.page-contact {
  --pc-tone: var(--orange);
  --accent: var(--orange);
  --ghost: var(--mist);
  position: relative;
  background: var(--navy-800);
  color: var(--mist);
  overflow-x: hidden;
}

.page-contact .pc-directions,
.page-contact .pc-reach,
.page-contact .pc-faq-block {
  scroll-margin-top: 112px;
}

/* ============ 首屏 ============ */

.page-contact .pc-hero {
  position: relative;
  padding: clamp(22px, 3.6vw, 40px) 0 clamp(26px, 4.6vw, 52px);
  background:
    radial-gradient(112% 82% at 6% 0%, rgba(25, 227, 198, .13), transparent 60%),
    radial-gradient(78% 68% at 100% 6%, rgba(255, 106, 19, .16), transparent 62%),
    linear-gradient(165deg, var(--navy-900) 0%, var(--navy-800) 50%, var(--navy-700) 100%);
  overflow: hidden;
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -40%;
  width: 66%;
  height: 96%;
  background: linear-gradient(140deg, rgba(255, 165, 59, .18), rgba(25, 227, 198, .07) 54%, transparent 78%);
  transform: rotate(-12deg);
  pointer-events: none;
}

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

.page-contact .pc-hero__crumb {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-contact .pc-hero__crumb .breadcrumb__link {
  color: var(--stone);
}

.page-contact .pc-hero__crumb .breadcrumb__current {
  color: var(--mist);
}

.page-contact .pc-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 16px;
  padding: 7px 15px 7px 11px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--stone);
  background: rgba(6, 18, 38, .62);
}

.page-contact .pc-hero__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(47, 191, 91, .2);
  flex: none;
}

.page-contact .pc-hero__title {
  margin: 0;
  max-width: 19ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.08;
  letter-spacing: -.015em;
  color: var(--mist);
}

.page-contact .pc-hero__lede {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3.4vw, 32px);
}

.page-contact .pc-hero__visual {
  position: relative;
  z-index: 1;
  max-width: var(--shell);
  margin: clamp(26px, 4.4vw, 46px) auto 0;
  padding: 0 var(--gutter);
}

.page-contact .pc-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  object-fit: cover;
  filter: saturate(.92) contrast(1.06);
}

/* ============ 合作方向 ============ */

.page-contact .pc-directions {
  position: relative;
  padding: clamp(44px, 6.8vw, 82px) 0 clamp(48px, 7.4vw, 90px);
  background: linear-gradient(180deg, var(--navy-800) 0%, var(--navy-900) 100%);
  overflow: hidden;
}

.page-contact .pc-directions::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--amber) 30%, var(--cyan) 66%, var(--gold));
}

.page-contact .pc-directions__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .14;
  pointer-events: none;
}

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

.page-contact .pc-directions__head {
  max-width: 62ch;
}

.page-contact .pc-directions__bar {
  flex-wrap: wrap;
  margin: clamp(22px, 3vw, 30px) 0 clamp(20px, 3vw, 28px);
}

.page-contact .pc-panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .pc-panel {
  position: relative;
  padding: 30px 22px 26px;
  background: linear-gradient(168deg, rgba(30, 78, 133, .58) 0%, rgba(10, 27, 51, .94) 62%);
  clip-path: polygon(0 20px, 20px 0, 100% 0, 100% 100%, 0 100%);
  transition: transform .3s var(--ease), background .3s var(--ease);
}

.page-contact .pc-panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 0;
  width: 3px;
  background: var(--pc-tone);
}

.page-contact .pc-panel:hover {
  transform: translateY(-2px);
  background: linear-gradient(168deg, rgba(30, 78, 133, .82) 0%, rgba(10, 27, 51, .96) 62%);
}

.page-contact .pc-panel--a { --pc-tone: var(--orange); }
.page-contact .pc-panel--b { --pc-tone: var(--cyan); }
.page-contact .pc-panel--c { --pc-tone: var(--gold); }
.page-contact .pc-panel--d { --pc-tone: var(--green); }

.page-contact .pc-panel__index {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--pc-tone);
}

.page-contact .pc-panel__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 23px;
  line-height: 1.25;
  color: var(--mist);
}

.page-contact .pc-panel__body {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone);
}

