.page-contact {
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 18px;
  padding-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
}

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

.page-contact .contact-crumbs a:hover {
  text-decoration: underline;
}

/* ---------- 首屏框景 ---------- */
.page-contact .contact-hero {
  padding-bottom: 40px;
}

.page-contact .contact-hero__frame {
  position: relative;
  background: var(--charcoal);
  background-image:
    linear-gradient(to right, rgba(140, 154, 147, 0.14) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(140, 154, 147, 0.14) 1px, transparent 1px);
  background-size: 64px 64px;
  border: 2px solid var(--lime);
  box-shadow: 8px 8px 0 rgba(11, 26, 20, 0.45);
  padding: clamp(24px, 4vw, 52px);
  color: var(--paper);
  overflow: hidden;
}

.page-contact .contact-hero__frame::before,
.page-contact .contact-hero__frame::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--lime);
}

.page-contact .contact-hero__frame::before {
  top: -2px;
  right: -2px;
  border-left: 0;
  border-bottom: 0;
}

.page-contact .contact-hero__frame::after {
  bottom: -2px;
  left: -2px;
  border-right: 0;
  border-top: 0;
}

.page-contact .contact-hero__tick {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background-image: repeating-linear-gradient(
    to right,
    rgba(182, 255, 59, 0.55) 0 2px,
    transparent 2px 24px
  );
}

.page-contact .contact-hero__eyebrow {
  color: var(--lime);
  margin: 0 0 22px;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 30px;
}

.page-contact .contact-hero__title {
  margin: 0 0 16px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(30px, 5.2vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .contact-hero__lede {
  margin: 0 0 26px;
  max-width: 46ch;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 239, 226, 0.86);
}

.page-contact .contact-lines {
  margin: 0;
  border-top: 1px solid rgba(140, 154, 147, 0.3);
}

.page-contact .contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(140, 154, 147, 0.3);
}

.page-contact .contact-line__key {
  flex: 0 0 54px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-contact .contact-line__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.1vw, 18px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--white);
  word-break: break-word;
}

.page-contact .contact-line__val--addr {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.65;
  color: rgba(244, 239, 226, 0.9);
}

.page-contact .contact-hero__hint {
  margin: 20px 0 0;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.7;
  color: var(--amber);
  border-left: 3px solid var(--amber);
  padding-left: 12px;
}

.page-contact .contact-hero__right {
  border-top: 1px solid rgba(140, 154, 147, 0.3);
  padding-top: 20px;
}

.page-contact .contact-hero__rightlabel {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-mute);
  color: rgba(140, 154, 147, 0.95);
}

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

.page-contact .contact-scene {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 4px 12px;
  align-items: start;
  padding: 14px 16px;
  background: var(--ink);
  border: 1px solid rgba(182, 255, 59, 0.24);
  border-left: 3px solid var(--lime);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-contact .contact-scene:hover,
.page-contact .contact-scene:focus-within {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 rgba(182, 255, 59, 0.85);
  border-color: var(--lime);
}

.page-contact .contact-scene__num {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--lime);
}

.page-contact .contact-scene__body {
  display: block;
  min-width: 0;
}

.page-contact .contact-scene__name {
  display: block;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.page-contact .contact-scene__desc {
  display: block;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(244, 239, 226, 0.68);
}

/* ---------- 页内锚点条 ---------- */
.page-contact .contact-anchor {
  position: sticky;
  top: var(--shell-h);
  z-index: 6;
  background: var(--paper-3);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-anchor__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-contact .contact-anchor__list::-webkit-scrollbar {
  display: none;
}

.page-contact .contact-anchor__link {
  display: block;
  white-space: nowrap;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .contact-anchor__link:hover,
.page-contact .contact-anchor__link:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
}

.page-contact .contact-anchor__link.is-active {
  color: var(--ink);
  font-weight: 700;
  border-bottom-color: var(--lime);
  background: rgba(182, 255, 59, 0.18);
}

