.page-contact {
  --pc-radius: 0;
  --pc-hairline: 1px solid var(--line-soft);
  position: relative;
}

.page-contact .contact-crumb {
  padding-top: clamp(16px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(30px, 5vw, 66px) clamp(34px, 5vw, 72px);
  border-bottom: var(--pc-hairline);
  overflow: hidden;
}

.page-contact .contact-hero .grid-layer {
  position: absolute;
  inset: 0;
  opacity: .6;
  pointer-events: none;
}

.page-contact .contact-hero .shell {
  position: relative;
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 40px);
}

.page-contact .contact-hero .display {
  margin: 12px 0 0;
}

.page-contact .hero-grid__side {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 62ch;
}

.page-contact .hero-grid__side .lede {
  margin: 0;
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

@media (min-width: 920px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: end;
  }
}

/* ---------- 章节与标题 ---------- */

.page-contact .section {
  padding-block: clamp(42px, 5.5vw, 78px);
}

.page-contact .section .rule {
  margin-bottom: clamp(24px, 3.6vw, 40px);
}

/* ---------- 渠道总览 ---------- */

.page-contact .channel-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 30px);
  align-items: start;
}

.page-contact .channel-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 2.4vw, 26px);
  background-image: linear-gradient(158deg, rgba(27, 42, 58, .92), rgba(10, 22, 38, .78));
}

.page-contact .channel-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: var(--pc-hairline);
}

.page-contact .channel-card__label {
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--c-paper);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 1.5vw, 1.14rem);
  line-height: 1.55;
  color: var(--text);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .channel-card__value--plain {
  font-family: var(--font-sans);
  font-size: clamp(.98rem, 1.4vw, 1.08rem);
  line-height: 1.7;
}

.page-contact .channel-card__use {
  margin: 0;
  font-size: .94rem;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-contact .channel-card .copy-chip {
  align-self: flex-start;
  margin-top: auto;
}

.page-contact .channel-visual {
  margin: 0;
  background-image: linear-gradient(200deg, rgba(27, 42, 58, .85), rgba(10, 22, 38, .95));
}

.page-contact .media-frame {
  max-width: 100%;
  overflow: hidden;
}

.page-contact .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .address-band {
  margin-top: clamp(20px, 3vw, 32px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.6vw, 28px);
  padding: clamp(18px, 2.4vw, 28px);
  background-image: linear-gradient(198deg, rgba(10, 22, 38, .92), rgba(27, 42, 58, .72));
}

.page-contact .address-band__label {
  margin: 0 0 8px;
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--c-gray);
}

.page-contact .address-band__line {
  margin: 0 0 10px;
  font-size: clamp(1rem, 1.6vw, 1.14rem);
  line-height: 1.7;
  color: var(--text);
}

.page-contact .address-band__note {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-contact .address-map {
  margin: 0;
}

@media (min-width: 760px) {
  .page-contact .channel-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .channel-cards > :last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1080px) {
  .page-contact .channel-layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .85fr);
  }

  .page-contact .address-band {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: center;
  }
}

/* ---------- 反馈准备清单 ---------- */

.page-contact .prep-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-contact .prep-main__intro {
  margin: 0 0 18px;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--text-soft);
  max-width: 60ch;
}

.page-contact .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--pc-hairline);
}

.page-contact .check-list li {
  border-bottom: var(--pc-hairline);
}

.page-contact .check-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 6px;
  cursor: pointer;
  transition: background-color 200ms var(--ease);
}

.page-contact .check-item:hover {
  background-color: rgba(255, 90, 31, .06);
}

.page-contact .check-item input {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 20px;
  height: 20px;
  margin: 3px 0 0;
  padding: 0;
  border: 1.5px solid var(--line-strong);
  border-radius: 0;
  background-color: transparent;
  clip-path: polygon(0 0, calc(100% - 5px) 0, 100% 5px, 100% 100%, 0 100%);
  display: grid;
  place-content: center;
  cursor: pointer;
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .check-item input::after {
  content: "";
  width: 10px;
  height: 10px;
  background-color: var(--c-space);
  clip-path: polygon(14% 46%, 42% 72%, 86% 18%, 100% 30%, 44% 92%, 2% 58%);
  transform: scale(0);
  transition: transform 180ms var(--ease);
}

.page-contact .check-item input:checked {
  background-color: var(--c-lime);
  border-color: var(--c-lime);
}

.page-contact .check-item input:checked::after {
  transform: scale(1);
}

.page-contact .check-item input:focus-visible {
  outline: 2px solid var(--c-blue);
  outline-offset: 2px;
}

.page-contact .check-item__text {
  display: block;
  min-width: 0;
}

.page-contact .check-item__title {
  display: block;
  margin-bottom: 4px;
  font-weight: 500;
  color: var(--text);
}

.page-contact .check-item__desc {
  display: block;
  font-size: .92rem;
  line-height: 1.68;
  color: var(--text-muted);
}

.page-contact .prep-aside {
  padding: clamp(18px, 2.4vw, 26px);
  background-image: linear-gradient(170deg, rgba(231, 216, 174, .07), rgba(10, 22, 38, .5));
}

.page-contact .prep-aside__label {
  margin: 0 0 14px;
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--c-paper);
}

.page-contact .prep-aside__item {
  margin: 0 0 12px;
  padding-left: 14px;
  border-left: 2px solid rgba(199, 242, 74, .55);
  font-size: .93rem;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-contact .prep-aside__link {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: var(--pc-hairline);
  font-size: .92rem;
  line-height: 1.72;
  color: var(--text-muted);
}

