.page-contact {
  --contact-line: rgba(140, 156, 144, 0.38);
  --contact-line-soft: rgba(140, 156, 144, 0.2);
  --contact-on-dark: rgba(244, 247, 241, 0.82);
  --contact-on-dark-soft: rgba(244, 247, 241, 0.2);
  background: var(--paper);
  color: var(--graphite);
  overflow-x: hidden;
}

/* ---------- 通用段内元素 ---------- */

.page-contact .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px 32px;
  padding-bottom: 16px;
  border-bottom: 1.5px solid var(--contact-line);
}

.page-contact .section-head__meta {
  max-width: 40ch;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .contact-lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
}

.page-contact .contact-lede--on-dark {
  color: var(--contact-on-dark);
}

.page-contact .contact-footnote {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--green);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-correct {
  background: #ffffff;
  border-top: 1px solid var(--contact-line-soft);
  border-bottom: 1px solid var(--contact-line-soft);
  padding-block: clamp(48px, 7vw, 92px);
}

.page-contact .contact-entry,
.page-contact .contact-coverage,
.page-contact .contact-cadence {
  padding-block: clamp(46px, 6.5vw, 88px);
}

.page-contact .contact-reach {
  padding-block: clamp(40px, 6vw, 76px) clamp(56px, 7vw, 96px);
}

/* ---------- 首屏框景 ---------- */

.page-contact .contact-hero {
  padding-block: clamp(18px, 3.5vw, 44px) 0;
}

.page-contact .contact-hero__frame {
  position: relative;
  margin-top: clamp(20px, 3vw, 34px);
  padding: clamp(30px, 5vw, 66px) clamp(24px, 5vw, 70px) clamp(28px, 4vw, 56px);
  border: 1.5px solid var(--green);
  background:
    linear-gradient(180deg, rgba(14, 122, 60, 0.08), rgba(14, 122, 60, 0) 48%),
    var(--paper);
  overflow: hidden;
}

.page-contact .contact-hero__frame::before,
.page-contact .contact-hero__frame::after {
  content: "";
  position: absolute;
  width: 24px;
  height: 24px;
  border: 2px solid var(--neon);
  pointer-events: none;
}

.page-contact .contact-hero__frame::before {
  top: -1.5px;
  left: -1.5px;
  border-right: 0;
  border-bottom: 0;
}

.page-contact .contact-hero__frame::after {
  right: -1.5px;
  bottom: -1.5px;
  border-left: 0;
  border-top: 0;
}

.page-contact .contact-hero__tick {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 10px;
  background-image: repeating-linear-gradient(90deg, var(--green) 0 1px, transparent 1px 24px);
  opacity: 0.5;
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: 18px;
  max-width: 64ch;
}

.page-contact .contact-hero h1 {
  margin: 0;
  font-size: clamp(38px, 6vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--graphite);
}

.page-contact .contact-hero__lede {
  margin: 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.78;
  color: #2b332d;
}

.page-contact .contact-hero__keys {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin: 10px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--contact-line);
}

.page-contact .contact-hero__keys li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-contact .contact-key__num {
  font-family: var(--font-num);
  font-size: 27px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--green);
}

.page-contact .contact-hero__rot {
  display: none;
  position: absolute;
  right: clamp(10px, 2vw, 20px);
  top: 50%;
  transform: translateY(-50%);
  margin: 0;
  opacity: 0.75;
  pointer-events: none;
}

/* ---------- 三入口错落栅格 ---------- */

.page-contact .entry-rack {
  display: grid;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 46px);
}

.page-contact .entry-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 28px;
  background: #ffffff;
  border: 1px solid var(--contact-line);
  border-top: 3px solid var(--green);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut-sm) 100%, 0 calc(100% - var(--cut-sm)));
  transition: border-color 180ms ease, transform 180ms ease;
}

.page-contact .entry-card__idx {
  margin: 0;
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--green);
}

.page-contact .entry-card__title {
  margin: 0;
  font-size: 23px;
  line-height: 1.28;
  font-weight: 700;
}

.page-contact .entry-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: #39433c;
}

.page-contact .entry-card__link {
  margin-top: auto;
  align-self: flex-start;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
  border-bottom: 1px solid currentColor;
  transition: color 180ms ease, border-color 180ms ease;
}

