.page-contact {
  --card-shadow: 9px 9px 0 var(--pulp), 10px 10px 0 1px var(--line);
  background: var(--paper);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumbs {
  padding-top: 20px;
  padding-bottom: 2px;
}

.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--moss);
}

.page-contact .crumbs a {
  color: var(--ice-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) ease;
}

.page-contact .crumbs a:hover {
  border-bottom-color: currentColor;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(28px, 5vw, 60px) 0 clamp(24px, 4vw, 44px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(127, 179, 213, .20), transparent 60%),
    radial-gradient(90% 80% at 0% 100%, rgba(211, 47, 47, .09), transparent 58%);
}

.page-contact .contact-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-size: clamp(34px, 7.2vw, 76px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.01em;
  max-width: 17em;
}

.page-contact .contact-hero__title em {
  font-style: normal;
  color: var(--maple);
}

.page-contact .contact-hero__lead {
  margin: 22px 0 0;
  max-width: 720px;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.75;
  color: var(--fir);
}

.page-contact .hero-meta {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  max-width: 720px;
  border: 1px solid var(--line-strong);
  background: #FFFDFA;
  box-shadow: 7px 7px 0 var(--pulp);
}

.page-contact .hero-meta__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  align-items: baseline;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 14px;
}

.page-contact .hero-meta__row:last-child {
  border-bottom: 0;
}

.page-contact .hero-meta__key {
  color: var(--moss);
  letter-spacing: .06em;
}

.page-contact .hero-meta__val {
  color: var(--fir);
  font-weight: 700;
}

/* ---------- 三条通道 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-contact .channel-card {
  --accent: var(--maple);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px 22px 24px 26px;
  background: #FFFDFA;
  border: 1px solid var(--line-strong);
  box-shadow: var(--card-shadow);
  transition: transform var(--dur) ease, box-shadow var(--dur) ease;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--accent);
}

.page-contact .channel-card--maple { --accent: var(--maple); }
.page-contact .channel-card--fir { --accent: var(--fir); }
.page-contact .channel-card--ice { --accent: var(--ice-deep); }

.page-contact .channel-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 12px 12px 0 var(--pulp), 13px 13px 0 1px var(--line-strong);
}

.page-contact .channel-card__arrow {
  position: absolute;
  right: 18px;
  top: 22px;
  font-size: 20px;
  line-height: 1;
  color: var(--accent);
  opacity: .5;
  transition: transform var(--dur) ease, opacity var(--dur) ease;
}

.page-contact .channel-card:hover .channel-card__arrow {
  transform: translateX(5px);
  opacity: 1;
}

.page-contact .channel-card__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--accent);
}

.page-contact .channel-card__title {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 25px);
  font-weight: 900;
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .channel-card__contact {
  display: block;
  padding: 9px 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  color: var(--fir);
  word-break: break-all;
}

.page-contact .channel-card__contact--addr {
  font-size: 13px;
  word-break: break-word;
}

.page-contact .channel-card__use {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--moss);
}

.page-contact .channel-card__use li {
  position: relative;
  padding-left: 16px;
}

.page-contact .channel-card__use li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  background: var(--accent);
}

.page-contact .channel-card__note {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--fir);
}

/* ---------- 浅色分隔带 ---------- */
.page-contact .strip-pulp {
  background: var(--pulp);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* ---------- 登录与入口反馈 ---------- */
.page-contact .feedback {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-contact .feedback__title {
  margin: 12px 0 0;
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.22;
  color: var(--ink);
}

.page-contact .feedback__lead {
  margin: 16px 0 0;
  max-width: 680px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--fir);
}

.page-contact .feedback__list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  counter-reset: fb;
}

.page-contact .feedback__list li {
  position: relative;
  padding: 18px 0 18px 58px;
  border-bottom: 1px solid var(--line);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--moss);
  counter-increment: fb;
}

.page-contact .feedback__list li::before {
  content: "0" counter(fb);
  position: absolute;
  left: 0;
  top: 19px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--maple);
}

.page-contact .feedback__item-title {
  display: block;
  margin-bottom: 4px;
  font-size: 17px;
  color: var(--ink);
}

.page-contact .feedback__tail {
  margin: 22px 0 0;
  max-width: 680px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--fir);
}

.page-contact .feedback__aside {
  padding: 26px 22px;
  background: var(--fir);
  border: 1px solid var(--fir-2);
  border-top: 5px solid var(--ice);
  box-shadow: 9px 9px 0 rgba(27, 58, 47, .12);
}

.page-contact .feedback__aside-title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 900;
  color: var(--paper);
}

.page-contact .feedback__aside-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(247, 244, 239, .82);
}

/* ---------- 企业合作 ---------- */
.page-contact .coop-figure {
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: var(--card-shadow);
}

.page-contact .coop-figure .media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .coop-head {
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .coop-title {
  margin: 12px 0 0;
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.22;
  color: var(--ink);
}

.page-contact .coop-lead {
  margin: 16px 0 0;
  max-width: 700px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--fir);
}

.page-contact .coop-steps {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  counter-reset: cs;
  border-top: 1px solid var(--line-strong);
}

