.page-contact {
  background: var(--ivory);
  color: var(--ink);
}

.page-contact .breadcrumbs {
  padding-block: 1.15rem;
}

.page-contact .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-contact .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 0.45rem;
  color: var(--stone);
}

.page-contact .breadcrumbs a {
  color: var(--ink-mid);
  text-decoration: none;
}

.page-contact .breadcrumbs a:hover {
  color: var(--orange);
}

.page-contact .panel {
  position: relative;
  padding-block: clamp(2.4rem, 6vw, 4.5rem);
}

.page-contact .section-head {
  max-width: 44rem;
  margin-bottom: 1.8rem;
}

.page-contact .section-title {
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 0.9rem;
}

.page-contact .section-lede {
  margin: 0;
  line-height: 1.75;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  overflow: hidden;
  padding-bottom: clamp(3rem, 7vw, 5rem);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--orange) 0%, var(--orange) 18%, var(--cyan) 52%, var(--sand) 100%);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 2rem;
}

.page-contact .contact-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--orange);
}

.page-contact .contact-hero .section-lede {
  color: rgba(251, 247, 239, 0.8);
  max-width: 36rem;
}

.page-contact .quick-card {
  position: relative;
  padding: 1.35rem 1.4rem 1.5rem;
  border: 1px solid rgba(122, 219, 221, 0.35);
  border-radius: var(--r-md);
  background: rgba(251, 247, 239, 0.07);
  -webkit-backdrop-filter: blur(7px);
  backdrop-filter: blur(7px);
  box-shadow: var(--shadow-2);
}

.page-contact .quick-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 1.4rem;
  width: 42px;
  height: 3px;
  background: var(--orange);
}

.page-contact .quick-card__title {
  margin: 0.6rem 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

.page-contact .quick-row {
  display: grid;
  gap: 0.3rem;
  padding-block: 0.85rem;
  border-top: 1px solid rgba(122, 219, 221, 0.2);
}

.page-contact .quick-row:first-of-type {
  border-top: 0;
}

.page-contact .quick-row__key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(251, 247, 239, 0.55);
}

.page-contact .quick-row__value {
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ivory);
  word-break: break-word;
}

/* ---------- 反馈类型 ---------- */
.page-contact .feedback-grid {
  display: grid;
  gap: 1.4rem;
}

.page-contact .filter-bar {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.page-contact .filter-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid rgba(15, 42, 68, 0.16);
  border-radius: var(--r-sm);
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.95rem;
  text-align: left;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.page-contact .filter-btn::after {
  content: "→";
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--stone);
  opacity: 0.7;
}

.page-contact .filter-btn:hover {
  background: var(--sand);
  border-color: rgba(255, 107, 53, 0.5);
}

.page-contact .filter-btn[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--ivory);
}

.page-contact .filter-btn[aria-pressed="true"]::after {
  color: var(--orange);
  opacity: 1;
}

.page-contact .feedback-list {
  display: grid;
  gap: 1rem;
}

.page-contact .feedback-card {
  position: relative;
  padding: 1.15rem 1.25rem 1.35rem 1.4rem;
  border-radius: var(--r-md);
  background: var(--ivory);
  border-left: 4px solid var(--cyan);
  box-shadow: var(--shadow-1);
  display: grid;
  gap: 0.55rem;
}

.page-contact .feedback-card--list {
  border-left-color: var(--orange);
}

.page-contact .feedback-card--benefit {
  border-left-color: var(--moss);
}

.page-contact .feedback-card--tech {
  border-left-color: var(--clay);
}

.page-contact .feedback-card__head {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.page-contact .feedback-card__no {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-contact .feedback-card__title {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-contact .feedback-card__list {
  margin: 0;
  padding-left: 1.05rem;
  display: grid;
  gap: 0.35rem;
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--ink-mid);
}

.page-contact .feedback-card__send {
  margin: 0.25rem 0 0;
  padding-top: 0.6rem;
  border-top: 1px dashed rgba(15, 42, 68, 0.16);
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--stone);
}

