.page-contact {
  --cp-card: rgba(18, 58, 87, 0.42);
  --cp-card-strong: rgba(18, 58, 87, 0.68);
  --cp-hair: rgba(30, 58, 79, 0.92);
  --cp-gap: clamp(18px, 2.6vw, 30px);
  position: relative;
  overflow-x: clip;
  background: var(--abyss);
  color: var(--paper);
  padding-bottom: clamp(56px, 9vw, 116px);
}

.page-contact .section {
  padding-block: clamp(48px, 7vw, 92px);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 10px;
  color: var(--line);
}

.page-contact .breadcrumb__item a {
  color: var(--electric-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(124, 242, 230, 0.32);
  padding-bottom: 1px;
}

.page-contact .breadcrumb__item a:hover {
  color: var(--electric);
  border-bottom-color: var(--electric);
}

.page-contact .breadcrumb__item[aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(24px, 5vw, 56px);
  padding-bottom: clamp(36px, 6vw, 72px);
  background:
    radial-gradient(120% 88% at 86% -10%, rgba(25, 227, 208, 0.16), rgba(6, 18, 31, 0) 62%),
    linear-gradient(178deg, var(--hull) 0%, var(--abyss) 72%);
  border-bottom: 1px solid var(--cp-hair);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 58, 79, 0.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 58, 79, 0.4) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: radial-gradient(92% 72% at 72% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(92% 72% at 72% 0%, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-contact .contact-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  align-items: start;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  font-size: clamp(34px, 7.4vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .contact-hero__title em {
  font-style: normal;
  color: var(--electric);
}

.page-contact .contact-hero__lead .lead {
  margin: 20px 0 0;
  max-width: 36ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .contact-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__tags li {
  padding: 7px 15px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(25, 227, 208, 0.34);
  background: rgba(25, 227, 208, 0.08);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--electric-soft);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 四步流程 ---------- */
.page-contact .contact-hero__flow {
  position: relative;
  padding: clamp(18px, 2.6vw, 28px);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, rgba(25, 227, 208, 0.1), rgba(11, 29, 46, 0.86) 58%);
  border: 1px solid var(--cp-hair);
}

.page-contact .contact-hero__flow-label {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--coral);
}

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

.page-contact .flow-step {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 16px;
  border-radius: var(--r-md);
  background: rgba(6, 18, 31, 0.56);
  border: 1px solid rgba(30, 58, 79, 0.86);
}

.page-contact .flow-step::after {
  content: "";
  position: absolute;
  left: 39px;
  top: calc(100% + 1px);
  width: 2px;
  height: 18px;
  background: linear-gradient(180deg, var(--electric), rgba(25, 227, 208, 0));
}

.page-contact .flow-step:last-child::after {
  display: none;
}

.page-contact .flow-step__num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(25, 227, 208, 0.4);
  background: rgba(11, 29, 46, 0.9);
  color: var(--electric);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.page-contact .flow-step__title {
  margin: 2px 0 6px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .flow-step__time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--coral);
}

.page-contact .flow-step__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 协作现场图 ---------- */
.page-contact .contact-scene {
  padding-top: clamp(30px, 5vw, 56px);
}

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

.page-contact .contact-scene__frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--cp-hair);
}

.page-contact .contact-scene__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.06);
}

.page-contact .contact-scene__figure figcaption {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 合作方向 ---------- */
.page-contact .contact-kinds__title,
.page-contact .contact-kit__head h2,
.page-contact .contact-band__title,
.page-contact .contact-hours__head h2,
.page-contact .contact-faq__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  font-size: clamp(24px, 3.8vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .contact-kinds__intro {
  margin: 14px 0 0;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .kind-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--cp-gap);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-contact .kind-card {
  position: relative;
  padding: clamp(22px, 3vw, 30px);
  border-radius: var(--r-lg);
  background: linear-gradient(162deg, var(--cp-card-strong), rgba(6, 18, 31, 0.9) 72%);
  border: 1px solid var(--cp-hair);
}

.page-contact .kind-card__icon {
  display: inline-grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin-bottom: 18px;
  border-radius: 18px;
  background: rgba(6, 18, 31, 0.72);
  border: 1px solid rgba(25, 227, 208, 0.28);
  color: var(--electric);
}

.page-contact .kind-card:nth-child(2) .kind-card__icon {
  color: var(--electric-soft);
  border-color: rgba(124, 242, 230, 0.28);
}

.page-contact .kind-card:nth-child(3) .kind-card__icon {
  color: var(--coral);
  border-color: rgba(255, 107, 61, 0.34);
}

.page-contact .kind-card h3 {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .kind-card > p {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .kind-card__list {
  margin: 18px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid rgba(30, 58, 79, 0.9);
  display: grid;
  gap: 10px;
}

.page-contact .kind-card__list li {
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .kind-card__list strong {
  display: inline-block;
  min-width: 3em;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--electric);
}

