.page-contact {
  --c-clip-lg: 22px;
  background: var(--abyss);
  color: var(--white);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.75rem, 4.5vw, 3rem) clamp(2.75rem, 7vw, 5.5rem);
  background:
    radial-gradient(110% 80% at 88% 6%, rgba(0, 194, 209, .18), transparent 58%),
    radial-gradient(85% 70% at 6% 100%, rgba(255, 107, 74, .12), transparent 62%),
    var(--abyss);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -14%;
  right: -8%;
  width: 44%;
  height: 132%;
  background: linear-gradient(180deg, rgba(0, 194, 209, .10), rgba(0, 194, 209, 0) 72%);
  transform: skewX(-9deg);
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .breadcrumbs {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.page-contact .breadcrumbs ul {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  list-style: none;
  margin: 0 0 1.4rem;
  padding: 0;
  color: var(--mist);
}

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

.page-contact .breadcrumbs a:hover {
  color: var(--cyan);
}

.page-contact h1 {
  margin: 0 0 1.1rem;
  font-family: var(--font-title);
  font-size: clamp(2.1rem, 7vw, 4.1rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .contact-hero__lede {
  max-width: 46ch;
  margin: 0;
  font-size: clamp(1rem, 2.3vw, 1.1rem);
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 0;
}

.page-contact .contact-hero__quick a {
  display: inline-block;
  padding: .5rem .95rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .05em;
  color: var(--white);
  text-decoration: none;
  background: rgba(0, 194, 209, .12);
  border-left: 3px solid var(--cyan);
  transition: background .22s var(--ease), color .22s var(--ease);
}

.page-contact .contact-hero__quick a:hover,
.page-contact .contact-hero__quick a:focus-visible {
  background: var(--cyan);
  color: var(--abyss);
}

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

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
  filter: drop-shadow(0 20px 48px rgba(0, 194, 209, .22));
}

.page-contact .contact-hero__figure figcaption {
  margin-top: .9rem;
  padding-left: .85rem;
  border-left: 2px solid var(--steel);
  font-family: var(--font-mono);
  font-size: .74rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 章节通用 ---------- */
.page-contact .contact-channels,
.page-contact .contact-corrections,
.page-contact .contact-partners,
.page-contact .contact-rhythm,
.page-contact .contact-types,
.page-contact .contact-address,
.page-contact .contact-outro {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .contact-head {
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

/* ---------- 客服通道 ---------- */
.page-contact .contact-split {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-contact .contact-card {
  padding: clamp(1.4rem, 3vw, 2.25rem);
  background:
    linear-gradient(152deg, rgba(0, 194, 209, .15), rgba(6, 26, 46, .92) 46%),
    var(--abyss);
  border-left: 3px solid var(--cyan);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

.page-contact .contact-card__label {
  margin: 0 0 1.35rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--coral);
}

.page-contact .contact-card__list {
  margin: 0;
  display: grid;
  gap: 1.2rem;
}

.page-contact .contact-card__row {
  display: grid;
  gap: .35rem;
  padding-bottom: 1.15rem;
  border-bottom: 1px dashed var(--line);
}

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

.page-contact .contact-card__row dt {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .contact-card__row dd {
  margin: 0;
}

.page-contact .contact-card__value {
  font-family: var(--font-mono);
  font-size: clamp(.94rem, 2.6vw, 1.12rem);
  font-weight: 600;
  color: var(--white);
  overflow-wrap: anywhere;
  user-select: all;
}

.page-contact .contact-card__value--num {
  font-size: clamp(1.4rem, 6vw, 2rem);
  letter-spacing: .04em;
  color: var(--lime);
}

.page-contact .contact-card__value--addr {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  user-select: auto;
}

.page-contact .contact-card__hint {
  margin-top: .15rem;
  font-size: .86rem;
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .contact-card__note {
  margin: 1.6rem 0 0;
  padding-top: 1.15rem;
  border-top: 1px solid var(--line-cyan);
  font-size: .88rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-guide h3 {
  margin: 0 0 1.1rem;
  font-family: var(--font-title);
  font-size: clamp(1.15rem, 2.8vw, 1.45rem);
  font-weight: 700;
  color: var(--white);
}

.page-contact .contact-guide__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-contact .contact-guide__list > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .9rem;
  padding: 1rem 1.1rem;
  background: rgba(6, 26, 46, .66);
  border-left: 2px solid var(--steel);
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}

.page-contact .contact-guide__list > li:hover {
  border-left-color: var(--cyan);
  transform: translateX(4px);
}

.page-contact .contact-guide__num {
  padding-top: .2rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--cyan);
}

.page-contact .contact-guide__list h4 {
  margin: 0 0 .35rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.page-contact .contact-guide__list p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 内容纠错 ---------- */
.page-contact .corrections-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.75rem);
}

