.page-contact {
  --ct-side: 356px;
  --ct-line: rgba(123, 77, 255, .32);
  --ct-line-soft: rgba(123, 77, 255, .18);
  --ct-panel: rgba(19, 26, 69, .72);
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  padding: 0 0 88px;
  color: var(--star);
  background: var(--deep);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: radial-gradient(rgba(167, 139, 255, .18) 1px, transparent 1px);
  background-size: 34px 34px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 62%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 62%);
}

.page-contact .contact-aurora {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.page-contact .contact-aurora i {
  position: absolute;
  display: block;
  width: 46vw;
  height: 46vw;
  border-radius: 50%;
  filter: blur(96px);
  opacity: .3;
}

.page-contact .contact-aurora i:nth-child(1) {
  top: -14vw;
  left: -12vw;
  background: var(--neon);
  animation: ct-drift-a 34s ease-in-out infinite;
}

.page-contact .contact-aurora i:nth-child(2) {
  top: 30vh;
  right: -16vw;
  background: var(--cyan);
  opacity: .16;
  animation: ct-drift-b 42s ease-in-out infinite;
}

.page-contact .contact-aurora i:nth-child(3) {
  bottom: 4vh;
  left: 22vw;
  background: var(--coral);
  opacity: .11;
  animation: ct-drift-a 48s ease-in-out infinite reverse;
}

@keyframes ct-drift-a {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(4vw, 3vh, 0) scale(1.1); }
}

@keyframes ct-drift-b {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1.05); }
  50% { transform: translate3d(-5vw, -4vh, 0) scale(.95); }
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 40px 0 12px;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  max-width: 16em;
  font-size: clamp(32px, 6.2vw, 62px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.01em;
  text-shadow: 0 0 24px rgba(123, 77, 255, .55), 0 0 40px rgba(41, 227, 214, .22);
}

.page-contact .contact-hero__lead {
  margin: 22px 0 0;
  max-width: 640px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__facts li {
  padding: 9px 16px;
  border: 1px solid var(--ct-line);
  border-radius: var(--r-pill);
  background: rgba(19, 26, 69, .62);
  font-size: 14px;
  color: var(--star);
}

.page-contact .contact-hero__facts b {
  margin-right: 7px;
  font-weight: 900;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

/* ---------- 章节锚点导航 ---------- */
.page-contact .section-nav {
  margin: 30px 0 6px;
}

.page-contact .section-nav__track {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.page-contact .section-nav__track::-webkit-scrollbar {
  display: none;
}

.page-contact .section-nav__track a {
  flex: none;
  padding: 9px 18px;
  border: 1px solid var(--ct-line);
  border-radius: var(--r-pill);
  background: rgba(19, 26, 69, .6);
  color: var(--neon-soft);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color .16s var(--ease), border-color .16s var(--ease), background .16s var(--ease);
}

.page-contact .section-nav__track a:hover,
.page-contact .section-nav__track a[aria-current="true"] {
  color: var(--deep);
  border-color: transparent;
  background: var(--grad);
  font-weight: 700;
}

/* ---------- 双栏骨架 ---------- */
.page-contact .contact-layout {
  display: grid;
  gap: 36px;
  align-items: start;
  margin-top: 34px;
}

.page-contact .contact-main {
  min-width: 0;
}

.page-contact .contact-block {
  margin: 0 0 68px;
  scroll-margin-top: 118px;
}

.page-contact .contact-block:last-child {
  margin-bottom: 0;
}

.page-contact .contact-block__head {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 26px;
}

.page-contact .contact-block__num {
  flex: none;
  font-size: clamp(38px, 5vw, 58px);
  font-weight: 900;
  line-height: .92;
  color: transparent;
  -webkit-text-stroke: 1.4px rgba(167, 139, 255, .72);
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-block__text {
  min-width: 0;
}

.page-contact .contact-block h2 {
  margin: 0;
  font-size: clamp(23px, 3.1vw, 34px);
  font-weight: 900;
  line-height: 1.28;
}

.page-contact .contact-block__text .meta {
  margin: 8px 0 0;
  font-size: 13.5px;
  color: var(--mist);
  letter-spacing: .04em;
}

/* ---------- 三种合作方式 ---------- */
.page-contact .ways {
  display: grid;
  gap: 24px;
}

.page-contact .way {
  position: relative;
  padding: 28px 24px;
  border: 1px solid var(--ct-line-soft);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(19, 26, 69, .94), rgba(11, 16, 48, .9));
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-contact .way::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--cyan), var(--neon));
  opacity: .8;
}

.page-contact .way:nth-child(3)::after {
  background: linear-gradient(180deg, var(--coral), var(--neon));
}

.page-contact .way h3 {
  margin: 16px 0 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.42;
}

.page-contact .way__media {
  margin: 18px 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-contact .way__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .way__grid {
  display: grid;
  gap: 16px 22px;
  margin: 20px 0 0;
}

.page-contact .way__grid dt {
  margin-bottom: 5px;
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--neon-soft);
}

.page-contact .way__grid dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 流程 ---------- */
.page-contact .contact-flow__media {
  margin: 0 0 30px;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .contact-flow__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .step {
  position: relative;
  padding: 0 0 32px 64px;
}

