.page-contact .contact-hero {
  padding-block: clamp(18px, 3vw, 36px) clamp(36px, 5vw, 64px);
}

.page-contact .breadcrumbs {
  margin-bottom: clamp(16px, 2vw, 26px);
}

/* ---------- 框景首屏 ---------- */
.page-contact .hero-frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 3px solid var(--line);
  box-shadow: var(--shadow-hard);
  background: var(--ink-deep);
}

.page-contact .hero-frame__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .hero-frame__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.42;
}

.page-contact .hero-frame__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(8, 33, 28, 0.42) 0%, rgba(8, 33, 28, 0.94) 72%),
    linear-gradient(90deg, rgba(11, 43, 36, 0.85) 0%, rgba(11, 43, 36, 0) 62%);
}

.page-contact .hero-frame__ticks {
  position: absolute;
  inset: 10px;
  z-index: 3;
  pointer-events: none;
  border: 1px dashed rgba(198, 255, 61, 0.32);
}

.page-contact .hero-frame__label {
  position: absolute;
  top: 22px;
  right: 24px;
  z-index: 4;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--lime);
  text-transform: uppercase;
}

.page-contact .hero-frame__body {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 16px;
  min-height: 400px;
  padding: clamp(26px, 5vw, 62px) clamp(22px, 4.5vw, 58px);
}

.page-contact .hero-frame__body h1 {
  margin: 0;
  font-size: clamp(30px, 6.4vw, 62px);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 20ch;
}

.page-contact .hero-frame__body .lede {
  max-width: 62ch;
  margin: 0;
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

@media (min-width: 760px) {
  .page-contact .hero-frame__body {
    min-height: 520px;
  }
}

/* ---------- 三类合作方向 ---------- */
.page-contact .section {
  padding-block: clamp(46px, 6.5vw, 88px);
  border-top: 1px solid var(--line);
}

.page-contact .section__head {
  margin-bottom: clamp(26px, 3.6vw, 46px);
}

.page-contact .tracks {
  display: grid;
  gap: 20px;
}

.page-contact .track {
  position: relative;
  padding: 30px 22px 28px;
  border: 2px solid var(--line);
  background: var(--char);
  transition: transform var(--t-fast), box-shadow var(--t-fast), border-color var(--t-fast);
}

.page-contact .track::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--track-accent, var(--lime));
}

.page-contact .track--a { --track-accent: var(--lime); }
.page-contact .track--b { --track-accent: var(--home); }
.page-contact .track--c { --track-accent: var(--away); }

.page-contact .track:hover,
.page-contact .track:focus-within {
  transform: translate(-3px, -3px);
  border-color: var(--track-accent, var(--lime));
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.45);
}

.page-contact .track__num {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--track-accent, var(--lime));
  text-transform: uppercase;
}

.page-contact .track__title {
  margin: 0 0 10px;
  font-size: clamp(21px, 2.6vw, 26px);
  font-weight: 400;
  color: var(--paper);
}

.page-contact .track__who {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--neutral);
}

.page-contact .track__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
}

.page-contact .track__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .track__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--paper);
}

.page-contact .track__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--track-accent, var(--lime));
}

.page-contact .track__need {
  display: block;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

@media (min-width: 900px) {
  .page-contact .tracks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
  .page-contact .track:nth-child(2) { margin-top: 42px; }
  .page-contact .track:nth-child(3) { margin-top: 84px; }
}

/* ---------- 联系方式 ---------- */
.page-contact .channels {
  display: grid;
  gap: 16px;
}

.page-contact .channel {
  padding: 24px 20px 22px;
  border: 3px solid var(--line);
  background: var(--ink-deep);
  transition: transform var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
}

.page-contact .channel:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(198, 255, 61, 0.26);
}

.page-contact .channel--email:hover,
.page-contact .channel--hours:hover { border-color: var(--lime); }
.page-contact .channel--phone:hover { border-color: var(--home); }
.page-contact .channel--addr:hover { border-color: var(--away); }

.page-contact .channel__k {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--neutral);
  text-transform: uppercase;
}

.page-contact .channel__v {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(17px, 3.6vw, 24px);
  line-height: 1.32;
  color: var(--lime);
  word-break: break-word;
}

.page-contact .channel--phone .channel__v {
  font-size: clamp(26px, 6vw, 40px);
  color: var(--home);
  letter-spacing: 0.02em;
}

.page-contact .channel--addr .channel__v {
  color: var(--paper);
}

.page-contact .channel__v--sm {
  font-size: clamp(15px, 2.2vw, 18px);
  line-height: 1.6;
}

.page-contact .channel--hours .channel__v {
  color: var(--amber);
}

.page-contact .channel__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--neutral);
}

@media (min-width: 800px) {
  .page-contact .channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .channel--email { grid-column: 1 / 2; }
  .page-contact .channel--phone { grid-column: 2 / 3; }
  .page-contact .channel--addr { grid-column: 1 / 2; }
  .page-contact .channel--hours { grid-column: 2 / 3; }
}

