.page-contact {
  --pc-solid: var(--ink-2);
  --pc-hair: 2px;
}

/* ---------- 首屏 ---------- */
.page-contact .crumbs {
  padding: clamp(16px, 3vw, 26px) 0 0;
}

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(36px, 6vw, 84px) 0 clamp(40px, 6vw, 80px);
  border-bottom: var(--pc-hair) solid var(--line);
  background:
    radial-gradient(118% 100% at 94% -12%, rgba(138, 92, 255, .30), transparent 58%),
    radial-gradient(78% 84% at -4% 112%, rgba(43, 227, 214, .13), transparent 62%),
    var(--ink);
}

.page-contact .hero-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(42, 46, 68, .58) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 46, 68, .58) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: radial-gradient(88% 72% at 68% 18%, #000 18%, transparent 76%);
  mask-image: radial-gradient(88% 72% at 68% 18%, #000 18%, transparent 76%);
}

.page-contact .contact-hero__inner {
  position: relative;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 7.4vw, 100px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-contact .contact-hero__title em {
  font-style: normal;
  background: linear-gradient(96deg, var(--violet) 8%, var(--cyan) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-contact .contact-hero__lede {
  margin-top: clamp(18px, 2.4vw, 28px);
  max-width: 46ch;
  font-size: clamp(15.5px, 1.15vw, 18px);
  line-height: 1.8;
  color: var(--body-text);
}

.page-contact .hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .hero-chips li {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 14px;
  border: var(--pc-hair) solid var(--line);
  background: rgba(18, 20, 31, .72);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--body-text);
}

.page-contact .dot {
  display: inline-block;
  flex: none;
  width: 8px;
  height: 8px;
}
.page-contact .dot--cyan { background: var(--cyan); }
.page-contact .dot--violet { background: var(--violet); }
.page-contact .dot--orange { background: var(--orange); }

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(26px, 3.4vw, 40px);
}

/* ---------- 章节通用微调 ---------- */
.page-contact .section-title {
  margin: 10px 0 0;
}
.page-contact .section-lede {
  margin: 14px 0 0;
  max-width: 62ch;
}

/* ---------- 01 合作方向 ---------- */
.page-contact .ways-layout {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(26px, 3.4vw, 44px);
}

.page-contact .ways-visual {
  margin: 0;
}

.page-contact .ways-visual img {
  border: var(--pc-hair) solid var(--line);
}

@media (min-width: 960px) {
  .page-contact .ways-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
  .page-contact .ways-visual {
    position: sticky;
    top: 24px;
  }
}

.page-contact .ways-list {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.page-contact .ways-item {
  border: var(--pc-hair) solid var(--line);
  background: var(--ink-2);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-contact .ways-item[open] {
  border-color: var(--violet);
  box-shadow: var(--shadow-hard);
}

.page-contact .ways-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  padding: clamp(14px, 2vw, 20px) clamp(14px, 2vw, 22px);
  cursor: pointer;
  list-style: none;
}
.page-contact .ways-item__head::-webkit-details-marker { display: none; }

.page-contact .ways-item__icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 34px;
  height: 34px;
  border: var(--pc-hair) solid var(--cyan);
  color: var(--cyan);
  font-size: 15px;
  line-height: 1;
}

.page-contact .ways-item__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(16.5px, 1.5vw, 21px);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .ways-item__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--muted);
}

.page-contact .ways-item__plus {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin-left: auto;
}
.page-contact .ways-item__plus::before,
.page-contact .ways-item__plus::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}
.page-contact .ways-item__plus::before {
  left: 0; right: 0; top: 50%;
  height: 2px;
  transform: translateY(-50%);
}
.page-contact .ways-item__plus::after {
  top: 0; bottom: 0; left: 50%;
  width: 2px;
  transform: translateX(-50%);
}
.page-contact .ways-item[open] .ways-item__plus::after {
  opacity: 0;
  transform: translateX(-50%) scaleY(.2);
}

.page-contact .ways-item__body {
  padding: clamp(14px, 2vw, 20px) clamp(14px, 2vw, 22px) clamp(18px, 2vw, 24px);
  border-top: var(--pc-hair) solid var(--line);
  font-size: 15px;
  line-height: 1.85;
  color: var(--body-text);
}
.page-contact .ways-item__body p {
  margin: 0 0 10px;
}
.page-contact .ways-item__body p:last-child {
  margin-bottom: 0;
}
.page-contact .ways-item__out strong {
  color: var(--cyan);
}

/* ---------- 02 流程 ---------- */
.page-contact .flow {
  display: grid;
  gap: 14px;
  margin: clamp(28px, 3.6vw, 48px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow__node {
  position: relative;
  min-width: 0;
  padding: clamp(18px, 2.2vw, 26px);
  border: var(--pc-hair) solid var(--line);
  background: var(--ink);
  transition: border-color .22s var(--ease);
}
.page-contact .flow__node:hover {
  border-color: var(--cyan);
}

.page-contact .flow__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--violet);
}

.page-contact .flow__name {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 1.6vw, 22px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .flow__desc {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--body-text);
}

.page-contact .flow__need {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .flow__need span {
  font-family: var(--font-mono);
  color: var(--cyan);
}