/* ---------- 章节通用 ---------- */
.page-contact .contact-sec {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .qm-section__index {
  color: var(--green);
  margin: 0 0 10px;
}

.page-contact .qm-section__title {
  margin: 0 0 14px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.22;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-contact .qm-section__lede {
  margin: 0 0 34px;
  max-width: 62ch;
  font-family: var(--font-serif);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 01 沟通场景矩阵 ---------- */
.page-contact .contact-matrix {
  border-top: 2px solid var(--ink);
}

.page-contact .contact-matrix__head {
  display: none;
}

.page-contact .contact-matrix__row {
  display: grid;
  gap: 10px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease);
}

.page-contact .contact-matrix__row:hover {
  background: rgba(182, 255, 59, 0.14);
}

.page-contact .contact-matrix__row--flag {
  border-left: 3px solid var(--crimson);
  padding-left: 14px;
  background: rgba(232, 163, 61, 0.08);
}

.page-contact .contact-matrix__tag {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-contact .contact-matrix__name {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .contact-matrix__cell {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink-soft);
}

/* ---------- 02 邮件写法 ---------- */
.page-contact .contact-mail {
  border: 2px solid var(--ink);
  background: var(--white);
  box-shadow: 6px 6px 0 rgba(11, 26, 20, 0.14);
}

.page-contact .contact-mail__head {
  padding: 20px 20px 18px;
  background: var(--ink);
  color: var(--paper);
}

.page-contact .contact-mail__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-contact .contact-mail__sample {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.4vw, 19px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--white);
  word-break: break-word;
}

.page-contact .contact-mail__steps {
  list-style: none;
  margin: 0;
  padding: 8px 20px 20px;
  counter-reset: none;
}

.page-contact .contact-mail__step {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--paper-2);
}

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

.page-contact .contact-mail__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--white);
  background: var(--green);
  text-align: center;
  height: 24px;
  line-height: 24px;
  align-self: start;
}

.page-contact .contact-mail__name {
  margin: 0 0 4px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .contact-mail__text {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-contact .contact-notice {
  margin-top: 24px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1.75;
}

/* ---------- 03 受理节奏 ---------- */
.page-contact .contact-split {
  display: grid;
  gap: 34px;
}

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

.page-contact .contact-rhythm__item {
  padding: 18px 18px 20px;
  background: var(--paper-3);
  border-left: 4px solid var(--green);
}

.page-contact .contact-rhythm__item--releg {
  border-left-color: var(--crimson);
  background: rgba(232, 163, 61, 0.12);
}

.page-contact .contact-rhythm__phase {
  display: inline-block;
  margin-bottom: 10px;
}

.page-contact .contact-rhythm__name {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .contact-rhythm__text {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .contact-side-card {
  margin-top: 18px;
  padding: 18px;
  background: var(--charcoal);
  color: var(--paper);
  border-top: 3px solid var(--lime);
}

.page-contact .contact-side-card__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-contact .contact-side-card__text {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(244, 239, 226, 0.86);
}

/* ---------- 图片容器 ---------- */
.page-contact .contact-media {
  margin: 0;
}

.page-contact .contact-media__frame,
.page-contact .contact-media .qm-media__frame {
  background: var(--paper-2);
  border: 2px solid var(--ink);
  overflow: hidden;
}

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

.page-contact .contact-media .qm-media__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--ink-mute);
}

/* ---------- 04 团队 ---------- */
.page-contact .contact-team__grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .contact-team__cell {
  background: var(--white);
  padding: 20px 18px 22px;
}

.page-contact .contact-team__num {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--green);
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-team__name {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .contact-team__text {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-contact .contact-team .contact-media--wide {
  margin-top: 26px;
}

.page-contact .contact-region {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-region__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-mute);
}

