/* ===== 页面作用域：contact ===== */

.page-contact {
  --ct-line: rgba(110, 133, 128, 0.28);
  --ct-line-soft: rgba(110, 133, 128, 0.16);
  --ct-wash: rgba(71, 240, 208, 0.07);
}

/* ---- 首屏 ---- */
.page-contact .ct-intro {
  padding-block: 24px 32px;
}

.page-contact .ct-title {
  margin: 14px 0 0;
  max-width: 22ch;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.85rem, 5.2vw, 3.15rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .ct-intro .lede {
  margin-block: 18px 0;
  max-width: 62ch;
}

/* ---- 顶部窄幅通栏 ---- */
.page-contact .ct-strip {
  position: relative;
  overflow: hidden;
  background: var(--pitch);
  border-top: 1px solid var(--ct-line-soft);
  border-bottom: 1px solid var(--ct-line-soft);
}

.page-contact .ct-strip img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 440;
  object-fit: cover;
  filter: saturate(0.55) contrast(1.05) brightness(0.78);
}

.page-contact .ct-strip::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(11, 21, 18, 0.4) 0,
    rgba(11, 21, 18, 0.4) 1px,
    rgba(11, 21, 18, 0) 1px,
    rgba(11, 21, 18, 0) 4px
  );
}

/* ---- 三张渠道卡片 ---- */
.page-contact .ct-channels {
  padding-block: 40px 52px;
}

.page-contact .ct-channel-grid {
  display: grid;
  gap: 1px;
  margin-top: 30px;
  background: var(--ct-line);
  border: 1px solid var(--ct-line);
}

.page-contact .ct-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px 24px;
  background: var(--pitch);
  outline: none;
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .ct-channel:hover,
.page-contact .ct-channel:focus-visible {
  background: var(--moss);
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.page-contact .ct-channel__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--cyan-soft);
}

.page-contact .ct-channel__name {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .ct-channel__value {
  margin: 0;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--cyan);
  background: var(--ct-wash);
  border-left: 2px solid var(--cyan);
  word-break: break-word;
}

.page-contact .ct-channel__value--plain {
  color: var(--text);
  background: rgba(168, 245, 230, 0.06);
  border-left-color: var(--rule);
}

.page-contact .ct-channel__note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .ct-channel__hint {
  margin: auto 0 0;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--rule);
}

/* ---- 邮件写法 ---- */
.page-contact .ct-writing {
  padding-block: 44px 54px;
}

.page-contact .ct-writing__grid {
  display: grid;
  gap: 28px;
  margin-top: 30px;
}

.page-contact .ct-field-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--cyan-soft);
}

.page-contact .ct-subject {
  margin: 0;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--cyan);
  word-break: break-word;
}

.page-contact .ct-writing__hint {
  margin: 14px 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .ct-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .ct-checklist li {
  position: relative;
  padding-left: 24px;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--text);
}

.page-contact .ct-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 12px;
  height: 2px;
  background: var(--cyan);
}

/* ---- 应答时段 ---- */
.page-contact .ct-hours {
  padding-block: 44px 56px;
}

.page-contact .ct-timing {
  margin-top: 30px;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-timing__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-timing__label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--cyan-soft);
}

.page-contact .ct-timing__bar {
  position: relative;
  display: block;
  height: 6px;
  background: var(--ct-line-soft);
  overflow: hidden;
}

.page-contact .ct-timing__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: var(--cyan);
}

.page-contact .ct-timing__fill--quiet {
  left: 0;
  width: 37.5%;
  background: var(--rule);
}

.page-contact .ct-timing__value {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.page-contact .ct-timing__scale {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--rule);
}

.page-contact .ct-priority {
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--ct-line);
  border: 1px solid var(--ct-line);
}

.page-contact .ct-priority li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 16px;
  padding: 18px;
  background: var(--pitch);
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-dim);
  transition: background var(--dur) var(--ease);
}

.page-contact .ct-priority li:hover {
  background: var(--moss);
}

.page-contact .ct-priority__rank {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