.page-contact .feedback-card__send a,
.page-contact .feedback-foot a,
.page-contact .channels__body a {
  color: var(--ink-mid);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(40, 194, 198, 0.7);
}

.page-contact .feedback-card__send a:hover,
.page-contact .feedback-foot a:hover,
.page-contact .channels__body a:hover {
  color: var(--orange);
  text-decoration-color: var(--orange);
}

.page-contact .feedback-foot {
  margin: 1.6rem 0 0;
  padding: 0.9rem 1.1rem;
  border-left: 3px solid var(--cyan);
  background: rgba(251, 247, 239, 0.7);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ink-mid);
}

/* ---------- 联系方式 ---------- */
.page-contact .channels {
  display: grid;
  gap: 1.8rem;
}

.page-contact .channels__figure {
  margin: 0;
}

.page-contact .channel-list {
  margin-top: 1.2rem;
  display: grid;
  border-top: 1px solid rgba(15, 42, 68, 0.14);
}

.page-contact .channel-item {
  display: grid;
  gap: 0.25rem;
  padding-block: 0.95rem;
  border-bottom: 1px solid rgba(15, 42, 68, 0.14);
}

.page-contact .channel-item__key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clay);
}

.page-contact .channel-item__value {
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .channel-item__note {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 截图提示 ---------- */
.page-contact .shot-note {
  margin-top: 1rem;
  padding: 1rem 1.2rem;
  border: 1px dashed rgba(15, 42, 68, 0.28);
  border-radius: var(--r-md);
  background: rgba(251, 247, 239, 0.85);
}

.page-contact .shot-note--alt {
  border-style: solid;
  border-color: rgba(184, 107, 75, 0.35);
}

.page-contact .shot-note summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .shot-note summary::-webkit-details-marker {
  display: none;
}

.page-contact .shot-note summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  line-height: 1;
  color: var(--orange);
}

.page-contact .shot-note[open] summary::after {
  content: "–";
}

.page-contact .shot-note__list {
  margin: 0.9rem 0 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.45rem;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ink-mid);
}

/* ---------- 回复时间 ---------- */
.page-contact .label-band--dark {
  color: var(--ivory);
}

.page-contact .reply-grid {
  display: grid;
  gap: 1rem;
}

.page-contact .reply-card {
  position: relative;
  padding: 1.25rem 1.3rem 1.4rem;
  border-radius: var(--r-md);
  border: 1px solid rgba(122, 219, 221, 0.22);
  background: rgba(251, 247, 239, 0.06);
}

.page-contact .reply-card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.9rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-contact .reply-card:nth-child(2) .reply-card__num {
  color: var(--orange-soft);
}

.page-contact .reply-card:nth-child(3) .reply-card__num {
  color: var(--sand);
}

.page-contact .reply-card__title {
  margin: 0.5rem 0 0.4rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ivory);
}

.page-contact .reply-card__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(251, 247, 239, 0.72);
}

/* ---------- 备案 ---------- */
.page-contact .legal-panel {
  padding-block: clamp(1.8rem, 4vw, 2.6rem);
}

.page-contact .legal-title {
  margin: 0 0 0.7rem;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-contact .legal-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.05em;
  color: var(--stone);
}

.page-contact .legal-tag {
  padding: 0.2rem 0.5rem;
  border-radius: var(--r-xs);
  background: var(--sand);
  color: var(--clay);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ---------- 响应式 ---------- */
@media (max-width: 719px) {
  .page-contact .filter-bar {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 0.45rem;
    scrollbar-width: thin;
  }

  .page-contact .filter-btn {
    flex: 0 0 auto;
    width: auto;
    white-space: nowrap;
  }

  .page-contact .filter-btn::after {
    content: none;
  }

  .page-contact .quick-row__value {
    font-size: 0.94rem;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
    gap: 3rem;
  }

  .page-contact .feedback-grid {
    grid-template-columns: minmax(210px, 0.32fr) 1fr;
    gap: 2.4rem;
    align-items: start;
  }

  .page-contact .feedback-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem;
  }

  .page-contact .channels {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 3rem;
  }

  .page-contact .reply-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 1.25fr 0.75fr;
  }
}

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