.page-contact {
  --pc-line: rgba(30, 58, 99, .9);
  --pc-card: var(--c-harbor);
  --pc-mono: var(--font-mono);
  --pc-toc-top: 62px;
  display: block;
  background: var(--c-sea);
  overflow-x: clip;
}

/* ================= 首屏 ================= */
.page-contact .pc-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(52px, 9vw, 116px) 0 clamp(58px, 8vw, 104px);
  background: var(--c-deepest);
  clip-path: polygon(0 0, 100% 0, 100% 93%, 0 100%);
}

.page-contact .pc-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  margin: 0;
  aspect-ratio: auto;
  border: 0;
  border-radius: 0;
  overflow: hidden;
}

.page-contact .pc-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% 50%;
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(100deg,
      rgba(6, 19, 42, .97) 24%,
      rgba(11, 30, 58, .84) 56%,
      rgba(11, 30, 58, .46) 100%);
}

.page-contact .pc-hero__inner {
  position: relative;
  max-width: 800px;
}

.page-contact .pc-hero__eyebrow {
  color: var(--c-gold);
}

.page-contact .pc-hero h1 {
  margin: 16px 0 0;
  font-size: clamp(32px, 6vw, 64px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.012em;
  color: var(--c-light);
}

.page-contact .pc-hero__lede {
  margin: 22px 0 0;
  max-width: 660px;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: var(--c-mist);
}

.page-contact .pc-hero__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-hero__pills li {
  padding: 8px 18px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(245, 194, 107, .42);
  background: rgba(245, 194, 107, .09);
  color: var(--c-gold);
  font-size: 13px;
  line-height: 1.5;
}

/* ================= 索引条 ================= */
.page-contact .pc-toc {
  position: sticky;
  top: var(--pc-toc-top);
  z-index: 20;
  background: rgba(6, 19, 42, .94);
  border-top: 1px solid var(--pc-line);
  border-bottom: 1px solid var(--pc-line);
  backdrop-filter: blur(10px);
}

.page-contact .pc-toc__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.page-contact .pc-toc__label {
  flex: none;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--c-mist);
}

.page-contact .pc-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 2px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-contact .pc-toc__list::-webkit-scrollbar {
  display: none;
}

.page-contact .pc-toc__list a {
  display: inline-block;
  white-space: nowrap;
  padding: 7px 15px;
  border-radius: var(--r-pill);
  border: 1px solid var(--c-tide);
  color: var(--c-mist);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              background var(--t-fast) var(--ease);
}

.page-contact .pc-toc__list a:hover,
.page-contact .pc-toc__list a.is-active {
  color: var(--c-coral);
  border-color: rgba(255, 107, 74, .6);
  background: rgba(255, 107, 74, .1);
}

/* ================= 通用标题块 ================= */
.page-contact .pc-blockhead {
  max-width: 680px;
}

.page-contact .pc-h2 {
  margin: 14px 0 0;
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--c-light);
}

.page-contact .pc-lede {
  margin: 16px 0 0;
  max-width: 620px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-mist);
}

/* ================= 两步路径 ================= */
.page-contact .pc-steps .shell {
  position: relative;
}

.page-contact .pc-steps__list {
  display: grid;
  gap: 18px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-steps__item {
  position: relative;
  padding: 28px 26px 28px 30px;
  border-radius: var(--r-lg);
  background: var(--pc-card);
  border: 1px solid var(--c-tide);
  overflow: hidden;
}

.page-contact .pc-steps__item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  bottom: 26px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--c-coral), var(--c-gold));
}

.page-contact .pc-steps__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: var(--r-sm);
  background: rgba(255, 107, 74, .13);
  border: 1px solid rgba(255, 107, 74, .45);
  color: var(--c-coral);
  font-family: var(--pc-mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-contact .pc-steps__title {
  margin: 18px 0 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-light);
}

.page-contact .pc-steps__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mist);
}

/* ================= 提交准备 + 联系渠道 ================= */
.page-contact .pc-submit__grid {
  display: grid;
  gap: 40px;
}

