.page-contact {
  --pc-line: rgba(106, 66, 40, .2);
  --pc-line-soft: rgba(106, 66, 40, .12);
  --pc-cream-80: rgba(247, 239, 223, .8);
  --pc-cream-68: rgba(247, 239, 223, .68);
  background: var(--cream);
  color: var(--ink);
  padding-bottom: 88px;
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

.page-contact .crumbs {
  padding-top: 26px;
}

.page-contact #channels,
.page-contact #feedback {
  scroll-margin-top: 92px;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  display: grid;
  gap: 30px;
  padding-top: 18px;
  padding-bottom: 56px;
  align-items: start;
}

.page-contact .contact-hero h1 {
  margin: 10px 0 0;
  font-family: var(--serif);
  font-size: clamp(29px, 5.4vw, 50px);
  line-height: 1.18;
  letter-spacing: -.012em;
  color: var(--ink);
}

.page-contact .contact-hero__lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact .contact-hero__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: 54px;
    padding-top: 30px;
    padding-bottom: 78px;
  }
}

/* ---------- 图片容器 ---------- */

.page-contact .contact-shot {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--felt);
  border: 6px solid var(--wood-deep);
  box-shadow: var(--shadow-soft);
}

.page-contact .contact-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .contact-shot__cap {
  margin: 0;
  padding: 11px 16px 13px;
  background: var(--felt);
  color: var(--pc-cream-68);
  font-size: 12.5px;
  line-height: 1.65;
}

.page-contact .contact-hero__shot {
  margin-top: 4px;
}

/* ---------- 三种联系方式 ---------- */

.page-contact .contact-channels {
  padding-bottom: 68px;
}

.page-contact .channel-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: channel;
}

.page-contact .channel {
  position: relative;
  padding: 24px 22px 22px;
  border-radius: var(--r-lg) var(--r-lg) var(--r-lg) 6px;
  background: linear-gradient(166deg, var(--paper), var(--cream));
  border: 1px solid var(--pc-line);
  border-left: 6px solid var(--wood);
  box-shadow: var(--shadow-plate);
  transition: transform .18s var(--ease), border-left-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-contact .channel:hover {
  transform: translateY(-2px);
  border-left-color: var(--dice);
  box-shadow: 0 10px 22px -18px rgba(18, 51, 40, .75);
}

.page-contact .channel__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--felt);
  color: var(--chip);
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .04em;
}

.page-contact .channel__title {
  margin: 14px 0 0;
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1.35;
  color: var(--ink);
}

.page-contact .channel__desc {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .channel__value {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pc-line);
  font-family: var(--mono);
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--teal-deep);
  word-break: break-word;
}

.page-contact .channel__meta {
  margin: 9px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--wood-deep);
}

@media (min-width: 780px) {
  .page-contact .channel-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

/* ---------- 落座反馈 ---------- */

.page-contact .feedback-band {
  padding-block: 58px 62px;
  background: var(--felt);
  color: var(--cream);
  border-top: 6px solid var(--wood-deep);
  border-bottom: 6px solid var(--wood-deep);
}

.page-contact .feedback-grid {
  display: grid;
  gap: 36px;
}

.page-contact .feedback-band .eyebrow {
  color: var(--chip);
}

.page-contact .feedback-brief h2 {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.32;
  color: var(--cream);
}

.page-contact .feedback-brief__lede {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--pc-cream-80);
}

.page-contact .feedback-shot {
  margin-top: 26px;
  border-color: var(--wood);
  box-shadow: 0 26px 46px -30px rgba(0, 0, 0, .85);
}

.page-contact .brief-points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-contact .brief-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pc-cream-80);
}

.page-contact .brief-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 10px;
  height: 2px;
  background: var(--chip);
}

.page-contact .brief-points strong {
  color: var(--chip);
  font-weight: 600;
}

.page-contact .feedback-panel {
  padding: 26px 20px 28px;
  border-radius: var(--r-lg);
  background: var(--paper);
  color: var(--ink);
  border-top: 6px solid var(--wood);
  box-shadow: 0 26px 52px -34px rgba(0, 0, 0, .9);
}

@media (min-width: 560px) {
  .page-contact .feedback-panel {
    padding: 32px 30px 34px;
  }
}

@media (min-width: 920px) {
  .page-contact .feedback-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 452px);
    gap: 54px;
    align-items: start;
  }
}

.page-contact .feedback-panel__title {
  margin: 0;
  font-family: var(--serif);
  font-size: 21px;
  color: var(--ink);
}

.page-contact .feedback-panel__sub {
  margin: 8px 0 22px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--wood-deep);
}

.page-contact .field {
  margin: 0 0 20px;
  padding: 0;
  border: 0;
}

.page-contact .field__label {
  display: block;
  margin-bottom: 8px;
  padding: 0;
  font-family: var(--sans);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--wood-deep);
}

.page-contact .field__input {
  display: block;
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--cream);
  border: 1.5px solid var(--pc-line);
  border-radius: 12px;
  transition: border-color .16s var(--ease), box-shadow .16s var(--ease), background .16s var(--ease);
}

.page-contact .field__input::placeholder {
  color: rgba(75, 58, 43, .45);
}

.page-contact .field__input:focus {
  outline: none;
  background: var(--paper);
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(31, 111, 109, .18);
}

.page-contact .field__input--mono {
  font-family: var(--mono);
  letter-spacing: .02em;
}

.page-contact .field__input--area {
  min-height: 112px;
  line-height: 1.7;
  resize: vertical;
}

.page-contact .field__hint {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.65;
  color: var(--wood-deep);
}

