.page-contact {
  --pc-gap: clamp(18px, 3vw, 34px);
  --pc-rail: clamp(18px, 3vw, 30px);
  padding-bottom: clamp(36px, 6vw, 72px);
}

.page-contact .crumbs {
  padding-block: clamp(14px, 2.6vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-bottom: clamp(32px, 6vw, 78px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .contact-hero__body {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2vw, 20px);
}

.page-contact h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(38px, 8.2vw, 84px);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--paper-hi);
}

.page-contact h1 em {
  display: inline-block;
  font-style: normal;
  color: var(--neon);
  transform: skewX(-6deg);
  transform-origin: left bottom;
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.9;
  color: var(--paper);
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin: 0;
  padding: clamp(12px, 2vw, 18px) 0 0;
  border-top: 1px solid var(--line-22);
  list-style: none;
  font-size: 13px;
  color: var(--mist);
}

.page-contact .contact-hero__facts span {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1;
  margin-right: 6px;
  color: var(--paper-hi);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 4px;
}

/* ---------- 图片容器 ---------- */
.page-contact .media {
  position: relative;
  display: block;
  margin: 0;
  overflow: hidden;
  background: linear-gradient(160deg, var(--ink-mid), var(--ink-deep));
  border: 1px solid var(--line-22);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-contact .media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .media--hero {
  aspect-ratio: 3 / 2;
}

.page-contact .media--wide {
  aspect-ratio: 5 / 4;
}

.page-contact .media__tag {
  position: absolute;
  top: 0;
  right: 0;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--ink-deep);
  background: var(--neon);
}

.page-contact .media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 22px 14px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--paper);
  background: linear-gradient(0deg, rgba(2, 11, 9, 0.92), rgba(2, 11, 9, 0));
}

/* ---------- 通用标题 ---------- */
.page-contact h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(26px, 4.2vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0.22em 0 0;
  color: var(--paper-hi);
}

.page-contact h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.4;
  margin: 0 0 6px;
  color: var(--paper-hi);
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-channels__head {
  max-width: 64ch;
  margin-bottom: var(--pc-gap);
}

.page-contact .contact-channels__intro {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .channel-rail {
  display: grid;
  gap: 12px;
}

.page-contact .channel-item {
  padding: clamp(18px, 2.6vw, 30px) clamp(18px, 2.6vw, 30px) clamp(18px, 2.6vw, 30px) clamp(22px, 3vw, 34px);
  border-left: 2px solid var(--teal);
  background: linear-gradient(160deg, rgba(11, 58, 48, 0.55), rgba(6, 31, 25, 0.12));
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .channel-item:hover,
.page-contact .channel-item:focus-within {
  border-left-color: var(--neon);
  background: linear-gradient(160deg, rgba(11, 58, 48, 0.85), rgba(6, 31, 25, 0.3));
}

.page-contact .channel-item--primary {
  padding-block: clamp(24px, 3.6vw, 44px);
  border-left-color: var(--neon);
  background: linear-gradient(150deg, rgba(33, 246, 207, 0.15), rgba(6, 31, 25, 0.1) 62%);
}

.page-contact .channel-item__key,
.page-contact .channel-hours__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .channel-item__value {
  margin: 8px 0 10px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(18px, 3vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--paper-hi);
  overflow-wrap: anywhere;
}

.page-contact .channel-item--primary .channel-item__value {
  font-size: clamp(17px, 2.8vw, 32px);
  color: var(--neon);
}

.page-contact .channel-item__note {
  margin: 0;
  max-width: 48ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .channel-side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .channel-hours {
  padding: clamp(18px, 2.6vw, 26px);
  border-top: 2px solid var(--ember);
}

.page-contact .channel-hours__time {
  margin: 8px 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(26px, 4.6vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ember);
}

.page-contact .channel-hours__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 反馈分类 ---------- */
.page-contact .contact-topics__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 20px;
  margin-bottom: var(--pc-gap);
}

