.page-contact {
  --contact-edge: 1px solid var(--ink-700);
  --contact-pad: clamp(20px, 3.2vw, 32px);
  padding-block-end: clamp(48px, 8vw, 92px);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding-block-start: clamp(16px, 3vw, 32px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
  align-items: center;
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }
}

.page-contact .contact-hero__kicker {
  margin: 0 0 14px;
  color: var(--lime-400);
}

.page-contact .contact-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-size: clamp(34px, 6.4vw, 62px);
  line-height: 1.12;
  letter-spacing: 0.01em;
  color: var(--text-100);
  max-width: 13ch;
}

.page-contact .contact-hero__intro {
  margin: 0 0 16px;
  max-width: 42ch;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.8;
  color: var(--mist-300);
}

.page-contact .contact-hero__meta {
  margin: 0;
  padding-left: 14px;
  border-left: 3px solid var(--orange-500);
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist-300);
}

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

/* ---------- 联系渠道卡 ---------- */

.page-contact .contact-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

@media (min-width: 720px) {
  .page-contact .contact-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
  .page-contact .contact-channels__card:nth-child(even) {
    transform: translateY(14px);
  }
}

.page-contact .contact-channels__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--contact-pad);
  color: var(--ink-950);
  border: 1px solid var(--paper-200);
}

.page-contact .contact-channels__card .label-caps,
.page-contact .contact-channels__label {
  margin: 0;
  color: var(--lime-600);
}

.page-contact .contact-channels__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.9vw, 19px);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.005em;
  color: var(--ink-950);
  overflow-wrap: anywhere;
}

.page-contact .contact-channels__value--addr {
  font-size: clamp(14px, 1.6vw, 16.5px);
  line-height: 1.7;
}

.page-contact .contact-channels__note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-700);
}

/* ---------- 诉求分流 ---------- */

.page-contact .contact-routing__head {
  margin-bottom: clamp(16px, 2.6vw, 26px);
}

.page-contact .contact-routing__lede {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--mist-300);
}

.page-contact .contact-routing__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--contact-edge);
}

.page-contact .contact-route {
  border-bottom: var(--contact-edge);
}

.page-contact .contact-route__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num title"
    "num hint";
  gap: 6px 18px;
  align-items: baseline;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  transition: padding-left var(--dur) ease;
}

.page-contact .contact-route__summary::-webkit-details-marker {
  display: none;
}

.page-contact .contact-route__summary:focus-visible {
  outline: 2px solid var(--lime-400);
  outline-offset: 3px;
}

@media (min-width: 760px) {
  .page-contact .contact-route__summary {
    grid-template-columns: 78px minmax(0, 1fr) minmax(0, 0.85fr);
    grid-template-areas: "num title hint";
    align-items: center;
    gap: 0 20px;
  }
  .page-contact .contact-route__hint {
    text-align: right;
  }
  .page-contact .contact-route__summary:hover {
    padding-left: 8px;
  }
}

.page-contact .contact-route__num {
  grid-area: num;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 42px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--ink-700);
  transition: color var(--dur) ease;
}

.page-contact .contact-route__title {
  grid-area: title;
  font-family: var(--font-serif);
  font-size: clamp(19px, 2.2vw, 25px);
  line-height: 1.3;
  color: var(--text-100);
}

.page-contact .contact-route__hint {
  grid-area: hint;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist-300);
}

.page-contact .contact-route__box[open] .contact-route__num {
  color: var(--lime-400);
}

.page-contact .contact-route__panel {
  padding: 0 0 24px;
  max-width: 62ch;
}

@media (min-width: 760px) {
  .page-contact .contact-route__panel {
    padding-inline-start: 98px;
    padding-bottom: 28px;
  }
}

.page-contact .contact-route__panel p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist-300);
}

.page-contact .contact-route__points {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .contact-route__points li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-100);
}

.page-contact .contact-route__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 7px;
  height: 7px;
  background: var(--lime-400);
}

.page-contact .contact-route__points li:nth-child(even)::before {
  background: var(--orange-500);
}

/* ---------- 反馈要点与处理路径 ---------- */

.page-contact .contact-brief {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
}

