.page-contact {
  --pc-line: rgba(27, 42, 65, .3);
  --pc-line-light: rgba(244, 233, 216, .22);
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-contact .sec-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.12;
  letter-spacing: -.01em;
  margin: 6px 0 14px;
}

.page-contact .sec-title--light {
  color: var(--cream);
}

.page-contact .index-label--light {
  color: var(--celadon-soft);
}

/* ---------- 首屏 ---------- */
.page-contact .hero {
  padding: clamp(18px, 3vw, 34px) 0 clamp(36px, 5vw, 66px);
  border-bottom: var(--rule-heavy) solid var(--ink);
  background-image:
    repeating-linear-gradient(90deg, rgba(27, 42, 65, .07) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(0deg, rgba(27, 42, 65, .07) 0 1px, transparent 1px 56px);
}

.page-contact .hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-contact .hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(34px, 5.6vw, 68px);
  line-height: 1.04;
  letter-spacing: -.03em;
  margin: 10px 0 18px;
}

.page-contact .hero__desc {
  max-width: 46ch;
  font-size: clamp(16px, 1.5vw, 17.5px);
  line-height: 1.78;
  color: var(--brown);
  margin: 0;
}

.page-contact .hero__pulse {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 22px 0 0;
  padding: 8px 14px;
  background: var(--celadon-light);
  border-left: 4px solid var(--celadon);
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .hero__pulse .coord-mono {
  letter-spacing: .01em;
}

.page-contact .hero__figure {
  aspect-ratio: 1 / 1;
  border: var(--rule-heavy) solid var(--ink);
  box-shadow: 10px 10px 0 var(--orange);
  background: var(--cream);
  overflow: hidden;
}

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

/* ---------- 联系坐标卡 ---------- */
.page-contact .coords {
  list-style: none;
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 0;
  display: grid;
  background: var(--cream);
  border: var(--rule-heavy) solid var(--ink);
}

.page-contact .coords__item {
  padding: clamp(16px, 2.4vw, 26px);
  border-bottom: var(--rule) solid var(--pc-line);
  min-width: 0;
}

.page-contact .coords__item:last-child {
  border-bottom: none;
}

.page-contact .coords__item--key {
  background: var(--celadon-light);
  box-shadow: inset 0 5px 0 var(--orange);
}

.page-contact .coords__key {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--fog);
  font-family: var(--font-mono);
}

.page-contact .coords__val {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  font-weight: 600;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .coords__val--lg {
  font-family: var(--font-mono);
  font-size: clamp(19px, 3.2vw, 28px);
  font-weight: 700;
  letter-spacing: .01em;
  line-height: 1.3;
}

.page-contact .coords__item--key .coords__val--lg {
  font-size: clamp(24px, 4.4vw, 38px);
}

.page-contact .coords__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--fog);
}

/* ---------- 通道 ---------- */
.page-contact .channels {
  padding: clamp(40px, 6vw, 84px) 0;
  border-bottom: var(--rule-heavy) solid var(--ink);
}

.page-contact .sect-head {
  max-width: 60ch;
  margin-bottom: clamp(22px, 3vw, 38px);
}

.page-contact .sect-desc {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--brown);
}

.page-contact .channels__grid {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-contact .channel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--cream);
  border: var(--rule-heavy) solid var(--ink);
  border-top: 6px solid var(--accent, var(--ink));
  box-shadow: 7px 7px 0 rgba(27, 42, 65, .14);
  transition: transform .18s ease, box-shadow .18s ease;
}

.page-contact .channel:hover {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 rgba(27, 42, 65, .18);
}

.page-contact .channel--urgent {
  --accent: var(--orange);
  background: var(--cream);
}

.page-contact .channel--service {
  --accent: var(--celadon);
  background: var(--celadon-light);
}

.page-contact .channel--partner {
  --accent: var(--ink);
  background: var(--cream);
}

.page-contact .channel__no {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent, var(--ink));
  font-weight: 700;
}

.page-contact .channel__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -.01em;
}

.page-contact .channel__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--brown);
}

.page-contact .channel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
}

.page-contact .channel__list li {
  position: relative;
  padding-left: 16px;
}

.page-contact .channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--accent, var(--ink));
}

.page-contact .channel__btn {
  margin-top: auto;
  align-self: flex-start;
}

/* ---------- 售后条款 ---------- */
.page-contact .promise {
  padding: clamp(40px, 6vw, 88px) 0;
  background-color: var(--night);
  background-image: repeating-linear-gradient(90deg, rgba(244, 233, 216, .07) 0 1px, transparent 1px 64px);
  color: var(--cream);
  border-bottom: var(--rule-heavy) solid var(--ink);
}

.page-contact .promise__grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .promise__lead {
  max-width: 54ch;
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  font-size: 16px;
  line-height: 1.78;
  color: rgba(244, 233, 216, .82);
}

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

.page-contact .promise__structure li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 2px 12px;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid var(--pc-line-light);
}

.page-contact .promise__structure li:last-child {
  border-bottom: 1px solid var(--pc-line-light);
}

.page-contact .promise__no {
  color: var(--orange);
  font-size: 13px;
  font-weight: 700;
}

.page-contact .promise__structure strong {
  font-size: 16px;
  font-weight: 600;
  color: var(--cream);
}

.page-contact .promise__structure span:last-child {
  grid-column: 2;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(244, 233, 216, .78);
}

.page-contact .promise__figure {
  aspect-ratio: 4 / 3;
  border: var(--rule-heavy) solid var(--orange);
  overflow: hidden;
  background: rgba(244, 233, 216, .08);
}