.page-contact .coop-step {
  position: relative;
  padding: 20px 0 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .coop-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--ice-deep);
}

.page-contact .coop-step__title {
  display: block;
  margin-top: 6px;
  font-size: 18px;
  font-weight: 900;
  color: var(--ink);
}

.page-contact .coop-step__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--moss);
}

.page-contact .coop-tail {
  margin: 26px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--fir);
}

/* ---------- 到访服务中心 ---------- */
.page-contact .strip-fir {
  background: linear-gradient(180deg, #204236 0%, var(--fir) 100%);
  color: var(--paper);
}

.page-contact .visit {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .visit .eyebrow {
  color: rgba(247, 244, 239, .72);
}

.page-contact .visit__title {
  margin: 12px 0 0;
  font-size: clamp(26px, 3.8vw, 42px);
  font-weight: 900;
  line-height: 1.2;
  color: var(--paper);
}

.page-contact .visit__lead {
  margin: 18px 0 0;
  max-width: 660px;
  font-size: 16.5px;
  line-height: 1.78;
  color: rgba(247, 244, 239, .84);
}

.page-contact .visit-track {
  list-style: none;
  display: flex;
  align-items: center;
  margin: 34px 0 20px;
  padding: 0 0 4px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-contact .visit-track__item {
  flex: 1 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(247, 244, 239, .68);
  white-space: nowrap;
}

.page-contact .visit-track__dot {
  flex: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ice);
  box-shadow: 0 0 0 3px rgba(127, 179, 213, .22);
}

.page-contact .visit-track__line {
  flex: 1 1 auto;
  min-width: 20px;
  height: 2px;
  margin-left: 4px;
  background: linear-gradient(90deg, var(--ice), rgba(127, 179, 213, .18));
}

.page-contact .visit-step {
  background: rgba(247, 244, 239, .06);
  border: 1px solid var(--line-dark);
  margin-bottom: 10px;
  transition: background var(--dur) ease, border-color var(--dur) ease;
}

.page-contact .visit-step:hover {
  background: rgba(247, 244, 239, .1);
  border-color: rgba(127, 179, 213, .5);
}

.page-contact .visit-step[open] {
  border-left: 4px solid var(--maple);
}

.page-contact .visit-step__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--paper);
}

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

.page-contact .visit-step__head::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--ice);
}

.page-contact .visit-step[open] .visit-step__head::after {
  content: "−";
  color: var(--maple);
}

.page-contact .visit-step__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--ice);
}

.page-contact .visit-step__body {
  padding: 0 18px 16px 50px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(247, 244, 239, .8);
}

.page-contact .visit-step__body p {
  margin: 0;
}

.page-contact .visit__figure {
  margin: 0;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border: 1px solid var(--line-dark);
  box-shadow: 9px 9px 0 rgba(0, 0, 0, .22);
}

.page-contact .visit__figure .media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 留言与回访 ---------- */
.page-contact .replay-title {
  margin: 12px 0 0;
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.22;
  color: var(--ink);
}

.page-contact .replay-lead {
  margin: 16px 0 0;
  max-width: 680px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--fir);
}

.page-contact .replay {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-contact .replay__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .replay__key {
  position: relative;
  padding-left: 16px;
  font-size: 16.5px;
  font-weight: 900;
  color: var(--fir);
}

.page-contact .replay__key::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: 7px;
  height: 7px;
  background: var(--maple);
}

.page-contact .replay__val {
  font-size: 15px;
  line-height: 1.75;
  color: var(--moss);
}

.page-contact .prep-note {
  margin-top: clamp(30px, 4vw, 46px);
  padding: 26px 22px;
  background: var(--fir);
  border-left: 5px solid var(--ice);
  box-shadow: 9px 9px 0 var(--pulp);
}

.page-contact .prep-note__title {
  margin: 0 0 14px;
  font-size: 18px;
  font-weight: 900;
  color: var(--paper);
}

.page-contact .prep-note__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(247, 244, 239, .82);
}

.page-contact .prep-note__list li {
  position: relative;
  padding-left: 18px;
}

.page-contact .prep-note__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  background: var(--ice);
}

.page-contact .replay-tail {
  margin: 26px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--fir);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .coop-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 var(--gap);
  }

  .page-contact .replay__item {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }
}

@media (min-width: 880px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .coop-figure {
    aspect-ratio: 21 / 9;
  }

  .page-contact .coop-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .coop-step {
    padding: 22px 18px 22px 0;
    border-bottom: 0;
  }

  .page-contact .coop-step + .coop-step {
    padding-left: 20px;
    border-left: 1px dashed var(--line);
  }
}

@media (min-width: 960px) {
  .page-contact .feedback {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }

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

  .page-contact .visit__figure {
    position: sticky;
    top: 76px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card__arrow,
  .page-contact .visit-step {
    transition: opacity var(--dur) ease;
  }

  .page-contact .channel-card:hover {
    transform: none;
  }

  .page-contact .channel-card:hover .channel-card__arrow {
    transform: none;
  }
}