.page-contact {
  position: relative;
  background:
    radial-gradient(1100px 520px at 88% -6%, rgba(53, 242, 160, .07), transparent 60%),
    radial-gradient(900px 460px at 4% 14%, rgba(255, 198, 99, .05), transparent 62%),
    var(--bg);
  color: var(--ink);
}

.page-contact .contact-crumbs {
  padding-top: clamp(16px, 2.4vw, 26px);
  margin-bottom: clamp(10px, 1.8vw, 20px);
}

.page-contact .contact-hero {
  padding-top: 0;
  padding-bottom: clamp(38px, 5.5vw, 74px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-contact .contact-hero__lead .display {
  margin: 12px 0 clamp(16px, 2vw, 24px);
}

.page-contact .contact-hero__lead .prose + .prose {
  margin-top: 14px;
}

.page-contact .prose a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 160, .4);
}

.page-contact .prose a:hover {
  border-bottom-color: var(--green);
}

.page-contact .hero-quick {
  position: relative;
  display: grid;
  gap: 2px;
  padding: clamp(20px, 2.8vw, 30px);
  background: linear-gradient(155deg, var(--bg-panel), rgba(30, 58, 110, .5));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .hero-quick::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green), var(--gold));
}

.page-contact .quick-row {
  display: grid;
  gap: 6px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}

.page-contact .quick-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .quick-row:first-child {
  padding-top: 4px;
}

.page-contact .quick-label {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mute);
}

.page-contact .quick-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(14px, 1.5vw, 17px);
  font-weight: 700;
  color: var(--ink);
  word-break: break-all;
  line-height: 1.4;
}

.page-contact .quick-value--green {
  color: var(--green);
}

.page-contact .section-head {
  max-width: 46em;
}

.page-contact .section-head .display {
  margin: 10px 0 0;
}

.page-contact .section-head .prose {
  margin-top: 14px;
}

/* 反馈流程 */

.page-contact .contact-flow__media {
  display: block;
  margin: clamp(22px, 3vw, 34px) 0 0;
  aspect-ratio: 12 / 5;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  background: linear-gradient(140deg, rgba(30, 58, 110, .65), rgba(5, 11, 26, .92));
}

.page-contact .contact-flow__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .contact-flow__steps {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .flow-step {
  padding: 18px 20px 20px;
  border-left: 2px solid var(--green);
  background: linear-gradient(90deg, var(--green-soft), transparent 78%);
}

.page-contact .flow-step__idx {
  display: block;
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--gold);
  margin-bottom: 8px;
}

.page-contact .flow-step h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 1.9vw, 20px);
  font-weight: 700;
  color: var(--ink);
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mute);
}

/* 表单区 */

.page-contact .contact-desk__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 46px);
  align-items: start;
}

.page-contact .contact-desk__main .display {
  margin: 10px 0 0;
}

.page-contact .contact-desk__main > .prose {
  margin-top: 14px;
}

.page-contact .feedback-card {
  margin-top: clamp(22px, 3vw, 32px);
  padding: clamp(20px, 3vw, 34px);
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-contact .field-block {
  display: grid;
  gap: 10px;
}

.page-contact .field-label {
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--mute);
}

.page-contact .pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  font-size: 14px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--mute);
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-contact .pill input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .pill:hover {
  color: var(--ink);
  border-color: var(--green-deep);
}

.page-contact .pill:has(input:checked) {
  background: var(--green-soft);
  border-color: var(--green);
}

.page-contact .pill input:checked + span {
  color: var(--green);
  font-weight: 700;
}

.page-contact .pill:has(input:focus-visible) {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.page-contact .field-input {
  box-sizing: border-box;
  width: 100%;
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  background: rgba(5, 11, 26, .55);
  border: 1px solid var(--line);
  border-radius: 10px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-contact .field-input::placeholder {
  color: rgba(159, 179, 217, .62);
}

.page-contact .field-input:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-soft);
}

.page-contact .field-input--area {
  min-height: 118px;
  line-height: 1.7;
  resize: vertical;
}

.page-contact .field-hint {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mute);
}

.page-contact .feedback-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  justify-content: space-between;
  padding-top: 4px;
}

.page-contact .feedback-foot__note {
  flex: 1 1 16em;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mute);
}

.page-contact .feedback-foot__note a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 160, .4);
}

