.page-contact {
  --contact-radius: 22px;
  --contact-glow: rgba(54, 241, 227, .18);
  position: relative;
  color: var(--paper-white);
  background:
    radial-gradient(120% 60% at 88% 0%, rgba(141, 107, 255, .22), transparent 62%),
    radial-gradient(90% 50% at -10% 34%, rgba(54, 241, 227, .10), transparent 66%);
}

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

.page-contact .contact-hero {
  padding-block: clamp(20px, 4vw, 40px) clamp(44px, 7vw, 88px);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: center;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 9vw, 78px);
  line-height: 1.02;
  letter-spacing: -.035em;
}

.page-contact .contact-hero__accent {
  color: var(--cyan);
  background: linear-gradient(100deg, var(--cyan), var(--violet) 78%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-contact .contact-hero__copy .lead {
  margin-top: 18px;
  max-width: 34em;
  color: var(--text-soft);
  line-height: 1.8;
}

.page-contact .contact-hero__actions {
  margin-top: clamp(22px, 3vw, 30px);
}

.page-contact .contact-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(92px, 1fr));
  gap: 14px;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-hero__facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--text-mute);
}

.page-contact .contact-hero__facts dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(19px, 3vw, 24px);
  font-weight: 700;
  color: var(--cyan);
}

.page-contact .contact-hero__visual {
  position: relative;
  margin: 0;
  border-radius: var(--contact-radius);
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(141, 107, 255, .30), rgba(11, 27, 46, .94) 58%);
  box-shadow: 0 26px 70px rgba(2, 7, 14, .6), inset 0 1px 0 rgba(234, 247, 255, .12);
  padding: 10px;
  transform: rotate(-1.4deg);
}

.page-contact .contact-hero__visual .media__img {
  width: 100%;
  border-radius: calc(var(--contact-radius) - 8px);
  object-fit: cover;
}

.page-contact .contact-hero__visual .media__caption {
  padding: 12px 6px 6px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-mute);
}

.page-contact .contact-sec-head {
  max-width: 680px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-contact .contact-sec-head .h-sec {
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: var(--step-2);
  letter-spacing: -.02em;
  line-height: 1.18;
}

.page-contact .contact-sec-head__text {
  margin-top: 14px;
  color: var(--text-soft);
  font-size: var(--step-1);
  line-height: 1.75;
}

/* 四步流程 */
.page-contact .contact-steps__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-contact .contact-steps__list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .contact-steps__list::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(54, 241, 227, .22) 55%, transparent);
}

.page-contact .contact-step {
  position: relative;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 18px;
  padding-bottom: clamp(24px, 4vw, 36px);
}

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

.page-contact .contact-step__num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--text-mute);
}

.page-contact .contact-step.is-current .contact-step__num {
  border-color: var(--cyan);
  background: var(--cyan);
  color: var(--ink);
  font-weight: 700;
  box-shadow: 0 0 0 6px rgba(54, 241, 227, .13), 0 0 30px rgba(54, 241, 227, .42);
}

.page-contact .contact-step__title {
  margin: 6px 0 10px;
  font-family: var(--font-display);
  font-size: var(--step-1);
  letter-spacing: -.01em;
  color: var(--paper-white);
}

.page-contact .contact-step__body p {
  margin: 0;
  color: var(--text-soft);
  font-size: var(--step-0);
  line-height: 1.8;
}

.page-contact .contact-step__hint {
  margin-top: 10px !important;
  font-family: var(--font-mono);
  font-size: 12.5px !important;
  color: var(--mist) !important;
}

.page-contact .contact-pass {
  position: relative;
  padding: clamp(22px, 3vw, 30px);
  border-radius: var(--contact-radius);
  border: 1px solid rgba(201, 166, 107, .42);
  background: linear-gradient(160deg, rgba(141, 107, 255, .30), rgba(11, 27, 46, .95) 56%);
  box-shadow: 0 24px 60px rgba(2, 7, 14, .58), inset 0 1px 0 rgba(234, 247, 255, .14);
}

.page-contact .contact-pass__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-contact .contact-pass__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-pass__list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-size: var(--step-0);
  color: var(--paper-white);
  line-height: 1.6;
}

.page-contact .contact-pass__list span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--coral);
}

.page-contact .contact-pass__foot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-mute);
}

.page-contact .contact-pass__link {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

/* 合作方向矩阵 */
.page-contact .contact-dirs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .contact-dir {
  position: relative;
  padding: 22px 20px 18px;
  border-radius: var(--contact-radius);
  border: 1px solid var(--line);
  background: linear-gradient(168deg, rgba(11, 27, 46, .96), rgba(6, 17, 31, .99));
  overflow: hidden;
  transition: border-color .25s ease, transform .25s ease;
}

.page-contact .contact-dir::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 84px;
  height: 84px;
  background: linear-gradient(225deg, rgba(141, 107, 255, .55), rgba(141, 107, 255, 0) 64%);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  opacity: .8;
  pointer-events: none;
}

.page-contact .contact-dir:nth-child(1)::before { background: linear-gradient(225deg, rgba(255, 122, 89, .6), rgba(255, 122, 89, 0) 64%); }
.page-contact .contact-dir:nth-child(2)::before { background: linear-gradient(225deg, rgba(54, 241, 227, .55), rgba(54, 241, 227, 0) 64%); }
.page-contact .contact-dir:nth-child(4)::before { background: linear-gradient(225deg, rgba(201, 166, 107, .6), rgba(201, 166, 107, 0) 64%); }
.page-contact .contact-dir:nth-child(5)::before { background: linear-gradient(225deg, rgba(138, 163, 184, .5), rgba(138, 163, 184, 0) 64%); }