.page-contact .pc-fields {
  display: grid;
  gap: 14px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-field {
  position: relative;
  padding: 24px 24px 24px 26px;
  border-radius: var(--r-md);
  background: linear-gradient(140deg, var(--c-harbor) 0%, rgba(18, 41, 74, .58) 100%);
  border: 1px solid var(--c-tide);
}

.page-contact .pc-field__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-right: 70px;
}

.page-contact .pc-field__num {
  flex: none;
  font-family: var(--pc-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--c-gold);
}

.page-contact .pc-field__name {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-light);
}

.page-contact .pc-field__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-contact .pc-field__req {
  position: absolute;
  top: 22px;
  right: 22px;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--c-coral);
  background: rgba(255, 107, 74, .12);
  border: 1px solid rgba(255, 107, 74, .4);
}

.page-contact .pc-field__req--opt {
  color: var(--c-jade);
  background: rgba(46, 196, 182, .12);
  border-color: rgba(46, 196, 182, .42);
}

/* ---- 侧栏 ---- */
.page-contact .pc-aside {
  display: grid;
  gap: 18px;
}

.page-contact .pc-aside__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .pc-pill {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border-radius: var(--r-pill);
  font-size: 13px;
  line-height: 1.4;
}

.page-contact .pc-pill--coral {
  color: var(--c-coral);
  background: rgba(255, 107, 74, .1);
  border: 1px solid rgba(255, 107, 74, .42);
}

.page-contact .pc-pill--jade {
  color: var(--c-jade);
  background: rgba(46, 196, 182, .1);
  border: 1px solid rgba(46, 196, 182, .42);
}

.page-contact .pc-aside__title {
  margin: 4px 0 0;
  font-size: clamp(20px, 2.4vw, 26px);
}

.page-contact .pc-channels {
  display: grid;
  gap: 14px;
  margin: 0;
}

.page-contact .pc-channel {
  position: relative;
  padding: 22px 22px 22px 24px;
  border-radius: var(--r-md);
  background: var(--c-deepest);
  border: 1px solid var(--c-tide);
  border-left: 3px solid var(--c-tide);
  transition: border-color var(--t-fast) var(--ease);
}

.page-contact .pc-channel:hover {
  border-left-color: var(--c-coral);
}

.page-contact .pc-channel__tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--r-pill);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-mist);
  border: 1px solid var(--c-tide);
}

.page-contact .pc-channel__name {
  margin: 12px 0 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-light);
}

.page-contact .pc-channel__value {
  margin: 8px 0 0;
  font-family: var(--pc-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-gold);
  word-break: break-all;
}

.page-contact .pc-channel__value--long {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--c-light);
  word-break: break-word;
}

.page-contact .pc-channel__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-mist);
}

.page-contact .pc-aside__media {
  margin: 4px 0 0;
  aspect-ratio: 5 / 3;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--c-tide);
}

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

/* ================= 问题分类 ================= */
.page-contact .pc-cats__list {
  display: grid;
  gap: 14px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-cat {
  display: flex;
  flex-direction: column;
  padding: 26px 24px 22px;
  border-radius: var(--r-md);
  background: rgba(6, 19, 42, .46);
  border: 1px solid var(--c-tide);
  transition: border-color var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}

.page-contact .pc-cat:hover {
  border-color: rgba(46, 196, 182, .5);
  transform: translateY(-2px);
}

.page-contact .pc-cat__num {
  font-family: var(--pc-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-gold);
}

.page-contact .pc-cat__name {
  margin: 12px 0 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-light);
}

.page-contact .pc-cat__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-contact .pc-cat__hint {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--c-tide);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(147, 167, 196, .92);
}

/* ================= 邮件分流 ================= */
.page-contact .pc-mail__inner {
  display: grid;
  gap: 30px;
  padding: clamp(26px, 4vw, 46px);
  border-radius: var(--r-lg);
  background: linear-gradient(122deg,
    rgba(46, 196, 182, .1) 0%,
    rgba(18, 41, 74, .94) 46%,
    var(--c-harbor) 100%);
  border: 1px solid rgba(46, 196, 182, .34);
}

