.page-contact {
  background: var(--night);
  color: var(--white);
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}
.page-contact .breadcrumbs a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-contact .breadcrumbs a:hover,
.page-contact .breadcrumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan-line);
}
.page-contact .breadcrumbs__sep {
  color: var(--ember);
}
.page-contact .breadcrumbs [aria-current="page"] {
  color: var(--white);
}

.page-contact .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ember);
}

/* ---------- 01 服务台通道 ---------- */
.page-contact .contact-desk {
  position: relative;
  overflow: hidden;
  background: var(--ink-green);
  padding-block: clamp(30px, 4.6vw, 56px) clamp(46px, 7vw, 92px);
}
.page-contact .contact-desk__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-contact .contact-desk__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  filter: saturate(0.6) contrast(1.1);
}
.page-contact .contact-desk__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 86% 6%, rgba(255, 90, 31, 0.16), transparent 58%),
    linear-gradient(100deg, rgba(8, 13, 10, 0.96) 8%, rgba(8, 13, 10, 0.74) 54%, rgba(14, 32, 24, 0.5) 100%);
}
.page-contact .contact-desk::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ember) 0 20%, var(--cyan) 20% 27%, transparent 27%);
  opacity: 0.85;
}
.page-contact .contact-desk__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4.4vw, 56px);
}
.page-contact .contact-desk h1 {
  margin: 0 0 18px;
  font-size: clamp(32px, 7.6vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--white);
}
.page-contact .contact-desk__sub {
  margin: 0;
  max-width: 46ch;
  color: var(--warm);
  font-size: 16px;
  line-height: 1.8;
}
.page-contact .contact-desk__status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  padding: 9px 16px 9px 12px;
  background: rgba(8, 13, 10, 0.6);
  border-left: 3px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}
.page-contact .contact-desk__pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 0 rgba(61, 245, 208, 0.6);
  animation: contact-pulse 2s var(--ease) infinite;
}
@keyframes contact-pulse {
  0% { box-shadow: 0 0 0 0 rgba(61, 245, 208, 0.55); }
  70% { box-shadow: 0 0 0 10px rgba(61, 245, 208, 0); }
  100% { box-shadow: 0 0 0 0 rgba(61, 245, 208, 0); }
}

.page-contact .contact-desk__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-contact .channel {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 18px 0 18px 22px;
  border-bottom: 1px solid var(--line-soft);
  transition: background 0.2s var(--ease);
}
.page-contact .channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 7px;
  height: 16px;
  background: var(--ember);
  transform: skewY(-22deg) scaleY(0.5);
  transform-origin: top left;
  transition: transform 0.2s var(--ease);
}
.page-contact .channel:hover {
  background: rgba(255, 90, 31, 0.06);
}
.page-contact .channel:hover::before {
  transform: skewY(-22deg) scaleY(1);
}
.page-contact .channel__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.page-contact .channel__value {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.5vw, 23px);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--white);
  overflow-wrap: anywhere;
  line-height: 1.4;
}
.page-contact .channel__value--addr {
  font-family: var(--font-sans);
  font-size: clamp(15px, 2.1vw, 18px);
  font-weight: 600;
  letter-spacing: 0.01em;
}
.page-contact .channel__hint {
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 02 问题分诊 ---------- */
.page-contact .triage {
  background: var(--night);
  padding-block: clamp(46px, 7vw, 96px);
  border-top: 1px solid var(--line);
}
.page-contact .triage__grid {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
}
.page-contact .triage__aside h2 {
  margin: 0 0 16px;
  font-size: clamp(26px, 4.6vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-contact .triage__aside p {
  margin: 0;
  max-width: 36ch;
  color: var(--warm);
  font-size: 15px;
  line-height: 1.8;
}
.page-contact .triage__list .acc-trigger {
  display: flex;
  align-items: baseline;
  gap: 14px;
  width: 100%;
  padding: 20px 6px;
  background: none;
  border: 0;
  border-top: 1px solid var(--line);
  color: var(--white);
  font-family: var(--font-sans);
  text-align: left;
  cursor: pointer;
  transition: background 0.18s var(--ease);
}
.page-contact .triage__list .acc-trigger:hover {
  background: var(--ember-ghost);
}
.page-contact .triage__list .acc-trigger__index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--ember);
  transition: color 0.18s var(--ease);
}
.page-contact .triage__list .acc-trigger__label {
  flex: 1 1 auto;
  font-size: clamp(16px, 2.4vw, 20px);
  font-weight: 700;
  letter-spacing: 0.01em;
}
.page-contact .triage__list .acc-trigger__more {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel);
  transition: color 0.18s var(--ease);
}
.page-contact .triage__list .acc-trigger[aria-expanded="true"] .acc-trigger__index,
.page-contact .triage__list .acc-trigger[aria-expanded="true"] .acc-trigger__more {
  color: var(--cyan);
}
.page-contact .acc-panel__inner {
  padding: 0 6px 22px 20px;
  color: var(--warm);
  font-size: 15px;
  line-height: 1.8;
  max-width: 68ch;
  border-left: 2px solid var(--cyan-line);
}
.page-contact .acc-panel__inner p {
  margin: 0;
}

