.page-contact {
  --pc-gap: clamp(28px, 5vw, 64px);
  --pc-chan-num-w: 74px;
  display: block;
  padding-bottom: clamp(56px, 9vw, 110px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(28px, 5vw, 56px);
  position: relative;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 auto;
  width: min(46%, 520px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-line));
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(20px, 4vw, 40px);
}

.page-contact .contact-hero__main h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 7.4vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--c-white);
  margin: 14px 0 0;
  max-width: 15em;
}

.page-contact .contact-hero__lead {
  margin-top: 18px;
  max-width: 42em;
  color: var(--c-slate);
  font-size: 1.02rem;
  line-height: 1.85;
}

.page-contact .contact-hero__points {
  list-style: none;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-hero__points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--c-white);
  font-size: 0.95rem;
  line-height: 1.6;
}

.page-contact .contact-hero__points .node {
  flex: 0 0 auto;
}

.page-contact .contact-hero__aside {
  padding: clamp(20px, 4vw, 30px);
  align-self: start;
}

.page-contact .contact-hero__aside-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-slate);
  margin: 0;
}

.page-contact .contact-hero__ver {
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 9vw, 3.4rem);
  letter-spacing: 0.04em;
  color: var(--c-cyan);
  margin: 6px 0 0;
  line-height: 1;
}

.page-contact .contact-hero__aside-note {
  font-size: 0.85rem;
  color: var(--c-slate);
  margin: 10px 0 0;
}

.page-contact .contact-hero__aside .sec-rule {
  margin: 20px 0 16px;
}

.page-contact .contact-hero__aside-line {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  align-items: baseline;
  font-size: 0.9rem;
  color: var(--c-slate);
  margin: 0 0 10px;
}

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

.page-contact .contact-hero__aside-line a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px dashed var(--c-line);
  padding-bottom: 1px;
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}

.page-contact .contact-hero__aside-line a:hover,
.page-contact .contact-hero__aside-line a:focus-visible {
  color: var(--c-white);
  border-bottom-color: var(--c-cyan);
}

/* ---------- 三条渠道 ---------- */
.page-contact .contact-channels {
  margin-top: var(--pc-gap);
}

.page-contact .chan-list {
  margin-top: clamp(24px, 4vw, 40px);
  display: grid;
  gap: 18px;
}

.page-contact .chan {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  background: var(--c-cabin);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: clamp(18px, 3.4vw, 26px);
  transition: border-color 220ms var(--ease), transform 220ms var(--ease);
}

.page-contact .chan::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  background: var(--c-line);
  border-radius: 3px;
  transition: background 220ms var(--ease);
}

.page-contact .chan:hover,
.page-contact .chan:focus-within {
  border-color: var(--c-cyan);
  transform: translateX(3px);
}

.page-contact .chan:hover::before,
.page-contact .chan:focus-within::before {
  background: var(--c-orange);
}

.page-contact .chan__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--c-paper);
  background: var(--c-deep);
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  padding: 5px 12px;
  align-self: start;
  justify-self: start;
}

.page-contact .chan__title {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-size: 1.28rem;
  color: var(--c-white);
  margin: 0;
}

.page-contact .chan__val {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.6vw, 1.12rem);
  letter-spacing: 0.02em;
  color: var(--c-cyan);
  margin: 8px 0 0;
  word-break: break-word;
}

.page-contact .chan__val a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed var(--c-line);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .chan__val a:hover,
.page-contact .chan__val a:focus-visible {
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

.page-contact .chan__desc {
  margin: 12px 0 0;
  color: var(--c-slate);
  font-size: 0.94rem;
  line-height: 1.8;
}

.page-contact .chan__tags {
  margin: 14px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .chan-figure {
  margin: clamp(26px, 5vw, 44px) 0 0;
}

/* ---------- 工作时段 ---------- */
.page-contact .contact-hours {
  margin-top: var(--pc-gap);
}

.page-contact .hours-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--c-cabin);
}

.page-contact .hours-panel__clock {
  background: linear-gradient(160deg, var(--c-deep) 0%, #0d1b3c 100%);
  padding: clamp(24px, 5vw, 40px);
  border-bottom: 1px solid var(--c-line);
  position: relative;
}

.page-contact .hours-panel__clock::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 1px dashed var(--c-line);
  opacity: 0.7;
}

.page-contact .hours-panel__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-slate);
  margin: 0;
}

.page-contact .hours-panel__time {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 8.4vw, 2.9rem);
  color: var(--c-white);
  letter-spacing: 0.02em;
  margin: 12px 0 0;
  line-height: 1;
}

.page-contact .hours-panel__time span {
  color: var(--c-cyan);
  margin: 0 0.12em;
}

.page-contact .hours-panel__days {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  color: var(--c-amber);
  margin: 12px 0 0;
}