@media (min-width: 1080px) {
  .page-contact .channels {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr);
  }
  .page-contact .channel--email { grid-column: 1 / 2; grid-row: 1 / 3; }
  .page-contact .channel--phone { grid-column: 2 / 3; grid-row: 1 / 2; }
  .page-contact .channel--hours { grid-column: 3 / 4; grid-row: 1 / 2; }
  .page-contact .channel--addr { grid-column: 2 / 4; grid-row: 2 / 3; }
  .page-contact .channel--email .channel__v {
    font-size: clamp(20px, 2.2vw, 28px);
  }
}

/* ---------- 来信清单 ---------- */
.page-contact .contact-letter {
  background: linear-gradient(180deg, rgba(30, 74, 63, 0.34) 0%, rgba(11, 43, 36, 0) 100%);
}

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

.page-contact .checklist__item {
  border: 2px solid var(--line);
  background: var(--char);
  transition: border-color var(--t-fast), background-color var(--t-fast);
}

.page-contact .checklist__item:hover {
  border-color: var(--lime);
  background: var(--teal);
}

.page-contact .check {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  cursor: pointer;
}

.page-contact .check__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-contact .check__box {
  flex: none;
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 2px solid var(--neutral);
  background: transparent;
  transition: border-color var(--t-fast), background-color var(--t-fast);
}

.page-contact .check__box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 0;
  width: 8px;
  height: 14px;
  border-right: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
  transform: rotate(45deg) scale(0);
  transform-origin: center;
  transition: transform var(--t-fast);
}

.page-contact .check__input:checked + .check__box {
  border-color: var(--lime);
  background: var(--lime);
}

.page-contact .check__input:checked + .check__box::after {
  transform: rotate(45deg) scale(1);
}

.page-contact .check__input:focus-visible + .check__box {
  outline: 3px solid var(--lime);
  outline-offset: 3px;
}

.page-contact .check__text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .check__text strong {
  display: block;
  color: var(--lime);
  font-weight: 500;
  margin-bottom: 2px;
}

@media (min-width: 900px) {
  .page-contact .checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .checklist__item:first-child {
    grid-column: 1 / -1;
  }
}

/* ---------- 四步流程 ---------- */
.page-contact .flow-layout {
  display: grid;
  gap: 32px;
}

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

.page-contact .flow__step {
  position: relative;
  padding: 0 0 32px 42px;
}

.page-contact .flow__step:last-child {
  padding-bottom: 0;
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 20px;
  bottom: 0;
  width: 2px;
  background: var(--line);
}

.page-contact .flow__step:last-child::before {
  display: none;
}

.page-contact .flow__mark {
  position: absolute;
  left: 0;
  top: 5px;
  width: 16px;
  height: 16px;
  background: var(--lime);
  box-shadow: 0 0 0 5px rgba(198, 255, 61, 0.12);
}

.page-contact .flow__content {
  transition: transform var(--t-fast);
}

.page-contact .flow__step:hover .flow__content,
.page-contact .flow__step:focus-within .flow__content {
  transform: translateX(4px);
}

.page-contact .flow__num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--neutral);
  text-transform: uppercase;
}

.page-contact .flow__title {
  margin: 0 0 8px;
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 400;
  color: var(--paper);
}

.page-contact .flow__text {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
  max-width: 54ch;
}

.page-contact .flow__time {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-contact .flow-media {
  margin: 0;
  border: 2px solid var(--line);
  background: var(--char);
  overflow: hidden;
}

.page-contact .flow-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-bottom: 2px solid var(--line);
}

.page-contact .flow-media .media__caption {
  display: block;
  padding: 14px 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--neutral);
}

@media (min-width: 960px) {
  .page-contact .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }
  .page-contact .flow__step:nth-child(2)::before {
    display: none;
  }
  .page-contact .flow__step:nth-child(2),
  .page-contact .flow__step:nth-child(4) {
    padding-bottom: 0;
  }
}

@media (min-width: 1120px) {
  .page-contact .flow-layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }
}

/* ---------- 常见合作场景 ---------- */
.page-contact .contact-scenes {
  border-bottom: 1px solid var(--line);
}

.page-contact .scenes {
  display: grid;
  gap: 18px;
}

.page-contact .scene {
  --scene-accent: var(--lime);
  padding: 24px 22px 22px;
  border: 2px solid var(--line);
  border-left: 5px solid var(--scene-accent);
  background: rgba(30, 74, 63, 0.4);
  transition: transform var(--t-fast), background-color var(--t-fast);
}

.page-contact .scene:hover {
  transform: translate(-3px, -3px);
  background: var(--teal);
}

.page-contact .scene--b { --scene-accent: var(--home); }
.page-contact .scene--c { --scene-accent: var(--away); }

.page-contact .scene__title {
  margin: 0 0 12px;
  font-size: clamp(18px, 2.3vw, 22px);
  font-weight: 400;
  color: var(--paper);
}

.page-contact .scene__text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
}

.page-contact .scene__how {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--scene-accent);
}

.page-contact .scenes-foot {
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--neutral);
}

.page-contact .link-inline {
  color: var(--lime);
  text-decoration: underline;
  text-decoration-color: rgba(198, 255, 61, 0.45);
  text-underline-offset: 3px;
  transition: color var(--t-fast), text-decoration-color var(--t-fast);
}

.page-contact .link-inline:hover,
.page-contact .link-inline:focus-visible {
  color: var(--paper);
  text-decoration-color: var(--lime);
}

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