.page-contact {
  --contact-gap: clamp(1.25rem, 3.4vw, 2.5rem);
  --contact-pad: clamp(1.15rem, 3vw, 1.85rem);
  --contact-radius: var(--r-md);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .contact-hero__aside {
  position: relative;
  display: grid;
  gap: 0.9rem;
  padding-left: clamp(1.7rem, 5vw, 2.9rem);
}

.page-contact .contact-hero__aside .note-v {
  position: absolute;
  left: 0;
  top: 0.2rem;
  margin: 0;
}

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

.page-contact .coord-card {
  border: 1px solid var(--rule);
  border-radius: var(--contact-radius);
  background: linear-gradient(155deg, var(--paper) 0%, var(--sand) 100%);
  box-shadow: var(--shadow-1);
  padding: 0.95rem 1.05rem;
  display: grid;
  gap: 0.2rem;
}

.page-contact .coord-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dusk);
}

.page-contact .coord-card__value {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.08rem;
  letter-spacing: -0.01em;
  color: var(--deep);
}

.page-contact .coord-card__note {
  margin: 0;
  font-size: 0.79rem;
  line-height: 1.6;
  color: var(--dusk);
}

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

.page-contact .contact-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.95rem, 6.2vw, 3.75rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--deep);
}

.page-contact .contact-hero__lede {
  margin: 0;
  max-width: 42ch;
  font-family: var(--font-body);
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .quick-lines {
  list-style: none;
  margin: 0.6rem 0 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-contact .quick-lines li {
  display: grid;
  gap: 0.28rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--rule);
}

.page-contact .quick-lines__key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--dusk);
}

.page-contact .quick-lines__val {
  font-family: var(--font-body);
  font-size: 0.96rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--deep);
  word-break: break-word;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 0.4rem;
}

/* ---------- 渠道列表 ---------- */
.page-contact .channel-stack {
  display: grid;
  gap: 1rem;
}

.page-contact .channel-row {
  display: grid;
  gap: 0.9rem;
  padding: var(--contact-pad);
  border: 1px solid var(--rule);
  border-radius: var(--contact-radius);
  background: var(--paper);
  box-shadow: var(--shadow-1);
  position: relative;
  overflow: hidden;
}

.page-contact .channel-row::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--rule-2);
}

.page-contact .channel-row--coral::before {
  background: linear-gradient(180deg, var(--coral) 0%, var(--glow) 100%);
}

.page-contact .channel-row__head {
  display: grid;
  gap: 0.25rem;
}

.page-contact .channel-row__idx {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--tide);
}

.page-contact .channel-row__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--deep);
}

.page-contact .channel-row__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.06em;
  color: var(--dusk);
}

.page-contact .channel-row__body {
  display: grid;
  gap: 0.55rem;
}

.page-contact .channel-row__body p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact .channel-row__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--deep);
  word-break: break-word;
}

.page-contact .channel-row--coral .channel-row__value {
  color: var(--coral);
}

/* ---------- 反馈分类 ---------- */
.page-contact .feedback-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.4rem;
}

.page-contact .feedback-item {
  display: grid;
  gap: 0.5rem;
  padding: var(--contact-pad);
  align-content: start;
}

.page-contact .feedback-item__tag {
  margin: 0;
  display: inline-block;
  align-self: start;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--tide);
  padding: 0.22rem 0.6rem;
  border: 1px solid rgba(30, 111, 159, 0.28);
  border-radius: var(--r-pill);
  background: rgba(30, 111, 159, 0.06);
  justify-self: start;
}

.page-contact .feedback-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.08rem;
  line-height: 1.45;
  color: var(--deep);
}

.page-contact .feedback-item p:last-child {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 查看指引 ---------- */
.page-contact .guide-grid {
  display: grid;
  gap: 0.9rem;
}

.page-contact .guide-card {
  display: grid;
  gap: 0.35rem;
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--rule);
  border-radius: var(--contact-radius);
  background: var(--sand);
  text-decoration: none;
  color: inherit;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}

.page-contact .guide-card:hover,
.page-contact .guide-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
  border-color: rgba(255, 107, 69, 0.45);
}

