.page-contact {
  --pc-rule: rgba(234, 242, 247, 0.12);
  --pc-card: linear-gradient(155deg, rgba(11, 47, 51, 0.92), rgba(6, 24, 38, 0.9) 68%);
  position: relative;
  padding-block: 0 clamp(3rem, 7vw, 5rem);
  color: var(--mist);
  background:
    radial-gradient(120% 65% at 92% -8%, rgba(255, 107, 26, 0.16), transparent 60%),
    radial-gradient(90% 60% at -10% 6%, rgba(37, 240, 178, 0.07), transparent 58%),
    var(--abyss);
  overflow-x: clip;
}

.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact input:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

.page-contact .contact-crumb {
  padding-block: clamp(1rem, 3vw, 1.5rem) 0;
}

/* ---------- 首屏 ---------- */
.page-contact .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: center;
  padding-block: clamp(1.25rem, 3vw, 2rem) clamp(0.75rem, 2vw, 1.25rem);
}

.page-contact .hero-copy .kicker {
  margin: 0;
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
}

.page-contact .hero-copy h1 {
  margin: 0.4em 0 0.6em;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.9rem, 6.2vw, 3.3rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-contact .hero-copy .lede {
  margin: 0;
  max-width: 56ch;
  color: rgba(234, 242, 247, 0.82);
  font-size: clamp(1rem, 2.4vw, 1.08rem);
  line-height: 1.85;
}

.page-contact .hero-meta-line {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: clamp(1rem, 2.5vw, 1.4rem) 0 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-contact .hero-figure {
  margin: 0;
  position: relative;
}

.page-contact .hero-figure::before {
  content: "";
  position: absolute;
  inset: 10px -8px -10px 12px;
  border: 1px solid rgba(255, 107, 26, 0.32);
  border-radius: var(--r-md);
  transform: rotate(-2deg);
  pointer-events: none;
}

.page-contact .hero-figure .media-frame {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: rgba(2, 8, 14, 0.55);
}

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

.page-contact .media-frame-caption {
  display: block;
  margin-top: 0.65rem;
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--slate);
}

/* ---------- 分栏信息台 ---------- */
.page-contact .desk {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 2.5rem);
  margin-top: clamp(1rem, 2.5vw, 1.75rem);
}

.page-contact .desk-main,
.page-contact .desk-side {
  display: flex;
  flex-direction: column;
  gap: clamp(0.9rem, 2vw, 1.2rem);
  min-width: 0;
}

.page-contact .desk .section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3.4vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-contact .section-lead {
  margin: 0;
  max-width: 62ch;
  color: var(--slate);
  font-size: 0.96rem;
  line-height: 1.8;
}

.page-contact .channel {
  position: relative;
  padding: clamp(1.15rem, 3vw, 1.9rem);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--pc-card);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .channel:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-contact .channel::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), rgba(255, 107, 26, 0));
}

.page-contact .channel--phone::after {
  background: linear-gradient(90deg, var(--mint), rgba(37, 240, 178, 0));
}

.page-contact .channel-label {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-contact .channel-value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1rem, 3.4vw, 1.5rem);
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--mist);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel--phone .channel-value {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 6vw, 2.3rem);
  letter-spacing: 0.03em;
}

.page-contact .channel-note {
  margin: 0.75rem 0 0;
  color: var(--slate);
  font-size: 0.94rem;
  line-height: 1.75;
}

.page-contact .archive {
  position: relative;
  padding: clamp(1.1rem, 3vw, 1.75rem) clamp(1.1rem, 3vw, 1.75rem) clamp(1.1rem, 3vw, 1.75rem) clamp(1.35rem, 3.4vw, 2rem);
  border: 1px solid rgba(242, 193, 92, 0.24);
  border-radius: var(--r-md);
  background: linear-gradient(165deg, rgba(35, 27, 77, 0.92), rgba(75, 18, 32, 0.55) 92%);
  box-shadow: var(--shadow-lift);
  overflow: hidden;
}

.page-contact .archive::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--gold), rgba(242, 193, 92, 0.12));
}

.page-contact .archive-row {
  display: grid;
  gap: 0.25rem;
  padding-block: 0.8rem;
  border-bottom: 1px dashed rgba(234, 242, 247, 0.14);
}

.page-contact .archive-row:first-child {
  padding-top: 0;
}

.page-contact .archive-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .archive-key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: rgba(242, 193, 92, 0.85);
}

.page-contact .archive-val {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-contact .archive-val strong {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* ---------- 服务时间与回复节奏 ---------- */
.page-contact .window-section {
  margin-top: clamp(2rem, 5vw, 3.5rem);
}

