.page-contact {
  --contact-gap: 20px;
  --contact-pad: 22px;
  color: var(--grey300);
}

/* 面包屑 */
.page-contact .crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 28px 0 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--grey500);
}
.page-contact .crumb a {
  color: var(--grey300);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.page-contact .crumb a:hover {
  color: var(--yellow);
}
.page-contact .crumb [aria-current="page"] {
  color: var(--yellow);
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 18% 0%, rgba(56, 225, 200, 0.07), transparent 58%),
    radial-gradient(ellipse at 100% 90%, rgba(226, 59, 46, 0.06), transparent 55%);
  padding: 26px 0 64px;
}
.page-contact .contact-hero__inner {
  max-width: 760px;
}
.page-contact .contact-hero__title {
  font-family: var(--sans);
  font-size: clamp(44px, 9vw, 104px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 0.94;
  color: var(--white);
  margin: 18px 0 26px;
}
.page-contact .contact-hero__lede {
  color: var(--grey300);
  font-size: 17px;
  line-height: 1.8;
  max-width: 36em;
  margin: 0 0 30px;
}
.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .contact-hero__figure {
  margin: 48px auto 0;
  max-width: 1320px;
  padding: 0 20px;
  box-sizing: border-box;
}
.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 800;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.page-contact .contact-hero__cap {
  display: block;
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--grey500);
}

/* 区块统一节奏 */
.page-contact .section {
  padding: 72px 0;
}

/* 渠道总览 */
.page-contact .contact-channels {
  border-bottom: 1px solid var(--line);
}
.page-contact .contact-channels__head {
  margin-bottom: 36px;
  max-width: 620px;
}
.page-contact .contact-channels__title {
  font-family: var(--sans);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 14px 0 14px;
}
.page-contact .contact-channels__lede {
  color: var(--grey500);
  font-size: 16px;
  line-height: 1.75;
  margin: 0;
}
.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
}
.page-contact .contact-channel {
  padding: var(--contact-pad);
  background: var(--carbon);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.02);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.page-contact .contact-channel__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.page-contact .contact-channel__idx {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--red);
}
.page-contact .contact-channel__name {
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 600;
  color: var(--white);
  margin: 0;
  letter-spacing: -0.01em;
}
.page-contact .contact-channel__value {
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--yellow);
  word-break: break-all;
}
.page-contact .contact-channel__desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey300);
  margin: 0;
}
.page-contact .contact-channel__details {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.page-contact .contact-channel__details summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--grey300);
  transition: color var(--dur) var(--ease);
}
.page-contact .contact-channel__details summary::-webkit-details-marker {
  display: none;
}
.page-contact .contact-channel__details summary::before {
  content: "+";
  color: var(--cyan);
  font-weight: 600;
  width: 12px;
  display: inline-block;
}
.page-contact .contact-channel__details[open] summary::before {
  content: "−";
}
.page-contact .contact-channel__details summary:hover {
  color: var(--white);
}
.page-contact .contact-channel__details ul {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-contact .contact-channel__details li {
  position: relative;
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--grey300);
}
.page-contact .contact-channel__details li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 1px;
  background: var(--yellow);
}

/* 反馈模板 + 联系方式速览 */
.page-contact .contact-workbench {
  border-bottom: 1px solid var(--line);
}
.page-contact .contact-workbench__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
.page-contact .contact-aside__card {
  background: linear-gradient(180deg, rgba(20, 53, 42, 0.6) 0%, rgba(20, 22, 26, 0.9) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
}
.page-contact .contact-aside__cap {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  margin: 0 0 12px;
}
.page-contact .contact-aside__title {
  font-family: var(--sans);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0 0 20px;
}
.page-contact .contact-aside__list {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.page-contact .contact-aside__row {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.page-contact .contact-aside__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-contact .contact-aside__list dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--grey500);
  margin-bottom: 6px;
}
.page-contact .contact-aside__list dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--grey300);
  word-break: break-all;
}
.page-contact .contact-aside__list dd.mono {
  color: var(--white);
  font-size: 13px;
}
.page-contact .contact-aside__note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-strong);
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey500);
}

.page-contact .contact-template__title {
  font-family: var(--sans);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 14px 0 14px;
}
.page-contact .contact-template__lede {
  color: var(--grey500);
  font-size: 16px;
  line-height: 1.75;
  margin: 0 0 32px;
}
.page-contact .contact-template__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-contact .contact-template__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease);
}
.page-contact .contact-template__item:hover {
  background: var(--tint);
}
.page-contact .contact-template__num {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--red);
  padding-top: 3px;
}
.page-contact .contact-template__body h3 {
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.page-contact .contact-template__body p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey300);
  margin: 0;
}
.page-contact .contact-template__hint {
  margin-top: 24px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

/* 地址 */
.page-contact .contact-map {
  border-bottom: 1px solid var(--line);
}
.page-contact .contact-map__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}
.page-contact .contact-map__title {
  font-family: var(--sans);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 14px 0 16px;
}
.page-contact .contact-map__addr {
  display: block;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--yellow);
  background: rgba(242, 194, 48, 0.06);
  border-left: 3px solid var(--yellow);
  padding: 14px 16px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 0 0 20px;
}
.page-contact .contact-map__desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--grey300);
  margin: 0 0 20px;
  max-width: 36em;
}
.page-contact .contact-map__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-contact .contact-map__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--grey300);
}
.page-contact .contact-map__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
}
.page-contact .contact-map__figure {
  margin: 0;
}
.page-contact .contact-map__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 600;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--carbon);
}
.page-contact .contact-map__cap {
  display: block;
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--grey500);
}

/* 合作与纠错 */
.page-contact .contact-partners {
  border-bottom: 1px solid var(--line);
}
.page-contact .contact-partners__head {
  margin-bottom: 32px;
}
.page-contact .contact-partners__title {
  font-family: var(--sans);
  font-size: clamp(26px, 3.6vw, 36px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 14px 0 0;
}
.page-contact .contact-partners__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
}
.page-contact .contact-partner {
  padding: var(--contact-pad);
  background: var(--carbon);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 100%;
}
.page-contact .contact-partner__tag {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  margin: 0;
}
.page-contact .contact-partner__tag--red {
  color: var(--red);
}
.page-contact .contact-partner__name {
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0;
}
.page-contact .contact-partner p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey300);
  margin: 0;
}
.page-contact .contact-partner .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* 返回指南 */
.page-contact .contact-backrule {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 0;
  margin-top: 8px;
  border-top: 1px solid var(--line-strong);
  color: var(--grey300);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.page-contact .contact-backrule:hover {
  color: var(--yellow);
}
.page-contact .contact-backrule__text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.page-contact .contact-backrule__cap {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}
.page-contact .contact-backrule__label {
  font-size: 15px;
  line-height: 1.6;
}
.page-contact .contact-backrule__arrow {
  font-family: var(--mono);
  font-size: 20px;
  color: var(--yellow);
}

/* 桌面排版 */
@media (min-width: 640px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .contact-partners__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .contact-hero {
    padding: 40px 0 80px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .contact-workbench__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
    align-items: start;
  }
  .page-contact .contact-aside {
    position: sticky;
    top: calc(var(--head-h) + 24px);
  }
  .page-contact .contact-map__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 56px;
  }
  .page-contact .section {
    padding: 96px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

.page-contact [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 400ms var(--ease), transform 400ms var(--ease);
}
.page-contact [data-reveal].is-in {
  opacity: 1;
  transform: none;
}
<<<END>>>