.page-contact .corrections-grid h3 {
  display: block;
  width: fit-content;
  margin: 0 0 1.15rem;
  padding-bottom: .55rem;
  border-bottom: 2px solid var(--coral);
  font-family: var(--font-title);
  font-size: clamp(1.15rem, 2.8vw, 1.55rem);
  font-weight: 700;
  color: var(--white);
}

.page-contact .corrections-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-contact .corrections-list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .corrections-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-contact .corrections-list strong {
  font-weight: 700;
  color: var(--white);
}

.page-contact .corrections-steps {
  counter-reset: step;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-contact .corrections-steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: .8rem;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .corrections-steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--lime);
  padding-top: .28rem;
}

/* ---------- 合作 ---------- */
.page-contact .partners-grid {
  display: grid;
  gap: 1.2rem;
}

.page-contact .partner-card {
  padding: 1.5rem 1.35rem;
  background: rgba(11, 39, 64, .85);
  border-top: 3px solid var(--coral);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  transition: transform .3s var(--ease), background .3s var(--ease);
}

.page-contact .partner-card:hover {
  transform: translateY(-4px) rotate(-1deg);
  background: rgba(11, 39, 64, 1);
}

.page-contact .partner-card h3 {
  margin: .9rem 0 .55rem;
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
}

.page-contact .partner-card p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .partners-note {
  margin: 1.6rem 0 0;
  padding-left: .9rem;
  border-left: 2px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: .8rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 处理节奏 ---------- */
.page-contact .rhythm-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-contact .rhythm-list > li {
  display: grid;
  gap: .5rem;
  padding: 1.35rem 1.25rem;
  background: linear-gradient(160deg, rgba(0, 194, 209, .1), rgba(6, 26, 46, .92));
  border-left: 3px solid var(--cyan);
}

.page-contact .rhythm-list > li:nth-child(1) { border-left-color: var(--coral); }
.page-contact .rhythm-list > li:nth-child(2) { border-left-color: var(--cyan); }
.page-contact .rhythm-list > li:nth-child(3) { border-left-color: var(--lime); }

.page-contact .rhythm-list__key {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--white);
}

.page-contact .rhythm-list__route {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .rhythm-list p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 常见反馈类型 ---------- */
.page-contact .types-grid {
  display: grid;
  gap: 1rem;
}

.page-contact .type-card {
  display: grid;
  gap: .55rem;
  align-content: start;
  padding: 1.25rem 1.2rem;
  background: rgba(6, 26, 46, .55);
  border: 1px solid var(--line);
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}

.page-contact .type-card:hover {
  border-color: var(--line-cyan);
  transform: translateY(-3px);
}

.page-contact .type-card .chip {
  justify-self: start;
}

.page-contact .type-card h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
}

.page-contact .type-card p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 联系地址 ---------- */
.page-contact .contact-address__inner {
  display: grid;
  gap: 1.5rem;
}

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

.page-contact .contact-address__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  opacity: .82;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-contact .contact-address__content {
  padding: clamp(1.35rem, 3vw, 2rem);
  background: rgba(6, 26, 46, .92);
  border-left: 3px solid var(--coral);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .contact-address__content h2 {
  margin: .55rem 0 .9rem;
  font-family: var(--font-title);
  font-size: clamp(1.35rem, 4vw, 2rem);
  font-weight: 800;
  color: var(--white);
}

.page-contact .contact-address__line {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: clamp(.9rem, 2.4vw, 1rem);
  line-height: 1.8;
  color: var(--white);
  overflow-wrap: anywhere;
  user-select: all;
}

/* ---------- 收尾 ---------- */
.page-contact .contact-outro {
  background: linear-gradient(180deg, var(--deep), var(--abyss));
}

.page-contact .contact-outro__inner {
  display: grid;
  gap: 1.5rem;
}

.page-contact .contact-outro h2 {
  margin: 0 0 .7rem;
  font-family: var(--font-title);
  font-size: clamp(1.4rem, 4vw, 2.05rem);
  font-weight: 800;
  color: var(--white);
}

.page-contact .contact-outro p {
  margin: 0;
  max-width: 54ch;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

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

@media (min-width: 760px) {
  .page-contact .partners-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }

  .page-contact .contact-split {
    grid-template-columns: minmax(0, 45fr) minmax(0, 55fr);
    align-items: start;
  }

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

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

  .page-contact .contact-address__figure {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .page-contact .contact-address__content {
    grid-column: 2;
    grid-row: 1;
    z-index: 2;
  }

  .page-contact .contact-outro__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-contact .types-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-hero__quick a,
  .page-contact .contact-guide__list > li,
  .page-contact .partner-card,
  .page-contact .type-card {
    transition: none;
  }

  .page-contact .contact-guide__list > li:hover,
  .page-contact .partner-card:hover,
  .page-contact .type-card:hover {
    transform: none;
  }
}