.page-contact .entry-card__link:hover,
.page-contact .entry-card__link:focus-visible {
  color: var(--pen);
  border-color: var(--pen);
}

.page-contact .entry-card--main {
  background: var(--night);
  border-color: var(--neon);
  border-top-color: var(--neon);
  box-shadow: 0 0 0 1px var(--neon), 0 30px 54px -34px rgba(11, 27, 58, 0.7);
  color: var(--paper);
}

.page-contact .entry-card--main .entry-card__idx {
  color: var(--neon);
}

.page-contact .entry-card--main .entry-card__text {
  color: var(--contact-on-dark);
}

.page-contact .entry-card--main .entry-card__link {
  color: var(--neon);
}

.page-contact .entry-card--main .entry-card__link:hover,
.page-contact .entry-card--main .entry-card__link:focus-visible {
  color: var(--pen-tail);
  border-color: var(--pen-tail);
}

/* ---------- 纠错五项 ---------- */

.page-contact .correct-split {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-contact .check-list {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px 18px;
  padding: 18px 0;
  border-top: 1px solid var(--contact-line-soft);
}

.page-contact .check-item:last-child {
  border-bottom: 1px solid var(--contact-line-soft);
}

.page-contact .check-item__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 6px;
  background: var(--night);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
}

.page-contact .check-item__body p {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: #3a443d;
}

.page-contact .check-item__title {
  margin: 0;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 700;
}

.page-contact .correct-split__media {
  margin: 0;
}

/* ---------- 覆盖建议 ---------- */

.page-contact .coverage-list {
  margin-top: clamp(26px, 3.5vw, 42px);
  border-top: 1.5px solid var(--contact-line);
}

.page-contact .coverage-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 20px;
  padding: clamp(20px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--contact-line-soft);
}

.page-contact .coverage-item__no {
  margin: 2px 0 0;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--paper);
  background: var(--green);
  align-self: start;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%);
}

.page-contact .coverage-item__title {
  margin: 0;
  font-size: 20px;
  line-height: 1.35;
  font-weight: 700;
}

.page-contact .coverage-item__body p {
  margin: 8px 0 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.75;
  color: #3a443d;
}

/* ---------- 商务合作 ---------- */

.page-contact .contact-business {
  position: relative;
  background: var(--night);
  color: var(--paper);
  padding-block: clamp(50px, 7vw, 96px);
}

.page-contact .contact-business::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(0deg, rgba(244, 247, 241, 0.05) 0 1px, transparent 1px 26px);
  pointer-events: none;
}

.page-contact .contact-business > .container {
  position: relative;
}

.page-contact .contact-business .section-head__title {
  color: var(--paper);
}

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

.page-contact .business-intro .btn {
  margin-top: 24px;
}

.page-contact .business-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--contact-on-dark-soft);
}

.page-contact .business-list li {
  display: grid;
  grid-template-columns: minmax(76px, 104px) minmax(0, 1fr);
  gap: 10px 20px;
  padding: 17px 0;
  border-bottom: 1px solid var(--contact-on-dark-soft);
}

.page-contact .business-list__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--neon);
  padding-top: 2px;
}

.page-contact .business-list__v {
  font-size: 15px;
  line-height: 1.72;
  color: var(--contact-on-dark);
}

/* ---------- 节奏与边界 ---------- */

.page-contact .cadence-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .cadence-card {
  padding: 26px 22px 30px;
  background: #ffffff;
  border: 1px solid var(--contact-line);
  border-left: 4px solid var(--green);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-contact .cadence-card p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: #3a443d;
}

.page-contact .cadence-card__num {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(42px, 6vw, 60px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--green);
}

.page-contact .cadence-card__title {
  margin: 8px 0 0;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 700;
}

.page-contact .cadence-card--neon {
  background: var(--green-deep);
  border-color: var(--green-deep);
  border-left-color: var(--neon);
  color: var(--paper);
}

.page-contact .cadence-card--neon .cadence-card__num {
  color: var(--neon);
}

.page-contact .cadence-card--neon .cadence-card__title {
  color: var(--paper);
}

.page-contact .cadence-card--neon p {
  color: var(--contact-on-dark);
}

.page-contact .cadence-note {
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(24px, 3.5vw, 38px);
  background: rgba(16, 24, 19, 0.028);
  border: 1px solid var(--contact-line);
}

