.page-contact {
  --pc-pad: clamp(56px, 8vw, 108px);
  overflow-x: hidden;
  overflow-x: clip;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--body-font);
}

.page-contact a {
  color: var(--ice);
}

.page-contact .contact-inline-link {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(86, 199, 242, .45);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .contact-inline-link:hover,
.page-contact .contact-inline-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(20px, 3vw, 34px) 0 var(--pc-pad);
  background:
    radial-gradient(120% 92% at 82% 4%, rgba(86, 199, 242, .16), transparent 58%),
    radial-gradient(90% 70% at 6% 96%, rgba(255, 107, 26, .12), transparent 62%),
    var(--ink);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: var(--ink-2);
  opacity: .5;
  clip-path: polygon(64% 0, 100% 0, 100% 100%, 40% 100%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .3;
  background-image: repeating-linear-gradient(to right, var(--line) 0 1px, transparent 1px 128px);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .95), transparent 88%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .95), transparent 88%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__crumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-contact .contact-hero__main {
  display: grid;
  gap: clamp(30px, 5vw, 60px);
}

.page-contact .contact-hero__title {
  margin: 12px 0 20px;
  font-size: clamp(28px, 6vw, 64px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .contact-hero__lead {
  max-width: 36em;
  margin: 0 0 28px;
  font-size: clamp(15.5px, 2vw, 18px);
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(28px, 4vw, 40px);
}

.page-contact .contact-hero__rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-top-color: var(--ice);
}

.page-contact .contact-hero__rail a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 18px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
  transition: background .18s var(--ease), color .18s var(--ease);
}

.page-contact .contact-hero__rail a:hover,
.page-contact .contact-hero__rail a:focus-visible {
  background: var(--ink-2);
  color: var(--cyan);
}

.page-contact .contact-hero__rail-num {
  font-family: var(--mono-font);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--ink-2);
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 42%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

@media (min-width: 680px) {
  .page-contact .contact-hero__rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__main {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
  }

  .page-contact .contact-hero__media {
    transform: translateY(-14px);
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-hero__rail {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 区块标题通用 ---------- */

.page-contact .contact-section__head {
  max-width: 60ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-contact .contact-section__head h2 {
  margin: 10px 0 14px;
  font-size: clamp(25px, 4vw, 38px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-contact .contact-section__head p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-contact .contact-section__head p {
    font-size: 16.5px;
  }
}

/* ---------- 合作方向 ---------- */

.page-contact .contact-areas {
  padding: var(--pc-pad) 0;
  border-top: 1px solid var(--line);
  background: var(--ink-2);
}

.page-contact .contact-areas__top {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-bottom: clamp(30px, 5vw, 52px);
}

.page-contact .contact-areas__figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--ink);
}

.page-contact .contact-areas__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .contact-areas__figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  background: var(--ink);
  font-family: var(--mono-font);
  font-size: 11.5px;
  letter-spacing: .05em;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .contact-areas__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(20px, 3vw, 28px);
  padding: 0;
  list-style: none;
}

.page-contact .contact-areas__filter li {
  margin: 0;
}

.page-contact .contact-areas__filter .bb-filter__btn {
  appearance: none;
  padding: 9px 17px;
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--mist);
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  cursor: pointer;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-contact .contact-areas__filter .bb-filter__btn:hover {
  color: var(--paper);
  border-color: var(--ice);
}

.page-contact .contact-areas__filter .bb-filter__btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .contact-areas__filter .bb-filter__btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-contact .contact-areas__panels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .contact-area {
  position: relative;
  padding: clamp(22px, 3vw, 32px);
  background: var(--ink);
  transition: background .2s var(--ease);
}

.page-contact .contact-area::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ice), transparent 78%);
  opacity: .75;
}

.page-contact .contact-area:hover {
  background: #0A1F39;
}

.page-contact .contact-area__num {
  display: block;
  font-family: var(--mono-font);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-contact .contact-area h3 {
  margin: 6px 0 10px;
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .contact-area__who {
  margin: 0 0 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ice);
}

.page-contact .contact-area__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .contact-area__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .contact-area__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 8px;
  height: 2px;
  background: var(--steel);
}

.page-contact .contact-area__list strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .contact-area__list span {
  display: block;
}

@media (min-width: 900px) {
  .page-contact .contact-areas__top {
    grid-template-columns: minmax(0, 1fr) minmax(0, .78fr);
    align-items: end;
  }

  .page-contact .contact-areas__top .contact-section__head {
    margin-bottom: 0;
  }
}

/* ---------- 合作流程 ---------- */

.page-contact .contact-flow {
  padding: var(--pc-pad) 0;
  border-top: 1px solid var(--line);
  background: var(--ink);
}

.page-contact .contact-flow__track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 235px), 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-top-color: var(--ice);
}

.page-contact .contact-flow__step {
  position: relative;
  padding: clamp(22px, 3vw, 30px);
  background: var(--ink);
  border-top: 2px solid transparent;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .contact-flow__step:hover,
.page-contact .contact-flow__step:focus-within {
  background: var(--ink-2);
  border-top-color: var(--orange);
}