.page-contact .pc-mail__box {
  display: grid;
  gap: 12px;
}

.page-contact .pc-mail__rule {
  padding: 16px 20px;
  border-radius: var(--r-md);
  background: rgba(6, 19, 42, .55);
  border: 1px solid var(--c-tide);
}

.page-contact .pc-mail__key {
  display: block;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--c-mist);
}

.page-contact .pc-mail__val {
  margin: 8px 0 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--c-jade);
}

.page-contact .pc-mail__note {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-contact .pc-mail__addr {
  font-family: var(--pc-mono);
  color: var(--c-gold);
  word-break: break-all;
}

/* ================= 处理流程 ================= */
.page-contact .pc-flow__list {
  display: grid;
  gap: 16px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-flow__step {
  position: relative;
  padding: 24px 20px 22px;
  border-radius: var(--r-md);
  background: var(--c-harbor);
  border: 1px solid var(--c-tide);
}

.page-contact .pc-flow__step::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  width: 34px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--c-coral);
}

.page-contact .pc-flow__step::after {
  display: none;
}

.page-contact .pc-flow__num {
  font-family: var(--pc-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-gold);
}

.page-contact .pc-flow__name {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--c-light);
}

.page-contact .pc-flow__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mist);
}

/* ================= 自助入口 ================= */
.page-contact .pc-self__grid {
  display: grid;
  gap: 14px;
  margin: 32px 0 0;
}

.page-contact .pc-self__card {
  display: flex;
  flex-direction: column;
  padding: 24px 22px;
  border-radius: var(--r-md);
  background: rgba(6, 19, 42, .5);
  border: 1px solid rgba(46, 196, 182, .28);
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease),
              background var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}

.page-contact .pc-self__card:hover {
  border-color: var(--c-jade);
  background: rgba(46, 196, 182, .08);
  transform: translateY(-3px);
}

.page-contact .pc-self__card:focus-visible {
  outline: 2px solid var(--c-coral);
  outline-offset: 3px;
}

.page-contact .pc-self__tag {
  display: inline-block;
  align-self: flex-start;
  padding: 3px 12px;
  border-radius: var(--r-pill);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-jade);
  border: 1px solid rgba(46, 196, 182, .42);
}

.page-contact .pc-self__name {
  margin: 14px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-light);
}

.page-contact .pc-self__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-contact .pc-self__go {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--c-tide);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-coral);
}

/* ================= 断点 ================= */
@media (min-width: 700px) {
  .page-contact .pc-self__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .pc-steps__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

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

@media (min-width: 900px) {
  .page-contact .pc-mail__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 46px;
    align-items: center;
  }

  .page-contact .pc-flow__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
  }

  .page-contact .pc-flow__step::after {
    display: block;
    position: absolute;
    top: 44px;
    right: -12px;
    width: 12px;
    border-top: 2px dashed var(--c-tide);
  }

  .page-contact .pc-flow__step:last-child::after {
    display: none;
  }
}

@media (min-width: 980px) {
  .page-contact .pc-submit__grid {
    grid-template-columns: minmax(0, 1.16fr) minmax(0, .84fr);
    gap: 52px;
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-contact .pc-cats__list {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-contact .pc-cat {
    grid-column: span 3;
  }

  .page-contact .pc-cat:nth-child(3),
  .page-contact .pc-cat:nth-child(4),
  .page-contact .pc-cat:nth-child(5) {
    grid-column: span 2;
  }

  .page-contact .pc-self__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .page-contact .pc-hero {
    clip-path: polygon(0 0, 100% 0, 100% 96%, 0 100%);
  }

  .page-contact .pc-field {
    padding-right: 22px;
  }

  .page-contact .pc-field__head {
    padding-right: 0;
  }

  .page-contact .pc-field__req {
    position: static;
    display: inline-block;
    margin-bottom: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-cat,
  .page-contact .pc-self__card,
  .page-contact .pc-toc__list a {
    transition: none;
  }

  .page-contact .pc-cat:hover,
  .page-contact .pc-self__card:hover {
    transform: none;
  }
}