.page-contact .contact-desk__side {
  display: grid;
  gap: 16px;
}

.page-contact .info-card {
  padding: 20px 22px 22px;
  background: linear-gradient(160deg, rgba(30, 58, 110, .55), rgba(15, 34, 73, .92));
  border: 1px solid var(--line);
  clip-path: polygon(16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%, 0 16px);
}

.page-contact .info-card--gold {
  background: linear-gradient(160deg, rgba(255, 198, 99, .1), rgba(15, 34, 73, .92));
}

.page-contact .info-card__title {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-contact .info-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute);
}

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

.page-contact .tip-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mute);
}

.page-contact .tip-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 6px;
  background: var(--green);
  transform: rotate(45deg);
}

/* 提交之后 */

.page-contact .contact-after__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-contact .contact-after__head .display {
  margin: 10px 0 0;
}

.page-contact .contact-after__head .prose {
  margin-top: 14px;
}

.page-contact .contact-after__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .after-step {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 0 0 clamp(24px, 3vw, 34px) 30px;
  border-left: 1px solid var(--line);
}

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

.page-contact .after-step::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 8px;
  width: 9px;
  height: 9px;
  background: var(--green);
  transform: rotate(45deg);
}

.page-contact .after-step__idx {
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-contact .after-step h3 {
  margin: 0;
  font-size: clamp(18px, 2.1vw, 22px);
  font-weight: 700;
  color: var(--ink);
}

.page-contact .after-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mute);
  max-width: 44em;
}

/* 自助排查 */

.page-contact .fast-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .fast-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 22px 20px;
  text-decoration: none;
  color: var(--ink);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}

.page-contact .fast-card:hover {
  transform: translateY(-3px);
  border-color: var(--green-deep);
  background: rgba(30, 58, 110, .5);
}

.page-contact .fast-card__tag {
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-contact .fast-card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
}

.page-contact .fast-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mute);
}

.page-contact .fast-card__go {
  margin-top: auto;
  padding-top: 10px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--green);
}

/* 地址氛围带 */

.page-contact .place-band {
  position: relative;
  margin-top: clamp(22px, 3vw, 32px);
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
  background: linear-gradient(120deg, rgba(5, 11, 26, .94), rgba(30, 58, 110, .5));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-contact .place-band__media {
  display: block;
  margin: 0;
  aspect-ratio: 5 / 3;
  overflow: hidden;
}

.page-contact .place-band__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .place-band__text {
  padding: clamp(22px, 3vw, 34px);
  display: grid;
  align-content: center;
  gap: 12px;
}

.page-contact .place-band__addr {
  margin: 0;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .place-band__text p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mute);
  max-width: 40em;
}

/* 合作与建议 */

.page-contact .contact-partner__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-contact .contact-partner__head .display {
  margin: 10px 0 0;
}

.page-contact .contact-partner__head .prose {
  margin-top: 14px;
}

.page-contact .accordion {
  display: grid;
  gap: 12px;
}

.page-contact .acc {
  border: 1px solid var(--line);
  background: rgba(15, 34, 73, .62);
  border-radius: 12px;
  overflow: hidden;
}

.page-contact .acc[open] {
  border-color: rgba(255, 198, 99, .42);
}

.page-contact .acc summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .acc summary::-webkit-details-marker {
  display: none;
}

.page-contact .acc summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--green);
}

.page-contact .acc[open] summary::after {
  content: "–";
  color: var(--gold);
}

.page-contact .acc__body {
  padding: 0 20px 18px;
}

.page-contact .acc__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mute);
  max-width: 44em;
}

/* 收尾 */

.page-contact .contact-close {
  padding-top: 0;
}

.page-contact .contact-footnote {
  margin: 0;
  padding-top: clamp(18px, 2.6vw, 28px);
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mute);
}

.page-contact .contact-footnote a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 160, .4);
}

/* 响应式 */

@media (min-width: 700px) {
  .page-contact .contact-flow__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .fast-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-contact .contact-after__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .contact-partner__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

@media (min-width: 1040px) {
  .page-contact .contact-desk__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }

  .page-contact .place-band {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .place-band__media {
    aspect-ratio: auto;
    min-height: 260px;
    height: 100%;
  }
}

@media (max-width: 640px) {
  .page-contact .contact-flow__media {
    aspect-ratio: 16 / 9;
  }

  .page-contact .place-band__media {
    aspect-ratio: 16 / 9;
  }

  .page-contact .feedback-foot {
    flex-direction: column;
    align-items: stretch;
  }

  .page-contact .feedback-foot .btn {
    width: 100%;
    text-align: center;
  }
}
<<<END>>>