.page-contact .contact-flow__step .bb-step__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--mono-font);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-contact .contact-flow__step h3 {
  margin: 0 0 10px;
  font-size: clamp(18px, 2.2vw, 21px);
  font-weight: 800;
  color: var(--paper);
}

.page-contact .contact-flow__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .contact-flow__deliver {
  margin: 16px 0 0;
  padding-top: 13px;
  border-top: 1px dashed var(--line-strong);
  font-family: var(--mono-font);
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--amber);
  transition: color .2s var(--ease);
}

.page-contact .contact-flow__step:hover .contact-flow__deliver,
.page-contact .contact-flow__step:focus-within .contact-flow__deliver {
  color: var(--paper);
}

/* ---------- 服务响应 ---------- */

.page-contact .contact-response {
  padding: var(--pc-pad) 0;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
}

.page-contact .contact-response__grid {
  display: grid;
  gap: clamp(30px, 4vw, 50px);
}

.page-contact .contact-response__main .contact-section__head {
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-contact .contact-response__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .contact-response__list li {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  background: var(--ink);
  font-size: 14.5px;
  line-height: 1.72;
}

.page-contact .contact-response__k {
  font-family: var(--mono-font);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--amber);
}

.page-contact .contact-response__v {
  color: var(--mist);
}

.page-contact .contact-response__aside {
  padding: 4px 0 4px 20px;
  border-left: 2px solid var(--ice);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .contact-response__aside p {
  margin: 10px 0 0;
}

.page-contact .contact-response__aside .bb-kicker {
  margin: 0;
}

.page-contact .contact-response__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}

.page-contact .contact-response__links a {
  font-family: var(--mono-font);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(86, 199, 242, .4);
  padding-bottom: 2px;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .contact-response__links a:hover,
.page-contact .contact-response__links a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

@media (min-width: 560px) {
  .page-contact .contact-response__list li {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-response__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    align-items: start;
  }
}

@media (max-width: 959px) {
  .page-contact .contact-response__aside {
    padding: 22px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
}

/* ---------- 联系方式 ---------- */

.page-contact .contact-reach {
  padding: var(--pc-pad) 0;
  border-top: 1px solid var(--line);
  background: var(--ink-2);
}

.page-contact .contact-reach__panel {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  padding: clamp(26px, 4vw, 52px);
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--orange);
}

.page-contact .contact-reach__panel .bb-kicker {
  color: var(--steel);
}

.page-contact .contact-reach__head h2 {
  margin: 10px 0 14px;
  font-size: clamp(25px, 3.6vw, 34px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.015em;
  color: var(--ink);
}

.page-contact .contact-reach__head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .contact-reach__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(23, 63, 95, .18);
  border: 1px solid rgba(23, 63, 95, .22);
}

.page-contact .contact-reach__item {
  display: grid;
  gap: 5px;
  padding: 17px 20px;
  background: var(--paper);
}

.page-contact .contact-reach__key {
  font-family: var(--mono-font);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--steel);
}

.page-contact .contact-reach__val {
  font-family: var(--mono-font);
  font-size: clamp(15px, 2.1vw, 19px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--ink);
  text-decoration: none;
  word-break: break-word;
}

.page-contact a.contact-reach__val {
  align-self: start;
  justify-self: start;
  border-bottom: 2px solid var(--ice);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact a.contact-reach__val:hover,
.page-contact a.contact-reach__val:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-contact .contact-reach__val--addr {
  font-family: var(--body-font);
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.6;
}

.page-contact .contact-reach__note {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--steel);
}

@media (min-width: 960px) {
  .page-contact .contact-reach__panel {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
  }
}

/* ---------- 常见问题 ---------- */

.page-contact .contact-faq {
  padding: var(--pc-pad) 0;
  border-top: 1px solid var(--line);
  background: var(--ink);
}

.page-contact .contact-faq__list {
  border-top: 1px solid var(--line-strong);
}

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

.page-contact .contact-faq__item summary {
  position: relative;
  display: block;
  padding: 21px 46px 21px 0;
  font-size: clamp(15.5px, 2vw, 18px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
  transition: color .18s var(--ease);
}

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

.page-contact .contact-faq__item summary::after {
  content: "";
  position: absolute;
  right: 10px;
  top: 50%;
  width: 11px;
  height: 11px;
  margin-top: -7px;
  border-right: 2px solid var(--ice);
  border-bottom: 2px solid var(--ice);
  transform: rotate(45deg);
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .contact-faq__item summary:hover {
  color: var(--cyan);
}

.page-contact .contact-faq__item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-contact .contact-faq__item[open] summary::after {
  transform: rotate(-135deg);
}

.page-contact .contact-faq__body {
  max-width: 74ch;
  padding: 0 0 24px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-faq__body p {
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-hero__media,
  .page-contact .contact-hero__rail a,
  .page-contact .contact-area,
  .page-contact .contact-flow__step,
  .page-contact .contact-flow__deliver,
  .page-contact .contact-faq__item summary,
  .page-contact .contact-faq__item summary::after,
  .page-contact .contact-reach__val {
    transition: none;
  }

  .page-contact .contact-hero__media {
    transform: none;
  }
}