.page-contact {
  --pc-ink: #22304A;
  --pc-copper-deep: #8A5A22;
  max-width: 100%;
  overflow-x: hidden;
  color: var(--paper);
  font-family: var(--font-sans);
  padding-bottom: 56px;
}

.page-contact p {
  margin: 0;
}

.page-contact .breadcrumb {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px var(--gutter) 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover {
  color: var(--turf);
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--copper);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 28px var(--gutter) 44px;
  display: grid;
  gap: 30px;
}

.page-contact .contact-hero__text h1 {
  margin: 14px 0 20px;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero__text .lead {
  color: var(--paper);
}

.page-contact .contact-hero__text .body-text {
  margin-top: 16px;
  color: var(--mist);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

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

.page-contact .contact-hero__figure img,
.page-contact .contact-visit__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

/* ---------- 章节抬头 ---------- */

.page-contact .contact-channels,
.page-contact .contact-partner,
.page-contact .contact-account,
.page-contact .contact-visit {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 44px var(--gutter);
}

.page-contact .contact-submit {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px var(--gutter);
  background: var(--night);
  border-radius: var(--radius);
}

.page-contact .section__head {
  max-width: 62ch;
}

.page-contact .section__head h2 {
  margin: 10px 0 16px;
  line-height: 1.14;
}

.page-contact .section__head .lead {
  color: var(--mist);
}

/* ---------- 顶部横向刻度 ---------- */

.page-contact .contact-ruler {
  position: relative;
  margin: 30px 0 26px;
  padding-top: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
  display: grid;
  gap: 12px;
}

.page-contact .contact-ruler::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 7px;
  background-image: repeating-linear-gradient(to right, var(--line) 0 1px, transparent 1px 13px);
  opacity: 0.85;
}

.page-contact .contact-ruler__tick {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .contact-ruler__tick::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--turf);
  border-radius: 1px;
  flex: none;
}

/* ---------- 渠道贴片 ---------- */

.page-contact .contact-grid {
  display: grid;
  gap: 18px;
}

.page-contact .contact-card {
  position: relative;
  padding: 22px;
  background: var(--night);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.page-contact .contact-card--mail {
  padding: 26px 22px;
  background: linear-gradient(158deg, var(--board) 0%, var(--night) 68%);
  border-color: rgba(53, 224, 140, 0.34);
}

.page-contact .contact-card--addr {
  background: linear-gradient(180deg, var(--night) 40%, var(--gobi) 100%);
}

.page-contact .contact-card__tag {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--copper);
  margin-bottom: 10px;
}

.page-contact .contact-card__title {
  margin: 0 0 12px;
  font-size: var(--fs-20);
  font-weight: 900;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .contact-card__value {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  letter-spacing: 0.03em;
  color: var(--turf);
  word-break: break-all;
}

.page-contact .contact-card__value--plain {
  font-size: var(--fs-16);
  line-height: 1.75;
  letter-spacing: 0.06em;
  color: var(--paper);
  word-break: normal;
}

.page-contact .contact-card .body-text {
  color: var(--mist);
  font-size: var(--fs-14);
}

.page-contact .contact-card__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--mist);
}

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

.page-contact .contact-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--scale);
}

/* ---------- 响应节奏刻度 ---------- */

.page-contact .contact-clock {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
}

.page-contact .contact-clock__label {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  color: var(--stoppage);
  margin-bottom: 14px;
}

.page-contact .contact-clock__track {
  position: relative;
  height: 10px;
  border-radius: 3px;
  background: var(--gobi);
  cursor: help;
  outline: none;
}

.page-contact .contact-clock__track::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 3px;
  background-image: repeating-linear-gradient(to right, rgba(75, 92, 126, 0.55) 0 1px, transparent 1px 12px);
}

.page-contact .contact-clock__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 40%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--turf), var(--stoppage));
}

.page-contact .contact-clock__track:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 4px;
}

.page-contact .contact-clock__tip {
  display: block;
  margin-top: 12px;
  font-size: var(--fs-12);
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 提交流程 ---------- */

.page-contact .contact-flow {
  margin-top: 28px;
  display: grid;
  gap: 14px;
}

.page-contact .contact-flow__step {
  position: relative;
  padding: 18px 16px 16px;
  background: var(--board);
  border-radius: 10px;
  border-left: 3px solid var(--scale);
}

.page-contact .contact-flow__step--start {
  border-left-color: var(--stoppage);
}

.page-contact .contact-flow__step--live {
  border-left-color: var(--turf);
}

.page-contact .contact-flow__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--copper);
  margin-bottom: 10px;
}

.page-contact .contact-flow__title {
  margin: 0 0 8px;
  font-size: var(--fs-16);
  font-weight: 900;
  color: var(--paper);
}

.page-contact .contact-flow__step p {
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 折叠说明 ---------- */

.page-contact .contact-disclosures {
  margin-top: 28px;
  display: grid;
  gap: 10px;
}

.page-contact .contact-disclosure {
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: rgba(11, 18, 32, 0.55);
}

.page-contact .contact-disclosure__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  background: transparent;
  border: 0;
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: var(--fs-16);
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.page-contact .contact-disclosure__toggle::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  color: var(--copper);
  line-height: 1;
}

.page-contact .contact-disclosure__toggle[aria-expanded="true"]::after {
  content: "–";
}