@media (min-width: 980px) {
  .page-contact .prep-layout {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, .78fr);
  }
}

/* ---------- 问答区 ---------- */

.page-contact .qa-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 2.8vw, 30px);
}

.page-contact .qa-item {
  padding-left: 18px;
  border-left: 2px solid rgba(255, 90, 31, .45);
  transition: border-color 200ms var(--ease);
}

.page-contact .qa-item:hover {
  border-left-color: var(--c-orange);
}

.page-contact .qa-item h3 {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-contact .qa-item p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--text-soft);
}

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

/* ---------- 资料纠错 ---------- */

.page-contact .correction-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-contact .correction-main__intro {
  margin: 0 0 20px;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--text-soft);
  max-width: 62ch;
}

.page-contact .correction-list li {
  line-height: 1.7;
  color: var(--text-soft);
  font-size: .96rem;
}

.page-contact .correction-list strong {
  color: var(--c-paper);
  font-weight: 500;
  font-family: var(--font-mono);
  font-size: .88rem;
  letter-spacing: .04em;
}

.page-contact .correction-main__foot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: var(--pc-hairline);
  font-size: .93rem;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 62ch;
}

.page-contact .correction-side {
  padding: clamp(18px, 2.4vw, 26px);
  background-image: linear-gradient(150deg, rgba(61, 123, 255, .12), rgba(10, 22, 38, .6));
}

.page-contact .correction-side__label {
  margin: 0 0 12px;
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--c-lime);
}

.page-contact .correction-side__text {
  margin: 0 0 16px;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .correction-side__quote {
  margin: 0;
  padding: 14px 16px;
  background-color: var(--c-paper);
  color: var(--c-graphite);
  font-size: .9rem;
  line-height: 1.65;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

@media (min-width: 920px) {
  .page-contact .correction-layout {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .78fr);
  }
}

/* ---------- 合作 ---------- */

.page-contact .partner-lede {
  margin: 0 0 clamp(22px, 3vw, 34px);
  max-width: 66ch;
}

.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-contact .partner-card {
  padding: clamp(18px, 2.4vw, 28px);
  background-image: linear-gradient(165deg, rgba(27, 42, 58, .9), rgba(10, 22, 38, .8));
}

.page-contact .partner-card__tag {
  display: inline-block;
  margin-bottom: 12px;
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--c-orange);
}

.page-contact .partner-card__tag--lime {
  color: var(--c-lime);
}

.page-contact .partner-card__title {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -.015em;
  color: var(--text);
}

.page-contact .partner-card__text {
  margin: 0;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-contact .partner-how {
  margin-top: clamp(20px, 3vw, 32px);
  padding: clamp(18px, 2.4vw, 26px);
  border-left: 3px solid var(--c-orange);
  background-color: rgba(255, 90, 31, .05);
}

.page-contact .partner-how__label {
  margin: 0 0 10px;
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--c-orange);
}

.page-contact .partner-how__text {
  margin: 0;
  font-size: .97rem;
  line-height: 1.78;
  color: var(--text-soft);
  max-width: 68ch;
}

@media (min-width: 780px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 服务时间 ---------- */

.page-contact .hours-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 44px);
  align-items: center;
}

.page-contact .timeband {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 4px;
}

.page-contact .timeband__cell {
  height: clamp(30px, 5vw, 46px);
  background-color: rgba(139, 149, 163, .12);
  border: var(--pc-hairline);
  clip-path: polygon(0 0, calc(100% - 4px) 0, 100% 4px, 100% 100%, 0 100%);
}

.page-contact .timeband__cell--on {
  background-image: linear-gradient(180deg, rgba(255, 90, 31, .88), rgba(255, 90, 31, .42));
  border-color: rgba(255, 90, 31, .65);
}

.page-contact .timeband__scale {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--c-gray);
}

.page-contact .timeband__caption {
  margin: 16px 0 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-contact .timeband__caption .tag {
  margin-right: 6px;
  vertical-align: 1px;
}

.page-contact .hours-copy p {
  margin: 0 0 16px;
  font-size: .97rem;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 58ch;
}

.page-contact .hours-copy__note {
  margin: 0;
  padding-top: 16px;
  border-top: var(--pc-hairline);
  font-size: .93rem;
  color: var(--text-muted);
}

@media (min-width: 900px) {
  .page-contact .hours-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }
}

/* ---------- 收尾导航 ---------- */

.page-contact .contact-next {
  padding-bottom: clamp(48px, 6vw, 84px);
}

.page-contact .contact-next__label {
  margin: 0 0 16px;
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--c-gray);
}

.page-contact .next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
}

.page-contact .next-links a {
  font-size: .95rem;
  color: var(--text-soft);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .next-links a:hover,
.page-contact .next-links a:focus-visible {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

/* ---------- 正文内链接 ---------- */

.page-contact .prep-aside__link a,
.page-contact .hours-copy__note a {
  color: var(--c-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .prep-aside__link a:hover,
.page-contact .hours-copy__note a:hover {
  color: var(--c-orange);
}

/* ---------- 焦点与降级 ---------- */

.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--c-blue);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .check-item,
  .page-contact .check-item input,
  .page-contact .check-item input::after,
  .page-contact .qa-item,
  .page-contact .next-links a {
    transition: none;
  }
}