.page-contact .pc-panel__facts {
  margin: 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 10px;
}

.page-contact .pc-panel__facts li {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--stone-deep);
}

.page-contact .pc-panel__facts b {
  font-weight: 700;
  color: var(--pc-tone);
  letter-spacing: .02em;
}

/* ============ 合作流程 ============ */

.page-contact .pc-flow {
  padding: clamp(44px, 6.8vw, 84px) 0 clamp(40px, 6vw, 74px);
  background: var(--navy-900);
}

.page-contact .pc-flow__head {
  max-width: 62ch;
}

.page-contact .pc-flow__list {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .pc-flow__step {
  position: relative;
  padding: 22px 20px 20px;
  background: rgba(10, 27, 51, .78);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: border-color .3s var(--ease), transform .3s var(--ease), background .3s var(--ease);
}

.page-contact .pc-flow__step:hover,
.page-contact .pc-flow__step:focus {
  outline: none;
  transform: translateY(-2px);
  border-color: rgba(25, 227, 198, .55);
  background: rgba(16, 42, 78, .82);
}

.page-contact .pc-flow__num {
  display: block;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-contact .pc-flow__name {
  margin: 8px 0 4px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  color: var(--mist);
}

.page-contact .pc-flow__time {
  margin: 0;
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  color: var(--amber);
}

.page-contact .pc-flow__more {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  margin-top: 0;
  transition: max-height .4s var(--ease), opacity .3s var(--ease), margin-top .3s var(--ease);
}

.page-contact .pc-flow__step:hover .pc-flow__more,
.page-contact .pc-flow__step:focus .pc-flow__more,
.page-contact .pc-flow__step:focus-within .pc-flow__more {
  max-height: 320px;
  opacity: 1;
  margin-top: 14px;
}

.page-contact .pc-flow__more-title {
  margin: 0 0 8px;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-contact .pc-flow__more ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-contact .pc-flow__more li {
  position: relative;
  padding-left: 15px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--stone);
}

.page-contact .pc-flow__more li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 2px;
  background: var(--orange);
}

.page-contact .pc-flow__foot {
  margin: clamp(24px, 3.6vw, 34px) 0 0;
  padding: 18px 20px;
  border-left: 3px solid var(--orange);
  background: rgba(21, 58, 102, .34);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--stone);
  max-width: 74ch;
}

.page-contact .pc-flow__link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(25, 227, 198, .4);
}

.page-contact .pc-flow__link:hover {
  border-bottom-color: var(--cyan);
}

/* ============ 联系渠道 ============ */

.page-contact .pc-reach {
  position: relative;
  padding: clamp(44px, 6.8vw, 84px) 0;
  background: linear-gradient(118deg, var(--steel) 0%, var(--navy-800) 48%, var(--navy-900) 100%);
  overflow: hidden;
}

.page-contact .pc-reach::after {
  content: "";
  position: absolute;
  left: -12%;
  top: -36%;
  width: 58%;
  height: 130%;
  background: linear-gradient(200deg, rgba(255, 106, 19, .16), transparent 70%);
  transform: rotate(9deg);
  pointer-events: none;
}

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

.page-contact .pc-reach__lead {
  max-width: 60ch;
}

.page-contact .pc-reach__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-contact .pc-reach__note {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .pc-reach__list {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-contact .pc-reach__item {
  padding-left: 18px;
  border-left: 2px solid var(--line-strong);
}

.page-contact .pc-reach__item--mail { border-left-color: var(--orange); }
.page-contact .pc-reach__item--tel { border-left-color: var(--cyan); }
.page-contact .pc-reach__item--addr { border-left-color: var(--gold); }
.page-contact .pc-reach__item--hours { border-left-color: var(--green); }

.page-contact .pc-reach__key {
  display: block;
  margin-bottom: 8px;
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--stone-deep);
}

.page-contact .pc-reach__value {
  display: block;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(21px, 3.6vw, 36px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--mist);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .pc-reach__value--mail { color: var(--amber); }
.page-contact .pc-reach__value--tel { color: var(--cyan); }

.page-contact .pc-reach__value--addr,
.page-contact .pc-reach__value--hours {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(16px, 2.2vw, 22px);
  line-height: 1.55;
  color: var(--mist);
}