@media (min-width: 1000px) {
  .page-contact .flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 22px;
  }
  .page-contact .flow__node::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -17px;
    width: 12px;
    height: 12px;
    border-top: var(--pc-hair) solid var(--cyan);
    border-right: var(--pc-hair) solid var(--cyan);
    transform: translateY(-50%) rotate(45deg);
  }
  .page-contact .flow__node:last-child::after {
    display: none;
  }
}

.page-contact .flow-visual {
  margin: clamp(26px, 3.4vw, 42px) 0 0;
}

/* ---------- 03 对接方式 ---------- */
.page-contact .contact-board {
  display: grid;
  gap: var(--pc-hair);
  margin-top: clamp(26px, 3.4vw, 42px);
  border: var(--pc-hair) solid var(--line);
  background: var(--line);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-contact .contact-cell {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  padding: clamp(22px, 3vw, 34px);
  background: var(--pc-solid);
}

.page-contact .contact-cell--mail {
  border-left: 6px solid var(--violet);
  background:
    linear-gradient(158deg, rgba(138, 92, 255, .18), transparent 72%),
    var(--ink-2);
}
.page-contact .contact-cell--phone {
  border-left: 6px solid var(--cyan);
}
.page-contact .contact-cell--addr {
  border-left: 6px solid var(--orange);
}

.page-contact .contact-cell__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-contact .contact-cell__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(17px, 1.7vw, 24px);
  line-height: 1.4;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-cell__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--body-text);
}

@media (min-width: 900px) {
  .page-contact .contact-board {
    grid-template-columns: 1.35fr 1fr 1.25fr;
  }
}

/* ---------- 04 资料清单 ---------- */
.page-contact .kit-intro {
  min-width: 0;
}

.page-contact .kit-list {
  display: grid;
  gap: 12px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  min-width: 0;
}

.page-contact .kit-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: clamp(16px, 2vw, 22px);
  border: var(--pc-hair) solid var(--line);
  background: var(--ink);
  transition: border-color .22s var(--ease);
}
.page-contact .kit-list li:hover {
  border-color: var(--cyan);
}

.page-contact .kit__idx {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--violet);
}

.page-contact .kit-list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .kit-list p {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--body-text);
}

/* ---------- 05 常见问题 ---------- */
.page-contact .faq {
  display: grid;
  gap: 10px;
  margin-top: clamp(24px, 3vw, 38px);
}

.page-contact .faq__item {
  border: var(--pc-hair) solid var(--line);
  background: var(--ink-2);
  transition: border-color .22s var(--ease);
}
.page-contact .faq__item[open] {
  border-color: var(--cyan);
}

.page-contact .faq__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: clamp(14px, 2vw, 20px) clamp(16px, 2vw, 24px);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(15.5px, 1.3vw, 18px);
  line-height: 1.6;
  color: var(--paper);
}
.page-contact .faq__q::-webkit-details-marker { display: none; }

.page-contact .faq__q::before {
  content: "?";
  display: grid;
  place-items: center;
  flex: none;
  width: 24px;
  height: 24px;
  margin-top: 2px;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}

.page-contact .faq__a {
  padding: 0 clamp(16px, 2vw, 24px) clamp(18px, 2.4vw, 26px) calc(clamp(16px, 2vw, 24px) + 36px);
  font-size: 15px;
  line-height: 1.85;
  color: var(--body-text);
}

.page-contact .faq__a p {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

/* ---------- 06 合作伙伴 ---------- */
.page-contact .partner-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 3vw, 40px);
}

.page-contact .partner-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  padding: clamp(20px, 2.4vw, 26px);
  border: var(--pc-hair) solid var(--line);
  background: var(--ink);
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}
.page-contact .partner-card:hover {
  transform: translateY(-4px);
  border-color: var(--violet);
}

.page-contact .partner-card__role {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-contact .partner-card__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .partner-card__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--body-text);
}

.page-contact .partner-card__link {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--violet);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.page-contact .partner-card__link:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

@media (min-width: 700px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1080px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 收束条 ---------- */
.page-contact .cta-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: clamp(18px, 3vw, 36px);
  padding: clamp(24px, 3.4vw, 42px);
  border: var(--pc-hair) solid var(--line);
  background:
    linear-gradient(110deg, rgba(43, 227, 214, .10), transparent 48%),
    var(--ink-2);
  box-shadow: var(--shadow-hard);
}

.page-contact .cta-band__text {
  min-width: 0;
  max-width: 52ch;
}

.page-contact .cta-band__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.8vw, 34px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--paper);
}

.page-contact .cta-band__text p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--body-text);
}

/* ---------- 响应式兜底 ---------- */
@media (max-width: 600px) {
  .page-contact .hero-chips li {
    font-size: 12px;
    padding: 7px 11px;
  }
  .page-contact .contact-cell--mail,
  .page-contact .contact-cell--phone,
  .page-contact .contact-cell--addr {
    border-left-width: 4px;
  }
  .page-contact .faq__a {
    padding-left: clamp(16px, 2vw, 24px);
  }
}

.page-contact img {
  max-width: 100%;
  height: auto;
}