.page-contact .window-section .section-title,
.page-contact .submit-section .section-title,
.page-contact .feedback-section .section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.35rem, 3.6vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-contact .window-section .section-lead,
.page-contact .submit-section .section-lead,
.page-contact .feedback-section .section-lead {
  margin: 0.6rem 0 0;
}

.page-contact .window-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(1.1rem, 2.8vw, 1.6rem);
  background: rgba(234, 242, 247, 0.14);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-contact .window-cell {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: clamp(1.1rem, 2.8vw, 1.6rem);
  background: linear-gradient(180deg, rgba(11, 47, 51, 0.92), rgba(6, 24, 38, 0.96));
}

.page-contact .window-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 5.4vw, 2.5rem);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--orange);
}

.page-contact .window-cell:nth-child(2) .window-num {
  color: var(--mint);
}

.page-contact .window-cell:nth-child(3) .window-num {
  color: var(--gold);
}

.page-contact .window-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .window-cell p {
  margin: 0;
  color: var(--slate);
  font-size: 0.93rem;
  line-height: 1.75;
}

/* ---------- 提交信息 ---------- */
.page-contact .submit-section {
  margin-top: clamp(2.25rem, 5.5vw, 4rem);
}

.page-contact .submit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
  margin-top: clamp(1.1rem, 2.8vw, 1.6rem);
}

.page-contact .submit-main {
  min-width: 0;
}

.page-contact .check-card {
  padding: clamp(1rem, 2.6vw, 1.4rem);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
}

.page-contact .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-contact .check-item {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  background: rgba(2, 8, 14, 0.28);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .check-item:hover {
  border-color: var(--line-strong);
}

.page-contact .check-box {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: transparent;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .check-box:checked {
  background: var(--orange);
  border-color: var(--orange);
}

.page-contact .check-box:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(42deg);
}

.page-contact .check-text {
  display: grid;
  gap: 0.18rem;
  cursor: pointer;
}

.page-contact .check-text strong {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--mist);
}

.page-contact .check-text span {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--slate);
}

.page-contact .template-block {
  margin-top: clamp(1rem, 2.5vw, 1.4rem);
}

.page-contact .template-head {
  margin: 0 0 0.55rem;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--mint);
}

.page-contact .template {
  margin: 0;
  padding: clamp(0.9rem, 2.4vw, 1.2rem);
  border: 1px dashed rgba(37, 240, 178, 0.35);
  border-radius: var(--r-sm);
  background: rgba(2, 8, 14, 0.55);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 2;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.page-contact .submit-footnote {
  margin: 0.9rem 0 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-contact .submit-footnote a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .submit-figure {
  margin: 0;
}

.page-contact .submit-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

/* ---------- 合作与反馈 ---------- */
.page-contact .feedback-section {
  margin-top: clamp(2.25rem, 5.5vw, 4rem);
}

.page-contact .feedback-section .tabs {
  margin-top: clamp(1.1rem, 2.8vw, 1.6rem);
}

.page-contact .feedback-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-contact .feedback-list li {
  padding: 0.85rem 1rem;
  border-left: 2px solid var(--orange);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(234, 242, 247, 0.045);
  color: rgba(234, 242, 247, 0.86);
  font-size: 0.94rem;
  line-height: 1.75;
}

.page-contact .feedback-list li b {
  color: var(--mist);
  font-weight: 600;
}

.page-contact #panel-fix .feedback-list li {
  border-left-color: var(--mint);
}

.page-contact #panel-media .feedback-list li {
  border-left-color: var(--gold);
}

/* ---------- 收束 ---------- */
.page-contact .closing-band {
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .closing-inner {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: clamp(1rem, 2.5vw, 1.75rem);
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(120deg, rgba(35, 27, 77, 0.78), rgba(11, 47, 51, 0.8));
  overflow: hidden;
}

.page-contact .closing-inner::after {
  content: "";
  position: absolute;
  right: -50px;
  top: -50px;
  width: 190px;
  height: 190px;
  background: radial-gradient(circle, rgba(255, 107, 26, 0.34), transparent 70%);
  pointer-events: none;
}

.page-contact .closing-inner p {
  position: relative;
  margin: 0;
  max-width: 52ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: rgba(234, 242, 247, 0.86);
}

.page-contact .closing-actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .window-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 920px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.82fr);
    gap: clamp(1.75rem, 4vw, 3rem);
    padding-block: clamp(1.75rem, 4vw, 2.75rem) clamp(1rem, 2.5vw, 1.75rem);
  }

  .page-contact .desk {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: clamp(1.25rem, 2.6vw, 2rem);
  }

  .page-contact .submit-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-contact .submit-figure {
    position: sticky;
    top: clamp(1.5rem, 4vw, 3rem);
  }
}

@media (max-width: 420px) {
  .page-contact .channel-value {
    font-size: 0.98rem;
  }

  .page-contact .check-item {
    padding: 0.6rem 0.65rem;
  }
}