.page-contact {
  display: block;
}

/* ---------- 页头与公共小件 ---------- */
.page-contact .contact-head {
  padding-top: clamp(18px, 3vw, 32px);
}

.page-contact .contact-head .crumbs__sep {
  margin: 0 8px;
  color: var(--haze);
}

.page-contact .section-head {
  max-width: 46em;
  margin-bottom: clamp(22px, 3.5vw, 38px);
}

.page-contact .prose {
  max-width: 34em;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(20px, 3.5vw, 42px) 0 clamp(34px, 6vw, 70px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
  align-items: stretch;
}

.page-contact .contact-hero__text .lede {
  margin-top: 14px;
}

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

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin-top: clamp(20px, 3vw, 30px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-contact .fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-contact .fact__k {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-contact .fact__v {
  font-size: 18px;
  font-weight: 600;
  color: var(--ridge);
}

/* 通道刻度板 */
.page-contact .channel-ruler {
  position: relative;
  padding: clamp(22px, 3vw, 34px) clamp(20px, 3vw, 32px);
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, var(--felt) 0%, var(--ridge) 100%);
  color: var(--bone);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.page-contact .channel-ruler::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(252, 251, 247, 0.14);
  border-radius: calc(var(--radius) - 7px);
  pointer-events: none;
}

.page-contact .channel-ruler::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    180deg,
    rgba(252, 251, 247, 0.07) 0 1px,
    transparent 1px 26px
  );
  pointer-events: none;
}

.page-contact .channel-ruler__title {
  position: relative;
  z-index: 1;
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: rgba(244, 242, 234, 0.68);
}

.page-contact .channel-ruler__list {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-contact .channel-ruler__item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 14px;
  padding: 12px 0 12px 20px;
  border-left: 1px solid rgba(252, 251, 247, 0.22);
}

.page-contact .channel-ruler__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 18px;
  width: 9px;
  height: 9px;
  background: var(--amber);
  transform: rotate(45deg);
}

.page-contact .channel-ruler__idx {
  grid-row: 1;
  grid-column: 1;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(244, 242, 234, 0.62);
}

.page-contact .channel-ruler__name {
  grid-row: 1;
  grid-column: 2;
  font-size: 17px;
  font-weight: 600;
  color: var(--bone);
}

.page-contact .channel-ruler__note {
  grid-row: 2;
  grid-column: 2;
  margin-top: 3px;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(244, 242, 234, 0.74);
}

/* ---------- 配图 ---------- */
.page-contact .contact-figure {
  position: relative;
  display: block;
  margin: 0 0 clamp(24px, 4vw, 40px);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bone);
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-contact .contact-figure__cap {
  display: block;
  padding: 12px 18px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
  background: var(--bone);
  border-top: 1px solid var(--line);
}

.page-contact .contact-figure--ridge {
  margin: clamp(18px, 3vw, 26px) 0 0;
}

/* ---------- 渠道卡片 ---------- */
.page-contact .grid--7-5,
.page-contact .grid--8-4,
.page-contact .grid--5-7 {
  grid-template-columns: 1fr;
  align-items: start;
}

.page-contact .channels {
  gap: clamp(18px, 3vw, 28px);
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3vw, 34px);
  border-radius: var(--radius);
}

.page-contact .channel-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.page-contact .channel-card__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
}

.page-contact .channel-card__body {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  max-width: 30em;
}

.page-contact .channel-card--mail {
  background: linear-gradient(180deg, var(--felt) 0%, #24493E 100%);
  color: var(--bone);
  box-shadow: var(--shadow);
}

.page-contact .channel-card--mail .channel-card__kicker {
  color: rgba(244, 242, 234, 0.62);
}

.page-contact .channel-card--mail .channel-card__body {
  color: rgba(252, 251, 247, 0.86);
}

.page-contact .channel-card--mail .h3 {
  color: var(--bone);
}

.page-contact .channel-card__mail {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.3vw, 21px);
  font-weight: 500;
  line-height: 1.5;
  color: var(--bone);
  text-decoration: none;
  border-bottom: 1px solid rgba(252, 251, 247, 0.42);
  padding-bottom: 3px;
  word-break: break-all;
}

.page-contact .channel-card__mail:hover,
.page-contact .channel-card__mail:focus-visible {
  border-bottom-color: var(--amber);
  color: #FBF3E2;
}

.page-contact .channel-card__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-contact .channel-card__hint {
  font-size: 13px;
  color: rgba(244, 242, 234, 0.66);
}

.page-contact .channel-card--phone {
  background: var(--bone);
  border: 1px solid var(--amber);
  color: var(--ridge);
}

.page-contact .channel-card--phone .channel-card__kicker {
  color: var(--amber-ink);
}