.page-contact .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .chip {
  position: relative;
  display: inline-flex;
  cursor: pointer;
}

.page-contact .chip input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  opacity: 0;
}

.page-contact .chip span {
  display: inline-block;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  border: 1.5px solid var(--pc-line);
  background: var(--cream);
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.25;
  transition: background .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease), box-shadow .16s var(--ease);
}

.page-contact .chip:hover span {
  border-color: var(--wood);
}

.page-contact .chip input:checked + span {
  background: var(--felt);
  border-color: var(--felt);
  color: var(--cream);
  box-shadow: inset 0 0 0 2px var(--chip);
}

.page-contact .chip input:focus-visible + span {
  outline: 3px solid var(--teal);
  outline-offset: 2px;
}

.page-contact .feedback-panel__submit {
  display: flex;
  justify-content: center;
  width: 100%;
  margin-top: 4px;
}

.page-contact .feedback-panel__note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--wood-deep);
}

@media (max-width: 719px) {
  .page-contact .feedback-panel__submit {
    position: sticky;
    bottom: 14px;
    z-index: 2;
    box-shadow: 0 12px 26px -14px rgba(18, 51, 40, .75);
  }
}

/* ---------- 常见场景 ---------- */

.page-contact .scene-band {
  padding-block: 70px 0;
}

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

.page-contact .scene {
  padding: 22px 20px 20px;
  border-radius: 4px var(--r-md) var(--r-md) 4px;
  background: var(--paper);
  border-left: 4px solid var(--chip);
  box-shadow: 0 1px 0 var(--pc-line-soft);
}

.page-contact .scene__tag {
  margin: 0;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--dice);
}

.page-contact .scene__title {
  margin: 10px 0 0;
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.42;
  color: var(--ink);
}

.page-contact .scene__body {
  margin: 9px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .scene__channel {
  margin: 15px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--pc-line);
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--teal-deep);
}

@media (min-width: 720px) {
  .page-contact .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 1060px) {
  .page-contact .scene-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 合作共建 ---------- */

.page-contact .coop-band {
  margin-top: 74px;
  padding-block: 56px;
  border-block: 1px solid var(--pc-line);
  background:
    repeating-linear-gradient(114deg, rgba(183, 122, 69, .09) 0 14px, rgba(183, 122, 69, .15) 14px 28px),
    var(--cream);
}

.page-contact .coop-band__inner {
  display: grid;
  gap: 28px;
}

.page-contact .coop-band h2 {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-size: clamp(23px, 3.4vw, 32px);
  line-height: 1.34;
  color: var(--ink);
}

.page-contact .coop-band__lede {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact .coop-band__contact {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  word-break: break-word;
}

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

.page-contact .coop-list li {
  padding: 15px 18px;
  border-radius: var(--r-md);
  background: var(--paper);
  border-left: 4px solid var(--wood);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-contact .coop-list strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--serif);
  font-size: 15.5px;
  color: var(--ink);
}

@media (min-width: 880px) {
  .page-contact .coop-band__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: 48px;
    align-items: start;
  }
}

/* ---------- 地址与备案 ---------- */

.page-contact .envelope-band {
  padding-block: 72px 0;
}

.page-contact .envelope {
  position: relative;
  margin-top: 26px;
  padding: 32px 20px 26px;
  border-radius: var(--r-lg);
  background: var(--paper);
  border: 1px solid var(--pc-line);
  overflow: hidden;
}

.page-contact .envelope::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 6px;
  background: repeating-linear-gradient(90deg,
    var(--dice) 0 20px,
    var(--cream) 20px 26px,
    var(--teal) 26px 46px,
    var(--cream) 46px 52px);
}

.page-contact .envelope__stamp {
  position: absolute;
  top: 18px;
  right: 16px;
  color: var(--wood);
  opacity: .38;
  transform: rotate(-9deg);
  pointer-events: none;
}

.page-contact .envelope__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--pc-line);
}

.page-contact .envelope__row:first-child {
  padding-top: 6px;
}

.page-contact .envelope__label {
  flex: 0 0 82px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--wood-deep);
}

.page-contact .envelope__value {
  flex: 1 1 220px;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink);
}

.page-contact .envelope__value--mono {
  font-family: var(--mono);
  letter-spacing: .02em;
  word-break: break-word;
}

.page-contact .envelope__note {
  margin: 18px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--wood-deep);
}

@media (min-width: 820px) {
  .page-contact .envelope {
    padding: 38px 40px 32px;
  }

  .page-contact .envelope__stamp {
    top: 26px;
    right: 34px;
  }

  .page-contact .envelope__rows {
    max-width: 760px;
  }
}

/* ---------- 收尾索引 ---------- */

.page-contact .closing-band {
  padding-top: 62px;
}

.page-contact .closing-grid {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .closing-card {
  display: block;
  padding: 20px 20px 22px;
  border-radius: var(--r-md);
  background: var(--felt);
  color: var(--cream);
  text-decoration: none;
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.4;
  transition: background .18s var(--ease), transform .18s var(--ease);
}

.page-contact .closing-card span {
  display: block;
  margin-top: 7px;
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--pc-cream-68);
}

.page-contact .closing-card:hover,
.page-contact .closing-card:focus-visible {
  background: var(--felt-light);
  transform: translateY(-2px);
}

@media (min-width: 760px) {
  .page-contact .closing-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .closing-card,
  .page-contact .chip span,
  .page-contact .field__input {
    transition: none;
  }

  .page-contact .channel:hover,
  .page-contact .closing-card:hover,
  .page-contact .closing-card:focus-visible {
    transform: none;
  }
}
<<<END>>>