.page-contact .contact-disclosure__toggle:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: -2px;
  border-radius: 10px;
}

.page-contact .contact-disclosure__panel {
  padding: 0 18px 18px;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-disclosure__toggle[aria-expanded="false"] + .contact-disclosure__panel {
  display: none;
}

/* ---------- 媒体与机构合作 ---------- */

.page-contact .contact-partner__grid {
  margin-top: 26px;
  display: grid;
  gap: 26px;
}

.page-contact .contact-partner__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .contact-partner__list li {
  padding-left: 18px;
  border-left: 2px solid rgba(201, 138, 75, 0.5);
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--paper);
}

.page-contact .contact-partner__side {
  padding: 24px 22px;
  background: linear-gradient(200deg, var(--board), var(--night));
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  display: grid;
  gap: 4px;
  align-content: start;
}

.page-contact .contact-partner__stat {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 12px;
}

.page-contact .contact-partner__stat:first-child {
  margin-top: 0;
}

.page-contact .contact-partner__num {
  font-family: var(--font-mono);
  font-size: var(--fs-44);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--stoppage);
  line-height: 1;
}

.page-contact .contact-partner__unit {
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  color: var(--mist);
  letter-spacing: 0.08em;
}

.page-contact .contact-partner__caption {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  line-height: 1.7;
  color: var(--mist);
  margin-bottom: 10px;
}

.page-contact .contact-partner__how {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-partner__how a {
  color: var(--turf);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 140, 0.45);
}

.page-contact .contact-partner__how a:hover {
  border-bottom-color: var(--turf);
}

/* ---------- 账号与订阅 ---------- */

.page-contact .contact-account__grid {
  margin-top: 26px;
  display: grid;
  gap: 14px;
}

.page-contact .contact-account__card {
  padding: 20px;
  background: var(--night);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.page-contact .contact-account__title {
  margin: 0 0 10px;
  font-size: var(--fs-16);
  font-weight: 900;
  color: var(--turf);
}

.page-contact .contact-account__card p {
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-account__foot {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 18px;
}

.page-contact .contact-account__foot .body-text {
  color: var(--mist);
}

.page-contact .contact-account__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 到访与位置（浅色收束） ---------- */

.page-contact .contact-visit {
  background: var(--sand);
  color: var(--pc-ink);
  border-radius: var(--radius);
  margin-top: 8px;
  margin-bottom: 24px;
}

.page-contact .contact-visit .section__index {
  color: var(--pc-copper-deep);
}

.page-contact .contact-visit h2 {
  color: var(--gobi);
  margin: 8px 0 0;
}

.page-contact .contact-visit__inner {
  margin-top: 24px;
  display: grid;
  gap: 24px;
}

.page-contact .contact-address {
  border-top: 1px solid rgba(11, 18, 32, 0.16);
}

.page-contact .contact-address__line {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 2px;
  border-bottom: 1px dashed rgba(11, 18, 32, 0.2);
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  letter-spacing: 0.06em;
  color: var(--gobi);
}

.page-contact .contact-address__no {
  flex: none;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--pc-copper-deep);
}

.page-contact .contact-visit__text {
  display: grid;
  gap: 14px;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--pc-ink);
}

.page-contact .contact-visit__figure {
  margin: 30px 0 0;
}

/* ---------- 桌面端 ---------- */

@media (min-width: 760px) {
  .page-contact .contact-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }

  .page-contact .contact-account__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

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

  .page-contact .contact-visit__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 52px;
    align-items: start;
    padding-top: 48px;
  }

  .page-contact .contact-hero__figure {
    margin-top: 14px;
  }

  .page-contact .contact-channels,
  .page-contact .contact-partner,
  .page-contact .contact-account,
  .page-contact .contact-visit {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .page-contact .contact-submit {
    padding: 52px 48px;
  }

  .page-contact .contact-grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    grid-template-areas:
      "mail line"
      "mail addr";
    gap: 18px;
  }

  .page-contact .contact-card--mail {
    grid-area: mail;
    display: flex;
    flex-direction: column;
  }

  .page-contact .contact-card--line {
    grid-area: line;
  }

  .page-contact .contact-card--addr {
    grid-area: addr;
  }

  .page-contact .contact-clock {
    margin-top: auto;
    padding-top: 22px;
  }

  .page-contact .contact-clock__tip {
    position: absolute;
    left: 0;
    top: calc(100% + 12px);
    width: max-content;
    max-width: 300px;
    margin-top: 0;
    padding: 12px 14px;
    background: var(--gobi);
    border: 1px solid var(--line);
    border-radius: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    z-index: 6;
  }

  .page-contact .contact-clock__track:hover .contact-clock__tip,
  .page-contact .contact-clock__track:focus .contact-clock__tip,
  .page-contact .contact-clock__track:focus-within .contact-clock__tip {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .page-contact .contact-partner__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.9fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .contact-partner__side {
    padding: 28px 26px;
    position: sticky;
    top: 24px;
  }

  .page-contact .contact-account__foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-clock__tip {
    transition: none;
  }

  .page-contact .contact-clock__tip,
  .page-contact .contact-clock__track:hover .contact-clock__tip,
  .page-contact .contact-clock__track:focus .contact-clock__tip,
  .page-contact .contact-clock__track:focus-within .contact-clock__tip {
    transform: none;
  }
}
</