.page-contact .cadence-note__title {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  font-weight: 700;
}

.page-contact .cadence-note__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .cadence-note__list li {
  position: relative;
  padding: 10px 0 10px 22px;
  font-size: 14.5px;
  line-height: 1.75;
  color: #3a443d;
  border-top: 1px solid var(--contact-line-soft);
}

.page-contact .cadence-note__list li:first-child {
  border-top: 0;
}

.page-contact .cadence-note__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 10px;
  height: 2px;
  background: var(--pen);
}

/* ---------- 落款区 ---------- */

.page-contact .reach-banner {
  position: relative;
  height: clamp(140px, 22vw, 236px);
  margin-bottom: clamp(28px, 4vw, 48px);
  overflow: hidden;
  background: var(--night);
}

.page-contact .reach-banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.05);
}

.page-contact .reach-banner__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11, 27, 58, 0.86), rgba(14, 122, 60, 0.34) 58%, rgba(11, 27, 58, 0.74));
}

.page-contact .reach-banner::after {
  content: "";
  position: absolute;
  left: -6%;
  right: -6%;
  bottom: 18%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(228, 255, 74, 0.6), transparent);
  transform: rotate(-2.2deg);
}

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

.page-contact .reach-list {
  margin: 22px 0 0;
}

.page-contact .reach-list__row {
  display: grid;
  grid-template-columns: minmax(84px, 112px) minmax(0, 1fr);
  gap: 8px 20px;
  padding: 15px 0;
  border-bottom: 1px solid var(--contact-line-soft);
}

.page-contact .reach-list__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .reach-list__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--graphite);
  word-break: break-word;
}

.page-contact .reach-note {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .reach-meta__title {
  margin: 12px 0 0;
  font-size: 20px;
  line-height: 1.4;
  font-weight: 700;
}

.page-contact .reach-block--meta p {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: #3a443d;
}

.page-contact .reach-block--meta a {
  color: var(--green);
  border-bottom: 1px solid rgba(14, 122, 60, 0.4);
}

.page-contact .reach-block--meta a:hover,
.page-contact .reach-block--meta a:focus-visible {
  color: var(--green-deep);
  border-color: var(--green-deep);
}

.page-contact .reach-legal {
  margin-top: 22px !important;
  padding-top: 16px;
  border-top: 1px solid var(--contact-line-soft);
  font-family: var(--font-mono);
  font-size: 12px !important;
  letter-spacing: 0.06em;
  color: var(--mist) !important;
}

/* ---------- 响应式 ---------- */

@media (min-width: 560px) {
  .page-contact .check-item,
  .page-contact .coverage-item {
    gap: 16px 24px;
  }
}

@media (min-width: 720px) {
  .page-contact .contact-hero__rot {
    display: block;
    writing-mode: vertical-rl;
    font-size: 11px;
    letter-spacing: 0.32em;
  }

  .page-contact .reach-banner {
    margin-left: calc(var(--gutter) * -1 + 0px);
    margin-right: calc(var(--gutter) * -1 + 0px);
  }
}

@media (min-width: 860px) {
  .page-contact .entry-rack {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.18fr) minmax(0, 1fr);
    align-items: start;
    gap: 22px;
  }

  .page-contact .entry-card--main {
    grid-column: 2;
    grid-row: 1;
    transform: translateY(-24px);
    padding: 30px 26px 34px;
  }

  .page-contact .entry-card--side:nth-child(2) {
    grid-column: 1;
    grid-row: 1;
  }

  .page-contact .entry-card--side:nth-child(3) {
    grid-column: 3;
    grid-row: 1;
  }

  .page-contact .cadence-grid {
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-contact .correct-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
  }

  .page-contact .business-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
  }

  .page-contact .reach-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
  }

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

@media (min-width: 1080px) {
  .page-contact .contact-hero__frame {
    padding-right: clamp(80px, 8vw, 120px);
  }
}

@media (max-width: 719px) {
  .page-contact .entry-card--main {
    transform: none;
  }

  .page-contact .reach-banner {
    height: 160px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .entry-card,
  .page-contact .entry-card__link {
    transition: none;
  }

  .page-contact .entry-card--main {
    transform: none;
  }
}