.page-contact .channel-card__tel {
  margin: 4px 0 0;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ridge);
}

.page-contact .channel-card__foot {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 复制按钮 ---------- */
.page-contact .copy-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--slate);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  border-color: var(--amber);
  color: var(--amber-ink);
}

.page-contact .channel-card--mail .copy-btn {
  background: transparent;
  border-color: rgba(252, 251, 247, 0.45);
  color: rgba(252, 251, 247, 0.92);
}

.page-contact .channel-card--mail .copy-btn:hover,
.page-contact .channel-card--mail .copy-btn:focus-visible {
  border-color: var(--amber);
  color: #FBF3E2;
}

/* ---------- 分段切换 ---------- */
.page-contact .segmented {
  display: block;
}

.page-contact .segmented__list {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  max-width: 100%;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bone);
}

.page-contact .segmented__tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--slate);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  padding: 12px 22px;
  border-radius: 999px;
  cursor: pointer;
}

.page-contact .segmented__tab[aria-selected="true"] {
  background: var(--felt);
  color: var(--bone);
}

.page-contact .segmented__tab:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-contact .segmented__panel {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .segmented__panel:focus-visible {
  outline: 2px solid var(--mist);
  outline-offset: 6px;
}

.page-contact .panel-note {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
  max-width: 40em;
}

.page-contact .panel-extra {
  margin: 18px 0 0;
  padding: 16px 20px;
  border-left: 3px solid var(--moss);
  background: rgba(111, 140, 90, 0.09);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ridge);
  max-width: 44em;
}

/* ---------- 勾选清单 ---------- */
.page-contact .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 56em;
  border-top: 1px solid var(--line);
}

.page-contact .check-list__item {
  border-bottom: 1px solid var(--line);
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 15px 4px;
  cursor: pointer;
}

.page-contact .check-item__box {
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  flex: none;
  accent-color: var(--felt);
}

.page-contact .check-item__no {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber-ink);
  padding-top: 3px;
}

.page-contact .check-item__text {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ridge);
}

.page-contact .check-item__text b {
  font-weight: 700;
}

/* ---------- 合作与备案 ---------- */
.page-contact .coop {
  gap: clamp(20px, 3.5vw, 40px);
}

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

.page-contact .annot__line {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .annot__line:last-child {
  margin-bottom: 0;
}

/* ---------- 备案信息板 ---------- */
.page-contact .registry {
  gap: clamp(20px, 3.5vw, 40px);
}

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

.page-contact .registry-board {
  position: relative;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--bone);
  background-image:
    repeating-linear-gradient(0deg, rgba(18, 32, 28, 0.045) 0 1px, transparent 1px 22px),
    repeating-linear-gradient(90deg, rgba(18, 32, 28, 0.045) 0 1px, transparent 1px 22px);
}

.page-contact .registry-board::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(18, 32, 28, 0.09);
  border-radius: calc(var(--radius) - 6px);
  pointer-events: none;
}

.page-contact .registry-board__head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-contact .registry-board__label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-contact .registry-board__list {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0;
}

.page-contact .registry-board__row {
  display: grid;
  gap: 5px;
  padding: 15px 0;
  border-bottom: 1px dashed var(--line);
}

.page-contact .registry-board__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .registry-board__row dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-contact .registry-board__row dd {
  margin: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ridge);
}

.page-contact .registry-board__row dd .num {
  font-weight: 500;
}

/* ---------- 反馈闭环 ---------- */
.page-contact .loop-note {
  padding: clamp(22px, 3.5vw, 38px);
  border-left: 3px solid var(--moss);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: linear-gradient(180deg, rgba(127, 166, 160, 0.16), rgba(127, 166, 160, 0.02));
}

.page-contact .loop-note .h2 {
  margin-bottom: 14px;
}

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

/* ---------- 延伸入口 ---------- */
.page-contact .outbound {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .outbound__link {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bone);
  text-decoration: none;
  color: var(--ridge);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-contact .outbound__link:hover,
.page-contact .outbound__link:focus-visible {
  border-color: var(--mist);
  transform: translateY(-2px);
}

.page-contact .outbound__label {
  font-size: 17px;
  font-weight: 700;
  color: var(--ridge);
}

.page-contact .outbound__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .outbound {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .check-item {
    grid-template-columns: auto auto 1fr;
    gap: 18px;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-contact .grid--7-5 {
    grid-template-columns: 7fr 5fr;
  }

  .page-contact .grid--8-4 {
    grid-template-columns: 8fr 4fr;
  }

  .page-contact .grid--5-7 {
    grid-template-columns: 5fr 7fr;
  }

  .page-contact .outbound {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .outbound__link {
    transition: none;
  }

  .page-contact .outbound__link:hover {
    transform: none;
  }
}