.page-contact .contact-region__tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .contact-region__tags li {
  font-family: var(--font-sans);
  font-size: 12.5px;
  line-height: 1;
  padding: 8px 12px;
  border: 1px solid var(--green);
  color: var(--green);
  background: rgba(31, 107, 74, 0.06);
}

/* ---------- 05 准备清单 ---------- */
.page-contact .contact-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 2px solid var(--ink);
}

.page-contact .contact-checklist__item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-checklist__box {
  width: 16px;
  height: 16px;
  margin-top: 3px;
  border: 2px solid var(--green);
  position: relative;
  flex: none;
}

.page-contact .contact-checklist__box::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 5px;
  width: 9px;
  height: 2px;
  background: var(--green);
  transform: rotate(-45deg);
  transform-origin: left center;
}

.page-contact .contact-checklist__name {
  margin: 0 0 4px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .contact-checklist__text {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-soft);
}

/* ---------- 06 常见问题 ---------- */
.page-contact .contact-faq {
  border-top: 2px solid var(--ink);
}

.page-contact .contact-faq__item {
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-faq__q {
  cursor: pointer;
  padding: 18px 30px 18px 0;
  position: relative;
  font-family: var(--font-sans);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  list-style: none;
}

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

.page-contact .contact-faq__q::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 400;
  color: var(--green);
  transition: transform var(--dur) var(--ease);
}

.page-contact .contact-faq__item[open] .contact-faq__q::after {
  content: "−";
  color: var(--ink);
}

.page-contact .contact-faq__q:hover {
  color: var(--green);
}

.page-contact .contact-faq__a {
  padding: 0 0 20px;
}

.page-contact .contact-faq__a p {
  margin: 0;
  max-width: 72ch;
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact .contact-links {
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-links__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-mute);
}

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

.page-contact .contact-links__a {
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--white);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  color: var(--green);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-contact .contact-links__a:hover,
.page-contact .contact-links__a:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 rgba(11, 26, 20, 0.18);
  border-color: var(--ink);
}

/* ---------- 底部速查条 ---------- */
.page-contact .contact-strip {
  background: var(--ink);
  color: var(--paper);
}

.page-contact .contact-strip__inner {
  display: grid;
  gap: 8px;
  padding-top: 18px;
  padding-bottom: 18px;
}

.page-contact .contact-strip__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
}

.page-contact .contact-strip__key {
  flex: 0 0 42px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-contact .contact-strip__val {
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--white);
  word-break: break-word;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-matrix__head {
    display: grid;
    grid-template-columns: 200px minmax(0, 0.9fr) minmax(0, 1.15fr);
    gap: 20px;
    padding: 12px 0;
    border-bottom: 1px solid var(--ink);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    color: var(--ink-mute);
  }

  .page-contact .contact-matrix__row {
    grid-template-columns: 200px minmax(0, 0.9fr) minmax(0, 1.15fr);
    gap: 20px;
    align-items: start;
    padding: 22px 0;
  }

  .page-contact .contact-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }

  .page-contact .contact-links__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-contact .contact-strip__inner {
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 22px;
  }

  .page-contact .contact-strip__item--end {
    justify-content: flex-end;
  }

  .page-contact .contact-team__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-sec {
    padding: 72px 0;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .contact-hero__right {
    border-top: 0;
    border-left: 1px solid rgba(140, 154, 147, 0.3);
    padding-top: 0;
    padding-left: 34px;
  }

  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.9fr);
    gap: 48px;
    align-items: start;
  }

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

  .page-contact .contact-region__tags {
    gap: 10px;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-matrix__head,
  .page-contact .contact-matrix__row {
    grid-template-columns: 220px minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-scene,
  .page-contact .contact-anchor__link,
  .page-contact .contact-links__a,
  .page-contact .contact-matrix__row,
  .page-contact .contact-faq__q::after {
    transition: none;
  }

  .page-contact .contact-scene:hover,
  .page-contact .contact-links__a:hover {
    transform: none;
  }
}