/* ---- 地址与运营地区（纸质插页） ---- */
.page-contact .ct-place {
  padding-block: 52px 60px;
}

.page-contact .band--paper .eyebrow {
  color: var(--seal);
}

.page-contact .ct-place__inner {
  display: grid;
  gap: 30px;
}

.page-contact .ct-place__title {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.6vw, 2.15rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--paper-text);
}

.page-contact .ct-place__addr {
  margin: 22px 0 0;
  padding: 16px 18px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--paper-text);
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(23, 37, 31, 0.18);
  border-left: 3px solid var(--seal);
  word-break: break-word;
}

.page-contact .ct-place__meta {
  margin: 24px 0 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-place__meta > div {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(23, 37, 31, 0.14);
}

.page-contact .ct-place__meta dt {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--paper-dim);
}

.page-contact .ct-place__meta dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--paper-text);
}

.page-contact .ct-place__note {
  margin: 22px 0 0;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-contact .ct-place__figure {
  margin: 0;
  overflow: hidden;
}

.page-contact .ct-place__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 700;
  object-fit: cover;
  filter: saturate(0.5) contrast(1.05) brightness(0.9);
}

/* ---- 处理流程 ---- */
.page-contact .ct-flow {
  padding-block: 52px 62px;
}

.page-contact .ct-flow__list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--ct-line);
  border: 1px solid var(--ct-line);
}

.page-contact .ct-flow__node {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 18px 24px;
  background: var(--pitch);
  outline: none;
  transition: background var(--dur) var(--ease);
}

.page-contact .ct-flow__node:hover,
.page-contact .ct-flow__node:focus-visible {
  background: var(--moss);
}

.page-contact .ct-flow__node:focus-visible {
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.page-contact .ct-flow__num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-contact .ct-flow__name {
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .ct-flow__detail {
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--text-dim);
}

@media (hover: hover) {
  .page-contact .ct-flow__detail {
    color: var(--rule);
    transition: color var(--dur) var(--ease);
  }

  .page-contact .ct-flow__node:hover .ct-flow__detail,
  .page-contact .ct-flow__node:focus-within .ct-flow__detail {
    color: var(--text-dim);
  }
}

.page-contact .ct-scope {
  margin: 30px 0 0;
  padding: 22px 20px 24px;
  background: rgba(110, 133, 128, 0.08);
  border-left: 3px solid var(--rule);
}

.page-contact .ct-scope__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--cyan-soft);
}

.page-contact .ct-scope ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .ct-scope li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .ct-scope li::before {
  content: "×";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  color: var(--rule);
}

/* ---- 延伸阅读 ---- */
.page-contact .ct-next {
  padding-block: 44px 54px;
}

.page-contact .ct-next__list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--ct-line);
  border-top: 1px solid var(--ct-line);
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-next__list a {
  display: block;
  padding: 18px 20px;
  background: var(--pitch);
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.6;
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .ct-next__list a:hover,
.page-contact .ct-next__list a:focus-visible {
  color: var(--cyan);
  background: var(--moss);
}

/* ---- 断点 ---- */
@media (min-width: 600px) {
  .page-contact .ct-timing__row {
    grid-template-columns: 96px 1fr 220px;
    align-items: center;
  }
}

@media (min-width: 768px) {
  .page-contact .ct-intro {
    padding-block: 32px 46px;
  }

  .page-contact .ct-channels {
    padding-block: 56px 72px;
  }

  .page-contact .ct-writing,
  .page-contact .ct-hours {
    padding-block: 60px 76px;
  }

  .page-contact .ct-place {
    padding-block: 72px 86px;
  }

  .page-contact .ct-flow {
    padding-block: 72px 88px;
  }

  .page-contact .ct-next {
    padding-block: 56px 72px;
  }
}

@media (min-width: 820px) {
  .page-contact .ct-writing__grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 42px;
  }
}

@media (min-width: 880px) {
  .page-contact .ct-channel-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-contact .ct-place__inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 52px;
    align-items: start;
  }

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

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