@media (min-width: 900px) {
  .page-contact .contact-brief {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

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

.page-contact .contact-brief__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 16px;
  background: var(--ink-900);
  border: var(--contact-edge);
  border-left: 3px solid var(--ink-700);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-100);
  transition: border-color var(--dur) ease, transform var(--dur) ease;
}

.page-contact .contact-brief__item:hover {
  border-left-color: var(--lime-400);
  transform: translateX(3px);
}

.page-contact .contact-brief__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--lime-400);
}

.page-contact .contact-flowcard {
  padding: var(--contact-pad);
  background: var(--ink-800);
}

.page-contact .contact-flowcard__kicker {
  margin: 0 0 8px;
  color: var(--orange-500);
}

.page-contact .contact-flow {
  display: block;
  width: 100%;
  height: auto;
  margin: 4px 0 14px;
}

.page-contact .contact-flow line {
  stroke: var(--ink-700);
}

.page-contact .contact-flow circle {
  fill: var(--lime-400);
}

.page-contact .contact-flow circle.is-alt {
  fill: var(--orange-500);
}

.page-contact .contact-flow__labels {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  text-align: center;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--mist-300);
}

.page-contact .contact-flowcard__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: var(--contact-edge);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-300);
}

/* ---------- 合作宽条 ---------- */

.page-contact .contact-coop {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: var(--contact-edge);
  background: var(--ink-900);
  transition: transform var(--dur) ease, border-color var(--dur) ease, box-shadow var(--dur) ease;
}

.page-contact .contact-coop:hover {
  transform: translateY(-2px);
  border-color: var(--lime-400);
  box-shadow: var(--shadow-lift);
}

@media (min-width: 880px) {
  .page-contact .contact-coop {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }
}

.page-contact .contact-coop__body {
  padding: clamp(26px, 4vw, 46px);
  background: linear-gradient(158deg, var(--orange-500) 0%, #d1541b 100%);
  color: var(--ink-950);
}

.page-contact .contact-coop__kicker {
  margin: 0 0 12px;
  color: var(--ink-950);
  opacity: 0.75;
}

.page-contact .contact-coop__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.2;
  color: var(--ink-950);
}

.page-contact .contact-coop__lede {
  margin: 0 0 18px;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink-950);
}

.page-contact .contact-coop__list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  max-width: 52ch;
}

.page-contact .contact-coop__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-950);
}

.page-contact .contact-coop__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 8px;
  background: var(--ink-950);
  opacity: 0.7;
}

.page-contact .contact-coop__list strong {
  font-weight: 700;
}

.page-contact .contact-coop__foot {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid rgba(4, 20, 15, 0.28);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-950);
}

.page-contact .contact-coop__foot a {
  color: var(--ink-950);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
}

.page-contact .contact-coop__foot a:hover {
  background: rgba(4, 20, 15, 0.14);
}

.page-contact .contact-coop__figure {
  margin: 0;
  border: 0;
  min-height: 220px;
}

.page-contact .contact-coop__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 服务范围 ---------- */

.page-contact .contact-scope__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

@media (min-width: 820px) {
  .page-contact .contact-scope__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

.page-contact .contact-scope__card {
  padding: var(--contact-pad);
  border-top: 3px solid var(--lime-400);
}

.page-contact .contact-scope__card:nth-child(2) {
  border-top-color: var(--orange-500);
}

.page-contact .contact-scope__card:nth-child(3) {
  border-top-color: var(--ink-700);
}

.page-contact .contact-scope__label {
  margin: 0 0 10px;
  color: var(--mist-300);
}

.page-contact .contact-scope__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-100);
}

.page-contact .contact-scope__card a {
  color: var(--lime-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-scope__card a:hover {
  color: var(--orange-200);
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-coop,
  .page-contact .contact-brief__item,
  .page-contact .contact-route__num,
  .page-contact .contact-route__summary {
    transition: none;
  }
  .page-contact .contact-coop:hover,
  .page-contact .contact-brief__item:hover,
  .page-contact .contact-route__summary:hover {
    transform: none;
  }
  .page-contact .contact-channels__card:nth-child(even) {
    transform: none;
  }
}