.page-contact .topic-grid {
  display: grid;
  gap: 12px;
}

.page-contact .topic-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(18px, 2.4vw, 24px);
  text-decoration: none;
  color: inherit;
  border-top: 1px solid var(--line-35);
  background: linear-gradient(180deg, rgba(11, 58, 48, 0.4), rgba(6, 31, 25, 0));
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .topic-card:hover {
  transform: translateY(-3px);
  border-top-color: var(--neon);
}

.page-contact .topic-card:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
  transform: translateY(-3px);
}

.page-contact .topic-card__n {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--neon);
}

.page-contact .topic-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .topic-card__meta {
  margin-top: auto;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--paper);
  border-top: 1px dashed var(--line-22);
}

/* ---------- 提交前准备 ---------- */
.page-contact .contact-prep__grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .prep-steps {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-22);
}

.page-contact .prep-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 26px);
  padding: clamp(16px, 2.4vw, 24px) 0;
  border-bottom: 1px solid var(--line-18);
}

.page-contact .prep-step__n {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.4vw, 26px);
  line-height: 1;
  color: var(--teal);
}

.page-contact .prep-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-prep__aside {
  padding: clamp(20px, 3vw, 30px);
  color: var(--ink-deep);
}

.page-contact .panel--paper .eyebrow {
  color: var(--teal);
}

.page-contact .panel--paper h3 {
  margin: 8px 0 12px;
  color: var(--ink-deep);
  font-size: clamp(18px, 2.2vw, 22px);
}

.page-contact .panel--paper p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-deep);
}

.page-contact .panel--paper p:last-child {
  margin-bottom: 0;
}

/* ---------- 处理流程 ---------- */
.page-contact .contact-flow__head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .contact-flow__head p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .flow-track {
  list-style: none;
  margin: 0;
  padding: 0 0 0 var(--pc-rail);
  border-left: 1px solid var(--line-35);
}

.page-contact .flow-step {
  position: relative;
  padding: clamp(16px, 2.4vw, 24px) 0;
  border-bottom: 1px solid var(--line-18);
}

.page-contact .flow-step:last-child {
  border-bottom: 0;
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  top: clamp(22px, 3.2vw, 30px);
  left: calc(var(--pc-rail) * -1 - 3.5px);
  width: 7px;
  height: 7px;
  background: var(--ember);
  transform: rotate(45deg);
}

.page-contact .flow-step__n {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ember);
}

.page-contact .flow-step p {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 合作与媒体 ---------- */
.page-contact .contact-partners__grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .contact-partners__intro p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .partner-ways {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .partner-way {
  padding: 18px 20px;
  border-left: 1px solid var(--line-55);
  background: rgba(11, 58, 48, 0.4);
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .partner-way:hover {
  border-left-color: var(--neon);
  background: rgba(11, 58, 48, 0.7);
}

.page-contact .partner-way__tag {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--neon);
  transform: skewX(-9deg);
}

.page-contact .partner-way p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 隐私提示 ---------- */
.page-contact .contact-privacy__inner {
  display: grid;
  gap: var(--pc-gap);
  padding: clamp(22px, 4vw, 46px);
  background: linear-gradient(135deg, rgba(11, 58, 48, 0.6), rgba(2, 11, 9, 0.9));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-contact .contact-privacy__copy p {
  margin: 12px 0 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .contact-privacy__links {
  display: grid;
  gap: 10px;
  align-content: center;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: end;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 1.34fr) minmax(0, 0.66fr);
    align-items: start;
  }

  .page-contact .contact-prep__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.8fr);
    align-items: start;
  }

  .page-contact .contact-partners__grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: start;
  }

  .page-contact .contact-privacy__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 1080px) {
  .page-contact .topic-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .flow-track {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(28px, 4vw, 56px);
    border-left: 0;
    padding-left: 0;
  }

  .page-contact .flow-step {
    padding-left: var(--pc-rail);
    border-left: 1px solid var(--line-35);
  }

  .page-contact .flow-step::before {
    top: clamp(22px, 3.2vw, 30px);
    left: -4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-item,
  .page-contact .topic-card,
  .page-contact .partner-way {
    transition: none;
  }

  .page-contact .topic-card:hover,
  .page-contact .topic-card:focus-visible {
    transform: none;
  }
}