.page-contact .contact-dir:hover,
.page-contact .contact-dir:focus-within {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.page-contact .contact-dir__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-contact .contact-dir__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-mute);
}

.page-contact .contact-dir__title {
  margin: 16px 0 10px;
  font-family: var(--font-display);
  font-size: var(--step-1);
  letter-spacing: -.01em;
  color: var(--paper-white);
}

.page-contact .contact-dir__text {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.78;
  color: var(--text-soft);
}

.page-contact .contact-dir details {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-dir summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--cyan);
}

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

.page-contact .contact-dir summary::before {
  content: "+ ";
  color: var(--coral);
}

.page-contact .contact-dir details[open] summary::before {
  content: "− ";
}

.page-contact .contact-dir details p {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-mute);
}

/* 联系卡 */
.page-contact .contact-reach__card {
  display: grid;
  grid-template-columns: 1fr;
  padding: 0;
  overflow: hidden;
  border-radius: var(--contact-radius);
  border: 1px solid rgba(201, 166, 107, .38);
  background: var(--paper);
  color: var(--deep);
  box-shadow: 0 30px 80px rgba(2, 7, 14, .55);
}

.page-contact .contact-reach__body {
  padding: clamp(24px, 4vw, 46px);
}

.page-contact .contact-reach__body .eyebrow {
  color: rgba(17, 24, 32, .58);
}

.page-contact .contact-reach__body .h-sec {
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: var(--step-2);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--deep);
}

.page-contact .contact-reach__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .contact-reach__item {
  display: grid;
  gap: 5px;
  padding-bottom: 14px;
  border-bottom: 1px dashed rgba(17, 24, 32, .24);
}

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

.page-contact .contact-reach__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: rgba(17, 24, 32, .6);
}

.page-contact .contact-reach__value {
  font-size: clamp(17px, 2.4vw, 21px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--deep);
  word-break: break-word;
}

.page-contact .contact-reach__note {
  font-size: 13px;
  line-height: 1.65;
  color: rgba(17, 24, 32, .68);
}

.page-contact .contact-reach__tip {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--coral);
  background: rgba(255, 122, 89, .12);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(17, 24, 32, .82);
}

.page-contact .contact-reach__media {
  position: relative;
  min-height: 220px;
  background: linear-gradient(150deg, rgba(141, 107, 255, .4), rgba(6, 17, 31, .95));
}

.page-contact .contact-reach__media img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
}

/* 旧版资料 */
.page-contact .contact-archive__inner {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-contact .contact-archive__index .h-sec {
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: var(--step-2);
  line-height: 1.18;
  letter-spacing: -.02em;
}

.page-contact .contact-archive__index p {
  margin: 14px 0 0;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .contact-archive__link {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

.page-contact .contact-fold {
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(11, 27, 46, .72);
  overflow: hidden;
}

.page-contact .contact-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: var(--step-0);
  color: var(--paper-white);
}

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

.page-contact .contact-fold summary::after {
  content: "展开";
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-contact .contact-fold[open] summary::after {
  content: "收起";
  color: var(--coral);
}

.page-contact .contact-fold__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-fold__body p {
  margin: 14px 0 0;
  font-size: 13.8px;
  line-height: 1.85;
  color: var(--text-soft);
}

/* 回复与接待 */
.page-contact .contact-tips {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .contact-tip {
  padding: 22px 20px;
  border-radius: var(--contact-radius);
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(11, 27, 46, .9), rgba(6, 17, 31, .96));
}

.page-contact .contact-tip__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--coral);
  letter-spacing: -.02em;
}

.page-contact .contact-tip__title {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-size: var(--step-1);
  letter-spacing: -.01em;
  color: var(--paper-white);
}

.page-contact .contact-tip__text {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--text-soft);
}

/* 收尾 */
.page-contact .contact-next {
  padding-block: clamp(36px, 6vw, 72px) clamp(46px, 7vw, 88px);
}

.page-contact .contact-next__inner {
  display: grid;
  gap: 22px;
  padding: clamp(24px, 4vw, 38px);
  border-radius: var(--contact-radius);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 90% 0%, rgba(54, 241, 227, .14), transparent 60%),
    linear-gradient(160deg, rgba(141, 107, 255, .18), rgba(6, 17, 31, .96) 62%);
}

.page-contact .contact-next__inner .h-sec {
  font-family: var(--font-display);
  font-size: var(--step-2);
  letter-spacing: -.02em;
}

.page-contact .contact-next__text {
  margin: 12px 0 0;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 46em;
}

.page-contact .contact-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

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

  .page-contact .contact-next__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

  .page-contact .contact-hero__visual {
    transform: rotate(-2deg) translateY(-14px);
  }

  .page-contact .contact-steps__grid {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 340px);
    align-items: start;
  }

  .page-contact .contact-pass {
    position: sticky;
    top: 96px;
  }

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

  .page-contact .contact-dir:nth-child(even) {
    transform: translateY(28px);
  }

  .page-contact .contact-dir:nth-child(even):hover,
  .page-contact .contact-dir:nth-child(even):focus-within {
    transform: translateY(24px);
  }

  .page-contact .contact-reach__card {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }

  .page-contact .contact-reach__media img {
    min-height: 100%;
  }

  .page-contact .contact-archive__inner {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-archive__index {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1240px) {
  .page-contact .contact-dirs {
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-hero__visual,
  .page-contact .contact-dir,
  .page-contact .contact-dir:nth-child(even) {
    transform: none !important;
  }

  .page-contact .contact-dir {
    transition: none;
  }
}