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

.page-contact .file-card {
  margin-top: clamp(16px, 2vw, 22px);
  border: var(--rule-heavy) solid var(--orange);
  background: rgba(255, 249, 239, .07);
}

.page-contact .file-card__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  line-height: 1.5;
  color: var(--cream);
}

.page-contact .file-card__summary::-webkit-details-marker {
  display: none;
}

.page-contact .file-card__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--orange);
}

.page-contact .file-card[open] .file-card__summary::after {
  content: "–";
}

.page-contact .file-card__name {
  font-weight: 600;
}

.page-contact .file-card__body {
  padding: 0 16px 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(244, 233, 216, .8);
}

.page-contact .file-card__body p {
  margin: 0 0 10px;
}

.page-contact .file-card__body p:last-child {
  margin-bottom: 0;
}

.page-contact .versions {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  border-top: 1px solid var(--pc-line-light);
}

.page-contact .versions li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 10px 0;
  font-size: 14px;
  color: rgba(244, 233, 216, .8);
  border-bottom: 1px solid rgba(244, 233, 216, .14);
}

.page-contact .versions .coord-mono {
  color: var(--celadon-soft);
  font-size: 12px;
  letter-spacing: .08em;
}

/* ---------- 到访 ---------- */
.page-contact .visit {
  padding: clamp(40px, 6vw, 88px) 0;
  border-bottom: var(--rule-heavy) solid var(--ink);
}

.page-contact .visit__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-contact .visit__text p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--brown);
  max-width: 52ch;
}

.page-contact .visit__text .btn {
  margin-top: 8px;
}

.page-contact .visit__card {
  background: var(--cream);
  border: var(--rule-heavy) solid var(--ink);
  padding: clamp(20px, 3vw, 32px);
  box-shadow: 10px 10px 0 var(--celadon);
}

.page-contact .visit__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--fog);
}

.page-contact .visit__addr {
  margin: 12px 0 16px;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.2vw, 22px);
  line-height: 1.65;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .visit__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--brown);
  padding-top: 12px;
  border-top: 1px solid var(--pc-line);
}

/* ---------- 合作 ---------- */
.page-contact .partner {
  padding: clamp(40px, 6vw, 84px) 0;
  background: var(--celadon-light);
  border-bottom: var(--rule-heavy) solid var(--ink);
}

.page-contact .partner__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-contact .partner__grid > div > p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--brown);
  max-width: 54ch;
}

.page-contact .partner__link {
  display: inline-block;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 3px solid var(--orange);
  padding-bottom: 2px;
}

.page-contact .partner__link:hover {
  color: var(--orange-deep);
}

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

.page-contact .partner__stats li {
  border-top: 3px solid var(--celadon);
  padding-top: 12px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--brown);
}

.page-contact .partner__stats span {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
  margin-bottom: 8px;
}

/* ---------- 常见问题 ---------- */
.page-contact .contact-faq {
  padding: clamp(40px, 6vw, 84px) 0;
  border-bottom: var(--rule-heavy) solid var(--ink);
}

.page-contact .faq-list {
  display: grid;
  gap: 10px;
  max-width: 860px;
}

.page-contact .faq-item {
  border: var(--rule) solid var(--ink);
  background: var(--cream);
}

.page-contact .faq-item summary {
  display: flex;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

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

.page-contact .faq-item summary::before {
  content: "Q";
  font-family: var(--font-mono);
  color: var(--orange-deep);
  flex: none;
}

.page-contact .faq-item[open] summary {
  border-bottom: 1px dashed var(--pc-line);
}

.page-contact .faq-item p {
  margin: 0;
  padding: 12px 16px 16px 42px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--brown);
}

.page-contact .faq-item a {
  color: var(--orange-deep);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
}

/* ---------- 结尾 ---------- */
.page-contact .contact-cta {
  padding: clamp(34px, 5vw, 64px) 0;
  background: var(--ink);
  color: var(--cream);
}

.page-contact .contact-cta__inner {
  display: grid;
  gap: 22px;
}

.page-contact .contact-cta__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.15;
  letter-spacing: -.01em;
  margin: 6px 0 10px;
  color: var(--cream);
}

.page-contact .contact-cta__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 233, 216, .8);
  max-width: 52ch;
}

.page-contact .contact-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .partner__stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

  .page-contact .coords__item {
    border-bottom: none;
    border-right: var(--rule) solid var(--pc-line);
    border-bottom: var(--rule) solid var(--pc-line);
  }

  .page-contact .coords__item:nth-child(2n) {
    border-right: none;
  }

  .page-contact .coords__item:nth-last-child(-n+2) {
    border-bottom: none;
  }
}

@media (min-width: 880px) {
  .page-contact .channels__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .contact-cta__inner {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (min-width: 920px) {
  .page-contact .hero__grid {
    grid-template-columns: 1.15fr .85fr;
  }

  .page-contact .visit__grid {
    grid-template-columns: 1fr .72fr;
  }

  .page-contact .partner__grid {
    grid-template-columns: 1.05fr .95fr;
  }

  .page-contact .promise__grid {
    grid-template-columns: 1.08fr .92fr;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .coords {
    grid-template-columns: 1.05fr 1.15fr 1.35fr .85fr;
  }

  .page-contact .coords__item {
    border-bottom: none;
    border-right: var(--rule) solid var(--pc-line);
  }

  .page-contact .coords__item:last-child {
    border-right: none;
  }
}

@media (max-width: 380px) {
  .page-contact .channel__btn {
    align-self: stretch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .channel:hover {
    transition: none;
    transform: none;
  }
}