.page-contact .hours-panel__body {
  padding: clamp(22px, 4.6vw, 38px);
}

.page-contact .hours-panel__body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 4.4vw, 1.9rem);
  line-height: 1.15;
  color: var(--c-white);
  margin: 0;
}

.page-contact .hours-panel__body > p {
  color: var(--c-slate);
  font-size: 0.95rem;
  line-height: 1.85;
  margin: 14px 0 0;
  max-width: 46em;
}

.page-contact .hours-rhythm {
  margin: clamp(20px, 3.6vw, 30px) 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .hours-rhythm__row {
  padding: 16px 0;
  border-bottom: 1px dashed var(--c-line);
  display: grid;
  gap: 6px;
}

.page-contact .hours-rhythm__row dt {
  color: var(--c-white);
  font-size: 0.95rem;
  font-weight: 600;
  position: relative;
  padding-left: 16px;
}

.page-contact .hours-rhythm__row dt::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-green);
}

.page-contact .hours-rhythm__row dd {
  margin: 0 0 0 16px;
  color: var(--c-slate);
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-contact .hours-panel__note {
  margin: 20px 0 0 !important;
  padding: 12px 16px;
  border-left: 3px solid var(--c-amber);
  background: rgba(242, 180, 65, 0.08);
  color: var(--c-paper) !important;
  font-size: 0.88rem !important;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

/* ---------- 五要素 ---------- */
.page-contact .contact-elements {
  margin-top: var(--pc-gap);
}

.page-contact .elem-track {
  list-style: none;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  position: relative;
}

.page-contact .elem {
  position: relative;
  padding-left: 0;
}

.page-contact .elem:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 26px;
  top: calc(100% - 6px);
  width: 0;
  height: 22px;
  border-left: 1px dashed var(--c-line);
}

.page-contact .elem__btn {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  text-align: left;
  background: var(--c-cabin);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 14px 16px;
  cursor: pointer;
  color: inherit;
  font: inherit;
  transition: border-color 200ms var(--ease), background 200ms var(--ease), transform 200ms var(--ease);
}

.page-contact .elem__btn:hover {
  border-color: var(--c-cyan);
  transform: translateX(3px);
}

.page-contact .elem__btn[aria-pressed="true"] {
  border-color: var(--c-orange);
  background: rgba(255, 122, 60, 0.09);
}

.page-contact .elem__btn[aria-pressed="true"] .node {
  background: var(--c-orange);
  color: var(--c-deep);
  border-color: var(--c-orange);
}

.page-contact .elem__text {
  display: grid;
  gap: 4px;
}

.page-contact .elem__text strong {
  color: var(--c-white);
  font-size: 1rem;
  font-weight: 600;
}

.page-contact .elem__text em {
  font-style: normal;
  color: var(--c-slate);
  font-size: 0.88rem;
  line-height: 1.7;
}

.page-contact .draft {
  margin-top: 20px;
  border: 1px dashed var(--c-cyan);
  border-radius: var(--r-md);
  background: rgba(62, 242, 210, 0.07);
  padding: 16px 18px;
}

.page-contact .draft__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-cyan);
  margin: 0;
}

.page-contact .draft__text {
  margin: 10px 0 0;
  color: var(--c-white);
  font-size: 0.94rem;
  line-height: 1.8;
  word-break: break-word;
}

.page-contact .subject {
  margin-top: clamp(28px, 5vw, 44px);
  border-top: 1px solid var(--c-line);
  padding-top: clamp(20px, 3.6vw, 30px);
}

.page-contact .subject__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--c-white);
  margin: 0;
}

.page-contact .subject__lead {
  color: var(--c-slate);
  font-size: 0.92rem;
  line-height: 1.75;
  margin: 8px 0 0;
}

.page-contact .subject__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .subject__list li {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--c-slate);
  font-size: 0.88rem;
}

.page-contact .subject__list code {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.01em;
  color: var(--c-paper);
  background: var(--c-deep);
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  padding: 6px 12px;
  word-break: break-word;
}

/* ---------- 分类通道 ---------- */
.page-contact .contact-routes {
  margin-top: var(--pc-gap);
}

.page-contact .routes {
  margin-top: clamp(22px, 4vw, 34px);
}

.page-contact .routes__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .routes__tab {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-slate);
  background: var(--c-cabin);
  border: 1px solid var(--c-line);
  border-radius: 999px;
  padding: 9px 18px;
  cursor: pointer;
  transition: color 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-contact .routes__tab:hover {
  color: var(--c-white);
  border-color: var(--c-cyan);
}

.page-contact .routes__tab[aria-selected="true"] {
  color: var(--c-deep);
  background: var(--c-cyan);
  border-color: var(--c-cyan);
}

.page-contact .routes__panels {
  margin-top: 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: var(--c-cabin);
  padding: clamp(20px, 4vw, 32px);
  position: relative;
  overflow: hidden;
}

