  font-size: 15px;
  line-height: 1.75;
  margin: 0;
}

/* 双栏主体：渠道 / 流程 */
.page-contact .contact-main__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}
.page-contact .contact-main__col .section__head {
  margin-bottom: clamp(18px, 2.6vw, 26px);
}
.page-contact .contact-main__col .lead {
  max-width: 42ch;
}

.page-contact .channel-list {
  list-style: none;
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  padding: 0;
  display: grid;
  gap: clamp(12px, 2vw, 16px);
}
.page-contact .channel-card {
  padding: clamp(20px, 3vw, 26px);
  border-radius: var(--contact-radius);
  border-left: 2px solid var(--cyan);
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease);
}
.page-contact .channel-card:hover {
  transform: translateY(-3px);
  border-left-color: var(--orange);
}
.page-contact .channel-card__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 10px;
}
.page-contact .channel-card__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(17px, 2.4vw, 22px);
  line-height: 1.4;
  color: var(--paper);
  margin: 0 0 12px;
  word-break: break-word;
}
.page-contact .channel-card__value--addr {
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.65;
}
.page-contact .channel-card__use {
  color: var(--cool);
  font-size: 14px;
  line-height: 1.75;
  margin: 0 0 16px;
}
.page-contact .channel-card__copy {
  min-height: 44px;
}
.page-contact .contact-main__hint {
  font-size: 13px;
  line-height: 1.75;
  color: var(--cool);
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}
.page-contact .contact-main__hint a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed var(--line);
}

/* 处理流程 */
.page-contact .flow {
  list-style: none;
  margin: 0 0 clamp(24px, 4vw, 36px);
  padding: 0;
  display: grid;
  gap: 0;
}
.page-contact .flow__item {
  position: relative;
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 16px;
  padding-bottom: clamp(20px, 3vw, 28px);
}
.page-contact .flow__item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 22px;
  bottom: 0;
  width: 1px;
  background: var(--line);
}
.page-contact .flow__node {
  display: block;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  transform: rotate(45deg);
  border: 2px solid var(--cyan);
  background: var(--ink);
  position: relative;
  z-index: 1;
}
.page-contact .flow__body {
  min-width: 0;
}
.page-contact .flow__step {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin: 0 0 4px;
}
.page-contact .flow__item h3 {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.1vw, 22px);
  color: var(--paper);
  margin: 0 0 6px;
}
.page-contact .flow__desc {
  color: var(--cool);
  font-size: 15px;
  line-height: 1.75;
  margin: 0 0 8px;
}
.page-contact .flow__time {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--orange);
  border: 1px solid rgba(255, 106, 43, 0.4);
  padding: 3px 9px;
  border-radius: 3px;
  margin: 0;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-contact .flow__item:hover .flow__time,
.page-contact .flow__item:focus-within .flow__time {
  color: var(--lime);
  border-color: rgba(140, 255, 107, 0.55);
}

/* 反馈模板 */
.page-contact .contact-template {
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--contact-radius);
  border-top: 2px solid var(--orange);
}
.page-contact .contact-template__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0 0 8px;
}
.page-contact .contact-template h3 {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.1vw, 22px);
  color: var(--paper);
  margin: 0 0 14px;
}
.page-contact .contact-template__body {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--paper);
  background: var(--ink);
  border: 1px dashed var(--line);
  padding: 14px 16px;
  border-radius: var(--contact-radius);
  margin: 0 0 16px;
  white-space: pre-wrap;
  overflow-x: auto;
}
.page-contact .contact-template .btn {
  min-height: 44px;
}

/* 合作洽谈 */
.page-contact .contact-coop {
  padding-top: clamp(32px, 5vw, 56px);
}
.page-contact .coop {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  padding-top: clamp(24px, 4vw, 44px);
  border-top: 1px solid var(--line-soft);
  align-items: start;
}
.page-contact .coop .lead {
  max-width: 44ch;
}
.page-contact .coop__list {
  list-style: none;
  margin: clamp(16px, 2.4vw, 24px) 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-contact .coop__list li {
  position: relative;
  padding-left: 20px;
  color: var(--paper);
  font-size: 15px;
  line-height: 1.7;
}
.page-contact .coop__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 8px;
  transform: rotate(45deg);
  background: var(--cyan);
}
.page-contact .coop__note {
  font-size: 14px;
  line-height: 1.75;
  color: var(--cool);
  margin: 0 0 clamp(18px, 2.6vw, 24px);
  padding-left: 14px;
  border-left: 1px solid var(--line);
}
.page-contact .coop .btn {
  min-height: 44px;
}
.page-contact .coop__media {
  margin: 0;
  border-radius: var(--contact-radius);
  overflow: hidden;
  background: var(--void);
  border-right: 2px solid var(--cyan);
}
.page-contact .coop__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* 到访与位置 */
.page-contact .visit {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(24px, 4vw, 40px);
  border-radius: var(--contact-radius);
  background: linear-gradient(135deg, var(--moss) 0%, var(--void) 100%);
}
.page-contact .visit .lead {
  max-width: 44ch;
}
.page-contact .visit__rows {
  display: grid;
  gap: 0;
  margin-top: clamp(16px, 2.4vw, 24px);
}
.page-contact .visit__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--line-soft);
}
.page-contact .visit__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-contact .visit__val {
  color: var(--paper);
  font-size: 15px;
  line-height: 1.65;
  word-break: break-word;
}
.page-contact .visit__tip {
  color: var(--cool);
  font-size: 14px;
  line-height: 1.75;
  margin: 0 0 16px;
}
.page-contact .visit__side .btn {
  min-height: 44px;
}

/* 相关页面 */
.page-contact .contact-related .section__head {
  margin-bottom: clamp(18px, 2.6vw, 26px);
}
.page-contact .contact-related__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(12px, 2vw, 18px);
}
.page-contact .contact-related__card {
  display: block;
  padding: clamp(20px, 3vw, 26px);
  border-radius: var(--contact-radius);
  color: inherit;
  text-decoration: none;
  border: 1px solid var(--line-soft);
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease);
}
.page-contact .contact-related__card:hover,
.page-contact .contact-related__card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--line);
}
.page-contact .contact-related__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin-bottom: 10px;
}
.page-contact .contact-related__card h3 {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.1vw, 21px);
  color: var(--paper);
  margin: 0 0 8px;
}
.page-contact .contact-related__card p {
  color: var(--cool);
  font-size: 14px;
  line-height: 1.75;
  margin: 0;
}

/* 平板 */
@media (min-width: 640px) {
  .page-contact .visit__row {
    grid-template-columns: 96px 1fr;
    gap: 16px;
    align-items: baseline;
  }
  .page-contact .contact-related__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 桌面 */
@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: end;
  }
  .page-contact .prep-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-contact .contact-main__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
  .page-contact .coop {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: stretch;
  }
  .page-contact .coop__media {
    height: 100%;
  }
  .page-contact .coop__media img {
    height: 100%;
    aspect-ratio: auto;
  }
  .page-contact .visit {
    grid-template-columns: 1.5fr 1fr;
    align-items: start;
  }
  .page-contact .visit__side {
    border-left: 1px solid var(--line-soft);
    padding-left: clamp(20px, 3vw, 32px);
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-related__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .contact-related__card,
  .page-contact .flow__time {
    transition: none;
  }
  .page-contact .channel-card:hover,
  .page-contact .contact-related__card:hover,
  .page-contact .contact-related__card:focus-visible {
    transform: none;
  }
}
<<<END>>>