.page-contact .pc-reach__hint {
  display: block;
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--stone-deep);
}

/* ============ 对接建议 ============ */

.page-contact .pc-advice {
  padding: clamp(44px, 6.6vw, 80px) 0;
  background: var(--navy-800);
}

.page-contact .pc-advice__inner {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-contact .pc-advice__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.8vw, 36px);
  line-height: 1.16;
  color: var(--mist);
}

.page-contact .pc-advice__text {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--stone);
  max-width: 56ch;
}

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

.page-contact .pc-advice__tip {
  position: relative;
  padding: 18px 18px 18px 22px;
  background: rgba(6, 18, 38, .72);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-contact .pc-advice__tip::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 0 2px 2px 0;
  background: var(--line-strong);
}

.page-contact .pc-advice__tip--hot::before {
  background: var(--orange);
}

.page-contact .pc-advice__tip:hover {
  transform: translateY(-2px);
  border-color: rgba(25, 227, 198, .5);
}

.page-contact .pc-advice__tip b {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15.5px;
  color: var(--mist);
}

.page-contact .pc-advice__tip span {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

/* ============ 常见洽谈问题 ============ */

.page-contact .pc-faq-block {
  padding: clamp(44px, 6.6vw, 84px) 0 clamp(50px, 7vw, 92px);
  background: linear-gradient(180deg, var(--navy-800) 0%, var(--navy-900) 100%);
}

.page-contact .pc-faq-block__head {
  max-width: 56ch;
}

.page-contact .pc-faq-list {
  margin-top: clamp(24px, 3.6vw, 36px);
  display: grid;
  gap: 12px;
  max-width: 940px;
}

.page-contact .pc-faq {
  background: rgba(6, 18, 38, .68);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 0 20px;
  transition: border-color .3s var(--ease);
}

.page-contact .pc-faq:hover {
  border-color: rgba(25, 227, 198, .45);
}

.page-contact .pc-faq > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 19px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16.5px;
  line-height: 1.45;
  color: var(--mist);
}

.page-contact .pc-faq > summary::-webkit-details-marker {
  display: none;
}

.page-contact .pc-faq > summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 700;
  color: var(--orange);
  transition: transform .3s var(--ease);
}

.page-contact .pc-faq[open] > summary::after {
  transform: rotate(45deg);
}

.page-contact .pc-faq__body {
  padding: 0 0 20px;
  border-top: 1px dashed var(--line);
  margin-top: -1px;
  padding-top: 16px;
}

.page-contact .pc-faq__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
  max-width: 72ch;
}

.page-contact .pc-faq__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(25, 227, 198, .4);
}

.page-contact .pc-faq__body a:hover {
  border-bottom-color: var(--cyan);
}

/* ============ 响应式 ============ */

@media (min-width: 640px) {
  .page-contact .pc-panel {
    padding: 32px 26px 28px;
  }

  .page-contact .pc-flow__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .pc-reach__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 40px;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .pc-advice__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
    gap: clamp(32px, 5vw, 64px);
  }

  .page-contact .pc-advice__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 1080px) {
  .page-contact .pc-flow__list {
    position: relative;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    padding-top: 4px;
  }

  .page-contact .pc-flow__list::before {
    content: "";
    position: absolute;
    left: 5%;
    right: 5%;
    top: 26px;
    height: 2px;
    background: linear-gradient(90deg, var(--orange), var(--amber) 34%, var(--cyan) 70%, var(--gold));
    opacity: .5;
    pointer-events: none;
  }

  .page-contact .pc-flow__step {
    padding: 54px 20px 22px;
  }

  .page-contact .pc-flow__step::before {
    content: "";
    position: absolute;
    top: 19px;
    left: 22px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--navy-900);
    border: 3px solid var(--orange);
    box-shadow: 0 0 0 4px rgba(255, 106, 19, .14);
    transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
  }

  .page-contact .pc-flow__step:hover::before,
  .page-contact .pc-flow__step:focus::before {
    border-color: var(--cyan);
    box-shadow: 0 0 0 5px rgba(25, 227, 198, .18);
  }
}

@media (hover: none) {
  .page-contact .pc-flow__more {
    max-height: 320px;
    opacity: 1;
    margin-top: 14px;
  }
}