.page-contact .routes__panels::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--c-cyan), var(--c-line));
}

.page-contact .routes__panel[hidden] {
  display: none;
}

.page-contact .routes__target {
  margin: 0;
  font-size: 0.92rem;
  color: var(--c-slate);
  line-height: 1.7;
}

.page-contact .routes__target a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px dashed var(--c-line);
}

.page-contact .routes__target a:hover,
.page-contact .routes__target a:focus-visible {
  border-bottom-color: var(--c-cyan);
}

.page-contact .routes__target code {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--c-orange);
  background: var(--c-deep);
  border-radius: var(--r-sm);
  padding: 4px 10px;
}

.page-contact .routes__need {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .routes__need li {
  position: relative;
  padding-left: 24px;
  color: var(--c-white);
  font-size: 0.94rem;
  line-height: 1.7;
}

.page-contact .routes__need li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 10px;
  height: 10px;
  border: 1px solid var(--c-green);
  border-radius: 2px;
}

.page-contact .routes__ref {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--c-line);
  font-size: 0.88rem;
  color: var(--c-slate);
  line-height: 1.7;
}

.page-contact .routes__ref a {
  color: var(--c-amber);
  text-decoration: none;
  border-bottom: 1px dashed var(--c-amber);
}

.page-contact .routes__ref a:hover,
.page-contact .routes__ref a:focus-visible {
  color: var(--c-white);
  border-bottom-color: var(--c-white);
}

/* ---------- 提交之后 ---------- */
.page-contact .contact-after {
  margin-top: var(--pc-gap);
}

.page-contact .after-track {
  list-style: none;
  margin: clamp(22px, 4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .after {
  position: relative;
  padding: 0 0 26px 0;
}

.page-contact .after:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 20px;
  top: 44px;
  bottom: 8px;
  border-left: 1px dashed var(--c-line);
}

.page-contact .after h3 {
  font-family: var(--font-display);
  font-size: 1.14rem;
  letter-spacing: 0.01em;
  color: var(--c-white);
  margin: 14px 0 0;
}

.page-contact .after p {
  margin: 8px 0 0;
  color: var(--c-slate);
  font-size: 0.92rem;
  line-height: 1.8;
  max-width: 40em;
}

.page-contact .after-figure {
  margin: clamp(26px, 5vw, 44px) 0 0;
}

.page-contact .after-loop {
  margin-top: clamp(26px, 4.6vw, 40px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: linear-gradient(120deg, var(--c-cabin), rgba(16, 30, 63, 0.6));
  padding: clamp(20px, 4vw, 32px);
}

.page-contact .after-loop p {
  margin: 0;
  color: var(--c-slate);
  font-size: 0.94rem;
  line-height: 1.85;
  max-width: 52em;
}

.page-contact .after-loop__cue {
  margin-top: 18px !important;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--c-white) !important;
  font-size: 0.92rem !important;
}

.page-contact .after-loop__cue a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px dashed var(--c-line);
}

.page-contact .after-loop__cue a:hover,
.page-contact .after-loop__cue a:focus-visible {
  border-bottom-color: var(--c-cyan);
}

.page-contact .dash {
  display: inline-block;
  width: 46px;
  border-top: 2px dashed var(--c-orange);
  flex: 0 0 auto;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero__points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px 22px;
  }

  .page-contact .chan {
    grid-template-columns: var(--pc-chan-num-w) 1fr;
    gap: 20px;
    align-items: start;
  }

  .page-contact .hours-rhythm__row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-contact .hours-rhythm__row dd {
    margin-left: 0;
  }

  .page-contact .after-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 34px;
  }

  .page-contact .after:not(:last-child)::after {
    left: 20px;
    top: 44px;
    bottom: 8px;
  }

  .page-contact .after:nth-child(2)::after {
    display: none;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(280px, 1fr);
    align-items: start;
  }

  .page-contact .hours-panel {
    grid-template-columns: minmax(240px, 0.62fr) minmax(0, 1.6fr);
  }

  .page-contact .hours-panel__clock {
    border-bottom: 0;
    border-right: 1px solid var(--c-line);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-contact .after-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 26px;
  }

  .page-contact .after:not(:last-child)::after {
    left: 20px;
    top: 44px;
    bottom: auto;
    height: 1px;
    width: auto;
    right: -6px;
    border-left: 0;
    border-top: 1px dashed var(--c-line);
  }

  .page-contact .after:nth-child(2)::after {
    display: block;
  }

  .page-contact .elem-track {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 719px) {
  .page-contact .chan__num {
    justify-self: start;
  }

  .page-contact .elem:not(:last-child)::after {
    height: 18px;
  }

  .page-contact .hours-panel__clock::after {
    display: none;
  }
}