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

.page-contact .step::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 48px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(123, 77, 255, .65), rgba(41, 227, 214, .3));
}

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

.page-contact .step__index {
  position: absolute;
  left: 0;
  top: 0;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--grad);
  color: var(--deep);
  font-size: 15px;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  box-shadow: 0 0 0 6px rgba(11, 16, 48, .92), 0 0 26px rgba(41, 227, 214, .34);
}

.page-contact .step__body h3 {
  margin: 6px 0 8px;
  font-size: 19px;
  font-weight: 700;
}

.page-contact .step__body p {
  margin: 0 0 10px;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .step__time {
  display: inline-block;
  margin: 0;
  padding: 5px 14px;
  border: 1px solid rgba(41, 227, 214, .36);
  border-radius: var(--r-pill);
  background: rgba(41, 227, 214, .08);
  color: var(--cyan);
  font-size: 13px;
  line-height: 1.5;
}

/* ---------- 材料清单 ---------- */
.page-contact .mats {
  display: grid;
  gap: 20px;
}

.page-contact .mat {
  padding: 24px 22px;
  border: 1px solid var(--ct-line-soft);
  border-radius: var(--r-md);
  background: rgba(19, 26, 69, .56);
}

.page-contact .mat h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
}

.page-contact .mat p {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--mist);
}

.page-contact .mat ul {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .mat li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--star);
}

.page-contact .mat li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(41, 227, 214, .7);
}

.page-contact .mat:nth-child(2) li::before {
  background: var(--neon-soft);
  box-shadow: 0 0 10px rgba(167, 139, 255, .7);
}

.page-contact .mat:nth-child(3) li::before {
  background: var(--coral);
  box-shadow: 0 0 10px rgba(255, 107, 87, .7);
}

/* ---------- 手风琴 ---------- */
.page-contact .accordion {
  display: grid;
  gap: 12px;
}

/* ---------- 联系信息卡 ---------- */
.page-contact .contact-side {
  min-width: 0;
  scroll-margin-top: 118px;
}

.page-contact .contact-card {
  padding: 26px 24px 24px;
  border: 1px solid rgba(123, 77, 255, .48);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(42, 35, 82, .96), rgba(11, 16, 48, .97));
  box-shadow: var(--shadow-card);
}

.page-contact .contact-card__status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ct-line);
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: .02em;
}

.page-contact .contact-card h2 {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 900;
}

.page-contact .contact-row {
  margin-top: 16px;
}

.page-contact .contact-row__label {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-contact .contact-row__value {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--star);
}

.page-contact .contact-copy {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  margin: 0;
  padding: 12px 16px;
  border: 1px solid var(--ct-line);
  border-radius: var(--r-sm);
  background: rgba(11, 16, 48, .74);
  color: var(--star);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: border-color .16s var(--ease), box-shadow .16s var(--ease), color .16s var(--ease);
}

.page-contact .contact-copy .copy-btn__text {
  min-width: 0;
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-copy .copy-btn__hint {
  flex: none;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  background: rgba(41, 227, 214, .14);
  color: var(--cyan);
  font-size: 12px;
}

.page-contact .contact-copy:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px rgba(41, 227, 214, .35), 0 0 22px rgba(41, 227, 214, .18);
}

.page-contact .contact-copy[data-copied] {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-contact .contact-copy[data-copied] .copy-btn__hint {
  background: var(--cyan);
  color: var(--deep);
}

.page-contact .contact-card__note {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--neon);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(123, 77, 255, .12);
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .contact-card__visit {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--ct-line);
}

.page-contact .contact-card__visit h3 {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--star);
}

.page-contact .contact-card__visit address {
  margin: 0;
  font-style: normal;
  font-size: 14px;
  line-height: 1.78;
  color: var(--star);
}

.page-contact .contact-card__visit p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .contact-card__icp {
  margin: 18px 0 0;
  font-size: 12.5px;
  color: var(--mist);
  letter-spacing: .02em;
}

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

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

@media (min-width: 1040px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1fr) var(--ct-side);
    gap: 46px;
  }

  .page-contact .contact-side {
    position: sticky;
    top: 104px;
  }

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

@media (max-width: 560px) {
  .page-contact {
    padding-bottom: 72px;
  }

  .page-contact .contact-block__head {
    flex-direction: column;
    gap: 8px;
  }

  .page-contact .contact-block__num {
    font-size: 34px;
  }

  .page-contact .step {
    padding-left: 52px;
  }

  .page-contact .step__index {
    width: 38px;
    height: 38px;
    font-size: 13px;
    box-shadow: 0 0 0 5px rgba(11, 16, 48, .92), 0 0 20px rgba(41, 227, 214, .3);
  }

  .page-contact .step::before {
    left: 18px;
    top: 42px;
  }

  .page-contact .contact-card {
    padding: 22px 18px;
  }

  .page-contact .contact-copy {
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-aurora i {
    animation: none;
  }

  .page-contact .section-nav__track a,
  .page-contact .contact-copy {
    transition: none;
  }
}