.page-contact .guide-card__latin {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: var(--dusk);
}

.page-contact .guide-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  line-height: 1.45;
  color: var(--deep);
}

.page-contact .guide-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact .guide-card--accent {
  background: var(--deep);
  border-color: var(--deep);
}

.page-contact .guide-card--accent .guide-card__latin {
  color: var(--aqua);
}

.page-contact .guide-card--accent .guide-card__title {
  color: var(--paper);
}

.page-contact .guide-card--accent p {
  color: rgba(251, 248, 242, 0.78);
}

.page-contact .guide-card--accent:hover,
.page-contact .guide-card--accent:focus-visible {
  border-color: var(--aqua);
}

/* ---------- 沟通流程 ---------- */
.page-contact .flow-panel {
  padding: var(--contact-pad);
}

.page-contact .flow-layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-contact .flow-head {
  margin-bottom: 0.4rem;
}

.page-contact .flow-steps {
  display: grid;
  gap: 0;
}

.page-contact .flow-step {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--rule-inv);
}

.page-contact .flow-step:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .flow-step__num {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--aqua);
}

.page-contact .flow-step__title {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.04rem;
  color: var(--paper);
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(251, 248, 242, 0.74);
}

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

/* ---------- 到访与信件 ---------- */
.page-contact .arrival {
  display: grid;
  gap: clamp(1.4rem, 4vw, 3rem);
}

.page-contact .arrival__text {
  display: grid;
  gap: 0.9rem;
}

.page-contact .arrival__text p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 46ch;
}

.page-contact .arrival__text .btn {
  justify-self: start;
  margin-top: 0.3rem;
}

.page-contact .legend {
  border: 1px solid var(--rule);
  border-radius: var(--contact-radius);
  background: var(--paper);
  box-shadow: var(--shadow-1);
  padding: 1.2rem 1.3rem;
}

.page-contact .legend__title {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dusk);
}

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

.page-contact .legend__list li {
  display: grid;
  grid-template-columns: 0.7rem minmax(0, 1fr);
  gap: 0.65rem;
  align-items: start;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .legend__dot {
  width: 0.6rem;
  height: 0.6rem;
  margin-top: 0.48rem;
  border-radius: 50%;
  background: var(--dusk);
}

.page-contact .legend__dot--coral { background: var(--coral); }
.page-contact .legend__dot--aqua { background: var(--aqua); }
.page-contact .legend__dot--glow { background: var(--glow); }
.page-contact .legend__dot--kelp { background: var(--kelp); }

/* ---------- 收束 ---------- */
.page-contact .closing__inner {
  position: relative;
  border: 1px solid var(--rule);
  border-radius: var(--contact-radius);
  background: linear-gradient(140deg, var(--paper) 0%, var(--sand) 62%, rgba(46, 230, 214, 0.16) 100%);
  box-shadow: var(--shadow-1);
  padding: clamp(1.5rem, 4.5vw, 3rem);
  display: grid;
  gap: 0.8rem;
  overflow: hidden;
}

.page-contact .closing__inner::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(255, 107, 69, 0.22), transparent 68%);
  pointer-events: none;
}

.page-contact .closing__latin {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.26em;
  color: var(--tide);
}

.page-contact .closing__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 4.6vw, 2.6rem);
  line-height: 1.15;
  color: var(--deep);
}

.page-contact .closing__lede {
  margin: 0;
  max-width: 44ch;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 0.5rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .quick-lines li {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }
}

@media (min-width: 760px) {
  .page-contact .channel-row {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
    gap: clamp(1.2rem, 3vw, 2.2rem);
  }

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

  .page-contact .guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .flow-panel {
    padding: clamp(1.6rem, 4vw, 2.8rem);
  }
}

@media (min-width: 940px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(2rem, 5vw, 3.6rem);
  }

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

  .page-contact .flow-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-contact .arrival {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero__title {
    font-size: 3.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .guide-card {
    transition: none;
  }
  .page-contact .guide-card:hover,
  .page-contact .guide-card:focus-visible {
    transform: none;
  }
}