/* ---------- 03 运营地址 ---------- */
.page-contact .visit {
  background: var(--ink-green);
  padding-block: clamp(46px, 7vw, 96px);
}
.page-contact .visit__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}
.page-contact .visit__map {
  position: relative;
  min-height: 230px;
  overflow: hidden;
  background-color: var(--pitch);
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px),
    radial-gradient(90% 80% at 72% 26%, rgba(255, 90, 31, 0.22), transparent 62%);
  background-size: 100% 44px, 44px 100%, 100% 100%;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}
.page-contact .visit__grid-line {
  position: absolute;
  background: var(--cyan-line);
}
.page-contact .visit__grid-line--a {
  left: 0;
  right: 0;
  top: 58%;
  height: 1px;
}
.page-contact .visit__grid-line--b {
  top: 0;
  bottom: 0;
  left: 26%;
  width: 1px;
}
.page-contact .visit__pin {
  position: absolute;
  left: 64%;
  top: 32%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 0 6px rgba(255, 90, 31, 0.18), 0 0 24px rgba(255, 90, 31, 0.7);
}
.page-contact .visit__pin::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1px;
  height: 90px;
  background: linear-gradient(var(--ember), transparent);
  transform: translateX(-50%);
  opacity: 0.55;
}
.page-contact .visit__coords {
  position: absolute;
  left: 16px;
  bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}
.page-contact .visit__body h2 {
  margin: 0 0 18px;
  font-size: clamp(25px, 4.4vw, 38px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-contact .visit__addr {
  margin: 0 0 20px;
  padding: 16px 18px;
  background: rgba(8, 13, 10, 0.55);
  border-left: 3px solid var(--ember);
}
.page-contact .visit__addr address {
  font-style: normal;
  font-size: 15px;
  line-height: 1.8;
  color: var(--white);
}
.page-contact .visit__legend {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 1px;
}
.page-contact .visit__legend li {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.6;
}
.page-contact .visit__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--steel);
  align-self: center;
}
.page-contact .visit__v {
  color: var(--warm);
}
.page-contact .visit__body .acc-trigger {
  display: flex;
  align-items: baseline;
  gap: 12px;
  width: 100%;
  padding: 16px 4px;
  background: none;
  border: 0;
  border-top: 1px solid var(--line);
  color: var(--white);
  font-family: var(--font-sans);
  text-align: left;
  cursor: pointer;
  transition: background 0.18s var(--ease);
}
.page-contact .visit__body .acc-trigger:hover {
  background: var(--ember-ghost);
}
.page-contact .visit__body .acc-trigger__index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--ember);
}
.page-contact .visit__body .acc-trigger__label {
  flex: 1 1 auto;
  font-size: 15px;
  font-weight: 700;
}
.page-contact .visit__body .acc-trigger[aria-expanded="true"] .acc-trigger__index {
  color: var(--cyan);
}

/* ---------- 04 合作与投稿 ---------- */
.page-contact .coop {
  background: var(--night);
  padding-block: clamp(46px, 7vw, 96px);
  border-top: 1px solid var(--line);
}
.page-contact .coop__head {
  max-width: 62ch;
  margin-bottom: clamp(26px, 4vw, 46px);
}
.page-contact .coop__head h2 {
  margin: 0 0 16px;
  font-size: clamp(26px, 4.6vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-contact .coop__head p {
  margin: 0;
  color: var(--warm);
  font-size: 15px;
  line-height: 1.8;
}
.page-contact .coop__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
}
.page-contact .coop__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  filter: saturate(0.9);
}
.page-contact .coop__cards {
  display: grid;
  gap: 2px;
}
.page-contact .coop__card {
  position: relative;
  padding: 22px 22px 26px;
  background: linear-gradient(158deg, var(--pitch), var(--ink-green));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  transition: transform 0.22s var(--ease), background 0.22s var(--ease);
}
.page-contact .coop__card:hover {
  transform: translateY(-3px);
  background: linear-gradient(158deg, #1B4733, var(--ink-green));
}
.page-contact .coop__tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.page-contact .coop__card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--white);
}
.page-contact .coop__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--warm);
}
.page-contact .coop__note {
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--ember);
  font-size: 14px;
  line-height: 1.8;
  color: var(--steel);
  max-width: 66ch;
}

/* ---------- 05 联系前先看 ---------- */
.page-contact .prehelp {
  background: var(--ink-green);
  padding-block: clamp(46px, 7vw, 96px);
}
.page-contact .prehelp__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}
.page-contact .prehelp__lead h2 {
  margin: 0 0 16px;
  font-size: clamp(25px, 4.4vw, 38px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-contact .prehelp__lead p {
  margin: 0 0 24px;
  max-width: 38ch;
  color: var(--warm);
  font-size: 15px;
  line-height: 1.8;
}
.page-contact .prehelp__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .prehelp__item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 4px 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.page-contact .prehelp__item:last-child {
  border-bottom: 1px solid var(--line);
}
.page-contact .prehelp__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ember);
  padding-top: 3px;
}
.page-contact .prehelp__item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}
.page-contact .prehelp__item p {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--warm);
}
.page-contact .prehelp__item a {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-line);
  padding-bottom: 2px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-contact .prehelp__item a:hover,
.page-contact .prehelp__item a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--ember);
}

@media (min-width: 720px) {
  .page-contact .coop__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .prehelp__item {
    grid-template-columns: 52px 1fr;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-desk__inner {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
  .page-contact .triage__grid {
    grid-template-columns: 4fr 8fr;
  }
  .page-contact .triage__aside {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
  .page-contact .visit__grid {
    grid-template-columns: 6fr 6fr;
  }
  .page-contact .visit__map {
    min-height: 420px;
  }
  .page-contact .coop__grid {
    grid-template-columns: 4fr 8fr;
    align-items: start;
  }
  .page-contact .coop__media {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
  .page-contact .prehelp__grid {
    grid-template-columns: 5fr 7fr;
  }
}

@media (min-width: 1200px) {
  .page-contact .channel {
    padding-block: 22px 22px 22px 26px;
  }
  .page-contact .acc-panel__inner {
    padding-left: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-desk__pulse {
    animation: none;
  }
  .page-contact .coop__card:hover {
    transform: none;
  }
  .page-contact .channel::before,
  .page-contact .channel:hover::before {
    transition: none;
  }
}