/* ---------- 准备材料 ---------- */
.page-contact .contact-kit {
  background: linear-gradient(180deg, rgba(11, 29, 46, 0.7), rgba(6, 18, 31, 0));
  border-block: 1px solid rgba(30, 58, 79, 0.6);
}

.page-contact .contact-kit__head p {
  margin: 14px 0 0;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .kit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--cp-gap);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-contact .kit-item {
  padding: 22px 22px 24px;
  border-radius: var(--r-md);
  background: rgba(18, 58, 87, 0.3);
  border-left: 3px solid rgba(25, 227, 208, 0.6);
}

.page-contact .kit-item__code {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--coral);
}

.page-contact .kit-item h3 {
  margin: 8px 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .kit-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .contact-kit__note {
  margin: clamp(24px, 4vw, 36px) 0 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .contact-kit__note a,
.page-contact .contact-faq__more a {
  color: var(--electric-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(124, 242, 230, 0.4);
}

.page-contact .contact-kit__note a:hover,
.page-contact .contact-faq__more a:hover {
  color: var(--electric);
  border-bottom-color: var(--electric);
}

/* ---------- 联系信息 ---------- */
.page-contact .contact-band {
  position: relative;
  padding-block: clamp(52px, 8vw, 100px);
  overflow: hidden;
  border-block: 1px solid var(--cp-hair);
}

.page-contact .contact-band__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-band__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
  opacity: 0.34;
  filter: saturate(0.7) contrast(1.1);
}

.page-contact .contact-band::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(100deg, rgba(6, 18, 31, 0.96) 22%, rgba(6, 18, 31, 0.62) 68%, rgba(11, 29, 46, 0.86)),
    radial-gradient(80% 90% at 90% 100%, rgba(25, 227, 208, 0.16), transparent 60%);
  pointer-events: none;
}

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

.page-contact .contact-band__intro {
  margin: 14px 0 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .channel-list {
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .channel-list__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding-block: clamp(18px, 2.6vw, 26px);
  border-top: 1px solid rgba(30, 58, 79, 0.8);
}

.page-contact .channel-list__row:last-child {
  border-bottom: 1px solid rgba(30, 58, 79, 0.8);
}

.page-contact .channel-list__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--coral);
}

.page-contact .channel-list__row dd {
  margin: 0;
  display: grid;
  gap: 8px;
}

.page-contact .channel-list__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(19px, 3.8vw, 32px);
  line-height: 1.28;
  letter-spacing: -0.005em;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-list__value--text {
  font-family: var(--font-body);
  font-size: clamp(16px, 2.4vw, 22px);
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.01em;
}

.page-contact .channel-list__hint {
  display: block;
  max-width: 46ch;
  font-size: 13px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 响应时间 ---------- */
.page-contact .contact-hours__head p {
  margin: 14px 0 0;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .hours-cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--cp-gap);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-contact .hours-col {
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--r-lg);
  background: rgba(11, 29, 46, 0.72);
  border: 1px solid var(--cp-hair);
}

.page-contact .hours-col--coral {
  background: linear-gradient(170deg, rgba(255, 107, 61, 0.13), rgba(11, 29, 46, 0.8) 70%);
  border-color: rgba(255, 107, 61, 0.28);
}

.page-contact .hours-col h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .hours-col p {
  margin: 0;
  font-size: 14px;
  line-height: 1.95;
  color: var(--mist);
}

.page-contact .hours-col .btn {
  margin-top: 18px;
}

/* ---------- 常见问题 ---------- */
.page-contact .contact-faq {
  border-top: 1px solid rgba(30, 58, 79, 0.6);
}

.page-contact .faq-list {
  margin-top: clamp(24px, 4vw, 38px);
  column-count: 1;
  column-gap: var(--cp-gap);
}

.page-contact .faq-item {
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  margin: 0 0 clamp(14px, 2vw, 20px);
  padding: 18px 20px;
  border-radius: var(--r-md);
  background: rgba(18, 58, 87, 0.3);
  border: 1px solid rgba(30, 58, 79, 0.78);
}

.page-contact .faq-item h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .faq-item h3::before {
  content: "Q";
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--electric);
  letter-spacing: 0.08em;
}

.page-contact .faq-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .contact-faq__more {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.9;
  color: var(--mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .kind-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .kind-card:nth-child(3) {
    grid-column: 1 / -1;
  }

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

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

  .page-contact .channel-list__row {
    grid-template-columns: minmax(120px, 0.32fr) minmax(0, 1fr);
    gap: clamp(16px, 3vw, 32px);
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__layout {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: clamp(40px, 5vw, 72px);
  }

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

  .page-contact .kind-card:nth-child(3) {
    grid-column: auto;
  }

  .page-contact .faq-list {
    column-count: 2;
    column-gap: clamp(24px, 3vw, 40px);
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-hero__lead .lead {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-scene__img,
  .page-contact .contact-band__media img {
    filter: none;
  }
}